/* ============================================================
   Colegio CSD — Hoja de estilos compartida y optimizada.
   Diseño UI/UX moderno, accesible, responsivo y temático.
   ============================================================ */

:root {
  /* Paleta base (Modo Claro) */
  --paper: #F6F1E2;
  --paper-deep: #EBE1C7;
  --paper-muted: #F0E8D2;
  --ink: #1C1B33;
  --ink-soft: #4A4867;
  --ink-muted: #747196;

  /* Azules institucionales */
  --blue-900: #23256B;
  --blue-800: #2B2E85;
  --blue-700: #33369C;
  --blue-500: #4B4FC4;
  --blue-300: #7A7ED9;

  /* Amarillos / Dorados */
  --yellow-500: #FFC91B;
  --yellow-400: #FFD438;
  --yellow-300: #FFE9A3;
  --yellow-100: #FFF8DB;

  /* Verdes de acción / Éxito */
  --green-600: #128C7E;
  --green-500: #25D366;
  --green-100: #E8F8F0;

  /* Bordes y Líneas */
  --line: rgba(28, 27, 51, 0.12);
  --line-hover: rgba(28, 27, 51, 0.24);
  --line-on-blue: rgba(255, 255, 255, 0.18);
  --surface: #FFFDF6;
  --surface-alt: #F7F2E3;

  /* Sombras modernas multinivel */
  --shadow-sm: 0 2px 4px -1px rgba(28, 27, 51, 0.06), 0 1px 2px -1px rgba(28, 27, 51, 0.04);
  --shadow: 0 4px 14px -3px rgba(28, 27, 51, 0.08), 0 2px 6px -1px rgba(28, 27, 51, 0.04);
  --shadow-md: 0 10px 25px -5px rgba(28, 27, 51, 0.10), 0 4px 10px -2px rgba(28, 27, 51, 0.05);
  --shadow-hover: 0 16px 32px -6px rgba(28, 27, 51, 0.14), 0 6px 14px -3px rgba(35, 37, 107, 0.08);
  --shadow-glow-yellow: 0 0 22px -3px rgba(255, 201, 27, 0.45);

  /* Radios de borde */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --radius-pill: 999px;

  color-scheme: light;
}

:root[data-theme="dark"] {
  /* Paleta base (Modo Oscuro) */
  --paper: #14163A;
  --paper-deep: #1B1E4A;
  --paper-muted: #171940;
  --ink: #F2EEDD;
  --ink-soft: #C7C3E6;
  --ink-muted: #938FB8;

  --blue-900: #0E0F2E;
  --blue-800: #141644;
  --blue-700: #1B1D57;
  --blue-500: #2D30A0;
  --blue-300: #6569D1;

  --yellow-500: #FFCF33;
  --yellow-400: #FFD95C;
  --yellow-300: #7A6A2A;
  --yellow-100: #3A3215;

  --green-600: #1DA851;
  --green-500: #25D366;
  --green-100: #143324;

  --line: rgba(242, 238, 221, 0.14);
  --line-hover: rgba(242, 238, 221, 0.28);
  --line-on-blue: rgba(255, 255, 255, 0.14);
  --surface: #1B1E45;
  --surface-alt: #222656;

  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.35);
  --shadow: 0 6px 18px -2px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 12px 28px -4px rgba(0, 0, 0, 0.6);
  --shadow-hover: 0 18px 38px -4px rgba(0, 0, 0, 0.72), 0 0 20px -4px rgba(255, 207, 51, 0.15);
  --shadow-glow-yellow: 0 0 24px -2px rgba(255, 207, 51, 0.35);

  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #14163A;
    --paper-deep: #1B1E4A;
    --paper-muted: #171940;
    --ink: #F2EEDD;
    --ink-soft: #C7C3E6;
    --ink-muted: #938FB8;

    --blue-900: #0E0F2E;
    --blue-800: #141644;
    --blue-700: #1B1D57;
    --blue-500: #2D30A0;
    --blue-300: #6569D1;

    --yellow-500: #FFCF33;
    --yellow-400: #FFD95C;
    --yellow-300: #7A6A2A;
    --yellow-100: #3A3215;

    --green-600: #1DA851;
    --green-500: #25D366;
    --green-100: #143324;

    --line: rgba(242, 238, 221, 0.14);
    --line-hover: rgba(242, 238, 221, 0.28);
    --line-on-blue: rgba(255, 255, 255, 0.14);
    --surface: #1B1E45;
    --surface-alt: #222656;

    --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.35);
    --shadow: 0 6px 18px -2px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 12px 28px -4px rgba(0, 0, 0, 0.6);
    --shadow-hover: 0 18px 38px -4px rgba(0, 0, 0, 0.72), 0 0 20px -4px rgba(255, 207, 51, 0.15);
    --shadow-glow-yellow: 0 0 24px -2px rgba(255, 207, 51, 0.35);

    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
}

/* ---------- Tipografía Principal ---------- */
h1, h2, h3, h4,
.brand strong,
.wordmark strong,
.stat .num,
.foot-brand strong {
  font-family: var(--font-title);
  font-weight: 800;
  line-height: 1.12;
  text-wrap: balance;
  margin: 0;
  color: var(--ink);
}
h3 { font-weight: 700; line-height: 1.25; }
h4 { font-weight: 700; line-height: 1.3; }

.eyebrow {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue-700);
}
:root[data-theme="dark"] .eyebrow { color: var(--yellow-500); }

p { color: var(--ink-soft); margin: 0; }
label { display: block; }
input, textarea, select, button { font-family: inherit; font-size: 0.95rem; }

