:root{
    --navy:#131D2C;
    --navy-2:#223450;
    --navy-3:#0e1622;
    --black:#040608;
    --gold:#DBC078;
    --gold-deep:#D0AD50;
    --gold-light:#E6D3A0;
    --ink:#EDEFF3;
    --ink-dim:#9aa7ba;
    --line: rgba(219,192,120,0.16);
    --radius-btn:8px;
    --radius-card:12px;
    --space-1:4px; --space-2:8px; --space-3:12px; --space-4:16px; --space-6:24px; --space-8:32px; --space-12:48px;
    font-size:16px;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    font-family:'Poppins', sans-serif;
    background:var(--navy);
    color:var(--ink);
    overflow-x:hidden;
  }
  a{color:inherit; text-decoration:none;}
  img{max-width:100%; display:block;}

  ::selection{ background:var(--gold); color:var(--navy); }

  .container{ max-width:1200px; margin:0 auto; padding:0 24px; }

  /* ---------- NAV ---------- */
  header{
    position:fixed; top:0; left:0; right:0; z-index:100;
    background:rgba(19,29,44,0.72);
    backdrop-filter:blur(14px);
    border-bottom:1px solid transparent;
    transition:border-color .3s ease, background .3s ease;
  }
  header.scrolled{ border-bottom-color:var(--line); background:rgba(19,29,44,0.92); }
  nav{
    display:flex; align-items:center; justify-content:space-between;
    padding:16px 24px; max-width:1200px; margin:0 auto;
  }
  .brand{ display:flex; align-items:center; gap:12px; }
  .logo-img{ width:36px; height:36px; object-fit:contain; filter:drop-shadow(0 2px 10px rgba(219,192,120,0.25)); }
  .brand-text{ display:flex; flex-direction:column; line-height:1.1; }
  .brand-tagline{
    font-size:.6rem; font-weight:300; letter-spacing:1.6px; text-transform:uppercase;
    color:var(--ink-dim); margin-top:2px;
  }
  .brand-name{ font-weight:600; font-size:1.15rem; letter-spacing:.2px; }
  .brand-name b{ font-weight:600; color:var(--gold); }
  .nav-links{ display:flex; gap:32px; align-items:center; }
  .nav-links a{
    font-size:.85rem; font-weight:500; color:var(--ink-dim);
    position:relative; transition:color .25s ease;
  }
  .nav-links a::after{
    content:""; position:absolute; left:0; bottom:-6px; width:0; height:2px;
    background:linear-gradient(90deg, var(--gold-light), var(--gold-deep));
    border-radius:2px; transition:width .3s ease;
  }
  .nav-links a:hover{
    background:linear-gradient(100deg, var(--gold-light), var(--gold) 50%, var(--gold-deep));
    -webkit-background-clip:text; background-clip:text; color:transparent;
  }
  .nav-links a:hover::after{ width:100%; }
  .nav-cta{
    display:inline-flex; align-items:center; gap:8px;
    background:linear-gradient(100deg, var(--gold-light), var(--gold) 45%, var(--gold-deep));
    background-size:200% 100%;
    color:var(--navy);
    font-weight:500; font-size:.85rem; letter-spacing:.4px;
    padding:10px 20px; border-radius:var(--radius-btn);
    transition:background-position .4s ease, transform .2s ease, box-shadow .25s ease;
  }
  .nav-cta:hover{ background-position:100% 0; transform:translateY(-1px); box-shadow:0 8px 22px -6px rgba(219,192,120,0.5); }

  .nav-auth{ display:flex; align-items:center; gap:14px; }
  .nav-login-btn{
    font-size:.82rem; font-weight:500; color:var(--ink);
    padding:9px 18px; border-radius:var(--radius-btn);
    border:1px solid rgba(237,239,243,0.22);
    background-image:linear-gradient(var(--navy), var(--navy)), linear-gradient(100deg, rgba(219,192,120,0.5), rgba(219,192,120,0.15));
    background-origin:border-box; background-clip:padding-box, border-box;
    border:1px solid transparent;
    transition:all .25s ease;
  }
  .nav-login-btn:hover{ color:var(--gold-light); transform:translateY(-1px); }
  .nav-user{
    display:flex; align-items:center; gap:8px; font-size:.85rem; font-weight:500; color:var(--gold-light);
  }
  .nav-user-dot{ width:7px; height:7px; border-radius:50%; background:#7fd88a; box-shadow:0 0 6px 1px rgba(127,216,138,0.6); flex:0 0 auto; }
  .nav-logout{ font-size:.8rem; color:var(--ink-dim); transition:color .2s ease; }
  .nav-logout:hover{ color:#e0b25a; }

