/* ============================================
   EVENTO EDUTEKA 13 — Sistema de diseño
   Centro Eduteka · Universidad Icesi
   ============================================ */

/* ---- Tokens ---- */
:root {
  /* Paleta marca Icesi */
  --azul-icesi: #5454e9;
  --azul-icesi-light: #8b8bef;
  --azul-icesi-soft: #ebebff;
  --azul-icesi-deep: #3a3acf;
  --amarillo-icesi: #e4eb60;
  --amarillo-icesi-soft: #f5f8c5;
  --naranja-icesi: #e9683b;
  --verde-icesi: #4cb979;
  --morado-icesi: #865cf0;
  --gris-1: #88898c;
  --gris-2: #cecfd4;
  --gris-suave: #f5f5f7;
  --negro: #1a1a1a;
  --blanco: #ffffff;

  /* Tipografía */
  --font-display: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* Escala fluida */
  --fs-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.85rem);
  --fs-sm: clamp(0.875rem, 0.83rem + 0.2vw, 0.95rem);
  --fs-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --fs-lg: clamp(1.125rem, 1.05rem + 0.4vw, 1.375rem);
  --fs-xl: clamp(1.375rem, 1.2rem + 0.7vw, 1.75rem);
  --fs-2xl: clamp(1.75rem, 1.4rem + 1.5vw, 2.5rem);
  --fs-3xl: clamp(2.25rem, 1.7rem + 2.5vw, 3.5rem);
  --fs-4xl: clamp(3rem, 2rem + 4.5vw, 5.5rem);
  --fs-mega: clamp(5rem, 3rem + 9vw, 11rem);

  /* Espaciado */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 24px;
  --s-6: 32px;
  --s-7: 48px;
  --s-8: 64px;
  --s-9: 96px;
  --s-10: 128px;

  /* Layout */
  --container-max: 1280px;
  --container-pad: clamp(20px, 5vw, 56px);

  /* Radii — todos rectos. Solo --r-circle para círculos puros */
  --r-sm: 0;
  --r-md: 0;
  --r-lg: 0;
  --r-xl: 0;
  --r-2xl: 0;
  --r-full: 0;
  --r-circle: 50%;

  /* Sombras */
  --shadow-sm: 0 1px 2px rgba(20, 20, 50, 0.06);
  --shadow-md: 0 8px 24px rgba(84, 84, 233, 0.08);
  --shadow-lg: 0 20px 60px rgba(84, 84, 233, 0.15);

  /* Transiciones */
  --t-fast: 180ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-med: 320ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-slow: 600ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.55;
  color: var(--negro);
  background: var(--blanco);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* Accesibilidad: focus visible con outline azul Icesi */
*:focus { outline: none; }
*:focus-visible {
  outline: 3px solid var(--azul-icesi);
  outline-offset: 3px;
}
.btn--primary:focus-visible,
.btn--accent:focus-visible {
  outline-offset: 4px;
}

/* Skip link para lectores de pantalla / navegación por teclado */
.skip-link {
  position: absolute;
  left: 16px;
  top: -50px;
  z-index: 200;
  padding: 12px 20px;
  background: var(--azul-icesi);
  color: var(--blanco);
  font-weight: 700;
  font-size: var(--fs-sm);
  transition: top var(--t-fast);
}
.skip-link:focus {
  top: 16px;
}

h1, h2, h3, h4, h5, h6 { margin: 0; font-family: var(--font-display); line-height: 1.05; letter-spacing: -0.02em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

/* ---- Layout helpers ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-inline: var(--container-pad);
}
.section { padding-block: clamp(60px, 8vw, 120px); }
.section--tight { padding-block: clamp(40px, 5vw, 72px); }

/* ---- Highlight (bloque amarillo firma de marca) ---- */
.hl {
  background: var(--amarillo-icesi);
  color: var(--azul-icesi);
  padding: 0.05em 0.25em;
  display: inline-block;
  line-height: 1.1;
}
.hl--block {
  padding: 0.4em 0.7em;
  display: inline-block;
}

