:root{
    color-scheme: dark;
    --bg: #0a0a14;
    --bg-deep: #05050c;
    --surface: rgba(19, 19, 31, 0.76);
    --surface-strong: rgba(26, 26, 46, 0.94);
    --line: rgba(255, 255, 255, 0.08);
    --line-strong: rgba(102, 126, 234, 0.28);
    --text: #f5f5f7;
    --text-soft: #c5c5d5;
    --text-muted: #6b6b80;
    --accent: #667eea;
    --accent-2: #764ba2;
    --accent-3: #dcb8ff;
    --warm: #f59e0b;
    --pink: #8b5cf6;
    --shadow-lg: 0 40px 100px -30px rgba(0,0,0,.55);
    --shadow-md: 0 20px 50px -20px rgba(0,0,0,.42);
    --shadow-glow: 0 0 60px -10px rgba(102,126,234,.25);
    --brand-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --r-xl: 28px;
    --r-lg: 20px;
    --r-md: 12px;
    --r-sm: 10px;
    --shell: 1200px;
    --focus: 0 0 0 3px rgba(102,126,234,.3);
    --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    min-width:320px;
    color:var(--text);
    font-family:'Inter', system-ui, -apple-system, sans-serif;
    font-feature-settings:'cv11','ss01','ss02';
    line-height:1.6;
    letter-spacing:-0.01em;
    text-rendering:optimizeLegibility;
    -webkit-font-smoothing:antialiased;
    background: linear-gradient(180deg, #0a0a14 0%, #090913 52%, #070710 100%);
    overflow-x:hidden;
  }
  /* Background aurora */
  .aurora{
    position:fixed; inset:0; pointer-events:none; z-index:0;
    background:
      radial-gradient(ellipse 80% 50% at 18% 12%, rgba(102,126,234,.16), transparent 60%),
      radial-gradient(ellipse 70% 60% at 82% 0%, rgba(118,75,162,.18), transparent 58%),
      radial-gradient(ellipse 60% 50% at 72% 88%, rgba(220,184,255,.08), transparent 62%),
      radial-gradient(ellipse 50% 40% at 12% 82%, rgba(102,126,234,.05), transparent 62%),
      linear-gradient(180deg, #090913 0%, #0a0a14 50%, #070710 100%);
  }
  .grid-overlay{
    position:fixed; inset:0; pointer-events:none; z-index:1;
    background-image:
      linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 40%, transparent 80%);
    opacity:.6;
  }
  main, header, footer{ position:relative; z-index:2; }
  img{ display:block; max-width:100%; }
  a{ color:inherit; text-decoration:none; }
  button{ font:inherit; cursor:pointer; border:0; background:none; color:inherit; }
  button:focus-visible, a:focus-visible, summary:focus-visible{
    outline:none; box-shadow:var(--focus); border-radius:12px;
  }
  .shell{ width:min(var(--shell), calc(100% - 40px)); margin-inline:auto; }
  .section{ position:relative; padding:110px 0; scroll-margin-top:100px; }
  .section--band{
    background: linear-gradient(180deg, rgba(255,255,255,.016), rgba(255,255,255,.004));
    border-block:1px solid rgba(255,255,255,.06);
  }

  /* Header */
  .site-header{
    position:sticky; top:0; z-index:50;
    backdrop-filter: blur(20px) saturate(140%);
    -webkit-backdrop-filter: blur(20px) saturate(140%);
    background: rgba(10,10,20,.68);
    border-bottom:1px solid var(--line);
    transition: background .3s ease;
  }
  .site-header.scrolled{ background: rgba(10,10,20,.9); }
  .site-header__inner{
    min-height:76px;
    display:flex; align-items:center; justify-content:space-between; gap:20px;
  }
  .brand{ display:inline-flex; align-items:center; gap:12px; min-width:0; }
  .brand__markShell{
    width:42px; height:42px;
    display:grid; place-items:center;
    padding:2px; border-radius:10px;
    background:var(--brand-gradient);
    box-shadow: 0 8px 22px rgba(102,126,234,.18), inset 0 0 0 1px rgba(255,255,255,.06);
    flex:0 0 auto;
  }
  .site-footer .brand__markShell{ width:40px; height:40px; }
  .brand__mark{
    width:100%; height:100%; display:block;
    border-radius:8px; object-fit:cover;
    background:#0a0a14;
  }
  .brand__text{ display:flex; flex-direction:column; min-width:0; line-height:1.2; }
  .brand__text strong{ font-size:1.05rem; letter-spacing:-0.02em; font-weight:800; }
  .brand__text span{ color:var(--text-muted); font-size:.78rem; font-weight:500; }

  .site-header__menu{ display:flex; align-items:center; gap:14px; }
  .site-nav{ display:flex; align-items:center; gap:6px; }
  .site-nav a{
    color:var(--text-soft); font-size:.92rem; font-weight:500;
    padding:8px 14px; border-radius:10px;
    transition: color .2s, background .2s;
  }
  .site-nav a:hover{ color:var(--text); background:rgba(255,255,255,.05); }

