:root {
    --navy-950: #081426;
    --navy-900: #0c1d38;
    --navy-800: #13294d;
    --white: #ffffff;
    --paper: #f5f6f8;
    --text-muted: #aab8cc;
    --text-muted-dark: #5b6b82;
    --line: rgba(255,255,255,0.22);
    --line-dark: rgba(8,20,38,0.14);
  }
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  html, body {
    margin: 0; padding: 0;
    background: var(--navy-950);
    font-family: 'Inter', sans-serif;
    color: var(--white);
    -webkit-font-smoothing: antialiased;
  }
  h1, h2, .display { font-family: 'Space Grotesk', sans-serif; }
  a { color: inherit; text-decoration: none; }
  img { max-width: 100%; display: block; }
  button { font-family: 'Inter', sans-serif; }

  .note-bar {
    background: var(--white);
    color: var(--navy-950);
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    padding: 8px 16px;
  }

  /* NAV */
  .site { position: relative; overflow: hidden; }
  .nav {
    position: absolute;
    top: 0; left: 0; right: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 28px 48px;
  }
  .logo img { height: 22px; display: block; }
  .menu { list-style: none; display: flex; gap: 36px; margin: 0; padding: 0; }
  .menu a {
    font-size: 14px;
    font-weight: 500;
    color: var(--white);
    padding-bottom: 4px;
    border-bottom: 1px solid transparent;
    transition: border-color .2s ease, opacity .2s ease;
  }
  .menu a:hover, .menu a:focus-visible { border-bottom-color: var(--white); outline: none; }
  .nav-right { display: flex; align-items: center; gap: 24px; }
  .lang-switch {
    display: flex; align-items: center; gap: 6px;
    font-size: 13px; font-weight: 600;
    border: 1px solid var(--line);
    border-radius: 999px; padding: 4px 5px;
  }
  .lang-switch button {
    background: transparent; border: none; color: var(--text-muted);
    font-size: 13px; font-weight: 600;
    padding: 5px 12px; border-radius: 999px; cursor: pointer;
    transition: background .2s ease, color .2s ease;
  }
  .lang-switch button.active { background: var(--white); color: var(--navy-950); }
  .lang-switch button:focus-visible { outline: 2px solid var(--white); outline-offset: 2px; }

  /* HERO */
  .hero {
    position: relative; min-height: 94vh;
    display: flex; flex-direction: column; justify-content: center;
    padding: 140px 48px 0; overflow: hidden;
  }
  .hero-media { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
  .hero-media video { width: 100%; height: 100%; object-fit: cover; display: block; }
  .hero-overlay {
    position: absolute; inset: 0; z-index: 1; pointer-events: none;
    background:
      linear-gradient(115deg, rgba(8,20,38,0.62) 0%, rgba(8,20,38,0.32) 35%, rgba(8,20,38,0.08) 58%, rgba(8,20,38,0.05) 100%),
      linear-gradient(180deg, rgba(8,20,38,0.24) 0%, rgba(8,20,38,0.02) 18%, rgba(8,20,38,0.05) 65%, rgba(8,20,38,0.85) 100%);
  }
  .hero-content { position: relative; z-index: 5; max-width: 600px; }
  .hero-card { padding: 0; }
  .eyebrow {
    display: inline-block; font-size: 12.5px; font-weight: 600;
    letter-spacing: 0.14em; text-transform: uppercase; color: var(--white);
    border: 1px solid rgba(255,255,255,0.55); border-radius: 999px; padding: 6px 14px; margin-bottom: 22px;
    text-shadow: 0 1px 12px rgba(0,0,0,0.5);
    backdrop-filter: blur(2px);
  }
  .eyebrow-dark { color: var(--navy-950); border-color: var(--line-dark); text-shadow: none; backdrop-filter: none; }
  h1 {
    font-size: 44px; line-height: 1.14; font-weight: 600; margin: 0 0 18px; letter-spacing: -0.01em;
    text-shadow: 0 2px 20px rgba(0,0,0,0.55), 0 1px 3px rgba(0,0,0,0.6);
  }
  .lead {
    font-size: 16.5px; line-height: 1.6; color: #eef2f7; max-width: 480px; margin: 0 0 28px;
    text-shadow: 0 1px 16px rgba(0,0,0,0.6), 0 1px 2px rgba(0,0,0,0.5);
  }
  .cta-row { display: flex; gap: 14px; flex-wrap: wrap; }
  .btn {
    font-size: 14.5px; font-weight: 600;
    padding: 14px 26px; border-radius: 6px; cursor: pointer; border: 1px solid transparent;
    transition: transform .15s ease, background .2s ease, color .2s ease;
    display: inline-block;
  }
  .btn:hover { transform: translateY(-1px); }
  .btn:focus-visible { outline: 2px solid var(--white); outline-offset: 2px; }
  .btn-primary { background: var(--white); color: var(--navy-950); }
  .btn-primary:hover { background: #dbe3ee; }
  .btn-ghost { background: rgba(255,255,255,0.08); color: var(--white); border-color: var(--line); }
  .btn-ghost:hover { border-color: var(--white); background: rgba(255,255,255,0.16); }

