:root {
  --bg: #0a0a0a;
  --fg: #e8e4df;
  --fg-muted: #8a8580;
  --accent: #ff3d00;
  --accent-glow: rgba(255, 61, 0, 0.15);
  --surface: #141414;
  --surface-raised: #1c1c1c;
  --border: #2a2a2a;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  overflow: hidden;
}

.hero-grain {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, var(--accent-glow) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 80%, rgba(255, 140, 0, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  border: 1px solid rgba(255, 61, 0, 0.3);
  padding: 0.4rem 1rem;
  border-radius: 2px;
  margin-bottom: 2rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero h1 .accent {
  color: var(--accent);
  position: relative;
}

.lede {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
}

.hero-stats {
  position: relative;
  display: flex;
  gap: 3rem;
  max-width: 900px;
  margin: 5rem auto 0;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--fg);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* === FEATURES === */
.features {
  padding: 8rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.features-header {
  margin-bottom: 4rem;
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.features-header p {
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 520px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2.5rem;
  transition: border-color 0.3s;
}

.feature-card:hover {
  border-color: rgba(255, 61, 0, 0.3);
}

.feature-large {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-raised) 100%);
}

.feature-icon {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1.2rem;
  letter-spacing: 0.05em;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* === PULSE === */
.pulse {
  padding: 8rem 2rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.pulse-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.pulse-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.pulse-text p {
  color: var(--fg-muted);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.pulse-visual {
  display: flex;
  align-items: flex-end;
  gap: 1rem;
  height: 280px;
  padding: 0 1rem;
}

.pulse-bar {
  flex: 1;
  height: var(--h);
  background: linear-gradient(to top, var(--accent) 0%, rgba(255, 61, 0, 0.3) 100%);
  border-radius: 4px 4px 0 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 0.75rem;
  position: relative;
}

.pulse-bar span {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--fg);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: rotate(180deg);
}

/* === CLOSING === */
.closing {
  padding: 10rem 2rem;
  text-align: center;
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

/* === FOOTER === */
.site-footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.footer-meta {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* === MOBILE === */
@media (max-width: 768px) {
  .hero {
    padding: 4rem 1.5rem 3rem;
    min-height: auto;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 3rem;
    padding-top: 2rem;
  }

  .features {
    padding: 5rem 1.5rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .feature-large {
    grid-column: auto;
  }

  .pulse {
    padding: 5rem 1.5rem;
  }

  .pulse-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .pulse-visual {
    height: 200px;
  }

  .closing {
    padding: 6rem 1.5rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .feature-card {
    padding: 1.8rem;
  }
}