  .site-header__actions{ display:flex; align-items:center; gap:10px; }
  .site-header__toggle{ display:none; width:44px; height:44px; border:1px solid var(--line); border-radius:12px; background:rgba(255,255,255,.03); align-items:center; justify-content:center; flex-direction:column; gap:5px; padding:0; }
  .site-header__toggle span{ width:18px; height:1.5px; border-radius:999px; background:currentColor; transition: transform .3s, opacity .3s; }
  .site-header.is-open .site-header__toggle span:nth-child(1){ transform: translateY(6.5px) rotate(45deg); }
  .site-header.is-open .site-header__toggle span:nth-child(2){ opacity:0; }
  .site-header.is-open .site-header__toggle span:nth-child(3){ transform: translateY(-6.5px) rotate(-45deg); }

  /* Buttons */
  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    min-height:46px; padding:0 20px; border-radius:12px;
    font-weight:600; font-size:.92rem; letter-spacing:-0.01em;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
    white-space:nowrap; position:relative; overflow:hidden;
  }
  .btn:hover{ transform:translateY(-1px); }
  .btn--primary{
    color:#fff; font-weight:700;
    background: var(--brand-gradient);
    background-size: 200% 200%;
    box-shadow: 0 12px 30px rgba(102,126,234,.25), inset 0 1px 0 rgba(255,255,255,.14);
  }
  .btn--primary:hover{ background-position: 100% 100%; box-shadow: 0 16px 40px rgba(102,126,234,.35); }
  .btn--ghost{ background:rgba(255,255,255,.04); border:1px solid var(--line); color:var(--text); }
  .btn--ghost:hover{ background:rgba(255,255,255,.08); border-color:rgba(255,255,255,.16); }
  .btn--lg{ min-height:54px; padding:0 26px; font-size:1rem; border-radius:14px; }
  .btn--full{ width:100%; }
  .btn svg{ width:16px; height:16px; }

  /* Eyebrow */
  .eyebrow{
    display:inline-flex; align-items:center; gap:10px;
    margin:0 0 18px; color:var(--accent);
    font-size:.78rem; font-weight:700; text-transform:uppercase; letter-spacing:.18em;
  }
  .eyebrow::before{
    content:""; width:6px; height:6px; border-radius:50%;
    background:var(--accent);
    box-shadow: 0 0 0 4px rgba(102,126,234,.15), 0 0 12px rgba(102,126,234,.55);
    animation: pulse 2.2s ease-in-out infinite;
  }
  @keyframes pulse{
    0%,100%{ box-shadow: 0 0 0 4px rgba(102,126,234,.15), 0 0 12px rgba(102,126,234,.55); }
    50%{ box-shadow: 0 0 0 6px rgba(102,126,234,.08), 0 0 20px rgba(102,126,234,.75); }
  }

  .gradient-text{
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 60%, var(--accent-3) 100%);
    -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent;
    background-size: 200% 200%;
    animation: grad-shift 8s ease infinite;
  }
  @keyframes grad-shift{
    0%,100%{ background-position: 0% 50%; }
    50%{ background-position: 100% 50%; }
  }

  /* HERO */
  .hero{ padding-top:78px; padding-bottom:92px; position:relative; overflow:hidden; }
  #hero-canvas{
    position:absolute; inset:0; width:100%; height:100%;
    pointer-events:none; z-index:0; opacity:.5;
  }
  .hero__grid{
    position:relative; z-index:1;
    display:grid; grid-template-columns: minmax(0,1.05fr) minmax(0,.95fr); gap:52px; align-items:center;
  }
  .hero__content{ max-width:640px; display:grid; align-content:center; gap:6px; }
  .hero h1{
    margin:0; line-height:.98;
    font-size: clamp(2.85rem, 6.4vw, 5.1rem);
    font-weight:800; letter-spacing:-0.045em;
    max-width:11ch;
  }
  .hero h1 em{
    font-style:normal; display:inline-block; position:relative;
  }
  .hero__lead{
    margin:26px 0 0; max-width:56ch;
    font-size:1.12rem; color:var(--text-soft); line-height:1.65;
  }
  .hero__actions{ display:flex; flex-wrap:wrap; gap:12px; margin-top:30px; }
  .hero__pills{
    display:flex; flex-wrap:wrap; gap:10px; padding:0; margin:30px 0 0; list-style:none;
  }
  .hero__pills li{
    display:inline-flex; align-items:center; gap:8px;
    padding:9px 14px; border-radius:999px;
    border:1px solid var(--line); background:rgba(255,255,255,.03);
    color:var(--text-soft); font-size:.86rem; font-weight:500;
  }
  .hero__pills li svg{ width:14px; height:14px; color:var(--accent); }

