/* ==========================================================================
   Instituto Bíblico Filadelfia — estilos
   Línea visual: collage editorial (papel, recortes B/N, círculos de color,
   línea dorada, retícula milimétrica, bloques de color).
   ========================================================================== */

:root {
  /* papel */
  --paper: #F1EBDF;
  --paper-2: #E9E1D2;
  --paper-3: #DDD3C0;
  --card: #FAF7F1;

  /* tinta */
  --ink: #1C2124;
  --ink-2: #454C50;
  --ink-3: #6F7477;
  --line: rgba(28, 33, 36, .14);

  /* acentos (de las referencias) */
  --teal: #2F7F8F;
  --teal-deep: #1E5A66;
  --teal-ink: #143E47;
  --terra: #C2532E;
  --terra-deep: #A24323;
  --mustard: #D99A2B;
  --gold: #C9A24A;

  --font-sans: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;

  --container: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  --radius: 4px;
  --header-h: 72px;

  --ease: cubic-bezier(.2, .7, .2, 1);

  /* grano de papel */
  --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  /* manchas suaves tipo papel pintado */
  --wash: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='600' height='600'%3E%3Cfilter id='w'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.008' numOctaves='4' seed='3'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .3 -.08'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23w)'/%3E%3C/svg%3E");
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 8px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before { /* grano global */
  content: "";
  position: fixed; inset: 0;
  background-image: var(--grain);
  opacity: .16;
  pointer-events: none;
  z-index: 100;
  mix-blend-mode: multiply;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3, p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
svg { display: block; }
:focus-visible { outline: 2px solid var(--terra); outline-offset: 3px; }

.container { width: 100%; max-width: calc(var(--container) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 16px; top: -60px; background: var(--ink); color: var(--paper); padding: 10px 14px; z-index: 200; }
.skip:focus { top: 12px; }

.serif { font-family: var(--font-serif); font-style: italic; font-weight: 400; letter-spacing: 0; }

/* ---------- logo (máscara: hereda color) ---------- */
.logo-mark {
  display: inline-block;
  width: 34px; aspect-ratio: 2100 / 2150;
  background: currentColor;
  -webkit-mask: url("../img/logo-mark.svg") center / contain no-repeat;
          mask: url("../img/logo-mark.svg") center / contain no-repeat;
  flex: none;
}
.logo-mark--sm { width: 22px; }
.logo-full {
  display: block;
  width: 150px; aspect-ratio: 1;
  background: currentColor;
  -webkit-mask: url("../img/logo.svg") center / contain no-repeat;
          mask: url("../img/logo.svg") center / contain no-repeat;
}

/* ---------- botones ---------- */
.btn {
  --bg: var(--ink); --fg: var(--paper); --bd: var(--ink);
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 24px;
  font: 600 14px/1 var(--font-sans);
  letter-spacing: .08em; text-transform: uppercase; text-decoration: none;
  color: var(--fg); background: var(--bg);
  border: 1.5px solid var(--bd); border-radius: 999px;
  cursor: pointer;
  transition: transform .25s var(--ease), background-color .25s, color .25s, box-shadow .25s;
}
.btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform .25s var(--ease); }
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 0 -3px rgba(28,33,36,.18); }
.btn:hover svg { transform: translateX(3px); }
.btn:active { transform: translateY(0); box-shadow: none; }
.btn--sm { min-height: 42px; padding: 0 18px; font-size: 12.5px; }
.btn--terra { --bg: var(--terra); --bd: var(--terra); --fg: #FFF8F0; }
.btn--terra:hover { --bg: var(--terra-deep); --bd: var(--terra-deep); }
.btn--ghost { --bg: transparent; --fg: var(--ink); --bd: var(--ink); }
.btn--ghost:hover { --bg: var(--ink); --fg: var(--paper); }
.btn--paper { --bg: var(--paper); --fg: var(--ink); --bd: var(--paper); }
.btn--ghost-light { --bg: transparent; --fg: var(--paper); --bd: rgba(241,235,223,.7); }
.btn--ghost-light:hover { --bg: var(--paper); --fg: var(--ink); }

.link-arrow { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 14px; letter-spacing: .06em; text-transform: uppercase; text-decoration: none; border-bottom: 1.5px solid currentColor; padding: 10px 0 3px; }
.link-arrow::after { content: "→"; transition: transform .25s var(--ease); }
.link-arrow:hover::after { transform: translateX(4px); }

/* ---------- tipografía de sección ---------- */
.eyebrow, .kicker {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 12.5px; font-weight: 600; letter-spacing: .22em; text-transform: uppercase;
  color: var(--ink-2);
}
.kicker { margin-bottom: 18px; }
.kicker__n {
  display: inline-grid; place-items: center;
  font-size: 12px; letter-spacing: .04em;
  color: var(--terra);
  padding-right: 12px;
  border-right: 1.5px solid var(--gold);
}
.kicker--light { color: rgba(241,235,223,.85); }
.kicker--light .kicker__n { color: var(--mustard); }

