:root {
    --ton: #0098EA;
    --ton-2: #38b6f5;
    --viz: #2DD4BF;
    --viz-2: #5ee7d3;
    --radius: 16px;
    --maxw: 1140px;
    --font: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --mono: ui-monospace, "SF Mono", SFMono-Regular, "Cascadia Code", Menlo, Consolas, "Liberation Mono", monospace;
  }

  html[data-theme="dark"] {
    --bg: #060910;
    --bg-solid: #060910;
    --text: #e9eef7;
    --muted: #9aa8bd;
    --muted-2: #6f7d92;
    --panel: rgba(255, 255, 255, 0.035);
    --panel-2: rgba(255, 255, 255, 0.055);
    --stroke: rgba(255, 255, 255, 0.09);
    --stroke-2: rgba(255, 255, 255, 0.16);
    --nav-bg: rgba(9, 13, 22, 0.72);
    --code-bg: rgba(255, 255, 255, 0.05);
    --shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.75);
    --mesh-a: 24%;
    --mesh-b: 26%;
    --mesh-c: 15%;
  }

  html[data-theme="light"] {
    --bg: #eef2f8;
    --bg-solid: #eef2f8;
    --text: #0c1526;
    --muted: #4c586b;
    --muted-2: #74809a;
    --panel: rgba(255, 255, 255, 0.72);
    --panel-2: rgba(255, 255, 255, 0.9);
    --stroke: rgba(12, 22, 45, 0.1);
    --stroke-2: rgba(12, 22, 45, 0.18);
    --nav-bg: rgba(244, 247, 251, 0.78);
    --code-bg: rgba(12, 22, 45, 0.045);
    --shadow: 0 24px 50px -26px rgba(20, 40, 80, 0.35);
    --mesh-a: 16%;
    --mesh-b: 18%;
    --mesh-c: 10%;
  }

  * { box-sizing: border-box; }

  html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

  body {
    margin: 0;
    background: var(--bg-solid);
    color: var(--text);
    font-family: var(--font);
    font-size: 17px;
    line-height: 1.6;
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
  }

  /* Gradient mesh backdrop */
  body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
      radial-gradient(58% 48% at 14% 6%, color-mix(in oklab, var(--viz) var(--mesh-a), transparent), transparent 72%),
      radial-gradient(56% 46% at 88% 12%, color-mix(in oklab, var(--ton) var(--mesh-b), transparent), transparent 70%),
      radial-gradient(80% 70% at 60% 108%, color-mix(in oklab, var(--ton) var(--mesh-c), transparent), transparent 76%);
  }

  a { color: var(--ton-2); text-decoration: none; }
  a:hover { color: var(--viz-2); }

  img { max-width: 100%; display: block; }

  h1, h2, h3 { line-height: 1.08; letter-spacing: -0.03em; margin: 0; font-weight: 700; }

  p { margin: 0; }

  ::selection { background: color-mix(in oklab, var(--ton) 40%, transparent); color: #fff; }

  :focus-visible {
    outline: 2px solid var(--ton-2);
    outline-offset: 3px;
    border-radius: 6px;
  }

  .container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 22px; }

  .skip {
    position: absolute;
    left: 12px;
    top: -60px;
    z-index: 200;
    background: var(--ton);
    color: #fff;
    padding: 10px 16px;
    border-radius: 10px;
    font-weight: 600;
    transition: top 0.18s ease;
  }
  .skip:focus { top: 12px; color: #fff; }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
  }
  .eyebrow::before {
    content: "";
    width: 22px;
    height: 1px;
    background: linear-gradient(90deg, var(--viz), var(--ton));
  }

  /* ---------- Buttons ---------- */
  .btn {
    --btn-fg: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    font: inherit;
    font-weight: 600;
    font-size: 15.5px;
    letter-spacing: -0.01em;
    padding: 12px 20px;
    border-radius: 12px;
    border: 1px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    transition: transform 0.16s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  }
  .btn:active { transform: translateY(1px); }

  .btn-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--ton) 0%, #0076c8 100%);
    box-shadow: 0 10px 30px -12px color-mix(in oklab, var(--ton) 80%, transparent), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  }
  .btn-primary:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 18px 40px -14px color-mix(in oklab, var(--ton) 85%, transparent), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  }

