:root {
  --bg-deep: #0a0f0a;
  --bg-surface: #111a11;
  --bg-card: #162016;
  --bg-card-hover: #1c2b1c;
  --fg: #e8ede8;
  --fg-muted: #8fa88f;
  --fg-dim: #5a6f5a;
  --accent: #3ddc84;
  --accent-soft: rgba(61, 220, 132, 0.12);
  --accent-glow: rgba(61, 220, 132, 0.25);
  --gold: #c5a55a;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

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

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

.hero-bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.geo-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
}

.ring-1 {
  width: 600px; height: 600px;
  top: -100px; right: -150px;
  border-color: rgba(61, 220, 132, 0.08);
}

.ring-2 {
  width: 400px; height: 400px;
  bottom: -50px; left: -100px;
  border-color: rgba(197, 165, 90, 0.06);
}

.ring-3 {
  width: 250px; height: 250px;
  top: 20%; left: 15%;
  border-color: rgba(61, 220, 132, 0.05);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-eyebrow {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

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

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

.hero-stat-bar {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-top: 4rem;
  padding: 1.5rem 3rem;
  background: var(--bg-surface);
  border: 1px solid rgba(61, 220, 132, 0.1);
  border-radius: 16px;
}

.stat { text-align: center; }

.stat-value {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--fg);
}

.stat-label {
  display: block;
  font-size: 0.78rem;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.25rem;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,0.08);
}

/* ===== PHILOSOPHY ===== */
.philosophy {
  padding: 8rem 2rem;
  background: var(--bg-surface);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.philosophy-inner {
  max-width: 680px;
  margin: 0 auto;
}

.philosophy-label,
.features-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
}

.philosophy h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  line-height: 1.2;
  margin-bottom: 2rem;
  letter-spacing: -0.01em;
}

.philosophy p {
  color: var(--fg-muted);
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
}

/* ===== FEATURES ===== */
.features {
  padding: 8rem 2rem;
}

.features-header {
  max-width: 680px;
  margin: 0 auto 4rem;
}

.features-header h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.features-grid {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(61, 220, 132, 0.15);
}

.feature-card-large {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(61, 220, 132, 0.04) 100%);
}

.feature-icon {
  font-size: 1.6rem;
  color: var(--accent);
  margin-bottom: 1rem;
  line-height: 1;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ===== CLOSING ===== */
.closing {
  padding: 8rem 2rem;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-surface) 100%);
}

.closing-inner {
  max-width: 640px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.closing-tagline {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--accent);
  letter-spacing: 0.04em;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 3rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--fg);
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    padding: 4rem 1.5rem 3rem;
    min-height: auto;
    min-height: 90vh;
  }

  .hero-stat-bar {
    flex-direction: column;
    gap: 1.25rem;
    padding: 1.5rem 2rem;
  }

  .stat-divider {
    width: 40px;
    height: 1px;
  }

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

  .feature-card-large {
    grid-column: 1;
  }

  .philosophy,
  .features,
  .closing {
    padding: 5rem 1.5rem;
  }

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

  .ring-1 { width: 350px; height: 350px; top: -80px; right: -120px; }
  .ring-2 { width: 250px; height: 250px; }
  .ring-3 { width: 150px; height: 150px; }
}

/* ===== HERO CTA ===== */
.hero-cta-row {
  margin-top: 2.5rem;
}

.hero-cta-btn {
  display: inline-block;
  background: var(--accent);
  color: #0a0f0a;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.85rem 2rem;
  border-radius: 10px;
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: background 0.2s, transform 0.15s;
}

.hero-cta-btn:hover {
  background: #4fea94;
  transform: translateY(-1px);
}