:root {
  --bg: #0b0e14;
  --bg2: #101624;
  --card: #151b28;
  --card2: #1a2233;
  --line: #232d40;
  --text: #e6edf7;
  --muted: #8b98ad;
  --accent: #4da3ff;
  --accent2: #9d7bff;
  --green: #23c17b;
  --red: #f0556b;
  --amber: #f2b63d;
  --radius: 14px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 "SF Mono", "Cascadia Code", Consolas, "Segoe UI", system-ui, sans-serif;
}

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 14, 20, 0.88); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 1180px; margin: 0 auto; padding: 14px 22px;
  display: flex; align-items: center; gap: 22px; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 700; }
.logo {
  width: 38px; height: 38px; border-radius: 10px; flex: 0 0 auto;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  font-weight: 800; font-size: 15px; color: #fff;
}
.nav-links { display: flex; gap: 20px; margin-left: 12px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 13.5px; }
.nav-links a:hover { color: var(--text); }
.nav-cta { margin-left: auto; display: flex; gap: 10px; }

/* ---------- buttons ---------- */
.btn {
  border: 0; border-radius: 10px; padding: 10px 18px;
  font-size: 14px; font-weight: 700; cursor: pointer; font-family: inherit;
  transition: filter .15s, transform .1s;
}
.btn:hover { filter: brightness(1.12); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: linear-gradient(135deg, var(--accent), #2e7fe0); color: #fff; }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn.big { padding: 15px 26px; font-size: 15.5px; }
.btn.full { width: 100%; }

/* ---------- hero ---------- */
.hero {
  background:
    radial-gradient(1100px 500px at 80% -10%, rgba(77,163,255,0.13), transparent 60%),
    radial-gradient(900px 480px at 8% 110%, rgba(157,123,255,0.10), transparent 60%),
    var(--bg);
  border-bottom: 1px solid var(--line);
}
.hero-inner {
  max-width: 1180px; margin: 0 auto; padding: 84px 22px 40px;
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center;
}
.eyebrow {
  display: inline-block; font-size: 11.5px; letter-spacing: 1.2px; text-transform: uppercase;
  color: var(--accent); background: rgba(77,163,255,0.10);
  border: 1px solid rgba(77,163,255,0.28); border-radius: 20px; padding: 6px 13px; margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(34px, 4.6vw, 56px); line-height: 1.12; letter-spacing: -0.5px; margin-bottom: 20px;
}
.hero h1 em { font-style: normal; color: var(--green); }
.hero h1 em.sell { color: var(--red); }
.lead { color: #b9c5d8; font-size: 16.5px; max-width: 560px; margin-bottom: 28px; }
.lead b { color: var(--text); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 22px; }
.hero-trust { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 12.5px; }
.stars { color: var(--amber); letter-spacing: 2px; }

/* hero mock cards */
.hero-card { display: flex; flex-direction: column; gap: 16px; }
.mock {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 20px; box-shadow: 0 18px 50px rgba(0,0,0,0.35);
}
.mock2 { opacity: 0.92; transform: translateX(18px); }
.mock-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.mock-conf { margin-left: auto; color: var(--muted); font-size: 11.5px; }
.mock-line { font-size: 13.5px; font-weight: 600; margin-bottom: 10px; }
.up { color: var(--green); } .down { color: var(--red); }
.mock-steps { display: flex; flex-direction: column; gap: 5px; font-size: 12px; color: #c3cede; }
.mock-steps b { color: var(--accent); }
.mock-foot {
  display: flex; gap: 14px; margin-top: 12px; padding-top: 10px;
  border-top: 1px solid var(--line); color: var(--muted); font-size: 11px;
}
.badge {
  display: inline-block; padding: 3px 11px; border-radius: 20px;
  font-size: 10.5px; font-weight: 800; letter-spacing: 0.5px;
}
.badge.buy { background: rgba(35,193,123,0.16); color: var(--green); }
.badge.sell { background: rgba(240,85,107,0.16); color: var(--red); }

/* stats strip */
.stats {
  max-width: 1180px; margin: 0 auto; padding: 26px 22px 56px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
}
.stats > div {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 18px; text-align: center;
}
.stats b { display: block; font-size: 26px; color: var(--accent); }
.stats span { color: var(--muted); font-size: 12px; }

/* ---------- sections ---------- */
.section { max-width: 1180px; margin: 0 auto; padding: 84px 22px; }
.section.alt {
  max-width: none; background: var(--bg2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.section.alt > * { max-width: 1180px; margin-left: auto; margin-right: auto; }
.section h2 { font-size: clamp(26px, 3vw, 36px); text-align: center; margin-bottom: 14px; letter-spacing: -0.3px; }
.sub { text-align: center; color: var(--muted); max-width: 640px; margin: 0 auto 42px; font-size: 15px; }

.grid { display: grid; gap: 18px; }
.features { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px;
}
.card .icon { font-size: 26px; margin-bottom: 12px; }
.card h3 { font-size: 17px; margin-bottom: 8px; }
.card p { color: #aebdd2; font-size: 13.5px; }
.card b { color: var(--text); }

/* steps */
.steps { grid-template-columns: repeat(4, 1fr); }
.step {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 22px; position: relative;
}
.step .num {
  width: 34px; height: 34px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff;
  font-weight: 800; margin-bottom: 14px;
}
.step h3 { font-size: 15.5px; margin-bottom: 8px; }
.step p { color: #aebdd2; font-size: 13px; }

