/* ─────────────────────────────────────────────────────────────
   Trading AI — marketing & legal site
   Dark trading-desk aesthetic · violet signal accent
   ───────────────────────────────────────────────────────────── */

:root {
  --bg: #0a0812;
  --bg-raised: #120e1f;
  --bg-card: #161129;
  --line: rgba(167, 139, 250, 0.14);
  --line-strong: rgba(167, 139, 250, 0.32);
  --violet: #8b5cf6;
  --violet-bright: #a78bfa;
  --violet-deep: #6d28d9;
  --buy: #34d399;
  --sell: #f87171;
  --hold: #fbbf24;
  --ink: #f3f0ff;
  --ink-dim: #b4abd4;
  --ink-faint: #7d739e;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Poppins", -apple-system, sans-serif;
  --radius: 18px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* grain + ambient glow atmosphere */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(900px 600px at 80% -10%, rgba(139, 92, 246, 0.16), transparent 60%),
    radial-gradient(700px 500px at -10% 30%, rgba(109, 40, 217, 0.12), transparent 60%),
    radial-gradient(600px 600px at 50% 110%, rgba(52, 211, 153, 0.05), transparent 60%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
}

main, header.site, footer.site { position: relative; z-index: 2; }

a { color: var(--violet-bright); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ── ticker tape ─────────────────────────────────────────── */
.tape {
  border-bottom: 1px solid var(--line);
  background: rgba(18, 14, 31, 0.7);
  overflow: hidden;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  user-select: none;
}
.tape-track {
  display: flex;
  gap: 48px;
  white-space: nowrap;
  padding: 7px 0;
  width: max-content;
  animation: tape 38s linear infinite;
}
.tape span { color: var(--ink-faint); }
.tape .up { color: var(--buy); }
.tape .down { color: var(--sell); }
@keyframes tape { to { transform: translateX(-50%); } }

/* ── nav ─────────────────────────────────────────────────── */
header.site nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 17px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.logo:hover { text-decoration: none; }
.logo-mark {
  width: 30px; height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--violet) 0%, var(--violet-deep) 100%);
  display: grid;
  place-items: center;
  box-shadow: 0 4px 18px rgba(139, 92, 246, 0.45);
}
.logo-mark svg { display: block; }
.nav-links { display: flex; align-items: center; gap: 28px; font-size: 14px; }
.nav-links a { color: var(--ink-dim); }
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--violet) 0%, var(--violet-deep) 100%);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  padding: 10px 22px;
  border-radius: 999px;
  box-shadow: 0 6px 24px rgba(139, 92, 246, 0.35);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 32px rgba(139, 92, 246, 0.5); text-decoration: none; }
.btn.ghost {
  background: transparent;
  border: 1px solid var(--line-strong);
  box-shadow: none;
  color: var(--ink-dim);
}
.btn.ghost:hover { color: var(--ink); border-color: var(--violet-bright); }

/* ── hero ────────────────────────────────────────────────── */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
  padding: 84px 0 96px;
}
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--violet-bright);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
}
.eyebrow::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--buy);
  box-shadow: 0 0 10px var(--buy);
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: 0.35; } }
h1 {
  font-size: clamp(38px, 5.4vw, 58px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
h1 .grad {
  background: linear-gradient(100deg, var(--violet-bright), #d8b4fe 50%, var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lede { font-size: 17px; color: var(--ink-dim); max-width: 46ch; margin-bottom: 36px; }
.hero-ctas { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.hero-note { font-family: var(--mono); font-size: 12px; color: var(--ink-faint); margin-top: 18px; }

/* verdict card mock */
.device {
  position: relative;
  animation: rise 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) both 0.15s;
}
@keyframes rise { from { opacity: 0; transform: translateY(26px); } }
.verdict-card {
  background: linear-gradient(160deg, var(--bg-card), var(--bg-raised));
  border: 1px solid var(--line-strong);
  border-radius: 26px;
  padding: 26px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255,255,255,0.02) inset;
  transform: rotate(1.6deg);
}
.vc-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-faint);
  margin-bottom: 16px;
}
.vc-chart { margin: 0 -4px 18px; }
.vc-chart svg { width: 100%; height: auto; display: block; }
.vc-verdict {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.3);
  border-radius: 14px;
  padding: 14px 18px;
  margin-bottom: 16px;
}
.vc-verdict .label { font-weight: 600; font-size: 22px; color: var(--buy); letter-spacing: 0.02em; }
.vc-verdict .conf { text-align: right; font-family: var(--mono); font-size: 11px; color: var(--ink-faint); }
.vc-verdict .conf b { display: block; font-size: 19px; color: var(--ink); font-weight: 600; }
.vc-meter { height: 7px; border-radius: 99px; background: rgba(255,255,255,0.06); overflow: hidden; }
.vc-meter i {
  display: block; height: 100%; width: 87%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--violet-deep), var(--violet-bright), var(--buy));
  animation: fill 1.4s cubic-bezier(0.2, 0.7, 0.2, 1) both 0.6s;
  transform-origin: left;
}
@keyframes fill { from { transform: scaleX(0); } }
.vc-tags { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.vc-tags span {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-dim);
  border: 1px solid var(--line);
  padding: 4px 10px;
  border-radius: 99px;
}
.on-device-chip {
  position: absolute;
  bottom: -18px;
  left: -14px;
  background: var(--bg-raised);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  padding: 10px 16px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--buy);
  box-shadow: 0 16px 40px rgba(0,0,0,0.5);
  transform: rotate(-1.8deg);
}

