/**
 * Branding Section — премиальный минимализм
 */

.branding {
  background: var(--color-bg);
  color: var(--color-text);
  position: relative;
}

/* Мягкий переход снизу к Contact */
.branding::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: clamp(80px, 12vh, 160px);
  background: linear-gradient(
    to top,
    var(--color-deep) 0%,
    rgba(7, 7, 7, 0.5) 50%,
    transparent 100%
  );
  pointer-events: none;
  z-index: 1;
}

.branding-header {
  margin-bottom: var(--space-8);
  text-align: center;
}

.branding-header h2 {
  font-size: var(--font-size-h2);
  font-weight: var(--font-weight-black);
  letter-spacing: var(--letter-spacing-tight);
  line-height: var(--line-height-tight);
  color: var(--color-text);
  margin: 0;
}

.branding-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-gap);
  align-items: start;
}

.branding-card {
  background: var(--color-glass-bg);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(var(--blur-lg));
  -webkit-backdrop-filter: blur(var(--blur-lg));
  transition: transform var(--transition-base), background var(--transition-base), box-shadow var(--transition-base);
}

.branding-card:hover {
  transform: translateY(-4px);
  background: var(--color-glass-bg-strong);
  box-shadow: var(--shadow-2xl);
}

.branding-card h3 {
  margin: 0 0 var(--space-4);
  font-size: var(--font-size-h4);
  font-weight: var(--font-weight-black);
  letter-spacing: var(--letter-spacing-tight);
  line-height: var(--line-height-tight);
  color: var(--color-text);
}

.branding-card p {
  margin: 0;
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-muted-strong);
}

/* Reveal animation */
.branding .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--animation-duration-slow) var(--animation-easing),
    transform var(--animation-duration-slow) var(--animation-easing);
}

.branding .reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger для карточек */
.branding .branding-card:nth-child(1).reveal {
  transition-delay: 0.1s;
}

.branding .branding-card:nth-child(2).reveal {
  transition-delay: 0.2s;
}

.branding .branding-card:nth-child(3).reveal {
  transition-delay: 0.3s;
}

/* Mobile optimizations */
@media (max-width: 980px) {
  .branding-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-gap-sm);
  }
}

@media (max-width: 720px) {
  .branding-grid {
    grid-template-columns: 1fr;
    gap: var(--space-gap-sm);
  }

  .branding-header {
    margin-bottom: var(--space-6);
  }

  .branding-header h2 {
    font-size: var(--font-size-h3);
  }

  .branding-card {
    padding: var(--space-5);
  }

  .branding-card h3 {
    font-size: var(--font-size-h5);
    margin-bottom: var(--space-3);
  }

  .branding-card p {
    font-size: var(--font-size-sm);
  }
}

@media (max-width: 430px) {
  .branding {
    padding: var(--space-section-sm) 0;
  }

  .branding-card {
    padding: var(--space-4);
  }

  .branding-card h3 {
    font-size: clamp(18px, 5vw, 22px);
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .branding .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .branding-card {
    transition: none;
  }
}