@font-face {
  font-family: 'Inter';
  src: url('../fonts/Inter-Variable.woff2') format('woff2-variations');
  font-weight: 100 900;
  font-display: swap;
  font-style: normal;
}


    :root {
        --dark: #0A1F1C;
        --brand-dark: #6B775A;
        --brand-light: #A8B38A;
        --green: var(--brand-dark);
        --light: #F8FAF9;
        --text: #1A1A1A;
        --gray: #7A7A7A;
        --card: #ffffff;
        --border: #e6e6e6;
        --radius: 18px;
        --shadow-lg: 0 24px 48px rgba(0, 0, 0, .08);
        --shadow-md: 0 12px 28px rgba(0, 0, 0, .07);
        --shadow-sm: 0 6px 16px rgba(0, 0, 0, .06);
        --gradient-brand: linear-gradient(90deg, var(--brand-dark), var(--brand-light));
        /* §14 — Responsive CSS Custom Properties */
        --section-padding-x: 60px;
        --section-padding-y: 60px;
        --card-padding: 40px;
        --grid-gap: 32px;
    }

    * {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    html,
    body {
        width: 100%;
    }

    img {
        display: block;
        max-width: 100%;
        height: auto;
    }

    video {
        display: block;
        max-width: 100%;
    }

    body {
        font-family: 'Inter', sans-serif;
        background: linear-gradient(180deg, #F8FAF9 0%, #F4F6F6 100%);
        color: var(--text);
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    /* Skip link for accessibility */
    .skip-link {
        position: absolute;
        left: -9999px;
        top: auto;
        width: 1px;
        height: 1px;
        overflow: hidden;
    }

    .skip-link:focus {
        left: 16px;
        top: 16px;
        width: auto;
        height: auto;
        background: #fff;
        color: #0A1F1C;
        padding: 8px 12px;
        border-radius: 8px;
        z-index: 1001;
    }

    header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        padding: 20px 60px;
        display: flex;
        align-items: center;
        gap: 20px;
        z-index: 1100;
        backdrop-filter: blur(14px);
        background: rgba(10, 31, 28, 0.45);
        transition: .25s;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        font-weight: 700;
    }

    header.shrink {
        padding: 12px 40px;
        background: rgba(10, 31, 28, 0.85);
    }

    header .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        color: #fff;
        font-size: 24px;
        font-weight: 800;
        text-decoration: none;
    }

    header .logo img {
        height: 34px;
        width: auto;
        display: block;
    }

    header .logo .brand-text {
        display: flex;
        flex-direction: column;
        line-height: 1;
    }

    header .logo .wordmark {
        letter-spacing: 0.4em;
        font-weight: 800;
        font-size: 20px;
    }

    header .logo .tagline {
        font-size: 9px;
        font-weight: 600;
        color: #d5dad5;
        opacity: .9;
        letter-spacing: .06em;
        margin-top: 2px;
    }

    .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;
    }

    .main-nav {
        flex: 1;
        display: flex;
        justify-content: center;
    }

    nav a {
        color: #eee;
        margin-left: 30px;
        text-decoration: none;
        font-size: 15px;
        position: relative;
        padding: 6px 2px;
    }

    nav a::after {
        content: "";
        position: absolute;
        left: 0;
        bottom: -2px;
        height: 2px;
        width: 0%;
        background: var(--brand-light);
        transition: width .25s ease;
    }

    nav a:hover {
        color: #fff;
    }

    nav a:hover::after,
    nav a.active::after {
        width: 100%;
    }

    .header-right {
        display: flex;
        align-items: center;
        gap: 5px;
    }

    .lang-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: transparent;
        color: #fff;
        border: 1px solid rgba(255, 255, 255, .55);
        border-radius: 999px;
        padding: 6px 10px;
        font-weight: 800;
        font-size: 12px;
        letter-spacing: .06em;
    }

    .lang-toggle:hover {
        border-color: #fff;
    }

    .btn-header-cta {
        background: var(--gradient-brand);
        color: #0A1F1C;
        padding: 8px 20px;
        border-radius: 999px;
        font-weight: 800;
        font-size: 13px;
        text-decoration: none;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-5px);
        transition: all 0.3s ease;
        white-space: nowrap;
    }

    .btn-header-cta.visible {
        opacity: 1;
        pointer-events: all;
        transform: translateY(0);
    }

    .btn-header-cta:hover {
        filter: brightness(1.1);
        transform: translateY(-1px);
    }

    .btn-header-cta1 {
        background: var(--gradient-brand);
        color: #0A1F1C;
        padding: 8px 20px;
        border-radius: 999px;
        font-weight: 800;
        font-size: 13px;
        text-decoration: none;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-5px);
        transition: all 0.3s ease;
        white-space: nowrap;
    }

    .btn-header-cta1.visible {
        opacity: 1;
        pointer-events: all;
        transform: translateY(0);
    }

    .btn-header-cta1:hover {
        filter: brightness(1.1);
        transform: translateY(-1px);
    }

    /* Hamburger button base */
    #menuToggle {
        appearance: none;
        -webkit-appearance: none;
        background: transparent;
        border: 0;
        padding: 0;
        width: 36px;
        height: 36px;
        display: none;
        cursor: pointer;
        align-items: center;
        justify-content: center;
        border-radius: 10px;
    }

    #menuToggle .bar {
        display: block;
        width: 28px;
        height: 2px;
        background: #fff;
        border-radius: 3px;
    }

    #menuToggle .bar+.bar {
        margin-top: 1px;
    }

    /* Mobile menu overlay */
    .mobile-menu {
        position: fixed;
        inset: 0;
        display: none;
        background: rgba(10, 31, 28, 0.96);
        color: #fff;
        z-index: 1001;
        padding: 90px 24px 24px;
    }

    .mobile-menu {
        display: none;
    }

    .mobile-menu a {
        display: block;
        color: #fff;
        text-decoration: none;
        font-size: 20px;
        padding: 14px 4px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    body.menu-open #mobileMenu {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    /* HERO overrides to span full width */
    .hero {
        position: relative;
        min-height: 100vh;
        min-height: 100svh;
        overflow: hidden;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        max-width: none;
        margin: 0;
        padding: 0;
    }

    .hero-bg {
        position: absolute;
        inset: 0;
        filter: brightness(0.55);
        transform: scale(1.18);
    }

    .hero-video {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        filter: brightness(0.55);
        transform: scale(1.18);
        pointer-events: none;
    }

    .hero-overlay {
        position: absolute;
        inset: 0;
        background: radial-gradient(1200px 600px at 50% 0%, rgba(168, 179, 138, 0.28) 0%, rgba(0, 0, 0, 0.0) 60%), linear-gradient(180deg, rgba(10, 31, 28, 0.55) 0%, rgba(10, 31, 28, 0.65) 60%, rgba(10, 31, 28, 0.8) 100%);
    }

    .hero-content {
        position: relative;
        z-index: 50;
        text-align: center;
        color: #fff;
        max-width: 1100px;
        padding: 20px;
        will-change: transform;
    }

    .hero h1 {
        font-size: 56px;
        font-weight: 900;
        letter-spacing: -0.02em;
    }

    .hero p {
        font-size: 20px;
        margin-top: 14px;
        opacity: .92;
    }

    .hero .actions {
        margin-top: 24px;
        display: flex;
        gap: 14px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        padding: 12px 18px;
        border-radius: 12px;
        font-weight: 700;
        text-decoration: none;
        transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
        max-width: 100%;
    }

    .btn-primary {
        background: var(--gradient-brand);
        color: #0b1410;
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        filter: brightness(1.05);
    }

