/* ============================================
   Blue Season Camiguin — Main Stylesheet
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --color-bg-deep:    #0a1628;
  --color-bg-dark:    #0c2340;
  --color-bg-card:    rgba(12, 35, 64, 0.6);
  --color-primary:    #13a4c5;
  --color-accent:     #5ce1e6;
  --color-gold:       #e8c170;
  --color-text:       #c8d6e5;
  --color-text-light: #ffffff;
  --color-text-muted: #7f8fa6;
  --color-border:     rgba(92, 225, 230, 0.15);
  --color-glass:      rgba(10, 22, 40, 0.75);
  --color-glass-border: rgba(92, 225, 230, 0.12);

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  --max-width: 1200px;
  --nav-height: 100px;
  --nav-height-scrolled: 70px;
  --radius: 12px;
  --radius-sm: 8px;

  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 20px rgba(19, 164, 197, 0.15);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  /* Match page color so iOS/Android status bar and overscroll bounce
     stay consistent with the dark theme (no white/gray flash). */
  background-color: #0a1628;
}

body {
  font-family: var(--font-body);
  background: linear-gradient(to bottom,
    #0a1628 0%,       /* Hero area: matches video end */
    #0a1628 20%,      /* Just past hero: same */
    #081a30 45%,      /* Upper depths — still readable navy */
    #061428 70%,      /* Mid ocean */
    #040f20 90%,      /* Deep ocean */
    #020a18 100%      /* Abyss — deep navy, not pure black */
  );
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;

  /* Disable text selection globally (form fields re-enabled below) */
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
}

/* Re-enable selection inside form fields so users can type/edit */
input,
textarea,
select,
[contenteditable="true"] {
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
  -webkit-touch-callout: default;
}

/* Prevent image dragging */
img {
  -webkit-user-drag: none;
  -khtml-user-drag: none;
  -moz-user-drag: none;
  -o-user-drag: none;
  user-drag: none;
  pointer-events: auto;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.3s;
}

a:hover {
  color: var(--color-primary);
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-text-light);
  line-height: 1.3;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }

ul { list-style: none; }

/* ---------- Utility ---------- */
.container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.section {
  padding: 100px 0;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
  font-weight: 500;
}

.section-title {
  margin-bottom: 20px;
}

.section-subtitle {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin-bottom: 48px;
}

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

.text-center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

.text-gold {
  color: var(--color-gold);
}

.text-accent {
  color: var(--color-accent);
}

.section-copy {
  max-width: 760px;
  margin-bottom: 32px;
}

.section-copy p + p {
  margin-top: 16px;
}

.link-chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 36px;
}

.link-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(92, 225, 230, 0.14);
  background: rgba(92, 225, 230, 0.05);
  color: var(--color-text);
  font-size: 0.9rem;
  transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.link-chip:hover {
  color: var(--color-accent);
  background: rgba(92, 225, 230, 0.1);
  border-color: rgba(92, 225, 230, 0.22);
  transform: translateY(-2px);
}

.info-grid,
.guide-grid,
.faq-grid {
  display: grid;
  gap: 24px;
}

.info-grid {
  grid-template-columns: repeat(3, 1fr);
}

.guide-grid,
.faq-grid {
  grid-template-columns: repeat(2, 1fr);
}

.info-card,
.guide-card,
.faq-card {
  padding: 30px;
}

.info-card h3,
.guide-card h3,
.faq-card h3 {
  margin-bottom: 12px;
}

.info-card p,
.guide-card p,
.faq-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.guide-list {
  list-style: none;
  margin-top: 16px;
}

.guide-list li {
  position: relative;
  padding-left: 18px;
  color: var(--color-text);
  font-size: 0.93rem;
}

.guide-list li + li {
  margin-top: 10px;
}

.guide-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.stats-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 28px;
}

.stat-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(232, 193, 112, 0.08);
  border: 1px solid rgba(232, 193, 112, 0.14);
  color: var(--color-text);
  font-size: 0.88rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-bg-deep);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(19, 164, 197, 0.35);
  color: var(--color-bg-deep);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
}

.btn-outline:hover {
  background: rgba(92, 225, 230, 0.1);
  color: var(--color-accent);
  transform: translateY(-2px);
}