  /* ---------- Mobile menu ---------- */
  .menu-toggle{
    display:none; flex-direction:column; justify-content:center; gap:5px;
    width:38px; height:38px; background:transparent; border:1px solid var(--line);
    border-radius:8px; cursor:pointer; padding:0; align-items:center;
  }
  .menu-toggle span{
    display:block; width:18px; height:2px; background:var(--gold-light);
    border-radius:2px; transition:transform .3s ease, opacity .3s ease;
  }
  .menu-toggle.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
  .menu-toggle.open span:nth-child(2){ opacity:0; }
  .menu-toggle.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

  .mobile-panel{
    display:none;
    max-height:0; overflow:hidden;
    flex-direction:column;
    background:rgba(19,29,44,0.98); backdrop-filter:blur(14px);
    border-top:1px solid transparent;
    transition:max-height .35s ease, border-color .35s ease;
  }
  .mobile-panel.open{ max-height:520px; border-top-color:var(--line); }
  .mobile-panel a{
    padding:16px 24px; font-size:.9rem; font-weight:500; color:var(--ink-dim);
    border-bottom:1px solid rgba(255,255,255,0.05);
  }
  .mobile-panel a:hover{ color:var(--gold-light); }
  .mobile-panel-divider{ height:1px; background:var(--line); margin:4px 0; }
  .mobile-panel-user{ display:flex; align-items:center; gap:8px; color:var(--gold-light) !important; }
  .mobile-panel .nav-cta{ margin:14px 24px; display:flex; justify-content:center; }

  .hero-finder{
    display:flex; align-items:center; gap:10px; max-width:480px;
    background:rgba(34,52,80,0.55); border:1px solid var(--line); backdrop-filter:blur(8px);
    border-radius:var(--radius-btn); padding:8px 8px 8px 16px; margin-bottom:32px;
    opacity:0; animation:fadeUp .8s ease forwards .62s;
  }
  .hero-finder svg{ width:16px; height:16px; color:var(--gold-light); flex:0 0 auto; }
  .hero-finder input{
    flex:1; background:transparent; border:none; outline:none; color:var(--ink);
    font-family:inherit; font-size:.85rem;
  }
  .hero-finder input::placeholder{ color:#7c879a; }
  .hero-finder button{
    border:none; cursor:pointer; font-family:inherit;
    background:linear-gradient(100deg, var(--gold-light), var(--gold) 45%, var(--gold-deep));
    background-size:200% 100%;
    color:var(--navy); font-weight:600; font-size:.8rem;
    padding:10px 18px; border-radius:6px; transition:background-position .3s ease;
  }
  .hero-finder button:hover{ background-position:100% 0; }

  /* ---------- HERO ---------- */
  .hero{
    position:relative;
    min-height:100vh;
    display:flex; align-items:center;
    padding:140px 0 100px;
    background:#0b1420;
    overflow:hidden;
  }
  .hero-bg{
    position:absolute; inset:-10%; z-index:0;    background:
      radial-gradient(ellipse 60% 50% at 18% 20%, #2f4d78 0%, transparent 65%),
      radial-gradient(ellipse 55% 55% at 85% 15%, #1e3a5f 0%, transparent 60%),
      radial-gradient(ellipse 70% 60% at 50% 85%, #16263c 0%, transparent 65%),
      linear-gradient(180deg, #0e1a29 0%, #131D2C 55%, #0a1119 100%);
    background-size:180% 180%, 160% 160%, 150% 150%, 100% 100%;
    animation:heroDrift 22s ease-in-out infinite;
    filter:saturate(1.05);
  }
  .hero-bg::after{
    content:""; position:absolute; inset:0;
    background:radial-gradient(ellipse 900px 500px at 82% 8%, rgba(219,192,120,0.10), transparent 62%);
    animation:glowPulse 7s ease-in-out infinite;
  }
  @keyframes heroDrift{
    0%{ background-position:0% 30%, 100% 10%, 40% 100%, 0 0; }
    50%{ background-position:30% 60%, 70% 40%, 60% 70%, 0 0; }
    100%{ background-position:0% 30%, 100% 10%, 40% 100%, 0 0; }
  }
  @keyframes glowPulse{
    0%,100%{ opacity:.7; } 50%{ opacity:1; }
  }
  .hero > .container{ position:relative; z-index:2; }