.pulse { width: 9px; height: 9px; border-radius: 50%; background: var(--terra); position: relative; }
.pulse::after { content: ""; position: absolute; inset: -5px; border-radius: 50%; border: 1.5px solid var(--terra); animation: pulse 2.2s var(--ease) infinite; }
.pulse--light { background: var(--paper); }
.pulse--light::after { border-color: var(--paper); }
@keyframes pulse { from { transform: scale(.6); opacity: 1; } to { transform: scale(1.8); opacity: 0; } }

.h2 {
  font-weight: 800;
  font-stretch: 112%;
  font-size: clamp(34px, 5vw, 60px);
  line-height: 1;
  letter-spacing: -.015em;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.h2 .serif { text-transform: none; font-size: 1.12em; color: var(--terra); letter-spacing: -.01em; }
.h2--light { color: var(--paper); }
.h2--light .serif { color: var(--mustard); }
.h2--xl { font-size: clamp(48px, 8vw, 104px); }

.lead { font-size: clamp(17px, 1.5vw, 19px); color: var(--ink-2); max-width: 58ch; }
.lead .serif { font-size: 1.2em; color: var(--ink); }
.lead--light { color: rgba(241,235,223,.86); }

.mini-title { font-size: 12.5px; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; color: var(--ink-3); margin: 36px 0 16px; display: flex; align-items: center; gap: 14px; }
.mini-title::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* ---------- elementos de collage ---------- */
.art-disc { position: absolute; border-radius: 50%; z-index: 0; }
.art-disc::after { content: ""; position: absolute; inset: 0; border-radius: inherit; background-image: var(--grain); opacity: .5; mix-blend-mode: multiply; }
.art-disc--mustard { background: var(--mustard); }
.art-disc--terra { background: var(--terra); }

.art-grid {
  position: absolute; z-index: 0;
  background-image:
    linear-gradient(var(--teal) 1px, transparent 1px),
    linear-gradient(90deg, var(--teal) 1px, transparent 1px);
  background-size: 16px 16px;
  opacity: .35;
}

.blocks { display: flex; gap: 0; z-index: 2; }
.blocks span { display: block; border: 1.5px solid var(--ink); background: var(--paper); }
.blocks span + span { margin-left: -1.5px; }
.blocks span:nth-child(2) { background: var(--teal); }
.blocks span:nth-child(3) { background: var(--mustard); }
.blocks span:nth-child(4) { background: var(--teal); }
.blocks--h span { width: 34px; height: 18px; }
.blocks--h span:nth-child(3) { width: 48px; }
.blocks--v { flex-direction: column; }
.blocks--v span { width: 20px; height: 30px; }
.blocks--v span + span { margin-left: 0; margin-top: -1.5px; }

.annot { position: absolute; z-index: 3; font: 400 22px/1 var(--font-serif); color: var(--ink-2); }
.annot i { position: absolute; height: 1.5px; background: var(--gold); transform-origin: left center; }

.tape {
  position: absolute; z-index: 3;
  width: 110px; height: 30px;
  background: rgba(241,235,223,.78);
  box-shadow: 0 1px 2px rgba(0,0,0,.08);
  -webkit-mask: linear-gradient(90deg, transparent 0 3px, #000 3px calc(100% - 3px), transparent 0);
}
.tape--tl { top: -12px; left: 18%; transform: rotate(-6deg); }
.tape--tr { top: -14px; right: 16%; transform: rotate(5deg); }

.tilt-l { transform: rotate(-2deg); }
.tilt-r { transform: rotate(2.2deg); }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-h);
}
/* el fondo va en un pseudo-elemento: un backdrop-filter en el header
   convertiría al menú móvil (position: fixed) en relativo al header */
.site-header::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: rgba(241,235,223,.88);
  -webkit-backdrop-filter: saturate(1.2) blur(10px);
          backdrop-filter: saturate(1.2) blur(10px);
  box-shadow: 0 1px 0 var(--line);
  opacity: 0; transition: opacity .3s;
}
.site-header.is-scrolled::before { opacity: 1; }
.site-header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand__text { display: flex; flex-direction: column; line-height: 1; text-transform: uppercase; }
.brand__top { font-weight: 300; font-size: 11.5px; letter-spacing: .09em; }
.brand__name { font-weight: 800; font-size: 19px; letter-spacing: .02em; margin-top: 3px; }

.nav { display: flex; align-items: center; gap: 28px; }
.nav__list { display: flex; gap: 26px; }
.nav__list a { position: relative; text-decoration: none; font-size: 14.5px; font-weight: 500; color: var(--ink-2); padding: 6px 0; transition: color .2s; }
.nav__list a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--terra); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease); }
.nav__list a:hover, .nav__list a[aria-current="true"] { color: var(--ink); }
.nav__list a:hover::after, .nav__list a[aria-current="true"]::after { transform: scaleX(1); }

