:root {
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --surface-2: #f2f1ec;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #0b0b0b;
  --accent-ink: #fcfcfb;
  --brand: #2a7de1;
  --up: #006300;
  --down: #b42e2e;
  --good: #0ca30c;
  --warning: #fab219;
  --critical: #d03b3b;
  --good-wash: rgba(12, 163, 12, 0.10);
  --warning-wash: rgba(250, 178, 25, 0.16);
  --critical-wash: rgba(208, 59, 59, 0.10);
  --row-hover: rgba(11, 11, 11, 0.03);
  --chat-bg: #dfe9f2;
  --bubble-in: #ffffff;
  --bubble-out: #e1f7cf;
  --shadow: 0 1px 2px rgba(11, 11, 11, 0.04), 0 8px 24px rgba(11, 11, 11, 0.06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --page: #0d0d0d; --surface: #1a1a19; --surface-2: #222220; --ink: #ffffff; --ink-2: #c3c2b7;
    --muted: #898781; --grid: #2c2c2a; --border: rgba(255, 255, 255, 0.10); --accent: #ffffff;
    --accent-ink: #0d0d0d; --brand: #5aa2f0; --up: #0ca30c; --down: #e86464;
    --good-wash: rgba(12, 163, 12, 0.16); --warning-wash: rgba(250, 178, 25, 0.14);
    --critical-wash: rgba(208, 59, 59, 0.18); --row-hover: rgba(255, 255, 255, 0.03);
    --chat-bg: #0f1a24; --bubble-in: #1d2733; --bubble-out: #2b5278;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.35);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --page: #0d0d0d; --surface: #1a1a19; --surface-2: #222220; --ink: #ffffff; --ink-2: #c3c2b7;
  --muted: #898781; --grid: #2c2c2a; --border: rgba(255, 255, 255, 0.10); --accent: #ffffff;
  --accent-ink: #0d0d0d; --brand: #5aa2f0; --up: #0ca30c; --down: #e86464;
  --good-wash: rgba(12, 163, 12, 0.16); --warning-wash: rgba(250, 178, 25, 0.14);
  --critical-wash: rgba(208, 59, 59, 0.18); --row-hover: rgba(255, 255, 255, 0.03);
  --chat-bg: #0f1a24; --bubble-in: #1d2733; --bubble-out: #2b5278;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.35);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0; background: var(--page); color: var(--ink);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
code { font: 0.9em ui-monospace, "SF Mono", Menlo, monospace; background: var(--surface-2); padding: 1px 6px; border-radius: 6px; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
section { padding: 72px 0; border-top: 1px solid var(--grid); }
.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--brand); margin: 0 0 8px; }
h2 { font-size: clamp(26px, 4vw, 34px); line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 12px; }
.lede { color: var(--ink-2); max-width: 680px; margin: 0 0 32px; font-size: 18px; }

/* --- Nav ------------------------------------------------------------------ */
nav {
  position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--page) 85%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--grid);
}
nav .wrap { display: flex; align-items: center; gap: 24px; height: 60px; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 700; text-decoration: none; font-size: 18px; }
.logo-mark {
  width: 28px; height: 28px; border-radius: 8px; background: var(--accent); color: var(--accent-ink);
  display: grid; place-items: center; font-size: 15px;
}
.nav-links { display: flex; gap: 20px; margin-left: auto; font-size: 14px; }
.nav-links a { text-decoration: none; color: var(--ink-2); }
.nav-links a:hover { color: var(--ink); }

.btn {
  display: inline-flex; align-items: center; gap: 8px; border-radius: 10px; padding: 11px 18px;
  font-weight: 600; font-size: 15px; text-decoration: none; border: 1px solid var(--border);
  background: var(--surface); color: var(--ink); cursor: pointer; font-family: inherit;
}
.btn:hover { background: var(--row-hover); }
.btn-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn-primary:hover { opacity: 0.88; background: var(--accent); }
.btn-small { padding: 7px 12px; font-size: 14px; }

/* --- Hero ----------------------------------------------------------------- */
.hero { padding: 64px 0 72px; border-top: none; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(36px, 6vw, 56px); line-height: 1.05; letter-spacing: -0.03em; margin: 0 0 20px; }
.hero h1 span { color: var(--brand); }
.hero p { font-size: 19px; color: var(--ink-2); margin: 0 0 28px; max-width: 540px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero .note { font-size: 14px; color: var(--muted); margin: 16px 0 0; }

.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 40px; }
.stat { border-left: 2px solid var(--grid); padding-left: 12px; }
.stat b { display: block; font-size: 24px; letter-spacing: -0.02em; }
.stat span { font-size: 13px; color: var(--ink-2); }

/* --- Telegram chat mock ---------------------------------------------------- */
.phone {
  background: var(--chat-bg); border-radius: 28px; border: 1px solid var(--border); box-shadow: var(--shadow);
  overflow: hidden; max-width: 420px; justify-self: center; width: 100%;
}
.phone-bar { display: flex; align-items: center; gap: 10px; padding: 12px 16px; background: var(--surface); border-bottom: 1px solid var(--border); }
.avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--brand); color: #fff; display: grid; place-items: center; font-weight: 700; }
.phone-bar b { display: block; font-size: 15px; line-height: 1.2; }
.phone-bar small { color: var(--muted); font-size: 12px; }
.chat { padding: 16px 12px; display: flex; flex-direction: column; gap: 8px; max-height: 560px; overflow-y: auto; }
.bubble {
  max-width: 88%; padding: 8px 12px; border-radius: 14px; font-size: 13.5px; line-height: 1.45;
  white-space: pre-line; box-shadow: 0 1px 1px rgba(0, 0, 0, 0.06);
}
.bubble.out { align-self: flex-end; background: var(--bubble-out); border-bottom-right-radius: 4px; }
.bubble.in { align-self: flex-start; background: var(--bubble-in); border-bottom-left-radius: 4px; }
.bubble .cmd { color: var(--brand); }
.bubble i { color: var(--muted); }

