/* Master AI — 3D Trading Signals Landing */

:root {
  --bg: #05080f;
  --bg-deep: #020409;
  --surface: #0a0f1e;
  --surface-raised: #111829;
  --border: rgba(212, 168, 74, 0.14);
  --border-strong: rgba(212, 168, 74, 0.32);
  --ink: #f3ecdb;
  --ink-dim: #8a8575;
  --ink-faint: #5c5849;
  --gold-1: #f5d67a;
  --gold-2: #d4a84a;
  --gold-3: #8a6a1f;
  --gold-glow: rgba(212, 168, 74, 0.35);
  --buy: #3ddc8a;
  --sell: #ff5e7a;
  --neutral: #4a8cff;
}

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

html, body {
  background: var(--bg-deep);
  color: var(--ink);
  font-family: 'Space Grotesk', sans-serif;
  font-feature-settings: 'ss01', 'cv11';
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body {
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(212, 168, 74, 0.08), transparent 60%),
    radial-gradient(900px 600px at 10% 30%, rgba(74, 140, 255, 0.04), transparent 60%),
    var(--bg-deep);
}

.mono { font-family: 'JetBrains Mono', monospace; }

/* Grain */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence baseFrequency='0.9' numOctaves='2'/><feColorMatrix values='0 0 0 0 0.9 0 0 0 0 0.8 0 0 0 0 0.5 0 0 0 0.06 0'/></filter><rect width='160' height='160' filter='url(%23n)'/></svg>");
  mix-blend-mode: overlay;
  opacity: 0.35;
  z-index: 100;
}

/* ===== TOP NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 18px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(16px) saturate(140%);
  background: linear-gradient(180deg, rgba(5, 8, 15, 0.7), rgba(5, 8, 15, 0.3));
  border-bottom: 1px solid rgba(212, 168, 74, 0.08);
}
.nav-brand { display: flex; align-items: center; gap: 12px; }
.nav-brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav-brand-text { font-weight: 600; letter-spacing: -0.01em; font-size: 17px; }
.nav-brand-text span { color: var(--gold-1); }
.nav-links { display: flex; gap: 32px; font-size: 14px; color: var(--ink-dim); }
.nav-links a { color: inherit; text-decoration: none; transition: color 0.2s; }
.nav-links a:hover { color: var(--ink); }
.nav-cta {
  display: flex; gap: 12px; align-items: center;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 20px;
  border-radius: 10px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}
.btn-primary {
  background: linear-gradient(180deg, #f5d67a 0%, #d4a84a 55%, #a4802f 100%);
  color: #1a1405;
  box-shadow:
    0 0 0 1px rgba(245, 214, 122, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.45),
    inset 0 -1px 0 rgba(0, 0, 0, 0.25),
    0 10px 30px -8px rgba(212, 168, 74, 0.6),
    0 2px 8px rgba(0, 0, 0, 0.5);
  font-weight: 600;
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow:
    0 0 0 1px rgba(245, 214, 122, 0.6),
    inset 0 1px 0 rgba(255, 255, 255, 0.55),
    inset 0 -1px 0 rgba(0, 0, 0, 0.25),
    0 14px 36px -6px rgba(212, 168, 74, 0.7),
    0 2px 8px rgba(0, 0, 0, 0.5);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.06); border-color: rgba(212, 168, 74, 0.3); }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 140px 40px 80px;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 40px;
  align-items: center;
  perspective: 2000px;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212, 168, 74, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 168, 74, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black, transparent);
  transform: perspective(800px) rotateX(60deg) translateY(30%) scale(2);
  transform-origin: 50% 100%;
  pointer-events: none;
  opacity: 0.8;
}

.hero-aurora {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 168, 74, 0.3) 0%, transparent 60%);
  filter: blur(40px);
  pointer-events: none;
}
.hero-aurora.a { top: -100px; right: -50px; animation: float 12s ease-in-out infinite; }
.hero-aurora.b { bottom: -200px; left: -100px; background: radial-gradient(circle, rgba(74, 140, 255, 0.15) 0%, transparent 60%); animation: float 14s ease-in-out infinite reverse; }

