/* ============================================================
   CECyD – Centro de Estudios en Ciberseguridad y Datos
   Universidad Austral · Facultad de Ingeniería
   Hoja de estilos principal
   ============================================================ */

/* ---------- TOKENS ---------- */
:root {
  /* Paleta institucional Austral + CECyD */
  --color-primary:        #4D1A3D;   /* burgundy CECyD (logo background) */
  --color-primary-dark:   #2F0F25;
  --color-primary-light:  #6B2956;
  --color-primary-soft:   #F1E8ED;

  --color-accent:         #C9A961;   /* dorado académico */
  --color-accent-dark:    #A88947;

  --color-text:           #1F1F1F;
  --color-text-muted:     #5C5C5C;
  --color-text-light:     #8A8A8A;
  --color-text-on-dark:   #FFFFFF;

  --color-bg:             #FFFFFF;
  --color-bg-soft:        #F7F4F2;
  --color-bg-section:     #FAF7F3;
  --color-border:         #E5E0DA;
  --color-border-strong:  #C8C0B6;

  /* Tipografías */
  --font-display: 'Montserrat', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-body:    'Open Sans',  'Segoe UI', system-ui, -apple-system, sans-serif;

  /* Espaciado */
  --container:   1200px;
  --gutter:      24px;
  --radius:      4px;
  --radius-card: 8px;
  --shadow-sm:   0 2px 6px rgba(31, 15, 25, 0.06);
  --shadow-md:   0 6px 24px rgba(31, 15, 25, 0.10);

  /* Transiciones */
  --t-fast: 150ms ease;
  --t-base: 220ms ease;
}

/* ---------- RESET BÁSICO ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--t-fast);
}
a:hover { color: var(--color-primary-light); }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
  margin: 0 0 .5em;
}
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }

/* Skip link accesible */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: .75rem 1rem;
  z-index: 999;
}
.skip-link:focus { left: 8px; top: 8px; }

/* Foco accesible */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Layout container */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* Section titles */
.section-title {
  font-size: clamp(1.75rem, 2.5vw, 2.25rem);
  margin-bottom: 1.25em;
  position: relative;
  padding-bottom: .65em;
}
.section-title::after {
  content: "";
  display: block;
  width: 56px;
  height: 3px;
  background: var(--color-accent);
  position: absolute;
  left: 0;
  bottom: 0;
}
.section-title--light {
  color: #fff;
}
.section-title--light::after { background: var(--color-accent); }

/* Botones */
.btn {
  display: inline-block;
  padding: .85rem 1.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .02em;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  transition: background var(--t-base), color var(--t-base), border-color var(--t-base);
}
.btn--primary {
  background: var(--color-primary);
  color: #fff;
}
.btn--primary:hover { background: var(--color-primary-light); color: #fff; }
.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--ghost:hover { background: var(--color-primary-soft); }

/* ============================================================
   TOPBAR (Sedes)
   ============================================================ */
.topbar {
  background: var(--color-primary-dark);
  color: #fff;
  font-size: .8rem;
}
.topbar__inner {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  min-height: 36px;
}
.topbar__sedes {
  display: flex;
  gap: 0;
}
.topbar__sedes a {
  color: #EFE4EB;
  padding: .5rem 1rem;
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: .08em;
  font-size: .72rem;
  border-left: 1px solid rgba(255,255,255,.15);
  transition: background var(--t-fast);
}
.topbar__sedes a:first-child { border-left: none; }
.topbar__sedes a:hover { background: rgba(255,255,255,.08); color: #fff; }

/* ============================================================
   HEADER PRINCIPAL
   ============================================================ */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 84px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.site-header__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.site-header__logo img {
  max-height: 56px;
  width: auto;
}
.site-header__logo-fallback {
  display: flex;
  flex-direction: column;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-primary);
  font-size: 1.1rem;
  line-height: 1.1;
  letter-spacing: .02em;
}
.site-header__logo-fallback small {
  font-size: .72rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: .08em;
  margin-top: 2px;
}
/* Por defecto mostramos el texto. Cuando carguen el SVG/PNG oficial, comentar este display:none
   de img y agregar `display:none` al fallback (o simplemente quitar el span del HTML). */
.site-header__logo img { display: none; }