.nav-toggle { display: none; width: 46px; height: 46px; border: 1.5px solid var(--ink); border-radius: 50%; background: transparent; cursor: pointer; position: relative; }
.nav-toggle__bar { position: absolute; left: 13px; right: 13px; height: 1.8px; background: var(--ink); transition: transform .3s var(--ease), top .3s var(--ease); }
.nav-toggle__bar:nth-of-type(2) { top: 18px; }
.nav-toggle__bar:nth-of-type(3) { top: 25px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-of-type(2) { top: 21.5px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-of-type(3) { top: 21.5px; transform: rotate(-45deg); }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding: clamp(28px, 5vw, 64px) 0 clamp(64px, 8vw, 110px); margin-top: calc(var(--header-h) * -1); padding-top: calc(var(--header-h) + clamp(28px, 5vw, 64px)); }
.hero::before { /* lavado de papel */
  content: ""; position: absolute; inset: 0;
  background-image: var(--wash);
  opacity: .12; pointer-events: none;
}
.hero__grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 64px); align-items: center; }
.hero__copy { position: relative; z-index: 2; container-type: inline-size; }
.hero__copy .eyebrow { margin-bottom: 26px; }

.hero__title { text-transform: uppercase; line-height: .9; margin-bottom: 28px; }
.hero__title-top { display: block; font-weight: 300; font-size: clamp(26px, 3.6vw, 52px); font-size: min(6.2cqi, 52px); letter-spacing: .02em; }
.hero__title-name {
  display: block;
  font-weight: 900; font-stretch: 118%;
  font-size: clamp(42px, 7vw, 104px);
  font-size: min(12.8cqi, 104px); /* "FILADELFIA" siempre cabe en su columna */
  letter-spacing: -.02em;
  margin-top: .06em;
}

.hero__lead { font-size: clamp(18px, 1.8vw, 22px); line-height: 1.45; color: var(--ink-2); max-width: 30em; margin-bottom: 28px; }
.hero__lead .serif { font-size: 1.22em; color: var(--terra); }

.badges { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 9px 16px 9px 12px;
  background: var(--card);
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  font-size: 14px; color: var(--ink-2);
  box-shadow: 3px 3px 0 var(--ink);
}
.badge strong { color: var(--ink); font-weight: 700; }
.badge svg { width: 20px; height: 20px; fill: none; stroke: var(--teal); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.badge:nth-child(2) svg { stroke: var(--terra); }
.badge:nth-child(3) svg { stroke: var(--mustard); }

.actions { display: flex; flex-wrap: wrap; gap: 12px; }

.hero__art { position: relative; aspect-ratio: 1; width: 100%; max-width: 620px; justify-self: end; }
.hero__img { position: relative; z-index: 1; width: 100%; height: 100%; object-fit: cover; }
.hero__art .art-disc--mustard { width: 15%; aspect-ratio: 1; right: 4%; top: 6%; z-index: 2; }
.hero__art .art-grid { width: 30%; height: 26%; left: -4%; bottom: 6%; }
.hero__art .blocks--v { position: absolute; right: -2%; bottom: 14%; }
.annot--a { left: 6%; top: 12%; }
.annot--a i { width: 90px; left: 16px; top: 16px; transform: rotate(38deg); }
.annot--b { right: 10%; bottom: 3%; }
.annot--b i { width: 80px; right: 16px; left: auto; top: -2px; transform-origin: right center; transform: rotate(40deg); }

/* línea dorada: prolonga la del collage (50% de la imagen) a todo lo ancho */
.hero__art::after { content: ""; position: absolute; top: calc(50% - 1px); height: 2px; left: -12%; right: -100vw; background: var(--gold); z-index: 0; }
.js .hero__art::after { transform-origin: right; }

/* bordes difuminados para collages sueltos sobre el papel */
.feather {
  -webkit-mask: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent), linear-gradient(transparent, #000 7%, #000 93%, transparent);
  -webkit-mask-composite: source-in;
          mask: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent), linear-gradient(transparent, #000 7%, #000 93%, transparent);
          mask-composite: intersect;
}

/* ---------- cifras ---------- */
.stats { position: relative; background-color: var(--teal); color: var(--paper); padding: clamp(40px, 5vw, 56px) 0; }
.texture--teal { background-color: var(--teal); background-image: var(--wash), var(--grain); background-blend-mode: multiply, multiply; }
.texture--terra { background-color: var(--terra); background-image: var(--wash), var(--grain); background-blend-mode: multiply, multiply; }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { display: flex; flex-direction: column; gap: 8px; padding: 6px clamp(12px, 2.4vw, 32px); border-left: 1.5px solid rgba(241,235,223,.35); }
.stat:first-child { border-left: 0; padding-left: 0; }
.stat__num { font-weight: 900; font-stretch: 118%; font-size: clamp(44px, 6vw, 76px); line-height: .9; letter-spacing: -.02em; }
.stat__num small { font-size: .5em; font-weight: 700; margin-left: 2px; color: var(--mustard); }
.stat__label { font-size: 13px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: rgba(241,235,223,.82); }
.stats__blocks { position: absolute; right: var(--gutter); top: -9px; }

