: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;
    }

    /* 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 20px;
      }

      .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 15px;
      }

      .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: 20px 20px 30px;
        overflow: visible !important;
        position: relative !important;
        min-height: auto !important;
        height: auto !important;
        display: block;
      }

      .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: 15px 15px 20px;
      }

      .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;
      }
    }


    @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);
    }

    @media (max-width: 1100px) {
      .mega-menu {
        display: none;
      }
    }