/* ===================================================================
   Ocean Sun Theme — Course Detail Page
   Full-page marketing layout with 11 sections.
   Uses --os-* design tokens from tokens.css.
   Dive CTA color: --os-dive (Teal #14b8a6)
   =================================================================== */

/* ── Course-specific layout token ───────────────── */
:root {
  --os-course-section-padding: clamp(56px, 8vw, 96px);
}

/* ── Italic display (Fraunces italic for <em>) ──── */
.os-course em {
  font-family: var(--os-font-display);
  font-style: italic;
}

/* ═══════════════════════════════════════════════════
   SECTION 1: HERO
   ═══════════════════════════════════════════════════ */

/* ── Course Hero — now uses unified .os-hero from components.css ──
   Course-specific button below. Hero structure, overlay, badge, pre-heading,
   title, subtitle, scroll are ALL in components.css. */

/* ── Buttons (course-specific) ── */

.os-btn--course-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--os-dive);
  color: #fff;
  border: none;
  border-radius: var(--os-radius-md);
  font-family: var(--os-font-body);
  font-size: 14px;
  font-weight: var(--os-font-body-semibold);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.os-btn--course-primary:hover {
  background: var(--os-dive-dark);
  transform: translateY(-1px);
  color: #fff;
}

/* Ghost button on hero: now uses shared os-btn--ghost-light from components.css */

/* ═══════════════════════════════════════════════════
   SECTION 2: BOOKING
   ═══════════════════════════════════════════════════ */

.os-course-booking {
  padding: var(--os-course-section-padding) 0;
  background: var(--os-bg);
}

.os-course-booking__grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 40px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}

.os-course-booking__intro h2 {
  font-family: var(--os-font-display);
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: var(--os-font-display-semibold);
  color: var(--os-text);
  margin-bottom: 16px;
  line-height: var(--os-leading-tight);
}

.os-course-booking__seo-hint {
  /* Hidden: redundant with section label above. Kept in HTML for SEO. */
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.os-course-booking__intro p {
  color: var(--os-text-muted);
  font-size: 15px;
  margin-bottom: 28px;
  max-width: 520px;
}

/* ── Included list (under trust pills) ── */

.os-course-booking__included {
  margin-top: 28px;
}

.os-course-booking__included h4 {
  font-family: var(--os-font-body);
  font-size: 13px;
  font-weight: var(--os-font-body-semibold);
  color: var(--os-text);
  margin-bottom: 12px;
}

.os-course-booking__included-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 24px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.os-course-booking__included-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--os-font-body);
  font-size: 14px;
  color: var(--os-text-body, #4A5568);
  padding: 4px 0;
}

.os-course-booking__included-list li svg {
  width: 16px;
  height: 16px;
  color: var(--os-dive, #14b8a6);
  flex-shrink: 0;
}

/* Trust pills */
.os-trust-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.os-trust-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 1 1 calc(50% - 10px);
  min-width: 0;
  gap: 8px;
  padding: 8px 16px;
  background: var(--os-bg-white);
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius-full);
  font-size: 12px;
  font-weight: var(--os-font-body-medium);
  color: var(--os-text);
  transition: border-color var(--os-transition-fast);
}

.os-trust-pill:hover {
  border-color: var(--os-primary);
}

.os-trust-pill svg {
  width: 14px;
  height: 14px;
  color: var(--os-primary);
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════
   SECTION 3: QUICK FACTS BAR
   → Moved to components.css as shared .os-facts-bar
   ═══════════════════════════════════════════════════ */

/* ═══════════════════════════════════════════════════
   SECTION 4: COURSE STRUCTURE
   ═══════════════════════════════════════════════════ */

.os-course-structure {
  padding: var(--os-course-section-padding) 0;
  background: var(--os-bg);
}

.os-course-structure__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}

.os-course-section-header {
  margin-bottom: 40px;
  max-width: 520px;
}

.os-course-section-label {
  font-family: var(--os-font-body);
  font-size: 11px;
  font-weight: var(--os-font-body-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--os-text-muted);
  margin-bottom: 12px;
  display: block;
}

.os-course-section-header h2 {
  font-family: var(--os-font-display);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: var(--os-font-display-semibold);
  color: var(--os-text);
  margin-bottom: 12px;
  line-height: var(--os-leading-tight);
}

.os-course-section-header p {
  color: var(--os-text-muted);
  font-size: 14px;
}

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

.os-course-step {
  background: var(--os-bg-white);
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius-lg);
  padding: 28px;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  height: 100%;
}

.os-course-step:hover {
  box-shadow: var(--os-shadow-card);
  transform: translateY(-2px);
}

.os-course-step__number {
  width: 44px;
  height: 44px;
  background: var(--os-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--os-font-display);
  font-size: 18px;
  color: var(--os-primary);
  margin-bottom: 16px;
  transition: all 0.2s ease;
}

