:root {
    --bg: #e6effb; --bg2: #d6e5f8; --card: #ffffff; --card2: #f2f6fd;
    --line: rgba(20,37,63,0.10); --line2: rgba(20,37,63,0.18);
    --ink: #14253f; --ink2: #233e62; --mute: rgba(20,37,63,0.66); --dim: rgba(20,37,63,0.42);
    --acc: #87b4f4; --acc2: #416fae; --accsoft: rgba(135,180,244,0.14);
    --head: "Outfit", "Inter", system-ui, sans-serif; --sans: "Inter", system-ui, sans-serif;
    --mono: ui-monospace, SFMono-Regular, Menlo, monospace;
    --shadow: 0 1px 2px rgba(20,37,63,0.05), 0 10px 30px rgba(20,37,63,0.07);
    --max: 1120px; --gutter: 16px;
  }
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.55; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
  a { color: inherit; text-decoration: none; }
  h1, h2, h3 { font-family: var(--head); letter-spacing: -0.02em; margin: 0; }
  p { margin: 0; }
  .wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
  .mono { font-family: var(--mono); font-size: 0.86em; }
  .mute { color: var(--mute); }

  /* nav */
  nav { position: sticky; top: 0; z-index: 20; backdrop-filter: blur(14px); background: rgba(230,239,251,0.8); border-bottom: 1px solid var(--line); }
  nav .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
  .logo { display: flex; align-items: center; gap: 10px; font-family: var(--head); font-weight: 800; font-size: 20px; color: var(--ink); letter-spacing: -0.02em; }
  .logo svg { width: 34px; height: 34px; }
  nav .links { display: none; gap: 22px; font-size: 14px; font-weight: 500; color: var(--mute); margin-left: 8px; }
  nav .links a:hover { color: var(--ink); }
  nav .spacer { flex: 1; }
  .btn { display: inline-flex; align-items: center; gap: 8px; height: 42px; padding: 0 18px; border-radius: 12px; font-weight: 600; font-size: 14px; border: 1px solid var(--line2); background: var(--card); color: var(--ink); transition: transform .12s ease, background .12s ease, box-shadow .12s ease; white-space: nowrap; box-shadow: 0 1px 2px rgba(20,37,63,0.06); }
  .btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
  .btn.dark { background: var(--ink); color: #e6effb; border-color: transparent; }
  .btn.dark:hover { background: #203a60; }
  .btn.acc { background: var(--acc); color: var(--ink); border-color: transparent; box-shadow: 0 8px 24px rgba(135,180,244,0.28); }
  .btn.acc:hover { background: #a9ccff; }
  .btn.sm { height: 36px; padding: 0 13px; font-size: 13px; }

  /* hero */
  .hero { position: relative; padding: 72px 0 56px; overflow: hidden; }
  .deco { position: absolute; top: 50%; transform: translateY(-50%); width: 320px; height: 420px; opacity: .9; pointer-events: none; }
  .deco.l { left: -200px; } .deco.r { right: -200px; }
  .hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(50% 45% at 72% 35%, rgba(135,180,244,0.18), transparent 65%); pointer-events: none; }
  .hero .wrap { position: relative; display: grid; gap: 40px; }
  .eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink); border: 1px solid rgba(135,180,244,0.5); background: var(--accsoft); border-radius: 999px; padding: 7px 13px; }
  .eyebrow i { width: 8px; height: 8px; border-radius: 50%; background: var(--acc); box-shadow: 0 0 10px var(--acc); animation: pulse 1.8s infinite; }
  @keyframes pulse { 0%, 100% { opacity: 1 } 50% { opacity: .35 } }
  h1 { font-size: clamp(42px, 7vw, 72px); line-height: 1.0; font-weight: 800; margin-top: 22px; color: var(--ink); }
  h1 span { color: var(--acc); }
  .lead { font-size: clamp(16px, 2vw, 19px); color: var(--mute); max-width: 560px; margin-top: 20px; }
  .ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
  .chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
  .chip { font-size: 12.5px; font-weight: 500; color: var(--mute); border: 1px solid var(--line); background: rgba(255,255,255,0.6); border-radius: 999px; padding: 6px 11px; }
  .chip b { color: var(--ink); font-weight: 700; }

  /* cards */
  .card { background: var(--card); border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); }
  .curvecard { padding: 18px; position: relative; }
  .curvecard .top { display: flex; align-items: center; justify-content: space-between; font-size: 12.5px; color: var(--mute); margin-bottom: 10px; }
  .curvecard .top b { color: var(--ink); font-weight: 600; }
  .curvecard .top .mono { white-space: nowrap; margin-left: 10px; }
  .curvecard svg { width: 100%; height: auto; display: block; }
  .curvecard .legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12px; color: var(--mute); margin-top: 12px; }
  .legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
  .dot { animation: ride 6s linear infinite; }
  @keyframes ride { from { offset-distance: 0% } to { offset-distance: 100% } }

  section { padding: 64px 0; }
  section + section { border-top: 1px solid var(--line); }
  .sec-head { max-width: 640px; margin-bottom: 32px; }
  .kicker { font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--acc2); }
  h2 { font-size: clamp(28px, 4vw, 42px); margin-top: 10px; font-weight: 800; color: var(--ink); }
  .sec-head p { color: var(--mute); margin-top: 12px; font-size: 16.5px; }

  .grid { display: grid; gap: 14px; grid-template-columns: 1fr; }
  .feat { padding: 22px; display: flex; flex-direction: column; gap: 10px; }
  .feat .ic { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: var(--accsoft); color: var(--ink); font-family: var(--head); font-weight: 800; font-size: 13px; }
  .feat h3 { font-size: 18px; font-weight: 700; }
  .feat p { color: var(--mute); font-size: 14.5px; }
  .feat .id { font-size: 11px; color: var(--dim); word-break: break-all; }

