@tailwind base;
@tailwind components;
@tailwind utilities;

@layer base {
  :root {
    /* --- DESIGN TOKENS: SEMANTIC COLORS --- */
    --brand-primary: #3b82f6;
    --brand-primary-light: #60a5fa;
    --brand-primary-dark: #1d4ed8;
    
    --brand-accent: rgba(251, 202, 56, 1);
    --brand-accent-light: #fde49b;
    --brand-accent-dark: #e1a705;

    /* --- DESIGN TOKENS: SURFACES --- */
    --surface-base: #060a12;
    --surface-elevated: #0b1220;
    --surface-soft: #121b2d;
    --surface-glass: rgba(11, 18, 32, 0.6);
    
    /* --- DESIGN TOKENS: TEXT --- */
    --text-primary: #eef2ff;
    --text-secondary: rgba(238, 242, 255, 0.65);
    --text-inverse: #060a12;

    /* --- ADVANCED TOKENS: GRADIENTS --- */
    --grad-primary: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark));
    --grad-accent: linear-gradient(135deg, var(--brand-accent), var(--brand-accent-dark));
    --grad-mixed: linear-gradient(135deg, var(--brand-accent), var(--brand-primary));
    --grad-surface: linear-gradient(180deg, var(--surface-soft), var(--surface-base));

    /* --- ADVANCED TOKENS: GLASSMORPHISM & OPACITY --- */
    --glass-blur: 12px;
    --glass-border: rgba(255, 255, 255, 0.1);
    --op-5: 0.05;
    --op-10: 0.1;
    --op-20: 0.2;
    --op-40: 0.4;
    --op-60: 0.6;
    --op-80: 0.8;

    /* --- ADVANCED TOKENS: GLOWS & RADIANCE --- */
    --glow-primary: 0 0 20px color-mix(in srgb, var(--brand-primary) 30%, transparent);
    --glow-accent: 0 0 20px color-mix(in srgb, var(--brand-accent) 30%, transparent);
    --glow-soft: 0 10px 40px rgba(2, 6, 23, 0.3);
    
    /* --- FLUID TYPOGRAPHY (Modern Scale) --- */
    --fs-h1: clamp(2.5rem, 8vw, 6rem);
    --fs-h2: clamp(2rem, 6vw, 4.5rem);
    --fs-h3: clamp(1.5rem, 4vw, 3rem);
    --fs-h4: clamp(1.25rem, 3vw, 2rem);
    --fs-body: clamp(1rem, 1.1vw, 1.125rem);
    --fs-small: 0.875rem;
    
    /* --- BORDERS & SHADOWS --- */
    --border-base: rgba(148, 163, 184, 0.15);
    --border-bright: rgba(148, 163, 184, 0.3);
    
    --shadow-sm: 0 4px 12px rgba(2, 6, 23, 0.2);
    --shadow-md: 0 12px 40px rgba(2, 6, 23, 0.36);
    --shadow-lg: 0 20px 60px rgba(2, 6, 23, 0.55);
    
    /* --- UI TOKENS --- */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    --motion-base: 0.3s;
    --motion-ease: cubic-bezier(0.4, 0, 0.2, 1);
    
    /* --- COMPONENT TOKENS --- */
    --header-h: 4.45rem;
    --header-gap: 18px;
    --font-base: 'Manrope', system-ui, sans-serif;
    --font-display: 'Plus Jakarta Sans', system-ui, sans-serif;

    /* --- LEGACY ALIASES (Maintain compatibility) --- */
    --unac-blue: var(--brand-primary);
    --unac-blue-light: var(--brand-primary-light);
    --unac-blue-dark: var(--brand-primary-dark);
    --unac-yellow: var(--brand-accent);
    --unac-yellow-light: var(--brand-accent-light);
    --unac-yellow-dark: var(--brand-accent-dark);
    --bg-base: var(--surface-base);
    --bg-surface: var(--surface-elevated);
    --bg-soft: var(--surface-soft);
    --text-base: var(--text-primary);
    --text-muted: var(--text-secondary);

