/* === Section layouts === */
.section {
  position: relative;
  padding: var(--space-24) 0;
  overflow: hidden;
}

.section--sm {
  padding: var(--space-16) 0;
}

.section--lg {
  padding: var(--space-32) 0;
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section__header .section-subtitle {
  margin: var(--space-4) auto 0;
}

/* Grid utilities */
.grid {
  display: grid;
  gap: var(--space-6);
}

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

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid--2-1 {
  grid-template-columns: 2fr 1fr;
}

.grid--1-2 {
  grid-template-columns: 1fr 2fr;
}

/* Flex utilities */
.flex {
  display: flex;
}

.flex--col {
  flex-direction: column;
}

.flex--center {
  align-items: center;
  justify-content: center;
}

.flex--between {
  justify-content: space-between;
}

.flex--wrap {
  flex-wrap: wrap;
}

.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.gap-12 { gap: var(--space-12); }

/* Feature row: alternating text+image */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  padding: var(--space-16) 0;
}

.feature-row:nth-child(even) .feature-row__content {
  order: 2;
}

.feature-row:nth-child(even) .feature-row__visual {
  order: 1;
}

.feature-row__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.feature-row__visual {
  display: flex;
  justify-content: center;
  position: relative;
}

.feature-row__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2);
}

.feature-row__title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
}

.feature-row__desc {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

.feature-row__bullets {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.feature-row__bullet {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
}

.feature-row__bullet-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-cyan);
  margin-top: 8px;
  flex-shrink: 0;
}

/* Stats row */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  padding: var(--space-12) var(--space-8);
  border-radius: var(--radius-2xl);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* CTA section */
.cta-section {
  text-align: center;
  padding: var(--space-20) var(--space-8);
  position: relative;
}

.cta-section__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(77, 208, 225, 0.1), transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

/* === Responsive === */
@media (max-width: 1024px) {
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-row {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    text-align: center;
  }

  .feature-row:nth-child(even) .feature-row__content {
    order: 1;
  }

  .feature-row:nth-child(even) .feature-row__visual {
    order: 2;
  }

  .feature-row__content {
    align-items: center;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .section {
    padding: var(--space-16) 0;
  }

  .section--lg {
    padding: var(--space-20) 0;
  }

  .grid--2 {
    grid-template-columns: 1fr;
  }

  .grid--3 {
    grid-template-columns: 1fr;
  }

  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
    padding: var(--space-8) var(--space-6);
  }

  .feature-row {
    padding: var(--space-10) 0;
  }
}