  .hero-datastream{
    position:absolute; inset:0; z-index:1; display:flex; justify-content:space-between;
    padding:0 4%; overflow:hidden; opacity:.55;
    mask-image:linear-gradient(180deg, transparent, rgba(0,0,0,.5) 15%, rgba(0,0,0,.5) 85%, transparent);
    -webkit-mask-image:linear-gradient(180deg, transparent, rgba(0,0,0,.5) 15%, rgba(0,0,0,.5) 85%, transparent);
  }
  .ds-col{
    display:flex; flex-direction:column; gap:34px;
    font-family:'Poppins', monospace; font-size:.7rem; letter-spacing:.4px;
    color:rgba(219,192,120,0.5); white-space:nowrap;
  }
  .ds-col span{ opacity:.7; }
  .ds-col-1{ animation:dsScroll 34s linear infinite; }
  .ds-col-2{ animation:dsScroll 44s linear infinite; animation-delay:-8s; opacity:.7; }
  .ds-col-3{ animation:dsScroll 38s linear infinite; animation-delay:-20s; opacity:.5; }
  @media (max-width: 920px){ .ds-col-3{ display:none; } }
  @media (max-width: 600px){ .ds-col-2{ display:none; } }
  @keyframes dsScroll{
    from{ transform:translateY(0); }
    to{ transform:translateY(-50%); }
  }

  .finder-status{
    display:flex; align-items:center; gap:10px; flex-wrap:wrap;
    font-size:.75rem; color:var(--ink-dim); margin-bottom:36px; margin-top:-16px;
    opacity:0; animation:fadeUp .8s ease forwards .74s;
  }
  .finder-status-dot{
    width:6px; height:6px; border-radius:50%; background:#7fd88a; flex:0 0 auto;
    box-shadow:0 0 6px 1px rgba(127,216,138,0.6); animation:blinkDot 1.6s ease-in-out infinite;
  }
  @keyframes blinkDot{ 0%,100%{ opacity:1; } 50%{ opacity:.35; } }
  .finder-status-text{ min-width:150px; transition:opacity .25s ease; }
  .finder-status-count{ color:var(--gold-light); font-variant-numeric:tabular-nums; }
  .finder-status-count::before{ content:"·"; color:var(--ink-dim); margin-right:10px; }
  .hero-grid{
    display:grid; grid-template-columns:1.05fr 0.95fr; gap:40px; align-items:center;
    width:100%;
  }
  .eyebrow{
    font-size:.75rem; font-weight:300; letter-spacing:2px; text-transform:uppercase;
    color:var(--gold-light); display:flex; align-items:center; gap:10px; margin-bottom:22px;
    opacity:0; animation:fadeUp .7s ease forwards .1s;
  }
  .eyebrow::before{ content:""; width:26px; height:1px; background:var(--gold); display:inline-block; }
  .hero h1{
    font-size:clamp(2.4rem, 5vw, 3.9rem);
    font-weight:600; line-height:1.12; letter-spacing:-.5px;
    margin-bottom:24px;
    opacity:0; animation:fadeUp .8s ease forwards .25s;
  }
  .hero h1 span{
    background:linear-gradient(100deg, var(--gold-light), var(--gold) 45%, var(--gold-deep));
    -webkit-background-clip:text; background-clip:text; color:transparent;
  }
  .hero p.lead{
    font-size:1.05rem; font-weight:400; line-height:1.7; color:var(--ink-dim);
    max-width:520px; margin-bottom:36px;
    opacity:0; animation:fadeUp .8s ease forwards .4s;
  }
  .hero-ctas{ display:flex; gap:16px; flex-wrap:wrap; margin-bottom:48px;
    opacity:0; animation:fadeUp .8s ease forwards .55s; }
  .btn-primary, .btn-secondary{
    font-size:.875rem; font-weight:500; letter-spacing:.4px;
    padding:14px 26px; border-radius:var(--radius-btn);
    display:inline-flex; align-items:center; gap:10px;
    transition:all .3s ease;
  }
  .btn-primary{
    background:linear-gradient(100deg, var(--gold-light), var(--gold) 45%, var(--gold-deep));
    background-size:220% 100%; background-position:0 0;
    color:var(--navy);
  }
  .btn-primary:hover{ background-position:100% 0; transform:translateY(-2px); box-shadow:0 12px 32px -8px rgba(219,192,120,0.5); }
  .btn-secondary{
    background:transparent; color:var(--ink);
    border:1px solid transparent;
    background-image:linear-gradient(var(--navy-3), var(--navy-3)), linear-gradient(100deg, var(--gold-light), var(--gold-deep));
    background-origin:border-box; background-clip:padding-box, border-box;
  }
  .btn-secondary:hover{ color:var(--gold-light); transform:translateY(-2px); box-shadow:0 10px 26px -10px rgba(219,192,120,0.35); }
  .btn-primary svg, .btn-secondary svg{ width:16px; height:16px; transition:transform .25s ease; }
  .btn-primary:hover svg{ transform:translateX(3px); }