  .btn-ghost {
    color: var(--text);
    background: var(--panel);
    border-color: var(--stroke-2);
    backdrop-filter: blur(8px);
  }
  .btn-ghost:hover { color: var(--text); transform: translateY(-2px); border-color: var(--stroke-2); background: var(--panel-2); }

  /* ---------- Nav ---------- */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--nav-bg);
    backdrop-filter: saturate(150%) blur(14px);
    -webkit-backdrop-filter: saturate(150%) blur(14px);
    border-bottom: 1px solid var(--stroke);
  }
  .nav {
    display: flex;
    align-items: center;
    gap: 18px;
    height: 66px;
  }
  .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 19px;
    letter-spacing: -0.03em;
    color: var(--text);
    margin-right: auto;
  }
  .brand:hover { color: var(--text); }
  .brand .mark {
    width: 30px;
    height: 30px;
    border-radius: 9px;
    display: grid;
    place-items: center;
    background: radial-gradient(120% 120% at 30% 20%, rgba(45, 212, 191, 0.25), rgba(0, 152, 234, 0.25));
    border: 1px solid var(--stroke-2);
  }
  .brand .mark svg { display: block; }
  .brand b { font-weight: 800; }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
  }
  .nav-links a {
    color: var(--muted);
    font-size: 15px;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 9px;
    transition: color 0.16s ease, background 0.16s ease;
  }
  .nav-links a:hover { color: var(--text); background: var(--panel); }

  .nav-actions { display: flex; align-items: center; gap: 10px; }

  .icon-btn {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border-radius: 11px;
    border: 1px solid var(--stroke);
    background: var(--panel);
    color: var(--text);
    cursor: pointer;
    transition: background 0.16s ease, border-color 0.16s ease, transform 0.16s ease;
  }
  .icon-btn:hover { background: var(--panel-2); border-color: var(--stroke-2); }
  .icon-btn svg { display: block; }
  .icon-btn .i-sun { display: none; }
  html[data-theme="dark"] .icon-btn .i-sun { display: block; }
  html[data-theme="dark"] .icon-btn .i-moon { display: none; }

  .menu-btn { display: none; }

  /* ---------- Sections ---------- */
  main { display: block; }
  section[id] { scroll-margin-top: 84px; }

  .section { padding: 96px 0; position: relative; }
  .section-head { max-width: 640px; margin-bottom: 48px; }
  .section-head h2 { font-size: clamp(28px, 4.4vw, 42px); }
  .section-head .lead { color: var(--muted); font-size: 18px; margin-top: 14px; }

  /* ---------- Hero ---------- */
  .hero { padding: clamp(44px, 7vw, 88px) 0 72px; position: relative; }
  .hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
  }
  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-size: 13px;
    font-weight: 600;
    color: var(--viz-2);
    background: color-mix(in oklab, var(--viz) 12%, transparent);
    border: 1px solid color-mix(in oklab, var(--viz) 30%, transparent);
    padding: 6px 13px 6px 11px;
    border-radius: 100px;
    margin-bottom: 22px;
  }
  html[data-theme="light"] .hero-badge {
    color: #0f766e;
    background: color-mix(in oklab, var(--viz) 20%, transparent);
    border-color: color-mix(in oklab, var(--viz) 48%, transparent);
  }
  .hero-badge .dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--viz);
    box-shadow: 0 0 0 0 color-mix(in oklab, var(--viz) 70%, transparent);
    animation: pulse-dot 2.4s ease-out infinite;
  }
  @keyframes pulse-dot {
    0% { box-shadow: 0 0 0 0 color-mix(in oklab, var(--viz) 60%, transparent); }
    70% { box-shadow: 0 0 0 8px transparent; }
    100% { box-shadow: 0 0 0 0 transparent; }
  }
  .hero h1 {
    font-size: clamp(44px, 8.5vw, 88px);
    font-weight: 800;
    letter-spacing: -0.045em;
  }
  .hero h1 .grad {
    background: linear-gradient(100deg, var(--viz) 0%, var(--ton) 70%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .hero .subhead {
    color: var(--muted);
    font-size: clamp(17px, 2.2vw, 20px);
    max-width: 560px;
    margin-top: 22px;
  }
  .hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
  .hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 26px;
    margin-top: 34px;
    color: var(--muted-2);
    font-size: 14px;
  }
  .hero-meta span { display: inline-flex; align-items: center; gap: 8px; }
  .hero-meta .tick { color: var(--viz); }

