/* ============================================
   BIOKOHLE LADBERGEN — MAIN STYLESHEET
   Industrial Nature Theme — Full Redesign 2026-03-19
   Design: ARTD | CSS: LILY
   Layer order: reset → tokens → base → layout → nav → components → utilities
   ============================================ */

@layer reset, tokens, base, layout, nav, components, utilities;

/* ============================================
   LAYER: RESET
   ============================================ */
@layer reset {
    *, *::before, *::after {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }

    img, picture, video, canvas, svg {
        display: block;
        max-width: 100%;
    }

    img {
        height: auto;
    }

    input, button, textarea, select {
        font: inherit;
    }

    p, h1, h2, h3, h4, h5, h6 {
        overflow-wrap: break-word;
    }

    ul, ol {
        list-style: none;
    }

    a {
        color: inherit;
        text-decoration: none;
    }

    @media (prefers-reduced-motion: reduce) {
        *, *::before, *::after {
            animation-duration: 0.01ms !important;
            animation-iteration-count: 1 !important;
            transition-duration: 0.01ms !important;
        }

        html {
            scroll-behavior: auto;
        }
    }
}

/* ============================================
   LAYER: TOKENS
   All custom properties — logo-extracted colors 2026-03-19
   ============================================ */
@layer tokens {
    :root {
        /* --- Brand colors (exact from logo scan) --- */
        --bk-green-dark:  #3A8037;      /* Waldgrün — left leaf */
        --bk-green-light: #A1B347;      /* Olivgrün — right leaf */
        --bk-brown:       #584F48;      /* Logo brown — headlines, buttons */
        --bk-brown-dark:  #3D3530;      /* Dark brown — footer, process section */
        --bk-white:       #FFFFFF;
        --bk-warm-gray:   #F5F2ED;      /* Warm section background */
        --bk-cream:       #F0EDE6;      /* Second warm background */
        --bk-text:        #2A2522;      /* Body text */
        --bk-text-muted:  #6B5F58;
        --bk-text-light:  rgba(255, 255, 255, 0.85);
        --bk-text-faint:  rgba(255, 255, 255, 0.72);
        --bk-text-placeholder: #8A7E77;  /* Form-Field Placeholder */

        /* --- Green tints for interactive states --- */
        --bk-green-dark-hover: #2e6629;
        --bk-green-dark-bg:    rgba(58, 128, 55, 0.08);
        --bk-green-light-bg:   rgba(161, 179, 71, 0.12);

        /* --- Semantic: danger / negative --- */
        --bk-red-danger: #C62828;

        /* --- Footer link hover (WCAG AA on #3D3530) --- */
        --bk-footer-link-hover: #A1B347;

        /* --- Typography sizes (fluid) --- */
        --type-display: clamp(2.75rem, 7vw, 5.5rem);
        --type-h2:      clamp(1.875rem, 4.5vw, 3.25rem);
        --type-h3:      clamp(1.25rem, 2.2vw, 1.625rem);
        --type-body:    clamp(1rem, 1.2vw, 1.125rem);
        --type-eyebrow: 0.75rem;
        --type-small:   0.9375rem;
        --type-counter: clamp(2.5rem, 6vw, 4.5rem);

        /* --- Typography line heights --- */
        --lh-display: 1.05;
        --lh-h2:      1.2;
        --lh-h3:      1.3;
        --lh-body:    1.75;
        --lh-counter: 1;

        /* --- Font families --- */
        --font-primary: 'Space Grotesk', 'Helvetica Neue', Helvetica, sans-serif;
        --font-accent: 'Kaushan Script', cursive;

        /* --- Spacing --- */
        --space-section: clamp(6rem, 12vw, 10rem);
        --space-inner:   clamp(1.75rem, 3.5vw, 2.75rem);
        --container-pad: clamp(1.25rem, 5vw, 4rem);
        --container-max: clamp(980px, 85vw, 1280px);

        /* --- Radii --- */
        --radius-none: 0;
        --radius-sm:   6px;
        --radius-md:   12px;
        --radius-lg:   20px;
        --radius-full: 9999px;

        /* --- Nav heights --- */
        --nav-height:          120px;
        --nav-height-scrolled: 56px;

        /* --- Shadows --- */
        --shadow-card: 0 2px 16px rgba(42, 37, 34, 0.08), 0 1px 4px rgba(42, 37, 34, 0.05);
        --shadow-card-hover: 0 8px 32px rgba(42, 37, 34, 0.14), 0 2px 8px rgba(42, 37, 34, 0.07);

        /* --- Easing --- */
        --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
        --ease-in-out:   cubic-bezier(0.4, 0, 0.2, 1);

        /* --- Motion tokens --- */
        --motion-reveal-duration: 0.72;
        --motion-reveal-stagger: 0.12;
        --motion-word-stagger: 0.018;
        --motion-counter-duration: 1.6;
        --motion-cycle-geologic-duration: 180;
        --motion-cycle-vtc-duration: 18;
    }
}

/* ============================================
   LAYER: BASE
   ============================================ */
@layer base {

    /* Skip link — accessibility */
    .skip-link {
        position: absolute;
        top: -100%;
        left: 50%;
        transform: translateX(-50%);
        padding: 0.5rem 1.5rem;
        background: var(--bk-green-dark);
        color: var(--bk-white);
        z-index: 10000;
        text-decoration: none;
        font-family: var(--font-primary);
        font-size: var(--type-small);
        border-radius: var(--radius-sm);
        transition: top 0.2s ease;
    }

    .skip-link:focus {
        top: 0.5rem;
        outline: 3px solid var(--bk-white);
        outline-offset: 2px;
    }

    /* Screen-reader only utility */
    .sr-only {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }

    body {
        font-family: var(--font-primary);
        font-size: var(--type-body);
        line-height: var(--lh-body);
        color: var(--bk-text);
        background-color: var(--bk-white);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    h1, h2, h3, h4 {
        font-family: var(--font-primary);
        font-weight: 500;
        color: var(--bk-brown);
    }

    h1 {
        font-size: var(--type-display);
        line-height: var(--lh-display);
    }

    h2 {
        font-size: var(--type-h2);
        line-height: var(--lh-h2);
    }

    h3 {
        font-size: var(--type-h3);
        line-height: var(--lh-h3);
    }

    p {
        font-size: var(--type-body);
        line-height: var(--lh-body);
        color: var(--bk-text);
        max-width: 68ch;
    }

    a:focus-visible {
        outline: 3px solid var(--bk-green-dark);
        outline-offset: 3px;
        border-radius: 2px;
    }

    picture {
        display: block;
    }

    picture img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }
}

/* ============================================
   LAYER: LAYOUT
   ============================================ */
@layer layout {

    .container {
        max-width: var(--container-max);
        margin-inline: auto;
        padding-inline: var(--container-pad);
    }

    main {
        padding-top: var(--nav-height);
    }
}

/* ============================================
   LAYER: NAV
   (populated by css/menu.css)
   ============================================ */
@layer nav {}

/* ============================================
   LAYER: COMPONENTS
   ============================================ */
@layer components {

    /* ------------------------------------------
       BUTTONS
       ------------------------------------------ */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-family: var(--font-primary);
        font-size: var(--type-body);
        font-weight: 500;
        line-height: 1;
        text-decoration: none;
        white-space: nowrap;
        cursor: pointer;
        border: 2px solid transparent;
        min-height: 48px;
        padding: 0.875rem 2rem;
        border-radius: var(--radius-full);
        transition:
            background-color 0.22s var(--ease-out-expo),
            color 0.22s ease,
            border-color 0.22s ease,
            transform 0.15s ease;
    }

    .btn:focus-visible {
        outline: 3px solid var(--bk-green-dark);
        outline-offset: 3px;
    }

    .btn:active {
        transform: scale(0.97);
    }

    /* Primary — green */
    .btn--primary {
        background-color: var(--bk-green-dark);
        color: var(--bk-white);
        border-color: var(--bk-green-dark);
    }

    .btn--primary:hover {
        background-color: var(--bk-green-dark-hover);
        border-color: var(--bk-green-dark-hover);
    }

    /* Outline dark — on light backgrounds */
    .btn--outline {
        background-color: transparent;
        color: var(--bk-brown);
        border-color: var(--bk-brown);
    }

    .btn--outline:hover {
        background-color: var(--bk-brown);
        color: var(--bk-white);
    }

    /* Outline white — on dark/image backgrounds */
    .btn--outline-white {
        background-color: transparent;
        color: var(--bk-white);
        border-color: rgba(255, 255, 255, 0.7);
    }

    .btn--outline-white:hover {
        background-color: var(--bk-white);
        color: var(--bk-brown);
        border-color: var(--bk-white);
    }

    /* ------------------------------------------
       EYEBROW LABEL
       ------------------------------------------ */
    .eyebrow {
        display: inline-block;
        font-family: var(--font-primary);
        font-size: var(--type-eyebrow);
        font-weight: 500;
        letter-spacing: 0.12em;
        text-transform: uppercase;
        color: var(--bk-green-dark);
        line-height: 1;
        margin-bottom: 1rem;
    }

    .eyebrow--light {
        color: var(--bk-green-dark);
    }

    .eyebrow--olive {
        color: var(--bk-green-dark);
    }

    /* ------------------------------------------
       DECORATIVE LEAF (SVG background element)
       Positioned inside sections with position: relative
       ------------------------------------------ */
    .leaf-deco {
        position: absolute;
        pointer-events: none;
        user-select: none;
        z-index: 0;
    }

    .leaf-deco img {
        display: block;
        object-fit: contain;
    }

    /* Content inside sections must be above leaf */
    .section-content {
        position: relative;
        z-index: 1;
    }

    /* ------------------------------------------
       SECTION: HERO — Fullscreen Photo
       ------------------------------------------ */
    .hero {
        position: relative;
        min-height: 85vh;
        display: flex;
        align-items: flex-end;
        overflow: hidden;
        background-color: var(--bk-brown-dark);
    }

    /* Background photo layer */
    .hero__bg {
        position: absolute;
        inset: 0;
        z-index: 0;
        overflow: hidden; /* Required: clips parallax overshoot + picture/img sizing fix */
    }

    .hero__bg picture {
        position: absolute;
        inset: 0;
        overflow: hidden; /* Clips img that extends beyond hero height via dvh */
    }

    /* Fix: height:100% on img fails when containing block (<picture>) has no explicit px height.
       Use 100dvh (viewport-relative) instead — overflow:hidden on picture clips the excess.
       object-fit:cover handles aspect-ratio within the visible area. */
    .hero__bg img {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100dvh;
        object-fit: cover;
        object-position: center 40%;
        max-width: none; /* Override reset layer max-width:100% */
    }

    /* Overlay removed — no darkening on hero images */
    .hero__overlay {
        position: absolute;
        inset: 0;
        z-index: 1;
        background: transparent;
    }

    /* Decorative leaf — top right */
    .hero .leaf-deco {
        top: 8%;
        right: -4%;
        width: clamp(280px, 30vw, 480px);
        opacity: 0.12;
        transform: rotate(15deg);
    }

    /* Content */
    .hero__inner {
        position: relative;
        z-index: 2;
        width: 100%;
        max-width: var(--container-max);
        margin-inline: auto;
        padding-inline: var(--container-pad);
        padding-bottom: clamp(4rem, 8vw, 7rem);
        padding-top: clamp(6rem, 14vw, 10rem);
    }

    .hero__eyebrow {
        display: inline-block;
        font-size: var(--type-eyebrow);
        font-weight: 500;
        letter-spacing: 0.12em;
        text-transform: uppercase;
        color: var(--bk-green-light);
        margin-bottom: 1.25rem;
    }

    .hero__headline {
        font-size: var(--type-display);
        font-weight: 500;
        line-height: var(--lh-display);
        color: var(--bk-white);
        max-width: 16ch;
        margin-bottom: clamp(2rem, 4vw, 3rem);
        letter-spacing: -0.02em;
    }

    .hero__sub {
        font-size: clamp(1rem, 1.5vw, 1.2rem);
        line-height: 1.6;
        color: var(--bk-text-light);
        max-width: 48ch;
        margin-bottom: clamp(2rem, 4vw, 3rem);
    }

