/* ═══════════════════════════════════════════════════════════════
   Home Page — MC Виан B2B Portal
   ═══════════════════════════════════════════════════════════════ */

/* ── Hero Carousel ──────────────────────────────────────────── */
.hero-carousel {
  position: relative;
  overflow: hidden;
  min-height: 420px;
}

.hero-carousel .carousel__track {
  position: relative;
  min-height: 420px;
}

.hero-carousel .carousel__slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  transition: opacity 0.6s ease;
  color: #fff;
}

.hero-carousel .carousel__slide.is-active {
  opacity: 1;
  z-index: 1;
}

.carousel__content {
  max-width: 600px;
  padding: var(--space-3xl) 0;
}

.carousel__title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: var(--space-md);
  color: #fff;
}

.carousel__subtitle {
  font-size: 1.25rem;
  color: #fff;
  margin-bottom: var(--space-xl);
  line-height: 1.5;
}

.carousel__prev,
.carousel__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
  border: none;
  color: #fff;
  font-size: 1.25rem;
  cursor: pointer;
  opacity: 1;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.carousel__prev:hover,
.carousel__next:hover {
  background: rgba(255,255,255,0.45);
  transform: translateY(-50%) scale(1.1);
}

.carousel__prev { left: var(--space-lg); }
.carousel__next { right: var(--space-lg); }

.carousel__dots {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  gap: 8px;
}

.carousel__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  padding: 0;
}

.carousel__dot.is-active {
  background: #fff;
  transform: scale(1.2);
}

/* ── Quick Start ────────────────────────────────────────────── */
.quick-start__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-lg);
}

.card-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-xl);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: var(--color-text);
  position: relative;
  transition: var(--transition);
}

.card-action:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  background: var(--color-primary-light);
}

.card-action__icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-primary);
  transition: var(--transition);
}

.card-action:hover .card-action__icon {
  background: var(--color-primary);
  color: #fff;
}

.card-action__label {
  font-size: 0.875rem;
  font-weight: 500;
  text-align: center;
}

.card-action__hint {
  font-size: 0.75rem;
  color: var(--color-primary);
  font-weight: 600;
  background: var(--color-primary-light);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  line-height: 1.4;
}

.card-action__lock {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* ── Categories Grid ────────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
}

.section-header .section-title {
  margin-bottom: 0;
}

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

.card-category {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  display: block;
  text-decoration: none;
}

.card-category__img-wrap {
  width: 100%;
  height: 100%;
}

.card-category__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.card-category:hover img {
  transform: scale(1.05);
}

.card-category__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.1) 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-lg);
  transition: var(--transition);
}

.card-category:hover .card-category__overlay {
  background: linear-gradient(to top, rgba(0,126,255,0.7) 0%, rgba(0,126,255,0.2) 60%);
}

.card-category__name {
  color: #fff;
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0;
}

.card-category__count {
  color: rgba(255,255,255,0.8);
  font-size: 0.875rem;
  margin-top: 4px;
}

/* ── Advantages ─────────────────────────────────────────────── */
.advantages-section {
  background: var(--color-surface);
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.advantage-card {
  text-align: center;
  padding: var(--space-xl);
}

.advantage-card__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: var(--color-primary);
  margin: 0 auto var(--space-md);
}

.advantage-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.advantage-card__text {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* ── Products Grid ──────────────────────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

/* ── CTA Banner ─────────────────────────────────────────────── */
.cta-banner {
  background: linear-gradient(180deg, var(--color-primary) 0%, #1a3f6f 40%, #132a4a 65%, #0f1f35 80%, #0B1220 100%);
  padding: var(--space-3xl) 0 0;
  text-align: center;
  color: #fff;
  margin-bottom: 0;
}

.cta-banner__inner {
  padding-bottom: 100px;
}

.cta-banner__title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: #fff;
}

.cta-banner__text {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: var(--space-xl);
}

.mt-lg {
  margin-top: var(--space-xl);
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1279px) {
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1023px) {
  .hero-carousel { min-height: 340px; }
  .hero-carousel .carousel__track { min-height: 340px; }
  .carousel__title { font-size: 2rem; }
  .quick-start__grid { grid-template-columns: repeat(3, 1fr); }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 767px) {
  .hero-carousel { min-height: 280px; }
  .hero-carousel .carousel__track { min-height: 280px; }
  .carousel__title { font-size: 1.5rem; }
  .carousel__subtitle { font-size: 0.9375rem; }
  .carousel__prev, .carousel__next { display: none; }
  .quick-start__grid { grid-template-columns: repeat(2, 1fr); }
  .categories-grid { grid-template-columns: 1fr; }
  .advantages-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-banner__title { font-size: 1.5rem; }
  .section-header { flex-direction: column; gap: var(--space-md); align-items: flex-start; }
}