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-40px, 30px); }
}

.hero-left { position: relative; z-index: 2; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px 6px 6px;
  border-radius: 999px;
  background: rgba(212, 168, 74, 0.08);
  border: 1px solid rgba(212, 168, 74, 0.2);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--gold-1);
  margin-bottom: 28px;
}
.eyebrow-dot {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f5d67a, #8a6a1f);
  display: grid; place-items: center;
  color: #1a1405;
  font-weight: 700;
  font-size: 11px;
}
.eyebrow-dot::after {
  content: '';
  position: absolute;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--buy);
  box-shadow: 0 0 10px var(--buy);
  animation: pulse 1.5s ease-in-out infinite;
  transform: translate(16px, -8px);
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: translate(16px, -8px) scale(1); }
  50% { opacity: 0.4; transform: translate(16px, -8px) scale(1.3); }
}

h1.hero-title {
  font-size: clamp(44px, 5.5vw, 84px);
  line-height: 0.98;
  letter-spacing: -0.035em;
  font-weight: 500;
  margin-bottom: 28px;
  text-wrap: balance;
}
h1.hero-title .gold {
  background: linear-gradient(180deg, #f5d67a 0%, #d4a84a 60%, #8a6a1f 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: italic;
  font-weight: 600;
}

.hero-sub {
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink-dim);
  max-width: 520px;
  margin-bottom: 40px;
  text-wrap: pretty;
}

.hero-ctas { display: flex; gap: 14px; align-items: center; margin-bottom: 44px; }

.hero-stats {
  display: flex;
  gap: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.hero-stat-num {
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--gold-1);
  font-family: 'JetBrains Mono', monospace;
}
.hero-stat-label {
  font-size: 12px;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

/* ===== HERO 3D STACK ===== */
.hero-right {
  position: relative;
  height: 640px;
  transform-style: preserve-3d;
  z-index: 1;
}

.stack-card {
  position: absolute;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(17, 24, 41, 0.95), rgba(10, 15, 30, 0.95));
  border: 1px solid var(--border-strong);
  box-shadow:
    0 40px 80px -20px rgba(0, 0, 0, 0.7),
    0 0 0 1px rgba(212, 168, 74, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(20px);
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.2, 0.9, 0.3, 1);
}

.stack-card.main {
  top: 40px; left: 40px; right: 40px;
  height: 460px;
  transform: perspective(1400px) rotateY(-14deg) rotateX(6deg) translateZ(40px);
  z-index: 3;
  padding: 22px;
}

.stack-card.behind {
  top: 10px; left: 100px; right: 0;
  height: 400px;
  transform: perspective(1400px) rotateY(-18deg) rotateX(8deg) translateZ(-20px);
  z-index: 2;
  opacity: 0.55;
}

.stack-card.back {
  top: 80px; right: 80px;
  width: 180px;
  height: 120px;
  transform: perspective(1400px) rotateY(-14deg) rotateX(12deg) translateZ(80px);
  z-index: 4;
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stack-card.side {
  bottom: 60px; left: -20px;
  width: 260px;
  padding: 18px;
  transform: perspective(1400px) rotateY(-6deg) rotateX(8deg) translateZ(60px);
  z-index: 5;
}

/* signal card inner */
.signal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--border);
  margin-bottom: 18px;
}
.signal-pair {
  display: flex; align-items: center; gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.pair-flags {
  display: flex;
  margin-right: 6px;
}
.flag {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 2px solid var(--surface);
  display: grid; place-items: center;
  font-size: 10px;
  font-weight: 700;
}
.flag:nth-child(2) { margin-left: -8px; }
.flag.eur { background: #003399; color: #ffcc00; }
.flag.usd { background: #b22234; color: #fff; }
.flag.gbp { background: #012169; color: #fff; }
.flag.jpy { background: #fff; color: #bc002d; }
.flag.xau { background: linear-gradient(135deg, #f5d67a, #8a6a1f); color: #1a1405; }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 10px;
  border-radius: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  font-weight: 600;
}
.badge-buy { background: rgba(61, 220, 138, 0.12); color: var(--buy); border: 1px solid rgba(61, 220, 138, 0.3); }
.badge-sell { background: rgba(255, 94, 122, 0.12); color: var(--sell); border: 1px solid rgba(255, 94, 122, 0.3); }
.badge-neutral { background: rgba(74, 140, 255, 0.12); color: var(--neutral); border: 1px solid rgba(74, 140, 255, 0.3); }