.btn-gold {
  background: linear-gradient(135deg, var(--color-gold), #f0d48a);
  color: var(--color-bg-deep);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(232, 193, 112, 0.3);
  color: var(--color-bg-deep);
}

.btn-sm {
  padding: 10px 24px;
  font-size: 0.85rem;
}

.btn-whatsapp {
  background: #25d366;
  color: #fff;
}

.btn-whatsapp:hover {
  background: #20bd5a;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.3);
}

/* ---------- Glass Card ---------- */
.glass-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

/* ---------- Image Placeholder ---------- */
.img-placeholder {
  background: linear-gradient(135deg, var(--color-bg-dark), #0f2d4a);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  text-align: center;
  padding: 20px;
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
}

.img-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px dashed var(--color-border);
  border-radius: inherit;
  pointer-events: none;
}

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  padding: 8px 0;
  transition: background 0.3s, box-shadow 0.3s, height 0.4s ease, padding 0.4s ease;
}

.navbar.scrolled {
  height: var(--nav-height-scrolled);
  padding: 6px 0;
  background: var(--color-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 30px rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--color-glass-border);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text-light);
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
}

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

.nav-brand:hover {
  color: var(--color-text-light);
}

/* Logo image slot — drop img/logo.png in place and it auto-appears */
.nav-logo {
  height: 36px;
  width: auto;
  display: block;
  flex-shrink: 0;
}

.footer-brand .nav-logo {
  height: 48px;
  margin-bottom: 4px;
}

/* Panda logo — larger, shrinks on scroll */
.nav-logo-img {
  height: 80px;
  width: auto;
  display: block;
  flex-shrink: 0;
  transition: height 0.4s ease;
}

.navbar.scrolled .nav-logo-img {
  height: 50px;
}

.nav-brand .nav-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  white-space: nowrap;
  line-height: 1;
}

.navbar.scrolled .nav-brand .nav-title {
  font-size: 1.05rem;
}

@media (max-width: 480px) {
  .nav-brand .nav-title {
    font-size: 1rem;
    letter-spacing: 0.06em;
  }
}

.footer-logo-img {
  height: 90px;
  width: auto;
  display: block;
  margin-bottom: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  color: var(--color-text);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 50px;
  transition: all 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text-light);
  background: rgba(92, 225, 230, 0.1);
}

.nav-links a.active {
  color: var(--color-accent);
}

.nav-cta {
  margin-left: 4px;
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-light);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.1s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}


/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

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

/* Static hero image */
.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10, 22, 40, 0.4) 0%,
    rgba(10, 22, 40, 0.7) 50%,
    rgba(10, 22, 40, 0.95) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 700px;
  padding-top: var(--nav-height);
}

.hero-content .section-label {
  margin-bottom: 16px;
}

.hero-content h1 {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  margin-bottom: 20px;
  line-height: 1.15;
}

.hero-content h1 em {
  font-style: normal;
  color: var(--color-accent);
}

.hero-content p {
  font-size: 1.1rem;
  color: var(--color-text);
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Bubble Animation */
.bubbles {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
  overflow: hidden;
}

.bubble {
  position: absolute;
  bottom: -20px;
  border-radius: 50%;
  background: rgba(92, 225, 230, 0.07);
  border: 1px solid rgba(92, 225, 230, 0.1);
  animation: bubble-rise linear infinite;
}

@keyframes bubble-rise {
  0% {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
  100% {
    transform: translateY(-100vh) scale(0.3);
    opacity: 0;
  }
}

.bubble:nth-child(1) { left: 5%;  width: 8px;  height: 8px;  animation-duration: 12s; animation-delay: 0s; }
.bubble:nth-child(2) { left: 15%; width: 14px; height: 14px; animation-duration: 16s; animation-delay: 2s; }
.bubble:nth-child(3) { left: 30%; width: 6px;  height: 6px;  animation-duration: 10s; animation-delay: 4s; }
.bubble:nth-child(4) { left: 45%; width: 10px; height: 10px; animation-duration: 14s; animation-delay: 1s; }
.bubble:nth-child(5) { left: 60%; width: 16px; height: 16px; animation-duration: 18s; animation-delay: 3s; }
.bubble:nth-child(6) { left: 75%; width: 7px;  height: 7px;  animation-duration: 11s; animation-delay: 5s; }
.bubble:nth-child(7) { left: 88%; width: 12px; height: 12px; animation-duration: 15s; animation-delay: 2.5s; }
.bubble:nth-child(8) { left: 50%; width: 5px;  height: 5px;  animation-duration: 9s;  animation-delay: 6s; }