  .process-ticker {
    margin-top: 22px;
    font-size: 12px;
    letter-spacing: 0.02em;
    color: #d7e0ec;
    line-height: 1.6;
    text-shadow: 0 1px 12px rgba(0,0,0,0.65);
  }

  .watch-btn {
    position: absolute; z-index: 6; right: 48px; bottom: 128px;
    display: flex; align-items: center; gap: 10px;
    background: rgba(8,20,38,0.55);
    border: 1px solid var(--line);
    backdrop-filter: blur(6px);
    color: var(--white);
    padding: 10px 18px 10px 12px;
    border-radius: 999px;
    cursor: pointer;
    font-size: 13.5px; font-weight: 600;
    transition: background .2s ease, transform .15s ease;
  }
  .watch-btn:hover { background: rgba(8,20,38,0.8); transform: translateY(-1px); }
  .watch-btn .play-circle {
    width: 30px; height: 30px; border-radius: 50%; background: var(--white);
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  }
  .watch-btn .play-circle::after {
    content: ''; width: 0; height: 0;
    border-top: 6px solid transparent; border-bottom: 6px solid transparent;
    border-left: 10px solid var(--navy-950); margin-left: 2px;
  }

  .stats-bar { position: relative; z-index: 5; display: flex; border-top: 1px solid var(--line); margin-top: 40px; }
  .stat { flex: 1; padding: 22px 48px; border-right: 1px solid var(--line); }
  .stat:first-child { padding-left: 0; }
  .stat:last-child { border-right: none; }
  .stat .num { font-family: 'Space Grotesk', sans-serif; font-size: 26px; font-weight: 600; }
  .stat .label { font-size: 12.5px; color: var(--text-muted); margin-top: 2px; }

  /* VIDEO MODAL */
  .video-modal {
    position: fixed; inset: 0; z-index: 200;
    background: rgba(4,9,18,0.94);
    display: none; align-items: center; justify-content: center;
    padding: 40px;
  }
  .video-modal.open { display: flex; }
  .video-modal .modal-video-slot { width: min(1100px, 94vw); }
  .video-modal .modal-video-slot video { width: 100%; border-radius: 12px; display: block; }
  .modal-close {
    position: absolute; top: 26px; right: 32px;
    width: 44px; height: 44px; border-radius: 50%;
    background: rgba(255,255,255,0.1); border: 1px solid var(--line);
    color: var(--white); font-size: 22px; line-height: 1; cursor: pointer;
  }
  .modal-close:hover { background: rgba(255,255,255,0.2); }

  /* SECTIONS (generic) */
  section, footer.contacts { scroll-margin-top: 88px; }
  .section { padding: 110px 48px; position: relative; }
  .section-dark { background: var(--navy-950); color: var(--white); }
  .section-light { background: var(--paper); color: var(--navy-950); }
  .section-inner { max-width: 1200px; margin: 0 auto; }
  h2 { font-size: 36px; font-weight: 600; line-height: 1.2; margin: 0 0 18px; letter-spacing: -0.01em; }
  .section-lead { font-size: 16px; line-height: 1.65; max-width: 560px; }
  .section-light .section-lead { color: #3a4a60; font-size: 17.5px; line-height: 1.7; }
  .section-dark .section-lead { color: var(--text-muted); }

  .split { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 64px; align-items: center; }
  .split img { border-radius: 14px; width: 100%; height: 340px; object-fit: cover; }
  .split.align-start { align-items: start; }
  .history-collage {
    display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
  }
  .history-collage .tall { grid-column: 1 / -1; height: 260px !important; }
  .history-collage img { height: 190px !important; }
  .history-collage .loop-clip {
    grid-column: 1 / -1; width: 100%; height: 220px; object-fit: cover;
    border-radius: 14px; display: block;
  }

  .chip-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
  .chip { font-size: 12.5px; font-weight: 600; border-radius: 999px; padding: 8px 16px; border: 1px solid var(--line-dark); }
  .section-dark .chip { border-color: var(--line); }
  .section-light .chip { font-size: 13.5px; padding: 9px 17px; }