  /* ---------- Bridge animation ---------- */
  .bridge-wrap { container-type: inline-size; width: 100%; margin-top: 8px; }

  /* ---------- Cards / grid ---------- */
  .grid-3 { display: grid; grid-template-columns: 1fr; gap: 20px; }

  .card {
    background: var(--panel);
    border: 1px solid var(--stroke);
    border-radius: var(--radius);
    padding: 26px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  }
  .card:hover {
    transform: translateY(-5px);
    border-color: var(--stroke-2);
    background: var(--panel-2);
    box-shadow: var(--shadow);
  }
  .card h3 { font-size: 20px; margin-bottom: 10px; letter-spacing: -0.02em; }
  .card p { color: var(--muted); font-size: 15.5px; }

  .tile {
    width: 48px;
    height: 48px;
    border-radius: 13px;
    display: grid;
    place-items: center;
    margin-bottom: 18px;
    font-weight: 800;
    font-size: 15px;
    background: color-mix(in oklab, var(--ton) 14%, transparent);
    border: 1px solid color-mix(in oklab, var(--ton) 32%, transparent);
    color: var(--ton-2);
  }
  .tile.teal {
    background: color-mix(in oklab, var(--viz) 14%, transparent);
    border-color: color-mix(in oklab, var(--viz) 32%, transparent);
    color: var(--viz-2);
  }

  /* ---------- How it works ---------- */
  .how-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
  .flow-card {
    background: var(--panel);
    border: 1px solid var(--stroke);
    border-radius: var(--radius);
    padding: 30px 28px;
    backdrop-filter: blur(10px);
  }
  .flow-card .flow-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 6px;
  }
  .flow-card .flow-head h3 { font-size: 19px; }
  .flow-dir {
    font-family: var(--mono);
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .flow-dir b { color: var(--text); font-weight: 600; }
  .arrow { color: var(--muted-2); }
  .pill {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 3px 10px;
    border-radius: 100px;
    background: color-mix(in oklab, var(--viz) 16%, transparent);
    color: var(--viz-2);
    border: 1px solid color-mix(in oklab, var(--viz) 34%, transparent);
  }
  .badge-num {
    width: 27px; height: 27px;
    border-radius: 50%;
    background: color-mix(in oklab, var(--ton) 18%, transparent);
    border: 1px solid color-mix(in oklab, var(--ton) 38%, transparent);
    color: var(--ton-2);
    font-size: 13px; font-weight: 700;
    display: grid; place-items: center;
    flex: 0 0 auto;
  }
  .flow-card.out .badge-num {
    background: color-mix(in oklab, var(--viz) 18%, transparent);
    border-color: color-mix(in oklab, var(--viz) 38%, transparent);
    color: var(--viz-2);
  }
  .steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 18px; }
  .steps li { display: flex; gap: 14px; align-items: flex-start; }
  .steps .step-body { flex: 1; min-width: 0; }
  .steps .step-body > span { color: var(--muted); font-size: 15px; }

  .addr {
    margin-top: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--code-bg);
    border: 1px solid var(--stroke);
    border-radius: 11px;
    padding: 8px 8px 8px 13px;
  }
  .addr code {
    font-family: var(--mono);
    font-size: 13.5px;
    color: var(--text);
    word-break: break-all;
    flex: 1;
    min-width: 0;
    line-height: 1.45;
  }
  .copy-btn {
    flex: 0 0 auto;
    display: inline-grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 9px;
    border: 1px solid var(--stroke-2);
    background: var(--panel);
    color: var(--muted);
    cursor: pointer;
    transition: color 0.16s ease, background 0.16s ease, border-color 0.16s ease;
    position: relative;
  }
  .copy-btn:hover { color: var(--text); background: var(--panel-2); border-color: var(--stroke-2); }
  .copy-btn svg { display: block; position: absolute; transition: opacity 0.15s ease, transform 0.15s ease; }
  .copy-btn .i-check { opacity: 0; transform: scale(0.6); color: var(--viz); }
  .copy-btn.copied .i-copy { opacity: 0; transform: scale(0.6); }
  .copy-btn.copied .i-check { opacity: 1; transform: scale(1); }
  .copy-btn.copied { border-color: color-mix(in oklab, var(--viz) 45%, transparent); }

