:root {
  --bg: #0a0f0a;
  --bg-elevated: #121a12;
  --bg-card: #162016;
  --fg: #e8ede4;
  --fg-muted: #8a9a82;
  --fg-dim: #5a6a52;
  --accent: #4ade80;
  --accent-dim: #22c55e;
  --accent-glow: rgba(74, 222, 128, 0.12);
  --warm: #d4a054;
  --border: #1e2e1e;
  --border-light: #2a3a2a;
  --radius: 12px;
  --radius-lg: 20px;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ── Hero ── */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 8% 80px;
  position: relative;
  overflow: hidden;
  background: 
    radial-gradient(ellipse 80% 60% at 20% 80%, rgba(74, 222, 128, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 80% 20%, rgba(212, 160, 84, 0.04) 0%, transparent 50%),
    var(--bg);
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(74, 222, 128, 0.2);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 40px;
  width: fit-content;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 28px;
  max-width: 800px;
}

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

.lede {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  color: var(--fg-muted);
  max-width: 580px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-muted);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 8px 18px;
  border-radius: 100px;
  transition: border-color 0.2s;
}

.tag:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Philosophy ── */
.philosophy {
  padding: 100px 8%;
  border-top: 1px solid var(--border);
}

.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  max-width: 1200px;
}

.philosophy-left h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.philosophy-right p {
  color: var(--fg-muted);
  margin-bottom: 20px;
  font-size: 1.05rem;
}

.philosophy-right p:last-child {
  margin-bottom: 0;
}

/* ── Features ── */
.features {
  padding: 100px 8%;
  border-top: 1px solid var(--border);
}

.features-header {
  margin-bottom: 60px;
}

.section-label {
  display: block;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 1200px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 44px 40px;
  transition: border-color 0.3s, transform 0.3s;
}

.feature-card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
}

.feature-card-large {
  grid-column: 1 / -1;
  background: 
    linear-gradient(135deg, rgba(74, 222, 128, 0.04) 0%, transparent 50%),
    var(--bg-card);
}

.feature-icon {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-dim);
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.98rem;
  line-height: 1.65;
}

/* ── Numbers ── */
.numbers {
  padding: 80px 8%;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  max-width: 1200px;
  text-align: center;
}

.number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.number-label {
  font-size: 0.85rem;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}

/* ── Closing ── */
.closing {
  padding: 120px 8%;
  text-align: center;
  background:
    radial-gradient(ellipse 60% 50% at 50% 80%, rgba(74, 222, 128, 0.05) 0%, transparent 60%),
    var(--bg);
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.closing-text {
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ── Footer ── */
.footer {
  padding: 48px 8%;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.footer-tagline {
  font-size: 0.82rem;
  color: var(--fg-dim);
}

.footer-meta {
  display: flex;
  gap: 32px;
  font-size: 0.82rem;
  color: var(--fg-dim);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: 80px 6% 60px;
  }

  .philosophy-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

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

  .numbers-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-content {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .footer-meta {
    flex-direction: column;
    gap: 8px;
  }

  .feature-card {
    padding: 32px 28px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.4rem;
  }

  .numbers-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-tags {
    gap: 8px;
  }

  .tag {
    font-size: 12px;
    padding: 6px 14px;
  }
}