:root {
    --bg: #05070F; --bg-2: #0A0F1F; --card: #0D1428; --card-2: #101A38;
    --line: #1B2547; --line-soft: #141D3A;
    --ink: #ECEFF8; --ink-dim: #9DA9C9; --ink-faint: #6E7A9E;
    --cyan: #34D4C9; --cyan-2: #7DE9E1; --cyan-dim: rgba(52,212,201,.14);
    --red: #FF8F8F; --red-dim: rgba(255,143,143,.12); --green: #4ADE80;
    --radius: 16px; --maxw: 1160px;
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    background: var(--bg); color: var(--ink);
    font-family: Inter, "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden;
  }
  ::selection { background: rgba(52,212,201,.3); }
  .wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
  code { font-family: "Cascadia Code", Consolas, "JetBrains Mono", monospace; font-size: .92em; }
  a:focus-visible, summary:focus-visible, button:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 8px; }

  .reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s cubic-bezier(.2,.65,.3,1), transform .7s cubic-bezier(.2,.65,.3,1); }
  .reveal.in { opacity: 1; transform: translateY(0); }
  .reveal.d1{transition-delay:.08s} .reveal.d2{transition-delay:.16s} .reveal.d3{transition-delay:.24s} .reveal.d4{transition-delay:.32s}
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; } .reveal { opacity: 1 !important; transform: none !important; transition: none !important; } * { animation: none !important; }
  }

  header { position: sticky; top: 0; z-index: 60; background: rgba(5,7,15,.78); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--line-soft); }
  .nav { display: flex; align-items: center; gap: 24px; height: 66px; }
  .brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--ink); }
  .brand img { width: 34px; height: 34px; border-radius: 9px; }
  .brand b { font-size: 17px; letter-spacing: .2px; }
  .brand .sub { display: block; font-size: 10.5px; color: var(--cyan); font-weight: 700; letter-spacing: .14em; text-transform: uppercase; line-height: 1.15; }
  .nav-links { margin-left: auto; display: flex; gap: 6px; align-items: center; }
  .nav-links > a { color: var(--ink-dim); text-decoration: none; font-size: 14.5px; font-weight: 500; padding: 8px 13px; border-radius: 9px; transition: color .15s, background .15s; }
  .nav-links > a:hover { color: var(--ink); background: var(--card); }
  .btn { display: inline-flex; align-items: center; gap: 9px; background: var(--cyan); color: #04241F; border: 0; cursor: pointer; font: inherit; font-weight: 700; font-size: 14.5px; padding: 11px 22px; border-radius: 11px; text-decoration: none; transition: transform .15s, box-shadow .15s, background .15s; }
  .btn:hover { transform: translateY(-1px); box-shadow: 0 8px 28px rgba(52,212,201,.38); background: #4DDFD5; }
  .btn.ghost { background: transparent; color: var(--cyan-2); border: 1px solid rgba(52,212,201,.35); }
  .btn.ghost:hover { border-color: var(--cyan); background: var(--cyan-dim); box-shadow: none; }
  #navtoggle { display: none; }
  .burger { display: none; margin-left: auto; cursor: pointer; padding: 10px; border-radius: 9px; border: 1px solid var(--line); }
  @media (max-width: 920px) {
    .nav-links > a { display: none; }
    .burger { display: block; }
    #navtoggle:checked ~ .nav-links { position: absolute; top: 66px; left: 0; right: 0; display: flex; flex-direction: column; align-items: stretch; gap: 2px; background: var(--bg-2); border-bottom: 1px solid var(--line); padding: 12px 20px 18px; }
    #navtoggle:checked ~ .nav-links > a { display: block; padding: 13px 14px; font-size: 15.5px; }
    #navtoggle:checked ~ .nav-links .btn { margin-top: 10px; justify-content: center; }
  }

  .hero { position: relative; padding: 92px 0 88px; overflow: hidden; }
  .hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(720px 420px at 22% 8%, rgba(52,212,201,.11), transparent 62%), radial-gradient(560px 340px at 88% 22%, rgba(66,135,245,.08), transparent 60%); }
  .hero::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5; background-image: linear-gradient(rgba(140,160,220,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(140,160,220,.05) 1px, transparent 1px); background-size: 56px 56px; mask-image: radial-gradient(760px 460px at 40% 20%, #000 0%, transparent 72%); -webkit-mask-image: radial-gradient(760px 460px at 40% 20%, #000 0%, transparent 72%); }
  .hero .wrap { position: relative; z-index: 1; display: grid; grid-template-columns: 1.08fr .92fr; gap: 64px; align-items: center; }
  .tag { display: inline-flex; align-items: center; gap: 9px; border: 1px solid rgba(52,212,201,.35); background: rgba(52,212,201,.07); color: var(--cyan-2); font-size: 12.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; padding: 7px 15px; border-radius: 999px; margin-bottom: 24px; }
  .tag .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); animation: pulse 2.4s infinite; }
  @keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }
  h1 { font-size: clamp(34px, 4.7vw, 54px); line-height: 1.08; font-weight: 800; letter-spacing: -.025em; }
  h1 .grad { background: linear-gradient(92deg, var(--cyan) 10%, var(--cyan-2) 55%, #BFF7F1 90%); -webkit-background-clip: text; background-clip: text; color: transparent; }
  .sub { margin: 22px 0 32px; font-size: 17.5px; color: var(--ink-dim); max-width: 36em; }
  .cta-row { display: flex; gap: 14px; flex-wrap: wrap; }
  .checks { margin-top: 26px; display: flex; flex-direction: column; gap: 9px; font-size: 14px; color: var(--ink-dim); }
  .checks span { display: flex; gap: 10px; align-items: center; }
  .checks svg { flex: 0 0 auto; color: var(--cyan); }