    .btn-outline {
        border: 1px solid rgba(255, 255, 255, 0.5);
        color: #fff;
        background: rgba(255, 255, 255, 0.02);
    }

    .btn-outline:hover {
        border-color: #fff;
        transform: translateY(-2px);
    }

    section {
        padding: 60px 60px;
        margin: auto;
    }

    h2 {
        font-size: 40px;
        font-weight: 900;
        margin-bottom: 16px;
    }

    .subtitle {
        color: var(--gray);
        font-size: 18px;
        margin-bottom: 40px;
        text-align: center;
    }

    .grid-two {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 60px;
        max-width: 1300px;
        margin: auto;
    }

    .box {
        background: var(--card);
        padding: 40px;
        border-radius: var(--radius);
        border: 1px solid var(--border);
        box-shadow: var(--shadow-lg);
    }

    .box h3 {
        font-size: 28px;
        margin-bottom: 16px;
    }

    .box p {
        font-size: 16px;
        line-height: 1.6;
        color: #333;
    }

    /* Solutions - enhanced cards */
    .solution-card {
        position: relative;
        overflow: hidden;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .solution-card::before {
        content: "";
        position: absolute;
        right: -60px;
        top: -60px;
        width: 180px;
        height: 180px;
        background: radial-gradient(closest-side, rgba(168, 179, 138, .35), rgba(168, 179, 138, 0));
        filter: blur(2px);
        transition: transform 0.3s ease, opacity 0.3s ease;
    }

    .solution-card:hover {
        transform: translateY(-4px) !important;
        box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
    }

    .solution-card:hover::before {
        transform: scale(1.1);
        opacity: 0.5;
    }

    .sol-head {
        display: flex;
        align-items: center;
        gap: 14px;
        margin-bottom: 8px;
    }

    .sol-icon {
        width: 48px;
        height: 48px;
        border-radius: 12px;
        background: var(--gradient-brand);
        color: #0b1410;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: var(--shadow-sm);
        transition: transform 0.3s ease;
    }

    .solution-card:hover .sol-icon {
        transform: scale(1.08);
    }

    .sol-icon svg {
        width: 26px;
        height: 26px;
    }

    .solution-card .sol-points {
        margin: 16px 0 18px;
        padding-left: 0;
        list-style: none;
        display: grid;
        gap: 10px;
    }

    .solution-card .sol-points li {
        position: relative;
        padding-left: 26px;
        color: #26322d;
    }

    .solution-card .sol-points li::before {
        content: "";
        position: absolute;
        left: 0;
        top: 7px;
        width: 14px;
        height: 14px;
        border-radius: 4px;
        background: var(--brand-light);
        box-shadow: 0 0 0 1px rgba(0, 0, 0, .12) inset;
    }

    .solution-card .link-cta {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-weight: 800;
        color: #0b1410;
        text-decoration: none;
        border-bottom: 2px solid rgba(11, 20, 16, .2);
        padding-bottom: 2px;
    }

    .solution-card .link-cta:hover {
        border-color: rgba(11, 20, 16, .5);
    }

    /* Solutions section background same as refs */
    .solutions {
        background: linear-gradient(180deg, #eef2ef, #e8eeea);
    }

    .solutions-title {
        text-align: center;
        opacity: 0;
        transform: translateY(28px);
    }

    .solutions-subtitle {
        text-align: center;
        opacity: 0;
        transform: translateY(20px);
    }

    .solution-card {
        opacity: 0;
        transform: translateY(40px);
        transition: opacity 0.6s ease, transform 0.6s ease, box-shadow 0.3s ease;
    }

    .circular-title {
        text-align: center;
        opacity: 0;
        transform: translateY(28px);
    }

    /* Insulation Features section */
    .insulation-features {
        background: #fff;
        padding: 80px 60px;
        position: relative;
    }

    .insulation-features .inner {
        max-width: 1300px;
        margin: auto;
    }

    .insulation-title {
        font-size: 44px;
        font-weight: 900;
        text-align: center;
        color: #0a1f1c;
        margin: 0 0 24px;
        letter-spacing: -0.02em;
        line-height: 1.15;
        opacity: 0;
        transform: translateY(28px);
    }

    .insulation-subtitle {
        font-size: 18px;
        text-align: center;
        color: #4a5c56;
        margin: 0 0 60px;
        line-height: 1.7;
        max-width: 900px;
        margin-left: auto;
        margin-right: auto;
        font-weight: 500;
        opacity: 0;
        transform: translateY(20px);
    }

    .insulation-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 32px;
        position: relative;
    }

    .insulation-feature {
        position: relative;
        overflow: hidden;
        background: var(--card);
        padding: 36px;
        border-radius: var(--radius);
        border: 1px solid var(--border);
        box-shadow: var(--shadow-lg);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        opacity: 0;
        transform: translateY(40px);
    }

    .insulation-feature::before {
        content: "";
        position: absolute;
        right: -60px;
        top: -60px;
        width: 180px;
        height: 180px;
        background: radial-gradient(closest-side, rgba(168, 179, 138, .35), rgba(168, 179, 138, 0));
        filter: blur(2px);
        transition: transform 0.3s ease, opacity 0.3s ease;
    }

    .insulation-feature:hover {
        transform: translateY(-4px) !important;
        box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
    }

    .insulation-feature:hover::before {
        transform: scale(1.1);
        opacity: 0.5;
    }

    .insulation-feature__icon {
        width: 56px;
        height: 56px;
        border-radius: 12px;
        background: var(--gradient-brand);
        color: #0b1410;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 20px;
        box-shadow: var(--shadow-sm);
        transition: transform 0.3s ease;
    }

    .insulation-feature:hover .insulation-feature__icon {
        transform: scale(1.08);
    }

    .insulation-feature__icon svg {
        width: 28px;
        height: 28px;
    }

    .insulation-feature__title {
        font-size: 17px;
        font-weight: 900;
        color: #0a1f1c;
        margin: 0 0 14px;
        letter-spacing: 0.03em;
        text-transform: uppercase;
        line-height: 1.3;
    }

    .insulation-feature__desc {
        font-size: 15px;
        color: #4a5c56;
        line-height: 1.75;
        margin: 0;
        text-align: justify;
    }

    @media (max-width:1024px) {
        .insulation-features {
            padding: 70px 40px;
        }

        .insulation-title {
            font-size: 38px;
        }

        .insulation-subtitle {
            font-size: 17px;
            margin-bottom: 50px;
        }

        .insulation-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .insulation-feature {
            padding: 32px;
        }
    }

    @media (max-width:768px) {
        .insulation-features {
            padding: 60px 20px;
        }

        .insulation-title {
            font-size: 32px;
            margin-bottom: 20px;
        }

        .insulation-subtitle {
            font-size: 16px;
            margin-bottom: 40px;
            line-height: 1.6;
        }

        .insulation-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }

        .insulation-feature {
            padding: 28px;
        }

        .insulation-feature__icon {
            width: 52px;
            height: 52px;
            margin-bottom: 18px;
        }

        .insulation-feature__icon svg {
            width: 26px;
            height: 26px;
        }

        .insulation-feature__title {
            font-size: 16px;
            margin-bottom: 12px;
        }

        .insulation-feature__desc {
            font-size: 14px;
            line-height: 1.7;
        }
    }

    @media (max-width:480px) {
        .insulation-features {
            padding: 50px 15px;
        }

        .insulation-title {
            font-size: 26px;
            margin-bottom: 16px;
        }

        .insulation-subtitle {
            font-size: 15px;
            margin-bottom: 32px;
            line-height: 1.6;
        }

