:root {
      --navy:       #060c18;
      --navy-2:     #0b1628;
      --navy-3:     #0f1e35;
      --navy-4:     #162540;
      --navy-5:     #1e304f;
      --cyan:       #22d3ee;
      --cyan-dim:   #0891b2;
      --cyan-glow:  rgba(34,211,238,0.12);
      --cyan-glow2: rgba(34,211,238,0.06);
      --white:      #f0f6ff;
      --white-dim:  #94a8c4;
      --white-mute: #4a6480;
      --orange:     #f97316;
    }

    *, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
    html { scroll-behavior: smooth; }
    body {
      background: var(--navy);
      color: var(--white);
      font-family: 'Barlow', sans-serif;
      font-size: 18px;
      line-height: 1.6;
      overflow-x: hidden;
    }

    /* ─── BRAND HIGHLIGHT ─── */
    .brand-highlight {
      color: var(--cyan) !important;
      font-weight: 900 !important;
      text-shadow: 0 0 14px rgba(34,211,238,0.55);
      background: linear-gradient(180deg, transparent 62%, rgba(34,211,238,0.22) 62%);
      padding: 0 2px;
      border-radius: 2px;
    }

    /* ─── SCROLLBAR ─── */
    ::-webkit-scrollbar { width: 6px; }
    ::-webkit-scrollbar-track { background: var(--navy-2); }
    ::-webkit-scrollbar-thumb { background: var(--cyan-dim); border-radius: 3px; }

