/* ═══════════════════════════════════════════════════════════
   MODERN.CSS — Colegio Tomás Cipriano Mosquera
   Sistema de diseño institucional moderno
   Paleta: Negro #0f0f0f | Vino #6B1C1C | Blanco #ffffff
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ─── 1. VARIABLES / DESIGN TOKENS ─────────────────────── */
:root {
  /* Paleta institucional */
  --c-negro: #0f0f0f;
  --c-negro-suave: #1a1a1a;
  --c-vino: #6B1C1C;
  --c-vino-hover: #4a1212;
  --c-blanco: #ffffff;
  --c-gris: #f5f5f5;
  --c-gris-medio: #e0e0e0;
  --c-gris-texto: #888888;
  --c-texto: #1a1a1a;
  --c-texto-suave: #555555;

  /* Tipografía */
  --fuente: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Espaciados */
  --section-py: 5rem;
  --section-py-sm: 3rem;

  /* Sombras */
  --sombra-sm: 0 2px 8px rgba(0, 0, 0, 0.07);
  --sombra-md: 0 4px 24px rgba(0, 0, 0, 0.09);
  --sombra-lg: 0 8px 40px rgba(107, 28, 28, 0.15);

  /* Bordes */
  --radio: 12px;
  --radio-sm: 8px;

  /* Navbar */
  --navbar-h: 85px;

  /* Transición */
  --t: all 0.3s ease;
}

/* ─── 2. RESET & BASE ───────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--fuente);
  color: var(--c-texto);
  background-color: var(--c-blanco);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  padding-top: var(--navbar-h);
}

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

a {
  color: var(--c-vino);
  text-decoration: none;
  transition: var(--t);
}

a:hover {
  color: var(--c-vino-hover);
}

/* ─── 3. TIPOGRAFÍA ─────────────────────────────────────── */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--fuente);
  font-weight: 700;
  line-height: 1.2;
  color: var(--c-negro);
}

.sec-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--c-vino);
  background: rgba(107, 28, 28, 0.08);
  padding: 0.3rem 0.9rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}

.sec-title {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 800;
  color: var(--c-negro);
  margin-bottom: 0.5rem;
}

.sec-subtitle {
  font-size: 1rem;
  color: var(--c-texto-suave);
  max-width: 600px;
  line-height: 1.7;
}

.sec-subtitle.centro {
  margin-left: auto;
  margin-right: auto;
}

.vino-line {
  width: 50px;
  height: 4px;
  background: var(--c-vino);
  border-radius: 2px;
  margin: 1rem 0 1.5rem;
}

.vino-line.centro {
  margin-left: auto;
  margin-right: auto;
}

/* ─── 4. NAVBAR ─────────────────────────────────────────── */
.navbar-tcmos {
  background-color: var(--c-negro) !important;
  min-height: var(--navbar-h);
  padding: 0.5rem 1.5rem;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1050;
  border-bottom: 2px solid var(--c-vino);
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.navbar-tcmos.scrolled {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
}

/* Brand */
/* Brand Rediseñado */
.navbar-tcmos .navbar-brand {
  display: flex !important;
  align-items: center;
  gap: 8px;
  padding: 0;
  margin: 0;
}

.brand-logo {
  height: 70px;
  width: auto;
  object-fit: contain;
  transition: var(--t);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  color: #fff;
}

.brand-title {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.3px;
}

.brand-subtitle {
  font-size: 0.8rem;
  opacity: 0.8;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0.5px;
}

/* Nav links */
.navbar-tcmos .nav-link {
  color: rgba(255, 255, 255, 0.82) !important;
  font-weight: 500;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 0.45rem 0.85rem !important;
  border-radius: 6px;
  transition: var(--t);
}

.navbar-tcmos .nav-link:hover,
.navbar-tcmos .nav-link.active {
  color: #fff !important;
  background-color: rgba(255, 255, 255, 0.1);
}