  .stage { position: relative; }
  .glow { position: absolute; inset: 12% -6% -4% 6%; background: radial-gradient(closest-side, rgba(52,212,201,.16), transparent 70%); filter: blur(14px); }
  .appwin { position: relative; border-radius: 14px; overflow: hidden; background: rgba(13,20,40,.86); border: 1px solid rgba(90,130,190,.28); box-shadow: 0 30px 80px rgba(0,0,0,.55), 0 0 0 1px rgba(52,212,201,.06), 0 0 60px rgba(52,212,201,.07); backdrop-filter: blur(6px); font-size: 12px; animation: float 7s ease-in-out infinite; }
  @keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
  .titlebar { height: 34px; display: flex; align-items: center; gap: 7px; padding: 0 13px; background: rgba(10,15,31,.9); border-bottom: 1px solid rgba(90,130,190,.16); }
  .titlebar i { width: 9px; height: 9px; border-radius: 50%; background: #263458; }
  .titlebar i:nth-child(3) { background: rgba(52,212,201,.5); }
  .titlebar b { margin-left: 8px; font-weight: 600; color: var(--ink-dim); font-size: 11px; letter-spacing: .02em; }
  .appbody { display: grid; grid-template-columns: 128px 1fr; min-height: 300px; }
  .rails { border-right: 1px solid rgba(90,130,190,.14); padding: 12px 8px; background: rgba(8,12,26,.5); display: flex; flex-direction: column; gap: 3px; }
  .rail-logo { display: flex; gap: 7px; align-items: center; padding: 4px 7px 12px; }
  .rail-logo img { width: 22px; height: 22px; border-radius: 6px; }
  .rail-logo span { font-size: 10.5px; font-weight: 700; }
  .rail-logo em { display: block; font-style: normal; font-weight: 600; font-size: 8px; color: var(--ink-faint); letter-spacing: .06em; }
  .rail { display: flex; align-items: center; gap: 8px; padding: 6px 8px; border-radius: 7px; color: var(--ink-dim); font-size: 10.5px; }
  .rail.on { background: rgba(52,212,201,.12); color: var(--cyan-2); font-weight: 600; }
  .railspc { flex: 1; }
  .railtag { margin: 4px 2px 0; padding: 5px 8px; border-radius: 7px; background: rgba(52,212,201,.08); border: 1px solid rgba(52,212,201,.18); color: var(--cyan-2); font-size: 8px; font-weight: 700; letter-spacing: .05em; text-align: center; }
  .pane { padding: 16px 16px 14px; }
  .pane h4 { font-size: 15px; font-weight: 700; letter-spacing: -.01em; }
  .pane > p { font-size: 10px; color: var(--ink-faint); margin: 3px 0 12px; }
  .health { display: flex; gap: 11px; align-items: center; background: var(--card-2); border: 1px solid rgba(90,130,190,.2); border-radius: 11px; padding: 12px 14px; }
  .health .ring { flex: 0 0 auto; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: rgba(52,212,201,.14); color: var(--green); font-weight: 800; font-size: 15px; }
  .health b { font-size: 11.5px; display: block; }
  .health span { font-size: 9.5px; color: var(--ink-faint); display: block; margin-top: 1px; }
  .minis { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin-top: 11px; }
  .mini { background: var(--card-2); border: 1px solid rgba(90,130,190,.18); border-radius: 10px; padding: 9px 11px; }
  .mini span { font-size: 8.5px; color: var(--ink-faint); text-transform: uppercase; letter-spacing: .07em; font-weight: 700; }
  .mini b { display: block; font-size: 10.5px; margin-top: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .mini small { font-size: 8.5px; color: var(--ink-faint); }
  .capline { display: flex; align-items: center; gap: 7px; font-size: 9px; color: var(--ink-dim); padding: 4.5px 0; border-bottom: 1px dashed rgba(90,130,190,.14); }
  .capline:last-child { border-bottom: 0; }
  .capline .c { color: var(--green); } .capline .o { color: var(--ink-faint); }
  .caps { margin-top: 11px; background: var(--card-2); border: 1px solid rgba(90,130,190,.18); border-radius: 10px; padding: 9px 12px; }
  .caps > b { font-size: 9.5px; letter-spacing: .05em; color: var(--ink-dim); text-transform: uppercase; }

