/* ============================================================
   AULA (178) — sistema de diseño según Manual de Identidad + Web v1.0
   Base crema, negro para texto/estructura, 3 colores de familia:
   Hacer (rojo) · Saber (azul) · Puentes (amarillo).
   Bebas Neue (titulares) · Inter (texto) · Space Mono (etiquetas/números).
   ============================================================ */

:root {
  --crema: #F6F3E9;
  --negro: #0B0B0B;
  --hacer: #FF2B2B;
  --saber: #0057FF;
  --puentes: #FFD200;
  --gris: #D7D7D7;
  --gris-suave: #efece2;

  --font-display: 'Bebas Neue', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Space Mono', 'Courier New', monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --wrap: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--crema);
  color: var(--negro);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }

h1, h2, h3 { font-family: var(--font-display); font-weight: 400; letter-spacing: 0.01em; margin: 0; text-transform: uppercase; }
.display { font-size: clamp(38px, 6vw, 74px); line-height: 0.98; }
.eyebrow { font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--negro); opacity: 0.65; }
.muted { color: rgba(11,11,11,0.62); }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 30px; border-radius: 999px; font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase; transition: transform 200ms var(--ease), background 200ms var(--ease); border: 2px solid var(--negro); }
.btn-primary { background: var(--negro); color: var(--crema); }
.btn-primary:hover { transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--negro); }
.btn-ghost:hover { background: var(--negro); color: var(--crema); }

/* ── Header ── */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 40; background: rgba(246,243,233,0.88); backdrop-filter: blur(10px); border-bottom: 2px solid var(--negro); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 78px; }
.nav-logo { display: flex; align-items: baseline; gap: 2px; font-family: var(--font-display); font-size: 26px; letter-spacing: 0.02em; }
.nav-logo .n178 span:nth-child(1) { color: var(--hacer); }
.nav-logo .n178 span:nth-child(2) { color: var(--saber); }
.nav-logo .n178 span:nth-child(3) { color: var(--puentes); }
.nav-logo .n178 { font-family: var(--font-mono); font-size: 15px; margin-left: 6px; letter-spacing: 0; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-family: var(--font-mono); font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.05em; }
.nav-cta { display: none; }
.nav-burger { display: none; background: none; border: 2px solid var(--negro); border-radius: 8px; width: 42px; height: 42px; font-size: 18px; cursor: pointer; }

/* ── Hero ── */
.hero { padding: 168px 0 90px; position: relative; overflow: hidden; }
.hero-logo-big { display: flex; align-items: center; gap: 14px; margin-bottom: 26px; }
.hero-logo-big .aula { font-family: var(--font-display); font-size: clamp(42px, 7vw, 84px); line-height: 1; }
.hero-trace { display: flex; gap: 3px; }
.hero-trace span { width: 10px; height: 42px; border-radius: 3px; }
.hero-trace span:nth-child(1) { background: var(--hacer); }
.hero-trace span:nth-child(2) { background: var(--saber); }
.hero-trace span:nth-child(3) { background: var(--puentes); }
.hero-sub { max-width: 62ch; font-size: 18px; line-height: 1.6; color: rgba(11,11,11,0.72); margin: 22px 0 36px; }
.hero-actions { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.hero-note { font-family: var(--font-mono); font-size: 12.5px; color: rgba(11,11,11,0.55); }

/* ── Stats band ── */
.stats-band { border-top: 2px solid var(--negro); border-bottom: 2px solid var(--negro); background: var(--negro); color: var(--crema); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 34px 20px; text-align: center; border-left: 1px solid rgba(246,243,233,0.18); }
.stat:first-child { border-left: none; }
.stat-n { font-family: var(--font-display); font-size: clamp(30px, 4vw, 48px); line-height: 1; }
.stat-l { font-family: var(--font-mono); font-size: 11.5px; margin-top: 8px; color: rgba(246,243,233,0.7); text-transform: uppercase; letter-spacing: 0.03em; }

/* ── Section ── */
.section { padding: clamp(64px, 8vw, 110px) 0; }
.section-head { max-width: 62ch; margin-bottom: 48px; }
.h2 { font-size: clamp(30px, 4.4vw, 52px); margin-top: 14px; line-height: 1.02; }