        .insulation-grid {
            gap: 20px;
        }

        .insulation-feature {
            padding: 24px;
        }

        .insulation-feature__icon {
            width: 48px;
            height: 48px;
            margin-bottom: 16px;
        }

        .insulation-feature__icon svg {
            width: 24px;
            height: 24px;
        }

        .insulation-feature__title {
            font-size: 15px;
            margin-bottom: 10px;
        }

        .insulation-feature__desc {
            font-size: 13px;
            line-height: 1.65;
        }
    }

    /* References marquee */
    .refs {
        padding: 0;
        margin-top: 0px;
    }

    .ref-strip {
        position: relative;
        width: 100vw;
        left: 50%;
        right: 50%;
        margin-left: -50vw;
        margin-right: -50vw;
        overflow: hidden;
        background: linear-gradient(180deg, #eef2ef, #e8eeea);
    }

    .ref-track {
        display: flex;
        align-items: center;
        gap: 180px;
        padding: 20px 32px;
        will-change: transform;
        transform: translateX(0);
    }

    .ref-item {
        flex: 0 0 auto;
        width: 180px;
        height: 110px;
        padding: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: hidden;
    }

    .ref-img {
        width: 100%;
        height: 100%;
        object-fit: contain;
        display: block;
        filter: grayscale(20%);
        transition: filter .2s ease, transform .2s ease;
    }

    .ref-item:hover .ref-img {
        filter: grayscale(0%);
        transform: scale(1.03);
    }

    /* Impact section */
    .impact {
        position: relative;
        padding: 50px 0;
        background: #fff;
    }

    .impact .impact-inner {
        max-width: 1300px;
        margin: auto;
        padding: 0 60px;
    }

    .impact-hero {
        display: grid;
        grid-template-columns: 1.05fr .95fr;
        gap: 48px;
        align-items: start;
    }

    .impact-title h2 {
        font-size: 48px;
        font-weight: 900;
        letter-spacing: -0.02em;
    }

    .impact-copy p {
        font-size: 18px;
        color: #333;
        line-height: 1.8;
    }

    .impact-features {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
        margin-top: 34px;
    }

    .feature-item {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .feature-icon {
        width: 56px;
        height: 56px;
        background: var(--brand-light);
        color: #0b1410;
        border-radius: 6px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .feature-icon svg {
        width: 28px;
        height: 28px;
    }

    .feature-title {
        font-weight: 900;
        letter-spacing: .02em;
    }

    .kpi-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 32px;
        margin-top: 44px;
    }

    .kpi-card {
        position: relative;
        background: linear-gradient(180deg, #0f201d 0%, #0b1714 100%);
        color: #e8efe9;
        border-radius: 14px;
        padding: 16px;
        border: 1px solid rgba(255, 255, 255, .10);
        box-shadow: 0 10px 24px rgba(0, 0, 0, .25), inset 0 0 0 1px rgba(255, 255, 255, .04);
        overflow: hidden;
        transition: transform .18s ease, box-shadow .18s ease;
    }

    .kpi-card:hover {
        transform: translateY(-2px);
        box-shadow: 0 16px 32px rgba(0, 0, 0, .3), inset 0 0 0 1px rgba(255, 255, 255, .05);
    }

    .kpi-card::after {
        content: "";
        position: absolute;
        inset: 0;
        background: repeating-linear-gradient(45deg, rgba(255, 255, 255, .05) 0 10px, rgba(255, 255, 255, .02) 10px 20px);
        opacity: .18;
        pointer-events: none;
    }

    .kpi-accent {
        position: absolute;
        left: 12px;
        right: 12px;
        top: 12px;
        height: 36px;
        background: var(--brand-light);
        border-radius: 8px;
        box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .08);
        transform-origin: 0 50%;
        transform: scaleX(0);
    }

    .kpi-number {
        position: absolute;
        left: 50%;
        top: 12px;
        transform: translateX(-50%);
        z-index: 2;
        font-weight: 900;
        font-size: 28px;
        color: #0b1410;
        letter-spacing: -.02em;
        font-variant-numeric: tabular-nums;
        height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
        width: calc(100% - 24px);
    }

    .kpi-number .unit {
        display: inline-block;
        margin-left: 10px;
        padding: 4px 8px;
        font-size: 13px;
        line-height: 1;
        background: rgba(11, 20, 16, .12);
        color: #0b1410;
        border-radius: 8px;
        border: 1px solid rgba(0, 0, 0, .12);
        font-weight: 800;
    }

    .kpi-caption {
        position: relative;
        margin-top: 68px;
        font-size: 15px;
        font-weight: 800;
        text-align: center;
    }

    .impact-essay {
        margin-top: 0;
        background: #fff;
        border: 1px solid #e7ece9;
        border-radius: 14px;
        box-shadow: var(--shadow-md);
        padding: 18px 22px 20px 22px;
        position: relative;
        text-align: justify;
    }

    .impact-essay::before {
        content: "";
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 6px;
        background: var(--gradient-brand);
        border-top-left-radius: 14px;
        border-bottom-left-radius: 14px;
    }

    .impact-essay h3 {
        margin: 0 0 10px;
        font-weight: 900;
        font-size: 16px;
        letter-spacing: .06em;
        text-transform: uppercase;
        color: #0a1f1c;
    }

    .impact-essay p {
        margin: 8px 0;
        color: #2b2b2b;
        line-height: 1.9;
    }

    .impact-cta {
        margin-top: -50px;
    }

    .impact-cta .btn {
        border-radius: 999px;
        padding: 14px 22px;
        font-weight: 900;
        letter-spacing: .02em;
        box-shadow: var(--shadow-lg);
        border: 0;
    }

    .impact-cta .btn.btn-primary {
        background: var(--gradient-brand);
        color: #0b1410;
    }

    .impact-cta .btn::after {
        content: "→";
        display: inline-block;
        margin-left: 10px;
        transition: transform .2s ease;
    }

    .impact-cta .btn:hover::after {
        transform: translateX(4px);
    }

    .impact-cta .btn:focus-visible {
        outline: 2px solid rgba(255, 255, 255, .8);
        outline-offset: 2px;
    }

    @media (max-width: 768px) {
        .impact-cta .btn {
            width: 100%;
            text-align: center;
            justify-content: center;
        }
    }

    /* Custom video player */
    .impact-video {
        margin-top: 16px;
    }

    .video-player {
        position: relative;
        border-radius: 14px;
        overflow: hidden;
        background: #000;
        box-shadow: var(--shadow-md);
        transition: transform .25s ease, width .25s ease, height .25s ease, bottom .25s ease, right .25s ease, left .25s ease, opacity .25s ease;
    }

    .video-player .video-el {
        width: 100%;
        height: auto;
        display: block;
        aspect-ratio: 16/9;
        background: #000;
    }

    .video-player .vp-play {
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        width: 76px;
        height: 76px;
        border-radius: 999px;
        border: 0;
        background: rgba(255, 255, 255, .9);
        color: #0b1410;
        font-weight: 900;
        font-size: 22px;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: var(--shadow-lg);
        cursor: pointer;
        transition: transform .15s ease, filter .2s ease;
        z-index: 3;
    }

    .video-player.is-playing .vp-play {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
    }

    .video-player .vp-play:hover {
        transform: translate(-50%, -50%) scale(1.06);
        filter: brightness(1.02);
    }

    .video-player .vp-controls {
        position: absolute;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, .65) 38%, rgba(0, 0, 0, .82) 100%);
        color: #fff;
        padding: 10px 12px 10px;
        opacity: 0;
        visibility: hidden;
        transition: opacity .18s ease;
        z-index: 2;
    }