    .hero__cta {
        display: flex;
        gap: 1rem;
        flex-wrap: wrap;
    }

    /* Scroll indicator */
    .hero__scroll {
        position: absolute;
        bottom: 2rem;
        right: var(--container-pad);
        z-index: 2;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
        color: var(--bk-text-light);
        font-size: 0.75rem;
        letter-spacing: 0.1em;
        text-transform: uppercase;
    }

    .hero__scroll-line {
        width: 1px;
        height: 40px;
        background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.6));
        animation: scrollPulse 2s ease-in-out infinite;
    }

    @keyframes scrollPulse {
        0%, 100% { opacity: 0.4; transform: scaleY(1); }
        50% { opacity: 1; transform: scaleY(1.2); }
    }

    @media (prefers-reduced-motion: reduce) {
        .hero__scroll-line { animation: none; opacity: 0.6; }
    }

    /* ------------------------------------------
       SECTION: INTRO — Was ist Biokohle?
       Warm gray background, split layout
       ------------------------------------------ */
    .intro {
        position: relative;
        background-color: var(--bk-warm-gray);
        padding-top: clamp(5rem, 10vw, 8rem);
        padding-bottom: clamp(5rem, 10vw, 8rem);
        overflow: hidden;
    }

    /* Decorative leaf — right side, behind content */
    .intro .leaf-deco {
        right: -6%;
        bottom: -8%;
        width: clamp(300px, 35vw, 520px);
        opacity: 0.06;
        transform: rotate(-20deg);
    }

    .intro__grid {
        position: relative;
        z-index: 1;
        display: grid;
        grid-template-columns: 1fr;
        gap: clamp(2.5rem, 5vw, 5rem);
        align-items: center;
    }

    @media (min-width: 768px) {
        .intro__grid {
            grid-template-columns: 1fr 1fr;
        }
    }

    .intro__image {
        border-radius: var(--radius-md);
        overflow: hidden;
        aspect-ratio: 4 / 3;
    }

    .intro__image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.6s var(--ease-out-expo);
    }

    .intro__image:hover img {
        transform: scale(1.03);
    }

    .intro__text {
        max-width: 52ch;
    }

    .intro__text h2 {
        margin-bottom: var(--space-inner);
    }

    .intro__text p {
        color: var(--bk-text);
        margin-bottom: 1.25rem;
    }

    .intro__text p:last-of-type {
        margin-bottom: 2rem;
    }

    /* ------------------------------------------
       SECTION: PRODUKTE — 3 Karten
       ------------------------------------------ */
    .products {
        padding-top: clamp(5rem, 10vw, 8rem);
        padding-bottom: clamp(5rem, 10vw, 8rem);
        background-color: var(--bk-white);
    }

    .products__header {
        margin-bottom: clamp(3rem, 6vw, 5rem);
    }

    .products__header h2 {
        margin-bottom: 1rem;
    }

    .products__header p {
        color: var(--bk-text-muted);
        font-size: var(--type-body);
    }

    .products__grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1.5rem;
        align-items: start;
    }

    @media (min-width: 640px) {
        .products__grid {
            grid-template-columns: repeat(3, 1fr);
        }

        /* Middle card (A20) is featured — slightly taller */
        .products__card--featured {
            margin-top: -1.5rem;
        }
    }

    .products__card {
        border-radius: var(--radius-md);
        overflow: hidden;
        background-color: var(--bk-white);
        box-shadow: var(--shadow-card);
        transition: box-shadow 0.3s ease, transform 0.3s var(--ease-out-expo);
    }

    .products__card.fade-in-up {
        transition:
            opacity calc(var(--motion-reveal-duration) * 1s) var(--ease-out-expo),
            transform calc(var(--motion-reveal-duration) * 1s) var(--ease-out-expo),
            box-shadow 0.3s ease;
    }

    .products__card:hover {
        box-shadow: var(--shadow-card-hover);
        transform: translateY(-4px);
    }

    .products__card-img {
        aspect-ratio: 4 / 3;
        overflow: hidden;
    }

    .products__card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s var(--ease-out-expo);
    }

    .products__card:hover .products__card-img img {
        transform: scale(1.06);
    }

    .products__card-body {
        padding: 1.5rem;
    }

    .products__card-badge {
        display: inline-block;
        padding: 0.3rem 0.75rem;
        background-color: var(--bk-green-dark-bg);
        color: var(--bk-green-dark);
        font-size: 0.75rem;
        font-weight: 500;
        letter-spacing: 0.06em;
        border-radius: var(--radius-full);
        margin-bottom: 0.875rem;
    }

    .products__card-title {
        font-size: var(--type-h3);
        font-weight: 500;
        color: var(--bk-brown);
        margin-bottom: 0.5rem;
        line-height: 1.2;
    }

    .products__card-sub {
        font-size: var(--type-small);
        color: var(--bk-text-muted);
        margin-bottom: 1rem;
    }

    .products__card-specs {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
        padding-top: 0.5rem;
        border-top: 0;
    }

    .products__card-spec {
        display: flex;
        justify-content: space-between;
        font-size: 0.875rem;
        color: var(--bk-text-muted);
    }

    .products__card-spec strong {
        color: var(--bk-text);
        font-weight: 500;
    }

    /* Featured card emphasis */
    .products__card--featured {
        box-shadow: var(--shadow-card-hover);
        border: 2px solid var(--bk-green-dark-bg);
    }

    .products__card--featured .products__card-badge {
        background-color: var(--bk-green-dark);
        color: var(--bk-white);
    }

    /* ------------------------------------------
       SECTION: PROZESS — Herstellung
       Dark brown background, photo grid
       ------------------------------------------ */
    .process {
        position: relative;
        background-color: var(--bk-brown-dark);
        padding-top: clamp(5rem, 10vw, 8rem);
        padding-bottom: clamp(5rem, 10vw, 8rem);
        overflow: hidden;
    }

    /* Decorative leaf — bottom left */
    .process .leaf-deco {
        left: -5%;
        bottom: -5%;
        width: clamp(280px, 28vw, 440px);
        opacity: 0.08;
        transform: rotate(30deg) scaleX(-1);
    }

    .process__header {
        position: relative;
        z-index: 1;
        margin-bottom: clamp(2.5rem, 5vw, 4rem);
    }

    .process__header h2 {
        color: var(--bk-white);
        margin-bottom: 1rem;
    }

    .process__header p {
        color: var(--bk-text-light);
        max-width: 56ch;
    }

    .process__grid {
        position: relative;
        z-index: 1;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    @media (min-width: 768px) {
        .process__grid {
            grid-template-columns: repeat(4, 1fr);
        }
    }

    .process__photo {
        position: relative;
        border-radius: var(--radius-sm);
        overflow: hidden;
        aspect-ratio: 3 / 4;
    }

    @media (min-width: 768px) {
        .process__photo {
            aspect-ratio: 2 / 3;
        }
    }

    .process__photo img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s var(--ease-out-expo);
    }

    .process__photo:hover img {
        transform: scale(1.04);
    }

    /* Caption overlay on each photo */
    .process__photo-caption {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        padding: 1rem 0.875rem 0.75rem;
        background: rgba(42, 37, 34, 0.75);
        color: var(--bk-white);
        font-size: 0.8125rem;
        font-weight: 500;
        opacity: 0;
        transform: translateY(4px);
        transition: opacity 0.3s ease, transform 0.3s ease;
    }

    .process__photo:hover .process__photo-caption {
        opacity: 1;
        transform: translateY(0);
    }

    /* Process stats bar */
    .process__stats-bar {
        position: relative;
        z-index: 1;
        display: flex;
        gap: clamp(2rem, 5vw, 4rem);
        flex-wrap: wrap;
        margin-top: clamp(2.5rem, 5vw, 4rem);
        padding-top: clamp(2rem, 4vw, 3rem);
        border-top: 1px solid rgba(255,255,255,0.12);
    }

    .process__stat {
        display: flex;
        flex-direction: column;
        gap: 0.25rem;
    }

    .process__stat-value {
        font-size: clamp(1.5rem, 3vw, 2.25rem);
        font-weight: 500;
        color: var(--bk-green-light);
        letter-spacing: -0.02em;
        line-height: 1;
    }

    .process__stat-label {
        font-size: var(--type-small);
        color: var(--bk-text-light);
    }

    /* ------------------------------------------
       SECTION: KENNZAHLEN (Stats Counter)
       Strong green background — visual accent
       ------------------------------------------ */
    .stats {
        background-color: var(--bk-green-dark);
        padding-top: clamp(5rem, 10vw, 8rem);
        padding-bottom: clamp(5rem, 10vw, 8rem);
    }

    .stats__grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: clamp(3rem, 6vw, 5rem) clamp(2rem, 4vw, 3rem);
    }

    @media (min-width: 768px) {
        .stats__grid {
            grid-template-columns: repeat(4, 1fr);
        }
    }

    .stats__item {
        display: flex;
        flex-direction: column;
        gap: 0.625rem;
    }

    .stats__number {
        font-family: var(--font-primary);
        font-size: var(--type-counter);
        font-weight: 500;
        line-height: var(--lh-counter);
        color: var(--bk-white);
        letter-spacing: -0.03em;
    }

    .stats__label {
        font-size: var(--type-small);
        line-height: 1.5;
        color: rgba(255, 255, 255, 0.72);
        font-weight: 400;
    }

    /* ------------------------------------------
       SECTION: ANWENDUNGSFELDER
       White background, 4-card grid with photos
       ------------------------------------------ */
    .applications {
        padding-top: clamp(5rem, 10vw, 8rem);
        padding-bottom: clamp(5rem, 10vw, 8rem);
        background-color: var(--bk-white);
    }

    .applications__header {
        margin-bottom: clamp(3rem, 6vw, 5rem);
    }

    .applications__header h2 {
        margin-bottom: 1rem;
    }

    .applications__grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }

    @media (min-width: 768px) {
        .applications__grid {
            grid-template-columns: repeat(4, 1fr);
        }
    }

    .applications__card {
        border-radius: var(--radius-md);
        overflow: hidden;
        background-color: var(--bk-warm-gray);
        transition: transform 0.3s var(--ease-out-expo), box-shadow 0.3s ease;
    }

    .applications__card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-card-hover);
    }

    .applications__card-img {
        aspect-ratio: 3 / 2;
        overflow: hidden;
    }

    .applications__card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s var(--ease-out-expo);
    }

    .applications__card:hover .applications__card-img img {
        transform: scale(1.06);
    }

    .applications__card-body {
        padding: 1.25rem;
    }

    .applications__card-body h3 {
        font-size: clamp(1rem, 1.5vw, 1.2rem);
        font-weight: 500;
        color: var(--bk-brown);
        margin-bottom: 0.5rem;
        line-height: 1.25;
    }

    .applications__card-body p {
        font-size: 0.875rem;
        color: var(--bk-text-muted);
        line-height: 1.55;
        max-width: none;
    }

    /* ------------------------------------------
       SECTION: ROHSTOFFE — Circular Economy
       Cream background, split layout
       ------------------------------------------ */
    .circular {
        position: relative;
        background-color: var(--bk-cream);
        padding-top: clamp(5rem, 10vw, 8rem);
        padding-bottom: clamp(5rem, 10vw, 8rem);
        overflow: hidden;
    }

    .circular--detail {
        background:
            linear-gradient(180deg, rgba(247, 244, 236, 0.72), rgba(247, 244, 236, 0.98)),
            var(--bk-cream);
    }

    .circular .leaf-deco {
        left: -4%;
        top: 10%;
        width: clamp(250px, 28vw, 420px);
        opacity: 0.07;
        transform: rotate(-10deg);
    }

    .circular__grid {
        position: relative;
        z-index: 1;
        display: grid;
        grid-template-columns: 1fr;
        gap: clamp(3rem, 6vw, 5rem);
        align-items: center;
    }

    @media (min-width: 768px) {
        .circular__grid {
            grid-template-columns: 1fr 1fr;
        }
    }