/* Enlaces inline enriquecidos */
.inline-link, .inline-link-dark {
  color: var(--blue-700);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}
.inline-link:hover, .inline-link-dark:hover {
  color: var(--blue-500);
}
:root[data-theme="dark"] .inline-link,
:root[data-theme="dark"] .inline-link-dark {
  color: var(--yellow-500);
}
:root[data-theme="dark"] .inline-link:hover,
:root[data-theme="dark"] .inline-link-dark:hover {
  color: var(--yellow-400);
}

/* ---------- Header & Navegación ---------- */
header.site {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 10px clamp(20px, 4vw, 48px);
  max-width: 1180px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
  text-decoration: none;
  flex-shrink: 0;
}
.brand img {
  height: 64px;
  width: auto;
  min-width: 96px;
  max-height: 64px;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
  transition: transform 0.2s ease, filter 0.2s ease;
}
.brand:hover img {
  transform: scale(1.03);
}

nav.links { display: flex; gap: 24px; }
nav.links a {
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink-soft);
  padding: 6px 4px;
  border-bottom: 2px solid transparent;
  border-radius: 2px;
  transition: color 0.18s ease, border-color 0.18s ease;
}
nav.links a:hover {
  color: var(--ink);
  border-color: var(--yellow-500);
}
nav.links a.active {
  color: var(--ink);
  font-weight: 800;
  border-color: var(--yellow-500);
}
:root[data-theme="dark"] nav.links a:hover,
:root[data-theme="dark"] nav.links a.active {
  color: #FFFFFF;
}

.cta-group { display: flex; gap: 10px; align-items: center; }

/* ---------- Botones Principales (.btn) ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.88rem;
  padding: 11px 22px;
  border-radius: var(--radius);
  text-decoration: none;
  white-space: nowrap;
  border: 1.5px solid transparent;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  user-select: none;
  transition: transform 0.18s cubic-bezier(0.2, 0.8, 0.2, 1),
              box-shadow 0.18s ease,
              background-color 0.18s ease,
              color 0.18s ease,
              border-color 0.18s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(1px) scale(0.985);
}

.btn:focus-visible {
  outline: 3px solid var(--blue-500);
  outline-offset: 2px;
}

/* Primario: Amarillo institucional con texto azul oscuro */
.btn-primary {
  background: var(--yellow-500);
  color: var(--blue-900);
  font-weight: 800;
  border-color: var(--yellow-500);
  box-shadow: 0 4px 12px -2px rgba(255, 201, 27, 0.45);
}

.btn-primary:hover {
  background: var(--yellow-400);
  border-color: var(--yellow-400);
  box-shadow: 0 8px 22px -4px rgba(255, 201, 27, 0.7), 0 2px 6px rgba(28, 27, 51, 0.12);
  color: var(--blue-900);
}

.btn-primary:active {
  box-shadow: 0 2px 8px -2px rgba(255, 201, 27, 0.6);
}

/* Outline: Borde sutil que resalta al interactuar */
.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.btn-outline:hover {
  border-color: var(--blue-700);
  color: var(--blue-700);
  background: color-mix(in srgb, var(--blue-700) 8%, transparent);
  box-shadow: 0 6px 16px -4px rgba(35, 37, 107, 0.15);
}

:root[data-theme="dark"] .btn-outline {
  color: var(--ink);
  border-color: var(--line);
}

:root[data-theme="dark"] .btn-outline:hover {
  border-color: var(--yellow-500);
  color: var(--yellow-500);
  background: color-mix(in srgb, var(--yellow-500) 10%, transparent);
  box-shadow: 0 6px 16px -4px rgba(255, 207, 51, 0.2);
}

/* Ghost light: Para fondos oscuros o azules */
.btn-ghost-light {
  background: transparent;
  color: #FFFFFF;
  border-color: var(--line-on-blue);
}

.btn-ghost-light:hover {
  border-color: var(--yellow-500);
  color: var(--yellow-500);
  background: rgba(255, 201, 27, 0.12);
  box-shadow: 0 6px 18px -4px rgba(0, 0, 0, 0.35);
}

/* Botón directo de WhatsApp */
.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: color-mix(in srgb, var(--green-500) 14%, transparent);
  color: #0d6b38;
  border: 1.5px solid color-mix(in srgb, var(--green-500) 40%, transparent);
  font-weight: 700;
  font-size: 0.86rem;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: all 0.2s ease;
  margin-top: auto;
  align-self: flex-start;
}

.btn-whatsapp:hover {
  background: var(--green-500);
  color: #FFFFFF;
  border-color: var(--green-500);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px -3px rgba(37, 211, 102, 0.4);
}

:root[data-theme="dark"] .btn-whatsapp {
  background: color-mix(in srgb, var(--green-500) 18%, transparent);
  color: #4ade80;
  border-color: color-mix(in srgb, var(--green-500) 45%, transparent);
}

:root[data-theme="dark"] .btn-whatsapp:hover {
  background: var(--green-500);
  color: #0E0F2E;
}

/* Botón directo de Mapa / Ubicación */
.contact-action-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--blue-700);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--blue-700) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--blue-700) 20%, transparent);
  margin-top: auto;
  align-self: flex-start;
  transition: all 0.2s ease;
}

.contact-action-link:hover {
  background: var(--blue-700);
  color: #FFFFFF;
  border-color: var(--blue-700);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px -4px rgba(35, 37, 107, 0.25);
}

:root[data-theme="dark"] .contact-action-link {
  color: var(--yellow-500);
  background: color-mix(in srgb, var(--yellow-500) 12%, transparent);
  border-color: color-mix(in srgb, var(--yellow-500) 25%, transparent);
}