    /* ─── HEADER ─── */
    header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: rgba(6, 12, 24, 0.95);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid rgba(34, 211, 238, 0.12);
      }
      .header-inner {
        max-width: 1240px;
        margin: 0 auto;
        padding: 0 2rem;
        height: 84px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
      }
      .logo-box { cursor: pointer; display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
      .logo-mark { display: flex; align-items: flex-start; gap: 3px; }
      .logo-script {
        font-family: 'Alex Brush', cursive;
        font-size: 2.6rem;
        line-height: 1;
        color: var(--cyan);
        position: relative;
        padding-bottom: 4px;
        text-shadow: 0 0 18px rgba(34,211,238,0.45);
      }
      .logo-script::after {
        content: '';
        position: absolute;
        left: 6%;
        right: 4%;
        bottom: 2px;
        height: 2px;
        background: linear-gradient(90deg, var(--cyan), transparent);
        border-radius: 2px;
        transform: skewX(-8deg);
      }
      .logo-reg {
        font-size: 0.75rem;
        color: var(--cyan);
        border: 1.5px solid var(--cyan);
        border-radius: 50%;
        width: 16px;
        height: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-top: 4px;
        flex-shrink: 0;
      }
      .logo-text { display: flex; flex-direction: column; gap: 1px; }
      .logo-main {
        font-family: "Barlow Condensed", sans-serif;
        font-size: 1.05rem;
        font-weight: 800;
        letter-spacing: 2px;
        text-transform: uppercase;
        color: var(--white);
        line-height: 1;
      }
      .logo-sub {
        font-size: 0.66rem;
        color: var(--white-dim);
        letter-spacing: 0.5px;
        text-transform: uppercase;
        line-height: 1;
      }
      .iso-badge {
        display: inline-block;
        margin-top: 3px;
        font-size: 0.62rem;
        font-weight: 700;
        letter-spacing: 1px;
        text-transform: uppercase;
        background: var(--cyan-glow);
        color: var(--cyan);
        border: 1px solid rgba(34, 211, 238, 0.3);
        padding: 1px 7px;
        border-radius: 3px;
      }
      nav {
        display: flex;
        gap: 0.25rem;
        align-items: center;
      }
      .nav-link {
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 0.45rem 0.9rem;
        border-radius: 8px;
        text-decoration: none;
        transition: background 0.2s, color 0.2s;
        border: 1px solid transparent;
      }
      .nav-link strong {
        display: block;
        font-family: "Barlow Condensed", sans-serif;
        font-size: 0.9rem;
        font-weight: 700;
        letter-spacing: 1.5px;
        text-transform: uppercase;
        color: var(--white-dim);
        transition: color 0.2s;
      }
      .nav-link span {
        font-size: 0.66rem;
        color: var(--white-mute);
        letter-spacing: 0.3px;
        transition: color 0.2s;
      }
      .nav-link:hover,
      .nav-link.active {
        background: var(--cyan-glow);
        border-color: rgba(34, 211, 238, 0.15);
      }
      .nav-link:hover strong,
      .nav-link.active strong {
        color: var(--cyan);
      }
      .nav-link:hover span,
      .nav-link.active span {
        color: rgba(34, 211, 238, 0.6);
      }
      .menu-btn {
        display: none;
        background: none;
        border: 1px solid rgba(34, 211, 238, 0.3);
        color: var(--cyan);
        padding: 6px 12px;
        border-radius: 6px;
        font-family: "Barlow Condensed", sans-serif;
        font-size: 0.95rem;
        font-weight: 700;
        letter-spacing: 1px;
        cursor: pointer;
        white-space: nowrap;
      }
    /* ─── HERO ─── */
    .hero {
      position: relative;
      min-height: 92vh;
      display: flex;
      align-items: center;
      overflow: hidden;
    }
    .hero-bg {
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse 80% 60% at 70% 50%, rgba(8,145,178,0.14) 0%, transparent 65%),
                  radial-gradient(ellipse 50% 40% at 10% 80%, rgba(34,211,238,0.06) 0%, transparent 60%),
                  var(--navy);
    }
    .hero-grid-lines {
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(34,211,238,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34,211,238,0.04) 1px, transparent 1px);
      background-size: 60px 60px;
      mask-image: radial-gradient(ellipse 100% 100% at 50% 50%, black 30%, transparent 80%);
    }
    .hero-inner {
      position: relative;
      z-index: 2;
      max-width: 1240px;
      margin: 0 auto;
      padding: 4rem 2rem;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 3rem;
      align-items: center;
      width: 100%;
    }
    .hero-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.8rem;
      font-weight: 600;
      letter-spacing: 2.5px;
      text-transform: uppercase;
      color: var(--cyan);
      margin-bottom: 1.2rem;
    }
    .hero-eyebrow::before {
      content: '';
      display: block;
      width: 24px;
      height: 2px;
      background: var(--cyan);
    }
    .hero-h1 {
      font-family: 'Barlow Condensed', sans-serif;
      font-size: clamp(2.8rem, 5.5vw, 4.6rem);
      font-weight: 900;
      line-height: 1.05;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 1.4rem;
    }
    .hero-h1 .line-accent { color: var(--cyan); }
    .hero-h1 .line-muted {
      color: var(--white-dim);
      font-weight: 400;
      font-size: 0.65em;
      letter-spacing: 3px;
      display: block;
      margin-bottom: 0.2em;
    }
    .hero-desc {
      font-size: 1.1rem;
      color: var(--white-dim);
      max-width: 480px;
      margin-bottom: 2rem;
      line-height: 1.75;
    }
    .hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.5rem; }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--cyan);
      color: var(--navy);
      padding: 0.8rem 1.9rem;
      border-radius: 8px;
      font-family: 'Barlow Condensed', sans-serif;
      font-size: 1rem;
      font-weight: 800;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      text-decoration: none;
      border: none;
      cursor: pointer;
      transition: background 0.2s, transform 0.15s;
    }
    .btn-primary:hover { background: #67e8f9; transform: translateY(-2px); }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: transparent;
      color: var(--white);
      padding: 0.8rem 1.9rem;
      border-radius: 8px;
      font-family: 'Barlow Condensed', sans-serif;
      font-size: 1rem;
      font-weight: 700;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      text-decoration: none;
      border: 1px solid rgba(255,255,255,0.2);
      cursor: pointer;
      transition: border-color 0.2s, color 0.2s, transform 0.15s;
    }
    .btn-outline:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-2px); }

    .hero-stats {
      display: flex;
      gap: 2rem;
      padding-top: 1.5rem;
      border-top: 1px solid rgba(34,211,238,0.1);
      flex-wrap: wrap;
    }
    .hero-stat-num {
      font-family: 'Barlow Condensed', sans-serif;
      font-size: 2.3rem;
      font-weight: 900;
      color: var(--cyan);
      line-height: 1;
    }
    .hero-stat-label {
      font-size: 0.78rem;
      color: var(--white-mute);
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-top: 2px;
    }