/* ============================================
   NAV
   ============================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: transparent;
  backdrop-filter: none;
  border-bottom: none;
  transition: box-shadow var(--t-fast), background var(--t-fast), backdrop-filter var(--t-fast);
}
.nav.is-scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  box-shadow: 0 4px 24px rgba(20, 20, 50, 0.06);
  border-bottom: 1px solid rgba(84, 84, 233, 0.08);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 16px;
  gap: 24px;
}
.nav__brand { display: flex; align-items: center; gap: 12px; }
.nav__logo {
  font-size: 28px;
}
.nav__menu {
  display: flex;
  gap: 4px;
  align-items: center;
}
.nav__link {
  padding: 10px 16px;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--blanco);
  border-radius: var(--r-full);
  transition: all var(--t-fast);
}
.nav__link:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--blanco);
}
.nav__link.is-active {
  background: rgba(255, 255, 255, 0.2);
  color: var(--blanco);
}
.nav.is-scrolled .nav__link {
  color: var(--negro);
}
.nav.is-scrolled .nav__link:hover {
  background: var(--azul-icesi-soft);
  color: var(--azul-icesi);
}
.nav.is-scrolled .nav__link.is-active {
  background: var(--azul-icesi);
  color: var(--blanco);
}
.nav__cta {
  padding: 10px 20px;
  font-size: var(--fs-sm);
  font-weight: 600;
  background: var(--azul-icesi);
  color: var(--blanco);
  border-radius: var(--r-full);
  transition: all var(--t-fast);
}
.nav__cta:hover { background: var(--azul-icesi-deep); transform: translateY(-1px); }
.nav__toggle { display: none; }

@media (max-width: 880px) {
  .nav__menu, .nav__cta { display: none; }
  .nav__toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    background: rgba(255,255,255,0.15);
    border-radius: var(--r-full);
  }
  .nav.is-scrolled .nav__toggle {
    background: var(--negro);
  }
  .nav__toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--blanco);
    border-radius: 0;
  }
  .nav.is-open .nav__menu {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--blanco);
    padding: 16px;
    gap: 4px;
    border-bottom: 1px solid rgba(84, 84, 233, 0.08);
    box-shadow: var(--shadow-md);
  }
  .nav.is-open .nav__cta {
    display: inline-block;
    margin-top: 8px;
    text-align: center;
  }
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  margin-top: -73px;
  padding-top: 73px;
  background: url('../img/fondo-hero.png') center center / cover no-repeat;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom,
    rgba(0,0,0,0.25) 0%,
    rgba(0,0,0,0.55) 50%,
    rgba(0,0,0,0.78) 100%);
  z-index: 0;
}
.hero__container {
  position: relative;
  z-index: 1;
  width: 100%;
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding-block: clamp(40px, 6vw, 80px) clamp(40px, 5vw, 64px);
}

/* Logo del hero: font-size define su tamaño */
.hero__logo {
  font-size: clamp(72px, 10vw, 148px);
  margin-bottom: 20px;
  animation: fadeUp 0.9s 0.1s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

/* Tagline */
.hero__tagline {
  font-size: var(--fs-lg);
  font-weight: 400;
  color: rgba(255,255,255,0.9);
  margin-bottom: 28px;
  max-width: 520px;
  animation: fadeUp 0.9s 0.2s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
.hero__tagline strong {
  font-weight: 700;
  color: var(--blanco);
}

/* Meta fecha / lugar */
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  margin-bottom: 36px;
  animation: fadeUp 0.9s 0.3s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
.hero__meta-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--blanco);
  line-height: 1.4;
}
.hero__meta-item svg {
  width: 20px;
  height: 20px;
  color: var(--blanco);
  flex-shrink: 0;
  margin-top: 2px;
}

/* CTAs */
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 48px;
  animation: fadeUp 0.9s 0.4s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
@media (max-width: 540px) {
  .hero__ctas {
    flex-direction: column;
    align-items: stretch;
  }
  .hero__ctas .btn {
    justify-content: center;
    width: 100%;
  }
}

/* Partner logos */
.hero__partners {
  animation: fadeUp 0.9s 0.5s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
.hero__partners-logo {
  height: clamp(80px, 4vw, 52px);
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

/* Redes sociales — sidebar derecho */
.hero__social {
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.hero__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  color: var(--blanco);
  transition: background var(--t-fast), transform var(--t-fast);
  backdrop-filter: blur(4px);
}
.hero__social-link:hover {
  background: rgba(255,255,255,0.3);
  transform: scale(1.1);
}
.hero__social-link svg {
  width: 16px;
  height: 16px;
}
@media (max-width: 768px) {
  .hero__social { display: none; }
}

/* ---- Botones ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  font-size: var(--fs-base);
  font-weight: 600;
  border-radius: var(--r-full);
  transition: all var(--t-fast);
  cursor: pointer;
  white-space: nowrap;
}
.btn--primary {
  background: var(--azul-icesi);
  color: var(--blanco);
}
.btn--primary:hover {
  background: var(--azul-icesi-deep);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(84, 84, 233, 0.35);
}
.btn--accent {
  background: var(--amarillo-icesi);
  color: var(--azul-icesi);
}
.btn--accent:hover {
  background: var(--azul-icesi);
  color: var(--amarillo-icesi);
  transform: translateY(-2px);
}
.btn--ghost {
  background: transparent;
  color: var(--blanco);
  border: 2px solid rgba(255,255,255,0.6);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--blanco);
  color: var(--blanco);
  transform: translateY(-2px);
}
.btn--orange {
  background: var(--naranja-icesi);
  color: var(--blanco);
}
.btn--orange:hover {
  background: #d45a2e;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(233, 104, 59, 0.35);
}
.btn--sm { padding: 10px 18px; font-size: var(--fs-sm); }
.btn--lg { padding: 18px 32px; font-size: var(--fs-lg); }
.btn svg { width: 18px; height: 18px; }
.btn:hover svg { transform: translateX(3px); transition: transform var(--t-fast); }