    .video-player:hover .vp-controls,
    .video-player.controls-show .vp-controls,
    .video-player:not(.is-playing) .vp-controls {
        opacity: 1;
        visibility: visible;
    }

    .video-player .vp-close {
        position: absolute;
        right: 6px;
        top: 6px;
        z-index: 3;
        display: none;
        appearance: none;
        -webkit-appearance: none;
        border: 0;
        background: rgba(0, 0, 0, .55);
        color: #fff;
        padding: 6px 9px;
        border-radius: 10px;
        font-weight: 900;
        cursor: pointer;
        box-shadow: var(--shadow-sm);
    }

    .video-player .vp-close:hover {
        background: rgba(0, 0, 0, .75);
        transform: translateY(-1px);
    }

    .video-player.is-sticky {
        position: fixed;
        right: 18px;
        bottom: 18px;
        width: 360px;
        max-width: 44vw;
        z-index: 1200;
        border-radius: 12px;
        box-shadow: 0 18px 42px rgba(0, 0, 0, .35);
    }

    .video-player.is-sticky .vp-play {
        display: none;
    }

    .video-player.is-sticky .vp-close {
        display: inline-flex;
    }

    .vp-row {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .vp-row--progress {
        padding: 2px 0 8px;
        gap: 10px;
    }

    .vp-progress {
        position: relative;
        height: 8px;
        border-radius: 999px;
        background: rgba(255, 255, 255, .22);
        flex: 1;
        cursor: pointer;
        outline: none;
    }

    .vp-progress__buffer {
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 0%;
        background: rgba(255, 255, 255, .35);
        border-radius: 999px;
    }

    .vp-progress__bar {
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 0%;
        background: var(--gradient-brand);
        border-radius: 999px;
    }

    .vp-time {
        font-variant-numeric: tabular-nums;
        font-size: 12px;
        opacity: .92;
    }

    .vp-row--buttons {
        justify-content: space-between;
    }

    .vp-left,
    .vp-right {
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .vp-button {
        appearance: none;
        -webkit-appearance: none;
        border: 0;
        background: rgba(255, 255, 255, .12);
        color: #fff;
        padding: 8px 10px;
        border-radius: 10px;
        font-weight: 800;
        cursor: pointer;
        transition: transform .15s ease, background .2s ease;
    }

    .vp-button:hover {
        background: rgba(255, 255, 255, .2);
        transform: translateY(-1px);
    }

    .vp-volume {
        width: 90px;
    }

    .vp-speed {
        min-width: 48px;
        text-align: center;
    }

    .vp-menu {
        position: absolute;
        right: 12px;
        bottom: 56px;
        background: #121616;
        color: #fff;
        border: 1px solid rgba(255, 255, 255, .12);
        border-radius: 12px;
        padding: 6px;
        display: none;
        box-shadow: var(--shadow-lg);
    }

    .video-player.menu-open .vp-menu {
        display: block;
    }

    .vp-menu button {
        display: block;
        width: 100%;
        text-align: left;
        background: transparent;
        color: #fff;
        border: 0;
        padding: 8px 10px;
        border-radius: 8px;
        cursor: pointer;
        font-weight: 700;
    }

    .vp-menu button[aria-checked="true"] {
        background: rgba(255, 255, 255, .12);
    }

    .vp-menu button:hover {
        background: rgba(255, 255, 255, .1);
    }

    .video-player::cue {
        background: rgba(0, 0, 0, .6);
        color: #fff;
    }

    .video-player:focus-within .vp-controls {
        opacity: 1;
        visibility: visible;
    }

    @media (max-width:768px) {
        .vp-volume {
            width: 70px;
        }

        .video-player .vp-play {
            width: 64px;
            height: 64px;
            font-size: 20px;
        }

        .video-player.is-sticky {
            position: relative !important;
            left: auto !important;
            right: auto !important;
            bottom: auto !important;
            width: 100% !important;
            max-width: 100% !important;
            z-index: auto !important;
        }
    }

    @media (max-width: 1024px) {
        .impact .impact-inner {
            padding: 0 40px;
        }

        .impact-hero {
            gap: 28px;
        }

        .impact-title h2 {
            font-size: 42px;
        }
    }

    @media (max-width: 768px) {
        .impact {
            padding: 50px 0;
        }

        .impact .impact-inner {
            padding: 0 20px;
        }

        .impact-hero {
            grid-template-columns: 1fr;
            gap: 32px;
        }

        .impact-title h2 {
            font-size: 32px;
            line-height: 1.2;
        }

        .impact-video {
            margin-top: 12px;
        }

        .impact-essay {
            padding: 16px 18px 18px 18px;
            margin-top: 0;
        }

        .impact-essay p {
            font-size: 15px;
            line-height: 1.7;
            margin: 6px 0;
        }

        .impact-cta {
            margin-top: 24px;
        }

        .impact-cta .btn {
            padding: 12px 20px;
            font-size: 14px;
        }

        .impact-features {
            grid-template-columns: 1fr;
            gap: 18px;
        }

        .kpi-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .kpi-card {
            padding: 14px;
        }

        .kpi-number {
            font-size: 24px;
        }

        .kpi-caption {
            font-size: 14px;
            margin-top: 60px;
        }
    }

    @media (max-width: 480px) {
        .impact {
            padding: 40px 0;
        }

        .impact .impact-inner {
            padding: 0 15px;
        }

        .impact-hero {
            gap: 24px;
        }

        .impact-title h2 {
            font-size: 26px;
            line-height: 1.15;
        }

        .impact-video {
            margin-top: 10px;
        }

        .impact-essay {
            padding: 14px 16px 16px 16px;
        }

        .impact-essay p {
            font-size: 14px;
            line-height: 1.6;
            margin: 5px 0;
        }

        .impact-cta {
            margin-top: 20px;
        }

        .impact-cta .btn {
            padding: 10px 18px;
            font-size: 13px;
        }

        .kpi-grid {
            gap: 16px;
        }

        .kpi-card {
            padding: 12px;
        }

        .kpi-accent {
            left: 10px;
            right: 10px;
            top: 10px;
            height: 32px;
        }

        .kpi-number {
            font-size: 22px;
            height: 32px;
            top: 10px;
        }

        .kpi-caption {
            font-size: 13px;
            margin-top: 56px;
        }
    }

    /* Top scroll progress bar */
    #progressBar {
        position: fixed;
        left: 0;
        top: 0;
        height: 3px;
        width: 0%;
        background: var(--gradient-brand);
        z-index: 1000;
        transform-origin: 0 50%;
    }

    /* Footer */
    .site-footer {
        margin-top: 0;
        background: #0a1f1c;
        color: #e8efe9;
    }

    .site-footer .container {
        max-width: 1300px;
        margin: auto;
        padding: 60px 60px 24px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.3fr 1fr 1fr 1fr;
        gap: 36px;
    }

    .footer-brand {
        display: flex;
        gap: 12px;
        align-items: flex-start;
    }

    .footer-brand img {
        height: 36px;
        width: auto;
        max-width: 100%;
        object-fit: contain;
        flex-shrink: 0;
    }

    .footer-brand .brand-text {
        display: flex;
        flex-direction: column;
        line-height: 1;
        margin-top: 0;
        align-self: flex-start;
    }

    .footer-brand .wordmark {
        letter-spacing: 0.4em;
        font-weight: 800;
        font-size: 20px;
        color: #e8efe9;
    }

    .footer-brand .tagline {
        font-size: 9px;
        font-weight: 600;
        color: #d5dad5;
        opacity: .9;
        letter-spacing: .06em;
        margin-top: 2px;
    }