  .callout {
    margin-top: 20px;
    display: flex;
    gap: 13px;
    align-items: flex-start;
    background: color-mix(in oklab, var(--ton) 8%, transparent);
    border: 1px solid color-mix(in oklab, var(--ton) 24%, transparent);
    border-radius: 13px;
    padding: 16px 18px;
    color: var(--text);
    font-size: 15px;
  }
  .callout svg { flex: 0 0 auto; color: var(--ton-2); margin-top: 2px; }

  /* ---------- Security ---------- */
  .sec-grid { display: grid; grid-template-columns: 1fr; gap: 40px; align-items: center; }
  .sec-copy p { color: var(--muted); font-size: 17px; }
  .sec-copy .lead-p { color: var(--text); font-size: 18.5px; margin-bottom: 18px; }
  .sec-copy .src-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 26px; font-weight: 600; }

  .recon-cards { display: flex; flex-direction: column; gap: 16px; }
  .recon-top .t .rc-chain {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--ton-2);
    background: var(--code-bg);
    border: 1px solid var(--stroke);
    border-radius: 100px;
    padding: 2px 8px;
    margin-left: 2px;
  }
  .recon {
    background: var(--panel);
    border: 1px solid var(--stroke);
    border-radius: 18px;
    padding: 26px;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
  }
  .recon-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 22px;
  }
  .recon-top .t { font-weight: 700; font-size: 15px; display: flex; align-items: center; gap: 9px; }
  .recon-top .t .scan { width: 15px; height: 15px; color: var(--ton-2); }
  .status {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 13px; font-weight: 600;
    color: var(--viz-2);
    background: color-mix(in oklab, var(--viz) 14%, transparent);
    border: 1px solid color-mix(in oklab, var(--viz) 32%, transparent);
    padding: 5px 12px; border-radius: 100px;
  }
  .status .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--viz); box-shadow: 0 0 8px 1px var(--viz); animation: pulse-dot 2s ease-out infinite; }

  .meter-row { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
  .meter { flex: 1; }
  .meter .lab { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); margin-bottom: 7px; }
  .meter .lab b { color: var(--text); font-weight: 600; }
  .meter .track { height: 12px; border-radius: 100px; background: var(--code-bg); overflow: hidden; border: 1px solid var(--stroke); }
  .meter .fill { height: 100%; width: 100%; border-radius: 100px; transform-origin: left; }
  .meter.a .fill { background: linear-gradient(90deg, var(--viz), var(--viz-2)); animation: sweep 4s ease-in-out infinite; }
  .meter.b .fill { background: linear-gradient(90deg, var(--ton), var(--ton-2)); animation: sweep 4s ease-in-out infinite; animation-delay: 0.15s; }
  @keyframes sweep {
    0%, 100% { transform: scaleX(1); }
    50% { transform: scaleX(0.82); }
  }
  .eq { font-size: 22px; font-weight: 800; color: var(--muted); flex: 0 0 auto; }

  /* Live figures from GET /recon (site/recon.js). `.val` replaces the static `.sub`
     description only once a real number is in hand; `.live` swaps the illustrative
     sweep animation for a real width. Absent data = none of these classes apply. */
  .meter .lab .val { color: var(--text); font-weight: 700; font-variant-numeric: tabular-nums; }
  .meter.live .fill { animation: none; transition: width 0.6s ease; }
  .status.paused { color: #ffb454; background: rgba(255, 180, 84, 0.12); border-color: rgba(255, 180, 84, 0.34); }
  .status.paused .dot { background: #ffb454; box-shadow: 0 0 8px 1px rgba(255, 180, 84, 0.7); animation: none; }
  .status.warn { color: var(--muted); background: var(--code-bg); border-color: var(--stroke-2); }
  .status.warn .dot { background: var(--muted-2); box-shadow: none; animation: none; }
  .recon-foot {
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px dashed var(--stroke-2);
    display: flex;
    align-items: center;
    gap: 11px;
    font-size: 14px;
    color: var(--muted);
  }
  .recon-foot .pausechip {
    display: inline-flex; align-items: center; gap: 7px;
    font-weight: 600; color: var(--text);
    font-size: 13px;
    padding: 4px 10px; border-radius: 8px;
    background: var(--code-bg); border: 1px solid var(--stroke-2);
  }
  .recon-foot .pausechip svg { color: var(--muted); }