  /* Showcase panel */
  .hero__visual{
    position:relative;
    display:grid;
    gap:18px;
    justify-items:center;
    align-content:center;
    perspective: 1200px;
    min-height:560px;
  }
  .hero__blob{
    position:absolute; border-radius:50%; filter:blur(50px); pointer-events:none;
    animation: float 12s ease-in-out infinite;
  }
  .hero__blob--1{ width:360px; height:360px; top:-40px; left:-30px; background:radial-gradient(circle, rgba(102,126,234,.28), transparent 70%); }
  .hero__blob--2{ width:300px; height:300px; right:-20px; bottom:-30px; background:radial-gradient(circle, rgba(118,75,162,.26), transparent 70%); animation-delay:-6s; }
  @keyframes float{
    0%,100%{ transform: translate(0,0) scale(1); }
    50%{ transform: translate(20px,-20px) scale(1.05); }
  }

  .signal-orbit{
    position:relative;
    width:min(100%, 560px);
    aspect-ratio:1;
    display:grid;
    place-items:center;
  }
  .signal-orbit__ring{
    position:absolute;
    inset:0;
    border-radius:50%;
    border:1px solid rgba(255,255,255,.08);
    box-shadow: inset 0 0 0 1px rgba(102,126,234,.06);
  }
  .signal-orbit__ring--1{
    inset:6%;
    border-color:rgba(102,126,234,.16);
    animation: orbit-spin 28s linear infinite;
  }
  .signal-orbit__ring--2{
    inset:18%;
    border-style:dashed;
    opacity:.75;
    animation: orbit-spin 36s linear infinite reverse;
  }
  .signal-orbit__ring--3{
    inset:32%;
    border-color:rgba(118,75,162,.18);
    opacity:.65;
  }
  @keyframes orbit-spin{
    from{ transform: rotate(0deg); }
    to{ transform: rotate(360deg); }
  }
  .signal-orbit__node{
    position:absolute;
    width:12px; height:12px;
    border-radius:50%;
    background:var(--accent);
    box-shadow:0 0 0 8px rgba(102,126,234,.08), 0 0 18px rgba(102,126,234,.32);
  }
  .signal-orbit__node--1{ top:12%; left:50%; transform:translateX(-50%); }
  .signal-orbit__node--2{ right:16%; top:38%; background:var(--accent-2); box-shadow:0 0 0 8px rgba(118,75,162,.08), 0 0 18px rgba(118,75,162,.3); }
  .signal-orbit__node--3{ bottom:16%; left:24%; background:#cdd5ff; box-shadow:0 0 0 8px rgba(220,184,255,.08), 0 0 18px rgba(220,184,255,.28); }
  .signal-orbit__node--4{ left:14%; top:46%; background:var(--warm); box-shadow:0 0 0 8px rgba(245,158,11,.08), 0 0 18px rgba(245,158,11,.28); }
  .signal-orbit__core{
    position:relative;
    z-index:2;
    width:min(68%, 330px);
    padding:28px 26px 24px;
    border-radius:26px;
    text-align:center;
    background: linear-gradient(180deg, rgba(26,26,46,.96), rgba(18,18,29,.92));
    border:1px solid var(--line);
    box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,.06);
    backdrop-filter: blur(10px);
  }
  .signal-orbit__logo{
    display:grid;
    place-items:center;
    width:84px; height:84px;
    margin:0 auto 18px;
    padding:8px;
    border-radius:18px;
    background:var(--brand-gradient);
    box-shadow:0 20px 36px rgba(102,126,234,.22);
  }
  .signal-orbit__logo img{
    width:100%; height:100%;
    border-radius:12px;
    object-fit:cover;
    background:#0a0a14;
  }
  .signal-orbit__core strong{
    display:block;
    margin-bottom:8px;
    font-size:1.15rem;
    letter-spacing:-.02em;
  }
  .signal-orbit__core p{
    margin:0;
    color:var(--text-soft);
    font-size:.95rem;
    line-height:1.6;
  }
  .signal-orbit__tags{
    display:flex;
    flex-wrap:wrap;
    justify-content:center;
    gap:8px;
    margin-top:18px;
  }
  .signal-orbit__tags span{
    padding:6px 10px;
    border-radius:999px;
    background:rgba(255,255,255,.04);
    border:1px solid var(--line);
    color:var(--text-soft);
    font-size:.76rem;
    font-weight:600;
  }
  .signal-panels{
    width:min(100%, 560px);
    display:grid;
    grid-template-columns:repeat(3, minmax(0, 1fr));
    gap:12px;
  }
  .signal-panel{
    padding:16px 16px 15px;
    border-radius:18px;
    border:1px solid var(--line);
    background:rgba(255,255,255,.03);
    box-shadow:var(--shadow-md);
    backdrop-filter: blur(8px);
  }
  .signal-panel__label{
    display:inline-block;
    margin-bottom:10px;
    color:var(--text-muted);
    font-size:.7rem;
    font-weight:700;
    letter-spacing:.16em;
    text-transform:uppercase;
  }
  .signal-panel strong{
    display:block;
    margin-bottom:6px;
    font-size:.96rem;
    letter-spacing:-.01em;
  }
  .signal-panel p{
    margin:0;
    color:var(--text-soft);
    font-size:.84rem;
    line-height:1.55;
  }