    .footer-brand {
        display: flex;
        gap: 20px;
    }

    .footer-brand .catchline {
        line-height: 1.5em;
        margin: 14px 0 10px;
        padding: 6px 0;
        font-weight: 800;
        font-size: 14px;
        letter-spacing: .02em;
        background: var(--gradient-brand);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }

    .footer-brand .social {
        display: flex;
        gap: 10px;
        margin-top: 4px;
    }

    .footer-brand .social a {
        width: 32px;
        height: 32px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: var(--gradient-brand);
        color: #0b1410;
        border-radius: 999px;
        box-shadow: var(--shadow-sm);
        transition: transform .2s ease, filter .2s ease;
    }

    .footer-brand .social a:hover {
        transform: translateY(-2px);
        filter: brightness(1.06);
    }

    .footer-brand .social svg {
        width: 18px;
        height: 18px;
        display: block;
    }

    .footer-col h4 {
        font-size: 14px;
        letter-spacing: .08em;
        text-transform: uppercase;
        color: #cfe1d6;
        margin-bottom: 12px;
    }

    .footer-col a {
        display: block;
        color: #e8efe9;
        text-decoration: none;
        opacity: .9;
        padding: 6px 0;
        font-size: 14px;
    }

    .footer-col a:hover {
        opacity: 1;
        color: #fff;
    }

    .footer-contact p {
        font-size: 14px;
        opacity: .9;
        padding: 6px 0;
    }

    .newsletter {
        display: flex;
        gap: 8px;
        margin-top: 8px;
    }

    .newsletter input {
        flex: 1;
        padding: 10px 12px;
        border-radius: 10px;
        border: 1px solid rgba(255, 255, 255, .18);
        background: rgba(255, 255, 255, .06);
        color: #fff;
    }

    .newsletter button {
        padding: 10px 14px;
        border-radius: 10px;
        border: 0;
        background: var(--gradient-brand);
        color: #0b1410;
        font-weight: 800;
    }

    .map-embed {
        margin-top: 8px;
        border: 1px solid rgba(255, 255, 255, .18);
        border-radius: 12px;
        overflow: hidden;
    }

    .map-embed iframe {
        width: 100%;
        height: 240px;
        border: 0;
        display: block;
    }

    .contact-list {
        list-style: none;
        margin: 8px 0 0;
        padding: 0;
        display: grid;
        gap: 12px;
    }

    .contact-list li {
        display: flex;
        align-items: flex-start;
        gap: 10px;
    }

    .contact-list .icon {
        color: #cfe1d6;
        line-height: 1;
        margin-top: 2px;
    }

    .contact-list a {
        color: #e8efe9;
        text-decoration: underline;
    }

    .contact-list a:hover {
        color: #fff;
    }

    .contact-list address {
        font-style: normal;
        color: #e8efe9;
    }

    .footer-bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-top: 1px solid rgba(255, 255, 255, .08);
        margin-top: 28px;
        padding-top: 18px;
        font-size: 13px;
        opacity: .9;
    }

    .footer-bottom a {
        color: #e8efe9;
        text-decoration: none;
        margin-left: 16px;
    }

    /* Footer products bullets */
    .footer-col:nth-of-type(3) a {
        position: relative;
        padding-left: 18px;
    }

    .footer-col:nth-of-type(3) a::before {
        content: "";
        position: absolute;
        left: 0;
        top: 50%;
        width: 8px;
        height: 8px;
        transform: translateY(-50%);
        background: var(--gradient-brand);
        border-radius: 2px;
        box-shadow: 0 0 0 1px rgba(255, 255, 255, .25) inset;
    }

    /* Footer about bullets */
    .footer-col:nth-of-type(2) a {
        position: relative;
        padding-left: 18px;
    }

    .footer-col:nth-of-type(2) a::before {
        content: "";
        position: absolute;
        left: 0;
        top: 50%;
        width: 8px;
        height: 8px;
        transform: translateY(-50%);
        background: var(--gradient-brand);
        border-radius: 2px;
        box-shadow: 0 0 0 1px rgba(255, 255, 255, .25) inset;
    }

    /* Footer about underline */
    .footer-col:nth-of-type(2) h4::after {
        content: "";
        display: block;
        width: 44px;
        height: 2px;
        margin-top: 8px;
        background: var(--gradient-brand);
        border-radius: 2px;
    }

    /* Footer products & contact underline */
    .footer-col:nth-of-type(3) h4::after {
        content: "";
        display: block;
        width: 44px;
        height: 2px;
        margin-top: 8px;
        background: var(--gradient-brand);
        border-radius: 2px;
    }

    .footer-col:nth-of-type(4) h4::after {
        content: "";
        display: block;
        width: 44px;
        height: 2px;
        margin-top: 8px;
        background: var(--gradient-brand);
        border-radius: 2px;
    }

    /* Circular economy section */
    .circular {
        background: linear-gradient(180deg, #eef2ef, #e8eeea);
        padding: 60px 60px;
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .circular .inner {
        max-width: 1300px;
        margin: auto;
        padding: 0 20px;
    }

    .circular .head {
        text-align: center;
        margin-bottom: 18px;
    }

    .circular .sub {
        color: var(--gray);
        margin-bottom: 40px;
        text-align: center;
    }

    /* Mobil görsel (desktop'ta gizli) */
    .cycle-mobile-image {
        display: none;
    }

    .cycle-mobile-image img {
        width: 100%;
        height: auto;
        max-width: 100%;
        display: block;
    }

    @media (max-width:768px) {
        .circular {
            padding: 30px 20px;
            overflow: visible !important;
            position: relative !important;
        }

        .circular .inner {
            padding: 0 15px;
        }

        /* Mobilde sadece görsel göster */
        .cycle-mobile-image {
            display: block;
            text-align: center;
            margin: 0 auto;
        }

        /* Desktop elementlerini mobilde gizle */
        .cycle-grid {
            display: none !important;
        }

        /* Mobilde scroll pin etkisini kaldır */
        .circular.is-pinned {
            position: relative !important;
            transform: none !important;
        }
    }

    @media (max-width:480px) {
        .circular {
            padding: 20px 15px;
        }

        .circular .inner {
            padding: 0 10px;
        }
    }

    @media (max-width:360px) {
        .circular {
            padding: 15px 10px;
        }

        .circular .inner {
            padding: 0 8px;
        }
    }

    .cycle-grid {
        display: grid;
        grid-template-columns: 1fr;
        justify-items: center;
        gap: 18px;
        align-items: center;
        position: relative;
    }

    .arroww {
        position: absolute;
        left: -30%;
        top: 10%;
        transform: translateY(-50%);
        z-index: 2;
        width: auto;
        height: auto;
        pointer-events: none;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    .arroww svg {
        width: 200px;
        height: 40px;
        display: block;
        max-width: 35vw;
    }

    .arroww h3 {
        font-size: 16px;
        margin: 8px 0 4px;
    }

    .arroww img {
        width: 48px;
        height: 48px;
    }

    @media (max-width:768px) {
        .arroww {
            left: 3%;
            top: 12%;
        }

        .arroww svg {
            width: 100px;
            height: 20px;
            max-width: 32vw;
        }

        .arroww h3 {
            font-size: 11px;
            margin: 3px 0 2px;
        }

        .arroww img {
            width: 28px;
            height: 28px;
        }
    }

    @media (max-width:480px) {
        .arroww {
            left: 1%;
            top: 10%;
        }

        .arroww svg {
            width: 75px;
            height: 15px;
            max-width: 38vw;
        }

        .arroww h3 {
            font-size: 9px;
            margin: 2px 0 1px;
        }