/* ---------- secciones ---------- */
.section { position: relative; padding: clamp(80px, 10vw, 140px) 0; }
.section--paper2 { background: var(--paper-2); }
.section--grid {
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(47,127,143,.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47,127,143,.09) 1px, transparent 1px);
  background-size: 28px 28px;
}

.split { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(40px, 6vw, 96px); align-items: center; }

.collage { position: relative; margin: 0; }
.collage .art-disc--terra { width: 38%; aspect-ratio: 1; left: -7%; bottom: -8%; }
.collage__frame { position: relative; z-index: 1; box-shadow: 0 24px 50px -24px rgba(20,40,45,.45); background: var(--card); padding: 10px; }

.pillars { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.pillar { background: var(--card); border: 1.5px solid var(--ink); padding: 24px 22px 26px; position: relative; }
.pillar h3 { font-size: 19px; font-weight: 700; line-height: 1.2; margin: 18px 0 10px; }
.pillar p { font-size: 15.5px; color: var(--ink-2); }
.pillar__icon { display: grid; place-items: center; width: 50px; height: 50px; border-radius: 50%; }
.pillar__icon svg { width: 26px; height: 26px; fill: none; stroke: var(--paper); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.pillar__icon--teal { background: var(--teal); }
.pillar__icon--mustard { background: var(--mustard); }
.pillar:nth-child(2) { transform: translateY(22px); }

/* ---------- misión ---------- */
.section-head { display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: end; margin-bottom: clamp(40px, 6vw, 72px); }
.section-head__aside { color: var(--ink-2); max-width: 34ch; justify-self: end; border-left: 2px solid var(--gold); padding-left: 18px; }

.mission { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(32px, 6vw, 88px); align-items: start; }
.mission__art { position: sticky; top: calc(var(--header-h) + 24px); margin: 0; }
.mission__art img { position: relative; z-index: 1; }
.mission__art .art-grid--sm { width: 30%; height: 30%; right: -6%; top: 2%; }

.mission__list { counter-reset: m; }
.mission__item { display: grid; grid-template-columns: 88px 1fr; gap: 20px; padding: 30px 0; border-top: 1.5px solid var(--ink); }
.mission__item:last-child { border-bottom: 1.5px solid var(--ink); }
.mission__num { font: 400 64px/.8 var(--font-serif); color: var(--terra); }
.mission__item:nth-child(2) .mission__num { color: var(--teal); }
.mission__item:nth-child(3) .mission__num { color: var(--mustard); }
.mission__item:nth-child(4) .mission__num { color: var(--ink); }
.mission__item h3 { font-size: clamp(20px, 2vw, 24px); font-weight: 800; font-stretch: 108%; text-transform: uppercase; letter-spacing: .01em; line-height: 1.15; margin-bottom: 8px; }
.mission__item p { color: var(--ink-2); }

/* ---------- modelo ---------- */
.section--teal { background-color: var(--teal-deep); color: var(--paper); overflow: hidden; }
.section--teal.texture--teal { background-color: #26707E; }
.modelo__line { position: absolute; left: 0; right: 0; top: 220px; height: 1.5px; background: var(--gold); opacity: .6; }
.modelo__top { display: grid; grid-template-columns: 1.25fr 1fr; gap: clamp(32px, 6vw, 88px); align-items: center; margin-bottom: clamp(48px, 6vw, 80px); position: relative; }
.polaroid { position: relative; margin: 0; background: var(--paper); padding: 12px 12px 48px; box-shadow: 0 30px 60px -20px rgba(0,0,0,.45); max-width: 440px; justify-self: center; }

.modelo__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.mcard { background: rgba(241,235,223,.06); border: 1.5px solid rgba(241,235,223,.28); padding: 26px 24px 28px; }
.mcard--wide { grid-column: 2 / span 2; grid-row: 1 / span 3; display: flex; flex-direction: column; justify-content: center; padding: 36px 36px 36px; background: var(--paper); color: var(--ink); border-color: var(--paper); }
.mcard__tag { display: inline-block; font-size: 11.5px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--mustard); margin-bottom: 14px; }
.mcard--wide .mcard__tag { color: var(--terra); }
.mcard h3 { font-size: 22px; font-weight: 800; font-stretch: 108%; text-transform: uppercase; line-height: 1.1; margin-bottom: 12px; }
.mcard p { color: rgba(241,235,223,.84); font-size: 15.5px; }
.mcard p strong { color: var(--paper); }
.mcard--wide p { color: var(--ink-2); }
.mcard--wide p strong { color: var(--ink); }