:root[data-theme="dark"] .contact-action-link:hover {
  background: var(--yellow-500);
  color: var(--blue-900);
  border-color: var(--yellow-500);
}

/* Status / Pending badge */
.badge-status, .pending {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-soft);
  padding: 5px 12px;
  background: color-mix(in srgb, var(--ink) 5%, transparent);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  margin-top: auto;
  align-self: flex-start;
}

/* ---------- Menú Móvil Moderno (Drawer & Backdrop) ---------- */
.menu-toggle {
  display: none;
  position: relative;
  width: 42px;
  height: 42px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  z-index: 110;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}
.menu-toggle:hover {
  background: color-mix(in srgb, var(--blue-700) 8%, transparent);
  border-color: var(--blue-700);
}
:root[data-theme="dark"] .menu-toggle:hover {
  background: color-mix(in srgb, var(--yellow-500) 10%, transparent);
  border-color: var(--yellow-500);
}
.menu-toggle .bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease;
  transform-origin: center;
}
.menu-toggle[aria-expanded="true"] {
  border-color: var(--yellow-500);
  background: color-mix(in srgb, var(--yellow-500) 12%, transparent);
}
.menu-toggle[aria-expanded="true"] .bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.menu-toggle[aria-expanded="true"] .bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

body.menu-open { overflow: hidden; }
.mobile-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(14, 15, 46, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.mobile-drawer {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(340px, 85vw);
  background: var(--paper);
  border-left: 1px solid var(--line);
  z-index: 95;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease;
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.25);
  flex-direction: column;
  overflow-y: auto;
  padding: 88px 24px 32px;
}
:root[data-theme="dark"] .mobile-drawer {
  background: var(--surface);
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.5);
}
.mobile-drawer-inner {
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-height: 100%;
}
.mobile-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.mobile-links a {
  display: block;
  text-decoration: none;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink-soft);
  padding: 10px 14px;
  border-radius: var(--radius);
  border-left: 3px solid transparent;
  transition: background-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}
.mobile-links a:hover {
  background: color-mix(in srgb, var(--blue-500) 8%, transparent);
  color: var(--ink);
  transform: translateX(4px);
}
.mobile-links a.active {
  background: color-mix(in srgb, var(--yellow-500) 18%, transparent);
  color: var(--ink);
  font-weight: 800;
  border-left-color: var(--yellow-500);
}
:root[data-theme="dark"] .mobile-links a.active {
  background: color-mix(in srgb, var(--yellow-500) 15%, transparent);
  color: #FFFFFF;
  border-left-color: var(--yellow-500);
}
.mobile-cta-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.mobile-cta-group .btn {
  width: 100%;
  padding: 12px 18px;
  font-size: 0.92rem;
  justify-content: center;
}
.mobile-drawer-foot {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mobile-drawer-foot .motto {
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 600;
}
.mobile-socials { display: flex; gap: 14px; }
.mobile-socials a {
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--blue-700);
  transition: color 0.15s ease;
}
:root[data-theme="dark"] .mobile-socials a { color: var(--yellow-500); }
.mobile-socials a:hover { text-decoration: underline; }

body.menu-open .mobile-backdrop { opacity: 1; pointer-events: auto; }
body.menu-open .mobile-drawer { transform: translateX(0); }

/* ---------- Franjas de Fondo (.band) ---------- */
.band {
  padding: 72px 0;
  position: relative;
}
.band-paper { background: var(--paper); }
.band-deep { background: var(--paper-deep); }
.band-blue {
  background: var(--blue-900);
  color: #F2EEDD;
}
.band-blue h1, .band-blue h2, .band-blue h3 { color: #FFFFFF; }
.band-blue p { color: #D8D5F0; }
.band-blue .eyebrow { color: var(--yellow-500); }
.band-blue .btn-outline {
  color: #FFFFFF;
  border-color: var(--line-on-blue);
}
.band-blue .btn-outline:hover {
  color: var(--yellow-500);
  border-color: var(--yellow-500);
  background: rgba(255, 201, 27, 0.1);
}

/* Section Head estándar */
.section-head {
  margin-bottom: 40px;
}
.section-head h2 {
  font-size: clamp(2rem, 3.4vw, 2.6rem);
  margin-top: 10px;
  letter-spacing: -0.01em;
}
.section-head p {
  margin-top: 14px;
  font-size: 1.05rem;
  max-width: 60ch;
}

/* ---------- Costuras SVG de transición (.seam) ---------- */
.seam {
  display: block;
  width: 100%;
  height: 56px;
  margin: -1px 0;
  position: relative;
  z-index: 2;
  pointer-events: none;
}
.seam path { fill: var(--paper); }
.seam.to-blue path { fill: var(--blue-900); }
.seam.to-paper path { fill: var(--paper); }
.seam.to-deep path,
.seam.to-paperdeep path { fill: var(--paper-deep); }
.seam-ring {
  stroke: var(--yellow-500);
  stroke-width: 1.5;
  fill: none;
  opacity: 0.65;
}

/* ---------- Hero (Página de Inicio) ---------- */
.hero {
  padding: 64px 0 32px;
  position: relative;
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.hero-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

/* Badge moderno de llamada de atención */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-title);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--yellow-500) 18%, var(--surface));
  color: var(--blue-900);
  border: 1px solid color-mix(in srgb, var(--yellow-500) 50%, var(--line));
  margin-bottom: 18px;
  box-shadow: 0 2px 8px -2px rgba(255, 201, 27, 0.3);
}
:root[data-theme="dark"] .hero-badge {
  background: color-mix(in srgb, var(--yellow-500) 15%, var(--surface));
  color: var(--yellow-500);
  border-color: color-mix(in srgb, var(--yellow-500) 30%, transparent);
}
.hero-badge .badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--yellow-500);
  box-shadow: 0 0 8px var(--yellow-500);
  animation: pulse-dot 2s infinite ease-in-out;
}
@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.7; }
}