/* ── Concepto ── */
.concept-body { max-width: 780px; }
.concept-body p { font-size: 17px; line-height: 1.75; color: rgba(11,11,11,0.78); margin: 0 0 20px; }
.concept-body p:last-child { margin-bottom: 0; }

/* ── Familias grid ── */
.fam-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--negro); border: 2px solid var(--negro); }
.fam-card { background: var(--crema); padding: 34px 28px; }
.fam-tag { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; padding: 5px 12px; border-radius: 999px; display: inline-block; color: var(--negro); font-weight: 700; }
.fam-card h3 { font-size: 24px; margin-top: 18px; }
.fam-card p { margin-top: 12px; font-size: 15px; line-height: 1.55; color: rgba(11,11,11,0.7); }

/* ── Oficios grid ── */
.of-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.of-card { border: 2px solid var(--negro); padding: 20px; background: var(--crema); position: relative; transition: transform 200ms var(--ease); }
.of-card:hover { transform: translateY(-4px); }
.of-num { font-family: var(--font-mono); font-size: 13px; font-weight: 700; display: inline-block; padding: 3px 9px; border-radius: 6px; color: var(--crema); margin-bottom: 14px; }
.of-card h4 { font-family: var(--font-body); font-weight: 700; font-size: 15px; margin: 0 0 8px; line-height: 1.3; text-transform: none; }
.of-card p { font-size: 13.5px; line-height: 1.5; color: rgba(11,11,11,0.68); margin: 0 0 12px; }
.of-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.of-tag { font-family: var(--font-mono); font-size: 10.5px; padding: 3px 8px; border-radius: 999px; border: 1px solid rgba(11,11,11,0.25); color: rgba(11,11,11,0.6); }
.of-card.zero { background: var(--negro); color: var(--crema); }
.of-card.zero h4, .of-card.zero p { color: var(--crema); }
.of-card.zero p { opacity: 0.75; }

/* ── Cómo se participa ── */
.steps-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; background: var(--negro); border: 2px solid var(--negro); }
.step-card { background: var(--crema); padding: 28px 24px; }
.step-n { font-family: var(--font-mono); font-size: 13px; font-weight: 700; }
.step-card h3 { font-size: 24px; margin-top: 14px; line-height: 1.05; }
.step-card p { margin: 10px 0 0; font-size: 14.5px; line-height: 1.55; color: rgba(11,11,11,0.7); }

/* ── Arma tu malla ── */
.malla { background: var(--gris-suave); border-top: 2px solid var(--negro); border-bottom: 2px solid var(--negro); }
.malla-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 28px; align-items: start; }
.malla-grid[hidden] { display: none; }
.malla-noscript { font-size: 16px; }
.malla-form { display: grid; gap: 18px; }
.malla-fam { border: 2px solid var(--negro); background: var(--crema); margin: 0; padding: 16px 18px 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; }
.malla-fam legend { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; font-weight: 700; padding: 0 8px; display: flex; align-items: center; gap: 8px; }
.fam-dot { display: inline-block; width: 11px; height: 11px; border-radius: 50%; flex-shrink: 0; border: 1px solid rgba(11,11,11,0.25); }
.malla-opt { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; line-height: 1.35; cursor: pointer; padding: 6px 0; }
.malla-opt input { width: 18px; height: 18px; margin: 1px 0 0; accent-color: var(--negro); flex-shrink: 0; cursor: pointer; }
.malla-opt b { font-family: var(--font-mono); font-size: 12px; margin-right: 4px; }
.malla-opt.is-fixed { cursor: default; opacity: 0.8; }
.malla-opt input:focus-visible { outline: 2px solid var(--saber); outline-offset: 2px; }
.malla-extra { display: grid; grid-template-columns: 1fr 1.6fr; gap: 14px; }
.malla-field { display: flex; flex-direction: column; gap: 6px; font-family: var(--font-mono); font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.04em; }
.malla-field input { font-family: var(--font-body); font-size: 15px; padding: 11px 12px; border: 2px solid var(--negro); border-radius: 0; background: var(--crema); color: var(--negro); text-transform: none; letter-spacing: 0; }
.malla-field input:focus-visible { outline: 2px solid var(--saber); outline-offset: 2px; }
.malla-out { background: var(--negro); color: var(--crema); padding: 28px 26px; position: sticky; top: 100px; }
.malla-list { margin: 16px 0 18px; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 9px; font-size: 15px; }
.malla-list li { display: flex; align-items: center; gap: 10px; }
.malla-list .fam-dot { border-color: rgba(246,243,233,0.3); }
.malla-bar { display: flex; height: 10px; gap: 2px; margin-bottom: 18px; background: rgba(246,243,233,0.12); }
.malla-sum { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 0 0 14px; }
.malla-sum dt { font-family: var(--font-mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.05em; color: rgba(246,243,233,0.6); }
.malla-sum dd { margin: 4px 0 0; font-family: var(--font-display); font-size: 28px; line-height: 1; }
.malla-tip { font-size: 14px; line-height: 1.5; color: rgba(246,243,233,0.85); border-left: 3px solid var(--puentes); padding-left: 12px; margin: 0 0 20px; }
.malla-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.malla-btn { background: var(--crema); color: var(--negro); border-color: var(--crema); cursor: pointer; padding: 12px 20px; font-size: 12px; }
.malla-btn:hover { transform: translateY(-2px); }
.malla-btn--ghost { background: transparent; color: var(--crema); }
.malla-btn:focus-visible { outline: 2px solid var(--puentes); outline-offset: 3px; }
.malla-note { font-size: 12px; color: rgba(246,243,233,0.55); margin: 16px 0 0; line-height: 1.5; }

/* ── Ingreso (ingreso.html) y páginas de texto ── */
.nav-back { font-family: var(--font-mono); font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.05em; }
.nav-login { font-family: var(--font-mono); font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.05em; border: 2px solid var(--negro); border-radius: 999px; padding: 8px 16px; }
.nav-login:hover { background: var(--negro); color: var(--crema); }
.ing { padding: 128px 0 80px; }
.ing-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: start; }
.ing-lead { font-size: 17px; line-height: 1.65; color: rgba(11,11,11,0.75); margin: 22px 0 26px; max-width: 52ch; }
.ing-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.ing-steps li { font-size: 15px; display: flex; gap: 12px; align-items: baseline; }
.ing-steps b { font-family: var(--font-mono); font-size: 12px; }
.ing-card { border: 2px solid var(--negro); background: #fff; padding: 30px 28px; }
.ing-loading { font-family: var(--font-mono); font-size: 13px; margin: 0; }
.ing-h2 { font-size: 36px; margin: 10px 0 6px; }
.ing-tabs { display: grid; grid-template-columns: 1fr 1fr; border: 2px solid var(--negro); margin-bottom: 24px; }
.ing-tabs button { font-family: var(--font-mono); font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.04em; padding: 12px 8px; border: 0; background: transparent; color: var(--negro); cursor: pointer; }
.ing-tabs button[aria-selected="true"] { background: var(--negro); color: var(--crema); }
.ing-tabs button:focus-visible, .ing-link:focus-visible { outline: 2px solid var(--saber); outline-offset: 2px; }
.ing-form { display: grid; gap: 16px; }
.ing-form[hidden] { display: none; }
.ing-field { display: grid; gap: 6px; }
.ing-field > span { font-weight: 600; font-size: 14.5px; }
.ing-field small { font-weight: 400; color: rgba(11,11,11,0.6); }
.ing-hint { font-size: 13px; color: rgba(11,11,11,0.62); margin-top: -2px; }
.ing-field input, .ing-field textarea { font: inherit; font-size: 15.5px; padding: 11px 12px; border: 2px solid var(--negro); border-radius: 0; background: var(--crema); color: var(--negro); width: 100%; }
.ing-field textarea { resize: vertical; min-height: 96px; line-height: 1.5; }
.ing-field input:focus-visible, .ing-field textarea:focus-visible { outline: 2px solid var(--saber); outline-offset: 2px; }
.ing-check { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; line-height: 1.45; }
.ing-check input { width: 18px; height: 18px; margin: 1px 0 0; accent-color: var(--negro); flex-shrink: 0; }
.ing-check a, .ing-delete a { text-decoration: underline; }
.ing-ts { min-height: 65px; }
.ing-submit { justify-content: center; cursor: pointer; }
.ing-submit:disabled { opacity: 0.6; cursor: progress; transform: none; }
.ing-msg { margin: 0; font-size: 14px; line-height: 1.45; min-height: 0; }
.ing-msg.is-error { color: #B3121B; font-weight: 600; }
.ing-msg.is-ok { color: #1F5130; }
.ing-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 22px 0 18px; }
.ing-link { background: none; border: 0; padding: 0; font: inherit; font-size: 14px; text-decoration: underline; cursor: pointer; color: var(--negro); }
.ing-delete, .ing-forgot { margin-top: 18px; font-size: 14px; }
.ing-delete summary, .ing-forgot summary { cursor: pointer; text-decoration: underline; }
.ing-delete form, .ing-forgot-body { display: grid; gap: 12px; margin-top: 14px; }
.ing-delete .btn, .ing-forgot .btn { justify-self: start; cursor: pointer; padding: 11px 20px; font-size: 12px; }
.ing-panel-note { font-size: 13px; color: rgba(11,11,11,0.6); }
.text-page { padding: 128px 0 80px; }
.text-page .wrap { max-width: 760px; }
.text-page h2 { font-size: 26px; margin: 36px 0 10px; }
.text-page p, .text-page li { font-size: 16px; line-height: 1.7; color: rgba(11,11,11,0.8); }
.text-page .draft { font-family: var(--font-mono); font-size: 12px; background: var(--puentes); padding: 6px 10px; display: inline-block; }