  .showcase{
    position:relative; z-index:1;
    border-radius: var(--r-xl); padding:14px;
    border:1px solid var(--line);
    background:
      linear-gradient(180deg, rgba(26,26,46,.95), rgba(18,18,29,.92));
    box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,.06);
    backdrop-filter: blur(10px);
    transform-style: preserve-3d;
    transition: transform .3s ease;
  }
  .showcase::before{
    content:""; position:absolute; inset:0; border-radius:inherit; padding:1px;
    background: linear-gradient(135deg, rgba(102,126,234,.36), transparent 40%, transparent 60%, rgba(118,75,162,.34));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor; mask-composite: exclude;
    pointer-events:none;
  }
  .showcase__topbar{
    display:flex; align-items:center; gap:12px;
    padding:4px 12px 14px; border-bottom:1px solid var(--line);
  }
  .showcase__dots{ display:inline-flex; gap:6px; }
  .showcase__dots span, .code-dot{ width:11px; height:11px; border-radius:50%; }
  .showcase__dots span:nth-child(1), .code-dot--red{ background:#ff6159; }
  .showcase__dots span:nth-child(2), .code-dot--yellow{ background:#ffbd2e; }
  .showcase__dots span:nth-child(3), .code-dot--green{ background:#27c93f; }
  .showcase__title{
    flex:1; text-align:center;
    color:var(--text-muted); font-size:.78rem; font-weight:600;
    text-transform:uppercase; letter-spacing:.16em;
  }
  .showcase__pill{
    padding:5px 10px; border-radius:999px;
    background:rgba(102,126,234,.12); border:1px solid rgba(102,126,234,.2);
    color:#cdd5ff; font-size:.72rem; font-weight:700;
  }
  .showcase__body{ display:grid; grid-template-columns: .78fr 1.22fr; gap:14px; padding-top:14px; }

  .side-panel{
    display:grid; gap:12px; padding:16px;
    border-radius:var(--r-lg);
    background: rgba(255,255,255,.02);
    border:1px solid var(--line);
  }
  .side-panel__brand{
    display:flex; align-items:center; gap:12px;
    padding:12px; border-radius:14px;
    background: linear-gradient(135deg, rgba(102,126,234,.1), rgba(118,75,162,.08));
    border:1px solid var(--line);
  }
  .side-panel__brand img{ width:56px; height:56px; border-radius:14px; flex:0 0 auto; }
  .side-panel__brand strong{ display:block; font-size:.98rem; letter-spacing:-.02em; }
  .side-panel__brand span{ display:block; color:var(--text-muted); font-size:.78rem; margin-top:2px; }

  .status-stack{ display:grid; gap:8px; }
  .status-chip{
    display:flex; align-items:center; justify-content:space-between;
    min-height:40px; padding:0 12px;
    border-radius:12px; background:rgba(255,255,255,.03);
    border:1px solid var(--line);
    font-size:.85rem; font-weight:600; color:var(--text-soft);
  }
  .status-chip__dot{
    width:8px; height:8px; border-radius:50%;
    background:var(--accent);
    box-shadow:0 0 0 3px rgba(102,126,234,.15), 0 0 8px rgba(102,126,234,.5);
  }
  .status-chip--blue .status-chip__dot{ background:var(--accent-2); box-shadow:0 0 0 3px rgba(118,75,162,.15), 0 0 8px rgba(118,75,162,.5); }
  .status-chip--amber .status-chip__dot{ background:var(--warm); box-shadow:0 0 0 3px rgba(245,158,11,.15), 0 0 8px rgba(245,158,11,.45); }

  .main-panel{
    display:grid; gap:12px; padding:16px;
    border-radius:var(--r-lg);
    background: linear-gradient(180deg, rgba(102,126,234,.05), rgba(255,255,255,.01)), rgba(255,255,255,.02);
    border:1px solid var(--line);
  }
  .chat-mockup{
    border-radius:18px; overflow:hidden;
    border:1px solid var(--line);
    background: #10101b;
    position:relative;
  }
  .chat-mockup img{ width:100%; display:block; aspect-ratio: 4/3; object-fit:cover; }
  .chat-mockup__overlay{
    position:absolute; top:10px; right:10px;
    padding:6px 10px; border-radius:999px;
    background:rgba(10,10,20,.82); backdrop-filter:blur(8px);
    border:1px solid rgba(102,126,234,.24);
    color:var(--accent); font-size:.7rem; font-weight:700;
    display:inline-flex; align-items:center; gap:6px;
  }
  .chat-mockup__overlay::before{
    content:""; width:6px; height:6px; border-radius:50%; background:var(--accent);
    box-shadow:0 0 8px var(--accent);
  }

