/* ═══════════════════════════════════════════════════════════════════
   v3.css — World-class design enhancement layer (loads AFTER main.css)
   Upgrades: fluid type, premium depth, micro-interactions, mobile UX,
   accessibility. Does not replace main.css — overrides & extends it.
   ═══════════════════════════════════════════════════════════════════ */

/* ── 1. Refined design tokens ───────────────────────────────────── */
:root {
  /* fluid type scale (360px → 1280px) */
  --fs-xs:   clamp(.78rem,  .74rem + .2vw,  .85rem);
  --fs-sm:   clamp(.88rem,  .84rem + .2vw,  .95rem);
  --fs-base: clamp(1rem,    .95rem + .25vw, 1.08rem);
  --fs-lg:   clamp(1.15rem, 1.05rem + .5vw, 1.35rem);
  --fs-xl:   clamp(1.45rem, 1.25rem + 1vw,  1.9rem);
  --fs-2xl:  clamp(1.9rem,  1.5rem + 2vw,   2.8rem);
  --fs-hero: clamp(2.2rem,  1.6rem + 3.2vw, 4rem);

  /* spacing scale */
  --sp-1: .25rem; --sp-2: .5rem; --sp-3: .75rem; --sp-4: 1rem;
  --sp-6: 1.5rem; --sp-8: 2rem;  --sp-12: 3rem;  --sp-16: 4rem;

  /* premium depth — gold-tinted shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,.18), 0 1px 2px rgba(0,0,0,.12);
  --shadow-md: 0 10px 30px rgba(0,0,0,.32), 0 2px 8px rgba(212,175,55,.04);
  --shadow-lg: 0 24px 64px rgba(0,0,0,.45), 0 4px 16px rgba(212,175,55,.06);
  --shadow-gold: 0 8px 28px rgba(212,175,55,.28);

  /* glass */
  --glass-bg: rgba(19,30,45,.6);
  --glass-br: rgba(255,255,255,.09);

  --tr-fast: .18s cubic-bezier(.4,0,.2,1);
  --tr:      .3s  cubic-bezier(.4,0,.2,1);
  --tr-slow: .55s cubic-bezier(.22,1,.36,1);
}

/* ── 2. Typography rhythm ───────────────────────────────────────── */
body { font-size: var(--fs-base); text-rendering: optimizeLegibility; }
.section-title { font-size: var(--fs-2xl); line-height: 1.18; letter-spacing: -.015em; }
.section-sub   { font-size: var(--fs-lg); line-height: 1.55; }
.kicker { letter-spacing: .14em; font-size: var(--fs-xs); }

/* ── 3. Buttons — consistent premium system ─────────────────────── */
.btn-primary, .btn-cta-primary, .btn-outline, .btn-outline-gold, .btn-whatsapp {
  position: relative;
  min-height: 48px;                       /* touch target */
  display: inline-flex; align-items: center; justify-content: center;
  gap: .55rem;
  border-radius: 14px;
  font-weight: 700;
  transition: transform var(--tr-fast), box-shadow var(--tr), filter var(--tr-fast);
  will-change: transform;
}
.btn-primary:hover, .btn-cta-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-gold); }
.btn-primary:active, .btn-cta-primary:active,
.btn-outline:active, .btn-whatsapp:active { transform: translateY(0) scale(.98); }
.btn-outline:hover, .btn-outline-gold:hover { transform: translateY(-2px); }

/* ── 4. Cards — unified elevation system ────────────────────────── */
.service-card, .airport-card, .review-card, .faq-item {
  border: 1px solid var(--glass-br);
  transition: transform var(--tr), box-shadow var(--tr), border-color var(--tr);
}
.service-card:hover, .airport-card:hover, .review-card:hover {
  transform: translateY(-5px);
  border-color: var(--br);
  box-shadow: var(--shadow-lg);
}