/* chart */
.mini-chart {
  position: relative;
  height: 180px;
  margin-bottom: 16px;
  background: linear-gradient(180deg, rgba(212, 168, 74, 0.02), transparent);
  border-radius: 10px;
  overflow: hidden;
}

.mini-chart::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 36px;
}

.tp-line {
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  display: flex;
  align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.tp-line::before {
  content: '';
  flex: 1;
  height: 1px;
  border-top: 1px dashed currentColor;
  opacity: 0.5;
  margin-right: 8px;
}
.tp-line span {
  padding: 2px 6px;
  background: var(--surface-raised);
  border: 1px solid currentColor;
  border-radius: 3px;
}

/* signal details grid */
.signal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
}
.signal-cell {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
}
.signal-cell-label {
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 4px;
}
.signal-cell-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
}
.signal-cell.tp1 .signal-cell-value { color: var(--buy); }
.signal-cell.sl .signal-cell-value { color: var(--sell); }
.signal-cell.gold .signal-cell-value { color: var(--gold-1); }

/* side card = confidence meter */
.confidence-ring {
  width: 80px; height: 80px;
  position: relative;
}
.confidence-num {
  position: absolute;
  inset: 0;
  display: grid; place-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  font-size: 22px;
  color: var(--gold-1);
  letter-spacing: -0.02em;
}

/* back card = timeframe chip */
.tf-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-dim);
}

/* ===== SECTION SCAFFOLD ===== */
section.block { padding: 120px 40px; position: relative; }
.section-head { max-width: 720px; margin: 0 auto 60px; text-align: center; }
.section-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--gold-2);
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 500;
  margin-bottom: 18px;
}
.section-title em {
  color: var(--gold-1);
  font-style: italic;
  font-weight: 600;
}
.section-sub {
  font-size: 17px;
  color: var(--ink-dim);
  line-height: 1.5;
  max-width: 560px;
  margin: 0 auto;
}

/* ===== 3D CAROUSEL ===== */
.carousel-wrap {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  height: 540px;
  perspective: 1800px;
}

.carousel-stage {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.8s cubic-bezier(0.3, 0.9, 0.4, 1);
}

.carousel-card {
  position: absolute;
  top: 50%; left: 50%;
  width: 380px;
  height: 460px;
  transform-origin: center center;
  transform-style: preserve-3d;
  transition: transform 0.8s cubic-bezier(0.3, 0.9, 0.4, 1), opacity 0.6s;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(17, 24, 41, 0.98), rgba(10, 15, 30, 0.98));
  border: 1px solid var(--border);
  padding: 24px;
  box-shadow:
    0 40px 80px -20px rgba(0, 0, 0, 0.7),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.carousel-card.active {
  border-color: var(--border-strong);
  box-shadow:
    0 50px 100px -20px rgba(0, 0, 0, 0.8),
    0 0 60px -20px rgba(212, 168, 74, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.carousel-nav {
  position: absolute;
  bottom: -40px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}
.carousel-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}
.carousel-dot.active {
  width: 24px;
  border-radius: 4px;
  background: var(--gold-2);
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(17, 24, 41, 0.8);
  border: 1px solid var(--border);
  color: var(--ink);
  cursor: pointer;
  display: grid; place-items: center;
  z-index: 10;
  backdrop-filter: blur(10px);
  transition: all 0.2s;
}
.carousel-arrow:hover { border-color: var(--border-strong); background: rgba(17, 24, 41, 0.95); }
.carousel-arrow.left { left: 40px; }
.carousel-arrow.right { right: 40px; }

/* ===== UPLOAD DEMO ===== */
.demo-wrap {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: stretch;
}
.demo-panel {
  background: linear-gradient(180deg, rgba(17, 24, 41, 0.5), rgba(10, 15, 30, 0.5));
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  min-height: 560px;
  position: relative;
  overflow: hidden;
}
.demo-panel-title {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.demo-panel-title .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gold-2);
  box-shadow: 0 0 8px var(--gold-2);
}

/* chart preview */
.chart-preview {
  height: 320px;
  background: #020409;
  border: 1px solid var(--border);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
  margin-bottom: 16px;
}
.chart-preview-overlay {
  position: absolute;
  inset: 0;
  display: grid; place-items: center;
  background: linear-gradient(180deg, rgba(5, 8, 15, 0.7), rgba(5, 8, 15, 0.2));
  transition: opacity 0.3s;
}
.chart-preview-overlay.hidden { opacity: 0; pointer-events: none; }

