/* =====================================================================
   Colegio Mayor Alexander Friedman · Ciudad Municipal — Portada
   Un solo CSS. Paleta exacta del colegio (solo esos tonos y sus
   transparencias) y Montserrat servida en local.
   ===================================================================== */

/* ---------- Fuentes locales ---------- */
@font-face { font-family: "Montserrat"; src: url("../assets/fuentes/Montserrat-Regular.ttf") format("truetype"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Montserrat"; src: url("../assets/fuentes/Montserrat-Italic.ttf") format("truetype"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Montserrat"; src: url("../assets/fuentes/Montserrat-SemiBold.ttf") format("truetype"); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: "Montserrat"; src: url("../assets/fuentes/Montserrat-Bold.ttf") format("truetype"); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Montserrat"; src: url("../assets/fuentes/Montserrat-ExtraBold.ttf") format("truetype"); font-weight: 800; font-style: normal; font-display: swap; }
@font-face { font-family: "Montserrat"; src: url("../assets/fuentes/Montserrat-Black.ttf") format("truetype"); font-weight: 900; font-style: normal; font-display: swap; }

/* ---------- Variables ---------- */
:root {
  --azul: #005BAB;
  --dorado: #CD8E3F;
  --rojo: #ED1C24;
  --tinta: #231F20;
  --crema: #FDF7EF;
  --blanco: #FFFFFF;

  --azul-12: rgba(0, 91, 171, .12);
  --oro-35: rgba(205, 142, 63, .35);
  --tinta-08: rgba(35, 31, 32, .08);
  --tinta-60: rgba(35, 31, 32, .6);

  --sombra-suave: 0 10px 30px -12px rgba(35, 31, 32, .22);
  --sombra-alta: 0 24px 48px -18px rgba(0, 91, 171, .38);

  --radio: 14px;
  --barra-alto: 88px;
  --ancho: 1180px;
  --curva: cubic-bezier(.2, .8, .2, 1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Montserrat", system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--tinta);
  background: var(--blanco);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.sin-scroll { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
abbr[title] { text-decoration: none; }

a:focus-visible, button:focus-visible {
  outline: 3px solid var(--dorado);
  outline-offset: 3px;
  border-radius: 6px;
}

.contenedor { width: min(100% - 2.5rem, var(--ancho)); margin-inline: auto; }

.saltar {
  position: absolute; left: 1rem; top: -60px; z-index: 200;
  padding: .7rem 1.1rem; border-radius: 8px;
  background: var(--tinta); color: var(--blanco); font-weight: 700;
  transition: top .25s ease;
}
.saltar:focus { top: 1rem; }

.icono { width: 1.05em; height: 1.05em; fill: currentColor; flex: none; }

/* ---------- Botones ---------- */
.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  padding: .95rem 1.6rem;
  border-radius: 999px; border: 2px solid transparent;
  font-weight: 700; font-size: .95rem; letter-spacing: .01em; line-height: 1.1;
  transition: transform .3s var(--curva), box-shadow .3s ease, background-color .3s ease, color .3s ease, border-color .3s ease;
}
.boton:hover { transform: translateY(-3px); }
.boton:active { transform: translateY(0); }
.boton--rojo { background-color: var(--rojo); color: var(--blanco); box-shadow: 0 10px 22px -10px rgba(237, 28, 36, .7); }
.boton--rojo:hover { box-shadow: 0 16px 30px -10px rgba(237, 28, 36, .8); }
.boton--azul { background-color: var(--azul); color: var(--blanco); box-shadow: 0 10px 22px -10px rgba(0, 91, 171, .7); }
.boton--azul:hover { box-shadow: 0 16px 30px -10px rgba(0, 91, 171, .8); }
.boton--contorno { border-color: rgba(255, 255, 255, .55); color: var(--blanco); }
.boton--contorno:hover { border-color: var(--dorado); background-color: rgba(205, 142, 63, .16); }
.boton--blanco { background: var(--blanco); color: var(--rojo); }
.boton--blanco:hover { box-shadow: 0 14px 28px -12px rgba(35, 31, 32, .55); }

/* ---------- Filete dorado (como en los tomos) ---------- */
.filete-oro {
  position: relative; display: block;
  width: 96px; height: 2px; margin-top: 1.1rem;
  background: linear-gradient(90deg, var(--dorado), rgba(205, 142, 63, .25));
  transform-origin: left center;
}
.filete-oro::after {
  content: ""; position: absolute; left: -2px; top: 50%;
  width: 8px; height: 8px; background: var(--dorado);
  transform: translateY(-50%) rotate(45deg);
}
.filete-oro--corto { width: 64px; margin: 0 auto 1.2rem; }