.hero h1 {
  font-size: clamp(2.4rem, 4.2vw, 3.6rem);
  margin-top: 10px;
  letter-spacing: -0.02em;
}
.hero h1 em {
  font-style: normal;
  color: var(--blue-700);
  position: relative;
}
:root[data-theme="dark"] .hero h1 em { color: var(--yellow-500); }

.hero p.lead {
  margin-top: 20px;
  font-size: 1.1rem;
  line-height: 1.65;
  max-width: 48ch;
}
.hero .actions {
  display: flex;
  gap: 14px;
  margin-top: 32px;
  flex-wrap: wrap;
}

/* Bloque Ilustrativo "Building" */
.building {
  position: relative;
  aspect-ratio: 3/4;
  width: 100%;
  max-width: 400px;
  margin-left: auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(180deg, var(--blue-500) 0%, var(--blue-700) 45%, var(--blue-900) 100%);
  box-shadow: 0 20px 45px -15px rgba(28, 27, 51, 0.35), 0 0 30px -10px rgba(75, 79, 196, 0.3);
  border: 1px solid var(--line-on-blue);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.building:hover {
  transform: translateY(-4px);
  box-shadow: 0 25px 50px -15px rgba(28, 27, 51, 0.45), 0 0 40px -8px rgba(75, 79, 196, 0.45);
}
.building .floor {
  position: absolute;
  left: 0;
  right: 0;
  border-top: 1px solid var(--line-on-blue);
}
.building .floor:nth-child(2) { top: 0; height: 34%; }
.building .floor:nth-child(3) { top: 34%; height: 33%; }
.building .floor:nth-child(4) { top: 67%; height: 33%; }

.building .glow {
  position: absolute;
  left: 50%;
  top: -10%;
  width: 150%;
  height: 65%;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, color-mix(in srgb, var(--yellow-500) 60%, transparent) 0%, transparent 70%);
  filter: blur(8px);
  pointer-events: none;
}
.building .rings {
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 200px;
  height: 200px;
  opacity: 0.55;
  pointer-events: none;
}
.building .caption {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  background: rgba(14, 15, 46, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--line-on-blue);
  border-radius: var(--radius);
  padding: 12px 14px;
  color: #F2EEDD;
  font-size: 0.76rem;
  line-height: 1.45;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

/* ---------- Stat Band (Portada y Páginas Interiores) ---------- */
.stats {
  background: var(--blue-900);
  color: #F2EEDD;
}
.stats .wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 52px clamp(20px, 4vw, 48px);
}

.stat {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line-on-blue);
  border-radius: var(--radius);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: transform 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.stat:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 201, 27, 0.45);
  box-shadow: 0 10px 24px -6px rgba(0, 0, 0, 0.4);
}
.stat .num {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(2.2rem, 3.2vw, 2.7rem);
  color: var(--yellow-500);
  font-variant-numeric: tabular-nums;
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat .label {
  margin-top: 12px;
  font-size: 0.88rem;
  line-height: 1.45;
  color: #D8D5F0;
}

/* ---------- Page Hero (Páginas Interiores) ---------- */
.page-hero {
  padding: 56px 0 64px;
}
.page-hero .wrap { max-width: 840px; }
.page-hero h1 {
  font-size: clamp(2.1rem, 3.8vw, 3.1rem);
  margin-top: 14px;
  letter-spacing: -0.01em;
}
.page-hero p.lead {
  margin-top: 20px;
  font-size: 1.1rem;
  max-width: 62ch;
  line-height: 1.65;
}
.page-hero .crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--ink-soft);
}
.page-hero .crumb a {
  text-decoration: none;
  color: var(--ink-soft);
  transition: color 0.15s ease;
}
.page-hero .crumb a:hover { color: var(--blue-700); }
:root[data-theme="dark"] .page-hero .crumb a:hover { color: var(--yellow-500); }
.page-hero .ringline {
  margin-top: 28px;
  width: 120px;
  height: auto;
  opacity: 0.85;
}
.page-noticias .page-hero,
.page-contacto .page-hero { padding-bottom: 44px; }

/* ---------- Filtros de Categoría (Chips) ---------- */
.chips {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 28px;
}
.chip {
  font-size: 0.82rem;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--line);
  color: var(--ink-soft);
  background: var(--surface);
  text-decoration: none;
  transition: all 0.18s ease;
  box-shadow: var(--shadow-sm);
}
.chip:hover, .chip.active {
  background: var(--blue-700);
  color: #FFFFFF;
  border-color: var(--blue-700);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px -2px rgba(51, 54, 156, 0.3);
}
:root[data-theme="dark"] .chip.active {
  background: var(--yellow-500);
  color: var(--blue-900);
  border-color: var(--yellow-500);
  box-shadow: 0 4px 12px -2px rgba(255, 207, 51, 0.3);
}