  .taglist { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
  .tag { font-size: 13px; font-weight: 500; padding: 7px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--card); }
  .tag.off { color: var(--dim); text-decoration: line-through; background: transparent; }

  /* token */
  .token { display: grid; gap: 16px; grid-template-columns: 1fr; }
  .token .big { padding: 28px; background: var(--ink); color: #e6effb; border-color: transparent; }
  .token .big .t { font-family: var(--head); font-weight: 800; font-size: clamp(34px, 5vw, 50px); color: var(--acc); letter-spacing: -0.02em; }
  .token .big p { color: rgba(230,239,251,0.72); }
  .ca { margin-top: 18px; display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
  .ca code { font-family: var(--mono); font-size: 13px; padding: 9px 12px; max-width: 100%; overflow-wrap: anywhere; word-break: break-all; border-radius: 10px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.14); color: rgba(230,239,251,0.8); }
  .token .big .btn { background: var(--acc); color: var(--ink); border-color: transparent; }
  .hooks { display: grid; gap: 12px; }
  .hook { padding: 18px 20px; display: grid; grid-template-columns: 34px 1fr; gap: 14px; align-items: start; }
  .hook .k { font-family: var(--head); font-weight: 800; color: var(--acc2); font-size: 22px; line-height: 1; margin-top: 2px; }
  .hook h3 { font-size: 16px; font-weight: 700; }
  .hook p { color: var(--mute); font-size: 14px; margin-top: 4px; }

  /* roadmap */
  .phases { display: grid; }
  .phase { display: grid; grid-template-columns: 44px 1fr; gap: 16px; padding: 22px 0; border-top: 1px solid var(--line); }
  .phase:first-child { border-top: 0; }
  .ph-n { width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; font-family: var(--head); font-weight: 800; font-size: 14px; border: 1px solid var(--line2); background: var(--card); color: var(--mute); }
  .phase.done .ph-n { background: var(--acc); color: var(--ink); border-color: transparent; }
  .phase.now .ph-n { background: var(--ink); color: #e6effb; border-color: transparent; box-shadow: 0 0 0 4px rgba(135,180,244,0.25); }
  .ph-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
  .ph-head h3 { font-size: 19px; font-weight: 700; }
  .status { font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: 4px 9px; border-radius: 999px; border: 1px solid var(--line2); color: var(--mute); }
  .phase.done .status { color: var(--ink); background: var(--acc); border-color: transparent; }
  .phase.now .status { color: #e6effb; background: var(--ink); border-color: transparent; }
  .phase p { color: var(--mute); font-size: 14.5px; margin-top: 6px; max-width: 680px; }
  .phase ul { margin: 10px 0 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 6px; }
  .phase li { font-size: 12.5px; color: var(--mute); padding: 4px 9px; border-radius: 8px; background: var(--card); border: 1px solid var(--line); }
  .phase.done li { color: var(--ink); }
  .phase.done li::before { content: "✓ "; color: var(--acc2); font-weight: 700; }
  .dod { margin-top: 10px; font-size: 13px; color: var(--dim); }
  .dod b { color: var(--mute); font-weight: 600; }

  /* open by design */
  .pillars { display: grid; gap: 12px; grid-template-columns: 1fr; }
  .pillar { padding: 20px; }
  .pillar h3 { font-size: 16px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
  .pillar h3::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--acc); }
  .pillar p { color: var(--mute); font-size: 14px; margin-top: 8px; }

  /* faq */
  details { border-top: 1px solid var(--line); padding: 16px 0; }
  details:last-child { border-bottom: 1px solid var(--line); }
  summary { cursor: pointer; font-weight: 600; font-size: 16px; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
  summary::-webkit-details-marker { display: none; }
  summary::after { content: "+"; color: var(--acc2); font-family: var(--head); font-size: 22px; font-weight: 700; }
  details[open] summary::after { content: "–"; }
  details p { color: var(--mute); font-size: 14.5px; margin-top: 10px; max-width: 720px; }

  /* cta + footer */
  .final { text-align: center; padding: 72px 0; }
  .final h2 { font-size: clamp(30px, 5vw, 50px); }
  .final p { color: var(--mute); margin: 14px auto 0; max-width: 520px; }
  .final .ctas { justify-content: center; }
  footer { border-top: 1px solid var(--line); padding: 28px 0 40px; font-size: 13px; color: var(--dim); background: var(--bg2); }
  footer .wrap { display: flex; flex-wrap: wrap; gap: 14px 24px; align-items: center; }
  footer a:hover { color: var(--ink); }
  footer .spacer { flex: 1; }

  @media (max-width: 519px) {
    nav .btn:not(.dark) { display: none; }
    nav .wrap { gap: 12px; }
  }
  @media (min-width: 720px) {
    nav .links { display: flex; }
    .grid { grid-template-columns: repeat(2, 1fr); }
    .pillars { grid-template-columns: repeat(2, 1fr); }
    .token { grid-template-columns: 1.1fr 1fr; align-items: start; }
  }
  @media (min-width: 960px) {
    .hero { padding: 96px 0 72px; }
    .hero .wrap { grid-template-columns: 1.05fr 0.95fr; align-items: center; }
    .grid { grid-template-columns: repeat(3, 1fr); }
    .pillars { grid-template-columns: repeat(4, 1fr); }
  }
  @media (prefers-reduced-motion: reduce) { .dot, .eyebrow i { animation: none; } html { scroll-behavior: auto; } }