/* Egresados — botón destacado */
.navbar-tcmos .nav-link-egresados {
  background: var(--c-vino) !important;
  color: #fff !important;
  font-weight: 700;
}

.navbar-tcmos .nav-link-egresados:hover {
  background: var(--c-vino-hover) !important;
}

/* Hamburguesa móvil */
.navbar-toggler {
  border: 1px solid rgba(255, 255, 255, 0.25) !important;
  padding: 0.3rem 0.55rem;
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.85)' stroke-linecap='round' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* Menú desplegado en móvil */
@media (max-width: 991.98px) {
  .brand-logo {
    height: 50px;
  }

  .brand-title {
    font-size: 1.05rem;
  }

  .brand-subtitle {
    font-size: 0.8rem;
  }

  .navbar-tcmos .navbar-collapse {
    background: var(--c-negro-suave);
    padding: 1rem 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    margin-top: 0.5rem;
    border-radius: 0 0 var(--radio) var(--radio);
  }

  .navbar-tcmos .nav-link {
    padding: 0.6rem 1rem !important;
    margin-bottom: 0.2rem;
  }
}

/* ─── 5. HERO SLIDER — Solo index.html ──────────────────── */
.hero-slider .carousel-item {
  height: 88vh;
  min-height: 480px;
  max-height: 760px;
}

.hero-slider .carousel-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.hero-slider .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom,
      rgba(15, 15, 15, 0.25) 0%,
      rgba(15, 15, 15, 0.55) 50%,
      rgba(74, 18, 18, 0.45) 100%);
}

.hero-slider .carousel-caption {
  bottom: 12%;
  left: 7%;
  right: 7%;
  text-align: left;
}

.hero-slider .carousel-caption h2 {
  font-size: clamp(1.7rem, 4.5vw, 3.2rem);
  font-weight: 800;
  color: #fff;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
  margin-bottom: 0.5rem;
}

.hero-slider .carousel-caption p {
  font-size: clamp(0.9rem, 2vw, 1.15rem);
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 1.5rem;
}

.hero-slider .carousel-indicators [data-bs-target] {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  border: none;
  margin: 0 4px;
}

.hero-slider .carousel-indicators .active {
  background: var(--c-vino);
  transform: scale(1.4);
}

.hero-slider .carousel-control-prev,
.hero-slider .carousel-control-next {
  width: 4%;
  opacity: 0.75;
}

@media (max-width: 767.98px) {
  .hero-slider .carousel-item {
    height: 62vh;
    min-height: 320px;
  }

  .hero-slider .carousel-caption {
    bottom: 8%;
  }
}

/* ─── 6. HERO ESTÁTICO — Páginas internas ───────────────── */
.hero-int {
  position: relative;
  background: var(--c-negro);
  padding: 4.5rem 0 3.5rem;
  overflow: hidden;
}

.hero-int .hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.25;
}

.hero-int .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
      rgba(15, 15, 15, 0.92) 0%,
      rgba(107, 28, 28, 0.6) 100%);
}

.hero-int .hero-content {
  position: relative;
  z-index: 1;
}

.hero-int h1 {
  color: var(--c-blanco);
  font-size: clamp(1.7rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.hero-int .hero-vino-bar {
  width: 45px;
  height: 3px;
  background: var(--c-vino);
  border-radius: 2px;
  margin: 0.8rem 0;
}

.hero-int nav[aria-label="breadcrumb"] .breadcrumb {
  background: transparent;
  padding: 0;
  margin: 0;
}

.hero-int .breadcrumb-item,
.hero-int .breadcrumb-item a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
  text-decoration: none;
}

.hero-int .breadcrumb-item a:hover {
  color: rgba(255, 255, 255, 0.9);
}

.hero-int .breadcrumb-item.active {
  color: rgba(255, 255, 255, 0.4);
}

.hero-int .breadcrumb-item+.breadcrumb-item::before {
  color: rgba(255, 255, 255, 0.3);
}

