/* ============================================
   ETC AdBlue — Hero Sections
   Full-width hero, inner page hero, overlays
   ============================================ */

/* ═══════════════════════════════════════
   MAIN HERO (Home Page)
   ═══════════════════════════════════════ */

.hero {
  position: relative;
  width: 100%;
  aspect-ratio: 1920 / 1080;
  min-height: 600px;
  display: flex;
  align-items: flex-start;
  overflow: hidden;
  background-color: var(--color-navy);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

@keyframes kenBurns {
  0% {
    transform: scale(1.08);
  }
  100% {
    transform: scale(1.15);
  }
}

.hero__bg img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
  animation: kenBurns 20s infinite alternate ease-in-out;
  transform-origin: center center;
}

.hero__bg img.is-active {
  opacity: 1;
}

/* Multi-layer overlay for depth - SOFTER VERSION */
.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    135deg,
    rgba(10, 22, 40, 0.6) 0%,
    rgba(10, 22, 40, 0.4) 50%,
    rgba(0, 180, 216, 0.15) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-top: calc(var(--header-height) + 8vw);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-12);
  align-items: center;
}

.hero__left {
  max-width: 720px;
}

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

.hero-feature-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  color: var(--color-white);
  transition: var(--transition-all);
  cursor: default;
}

.hero-feature-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(-8px);
  border-color: rgba(255, 255, 255, 0.2);
}

.hero-feature-card__icon {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.hero-feature-card__text {
  font-size: var(--fs-base);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wide);
}

@media (max-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .hero__right {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .hero-feature-card {
    flex: 1 1 calc(33.333% - var(--space-4));
    min-width: 200px;
  }
  .hero-feature-card:hover {
    transform: translateY(-4px);
  }
}

@media (max-width: 768px) {
  .hero-feature-card {
    flex: 1 1 100%;
  }
}

.hero__overline {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--ls-widest);
  color: var(--color-white);
  margin-bottom: var(--space-5);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.hero__overline svg {
  width: 14px;
  height: 14px;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: var(--fs-6xl);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  color: var(--color-white);
  margin-bottom: var(--space-6);
  letter-spacing: var(--ls-tight);
}

.hero__title span {
  color: var(--color-accent);
}

.hero__description {
  font-size: var(--fs-lg);
  line-height: var(--lh-relaxed);
  color: var(--color-gray-300);
  margin-bottom: var(--space-8);
  max-width: 560px;
}

.hero__subtitle {
  font-size: var(--fs-lg);
  line-height: var(--lh-relaxed);
  color: var(--color-white);
  margin-bottom: var(--space-8);
  max-width: 560px;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ── Hero Stats Bar ── */
.hero__stats {
  position: absolute;
  bottom: 60px;
  right: var(--container-padding);
  z-index: 2;
  display: flex;
  gap: var(--space-10);
}

.hero__stat {
  text-align: center;
}

.hero__stat-number {
  font-family: var(--font-heading);
  font-size: var(--fs-3xl);
  font-weight: var(--fw-bold);
  color: var(--color-white);
  line-height: 1;
}

.hero__stat-label {
  font-size: var(--fs-xs);
  color: var(--color-gray-400);
  text-transform: uppercase;
  letter-spacing: var(--ls-wider);
  margin-top: var(--space-1);
}


/* ═══════════════════════════════════════
   INNER PAGE HERO (Compact)
   ═══════════════════════════════════════ */

.hero--compact {
  min-height: 360px;
  max-height: 400px;
}

.hero--compact .hero__overlay {
  background: linear-gradient(
    135deg,
    rgba(10, 22, 40, 0.7) 0%,
    rgba(10, 22, 40, 0.5) 60%,
    rgba(0, 82, 204, 0.2) 100%
  );
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}

.hero--compact .hero__content {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: var(--space-10);
  padding-top: calc(var(--header-height) + var(--space-10));
  max-width: none;
}

.hero--compact .hero__title {
  font-size: var(--fs-4xl);
  margin-bottom: var(--space-3);
}

.hero--compact .hero__description {
  font-size: var(--fs-base);
  margin-bottom: 0;
}

/* ═══════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════ */

@media (max-width: 1024px) {
  .hero__title {
    font-size: var(--fs-5xl);
  }

  .hero__stats {
    display: none;
  }
}

@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: calc(var(--header-height) + 56px) 0 92px;
    align-items: flex-end;
  }

  .hero__content {
    padding-top: 0;
  }

  .hero__grid {
    gap: var(--space-6);
  }

  .hero__subtitle br,
  .hero__title br {
    display: none;
  }

  .hero__title {
    font-size: var(--fs-3xl);
  }

  .hero__description {
    font-size: var(--fs-base);
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
    min-height: 48px;
  }


  .hero--compact {
    min-height: 280px;
  }

  .hero--compact .hero__title {
    font-size: var(--fs-2xl);
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: var(--fs-2xl);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__bg img {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
}