  .strip { border-block: 1px solid var(--line-soft); background: var(--bg-2); }
  .strip .wrap { display: grid; grid-template-columns: repeat(4, 1fr); text-align: center; }
  .cell { padding: 30px 18px; border-left: 1px solid var(--line-soft); }
  .cell:first-child { border-left: 0; }
  .cell b { display: block; font-size: 26px; letter-spacing: -.02em; color: var(--cyan); font-weight: 800; }
  .cell span { font-size: 13px; color: var(--ink-dim); }

  section { padding: 96px 0; }
  .kicker { color: var(--cyan); font-size: 12.5px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; display: inline-flex; align-items: center; gap: 10px; }
  .kicker::before { content: ""; width: 22px; height: 2px; background: var(--cyan); border-radius: 2px; }
  h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; letter-spacing: -.02em; margin: 12px 0 14px; }
  .lead { color: var(--ink-dim); font-size: 16.5px; max-width: 46em; }
  .center { text-align: center; } .center .lead { margin-inline: auto; }
  .center .kicker { justify-content: center; }
  .center .kicker::after { content: ""; width: 22px; height: 2px; background: var(--cyan); border-radius: 2px; }

  .grid { display: grid; gap: 18px; margin-top: 50px; }
  .grid.c3 { grid-template-columns: repeat(3, 1fr); }
  .card { background: linear-gradient(180deg, var(--card), rgba(13,20,40,.65)); border: 1px solid var(--line); border-radius: var(--radius); padding: 27px 26px; position: relative; overflow: hidden; transition: border-color .18s, transform .18s, box-shadow .18s; }
  .card:hover { border-color: rgba(52,212,201,.4); transform: translateY(-3px); box-shadow: 0 18px 44px rgba(0,0,0,.35); }
  .card .ico { width: 46px; height: 46px; border-radius: 12px; margin-bottom: 18px; display: grid; place-items: center; color: var(--cyan); background: var(--cyan-dim); border: 1px solid rgba(52,212,201,.3); }
  .card h3 { font-size: 17px; margin-bottom: 8px; letter-spacing: -.01em; }
  .card p { font-size: 14px; color: var(--ink-dim); }
  .card .ft { margin-top: 14px; font-size: 11.5px; color: var(--ink-faint); border-top: 1px dashed var(--line); padding-top: 11px; }
  .card .ft b { color: var(--cyan-2); font-weight: 600; }