  .hero-stats{ display:flex; gap:40px; flex-wrap:wrap;
    opacity:0; animation:fadeUp .8s ease forwards .7s; }
  .stat b{ display:block; font-size:1.6rem; font-weight:600; color:var(--gold-light); }
  .stat span{ font-size:.75rem; color:var(--ink-dim); letter-spacing:.3px; }

  @keyframes fadeUp{ from{opacity:0; transform:translateY(18px);} to{opacity:1; transform:translateY(0);} }

  /* hero visual - animated network */
  .hero-visual{ position:relative; height:520px; }
  .hero-visual canvas{ width:100%; height:100%; display:block; }
  .icon-stage{
    position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
    pointer-events:none;
  }
  .hero-logo-img{
    width:38%; max-width:210px; position:relative; z-index:3;
    filter:drop-shadow(0 0 50px rgba(219,192,120,0.35));
    animation:iconFloat 6s ease-in-out infinite;
  }
  .icon-glow{
    position:absolute; width:56%; max-width:320px; aspect-ratio:1;
    background:radial-gradient(circle, rgba(219,192,120,0.28), transparent 70%);
    filter:blur(6px); animation:glowBreathe 5s ease-in-out infinite; z-index:1;
  }
  .icon-ring{
    position:absolute; border-radius:50%; z-index:2;
    display:flex; align-items:flex-start; justify-content:center;
  }
  .ring-1{ width:62%; max-width:340px; aspect-ratio:1; border:1px solid rgba(219,192,120,0.22); animation:spin 26s linear infinite; }
  .ring-2{ width:78%; max-width:420px; aspect-ratio:1; border:1px dashed rgba(219,192,120,0.14); animation:spin 40s linear infinite reverse; }
  .icon-ring .orbit-dot{
    width:8px; height:8px; border-radius:50%; margin-top:-4px;
    background:var(--gold-light); box-shadow:0 0 12px 2px rgba(219,192,120,0.6);
  }

  @keyframes iconFloat{ 0%,100%{ transform:translateY(0);} 50%{ transform:translateY(-10px);} }
  @keyframes glowBreathe{ 0%,100%{ opacity:.6; transform:scale(1);} 50%{ opacity:1; transform:scale(1.08);} }
  @keyframes spin{ from{ transform:rotate(0deg);} to{ transform:rotate(360deg);} }