/* ---------- Feature Cards (Why Section) ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 40px 32px;
  text-align: center;
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(19, 164, 197, 0.1);
  font-size: 1.8rem;
}

.feature-card h3 {
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ---------- Dive Site Cards ---------- */
.dive-map-wrap {
  margin: 40px auto 56px;
  max-width: 760px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
}

.dive-map-img {
  display: block;
  width: 100%;
  height: auto;
  filter: brightness(0.88);
  transition: filter 0.3s ease;
}

.dive-map-img:hover {
  filter: brightness(1);
}

.sites-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.site-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.site-card-img {
  height: 200px;
  width: 100%;
  object-fit: cover;
  flex-shrink: 0;
}

.site-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.site-card-body h3 {
  margin-bottom: 8px;
}

.site-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.site-tag.popular {
  background: rgba(19, 164, 197, 0.15);
  color: var(--color-accent);
}

.site-tag.advanced {
  background: rgba(232, 193, 112, 0.15);
  color: var(--color-gold);
}

.site-tag.unique {
  background: rgba(155, 89, 182, 0.15);
  color: #c39bd3;
}

.site-tag.macro {
  background: rgba(46, 204, 113, 0.15);
  color: #58d68d;
}

.site-card-body p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.site-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.site-highlights span {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 50px;
  background: rgba(92, 225, 230, 0.08);
  color: var(--color-text-muted);
  border: 1px solid rgba(92, 225, 230, 0.1);
}

@media (min-width: 769px) {
  .site-highlights-compact {
    flex-wrap: nowrap;
    gap: 4px;
  }
  .site-highlights-compact span {
    white-space: nowrap;
    font-size: 0.7rem;
    padding: 3px 8px;
  }
}

/* ---------- Course Cards ---------- */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.course-card {
  padding: 36px;
  display: flex;
  flex-direction: column;
}

.course-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.course-card h3 {
  flex: 1;
}

.course-price {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-gold);
  white-space: nowrap;
}

.course-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.course-meta span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.course-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
  flex-grow: 1;
}

.course-includes {
  margin-bottom: 20px;
}

.course-includes li {
  font-size: 0.9rem;
  color: var(--color-text);
  padding: 4px 0;
  padding-left: 20px;
  position: relative;
}

.course-includes li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

/* ---------- Pricing Table ---------- */
.pricing-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 24px;
}

.pricing-table th,
.pricing-table td {
  text-align: left;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
}

.pricing-table th {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
}

.pricing-table td {
  font-size: 0.95rem;
}

.pricing-table .price-cell {
  color: var(--color-gold);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
}

.pricing-table tbody tr {
  transition: background 0.3s;
}

.pricing-table tbody tr:hover {
  background: rgba(92, 225, 230, 0.03);
}

/* ---------- Accommodation ---------- */
.accommodation-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.accommodation-img {
  aspect-ratio: 4 / 3;
  width: 100%;
  object-fit: cover;
  border-radius: var(--radius);
}

.accommodation-info h3 {
  margin-bottom: 16px;
}

.accommodation-info p {
  margin-bottom: 20px;
  color: var(--color-text-muted);
}

.amenities-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 28px;
}

.amenity {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--color-text);
}

.amenity-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(19, 164, 197, 0.1);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.accommodation-price {
  padding: 24px;
  border-radius: var(--radius);
  background: rgba(232, 193, 112, 0.06);
  border: 1px solid rgba(232, 193, 112, 0.15);
}

.accommodation-price .price-amount {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-gold);
  margin-bottom: 4px;
}

.accommodation-price .price-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-method {
  display: flex;
  gap: 16px;
  padding: 20px;
  border-radius: var(--radius-sm);
  background: rgba(92, 225, 230, 0.03);
  border: 1px solid var(--color-glass-border);
  margin-bottom: 16px;
  transition: background 0.3s;
}