/* Nav toggle (mobile) */
.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  width: 44px;
  height: 44px;
  padding: 10px;
  flex-direction: column;
  justify-content: space-between;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--color-primary);
  transition: transform var(--t-base), opacity var(--t-fast);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(10px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-10px) rotate(-45deg); }

.main-nav__list {
  display: flex;
  align-items: center;
  gap: .25rem;
}
.main-nav__list > li > a {
  display: inline-block;
  padding: .75rem .9rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .85rem;
  color: var(--color-text);
  letter-spacing: .02em;
  border-bottom: 2px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
}
.main-nav__list > li > a:hover,
.main-nav__list > li.current > a {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
}
.main-nav__cta {
  background: var(--color-primary);
  color: #fff !important;
  border-radius: var(--radius);
  padding: .65rem 1.1rem !important;
  margin-left: .5rem;
}
.main-nav__cta:hover { background: var(--color-primary-light); border-bottom-color: transparent !important; }

/* Submenús */
.has-children { position: relative; }
.submenu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  box-shadow: var(--shadow-md);
  padding: .5rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity var(--t-base), transform var(--t-base), visibility var(--t-base);
  z-index: 50;
}
.has-children:hover > .submenu,
.has-children:focus-within > .submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.submenu a {
  display: block;
  padding: .55rem 1.25rem;
  font-size: .85rem;
  color: var(--color-text);
}
.submenu a:hover { background: var(--color-bg-soft); color: var(--color-primary); }
.submenu__group {
  padding: .75rem 1.25rem .25rem;
  font-family: var(--font-display);
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--color-text-light);
  border-top: 1px solid var(--color-border);
  margin-top: .35rem;
}
.submenu__group:first-child { border-top: 0; margin-top: 0; }

/* ============================================================
   PAGE TITLE
   ============================================================ */
.page-title {
  padding: 3rem 0 1rem;
  background: #fff;
}
.page-title__breadcrumb {
  font-family: var(--font-display);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .15em;
  color: var(--color-text-light);
  margin-bottom: .75rem;
}
.page-title__title {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-primary);
  margin-bottom: 1rem;
}
.page-title__lead {
  font-size: 1.1rem;
  max-width: 820px;
  color: var(--color-text-muted);
}
.page-title__lead strong { color: var(--color-text); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(201, 169, 97, 0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
}
.hero__title {
  color: #fff;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: 1.25rem;
}
.hero__acronym {
  display: block;
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: var(--color-accent);
  letter-spacing: .03em;
  margin-top: .25rem;
}
.hero__copy {
  font-size: 1.05rem;
  color: rgba(255,255,255,.92);
  max-width: 620px;
  margin: 0;
}
.hero__visual-frame {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-card);
  padding: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1 / 1;
  max-width: 380px;
  margin-left: auto;
}
.hero__visual-frame img {
  max-width: 100%;
  filter: drop-shadow(0 4px 18px rgba(0,0,0,.25));
}

/* ============================================================
   QUICKLINKS (Cards de sub-navegación)
   ============================================================ */
.quicklinks {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
}
.quicklinks__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border-left: 1px solid var(--color-border);
}
.quicklinks__card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 1.25rem;
  border-right: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .95rem;
  transition: background var(--t-base), color var(--t-base);
}
.quicklinks__card:hover,
.quicklinks__card--active {
  background: var(--color-primary);
  color: #fff;
}
.quicklinks__arrow {
  font-size: 1.25rem;
  transition: transform var(--t-base);
}
.quicklinks__card:hover .quicklinks__arrow { transform: translateX(4px); }

/* ============================================================
   EJES DE ACCIÓN
   ============================================================ */
.ejes {
  padding: 5rem 0;
  background: var(--color-bg-section);
}
.ejes__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 1rem;
}
.ejes__col {
  background: #fff;
  border-radius: var(--radius-card);
  padding: 2.25rem 2rem;
  border-top: 4px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
  position: relative;
}
.ejes__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 3rem;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 1rem;
  opacity: .85;
}
.ejes__heading {
  font-size: 1.4rem;
  color: var(--color-primary);
  margin-bottom: .75rem;
}
.ejes__list {
  margin-top: 1rem;
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
}
.ejes__list li {
  position: relative;
  padding: .35rem 0 .35rem 1.25rem;
  color: var(--color-text-muted);
  font-size: .95rem;
}
.ejes__list li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