/* --- Feature cards --------------------------------------------------------- */
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 22px; }
.card h3 { margin: 0 0 6px; font-size: 17px; display: flex; align-items: center; gap: 8px; }
.card p { margin: 0; color: var(--ink-2); font-size: 15px; }
.card .cmd { font: 600 14px ui-monospace, "SF Mono", Menlo, monospace; color: var(--brand); }
.pill { font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 999px; background: var(--surface-2); color: var(--ink-2); text-transform: uppercase; letter-spacing: 0.04em; }

/* --- Dashboard demo -------------------------------------------------------- */
.tiles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px; }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
.tile .label { display: flex; align-items: center; gap: 6px; color: var(--ink-2); font-size: 13px; }
.tile .value { font-size: 28px; font-weight: 650; margin-top: 2px; }
.swatch { width: 8px; height: 8px; border-radius: 50%; }
.swatch.buy { background: var(--good); }
.swatch.hold { background: var(--warning); }
.swatch.sell { background: var(--critical); }

.table-card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; }
.scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 900px; font-size: 14px; }
th, td { padding: 12px; text-align: left; border-bottom: 1px solid var(--grid); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--row-hover); }
th { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; white-space: nowrap; user-select: none; }
th[data-sort] { cursor: pointer; }
th[data-sort]:hover { color: var(--ink); }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.name { font-weight: 600; }
.ticker { color: var(--muted); font-size: 12px; }
.up { color: var(--up); }
.down { color: var(--down); }
.muted { color: var(--muted); }
.stance { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px 3px 8px; border-radius: 999px; font-weight: 600; font-size: 13px; white-space: nowrap; }
.stance .dot { width: 8px; height: 8px; border-radius: 50%; }
.stance-Buy { background: var(--good-wash); } .stance-Buy .dot { background: var(--good); }
.stance-Hold { background: var(--warning-wash); } .stance-Hold .dot { background: var(--warning); }
.stance-Sell { background: var(--critical-wash); } .stance-Sell .dot { background: var(--critical); }
.meter { display: inline-flex; gap: 2px; vertical-align: middle; margin-right: 6px; }
.meter i { width: 6px; height: 14px; border-radius: 2px; background: var(--grid); }
.meter i.on { background: var(--ink-2); }
.chips { display: flex; flex-wrap: wrap; gap: 4px; }
.chip { font-size: 12px; padding: 2px 8px; border-radius: 6px; border: 1px solid var(--border); color: var(--ink-2); white-space: nowrap; }
.chip b { font-weight: 600; margin-right: 3px; }
.caption { font-size: 13px; color: var(--muted); margin-top: 12px; }

/* --- How it works ---------------------------------------------------------- */
.flow { display: flex; align-items: stretch; gap: 0; margin-bottom: 32px; flex-wrap: wrap; }
.step { flex: 1 1 160px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.step b { display: block; font-size: 15px; margin-bottom: 2px; }
.step span { font-size: 13px; color: var(--ink-2); }
.arrow { display: grid; place-items: center; color: var(--muted); padding: 0 8px; font-size: 18px; }
.decisions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }

.scale { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; margin: 20px 0 8px; }
.scale div { border-radius: 8px; padding: 10px; text-align: center; font-size: 13px; font-weight: 600; }
.scale small { display: block; font-weight: 400; color: var(--ink-2); }

/* --- Security ------------------------------------------------------------- */
.threats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.threat { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px; }
.threat h3 { margin: 0 0 6px; font-size: 15px; display: flex; gap: 8px; align-items: baseline; }
.threat h3 .ico { color: var(--good); font-size: 14px; }
.threat p { margin: 0; color: var(--ink-2); font-size: 14px; }

/* --- Stack ------------------------------------------------------------------ */
.stack { display: flex; flex-wrap: wrap; gap: 8px; }
.stack span { border: 1px solid var(--border); background: var(--surface); border-radius: 999px; padding: 6px 14px; font-size: 14px; }

.closing { text-align: center; }
.centered { margin-left: auto; margin-right: auto; }
.subhead { margin: 40px 0 4px; font-size: 17px; }
.subtext { margin: 0; font-size: 15px; color: var(--muted); }
.closing .cta { justify-content: center; }
footer { border-top: 1px solid var(--grid); padding: 28px 0 40px; color: var(--muted); font-size: 13px; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }

@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .grid, .decisions { grid-template-columns: 1fr 1fr; }
  .threats { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  nav .btn { margin-left: auto; }
}
@media (max-width: 600px) {
  section { padding: 56px 0; }
  .grid, .decisions { grid-template-columns: 1fr; }
  .tiles, .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .arrow { transform: rotate(90deg); width: 100%; padding: 4px 0; }
  .step { flex-basis: 100%; }
  .scale { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .scale div { padding: 8px 2px; font-size: 12px; }
}