  /* ============ LIVE DEMO (faithful UI replica) ============ */
  .demo-shell { margin-top: 52px; border-radius: 18px; overflow: hidden; border: 1px solid rgba(90,130,190,.3); background: #0A0F22; box-shadow: 0 34px 90px rgba(0,0,0,.5), 0 0 80px rgba(52,212,201,.06); }
  .demo-titlebar { height: 40px; display: flex; align-items: center; gap: 8px; padding: 0 16px; background: #0A0E1E; border-bottom: 1px solid rgba(90,130,190,.16); }
  .demo-titlebar i { width: 11px; height: 11px; border-radius: 50%; background: #263458; }
  .demo-titlebar i:nth-child(3) { background: rgba(52,212,201,.55); }
  .demo-titlebar b { margin-left: 10px; font-weight: 600; color: var(--ink-dim); font-size: 12.5px; }
  .demo-titlebar .dm-live { margin-left: auto; font-size: 10.5px; color: var(--cyan-2); letter-spacing: .1em; font-weight: 700; border: 1px solid rgba(52,212,201,.35); padding: 4px 10px; border-radius: 999px; background: rgba(52,212,201,.08); }
  .demo-body { display: grid; grid-template-columns: 216px 1fr; min-height: 620px; }
  .demo-rails { background: #080C1C; border-right: 1px solid rgba(90,130,190,.14); padding: 16px 10px; display: flex; flex-direction: column; gap: 4px; }
  .demo-rails .rail-logo { padding: 4px 8px 16px; }
  .demo-rails .rail-logo img { width: 30px; height: 30px; border-radius: 8px; }
  .demo-rails .rail-logo span { font-size: 14px; }
  .demo-rails .rail-logo em { font-size: 9.5px; }
  .demo-rail { display: flex; align-items: center; gap: 11px; padding: 10px 12px; border-radius: 9px; color: var(--ink-dim); font-size: 13.5px; cursor: pointer; border: 0; background: none; font: inherit; text-align: left; width: 100%; transition: background .12s, color .12s; }
  .demo-rail:hover { background: rgba(52,212,201,.07); color: var(--ink); }
  .demo-rail.on { background: rgba(52,212,201,.13); color: var(--cyan-2); font-weight: 600; position: relative; }
  .demo-rail.on::before { content: ""; position: absolute; left: -10px; top: 20%; bottom: 20%; width: 3px; border-radius: 3px; background: var(--cyan); }
  .demo-panes { position: relative; overflow: hidden auto; max-height: 620px; }
  .demo-page { display: none; padding: 30px 34px 30px; animation: demoIn .3s ease; }
  .demo-page.on { display: block; }
  @keyframes demoIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
  .demo-page h3 { font-size: 22px; font-weight: 800; letter-spacing: -.02em; }
  .demo-page .dsub { font-size: 13px; color: var(--ink-dim); margin: 5px 0 18px; }
  .dstat { font-size: 11.5px; color: var(--ink-faint); margin-top: 2px; }
  .dcard { background: var(--card-2); border: 1px solid rgba(90,130,190,.2); border-radius: 13px; padding: 18px 20px; margin-top: 14px; }
  .dcard h5 { font-size: 14px; margin-bottom: 4px; }
  .dcard .dnote { font-size: 11.5px; color: var(--ink-dim); }
  .dhealth { display: flex; gap: 13px; align-items: flex-start; }
  .dhealth .ring { flex: 0 0 auto; width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: rgba(74,222,128,.13); color: var(--green); font-weight: 800; font-size: 17px; }
  .dhealth b { font-size: 14px; display: block; }
  .dhealth small { color: var(--ink-faint); font-size: 11.5px; display: block; margin-top: 3px; }
  .dminis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 11px; margin-top: 14px; }
  .dmini { background: var(--card-2); border: 1px solid rgba(90,130,190,.18); border-radius: 12px; padding: 12px 14px; }
  .dmini span { font-size: 10px; color: var(--ink-faint); text-transform: uppercase; letter-spacing: .08em; font-weight: 700; }
  .dmini b { display: block; font-size: 13px; margin-top: 4px; }
  .dmini small { font-size: 10.5px; color: var(--ink-faint); }
  .dcap { font-size: 11.5px; padding: 5px 0; border-bottom: 1px dashed rgba(90,130,190,.14); color: var(--ink-dim); display: flex; gap: 8px; }
  .dcap:last-child { border-bottom: 0; }
  .dcap .mk { color: var(--green); } .dcap .mk.o { color: var(--ink-faint); }
  .dinfo { display: flex; gap: 11px; align-items: flex-start; background: rgba(52,212,201,.06); border: 1px solid rgba(52,212,201,.22); border-left: 3px solid var(--cyan); border-radius: 10px; padding: 13px 16px; margin-top: 14px; font-size: 12px; color: var(--ink-dim); }
  .dinfo b { color: var(--cyan-2); }
  .dinfo .di { flex: 0 0 auto; width: 19px; height: 19px; border-radius: 50%; background: rgba(52,212,201,.18); color: var(--cyan); display: grid; place-items: center; font-size: 11px; font-weight: 800; }
  .dinfo.ok { background: rgba(74,222,128,.06); border-color: rgba(74,222,128,.22); border-left-color: var(--green); }
  .dinfo.ok .di { background: rgba(74,222,128,.16); color: var(--green); }
  .dbtn { display: inline-flex; align-items: center; gap: 7px; background: #182247; color: var(--ink); border: 1px solid rgba(90,130,190,.35); font: inherit; font-size: 12px; font-weight: 600; padding: 8px 15px; border-radius: 9px; cursor: pointer; transition: background .12s, border-color .12s; }
  .dbtn:hover { background: #1E2C58; border-color: rgba(140,170,230,.45); }
  .dbtn.accent { background: var(--cyan); border-color: transparent; color: #04241F; }
  .dbtn.accent:hover { background: #4DDFD5; }
  .dbtn[disabled] { opacity: .38; cursor: not-allowed; }
  .dbtnrow { display: flex; gap: 9px; flex-wrap: wrap; margin-top: 12px; }
  .dring { width: 15px; height: 15px; border-radius: 50%; border: 2.5px solid rgba(52,212,201,.25); border-top-color: var(--cyan); animation: dspin .8s linear infinite; display: none; vertical-align: -3px; }
  .dring.on { display: inline-block; }
  @keyframes dspin { to { transform: rotate(360deg); } }
  .srow { display: grid; grid-template-columns: 210px 104px 1fr auto; gap: 14px; align-items: center; padding: 9px 4px; border-bottom: 1px solid rgba(90,130,190,.12); font-size: 12px; }
  .srow:last-child { border-bottom: 0; }
  .srow .sn { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .srow .sc { color: var(--ink-faint); font-size: 11px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .sstate { font-size: 11.5px; font-weight: 700; }
  .sstate.en { color: var(--green); } .sstate.dis { color: var(--ink-faint); }
  .rrow { display: grid; grid-template-columns: 158px 1fr; gap: 16px; padding: 11px 4px; border-bottom: 1px solid rgba(90,130,190,.12); font-size: 12px; }
  .rrow:last-child { border-bottom: 0; }
  .rrow b { font-size: 12px; }
  .rrow .rs { display: block; color: var(--ink-faint); font-size: 10.5px; margin-top: 2px; }
  .rrow .rd { color: var(--ink-dim); }
  .listline { font-size: 11.5px; color: var(--ink-dim); padding: 3px 0; }
  .pill-list { display: flex; flex-direction: column; gap: 7px; }
  .pill-list .pl { display: flex; gap: 9px; font-size: 12.5px; color: var(--ink-dim); }
  .pill-list .pl .y { color: var(--green); font-weight: 700; } .pill-list .pl .n { color: var(--red); font-weight: 700; }