/* ============================================
   LÍNEA TEMÁTICA (banda destacada)
   ============================================ */
.tema {
  background: var(--azul-icesi);
  color: var(--blanco);
  padding: clamp(28px, 4vw, 48px) 0;
}
.tema__inner {
  display: flex;
  flex-direction: column;
  gap: 28px;
  align-items: flex-start;
}
@media (min-width: 768px) {
  .tema__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
  }
}
.tema__copy {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.tema__label {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.85;
}
.tema__title {
  font-size: var(--fs-2xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.tema__title strong {
  background: var(--amarillo-icesi);
  color: var(--azul-icesi);
  padding: 0.04em 0.2em;
}
.tema__tagline {
  font-size: var(--fs-base);
  font-weight: 400;
  opacity: 0.95;
  margin-top: 4px;
}
.tema__tagline strong {
  font-weight: 700;
  color: var(--blanco);
}
.tema__op {
  color: var(--naranja-icesi);
  font-weight: 800;
}
.tema__date {
  display: flex;
  align-items: center;
  gap: 18px;
  background: rgba(255, 255, 255, 0.12);
  padding: 20px 28px;
  border-radius: var(--r-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
  backdrop-filter: blur(4px);
}
.tema__date-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  opacity: 0.9;
}
.tema__date-day {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
}
.tema__date-rest { font-size: var(--fs-sm); opacity: 0.85; margin-top: 4px; }

/* ============================================
   QUÉ ES
   ============================================ */
.que-es {
  background: var(--blanco);
}
.que-es__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: start;
}
@media (min-width: 1024px) {
  .que-es__inner {
    grid-template-columns: 1fr 1.15fr;
    gap: 72px;
  }
}
.que-es__copy h2 {
  font-size: var(--fs-3xl);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 20px;
  color: var(--negro);
}
.que-es__copy h2 .hl {
  background: var(--amarillo-icesi);
  color: var(--negro);
  padding: 0 6px 2px;
  border-radius: 4px;
  display: inline;
}
.que-es__copy p {
  font-size: var(--fs-base);
  color: var(--gris-1);
  margin-bottom: 14px;
  max-width: 520px;
  line-height: 1.65;
}
.que-es__copy p strong { color: var(--negro); font-weight: 600; }
.que-es__quote {
  margin-top: 24px;
  padding: 0 0 0 20px;
  border-left: 3px solid var(--azul-icesi);
  font-size: var(--fs-base);
  font-weight: 500;
  font-style: italic;
  color: var(--azul-icesi);
  max-width: 420px;
  line-height: 1.5;
}

/* Mini-stats dentro de que-es */
.que-es__mini-stats {
  margin-top: 32px;
}
.que-es__mini-stats-label {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--negro);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}
.que-es__mini-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
@media (max-width: 600px) {
  .que-es__mini-stats-grid { grid-template-columns: repeat(2, 1fr); }
}
.mini-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-align: center;
}
.mini-stat__icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}
.mini-stat__icon svg { width: 20px; height: 20px; }
.mini-stat__icon--blue  { background: #e8e8fc; color: var(--azul-icesi); }
.mini-stat__icon--red   { background: #fde8e4; color: var(--naranja-icesi); }
.mini-stat__icon--green { background: #e0f5ea; color: var(--verde-icesi); }
.mini-stat__icon--yellow { background: #faf8d4; color: #b8a800; }
.mini-stat__num {
  font-size: var(--fs-xl);
  font-weight: 800;
  color: var(--negro);
  letter-spacing: -0.03em;
  line-height: 1;
}
.mini-stat__label {
  font-size: var(--fs-xs);
  color: var(--gris-1);
  font-weight: 500;
}

/* Columna visual: foto + cards */
.que-es__visual {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.que-es__photo {
  width: 100%;
  height: clamp(200px, 28vw, 340px);
  object-fit: cover;
  border-radius: var(--r-lg);
  display: block;
}