.style-picker {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.style-chip {
  padding: 12px 8px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 12px;
  color: var(--ink-dim);
  cursor: pointer;
  text-align: center;
  transition: all 0.2s;
}
.style-chip:hover { border-color: var(--border-strong); color: var(--ink); }
.style-chip.active {
  background: rgba(212, 168, 74, 0.08);
  border-color: var(--gold-2);
  color: var(--gold-1);
}
.style-chip-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--ink-faint);
  margin-top: 3px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Analysis output */
.analysis-scroll {
  min-height: 440px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.analysis-line {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--ink-dim);
  line-height: 1.5;
  opacity: 0;
  animation: fadeIn 0.4s forwards;
}
.analysis-line .chev { color: var(--gold-2); }
.analysis-line.done .chev { color: var(--buy); }
@keyframes fadeIn { to { opacity: 1; } }

.analysis-result {
  margin-top: auto;
  padding: 16px;
  background: linear-gradient(135deg, rgba(212, 168, 74, 0.08), rgba(212, 168, 74, 0.02));
  border: 1px solid var(--border-strong);
  border-radius: 14px;
}

/* ===== PHONE GALLERY ===== */
.phones {
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
  perspective: 2400px;
  padding: 60px 0 100px;
  height: 560px;
}
.phones-track {
  position: absolute;
  inset: 60px 0 100px;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
  transform-style: preserve-3d;
}
.phone {
  position: relative;
  width: 200px;
  height: 420px;
  border-radius: 34px;
  background: #000;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow:
    0 40px 80px -20px rgba(0, 0, 0, 0.8),
    inset 0 0 0 1px rgba(255, 255, 255, 0.04),
    0 0 0 1px rgba(212, 168, 74, 0.08);
  flex-shrink: 0;
  margin: 0 -30px;
  transition: transform 0.6s cubic-bezier(0.2, 0.9, 0.3, 1);
  cursor: pointer;
}
.phone::before {
  content: '';
  position: absolute;
  top: 14px; left: 50%;
  transform: translateX(-50%);
  width: 76px; height: 18px;
  background: #000;
  border-radius: 12px;
  z-index: 3;
}
.phone img {
  width: 100%;
  height: 100%;
  border-radius: 28px;
  object-fit: cover;
  display: block;
}
.phone-label {
  position: absolute;
  bottom: -32px;
  left: 50%;
  transform: translateX(-50%);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  white-space: nowrap;
  transition: color 0.3s;
}
.phone.p-0 { transform: perspective(1800px) rotateY(26deg) translateZ(-60px); z-index: 1; }
.phone.p-1 { transform: perspective(1800px) rotateY(13deg) translateZ(-10px); z-index: 2; }
.phone.p-2 { transform: perspective(1800px) translateZ(60px) scale(1.08); z-index: 4; }
.phone.p-3 { transform: perspective(1800px) rotateY(-13deg) translateZ(-10px); z-index: 2; }
.phone.p-4 { transform: perspective(1800px) rotateY(-26deg) translateZ(-60px); z-index: 1; }
.phone.p-2 .phone-label { color: var(--gold-1); }
.phones:hover .phone { filter: brightness(0.7) saturate(0.8); }
.phones .phone:hover { filter: none; transform: perspective(1800px) translateZ(100px) scale(1.12); z-index: 10; }
.phones .phone:hover .phone-label { color: var(--gold-1); }

@media (max-width: 960px) {
  .phones { height: auto; padding: 20px; }
  .phones-track { position: static; flex-wrap: wrap; gap: 40px 0; }
  .phone { margin: 0 -20px; width: 160px; height: 336px; }
  .phone.p-0, .phone.p-1, .phone.p-2, .phone.p-3, .phone.p-4 { transform: none; }
}

/* ===== FEATURES GRID ===== */
.features {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.feature {
  padding: 28px;
  background: linear-gradient(180deg, rgba(17, 24, 41, 0.6), rgba(10, 15, 30, 0.3));
  border: 1px solid var(--border);
  border-radius: 18px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.feature::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-2), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s;
}
.feature:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.feature:hover::before { transform: translateX(0); }
.feature.large { grid-column: span 2; }

