:root {
  --bg: #ffffff;
  --fg: #1d1d1f;
  --fg-muted: #86868b;
  --accent: #1d1d1f;
  --accent-soft: #f5f5f7;
  --surface: #f5f5f7;
  --surface-border: #d2d2d7;
  --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);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== HERO ===== */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 3rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 70vw;
  height: 70vw;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  max-width: 900px;
  position: relative;
  z-index: 1;
}

.hero-label {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

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

.hero-lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.hero-cta {
  margin-bottom: 1.5rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.01em;
  color: var(--bg);
  background: var(--accent);
  padding: 0.7rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 16px rgba(232, 93, 38, 0.3);
}

.btn-primary:hover {
  background: #f06a30;
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(232, 93, 38, 0.45);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--surface-border);
  border-radius: 100px;
  font-size: 0.8rem;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--fg-muted);
  letter-spacing: 0.02em;
}

.hero-line {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--accent) 0%, transparent 60%);
}

/* ===== CAPABILITIES ===== */
.capabilities {
  padding: 6rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.cap-header {
  display: flex;
  align-items: baseline;
  gap: 1.2rem;
  margin-bottom: 3.5rem;
}

.section-num {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}

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

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

.cap-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: 12px;
  padding: 2rem;
  transition: border-color 0.3s ease;
}

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

.cap-icon {
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.cap-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.cap-card p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ===== METRICS ===== */
.metrics {
  padding: 5rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
  border-top: 1px solid var(--surface-border);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.metric-block {
  padding: 2rem 0;
}

.metric-label {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.metric-value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 0.75rem;
}

.metric-desc {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
  max-width: 280px;
}

/* ===== CLOSING ===== */
.closing {
  padding: 8rem 2rem;
  text-align: center;
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50vw;
  height: 50vw;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 70%);
  pointer-events: none;
}

.closing-inner {
  position: relative;
  z-index: 1;
}

.closing-pre {
  font-size: 1.1rem;
  color: var(--fg-muted);
  font-style: italic;
  margin-bottom: 1rem;
}

.closing-statement {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

/* ===== FOOTER ===== */
.footer {
  padding: 2.5rem 2rem;
  border-top: 1px solid var(--surface-border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--fg-muted);
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--fg);
}

.footer-divider {
  opacity: 0.3;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    min-height: 80vh;
    padding: 2rem 1.5rem 3rem;
  }

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

  .metrics-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .metric-block {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--surface-border);
  }

  .metric-block:last-child {
    border-bottom: none;
  }

  .capabilities,
  .metrics {
    padding: 4rem 1.5rem;
  }

  .closing {
    padding: 5rem 1.5rem;
  }
}

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

  .hero-lede {
    font-size: 1rem;
  }

  .tag {
    font-size: 0.75rem;
    padding: 0.25rem 0.65rem;
  }
}