:root {
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Roboto', sans-serif;
  background-image:
    radial-gradient(circle at top right, rgba(8, 48, 97, 0.08), transparent 28%),
    radial-gradient(circle at bottom left, rgba(198, 77, 65, 0.08), transparent 24%);
}

.hero-section {
  background: #dae3ef;
}

.hero-carousel-track {
  position: relative;
  height: 610px;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.8s ease;
}

.hero-slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

.hero-slide-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1);
  transition: transform 6s ease;
}

.hero-slide.is-active .hero-slide-image {
  transform: scale(1.04);
}

.hero-overlay {
  background:
    linear-gradient(96deg, rgba(241, 246, 253, 0.96) 0%, rgba(236, 244, 253, 0.9) 44%, rgba(24, 82, 154, 0.12) 72%, rgba(197, 87, 74, 0.18) 100%);
}

.hero-accent {
  position: absolute;
  z-index: 12;
  pointer-events: none;
  border: 28px solid transparent;
  opacity: 0.62;
}

.hero-accent-a {
  right: 56px;
  top: 84px;
  border-left-color: rgba(38, 131, 214, 0.45);
  transform: rotate(14deg);
}

.hero-accent-b {
  right: 86px;
  bottom: 108px;
  border-left-color: rgba(7, 86, 172, 0.4);
  transform: rotate(-8deg);
}

.hero-content {
  color: #0f3f7f;
}

.hero-badge {
  background: rgba(73, 125, 191, 0.16);
  color: #305f9b;
}

.hero-title {
  color: #204884;
  text-shadow: none;
}

.hero-subtitle {
  color: #3c536f;
  text-shadow: none;
  max-width: 690px;
}

.hero-btn {
  box-shadow: 0 10px 20px rgba(11, 43, 86, 0.2);
}

.hero-btn-primary {
  background: #c85344;
}

.hero-btn-primary:hover {
  background: #a84338;
}

.hero-btn-secondary {
  background: #0c3f80;
}

.hero-btn-secondary:hover {
  background: #0a3063;
}

.hero-control {
  position: absolute;
  top: 50%;
  z-index: 30;
  transform: translateY(-50%);
  width: 62px;
  height: 62px;
  border: 0;
  border-radius: 9999px;
  cursor: pointer;
  background: rgba(38, 48, 63, 0.42);
  color: #fff;
  font-size: 34px;
  line-height: 1;
  transition: background 0.2s ease, transform 0.2s ease;
}

.hero-control:hover {
  background: rgba(38, 48, 63, 0.62);
  transform: translateY(-50%) scale(1.04);
}

.hero-control-prev {
  left: 1rem;
}

.hero-control-next {
  right: 1rem;
}

.hero-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 1.35rem;
  z-index: 30;
  display: flex;
  justify-content: center;
  gap: 0.55rem;
}

.hero-dot {
  width: 11px;
  height: 11px;
  border-radius: 9999px;
  border: 0;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.42);
  transition: transform 0.2s ease, background 0.2s ease;
}

.hero-dot.is-active {
  transform: scale(1.22);
  background: #ffffff;
}

.promo-gallery {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: 170px;
}

.promo-card {
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  border: 1px solid #dbe4ef;
  box-shadow: 0 14px 26px rgba(20, 41, 78, 0.12);
}

.promo-open {
  position: relative;
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: zoom-in;
  text-align: left;
}

.promo-open:focus-visible {
  outline: 3px solid #1d4e89;
  outline-offset: -3px;
}

.promo-card:nth-child(1),
.promo-card:nth-child(4) {
  grid-row: span 2;
}

.promo-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}

.promo-video-preview {
  background: #041024;
}

.promo-video-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.55rem;
  border-radius: 999px;
  background: rgba(4, 18, 40, 0.78);
  color: #f4f9ff;
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.promo-card:hover .promo-image {
  transform: scale(1.06);
}

