/* =====================================================
   VIAJE LEVN SD 2026 — Hoja de estilos
   ===================================================== */

:root {
  --ink:        #0B0E1A;
  --ink-2:      #14182B;
  --paper:      #F6F5F1;
  --text-dim:   rgba(246,245,241,0.72);
  --text-dim-2: rgba(246,245,241,0.52);
  --accent:     #F5A623;
  --accent-2:   #FF6B4A;
  --line:       rgba(246,245,241,0.14);
  --radius:     28px;
  --tr:         0.25s ease;
  --max:        980px;
  --nav-h:      68px;
  --card-pt:    calc(var(--nav-h) + 3.5rem);

  --c-objetivo:  #4338CA;
  --c-itinerario:#0D9488;
  --c-lugares:   #7C3AED;
  --c-empresas:  #2563EB;
  --c-costos:    #C2410C;
  --c-requisitos:#BE123C;
  --c-recos:     #059669;
  --c-reglas:    #111827;
  --c-faq:       #6D28D9;
  --c-galeria:   #0E7490;
}

* , *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--ink); color: var(--paper);
  line-height: 1.65; -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1,h2,h3,h4 { line-height: 1.15; text-wrap: balance; font-weight: 800; letter-spacing: -0.02em; }
p { text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; border: none; background: none; color: inherit; }
ul { list-style: none; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.5rem; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-dim); margin-bottom: 1rem;
}
.eyebrow::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }

/* ============ PROGRESS BAR ============ */
.progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  z-index: 999; transition: width 0.08s linear;
}

/* ============ NAV ============ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  height: var(--nav-h); display: flex; align-items: center;
  background: rgba(11,14,26,0.5); backdrop-filter: blur(0px);
  border-bottom: 1px solid transparent;
  transition: background var(--tr), border-color var(--tr), backdrop-filter var(--tr);
}
.nav.scrolled { background: rgba(11,14,26,0.85); backdrop-filter: blur(14px); border-color: var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.brand { font-weight: 800; font-size: 1.7rem; letter-spacing: -0.02em; line-height: 1.1; margin-left: -0.6rem; }
.nav-links { display: flex; gap: 1.6rem; }
.nav-links a { font-size: 1.05rem; font-weight: 600; color: var(--text-dim); transition: color var(--tr); position: relative; }
.nav-links a:hover, .nav-links a.active { color: var(--paper); }
.nav-links a.active::after { content: ''; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; background: var(--accent); border-radius: 2px; }
.nav-cta {
  background: var(--accent); color: #1a1206; font-weight: 700; font-size: 0.84rem;
  padding: 0.55rem 1.1rem; border-radius: 999px; transition: transform var(--tr), background var(--tr);
}
.nav-cta:hover { transform: translateY(-1px); background: #ffb84d; }
.burger { display: none; flex-direction: column; gap: 4px; width: 26px; z-index: 501; }
.burger span { display: block; height: 2px; background: var(--paper); border-radius: 2px; transition: var(--tr); }

.mobile-nav {
  position: fixed; inset: 0; background: var(--ink-2); z-index: 490;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1.6rem;
  transform: translateY(-100%); opacity: 0; transition: transform 0.35s ease, opacity 0.35s ease; pointer-events: none;
}
.mobile-nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
.mobile-nav a { font-size: 1.3rem; font-weight: 700; }

