/* ============================================================
   BASE — reset, tipografía, utilidades, accesibilidad, textura
   ============================================================ */

*,
*::before,
*::after { box-sizing: border-box; }

* { margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 6.5rem;
  scrollbar-color: var(--sala-500) var(--sala-950);
  scrollbar-width: thin;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  font-weight: 400;
  color: var(--texto-medio);
  background-color: var(--sala);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  min-height: 100svh;
}

body.is-locked { overflow: hidden; }

img, picture, svg, video, canvas { display: block; max-width: 100%; }
img { height: auto; border-style: none; }

input, button, textarea, select { font: inherit; color: inherit; }
button { background: none; border: none; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ---------- Titulares: Cormorant Garamond ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: var(--lh-snug);
  letter-spacing: var(--tr-tight);
  color: var(--texto-alto);
  text-wrap: balance;
}

p { text-wrap: pretty; }
strong, b { font-weight: 600; color: var(--texto-alto); }

::selection { background: var(--luz); color: var(--sala); }

/* ---------- Foco visible (teclado) ---------- */
:focus-visible {
  outline: 2px solid var(--luz-clara);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}
:focus:not(:focus-visible) { outline: none; }

@supports selector(::-webkit-scrollbar) {
  ::-webkit-scrollbar { width: 10px; height: 10px; }
  ::-webkit-scrollbar-track { background: var(--sala-950); }
  ::-webkit-scrollbar-thumb {
    background: var(--sala-500);
    border-radius: var(--r-pill);
    border: 2px solid var(--sala-950);
  }
  ::-webkit-scrollbar-thumb:hover { background: var(--luz-honda); }
}

/* ---------- Lenis (scroll suave) ---------- */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: hidden; }

/* Sin Lenis, el scroll a un ancla es suave de forma nativa */
html:not(.lenis) { scroll-behavior: smooth; }

/* ============================================================
   UTILIDADES
   ============================================================ */

.u-wrap {
  width: 100%;
  min-width: 0;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.u-wrap--angosto { max-width: var(--maxw-angosto); }

.u-seccion {
  position: relative;
  padding-block: var(--seccion-y);
}

.u-sr {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.u-saltar {
  position: fixed;
  top: var(--sp-4); left: var(--sp-4);
  z-index: 200;
  padding: var(--sp-3) var(--sp-5);
  background: var(--luz);
  color: var(--sala);
  font-weight: 600;
  font-size: var(--fs-sm);
  border-radius: var(--r-sm);
  transform: translateY(-200%);
  transition: transform var(--dur-media) var(--ease-expo);
}
.u-saltar:focus-visible { transform: translateY(0); }

/* Antetítulo: mayúsculas con tracking amplio, dorado */
.u-antetitulo {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--font-body);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: var(--tr-eyebrow);
  text-transform: uppercase;
  color: var(--luz);
  line-height: 1.4;
}
.u-antetitulo::before,
.u-antetitulo--centro::after {
  content: "";
  width: clamp(1.25rem, 4vw, 2.75rem);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--luz));
  flex: none;
}
.u-antetitulo--centro::after { background: linear-gradient(90deg, var(--luz), transparent); }

.u-lead {
  font-size: var(--fs-lead);
  line-height: var(--lh-loose);
  color: var(--texto-medio);
  font-weight: 300;
}

/* Dorado plano con resplandor (nunca degradado metálico) */
.u-luz {
  color: var(--luz);
  text-shadow: 0 0 38px rgba(230, 171, 88, 0.35);
}
.u-cursiva { font-style: italic; }

.u-filete {
  height: 1px; border: 0;
  background: linear-gradient(90deg, transparent, var(--linea-fuerte) 22%, var(--linea-fuerte) 78%, transparent);
}
.u-filete--luz {
  background: linear-gradient(90deg, transparent, var(--linea-luz) 22%, var(--linea-luz) 78%, transparent);
}

/* ============================================================
   GRANO DE PELÍCULA Y VIÑETA
   ============================================================ */