    .circular__text {
        max-width: 52ch;
    }

    .circular__text h2 {
        margin-bottom: var(--space-inner);
    }

    .circular__text p {
        margin-bottom: 1.25rem;
        color: var(--bk-text);
    }

    .circular__text p:last-of-type {
        margin-bottom: 2rem;
    }

    .circular__images {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem;
    }

    .circular__visual {
        position: relative;
    }

    /* ------------------------------------------
       KREISLAUF V2 — Produktive Variante A
       Zwei interaktive Gegenüberstellungs-Kreise
       ------------------------------------------ */
    .kv2-section {
        padding: clamp(4rem, 8vw, 7rem) clamp(1.25rem, 4vw, 3rem);
    }

    .kv2-section--light {
        background: #f5f2ed;
    }

    .kv2-section--production {
        position: relative;
        overflow: hidden;
    }

    .kv2-section__header {
        max-width: 900px;
        margin: 0 auto 3rem;
        text-align: center;
    }

    .kv2-variant-label {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        font-size: 0.75rem;
        font-weight: 500;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        padding: 0.2rem 0.75rem;
        border-radius: 9999px;
        margin-bottom: 1rem;
    }

    .kv2-variant-label--a {
        background: rgba(88, 79, 72, 0.12);
        color: #584f48;
    }

    .kv2-section__header h2 {
        font-size: clamp(1.8rem, 4vw, 3.4rem);
        font-weight: 500;
        line-height: 1.12;
        margin-bottom: 0.9rem;
        color: #3d3530;
    }

    .kv2-section__header p {
        font-size: clamp(0.9375rem, 1.5vw, 1.0625rem);
        max-width: 680px;
        margin: 0 auto;
        line-height: 1.65;
        color: rgba(42, 37, 34, 0.66);
    }

    .kv2-reduced-hint {
        display: none;
        text-align: center;
        font-size: 0.8125rem;
        margin: 0 auto 1.5rem;
        padding: 0.5rem 1rem;
        border-radius: 4px;
        max-width: 900px;
        background: rgba(88, 79, 72, 0.08);
        color: rgba(42, 37, 34, 0.6);
    }

    .kv2a-dual-cycle {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
        gap: 0 clamp(1rem, 3vw, 2.5rem);
        max-width: 1240px;
        margin: 0 auto 2.5rem;
        align-items: start;
    }

    @media (max-width: 768px) {
        .kv2a-dual-cycle {
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        .kv2a-divider-col {
            display: none;
        }
    }

    .kv2a-cycle-card {
        background: #fff;
        border-radius: 4px;
        padding: clamp(1.5rem, 3vw, 2.5rem);
        box-shadow: 0 2px 12px rgba(42, 37, 34, 0.07);
    }

    .kv2a-cycle-title {
        font-size: clamp(1rem, 2vw, 1.25rem);
        font-weight: 500;
        margin-bottom: 0.35rem;
        display: flex;
        align-items: center;
        gap: 0.5rem;
        color: #2a2522;
    }

    .kv2a-cycle-card--geo .kv2a-cycle-title {
        color: #584f48;
    }

    .kv2a-cycle-card--vtc .kv2a-cycle-title {
        color: #3a8037;
    }

    .kv2a-cycle-badge {
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
        font-size: 0.75rem;
        font-weight: 500;
        letter-spacing: 0.05em;
        padding: 0.2rem 0.65rem;
        border-radius: 9999px;
        margin-bottom: 1.25rem;
    }

    .kv2a-cycle-card--geo .kv2a-cycle-badge {
        background: rgba(88, 79, 72, 0.1);
        color: #584f48;
    }

    .kv2a-cycle-card--vtc .kv2a-cycle-badge {
        background: rgba(58, 128, 55, 0.1);
        color: #3a8037;
    }

    .kv2a-svg-wrapper {
        position: relative;
        width: 100%;
        aspect-ratio: 1;
        max-width: 420px;
        margin: 0 auto 1.5rem;
    }

    .kv2a-cycle-svg {
        width: 100%;
        height: 100%;
        overflow: visible;
    }

    .kv2a-ring-geo {
        transform-origin: 160px 160px;
        animation: kv2a-spin-slow 60s linear infinite;
    }

    .kv2a-ring-vtc {
        transform-origin: 160px 160px;
        animation: kv2a-spin-med 20s linear infinite;
    }

    @keyframes kv2a-spin-slow {
        from { transform: rotate(0deg); }
        to { transform: rotate(360deg); }
    }

    @keyframes kv2a-spin-med {
        from { transform: rotate(0deg); }
        to { transform: rotate(360deg); }
    }

    .kv2a-center-pulse-vtc {
        transform-origin: 160px 160px;
        animation: kv2a-pulse-vtc 1.8s ease-in-out infinite;
    }

    @keyframes kv2a-pulse-vtc {
        0%, 100% { opacity: 0.5; transform: scale(0.95); }
        50% { opacity: 0.85; transform: scale(1.05); }
    }

    .kv2a-node-geo,
    .kv2a-node-vtc {
        transform-origin: 160px 160px;
    }

    @media (prefers-reduced-motion: reduce) {
        .kv2-reduced-hint {
            display: block;
        }

        .kv2a-ring-geo,
        .kv2a-ring-vtc,
        .kv2a-center-pulse-vtc,
        .kv2a-node-geo,
        .kv2a-node-vtc {
            animation: none !important;
        }
    }

    .kv2a-step-list {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 0.55rem;
        margin: 0;
        padding: 0;
    }

    .kv2a-step-item {
        display: flex;
        align-items: flex-start;
        gap: 0.625rem;
        font-size: 1rem;
        color: #2a2522;
        line-height: 1.42;
    }

    .kv2a-step-dot {
        flex-shrink: 0;
        width: 8px;
        height: 8px;
        border-radius: 50%;
        margin-top: 0.48em;
    }

    .kv2a-cycle-card--geo .kv2a-step-dot {
        background: #584f48;
    }

    .kv2a-cycle-card--vtc .kv2a-step-dot {
        background: #3a8037;
    }

    .kv2a-step-note {
        font-size: 0.8125rem;
        color: rgba(42, 37, 34, 0.55);
        display: block;
        margin-top: 0.15rem;
    }

    .kv2a-divider-col {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 3rem;
        gap: 1rem;
        min-width: 60px;
    }

    .kv2a-vs-badge {
        background: #3d3530;
        color: #fff;
        font-size: 0.75rem;
        font-weight: 500;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        padding: 0.4rem 0.8rem;
        border-radius: 9999px;
    }

    .kv2a-time-scale-bar {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }

    .kv2a-time-scale-line {
        width: 2px;
        background: linear-gradient(to bottom, #584f48, #3a8037);
        flex-grow: 1;
        min-height: 80px;
        border-radius: 1px;
    }

    .kv2a-time-scale-label {
        font-size: 0.6875rem;
        text-transform: uppercase;
        letter-spacing: 0.1em;
        font-weight: 500;
        color: rgba(42, 37, 34, 0.55);
        text-align: center;
        max-width: 70px;
        line-height: 1.3;
    }

    .kv2a-timeline-scale {
        max-width: 960px;
        margin: 0 auto 2.5rem;
        background: #3d3530;
        border-radius: 4px;
        padding: clamp(1.25rem, 3vw, 2rem);
        color: #fff;
    }

    .kv2a-timeline-title {
        font-size: 0.8125rem;
        font-weight: 500;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        color: rgba(255, 255, 255, 0.5);
        margin-bottom: 1.25rem;
    }

    .kv2a-time-compare {
        display: grid;
        grid-template-columns: 1fr auto 1fr;
        gap: 1rem;
        align-items: center;
    }

    @media (max-width: 560px) {
        .kv2a-time-compare {
            grid-template-columns: 1fr;
        }

        .kv2a-time-vs {
            display: none;
        }
    }

    .kv2a-time-block {
        padding: clamp(1rem, 2.5vw, 1.5rem);
        border-radius: 4px;
        text-align: center;
    }

    .kv2a-time-block--geo {
        background: rgba(88, 79, 72, 0.25);
        border: 1px solid rgba(88, 79, 72, 0.4);
    }

    .kv2a-time-block--vtc {
        background: rgba(58, 128, 55, 0.18);
        border: 1px solid rgba(58, 128, 55, 0.35);
    }

    .kv2a-time-value {
        font-size: clamp(1.25rem, 2.5vw, 1.75rem);
        font-weight: 600;
        line-height: 1.15;
        margin-bottom: 0.35rem;
    }

    .kv2a-time-block--geo .kv2a-time-value {
        color: rgba(200, 185, 170, 0.9);
    }

    .kv2a-time-block--vtc .kv2a-time-value {
        color: #a1b347;
    }

    .kv2a-time-block .kv2a-time-label {
        font-size: 0.875rem;
        font-weight: 500;
        color: rgba(255, 255, 255, 0.75);
        margin-bottom: 0.2rem;
        letter-spacing: 0;
        text-transform: none;
    }

    .kv2a-time-sub {
        font-size: 0.8125rem;
        color: rgba(255, 255, 255, 0.4);
    }

    .kv2a-time-vs {
        font-size: 1.1rem;
        font-weight: 600;
        color: rgba(255, 255, 255, 0.3);
        padding: 0.5rem;
        text-align: center;
        white-space: nowrap;
    }

    .kv2a-key-message {
        max-width: 960px;
        margin: 0 auto;
        background: rgba(58, 128, 55, 0.08);
        border-left: 3px solid #3a8037;
        border-radius: 0 4px 4px 0;
        padding: 1rem 1.5rem;
        font-size: 0.9375rem;
        color: #3d3530;
        line-height: 1.6;
    }

    .kv2a-key-message p {
        margin: 0;
    }

    .kv2a-key-message strong {
        color: #3a8037;
    }

    .kv2-svg-label,
    .kv2-svg-label-stack {
        width: 100%;
        height: 100%;
    }

    .kv2-svg-label,
    .kv2-svg-label-stack .kv2-svg-label {
        display: flex;
        align-items: center;
        justify-content: center;
        box-sizing: border-box;
        margin: 0;
        padding: 0 2px;
        overflow: hidden;
        color: var(--kv2-svg-color, #584f48);
        font-family: system-ui, sans-serif;
        font-size: var(--kv2-svg-size, 10.5px);
        font-weight: var(--kv2-svg-weight, 500);
        line-height: 1.05;
        text-align: center;
        text-wrap: balance;
    }

    .kv2-svg-label-stack {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        justify-content: center;
    }

    .kv2-svg-label-stack .kv2-svg-label {
        min-height: 0;
        flex: 1 1 auto;
    }

    .circular-cycle {
        position: relative;
        display: grid;
        gap: 1rem;
        padding: clamp(1.25rem, 3vw, 2rem);
        border-radius: var(--radius-md);
        background:
            linear-gradient(135deg, rgba(58, 128, 55, 0.11), rgba(161, 179, 71, 0.12)),
            var(--bk-white);
        box-shadow: var(--shadow-card);
        overflow: hidden;
    }

    .circular-cycle::before {
        content: "";
        position: absolute;
        inset: 1rem;
        border: 1px solid rgba(88, 79, 72, 0.12);
        border-radius: calc(var(--radius-md) - 4px);
        pointer-events: none;
    }

    .circular-cycle__lane {
        position: relative;
        z-index: 1;
        min-height: 150px;
        padding: 1.25rem;
        border-radius: var(--radius-sm);
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        overflow: hidden;
    }

    .circular-cycle__lane::before {
        content: "";
        position: absolute;
        inset: auto 1rem 1rem auto;
        width: 92px;
        height: 92px;
        border-radius: 50%;
        border: 12px solid currentColor;
        opacity: 0.15;
        animation: circular-cycle-pulse calc(var(--motion-cycle-vtc-duration) * 1s) linear infinite;
    }

    .circular-cycle__lane--geo {
        color: rgba(88, 79, 72, 0.78);
        background: rgba(88, 79, 72, 0.08);
    }

    .circular-cycle__lane--geo::before {
        animation-duration: calc(var(--motion-cycle-geologic-duration) * 1s);
    }