/* ---------- Pastillas, cabezas y títulos ---------- */
.pildora {
  display: inline-block;
  padding: .35rem .9rem;
  border: 1px solid var(--oro-35);
  border-radius: 999px;
  font-size: .72rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
  color: var(--azul);
}
.pildora--oro { border-color: var(--dorado); color: var(--dorado); }
.pildora--blanca { border-color: rgba(255, 255, 255, .6); color: var(--blanco); }

.eyebrow { font-size: .78rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; }
.eyebrow--claro { color: rgba(255, 255, 255, .78); }

.seccion { position: relative; padding: clamp(4.5rem, 9vw, 7.5rem) 0; }
.seccion--crema { background: var(--crema); color: var(--tinta); }

.cabeza { max-width: 760px; margin-bottom: clamp(2.5rem, 5vw, 3.75rem); }
.cabeza .titulo { margin-top: 1rem; }
.cabeza__lema { margin-top: 1.1rem; font-weight: 700; font-style: italic; color: var(--dorado); }
.titulo {
  font-size: clamp(1.9rem, 4.2vw, 3rem);
  font-weight: 800; line-height: 1.12; letter-spacing: -.02em;
  color: var(--rojo);
  text-wrap: balance;
}
.titulo--claro { color: var(--blanco); }

/* =====================================================================
   1 · Barra de navegación
   ===================================================================== */
.barra {
  position: fixed; inset: 0 0 auto; z-index: 100;
  background: var(--blanco); color: var(--tinta);
  border-bottom: 1px solid rgba(205, 142, 63, .25);
  transition: box-shadow .35s ease, background-color .35s ease, border-color .35s ease;
}
.barra__dentro {
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  height: var(--barra-alto);
  width: min(100% - 2.5rem, 1280px); margin-inline: auto;
  transition: height .35s var(--curva);
}
.barra--compacta { box-shadow: 0 10px 30px -14px rgba(35, 31, 32, .35); }
.barra--compacta .barra__dentro { height: 64px; }
.barra--compacta .marca__escudo { height: 42px; }

.marca { display: flex; align-items: center; gap: .8rem; }
.marca__escudo { width: auto; height: 48px; transition: height .35s var(--curva), transform .4s var(--curva); }
.marca:hover .marca__escudo { transform: rotate(-4deg) scale(1.04); }
.marca__texto { display: flex; flex-direction: column; line-height: 1.1; }
.marca__nombre { font-weight: 800; font-size: 1.05rem; color: var(--azul); letter-spacing: -.01em; transition: color .35s ease; }

.menu { display: flex; align-items: center; gap: 2rem; }
.menu__lista { display: flex; gap: .6rem; }
.menu__enlace {
  position: relative; display: block;
  padding: .55rem .75rem;
  font-size: .92rem; font-weight: 600; color: var(--tinta);
  transition: color .25s ease;
}
.menu__enlace::after {
  content: ""; position: absolute; left: .75rem; right: .75rem; bottom: .3rem;
  height: 1px; background: var(--dorado);
  transform: scaleX(0); transform-origin: left;
  transition: transform .35s var(--curva);
}
.menu__enlace:hover, .menu__enlace--activo { color: var(--azul); }
.menu__enlace:hover::after, .menu__enlace--activo::after { transform: scaleX(1); }
/* «Llámanos»: píldora de hilo fino (el rojo vive en el borde, no en un bloque); se llena solo al pasar */
.menu__llamar {
  padding: .5rem 1rem; font-size: .86rem; font-weight: 600;
  border-width: 1px; border-color: var(--rojo); color: var(--rojo);
}
.menu__llamar .icono { width: 1em; height: 1em; }
.menu__llamar:hover { background-color: var(--rojo); color: var(--blanco); }

/* Al tope, la barra no compite: transparente sobre el hero, con un hilo claro.
   Al hacer scroll (.barra--compacta) se asienta con fondo blanco y sombra. Sin JS queda blanca. */
.js .barra:not(.barra--compacta) { background-color: transparent; border-bottom-color: rgba(255, 255, 255, .16); }
.js .barra:not(.barra--compacta) .marca__nombre { color: var(--blanco); }
.js .barra:not(.barra--compacta) .hamburguesa { background: rgba(255, 255, 255, .12); }
.js .barra:not(.barra--compacta) .hamburguesa span { background: var(--crema); }
.js .barra:not(.barra--compacta) .hamburguesa[aria-expanded="true"] span { background: var(--azul); }
@media (min-width: 961px) {
  .js .barra:not(.barra--compacta) .menu__enlace { color: rgba(255, 255, 255, .86); }
  .js .barra:not(.barra--compacta) .menu__enlace:hover,
  .js .barra:not(.barra--compacta) .menu__enlace--activo { color: var(--blanco); }
  .js .barra:not(.barra--compacta) .menu__llamar { border-color: rgba(255, 255, 255, .5); color: var(--blanco); }
  .js .barra:not(.barra--compacta) .menu__llamar:hover { border-color: var(--rojo); background-color: var(--rojo); }
}