    /* ─── PRODUCT SHOWCASE / SLIDER ─── */
    .hero-right { position: relative; }
    .product-showcase {
      position: relative;
      background: var(--navy-3);
      border: 1px solid rgba(34,211,238,0.15);
      border-radius: 20px;
      overflow: hidden;
      padding: 2rem;
    }
    .showcase-label {
      position: absolute;
      top: 1rem;
      left: 1rem;
      font-size: 0.68rem;
      font-weight: 700;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: var(--cyan);
      background: var(--cyan-glow);
      border: 1px solid rgba(34,211,238,0.25);
      padding: 3px 10px;
      border-radius: 4px;
      z-index: 2;
    }
    .slides-container {
      position: relative;
      height: 280px;
      overflow: hidden;
      border-radius: 12px;
      background: rgba(15,30,53,0.8);
    }
    .slide-item {
      position: absolute;
      inset: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      transition: opacity 0.8s ease;
    }
    .slide-item.active { opacity: 1; }
    .slide-item img {
      max-height: 220px;
      max-width: 90%;
      object-fit: contain;
      filter: drop-shadow(0 8px 24px rgba(34,211,238,0.15));
    }
    .slide-caption {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      padding: 1rem;
      background: linear-gradient(to top, rgba(6,12,24,0.9), transparent);
    }
    .slide-caption h3 {
      font-family: 'Barlow Condensed', sans-serif;
      font-size: 1.1rem;
      font-weight: 700;
      letter-spacing: 1px;
      color: var(--white);
    }
    .slide-caption p { font-size: 0.78rem; color: var(--cyan); letter-spacing: 0.5px; }
    .slide-dots { display: flex; justify-content: center; gap: 6px; margin-top: 1rem; }
    .dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--white-mute);
      cursor: pointer;
      transition: background 0.3s, transform 0.3s;
    }
    .dot.active { background: var(--cyan); transform: scale(1.4); }
    .slide-nav {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: 0.75rem;
    }
    .slide-arrow {
      background: var(--navy-4);
      border: 1px solid rgba(34,211,238,0.2);
      color: var(--cyan);
      width: 32px;
      height: 32px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-size: 0.95rem;
      transition: background 0.2s, border-color 0.2s;
    }
    .slide-arrow:hover { background: var(--cyan-glow); border-color: var(--cyan); }
    .slide-counter {
      font-family: 'Barlow Condensed', sans-serif;
      font-size: 0.95rem;
      color: var(--white-dim);
      letter-spacing: 1px;
    }
    .slide-counter span { color: var(--cyan); font-weight: 700; }

    /* ─── TICKER ─── */
    .ticker { background: var(--cyan); padding: 10px 0; overflow: hidden; }
    .ticker-track {
      display: flex;
      gap: 0;
      white-space: nowrap;
      animation: ticker-scroll 28s linear infinite;
    }
    .ticker-track:hover { animation-play-state: paused; }
    .ticker-item {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      padding: 0 20px;
      font-family: 'Barlow Condensed', sans-serif;
      font-size: 0.9rem;
      font-weight: 700;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: var(--navy);
    }
    .ticker-dot {
      width: 4px;
      height: 4px;
      border-radius: 50%;
      background: var(--navy);
      opacity: 0.4;
    }
    @keyframes ticker-scroll {
      0%   { transform: translateX(0); }
      100% { transform: translateX(-50%); }
    }

    /* ─── SECTIONS ─── */
    .section {
      padding: 80px 2rem;
      max-width: 1240px;
      margin: 0 auto;
    }
    .section-full { padding: 80px 2rem; }
    .section-label {
      font-size: 0.76rem;
      font-weight: 700;
      letter-spacing: 3px;
      text-transform: uppercase;
      color: var(--cyan);
      margin-bottom: 0.6rem;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .section-label::before { content: ''; width: 20px; height: 2px; background: var(--cyan); }
    .section-h2 {
      font-family: 'Barlow Condensed', sans-serif;
      font-size: clamp(2rem, 3.8vw, 2.9rem);
      font-weight: 900;
      text-transform: uppercase;
      letter-spacing: 1px;
      line-height: 1.05;
      margin-bottom: 0.6rem;
    }
    .section-h2 span { color: var(--cyan); }
    .section-sub {
      font-size: 1.05rem;
      color: var(--white-dim);
      max-width: 520px;
      line-height: 1.7;
    }
    .section-header-row {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 2rem;
      margin-bottom: 2.5rem;
      flex-wrap: wrap;
    }