/* ---------- Grid de Artículos & Tarjetas de Noticias (.post-card) ---------- */
.featured-post {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 36px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 40px;
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
  transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.25s ease, border-color 0.25s ease;
}
.featured-post:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: color-mix(in srgb, var(--blue-500) 40%, var(--line));
}
.featured-post .visual,
.featured-post .media {
  background: linear-gradient(135deg, var(--blue-700), var(--blue-900));
  border-radius: var(--radius);
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 3rem;
  overflow: hidden;
  position: relative;
}
.featured-post .visual img,
.featured-post .media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.featured-post:hover .visual img,
.featured-post:hover .media img {
  transform: scale(1.04);
}
.featured-post .content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.featured-post .content h3 {
  font-size: 1.5rem;
  margin: 10px 0 12px;
  line-height: 1.25;
}
.featured-post .content p {
  font-size: 0.95rem;
  line-height: 1.55;
  margin-bottom: 16px;
}
.featured-post .meta {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--blue-700);
  margin-top: auto;
}
:root[data-theme="dark"] .featured-post .meta { color: var(--yellow-500); }

.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.post-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  padding: 28px 24px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1),
              box-shadow 0.25s ease,
              border-color 0.25s ease;
}
.post-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: color-mix(in srgb, var(--blue-500) 35%, var(--line));
}
:root[data-theme="dark"] .post-card:hover {
  border-color: color-mix(in srgb, var(--yellow-500) 40%, var(--line));
}

.post-card .media {
  margin: -28px -24px 20px;
  height: 180px;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 2rem;
  overflow: hidden;
}
.post-card .media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.post-card:hover .media img {
  transform: scale(1.05);
}

.post-card .tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--blue-700) 10%, transparent);
  color: var(--blue-700);
  margin-bottom: 12px;
  align-self: flex-start;
}
:root[data-theme="dark"] .post-card .tag {
  background: color-mix(in srgb, var(--yellow-500) 15%, transparent);
  color: var(--yellow-500);
}

.post-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  line-height: 1.25;
  transition: color 0.18s ease;
}
.post-card:hover h3 {
  color: var(--blue-700);
}
:root[data-theme="dark"] .post-card:hover h3 {
  color: var(--yellow-500);
}

.post-card p {
  font-size: 0.9rem;
  line-height: 1.55;
  margin-bottom: 16px;
  flex: 1;
}

.post-card .soon,
.post-card .meta {
  font-size: 0.8rem;
  color: var(--ink-muted);
  font-weight: 600;
  margin-top: auto;
}
.post-card a.read-more {
  font-weight: 700;
  font-size: 0.84rem;
  color: var(--blue-700);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  transition: transform 0.15s ease;
}
:root[data-theme="dark"] .post-card a.read-more { color: var(--yellow-500); }
.post-card a.read-more:hover { transform: translateX(3px); }

/* ---------- Galería & Tarjetas de Galería (.gallery-card) ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.gallery-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1),
              box-shadow 0.25s ease,
              border-color 0.25s ease;
}
.gallery-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--yellow-500);
}

.gallery-card .cover {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--paper-deep);
}
.gallery-card .cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.gallery-card:hover .cover img {
  transform: scale(1.06);
}

.gallery-card .play-badge {
  position: absolute;
  right: 12px;
  bottom: 12px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(14, 15, 46, 0.85);
  backdrop-filter: blur(4px);
  color: var(--yellow-500);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--line-on-blue);
  transition: transform 0.2s ease;
}
.gallery-card:hover .play-badge {
  transform: scale(1.12);
}

.gallery-card .info {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.gallery-card .info h3 {
  font-size: 1.15rem;
  line-height: 1.25;
}
.gallery-card .info .eyebrow {
  font-size: 0.7rem;
}

/* Fotos individuales dentro de álbum */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.photo {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--paper-deep);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}
.photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}
.photo:hover img {
  transform: scale(1.05);
}

/* ---------- Tarjetas de Valores (.value-card) ---------- */
.values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  padding: 20px 0 32px;
}

.value-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1),
              box-shadow 0.25s ease,
              border-color 0.25s ease;
}
.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: color-mix(in srgb, var(--blue-500) 35%, var(--line));
}
:root[data-theme="dark"] .value-card:hover {
  border-color: color-mix(in srgb, var(--yellow-500) 35%, var(--line));
}

.value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 3px;
  background: linear-gradient(90deg, var(--yellow-500), transparent);
  border-radius: 3px;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.value-card:hover::before { opacity: 1; }

.value-card .mark-icon {
  width: 36px;
  height: 36px;
  margin-bottom: 16px;
  display: block;
}
.value-card .word {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--blue-700);
  background: color-mix(in srgb, var(--blue-700) 10%, transparent);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
  align-self: flex-start;
}
:root[data-theme="dark"] .value-card .word {
  color: var(--yellow-500);
  background: color-mix(in srgb, var(--yellow-500) 14%, transparent);
}

.value-card h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  line-height: 1.2;
}
.value-card p {
  font-size: 0.92rem;
  line-height: 1.55;
  margin-bottom: 16px;
  flex: 1;
}
.value-card a.goto {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--blue-700);
  text-decoration: none;
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: transform 0.15s ease;
}
:root[data-theme="dark"] .value-card a.goto { color: var(--yellow-500); }
.value-card a.goto:hover { transform: translateX(4px); }

/* ---------- Historia y Línea de Tiempo ---------- */
.historia {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
  padding: 32px 0;
}
.historia p {
  margin-bottom: 16px;
  font-size: 1.05rem;
  line-height: 1.65;
}
.ring-timeline {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ring-timeline svg {
  width: 220px;
  height: 220px;
}
.ring-timeline .mark {
  position: absolute;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 6px 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}
.ring-timeline .mark-founding { top: 10%; right: -10px; }
.ring-timeline .mark-direction { bottom: 10%; left: -10px; }