    .circular-cycle__lane--vtc {
        color: var(--bk-green-dark);
        background: rgba(58, 128, 55, 0.1);
    }

    .circular-cycle__label,
    .circular-cycle__note {
        position: relative;
        z-index: 1;
        font-size: var(--type-small);
        color: var(--bk-text-muted);
    }

    .circular-cycle__time {
        position: relative;
        z-index: 1;
        margin: 0.25rem 0;
        font-size: clamp(1.6rem, 4vw, 2.6rem);
        line-height: 1.05;
        font-weight: 700;
        color: currentColor;
    }

    .circular-cycle__divider {
        display: grid;
        grid-template-columns: 1fr auto 1fr;
        gap: 0.75rem;
        align-items: center;
        color: var(--bk-text-muted);
        font-size: var(--type-small);
        text-transform: uppercase;
        letter-spacing: 0;
    }

    .circular-cycle__divider span {
        height: 1px;
        background: rgba(88, 79, 72, 0.2);
    }

    .circular-cycle__steps {
        position: relative;
        z-index: 1;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.5rem;
        margin-top: 0.5rem;
    }

    .circular-cycle__steps span {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0.55rem 0.75rem;
        border-radius: var(--radius-sm);
        background: rgba(255, 255, 255, 0.72);
        color: var(--bk-text);
        font-size: var(--type-small);
        text-align: center;
    }

    @keyframes circular-cycle-pulse {
        0% { transform: rotate(0deg) scale(0.95); }
        50% { transform: rotate(180deg) scale(1.05); }
        100% { transform: rotate(360deg) scale(0.95); }
    }

    @media (max-width: 520px) {
        .circular-cycle__steps {
            grid-template-columns: 1fr;
        }
    }

    .circular__svg-slot:empty {
        display: none;
    }

    .circular__svg-slot svg {
        width: 100%;
        height: auto;
        display: block;
    }

    .circular__img {
        border-radius: var(--radius-md);
        overflow: hidden;
        aspect-ratio: 1;
    }

    .circular__img:first-child {
        aspect-ratio: 1;
        grid-row: span 2;
        aspect-ratio: auto;
    }

    .circular__img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s var(--ease-out-expo);
    }

    .circular__img:hover img {
        transform: scale(1.04);
    }

    /* ------------------------------------------
       SECTION: PARTNER
       Warm gray background, logos row
       ------------------------------------------ */
    .partners {
        background-color: var(--bk-warm-gray);
        padding-top: clamp(4rem, 8vw, 6rem);
        padding-bottom: clamp(4rem, 8vw, 6rem);
    }

    .partners__header {
        margin-bottom: clamp(2.5rem, 5vw, 4rem);
    }

    .partners__header h2 {
        margin-bottom: 0.75rem;
    }

    .partners__logos {
        display: flex;
        align-items: center;
        justify-content: flex-start;
        gap: clamp(2.5rem, 6vw, 5rem);
        flex-wrap: wrap;
    }

    .partners__logo {
        display: flex;
        align-items: center;
    }

    .partners__logo img {
        max-height: 120px;
        width: auto;
        object-fit: contain;
        filter: grayscale(0.2) opacity(0.85);
        transition: filter 0.3s ease, transform 0.3s ease;
    }

    .partners__logo:hover img {
        filter: none;
        transform: scale(1.04);
    }

    /* SURE badge emphasis */
    .partners__sure {
        display: flex;
        align-items: center;
        gap: 1rem;
        padding: 1.25rem 2rem;
        background-color: var(--bk-white);
        border-radius: var(--radius-md);
        border: 2px solid var(--bk-green-dark-bg);
        margin-top: clamp(2rem, 4vw, 3rem);
        max-width: 520px;
    }

    .partners__sure img {
        max-height: 64px;
        width: auto;
    }

    .partners__sure-text h4 {
        font-size: var(--type-h3);
        color: var(--bk-brown);
        margin-bottom: 0.25rem;
    }

    .partners__sure-text p {
        font-size: var(--type-small);
        color: var(--bk-text-muted);
        max-width: none;
    }

    /* ------------------------------------------
       SECTION: CTA STATEMENT
       Full-width green background
       ------------------------------------------ */
    .cta-statement {
        background-color: var(--bk-green-dark);
        padding-top: clamp(5rem, 10vw, 8rem);
        padding-bottom: clamp(5rem, 10vw, 8rem);
        text-align: center;
    }

    .cta-statement__inner {
        max-width: 800px;
        margin-inline: auto;
        padding-inline: var(--container-pad);
    }

    .cta-statement .eyebrow {
        color: var(--bk-green-light);
    }

    .cta-statement__headline {
        font-size: var(--type-h2);
        font-weight: 500;
        line-height: var(--lh-h2);
        color: var(--bk-white);
        margin-bottom: clamp(2rem, 4vw, 3rem);
        letter-spacing: -0.01em;
    }

    /* ------------------------------------------
       SECTION: FOTOBAND
       Full-width horizontal strip, all remaining photos
       ------------------------------------------ */
    .photo-band {
        overflow: hidden;
        background-color: var(--bk-brown-dark);
        padding-block: 0;
    }

    .photo-band__track {
        display: flex;
        gap: 0.375rem;
    }

    .photo-band__item {
        flex-shrink: 0;
        width: clamp(220px, 22vw, 320px);
        height: clamp(180px, 18vw, 260px);
        border-radius: 0;
        overflow: hidden;
    }

    .photo-band__item img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s var(--ease-out-expo);
    }

    .photo-band__item:hover img {
        transform: scale(1.06);
    }

    /* ------------------------------------------
       FOOTER
       Dark brown, industrial
       ------------------------------------------ */
    .site-footer {
        background-color: var(--bk-brown-dark);
        color: var(--bk-text-light);
        padding-top: clamp(4rem, 8vw, 6rem);
        padding-bottom: clamp(2.5rem, 5vw, 4rem);
    }

    .site-footer__inner {
        max-width: var(--container-max);
        margin-inline: auto;
        padding-inline: var(--container-pad);
    }

    .site-footer__grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: clamp(2.5rem, 5vw, 4rem);
        margin-bottom: clamp(3rem, 6vw, 5rem);
    }

    @media (min-width: 768px) {
        .site-footer__grid {
            grid-template-columns: 2fr 1fr 1fr;
        }
    }

    .site-footer__logo {
        margin-bottom: 1.75rem;
        /* Invert to white — logo is dark-colored on transparent */
        filter: brightness(0) invert(1);
        opacity: 0.9;
        max-width: 160px;
        height: auto;
    }

    .site-footer__contact-text {
        font-size: var(--type-small);
        line-height: 1.85;
        color: var(--bk-text-light);
        font-style: normal;
    }

    .site-footer__contact-text a {
        color: var(--bk-text-light);
        text-decoration: none;
        transition: color 0.2s ease;
    }

    .site-footer__contact-text a:hover {
        color: var(--bk-footer-link-hover);
    }

    .site-footer__col-heading {
        font-size: var(--type-small);
        font-weight: 500;
        color: var(--bk-white);
        margin-bottom: 1.25rem;
        text-transform: uppercase;
        letter-spacing: 0.08em;
    }

    .site-footer__nav {
        display: flex;
        flex-direction: column;
        gap: 0.625rem;
    }

    .site-footer__nav a {
        font-size: var(--type-small);
        color: var(--bk-text-light);
        text-decoration: none;
        transition: color 0.2s ease;
    }

    .site-footer__nav a:hover {
        color: var(--bk-footer-link-hover);
    }

    .site-footer__nav a:focus-visible {
        outline: 3px solid var(--bk-footer-link-hover);
        outline-offset: 3px;
        border-radius: 2px;
    }

    .site-footer__bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding-top: 1.5rem;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
    }

    .site-footer__copyright {
        font-size: var(--type-small);
        color: var(--bk-text-faint);
    }

    .site-footer__legal {
        display: flex;
        gap: 1.5rem;
        flex-wrap: wrap;
    }

    .site-footer__legal a {
        font-size: var(--type-small);
        color: var(--bk-text-faint);
        text-decoration: none;
        transition: color 0.2s ease;
    }

    .site-footer__legal a:hover {
        color: var(--bk-text-light);
    }
}

/* ============================================
   LAYER: UTILITIES
   ============================================ */
@layer utilities {

    /* Fade-in animation for sections (GSAP adds .is-visible) */
    .fade-in-up {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
    }

    .fade-in-up.is-visible {
        opacity: 1;
        transform: translateY(0);
    }

    /* No-JS fallback: show all content */
    html.no-js .fade-in-up {
        opacity: 1;
        transform: none;
    }

    /* Stagger helpers */
    .fade-in-up:nth-child(2) { transition-delay: 0.1s; }
    .fade-in-up:nth-child(3) { transition-delay: 0.2s; }
    .fade-in-up:nth-child(4) { transition-delay: 0.3s; }

    .motion-mask {
        display: block;
        overflow: hidden;
    }

    .motion-mask > span {
        display: block;
    }

    .word-reveal {
        display: inline-block;
    }

    @media (prefers-reduced-motion: reduce) {
        .fade-in-up {
            opacity: 1 !important;
            transform: none !important;
            transition: none !important;
        }

        .motion-mask,
        .motion-mask > span,
        .word-reveal {
            transform: none !important;
            transition: none !important;
        }
    }
}

/* ============================================
   SUBPAGE ADDITIONS — hero modifier + simple header + content layout
   ============================================ */

/* Subpage hero — smaller than homepage */
.hero--sub {
    min-height: 50vh;
    align-items: flex-end;
}

.hero--sub .hero__headline {
    font-size: clamp(2rem, 5vw, 4rem);
    max-width: 24ch;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.hero--sub .hero__sub {
    margin-bottom: 0;
}

/* Kaushan Script accent class for all subpage H1s */
.accent-font {
    font-family: var(--font-accent);
    font-weight: 400;
}

/* Simple page header for legal pages (no background image) */
.page-header-simple {
    padding: calc(var(--nav-height) + 3rem) 0 3rem;
    background-color: var(--bk-warm-gray);
}

.page-header-simple .container {
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}

.page-header-simple h1 {
    font-family: var(--font-accent);
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: var(--bk-brown);
    font-weight: 400;
    line-height: 1.15;
}

/* Section: info split — image left, text right */
.info-split {
    padding-top: clamp(5rem, 10vw, 8rem);
    padding-bottom: clamp(5rem, 10vw, 8rem);
    background-color: var(--bk-white);
}

.info-split__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(2.5rem, 5vw, 5rem);
    align-items: center;
}

@media (min-width: 768px) {
    .info-split__grid {
        grid-template-columns: 1fr 1fr;
    }

    .info-split__grid--reverse .info-split__image {
        order: 2;
    }

    .info-split__grid--reverse .info-split__text {
        order: 1;
    }
}

.info-split__image {
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 4 / 3;
}

.info-split__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out-expo);
}

.info-split__image:hover img {
    transform: scale(1.03);
}

.info-split__text h2 {
    margin-bottom: var(--space-inner);
}

.info-split__text p {
    margin-bottom: 1.25rem;
}

.info-split__text p:last-of-type {
    margin-bottom: 2rem;
}

.info-split__text .btn {
    display: inline-flex;
}

/* Alternating background variant */
.info-split--alt {
    background-color: var(--bk-warm-gray);
}

/* Section header with bottom spacing */
.section-header--spaced {
    margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

/* Section: full-width infographic */
/* ============================================================
   CARBON CYCLE — Animated kreislauf diagram (biokohle.php)
   Two tracks: fossil (linear, dead end) vs. VTC (circular)
   ============================================================ */
.carbon-cycle {
    background-color: var(--bk-warm-gray);
    padding-top: clamp(5rem, 10vw, 8rem);
    padding-bottom: clamp(5rem, 10vw, 8rem);
}

.carbon-cycle__header {
    margin-bottom: clamp(3rem, 6vw, 4.5rem);
}

.carbon-cycle__header h2 {
    margin-bottom: 1rem;
}

.carbon-cycle__compare {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 860px) {
    .carbon-cycle__compare {
        grid-template-columns: 1fr auto 1fr;
        gap: 2rem;
        align-items: start;
    }
}