  /* ---------- EQUATION STRIP ---------- */
  .equation{
    border-top:1px solid var(--line); border-bottom:1px solid var(--line);
    background:var(--navy-3);
    padding:36px 0;
  }
  .equation .container{
    display:flex; align-items:center; justify-content:center; gap:18px; flex-wrap:wrap;
  }
  .eq-item{ display:flex; flex-direction:column; align-items:center; gap:10px; }
  .eq-icon{
    width:52px; height:52px; border-radius:32% 68% 68% 32% / 32% 32% 68% 68%;
    border:1px solid var(--line); background:var(--navy-2);
    display:flex; align-items:center; justify-content:center;
    transition:transform .3s ease;
  }
  .eq-item:hover .eq-icon{ transform:rotate(8deg); }
  .eq-icon svg{ width:22px; height:22px; stroke:var(--gold); }
  .eq-label{ font-size:.7rem; letter-spacing:1.4px; color:var(--ink-dim); text-transform:uppercase; }
  .eq-op{ font-size:1.4rem; color:var(--gold); font-weight:300; margin:0 6px 22px; }
  .eq-result .eq-icon{ background:var(--gold); border-color:var(--gold); }
  .eq-result .eq-icon svg{ stroke:var(--navy); }
  .eq-result .eq-label{ color:var(--gold-light); font-weight:500; }

  /* ---------- CAPABILITIES PHOTO GRID ---------- */
  .capabilities{ padding-bottom:60px; }
  .cap-grid{
    display:grid; grid-template-columns:repeat(4, 1fr); grid-auto-rows:220px;
    gap:18px;
  }
  .cap-card{
    position:relative; border-radius:var(--radius-card); overflow:hidden;
    border:1px solid var(--line);
  }
  .cap-large{ grid-column:span 2; grid-row:span 2; }
  .cap-card img{
    width:100%; height:100%; object-fit:cover; display:block;
    transition:transform .6s ease;
  }
  .cap-card:hover img{ transform:scale(1.08); }
  .cap-card::before{
    content:""; position:absolute; inset:0;
    background:linear-gradient(180deg, rgba(4,6,8,0.05) 30%, rgba(4,6,8,0.92) 100%);
    z-index:1;
  }
  .cap-overlay{
    position:absolute; left:0; right:0; bottom:0; z-index:2;
    padding:22px;
  }
  .cap-tag{
    display:inline-block; font-size:.65rem; letter-spacing:1.2px; text-transform:uppercase;
    color:var(--navy); background:linear-gradient(100deg, var(--gold-light), var(--gold-deep));
    padding:4px 10px; border-radius:20px; font-weight:600; margin-bottom:10px;
  }
  .cap-overlay h3{ font-size:1.1rem; font-weight:600; margin-bottom:6px; color:var(--ink); }
  .cap-overlay p{ font-size:.8rem; color:var(--ink-dim); line-height:1.55; max-width:340px; }
  .cap-large .cap-overlay h3{ font-size:1.35rem; }

  @media (max-width: 920px){
    .cap-grid{ grid-template-columns:repeat(2,1fr); grid-auto-rows:200px; }
    .cap-large{ grid-column:span 2; grid-row:span 1; }
  }
  @media (max-width: 560px){
    .cap-grid{ grid-template-columns:1fr; }
    .cap-large{ grid-column:span 1; }
  }