.hamburguesa {
  display: none; position: relative; z-index: 120;
  width: 46px; height: 46px; border: 0; border-radius: 12px;
  background: var(--azul-12);
  transition: background-color .3s ease;
}
.hamburguesa:hover { background: rgba(0, 91, 171, .2); }
.hamburguesa span {
  position: absolute; left: 12px; right: 12px; height: 2px; border-radius: 2px;
  background: var(--azul);
  transition: transform .35s var(--curva), opacity .2s ease;
}
.hamburguesa span:nth-child(1) { top: 15px; }
.hamburguesa span:nth-child(2) { top: 22px; }
.hamburguesa span:nth-child(3) { top: 29px; }
.hamburguesa[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburguesa[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburguesa[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.velo {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(35, 31, 32, .5);
  opacity: 0; transition: opacity .3s ease;
}
.velo--visible { opacity: 1; }

/* =====================================================================
   2 · Hero
   ===================================================================== */
.hero {
  position: relative; overflow: hidden; isolation: isolate;
  min-height: 108vh; min-height: 108svh;
  padding: calc(var(--barra-alto) + clamp(4rem, 12vh, 8rem)) 0 clamp(8rem, 17vh, 11rem);
  display: flex; align-items: flex-end;
  background: var(--azul);
  color: var(--blanco);
}
/* Medio a sangre: la estampa de Arequipa cubre todo el lienzo, con el Misti hacia la derecha.
   El velo es de azul de marca (no de tinta): asegura el titular blanco a la izquierda y deja ver la estampa a la derecha. */
.hero__fondo { position: absolute; inset: -10% 0 0; z-index: -2; will-change: transform; background: var(--azul); }
.hero__estampa {
  width: 100%; height: 100%;
  object-fit: cover; object-position: 74% 62%;
  animation: asomar 1.8s var(--curva) .1s both;
}
.red { position: absolute; inset: 0; width: 100%; height: 100%; }
.red line { stroke: var(--dorado); stroke-width: 1; }
.red .nodo { fill: var(--dorado); }
.red .nodo--claro { fill: var(--blanco); }
.red .halo { fill: none; stroke: var(--dorado); stroke-width: 1; }

@keyframes asomar {
  from { opacity: 0; scale: 1.06; }
  to   { opacity: 1; scale: 1; }
}
.hero__velo {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(0, 91, 171, .42) 0%, rgba(0, 91, 171, 0) 18%),
    linear-gradient(90deg, rgba(0, 91, 171, .9) 0%, rgba(0, 91, 171, .84) 40%, rgba(0, 91, 171, .48) 64%, rgba(0, 91, 171, .08) 100%),
    linear-gradient(0deg, rgba(0, 91, 171, .86) 0%, rgba(0, 91, 171, 0) 40%);
}

.hero__dentro { position: relative; }
.hero__texto { max-width: 820px; }
.hero__eyebrow { display: flex; align-items: center; gap: .9rem; }
.hero__eyebrow::before { content: ""; width: 44px; height: 1px; background: var(--dorado); flex: none; }
.hero__titulo {
  margin-top: 1.8rem;
  font-size: clamp(2.75rem, 4.4vw + .9rem, 4.6rem);
  font-weight: 900; line-height: 1.02; letter-spacing: -.035em;
  color: var(--blanco);
  text-wrap: balance;
}
.palabra { display: inline-block; white-space: nowrap; }
.letra { display: inline-block; }
.js .letra {
  opacity: 0;
  transform: translateY(.55em) rotate(8deg);
  animation: letra .75s var(--curva) forwards;
  animation-delay: calc(250ms + var(--i, 0) * 38ms);
}
@keyframes letra {
  to { opacity: 1; transform: none; }
}
/* Un solo gesto en el hero; el único rojo es el «Llámanos» de la barra: el botón va en blanco con azul */
.hero__boton { color: var(--azul); }
.hero__filete { width: 120px; height: 2px; margin-top: 2.4rem; }
.hero__bajada { margin-top: 1.5rem; font-size: clamp(1.25rem, 1.6vw, 1.4rem); font-weight: 600; line-height: 1.4; color: rgba(255, 255, 255, .92); }

.hero__botones { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 2rem; margin-top: 2.8rem; }
.hero__boton .icono { transition: transform .35s var(--curva); }
.hero__boton:hover .icono, .hero__boton:focus-visible .icono { transform: translateX(5px); }