.os-course-step:hover .os-course-step__number {
  background: var(--os-primary);
  color: #fff;
}

.os-course-step__phase {
  font-size: 10px;
  font-weight: var(--os-font-body-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--os-dive-dark);
  margin-bottom: 6px;
}

.os-course-step h3 {
  font-family: var(--os-font-display);
  font-size: 20px;
  font-weight: var(--os-font-display-semibold);
  margin-bottom: 10px;
  line-height: var(--os-leading-snug);
}

.os-course-step p {
  font-size: 14px;
  color: var(--os-text-muted);
  line-height: var(--os-leading-relaxed);
}

/* ═══════════════════════════════════════════════════
   SECTION 5: WHY DIVE WITH US
   ═══════════════════════════════════════════════════ */

/* ═══════════════════════════════════════════════════
   SECTION 5: TRUST STRIP
   ═══════════════════════════════════════════════════ */

.os-course-trust-strip {
  background: var(--os-dive-deep);
  padding: clamp(28px, 4vw, 44px) 0;
}

.os-course-trust-strip__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}

.os-course-trust-strip__item {
  text-align: center;
  padding: 0 20px;
  border-right: 1px solid rgba(255,255,255,0.06);
}

.os-course-trust-strip__item:last-child {
  border-right: none;
}

/* ═══════════════════════════════════════════════════
   SECTION 6: DIVE SITES
   ═══════════════════════════════════════════════════ */

.os-course-sites {
  padding: var(--os-course-section-padding) 0;
  background: var(--os-bg);
}

.os-course-sites__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}

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

.os-course-site-card {
  border-radius: var(--os-radius-lg);
  overflow: hidden;
  background: var(--os-bg-white);
  border: 1px solid var(--os-border);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.os-course-site-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--os-shadow-lg);
}

.os-course-site-card__img {
  aspect-ratio: 4/3;
  overflow: hidden;
}

.os-course-site-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.os-course-site-card:hover .os-course-site-card__img img {
  transform: scale(1.03);
}

.os-course-site-card__body {
  padding: 20px;
}

.os-course-site-card__meta {
  font-size: 10px;
  font-weight: var(--os-font-body-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--os-dive-dark);
  margin-bottom: 6px;
}

.os-course-site-card h3 {
  font-family: var(--os-font-display);
  font-size: 20px;
  font-weight: var(--os-font-display-semibold);
  margin-bottom: 8px;
}

.os-course-site-card p {
  font-size: 13px;
  color: var(--os-text-muted);
  line-height: var(--os-leading-relaxed);
}

/* ═══════════════════════════════════════════════════
   SECTION 7: WHAT'S INCLUDED
   ═══════════════════════════════════════════════════ */

.os-course-included {
  padding: var(--os-course-section-padding) 0;
  background: var(--os-bg-white);
  border-top: 1px solid var(--os-border-light);
  border-bottom: 1px solid var(--os-border-light);
}

.os-course-included__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}

.os-course-included__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 36px;
}

.os-course-included__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.os-course-included__list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--os-border-light);
  font-size: 14px;
  color: var(--os-text-body);
}

.os-course-included__list li svg {
  width: 16px;
  height: 16px;
  color: var(--os-dive);
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════
   SECTION 8: FAQ — uses shared .os-faq styles from components.css
   ═══════════════════════════════════════════════════ */

/* ═══════════════════════════════════════════════════
   SECTION 9: NEXT COURSES (DARK)
   → Moved to components.css as shared .os-course-next / .os-course-card-dark
   ═══════════════════════════════════════════════════ */

/* ═══════════════════════════════════════════════════
   SECTION 10: BUNGALOWS
   ═══════════════════════════════════════════════════ */

.os-course-bungalows {
  padding: var(--os-course-section-padding) 0;
  background: var(--os-bg-cream);
}

.os-course-bungalows__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}

.os-course-bungalows__grid {
  display: grid;
  grid-template-columns: 38fr 62fr;
  gap: 48px;
  align-items: start;
}

.os-course-bungalows__story h2 {
  font-family: var(--os-font-display);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: var(--os-font-display-semibold);
  color: var(--os-text);
  margin-bottom: 16px;
  line-height: var(--os-leading-tight);
}

.os-course-bungalows__story p {
  font-size: 14px;
  color: var(--os-text-muted);
  margin-bottom: 20px;
  line-height: var(--os-leading-relaxed);
}

.os-btn--outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: transparent;
  color: var(--os-primary);
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius-md);
  font-family: var(--os-font-body);
  font-size: 14px;
  font-weight: var(--os-font-body-semibold);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.os-btn--outline:hover {
  border-color: var(--os-primary);
  background: var(--os-primary-light);
  color: var(--os-primary);
}