    /* ─── FEATURES ─── */
    .features-bg {
      background: var(--navy-2);
      border-top: 1px solid rgba(34,211,238,0.08);
      border-bottom: 1px solid rgba(34,211,238,0.08);
    }
    .features-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
    }
    .feature-card {
      background: var(--navy-3);
      border: 1px solid rgba(34,211,238,0.1);
      border-radius: 14px;
      padding: 1.8rem 1.4rem;
      transition: border-color 0.3s, transform 0.3s;
    }
    .feature-card:hover { border-color: var(--cyan); transform: translateY(-6px); }
    .feature-icon {
      width: 46px;
      height: 46px;
      background: var(--cyan-glow);
      border: 1px solid rgba(34,211,238,0.2);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 1.1rem;
    }
    .feature-card h3 {
      font-family: 'Barlow Condensed', sans-serif;
      font-size: 1.1rem;
      font-weight: 700;
      letter-spacing: 0.5px;
      text-transform: uppercase;
      margin-bottom: 0.5rem;
      color: var(--white);
    }
    .feature-card p { font-size: 0.95rem; color: var(--white-dim); line-height: 1.6; }

    /* ─── PRODUCT CATEGORIES ─── */
    .category-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.2rem;
    }
    .category-card {
      background: var(--navy-2);
      border: 1px solid rgba(34,211,238,0.08);
      border-radius: 14px;
      overflow: hidden;
      text-decoration: none;
      color: inherit;
      transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
      display: block;
    }
    .category-card:hover {
      border-color: rgba(34,211,238,0.4);
      transform: translateY(-6px);
      box-shadow: 0 16px 40px rgba(34,211,238,0.08);
    }
    .cat-image {
      height: 160px;
      background: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
      position: relative;
    }
    .cat-image img {
      max-height: 130px;
      max-width: 85%;
      object-fit: contain;
      transition: transform 0.4s ease;
      padding: 10px;
    }
    .category-card:hover .cat-image img { transform: scale(1.08); }
    .cat-badge {
      position: absolute;
      top: 8px;
      right: 8px;
      background: var(--navy);
      color: var(--cyan);
      font-size: 0.68rem;
      font-weight: 700;
      letter-spacing: 1px;
      text-transform: uppercase;
      padding: 3px 8px;
      border-radius: 4px;
      border: 1px solid rgba(34,211,238,0.25);
    }
    .cat-body { padding: 1rem 1.1rem; }
    .cat-body h3 {
      font-family: 'Barlow Condensed', sans-serif;
      font-size: 1.1rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      color: var(--cyan);
      margin-bottom: 0.3rem;
    }
    .cat-body p { font-size: 0.9rem; color: var(--white-dim); line-height: 1.5; }

    .more-products {
      text-align: center;
      margin-top: 2.5rem;
      padding: 2rem;
      background: var(--navy-2);
      border: 1px dashed rgba(34,211,238,0.2);
      border-radius: 14px;
    }
    .more-products p { color: var(--white-dim); font-size: 1rem; margin-bottom: 1.2rem; }

    /* ─── WHY US ─── */
    .why-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.2rem;
    }
    .why-item {
      display: flex;
      gap: 1.2rem;
      background: var(--navy-3);
      border: 1px solid rgba(34,211,238,0.08);
      border-radius: 14px;
      padding: 1.6rem;
      transition: border-color 0.3s;
    }
    .why-item:hover { border-color: rgba(34,211,238,0.25); }
    .why-icon {
      width: 42px;
      height: 42px;
      min-width: 42px;
      background: var(--cyan-glow);
      border: 1px solid rgba(34,211,238,0.2);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
    }
    .why-item h4 {
      font-family: 'Barlow Condensed', sans-serif;
      font-size: 1.05rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      color: var(--white);
      margin-bottom: 0.3rem;
    }
    .why-item p { font-size: 0.92rem; color: var(--white-dim); line-height: 1.6; }