/* Entrada escalonada del bloque del hero */
.entra { animation: subir .9s var(--curva) both; animation-delay: calc(300ms + var(--d, 0) * 120ms); }
@keyframes subir {
  from { opacity: 0; transform: translateY(26px); }
  to   { opacity: 1; transform: none; }
}
.filete-oro.entra { animation-name: trazar; }
@keyframes trazar {
  from { opacity: 0; transform: scaleX(0); }
  to   { opacity: 1; transform: scaleX(1); }
}

/* =====================================================================
   Aparición al hacer scroll (usa `translate` para no pisar los hovers)
   ===================================================================== */
.js .revela {
  opacity: 0;
  translate: 0 30px;
  transition:
    opacity .8s ease calc(var(--d, 0) * 90ms),
    translate .9s var(--curva) calc(var(--d, 0) * 90ms),
    transform .35s var(--curva),
    box-shadow .35s ease,
    border-color .35s ease;
}
.js .revela.visible { opacity: 1; translate: 0 0; }
.cabeza .filete-oro { transform: scaleX(0); transition: transform .9s var(--curva) .35s; }
.cabeza.visible .filete-oro, html:not(.js) .cabeza .filete-oro { transform: scaleX(1); }

/* =====================================================================
   3 · Franja de logros
   ===================================================================== */
.logros { position: relative; z-index: 2; margin-top: -4.5rem; }
.logros__grilla {
  display: grid; grid-template-columns: repeat(3, 1fr);
  background: var(--blanco); color: var(--tinta);
  border-radius: var(--radio);
  border-top: 2px solid var(--dorado);
  box-shadow: 0 30px 60px -30px rgba(35, 31, 32, .45);
}
.logro { padding: 2.2rem 2rem; text-align: center; }
.logro + .logro { border-left: 1px solid rgba(205, 142, 63, .35); }
.logro__numero {
  font-size: clamp(3rem, 6vw, 4.4rem); font-weight: 900; line-height: 1;
  color: var(--rojo); letter-spacing: -.04em;
  font-variant-numeric: tabular-nums;
}
.logro__numero sup { font-size: .5em; vertical-align: super; }
.logro__texto { margin-top: .7rem; font-size: .95rem; font-weight: 600; color: var(--tinta-60); max-width: 26ch; margin-inline: auto; }

/* =====================================================================
   4 · Carrusel de logros
   ===================================================================== */
.resultados { padding-top: clamp(6rem, 11vw, 8.5rem); }
.carrusel { position: relative; }
.carrusel__ventana {
  overflow: hidden; border-radius: 22px;
  box-shadow: 0 30px 60px -30px rgba(0, 91, 171, .5);
  touch-action: pan-y;
  cursor: grab;
}
.carrusel__ventana:active { cursor: grabbing; }
.carrusel__pista { display: flex; transition: transform .75s var(--curva); }
.carrusel__pista.arrastrando { transition: none; }

.diapo {
  position: relative; overflow: hidden;
  flex: 0 0 100%;
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); align-items: center; gap: 2rem;
  min-height: 440px; padding: clamp(2.5rem, 6vw, 4.5rem) clamp(1.75rem, 7vw, 5.5rem);
  user-select: none;
}
.diapo::before {
  content: ""; position: absolute; inset: 1.1rem; border-radius: 14px;
  border: 1px solid currentColor; opacity: .14; pointer-events: none;
}
.diapo--azul { background: radial-gradient(90% 120% at 100% 0%, rgba(205, 142, 63, .25), rgba(205, 142, 63, 0) 60%), var(--azul); color: var(--blanco); }
.diapo--blanca { background: var(--blanco); color: var(--tinta); }
/* Fondos de marca: azul o claro. El rojo vive solo en títulos y en el hilo de acento. */
.diapo--profunda { background: linear-gradient(135deg, rgba(35, 31, 32, .42), rgba(35, 31, 32, .12)), var(--azul); color: var(--blanco); }

.diapo__texto { position: relative; max-width: 30rem; }
.diapo__texto::before {
  content: ""; display: block; width: 40px; height: 2px; margin-bottom: 1.4rem;
  background: var(--rojo);
}
.diapo__frase {
  margin-top: 1.1rem;
  font-size: clamp(1.6rem, 3.4vw, 2.75rem); font-weight: 800; line-height: 1.12; letter-spacing: -.02em;
  text-wrap: balance;
}
.diapo__frase--mayus { color: var(--rojo); font-weight: 800; letter-spacing: 0; line-height: 1.1; }
.diapo__nota { margin-top: .9rem; font-weight: 600; color: var(--dorado); }
.diapo .boton { margin-top: 1.6rem; }

