/* RESET */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: #f5f7fb;
  color: #111827;
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: #2563eb;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  box-shadow: 0 6px 12px rgba(15, 23, 42, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 700;
  font-size: 0.9rem;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-main {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.logo-sub {
  font-size: 0.75rem;
  color: #6b7280;
}

.main-nav {
  display: flex;
  gap: 1.4rem;
  font-size: 0.9rem;
}

.main-nav a {
  color: #111827;
  font-weight: 500;
}

.main-nav a:hover {
  color: #2563eb;
}

/* BUTTONS */
.btn {
  display: inline-block;
  padding: 0.7rem 1.6rem;
  border-radius: 999px;
  border: 2px solid transparent;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}

.btn.primary {
  background-color: #2563eb;
  border-color: #2563eb;
  color: #ffffff;
}

.btn.primary:hover {
  background-color: #1d4ed8;
  border-color: #1d4ed8;
}

.btn.ghost {
  background-color: transparent;
  border-color: #e5e7eb;
  color: #111827;
}

.btn.ghost:hover {
  border-color: #2563eb;
}

/* HERO */
.hero {
  position: relative;
  background: url("../images/t1.png") center center / cover no-repeat;
  min-height: 78vh;
  color: #ffffff;
}

.hero-overlay {
  background: linear-gradient(
    to bottom,
    rgba(15, 23, 42, 0.65),
    rgba(15, 23, 42, 0.8)
  );
  min-height: inherit;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 3.2fr) minmax(0, 2.2fr);
  gap: 2.5rem;
  align-items: center;
  padding: 4.2rem 0 3.2rem;
}

.hero-text-block {
  max-width: 480px;
}

.hero-tagline {
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.85rem;
  color: #dbeafe;
  margin: 0 0 0.4rem;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: 2.6rem;
  line-height: 1.2;
}

.hero h1 span {
  color: #93c5fd;
}

.hero-summary {
  margin: 0 0 1.7rem;
  color: #e0ecff;
  font-size: 0.98rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

/* HERO PORTRAIT SLIDESHOW */
.hero-portrait {
  display: flex;
  justify-content: flex-end;
}

.portrait-stack {
  position: relative;
  width: 100%;
  max-width: 340px;
  aspect-ratio: 3 / 4;
  border-radius: 1.6rem;
  padding: 4px;
  background: linear-gradient(135deg, #e5e7eb, #60a5fa);
  box-shadow: 0 26px 60px rgba(15, 23, 42, 0.7);
}

.portrait-slide {
  position: absolute;
  inset: 4px;
  width: calc(100% - 8px);
  height: calc(100% - 8px);
  object-fit: cover;
  border-radius: 1.4rem;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
}

.portrait-slide.active {
  opacity: 1;
}

/* SECTIONS */
.section {
  padding: 3.5rem 0;
}

.section h2 {
  margin: 0 0 0.6rem;
  font-size: 2rem;
}

.section-lead {
  margin: 0 0 1.8rem;
  color: #4b5563;
  max-width: 640px;
}

/* DESTINATIONS */
.destinations {
  background-color: #ffffff;
}

.destination-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.7rem;
}

.destination-card {
  background-color: #ffffff;
  border-radius: 1.2rem;
  overflow: hidden;
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.07);
  border: 1px solid #e5e7eb;
  display: flex;
  flex-direction: column;
}

.dest-image-wrap {
  height: 220px;
  overflow: hidden;
}

.dest-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.dest-content {
  padding: 1.2rem 1.3rem 1.3rem;
}

.dest-content h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.dest-content p {
  margin: 0 0 0.7rem;
  font-size: 0.93rem;
  color: #4b5563;
}

.dest-tag {
  display: inline-block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #2563eb;
}

/* GALLERY */
.gallery {
  background-color: #f9fafb;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
}

.photo-item {
  background-color: #ffffff;
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid #e5e7eb;
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.06);
}

.photo-item img {
  height: 160px;
  object-fit: cover;
}

.photo-item figcaption {
  padding: 0.6rem 0.8rem 0.75rem;
  font-size: 0.85rem;
  color: #4b5563;
}

/* ABOUT */
.about {
  background-color: #ffffff;
}

/* VIDEOS */
.videos {
  background-color: #ffffff;
}

.featured-video {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 1.7rem;
  align-items: center;
  margin-bottom: 2.4rem;
}

.video-frame {
  position: relative;
  padding-top: 56.25%;
  border-radius: 1rem;
  overflow: hidden;
  background-color: #000000;
}

.video-frame video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.featured-copy h3 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
}

.featured-copy p {
  margin: 0;
  color: #4b5563;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
}

.video-card {
  background-color: #f9fafb;
  border-radius: 0.95rem;
  padding: 0.9rem;
  border: 1px solid #e5e7eb;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.04);
}

.video-card h4 {
  margin: 0.7rem 0 0.25rem;
  font-size: 0.95rem;
}

.video-card p {
  margin: 0;
  font-size: 0.85rem;
  color: #4b5563;
}

/* FOOTER */
.site-footer {
  background-color: #ffffff;
  border-top: 1px solid #e5e7eb;
  text-align: center;
  padding: 1.1rem 0;
  font-size: 0.82rem;
  color: #6b7280;
}

/* RESPONSIVE */
@media (max-width: 980px) {
  .hero-inner,
  .destination-cards,
  .photo-grid,
  .featured-video,
  .video-grid {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    text-align: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-portrait {
    justify-content: center;
  }
}

@media (max-width: 720px) {
  .main-nav {
    display: none; /* simple mobile for class */
  }

  .photo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .video-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 520px) {
  .video-grid {
    grid-template-columns: 1fr;
  }
}