.grano {
  position: fixed;
  inset: -150%;
  z-index: var(--z-grano);
  pointer-events: none;
  opacity: 0.32;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  animation: grano-deriva 6s steps(6) infinite;
  will-change: transform;
}

@keyframes grano-deriva {
  0%   { transform: translate3d(0, 0, 0); }
  16%  { transform: translate3d(-2%, -3%, 0); }
  33%  { transform: translate3d(3%, -1%, 0); }
  50%  { transform: translate3d(-1%, 2%, 0); }
  66%  { transform: translate3d(2%, 3%, 0); }
  83%  { transform: translate3d(-3%, 1%, 0); }
  100% { transform: translate3d(0, 0, 0); }
}

/* En celulares el grano animado con mezcla (overlay) a pantalla completa es
   muy costoso: se deja un velo estático y casi imperceptible. */
@media (pointer: coarse), (max-width: 760px) {
  .grano {
    inset: 0;
    animation: none;
    mix-blend-mode: normal;
    opacity: 0.05;
    will-change: auto;
  }
}

.vineta {
  position: fixed;
  inset: 0;
  z-index: var(--z-vineta);
  pointer-events: none;
  background: radial-gradient(125% 95% at 50% 38%, transparent 45%, rgba(0, 3, 10, 0.6) 100%);
}

/* ============================================================
   REVELADO AL ENTRAR EN PANTALLA
   El estado inicial solo aplica si JS confirma soporte (.js en <html>).
   Sin JS todo se ve.
   ============================================================ */

.js [data-reveal] { opacity: 0; will-change: opacity, transform; }

.js [data-reveal="up"] {
  transform: translate3d(0, 2.5rem, 0);
  transition:
    opacity var(--dur-revelado) var(--ease-expo) var(--retardo, 0ms),
    transform var(--dur-revelado) var(--ease-expo) var(--retardo, 0ms);
}
.js [data-reveal="fade"] {
  transition: opacity var(--dur-revelado) var(--ease-quart) var(--retardo, 0ms);
}
.js [data-reveal="scale"] {
  transform: scale(0.94);
  transition:
    opacity var(--dur-revelado) var(--ease-expo) var(--retardo, 0ms),
    transform var(--dur-revelado) var(--ease-resorte) var(--retardo, 0ms);
}

/* Barrido de luz: el contenido se descubre como si un foco recorriera
   el escenario. JS quita el clip-path al terminar (.sin-clip). */
.js [data-reveal="barrido"] {
  clip-path: inset(0 100% 0 0);
  transition:
    opacity 1ms linear var(--retardo, 0ms),
    clip-path var(--dur-revelado) var(--ease-telon) var(--retardo, 0ms);
}
.js [data-reveal="barrido"].is-in { clip-path: inset(0 0 0 0); }
.js [data-reveal="barrido"].sin-clip { clip-path: none; }

.js [data-reveal].is-in {
  opacity: 1;
  transform: none;
  will-change: auto;
}

/* Titulares por palabras: cada palabra sube desde detrás de una máscara.
   La máscara recorta SOLO por abajo; por arriba y por los lados deja
   libre la tinta (tildes de las mayúsculas, cursivas). */
.palabra {
  display: inline-block;
  vertical-align: top;
  clip-path: inset(-0.5em -0.2em -0.06em -0.2em);
}
.palabra__in {
  display: inline-block;
}
.js .palabra__in {
  transform: translate3d(0, 125%, 0);
  transition: transform var(--dur-revelado) var(--ease-expo) var(--retardo-palabra, 0ms);
  will-change: transform;
}
.js .is-in .palabra__in,
.js .palabra.is-in .palabra__in {
  transform: translate3d(0, 0, 0);
  will-change: auto;
}

/* ============================================================
   MOVIMIENTO REDUCIDO
   Se apaga lo decorativo; la jerarquía y el contenido se conservan.
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto !important; }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .js [data-reveal],
  .js .palabra__in {
    opacity: 1 !important;
    transform: none !important;
    clip-path: none !important;
  }

  .grano { animation: none; opacity: 0.2; }
}