/* ─── 7. SECCIONES ──────────────────────────────────────── */
.section-pad {
  padding: var(--section-py) 0;
}

.section-pad-sm {
  padding: var(--section-py-sm) 0;
}

.bg-gris {
  background-color: var(--c-gris);
}

.bg-negro {
  background-color: var(--c-negro);
}

.bg-vino {
  background-color: var(--c-vino);
}

/* ─── 8. TARJETAS ACCESO RÁPIDO ─────────────────────────── */
.card-acceso {
  background: var(--c-blanco);
  border: 1.5px solid var(--c-gris-medio);
  border-radius: var(--radio);
  padding: 2rem 1.5rem 1.75rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  transition: var(--t);
  box-shadow: var(--sombra-md);
  height: 100%;
  color: var(--c-texto);
  text-decoration: none;
}

.card-acceso:hover {
  border-color: var(--c-vino);
  box-shadow: var(--sombra-lg);
  transform: translateY(-6px);
  color: var(--c-negro);
  text-decoration: none;
}

.card-acceso .icono-wrap {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: rgba(107, 28, 28, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--t);
}

.card-acceso:hover .icono-wrap {
  background: var(--c-vino);
}

.card-acceso .icono-wrap i {
  font-size: 1.5rem;
  color: var(--c-vino);
  transition: var(--t);
}

.card-acceso:hover .icono-wrap i {
  color: var(--c-blanco);
}

.card-acceso .acceso-titulo {
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--c-negro);
  margin: 0;
}

.card-acceso .acceso-desc {
  font-size: 0.78rem;
  color: var(--c-texto-suave);
  margin: 0;
  line-height: 1.4;
}

/* ─── 9. TARJETA GENERAL ────────────────────────────────── */
.card-tcmos {
  border: none;
  border-radius: var(--radio);
  box-shadow: var(--sombra-md);
  overflow: hidden;
  transition: var(--t);
}

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

.card-tcmos .card-img-top {
  height: 220px;
  object-fit: cover;
}

/* ─── 10. ACCORDION — Oferta Académica ──────────────────── */
.accordion-tcmos .accordion-item {
  border: none;
  border-radius: var(--radio) !important;
  margin-bottom: 1rem;
  overflow: hidden;
  box-shadow: var(--sombra-md);
}

.accordion-tcmos .accordion-button {
  background: var(--c-negro);
  color: var(--c-blanco);
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 1.2rem 1.5rem;
  border-radius: var(--radio) !important;
}

.accordion-tcmos .accordion-button:not(.collapsed) {
  background: var(--c-vino);
  color: var(--c-blanco);
  box-shadow: none;
  border-radius: var(--radio) var(--radio) 0 0 !important;
}

.accordion-tcmos .accordion-button::after {
  filter: invert(1);
}

.accordion-tcmos .accordion-button:focus {
  box-shadow: none;
  outline: none;
}

.accordion-tcmos .accordion-body {
  background: var(--c-blanco);
  padding: 2rem;
  border-top: 3px solid var(--c-vino);
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--c-texto);
}

.accordion-tcmos .accordion-body ul {
  padding-left: 1.2rem;
  margin-top: 0.75rem;
}

.accordion-tcmos .accordion-body ul li {
  margin-bottom: 0.35rem;
}

/* ─── 11. TABS — Nosotros ───────────────────────────────── */
.nav-tabs-tcmos {
  border-bottom: 2px solid var(--c-gris-medio);
  flex-wrap: nowrap;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 0;
  gap: 0;
}

.nav-tabs-tcmos::-webkit-scrollbar {
  display: none;
}

.nav-tabs-tcmos .nav-link {
  color: var(--c-texto-suave);
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  border: none;
  border-bottom: 3px solid transparent;
  border-radius: 0;
  padding: 0.8rem 1.3rem;
  white-space: nowrap;
  transition: var(--t);
  background: transparent;
}