.diapo__adorno { position: relative; display: grid; place-items: center; gap: 1.4rem; }
.diapo__adorno--par { grid-template-columns: repeat(2, auto); justify-content: center; }

/* Elementos de cada diapositiva que entran cuando la diapo se activa */
.diapo__adorno > * { transition: transform .9s var(--curva) .2s, opacity .9s ease .2s; }
.js .diapo:not(.diapo--activa) .diapo__adorno > * { opacity: 0; transform: scale(.85); }

/* El dato fuerte: un «1» de gran escala dentro de un anillo dorado fino. */
.medallon-grande {
  display: grid; place-items: center;
  width: 220px; height: 220px; border-radius: 50%;
  border: 1px solid var(--dorado);
  box-shadow: 0 0 0 12px rgba(205, 142, 63, .08), inset 0 0 0 10px rgba(255, 255, 255, .04);
}
.medallon-grande span {
  font-size: 9rem; font-weight: 800; line-height: 1; letter-spacing: -.06em; color: var(--crema);
  transform: translateX(-.04em);
}
.areas { display: flex; gap: .45rem; flex-wrap: wrap; justify-content: center; }
.areas li {
  padding: .3rem .75rem; border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .3);
  font-size: .75rem; font-weight: 600; color: rgba(255, 255, 255, .7);
}
.areas .areas__activa { border-color: var(--dorado); color: var(--dorado); font-weight: 700; }

.emblema { display: grid; justify-items: center; gap: .8rem; }
.emblema__circulo {
  display: grid; place-items: center;
  width: 130px; height: 130px; border-radius: 50%;
  border: 2px solid var(--dorado);
  box-shadow: inset 0 0 0 7px var(--blanco), inset 0 0 0 8px var(--oro-35);
  font-size: 1.9rem; font-weight: 900; color: var(--azul);
}
.emblema__rotulo { font-size: .8rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--azul); }

.sellos { position: relative; width: 260px; height: 220px; }
.sello {
  position: absolute; display: grid; place-items: center;
  width: 150px; height: 150px; border-radius: 50%;
  border: 3px double rgba(255, 255, 255, .85);
  font-size: 2rem; font-weight: 900; letter-spacing: .06em; color: var(--blanco);
  background: rgba(255, 255, 255, .08);
  left: 0; top: 0; rotate: -10deg;
}
.sello--b { left: auto; top: auto; right: 0; bottom: 0; rotate: 8deg; border-color: var(--dorado); color: var(--dorado); background: rgba(35, 31, 32, .12); }

.carrusel__controles { display: flex; align-items: center; justify-content: center; gap: 1.2rem; margin-top: 1.6rem; }
.carrusel__flecha {
  display: grid; place-items: center;
  width: 48px; height: 48px; border-radius: 50%;
  border: 1px solid var(--oro-35);
  background: var(--blanco); color: var(--azul);
  transition: transform .3s var(--curva), background-color .3s ease, color .3s ease, box-shadow .3s ease;
}
.carrusel__flecha svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.carrusel__flecha:hover { background-color: var(--azul); color: var(--blanco); transform: translateY(-2px); box-shadow: var(--sombra-suave); }
.carrusel__puntos { display: flex; gap: .55rem; }
.punto {
  width: 10px; height: 10px; padding: 0; border: 0; border-radius: 999px;
  background: rgba(0, 91, 171, .25);
  transition: width .4s var(--curva), background-color .3s ease;
}
.punto:hover { background: rgba(0, 91, 171, .55); }
.punto--activo { width: 34px; background: var(--rojo); }
.punto--activo:hover { background: var(--rojo); }

/* =====================================================================
   5 · Nuestros ingresantes
   ===================================================================== */
.ingresantes { background: var(--blanco); color: var(--tinta); }
.grilla-ingresantes { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.25rem; }
.tarjeta {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; gap: .35rem;
  min-height: 220px; padding: 1.5rem 1.4rem 1.4rem;
  border-radius: var(--radio);
  border: 1px solid rgba(35, 31, 32, .1);
  background: var(--blanco); color: var(--tinta);
  transition: transform .35s var(--curva), box-shadow .35s ease, border-color .35s ease;
}
.tarjeta::before {
  content: ""; position: absolute; inset: 0 0 auto; height: 3px;
  background: var(--azul); transform: scaleX(0); transform-origin: left;
  transition: transform .5s var(--curva);
}
.tarjeta:hover { transform: translateY(-6px); box-shadow: var(--sombra-alta); border-color: rgba(0, 91, 171, .3); }
.tarjeta:hover::before { transform: scaleX(1); }
.tarjeta--oro { border-color: rgba(205, 142, 63, .5); background: linear-gradient(180deg, rgba(205, 142, 63, .08), rgba(205, 142, 63, 0) 45%), var(--blanco); }
.tarjeta--oro::before { background: var(--dorado); transform: scaleX(1); }
.tarjeta--oro:hover { border-color: var(--dorado); box-shadow: 0 24px 48px -18px rgba(205, 142, 63, .55); }
.tarjeta--plata { border-color: rgba(35, 31, 32, .25); }
.tarjeta--plata::before { background: rgba(35, 31, 32, .35); transform: scaleX(1); }