.promo-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.85rem 0.9rem;
  background: linear-gradient(180deg, rgba(6, 26, 54, 0) 0%, rgba(6, 26, 54, 0.82) 92%);
}

.promo-caption p {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 600;
  color: #f7fbff;
}

body.promo-lightbox-open {
  overflow: hidden;
}

.promo-lightbox {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.promo-lightbox[hidden] {
  display: none;
}

.promo-lightbox-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(3, 15, 32, 0.86);
}

.promo-lightbox-dialog {
  position: relative;
  z-index: 1;
  width: min(1100px, 96vw);
}

.promo-lightbox-figure {
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  background: #06142b;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.45);
}

.promo-lightbox-image {
  width: 100%;
  max-height: 78vh;
  display: block;
  object-fit: contain;
  background: #041024;
}

.promo-lightbox-video {
  width: 100%;
  max-height: 78vh;
  display: block;
  object-fit: contain;
  background: #041024;
}

.promo-lightbox-caption {
  display: grid;
  gap: 0.3rem;
  padding: 1rem 1.1rem;
  color: #eef6ff;
  background: linear-gradient(180deg, rgba(7, 21, 45, 0.96) 0%, rgba(5, 16, 34, 0.96) 100%);
}

.promo-lightbox-caption strong {
  font-size: 1rem;
  line-height: 1.3;
}

.promo-lightbox-caption span {
  font-size: 0.93rem;
  color: #c9d9ea;
}

.promo-lightbox-close,
.promo-lightbox-nav {
  position: absolute;
  z-index: 2;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 9999px;
  color: #fff;
  cursor: pointer;
  background: rgba(8, 31, 66, 0.72);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.32);
  transition: transform 0.2s ease, background 0.2s ease;
}

.promo-lightbox-close:hover,
.promo-lightbox-nav:hover {
  transform: scale(1.04);
  background: rgba(11, 44, 92, 0.9);
}

.promo-lightbox-close {
  top: -0.7rem;
  right: -0.7rem;
  font-size: 1.2rem;
}

.promo-lightbox-nav {
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
}

.promo-lightbox-nav:hover {
  transform: translateY(-50%) scale(1.04);
}

.promo-lightbox-prev {
  left: -1.25rem;
}

.promo-lightbox-next {
  right: -1.25rem;
}

@media (max-width: 1280px) {
  .hero-carousel-track {
    height: 560px;
  }
}

@media (max-width: 1024px) {
  .hero-carousel-track {
    height: 500px;
  }

  .hero-title {
    font-size: 3rem;
  }

  .promo-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-rows: 190px;
  }

  .promo-lightbox-prev {
    left: -0.6rem;
  }

  .promo-lightbox-next {
    right: -0.6rem;
  }
}

@media (max-width: 768px) {
  .hero-carousel-track {
    height: 430px;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-subtitle {
    font-size: 0.95rem;
    line-height: 1.6;
  }

  .hero-control {
    width: 44px;
    height: 44px;
    font-size: 26px;
  }

  .hero-accent {
    display: none;
  }

  .promo-gallery {
    grid-template-columns: 1fr;
    grid-auto-rows: 220px;
  }

  .promo-card:nth-child(1),
  .promo-card:nth-child(4) {
    grid-row: span 1;
  }

  .promo-lightbox {
    padding: 0.7rem;
  }

  .promo-lightbox-image {
    max-height: 68vh;
  }

  .promo-lightbox-video {
    max-height: 68vh;
  }

  .promo-lightbox-close,
  .promo-lightbox-nav {
    width: 42px;
    height: 42px;
  }

  .promo-lightbox-close {
    top: -0.45rem;
    right: -0.45rem;
  }

  .promo-lightbox-prev {
    left: 0.35rem;
  }

  .promo-lightbox-next {
    right: 0.35rem;
  }

  .promo-lightbox-caption {
    padding: 0.85rem 0.95rem;
  }

  .promo-lightbox-caption strong {
    font-size: 0.95rem;
  }

  .promo-lightbox-caption span {
    font-size: 0.86rem;
  }
}