.feature-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(212, 168, 74, 0.15), rgba(212, 168, 74, 0.02));
  border: 1px solid var(--border-strong);
  display: grid; place-items: center;
  margin-bottom: 18px;
  color: var(--gold-1);
}
.feature-title {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.feature-desc {
  font-size: 14px;
  color: var(--ink-dim);
  line-height: 1.55;
}

/* ===== PRICING ===== */
.pricing-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.pricing-card {
  padding: 28px;
  background: linear-gradient(180deg, rgba(17, 24, 41, 0.6), rgba(10, 15, 30, 0.3));
  border: 1px solid var(--border);
  border-radius: 20px;
  position: relative;
  transition: all 0.3s;
}
.pricing-card.featured {
  background: linear-gradient(180deg, rgba(212, 168, 74, 0.05), rgba(10, 15, 30, 0.3));
  border-color: var(--border-strong);
  transform: translateY(-10px);
  box-shadow: 0 30px 60px -20px rgba(212, 168, 74, 0.2);
}
.pricing-card.featured::before {
  content: 'Best Value';
  position: absolute;
  top: -1px; right: 20px;
  padding: 5px 12px;
  border-radius: 0 0 8px 8px;
  background: linear-gradient(180deg, #f5d67a, #d4a84a);
  color: #1a1405;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.pricing-name {
  font-size: 14px;
  color: var(--ink-dim);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}
.pricing-price {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 40px;
  font-weight: 500;
  letter-spacing: -0.03em;
  margin-bottom: 2px;
}
.pricing-price .currency { font-size: 22px; color: var(--ink-dim); font-weight: 400; }
.pricing-period {
  font-size: 13px;
  color: var(--ink-faint);
  margin-bottom: 20px;
}
.pricing-features {
  list-style: none;
  margin: 20px 0;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pricing-features li {
  font-size: 13px;
  color: var(--ink-dim);
  display: flex;
  gap: 8px;
  align-items: flex-start;
}
.pricing-features li::before {
  content: '✓';
  color: var(--gold-2);
  font-weight: 700;
}
.pricing-cta {
  width: 100%;
  justify-content: center;
}

/* ===== FOOTER ===== */
.footer {
  padding: 60px 40px 40px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  max-width: 1400px;
  margin: 0 auto;
}
.footer-brand { display: flex; flex-direction: column; gap: 16px; max-width: 340px; }
.footer-brand-row { display: flex; align-items: center; gap: 12px; }
.footer-brand-row img { width: 40px; height: 40px; border-radius: 10px; }
.footer-brand-desc { font-size: 13px; color: var(--ink-dim); line-height: 1.55; }
.footer-col h4 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  margin-bottom: 14px;
  font-weight: 500;
}
.footer-col a {
  display: block;
  font-size: 13px;
  color: var(--ink-dim);
  text-decoration: none;
  margin-bottom: 8px;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--ink); }
.footer-disclaimer {
  max-width: 1400px;
  margin: 0 auto;
  padding: 30px 40px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--ink-faint);
  line-height: 1.6;
  display: flex;
  justify-content: space-between;
  gap: 40px;
}
.footer-disclaimer p { max-width: 800px; }

/* scroll indicator */
.scroll-ind {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--ink-faint);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-family: 'JetBrains Mono', monospace;
}
.scroll-ind-line {
  width: 1px; height: 30px;
  background: linear-gradient(180deg, var(--ink-faint), transparent);
  animation: scrollDown 2s ease-in-out infinite;
}
@keyframes scrollDown {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* marquee */
.marquee {
  overflow: hidden;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(10, 15, 30, 0.4);
  position: relative;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}
.marquee-track {
  display: flex;
  gap: 60px;
  animation: marquee 40s linear infinite;
  white-space: nowrap;
  width: max-content;
}
.marquee-item {
  display: flex; align-items: center; gap: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--ink-dim);
}
.marquee-item .pair { color: var(--ink); font-weight: 500; }
.marquee-item .pct.up { color: var(--buy); }
.marquee-item .pct.down { color: var(--sell); }
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* responsive */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; padding: 110px 24px 60px; }
  .hero-right { display: none; }
  .demo-wrap, .features, .pricing-grid, .footer { grid-template-columns: 1fr; }
  .nav { padding: 14px 20px; }
  .nav-links { display: none; }
  section.block { padding: 80px 20px; }
}