/* showcase */
.showcase { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.show-row {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--card); border: 1px solid var(--line); border-left-width: 4px;
  border-radius: 12px; padding: 16px 18px; font-size: 13.5px;
}
.show-row.buy { border-left-color: var(--green); }
.show-row.sell { border-left-color: var(--red); }
.show-row.flip { border-left-color: var(--amber); }
.show-row.wait { border-left-color: var(--muted); opacity: 0.85; }
.show-tag { flex: 0 0 92px; font-size: 10.5px; font-weight: 800; letter-spacing: 0.6px; color: var(--muted); padding-top: 3px; }
.show-sub { color: var(--muted); font-size: 12px; margin-top: 4px; }
.show-row b { color: var(--text); }

/* ---------- pricing ---------- */
.pricing { grid-template-columns: repeat(3, 1fr); align-items: stretch; margin-top: 8px; }
.plan {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; display: flex; flex-direction: column; position: relative;
}
.plan.featured {
  border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), 0 24px 60px rgba(77,163,255,0.16);
  transform: scale(1.03);
}
.popular {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff;
  font-size: 10px; font-weight: 800; letter-spacing: 1.1px;
  padding: 5px 14px; border-radius: 20px; white-space: nowrap;
}
.plan h3 { font-size: 18px; }
.price { font-size: 44px; font-weight: 800; margin: 10px 0 2px; letter-spacing: -1px; }
.price .cur { font-size: 22px; vertical-align: super; margin-right: 2px; }
.price .per { font-size: 14px; color: var(--muted); font-weight: 500; letter-spacing: 0; }
.plan-for { color: var(--muted); font-size: 12.5px; margin-bottom: 18px; }
.plan ul { list-style: none; display: flex; flex-direction: column; gap: 9px; margin-bottom: 24px; flex: 1; }
.plan li { font-size: 13px; color: #c3cede; padding-left: 24px; position: relative; }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 800; }
.billing-note { text-align: center; color: var(--muted); font-size: 12px; margin-top: 26px; }

/* ---------- testimonials ---------- */
.quotes { grid-template-columns: repeat(3, 1fr); }
.quote {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px;
}
.quote p { color: #c3cede; font-size: 13.5px; margin: 10px 0 16px; }
.quote .who { color: var(--muted); font-size: 12px; }
.quote .who b { color: var(--text); }

/* ---------- faq ---------- */
.faq { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.faq details {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 4px 18px;
}
.faq summary {
  cursor: pointer; font-weight: 700; font-size: 14.5px; padding: 14px 0; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.faq summary::after { content: "+"; color: var(--accent); font-size: 20px; }
.faq details[open] summary::after { content: "–"; }
.faq p { color: #aebdd2; font-size: 13.5px; padding: 0 0 16px; }

/* ---------- cta ---------- */
.cta {
  text-align: center; padding: 92px 22px;
  background:
    radial-gradient(700px 320px at 50% 0%, rgba(77,163,255,0.16), transparent 65%),
    var(--bg);
}
.cta h2 { font-size: clamp(26px, 3.2vw, 38px); margin-bottom: 12px; }
.cta p { color: var(--muted); margin-bottom: 28px; }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--line); padding: 36px 22px; background: var(--bg2); }
.foot-inner {
  max-width: 1180px; margin: 0 auto 18px; display: flex; justify-content: space-between;
  align-items: center; gap: 18px; flex-wrap: wrap;
}
.foot-links { display: flex; gap: 18px; }
.foot-links a { color: var(--muted); text-decoration: none; font-size: 13px; }
.foot-links a:hover { color: var(--text); }
.disclaimer {
  max-width: 900px; margin: 0 auto 12px; color: var(--muted); font-size: 11.5px; line-height: 1.7;
  background: rgba(242,182,61,0.07); border: 1px solid rgba(242,182,61,0.28);
  border-radius: 10px; padding: 12px 16px;
}
.disclaimer b { color: var(--amber); }
.copy { text-align: center; color: var(--muted); font-size: 11.5px; }

/* ---------- modal ---------- */
.modal {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(6, 9, 15, 0.72); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal[hidden] { display: none; }
.modal-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 32px 30px; width: 100%; max-width: 460px; position: relative;
}
.modal-close {
  position: absolute; top: 14px; right: 14px; background: transparent;
  border: 0; color: var(--muted); font-size: 17px; cursor: pointer;
}
.modal-card h3 { font-size: 20px; margin-bottom: 4px; }
.modal-sub { color: var(--muted); font-size: 12.5px; margin-bottom: 20px; }
.modal-card label { display: block; font-size: 11.5px; color: var(--muted); margin-bottom: 14px; }
.modal-card input, .modal-card select {
  width: 100%; margin-top: 5px; background: var(--card2); color: var(--text);
  border: 1px solid var(--line); border-radius: 9px; padding: 11px 13px; font-size: 14px; font-family: inherit;
}
.demo-note {
  background: rgba(77,163,255,0.08); border: 1px solid rgba(77,163,255,0.25);
  border-radius: 9px; padding: 10px 13px; font-size: 11px; color: #a9bdd8; margin-bottom: 16px; line-height: 1.6;
}
.demo-note b { color: var(--accent); }
.modal-success { text-align: center; padding: 12px 0; }
.big-check {
  width: 64px; height: 64px; margin: 0 auto 14px; border-radius: 50%;
  background: rgba(35,193,123,0.15); color: var(--green);
  display: flex; align-items: center; justify-content: center; font-size: 32px; font-weight: 800;
}
.modal-success p { color: var(--muted); font-size: 13px; margin: 8px 0 20px; }
.modal-login p { color: var(--muted); font-size: 12.5px; margin-bottom: 12px; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; padding-top: 56px; }
  .hero-card { display: none; }
  .features, .pricing, .quotes { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .plan.featured { transform: none; }
  .nav-links { display: none; }
}
@media (max-width: 560px) {
  .steps, .stats { grid-template-columns: 1fr; }
  .nav-cta .btn.ghost { display: none; }
}