  .vs { margin-top: 50px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--card); }
  .vs table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
  .vs th, .vs td { padding: 17px 22px; text-align: left; vertical-align: top; }
  .vs thead th { font-size: 13px; letter-spacing: .09em; text-transform: uppercase; background: var(--bg-2); }
  .vs thead th:first-child { width: 46%; color: var(--ink-faint); font-weight: 700; }
  .vs thead th.you { color: var(--cyan); }
  .vs tbody tr { border-top: 1px solid var(--line-soft); }
  .vs tbody tr:hover { background: rgba(52,212,201,.03); }
  .vs td:first-child { color: var(--ink-dim); }
  .vs td.you b { color: var(--cyan-2); font-weight: 600; }
  .vs .bad { color: var(--red); margin-right: 8px; font-weight: 700; }
  .vs .ok { color: var(--green); margin-right: 8px; font-weight: 700; }

  .safety { background: var(--bg-2); border-block: 1px solid var(--line-soft); }
  .rules { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-top: 46px; }
  .rule { display: flex; gap: 15px; padding: 20px 22px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); font-size: 14px; }
  .rule .mk { flex: 0 0 auto; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; margin-top: 1px; }
  .rule.always .mk { background: rgba(74,222,128,.14); color: var(--green); }
  .rule.never .mk { background: var(--red-dim); color: var(--red); }
  .rule b { display: block; margin-bottom: 3px; font-size: 14.5px; }
  .rule span { color: var(--ink-dim); }

  .ev-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: 44px; align-items: center; }
  .ev-list { display: flex; flex-direction: column; gap: 15px; margin-top: 30px; }
  .ev-item { display: flex; gap: 14px; font-size: 14.5px; color: var(--ink-dim); }
  .ev-item svg { flex: 0 0 auto; color: var(--cyan); margin-top: 3px; }
  .ev-item b { color: var(--ink); font-weight: 600; }
  .term { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: #070B18; box-shadow: 0 24px 60px rgba(0,0,0,.45); }
  .term-head { height: 38px; background: var(--bg-2); border-bottom: 1px solid var(--line-soft); display: flex; align-items: center; gap: 7px; padding: 0 15px; }
  .term-head i { width: 9px; height: 9px; border-radius: 50%; background: #263458; }
  .term-head span { margin-left: 8px; font-size: 11.5px; color: var(--ink-faint); font-family: "Cascadia Code", Consolas, monospace; }
  .term pre { padding: 20px 22px; font-size: 12.8px; line-height: 1.75; overflow-x: auto; font-family: "Cascadia Code", Consolas, "JetBrains Mono", monospace; color: #B8C4E4; }
  .tk-k { color: #7DE9E1; } .tk-s { color: #A8E6A3; } .tk-n { color: #F5C97B; } .tk-c { color: #55648F; }

  .steps { counter-reset: st; margin-top: 50px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .step { position: relative; padding: 28px 26px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
  .step::before { counter-increment: st; content: "0" counter(st); display: inline-grid; place-items: center; font-size: 13px; font-weight: 800; letter-spacing: .06em; color: #04241F; background: var(--cyan); border-radius: 9px; padding: 6px 10px; margin-bottom: 18px; }
  .step h3 { font-size: 16.5px; margin-bottom: 7px; }
  .step p { font-size: 14px; color: var(--ink-dim); }

  /* blog strip on landing */
  .blogstrip { background: var(--bg-2); border-block: 1px solid var(--line-soft); }
  .blog-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 46px; }
  .bpost { display: block; text-decoration: none; color: inherit; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; transition: border-color .15s, transform .15s; }
  .bpost:hover { border-color: rgba(52,212,201,.4); transform: translateY(-3px); }
  .bpost .bt { display: inline-block; font-size: 10.5px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--cyan); background: var(--cyan-dim); border: 1px solid rgba(52,212,201,.28); padding: 4px 10px; border-radius: 999px; margin-bottom: 14px; }
  .bpost h3 { font-size: 16.5px; letter-spacing: -.01em; margin-bottom: 8px; line-height: 1.35; }
  .bpost p { font-size: 13px; color: var(--ink-dim); }
  .bpost .bm { margin-top: 16px; font-size: 11.5px; color: var(--ink-faint); }
  .more-link { display: inline-flex; margin-top: 34px; align-items: center; gap: 8px; color: var(--cyan-2); text-decoration: none; font-weight: 600; font-size: 15px; }
  .more-link:hover { text-decoration: underline; }

