/* Base */
:root {
  --bg: #0A1628;
  --bg-2: #0E1E35;
  --bg-3: #132441;
  --fg: #F5F0E8;
  --fg-muted: rgba(245, 240, 232, 0.55);
  --accent: #F4A826;
  --accent-dim: rgba(244, 168, 38, 0.15);
  --signal-red: #FF6B6B;
  --signal-green: #2ECC8A;
  --border: rgba(245, 240, 232, 0.08);
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

html {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg);
  min-height: 100vh;
}

/* Nav */
.nav {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.nav-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Hero */
.hero {
  max-width: 1140px;
  margin: 0 auto;
  padding: 80px 32px 72px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--fg-muted);
  margin-bottom: 36px;
  max-width: 400px;
}
.email-field {
  display: inline-flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px 16px;
  background: var(--bg-2);
}
.email-prefix {
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  color: var(--accent);
}
.email-suffix {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* Mock briefing */
.mock-briefing {
  background: #070E1A;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  font-size: 0.75rem;
}
.mock-header {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
.mock-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
}
.mock-subject {
  padding: 10px 14px 4px;
  color: var(--fg-muted);
  font-family: var(--font-body);
}
.mock-date {
  padding: 0 14px 10px;
  color: var(--fg-muted);
  font-size: 0.7rem;
  opacity: 0.6;
}
.mock-body {
  padding: 0 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.mock-item {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 10px 12px;
  background: var(--bg-2);
}
.mock-item-hot {
  border-color: rgba(244, 168, 38, 0.25);
  background: rgba(244, 168, 38, 0.05);
}
.mock-item-quiet { opacity: 0.45; }
.mock-tag {
  display: inline-block;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 2px;
  margin-bottom: 5px;
  background: var(--accent-dim);
  color: var(--accent);
}
.mock-item p { color: var(--fg-muted); line-height: 1.55; }

/* How it works */
.hiw {
  max-width: 1140px;
  margin: 0 auto;
  padding: 72px 32px;
  border-top: 1px solid var(--border);
}
.section-label {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 36px;
}
.hiw-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.hiw-card { padding: 0; }
.hiw-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--accent);
  opacity: 0.5;
  margin-bottom: 16px;
}
.hiw-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--fg);
  margin-bottom: 10px;
}
.hiw-card p { font-size: 0.9rem; color: var(--fg-muted); line-height: 1.65; }

/* Features */
.features {
  max-width: 1140px;
  margin: 0 auto;
  padding: 72px 32px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 80px;
  align-items: start;
}
.features-headline {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  line-height: 1.25;
  color: var(--fg);
  margin-bottom: 40px;
}
.feature-row {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 16px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}
.feature-row:last-child { border-bottom: none; }
.feature-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-dim);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}
.feature-row h4 {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--fg);
  margin-bottom: 4px;
}
.feature-row p { font-size: 0.85rem; color: var(--fg-muted); line-height: 1.6; }

/* Testimonials */
.testimonials {
  max-width: 1140px;
  margin: 0 auto;
  padding: 72px 32px;
  border-top: 1px solid var(--border);
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 36px;
}
.testimonial {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 24px;
}
.testimonial-text {
  font-size: 0.9rem;
  color: var(--fg);
  line-height: 1.65;
  font-style: italic;
  margin-bottom: 12px;
}
.testimonial-author { font-size: 0.75rem; color: var(--fg-muted); }

/* Closing */
.closing {
  max-width: 1140px;
  margin: 0 auto;
  padding: 100px 32px;
  border-top: 1px solid var(--border);
}
.closing-inner { max-width: 680px; }
.closing-label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 20px;
}
.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.2;
  color: var(--fg);
  margin-bottom: 20px;
}
.closing-sub {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 36px 0;
}
.footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--fg);
  display: block;
  margin-bottom: 8px;
}
.footer-desc {
  font-size: 0.8rem;
  color: var(--fg-muted);
  line-height: 1.6;
  max-width: 320px;
}
.footer-copy {
  font-size: 0.75rem;
  color: var(--fg-muted);
}
.footer-copy a { color: var(--accent); text-decoration: none; }

/* Responsive */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 48px 24px 56px;
  }
  .features {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 48px 24px;
  }
  .hiw-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .hiw, .testimonials, .closing {
    padding: 48px 24px;
  }
  .footer-inner {
    flex-direction: column;
    gap: 20px;
  }
}