/* ============================================================
   QUIÉNES SOMOS
   ============================================================ */
.about {
  padding: 5rem 0;
  background: #fff;
}
.about__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
  align-items: start;
}
.about__subtitle {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-top: 1.5rem;
  margin-bottom: .5rem;
}
.about__block + .about__block { margin-top: 2rem; }
.about__list { margin: .5rem 0 0; }
.about__list li {
  position: relative;
  padding: .3rem 0 .3rem 1.5rem;
  color: var(--color-text-muted);
}
.about__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .85rem;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
}

.about__visual {
  position: sticky;
  top: 110px;
}
.about__visual-card {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-card);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.about__stat {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,.15);
}
.about__stat:last-child { border-bottom: 0; padding-bottom: 0; }
.about__stat-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 3rem;
  color: var(--color-accent);
  line-height: 1;
}
.about__stat-label {
  font-size: .85rem;
  color: rgba(255,255,255,.85);
  text-transform: uppercase;
  letter-spacing: .08em;
}

/* ============================================================
   LÍNEAS DE INVESTIGACIÓN
   ============================================================ */
.lineas {
  background: var(--color-primary);
  color: #fff;
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}
.lineas::before {
  content: "";
  position: absolute;
  bottom: -200px;
  left: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(201, 169, 97, 0.08) 0%, transparent 70%);
  pointer-events: none;
}
.lineas__intro {
  max-width: 720px;
  color: rgba(255,255,255,.85);
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
  position: relative;
}
.lineas__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  position: relative;
}
.lineas__item {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-card);
  padding: 1.75rem;
  transition: background var(--t-base), transform var(--t-base);
}
.lineas__item:hover {
  background: rgba(255,255,255,.09);
  transform: translateY(-3px);
}
.lineas__item h3 {
  color: var(--color-accent);
  font-size: 1.1rem;
  margin-bottom: .75rem;
}
.lineas__item p {
  color: rgba(255,255,255,.82);
  font-size: .95rem;
  margin: 0;
}

/* ============================================================
   PUBLICACIONES
   ============================================================ */
.publicaciones {
  padding: 5rem 0;
  background: #fff;
}
.publicaciones__head {
  max-width: 720px;
  margin-bottom: 2.5rem;
}
.publicaciones__head p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}
.publicaciones__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.pub-card {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--t-base), box-shadow var(--t-base);
}
.pub-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.pub-card__tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--color-accent-dark);
  background: rgba(201, 169, 97, 0.12);
  padding: .25rem .65rem;
  border-radius: 999px;
  align-self: flex-start;
  margin-bottom: 1rem;
}
.pub-card__title {
  font-size: 1.15rem;
  margin-bottom: .65rem;
}
.pub-card__excerpt {
  color: var(--color-text-muted);
  font-size: .9rem;
  flex-grow: 1;
}
.pub-card__cta {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .85rem;
  color: var(--color-primary);
  margin-top: 1rem;
}
.publicaciones__note {
  text-align: center;
  margin-top: 2.5rem;
  font-style: italic;
  color: var(--color-text-light);
  font-size: .9rem;
}

/* ============================================================
   FORMACIÓN
   ============================================================ */
.formacion {
  padding: 5rem 0;
  background: var(--color-bg-section);
}
.formacion__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
  align-items: center;
}
.formacion__bullets {
  margin: 1rem 0 2rem;
}
.formacion__bullets li {
  padding: .65rem 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.formacion__bullets li strong { color: var(--color-text); }
.formacion__cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.formacion__visual-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-card);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
}
.formacion__visual-eyebrow {
  font-family: var(--font-display);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .15em;
  color: var(--color-accent-dark);
  margin-bottom: 1.25rem;
}
.formacion__visual-quote {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.15rem;
  line-height: 1.5;
  color: var(--color-primary);
  margin: 0;
  font-style: italic;
}

/* ============================================================
   HISTORIA / TIMELINE
   ============================================================ */
.historia {
  padding: 5rem 0;
  background: #fff;
}
.historia__timeline {
  position: relative;
  margin-top: 3rem;
  padding: 2rem 0;
}
.historia__timeline::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-border);
  transform: translateY(-50%);
}
.historia__row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 3rem;
  position: relative;
}
.historia__row:last-child { margin-bottom: 0; }
.historia__year {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.25rem;
  color: var(--color-primary);
  background: #fff;
  border: 3px solid var(--color-accent);
  border-radius: 50%;
  width: 96px;
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}
.historia__milestone {
  background: var(--color-bg-soft);
  border-radius: var(--radius-card);
  padding: 1.25rem 1.5rem;
  font-size: .95rem;
  color: var(--color-text-muted);
  border-left: 3px solid var(--color-primary);
}
.historia__milestone--top { text-align: right; border-left: 0; border-right: 3px solid var(--color-primary); }
.historia__milestone p { margin: 0; }