  .release-card{
    padding:14px; border-radius:16px;
    background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
    border:1px solid var(--line);
  }
  .release-card__top{
    display:flex; align-items:center; justify-content:space-between; margin-bottom:10px;
  }
  .release-card__label{
    color:var(--text-muted); font-size:.72rem; font-weight:700;
    text-transform:uppercase; letter-spacing:.14em;
  }
  .release-card__version{
    padding:4px 9px; border-radius:999px;
    background:rgba(102,126,234,.12); border:1px solid rgba(102,126,234,.18);
    color:var(--accent); font-size:.72rem; font-weight:800;
  }
  .release-card__rows{ display:grid; gap:6px; }
  .release-card__row{
    display:grid; grid-template-columns: 1fr 1.2fr; gap:10px;
    padding:8px 10px; border-radius:10px;
    background:rgba(255,255,255,.025); border:1px solid var(--line);
    font-size:.82rem;
  }
  .release-card__row span{ color:var(--text-muted); }
  .release-card__row strong{ color:var(--text); font-weight:600; }

  /* Stats bar */
  .stats-bar{
    display:grid; grid-template-columns: repeat(4,1fr); gap:16px;
  }
  .stat{
    padding:24px 22px; border-radius:20px;
    border:1px solid var(--line);
    background: linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.01));
    box-shadow: var(--shadow-md);
    position:relative; overflow:hidden;
    transition: transform .25s ease, border-color .25s ease;
  }
  .stat:hover{ transform:translateY(-3px); border-color:rgba(102,126,234,.24); }
  .stat::before{
    content:""; position:absolute; top:0; left:0; right:0; height:1px;
    background: linear-gradient(90deg, transparent, rgba(102,126,234,.45), transparent);
    opacity:0; transition:opacity .25s;
  }
  .stat:hover::before{ opacity:1; }
  .stat__value{
    display:block; font-size:1.6rem; font-weight:800; letter-spacing:-.03em;
    background: linear-gradient(135deg, var(--text), var(--accent));
    -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent;
  }
  .stat__label{ display:block; margin-top:6px; color:var(--text-muted); font-size:.88rem; }

  /* Section headings */
  .section-heading{ max-width:720px; margin-bottom:48px; }
  .section-heading--center{ margin-inline:auto; text-align:center; }
  .section-heading h2{
    margin:0; line-height:1.05; letter-spacing:-.035em;
    font-size: clamp(2rem, 4vw, 3.4rem); font-weight:800;
  }
  .section-heading p{
    margin:20px 0 0; font-size:1.08rem; color:var(--text-soft); max-width:62ch;
  }
  .section-heading--center p{ margin-inline:auto; }

  /* Feature grid */
  .feature-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
  .feature-card{
    position:relative; padding:28px 26px;
    border-radius:var(--r-lg);
    border:1px solid var(--line);
    background: linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.01));
    box-shadow: var(--shadow-md);
    transition: transform .3s ease, border-color .3s ease;
    overflow:hidden;
  }
  .feature-card::after{
    content:""; position:absolute; inset:0; pointer-events:none;
    background:
      radial-gradient(400px circle at var(--mx,50%) var(--my,50%), rgba(102,126,234,.12), transparent 40%);
    opacity:0; transition:opacity .3s;
  }
  .feature-card:hover{ transform:translateY(-4px); border-color:rgba(102,126,234,.24); }
  .feature-card:hover::after{ opacity:1; }
  .feature-card > *{ position:relative; z-index:1; }
  .feature-card__icon{
    display:grid; place-items:center;
    width:52px; height:52px; border-radius:14px; margin-bottom:20px;
    color:var(--accent);
    background: linear-gradient(135deg, rgba(102,126,234,.16), rgba(118,75,162,.12));
    border:1px solid rgba(102,126,234,.2);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
  }
  .feature-card__icon svg{ width:26px; height:26px; fill:none; stroke:currentColor; stroke-width:1.8; stroke-linecap:round; stroke-linejoin:round; }
  .feature-card h3{ margin:0 0 10px; font-size:1.18rem; letter-spacing:-.02em; font-weight:700; }
  .feature-card p{ margin:0; color:var(--text-soft); font-size:.95rem; line-height:1.6; }