/* Cards de actividades */
.actividades {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
@media (max-width: 540px) {
  .actividades { grid-template-columns: 1fr; }
}
.actividad {
  padding: 22px 18px;
  background: var(--gris-suave);
  border-radius: var(--r-lg);
  transition: all var(--t-med);
  border: 1px solid transparent;
}
.actividad:hover {
  background: var(--blanco);
  border-color: var(--azul-icesi);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.actividad__icon {
  width: 44px;
  height: 44px;
  background: var(--azul-icesi);
  color: var(--blanco);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.actividad:hover .actividad__icon { background: var(--amarillo-icesi); color: var(--azul-icesi); }
.actividad__icon svg { width: 20px; height: 20px; }
.actividad__title {
  font-size: var(--fs-base);
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--negro);
}
.actividad__desc {
  font-size: var(--fs-xs);
  color: var(--gris-1);
  line-height: 1.55;
}

/* ============================================
   STATS (Datos relevantes)
   ============================================ */
.stats {
  position: relative;
  color: var(--blanco);
  overflow: hidden;
  background: url('../img/stats section.png') center center / cover no-repeat;
}
.stats::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(60, 60, 200, 0.72);
  z-index: 0;
}
.stats .container {
  position: relative;
  z-index: 1;
}
.stats__header {
  text-align: center;
  margin-bottom: 56px;
}
.stats__eyebrow {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.85;
  margin-bottom: 16px;
}
.stats__title {
  font-size: var(--fs-3xl);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 16px;
}
.stats__title strong { color: var(--amarillo-icesi); }
.stats__subtitle {
  font-size: var(--fs-base);
  opacity: 0.85;
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.6;
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px 48px;
}
@media (min-width: 768px) {
  .stats__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 40px 64px;
  }
}
.stat {
  text-align: center;
}
.stat__num {
  font-size: clamp(4rem, 3rem + 7vw, 10rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.9;
  color: var(--amarillo-icesi);
  margin-bottom: 16px;
  display: block;
  font-variant-numeric: tabular-nums;
}
.stat__label {
  font-size: var(--fs-base);
  font-weight: 700;
  margin-bottom: 6px;
}
.stat__sub {
  font-size: var(--fs-xs);
  opacity: 0.75;
  line-height: 1.4;
}

/* ============================================
   25 AÑOS - banda celebración
   ============================================ */
.legado {
  background: var(--azul-icesi);
  color: var(--blanco);
  padding: clamp(64px, 9vw, 110px) 0;
  text-align: center;
}
.legado__inner {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.legado__seal {
  width: 140px;
  height: 140px;
  margin-bottom: 36px;
  display: block;
}
.legado__title {
  font-size: clamp(2rem, 1.4rem + 2.8vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 20px;
}
.legado__title .hl--block {
  display: inline-block;
  background: var(--amarillo-icesi);
  color: var(--azul-icesi);
  padding: 0.04em 0.3em;
  border-radius: 6px;
  margin: 4px 0;
}
.legado__sub {
  font-size: var(--fs-base);
  opacity: 0.88;
  max-width: 500px;
  line-height: 1.65;
}
.legado__sub strong { font-weight: 700; opacity: 1; }

/* ============================================
   CALI / SEDE
   ============================================ */
.sede {
  background: var(--blanco);
}
.sede__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}
@media (min-width: 900px) {
  .sede__inner { grid-template-columns: 1fr 1fr; gap: 64px; }
}

/* "Cali" con letras de colores */
.sede__cali {
  font-size: var(--fs-3xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  display: inline-block;
  margin-bottom: 4px;
}
.sede__cali .c1 { color: #0000dd; }
.sede__cali .c2 { color: #dd0000; }
.sede__cali .c3 { color: #ded6d6; }
.sede__cali .c4 { color: #00aa00; }

.sede__copy h2 {
  font-size: var(--fs-3xl);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 24px;
  color: var(--negro);
}
.sede__copy p {
  font-size: var(--fs-base);
  color: var(--gris-1);
  margin-bottom: 16px;
  max-width: 480px;
  line-height: 1.65;
}
.sede__copy p strong { color: var(--negro); font-weight: 600; }

.sede__visual {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  background: var(--azul-icesi);
}
.sede__photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.sede__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  color: var(--blanco);
  background: linear-gradient(to top, rgba(10,10,40,0.88) 0%, rgba(10,10,40,0.35) 45%, transparent 100%);
}
.sede__visual-tag {
  display: inline-block;
  align-self: flex-start;
  background: var(--amarillo-icesi);
  color: var(--azul-icesi);
  padding: 5px 14px;
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  font-weight: 700;
  margin-bottom: 12px;
}
.sede__visual-name {
  font-size: var(--fs-2xl);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.1;
}
.sede__visual-loc {
  font-size: var(--fs-sm);
  opacity: 0.9;
  margin-top: 6px;
}