        .arroww img {
            width: 20px;
            height: 20px;
        }
    }

    @media (max-width:360px) {
        .arroww {
            left: 0%;
            top: 8%;
        }

        .arroww svg {
            width: 60px;
            height: 12px;
            max-width: 42vw;
        }

        .arroww h3 {
            font-size: 8px;
            margin: 1px 0 1px;
        }

        .arroww img {
            width: 16px;
            height: 16px;
        }
    }

    .cycle {
        position: relative;
        width: min(560px, 90vw);
        aspect-ratio: 1/1;
        margin: auto;
    }

    @media (max-width:768px) {
        .cycle {
            width: min(250px, 60vw);
        }
    }

    @media (max-width:480px) {
        .cycle {
            width: min(200px, 55vw);
        }
    }

    @media (max-width:360px) {
        .cycle {
            width: min(170px, 70vw);
        }
    }

    .cycle__svg {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
        z-index: 1;
    }

    .cycle__ring {
        position: absolute;
        inset: 0;
        border-radius: 50%;
        box-shadow: inset 0 0 0 14px rgba(22, 68, 60, .2), inset 0 0 0 1px rgba(0, 0, 0, .06);
        background: radial-gradient(closest-side, rgba(168, 179, 138, .12), transparent);
        display: none;
        /* SVG çember kullanıldığı için gizle */
    }

    .cycle__center {
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        text-align: center;
        width: 70%;
        color: #0a1f1c;
    }

    .cycle__center h2 {
        font-size: 32px;
        font-weight: 900;
        letter-spacing: -.01em;
        margin: 0;
    }

    .cycle__center .sub {
        margin-top: 8px;
        color: #33514a;
        font-weight: 700;
        font-size: 16px;
    }

    @media (max-width:768px) {
        .cycle__center {
            width: 85%;
        }

        .cycle__center h2 {
            font-size: 18px;
        }

        .cycle__center .sub {
            font-size: 11px;
            margin-top: 3px;
        }
    }

    @media (max-width:480px) {
        .cycle__center {
            width: 90%;
        }

        .cycle__center h2 {
            font-size: 16px;
        }

        .cycle__center .sub {
            font-size: 10px;
            margin-top: 2px;
        }
    }

    @media (max-width:360px) {
        .cycle__center {
            width: 95%;
        }

        .cycle__center h2 {
            font-size: 14px;
        }

        .cycle__center .sub {
            font-size: 9px;
            margin-top: 2px;
        }
    }

    .cycle__step {
        position: absolute;
        width: 58px;
        height: 58px;
        border-radius: 999px;
        background: var(--gradient-brand);
        color: #0b1410;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 900;
        box-shadow: var(--shadow-md);
        transform: translate(-50%, -50%);
        cursor: pointer;
        border: 0;
        font-size: 18px;
    }

    @media (max-width:768px) {
        .cycle__step {
            width: 40px;
            height: 40px;
            font-size: 13px;
        }
    }

    @media (max-width:480px) {
        .cycle__step {
            width: 34px;
            height: 34px;
            font-size: 11px;
        }
    }

    @media (max-width:360px) {
        .cycle__step {
            width: 28px;
            height: 28px;
            font-size: 10px;
        }
    }

    .cycle__step:focus-visible {
        outline: 3px solid rgba(168, 179, 138, .6);
        outline-offset: 3px;
    }

    .cycle__step[data-active="true"] {
        transform: translate(-50%, -50%) scale(1.12);
        z-index: 3;
        filter: brightness(1.05);
    }

    .cycle__arrow {
        position: absolute;
        width: 28px;
        height: 28px;
        transform: translate(-50%, -50%);
        color: var(--brand-dark);
        filter: drop-shadow(0 4px 8px rgba(0, 0, 0, .12));
        pointer-events: none;
        z-index: 2;
    }

    .cycle__arrow svg {
        width: 100%;
        height: 100%;
        display: block;
        fill: currentColor;
    }

    .cycle__tick {
        position: absolute;
        width: 22px;
        height: 22px;
        transform: translate(-50%, -50%);
        color: var(--brand-dark);
        opacity: .55;
        pointer-events: none;
        transition: transform .2s ease, opacity .2s ease;
        filter: drop-shadow(0 6px 10px rgba(0, 0, 0, .12));
    }

    .cycle__tick svg {
        width: 100%;
        height: 100%;
        display: block;
        fill: currentColor;
    }

    .cycle__tick[data-on="true"] {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.06);
    }

    .cycle-label {
        position: absolute;
        transform: translate(-50%, -50%);
        background: #fff;
        border: 1px solid var(--border);
        border-radius: 10px;
        padding: 6px 10px;
        box-shadow: var(--shadow-sm);
        font-size: 13px;
        font-weight: 800;
        color: #26322d;
        pointer-events: none;
        white-space: nowrap;
    }

    .cycle-label--outside {
        white-space: normal;
        text-align: left;
    }

    .cycle-label .icon {
        width: 32px;
        height: 32px;
        display: block;
        margin: 0 auto 6px auto;
        filter: grayscale(100%);
    }

    .cycle-label--outside .icon {
        margin: 0 8px 0 0;
        display: inline-block;
        vertical-align: middle;
    }

    .cycle-extra {
        position: absolute;
        transform: translate(-50%, -50%);
        background: #fff;
        border: 1px solid var(--border);
        border-radius: 10px;
        padding: 8px 12px;
        box-shadow: var(--shadow-sm);
        font-size: 14px;
        font-weight: 800;
        color: #26322d;
        white-space: normal;
        text-align: left;
    }

    .cycle-extra small {
        display: block;
        font-size: 12px;
        font-weight: 500;
        color: #4a5c56;
        margin-top: 2px;
    }

    .cycle-extra .icon {
        width: 34px;
        height: 34px;
        display: inline-block;
        margin-right: 8px;
        vertical-align: middle;
        filter: grayscale(100%);
    }

    .cycle-popup {
        position: absolute;
        transform: translate(-50%, -50%);
        z-index: 10;
        padding: 20px;
        max-width: 280px;
        opacity: 0;
        pointer-events: none;
        display: flex;
        align-items: center;
        gap: 12px;

    }

    .cycle-popup.visible {
        opacity: 1;
        pointer-events: auto;
    }

    .cycle-popup__image {
        flex-shrink: 0;
        height: 90px;
        border-radius: 8px;
        overflow: hidden;
    }

    .cycle-popup__image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }

    .cycle-popup__text {
        flex: 1;
        min-width: 0;
    }

    .cycle-popup__text h3 {
        font-size: 18px;
        font-weight: 900;
        color: #0a1f1c;
        margin: 0 0 8px;
        line-height: 1.2;
    }

    .cycle-popup__text p {
        font-size: 14px;
        color: #4a5c56;
        margin: 0;
        line-height: 1.5;
    }

    @media (max-width:768px) {
        .cycle-popup {
            max-width: 150px;
            padding: 10px;
            gap: 6px;
        }

        .cycle-popup__image {
            height: 40px;
        }

        .cycle-popup__text h3 {
            font-size: 11px;
            margin: 0 0 3px;
            line-height: 1.2;
        }

        .cycle-popup__text p {
            font-size: 10px;
            line-height: 1.3;
        }
    }

    @media (max-width:480px) {
        .cycle-popup {
            max-width: 120px;
            padding: 8px;
            gap: 5px;
        }

        .cycle-popup__image {
            height: 32px;
        }

        .cycle-popup__text h3 {
            font-size: 10px;
            margin: 0 0 2px;
            line-height: 1.1;
        }

        .cycle-popup__text p {
            font-size: 9px;
            line-height: 1.2;
        }
    }

