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

:root {
  --bg: #0B1628;
  --bg-card: #111D32;
  --bg-card-alt: #162540;
  --accent: #00E5C8;
  --accent-dim: rgba(0, 229, 200, 0.12);
  --text: #F5F3EF;
  --text-muted: rgba(245, 243, 239, 0.55);
  --text-faint: rgba(245, 243, 239, 0.28);
  --border: rgba(245, 243, 239, 0.08);
  --success: #00E5C8;
  --warn: #F5A623;
  --danger: #FF4757;
  --up: #00E5C8;
  --down: #FF4757;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ──────────────────────────────────────────── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  color: var(--text);
}
.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.status-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ── HERO ──────────────────────────────────────────── */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  padding: 80px 48px 96px;
  max-width: 1280px;
  margin: 0 auto;
  align-items: center;
}
.hero-eyebrow { margin-bottom: 20px; }
.eyebrow-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(0, 229, 200, 0.3);
  padding: 5px 12px;
  border-radius: 3px;
}
.hero-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(3rem, 5vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 28px;
}
.hero-lede {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 480px;
  margin-bottom: 48px;
}
.hero-proof {
  display: flex;
  align-items: center;
  gap: 32px;
}
.proof-stat { display: flex; flex-direction: column; gap: 4px; }
.proof-num {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--text);
}
.proof-label {
  font-size: 0.72rem;
  color: var(--text-faint);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.proof-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ── SIGNAL BOARD (hero visual) ───────────────────── */
.signal-board {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  font-family: 'DM Mono', 'Courier New', monospace;
}
.board-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  background: var(--bg-card-alt);
  border-bottom: 1px solid var(--border);
}
.board-title {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  text-transform: uppercase;
  font-family: 'DM Sans', sans-serif;
}
.board-live {
  font-size: 0.65rem;
  color: var(--accent);
  letter-spacing: 0.08em;
}
.board-rows { padding: 4px 0; }
.board-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  align-items: center;
  padding: 10px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
}
.board-row:last-child { border-bottom: none; }
.signal-label { color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.signal-tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 3px;
  font-family: 'DM Mono', monospace;
}
.signal-tag.down { background: rgba(255, 71, 87, 0.15); color: var(--down); }
.signal-tag.up { background: rgba(0, 229, 200, 0.15); color: var(--up); }
.signal-tag.warn { background: rgba(245, 166, 35, 0.15); color: var(--warn); }
.signal-tag.danger { background: rgba(255, 71, 87, 0.15); color: var(--danger); }
.signal-action { color: var(--text-faint); font-size: 0.65rem; white-space: nowrap; }
.board-footer {
  display: flex;
  justify-content: space-between;
  padding: 10px 20px;
  background: var(--bg-card-alt);
  border-top: 1px solid var(--border);
}
.board-count { font-size: 0.65rem; color: var(--text-faint); }

/* ── SECTION LABEL ─────────────────────────────────── */
.section-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 40px;
}

/* ── SIGNALS ────────────────────────────────────────── */
.signals {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 48px;
}
.signals-inner { max-width: 1280px; margin: 0 auto; }
.signals-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}
.signal-card {
  background: var(--bg);
  padding: 32px 28px;
  border: 1px solid var(--border);
  transition: border-color 0.2s;
}
.signal-card:hover { border-color: rgba(0, 229, 200, 0.3); }
.signal-icon {
  color: var(--accent);
  margin-bottom: 20px;
}
.signal-card h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 12px;
  color: var(--text);
}
.signal-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ── HOW IT WORKS ───────────────────────────────────── */
.how { padding: 80px 48px; max-width: 1280px; margin: 0 auto; }
.how-inner { }
.steps { display: flex; flex-direction: column; gap: 0; border-left: 1px solid var(--border); padding-left: 40px; }
.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 28px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.step:last-child { border-bottom: none; }
.step::before {
  content: '';
  position: absolute;
  left: -41px;
  top: 44px;
  width: 9px;
  height: 9px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent);
}
.step-num {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 0.7rem;
  color: var(--text-faint);
  letter-spacing: 0.06em;
  padding-top: 4px;
  min-width: 32px;
}
.step-body h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--text);
}
.step-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 560px;
}

/* ── PHILOSOPHY ─────────────────────────────────────── */
.philosophy {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 48px;
}
.philosophy-inner { max-width: 1280px; margin: 0 auto; }
.philosophy-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.philosophy-quote blockquote {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  line-height: 1.35;
  color: var(--text);
  letter-spacing: -0.02em;
  border-left: 3px solid var(--accent);
  padding-left: 28px;
}
.philosophy-body p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 20px;
}
.philosophy-body p:last-child { margin-bottom: 0; }

/* ── CLOSING ────────────────────────────────────────── */
.closing { padding: 96px 48px; text-align: center; }
.closing-inner { max-width: 700px; margin: 0 auto; }
.closing-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(0, 229, 200, 0.3);
  padding: 6px 16px;
  border-radius: 3px;
  margin-bottom: 28px;
}
.closing-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 20px;
}
.closing-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* ── FOOTER ─────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 48px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1280px;
  margin: 0 auto;
}
.footer-brand { display: flex; flex-direction: column; gap: 4px; }
.footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  color: var(--text);
}
.footer-tagline { font-size: 0.8rem; color: var(--text-faint); }
.footer-meta { font-size: 0.78rem; color: var(--text-faint); }

/* ── RESPONSIVE ──────────────────────────────────────── */
@media (max-width: 768px) {
  .nav { padding: 16px 24px; }
  .hero { grid-template-columns: 1fr; padding: 56px 24px 64px; gap: 48px; }
  .hero-visual { order: -1; }
  .hero-headline { font-size: 2.8rem; }
  .hero-proof { gap: 20px; }
  .signals { padding: 56px 24px; }
  .signals-grid { grid-template-columns: 1fr; }
  .how { padding: 56px 24px; }
  .steps { padding-left: 28px; }
  .philosophy { padding: 56px 24px; }
  .philosophy-content { grid-template-columns: 1fr; gap: 40px; }
  .closing { padding: 64px 24px; }
  .footer { padding: 24px; }
  .footer-inner { flex-direction: column; gap: 16px; align-items: flex-start; }
}