  /* ---------- LIVE TRACKING PIPELINE ---------- */
  .pipeline{ background:var(--navy-3); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
  .track-line{
    position:relative; display:grid; grid-template-columns:repeat(4,1fr);
    gap:16px; max-width:920px; margin:0 auto 46px; padding-top:10px;
  }
  .track-line::before{
    content:""; position:absolute; top:23px; left:12.5%; right:12.5%; height:2px;
    background:rgba(219,192,120,0.18);
  }
  .track-progress{
    position:absolute; top:23px; left:12.5%; width:75%; height:2px;
    background:linear-gradient(90deg, var(--gold-light), var(--gold) 45%, var(--gold-deep));
    transform-origin:left center;
    animation:trackFill 8s ease-in-out infinite;
  }
  .track-progress::after{
    content:""; position:absolute; right:-5px; top:50%; width:10px; height:10px;
    transform:translateY(-50%); border-radius:50%;
    background:var(--gold-light); box-shadow:0 0 14px 3px rgba(219,192,120,0.75);
    animation:trackDotPulse 8s ease-in-out infinite;
  }
  @keyframes trackFill{
    0%{ transform:scaleX(0); }
    8%{ transform:scaleX(0); }
    28%{ transform:scaleX(0.333); }
    50%{ transform:scaleX(0.333); }
    58%{ transform:scaleX(0.666); }
    78%{ transform:scaleX(0.666); }
    86%{ transform:scaleX(1); }
    100%{ transform:scaleX(1); }
  }
  @keyframes trackDotPulse{
    0%,100%{ opacity:1; } 50%{ opacity:.85; }
  }
  .track-stage{ display:flex; flex-direction:column; align-items:center; text-align:center; gap:8px; position:relative; z-index:1; }
  .track-dot{
    width:48px; height:48px; border-radius:50%;
    background:var(--navy-2); border:2px solid rgba(219,192,120,0.3);
    display:flex; align-items:center; justify-content:center;
    color:var(--gold); transition:all .3s ease;
  }
  .track-dot svg{ width:20px; height:20px; }
  .track-stage:nth-child(2) .track-dot{ animation:stageLight 8s ease-in-out infinite; animation-delay:0s; }
  .track-stage:nth-child(3) .track-dot{ animation:stageLight 8s ease-in-out infinite; animation-delay:0s; }
  .track-stage:nth-child(4) .track-dot{ animation:stageLight 8s ease-in-out infinite; animation-delay:0s; }
  .track-stage:nth-child(2) .track-dot{ animation-name: stageLight2; }
  .track-stage:nth-child(3) .track-dot{ animation-name: stageLight3; }
  .track-stage:nth-child(4) .track-dot{ animation-name: stageLight4; }
  .track-stage:nth-child(1) .track-dot{ animation:stageLight1 8s ease-in-out infinite; }
  @keyframes stageLight1{
    0%,8%{ border-color:var(--gold); color:var(--navy); background:var(--gold); box-shadow:0 0 16px 2px rgba(219,192,120,0.5); }
    12%,100%{ border-color:rgba(219,192,120,0.3); color:var(--gold); background:var(--navy-2); box-shadow:none; }
  }
  @keyframes stageLight2{
    0%,26%{ border-color:rgba(219,192,120,0.3); color:var(--gold); background:var(--navy-2); box-shadow:none; }
    30%,48%{ border-color:var(--gold); color:var(--navy); background:var(--gold); box-shadow:0 0 16px 2px rgba(219,192,120,0.5); }
    52%,100%{ border-color:rgba(219,192,120,0.3); color:var(--gold); background:var(--navy-2); box-shadow:none; }
  }
  @keyframes stageLight3{
    0%,56%{ border-color:rgba(219,192,120,0.3); color:var(--gold); background:var(--navy-2); box-shadow:none; }
    60%,76%{ border-color:var(--gold); color:var(--navy); background:var(--gold); box-shadow:0 0 16px 2px rgba(219,192,120,0.5); }
    80%,100%{ border-color:rgba(219,192,120,0.3); color:var(--gold); background:var(--navy-2); box-shadow:none; }
  }
  @keyframes stageLight4{
    0%,84%{ border-color:rgba(219,192,120,0.3); color:var(--gold); background:var(--navy-2); box-shadow:none; }
    88%,100%{ border-color:var(--gold); color:var(--navy); background:var(--gold); box-shadow:0 0 16px 2px rgba(219,192,120,0.5); }
  }
  .track-label{ font-size:.85rem; font-weight:600; color:var(--ink); }
  .track-sub{ font-size:.72rem; color:var(--ink-dim); max-width:150px; }
  .pipeline-cta{ display:flex; align-items:center; justify-content:center; gap:20px; flex-wrap:wrap; }
  .pipeline-cta span{ color:var(--ink-dim); font-size:.85rem; }

  @media (max-width: 720px){
    .track-line{ grid-template-columns:repeat(2,1fr); row-gap:36px; }
    .track-line::before, .track-progress{ display:none; }
  }