.contact-method:hover {
  background: rgba(92, 225, 230, 0.06);
}

.contact-method-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(19, 164, 197, 0.12);
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-method h4 {
  font-family: var(--font-body);
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.contact-method p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.contact-method a {
  color: var(--color-accent);
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 6px;
  font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: rgba(10, 22, 40, 0.6);
  color: var(--color-text-light);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(19, 164, 197, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* Map */
.map-container {
  border-radius: var(--radius);
  overflow: hidden;
  height: 300px;
  margin-top: 32px;
  border: 1px solid var(--color-glass-border);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ---------- CTA Section ---------- */
.cta-section {
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(19, 164, 197, 0.08), rgba(92, 225, 230, 0.04));
  border-top: 1px solid var(--color-glass-border);
  border-bottom: 1px solid var(--color-glass-border);
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  margin-bottom: 16px;
}

.cta-section p {
  color: var(--color-text-muted);
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.footer {
  padding: 60px 0 30px;
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: 12px;
  max-width: 280px;
}

.footer h4 {
  font-family: var(--font-body);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-text-muted);
  margin-bottom: 20px;
  font-weight: 600;
}

.footer-links a {
  display: block;
  color: var(--color-text);
  font-size: 0.9rem;
  padding: 4px 0;
  transition: color 0.3s, padding-left 0.3s;
}

.footer-links a:hover {
  color: var(--color-accent);
  padding-left: 6px;
}

.footer-contact p {
  font-size: 0.9rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.footer-contact a {
  color: var(--color-text);
}

.footer-contact a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ---------- Page Header (inner pages) ---------- */
.page-header {
  padding: 140px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(19, 164, 197, 0.06), transparent);
}

.page-header .section-label {
  position: relative;
}

.page-header h1 {
  position: relative;
  margin-bottom: 16px;
}

.page-header p {
  position: relative;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* ---------- Dive Site Detail (on dive-sites.html) ---------- */
.site-detail {
  padding: 40px;
  margin-bottom: 32px;
  scroll-margin-top: 90px;
}

.site-detail-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  align-items: start;
}

.site-detail-img {
  height: 220px;
  width: 100%;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.site-detail-content h2 {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.site-info-bar {
  display: flex;
  gap: 20px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.site-info-bar span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-detail-content > p {
  color: var(--color-text);
  margin-bottom: 16px;
  line-height: 1.8;
}

.site-marine-life + .site-marine-life {
  margin-top: 20px;
}

.site-marine-life h4 {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 80px;
    --nav-height-scrolled: 60px;
  }

  .section {
    padding: 60px 0;
  }

  /* Nav mobile */
  .nav-logo-img {
    height: 60px;
  }

  .navbar.scrolled .nav-logo-img {
    height: 40px;
  }

  .footer-logo-img {
    height: 70px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background: var(--color-bg-deep);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 0;
    transform: translateY(-120%);
    transition: transform 0.3s ease, top 0.4s ease;
    z-index: 999;
  }

  .navbar.scrolled .nav-menu,
  .navbar.menu-open .nav-menu {
    top: var(--nav-height-scrolled);
  }

  /* When menu is open, match scrolled navbar appearance for consistency */
  .navbar.menu-open {
    height: var(--nav-height-scrolled);
    padding: 6px 0;
    background: var(--color-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--color-glass-border);
  }

  .navbar.menu-open .nav-logo-img {
    height: 40px;
  }

  .nav-menu.open {
    transform: translateY(0);
  }

  /* Overlay behind menu — blocks background interaction */
  .nav-overlay {
    opacity: 0;
    visibility: hidden;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 998;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }

  .nav-overlay.active {
    opacity: 1;
    visibility: visible;
  }

  .nav-links {
    flex-direction: column;
    gap: 4px;
    padding: 0 5%;
  }

  .nav-links a {
    width: 100%;
    padding: 12px 16px;
  }

  .nav-cta {
    margin-left: 0;
    margin-top: 8px;
    width: 100%;
    text-align: center;
  }

  /* Grids */
  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

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

  .info-grid,
  .guide-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .accommodation-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .site-detail-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  /* Hero */
  .hero-content h1 {
    font-size: clamp(1.8rem, 6vw, 2.8rem);
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    text-align: center;
    justify-content: center;
  }

  /* Page header */
  .page-header {
    padding: 120px 0 40px;
  }

  /* Site detail */
  .site-detail {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  .container {
    width: 92%;
  }

  .feature-card {
    padding: 28px 20px;
  }

  .course-card {
    padding: 24px;
  }

  .course-header {
    flex-direction: column;
  }

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