/* Preuniversitario Gauss — sistema base */

:root {
  --rojo-intensivo: #E81500;
  --celeste-3ro: #B8D5FF;
  --morado-4to: #522DC8;
  --rosado-1y2do: #FFA8F4;
  --negro-egresado: #1D1918;
  --turquesa: #AEFFD8;

  --purp-50:  #EDE5FF;
  --purp-100: #B7A3F0;
  --purp-400: #8163DC;
  --purp-600: #522DC8;
  --purp-900: #2E1975;

  --pop: #AEFFD8;

  --tinta: #1D1918;
  --blanco: #FFFFFF;

  --ancho: 1180px;
  --gutter: 22px;
}

@font-face {
  font-family: 'Helvetica World';
  src: url('../fonts/HelveticaWorld-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Helvetica World';
  src: url('../fonts/HelveticaWorld-Bold.ttf') format('truetype');
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

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

body {
  margin: 0;
  font-family: 'Helvetica World', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-weight: 400;
  font-size: 15px;
  letter-spacing: -0.03em;
  line-height: 1.5;
  color: var(--tinta);
  background: var(--blanco);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-weight: 900;
  letter-spacing: -0.06em;
  line-height: 0.85;
  margin: 0 0 .5em;
}

h1 { font-size: 40px; }
h2 { font-size: 26px; }
h3 { font-size: 16px; line-height: 1.05; }

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

img { max-width: 100%; display: block; }

a { color: inherit; }

:focus-visible {
  outline: 3px solid var(--purp-600);
  outline-offset: 3px;
}

.contenedor {
  width: 100%;
  max-width: var(--ancho);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.eyebrow {
  font-size: 10px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin: 0 0 14px;
}

.salto-contenido {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--pop);
  color: var(--tinta);
  padding: 10px 16px;
  font-weight: 900;
  z-index: 200;
}
.salto-contenido:focus { left: 12px; top: 12px; }

/* ---------- Botones ---------- */

.btn {
  display: inline-block;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: -0.03em;
  padding: 13px 22px;
  border-radius: 3px;
  border: 2px solid transparent;
  text-decoration: none;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}

.btn--purpura { background: var(--purp-600); color: var(--blanco); border-color: var(--purp-600); }
.btn--purpura:hover { background: var(--purp-900); border-color: var(--purp-900); }

.btn--purpura-linea { background: transparent; color: var(--purp-600); border-color: var(--purp-600); }
.btn--purpura-linea:hover { background: var(--purp-600); color: var(--blanco); }

.btn--pop { background: var(--pop); color: var(--tinta); border-color: var(--pop); }
.btn--pop:hover { background: var(--blanco); border-color: var(--blanco); }

.btn--pop-linea { background: transparent; color: var(--pop); border-color: var(--pop); }
.btn--pop-linea:hover { background: var(--pop); color: var(--tinta); }

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

/* ---------- Header ---------- */

.cabecera {
  border-bottom: 1px solid rgba(29, 25, 24, .1);
  background: var(--blanco);
  position: sticky;
  top: 0;
  z-index: 100;
}

.cabecera__interior {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-block: 14px;
}

.marca { display: flex; align-items: center; gap: 10px; text-decoration: none; }

.marca__g {
  width: 32px;
  height: 32px;
  background: var(--purp-600);
  color: var(--blanco);
  font-weight: 900;
  font-size: 20px;
  letter-spacing: -0.06em;
  display: grid;
  place-items: center;
  border-radius: 3px;
  flex: none;
}

.marca__texto {
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.menu {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.menu a {
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--tinta);
}
.menu a:hover { color: var(--purp-600); }
.menu a[aria-current="page"] { color: var(--purp-600); }

.menu .btn { font-size: 11px; letter-spacing: 1px; text-transform: uppercase; padding: 9px 16px; }

/* ---------- Hero ---------- */

.hero {
  background: var(--purp-50);
  position: relative;
  overflow: hidden;
  padding-block: 56px 60px;
}

.hero__deco {
  position: absolute;
  right: -4%;
  bottom: -6%;
  font-size: 230px;
  font-weight: 900;
  letter-spacing: -0.09em;
  line-height: 0.7;
  color: var(--purp-100);
  opacity: .35;
  pointer-events: none;
  user-select: none;
}

.hero__interior { position: relative; z-index: 1; max-width: 760px; }
.hero .eyebrow { color: var(--purp-600); }
.hero h1 { margin-bottom: 22px; }
.hero__bajada { font-size: 15px; max-width: 54ch; margin-bottom: 26px; }

/* ---------- Trust strip ---------- */

.cifras { background: var(--blanco); padding-block: 44px; }

.cifras__grilla {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px 18px;
}

.cifra { text-align: center; }

.cifra__numero {
  display: block;
  font-size: 44px;
  font-weight: 900;
  letter-spacing: -0.06em;
  line-height: 0.85;
  color: var(--purp-600);
  margin-bottom: 10px;
}

.cifra__label {
  font-size: 12px;
  line-height: 1.35;
  color: var(--tinta);
  opacity: .75;
}

/* ---------- Origen ---------- */

.origen { background: var(--purp-50); padding-block: 56px; }
.origen .eyebrow { color: var(--purp-600); }
.origen__grilla { display: grid; gap: 32px; }
.origen__texto { max-width: 62ch; }

.cita {
  background: var(--purp-600);
  color: var(--blanco);
  padding: 30px 26px;
  border-radius: 4px;
  align-self: start;
}

.cita blockquote {
  margin: 0 0 18px;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -0.06em;
  line-height: 1.05;
}

.cita figcaption { font-size: 12px; line-height: 1.4; opacity: .85; }

/* ---------- Timeline ---------- */

.linea { background: var(--blanco); padding-block: 56px; }
.linea .eyebrow { color: var(--purp-600); }