/* Track containers */
.carbon-cycle__track {
    padding: clamp(1.5rem, 3vw, 2.5rem);
    border-radius: 16px;
    position: relative;
}

.carbon-cycle__track--fossil {
    background: var(--bk-white);
    border: 1px solid var(--bk-text-muted);
    border-style: dashed;
    opacity: 0.85;
}

.carbon-cycle__track--vtc {
    background: var(--bk-white);
    border: 2px solid var(--bk-green-dark);
    box-shadow: 0 4px 24px rgba(58, 128, 55, 0.08);
}

.carbon-cycle__track-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.carbon-cycle__track-tag {
    font-size: var(--type-small);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
}

.carbon-cycle__track-tag--fossil {
    background: var(--bk-text-muted);
    color: var(--bk-white);
}

.carbon-cycle__track-tag--vtc {
    background: var(--bk-green-dark);
    color: var(--bk-white);
}

.carbon-cycle__track-time {
    font-size: var(--type-small);
    color: var(--bk-text-muted);
    font-weight: 500;
}

/* Fossil flow: horizontal chain */
.carbon-cycle__flow--linear {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex-wrap: wrap;
    justify-content: center;
    padding: 1rem 0;
}

.carbon-cycle__node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.375rem;
    min-width: 64px;
    opacity: 0;
    transform: translateX(-12px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.carbon-cycle__node.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.carbon-cycle__node-icon svg {
    width: 40px;
    height: 40px;
}

.carbon-cycle__node-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--bk-text);
    text-align: center;
    white-space: nowrap;
}

.carbon-cycle__node-sub {
    font-size: 0.6875rem;
    color: var(--bk-red-danger);
    font-weight: 600;
}

.carbon-cycle__node--end .carbon-cycle__node-label {
    color: var(--bk-red-danger);
}

.carbon-cycle__arrow {
    color: var(--bk-text-muted);
    opacity: 0;
    transition: opacity 0.4s ease 0.2s;
    flex-shrink: 0;
}

.carbon-cycle__arrow.is-visible {
    opacity: 0.5;
}

/* Verdict lines */
.carbon-cycle__verdict {
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(0,0,0,0.08);
    text-align: center;
}

.carbon-cycle__verdict span {
    font-size: var(--type-small);
    font-weight: 600;
    letter-spacing: 0.04em;
}

.carbon-cycle__verdict--bad span { color: var(--bk-text-muted); }
.carbon-cycle__verdict--good span { color: var(--bk-green-dark); }

/* Divider */
.carbon-cycle__divider {
    display: flex;
    align-items: center;
    justify-content: center;
}

.carbon-cycle__vs {
    font-family: var(--ff-head);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--bk-text-muted);
    opacity: 0.5;
}

@media (min-width: 860px) {
    .carbon-cycle__divider {
        writing-mode: vertical-lr;
        padding: 2rem 0;
    }
}

/* VTC ring layout */
.carbon-cycle__ring {
    position: relative;
    width: 100%;
    max-width: 280px;
    aspect-ratio: 1;
    margin: 1rem auto;
}

.carbon-cycle__ring-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.carbon-cycle__ring-node {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.carbon-cycle__ring-node.is-visible {
    opacity: 1;
}

.carbon-cycle__ring-node--top {
    top: -8px;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
}
.carbon-cycle__ring-node--top.is-visible { transform: translateX(-50%) translateY(0); }

.carbon-cycle__ring-node--right {
    top: 50%;
    right: -16px;
    transform: translateY(-50%) translateX(8px);
}
.carbon-cycle__ring-node--right.is-visible { transform: translateY(-50%) translateX(0); }

.carbon-cycle__ring-node--bottom {
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
}
.carbon-cycle__ring-node--bottom.is-visible { transform: translateX(-50%) translateY(0); }

.carbon-cycle__ring-node--left {
    top: 50%;
    left: -16px;
    transform: translateY(-50%) translateX(-8px);
}
.carbon-cycle__ring-node--left.is-visible { transform: translateY(-50%) translateX(0); }

.carbon-cycle__ring-label {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--bk-text);
    white-space: nowrap;
}

.carbon-cycle__ring-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 1;
}

.carbon-cycle__ring-c {
    display: block;
    font-family: var(--ff-head);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--bk-green-dark);
    line-height: 1;
}

.carbon-cycle__ring-sub {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--bk-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.14em;
}

.carbon-cycle__caption {
    margin-top: 2rem;
    font-size: var(--type-small);
    color: var(--bk-text-muted);
    text-align: center;
}

/* ============================================================
   VTC PIPELINE — Scroll-driven process timeline (herstellung.php)
   Vertical steps with alternating photo/text, animated connector
   ============================================================ */
.section-placeholder {
    background: var(--bk-cream);
    padding-top: clamp(4rem, 8vw, 6rem);
    padding-bottom: clamp(4rem, 8vw, 6rem);
}

.section-placeholder__box {
    max-width: 760px;
    padding: clamp(1.5rem, 4vw, 2.5rem);
    border-left: 6px solid var(--bk-green-dark);
    background:
        linear-gradient(135deg, rgba(58, 128, 55, 0.1), rgba(161, 179, 71, 0.08)),
        var(--bk-white);
    box-shadow: var(--shadow-card);
}

.section-placeholder__box h2 {
    margin-bottom: 1rem;
}

.section-placeholder__box p {
    color: var(--bk-text);
    margin-bottom: 0;
}

.vtc-pipeline {
    position: relative;
    background-color: var(--bk-brown-dark);
    padding-top: clamp(5rem, 10vw, 8rem);
    padding-bottom: 0;
    overflow: hidden;
}

.vtc-pipeline__header {
    position: relative;
    z-index: 2;
    margin-bottom: clamp(3rem, 6vw, 5rem);
}

.vtc-pipeline__header h2 {
    color: var(--bk-white);
    margin-bottom: 1rem;
}

.vtc-pipeline__intro {
    color: var(--bk-text-light);
    max-width: 56ch;
}

/* SVG connector line running through all steps */
.vtc-pipeline__line {
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    display: none;
}

@media (min-width: 860px) {
    .vtc-pipeline__line {
        display: block;
    }
}

.vtc-pipeline__line-bg {
    stroke: rgba(255,255,255,0.06);
    stroke-width: 2;
}

.vtc-pipeline__line-progress {
    stroke: var(--bk-green-light);
    stroke-width: 2;
    /* dasharray/dashoffset set via JS using getTotalLength() */
}

/* Individual steps */
.vtc-step {
    position: relative;
    z-index: 2;
    margin-bottom: clamp(3rem, 6vw, 5rem);
}

.vtc-step__marker {
    margin-bottom: 1.25rem;
}

.vtc-step__num {
    font-family: var(--ff-head);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: rgba(255,255,255,0.08);
    line-height: 1;
    letter-spacing: -0.04em;
    transition: color 0.6s ease;
}

.vtc-step.is-active .vtc-step__num {
    color: var(--bk-green-light);
}

.vtc-step__content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    align-items: center;
}

@media (min-width: 768px) {
    .vtc-step__content {
        grid-template-columns: 1fr 1fr;
        gap: clamp(2rem, 4vw, 3.5rem);
    }

    .vtc-step__content--reverse .vtc-step__image {
        order: 2;
    }

    .vtc-step__content--reverse .vtc-step__text {
        order: 1;
    }
}

.vtc-step__image {
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.vtc-step.is-active .vtc-step__image {
    opacity: 1;
    transform: translateY(0);
}

.vtc-step__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.vtc-step__text {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s ease 0.15s, transform 0.6s ease 0.15s;
}

.vtc-step.is-active .vtc-step__text {
    opacity: 1;
    transform: translateY(0);
}

.vtc-step__text h3 {
    font-family: var(--ff-head);
    font-size: clamp(1.25rem, 2.5vw, 1.625rem);
    font-weight: 700;
    color: var(--bk-white);
    margin-bottom: 0.75rem;
}

.vtc-step__text p {
    color: var(--bk-text-light);
    font-size: var(--type-body);
    line-height: 1.65;
    margin-bottom: 1rem;
}

.vtc-step__tag {
    display: inline-block;
    font-size: var(--type-small);
    font-weight: 600;
    color: var(--bk-green-light);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.25rem 0.75rem;
    border: 1px solid rgba(161, 179, 71, 0.25);
    border-radius: 4px;
}

/* Inline params inside step 3 */
.vtc-step__params {
    display: flex;
    gap: 2rem;
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.vtc-param {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.vtc-param__value {
    font-family: var(--ff-head);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--bk-green-light);
    line-height: 1;
}

.vtc-param__label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--bk-text-faint);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* Highlight step (step 3 — the core VTC process) */
.vtc-step--highlight {
    background: rgba(255,255,255,0.03);
    margin-left: -1.5rem;
    margin-right: -1.5rem;
    padding: 2rem 1.5rem;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.06);
}

/* Result stats bar at bottom */
.vtc-result {
    background: rgba(0,0,0,0.25);
    padding: clamp(2.5rem, 5vw, 3.5rem) 0;
    margin-top: clamp(3rem, 6vw, 5rem);
    border-top: 1px solid rgba(255,255,255,0.06);
}

.vtc-result__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

@media (min-width: 768px) {
    .vtc-result__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.vtc-result__item {
    text-align: center;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.vtc-result__item.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.vtc-result__value {
    display: block;
    font-family: var(--ff-head);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--bk-white);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.vtc-result__label {
    display: block;
    font-size: var(--type-small);
    font-weight: 600;
    color: var(--bk-green-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.25rem;
}

.vtc-result__sub {
    display: block;
    font-size: 0.75rem;
    color: var(--bk-text-faint);
}

/* --- no-js + reduced-motion fallbacks for animation targets --- */
html.no-js .vtc-step__image,
html.no-js .vtc-step__text,
html.no-js .vtc-result__item,
html.no-js .carbon-cycle__node,
html.no-js .carbon-cycle__arrow,
html.no-js .carbon-cycle__ring-node {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    .vtc-step__image, .vtc-step__text,
    .vtc-result__item,
    .carbon-cycle__node, .carbon-cycle__arrow,
    .carbon-cycle__ring-node {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }

    .carbon-cycle__ring-progress {
        stroke-dashoffset: 0 !important;
    }
}

/* --- Legacy compat: keep old selectors for other pages --- */
.section-infographic {
    background-color: var(--bk-warm-gray);
    padding-top: clamp(4rem, 8vw, 6rem);
    padding-bottom: clamp(4rem, 8vw, 6rem);
}

.section-infographic__img {
    border-radius: var(--radius-md);
    overflow: hidden;
}

.section-infographic figcaption {
    margin-top: 1rem;
    font-size: var(--type-small);
    color: var(--bk-text-muted);
    text-align: center;
}

/* Section: process parameter grid */
.section-params {
    background-color: var(--bk-cream);
    padding-top: clamp(5rem, 10vw, 8rem);
    padding-bottom: clamp(5rem, 10vw, 8rem);
}

.section-params__header {
    margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-params__header h2 {
    margin-bottom: 1rem;
}

.param-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 560px) {
    .param-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 960px) {
    .param-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.param-card {
    background-color: var(--bk-white);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    box-shadow: var(--shadow-card);
}

.param-card__value {
    display: block;
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 500;
    color: var(--bk-green-dark);
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.param-card__label {
    font-size: var(--type-small);
    font-weight: 500;
    color: var(--bk-brown);
    display: block;
    margin-bottom: 0.5rem;
}

.param-card p {
    font-size: 0.875rem;
    color: var(--bk-text-muted);
    max-width: none;
    margin-bottom: 0;
}

/* Section: application detail cards */
.section-applications-detail {
    background-color: var(--bk-white);
    padding-top: clamp(5rem, 10vw, 8rem);
    padding-bottom: clamp(5rem, 10vw, 8rem);
}

.section-applications-detail__header {
    margin-bottom: clamp(3rem, 6vw, 5rem);
}

.section-applications-detail__header h2 {
    margin-bottom: 1rem;
}

.app-detail-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(2.5rem, 5vw, 4rem);
}