/* ============================================================
   EQUIPO
   ============================================================ */
.equipo {
  padding: 5rem 0;
  background: var(--color-bg-section);
}
.equipo__lead {
  max-width: 760px;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
}
.equipo__subtitle {
  font-family: var(--font-display);
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .15em;
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
}
.equipo__direccion {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
.director-card {
  background: #fff;
  border-radius: var(--radius-card);
  padding: 2rem;
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  box-shadow: var(--shadow-sm);
  transition: transform var(--t-base), box-shadow var(--t-base);
}
.director-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.director-card__photo {
  width: 112px;
  height: 112px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: .05em;
}
.director-card__photo { overflow: hidden; border: 2px solid var(--color-accent); }
.director-card__photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.director-card__name {
  font-size: 1.25rem;
  margin-bottom: .15rem;
}
.director-card__role {
  font-family: var(--font-display);
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--color-accent-dark);
  margin-bottom: .85rem;
}
.director-card__bio {
  color: var(--color-text-muted);
  font-size: .92rem;
  margin: 0;
}

/* ============================================================
   NOVEDADES
   ============================================================ */
.novedades {
  padding: 5rem 0;
  background: #fff;
}
.novedades__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.novedades__head .section-title { margin-bottom: 0; }
.novedades__link {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-primary);
}
.novedades__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}
.novedad-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: #fff;
  transition: transform var(--t-base), box-shadow var(--t-base);
}
.novedad-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.novedad-card__media {
  aspect-ratio: 16 / 9;
  background:
    linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%),
    var(--color-primary);
  position: relative;
}
.novedad-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 40%, rgba(201,169,97,.18) 0%, transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(255,255,255,.06) 0%, transparent 50%);
}
.novedad-card__date {
  padding: 1.25rem 1.5rem 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .8rem;
  color: var(--color-accent-dark);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin: 0;
}
.novedad-card__title {
  padding: .5rem 1.5rem 0;
  font-size: 1.1rem;
  color: var(--color-primary);
}
.novedad-card__excerpt {
  padding: .5rem 1.5rem 1.5rem;
  color: var(--color-text-muted);
  font-size: .9rem;
  margin: 0;
}

/* ============================================================
   CONTACTO DEL CENTRO
   ============================================================ */
.centro-contacto {
  padding: 5rem 0;
  background: var(--color-bg-section);
  border-top: 1px solid var(--color-border);
}
.centro-contacto__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
  align-items: start;
}
.centro-contacto__intro {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 600px;
}
.centro-contacto__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin: 2rem 0 0;
}
.centro-contacto__list dt {
  font-family: var(--font-display);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--color-text-light);
  margin-bottom: .35rem;
}
.centro-contacto__list dd {
  margin: 0;
  font-weight: 600;
  color: var(--color-text);
}
.centro-contacto__list a { color: var(--color-primary); }
.centro-contacto__list a:hover { text-decoration: underline; }

.centro-contacto__redes {
  background: #fff;
  border-radius: var(--radius-card);
  padding: 2rem;
  border-top: 4px solid var(--color-accent);
  box-shadow: var(--shadow-sm);
}
.centro-contacto__redes-title {
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
}
.social-list {
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.social-list a {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .75rem 1rem;
  background: var(--color-bg-soft);
  border-radius: var(--radius);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: 600;
  transition: background var(--t-base), transform var(--t-base);
}
.social-list a:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateX(4px);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-primary-dark);
  color: #fff;
  padding: 4rem 0 2rem;
}
.site-footer h3,
.site-footer h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 1rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid rgba(255,255,255,.15);
}
.site-footer p,
.site-footer a {
  color: rgba(255,255,255,.85);
}
.site-footer a:hover { color: var(--color-accent); }