  /* Steps */
  .steps{
    display:grid; grid-template-columns:repeat(4,1fr); gap:18px; position:relative;
  }
  .steps::before{
    content:""; position:absolute; top:36px; left:12%; right:12%; height:2px;
    background: linear-gradient(90deg, transparent, rgba(102,126,234,.45) 15%, rgba(118,75,162,.45) 50%, rgba(220,184,255,.4) 85%, transparent);
    opacity:.45; z-index:0;
  }
  .step{
    position:relative; padding:24px 20px 22px; text-align:center;
    border-radius:var(--r-lg);
    background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
    border:1px solid var(--line);
    box-shadow: var(--shadow-md);
    z-index:1;
  }
  .step__num{
    width:72px; height:72px; margin:0 auto 18px;
    border-radius:50%; display:grid; place-items:center;
    font-size:1.5rem; font-weight:800; color:var(--accent);
    background: radial-gradient(circle at 30% 30%, rgba(102,126,234,.22), rgba(118,75,162,.12));
    border:2px solid rgba(102,126,234,.4);
    box-shadow: 0 0 0 8px rgba(102,126,234,.06), 0 8px 24px rgba(102,126,234,.16);
    position:relative;
  }
  .step__num::after{
    content:""; position:absolute; inset:-10px; border-radius:50%;
    border:1px dashed rgba(102,126,234,.3);
    animation: spin 20s linear infinite;
  }
  @keyframes spin{ to{ transform: rotate(360deg); } }
  .step h3{ margin:0 0 8px; font-size:1.08rem; letter-spacing:-.01em; }
  .step p{ margin:0; color:var(--text-soft); font-size:.9rem; }

  /* Platforms */
  .platform-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
  .platform-card{
    padding:28px 26px; border-radius:var(--r-lg);
    border:1px solid var(--line);
    background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
    box-shadow: var(--shadow-md);
    position:relative; overflow:hidden;
    transition: transform .3s ease, border-color .3s ease;
  }
  .platform-card:hover{ transform:translateY(-4px); border-color:rgba(118,75,162,.26); }
  .platform-card::before{
    content:""; position:absolute; top:-40%; right:-40%; width:80%; height:80%;
    background: radial-gradient(circle, rgba(118,75,162,.15), transparent 60%);
    opacity:0; transition:opacity .3s;
  }
  .platform-card:hover::before{ opacity:1; }
  .platform-card > *{ position:relative; z-index:1; }
  .platform-card__icon{
    display:grid; place-items:center;
    width:52px; height:52px; border-radius:14px; margin-bottom:20px;
    color:var(--accent-2);
    background: linear-gradient(135deg, rgba(102,126,234,.16), rgba(118,75,162,.1));
    border:1px solid rgba(102,126,234,.18);
  }
  .platform-card__icon svg{ width:26px; height:26px; fill:none; stroke:currentColor; stroke-width:1.8; stroke-linecap:round; stroke-linejoin:round; }
  .platform-card h3{ margin:0 0 8px; font-size:1.22rem; letter-spacing:-.02em; }
  .platform-card p{ margin:0; color:var(--text-soft); font-size:.95rem; line-height:1.6; }
  .platform-card__tags{ display:flex; flex-wrap:wrap; gap:7px; margin-top:18px; }
  .platform-card__tags span{
    padding:5px 10px; border-radius:999px;
    border:1px solid rgba(102,126,234,.2);
    background:rgba(102,126,234,.08);
    color:#cdd5ff; font-size:.74rem; font-weight:600;
  }

  /* Security */
  .security-grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:28px; align-items:start; }
  .security-list{ list-style:none; margin:0; padding:0; display:grid; gap:12px; }
  .security-list li{
    display:flex; gap:16px; align-items:flex-start;
    padding:20px; border-radius:18px;
    background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
    border:1px solid var(--line);
    box-shadow: var(--shadow-md);
    transition: transform .25s, border-color .25s;
  }
  .security-list li:hover{ transform:translateX(4px); border-color:rgba(102,126,234,.2); }
  .security-list__icon{
    flex:0 0 auto; width:36px; height:36px; border-radius:10px;
    display:grid; place-items:center;
    color:var(--accent);
    background: rgba(102,126,234,.1); border:1px solid rgba(102,126,234,.18);
  }
  .security-list__icon svg{ width:18px; height:18px; fill:none; stroke:currentColor; stroke-width:2.2; stroke-linecap:round; stroke-linejoin:round; }
  .security-list h3{ margin:0 0 4px; font-size:1.02rem; letter-spacing:-.01em; }
  .security-list p{ margin:0; color:var(--text-soft); font-size:.92rem; line-height:1.55; }