.puesto {
  display: inline-flex; align-items: center; gap: .6rem; align-self: flex-start;
  margin-bottom: .5rem; padding: .35rem 1rem .35rem .45rem;
  border-radius: 10px;
}
.puesto--oro { background-color: var(--dorado); color: var(--tinta); box-shadow: 0 8px 18px -10px rgba(205, 142, 63, .9); }
.puesto--plata {
  background: linear-gradient(135deg, rgba(35, 31, 32, .06), rgba(35, 31, 32, .2) 55%, rgba(35, 31, 32, .08));
  color: var(--tinta);
  border: 1px solid rgba(35, 31, 32, .22);
}
.puesto__num {
  font-size: 2.3rem; font-weight: 900; line-height: 1; color: var(--rojo);
  -webkit-text-stroke: 4px var(--blanco); paint-order: stroke fill;
  text-shadow: 3px 3px 0 rgba(35, 31, 32, .3);
}
.puesto--plata .puesto__num { color: var(--tinta); }
.puesto__txt { font-size: .82rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.puesto__detalle { margin: -.2rem 0 .3rem; font-size: .78rem; font-weight: 700; color: var(--dorado); }

.tarjeta__carrera { font-size: 1.12rem; font-weight: 800; line-height: 1.25; color: var(--azul); }
.tarjeta__uni { margin-top: .2rem; }
.uni {
  display: inline-block; padding: .2rem .65rem; border-radius: 6px;
  font-size: .72rem; font-weight: 800; letter-spacing: .14em;
}
.uni--unsa { background-color: var(--azul); color: var(--blanco); }
.uni--ucsm { background-color: var(--rojo); color: var(--blanco); }
.tarjeta__nombre {
  margin-top: auto; padding-top: 1rem;
  border-top: 1px solid rgba(205, 142, 63, .35);
  font-size: 1rem; font-weight: 700; line-height: 1.3; color: var(--tinta);
}
.leyenda { margin-top: 2.2rem; font-size: .85rem; color: var(--tinta-60); text-align: center; }

/* =====================================================================
   6 · Quiénes somos
   ===================================================================== */
.nosotros { overflow: hidden; }
.marca-agua {
  position: absolute; right: -6%; top: 50%; width: min(520px, 55vw); height: auto;
  opacity: .06; transform: translateY(-50%) rotate(-8deg); pointer-events: none;
}
.nosotros__dentro { position: relative; }
.editorial {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: clamp(2rem, 6vw, 5rem); align-items: start;
}
.editorial__entrada {
  padding-top: 1.4rem; border-top: 2px solid var(--dorado);
  font-size: clamp(1.4rem, 2.6vw, 2rem); font-weight: 700; line-height: 1.3; letter-spacing: -.01em;
  color: var(--tinta);
}
.editorial__entrada em {
  font-style: normal; color: var(--rojo);
  background: linear-gradient(transparent 82%, rgba(205, 142, 63, .4) 82%);
}
.cita {
  position: relative;
  padding: 2.4rem 0 1.6rem 2rem;
  border-top: 1px solid var(--dorado); border-bottom: 1px solid var(--dorado);
}
.cita::before { content: ""; position: absolute; left: 0; top: 2.4rem; bottom: 1.6rem; width: 3px; background: var(--azul); }
.cita__comilla {
  position: absolute; right: 0; top: -.15em;
  font-size: 7rem; font-weight: 900; line-height: 1; color: var(--dorado); opacity: .55;
}
.cita__texto { margin: 0; font-size: clamp(1.15rem, 2vw, 1.45rem); font-style: italic; line-height: 1.55; color: var(--tinta); }
.cita__pie { margin-top: 1.3rem; font-size: .75rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--azul); }