/* ── sections ───────────────────────────────────────────── */
section { padding: 72px 0; }
.sec-head { max-width: 620px; margin-bottom: 48px; }
.sec-head .kicker {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--violet-bright);
  display: block;
  margin-bottom: 12px;
}
h2 { font-size: clamp(26px, 3.4vw, 36px); font-weight: 600; letter-spacing: -0.02em; line-height: 1.15; }
.sec-head p { color: var(--ink-dim); margin-top: 14px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: rgba(22, 17, 41, 0.6);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.card .ico {
  width: 38px; height: 38px;
  border-radius: 11px;
  display: grid; place-items: center;
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid var(--line-strong);
  margin-bottom: 18px;
  font-size: 17px;
}
.card h3 { font-size: 16.5px; font-weight: 600; margin-bottom: 8px; letter-spacing: -0.01em; }
.card p { font-size: 14px; color: var(--ink-dim); }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: step; }
.step {
  border-top: 1px solid var(--line-strong);
  padding-top: 22px;
  position: relative;
}
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--mono);
  font-size: 13px;
  color: var(--violet-bright);
  display: block;
  margin-bottom: 12px;
}
.step h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--ink-dim); }

/* privacy band */
.band {
  background: linear-gradient(120deg, rgba(139, 92, 246, 0.12), rgba(52, 211, 153, 0.06));
  border: 1px solid var(--line-strong);
  border-radius: 24px;
  padding: 44px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 36px;
  align-items: center;
}
.band h2 { margin-bottom: 14px; }
.band p { color: var(--ink-dim); font-size: 15px; }
.band ul { list-style: none; display: grid; gap: 12px; }
.band li {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-dim);
  display: flex;
  gap: 10px;
  align-items: baseline;
}
.band li::before { content: "▸"; color: var(--buy); }

/* disclaimer */
.disclaimer {
  border: 1px dashed rgba(251, 191, 36, 0.4);
  background: rgba(251, 191, 36, 0.05);
  border-radius: var(--radius);
  padding: 22px 26px;
  font-size: 13.5px;
  color: var(--ink-dim);
}
.disclaimer b { color: var(--hold); font-weight: 600; }

/* FAQ */
details {
  border-bottom: 1px solid var(--line);
  padding: 20px 4px;
}
details summary {
  cursor: pointer;
  font-weight: 500;
  font-size: 16px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
details summary::-webkit-details-marker { display: none; }
details summary::after {
  content: "+";
  font-family: var(--mono);
  color: var(--violet-bright);
  font-size: 19px;
  transition: transform 0.2s ease;
}
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--ink-dim); font-size: 14.5px; padding-top: 12px; max-width: 70ch; }

/* CTA */
.final-cta { text-align: center; padding: 90px 0 100px; }
.final-cta h2 { margin-bottom: 16px; }
.final-cta p { color: var(--ink-dim); margin-bottom: 32px; }

/* footer */
footer.site {
  border-top: 1px solid var(--line);
  padding: 36px 0 48px;
  font-size: 13.5px;
  color: var(--ink-faint);
}
.foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.foot-links { display: flex; gap: 22px; flex-wrap: wrap; }
.foot-links a { color: var(--ink-dim); }

/* ── legal pages ────────────────────────────────────────── */
.legal { max-width: 760px; margin: 0 auto; padding: 56px 24px 90px; }
.back {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-faint);
  display: inline-block;
  margin-bottom: 36px;
}
.legal h1 { font-size: clamp(30px, 4vw, 42px); margin-bottom: 18px; }
.legal .intro { color: var(--ink-dim); font-size: 16px; margin-bottom: 10px; }
.legal .updated {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-faint);
  display: block;
  margin-bottom: 48px;
}
.legal h2 {
  font-size: 19px;
  font-weight: 600;
  margin: 42px 0 14px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  letter-spacing: -0.01em;
}
.legal h3 { font-size: 15.5px; font-weight: 600; margin: 22px 0 8px; }
.legal p, .legal li { font-size: 14.8px; color: var(--ink-dim); margin-bottom: 12px; }
.legal ul { padding-left: 22px; margin-bottom: 16px; }
.legal li { margin-bottom: 8px; }
.legal strong { color: var(--ink); font-weight: 600; }
.legal .callout {
  border-left: 3px solid var(--violet);
  background: rgba(139, 92, 246, 0.07);
  border-radius: 0 12px 12px 0;
  padding: 16px 20px;
  margin: 20px 0;
}
.legal .callout.warn { border-color: var(--hold); background: rgba(251, 191, 36, 0.06); }
.legal .callout p { margin-bottom: 0; }
.legal code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: rgba(167, 139, 250, 0.1);
  padding: 1.5px 6px;
  border-radius: 6px;
}

/* responsive */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding: 56px 0 72px; }
  .device { max-width: 420px; }
  .grid, .steps { grid-template-columns: 1fr; }
  .band { grid-template-columns: 1fr; padding: 32px 26px; }
  .nav-links { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .tape-track, .vc-meter i, .device { animation: none; }
}