.nav-tabs-tcmos .nav-link:hover {
  color: var(--c-vino);
  border-bottom-color: rgba(107, 28, 28, 0.25);
}

.nav-tabs-tcmos .nav-link.active {
  color: var(--c-vino);
  border-bottom: 3px solid var(--c-vino);
  font-weight: 800;
}

.tab-body {
  padding: 2.5rem 0;
}

/* ─── 12. GALERÍA ───────────────────────────────────────── */
.galeria-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.galeria-item {
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--radio-sm);
  background: var(--c-gris);
}

.galeria-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.galeria-item:hover img {
  transform: scale(1.06);
}

/* ─── 13. VIDEO EMBED ───────────────────────────────────── */
.video-box {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radio);
  background: #000;
  box-shadow: var(--sombra-md);
}

.video-box iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ─── 14. FORMULARIO ────────────────────────────────────── */
.form-tcmos .form-label {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--c-texto);
  margin-bottom: 0.3rem;
}

.form-tcmos .form-control,
.form-tcmos .form-select {
  border: 1.5px solid var(--c-gris-medio);
  border-radius: var(--radio-sm);
  padding: 0.65rem 1rem;
  font-size: 0.9rem;
  transition: var(--t);
  font-family: var(--fuente);
  color: var(--c-texto);
}

.form-tcmos .form-control:focus,
.form-tcmos .form-select:focus {
  border-color: var(--c-vino);
  box-shadow: 0 0 0 3px rgba(107, 28, 28, 0.12);
  outline: none;
}

.form-tcmos textarea {
  min-height: 130px;
  resize: vertical;
}

/* ─── 15. TARJETAS ÚTILES (descarga PDF) ────────────────── */
.card-util {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.9rem 1.25rem;
  background: var(--c-blanco);
  border: 1.5px solid var(--c-gris-medio);
  border-radius: var(--radio-sm);
  color: var(--c-texto);
  text-decoration: none;
  transition: var(--t);
  box-shadow: var(--sombra-sm);
}

.card-util:hover {
  border-color: var(--c-vino);
  color: var(--c-negro);
  box-shadow: 0 4px 16px rgba(107, 28, 28, 0.12);
  transform: translateX(4px);
  text-decoration: none;
}

.card-util i {
  font-size: 1.3rem;
  color: var(--c-vino);
  flex-shrink: 0;
}

.card-util .util-grado {
  font-weight: 700;
  font-size: 0.875rem;
  line-height: 1.2;
}

.card-util .util-hint {
  font-size: 0.75rem;
  color: var(--c-gris-texto);
}

/* ─── 16. BOTONES ───────────────────────────────────────── */
.btn-vino {
  background: var(--c-vino);
  color: var(--c-blanco);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.7rem 2rem;
  border-radius: var(--radio-sm);
  border: 2px solid var(--c-vino);
  transition: var(--t);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-vino:hover {
  background: var(--c-vino-hover);
  border-color: var(--c-vino-hover);
  color: var(--c-blanco);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(107, 28, 28, 0.3);
  text-decoration: none;
}

.btn-vino-outline {
  background: transparent;
  color: var(--c-vino);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.65rem 2rem;
  border-radius: var(--radio-sm);
  border: 2px solid var(--c-vino);
  transition: var(--t);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-vino-outline:hover {
  background: var(--c-vino);
  color: var(--c-blanco);
  transform: translateY(-2px);
  text-decoration: none;
}

.btn-negro {
  background: var(--c-negro);
  color: var(--c-blanco);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.7rem 2rem;
  border-radius: var(--radio-sm);
  border: 2px solid var(--c-negro);
  transition: var(--t);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-negro:hover {
  background: transparent;
  color: var(--c-negro);
  text-decoration: none;
}

/* ─── 17. BLOQUE INSTITUCIONAL (misión/visión) ──────────── */
.bloque-inst {
  background: var(--c-negro);
  padding: 2.5rem;
  border-radius: var(--radio);
  border-left: 5px solid var(--c-vino);
  color: rgba(255, 255, 255, 0.85);
}

