/* ==========================================================================
   section-1-hero.css — Hero slider (Figma node 1134:26)
   Full-bleed ảnh tối, nội dung căn giữa, điều khiển slider tùy biến.
   ========================================================================== */

.hero {
  position: relative;
  min-height: clamp(640px, 100vh, 940px);
  background-color: var(--dsh-navy);
  overflow: hidden;
}

.hero .carousel-inner,
.hero .carousel-item { height: 100%; }

.hero .carousel-item {
  min-height: clamp(640px, 100vh, 940px);
}

/* Ảnh nền + lớp phủ tối cho chữ dễ đọc */
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 15, 29, .55) 0%, rgba(8, 15, 29, .35) 45%, rgba(8, 15, 29, .75) 100%);
}

/* Nội dung căn giữa */
.hero-content {
  position: relative;
  z-index: 2;
  min-height: clamp(640px, 100vh, 940px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-block: 120px 140px;
}

.hero-logo {
  height: clamp(96px, 12vw, 168px);
  width: auto;
  margin-bottom: var(--space-5);
}

.hero-title {
  color: #ffffff;
  font-weight: 700;
  font-size: clamp(2.5rem, 7vw, 6rem);
  line-height: 1.06;
  letter-spacing: -.01em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
  text-shadow: 0 2px 30px rgba(0, 0, 0, .35);
}

.hero-subtitle {
  color: rgba(255, 255, 255, .92);
  font-size: clamp(1.05rem, 1.6vw, 1.5rem);
  line-height: 1.4;
  max-width: 800px;
  margin-inline: auto;
  margin-bottom: var(--space-6);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.hero-actions .btn { border-radius: 8px; }

.hero-actions .btn-discover {
  --bs-btn-padding-x: 41px;
  --bs-btn-padding-y: 17px;
  font-size: .875rem;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.hero-actions .btn-discover .btn-arrow { width: 14px; height: 14px; }

/* Nút phụ nền tối */
.hero-actions .btn-dark-solid {
  --bs-btn-color: #ffffff;
  --bs-btn-bg: #000000;
  --bs-btn-border-color: #000000;
  --bs-btn-hover-color: #ffffff;
  --bs-btn-hover-bg: #1a1a1a;
  --bs-btn-hover-border-color: #1a1a1a;
  --bs-btn-padding-x: 40px;
  --bs-btn-padding-y: 16px;
  font-size: .875rem;
  font-weight: 500;
}

/* -------- Điều khiển slider (dưới) -------- */
.hero-controls {
  position: absolute;
  z-index: 3;
  left: 0;
  right: 0;
  bottom: clamp(24px, 5vh, 56px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.hero-progress {
  display: flex;
  align-items: center;
  gap: 16px;
}

.hero-counter {
  color: rgba(255, 255, 255, .65);
  font-size: .6875rem;
  font-weight: 500;
  letter-spacing: .04em;
}

.hero-dashes {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 0;
  margin: 0;
  border: 0;
}

.hero-dashes .dash {
  height: 2px;
  width: 12px;
  padding: 0;
  border: 0;
  background-color: rgba(255, 255, 255, .45);
  transition: width var(--transition-base), background-color var(--transition-base);
}

.hero-dashes .dash.active {
  width: 40px;
  background-color: var(--dsh-red);
}

.hero-nav {
  display: flex;
  gap: 8px;
}

.hero-nav .nav-btn {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .35);
  color: #fff;
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

.hero-nav .nav-btn:hover {
  background-color: var(--dsh-red);
  border-color: var(--dsh-red);
}

.hero-nav .nav-btn img { width: 16px; height: 16px; }

@media (max-width: 575.98px) {
  .hero-controls { flex-direction: column; align-items: flex-start; gap: var(--space-3); }
}