  .timeline { margin-top: 40px; display: flex; flex-direction: column; gap: 22px; }
  .tl-item { position: relative; padding-left: 26px; border-left: 2px solid var(--line-dark); padding-bottom: 4px; }
  .tl-item:last-child { border-left-color: transparent; }
  .tl-dot { position: absolute; left: -6px; top: 2px; width: 10px; height: 10px; border-radius: 50%; background: var(--navy-950); }
  .tl-title { font-family: 'Space Grotesk', sans-serif; font-size: 17.5px; font-weight: 600; margin-bottom: 5px; color: var(--navy-950); }
  .tl-desc { font-size: 15.5px; line-height: 1.6; color: #3a4a60; max-width: 460px; }

  .industries { margin-top: 44px; padding-top: 32px; border-top: 1px solid var(--line-dark); }
  .industries-title { font-size: 13px; font-weight: 600; color: var(--text-muted-dark); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 14px; }

  .principles-grid {
    margin-top: 64px; padding-top: 48px; border-top: 1px solid var(--line-dark);
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
  }
  .principle-num { font-family: 'Space Grotesk', sans-serif; font-size: 13px; font-weight: 600; color: var(--text-muted-dark); margin-bottom: 10px; }
  .principle h4 { font-family: 'Space Grotesk', sans-serif; font-size: 18px; font-weight: 600; margin: 0 0 9px; color: var(--navy-950); }
  .principle p { font-size: 15.5px; line-height: 1.6; color: #3a4a60; margin: 0; }

  .process-strip { margin-top: 56px; padding-top: 40px; border-top: 1px solid var(--line); }
  .process-strip-title { font-size: 13px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 18px; }
  .process-chips { display: flex; flex-wrap: wrap; gap: 10px; }
  .process-chips .chip { font-weight: 500; color: var(--text-muted); }

  /* SERVICES CARDS */
  .cards-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 44px; }
  .card {
    background: var(--navy-900); border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
  }
  .card .thumb { width: 100%; height: 160px; object-fit: cover; }
  .card .body { padding: 26px 28px 30px; }
  .card h3 { font-family: 'Space Grotesk', sans-serif; font-size: 19px; font-weight: 600; margin: 0 0 10px; }
  .card p { font-size: 14.5px; line-height: 1.6; color: var(--text-muted); margin: 0; }

  /* EQUIPMENT */
  .eq-banner {
    background: var(--navy-950); color: var(--white);
    text-align: center; padding: 20px 24px; border-radius: 12px; margin: 44px 0 40px;
    font-family: 'Space Grotesk', sans-serif; font-size: 18px; letter-spacing: 0.02em;
  }
  .eq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
  .eq-item img { width: 100%; height: 260px; object-fit: cover; border-radius: 12px; }
  .eq-item .cap { font-size: 14.5px; font-weight: 600; color: #3a4a60; margin-top: 12px; }

  /* CONTACTS / FOOTER */
  .contacts-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px; }
  .faq { margin-top: 40px; display: flex; flex-direction: column; gap: 18px; }
  .faq-item { border-top: 1px solid var(--line); padding-top: 16px; }
  .faq-item .q { font-weight: 600; font-size: 15px; margin-bottom: 6px; }
  .faq-item .a { font-size: 14px; color: var(--text-muted); line-height: 1.55; }
  .contact-card { background: var(--navy-900); border: 1px solid var(--line); border-radius: 14px; padding: 32px; }
  .contact-card .row { display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 14.5px; }
  .contact-card .row:last-of-type { border-bottom: none; }
  .contact-card .row span:first-child { color: var(--text-muted); }
  .contact-card img { border-radius: 10px; margin-bottom: 24px; height: 160px; object-fit: cover; width: 100%; }
  .contact-card .btn { width: 100%; margin-top: 22px; text-align: center; }

  .foot-bottom {
    max-width: 1200px; margin: 70px auto 0; padding-top: 26px; border-top: 1px solid var(--line);
    display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  }
  .foot-bottom img { height: 16px; opacity: 0.8; }
  .foot-menu { list-style: none; display: flex; gap: 26px; margin: 0; padding: 0; }
  .foot-menu a { font-size: 13px; color: var(--text-muted); }
  .foot-copy { font-size: 12.5px; color: var(--text-muted); }

  @media (max-width: 900px) {
    .menu { display: none; }
    .nav { padding: 20px 24px; }
    .hero { padding: 110px 24px 0; }
    .hero-card { padding: 26px 24px; }
    h1 { font-size: 30px; }
    .watch-btn { right: 24px; bottom: 150px; padding: 8px 14px 8px 8px; }
    .watch-btn span { display: none; }
    .stats-bar { flex-direction: column; }
    .stat { border-right: none; border-bottom: 1px solid var(--line); padding-left: 0; }
    .section { padding: 70px 24px; }
    .split, .contacts-grid, .cards-grid, .eq-grid, .principles-grid { grid-template-columns: 1fr; }
    h2 { font-size: 26px; }
  }
  @media (prefers-reduced-motion: reduce) { * { transition: none !important; } }