/**
 * Lverra Athirappilly — Luxury Resort Master Stylesheet
 * Brand System: #183B2B Forest, #10291F Evergreen, #F7F4ED Ivory, #87977E Sage, #E8E0D2 Sand, #B99A62 Muted Gold, #242923 Charcoal
 * Typography: Lora (Headings), Source Sans 3 (Body)
 */

:root {
  --color-forest: #183B2B;
  --color-forest-deep: #10291F;
  --color-forest-surface: #1D4533;
  --color-evergreen: #10291F;
  --color-ivory: #F7F4ED;
  --color-ivory-light: #FAF9F5;
  --color-ivory-border: #E8E2D5;
  --color-sand: #E8E0D2;
  --color-sage: #87977E;
  --color-gold: #B99A62;
  --color-gold-light: #D4BA85;
  --color-gold-dark: #967946;
  --color-charcoal: #242923;
  --color-charcoal-muted: #5B635F;

  --font-heading: 'Lora', Georgia, 'Times New Roman', serif;
  --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --ease-luxury: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.25, 0.1, 0.25, 1);
}

/* Base Styles */
html {
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--color-ivory-light);
  color: var(--color-charcoal);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
}

::selection {
  background-color: var(--color-gold);
  color: var(--color-evergreen);
}

h1, h2, h3, h4, .font-heading {
  font-family: var(--font-heading);
  letter-spacing: -0.015em;
  line-height: 1.22;
}

/* Luxury Header Navigation */
.header-glass {
  background-color: rgba(16, 41, 31, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background-color 0.4s var(--ease-luxury), padding 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.header-scrolled {
  background-color: rgba(16, 41, 31, 0.98);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
  border-bottom-color: rgba(185, 154, 98, 0.2);
  padding-top: 0.75rem !important;
  padding-bottom: 0.75rem !important;
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 0.35rem 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  transition: color 0.25s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 1.5px;
  background-color: var(--color-gold);
  transition: width 0.3s var(--ease-luxury);
}

.nav-link:hover {
  color: var(--color-gold);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: var(--color-gold-light);
  font-weight: 600;
}

/* Primary Luxury Buttons */
.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-gold);
  color: var(--color-evergreen);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.65rem 1.4rem;
  border-radius: 2px;
  border: 1px solid var(--color-gold);
  transition: all 0.3s var(--ease-luxury);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.btn-gold:hover {
  background-color: var(--color-gold-light);
  border-color: var(--color-gold-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(185, 154, 98, 0.25);
}

.btn-gold:active {
  transform: translateY(0);
}

.btn-outline-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: transparent;
  color: var(--color-gold);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.65rem 1.4rem;
  border-radius: 2px;
  border: 1px solid var(--color-gold);
  transition: all 0.3s var(--ease-luxury);
}

.btn-outline-gold:hover {
  background-color: var(--color-gold);
  color: var(--color-evergreen);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(185, 154, 98, 0.2);
}

.btn-forest {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-forest);
  color: var(--color-ivory);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.75rem 1.6rem;
  border-radius: 2px;
  border: 1px solid var(--color-forest);
  transition: all 0.3s var(--ease-luxury);
}

.btn-forest:hover {
  background-color: var(--color-forest-deep);
  border-color: var(--color-forest-deep);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(16, 41, 31, 0.2);
}

/* Image Zoom Hover & Containment */
.img-zoom-container {
  overflow: hidden;
  position: relative;
}

.img-zoom-container img {
  transition: transform 0.8s var(--ease-luxury);
  will-change: transform;
}

.img-zoom-container:hover img {
  transform: scale(1.04);
}

/* Scroll Animation System (Intersection Observer Triggered) */
.reveal {
  opacity: 0;
  transition: opacity 0.85s var(--ease-luxury), transform 0.85s var(--ease-luxury);
  will-change: opacity, transform;
}

.reveal-up {
  transform: translateY(28px);
}

.reveal-scale {
  transform: scale(0.97);
}

.reveal-fade {
  transform: none;
}

.reveal.is-revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Stagger Delays */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }

/* Horizontal Destination Carousel */
.destination-carousel-track {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 1rem;
}

.destination-carousel-track::-webkit-scrollbar {
  display: none;
}

.destination-carousel-card {
  flex: 0 0 calc(85% - 0.75rem);
  scroll-snap-align: start;
}

@media (min-width: 640px) {
  .destination-carousel-card {
    flex: 0 0 calc(50% - 0.75rem);
  }
}

@media (min-width: 1024px) {
  .destination-carousel-card {
    flex: 0 0 calc(25% - 1.125rem);
  }
}

/* Carousel Arrow Buttons */
.carousel-nav-btn {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(16, 41, 31, 0.15);
  background-color: #FFFFFF;
  color: var(--color-forest);
  transition: all 0.25s ease;
}

.carousel-nav-btn:hover:not(:disabled) {
  background-color: var(--color-forest);
  color: #FFFFFF;
  border-color: var(--color-forest);
}

.carousel-nav-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* Custom Video Player Controls Bar */
.video-wrapper {
  position: relative;
  background-color: #000;
  overflow: hidden;
}

.video-overlay-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-color: rgba(16, 41, 31, 0.75);
  backdrop-filter: blur(8px);
  border: 1.5px solid rgba(185, 154, 98, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  cursor: pointer;
  transition: all 0.35s var(--ease-luxury);
  z-index: 10;
}

.video-overlay-play-btn:hover {
  transform: translate(-50%, -50%) scale(1.08);
  background-color: rgba(16, 41, 31, 0.95);
  box-shadow: 0 0 30px rgba(185, 154, 98, 0.4);
}

.video-controls-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.4) 60%, transparent 100%);
  padding: 1.5rem 1.5rem 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 15;
}

.video-wrapper:hover .video-controls-bar,
.video-wrapper.is-playing:hover .video-controls-bar {
  opacity: 1;
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  background-color: rgba(10, 26, 19, 0.95);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--ease-luxury);
  padding: 1.5rem;
}

.lightbox-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-content {
  position: relative;
  max-width: 95vw;
  max-height: 90vh;
  transform: scale(0.96);
  transition: transform 0.35s var(--ease-luxury);
}

.lightbox-modal.is-open .lightbox-content {
  transform: scale(1);
}

.lightbox-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.2s ease;
  z-index: 110;
}

.lightbox-close-btn:hover {
  background-color: var(--color-gold);
  color: var(--color-evergreen);
  border-color: var(--color-gold);
}

/* Form Styles */
.form-input {
  width: 100%;
  background-color: #FFFFFF;
  border: 1px solid var(--color-ivory-border);
  color: var(--color-charcoal);
  padding: 0.75rem 1rem;
  font-size: 0.925rem;
  border-radius: 2px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(185, 154, 98, 0.15);
}

.form-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-charcoal);
  margin-bottom: 0.4rem;
}

/* Breadcrumbs */
.breadcrumb-item {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumb-item a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s ease;
}

.breadcrumb-item a:hover {
  color: var(--color-gold);
}

.breadcrumb-separator {
  margin: 0 0.5rem;
  color: rgba(255, 255, 255, 0.35);
}

section[id] {
  scroll-margin-top: 84px;
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .img-zoom-container img {
    transition: none !important;
    transform: none !important;
  }
  .btn-gold, .btn-outline-gold, .btn-forest {
    transition: none !important;
    transform: none !important;
  }
}