    @media (max-width:360px) {
        .cycle-popup {
            max-width: 100px;
            padding: 6px;
            gap: 4px;
        }

        .cycle-popup__image {
            height: 28px;
        }

        .cycle-popup__text h3 {
            font-size: 9px;
            margin: 0 0 1px;
            line-height: 1.1;
        }

        .cycle-popup__text p {
            font-size: 8px;
            line-height: 1.2;
        }
    }

    .cycle-list {
        list-style: none;
        padding: 0;
        margin: 0;
        display: grid;
        gap: 12px;
    }

    .cycle-list li {
        display: flex;
        align-items: flex-start;
        gap: 12px;
    }

    .cycle-list button {
        appearance: none;
        -webkit-appearance: none;
        background: #f5f7f6;
        border: 1px solid var(--border);
        padding: 10px 12px;
        border-radius: 12px;
        font-weight: 800;
        cursor: pointer;
        display: flex;
        align-items: center;
        gap: 10px;
        width: 100%;
        text-align: left;
    }

    .cycle-list button .num {
        display: inline-flex;
        width: 26px;
        height: 26px;
        border-radius: 8px;
        background: var(--gradient-brand);
        color: #0b1410;
        align-items: center;
        justify-content: center;
        font-weight: 900;
    }

    .cycle-list button .ico {
        display: inline-flex;
        width: 28px;
        height: 28px;
        align-items: center;
        justify-content: center;
        color: #0b1410;
        background: #e7efe9;
        border-radius: 8px;
    }

    .cycle-list button .ico svg {
        width: 18px;
        height: 18px;
        display: block;
    }

    .cycle-list button:hover {
        transform: translateY(-1px);
        box-shadow: var(--shadow-sm);
    }

    .cycle-list button[aria-current="true"] {
        background: #eef3ef;
        border-color: #d7e3d7;
    }

    .cycle-detail {
        margin-top: 16px;
        background: #fff;
        border: 1px solid #e7ece9;
        border-radius: 14px;
        padding: 18px;
        box-shadow: var(--shadow-sm);
    }

    .cycle-detail h4 {
        font-size: 20px;
        font-weight: 900;
        margin: 0 0 6px;
    }

    .cycle-note {
        margin-top: 10px;
        font-size: 13px;
        color: #4a5c56;
    }

    @media (max-width: 1024px) {
        .cycle-grid {
            gap: 30px;
        }
    }

    @media (max-width: 768px) {
        .cycle-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .cycle__center h3 {
            font-size: 28px;
        }
    }

    /* Force-hide hamburger on desktop — base style (desktop-first §2.3) */
    #menuToggle {
        display: none;
    }

    @media (max-width: 1024px) {
        .hero h1 {
            font-size: 46px;
        }

        section {
            padding: 100px 40px;
        }

        .grid-two {
            gap: 40px;
        }

        .site-footer .container {
            padding: 50px 40px 20px;
        }

        .footer-grid {
            gap: 32px;
        }

        .footer-brand {
            gap: 16px;
        }

        .footer-brand img {
            height: 32px;
            max-width: 100%;
            object-fit: contain;
            flex-shrink: 0;
        }

        .footer-brand .wordmark {
            font-size: 18px;
        }

        .footer-brand .catchline {
            font-size: 13px;
        }

        .footer-col h4 {
            font-size: 13px;
        }

        .footer-col a {
            font-size: 13px;
        }

        .contact-list {
            gap: 10px;
        }

        .footer-bottom {
            flex-direction: row;
            flex-wrap: wrap;
            gap: 12px;
        }
    }

    @media (max-width: 768px) {

        .hero {
            height: 80vh;
        }

        .hero h1 {
            font-size: 34px;
        }

        .hero p {
            font-size: 17px;
        }

        section {
            padding: 70px 20px;
        }

        .grid-two {
            grid-template-columns: 1fr;
            gap: 22px;
        }

        .box {
            padding: 28px;
        }

        .ref-item {
            width: 150px;
            height: 96px;
        }

        .ref-track {
            gap: 56px;
        }

        .site-footer .container {
            padding: 40px 20px 20px;
        }

        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .footer-brand {
            flex-direction: row;
            gap: 12px;
            align-items: flex-start;
        }

        .footer-brand img {
            height: 30px;
            max-width: 100%;
            object-fit: contain;
            flex-shrink: 0;
        }

        .footer-brand .brand-text {
            margin-top: 0;
            align-self: flex-start;
        }

        .footer-brand .wordmark {
            font-size: 17px;
            letter-spacing: 0.3em;
        }

        .footer-brand .tagline {
            font-size: 8px;
        }

        .footer-brand .catchline {
            font-size: 12px;
            margin: 12px 0 8px;
        }

        .footer-brand .social {
            gap: 8px;
            margin-top: 8px;
        }

        .footer-brand .social a {
            width: 30px;
            height: 30px;
        }

        .footer-brand .social svg {
            width: 16px;
            height: 16px;
        }

        .footer-col h4 {
            font-size: 12px;
            margin-bottom: 10px;
        }

        .footer-col a {
            font-size: 13px;
            padding: 5px 0;
        }

        .contact-list {
            gap: 12px;
        }

        .contact-list li {
            flex-direction: row;
            align-items: flex-start;
        }

        .contact-list .icon {
            flex-shrink: 0;
            margin-top: 3px;
        }

        .contact-list a {
            font-size: 13px;
            word-break: break-word;
        }

        .contact-list address {
            font-size: 13px;
            line-height: 1.5;
        }

        .footer-bottom {
            flex-direction: row;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            padding-top: 16px;
            margin-top: 24px;
            font-size: 12px;
        }

        .footer-bottom>div {
            width: auto;
        }

        .footer-bottom a {
            display: inline-block;
            margin: 0 8px 0 0;
        }
    }

    @media (max-width: 480px) {
        .hero {
            height: 74vh;
        }

        .hero h1 {
            font-size: 28px;
        }

        .hero p {
            font-size: 16px;
        }




        .box {
            padding: 20px;
        }

        .ref-track {
            gap: 36px;
            padding: 14px 20px;
        }

        .ref-item {
            width: 130px;
            height: 84px;
        }

        .site-footer .container {
            padding: 35px 15px 18px;
        }

        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }

        .footer-brand {
            flex-direction: row;
            gap: 10px;
            align-items: flex-start;
        }

        .footer-brand img {
            height: 28px;
            max-width: 100%;
            object-fit: contain;
            flex-shrink: 0;
        }

        .footer-brand .brand-text {
            margin-top: 0;
            align-self: flex-start;
        }

        .footer-brand .wordmark {
            font-size: 16px;
            letter-spacing: 0.25em;
        }

        .footer-brand .tagline {
            font-size: 8px;
        }

        .footer-brand .catchline {
            font-size: 11px;
            margin: 10px -35px 8px;
            line-height: 1.4;
        }

        .footer-brand .social {
            gap: 8px;
            margin-top: 10px;
            margin-left: -35px;
        }

        .footer-brand .social a {
            width: 28px;
            height: 28px;
        }

        .footer-brand .social svg {
            width: 15px;
            height: 15px;
        }

        .footer-col h4 {
            font-size: 11px;
            margin-bottom: 8px;
        }

        .footer-col a {
            font-size: 12px;
            padding: 4px 0;
        }

        .contact-list {
            gap: 10px;
        }

        .contact-list li {
            flex-direction: row;
            align-items: flex-start;
            gap: 8px;
        }

        .contact-list .icon {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .contact-list .icon svg {
            width: 18px;
            height: 18px;
        }

        .contact-list a {
            font-size: 12px;
            word-break: break-word;
        }