  /* ---------- Fees table ---------- */
  .table-wrap {
    overflow-x: auto;
    border: 1px solid var(--stroke);
    border-radius: 18px;
    background: var(--panel);
    backdrop-filter: blur(10px);
    -webkit-overflow-scrolling: touch;
  }
  table.fees {
    width: 100%;
    min-width: 560px;
    border-collapse: collapse;
    font-size: 15.5px;
  }
  table.fees th, table.fees td { text-align: left; padding: 17px 22px; vertical-align: top; }
  table.fees thead th { font-size: 14px; letter-spacing: -0.01em; }
  table.fees thead th:first-child { color: var(--muted-2); font-weight: 600; }
  table.fees thead .h-in { color: var(--ton-2); }
  table.fees thead .h-out { color: var(--viz-2); }
  table.fees tbody th { font-weight: 600; color: var(--text); width: 34%; }
  table.fees td { color: var(--muted); }
  table.fees tbody tr + tr th, table.fees tbody tr + tr td { border-top: 1px solid var(--stroke); }
  table.fees .free { color: var(--viz-2); font-weight: 700; }
  table.fees .dash { color: var(--muted-2); }
  .table-note { color: var(--muted); font-size: 14.5px; margin-top: 16px; display: flex; gap: 10px; align-items: flex-start; }
  .table-note svg { flex: 0 0 auto; color: var(--muted-2); margin-top: 2px; }

  /* ---------- FAQ ---------- */
  .faq { display: flex; flex-direction: column; gap: 12px; max-width: 820px; }
  .faq details {
    background: var(--panel);
    border: 1px solid var(--stroke);
    border-radius: 14px;
    overflow: hidden;
    transition: border-color 0.2s ease, background 0.2s ease;
  }
  .faq details[open] { border-color: var(--stroke-2); background: var(--panel-2); }
  .faq summary {
    list-style: none;
    cursor: pointer;
    padding: 20px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-weight: 600;
    font-size: 17px;
    color: var(--text);
  }
  .faq summary::-webkit-details-marker { display: none; }
  .faq summary:hover { color: var(--text); }
  .faq .chev {
    flex: 0 0 auto;
    width: 20px; height: 20px;
    color: var(--muted);
    transition: transform 0.22s ease, color 0.2s ease;
  }
  .faq details[open] .chev { transform: rotate(180deg); color: var(--ton-2); }
  .faq .ans { padding: 0 22px 22px; color: var(--muted); font-size: 16px; }
  .faq .ans code { font-family: var(--mono); font-size: 0.88em; background: var(--code-bg); padding: 1px 6px; border-radius: 6px; color: var(--text); }

  /* ---------- CTA strip ---------- */
  .cta-strip {
    text-align: center;
    background: var(--panel);
    border: 1px solid var(--stroke);
    border-radius: 22px;
    padding: 56px 30px;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
  }
  .cta-strip::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(70% 120% at 50% -20%, color-mix(in oklab, var(--ton) 22%, transparent), transparent 70%);
    pointer-events: none;
  }
  .cta-strip h2 { font-size: clamp(28px, 4.5vw, 40px); position: relative; }
  .cta-strip p { color: var(--muted); margin-top: 14px; font-size: 18px; position: relative; }
  .cta-strip .hero-cta { justify-content: center; position: relative; }

  /* ---------- Footer ---------- */
  footer {
    border-top: 1px solid var(--stroke);
    padding: 56px 0 44px;
    margin-top: 40px;
  }
  .foot-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 34px;
    margin-bottom: 40px;
  }
  .foot-brand .brand { margin-bottom: 14px; }
  .foot-brand p { color: var(--muted); font-size: 15px; max-width: 340px; }
  .foot-cols { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .foot-col h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted-2); margin: 0 0 14px; font-weight: 600; }
  .foot-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 11px; }
  .foot-col a { color: var(--muted); font-size: 15px; }
  .foot-col a:hover { color: var(--text); }

  .token-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    padding: 16px 18px;
    background: var(--code-bg);
    border: 1px solid var(--stroke);
    border-radius: 13px;
    margin-bottom: 30px;
  }
  .token-row .tk-label { font-size: 13px; color: var(--muted-2); font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; }
  .token-row .addr { margin-top: 0; flex: 1; min-width: 240px; background: transparent; border: none; padding: 0; }
  .token-row .addr code { font-size: 13px; }