/* ---------- Ramas / Beneficios List (.branches) ---------- */
.branches {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 32px;
}
.branch-row {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px 26px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.branch-row:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow);
  border-color: color-mix(in srgb, var(--blue-500) 30%, var(--line));
}
.band-blue .branch-row {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--line-on-blue);
  color: #FFFFFF;
}
.band-blue .branch-row:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 201, 27, 0.4);
}
.branch-row .tag {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--blue-700);
  background: color-mix(in srgb, var(--blue-700) 10%, transparent);
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  flex-shrink: 0;
}
:root[data-theme="dark"] .branch-row .tag,
.band-blue .branch-row .tag {
  color: var(--yellow-500);
  background: rgba(255, 201, 27, 0.15);
}
.branch-row h3 {
  font-size: 1.15rem;
  margin-bottom: 6px;
}
.branch-row p {
  font-size: 0.92rem;
  line-height: 1.5;
}

/* ---------- Oferta Académica / Grados (.grade-card) ---------- */
.copa-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  padding: 32px 0;
}
.grade-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.grade-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.grade-card h3 { font-size: 1.35rem; margin-bottom: 6px; }
.grade-card .ages {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--blue-700);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
:root[data-theme="dark"] .grade-card .ages { color: var(--yellow-500); }
.grade-card p { font-size: 0.92rem; margin-bottom: 18px; }
.grade-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.88rem;
}
.grade-card ul li { display: flex; align-items: center; gap: 8px; }
.grade-card ul li::before { content: '✓'; color: var(--blue-700); font-weight: 800; }
:root[data-theme="dark"] .grade-card ul li::before { color: var(--yellow-500); }

/* Egresado Destacado Card */
.avatar-ring {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.avatar-ring svg { width: 180px; height: 180px; }
.avatar-ring .core {
  position: absolute;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--yellow-500);
}
.featured-card {
  grid-column: span 2;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line-on-blue);
  border-radius: var(--radius-lg);
  padding: 32px 30px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.featured-card .tab {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--yellow-500);
}
.featured-card .who {
  font-size: 0.9rem;
  color: #D8D5F0;
  font-style: italic;
}

/* ---------- Contacto & Formulario (.contact-card & .form-card) ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 24px 0 48px;
}

.contact-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1),
              box-shadow 0.25s ease,
              border-color 0.25s ease;
}
.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: color-mix(in srgb, var(--blue-500) 40%, var(--line));
}
:root[data-theme="dark"] .contact-card:hover {
  border-color: color-mix(in srgb, var(--yellow-500) 40%, var(--line));
}

.contact-card .mark-icon {
  width: 44px;
  height: 44px;
  padding: 8px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--blue-700) 8%, transparent);
}
:root[data-theme="dark"] .contact-card .mark-icon {
  background: color-mix(in srgb, var(--yellow-500) 12%, transparent);
}
.contact-card h3 {
  font-size: 1.25rem;
  margin: 0;
}
.contact-card p {
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* Grid de Ubicación + Formulario */
.location-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 48px;
  align-items: start;
  padding-bottom: 24px;
}

.location-visual {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.location-visual svg {
  width: 160px;
  height: 160px;
  margin-bottom: 20px;
}
.location-visual .caption {
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink);
  margin-bottom: 20px;
}

/* Tarjeta y Campos del Formulario */
.form-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-md);
  position: relative;
}

.form-card .field {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-card .field label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 4px;
}
.form-card .field label .req {
  color: #E53E3E;
  font-weight: 800;
}
.form-card .field label .opt {
  color: var(--ink-muted);
  font-weight: 400;
  font-size: 0.8rem;
}

.form-card .field input,
.form-card .field textarea {
  width: 100%;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  background: var(--paper);
  color: var(--ink);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}
.form-card .field input:focus,
.form-card .field textarea:focus {
  outline: none;
  border-color: var(--blue-700);
  background: var(--surface);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue-700) 18%, transparent);
}
:root[data-theme="dark"] .form-card .field input:focus,
:root[data-theme="dark"] .form-card .field textarea:focus {
  border-color: var(--yellow-500);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--yellow-500) 22%, transparent);
}

.form-card .field textarea {
  min-height: 120px;
  resize: vertical;
}

/* Errores en campos */
.form-card .field.has-error input,
.form-card .field.has-error textarea {
  border-color: #E53E3E !important;
  background: color-mix(in srgb, #E53E3E 4%, var(--paper)) !important;
}
.field-error {
  display: none;
  font-size: 0.78rem;
  font-weight: 600;
  color: #E53E3E;
  margin-top: 2px;
}
.form-card .field.has-error .field-error {
  display: block;
  animation: fadeIn 0.2s ease;
}

/* Mensajes de Alerta / Éxito en Formulario */
.form-feedback {
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 24px;
  font-size: 0.92rem;
  line-height: 1.5;
  display: none;
  animation: fadeIn 0.3s ease;
}
.form-feedback.success {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--green-100);
  border: 1.5px solid var(--green-500);
  color: #064E3B;
}
:root[data-theme="dark"] .form-feedback.success {
  background: #064E3B;
  border-color: #34D399;
  color: #ECFDF5;
}
.form-feedback.success .feedback-icon {
  font-size: 1.3rem;
  line-height: 1;
  color: #059669;
}
:root[data-theme="dark"] .form-feedback.success .feedback-icon {
  color: #34D399;
}

.form-note {
  margin-top: 16px;
  font-size: 0.82rem;
  color: var(--ink-muted);
  line-height: 1.4;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Sigue Explorando (.explore-card) ---------- */
.explore-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.explore-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
  transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1),
              box-shadow 0.25s ease,
              border-color 0.25s ease;
}
.explore-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--yellow-500);
}
.explore-card .eyebrow { font-size: 0.68rem; }
.explore-card h3 {
  margin-top: 8px;
  font-size: 1.15rem;
  font-family: var(--font-title);
  font-weight: 800;
  color: var(--ink);
  line-height: 1.25;
}
.explore-card p {
  margin-top: 8px;
  font-size: 0.88rem;
  line-height: 1.5;
}