        .contact-list address {
            font-size: 12px;
            line-height: 1.5;
        }

        .footer-bottom {
            flex-direction: row;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            padding-top: 14px;
            margin-top: 20px;
            font-size: 11px;
        }

        .footer-bottom>div {
            width: auto;
        }

        .footer-bottom a {
            display: inline-block;
            margin: 0 6px 0 0;
            padding: 2px 0;
        }
    }

    /* §11.1 — Azaltılmış Hareket Tercihi */
    @media (prefers-reduced-motion: reduce) {

        *,
        *::before,
        *::after {
            animation-duration: 0.01ms !important;
            animation-iteration-count: 1 !important;
            transition-duration: 0.01ms !important;
            scroll-behavior: auto !important;
        }
    }

    /* §11.4 — Focus Visible Stilleri */
    a:focus-visible,
    button:focus-visible {
        outline: 2px solid rgba(168, 179, 138, 0.8);
        outline-offset: 2px;
    }

    /* §11.2 — Hover sadece fare/trackpad cihazlarda */
    @media (hover: hover) and (pointer: fine) {
        .solution-card:hover {
            transform: translateY(-4px) !important;
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
        }

        .insulation-feature:hover {
            transform: translateY(-4px) !important;
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
        }
    }

    /* Mega Menu Styles */
    .nav-item {
        position: relative;
        display: inline-block;
        margin-left: 30px;
        vertical-align: middle;
        /* Fix vertical alignment */
    }

    .nav-item>a {
        margin-left: 0;
        padding: 6px 2px;
        /* Reset padding to standard nav link size */
        display: inline-block;
        vertical-align: middle;
    }

    /* Bridge for hover safety */
    .nav-item::after {
        content: '';
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        height: 40px;
        /* Bridge gap to menu */
        background: transparent;
    }

    .mega-menu {
        position: fixed;
        top: 58px;
        left: 0;
        width: 100vw;
        height: auto;
        min-height: 480px;
        padding: 50px 0;
        background: rgba(10, 31, 28, 0.95);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 1000;
        display: flex;
        justify-content: center;
        align-items: flex-start;
        box-shadow: 0 40px 80px rgba(0, 0, 0, 0.4);
    }

    .nav-item:hover .mega-menu,
    .mega-menu:hover {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .mega-menu-inner {
        max-width: 1400px;
        width: 100%;
        padding: 0 40px;
        display: grid;
        grid-template-columns: 1fr 240px;
        gap: 60px;
    }

    .mega-products {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        /* 5 columns */
        gap: 20px;
    }

    .mega-product-card {
        text-decoration: none;
        display: flex;
        flex-direction: column;
        align-items: center;
        background: rgba(255, 255, 255, 0.02);
        border-radius: 12px;
        padding: 24px 16px;
        border: 1px solid rgba(255, 255, 255, 0.05);
        transition: all 0.3s ease;
        height: 100%;
        position: relative;
        overflow: hidden;
    }

    .mega-product-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.05) 100%);
        opacity: 0;
        transition: opacity 0.3s;
    }

    .mega-product-card:hover {
        background: rgba(255, 255, 255, 0.05);
        transform: translateY(-8px);
        border-color: rgba(255, 255, 255, 0.15);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    }

    .mega-product-card:hover::before {
        opacity: 1;
    }

    .mega-card-img {
        width: 100%;
        aspect-ratio: 1/1;
        object-fit: contain;
        margin-bottom: 20px;
        filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.3));
        transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    }

    .mega-product-card:hover .mega-card-img {
        transform: scale(1.1) translateY(-5px);
    }

    .mega-card-title {
        font-size: 15px;
        font-weight: 800;
        color: #fff;
        margin-bottom: 6px;
        text-align: center;
        letter-spacing: 0.02em;
    }

    .mega-card-desc {
        font-size: 11px;
        color: rgba(255, 255, 255, 0.5);
        text-align: center;
        line-height: 1.4;
    }

    .mega-links {
        display: flex;
        flex-direction: column;
        border-left: 1px solid rgba(255, 255, 255, 0.1);
        padding-left: 40px;
        padding-top: 10px;
        justify-content: flex-start;
    }

    .mega-cat-title {
        font-size: 11px;
        text-transform: uppercase;
        letter-spacing: 0.1em;
        color: rgba(255, 255, 255, 0.4);
        margin-bottom: 20px;
        font-weight: 700;
    }

    .mega-link-item {
        display: block;
        color: rgba(255, 255, 255, 0.85);
        font-size: 15px;
        text-decoration: none;
        padding: 8px 0;
        margin-left: 0;
        /* Reset nav styles */
        transition: color 0.2s;
    }

    .mega-link-item:hover {
        color: #fff;
        transform: translateX(5px);
    }

    .mega-link-item.active {
        color: var(--brand-light);
    }

    /* Mobile Header Styles */
    @media (max-width: 1100px) {
        header {
            padding: 12px 20px !important;
            background: rgba(10, 31, 28, 0.95) !important;
            justify-content: space-between;
            font-weight: 700;
        }

        .mega-menu {
            display: none !important;
        }

        .main-nav {
            display: none !important;
        }

        header .logo {
            gap: 6px;
        }

        header .logo img {
            height: 22px;
        }

        header .logo .wordmark {
            font-size: 22px;
            letter-spacing: 0.25em;
        }

        header .logo .tagline {
            font-size: 9px;
        }

        .btn-header-cta,
        .btn-header-cta1 {
            padding: 6px 12px;
            font-size: 11px;
        }

        .lang-toggle {
            padding: 4px 8px;
            font-size: 10px;
        }

        #menuToggle {
            display: flex !important;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 26px;
            height: 26px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 0;
            z-index: 1002;
        }

        #menuToggle .bar {
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 3px;
            transition: all 0.3s ease;
            transform-origin: center;
        }

        #menuToggle .bar+.bar {
            margin-top: 0;
        }

        /* Hamburger Animation */
        body.menu-open #menuToggle .bar:nth-child(1) {
            transform: translateY(9px) rotate(45deg);
        }

        body.menu-open #menuToggle .bar:nth-child(2) {
            opacity: 0;
            transform: scale(0);
        }

        body.menu-open #menuToggle .bar:nth-child(3) {
            transform: translateY(-9px) rotate(-45deg);
        }

        body.menu-open {
            overflow: hidden;
            /* Prevent scrolling when menu is open */
        }



        #mobileProductSubmenu {
            display: none;
            /* Controlled by JS */
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            padding: 10px 0;
        }

        .mobile-product-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: flex-start;
            text-align: center;
            /* Transparent background by default to match dark menu */
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            padding: 16px 10px;
            text-decoration: none;
            transition: all 0.2s ease;
            height: 100%;
            background: rgba(255, 255, 255, 0.02);
        }

        .mobile-product-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        .mobile-product-img {
            width: 100px;
            height: auto;
            display: block;
            margin: 0 auto 12px;
            object-fit: contain;
        }

        .mobile-product-item span {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            line-height: 1.3;
            display: block;
            width: 100%;
        }

        .mobile-product-item span small {
            display: block;
            margin-top: 4px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 11px;
            font-weight: 400;
        }
    }

    .mobile-menu {
        position: fixed;
        inset: 0;
        display: none;
        background: rgba(10, 31, 28, 0.96);
        color: #fff;
        z-index: 1001;
        padding: 90px 24px 24px;
        overflow-y: auto;
        overscroll-behavior: contain;
    }

    .mobile-menu a {
        display: block;
        color: #fff;
        text-decoration: none;
        font-size: 20px;
        padding: 14px 4px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    body.menu-open #mobileMenu {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }