:root {
  --navy-950: #040b1f;
  --navy-900: #081536;
  --navy-800: #0d2152;
  --azul: #1b3a8c;
  --azul-vivo: #2d5fd3;
  --celeste: #9dbcff;
  --crema: #f3ede2;
  --crema-60: rgba(243, 237, 226, .62);
  --rojo: #d42a3d;
  --linea: rgba(157, 188, 255, .18);
  --serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --sans: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --gutter: 20px;
  --radio: 18px;
  --spring: cubic-bezier(.22, 1.2, .36, 1);
  --salida: cubic-bezier(.16, 1, .3, 1);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--navy-950);
  color: var(--crema);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
}
body.visor-abierto { overflow: hidden; }
img { display: block; max-width: 100%; }
button { font: inherit; color: inherit; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
  padding: calc(env(safe-area-inset-top) + 48px) var(--gutter) 110px;
}
.hero__bg { position: absolute; inset: -12% 0 -12%; z-index: -3; will-change: transform; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; filter: grayscale(1) contrast(1.1); }
.hero__tint {
  position: absolute; inset: 0; z-index: -2;
  background:
    radial-gradient(120% 70% at 50% 35%, rgba(27, 58, 140, .35), transparent 60%),
    linear-gradient(180deg, rgba(4, 11, 31, .55) 0%, rgba(8, 21, 54, .82) 55%, var(--navy-950) 100%);
  mix-blend-mode: normal;
}
.hero__tint::after {
  content: ""; position: absolute; inset: 0;
  background: var(--azul); mix-blend-mode: color; opacity: .55;
}
.hero__num {
  position: absolute; z-index: -1; top: 50%; left: 50%;
  translate: -50% -58%;
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(220px, 68vw, 560px); line-height: 1; letter-spacing: -.04em;
  color: transparent; -webkit-text-stroke: 1.5px rgba(157, 188, 255, .28);
  will-change: transform; user-select: none;
}
.hero__content { text-align: center; max-width: 560px; will-change: transform; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px; margin: 0 0 22px;
  font-size: 13px; font-weight: 600; letter-spacing: .32em; color: var(--celeste);
}
.eyebrow i { width: 34px; height: 1px; background: currentColor; opacity: .6; }
.hero__escudo {
  width: clamp(120px, 34vw, 170px); height: auto; margin: 0 auto 26px;
  filter: drop-shadow(0 18px 40px rgba(0, 0, 0, .55));
  animation: entra-escudo 1.2s var(--salida) both;
}
.hero h1 {
  margin: 0; font-family: var(--serif); font-weight: 500;
  font-size: clamp(44px, 13vw, 88px); line-height: 1; letter-spacing: -.01em;
  animation: entra 1s .15s var(--salida) both;
}
.hero h1 em { font-style: italic; color: var(--celeste); }
.hero__sub {
  margin: 18px auto 0; max-width: 32ch; color: var(--crema-60); font-size: 15px;
  animation: entra 1s .3s var(--salida) both;
}
.hero__cue {
  position: absolute; bottom: calc(env(safe-area-inset-bottom) + 28px); left: 50%; translate: -50% 0;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 20px; border-radius: 999px;
  border: 1px solid var(--linea); background: rgba(8, 21, 54, .55);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  color: var(--crema); text-decoration: none; font-size: 14px; font-weight: 600;
  animation: entra 1s .5s var(--salida) both;
}
.hero__cue svg { animation: flota 2.2s ease-in-out infinite; }

@keyframes entra { from { opacity: 0; transform: translateY(18px); } }
@keyframes entra-escudo { from { opacity: 0; transform: translateY(24px) scale(.88); } }
@keyframes flota { 50% { transform: translateY(4px); } }

/* ---------- Intro ---------- */
.intro { padding: 56px var(--gutter) 8px; max-width: 620px; margin: 0 auto; text-align: center; }
.intro__kicker { margin: 0 0 10px; font-family: var(--serif); font-style: italic; font-size: 22px; color: var(--celeste); }
.intro__text { margin: 0; color: var(--crema-60); }

/* ---------- Tarjetas ---------- */
.propuestas { padding: 40px var(--gutter) 72px; max-width: 1140px; margin: 0 auto; }
.section-title {
  display: flex; align-items: center; gap: 14px;
  margin: 48px 0 20px; font-family: var(--serif); font-weight: 500; font-size: 26px;
}
.section-title::after { content: ""; flex: 1; height: 1px; background: var(--linea); }
.grid { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
@media (min-width: 640px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .grid { grid-template-columns: repeat(3, 1fr); } }

.card {
  position: relative; display: block; width: 100%; padding: 0; text-align: left;
  border: 1px solid var(--linea); border-radius: var(--radio); overflow: hidden;
  background: linear-gradient(160deg, var(--navy-800), var(--navy-900));
  cursor: pointer; isolation: isolate;
  transition: transform .5s var(--spring), border-color .3s, box-shadow .4s;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .25);
}
.card:active { transform: scale(.965); transition-duration: .12s; }
.card:focus-visible { outline: 2px solid var(--celeste); outline-offset: 3px; }
@media (hover: hover) {
  .card:hover { transform: translateY(-4px); border-color: rgba(157, 188, 255, .45); box-shadow: 0 20px 50px rgba(0, 0, 0, .4); }
  .card:hover .card__img img { scale: 1.06; }
  .card:hover .card__flecha { background: var(--crema); color: var(--navy-900); }
}
.card__img { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--navy-900); }
.card__img img {
  width: 100%; height: 118%; object-fit: cover; margin-top: -9%;
  transition: scale .8s var(--salida);
  will-change: transform;
}
.card__img::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(8, 21, 54, .9) 100%);
}
.card__num {
  position: absolute; top: 12px; left: 14px; z-index: 1;
  font-family: var(--serif); font-size: 15px; color: var(--crema);
  padding: 3px 10px; border-radius: 999px; background: rgba(4, 11, 31, .55);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.card__body { display: flex; align-items: center; gap: 14px; padding: 16px 16px 18px; }
.card__txt { flex: 1; min-width: 0; }
.card__txt h3 { margin: 0 0 3px; font-family: var(--serif); font-weight: 500; font-size: 21px; line-height: 1.2; }
.card__txt p { margin: 0; font-size: 13.5px; color: var(--crema-60); }
.card__meta { display: block; margin-top: 6px; font-size: 12px; font-weight: 600; letter-spacing: .08em; color: var(--celeste); }
.card__flecha {
  flex: none; display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--linea); transition: background .3s, color .3s, transform .5s var(--spring);
}
.card:active .card__flecha { transform: translateX(4px); }
/* brillo que cruza al tocar */
.card::after {
  content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, .16) 50%, transparent 65%);
  translate: -120% 0;
}
.card.brilla::after { animation: brillo .7s var(--salida); }
@keyframes brillo { to { translate: 120% 0; } }

.card--pronto { cursor: default; }
.card--pronto .card__img img { filter: grayscale(.85) brightness(.6); }
.card--pronto .card__meta { color: var(--crema-60); }
.badge {
  position: absolute; top: 12px; right: 14px; z-index: 1;
  font-size: 11px; font-weight: 700; letter-spacing: .1em;
  padding: 4px 10px; border-radius: 999px; background: var(--crema); color: var(--navy-900);
}

/* destacada: presentación completa */
.card--destacada .card__img { aspect-ratio: 16 / 9; }
@media (min-width: 760px) {
  .card--destacada { display: grid; grid-template-columns: 1.4fr 1fr; }
  .card--destacada .card__img { aspect-ratio: auto; min-height: 300px; }
  .card--destacada .card__body { padding: 28px; }
}
.card--destacada .card__txt h3 { font-size: 26px; }

/* ---------- Banda parallax ---------- */
.banda { position: relative; height: 70svh; min-height: 380px; overflow: hidden; display: grid; place-items: center; isolation: isolate; }
.banda__img { position: absolute; inset: -20% 0; z-index: -2; will-change: transform; }
.banda__img img { width: 100%; height: 100%; object-fit: cover; }
.banda__tint { position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, var(--navy-950), rgba(8, 21, 54, .45) 30%, rgba(8, 21, 54, .45) 70%, var(--navy-950)); }
.banda__quote {
  margin: 0; padding: 0 var(--gutter); max-width: 22ch; text-align: center;
  font-family: var(--serif); font-style: italic; font-size: clamp(26px, 7vw, 44px); line-height: 1.2;
  text-shadow: 0 4px 30px rgba(0, 0, 0, .5);
}

.pie { padding: 56px var(--gutter) calc(env(safe-area-inset-bottom) + 48px); text-align: center; color: var(--crema-60); }
.pie img { margin: 0 auto 10px; filter: invert(1) brightness(.95); opacity: .9; }
.pie p { margin: 0 0 18px; font-family: var(--serif); font-style: italic; }
.pie small { font-size: 12px; opacity: .7; }

/* aparición al hacer scroll */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--salida), transform .9s var(--salida); }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Visor ---------- */
.visor {
  position: fixed; inset: 0; z-index: 50; display: flex; flex-direction: column;
  background: var(--navy-950);
  transform: translateY(100%); transition: transform .55s var(--salida);
}
.visor.abierto { transform: none; }
.visor[hidden] { display: none; }
.visor__bar {
  position: relative; flex: none; display: flex; align-items: center; gap: 10px;
  padding: calc(env(safe-area-inset-top) + 10px) 12px 10px;
  background: rgba(8, 21, 54, .92); border-bottom: 1px solid var(--linea);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.visor__titulos { flex: 1; min-width: 0; }
.visor__eyebrow { margin: 0; font-size: 11px; font-weight: 600; letter-spacing: .14em; color: var(--celeste); }
.visor__titulos h2 { margin: 0; font-family: var(--serif); font-weight: 500; font-size: 19px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.visor__progreso { position: absolute; left: 0; bottom: -1px; height: 2px; width: 0; background: var(--celeste); transition: width .3s, opacity .4s; }

.btn-icon {
  flex: none; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--linea); background: rgba(255, 255, 255, .04); color: var(--crema);
  cursor: pointer; text-decoration: none; transition: transform .4s var(--spring), background .2s;
}
.btn-icon:active { transform: scale(.88); background: rgba(255, 255, 255, .12); }
.btn-icon.sm { width: 36px; height: 36px; }
.btn-icon:disabled { opacity: .35; }

.visor__scroll { flex: 1; overflow: auto; -webkit-overflow-scrolling: touch; overscroll-behavior: contain; }
.visor__paginas { padding: 14px 10px 0; display: flex; flex-direction: column; align-items: center; gap: 12px; width: max-content; min-width: 100%; }
.pagina {
  position: relative; background: #fff; border-radius: 6px; overflow: hidden;
  box-shadow: 0 8px 28px rgba(0, 0, 0, .45);
}
.pagina canvas { display: block; width: 100%; height: 100%; }
.pagina::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, var(--navy-800) 30%, var(--azul) 50%, var(--navy-800) 70%) 0 0 / 300% 100%;
  animation: shimmer 1.4s linear infinite;
}
.pagina.lista::before { display: none; }
@keyframes shimmer { to { background-position: -150% 0; } }

/* sticky a la izquierda: con zoom el contenedor scrollea en horizontal y el cierre debe seguir a la vista */
.visor__fin { position: sticky; left: 0; padding: 28px 16px calc(env(safe-area-inset-bottom) + 96px); }
.visor__fin h3 { margin: 0 0 14px; text-align: center; font-family: var(--serif); font-weight: 500; font-size: 20px; color: var(--crema-60); }
.visor__fin .acciones { display: grid; gap: 12px; max-width: 520px; margin: 0 auto; }
.btn {
  display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%;
  min-height: 52px; padding: 12px 18px; border-radius: 14px; cursor: pointer;
  border: 1px solid var(--linea); background: rgba(255, 255, 255, .04);
  font-weight: 600; transition: transform .4s var(--spring), background .2s;
}
.btn:active { transform: scale(.97); }
.btn--primario { background: var(--crema); color: var(--navy-900); border-color: transparent; }
.btn small { font-weight: 500; opacity: .7; }

.visor__tools {
  position: absolute; left: 50%; bottom: calc(env(safe-area-inset-bottom) + 16px); translate: -50% 0;
  display: flex; align-items: center; gap: 14px; padding: 6px 6px 6px 16px; border-radius: 999px;
  background: rgba(8, 21, 54, .88); border: 1px solid var(--linea);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .4); font-size: 13px; font-weight: 600;
  white-space: nowrap;
}
.visor__pag { min-width: 48px; font-variant-numeric: tabular-nums; }
.zoom { display: flex; align-items: center; gap: 6px; }
.zoom span { min-width: 42px; text-align: center; font-variant-numeric: tabular-nums; color: var(--celeste); }

.visor__hint {
  position: absolute; left: 50%; bottom: calc(env(safe-area-inset-bottom) + 76px); translate: -50% 0;
  margin: 0; padding: 8px 14px; border-radius: 999px; background: var(--crema); color: var(--navy-900);
  font-size: 12.5px; font-weight: 600; white-space: nowrap;
  opacity: 0; transform: translateY(8px); pointer-events: none; transition: opacity .4s, transform .4s var(--salida);
}
.visor__hint.visible { opacity: 1; transform: none; }
.visor__error { padding: 40px 20px; text-align: center; color: var(--crema-60); }

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