/* ---------- Footer ---------- */
footer {
  background: var(--blue-900);
  color: #CFCCE8;
  padding: 56px 0 28px;
  border-top: 1px solid var(--line-on-blue);
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--line-on-blue);
}
.foot-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.foot-brand img { height: 38px; width: auto; }
.foot-brand strong {
  font-family: var(--font-title);
  color: #FFFFFF;
  font-size: 1.15rem;
}
footer h4 {
  color: #FFFFFF;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 14px;
}
footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
footer a {
  text-decoration: none;
  color: #CFCCE8;
  font-size: 0.9rem;
  transition: color 0.15s ease;
}
footer a:hover { color: var(--yellow-500); }
.foot-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 22px;
  font-size: 0.82rem;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Animación Reveal on Scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s cubic-bezier(0.2, 0.8, 0.2, 1),
              transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal.in {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Botón Flotante de WhatsApp (.whatsapp-float) ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 99;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 8px 24px -2px rgba(37, 211, 102, 0.45), 0 4px 10px rgba(0, 0, 0, 0.12);
  transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.25s ease, background-color 0.2s ease;
}

.whatsapp-float:hover {
  transform: translateY(-4px) scale(1.06);
  background: #22c35e;
  box-shadow: 0 14px 30px -4px rgba(37, 211, 102, 0.65), 0 6px 14px rgba(0, 0, 0, 0.18);
  color: #FFFFFF;
}

.whatsapp-float:active {
  transform: translateY(1px) scale(0.96);
}

.whatsapp-icon {
  width: 30px;
  height: 30px;
  fill: currentColor;
}

.whatsapp-tooltip {
  position: absolute;
  right: calc(100% + 14px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--blue-900);
  color: #FFFFFF;
  font-family: var(--font-title);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  pointer-events: none;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--line-on-blue);
  opacity: 0;
  transition: opacity 0.25s ease, transform 0.25s ease;
  transform: translateY(-50%) translateX(6px);
}

.whatsapp-tooltip::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -6px;
  transform: translateY(-50%);
  border-width: 6px 0 6px 6px;
  border-style: solid;
  border-color: transparent transparent transparent var(--blue-900);
}

.whatsapp-float:hover .whatsapp-tooltip,
.whatsapp-float:focus-visible .whatsapp-tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

/* ---------- 1. Vitrina Interactiva en la Portada (.hero-showcase) ---------- */
.hero-showcase {
  width: 100%;
  max-width: 460px;
  margin-left: auto;
}

.showcase-card {
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.showcase-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: color-mix(in srgb, var(--blue-500) 40%, var(--line));
}

.showcase-nav {
  display: flex;
  background: color-mix(in srgb, var(--ink) 4%, transparent);
  border-bottom: 1px solid var(--line);
  padding: 6px;
  gap: 4px;
}

.showcase-tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 8px;
  font-family: var(--font-title);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink-soft);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.showcase-tab:hover {
  color: var(--ink);
  background: color-mix(in srgb, var(--blue-700) 8%, transparent);
}

.showcase-tab.active {
  background: var(--surface);
  color: var(--blue-700);
  box-shadow: var(--shadow-sm);
}
:root[data-theme="dark"] .showcase-tab.active {
  color: var(--yellow-500);
  background: var(--surface-alt);
}

.showcase-body {
  padding: 26px 22px;
}

.showcase-panel {
  display: none;
  flex-direction: column;
  gap: 12px;
  animation: fadeIn 0.25s ease;
}

.showcase-panel.active {
  display: flex;
}

.showcase-tag {
  font-family: var(--font-title);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--blue-700);
}
:root[data-theme="dark"] .showcase-tag { color: var(--yellow-500); }

.showcase-panel h3 {
  font-size: 1.25rem;
  line-height: 1.25;
}

.showcase-panel p {
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

.showcase-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.showcase-badges .badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.76rem;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--blue-700) 8%, transparent);
  color: var(--blue-700);
  border: 1px solid color-mix(in srgb, var(--blue-700) 18%, transparent);
}
:root[data-theme="dark"] .showcase-badges .badge {
  background: color-mix(in srgb, var(--yellow-500) 12%, transparent);
  color: var(--yellow-500);
  border-color: color-mix(in srgb, var(--yellow-500) 25%, transparent);
}

/* ---------- 2. Selector de Niveles Educativos (.grade-selector) ---------- */
.grade-selector {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.grade-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.grade-tab-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-lg);
  cursor: pointer;
  text-align: left;
  box-shadow: var(--shadow-sm);
  transition: all 0.22s ease;
}

.grade-tab-btn .level-icon {
  font-size: 1.8rem;
  line-height: 1;
}

.grade-tab-btn .tab-meta {
  display: flex;
  flex-direction: column;
}

.grade-tab-btn .tab-title {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--ink);
}

.grade-tab-btn .tab-sub {
  font-size: 0.78rem;
  color: var(--ink-soft);
  font-weight: 600;
}

.grade-tab-btn:hover {
  transform: translateY(-2px);
  border-color: var(--blue-700);
  box-shadow: var(--shadow);
}
:root[data-theme="dark"] .grade-tab-btn:hover { border-color: var(--yellow-500); }