.rhythm { display: grid; gap: 22px; margin: 26px 0 26px; }
.rhythm__row { display: grid; grid-template-columns: 200px 1fr; gap: 20px; align-items: center; }
.rhythm__label strong { display: block; font-size: 16px; }
.rhythm__label span { font-size: 14px; color: var(--ink-3); }
.rhythm__days { display: grid; grid-template-columns: repeat(14, 1fr); gap: 4px; }
.rhythm__days i { aspect-ratio: 1; border: 1.5px solid var(--ink); background: transparent; }
.rhythm__days i.on { background: var(--teal); }
.rhythm__days i.mc { background: var(--mustard); }
.rhythm__total { padding-top: 20px; border-top: 1.5px dashed var(--paper-3); font-size: 16px; }
.rhythm__total strong { font-weight: 900; font-stretch: 115%; font-size: 30px; color: var(--terra); margin-right: 4px; vertical-align: -3px; }
.rhythm__total span { margin: 0 10px; color: var(--ink-3); }

.ticks li { position: relative; padding-left: 26px; margin-top: 8px; font-size: 15.5px; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .45em; width: 14px; height: 8px; border-left: 2px solid var(--mustard); border-bottom: 2px solid var(--mustard); transform: rotate(-45deg); }
.ticks--light li { color: rgba(241,235,223,.86); }

/* ---------- mapa curricular ---------- */
.curri-head { display: grid; grid-template-columns: 1.2fr 1fr; gap: clamp(24px, 5vw, 72px); align-items: center; margin-bottom: 40px; }
.count-big { color: var(--terra); }
.curri-head__art { position: relative; margin: 0; max-width: 460px; justify-self: center; background: var(--paper); padding: 10px; border: 1.5px solid var(--ink); box-shadow: 10px 10px 0 var(--teal); }

.tree { max-width: 760px; margin: 0 auto 28px; text-align: center; }
.tree__root { display: inline-block; background: var(--ink); color: var(--paper); font-weight: 800; font-stretch: 112%; text-transform: uppercase; letter-spacing: .06em; font-size: 15px; padding: 12px 22px; border-radius: 999px; }
.tree__lines { width: 50%; margin: 0 auto; height: 44px; overflow: visible; }
.tree__lines path { fill: none; stroke: var(--ink); stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.tree__branches { display: grid; grid-template-columns: 1fr 1fr; }
.tree__branches span { justify-self: center; font-size: 12.5px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; padding: 10px 16px; border: 1.5px solid var(--ink); background: var(--card); border-radius: 999px; }

.areas { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.areas__col { display: grid; gap: 20px; }
.area { --c: var(--terra); background: var(--card); border: 1.5px solid var(--ink); }
.area--mustard { --c: var(--mustard); }
.area--teal { --c: var(--teal); }
.area__head { background: var(--c); color: #FFF8F0; padding: 20px 24px; border-bottom: 1.5px solid var(--ink); position: relative; overflow: hidden; }
.area__head::after { content: ""; position: absolute; inset: 0; background-image: var(--grain); opacity: .35; mix-blend-mode: multiply; pointer-events: none; }
.area__n { position: relative; z-index: 1; display: block; font-size: 11.5px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; opacity: .85; margin-bottom: 6px; }
.area__head h3 { position: relative; z-index: 1; font-size: clamp(19px, 2vw, 23px); font-weight: 800; font-stretch: 108%; text-transform: uppercase; line-height: 1.12; }
.area__list { padding: 12px 24px 20px; counter-reset: s; }
.area__list li { counter-increment: s; display: flex; gap: 12px; align-items: baseline; padding: 10px 0; border-bottom: 1px dashed var(--paper-3); font-size: 15.5px; line-height: 1.35; break-inside: avoid; }
.area__list li::before { content: counter(s, decimal-leading-zero); flex: none; font: 400 17px/1 var(--font-serif); color: var(--c); min-width: 22px; }
.area__list--2col { columns: 2; column-gap: 28px; }

/* ---------- requisitos ---------- */
.req-head { display: grid; grid-template-columns: .7fr 1.3fr; gap: clamp(24px, 5vw, 64px); align-items: center; margin-bottom: clamp(40px, 5vw, 64px); }
.req-head__art { margin: 0; max-width: 340px; }
.req-head__art img { border-radius: 50%; border: 1.5px solid var(--ink); box-shadow: 8px 8px 0 var(--terra); }

.req-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 24px; align-items: start; }
.doc { position: relative; background: var(--card); padding: 40px 34px 34px; border: 1.5px solid var(--ink); box-shadow: 8px 8px 0 var(--teal); }
.doc--alt { box-shadow: 8px 8px 0 var(--mustard); }
.doc__clip { position: absolute; top: -14px; left: 34px; width: 64px; height: 26px; border: 2px solid var(--ink); border-bottom: 0; border-radius: 14px 14px 0 0; background: var(--paper-2); }
.doc__for { font-size: 12px; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; color: var(--ink-3); }
.doc__title { font-size: clamp(22px, 2.3vw, 28px); font-weight: 800; font-stretch: 110%; text-transform: uppercase; line-height: 1.08; margin: 6px 0 24px; }
.doc__title small { display: block; font: italic 400 18px/1.3 var(--font-serif); text-transform: none; color: var(--terra); margin-top: 6px; letter-spacing: 0; }

.checks li { position: relative; padding: 14px 0 14px 40px; border-top: 1px dashed var(--paper-3); color: var(--ink-2); font-size: 16px; }
.checks li:first-child { border-top: 0; }
.checks li strong { color: var(--ink); }
.checks li::before { content: ""; position: absolute; left: 0; top: 15px; width: 24px; height: 24px; border: 1.5px solid var(--ink); border-radius: 50%; background: var(--paper); }
.checks li::after { content: ""; position: absolute; left: 7px; top: 22px; width: 10px; height: 5px; border-left: 2px solid var(--terra); border-bottom: 2px solid var(--terra); transform: rotate(-45deg); }

/* ---------- costos ---------- */
.costs { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
.beca { display: grid; grid-template-columns: auto 1fr; gap: 20px; margin-top: 40px; padding: 26px; background: var(--mustard); color: var(--ink); position: relative; overflow: hidden; }
.beca::after { content: ""; position: absolute; inset: 0; background-image: var(--grain); opacity: .4; mix-blend-mode: multiply; pointer-events: none; }
.beca > * { position: relative; z-index: 1; }
.beca__icon { display: grid; place-items: center; width: 60px; height: 60px; border-radius: 50%; background: var(--paper); }
.beca__icon svg { width: 34px; fill: none; stroke: var(--terra); stroke-width: 2; }
.beca h3 { font-size: 22px; font-weight: 800; font-stretch: 108%; text-transform: uppercase; margin-bottom: 6px; }
.beca p { margin-bottom: 14px; }

.receipt {
  position: relative;
  background: var(--card);
  padding: 30px 32px 34px;
  box-shadow: 0 30px 60px -30px rgba(28,33,36,.35);
  /* borde dentado inferior */
  -webkit-mask: radial-gradient(10px 7px at 50% 100%, transparent 98%, #000) 0 0 / 20px 100% repeat-x;
          mask: radial-gradient(10px 7px at 50% 100%, transparent 98%, #000) 0 0 / 20px 100% repeat-x;
  padding-bottom: 44px;
}
.receipt__head { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; padding-bottom: 16px; border-bottom: 2px solid var(--ink); font-size: 12px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-3); }
.receipt__head .logo-mark { color: var(--ink); }
.receipt__rows { margin: 0; }
.receipt__row { display: flex; align-items: baseline; gap: 12px; padding: 20px 0; border-bottom: 1px dashed var(--paper-3); }
.receipt__row dt { font-size: 18px; font-weight: 600; }
.receipt__row dt small { display: block; font-weight: 400; font-size: 14px; color: var(--ink-3); }
.receipt__row::after { content: ""; order: 1; flex: 1; border-bottom: 2px dotted var(--paper-3); transform: translateY(-5px); }
.receipt__row dd { order: 2; margin: 0; font-weight: 900; font-stretch: 115%; font-size: clamp(28px, 3vw, 36px); line-height: 1; color: var(--teal-deep); }
.receipt__note { margin-top: 22px; font-size: 14px; color: var(--ink-2); padding-left: 14px; border-left: 2px solid var(--terra); }

/* ---------- contacto ---------- */
.contact { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
.channels { display: grid; gap: 12px; margin-top: 34px; }
.channel { display: flex; align-items: center; gap: 16px; padding: 16px 18px; background: var(--card); border: 1.5px solid var(--ink); text-decoration: none; font-weight: 700; font-size: 18px; transition: transform .25s var(--ease), box-shadow .25s; word-break: break-word; }
.channel:hover { transform: translate(-2px, -2px); box-shadow: 4px 4px 0 var(--ink); }
.channel small { display: block; font-size: 11.5px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 2px; }
.channel__icon { flex: none; display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%; }
.channel__icon svg { width: 24px; height: 24px; fill: none; stroke: var(--paper); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.channel__icon--teal { background: var(--teal); }
.channel__icon--terra { background: var(--terra); }

.form { background: var(--card); border: 1.5px solid var(--ink); padding: clamp(24px, 3.5vw, 40px); box-shadow: 10px 10px 0 var(--terra); }
.form__title { font-size: 12.5px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; margin-bottom: 22px; padding-bottom: 16px; border-bottom: 2px solid var(--ink); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 6px; margin-bottom: 18px; min-width: 0; }
.field label, .field legend { font-size: 14px; font-weight: 600; color: var(--ink); }
.field input[type="text"], .field input[type="email"], .field input[type="tel"] {
  width: 100%; min-height: 50px; padding: 12px 14px;
  font: 400 16px var(--font-sans); color: var(--ink);
  background: var(--paper); border: 1.5px solid var(--paper-3); border-radius: var(--radius);
  transition: border-color .2s, background-color .2s;
}
.field input:focus { outline: none; border-color: var(--teal); background: #fff; }
.field input.is-invalid { border-color: var(--terra); }
.field--choice { border: 0; padding: 0; margin: 4px 0 18px; }
.field--choice legend { margin-bottom: 10px; padding: 0; }
.choice { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border: 1.5px solid var(--paper-3); border-radius: var(--radius); cursor: pointer; margin-top: 8px; font-size: 15.5px; transition: border-color .2s, background-color .2s; }
.choice:hover { border-color: var(--ink-3); }
.choice input { appearance: none; -webkit-appearance: none; flex: none; width: 20px; height: 20px; margin: 0; border: 1.5px solid var(--ink); border-radius: 50%; display: grid; place-items: center; cursor: pointer; }
.choice input::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--terra); transform: scale(0); transition: transform .2s var(--ease); }
.choice input:checked::before { transform: scale(1); }
.choice:has(input:checked) { border-color: var(--ink); background: var(--paper); }
.form__error { color: var(--terra-deep); font-weight: 600; font-size: 14.5px; margin-bottom: 14px; }
.form__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.form__hint { margin-top: 14px; font-size: 13.5px; color: var(--ink-3); }