/* =====================================================================
   7 · Niveles
   ===================================================================== */
.niveles { background: var(--blanco); color: var(--tinta); }
.grilla-niveles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
.nivel {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; gap: 1.2rem;
  min-height: 260px; padding: 2rem;
  border-radius: 18px; border: 1px solid rgba(0, 91, 171, .18);
  background: var(--crema); color: var(--tinta);
  transition: transform .35s var(--curva), box-shadow .35s ease, border-color .35s ease;
}
.nivel:hover { transform: translateY(-8px); box-shadow: var(--sombra-alta); border-color: var(--dorado); }
.nivel__icono {
  display: grid; place-items: center; width: 64px; height: 64px; border-radius: 16px;
  background: var(--azul-12);
  transition: transform .5s var(--curva), background-color .35s ease;
}
.nivel__icono svg { width: 36px; height: 36px; fill: none; stroke: var(--azul); stroke-width: 2.2; stroke-linejoin: round; stroke-linecap: round; }
.nivel:hover .nivel__icono { transform: rotate(-6deg) scale(1.06); }
.nivel__num {
  position: absolute; right: 1.4rem; top: .8rem;
  font-size: 4.5rem; font-weight: 900; line-height: 1; letter-spacing: -.04em;
  color: transparent; -webkit-text-stroke: 1.5px var(--oro-35);
}
.nivel__nombre { margin-top: auto; font-size: 1.45rem; font-weight: 800; line-height: 1.2; color: var(--rojo); }
.nivel--destacado { background: var(--azul); color: var(--blanco); border-color: var(--azul); }
.nivel--destacado .nivel__nombre { color: var(--blanco); }
.nivel--destacado .nivel__icono { background: rgba(255, 255, 255, .12); }
.nivel--destacado .nivel__icono svg { stroke: var(--dorado); }
.nivel--destacado .nivel__num { -webkit-text-stroke-color: rgba(205, 142, 63, .6); }

.cierre { margin-top: clamp(3rem, 6vw, 4.5rem); text-align: center; }
.cierre__lema { margin-bottom: 1.6rem; font-size: clamp(1.3rem, 2.6vw, 1.8rem); font-weight: 700; color: var(--tinta); }
.cierre__lema strong { color: var(--rojo); font-weight: 900; }

/* =====================================================================
   8 · Contacto
   ===================================================================== */
.contacto {
  overflow: hidden; isolation: isolate;
  background: radial-gradient(100% 80% at 0% 100%, rgba(35, 31, 32, .45), rgba(35, 31, 32, 0) 70%), var(--azul);
  color: var(--blanco);
}
.contacto .red { z-index: -1; opacity: .55; }
.contacto__dentro { position: relative; }
.grilla-contacto { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.ficha {
  padding: 2.2rem;
  border-radius: 18px; border: 1px solid rgba(255, 255, 255, .18);
  background: rgba(255, 255, 255, .07);
  backdrop-filter: blur(6px);
  transition: transform .35s var(--curva), border-color .35s ease, background-color .35s ease;
}
.ficha:hover { transform: translateY(-6px); border-color: var(--dorado); background-color: rgba(255, 255, 255, .11); }
.ficha__icono { display: grid; place-items: center; width: 54px; height: 54px; border-radius: 50%; background: var(--dorado); color: var(--azul); }
.ficha__icono svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linejoin: round; }
.ficha:nth-child(2) .ficha__icono svg { fill: currentColor; stroke: none; }
.ficha__titulo { margin-top: 1.3rem; font-size: 1.5rem; font-weight: 800; color: var(--blanco); }
.ficha__texto { margin-top: .7rem; font-style: normal; font-size: 1.08rem; line-height: 1.6; color: rgba(255, 255, 255, .88); }
.telefonos { margin-top: .7rem; display: grid; gap: .35rem; }
.telefono {
  display: inline-flex; align-items: center; gap: .6rem;
  font-size: clamp(1.25rem, 2.4vw, 1.6rem); font-weight: 800; letter-spacing: .01em;
  color: var(--blanco);
  transition: color .25s ease, transform .3s var(--curva);
}
.telefono::before { content: ""; width: 18px; height: 2px; background: var(--dorado); transition: width .3s var(--curva); }
.telefono:hover { color: var(--dorado); transform: translateX(4px); }
.telefono:hover::before { width: 30px; }

/* =====================================================================
   9 · Pie
   ===================================================================== */
.pie {
  position: relative;
  background: var(--crema); color: var(--tinta);
  border-top: 3px solid var(--dorado);
  padding-top: clamp(3.5rem, 6vw, 4.5rem);
}
.pie__grilla { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr 1fr; gap: 2.5rem; padding-bottom: 3rem; }
.pie__marca { display: flex; align-items: flex-start; gap: 1rem; }
.pie__marca img { width: 64px; height: auto; flex: none; }
.pie__nombre { font-size: 1.05rem; font-weight: 800; line-height: 1.25; color: var(--azul); }
.pie__lugar { margin-top: .3rem; font-size: .85rem; color: var(--tinta-60); }
.pie__titulo {
  margin-bottom: 1rem; padding-bottom: .6rem;
  border-bottom: 1px solid var(--oro-35);
  font-size: .75rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--dorado);
}
.pie__col li { margin-bottom: .45rem; font-size: .9rem; line-height: 1.45; }
.pie__col a { transition: color .25s ease; }
.pie__col a:hover { color: var(--rojo); }
.pie__lema { font-size: 1.15rem; font-weight: 800; line-height: 1.25; color: var(--rojo); }
.pie__lema-oro { margin-top: .5rem; font-size: .95rem; font-weight: 700; color: var(--dorado); }
.pie__base { border-top: 1px solid var(--oro-35); padding: 1.3rem 0 2.2rem; }
.pie__base-dentro { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .6rem 2rem; font-size: .8rem; color: var(--tinta-60); }
.pie__pestana {
  position: absolute; bottom: 0; width: clamp(90px, 14vw, 180px); height: 14px;
  border-radius: 10px 10px 0 0;
}
.pie__pestana { right: clamp(1.25rem, 6vw, 5rem); background: var(--azul); }

/* =====================================================================
   Responsive
   ===================================================================== */
@media (max-width: 1080px) {
  .grilla-ingresantes { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .pie__grilla { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 960px) {
  :root { --barra-alto: 72px; }
  .hamburguesa { display: block; }
  .menu {
    position: fixed; top: 0; right: 0; z-index: 110;
    flex-direction: column; align-items: stretch; gap: 1.5rem;
    width: min(340px, 86vw); height: 100vh; height: 100dvh;
    padding: calc(var(--barra-alto) + 1.5rem) 1.75rem 2rem;
    background: var(--blanco); color: var(--tinta);
    border-left: 3px solid var(--dorado);
    box-shadow: -20px 0 40px -20px rgba(35, 31, 32, .4);
    transform: translateX(105%); visibility: hidden;
    transition: transform .45s var(--curva), visibility 0s linear .45s;
  }
  .menu--abierto { transform: none; visibility: visible; transition: transform .45s var(--curva), visibility 0s; }
  .menu__lista { flex-direction: column; gap: 0; }
  .menu__enlace { padding: 1rem .25rem; font-size: 1.1rem; border-bottom: 1px solid var(--tinta-08); }
  .menu__enlace::after { left: .25rem; right: auto; width: 40px; bottom: -1px; }
  .menu__llamar { justify-content: center; }

  .hero__titulo { font-size: clamp(2.75rem, 8vw, 4rem); }

  /* En vertical el texto ocupa todo el ancho: el velo sube y la estampa asoma arriba, con el Misti */
  .hero__velo {
    background:
      linear-gradient(180deg, rgba(0, 91, 171, .5) 0%, rgba(0, 91, 171, .08) 14%, rgba(0, 91, 171, .12) 22%, rgba(0, 91, 171, .88) 36%, var(--azul) 62%);
  }

  .logros__grilla { grid-template-columns: 1fr; }
  .logro + .logro { border-left: 0; border-top: 1px solid rgba(205, 142, 63, .35); }
  .diapo { grid-template-columns: 1fr; text-align: center; min-height: 520px; align-content: center; }
  .diapo__adorno { order: -1; }
  .medallon-grande { width: 150px; height: 150px; }
  .medallon-grande span { font-size: 6rem; }
  .diapo__texto { margin-inline: auto; }
  .diapo__texto::before { margin-inline: auto; }
  .emblema__circulo { width: 100px; height: 100px; font-size: 1.5rem; }
  .sellos { width: 210px; height: 170px; }
  .sello { width: 118px; height: 118px; font-size: 1.6rem; }

  .grilla-ingresantes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .editorial, .grilla-niveles, .grilla-contacto { grid-template-columns: 1fr; }
  .nivel { min-height: 200px; }
}

@media (max-width: 560px) {

  .marca__escudo { height: 46px; }
  .grilla-ingresantes { grid-template-columns: 1fr; }
  .tarjeta { min-height: 0; }
  .pie__grilla { grid-template-columns: 1fr; }
  .hero__botones .boton { width: 100%; }
  .hero__titulo { font-size: clamp(2.75rem, 15vw, 3.75rem); }
  .hero__eyebrow { font-size: .68rem; letter-spacing: .16em; }
  .hero__eyebrow::before { width: 24px; }
  .cita { padding-left: 1.4rem; }
}

/* =====================================================================
   Freno de movimiento: todo igual, pero quieto
   ===================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-delay: 0s !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    transition-delay: 0s !important;
  }
  .js .letra, .entra, .js .revela { opacity: 1 !important; transform: none !important; translate: none !important; }
  .cabeza .filete-oro { transform: none; }
  .js .diapo:not(.diapo--activa) .diapo__adorno > * { opacity: 1; transform: none; }
  .hero__fondo { transform: none !important; }
}