/* ============================================
   OBJETIVOS
   ============================================ */
.objetivos__header {
  text-align: center;
  margin-bottom: 60px;
}
.objetivos__title {
  font-size: var(--fs-3xl);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 16px;
}
.objetivos__subtitle {
  font-size: var(--fs-lg);
  color: var(--gris-1);
  max-width: 640px;
  margin: 0 auto;
}
.objetivos__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.objetivo {
  padding: 32px 28px;
  background: var(--blanco);
  border-radius: var(--r-lg);
  border: 1px solid var(--gris-2);
  transition: all var(--t-med);
}
.objetivo:hover {
  border-color: var(--azul-icesi);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.objetivo__num {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--azul-icesi);
  margin-bottom: 16px;
  font-variant-numeric: tabular-nums;
}
.objetivo__icon {
  width: 56px;
  height: 56px;
  background: var(--amarillo-icesi);
  color: var(--azul-icesi);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: all var(--t-med);
}
.objetivo:hover .objetivo__icon { background: var(--azul-icesi); color: var(--amarillo-icesi); }
.objetivo__icon svg { width: 28px; height: 28px; }
.objetivo__title {
  font-size: var(--fs-lg);
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--negro);
}
.objetivo__desc {
  font-size: var(--fs-sm);
  color: var(--gris-1);
  line-height: 1.6;
}

/* ============================================
   PERFIL
   ============================================ */
.perfil {
  background: var(--azul-icesi-soft);
}
.perfil__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: start;
}
@media (min-width: 900px) {
  .perfil__inner { grid-template-columns: 1fr 1fr; gap: 72px; }
}
.perfil__copy h2 {
  font-size: var(--fs-3xl);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 24px;
}
.perfil__copy p {
  font-size: var(--fs-lg);
  color: var(--gris-1);
  max-width: 540px;
}
.perfil__list {
  display: grid;
  gap: 12px;
}
.perfil__item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--blanco);
  border-radius: var(--r-md);
  font-size: var(--fs-base);
  font-weight: 500;
  transition: all var(--t-fast);
}
.perfil__item:hover { transform: translateX(6px); }
.perfil__item-num {
  width: 32px;
  height: 32px;
  background: var(--azul-icesi);
  color: var(--blanco);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-sm);
  font-weight: 700;
  flex-shrink: 0;
}

/* ============================================
   ALIADOS
   ============================================ */
/* ============================================
   PATROCINADORES 2026
   ============================================ */
.patrocinadores {
  background: var(--blanco);
  text-align: center;
}
.patrocinadores__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 48px;
}
.patrocinadores__title {
  font-size: var(--fs-3xl);
  font-weight: 800;
  color: var(--negro);
  letter-spacing: -0.025em;
}
.patrocinadores__badge {
  display: inline-block;
  background: var(--amarillo-icesi);
  color: var(--negro);
  font-size: var(--fs-lg);
  font-weight: 700;
  padding: 2px 20px;
  border-radius: 4px;
}
.patrocinadores__logos {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
}
@media (min-width: 600px) {
  .patrocinadores__logos {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 48px 72px;
  }
}
.patrocinadores__logo-item {
  background: var(--blanco);
  aspect-ratio: 1.8/1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 16px;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--negro);
  text-align: center;
  transition: background var(--t-fast);
  line-height: 1.3;
}
.patrocinadores__logo-item:hover { opacity: 0.8; }
.patrocinadores__logo-item img {
  max-width: 100%;
  max-height: 500px;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  transition: opacity var(--t-fast);
}

.aliados__header {
  text-align: center;
  margin-bottom: 56px;
}
.aliados__title {
  font-size: var(--fs-3xl);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 16px;
  color: var(--negro);
}
.aliados__hl {
  background: var(--amarillo-icesi);
  color: var(--negro);
  padding: 0.04em 0.2em;
  border-radius: 6px;
}
.aliados__subtitle {
  font-size: var(--fs-base);
  color: var(--gris-1);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}
.aliados__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  width: 100%;
}
@media (min-width: 480px) { .aliados__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 600px) { .aliados__grid { grid-template-columns: repeat(3, 1fr); } }
.aliado {
  background: var(--blanco);
  aspect-ratio: 1.8/1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 20px 16px;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--negro);
  text-align: center;
  transition: background var(--t-fast);
  line-height: 1.3;
}
.aliado:hover {
  opacity: 0.8;
}
.aliado img {
  max-width: 100%;
  max-height: 200px;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  transition: opacity var(--t-fast);
}
.aliado:hover img { opacity: 0.85; }
.aliado--text {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--gris-1);
  letter-spacing: 0.01em;
}
.aliados__sep {
  grid-column: 1 / -1;
  text-align: center;
  font-size: var(--fs-xl);
  font-weight: 800;
  color: var(--negro);
  padding: 24px 0 8px;
}