  .dl-card { position: relative; overflow: hidden; background: linear-gradient(140deg, #0B1B3D, #0A2A3D 55%, #0B3540); border: 1px solid rgba(52,212,201,.4); border-radius: 22px; padding: 54px 52px; display: grid; grid-template-columns: 1.4fr .6fr; gap: 46px; align-items: center; box-shadow: 0 30px 90px rgba(0,0,0,.4); }
  .dl-card::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .45; background-image: linear-gradient(rgba(125,233,225,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(125,233,225,.06) 1px, transparent 1px); background-size: 44px 44px; mask-image: radial-gradient(560px 320px at 85% 15%, #000, transparent 72%); -webkit-mask-image: radial-gradient(560px 320px at 85% 15%, #000, transparent 72%); }
  .dl-card > * { position: relative; }
  .dl-card h2 { font-size: clamp(25px, 3.2vw, 34px); margin: 10px 0 12px; }
  .dl-list { margin: 20px 0 26px; display: flex; flex-direction: column; gap: 8px; font-size: 13.5px; color: var(--ink-dim); }
  .dl-list span { display: flex; gap: 9px; align-items: baseline; }
  .dl-list svg { align-self: center; color: var(--cyan); flex: 0 0 auto; }
  .dl-list code { color: var(--cyan-2); background: rgba(5,7,15,.55); padding: 2px 8px; border-radius: 6px; border: 1px solid rgba(52,212,201,.22); word-break: break-all; }
  .hash { display: flex; gap: 9px; align-items: center; margin-top: 18px; }
  .hash code { flex: 1; min-width: 0; font-size: 12px; color: var(--cyan-2); background: rgba(5,7,15,.6); border: 1px solid rgba(52,212,201,.28); padding: 10px 14px; border-radius: 10px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .hash button { padding: 10px 16px; font-size: 13px; border-radius: 10px; }
  .hash button.copied { background: var(--green); }
  .dl-side { text-align: center; }
  .dl-side img { width: 128px; filter: drop-shadow(0 16px 44px rgba(52,212,201,.4)); }
  .dl-side .ver { display: block; margin-top: 14px; font-size: 12px; color: var(--cyan-2); font-weight: 700; letter-spacing: .05em; }
  .req { margin-top: 22px; font-size: 12.5px; color: var(--ink-dim); }
  .req b { color: var(--ink); }

  details { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); margin-top: 13px; overflow: hidden; transition: border-color .15s; }
  details:hover { border-color: rgba(52,212,201,.3); }
  summary { cursor: pointer; padding: 20px 24px; font-weight: 600; font-size: 15.5px; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
  summary::-webkit-details-marker { display: none; }
  summary::after { content: "+"; flex: 0 0 auto; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 8px; background: var(--cyan-dim); color: var(--cyan); font-size: 19px; font-weight: 500; transition: transform .18s; }
  details[open] summary::after { transform: rotate(45deg); }
  details .a { padding: 0 24px 22px; color: var(--ink-dim); font-size: 14.5px; max-width: 62em; }

  footer { border-top: 1px solid var(--line-soft); padding: 46px 0 52px; background: var(--bg-2); }
  .foot { display: flex; flex-wrap: wrap; gap: 30px; justify-content: space-between; align-items: flex-start; }
  .foot small { color: var(--ink-faint); font-size: 12.5px; display: block; margin-top: 14px; }
  .footline { color: var(--ink-dim); font-size: 14px; margin-top: 12px; max-width: 36em; }
  .footlinks { display: flex; gap: 24px; font-size: 13.5px; }
  .footlinks a { color: var(--ink-dim); text-decoration: none; }
  .footlinks a:hover { color: var(--cyan-2); }

  @media (max-width: 1000px) {
    .hero .wrap { grid-template-columns: 1fr; gap: 46px; }
    .stage { max-width: 620px; }
    .grid.c3 { grid-template-columns: repeat(2, 1fr); }
    .steps, .blog-cards { grid-template-columns: 1fr; }
    .ev-grid, .dl-card { grid-template-columns: 1fr; }
    .rules { grid-template-columns: 1fr; }
    .strip .wrap { grid-template-columns: repeat(2, 1fr); }
    .cell { border-top: 1px solid var(--line-soft); } .cell:nth-child(-n+2) { border-top: 0; }
    .cell:nth-child(3) { border-left: 0; }
    .dl-card { padding: 40px 30px; }
    .dl-side { text-align: left; }
    .demo-body { grid-template-columns: 200px 1fr; }
    .dminis { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 680px) {
    section { padding: 70px 0; }
    .grid.c3 { grid-template-columns: 1fr; }
    .vs th, .vs td { padding: 13px 14px; font-size: 13px; }
    .hash { flex-direction: column; align-items: stretch; }
    .demo-body { grid-template-columns: 1fr; }
    .demo-rails { flex-direction: row; flex-wrap: wrap; border-right: 0; border-bottom: 1px solid rgba(90,130,190,.14); }
    .demo-rails .rail-logo, .railspc, .railtag { display: none; }
    .demo-rail { width: auto; }
    .srow { grid-template-columns: 130px 76px 1fr auto; gap: 9px; overflow: hidden; }
    .dminis { grid-template-columns: 1fr; }
    .rrow { grid-template-columns: 1fr; gap: 3px; }
  }

/* ===== v3.1 animation & engagement pack ===== */
/* shimmering gradient on the hero headline */
h1 .grad {
  background: linear-gradient(92deg, var(--cyan) 10%, var(--cyan-2) 40%, #BFF7F1 60%, var(--cyan) 90%);
  background-size: 220% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shimmer 5.5s linear infinite;
}
@keyframes shimmer { to { background-position: -220% 0; } }