  .crypto-card{
    padding:28px; border-radius:var(--r-lg);
    background:
      linear-gradient(135deg, rgba(102,126,234,.08), rgba(118,75,162,.08), rgba(220,184,255,.04)),
      rgba(18,18,29,.88);
    border:1px solid var(--line);
    box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,.06);
    position:relative; overflow:hidden;
  }
  .crypto-card::before{
    content:""; position:absolute; top:-50%; right:-30%; width:300px; height:300px;
    background: radial-gradient(circle, rgba(102,126,234,.2), transparent 60%);
    filter:blur(40px);
  }
  .crypto-card > *{ position:relative; z-index:1; }
  .crypto-card h3{
    margin:0 0 20px; font-size:1.15rem; letter-spacing:-.01em;
    display:flex; align-items:center; gap:10px;
  }
  .crypto-card h3::before{
    content:""; width:4px; height:20px; border-radius:2px;
    background: linear-gradient(180deg, var(--accent), var(--accent-2));
  }
  .crypto-row{
    display:flex; align-items:center; justify-content:space-between; gap:16px;
    padding:12px 0; border-bottom:1px dashed rgba(255,255,255,.1);
  }
  .crypto-row:last-of-type{ border-bottom:none; }
  .crypto-label{ color:var(--text-muted); font-size:.88rem; }
  .crypto-value{
    color:var(--text); font-family:var(--mono);
    font-size:.88rem; font-weight:600;
    padding:4px 10px; border-radius:8px;
    background:rgba(102,126,234,.08); border:1px solid rgba(102,126,234,.16);
  }
  .crypto-note{
    margin-top:20px; padding:14px 16px; border-radius:14px;
    background:rgba(102,126,234,.06); border:1px solid rgba(102,126,234,.14);
    color:var(--text-soft); font-size:.88rem; line-height:1.55;
    display:flex; gap:12px; align-items:flex-start;
  }
  .crypto-note::before{
    content:"i"; flex:0 0 auto;
    width:22px; height:22px; border-radius:50%;
    background:rgba(102,126,234,.2); color:var(--accent);
    display:grid; place-items:center; font-weight:700; font-size:.8rem;
  }

  /* Code block */
  .code-block{
    max-width:780px; margin:0 auto;
    border-radius:var(--r-lg); overflow:hidden;
    background:#10101a;
    border:1px solid var(--line);
    box-shadow: var(--shadow-lg), 0 0 60px -20px rgba(102,126,234,.2);
    position:relative;
  }
  .code-block::before{
    content:""; position:absolute; inset:-1px; border-radius:inherit;
    background: linear-gradient(135deg, rgba(102,126,234,.28), transparent 40%, transparent 60%, rgba(118,75,162,.28));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor; mask-composite: exclude;
    padding:1px; pointer-events:none;
  }
  .code-block__head{
    display:flex; align-items:center; gap:8px;
    padding:14px 20px;
    background: rgba(255,255,255,.02);
    border-bottom:1px solid var(--line);
  }
  .code-block__title{
    margin-left:auto; color:var(--text-muted);
    font-size:.78rem; font-weight:700; letter-spacing:.16em; text-transform:uppercase;
    font-family:var(--mono);
  }
  .code-block__copy{
    padding:6px 12px; border-radius:8px;
    background:rgba(255,255,255,.04); border:1px solid var(--line);
    color:var(--text-soft); font-size:.78rem; font-weight:600;
    display:inline-flex; align-items:center; gap:6px;
    transition: all .2s;
  }
  .code-block__copy:hover{ background:rgba(102,126,234,.1); color:var(--accent); border-color:rgba(102,126,234,.22); }
  .code-block__copy svg{ width:14px; height:14px; }
  .code-block__copy.copied{ color:var(--accent); border-color:rgba(102,126,234,.3); }
  .code-block__body{
    padding:26px 28px; overflow-x:auto;
    font-family:var(--mono); font-size:.9rem; line-height:1.9;
    white-space:pre; color:var(--text);
  }
  .code-block__body .prompt{ color:#93ffb6; user-select:none; }
  .code-block__body .cmd{ color:var(--text); }
  .code-block__body .comment{ color:var(--text-muted); }
  .code-block__body .url{ color:var(--accent); }
  .code-block__body .flag{ color:#ffb86b; }

  /* CTA */
  .cta{ padding:120px 0; }
  .cta-box{
    position:relative; overflow:hidden;
    padding:80px 50px; border-radius:32px;
    background:
      radial-gradient(circle at 20% 40%, rgba(255,255,255,.15), transparent 35%),
      radial-gradient(circle at 80% 40%, rgba(255,255,255,.1), transparent 30%),
      linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border:1px solid rgba(255,255,255,.18);
    box-shadow: 0 40px 100px -30px rgba(102,126,234,.45);
    text-align:center;
  }
  .cta-box::before{
    content:""; position:absolute; inset:0;
    background-image:
      radial-gradient(circle at 30% 20%, rgba(255,255,255,.3), transparent 20%),
      radial-gradient(circle at 70% 80%, rgba(255,255,255,.2), transparent 20%);
    opacity:.6; pointer-events:none;
  }
  .cta-box > *{ position:relative; z-index:1; }
  .cta-box h2{
    margin:0; font-size:clamp(2.2rem,4.5vw,3.6rem);
    line-height:1.02; letter-spacing:-.04em; color:#fff; font-weight:800;
  }
  .cta-box p{
    max-width:58ch; margin:20px auto 0;
    color:rgba(255,255,255,.9); font-size:1.08rem; line-height:1.6;
  }
  .cta-actions{ display:flex; flex-wrap:wrap; justify-content:center; gap:12px; margin-top:36px; }
  .cta .btn--primary{
    background:#fff; color:#2a4cc8;
    box-shadow: 0 12px 28px rgba(0,0,0,.2), inset 0 1px 0 rgba(255,255,255,.5);
  }
  .cta .btn--primary:hover{ box-shadow: 0 16px 36px rgba(0,0,0,.26); }
  .cta .btn--ghost{
    background:rgba(255,255,255,.1); border-color:rgba(255,255,255,.3); color:#fff;
    backdrop-filter:blur(8px);
  }
  .cta .btn--ghost:hover{ background:rgba(255,255,255,.18); border-color:rgba(255,255,255,.5); }