.os-course-bungalow-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.os-course-bungalow-card {
  background: var(--os-bg-white);
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius-lg);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-decoration: none;
  display: block;
}

.os-course-bungalow-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--os-shadow-card);
}

.os-course-bungalow-card__img {
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
}

.os-course-bungalow-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.os-course-bungalow-card__tag {
  position: absolute;
  top: 10px;
  left: 10px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--os-radius-full);
  background: rgba(255,255,255,0.9);
  color: var(--os-primary);
  backdrop-filter: blur(4px);
}

.os-course-bungalow-card__body {
  padding: 16px 20px 20px;
}

.os-course-bungalow-card__body h3 {
  font-family: var(--os-font-display);
  font-size: 18px;
  font-weight: var(--os-font-display-semibold);
  margin-bottom: 4px;
  color: var(--os-text);
}

.os-course-bungalow-card__features {
  font-size: 12px;
  color: var(--os-text-muted);
  margin-bottom: 12px;
}

.os-course-bungalow-card__price {
  font-family: var(--os-font-display);
  font-size: 20px;
  font-weight: var(--os-font-display-semibold);
  color: var(--os-primary);
  margin-bottom: 8px;
}

.os-course-bungalow-card__price span {
  font-family: var(--os-font-body);
  font-size: 12px;
  color: var(--os-text-muted);
}

.os-course-bungalow-card__link {
  font-size: 13px;
  font-weight: var(--os-font-body-semibold);
  color: var(--os-primary);
}

/* ═══════════════════════════════════════════════════
   SECTION 11: FINAL CTA
   ═══════════════════════════════════════════════════ */

.os-course-final-cta {
  padding: clamp(64px, 8vw, 112px) 0;
  background: var(--os-dive-deep);
  text-align: center;
  overflow: hidden;
}

.os-course-final-cta__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}

.os-course-final-cta__eyebrow {
  font-size: 11px;
  font-weight: var(--os-font-body-semibold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--os-dive);
  margin-bottom: 16px;
}

.os-course-final-cta h2 {
  font-family: var(--os-font-display);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: var(--os-font-display-semibold);
  color: #fff;
  max-width: 500px;
  margin: 0 auto 12px;
  line-height: var(--os-leading-tight);
}

.os-course-final-cta p {
  font-size: 14px;
  color: rgba(255,255,255,0.4);
  margin-bottom: 32px;
  max-width: 380px;
  margin-left: auto;
  margin-right: auto;
}

.os-course-final-cta .os-btn--course-primary {
  padding: 14px 36px;
  font-size: 15px;
}

/* ═══════════════════════════════════════════════════
   GALLERY (Photo Mosaic)
   ═══════════════════════════════════════════════════ */

.os-course-gallery {
  padding: var(--os-course-section-padding) 0;
  background: var(--os-bg-cream);
}

.os-course-gallery__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}

.os-course-gallery__title {
  font-family: var(--os-font-display);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: var(--os-font-display-semibold);
  color: var(--os-text);
  margin-bottom: 0;
}

.os-mosaic {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--os-space-3);
  margin-top: var(--os-space-6);
}

.os-mosaic__item {
  border-radius: var(--os-radius-md);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--os-bg-warm);
}

.os-mosaic__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--os-transition-normal);
}

.os-mosaic__item:hover .os-mosaic__img {
  transform: scale(1.05);
}

.os-mosaic__item--wide {
  grid-column: span 2;
}

/* ═══════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════ */

@media (max-width: 1024px) {
  .os-course-booking__grid {
    grid-template-columns: 1fr;
  }

  .os-course-trust-strip__grid {
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 320px;
  }

  .os-course-trust-strip__item {
    border-right: none;
    padding: 8px 0;
  }

  .os-course-bungalows__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  /* Course hero responsive — now handled by unified .os-hero in components.css */


  .os-course-steps {
    grid-template-columns: 1fr;
  }

  .os-course-sites__grid {
    grid-template-columns: 1fr;
    max-width: 420px;
  }

  .os-course-included__grid {
    grid-template-columns: 1fr;
  }

  .os-course-bungalow-cards {
    grid-template-columns: 1fr;
    max-width: 380px;
  }

  .os-mosaic {
    grid-template-columns: 1fr 1fr;
  }

  .os-mosaic__item--wide {
    grid-column: span 1;
  }

  /* Included list — single column on mobile */
  .os-course-booking__included-list {
    grid-template-columns: 1fr;
  }
}

/* ═══════════════════════════════════════════════════
   REDUCED MOTION
   ═══════════════════════════════════════════════════ */

/* Reduced motion for hero — now in components.css */

/* ═══════════════════════════════════════════════════
   SVG check icon (reusable in lists)
   ═══════════════════════════════════════════════════ */

.os-icon-check {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}