/* =========================================================
   WORLD-CLASS ITINERARY UI – ENTERPRISE TRAVEL STANDARD
   Drop-in replacement | HTML & JS compatible
========================================================= */

/* ------------------ DESIGN SYSTEM ------------------ */
:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --accent: #0284c7;
  --accent-700: #0369a1;
  --success: #22c55e;
  --danger: #ef4444;

  --radius-sm: 10px;
  --radius: 14px;
  --radius-lg: 20px;

  --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 25px 60px rgba(15, 23, 42, 0.12);

  --container-max: 1200px;
  --gap: 1.5rem;
  --transition: 220ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* ------------------ GLOBAL ------------------ */
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Poppins", system-ui, sans-serif;
}

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding: clamp(1rem, 3vw, 1.75rem);
}

h1,
h2,
h3 {
  font-weight: 700;
  letter-spacing: -0.015em;
}

p,
li {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ------------------ HERO ------------------ */
.itinerary-hero {
  position: relative;
  min-height: 420px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-lg);
}

.itinerary-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(2, 6, 23, 0.25),
    rgba(2, 6, 23, 0.7)
  );
}

.itinerary-hero .hero-overlay {
  position: relative;
  z-index: 2;
  padding: clamp(1.5rem, 5vw, 3.5rem);
  color: #fff;
  max-width: 900px;
}

.itinerary-hero h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  margin-bottom: 0.6rem;
}

.itinerary-hero .subtitle {
  font-size: 1.05rem;
  opacity: 0.95;
  margin-bottom: 1.25rem;
}

.itinerary-hero .price {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(10px);
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
}

/* ------------------ HIGHLIGHTS ------------------ */
.itinerary-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-block: 2rem;
}

.highlight-card {
  background: var(--surface);
  border-radius: 999px;
  padding: 0.9rem 1.25rem;
  text-align: center;
  font-weight: 600;
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

/* ------------------ GALLERY ------------------ */
.itinerary-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.itinerary-gallery img {
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}

.itinerary-gallery img:hover {
  transform: scale(1.03);
}

/* ------------------ ITINERARY DETAILS ------------------ */
.itinerary-details h2 {
  font-size: 1.9rem;
  margin-bottom: 1.5rem;
}

.itinerary-details details {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
  border-left: 5px solid var(--accent);
}

.itinerary-details summary {
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
}

.itinerary-details details p {
  margin-top: 0.85rem;
}

/* ------------------ INCLUSION / EXCLUSION ------------------ */
.inclusion-exclusion {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin: 3rem 0;
}

.box {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}

.box h3 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.box ul {
  list-style: none;
  padding: 0;
}

.box li {
  padding-left: 1.8rem;
  position: relative;
  margin-bottom: 0.75rem;
}

.box li::before {
  content: "✔";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

/* ------------------ RELATED ITINERARIES ------------------ */
.related-itineraries h2 {
  text-align: center;
  font-size: 1.7rem;
  margin-bottom: 2rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.related-card {
  padding: 1.25rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-700));
  color: #fff;
  border-radius: var(--radius);
  text-align: center;
  font-weight: 600;
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}

.related-card:hover {
  transform: translateY(-6px);
}

/* ------------------ MODAL ------------------ */
.package-form-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.55);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1200;
}

.package-form-overlay.open {
  display: flex;
}

.package-form-box {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  max-width: 560px;
  width: 100%;
  box-shadow: var(--shadow-lg);
}

/* ------------------ RESPONSIVE ------------------ */
@media (max-width: 1024px) {
  .itinerary-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .inclusion-exclusion {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 600px) {
  .itinerary-hero {
    min-height: 260px;
  }

  .itinerary-hero h1 {
    font-size: 1.45rem;
  }

  .itinerary-gallery {
    grid-template-columns: 1fr;
  }
}