  .foot-bottom {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: space-between;
    align-items: center;
    color: var(--muted-2);
    font-size: 13.5px;
    border-top: 1px solid var(--stroke);
    padding-top: 24px;
  }

  /* ---------- Toast ---------- */
  .toast {
    position: fixed;
    left: 50%;
    bottom: 28px;
    transform: translate(-50%, 20px);
    background: color-mix(in oklab, var(--viz) 18%, var(--bg-solid));
    color: var(--text);
    border: 1px solid color-mix(in oklab, var(--viz) 45%, transparent);
    padding: 11px 20px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 14.5px;
    display: flex;
    align-items: center;
    gap: 9px;
    box-shadow: 0 18px 40px -16px rgba(0, 0, 0, 0.6);
    opacity: 0;
    pointer-events: none;
    z-index: 300;
    transition: opacity 0.2s ease, transform 0.24s cubic-bezier(0.2, 0.9, 0.3, 1);
  }
  .toast.show { opacity: 1; transform: translate(-50%, 0); }
  .toast svg { color: var(--viz); }

  /* ---------- Responsive ---------- */
  @media (min-width: 620px) {
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .how-grid { grid-template-columns: 1fr 1fr; }
    .foot-cols { grid-template-columns: repeat(3, 1fr); }
  }
  @media (min-width: 900px) {
    .hero-grid { grid-template-columns: 1.05fr 0.95fr; gap: 30px; }
    .sec-grid { grid-template-columns: 1fr 1fr; gap: 56px; }
    .foot-grid { grid-template-columns: 1.2fr 2fr; gap: 60px; }
  }

  @media (max-width: 860px) {
    .nav-links {
      position: absolute;
      top: calc(100% + 1px);
      left: 0;
      right: 0;
      flex-direction: column;
      align-items: stretch;
      gap: 2px;
      padding: 12px;
      background: var(--nav-bg);
      backdrop-filter: saturate(150%) blur(14px);
      -webkit-backdrop-filter: saturate(150%) blur(14px);
      border-bottom: 1px solid var(--stroke);
      box-shadow: var(--shadow);
      transform: translateY(-8px);
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
    }
    .site-header.menu-open .nav-links { opacity: 1; visibility: visible; transform: translateY(0); }
    .nav-links a { padding: 12px 14px; font-size: 16px; color: var(--text); }
    .menu-btn { display: grid; }
  }
  @media (max-width: 560px) {
    .section { padding: 72px 0; }
  }

  /* ---------- Reduced motion ---------- */
  .bridge-wrap .flow-arc { animation: bridge-flow 1.1s linear infinite; }
  @keyframes bridge-flow {
    to { stroke-dashoffset: -22; }
  }

  /* Glowing particles along the hero arcs (restored from the pre-dual-chain hero).
     @supports-gated: without offset-path on SVG they'd sit parked at the viewBox origin. */
  .bridge-wrap .pt { opacity: 0; fill: currentColor; }
  @supports (offset-path: path("M0 0 L1 1")) {
    .bridge-wrap .pt {
      offset-rotate: 0deg;
      filter: drop-shadow(0 0 5px currentColor);
      animation: bridge-travel 3.6s cubic-bezier(0.55, 0, 0.5, 1) infinite;
    }
    .bridge-wrap .pt.g { offset-path: path("M120 130 C 280 40, 400 40, 520 70"); }
    .bridge-wrap .pt.s { offset-path: path("M120 130 C 280 230, 400 230, 520 200"); }
    .bridge-wrap .pt.rev { animation-name: bridge-travel-rev; }
    .bridge-wrap .pt.c-viz { color: var(--viz); }
    .bridge-wrap .pt.c-gram { color: var(--ton-2); }
    .bridge-wrap .pt.c-sol { color: #9945FF; }
    .bridge-wrap .pt.d1 { animation-delay: 0.6s; }
    .bridge-wrap .pt.d2 { animation-delay: 1.2s; }
    .bridge-wrap .pt.d3 { animation-delay: 1.8s; }
    .bridge-wrap .pt.d4 { animation-delay: 2.4s; }
    @keyframes bridge-travel {
      0% { offset-distance: 0%; opacity: 0; }
      12% { opacity: 1; }
      88% { opacity: 1; }
      100% { offset-distance: 100%; opacity: 0; }
    }
    @keyframes bridge-travel-rev {
      0% { offset-distance: 100%; opacity: 0; }
      12% { opacity: 1; }
      88% { opacity: 1; }
      100% { offset-distance: 0%; opacity: 0; }
    }
  }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .hero-badge .dot,
    .status .dot,
    .meter .fill,
    .bridge-wrap .flow-arc,
    .bridge-wrap .pt { animation: none !important; transition: none !important; }
    .card:hover, .btn:hover, .btn:active { transform: none; }
  }

