/* ═══════════════════════════════════════════════════════════
   Ocean Escape Adventures — Polish Layer
   Scroll reveals, nav, hero, performance, micro-interactions
   ═══════════════════════════════════════════════════════════ */

/* ── Scroll progress ── */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  z-index: 10001;
  background: linear-gradient(90deg, var(--turquoise, #00A8B5), var(--gold-premium, #D4AF37));
  pointer-events: none;
  transition: width 0.08s linear;
}

/* ── Nav on scroll ── */
#siteNav {
  transition: padding 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              background 0.35s ease;
}
#siteNav.nav-scrolled {
  padding-top: 8px;
  padding-bottom: 8px;
  box-shadow: 0 8px 32px rgba(0, 43, 48, 0.12);
  background: rgba(255, 255, 255, 0.96);
}
#siteNav.nav-scrolled .nav-logo img {
  height: 48px;
}
#siteNav .nav-links a.active,
#siteNav .mobile-menu a.active {
  color: var(--turquoise, #00A8B5);
}
#siteNav .nav-links a.active::after {
  width: 100%;
}

/* ── Section scroll offset (fixed nav) ── */
section,
main.hero,
#activities,
#packages,
#places,
#about,
#feedback,
#booking,
#faq,
#contact {
  scroll-margin-top: 88px;
}

/* ── Scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }
.reveal-delay-5 { transition-delay: 0.4s; }

/* ── Hero entrance ── */
.hero-enter {
  opacity: 0;
  transform: translateY(22px);
}
.hero-enter.play {
  animation: heroFadeUp 0.85s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.hero-enter-1.play { animation-delay: 0.1s; }
.hero-enter-2.play { animation-delay: 0.25s; }
.hero-enter-3.play { animation-delay: 0.4s; }
.hero-enter-4.play { animation-delay: 0.55s; }
@keyframes heroFadeUp {
  to { opacity: 1; transform: none; }
}

/* ── Performance: mobile fixed background ── */
@media (max-width: 768px) {
  body {
    background-attachment: scroll !important;
  }
}

/* ── Unified elevation system ── */
.prop-card,
.package-card,
.activity-card,
.feedback-card,
.booking-card {
  box-shadow: 0 8px 32px rgba(0, 43, 48, 0.08);
}
.prop-card:hover,
.package-card:hover,
.activity-card:hover {
  box-shadow: 0 20px 48px rgba(0, 43, 48, 0.14);
}

/* ── Featured package highlight ── */
.package-card.featured {
  border: 2px solid rgba(0, 168, 181, 0.45);
  box-shadow: 0 12px 40px rgba(0, 168, 181, 0.2), 0 0 0 1px rgba(0, 168, 181, 0.08);
  transform: scale(1.02);
}
.package-card.featured:hover {
  transform: scale(1.02) translateY(-10px);
  box-shadow: 0 28px 64px rgba(0, 168, 181, 0.28);
}

/* ── Booking section wrapper ── */
.booking-trust {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  max-width: 920px;
  margin: 0 auto 28px;
  padding: 0 20px;
}
.trust-step {
  flex: 1 1 200px;
  max-width: 280px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(224, 247, 250, 0.22);
  border-radius: 16px;
  text-align: start;
}
.trust-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--turquoise, #00A8B5);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}
.trust-step strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}
.trust-step span {
  font-size: 13px;
  color: rgba(224, 247, 250, 0.85);
  line-height: 1.5;
}
.booking-card {
  max-width: 920px;
  margin: 0 auto;
  padding: 36px 28px;
  background: rgba(255, 255, 255, 0.97);
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(0, 20, 24, 0.35);
  border: 1px solid rgba(224, 247, 250, 0.5);
  text-align: center;
}
.booking-card .package-btn {
  display: inline-block;
  width: auto;
  min-width: 220px;
  padding: 16px 44px;
  font-size: 15px;
  background: linear-gradient(135deg, var(--turquoise, #00A8B5), var(--sea-teal, #005B66));
  color: #fff;
  border-radius: 50px;
  box-shadow: 0 6px 20px rgba(0, 168, 181, 0.35);
}
.booking-card .package-btn:hover {
  background: linear-gradient(135deg, var(--sea-teal, #005B66), var(--deep-ocean, #002B30));
  color: #fff;
}
@media (max-width: 600px) {
  .booking-card { padding: 28px 20px; }
  .trust-step { flex: 1 1 100%; max-width: none; }
}

/* ── FAQ smooth open ── */
.faq-item summary {
  transition: color 0.2s;
}
.faq-item[open] summary {
  color: var(--turquoise, #00A8B5);
}
.faq-item p {
  animation: faqOpen 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes faqOpen {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 0.92; transform: none; }
}

/* ── Global button micro-interactions ── */
.btn-primary,
.btn-secondary,
.nav-cta,
.package-btn,
.contact-wa-btn,
.contact-email-btn,
.fb-submit,
.home {
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.2s ease,
              background 0.2s ease;
}
.btn-primary:active,
.btn-secondary:active,
.nav-cta:active,
.package-btn:active,
.contact-wa-btn:active,
.fb-submit:active:not(:disabled),
.home:active {
  transform: scale(0.97) translateY(0) !important;
}

/* ── Focus visible (accessibility) ── */
a:focus-visible,
button:focus-visible,
summary:focus-visible,
.place-card-photo:focus-visible {
  outline: 2px solid var(--turquoise, #00A8B5);
  outline-offset: 3px;
}

/* ── Feedback submit spinner ── */
.fb-submit {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.fb-submit.is-loading {
  pointer-events: none;
  opacity: 0.85;
}
.fb-submit.is-loading .fb-btn-text {
  opacity: 0.7;
}
.fb-spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(0, 43, 48, 0.2);
  border-top-color: var(--deep-ocean, #002B30);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.fb-submit.is-loading .fb-spinner {
  display: block;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── WhatsApp one-time pulse ── */
.wa-float.wa-pulse {
  animation: waPulse 2s ease-out 1;
}
@keyframes waPulse {
  0% { box-shadow: 0 6px 25px rgba(37, 211, 102, 0.4); }
  40% { box-shadow: 0 6px 25px rgba(37, 211, 102, 0.4), 0 0 0 12px rgba(37, 211, 102, 0.25); }
  100% { box-shadow: 0 6px 25px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ── Mobile float button spacing ── */
@media (max-width: 520px) {
  .wa-float {
    bottom: 22px;
    inset-inline-end: 16px;
    width: 52px;
    height: 52px;
  }
  .sound-float {
    bottom: 86px;
    inset-inline-end: 16px;
    width: 44px;
    height: 44px;
  }
}

/* ── Subpage polish (gallery, play, 404) ── */
.subpage-header {
  transition: box-shadow 0.3s ease, background 0.3s ease;
}
.subpage-header.header-scrolled {
  box-shadow: 0 8px 24px rgba(0, 20, 24, 0.35);
  background: rgba(0, 43, 48, 0.95);
}
.g-card,
.page-head {
  /* reveal handled by JS */
}
.g-card {
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.35s ease;
}
.g-card:hover {
  box-shadow: 0 16px 40px rgba(0, 20, 24, 0.45);
}
.back:focus-visible,
.home:focus-visible {
  outline-offset: 4px;
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero-enter {
    opacity: 1;
    transform: none;
    animation: none !important;
  }
  .scroll-progress {
    display: none;
  }
  .faq-item p {
    animation: none;
  }
  .wa-float.wa-pulse {
    animation: none;
  }
  #siteNav,
  #siteNav.nav-scrolled,
  #siteNav.nav-scrolled .nav-logo img {
    transition: none;
  }
}