/* ---------- CTA inscripción ---------- */
.cta { position: relative; overflow: hidden; color: var(--paper); padding: clamp(72px, 9vw, 120px) 0; }
.cta__art { position: relative; }
.cta__grid::after { content: ""; position: absolute; left: 62%; right: -100vw; top: 50%; height: 1.5px; background: var(--gold); opacity: .9; z-index: -1; }
.cta__grid { position: relative; z-index: 0; display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.cta__title { font-weight: 900; font-stretch: 112%; text-transform: uppercase; font-size: clamp(34px, 5vw, 64px); line-height: .98; letter-spacing: -.015em; margin-bottom: 36px; }
.cta__title .serif { text-transform: none; color: var(--paper); font-size: 1.1em; display: inline; }
.cta__art { margin: 0; justify-self: center; width: min(100%, 420px); aspect-ratio: 1; border-radius: 50%; background: var(--paper); overflow: hidden; border: 1.5px solid var(--ink); box-shadow: 12px 12px 0 var(--ink); }
.cta__art img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.18); }

/* ---------- footer ---------- */
.footer { background: var(--ink); color: rgba(241,235,223,.8); padding: 72px 0 0; }
.footer__grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer__brand .logo-full { color: var(--paper); width: 132px; margin-bottom: 18px; }
.footer__brand p { max-width: 32ch; font-size: 15px; }
.footer__label { font-size: 12px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; color: var(--mustard); margin-bottom: 16px; }
.footer ul li { margin-bottom: 4px; font-size: 15px; }
.footer ul a { display: inline-block; padding: 7px 0; }
.footer a { text-decoration: none; transition: color .2s; }
.footer a:hover { color: var(--paper); text-decoration: underline; text-underline-offset: 3px; }
.footer__bottom { border-top: 1px solid rgba(241,235,223,.14); padding-top: 22px; padding-bottom: 22px; font-size: 13.5px; color: rgba(241,235,223,.55); }

/* franja de crédito (después del footer) */
.credit { display: block; text-align: center; background: var(--terra); color: #FFF8F0; font-size: 13px; font-weight: 600; letter-spacing: .08em; padding: 12px 16px; text-decoration: none; }
.credit:hover { background: var(--terra-deep); text-decoration: underline; text-underline-offset: 3px; }

/* botón flotante WhatsApp */
.wa-float {
  position: fixed; right: 18px; bottom: 18px; z-index: 60;
  width: 58px; height: 58px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--teal); color: var(--paper);
  border: 1.5px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform .25s var(--ease), box-shadow .25s;
}
.wa-float svg { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.wa-float:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--ink); }

/* ---------- revelado al hacer scroll ---------- */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }
.js .tilt-l.reveal.is-in { transform: rotate(-2deg); }
.js .tilt-r.reveal.is-in { transform: rotate(2.2deg); }
.js .pillar.reveal.is-in:nth-child(2) { transform: translateY(22px); }

/* entrada del hero (animación CSS, no depende de JS) */
.rise { animation: rise .9s var(--ease) both; }
.hero__copy .rise:nth-child(2) { animation-delay: .06s; }
.hero__copy .rise:nth-child(3) { animation-delay: .14s; }
.hero__copy .rise:nth-child(4) { animation-delay: .22s; }
.hero__copy .rise:nth-child(5) { animation-delay: .3s; }
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

.js .hero__art { opacity: 0; transform: scale(.96); transition: opacity 1s var(--ease) .15s, transform 1.2s var(--ease) .15s; }
.js .hero__art::after { transform: scaleX(0); transition: transform 1.6s var(--ease) .35s; }
.js.is-loaded .hero__art { opacity: 1; transform: none; }
.js.is-loaded .hero__art::after { transform: scaleX(1); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal, .js .hero__art { opacity: 1; transform: none; }
  .js .hero__art::after { transform: none; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1080px) {
  .nav__list { gap: 18px; }
  .nav__list a { font-size: 14px; }
  .modelo__grid { grid-template-columns: 1fr 1fr; }
  .mcard--wide { grid-column: 1 / -1; grid-row: auto; }
  .modelo__grid > .mcard:first-child { grid-column: 1 / -1; }
}

