:root {
      --bg-dark: #021827;
      --accent-cyan: #00e0ff;
      --accent-mint: #00ffba;
      --text-soft: #b9d1e2;
      --text-strong: #f4fbff;
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      background: var(--bg-dark);
      color: #fff;
    }

    .klima-detail-page a {
      color: inherit;
      text-decoration: none;
    }

    .klima-detail-page .page-width {
      max-width: 1455px;
      margin: 0 auto;
      padding: 0 16px;
    }

    /* BREADCRUMB */
    .breadcrumb-wrapper {
      background: var(--bg-dark);
      padding-top: 76px;
      padding-bottom: 10px;
    }

    .breadcrumb {
      font-size: 12px;
      color: #8ea4bc;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .breadcrumb a {
      color: #d3e4ff;
    }

    .breadcrumb svg {
      width: 14px;
      height: 14px;
    }

    /* HERO */
    .hero {
      padding: 40px 0 60px;
      background:
        radial-gradient(circle at 0% 0%, rgba(0,179,255,0.16), transparent 55%),
        radial-gradient(circle at 100% 100%, rgba(0,255,170,0.16), transparent 55%),
        var(--bg-dark);
    }

    .hero-inner {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.2fr);
      gap: 40px;
      align-items: center;
    }

    .hero-category {
      font-size: 11px;
      letter-spacing: .22em;
      text-transform: uppercase;
      color: var(--accent-cyan);
      margin-bottom: 8px;
    }

    .hero-title {
      font-size: 32px;
      margin: 0 0 12px;
    }

    .hero-desc {
      font-size: 14px;
      color: var(--text-soft);
      line-height: 1.7;
      margin-bottom: 18px;
    }

    .hero-features {
      display: grid;
      grid-template-columns: repeat(2,minmax(0,1fr));
      gap: 10px;
      margin-bottom: 18px;
    }

    .hero-feature {
      display: flex;
      gap: 8px;
      padding: 8px 10px;
      border-radius: 14px;
      background: rgba(2,20,34,0.9);
      border: 1px solid rgba(0,255,255,0.15);
      box-shadow: 0 14px 40px rgba(0,0,0,0.7);
    }

    .hero-feature-icon {
      width: 22px;
      height: 22px;
      flex-shrink: 0;
      color: var(--accent-cyan);
    }

    .hero-feature-label {
      font-size: 10px;
      letter-spacing: .14em;
      text-transform: uppercase;
      color: #9fc4e6;
      margin: 0 0 2px;
    }

    .hero-feature-value {
      font-size: 12px;
      margin: 0;
    }

    .hero-cta {
      margin-top: 6px;
      padding: 10px 18px;
      border-radius: 999px;
      border: none;
      cursor: pointer;
      background: linear-gradient(120deg, var(--accent-cyan), var(--accent-mint));
      color: #02101f;
      font-size: 14px;
      font-weight: 600;
      box-shadow: 0 18px 45px rgba(0,196,255,0.7);
      transition: transform .18s ease, box-shadow .18s ease;
    }

    .hero-cta:hover {
      transform: translateY(-1px);
      box-shadow: 0 22px 52px rgba(0,196,255,0.9);
    }

    /* HERO SLIDER */
    .hero-media {
      position: relative;
    }

    .hero-slider {
      position: relative;
      overflow: hidden;
      border-radius: 24px;
      box-shadow: 0 24px 70px rgba(0,0,0,0.8);
      background: #05212e;
    }

    .hero-slides {
      display: flex;
      transition: transform 0.6s ease;
    }

    .hero-slide {
      min-width: 100%;
      max-width: 100%;
      flex-shrink: 0;
    }

    .hero-slide img {
      display: block;
      width: 100%;
      height: auto;
    }

    .hero-controls {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-top: 10px;
      gap: 10px;
    }

    .hero-arrow {
      border-radius: 999px;
      width: 32px;
      height: 32px;
      border: 1px solid rgba(188,218,242,0.5);
      background: rgba(2,22,36,0.85);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #dcecff;
      cursor: pointer;
      font-size: 18px;
    }

    .hero-counter {
      font-size: 12px;
      color: #d2e6ff;
      display: flex;
      align-items: baseline;
      gap: 4px;
      margin-bottom: 4px;
    }

    .hero-progress {
      width: 120px;
      height: 3px;
      border-radius: 999px;
      background: rgba(160,198,234,0.35);
      overflow: hidden;
    }

    .hero-progress-bar {
      width: 33%;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg,var(--accent-cyan),var(--accent-mint));
      transition: width .3s ease;
    }

    @media (max-width: 900px) {
      .hero-inner {
        grid-template-columns: minmax(0,1fr);
      }
      .hero-media {
        order: -1;
      }
    }

    @media (max-width: 600px) {
      .hero-features {
        grid-template-columns: minmax(0,1fr);
      }
    }

    /* ==== CLIMATE LAB ==== */
    .offitec-spec-lab {
      position: relative;
      padding: 60px 0 72px;
      background:
        radial-gradient(circle at 0% 0%, rgba(0, 185, 255, 0.32), transparent 55%),
        radial-gradient(circle at 100% 100%, rgba(0, 255, 186, 0.26), transparent 55%),
        #020e19;
      color: var(--text-strong);
      overflow: hidden;
    }