/* ── Manifiesto ── */
.manifest { background: var(--negro); color: var(--crema); }
.manifest-words { display: flex; flex-wrap: wrap; gap: 18px 40px; margin-bottom: 30px; }
.manifest-words span { font-family: var(--font-display); font-size: clamp(30px, 5.5vw, 58px); }
.manifest-words span:nth-child(1) { color: var(--hacer); }
.manifest-words span:nth-child(2) { color: var(--saber); }
.manifest-words span:nth-child(3) { color: var(--puentes); }
.manifest-words span:nth-child(4) { color: var(--crema); }
.manifest p.lead { max-width: 700px; font-size: 17px; line-height: 1.7; color: rgba(246,243,233,0.82); }
.manifest-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 44px; }
.manifest-item h5 { font-family: var(--font-body); font-weight: 700; font-size: 15px; margin: 0 0 8px; }
.manifest-item p { font-size: 13.5px; color: rgba(246,243,233,0.65); margin: 0; line-height: 1.5; }

/* ── Contacto ── */
.contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: start; }
.contact-card { border: 2px solid var(--negro); padding: 34px; }
.email-link { font-family: var(--font-display); font-size: 26px; display: inline-block; margin: 14px 0 18px; }
.contact-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.contact-list li { font-size: 14px; color: rgba(11,11,11,0.65); padding-left: 18px; position: relative; }
.contact-list li::before { content: '—'; position: absolute; left: 0; color: var(--negro); }

/* ── Footer ── */
.footer { border-top: 2px solid var(--negro); padding: 34px 0; }
.footer .wrap { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-meta { display: flex; gap: 18px; align-items: center; font-family: var(--font-mono); font-size: 12px; color: rgba(11,11,11,0.55); }
.footer-meta a { color: rgba(11,11,11,0.75); }

/* ── Reveal ── */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 650ms var(--ease), transform 650ms var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ── Responsive ── */
@media (max-width: 980px) {
  .of-grid { grid-template-columns: repeat(2, 1fr); }
  .fam-grid { grid-template-columns: 1fr; }
  .manifest-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .malla-grid { grid-template-columns: 1fr; }
  .malla-out { position: static; }
  .ing-grid { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 900px) {
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: flex-start; gap: 4px; background: var(--crema); border-bottom: 2px solid var(--negro); padding: 12px 28px 22px; }
  .nav.is-open .nav-links { display: flex; }
  .nav-links a { width: 100%; padding: 12px 0; border-bottom: 1px solid rgba(11,11,11,0.12); }
  .nav-burger { display: inline-flex; align-items: center; justify-content: center; }
  .nav-links a.nav-login { width: auto; margin-top: 10px; padding: 10px 18px; border: 2px solid var(--negro); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: none; }
}
@media (max-width: 620px) {
  .of-grid { grid-template-columns: 1fr; }
  .manifest-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .steps-grid { grid-template-columns: 1fr; }
  .malla-fam { grid-template-columns: 1fr; }
  .malla-extra { grid-template-columns: 1fr; }
  .malla-out { padding: 24px 20px; }
  .ing { padding-top: 108px; }
  .ing-card { padding: 22px 18px; }
  .nav-back { font-size: 11px; }
}