.hitos {
  list-style: none;
  margin: 34px 0 0;
  padding: 0 0 0 26px;
  border-left: 3px solid var(--purp-600);
}

.hito { position: relative; padding-bottom: 34px; }
.hito:last-child { padding-bottom: 0; }

.hito::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 6px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--purp-600);
  border: 3px solid var(--blanco);
}

.hito--final::before { background: var(--pop); box-shadow: 0 0 0 2px var(--purp-600); }

.hito__anio {
  display: block;
  font-size: 26px;
  font-weight: 900;
  letter-spacing: -0.06em;
  line-height: 0.85;
  color: var(--purp-600);
  margin-bottom: 8px;
}

.hito--final .hito__anio { color: var(--purp-900); }
.hito h3 { margin-bottom: 8px; }
.hito p { font-size: 14px; max-width: 62ch; opacity: .85; }

.hito__foto {
  max-width: 420px;
  margin-top: 16px;
  border-radius: 4px;
  overflow: hidden;
  background: var(--purp-50);
  aspect-ratio: 3 / 2;
}
.hito__foto img { width: 100%; height: 100%; object-fit: cover; }
/* ---------- Fundador ---------- */

.fundador { background: var(--purp-600); color: var(--blanco); padding-block: 56px; }
.fundador .eyebrow { color: var(--pop); }
.fundador__grilla { display: grid; gap: 28px; }
.fundador__texto { max-width: 60ch; }
.fundador__texto p { opacity: .92; }

.retrato {
  max-width: 300px;
  margin-inline: auto;
  background: var(--purp-400);
  border-radius: 4px;
  overflow: hidden;
  aspect-ratio: 2 / 3;
}
.retrato img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Equipo ---------- */

.equipo { background: var(--blanco); padding-block: 56px; }
.equipo .eyebrow { color: var(--purp-600); }
.equipo__texto { max-width: 62ch; margin-bottom: 30px; }

.foto-ancha {
  max-width: 760px;
  margin-inline: auto;
  background: var(--purp-50);
  border-radius: 4px;
  overflow: hidden;
  aspect-ratio: 3 / 2;
}
.foto-ancha img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Hoy ---------- */

.hoy { background: var(--purp-50); padding-block: 56px; }
.hoy .eyebrow { color: var(--purp-600); }
.hoy__grilla { display: grid; gap: 28px; }
.hoy__texto { max-width: 62ch; }

.foto-alta {
  background: var(--purp-100);
  border-radius: 4px;
  overflow: hidden;
  aspect-ratio: 3 / 2;
}
.foto-alta img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- CTA final ---------- */

.cierre {
  background: var(--tinta);
  color: var(--blanco);
  position: relative;
  overflow: hidden;
  padding-block: 62px;
}

.cierre__deco {
  position: absolute;
  right: -3%;
  top: 50%;
  transform: translateY(-50%);
  font-size: 330px;
  font-weight: 900;
  letter-spacing: -0.09em;
  line-height: 0.7;
  color: var(--purp-600);
  opacity: .35;
  pointer-events: none;
  user-select: none;
}

.cierre__interior { position: relative; z-index: 1; max-width: 620px; }
.cierre .eyebrow { color: var(--pop); }
.cierre__bajada { margin-bottom: 26px; opacity: .85; max-width: 52ch; }

/* ---------- Footer ---------- */

.pie { background: var(--tinta); color: var(--blanco); padding-block: 38px; border-top: 1px solid rgba(255,255,255,.12); }
.pie__grilla { display: grid; gap: 22px; }
.pie__datos { font-size: 13px; opacity: .8; }
.pie__datos p { margin-bottom: .5em; }

.pie__enlaces { display: flex; flex-wrap: wrap; gap: 8px 16px; list-style: none; margin: 0; padding: 0; font-size: 13px; }
.pie__enlaces a { opacity: .8; text-decoration: none; }
.pie__enlaces a:hover { opacity: 1; color: var(--pop); }

.pie__copy { font-size: 12px; opacity: .55; }

/* ---------- Desktop ---------- */

@media (min-width: 860px) {
  body { font-size: 15px; }

  h1 { font-size: 62px; }
  h2 { font-size: 34px; }
  h3 { font-size: 18px; }

  .cabecera__interior { padding-block: 16px; }
  .menu { gap: 22px; }

  .hero { padding-block: 92px 96px; }
  .hero__deco { font-size: 380px; right: 1%; bottom: -12%; }
  .hero__bajada { font-size: 16px; }

  .cifras { padding-block: 62px; }
  .cifras__grilla { grid-template-columns: repeat(4, 1fr); gap: 26px; }
  .cifra__numero { font-size: 62px; }

  .origen, .linea, .fundador, .equipo, .hoy { padding-block: 90px; }

  .origen__grilla { grid-template-columns: 1.5fr 1fr; gap: 54px; }
  .cita { padding: 40px 34px; }
  .cita blockquote { font-size: 26px; }

  .hitos { padding-left: 34px; }
  .hito { padding-bottom: 44px; }
  .hito::before { left: -43px; }
  .hito__anio { font-size: 34px; }

  .fundador__grilla { grid-template-columns: 34% 1fr; gap: 54px; align-items: center; }
  .retrato { max-width: 340px; margin-inline: 0; }

  .hoy__grilla { grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }

  .cierre { padding-block: 104px; }
  .cierre__deco { font-size: 520px; right: 4%; }

  .pie { padding-block: 52px; }
  .pie__grilla { grid-template-columns: auto 1fr auto; align-items: start; gap: 44px; }
  .pie__enlaces { justify-content: flex-end; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}