@media (min-width: 768px) {
    .app-detail-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.app-detail-card {
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--bk-warm-gray);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s var(--ease-out-expo), box-shadow 0.3s ease;
}

.app-detail-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.app-detail-card__img {
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.app-detail-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s var(--ease-out-expo);
}

.app-detail-card:hover .app-detail-card__img img {
    transform: scale(1.05);
}

.app-detail-card__body {
    padding: 1.75rem;
    flex: 1;
}

.app-detail-card__body h2 {
    font-size: var(--type-h3);
    color: var(--bk-brown);
    margin-bottom: 0.875rem;
    line-height: var(--lh-h3);
}

.app-detail-card__body p {
    font-size: var(--type-small);
    color: var(--bk-text);
    line-height: 1.7;
    max-width: none;
}

/* Section: partner detail with logos */
.section-partners-detail {
    background-color: var(--bk-white);
    padding-top: clamp(5rem, 10vw, 8rem);
    padding-bottom: clamp(5rem, 10vw, 8rem);
}

.section-partners-detail__header {
    margin-bottom: clamp(3rem, 6vw, 5rem);
}

.partner-detail-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(2.5rem, 5vw, 4rem);
}

@media (min-width: 768px) {
    .partner-detail-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.partner-detail-card {
    background-color: var(--bk-white);
    border-radius: var(--radius-md);
    border: 1px solid rgba(88, 79, 72, 0.12);
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.partner-detail-card__photo {
    aspect-ratio: 16 / 9;
    background: var(--bk-warm-gray);
    overflow: hidden;
}

.partner-detail-card__photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.partner-detail-card__body {
    padding: 1.5rem;
    flex: 1;
}

.partner-detail-card__logo {
    height: 56px;
    display: flex;
    align-items: center;
}

.partner-detail-card__logo img {
    max-height: 56px;
    width: auto;
    object-fit: contain;
    filter: grayscale(0.15);
    transition: filter 0.3s ease;
}

.partner-detail-card:hover .partner-detail-card__logo img {
    filter: none;
}

.partner-detail-card h3 {
    font-size: var(--type-h3);
    color: var(--bk-brown);
    margin-bottom: 0.5rem;
}

.partner-detail-card p {
    font-size: var(--type-small);
    color: var(--bk-text);
    line-height: 1.7;
    max-width: none;
}

.partner-detail-card__quote {
    margin: 1.25rem 0 0;
    padding: 1rem 1.15rem;
    border-left: 3px solid var(--bk-green-dark);
    background: rgba(58, 128, 55, 0.07);
    color: var(--bk-text);
    font-size: var(--type-small);
    font-style: italic;
    line-height: 1.7;
}

.partner-detail-card__quote cite {
    display: block;
    margin-top: 0.65rem;
    color: var(--bk-text-muted);
    font-style: normal;
}

.partner-detail-card__logo-box {
    min-height: 120px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bk-warm-gray);
    border-top: 1px solid rgba(88, 79, 72, 0.1);
}

.partner-detail-card__logo-box img {
    max-height: 80px;
    width: auto;
    object-fit: contain;
    filter: grayscale(0.15);
    transition: filter 0.3s ease;
}

.partner-detail-card:hover .partner-detail-card__logo-box img {
    filter: none;
}

/* Section: SURE certificate */
.section-sure {
    background-color: var(--bk-cream);
    padding-top: clamp(5rem, 10vw, 8rem);
    padding-bottom: clamp(5rem, 10vw, 8rem);
}

.sure-block {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(2.5rem, 5vw, 4rem);
    align-items: center;
}

@media (min-width: 768px) {
    .sure-block {
        grid-template-columns: auto 1fr;
    }
}

.sure-block__badge {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bk-white);
    border-radius: var(--radius-md);
    padding: 2rem;
    border: 2px solid var(--bk-green-dark-bg);
    min-width: 180px;
}

.sure-block__badge img {
    max-height: 120px;
    width: auto;
}

.sure-block__text h2 {
    margin-bottom: var(--space-inner);
}

.sure-block__text p {
    margin-bottom: 1rem;
}

.sure-block__text p:last-of-type {
    margin-bottom: 0;
}

/* Contact section layout */
.section-contact {
    background-color: var(--bk-warm-gray);
    padding-top: clamp(5rem, 10vw, 8rem);
    padding-bottom: clamp(5rem, 10vw, 8rem);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(3rem, 6vw, 5rem);
}

@media (min-width: 768px) {
    .contact-layout {
        grid-template-columns: 1fr 1.5fr;
        align-items: start;
    }
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-info__heading {
    font-size: var(--type-h3);
    color: var(--bk-brown);
    margin-bottom: 0.25rem;
}

.contact-info__block {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: var(--type-small);
    line-height: 1.7;
    color: var(--bk-text);
}

.contact-info__block a {
    color: var(--bk-green-dark);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.2s ease;
}

.contact-info__block a:hover {
    color: var(--bk-green-dark-hover);
}

.contact-info__hint {
    background-color: var(--bk-white);
    border-left: 3px solid var(--bk-green-dark);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 1.25rem 1.5rem;
    font-size: var(--type-small);
    color: var(--bk-text);
    line-height: 1.7;
    max-width: none;
}

/* Contact form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    background-color: var(--bk-white);
    border-radius: var(--radius-md);
    padding: clamp(1.75rem, 4vw, 2.5rem);
    box-shadow: var(--shadow-card);
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-field label {
    font-size: var(--type-small);
    font-weight: 500;
    color: var(--bk-brown);
}

.form-field input,
.form-field textarea,
.form-field select {
    font-family: var(--font-primary);
    font-size: var(--type-body);
    color: var(--bk-text);
    background-color: var(--bk-warm-gray);
    border: 2px solid rgba(88, 79, 72, 0.35);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    width: 100%;
    transition: border-color 0.2s ease, background-color 0.2s ease;
    min-height: 48px;
}

.form-field input:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--bk-green-dark);
    background-color: var(--bk-white);
}

.form-field input:focus-visible,
.form-field textarea:focus-visible {
    outline: 3px solid var(--bk-green-dark);
    outline-offset: 2px;
}

.form-field input::placeholder,
.form-field textarea::placeholder,
.form-field select::placeholder {
    color: var(--bk-text-placeholder);
}

.form-field textarea {
    min-height: 140px;
    resize: vertical;
}

.form-field__hint {
    font-size: 0.8125rem;
    color: var(--bk-text-muted);
}

.form-consent {
    font-size: var(--type-small);
    color: var(--bk-text-muted);
    max-width: none;
}

.form-consent a {
    color: var(--bk-green-dark);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* DSGVO Consent Checkbox */
.form-field--consent {
    margin-top: 0.5rem;
}

.form-consent-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: var(--type-small);
    color: var(--bk-text);
    line-height: 1.5;
    cursor: pointer;
}

.form-consent-label input[type="checkbox"] {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    margin-top: 0.15rem;
    accent-color: var(--bk-green-dark);
    cursor: pointer;
}

.form-consent-label a {
    color: var(--bk-green-dark);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* Legal content (Impressum / Datenschutz) */
.legal-content {
    padding-top: clamp(4rem, 8vw, 6rem);
    padding-bottom: clamp(5rem, 10vw, 8rem);
    background-color: var(--bk-white);
}

.legal-content h2 {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--bk-brown);
    margin-top: 2.5rem;
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.legal-content h2:first-of-type {
    margin-top: 0;
}

.legal-content p {
    font-size: var(--type-small);
    line-height: 1.85;
    color: var(--bk-text);
    margin-bottom: 1rem;
    max-width: 68ch;
}

.legal-content a {
    color: var(--bk-green-dark);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.legal-content a:hover {
    color: var(--bk-green-dark-hover);
}

.stats-page {
    background: var(--bk-cream);
}

.stats-hero,
.stats-panel {
    padding: clamp(4rem, 8vw, 7rem) 0;
}

.stats-hero {
    background:
        linear-gradient(135deg, rgba(58, 128, 55, 0.12), rgba(161, 179, 71, 0.08)),
        var(--bk-cream);
}

.stats-hero h1 {
    margin: 0.35rem 0 1rem;
    color: var(--bk-brown);
}

.stats-hero p,
.stats-fallback,
.stats-empty p {
    max-width: 64ch;
    color: var(--bk-text-muted);
}

.stats-embed-card,
.stats-empty {
    border: 1px solid rgba(88, 79, 72, 0.12);
    border-radius: var(--radius-md);
    background: var(--bk-white);
    box-shadow: var(--shadow-card);
    padding: clamp(1.5rem, 4vw, 2.5rem);
}

.umami-stat-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

@media (max-width: 700px) {
    .umami-stat-grid {
        grid-template-columns: 1fr;
    }
}

.umami-stat-card {
    min-height: 130px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 1.25rem;
    border-radius: var(--radius-sm);
    background: rgba(58, 128, 55, 0.08);
}

.umami-stat-card__value {
    font-size: clamp(2rem, 6vw, 3.5rem);
    line-height: 1;
    font-weight: 700;
    color: var(--bk-green-dark);
}

.umami-stat-card__label {
    margin-top: 0.65rem;
    color: var(--bk-text-muted);
    font-size: var(--type-small);
}

.stats-fallback {
    margin-top: 1rem;
}

.legal-notice {
    margin-top: 2rem;
    padding: 1rem 1.5rem;
    background-color: var(--bk-warm-gray);
    border-radius: var(--radius-sm);
    font-size: var(--type-small);
    color: var(--bk-text-muted);
    max-width: 68ch;
}

/* Products detail page — overwrite card image class name parity */
.products__card-image {
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.products__card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s var(--ease-out-expo);
}

.products__card:hover .products__card-image img {
    transform: scale(1.06);
}

.products__card-name {
    font-size: var(--type-h3);
    font-weight: 500;
    color: var(--bk-brown);
    margin-bottom: 1rem;
}

dl.products__card-spec {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 0.25rem 1rem;
    padding-top: 0.875rem;
    border-top: 1px solid rgba(42, 37, 34, 0.08);
}

dl.products__card-spec dt {
    font-size: 0.8125rem;
    color: var(--bk-text-muted);
    font-weight: 400;
    align-self: center;
}

dl.products__card-spec dd {
    font-size: 0.8125rem;
    color: var(--bk-text);
    font-weight: 500;
    padding: 0.375rem 0;
    border-bottom: 1px solid rgba(42, 37, 34, 0.05);
}

.products__cta-wrapper {
    margin-top: clamp(3rem, 6vw, 4.5rem);
    display: flex;
    justify-content: center;
}

/* ============================================
   CRITICAL OVERRIDES — outside @layer for maximum specificity
   These rules MUST render correctly regardless of layer cascade
   ============================================ */

/* Hero MUST be fullscreen with background image */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    background-color: var(--bk-brown-dark);
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.hero__bg picture {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero__bg img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100dvh;
    object-fit: cover;
    object-position: center 40%;
    max-width: none;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: transparent;
}

.hero__inner {
    position: relative;
    z-index: 2;
    max-width: 1280px;
    margin-inline: auto;
    padding: clamp(4rem, 8vw, 7rem) clamp(1.25rem, 5vw, 4rem);
    width: 100%;
}

/* Semi-transparent backdrop for text legibility on hero images */
.hero__content-box {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: 12px;
    padding: clamp(1.5rem, 3vw, 2.5rem);
    max-width: 580px;
}

.hero__headline {
    font-size: clamp(2rem, 5vw, 3.75rem);
    font-weight: 500;
    line-height: 1.1;
    color: var(--bk-text);
    max-width: 18ch;
    margin-bottom: 1rem;
}

/* Accent font (Kaushan Script) for page headings */
.accent-font,
.page-hero__headline {
    font-family: var(--font-accent);
    font-weight: 400;
}

.hero__eyebrow {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--bk-green-dark);
    margin-bottom: 1.25rem;
}

.hero__sub {
    font-size: clamp(0.875rem, 1.1vw, 1rem);
    line-height: 1.65;
    color: var(--bk-text-muted);
    max-width: 48ch;
    margin-bottom: 1.5rem;
}