/* ============ HERO ============ */
.hero {
  min-height: 88vh; display: flex; flex-direction: column; justify-content: center;
  position: relative; padding: calc(var(--nav-h) + 0.5rem) 1.5rem 2.5rem;
  background:
    radial-gradient(circle at 15% 20%, rgba(245,166,35,0.18), transparent 45%),
    radial-gradient(circle at 85% 75%, rgba(124,58,237,0.22), transparent 45%),
    var(--ink);
}
.hero .wrap { text-align: center; }
.hero h1 {
  font-size: clamp(2.4rem, 7vw, 5rem);
  background: linear-gradient(120deg, #fff, var(--accent) 60%, var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 0.6rem;
}
.hero .sub { font-size: clamp(1.05rem, 2.4vw, 1.4rem); color: var(--text-dim); max-width: 640px; margin: 0 auto 2.2rem; }
.hero .meta-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.7rem; margin-bottom: 2.6rem; }
.pill {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: rgba(246,245,241,0.06); border: 1px solid var(--line);
  padding: 0.5rem 1rem; border-radius: 999px; font-size: 0.86rem; font-weight: 600; color: var(--text-dim);
}
.pill-lg { font-size: 1.15rem; font-weight: 700; padding: 0.75rem 1.4rem; color: var(--paper); }
.countdown {
  display: grid; grid-auto-flow: column; gap: 0.9rem; justify-content: center; margin: 0 auto;
}
.countdown .cell { text-align: center; min-width: 76px; }
.countdown .num {
  font-size: clamp(1.8rem, 5vw, 2.6rem); font-weight: 800;
  background: rgba(246,245,241,0.05); border: 1px solid var(--line); border-radius: 16px;
  padding: 0.6rem 0.3rem; font-variant-numeric: tabular-nums;
}
.countdown .lbl { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-dim-2); margin-top: 0.5rem; display: block; }
.scroll-cue { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); font-size: 0.78rem; color: var(--text-dim-2); display: flex; flex-direction: column; align-items: center; gap: 0.4rem; animation: bob 2.2s ease-in-out infinite; }
@keyframes bob { 0%,100% { transform: translate(-50%,0); } 50% { transform: translate(-50%,8px); } }

/* ============ STACK ============ */
.stack { position: relative; z-index: 1; }
.card {
  position: sticky; top: 0;
  min-height: 100vh;
  display: flex; align-items: flex-start;
  padding: var(--card-pt) 0 38vh;
  border-radius: var(--radius) var(--radius) 0 0;
  box-shadow: 0 -30px 60px -20px rgba(0,0,0,0.45);
  color: var(--paper);
}
.card .wrap {
  width: 100%;
  max-height: calc(100vh - var(--card-pt) - 2rem);
  overflow-y: auto;
  scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.35) transparent;
}
.card .wrap::-webkit-scrollbar { width: 6px; }
.card .wrap::-webkit-scrollbar-track { background: transparent; }
.card .wrap::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.3); border-radius: 3px; }
.card-inner { display: flex; flex-direction: column; gap: 2rem; }
.card h2 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); margin-bottom: 0.4rem; }
.card .lede { color: var(--text-dim); font-size: 1.2rem; max-width: none; }
.card .eyebrow { font-size: 0.9rem; }

.card-objetivo   { background: linear-gradient(160deg, var(--c-objetivo), #1E1B4B); }
.card-itinerario { background: linear-gradient(160deg, var(--c-itinerario), #042F2E); }
.card-lugares    { background: linear-gradient(160deg, var(--c-lugares), #2E1065); }
.card-empresas   { background: linear-gradient(160deg, var(--c-empresas), #1E3A8A); }
.card-costos     { background: linear-gradient(160deg, var(--c-costos), #431407); }
.card-requisitos { background: linear-gradient(160deg, var(--c-requisitos), #4C0519); }
.card-recos      { background: linear-gradient(160deg, var(--c-recos), #022C22); }
.card-reglas     { background: linear-gradient(160deg, #1F2937, #030712); }
.card-faq        { background: linear-gradient(160deg, var(--c-faq), #2E1065); }
.card-galeria    { background: linear-gradient(160deg, var(--c-galeria), #083344); }

/* generic content blocks reused across cards */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.box {
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.14);
  border-radius: 18px; padding: 1.4rem 1.5rem; backdrop-filter: blur(6px);
}
.box h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
.box p, .box li { color: var(--text-dim); font-size: 1.08rem; }
.check-list li { display: flex; gap: 0.65rem; align-items: flex-start; padding: 0.5rem 0; border-bottom: 1px solid rgba(255,255,255,0.08); font-size: 1.08rem; }
.check-list li:last-child { border-bottom: none; }
#requisitos .check-list li { color: var(--paper); }
.check-list .ico { flex: none; width: 22px; height: 22px; border-radius: 50%; background: rgba(255,255,255,0.15); display: flex; align-items: center; justify-content: center; font-size: 0.75rem; margin-top: 0.1rem; }