/* ── 5. FAQ — smooth open/close ─────────────────────────────────── */
.faq-item { border-radius: var(--radius-md); overflow: hidden; }
.faq-q {
  min-height: 48px;
  cursor: pointer;
  transition: color var(--tr-fast), background var(--tr-fast);
  position: relative;
  padding-right: 2.4rem;
}
.faq-q::after {
  content: '+';
  position: absolute; right: 1rem; top: 50%;
  transform: translateY(-50%);
  font-size: 1.3rem; color: var(--gl);
  transition: transform var(--tr);
}
.faq-item[open] .faq-q::after { transform: translateY(-50%) rotate(45deg); }
.faq-item[open] .faq-a { animation: v3FadeDown .32s cubic-bezier(.22,1,.36,1); }
@keyframes v3FadeDown {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── 6. Scroll reveal (driven by v3.js) ─────────────────────────── */
.hp-reveal { opacity: 0; transform: translateY(22px); transition: opacity var(--tr-slow), transform var(--tr-slow); }
.hp-reveal.v3-in { opacity: 1; transform: none; }
.hp-reveal-d1.v3-in { transition-delay: .08s; }
.hp-reveal-d2.v3-in { transition-delay: .16s; }
/* No-JS / reduced motion: always visible */
.no-js .hp-reveal { opacity: 1; transform: none; }

/* ── 7. Accessibility ───────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--gb);
  outline-offset: 3px;
  border-radius: 4px;
}
.v3-skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--gl); color: #08121e;
  padding: .7rem 1.2rem; z-index: 3000;
  font-weight: 800; border-radius: 0 0 10px 0;
}
.v3-skip-link:focus { left: 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .hp-reveal { opacity: 1; transform: none; }
}

/* ── 8. Mobile sticky CTA bar ───────────────────────────────────── */
.v3-sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0;
  z-index: 1500;
  display: none;
  gap: .6rem;
  padding: .6rem .8rem calc(.6rem + env(safe-area-inset-bottom));
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--glass-br);
  transform: translateY(110%);
  transition: transform var(--tr);
}
.v3-sticky-cta.v3-show { transform: translateY(0); }
.v3-sticky-cta a {
  flex: 1;
  display: flex; align-items: center; justify-content: center;
  gap: .45rem;
  min-height: 48px;
  border-radius: 12px;
  font-weight: 800; font-size: .95rem;
  text-decoration: none;
}
.v3-cta-book { background: linear-gradient(135deg, var(--gb), var(--gold)); color: #08121e; box-shadow: var(--shadow-gold); }
.v3-cta-wa   { background: #1faa53; color: #fff; }

@media (max-width: 768px) {
  .v3-sticky-cta { display: flex; }
  /* keep WhatsApp float button clear of the bar */
  .wa-float-btn { bottom: 86px !important; }
  /* touch comfort */
  .nav-ul a, .faq-q, button { -webkit-tap-highlight-color: rgba(212,175,55,.15); }
  /* tighter section rhythm on phones */
  .section-wrap { padding-top: var(--sp-12); padding-bottom: var(--sp-12); }
}

/* ── 9. Polished scrollbar + selection ──────────────────────────── */
::selection { background: rgba(212,175,55,.35); color: #fff; }
@media (min-width: 769px) {
  ::-webkit-scrollbar { width: 11px; }
  ::-webkit-scrollbar-track { background: var(--d2); }
  ::-webkit-scrollbar-thumb { background: var(--d4); border-radius: 8px; border: 2px solid var(--d2); }
  ::-webkit-scrollbar-thumb:hover { background: var(--gold); }
}

/* ── 10. Image polish ───────────────────────────────────────────── */
img { height: auto; }
.review-avatar { box-shadow: inset 0 0 0 2px rgba(212,175,55,.35); }

/* ── 11. Mobile menu — slide-in polish ──────────────────────────── */
.mob.open { animation: v3MobIn .28s cubic-bezier(.22,1,.36,1); }
@keyframes v3MobIn { from { opacity: 0; transform: translateY(-12px); } to { opacity: 1; transform: none; } }