/* Counter section MUST have green background */
.stats {
    background-color: var(--bk-green-dark) !important;
    color: var(--bk-white);
}

.stats__number {
    color: var(--bk-white) !important;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 500;
}

.stats__label {
    color: rgba(255, 255, 255, 0.72) !important;
}

/* Footer logo MUST be visible */
.site-footer__logo {
    filter: brightness(0) invert(1);
    opacity: 0.95;
    max-width: 180px;
    height: auto;
    margin-bottom: 1.75rem;
}

/* Decorative leaves */
.leaf-deco {
    position: absolute;
    z-index: 0;
    pointer-events: none;
}

.leaf-deco img {
    width: 100%;
    height: auto;
    opacity: inherit;
}

/* ============================================
   MASSIVE FIX BLOCK — 2026-03-19
   Fixes: forms, buttons, spacing, hero overlay,
   footer, nav, general layout issues
   ============================================ */

/* --- HERO OVERLAY: Removed --- */
.hero__overlay {
    background: transparent;
}

/* Buttons inside white hero content box need dark styling */
.hero__content-box .btn--outline,
.hero__content-box .btn--outline-white {
    background: transparent;
    color: var(--bk-brown);
    border: 2px solid var(--bk-brown);
}

.hero__content-box .btn--outline:hover,
.hero__content-box .btn--outline-white:hover {
    background: var(--bk-brown);
    color: var(--bk-white);
}

/* --- FORM STYLING (contact page) --- */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
    background: var(--bk-white);
    border-radius: 12px;
    padding: clamp(2rem, 4vw, 3rem);
    box-shadow: 0 2px 16px rgba(42,37,34,0.08), 0 1px 4px rgba(42,37,34,0.05);
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-field label {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--bk-brown);
}

.form-field input,
.form-field textarea,
.form-field select {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    color: var(--bk-text);
    background: var(--bk-warm-gray);
    border: 2px solid transparent;
    border-radius: 8px;
    padding: 0.875rem 1.125rem;
    width: 100%;
    min-height: 52px;
    transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
    -webkit-appearance: none;
    appearance: none;
}

.form-field input:hover,
.form-field textarea:hover {
    border-color: rgba(58, 128, 55, 0.3);
}

.form-field input:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--bk-green-dark);
    background: var(--bk-white);
    box-shadow: 0 0 0 3px rgba(58, 128, 55, 0.15);
}

.form-field textarea {
    min-height: 160px;
    resize: vertical;
}

.form-field input[type="file"] {
    padding: 0.75rem;
    background: var(--bk-white);
    border: 2px dashed rgba(88, 79, 72, 0.25);
    cursor: pointer;
}

.form-field input[type="file"]:hover {
    border-color: var(--bk-green-dark);
    background: rgba(58, 128, 55, 0.04);
}

.form-field__hint {
    font-size: 0.8125rem;
    color: var(--bk-text-muted);
    line-height: 1.4;
}

.form-consent {
    font-size: 0.875rem;
    color: var(--bk-text-muted);
    line-height: 1.6;
}

.form-consent a {
    color: var(--bk-green-dark);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* --- BUTTONS: More spacing, better look --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    padding: 0.9375rem 2.25rem;
    border-radius: 9999px;
    border: 2px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.25s ease;
    min-height: 52px;
    line-height: 1;
    gap: 0.5rem;
}

.btn--primary {
    background: var(--bk-green-dark);
    color: var(--bk-white);
    border-color: var(--bk-green-dark);
}

.btn--primary:hover {
    background: var(--bk-green-dark-hover);
    border-color: var(--bk-green-dark-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(58, 128, 55, 0.3);
}

.btn--outline {
    background: transparent;
    color: var(--bk-brown);
    border-color: var(--bk-brown);
}

.btn--outline:hover {
    background: var(--bk-brown);
    color: var(--bk-white);
}

.btn--outline-white {
    background: transparent;
    color: var(--bk-white);
    border-color: rgba(255, 255, 255, 0.6);
}

.btn--outline-white:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--bk-white);
}

.btn:focus-visible {
    outline: 3px solid var(--bk-green-dark);
    outline-offset: 3px;
}

/* --- BUTTON SPACING: Never too close to content --- */
.hero__cta {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

section .btn,
.products__cta-wrapper,
.info-split__text .btn {
    margin-top: 1.5rem;
}

/* --- CTA SECTIONS: More padding around buttons --- */
.cta-statement {
    padding: clamp(5rem, 10vw, 8rem) 0;
}

.cta-statement__headline {
    color: #FFFFFF !important;
}

.cta-statement .eyebrow {
    color: #FFFFFF !important;
    opacity: 0.75;
}

.cta-statement .btn {
    margin-top: 2.5rem;
    color: var(--bk-white);
    border-color: var(--bk-white);
}

.cta-statement .btn:hover {
    background: var(--bk-white);
    color: var(--bk-green-dark);
    border-color: var(--bk-white);
}

/* --- FOOTER: More character, less boring --- */
.site-footer {
    background: var(--bk-brown-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: clamp(4rem, 8vw, 6rem) 0 0;
    position: relative;
}

/* Green accent line at top of footer */
.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--bk-green-dark);
}

.site-footer__inner {
    max-width: 1280px;
    margin-inline: auto;
    padding-inline: clamp(1.25rem, 5vw, 4rem);
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    padding-bottom: 4rem;
}

@media (min-width: 768px) {
    .site-footer__grid {
        grid-template-columns: 1.5fr 1fr 1fr;
        gap: 4rem;
    }
}

.site-footer__logo {
    filter: brightness(0) invert(1);
    opacity: 0.9;
    max-width: 180px;
    height: auto;
    margin-bottom: 1.5rem;
}

.site-footer__contact-text {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9375rem;
    line-height: 1.85;
    color: rgba(255, 255, 255, 0.7);
    font-style: normal;
}

.site-footer__contact-text a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.2s ease;
}

.site-footer__contact-text a:hover {
    color: var(--bk-green-light);
}

.site-footer h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--bk-green-light);
    margin-bottom: 1.25rem;
}

.site-footer__nav a,
.site-footer__legal-nav a {
    font-family: 'Space Grotesk', sans-serif;
    display: block;
    padding: 0.375rem 0;
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.2s ease, padding-left 0.2s ease;
}

.site-footer__nav a:hover,
.site-footer__legal-nav a:hover {
    color: var(--bk-white);
    padding-left: 0.5rem;
}

/* Footer bottom bar */
.site-footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.45);
}

.site-footer__bottom a {
    color: rgba(255, 255, 255, 0.45);
    text-decoration: none;
    transition: color 0.2s ease;
}

.site-footer__bottom a:hover {
    color: rgba(255, 255, 255, 0.8);
}

/* --- NAV: More character --- */
.site-header {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(88, 79, 72, 0.06);
    transition: all 0.3s ease;
}

.site-header.is-scrolled {
    box-shadow: 0 2px 20px rgba(42, 37, 34, 0.08);
    border-bottom-color: transparent;
}

.site-header__cta {
    background: var(--bk-green-dark);
    color: var(--bk-white);
    border: 2px solid var(--bk-green-dark);
    border-radius: 9999px;
    padding: 0.625rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.25s ease;
}

.site-header__cta:hover {
    background: var(--bk-green-dark-hover);
    border-color: var(--bk-green-dark-hover);
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(58, 128, 55, 0.25);
}

/* Nav links — subtle green underline on hover */
.site-nav__link {
    position: relative;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9375rem;
    color: var(--bk-brown);
    padding: 0.5rem 0.875rem;
    transition: color 0.2s ease;
}

.site-nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0.875rem;
    right: 0.875rem;
    height: 2px;
    background: var(--bk-green-dark);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.site-nav__link:hover {
    color: var(--bk-green-dark);
}

.site-nav__link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.site-nav__link.is-active {
    color: var(--bk-green-dark);
    font-weight: 500;
}

.site-nav__link.is-active::after {
    transform: scaleX(1);
}

/* --- GENERAL SPACING + TYPOGRAPHY --- */
body {
    font-family: 'Space Grotesk', 'Helvetica Neue', sans-serif;
    color: var(--bk-text);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
    font-family: 'Space Grotesk', sans-serif;
    color: var(--bk-brown);
    line-height: 1.2;
}

/* White text on dark sections — override global heading color */
.process__header h2,
.process__header p,
.process__stat-label,
.cta-statement__headline,
.cta-statement .eyebrow,
.site-footer__col-heading,
.landing-process h2,
.landing-process p,
.landing-cta__text h2,
.landing-cta__text p {
    color: var(--bk-white);
}

.process__header p,
.landing-process p,
.landing-cta__text p {
    color: rgba(255, 255, 255, 0.85);
}

p {
    max-width: 68ch;
    line-height: 1.75;
}

/* Container utility */
.container {
    max-width: 1280px;
    margin-inline: auto;
    padding-inline: clamp(1.25rem, 5vw, 4rem);
}

/* Section spacing */
section {
    padding-top: clamp(4rem, 8vw, 7rem);
    padding-bottom: clamp(4rem, 8vw, 7rem);
}

/* Links */
a:focus-visible {
    outline: 3px solid var(--bk-green-dark);
    outline-offset: 3px;
    border-radius: 3px;
}

/* --- SUBPAGE HERO: no overlay --- */
.hero--sub .hero__overlay {
    background: transparent;
}

.hero--sub {
    min-height: 45vh;
}

/* --- CONTACT SECTION LAYOUT --- */
.section-contact {
    background: var(--bk-warm-gray);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 768px) {
    .contact-layout {
        grid-template-columns: 1fr 1.5fr;
        align-items: start;
    }
}

.contact-info {
    font-family: 'Space Grotesk', sans-serif;
}

.contact-info h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 1.5rem;
}

.contact-info address {
    font-style: normal;
    line-height: 1.85;
    font-size: 0.9375rem;
    color: var(--bk-text);
    margin-bottom: 1.5rem;
}

.contact-info a {
    color: var(--bk-green-dark);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.contact-info__hint {
    background: var(--bk-white);
    border-left: 3px solid var(--bk-green-dark);
    border-radius: 0 6px 6px 0;
    padding: 1.25rem 1.5rem;
    font-size: 0.9375rem;
    color: var(--bk-text);
    line-height: 1.7;
}

/* --- SKIP LINK --- */
.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    background: var(--bk-green-dark);
    color: var(--bk-white);
    padding: 0.75rem 1.5rem;
    border-radius: 0 0 8px 8px;
    z-index: 9999;
    font-size: 0.875rem;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 0;
}

/* --- SR ONLY --- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* --- EYEBROW --- */
.eyebrow {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--bk-green-dark);
    margin-bottom: 1rem;
}

/* ============================================
   LANDING PAGE STYLES
   ============================================ */

/* Trust bar */
.landing-trust {
    background: var(--bk-warm-gray);
    padding: 2rem 0;
    border-bottom: 1px solid rgba(88, 79, 72, 0.08);
}

.landing-trust__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    text-align: center;
}

@media (min-width: 768px) {
    .landing-trust__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.landing-trust__item strong {
    display: block;
    font-size: 1.125rem;
    color: var(--bk-green-dark);
    font-weight: 500;
}

.landing-trust__item span {
    font-size: 0.8125rem;
    color: var(--bk-text-muted);
}

/* Product cards */
.landing-products {
    background: var(--bk-white);
    padding: clamp(4rem, 8vw, 7rem) 0;
}

.landing-products h2 {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    margin-bottom: 3rem;
    max-width: 24ch;
}

.landing-products__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .landing-products__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.landing-product-card {
    background: var(--bk-warm-gray);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.landing-product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(42, 37, 34, 0.12);
}

.landing-product-card--featured {
    border: 2px solid var(--bk-green-dark);
    background: var(--bk-white);
}

.landing-product-card__badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--bk-green-dark);
    color: var(--bk-white);
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.375rem 0.875rem;
    border-radius: 9999px;
    z-index: 1;
    letter-spacing: 0.02em;
}

.landing-product-card__img {
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.landing-product-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.landing-product-card:hover .landing-product-card__img img {
    transform: scale(1.05);
}