/* headline & lede entrance */
@keyframes slideUp { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: none; } }
.hero .tag, .hero h1, .hero .sub, .hero .cta-row, .hero .checks { animation: slideUp .8s cubic-bezier(.2,.65,.2,1) both; }
.hero h1 { animation-delay: .08s; } .hero .sub { animation-delay: .18s; }
.hero .cta-row { animation-delay: .28s; } .hero .checks { animation-delay: .38s; }

/* animated scan-beam across the demo window */
.demo-shell::after {
  content: ""; position: absolute; left: 0; right: 0; top: -30%; height: 34%; pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(52,212,201,.07), transparent);
  animation: scanbeam 6s ease-in-out infinite;
}
.demo-shell { position: relative; }
@keyframes scanbeam { 0%,100% { transform: translateY(0); } 50% { transform: translateY(340%); } }

/* slow rotation halo behind hero logo */
.stage::before {
  content: ""; position: absolute; inset: -8%; border-radius: 50%; pointer-events: none;
  background: conic-gradient(from 0deg, transparent 70%, rgba(52,212,201,.35), transparent 95%);
  animation: slowspin 14s linear infinite;
  mask-image: radial-gradient(closest-side, transparent 62%, #000 66%, #000 70%, transparent 74%);
  -webkit-mask-image: radial-gradient(closest-side, transparent 62%, #000 66%, #000 70%, transparent 74%);
}
@keyframes slowspin { to { transform: rotate(360deg); } }

/* buttons: shine sweep on hover */
.btn { position: relative; overflow: hidden; }
.btn::after {
  content: ""; position: absolute; top: 0; left: -60%; width: 45%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.38), transparent);
  transform: skewX(-20deg); transition: none;
}
.btn:hover::after { animation: shine .8s ease; }
@keyframes shine { to { left: 130%; } }
.btn:active { transform: translateY(1px) scale(.985); }

/* cards: hover glow + border light chase */
.card { position: relative; }
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: var(--radius); padding: 1px; pointer-events: none;
  background: conic-gradient(from var(--spin,0deg), transparent, rgba(52,212,201,.55), transparent 30%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .25s;
}
.card:hover::before { opacity: 1; animation: bspin 2.8s linear infinite; }
@property --spin { syntax: '<angle>'; initial-value: 0deg; inherits: false; }
@keyframes bspin { to { --spin: 360deg; } }
.card .ico { transition: transform .25s, box-shadow .25s; }
.card:hover .ico { transform: translateY(-3px) scale(1.06); box-shadow: 0 8px 22px rgba(52,212,201,.25); }

/* stats strip: cells pop in + underline grow */
.cell { position: relative; }
.cell::after { content: ""; position: absolute; left: 25%; right: 25%; bottom: 12px; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  transform: scaleX(0); transition: transform .5s cubic-bezier(.2,.65,.2,1); }
.cell:hover::after { transform: scaleX(1); }
.cell b { transition: text-shadow .3s; }
.cell:hover b { text-shadow: 0 0 22px rgba(52,212,201,.55); }

/* count-up pulse */
.countup { display: inline-block; }
.countup.on { animation: pop .5s cubic-bezier(.2,.9,.3,1.4); }
@keyframes pop { 0% { transform: scale(.6); } 100% { transform: scale(1); } }

/* marquee ticker between hero and strip */
.ticker { overflow: hidden; border-block: 1px solid var(--line-soft); background: var(--bg-2); padding: 13px 0; }
.ticker .lane { display: flex; gap: 44px; width: max-content; animation: mq 30s linear infinite; }
.ticker:hover .lane { animation-play-state: paused; }
.ticker span { display: inline-flex; align-items: center; gap: 10px; white-space: nowrap; font-size: 13px; letter-spacing: .04em; color: var(--ink-dim); font-weight: 600; }
.ticker span::before { content: "\2726"; color: var(--cyan); font-size: 12px; }
@keyframes mq { to { transform: translateX(-50%); } }

/* step cards cascade */
.steps .step { transition: transform .2s, box-shadow .2s, border-color .2s; }
.steps .step:hover { transform: translateY(-4px); border-color: rgba(52,212,201,.4); box-shadow: 0 14px 36px rgba(0,0,0,.35); }

/* faq: open animation */
details .a { }
details[open] .a { animation: ansIn .28s ease; }
@keyframes ansIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
summary { transition: color .15s; }
details[open] summary { color: var(--cyan-2); }

/* kicker underline pulse */
.kicker::before { animation: kpulse 2.4s ease-in-out infinite; }
@keyframes kpulse { 0%,100% { width: 22px; opacity:1; } 50% { width: 34px; opacity:.7; } }