.site-footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
  align-items: start;
}
.site-footer__brand img { max-height: 64px; }
.site-footer__brand-fallback {
  display: flex;
  flex-direction: column;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: #fff;
  line-height: 1.2;
}
.site-footer__brand-fallback small {
  font-size: .8rem;
  font-weight: 500;
  color: rgba(255,255,255,.7);
  margin-top: 4px;
  letter-spacing: .08em;
}
.site-footer__brand img { display: none; }

.site-footer__social ul {
  display: flex;
  gap: .5rem;
}
.site-footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,.08);
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: .75rem;
  font-weight: 700;
  transition: background var(--t-base);
}
.site-footer__social a:hover { background: var(--color-accent); color: var(--color-primary-dark) !important; }

.site-footer__cols {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.site-footer__cols ul li {
  padding: .25rem 0;
  font-size: .9rem;
}

.site-footer__copy {
  margin: 2rem 0 0;
  text-align: center;
  font-size: .8rem;
  color: rgba(255,255,255,.6);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .quicklinks__grid { grid-template-columns: repeat(2, 1fr); border-left: 1px solid var(--color-border); }
  .ejes__grid,
  .lineas__grid,
  .publicaciones__grid,
  .novedades__grid,
  .equipo__direccion { grid-template-columns: repeat(2, 1fr); }
  .about__grid,
  .formacion__grid,
  .centro-contacto__grid { grid-template-columns: 1fr; }
  .about__visual { position: static; }
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual-frame { max-width: 280px; margin-left: 0; }
  .site-footer__top { grid-template-columns: 1fr 1fr; }
  .site-footer__cols { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--t-base);
  }
  .main-nav[data-open="true"] { max-height: 80vh; overflow-y: auto; }
  .main-nav__list { flex-direction: column; align-items: stretch; gap: 0; padding: 1rem 0; }
  .main-nav__list > li > a {
    padding: .85rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
  }
  .submenu {
    position: static;
    box-shadow: none;
    border: 0;
    border-top: 0;
    background: var(--color-bg-soft);
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
    padding: 0;
  }
  .has-children[data-expanded="true"] > .submenu { display: block; }
  .main-nav__cta { margin: 1rem 1.5rem; }

  .page-title { padding-top: 2rem; }
  .hero { padding: 3rem 0; }
  .ejes,
  .about,
  .lineas,
  .publicaciones,
  .formacion,
  .historia,
  .equipo,
  .novedades,
  .centro-contacto { padding: 3.5rem 0; }

  .quicklinks__grid { grid-template-columns: 1fr; }
  .ejes__grid,
  .lineas__grid,
  .publicaciones__grid,
  .novedades__grid,
  .equipo__direccion,
  .centro-contacto__list,
  .site-footer__top,
  .site-footer__cols { grid-template-columns: 1fr; }

  .historia__row { grid-template-columns: 1fr; gap: 1rem; text-align: center; }
  .historia__milestone--top { border-right: 0; border-left: 3px solid var(--color-primary); text-align: left; }
  .historia__timeline::before { display: none; }
  .historia__year { margin: 0 auto; }

  .director-card { flex-direction: column; align-items: center; text-align: center; }
}

@media (max-width: 480px) {
  .topbar__sedes a { padding: .5rem .65rem; font-size: .65rem; }
  .hero__title { font-size: 1.5rem; }
  .hero__acronym { font-size: 2.5rem; }
}

/* ============================================================
   PRINT
   ============================================================ */
@media print {
  .topbar, .nav-toggle, .main-nav, .quicklinks, .site-footer__social,
  .hero__visual { display: none; }
  body { color: #000; background: #fff; }
  .hero, .lineas { background: #fff; color: #000; }
  .hero__title, .hero__acronym, .lineas__item h3 { color: var(--color-primary); }
}

/* Respeta reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---- Contenido editable desde el panel /admin ---- */
.novedad-card__media--img { background: none; overflow: hidden; }
.novedad-card__media--img::after { display: none; }
.novedad-card__media--img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.novedad-card__titlelink { color: inherit; text-decoration: none; }
.novedad-card__titlelink:hover { text-decoration: underline; text-decoration-color: var(--color-accent); }
.pub-card__meta { margin: 0 0 .5rem; font-size: .85rem; color: var(--color-text-muted); }
a.pub-card__cta { text-decoration: none; }
a.pub-card__cta:hover { text-decoration: underline; }