  /* Footer */
  .site-footer{
    padding:60px 0 40px; border-top:1px solid var(--line);
    background: linear-gradient(180deg, transparent, rgba(0,0,0,.32));
  }
  .site-footer__grid{
    display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap:40px;
    padding-bottom:40px; border-bottom:1px solid var(--line);
  }
  .site-footer__brand p{
    margin:14px 0 0; color:var(--text-soft); font-size:.92rem; max-width:36ch;
  }
  .footer-col h4{
    margin:0 0 16px; font-size:.78rem; font-weight:700;
    color:var(--text-muted); text-transform:uppercase; letter-spacing:.16em;
  }
  .footer-col a{
    display:block; color:var(--text-soft); font-size:.92rem; padding:5px 0;
    transition: color .2s;
  }
  .footer-col a:hover{ color:var(--accent); }
  .site-footer__bottom{
    display:flex; justify-content:space-between; align-items:center; gap:16px; flex-wrap:wrap;
    padding-top:28px; color:var(--text-muted); font-size:.88rem;
  }

  /* Reveal */
  .reveal{ opacity:0; transform:translateY(20px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
  .reveal.is-visible{ opacity:1; transform:none; }
  .reveal[data-delay="1"]{ transition-delay:.1s; }
  .reveal[data-delay="2"]{ transition-delay:.2s; }
  .reveal[data-delay="3"]{ transition-delay:.3s; }
  .reveal[data-delay="4"]{ transition-delay:.4s; }
  .reveal[data-delay="5"]{ transition-delay:.5s; }

  /* Responsive */
  @media (max-width:1080px){
    .hero__grid, .security-grid{ grid-template-columns:1fr; gap:40px; }
    .hero__visual{ order:-1; }
    .feature-grid, .platform-grid, .stats-bar, .site-footer__grid{ grid-template-columns:repeat(2,1fr); }
    .signal-panels{ grid-template-columns:repeat(2, minmax(0, 1fr)); }
  }
  @media (max-width:860px){
    .section{ padding:80px 0; }
    .site-header__toggle{ display:inline-flex; }
    .site-header__menu{
      position:absolute; left:16px; right:16px; top:calc(100% + 12px);
      display:grid; gap:14px; padding:18px;
      border-radius:20px; background:rgba(10,10,20,.98);
      border:1px solid var(--line);
      box-shadow:var(--shadow-lg);
      backdrop-filter:blur(20px);
      opacity:0; visibility:hidden; pointer-events:none;
      transform:translateY(-8px);
      max-height:calc(100vh - 104px); overflow:auto;
      transition: opacity .25s, visibility .25s, transform .25s;
    }
    .site-header.is-open .site-header__menu{ opacity:1; visibility:visible; pointer-events:auto; transform:none; }
    .site-nav{ display:grid; gap:2px; }
    .site-nav a{ padding:12px 14px; border-radius:10px; }
    .site-header__actions{ flex-direction:column; align-items:stretch; }
    .site-header__actions .btn{ width:100%; }
    .steps{ grid-template-columns:repeat(2,1fr); }
    .steps::before{ display:none; }
  }
  @media (max-width:600px){
    .shell{ width:min(var(--shell), calc(100% - 24px)); }
    .site-header__inner{ min-height:68px; }
    .brand__mark{ width:38px; height:38px; }
    .feature-grid, .platform-grid, .stats-bar, .steps, .site-footer__grid{ grid-template-columns:1fr; }
    .signal-panels{ grid-template-columns:1fr; }
    .signal-orbit{ width:min(100%, 440px); }
    .signal-orbit__core{ width:min(78%, 300px); }
    .showcase__body{ grid-template-columns:1fr; }
    .cta-box{ padding:56px 24px; }
    .cta-actions{ flex-direction:column; }
    .cta-actions .btn{ width:100%; }
    .hero{ padding-top:40px; }
  }
  .skip-link{
    position:absolute;
    left:16px;
    top:-60px;
    z-index:1000;
    padding:12px 16px;
    border-radius:999px;
    background:var(--accent);
    color:#031119;
    font-weight:800;
    transition:top .2s;
  }
  .skip-link:focus{ top:16px; }
  @media (prefers-reduced-motion: reduce){
    *,*::before,*::after{ animation-duration:.01ms!important; transition-duration:.01ms!important; }
    .reveal{ opacity:1; transform:none; }
  }