  /* ---------- SECTIONS ---------- */
  section{ padding:110px 0; }
  .section-head{ max-width:640px; margin:0 auto 64px; text-align:center; }
  .section-head .eyebrow{ justify-content:center; animation:none; opacity:1; }
  .section-head .eyebrow::before{ display:none; }
  .section-head h2{ font-size:clamp(1.8rem,3vw,2.4rem); font-weight:600; margin-bottom:14px; letter-spacing:-.3px; }
  .section-head p{ color:var(--ink-dim); font-size:1rem; line-height:1.7; }

  .reveal{ opacity:0; transform:translateY(24px); transition:opacity .7s ease, transform .7s ease; }
  .reveal.in{ opacity:1; transform:translateY(0); }

  /* feature grid */
  .feature-grid{ display:grid; grid-template-columns:repeat(5,1fr); gap:20px; }
  .feature-card{
    background:var(--navy-2); border:1px solid var(--line); border-radius:var(--radius-card);
    padding:28px 22px; transition:transform .3s ease, border-color .3s ease, background .3s ease;
  }
  .feature-card:hover{ transform:translateY(-6px); border-color:rgba(219,192,120,0.5); background:#25405f; }
  .feature-icon{
    width:46px; height:46px; border-radius:32% 68% 68% 32% / 32% 32% 68% 68%;
    background:linear-gradient(135deg, rgba(219,192,120,0.22), rgba(219,192,120,0.06));
    border:1px solid rgba(219,192,120,0.3);
    display:flex; align-items:center; justify-content:center; margin-bottom:18px;
    transition:transform .3s ease, border-color .3s ease;
  }
  .feature-card:hover .feature-icon{ transform:rotate(8deg) scale(1.05); border-color:rgba(219,192,120,0.6); }
  .feature-icon svg{ width:22px; height:22px; stroke:var(--gold); }
  .feature-card h3{ font-size:1.05rem; font-weight:500; margin-bottom:8px; }
  .feature-card p{ font-size:.85rem; color:var(--ink-dim); line-height:1.6; }

  /* products */
  .products{ background:var(--navy-3); }
  .product-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:24px; }
  .product-card{
    display:flex; gap:22px; background:var(--navy); border:1px solid var(--line);
    border-radius:var(--radius-card); padding:30px; position:relative; overflow:hidden;
  }
  .product-card::before{
    content:""; position:absolute; inset:0; opacity:0;
    background:radial-gradient(circle at 20% 20%, rgba(219,192,120,0.08), transparent 60%);
    transition:opacity .3s ease;
  }
  .product-card:hover::before{ opacity:1; }
  .product-icon{
    flex:0 0 auto; width:58px; height:58px;
    border-radius:32% 68% 68% 32% / 32% 32% 68% 68%;
    background:linear-gradient(145deg, var(--gold-light), var(--gold-deep));
    display:flex; align-items:center; justify-content:center;
    transition:transform .3s ease;
  }
  .product-card:hover .product-icon{ transform:rotate(-6deg) scale(1.05); }
  .product-icon svg{ width:26px; height:26px; stroke:var(--navy); }
  .product-body h3{ font-size:1.15rem; font-weight:600; margin-bottom:8px; }
  .product-body p{ font-size:.88rem; color:var(--ink-dim); line-height:1.65; margin-bottom:14px; }
  .tag-row{ display:flex; gap:8px; flex-wrap:wrap; }
  .tag{
    font-size:.68rem; letter-spacing:.6px; text-transform:uppercase; color:var(--gold-light);
    border:1px solid rgba(219,192,120,0.3); padding:4px 10px; border-radius:20px;
  }