@media (max-width: 960px) {
  :root { --header-h: 64px; }
  .nav-toggle { display: block; z-index: 2; }
  .nav {
    position: fixed; inset: 0; z-index: 1;
    flex-direction: column; justify-content: center; gap: 36px;
    background: var(--paper);
    opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s;
  }
  .nav::before { content: ""; position: absolute; right: -20vw; top: 20%; width: 60vw; aspect-ratio: 1; border-radius: 50%; background: var(--mustard); opacity: .9; z-index: -1; }
  .nav.is-open { opacity: 1; visibility: visible; }
  .nav__list { flex-direction: column; align-items: center; gap: 8px; }
  .nav__list a { font-size: 26px; font-weight: 800; font-stretch: 110%; text-transform: uppercase; color: var(--ink); }
  .nav__cta { min-height: 52px; font-size: 14px; padding: 0 28px; }
  body.nav-open { overflow: hidden; }
  body.nav-open .wa-float { opacity: 0; pointer-events: none; }
  .brand { position: relative; z-index: 2; }

  .hero__grid, .split, .mission, .modelo__top, .curri-head, .req-head, .req-grid, .costs, .contact, .cta__grid, .areas { grid-template-columns: minmax(0, 1fr); }
  .hero__art { justify-self: center; max-width: 520px; order: -1; margin-bottom: 8px; }

  .stats__grid { grid-template-columns: 1fr 1fr; row-gap: 28px; }
  .stat:nth-child(3) { border-left: 0; padding-left: 0; }

  .collage { max-width: 560px; margin: 0 auto; width: 100%; }
  .section-head { grid-template-columns: 1fr; }
  .section-head__aside { justify-self: start; }
  .mission__art { position: relative; top: 0; max-width: 520px; margin: 0 auto; }
  .polaroid { max-width: 380px; }
  .curri-head__art { max-width: 480px; margin: 0 auto; order: -1; }
  .req-head__art { max-width: 260px; }
  .cta__art { order: -1; width: min(100%, 300px); }
  .cta__grid::after { top: 150px; left: 50%; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .hero__art { max-width: 330px; margin: -8px auto 0; }
  .hero__copy .eyebrow { margin-bottom: 16px; }
  .mission__art .art-grid--sm { right: 0; }
  .section { overflow-x: clip; }
  .pillars { grid-template-columns: 1fr; }
  .pillar:nth-child(2), .js .pillar.reveal.is-in:nth-child(2) { transform: none; }
  .modelo__grid { grid-template-columns: 1fr; }
  .rhythm__row { grid-template-columns: 1fr; gap: 10px; }
  .rhythm__total span { display: block; height: 0; overflow: hidden; margin: 0; }
  .area__list--2col { columns: 1; }
  .form__row { grid-template-columns: 1fr; gap: 0; }
  .form__actions .btn { width: 100%; }
  .mission__item { grid-template-columns: 60px 1fr; gap: 14px; }
  .mission__num { font-size: 48px; }
  .tree__branches { gap: 8px; }
  .tree__branches span { font-size: 11.5px; letter-spacing: .1em; padding: 8px 12px; max-width: 46vw; text-align: center; }
  .tree__lines { width: 50%; }
  .receipt { padding-left: 20px; padding-right: 20px; }
  .receipt__row { gap: 8px; }
  .receipt__row dd { font-size: 26px; }
  .stat__num { font-size: clamp(36px, 12vw, 48px); }
  .credit { padding-right: 76px; padding-left: 16px; }
  .receipt__head { grid-template-columns: auto 1fr; }
  .receipt__head span:last-child { grid-column: 1 / -1; }
  .doc { padding: 36px 22px 26px; box-shadow: 6px 6px 0 var(--teal); }
  .doc--alt { box-shadow: 6px 6px 0 var(--mustard); }
  .form { box-shadow: 6px 6px 0 var(--terra); }
  .footer__grid { grid-template-columns: 1fr; }
  .actions .btn { flex: 1 1 auto; }
  .stats__blocks { display: none; }
  .annot { display: none; }
  .hero__art .blocks--v { right: 0; }
  .wa-float { width: 52px; height: 52px; right: 14px; bottom: 14px; }
}

/* celular / tablet en horizontal (pantallas bajas) */
@media (max-width: 960px) and (min-width: 600px) and (orientation: landscape) {
  .hero__grid { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); }
  .hero__art { order: 0; max-width: 360px; margin: 0; }
  .cta__grid { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); }
  .cta__art { order: 0; }
  .cta__grid::after { top: 50%; left: 62%; }
}
@media (max-width: 960px) and (max-height: 560px) {
  .nav { justify-content: flex-start; gap: 18px; padding: calc(var(--header-h) + 8px) 0 24px; overflow-y: auto; }
  .nav__list { gap: 2px; }
  .nav__list a { font-size: 20px; }
}