.grade-tab-btn.active {
  border-color: var(--blue-700);
  background: color-mix(in srgb, var(--blue-700) 6%, var(--surface));
  box-shadow: 0 4px 18px -2px rgba(35, 37, 107, 0.2);
}
:root[data-theme="dark"] .grade-tab-btn.active {
  border-color: var(--yellow-500);
  background: color-mix(in srgb, var(--yellow-500) 12%, var(--surface));
}

.grade-panel {
  display: none;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-md);
  animation: fadeIn 0.3s ease;
}

.grade-panel.active { display: block; }

.grade-content {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 36px;
  align-items: center;
}

.grade-info .grade-tag {
  font-family: var(--font-title);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-700);
}
:root[data-theme="dark"] .grade-info .grade-tag { color: var(--yellow-500); }

.grade-info h3 {
  font-size: 1.5rem;
  margin: 8px 0 12px;
}

.grade-info p {
  font-size: 0.96rem;
  line-height: 1.6;
}

.grade-specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 20px;
}

.spec-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
}

.spec-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
}

.spec-value {
  font-family: var(--font-title);
  font-size: 0.96rem;
  color: var(--ink);
  margin-top: 2px;
}

.grade-features {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.grade-features h4 {
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--ink-soft);
}

.feature-list li span {
  color: #10B981;
  font-weight: 800;
  font-size: 1rem;
}

/* ---------- 3. Ruta de Admisión en 3 Pasos (.admission-steps) ---------- */
.admission-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.step-badge {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--yellow-500);
  color: var(--blue-900);
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(255, 201, 27, 0.4);
  margin-bottom: 16px;
}

.step-header {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 10px;
}

.step-time {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--blue-700);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
:root[data-theme="dark"] .step-time { color: var(--yellow-500); }

.step-card h3 {
  font-size: 1.25rem;
  margin: 0;
}

.step-card p {
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* ---------- 4. Testimonios (.testimonials-grid) ---------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.testimonial-card .stars {
  color: var(--yellow-500);
  font-size: 1.25rem;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.testimonial-card .quote {
  font-size: 0.96rem;
  line-height: 1.6;
  color: var(--ink);
  margin: 0 0 24px 0;
  font-style: italic;
}

.testimonial-card .author-box {
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.testimonial-card .author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--blue-700) 15%, var(--surface));
  color: var(--blue-700);
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
:root[data-theme="dark"] .testimonial-card .author-avatar {
  background: color-mix(in srgb, var(--yellow-500) 20%, var(--surface));
  color: var(--yellow-500);
}

.testimonial-card .author-details {
  display: flex;
  flex-direction: column;
}

.testimonial-card .author-details strong {
  font-family: var(--font-title);
  font-size: 0.92rem;
  color: var(--ink);
}

.testimonial-card .author-details span {
  font-size: 0.78rem;
  color: var(--ink-soft);
}

/* ---------- 5. Preguntas Frecuentes FAQ (.faq-accordion) ---------- */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-item:hover {
  border-color: var(--blue-700);
  box-shadow: var(--shadow);
}
:root[data-theme="dark"] .faq-item:hover { border-color: var(--yellow-500); }

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--ink);
  cursor: pointer;
  user-select: none;
  list-style: none;
}

.faq-question::-webkit-details-marker { display: none; }

.faq-icon {
  flex-shrink: 0;
  color: var(--blue-700);
  transition: transform 0.25s ease;
}
:root[data-theme="dark"] .faq-icon { color: var(--yellow-500); }

.faq-item[open] .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 24px 22px;
  font-size: 0.94rem;
  line-height: 1.65;
  color: var(--ink-soft);
  border-top: 1px solid color-mix(in srgb, var(--line) 60%, transparent);
  padding-top: 16px;
}

.faq-answer p + p { margin-top: 10px; }

/* ---------- Animación FadeIn ---------- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

/* ---------- Responsive Breakpoints ---------- */
@media (max-width: 1024px) {
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .stats .wrap { grid-template-columns: repeat(2, 1fr); }
  .explore-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  nav.links { display: none; }
  header.site .cta-group { display: none; }
  .menu-toggle { display: flex; }
  .mobile-backdrop { display: block; }
  .mobile-drawer { display: flex; }
  .brand img { height: 50px; min-width: 75px; }

  .hero { padding: 40px 0 24px; }
  .hero .wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-text { order: 1; }
  .hero-showcase {
    order: 2;
    max-width: 100%;
    margin: 0 auto;
  }

  .grade-tabs { grid-template-columns: 1fr; }
  .grade-content { grid-template-columns: 1fr; gap: 24px; }
  .admission-steps { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }

  .historia { grid-template-columns: 1fr; gap: 36px; }
  .values { grid-template-columns: 1fr; }
  .copa-grid { grid-template-columns: 1fr; }
  .featured-card { grid-column: span 1; }
  .location-grid { grid-template-columns: 1fr; }
  .featured-post { grid-template-columns: 1fr; }
  .post-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .photo-grid { grid-template-columns: 1fr 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .band { padding: 52px 0; }
  .stats .wrap { grid-template-columns: 1fr; gap: 16px; padding: 36px 20px; }
  .contact-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .photo-grid { grid-template-columns: 1fr; }
  .explore-grid { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero h1 { font-size: 2.2rem; }
  .hero .actions { flex-direction: column; width: 100%; }
  .hero .actions .btn { width: 100%; }
  .form-card { padding: 26px 20px; }
  .branch-row { padding: 20px 18px; }
  .grade-panel { padding: 26px 20px; }
  .grade-specs-grid { grid-template-columns: 1fr; }
  .whatsapp-float { bottom: 20px; right: 20px; width: 50px; height: 50px; }
  .whatsapp-icon { width: 26px; height: 26px; }
  .whatsapp-tooltip { display: none; }
}