:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #16161f;
  --fg: #e8e8ed;
  --fg-muted: #8a8a9a;
  --accent: #5ce0d8;
  --accent-dim: rgba(92, 224, 216, 0.12);
  --border: rgba(255, 255, 255, 0.06);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

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

.accent { color: var(--accent); }
.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.35rem 0.9rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

/* ---- Hero ---- */
.hero {
  min-height: 85vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  max-width: 900px;
  margin: 0 auto;
}
.hero-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 2rem;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 1.8rem;
}
.hero .lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 620px;
  line-height: 1.7;
}
.hero-line {
  width: 60px;
  height: 2px;
  background: var(--accent);
  margin-top: 3rem;
}

/* ---- Numbers ---- */
.numbers {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 4rem 2rem;
}
.numbers-grid {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.stat { text-align: center; }
.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-top: 0.4rem;
  letter-spacing: 0.03em;
}

/* ---- Features ---- */
.features {
  padding: 6rem 2rem;
  max-width: 900px;
  margin: 0 auto;
}
.features-header {
  margin-bottom: 3.5rem;
}
.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  transition: border-color 0.2s;
}
.feature-card:hover {
  border-color: rgba(92, 224, 216, 0.25);
}
.feature-card-large {
  grid-column: 1 / -1;
}
.feature-icon {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.65rem;
}
.feature-card p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ---- Philosophy ---- */
.philosophy {
  padding: 5rem 2rem;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.philosophy-inner {
  max-width: 750px;
  margin: 0 auto;
  text-align: center;
}
.philosophy blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.8vw, 1.7rem);
  font-weight: 500;
  line-height: 1.45;
  color: var(--fg);
  margin-bottom: 1.5rem;
  font-style: normal;
}
.philosophy-text {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 580px;
  margin: 0 auto;
}

/* ---- Closing ---- */
.closing {
  padding: 6rem 2rem;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}
.closing-text {
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
}
.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-brand {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: 0.05em;
}
.footer-note {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* ---- Buttons ---- */
.hero-btns {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--bg);
  background: var(--accent);
  padding: 0.85rem 1.75rem;
  border-radius: 8px;
  text-decoration: none;
  transition: opacity 0.2s;
  letter-spacing: 0.02em;
}
.btn-primary:hover { opacity: 0.88; }
.btn-ghost {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--fg);
  border: 1px solid var(--border);
  padding: 0.85rem 1.75rem;
  border-radius: 8px;
  text-decoration: none;
  transition: border-color 0.2s;
}
.btn-ghost:hover { border-color: rgba(255,255,255,0.2); }
.btn-large { font-size: 1rem; padding: 1rem 2.25rem; }
.closing-cta { margin: 2rem 0 0.75rem; }
.closing-note {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .hero { min-height: 70vh; padding: 4rem 1.5rem 3rem; }
  .numbers-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card-large { grid-column: 1; }
  .features { padding: 4rem 1.5rem; }
  .philosophy { padding: 3.5rem 1.5rem; }
  .closing { padding: 4rem 1.5rem; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.9rem; }
  .numbers-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .footer-inner { flex-direction: column; gap: 0.5rem; }
}