.btn {
  display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 700; font-size: 1.02rem;
  background: rgba(255,255,255,0.95); color: #111; padding: 0.7rem 1.3rem; border-radius: 999px;
  transition: transform var(--tr), box-shadow var(--tr); width: fit-content;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,0.25); }
.btn-ghost { background: transparent; color: var(--paper); border: 1px solid rgba(255,255,255,0.4); }

/* ---- Itinerario timeline ---- */
.timeline { display: flex; flex-direction: column; }
.t-item { display: grid; grid-template-columns: 90px 24px 1fr; gap: 0.5rem; position: relative; }
.t-time { font-weight: 800; font-size: 1.08rem; padding-top: 0.15rem; }
.t-dot-col { display: flex; flex-direction: column; align-items: center; }
.t-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--accent); margin-top: 0.3rem; flex: none; }
.t-line { flex: 1; width: 2px; background: rgba(255,255,255,0.18); margin-top: 4px; }
.t-item:last-child .t-line { display: none; }
.t-content { padding-bottom: 1.7rem; }
.t-content strong { display: block; font-size: 1.15rem; margin-bottom: 0.2rem; }
.t-content span { color: var(--text-dim); font-size: 1.03rem; }

/* ---- Lugares ---- */
.place-card { display: flex; flex-direction: column; gap: 0.8rem; }
.map-frame { width: 100%; aspect-ratio: 16/10; border-radius: 16px; overflow: hidden; border: 1px solid rgba(255,255,255,0.15); }
.map-frame iframe { width: 100%; height: 100%; border: 0; }

/* ---- Costos / tabla de pagos ---- */
.pay-table { width: 100%; border-collapse: collapse; }
.pay-table th, .pay-table td { text-align: left; padding: 0.85rem 0.6rem; border-bottom: 1px solid rgba(255,255,255,0.15); font-size: 1.05rem; }
.pay-table th { color: var(--text-dim); font-weight: 700; text-transform: uppercase; font-size: 0.82rem; letter-spacing: 0.05em; }
.pay-table td strong { font-size: 1.2rem; }
.badge { display: inline-block; padding: 0.22rem 0.6rem; border-radius: 999px; font-size: 0.82rem; font-weight: 700; background: rgba(255,255,255,0.15); }
.days-left { font-size: 0.88rem; color: var(--accent); font-weight: 700; margin-top: 0.15rem; }

/* ---- Reglas ---- */
.rule-card { border-left: 3px solid var(--accent-2); padding-left: 1rem; }

/* ---- FAQ ---- */
.faq-item { border-bottom: 1px solid rgba(255,255,255,0.15); }
.faq-q { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1.1rem 0; text-align: left; font-weight: 700; font-size: 1.15rem; }
.faq-q .plus { flex: none; font-size: 1.3rem; transition: transform var(--tr); color: var(--accent); }
.faq-item.open .faq-q .plus { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-item.open .faq-a { max-height: 340px; }
.faq-a p { padding: 0 0 1.1rem; color: var(--text-dim); font-size: 1.05rem; }

/* ---- Galeria: carrusel ---- */
.carousel-wrap { position: relative; display: flex; align-items: center; gap: 0.6rem; }
.gallery-carousel {
  display: flex; gap: 1rem; overflow-x: auto; scroll-snap-type: x mandatory;
  scroll-behavior: smooth; padding: 0.4rem 0.2rem 1rem;
  scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.35) transparent;
}
.gallery-carousel::-webkit-scrollbar { height: 6px; }
.gallery-carousel::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.3); border-radius: 3px; }
.gallery-carousel .tile {
  flex: none; width: 240px; aspect-ratio: 1; border-radius: 14px; scroll-snap-align: start;
  overflow: hidden; cursor: pointer;
  border: 1px solid rgba(255,255,255,0.2);
  transition: transform var(--tr), border-color var(--tr);
}
.gallery-carousel .tile img {
  width: 100%; height: 100%; object-fit: cover;
  user-select: none; -webkit-user-drag: none; -webkit-touch-callout: none; pointer-events: none;
}
.gallery-carousel .tile:hover { transform: translateY(-4px); border-color: rgba(255,255,255,0.5); }
.carousel-arrow {
  flex: none; width: 42px; height: 42px; border-radius: 50%;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.25);
  color: var(--paper); font-size: 1.4rem; line-height: 1; display: flex; align-items: center; justify-content: center;
  transition: background var(--tr);
}
.carousel-arrow:hover { background: rgba(255,255,255,0.22); }

