.section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.section-header__title {
  margin: 0 0 var(--space-2xs);
  font-size: var(--font-size-3xl);
  font-weight: 700;
}

.section-header__lead {
  margin: 0;
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.6;
}

.section-stack {
  display: grid;
  gap: var(--space-lg);
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-xl);
  align-items: center;
}

.three-col {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-lg);
}

.four-col {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-lg);
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--surface-hero);
  color: var(--text-strong);
  isolation: isolate;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 30%, rgba(0, 199, 177, 0.14), transparent 32%),
    radial-gradient(circle at 70% 20%, rgba(79, 168, 255, 0.18), transparent 34%);
  opacity: 0.9;
  z-index: 0;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2xl);
  align-items: center;
}

.hero-content {
  padding: var(--space-4xl) 0;
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.06);
  color: var(--accent-teal-500);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.hero-badge .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-teal-500);
  display: inline-flex;
}

.hero-title {
  font-size: var(--font-size-4xl);
  margin: 0 0 var(--space-sm);
  font-weight: 700;
}

.hero-title .highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  margin: 0 0 var(--space-lg);
  color: var(--text-muted);
  font-size: var(--font-size-lg);
  max-width: 680px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

@media (max-width: 1024px) {
  .two-col {
    grid-template-columns: 1fr;
  }

  .three-col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .hero-content {
    padding: var(--space-3xl) 0 var(--space-2xl);
  }
}

@media (max-width: 768px) {
  .three-col {
    grid-template-columns: 1fr;
  }

  .four-col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-header {
    flex-direction: column;
  }

  .section-header__title {
    font-size: var(--font-size-2xl);
  }

  .hero-title {
    font-size: 34px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
}