/* ============================================
   POR QUÉ - SPONSOR PITCH
   ============================================ */
.por-que {
  background: var(--negro);
  color: var(--blanco);
}
.por-que__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}
@media (min-width: 1024px) {
  .por-que__inner { grid-template-columns: 1fr 1.3fr; gap: 72px; align-items: start; }
}
.por-que__title {
  font-size: var(--fs-3xl);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: 24px;
  color: var(--blanco);
}
.por-que__title-hl {
  color: var(--amarillo-icesi);
}
.por-que__copy p {
  font-size: var(--fs-base);
  opacity: 0.85;
  margin-bottom: 16px;
  max-width: 480px;
  line-height: 1.65;
}
.por-que__copy strong { color: var(--amarillo-icesi); font-weight: 600; }
.por-que__cta {
  margin-top: 32px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  background: var(--amarillo-icesi);
  color: var(--negro);
  font-size: var(--fs-base);
  font-weight: 700;
  border-radius: 6px;
  transition: all var(--t-fast);
}
.por-que__cta:hover { background: #d4db50; transform: translateY(-1px); }
.por-que__cta svg { width: 18px; height: 18px; }

.razones {
  display: grid;
  gap: 12px;
}
.razon {
  padding: 20px 22px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--r-lg);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: center;
  transition: all var(--t-med);
}
.razon:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(228, 235, 96, 0.4);
}
.razon--featured {
  grid-template-columns: auto 1fr auto;
  align-items: center;
}
.razon__icon {
  width: 48px;
  height: 48px;
  background: var(--amarillo-icesi);
  color: var(--negro);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.razon__icon svg { width: 24px; height: 24px; }
.razon__body { min-width: 0; }
.razon__title {
  font-size: var(--fs-base);
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.25;
  color: var(--blanco);
}
.razon__desc {
  font-size: var(--fs-xs);
  opacity: 0.75;
  line-height: 1.55;
}
.razon__desc strong { color: var(--amarillo-icesi); font-weight: 600; opacity: 1; }
.razon__img {
  width: clamp(90px, 10vw, 130px);
  height: clamp(65px, 7vw, 95px);
  object-fit: cover;
  border-radius: var(--r-md);
  flex-shrink: 0;
}

/* ============================================
   MEMORIAS
   ============================================ */
.memorias {
  background: var(--gris-suave);
}
.memorias__header {
  text-align: center;
  margin-bottom: 48px;
}
.memorias__title {
  font-size: var(--fs-3xl);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 12px;
}
.memorias__subtitle {
  font-size: var(--fs-base);
  color: var(--gris-1);
}
.memorias__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}
.memoria {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px 16px;
  background: var(--blanco);
  border-radius: var(--r-lg);
  text-align: center;
  transition: all var(--t-fast);
  border: 1px solid var(--gris-2);
}
.memoria:hover {
  background: var(--azul-icesi);
  color: var(--blanco);
  transform: translateY(-4px);
  border-color: var(--azul-icesi);
}
.memoria__year {
  font-size: var(--fs-xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
  color: var(--azul-icesi);
}
.memoria:hover .memoria__year { color: var(--amarillo-icesi); }
.memoria__label {
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.7;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--azul-icesi);
  color: var(--blanco);
  padding-top: clamp(60px, 8vw, 96px);
}
.footer__top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
@media (min-width: 768px) {
  .footer__top { grid-template-columns: 1.5fr 1fr 1fr; gap: 48px; }
}
.footer__brand-text {
  font-size: var(--fs-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 24px 0 16px;
}
.footer__brand-text strong {
  background: var(--amarillo-icesi);
  color: var(--azul-icesi);
  padding: 0.05em 0.25em;
  border-radius: 0;
}
.footer__brand-meta {
  font-size: var(--fs-sm);
  opacity: 0.85;
  max-width: 320px;
}
.footer__col h3 {
  font-size: var(--fs-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  opacity: 0.7;
  margin-bottom: 20px;
}
.footer__contact {
  display: grid;
  gap: 18px;
}
.footer__contact-item p {
  font-weight: 700;
  margin-bottom: 4px;
}
.footer__contact-item span {
  font-size: var(--fs-sm);
  opacity: 0.85;
  display: block;
}
.footer__contact-item a {
  font-size: var(--fs-sm);
  opacity: 0.85;
  text-decoration: underline;
  text-decoration-color: rgba(255,255,255,0.3);
  text-underline-offset: 3px;
  transition: all var(--t-fast);
}
.footer__contact-item a:hover { color: var(--amarillo-icesi); text-decoration-color: var(--amarillo-icesi); }
.footer__location {
  font-size: var(--fs-sm);
  opacity: 0.85;
  line-height: 1.6;
}
.footer__location strong { font-weight: 700; opacity: 1; display: block; margin-bottom: 4px; }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 32px 0;
  font-size: var(--fs-xs);
  opacity: 0.75;
}
.footer__social {
  display: flex;
  gap: 8px;
}
.footer__social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t-fast);
}
.footer__social a:hover {
  background: var(--amarillo-icesi);
  color: var(--azul-icesi);
}
.footer__social svg { width: 16px; height: 16px; }

/* ============================================
   PÁGINAS "PRÓXIMAMENTE"
   ============================================ */
.proximamente {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  padding-block: 80px;
  background: var(--blanco);
  position: relative;
  overflow: hidden;
}
.proximamente__bg-e {
  position: absolute;
  right: -12%;
  top: 50%;
  transform: translateY(-50%);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(500px, 80vw, 1000px);
  font-weight: 800;
  line-height: 0.7;
  color: var(--azul-icesi);
  opacity: 0.05;
  pointer-events: none;
  user-select: none;
}
.proximamente__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
  align-items: center;
}
@media (min-width: 900px) {
  .proximamente__inner { grid-template-columns: 1.3fr 1fr; gap: 80px; }
}
.proximamente__eyebrow {
  display: inline-block;
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--azul-icesi);
  background: var(--amarillo-icesi);
  padding: 8px 18px;
  border-radius: var(--r-full);
  margin-bottom: 24px;
}
.proximamente__title {
  font-size: var(--fs-4xl);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1;
  color: var(--azul-icesi);
  margin-bottom: 24px;
}
.proximamente__title-tag {
  display: inline-block;
  background: var(--azul-icesi);
  color: var(--amarillo-icesi);
  padding: 0.05em 0.3em;
  border-radius: 0;
  margin-top: 12px;
}
.proximamente__desc {
  font-size: var(--fs-xl);
  color: var(--gris-1);
  margin-bottom: 16px;
  max-width: 540px;
  line-height: 1.4;
}
.proximamente__desc strong { color: var(--negro); font-weight: 600; }
.proximamente__date-row {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--gris-suave);
  padding: 14px 22px;
  border-radius: var(--r-full);
  margin: 24px 0 36px;
  font-weight: 600;
}
.proximamente__date-row svg { width: 20px; height: 20px; color: var(--naranja-icesi); }
.proximamente__cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}
.proximamente__form {
  background: var(--gris-suave);
  padding: 24px;
  border-radius: var(--r-lg);
  max-width: 540px;
}
.proximamente__form-label {
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: 12px;
}
.proximamente__form-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.proximamente__input {
  flex: 1;
  min-width: 200px;
  padding: 14px 18px;
  border: 2px solid transparent;
  background: var(--blanco);
  border-radius: var(--r-full);
  font-family: inherit;
  font-size: var(--fs-base);
  color: var(--negro);
  outline: none;
  transition: all var(--t-fast);
}
.proximamente__input:focus { border-color: var(--azul-icesi); }

/* Visual lateral de "próximamente" */
.proximamente__visual {
  position: relative;
  aspect-ratio: 1;
  max-width: 460px;
  margin: 0 auto;
  width: 100%;
}
.proximamente__visual-shape {
  position: absolute;
  inset: 10%;
  background: var(--azul-icesi);
  border-radius: 40% 60% 50% 50% / 50%;
  animation: blob 16s ease-in-out infinite;
}
.proximamente__visual-shape::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, var(--azul-icesi-light), transparent 60%);
}
.proximamente__visual-shape-2 {
  position: absolute;
  inset: 20% 5% 5% 25%;
  background: var(--amarillo-icesi);
  border-radius: 60% 40% 50% 50% / 50%;
  mix-blend-mode: multiply;
  animation: blob 14s ease-in-out infinite reverse;
}
.proximamente__visual-13 {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blanco);
  font-size: clamp(8rem, 22vw, 12rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  z-index: 2;
  text-shadow: 0 10px 40px rgba(0,0,0,0.15);
}
@keyframes blob {
  0%, 100% { border-radius: 40% 60% 50% 50% / 50%; transform: rotate(0deg); }
  33% { border-radius: 60% 40% 60% 40% / 50%; transform: rotate(8deg); }
  66% { border-radius: 50% 50% 40% 60% / 50%; transform: rotate(-6deg); }
}

/* Sub-secciones de páginas internas */
.subsection {
  background: var(--gris-suave);
  padding-block: clamp(60px, 8vw, 100px);
}
.subsection__title {
  font-size: var(--fs-2xl);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 16px;
  text-align: center;
}
.subsection__subtitle {
  font-size: var(--fs-lg);
  color: var(--gris-1);
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