/* ---- Lightbox ---- */
.lightbox {
  position: fixed; inset: 0; z-index: 900; background: rgba(5,6,12,0.92);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.25s ease;
}
.lightbox.open { opacity: 1; pointer-events: auto; }
.lightbox-tile {
  max-width: min(85vw, 900px); max-height: 82vh; border-radius: 12px; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.lightbox-tile img {
  max-width: min(85vw, 900px); max-height: 82vh; width: auto; height: auto; border-radius: 12px; display: block;
  user-select: none; -webkit-user-drag: none; -webkit-touch-callout: none; pointer-events: none;
}
.lightbox-close {
  position: absolute; top: 1.5rem; right: 1.5rem; width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.25); color: var(--paper); font-size: 1.1rem;
}
.lightbox-nav {
  position: absolute; top: 50%; transform: translateY(-50%); width: 52px; height: 52px; border-radius: 50%;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.25); color: var(--paper); font-size: 1.8rem; line-height: 1;
}
.lightbox-prev { left: 1.5rem; }
.lightbox-next { right: 1.5rem; }

/* ============ FOOTER ============ */
footer {
  position: relative; z-index: 2; background: var(--ink); padding: 3.5rem 1.5rem 2.5rem;
  border-top: 1px solid var(--line); text-align: center;
}
footer h3 { font-size: 1.6rem; margin-bottom: 0.6rem; }
footer p { color: var(--text-dim); margin-bottom: 1.6rem; font-size: 1.1rem; }
footer .foot-links { display: flex; justify-content: center; gap: 1.4rem; margin-bottom: 1.6rem; flex-wrap: wrap; }
footer .foot-links a { color: var(--text-dim); font-size: 1rem; font-weight: 600; }
footer .foot-links a:hover { color: var(--paper); }
footer .fine-row {
  display: flex; justify-content: space-between; align-items: center; gap: 0.8rem;
  flex-wrap: wrap; max-width: var(--max); margin: 0 auto; text-align: left;
}
footer .fine { color: var(--text-dim-2); font-size: 0.88rem; }

/* ============ SCROLL-IN ANIM ============ */
[data-anim] { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-anim].in { opacity: 1; transform: none; }

/* ============ RESPONSIVE ============ */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .burger { display: flex; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .gallery-carousel .tile { width: 180px; }
  .carousel-arrow { width: 34px; height: 34px; font-size: 1.1rem; }
  .lightbox-tile { width: min(85vw, 640px); }
  .lightbox-nav { width: 40px; height: 40px; font-size: 1.4rem; }
  .lightbox-prev { left: 0.6rem; }
  .lightbox-next { right: 0.6rem; }
  /* Sin efecto stacking cards en móvil: flujo normal, sin position:sticky */
  .card {
    --card-pt: calc(var(--nav-h) + 2.2rem);
    position: relative; top: auto;
    padding-bottom: 3rem;
    min-height: auto;
    box-shadow: 0 -14px 30px -20px rgba(0,0,0,0.4);
  }
  .card .wrap { max-height: none; overflow-y: visible; }
  .card .card-inner { will-change: transform; }
  .t-item { grid-template-columns: 70px 20px 1fr; }
  .countdown { gap: 0.5rem; }
  .countdown .cell { min-width: 60px; }
  .countdown .num { font-size: 1.4rem; padding: 0.5rem 0.2rem; }
}