/* back to top */
.totop {
  position: fixed; right: 22px; bottom: 22px; z-index: 70; width: 46px; height: 46px; border-radius: 13px;
  border: 1px solid rgba(52,212,201,.4); background: rgba(13,20,40,.92); color: var(--cyan);
  font-size: 19px; cursor: pointer; display: grid; place-items: center;
  opacity: 0; pointer-events: none; transform: translateY(12px);
  transition: opacity .25s, transform .25s, border-color .15s;
  backdrop-filter: blur(8px);
}
.totop.on { opacity: 1; pointer-events: auto; transform: none; }
.totop:hover { border-color: var(--cyan); background: rgba(52,212,201,.12); }

/* demo page transitions get a tiny slide */
.demo-page.on { animation: demoIn .32s cubic-bezier(.2,.65,.3,1); }

/* startup toggle state flip flash */
.srow .dbtn { transition: background .15s, transform .12s; }
.srow .dbtn:active { transform: scale(.95); }
.sstate { transition: color .2s; }
.sstate.flip { animation: flash .5s ease; }
@keyframes flash { 0% { background: rgba(52,212,201,.25); border-radius: 6px; } 100% { background: transparent; } }

/* terminal caret blink */
.term pre::after { content: "\2588"; color: var(--cyan); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  .ticker .lane, .card:hover::before, h1 .grad, .stage::before, .demo-shell::after, .term pre::after { animation: none !important; }
  .cell::after { transition: none; }
}

/* ===== v3.2 mobile polish & out-of-frame fixes ===== */
img { max-width: 100%; height: auto; }
html { -webkit-text-size-adjust: 100%; }

/* stop any descending long text from blowing the frame */
*, *::before, *::after { min-width: 0; }

@media (max-width: 860px) {
  /* demo panel padding was desktop-tuned */
  .demo-page { padding: 22px 16px; }
  /* demo titlebar: title must shrink, badge must stay */
  .demo-titlebar { gap: 8px; }
  .demo-titlebar b { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .demo-titlebar .dm-live { flex: 0 0 auto; }
  /* steps readable */
  .steps { gap: 14px; }
  .vs th, .vs td { padding: 12px 14px; }
}

@media (max-width: 620px) {
  /* --- demo: rails become a single horizontal scroll bar --- */
  .demo-body { grid-template-columns: 1fr; min-height: 0; }
  .demo-rails {
    flex-direction: row; flex-wrap: nowrap; overflow-x: auto; overflow-y: hidden;
    gap: 6px; padding: 10px 12px; border-right: 0; border-bottom: 1px solid rgba(90,130,190,.14);
    scrollbar-width: thin; -webkit-overflow-scrolling: touch;
  }
  .demo-rail { flex: 0 0 auto; width: auto; padding: 8px 12px; }
  .demo-rail.on::before { left: 8px; right: 8px; top: auto; bottom: 2px; width: auto; height: 2.5px; border-radius: 3px; }
  .demo-rails .rail-logo, .demo-rails .railspc, .demo-rails .railtag { display: none; }
  .demo-panes { max-height: none; }

  /* --- startup rows: two-line layout, command path hidden --- */
  .srow {
    grid-template-columns: 1fr auto;
    grid-template-areas: "name btn" "state btn";
    column-gap: 10px; row-gap: 3px;
    padding: 10px 2px;
  }
  .srow .sn { grid-area: name; }
  .srow .sstate { grid-area: state; }
  .srow .sc { display: none; }
  .srow .dbtn { grid-area: btn; align-self: center; padding: 8px 14px; }

  /* --- report rows already collapse, keep it --- */
  /* --- minis in demo: 2-up --- */
  .dminis { grid-template-columns: 1fr 1fr; }

  /* --- hero replica: dense evidence block is unreadable on pockets --- */
  .appwin .caps { display: none; }
  .appbody { grid-template-columns: 118px 1fr; min-height: 240px; }
  .appwin { font-size: 11px; }

  /* --- terminal JSON block --- */
  .term pre { font-size: 11.5px; }

  /* --- cta buttons can't be thumb-hunted --- */
  .cta-row .btn { width: 100%; justify-content: center; }

  /* --- card grid purely single column at this width --- */
  .grid.c3 { grid-template-columns: 1fr; }

  /* --- rules list single --- */
  .rules { grid-template-columns: 1fr; }

  /* --- vs table stays two-col but tighter --- */
  .vs th, .vs td { font-size: 12.5px; }

  /* --- header buttons --- */
  .nav-links .btn { padding: 9px 14px; font-size: 13px; }

  /* --- download card inner --- */
  .dl-card { padding: 30px 20px; }
  .dl-list { font-size: 12.5px; }
}

@media (max-width: 400px) {
  .hero { padding: 64px 0 52px; }
  h1 { font-size: clamp(27px, 8.4vw, 33px); }
  .dm-live { display: none; }
  .dminis { grid-template-columns: 1fr; }
  .dbtnrow .dbtn { flex: 1 1 100%; justify-content: center; }
  .dbtnrow .dbtn.accent { flex-basis: 100%; }
  .cell b { font-size: 23px; }
  section { padding: 64px 0; }
  .term-head span { max-width: 100%; overflow: hidden; text-overflow: ellipsis; }
}