    .offitec-spec-lab::before {
      content: "";
      position: absolute;
      inset: -200px;
      background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
                        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
      background-size: 46px 46px;
      opacity: 0.45;
      mix-blend-mode: soft-light;
      pointer-events: none;
    }

    .offitec-spec-lab-inner {
      position: relative;
      z-index: 1;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 16px;
    }

    .offitec-spec-lab-headline {
      text-align: left;
      margin-bottom: 32px;
    }

    .offitec-spec-lab-eyebrow {
      font-size: 11px;
      letter-spacing: .22em;
      text-transform: uppercase;
      color: #59f1ff;
      margin-bottom: 8px;
    }

    .offitec-spec-lab-title {
      font-size: 26px;
      line-height: 1.25;
      margin: 0 0 6px;
    }

    .offitec-spec-lab-sub {
      font-size: 13px;
      color: var(--text-soft);
      max-width: 520px;
    }

    .offitec-spec-lab-stats {
      display: grid;
      grid-template-columns: repeat(4, minmax(0,1fr));
      gap: 14px;
      margin-bottom: 26px;
    }

    .offitec-stat-card {
      padding: 12px 12px 10px;
      border-radius: 16px;
      background: radial-gradient(circle at top left,
          rgba(0,255,255,0.16),
          rgba(2,16,32,0.96));
      border: 1px solid rgba(85,245,255,0.28);
      box-shadow: 0 16px 40px rgba(0,0,0,0.65);
    }

    .offitec-stat-label {
      font-size: 10px;
      letter-spacing: .18em;
      text-transform: uppercase;
      color: #9fd3ff;
      margin-bottom: 4px;
    }

    .offitec-stat-value {
      font-size: 17px;
      font-weight: 600;
      color: #ffffff;
    }

    .offitec-stat-extra {
      font-size: 11px;
      color: #c4e3ff;
      opacity: .85;
    }

    .offitec-spec-lab-grid {
      margin-top: 8px;
      display: grid;
      grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.8fr);
      gap: 20px;
    }

    .offitec-spec-nav {
      border-radius: 20px;
      background: rgba(2,18,34,0.92);
      border: 1px solid rgba(110,182,208,0.45);
      box-shadow: 0 18px 50px rgba(0,0,0,0.8);
      padding: 14px 12px;
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .offitec-spec-nav-title {
      font-size: 11px;
      letter-spacing: .16em;
      text-transform: uppercase;
      color: #8fbfea;
      margin: 0 0 6px 4px;
    }

    .offitec-spec-tab-btn {
      width: 100%;
      border-radius: 12px;
      border: none;
      background: transparent;
      color: #c6ddf1;
      font-size: 13px;
      padding: 8px 9px;
      text-align: left;
      display: flex;
      align-items: center;
      gap: 8px;
      cursor: pointer;
      transition: background .18s ease, color .18s ease, transform .18s ease;
    }

    .offitec-spec-tab-bullet {
      width: 6px;
      height: 6px;
      border-radius: 999px;
      background: rgba(148,190,255,0.8);
    }

    .offitec-spec-tab-btn.is-active {
      background: linear-gradient(120deg, rgba(0,186,255,0.24), rgba(0,255,190,0.18));
      color: #ffffff;
      transform: translateX(2px);
    }

    .offitec-spec-tab-btn.is-active .offitec-spec-tab-bullet {
      background: #00ffe0;
      box-shadow: 0 0 0 4px rgba(0,255,255,0.22);
    }

    .offitec-spec-panel-wrap {
      border-radius: 22px;
      background: radial-gradient(circle at top left,
          rgba(0,255,255,0.18),
          rgba(2,13,24,0.96));
      border: 1px solid rgba(104,210,241,0.4);
      box-shadow: 0 26px 70px rgba(0,0,0,0.9);
      padding: 14px 16px 16px;
      backdrop-filter: blur(18px);
    }

    .offitec-spec-panel-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 10px;
      gap: 8px;
    }

    .offitec-spec-panel-title {
      font-size: 15px;
      font-weight: 500;
    }

    .offitec-spec-panel-hint {
      font-size: 11px;
      color: #a9d3f2;
    }

    .offitec-spec-panel {
      display: none;
    }

    .offitec-spec-panel.is-active {
      display: block;
    }

    .offitec-spec-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 12px;
    }

    .offitec-spec-table th,
    .offitec-spec-table td {
      padding: 7px 8px;
    }

    .offitec-spec-table th {
      text-align: left;
      white-space: nowrap;
      color: #d5ebff;
      font-weight: 500;
    }

    .offitec-spec-table td {
      color: #e6f5ff;
    }

    .offitec-spec-table tr:nth-child(odd) td,
    .offitec-spec-table tr:nth-child(odd) th {
      background: rgba(0,0,0,0.16);
    }

    @media (max-width: 980px) {
      .offitec-spec-lab {
        padding: 40px 0 52px;
      }
      .offitec-spec-lab-grid {
        grid-template-columns: minmax(0,1fr);
      }
      .offitec-spec-nav {
        flex-direction: row;
        flex-wrap: wrap;
      }
      .offitec-spec-nav-title {
        width: 100%;
      }
    }

    @media (max-width: 640px) {
      .offitec-spec-lab-stats {
        grid-template-columns: repeat(2,minmax(0,1fr));
      }
    }