/* ---------- App: tabs + fields + status grid ---------- */
.app-main { padding: 40px 0 80px; }
.tabs { display: inline-flex; gap: 4px; padding: 5px; border-radius: 14px; background: var(--panel); border: 1px solid var(--stroke); margin-bottom: 28px; }
.tab { border: 0; background: transparent; color: var(--muted); font: inherit; font-weight: 600; padding: 9px 18px; border-radius: 10px; cursor: pointer; }
.tab[aria-selected="true"] { background: var(--panel-2); color: var(--text); border: 1px solid var(--stroke-2); }
.panel-card { background: var(--panel); border: 1px solid var(--stroke); border-radius: var(--radius); padding: 26px; backdrop-filter: blur(10px); max-width: 620px; }
.field { display: flex; flex-direction: column; gap: 7px; margin-bottom: 18px; }
.field label { font-size: 14px; color: var(--muted); font-weight: 600; }
.field input { font: inherit; font-size: 16px; color: var(--text); background: var(--code-bg); border: 1px solid var(--stroke-2); border-radius: 11px; padding: 12px 14px; }
.field input:focus-visible { outline: 2px solid var(--ton-2); }
.field .err { color: #ff7a7a; font-size: 13px; min-height: 16px; }
.hint { color: var(--muted); font-size: 14px; }
.fee-line { display: flex; justify-content: space-between; padding: 8px 0; border-top: 1px dashed var(--stroke-2); color: var(--muted); font-size: 15px; }
.fee-line b { color: var(--text); }
.statusbar { display: flex; flex-wrap: wrap; gap: 14px 30px; align-items: center; padding: 14px 18px; background: var(--code-bg); border: 1px solid var(--stroke); border-radius: 13px; margin-bottom: 26px; font-size: 14px; }
.statusbar .item { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); }
.statusbar .item b { color: var(--text); font-weight: 600; }
.statusbar .warn { color: #ffb454; }
.statusbar .ok { display: inline-flex; align-items: center; gap: 7px; color: var(--viz-2); font-weight: 600; }
.statusbar .ok .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--viz); box-shadow: 0 0 8px 1px color-mix(in oklab, var(--viz) 70%, transparent); animation: pulse-dot 2.4s ease-out infinite; }
.hidden { display: none !important; }
.field-label-row { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.bal-line { font-size: 12px; color: var(--muted); }
.bal-link { background: none; border: none; color: var(--ton-2); font: inherit; font-size: 12px; font-weight: 700; cursor: pointer; padding: 0; text-decoration: underline; }
.bal-link:hover { color: var(--ton); }
.warn-msg { color: #ffb454; font-size: 13px; min-height: 16px; }

/* --- Token section rows --- */
#token .card h3 { margin-bottom: 12px; }
#token .card .addr { margin: 14px 0; }
#token .card .btn { width: 100%; justify-content: center; }
#token .tok-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin: 10px 0;
}
#token .tok-row b { color: var(--text, #fff); }
#token .tok-empty { color: var(--muted, #8b97a8); font-size: 0.9rem; margin-top: 10px; }

/* ---------- Chain cards (hub) ---------- */
.chain-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.chain-card { border-top: 3px solid var(--chain-accent, #2DD4BF); display: flex; flex-direction: column; }
.chain-card.gram { --chain-accent: #0098EA; }
.chain-card.sol { --chain-accent: #9945FF; }
.chain-card .chain-sub { font-size: 0.62em; font-weight: 500; opacity: 0.6; margin-left: 6px; }
.chain-facts { list-style: none; padding: 0; margin: 0 0 18px; }
.chain-facts li { padding: 5px 0 5px 24px; position: relative; }
.chain-facts li::before { content: "✓"; position: absolute; left: 0; color: var(--chain-accent); font-weight: 700; }
.chain-card .btn { margin-top: auto; width: 100%; }
@media (max-width: 720px) { .chain-grid { grid-template-columns: 1fr; } }