  /* live scan demo */
  .scan-demo{ display:flex; align-items:center; justify-content:center; margin-top:70px; }
  .scan-box{
    position:relative; width:100%; max-width:640px; background:var(--navy);
    border:1px solid var(--line); border-radius:16px; padding:36px;
    display:flex; align-items:center; gap:28px; overflow:hidden;
  }
  .scan-plate{
    flex:0 0 auto; width:150px; height:70px; border-radius:8px; background:var(--gold-light);
    color:var(--navy); font-weight:700; font-size:1.1rem; letter-spacing:2px;
    display:flex; align-items:center; justify-content:center; position:relative;
  }
  .scan-line{
    position:absolute; left:0; right:0; height:2px; background:rgba(19,29,44,0.6);
    top:0; animation:scanmove 2.2s ease-in-out infinite;
  }
  @keyframes scanmove{ 0%{top:2px;} 50%{top:calc(100% - 4px);} 100%{top:2px;} }
  .scan-text{ font-size:.85rem; color:var(--ink-dim); }
  .scan-text b{ color:var(--gold-light); display:block; font-size:.95rem; margin-bottom:6px; font-weight:500; }
  .scan-arrow{ color:var(--gold); font-size:1.4rem; opacity:.7; }

  /* CTA band */
  .cta-band{
    background:linear-gradient(120deg, var(--navy-2), var(--navy));
    border-top:1px solid var(--line); border-bottom:1px solid var(--line);
    text-align:center;
  }
  .cta-band h2{ font-size:clamp(1.8rem,3.4vw,2.6rem); font-weight:600; margin-bottom:18px; }
  .cta-band p{ color:var(--ink-dim); max-width:520px; margin:0 auto 34px; }
  .cta-buttons{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }

  /* footer */
  footer{ background:var(--black); padding:64px 0 32px; }
  .footer-grid{ display:grid; grid-template-columns:1.4fr repeat(3,1fr); gap:40px; margin-bottom:48px; }
  .footer-brand p{ color:var(--ink-dim); font-size:.85rem; line-height:1.7; margin-top:14px; max-width:280px; }
  .footer-logo-img{ width:28px; height:28px; }
  .footer-col h4{ font-size:.78rem; letter-spacing:1px; text-transform:uppercase; color:var(--gold-light); margin-bottom:16px; }
  .footer-col a{ display:block; font-size:.85rem; color:var(--ink-dim); margin-bottom:10px; transition:color .2s ease; }
  .footer-col a:hover{ color:var(--gold); }
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,0.06); padding-top:24px;
    display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;
    font-size:.78rem; color:#5a6478;
  }

  @media (max-width: 920px){
    nav{ padding:14px 18px; }
    .nav-links, .nav-auth{ display:none; }
    .menu-toggle{ display:flex; }
    .mobile-panel{ display:flex; }
    .brand-tagline{ display:none; }
    .hero{ padding:120px 0 70px; min-height:auto; }
    .hero-grid{ grid-template-columns:1fr; }
    .hero-visual{ height:300px; order:-1; }
    .hero-finder{ max-width:100%; }
    .hero-stats{ gap:24px; }
    .feature-grid{ grid-template-columns:repeat(2,1fr); }
    .product-grid{ grid-template-columns:1fr; }
    .footer-grid{ grid-template-columns:1fr 1fr; }
    .equation{ padding:26px 0; }
    .equation .container{ gap:8px; row-gap:18px; }
    .eq-op{ margin-bottom:22px; }
    .eq-item{ flex:0 0 auto; }
    section{ padding:72px 0; }
    .search-box{ flex-direction:column; }
    .search-box button{ width:100%; }
    .dash-header-row{ flex-direction:column; align-items:flex-start; }
    .admin-tabs{ overflow-x:auto; white-space:nowrap; }
  }
  @media (max-width: 560px){
    :root{ font-size:15px; }
    .container{ padding:0 18px; }
    .feature-grid{ grid-template-columns:1fr; }
    .footer-grid{ grid-template-columns:1fr; }
    .footer-bottom{ flex-direction:column; text-align:center; }
    .scan-box{ flex-direction:column; text-align:center; }
    .hero-ctas{ flex-direction:column; align-items:stretch; }
    .hero-ctas a{ justify-content:center; }
    .cta-buttons{ flex-direction:column; align-items:stretch; }
    .cta-buttons a{ justify-content:center; }
    .track-line{ grid-template-columns:1fr 1fr; }
  }

  @media (prefers-reduced-motion: reduce){
    *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; }
  }