.bloque-inst h4 {
  color: var(--c-blanco);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.6rem;
  color: var(--c-vino);
}

.bloque-inst p {
  font-size: 0.95rem;
  line-height: 1.8;
  margin: 0;
}

/* ─── 18. FOOTER ────────────────────────────────────────── */
.footer-tcmos {
  background: var(--c-negro);
  color: rgba(255, 255, 255, 0.65);
  padding: 4rem 0 2rem;
}

.footer-tcmos .footer-brand {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--c-blanco);
  margin-bottom: 0.6rem;
}

.footer-tcmos .footer-brand span {
  color: var(--c-vino);
}

.footer-tcmos>.container-xl>.row p {
  font-size: 0.83rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.5);
}

.footer-tcmos h6 {
  color: var(--c-blanco);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 1.2rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--c-vino);
  display: inline-block;
}

.footer-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-nav li {
  margin-bottom: 0.45rem;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.85rem;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--t);
}

.footer-nav a:hover {
  color: var(--c-blanco);
  padding-left: 5px;
}

.footer-nav i {
  font-size: 0.65rem;
  color: var(--c-vino);
}

/* Contacto en footer */
.footer-contacto {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-contacto li {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  margin-bottom: 0.65rem;
  font-size: 0.83rem;
  color: rgba(255, 255, 255, 0.55);
}

.footer-contacto li i {
  color: var(--c-vino);
  flex-shrink: 0;
  margin-top: 3px;
}

/* Redes sociales en footer */
.footer-redes {
  display: flex;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

.footer-redes a {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radio-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.95rem;
  text-decoration: none;
  transition: var(--t);
}

.footer-redes a:hover {
  background: var(--c-vino);
  border-color: var(--c-vino);
  color: #fff;
  transform: translateY(-3px);
}

/* Línea divisora y pie */
.footer-hr {
  border-color: rgba(255, 255, 255, 0.07);
  margin: 2.5rem 0 1.5rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.35);
  margin: 0;
}

/* ─── 19. UTILIDADES ────────────────────────────────────── */
.text-vino {
  color: var(--c-vino) !important;
}

.text-negro {
  color: var(--c-negro) !important;
}

.bg-vino-lite {
  background: rgba(107, 28, 28, 0.06) !important;
}

.rounded-tcmos {
  border-radius: var(--radio) !important;
}

.shadow-tcmos {
  box-shadow: var(--sombra-md) !important;
}

.lh-relaxed {
  line-height: 1.85 !important;
}

.fw-extrabold {
  font-weight: 800 !important;
}

/* Justificación (Bootstrap 5 no trae .text-justify) */
.text-justify-tcmos {
  text-align: justify;
  text-justify: inter-word;
}

/* Bloques cronológicos Historia */
.historia-anno {
  display: block;
  font-weight: 800;
  color: var(--c-vino);
  font-size: 1.1rem;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--c-gris-medio);
  padding-bottom: 0.25rem;
  text-transform: uppercase;
}

.historia-anno:first-of-type {
  margin-top: 0;
}

/* ─── 20. ANIMACIONES ───────────────────────────────────── */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.anim-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.anim-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── 21. SCROLLBAR CUSTOM ──────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--c-gris);
}

::-webkit-scrollbar-thumb {
  background: var(--c-vino);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--c-vino-hover);
}

/* ─── 22. RESPONSIVE ADJUSTMENTS ───────────────────────── */
@media (max-width: 767.98px) {
  .galeria-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }

  .card-acceso {
    padding: 1.5rem 1rem;
  }

  .accordion-tcmos .accordion-body {
    padding: 1.5rem;
  }

  .hero-int {
    padding: 3.5rem 0 2.5rem;
  }

  .footer-tcmos {
    padding: 3rem 0 1.5rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .bloque-inst {
    padding: 1.75rem;
  }
}