.landing-product-card__body {
    padding: 1.5rem;
}

.landing-product-card__body h3 {
    font-size: 1.25rem;
    color: var(--bk-brown);
    margin-bottom: 0.25rem;
}

.landing-product-card__size {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--bk-green-dark);
    background: rgba(58, 128, 55, 0.08);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    margin-bottom: 0.75rem;
}

.landing-product-card__body p {
    font-size: 0.9375rem;
    color: var(--bk-text-muted);
    line-height: 1.6;
}

/* Process section — dark */
.landing-process {
    background: var(--bk-brown-dark);
    padding: clamp(4rem, 8vw, 7rem) 0;
}

.landing-process h2 {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    margin-bottom: 3rem;
}

.landing-process__steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .landing-process__steps {
        grid-template-columns: repeat(4, 1fr);
    }
}

.landing-process__step {
    padding: 1.5rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.landing-process__number {
    display: block;
    font-size: 2rem;
    font-weight: 500;
    color: var(--bk-green-light);
    margin-bottom: 0.75rem;
    line-height: 1;
}

.landing-process__step h3 {
    font-size: 1.125rem;
    color: var(--bk-white);
    margin-bottom: 0.5rem;
}

.landing-process__step p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.6;
}

/* Photo gallery strip */
.landing-gallery {
    padding: 0;
    overflow: hidden;
}

.landing-gallery__strip {
    display: flex;
    gap: 0;
}

.landing-gallery__strip picture {
    flex: 0 0 auto;
    width: calc(100% / 3);
    min-width: 280px;
}

.landing-gallery__strip img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    display: block;
}

/* CTA section — dark green */
.landing-cta {
    background: var(--bk-green-dark);
    padding: clamp(4rem, 8vw, 7rem) 0;
}

.landing-cta__layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: start;
}

@media (min-width: 768px) {
    .landing-cta__layout {
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
    }
}

.landing-cta__text h2 {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    margin-bottom: 1.5rem;
}

.landing-cta__text p {
    margin-bottom: 2rem;
    max-width: 48ch;
}

.landing-cta__trust-badges {
    display: flex;
    gap: 2rem;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.landing-cta .contact-form {
    background: var(--bk-white);
    border-radius: 16px;
    padding: 2rem;
}

.landing-cta .contact-form select {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    color: var(--bk-text);
    background: var(--bk-warm-gray);
    border: 2px solid transparent;
    border-radius: 8px;
    padding: 0.875rem 1.125rem;
    width: 100%;
    min-height: 52px;
    -webkit-appearance: none;
    appearance: none;
}

/* ============================================
   FIXES ROUND 3 — 2026-03-19
   Back-to-top, logo, leaves, partners, fancybox,
   contrast, border-radius, dark mode
   ============================================ */

/* --- BACK TO TOP BUTTON --- */
.back-to-top {
    position: fixed;
    bottom: 1.25rem;
    right: 1.25rem;
    z-index: 9000;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bk-brown);
    color: var(--bk-white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background 0.2s ease;
}

.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--bk-green-dark);
    transform: translateY(-2px);
}

.back-to-top:focus-visible {
    outline: 3px solid var(--bk-green-dark);
    outline-offset: 3px;
}

/* --- NAV LOGO: bigger + more prominent --- */
.site-header__logo img {
    height: 80px !important;
    width: auto;
    object-fit: contain;
    transition: height 0.3s ease;
}

.site-header.is-scrolled .site-header__logo img {
    height: 56px !important;
}

.site-header__logo {
    min-width: 180px;
    padding: 0.25rem 0;
}

/* Nav height to accommodate larger logo */
.site-header {
    height: 96px;
}

.site-header.is-scrolled {
    height: 72px;
}

/* Adjust body padding for taller nav */
body {
    padding-top: 96px;
}

/* --- DECORATIVE LEAVES: bigger --- */
.leaf-deco img {
    width: 100%;
    height: auto;
}

.hero .leaf-deco {
    width: clamp(400px, 45vw, 700px) !important;
    opacity: 0.08;
}

section .leaf-deco {
    width: clamp(300px, 35vw, 550px);
    opacity: 0.04;
}

/* --- PARTNER LOGOS: much bigger --- */
.partner-detail-card__logo {
    height: 80px;
    padding: 1rem 0;
}

.partner-detail-card__logo img {
    max-height: 80px !important;
    width: auto;
}

.partner-detail-card__logo-box img {
    max-height: 80px !important;
    width: auto;
}

/* Partners on startseite */
.partners__logo-img {
    max-height: 120px !important;
    width: auto;
}

.partners__grid {
    gap: 3rem;
}

/* --- BORDER RADIUS: consistent everywhere --- */
.products__card,
.app-detail-card,
.landing-product-card,
.partner-detail-card,
.info-split__image,
.process__photo,
.param-card {
    border-radius: 12px;
    overflow: hidden;
}

.products__card-image,
.app-detail-card__img,
.landing-product-card__img,
.info-split__image {
    border-radius: 12px 12px 0 0;
}

/* If card has image on top + content below, only top corners round */
.products__card img,
.app-detail-card__img img,
.landing-product-card__img img {
    border-radius: 0;
}

/* Standalone images get full rounding */
.info-split__image,
.process__photo {
    border-radius: 12px;
}

/* --- CONTRAST FIXES --- */

/* Green text on dark backgrounds — use white instead */
.site-footer h3 {
    color: var(--bk-white) !important;
    opacity: 0.9;
}

/* Eyebrows on dark sections: bright green for contrast on dark bg */
[class*="process"] .eyebrow,
.landing-process .eyebrow,
.landing-cta .eyebrow {
    color: #8BC34A !important;
}

/* Green buttons: ensure text contrast */
.btn--primary {
    background: var(--bk-green-dark);
    color: var(--bk-white);
}

/* Footer nav heading: white, not green */
.site-footer__nav h3,
.site-footer__legal-nav h3 {
    color: rgba(255, 255, 255, 0.9) !important;
    letter-spacing: 0.08em;
}

/* Stats labels on green: ensure sufficient contrast */
.stats__label {
    color: rgba(255, 255, 255, 0.85) !important;
}

/* Muted text: minimum contrast */
.form-field__hint,
.form-consent {
    color: var(--bk-text-muted);
}

/* --- DARK MODE IMPROVEMENTS --- */
html.a11y-dark .hero__content-box {
    background: rgba(0, 0, 0, 0.65);
}

html.a11y-dark .info-split,
html.a11y-dark .section-contact,
html.a11y-dark .landing-trust,
html.a11y-dark .section-infographic,
html.a11y-dark .carbon-cycle {
    background: #1A1714;
}

html.a11y-dark .carbon-cycle__track--fossil,
html.a11y-dark .carbon-cycle__track--vtc {
    background: #242019;
}

html.a11y-dark .carbon-cycle__node-label,
html.a11y-dark .carbon-cycle__ring-label,
html.a11y-dark .carbon-cycle__ring-sub {
    color: rgba(255, 255, 255, 0.85);
}

html.a11y-dark .carbon-cycle__ring-c {
    color: var(--bk-green-light);
}

html.a11y-dark .carbon-cycle__verdict--good span {
    color: var(--bk-green-light);
}

html.a11y-dark .vtc-pipeline {
    background: #0F0D0B;
}

html.a11y-dark .vtc-result {
    background: rgba(0,0,0,0.4);
}

html.a11y-dark .info-split--alt,
html.a11y-dark .section-params,
html.a11y-dark .section-sure,
html.a11y-dark .landing-products {
    background: #242019;
}

html.a11y-dark .site-footer {
    background: #0F0D0B;
}

html.a11y-dark .site-footer::before {
    background: var(--bk-green-dark);
}

html.a11y-dark .back-to-top {
    background: var(--bk-green-light);
    color: #1A1714;
}

html.a11y-dark .landing-trust__item strong {
    color: var(--bk-green-light);
}

html.a11y-dark .landing-trust__item span {
    color: rgba(232, 228, 222, 0.6);
}

html.a11y-dark .sure-block__badge {
    background: #242019;
    border-color: rgba(58, 128, 55, 0.2);
}

html.a11y-dark .contact-info__hint {
    background: #242019;
    border-left-color: var(--bk-green-dark);
}

html.a11y-dark p {
    color: #E8E4DE;
}

html.a11y-dark .eyebrow {
    color: var(--bk-green-light);
}

/* --- FANCYBOX TRIGGER STYLING --- */
a[data-fancybox] {
    display: block;
    position: relative;
    cursor: zoom-in;
}

a[data-fancybox]::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0);
    transition: background 0.2s ease;
    border-radius: inherit;
}

a[data-fancybox]:hover::after {
    background: rgba(0, 0, 0, 0.08);
}

/* ============================================
   DATA CARDS — Watermark Style (Variante B)
   Big number as watermark behind real value
   ============================================ */

/* Process parameters (on dark bg) */
.data-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-top: clamp(2rem, 4vw, 3rem);
}

@media (min-width: 768px) {
    .data-cards {
        grid-template-columns: repeat(4, 1fr);
    }
}

.data-card {
    position: relative;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 2rem 1.75rem;
    min-height: 160px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.data-card__watermark {
    position: absolute;
    top: -0.15em;
    right: -0.05em;
    font-size: clamp(5rem, 10vw, 8rem);
    font-weight: 700;
    line-height: 1;
    color: rgba(255, 255, 255, 0.06);
    pointer-events: none;
    font-family: 'Space Grotesk', sans-serif;
    letter-spacing: -0.05em;
}

.data-card__content {
    position: relative;
    z-index: 1;
}

.data-card__value {
    display: block;
    font-size: clamp(1.375rem, 2.5vw, 1.75rem);
    font-weight: 500;
    color: var(--bk-green-light);
    line-height: 1;
    margin-bottom: 0.375rem;
}

.data-card__label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 0.25rem;
}

.data-card__desc {
    display: block;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.70);
    line-height: 1.4;
}

.data-card__accent {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--bk-green-dark);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.data-card:hover .data-card__accent {
    opacity: 1;
}

/* Kennzahlen section (green bg) — Watermark V2 */
.stats-v2 {
    background: var(--bk-green-dark);
    padding: clamp(5rem, 10vw, 8rem) 0;
    position: relative;
    overflow: hidden;
}

.stats-v2__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .stats-v2__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stats-v2__card {
    position: relative;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: background 0.3s ease, transform 0.3s ease;
}

.stats-v2__card.fade-in-up {
    transition:
        opacity calc(var(--motion-reveal-duration) * 1s) var(--ease-out-expo),
        transform calc(var(--motion-reveal-duration) * 1s) var(--ease-out-expo),
        background 0.3s ease;
}

.stats-v2__card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.stats-v2__watermark {
    position: absolute;
    top: -0.1em;
    right: 0.05em;
    font-size: clamp(6rem, 12vw, 10rem);
    font-weight: 700;
    line-height: 1;
    color: rgba(255, 255, 255, 0.08);
    pointer-events: none;
    font-family: 'Space Grotesk', sans-serif;
    letter-spacing: -0.05em;
}

.stats-v2__card--badge .stats-v2__watermark {
    font-size: clamp(5rem, 10vw, 8rem);
    top: 0;
}

.stats-v2__body {
    position: relative;
    z-index: 1;
}

.stats-v2__value {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 500;
    line-height: 1;
    color: var(--bk-white);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.stats-v2__label {
    display: block;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--bk-white);
    margin-bottom: 0.25rem;
}

.stats-v2__sub {
    display: block;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.4;
}

/* Dark mode adjustments for stats */
html.a11y-dark .data-card {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.06);
}

html.a11y-dark .stats-v2 {
    background: var(--bk-green-dark-hover);
}

html.a11y-dark .stats-v2__card {
    background: rgba(0, 0, 0, 0.2);
}

/* --- HERO FIX: remove brown bar, image truly fullscreen --- */
.hero {
    min-height: 90vh;
    padding-top: 0;
    margin-top: -96px; /* Pull behind nav */
}

.hero__inner {
    padding-top: calc(96px + 3rem); /* Compensate for nav overlap */
    padding-bottom: clamp(3rem, 6vw, 5rem);
}