    /* ─── CTA BANNER ─── */
    .cta-banner-wrap {
      padding: 0 2rem 80px;
      max-width: 1240px;
      margin: 0 auto;
    }
    .cta-banner {
      background: linear-gradient(135deg, var(--navy-4), var(--navy-3));
      border: 1px solid rgba(34,211,238,0.2);
      border-radius: 20px;
      padding: 3rem 3.5rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 2rem;
      position: relative;
      overflow: hidden;
    }
    .cta-banner::before {
      content: '';
      position: absolute;
      top: -80px;
      right: -80px;
      width: 300px;
      height: 300px;
      background: radial-gradient(circle, rgba(34,211,238,0.08), transparent 70%);
      pointer-events: none;
    }
    .cta-banner h3 {
      font-family: 'Barlow Condensed', sans-serif;
      font-size: 2.2rem;
      font-weight: 900;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 0.4rem;
    }
    .cta-banner h3 span { color: var(--cyan); }
    .cta-banner p { font-size: 1rem; color: var(--white-dim); }
    .cta-buttons { display: flex; gap: 1rem; flex-shrink: 0; flex-wrap: wrap; }

    /* ─── FOOTER ─── */
    footer {
      background: #030811;
      border-top: 1px solid rgba(34,211,238,0.08);
      padding: 60px 2rem 24px;
    }
    .footer-inner { max-width: 1240px; margin: 0 auto; }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.6fr;
      gap: 3rem;
      margin-bottom: 3rem;
    }
    .footer-brand {
      font-family: 'Barlow Condensed', sans-serif;
      font-size: 1.4rem;
      font-weight: 900;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: var(--cyan);
      margin-bottom: 0.8rem;
    }
    .footer-desc { font-size: 0.92rem; color: var(--white-mute); line-height: 1.75; margin-bottom: 1rem; }
    .footer-badges { display: flex; gap: 8px; flex-wrap: wrap; }
    .footer-badge {
      font-size: 0.68rem;
      font-weight: 700;
      letter-spacing: 1px;
      text-transform: uppercase;
      color: var(--cyan);
      border: 1px solid rgba(34,211,238,0.25);
      padding: 3px 9px;
      border-radius: 4px;
    }
    .footer-h {
      font-family: 'Barlow Condensed', sans-serif;
      font-size: 0.9rem;
      font-weight: 700;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: var(--white);
      margin-bottom: 1.2rem;
    }
    .footer-links { list-style: none; display: flex; flex-direction: column; gap: 8px; }
    .footer-links a { text-decoration: none; font-size: 0.95rem; color: var(--white-mute); transition: color 0.2s; }
    .footer-links a:hover { color: var(--cyan); }
    .footer-contact-item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 10px; }
    .footer-contact-item .icon { font-size: 0.95rem; margin-top: 1px; flex-shrink: 0; }
    .footer-contact-item p { font-size: 0.92rem; color: var(--white-mute); line-height: 1.5; }
    .newsletter-form { display: flex; flex-direction: column; gap: 8px; }
    .newsletter-input {
      background: var(--navy-3);
      border: 1px solid rgba(34,211,238,0.15);
      color: var(--white);
      padding: 0.65rem 0.9rem;
      border-radius: 8px;
      font-family: 'Barlow', sans-serif;
      font-size: 0.92rem;
      outline: none;
      transition: border-color 0.2s;
    }
    .newsletter-input::placeholder { color: var(--white-mute); }
    .newsletter-input:focus { border-color: var(--cyan); }
    .newsletter-btn {
      background: var(--cyan);
      color: var(--navy);
      border: none;
      padding: 0.65rem 1rem;
      border-radius: 8px;
      font-family: 'Barlow Condensed', sans-serif;
      font-size: 0.88rem;
      font-weight: 800;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      cursor: pointer;
      transition: background 0.2s;
    }
    .newsletter-btn:hover { background: #67e8f9; }
    .footer-bottom {
      border-top: 1px solid rgba(34,211,238,0.07);
      padding-top: 1.5rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      flex-wrap: wrap;
    }
    .footer-bottom p { font-size: 0.85rem; color: var(--white-mute); }
    .footer-bottom a { font-size: 0.85rem; color: var(--white-mute); text-decoration: none; transition: color 0.2s; }
    .footer-bottom a:hover { color: var(--cyan); }