/* Cards de info para páginas internas (categorías, ejemplos pasados) */
.info-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.info-card {
  padding: 32px 28px;
  background: var(--blanco);
  border-radius: var(--r-lg);
  border: 1px solid var(--gris-2);
  transition: all var(--t-med);
}
.info-card:hover {
  border-color: var(--azul-icesi);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.info-card__tag {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--azul-icesi);
  background: var(--azul-icesi-soft);
  padding: 4px 12px;
  border-radius: var(--r-full);
  margin-bottom: 16px;
}
.info-card__title {
  font-size: var(--fs-lg);
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--negro);
}
.info-card__desc {
  font-size: var(--fs-sm);
  color: var(--gris-1);
  line-height: 1.55;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes gentleSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
/* Progresivo: visible por defecto. Solo se oculta cuando JS añade la clase 'js-on' al body */
.reveal {
  transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1),
              transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}
body.js-on .reveal:not(.is-visible) {
  opacity: 0;
  transform: translateY(28px);
}
body.js-on .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   BOTÓN VOLVER ARRIBA
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 90;
  width: 48px;
  height: 48px;
  background: var(--azul-icesi);
  color: var(--blanco);
  border: none;
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--t-med), visibility var(--t-med), transform var(--t-med), background var(--t-fast);
  border: 3px solid var(--blanco);
}
.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--azul-icesi-deep);
  transform: translateY(-3px);
}
.back-to-top svg {
  width: 20px;
  height: 20px;
  display: block;
}
@media (max-width: 540px) {
  .back-to-top { bottom: 20px; right: 20px; width: 42px; height: 42px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================
   COMPONENTES DE MARCA
   Logo Evento Eduteka 13 + Sello 25 años
   Construidos en HTML+CSS para ser vectoriales
   y escalar perfectamente. Tamaño controlado
   por font-size en el contenedor.
   ============================================ */

.brand-logo {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  color: var(--azul-icesi);
  display: inline-block;
  line-height: 1;
}
.brand-logo__top {
  display: block;
  font-size: 0.27em;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 0.04em;
  margin-left: 0.04em;
}
.brand-logo__main {
  font-size: 1em;
  font-weight: 800;
  letter-spacing: -0.06em;
  display: inline-flex;
  align-items: baseline;
  white-space: nowrap;
}
.brand-logo__digit {
  position: relative;
  display: inline-block;
}
.brand-logo__digit::before {
  content: "";
  position: absolute;
  top: -0.04em;
  left: 12%;
  width: 0.42em;
  height: 0.085em;
}
.brand-logo__digit--1::before { background: var(--naranja-icesi); }
.brand-logo__digit--3::before { background: var(--verde-icesi); }
.brand-logo__sub {
  font-size: 0.165em;
  font-weight: 500;
  letter-spacing: -0.005em;
  margin-top: 0.55em;
  margin-left: 0.2em;
  white-space: nowrap;
}
.brand-logo__op {
  font-weight: 800;
  font-size: 1.1em;
}
.brand-logo__op--plus { color: var(--naranja-icesi); }
.brand-logo__op--equals { color: var(--verde-icesi); }

/* Variante en blanco (footer azul) */
.brand-logo--inverse,
.brand-logo--inverse .brand-logo__top,
.brand-logo--inverse .brand-logo__main,
.brand-logo--inverse .brand-logo__sub {
  color: var(--blanco);
}

/* Variante compacta — sin lema (para nav, footer) */
.brand-logo--compact .brand-logo__sub { display: none; }
.brand-logo--compact .brand-logo__top { font-size: 0.32em; margin-bottom: 0.06em; }

/* Nav logo blanco cuando no hay scroll (sobre el hero) */
.nav:not(.is-scrolled) .brand-logo,
.nav:not(.is-scrolled) .brand-logo__top,
.nav:not(.is-scrolled) .brand-logo__main {
  color: var(--blanco);
}
.nav.is-scrolled .brand-logo,
.nav.is-scrolled .brand-logo__top,
.nav.is-scrolled .brand-logo__main {
  color: var(--azul-icesi);
}

/* ---- Sello 25 años ---- */
.seal {
  position: relative;
  display: inline-block;
  width: 1em;
  aspect-ratio: 1 / 1;
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  color: var(--azul-icesi);
  line-height: 1;
}
.seal__rays {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.seal__inner {
  position: absolute;
  inset: 26% 18%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
}
.seal__25 {
  font-size: 0.36em;
  font-weight: 800;
  letter-spacing: -0.08em;
  display: inline-flex;
  align-items: baseline;
  position: relative;
  margin-bottom: 0.05em;
  line-height: 0.85;
}
.seal__digit {
  position: relative;
  display: inline-block;
}
.seal__digit--5::before {
  content: "";
  position: absolute;
  top: -0.05em;
  left: 18%;
  width: 0.55em;
  height: 0.085em;
  background: var(--naranja-icesi);
}
.seal__digit--2::after {
  content: "";
  position: absolute;
  bottom: 0.04em;
  left: 8%;
  width: 0.55em;
  height: 0.085em;
  background: var(--verde-icesi);
}
.seal__line {
  font-size: 0.07em;
  font-weight: 500;
  margin-top: 0.05em;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.seal__title {
  font-size: 0.085em;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-top: 0.15em;
  white-space: nowrap;
}