    /* ══════════════════════════════════════
       RESPONSIVE BREAKPOINTS
    ══════════════════════════════════════ */

    /* ─── TABLET LANDSCAPE (≤1100px) ─── */
    @media (max-width: 1100px) {
      .features-grid { grid-template-columns: repeat(2, 1fr); }
      .category-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
    }

    @media (max-width: 768px) {
      nav {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        background: var(--navy-2);
        border-bottom: 1px solid rgba(34,211,238,0.12);
        padding: 1rem;
        gap: 0.4rem;
        z-index: 999;
      }
      nav.open { display: flex; }
      .nav-link { width: 100%; flex-direction: row; justify-content: flex-start; gap: 0.8rem; }
      .nav-link span { display: none; }
      .menu-btn { display: block; }

      /* Hero — stack vertically, slider still visible but smaller */
      .hero { min-height: auto; padding: 2rem 0; }
      .hero-inner {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 3rem 1.5rem;
      }
      .hero-h1 { font-size: clamp(2.2rem, 7.5vw, 3.2rem); }
      .hero-desc { max-width: 100%; }
      .hero-stats { gap: 1.2rem; }

      /* Slider — show but smaller */
      .slides-container { height: 220px; }
      .slide-item img { max-height: 160px; }
      .product-showcase { padding: 1.5rem; }

      /* Sections */
      .section { padding: 50px 1.5rem; }
      .cta-banner-wrap { padding: 0 1.5rem 50px; }
      .section-header-row { flex-direction: column; align-items: flex-start; gap: 1rem; }

      /* Features */
      .features-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }

      /* Why grid */
      .why-grid { grid-template-columns: 1fr; }

      /* CTA Banner */
      .cta-banner {
        flex-direction: column;
        align-items: flex-start;
        padding: 2rem;
      }
      .cta-banner h3 { font-size: 1.7rem; }
      .cta-buttons { width: 100%; }
      .cta-buttons a { flex: 1; text-align: center; justify-content: center; }

      /* Footer */
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
      .footer-bottom { flex-direction: column; text-align: center; }
      .footer-bottom div { flex-wrap: wrap; justify-content: center; }

      /* Compact header on tablet/mobile */
      .header-inner { height: 64px; }
      nav { top: 64px; max-height: calc(100vh - 64px); overflow-y: auto; }
      .logo-script { font-size: 1.8rem; }
    }

    /* ─── MOBILE (≤480px) ─── */
    @media (max-width: 480px) {
      .header-inner { padding: 0 1rem; gap: 0.6rem; }
      .logo-box { gap: 6px; min-width: 0; }
      .logo-sub { display: none; }
      .logo-main { font-size: 0.82rem; letter-spacing: 1px; }
      .iso-badge { font-size: 0.56rem; padding: 1px 5px; }
      .menu-btn { padding: 6px 10px; font-size: 0.85rem; flex-shrink: 0; }

      .hero-inner { padding: 2rem 1rem; }
      .hero-h1 { font-size: clamp(2rem, 8.5vw, 2.6rem); }
      .hero-ctas { flex-direction: column; }
      .hero-ctas a { text-align: center; justify-content: center; }
      .hero-stats { gap: 1rem; }
      .hero-stat-num { font-size: 1.7rem; }

      /* Slider compact */
      .slides-container { height: 180px; }
      .slide-item img { max-height: 130px; }

      /* Grids */
      .features-grid { grid-template-columns: 1fr; }
      .category-grid { grid-template-columns: 1fr; }

      /* Footer */
      .footer-grid { grid-template-columns: 1fr; }

      /* Section padding tighter */
      .section { padding: 40px 1rem; }
      .cta-banner-wrap { padding: 0 1rem 40px; }
      .cta-banner { padding: 1.5rem; }
      .cta-banner h3 { font-size: 1.3rem; }
    }
      @media (max-width: 480px) {
        .header-inner { height: 64px; padding: 0 0.85rem; gap: 0.5rem; }
        .logo-box { gap: 6px; min-width: 0; }
        nav { top: 64px; max-height: calc(100vh - 64px); }
        .logo-script { font-size: 1.8rem; }
        .logo-main { font-size: 0.72rem; letter-spacing: 1px; }
        .iso-badge { font-size: 0.54rem; padding: 1px 5px; }
        .menu-btn { padding: 6px 10px; font-size: 0.85rem; }}