    /* --- HERO DYNAMIC TOKENS --- */
    --hero-title-grad: linear-gradient(to bottom, #ffffff, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.6));
    --hero-subtitle-color: rgba(255, 255, 255, 0.7);
  }

  [data-theme="light"] {
    --surface-base: #f8fafc;
    --surface-elevated: #ffffff;
    --surface-soft: #f1f5f9;
    --surface-glass: rgba(255, 255, 255, 0.7);
    
    --text-primary: #0f172a;
    --text-secondary: #1e293b;
    --text-inverse: #ffffff;

    --brand-primary: #0a2e52;
    --brand-primary-light: #1b538c;
    --brand-primary-dark: #051c33;

    --border-base: rgba(15, 23, 42, 0.08);
    --border-bright: rgba(15, 23, 42, 0.15);
    
    --glass-border: rgba(15, 23, 42, 0.05);
    
    --bg-base: var(--surface-base);
    --bg-surface: var(--surface-elevated);
    --bg-soft: var(--surface-soft);
    --text-base: var(--text-primary);
    --text-muted: var(--text-secondary);


    /* --- SOFTENED SHADOWS FOR LIGHT MODE --- */
    --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 12px 30px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.12);

    /* --- HERO DYNAMIC TOKENS LIGHT THEME --- */
    --hero-subtitle-color: #ffffff;
  }

  /* --- SHIFTED FONT WEIGHTS IN LIGHT MODE FOR BETTER CONTRAST AND HARMONY --- */
  [data-theme="light"] {
    font-weight: 500;
  }
  [data-theme="light"] body {
    font-weight: 500;
  }
  [data-theme="light"] p {
    font-weight: 500;
  }
  [data-theme="light"] .font-light {
    font-weight: 400 !important;
  }
  [data-theme="light"] .font-normal {
    font-weight: 500 !important;
  }
  [data-theme="light"] .font-medium {
    font-weight: 600 !important;
  }
  [data-theme="light"] .font-semibold {
    font-weight: 700 !important;
  }
  [data-theme="light"] .font-bold {
    font-weight: 800 !important;
  }
  [data-theme="light"] .nav-link {
    font-weight: 700;
  }
  [data-theme="light"] .mega-link strong {
    font-weight: 700;
  }

  /* --- PROGRAM CARD LIGHT THEME ADAPTATIONS --- */
  [data-theme="light"] .programa-card {
    background: var(--surface-elevated) !important;
    border-color: var(--border-base) !important;
    box-shadow: var(--shadow-sm) !important;
  }
  [data-theme="light"] .programa-card:hover {
    border-color: rgba(59, 130, 246, 0.25) !important;
    box-shadow: var(--shadow-md), 0 10px 30px rgba(59, 130, 246, 0.05) !important;
  }
  [data-theme="light"] .programa-card__image-overlay {
    background: transparent !important;
  }
  [data-theme="light"] .programa-card__cta {
    color: var(--brand-primary-dark) !important;
  }
  [data-theme="light"] .programa-card__meta-item svg {
    stroke: var(--brand-primary) !important;
  }
  [data-theme="light"] .footer-logo {
    filter: brightness(0) !important;
    transition: filter var(--motion-base) var(--motion-ease);
  }

  /* --- PROGRAM DETAIL LIGHT THEME ADAPTATIONS --- */
  [data-theme="light"] .programa-detail {
    background: var(--surface-elevated) !important;
    border-color: var(--border-base) !important;
  }
  [data-theme="light"] .programa-detail__header-overlay {
    background: linear-gradient(to top, var(--surface-elevated) 0%, rgba(255, 255, 255, 0.4) 50%, transparent 100%) !important;
  }
  [data-theme="light"] .programa-detail__close {
    background: var(--surface-soft) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-base) !important;
  }

  html,
  body {
    margin: 0;
    padding: 0;
    transition: background-color 0.5s ease, color 0.5s ease;
  }

  html {
    overflow-x: hidden;
    width: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  body {
    font-family: var(--font-base);
    color: var(--text-base);
    background-color: var(--bg-base);
    line-height: 1.5;
    transition: background-color var(--motion-base) var(--motion-ease), color var(--motion-base) var(--motion-ease);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }

  /* Lenis Support Classes */
  html.lenis, html.lenis body {
    height: auto;
  }

  .lenis.lenis-smooth {
    scroll-behavior: auto !important;
  }

  .lenis.lenis-smooth [data-lenis-prevent] {
    overscroll-behavior: contain;
  }

  .lenis.lenis-stopped {
    overflow: hidden;
  }

  .lenis.lenis-scrolling iframe {
    pointer-events: none;
  }

  ::-webkit-scrollbar {
    width: 10px;
  }

  ::-webkit-scrollbar-track {
    background: var(--bg-base);
  }

  ::-webkit-scrollbar-thumb {
    background: var(--unac-yellow);
    border: 2px solid var(--bg-base);
    border-radius: var(--radius-full);
  }

  ::-webkit-scrollbar-thumb:hover {
    background: var(--unac-yellow-dark);
  }

  main {
    overflow-x: clip;
    width: 100%;
  }

  h1 { font-size: var(--fs-h1); }
  h2 { font-size: var(--fs-h2); }
  h3 { font-size: var(--fs-h3); }
  h4 { font-size: var(--fs-h4); }

  h1,
  h2,
  h3,
  h4 {
    margin: 0;
    line-height: 1.08;
    letter-spacing: -0.03em;
    font-family: var(--font-display);
    font-weight: 700;
  }

  p {
    margin: 0;
    font-size: var(--fs-body);
    color: var(--text-muted);
  }
}

@layer components {
  .site-container {
    @apply mx-auto w-full max-w-[1504px] px-4 sm:px-6 lg:px-8;
  }

  /* Header y mega-menu se administran en assets/css/mega-menu.css */

  /* Mobile Navigation */
  .mobile-nav.active {
    @apply block;
  }

  .glass-pill {
    background: var(--surface-glass);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
  }


  .theme-toggle-surface {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-base);
  }

  .page-loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-base);
    opacity: 1;
    visibility: visible;
    transition: opacity 0.6s var(--motion-ease), visibility 0.6s var(--motion-ease);
    overflow: hidden;
  }

  html.page-loader-disabled .page-loader {
    display: none !important;
  }

  .page-loader.is-hidden {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
    display: none !important;
  }


  .loader {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0.25em 0;
  }

  .w-1 {
    width: 0.25em;
  }

  .dash {
    animation: dashArray 2s ease-in-out infinite,
      dashOffset 2s linear infinite;
  }

  .spin {
    animation: spinDashArray 2s ease-in-out infinite,
      spin 8s ease-in-out infinite,
      dashOffset 2s linear infinite;
    transform-origin: center;
  }

  @keyframes dashArray {
    0% {
      stroke-dasharray: 0 1 359 0;
    }

    50% {
      stroke-dasharray: 0 359 1 0;
    }

    100% {
      stroke-dasharray: 359 1 0 0;
    }
  }

  @keyframes spinDashArray {
    0% {
      stroke-dasharray: 270 90;
    }

    50% {
      stroke-dasharray: 0 360;
    }

    100% {
      stroke-dasharray: 270 90;
    }
  }

  @keyframes dashOffset {
    0% {
      stroke-dashoffset: 365;
    }

    100% {
      stroke-dashoffset: 5;
    }
  }

  @keyframes spin {
    0% {
      rotate: 0deg;
    }

    12.5%,
    25% {
      rotate: 270deg;
    }

    37.5%,
    50% {
      rotate: 540deg;
    }

    62.5%,
    75% {
      rotate: 810deg;
    }

    87.5%,
    100% {
      rotate: 1080deg;
    }
  }




  html.is-loading,
  body.is-loading {
    overflow: hidden;
  }

  body.is-loading {
    padding-right: var(--loader-scrollbar-compensation, 0px);
  }

  .page-loader-phrase {
    margin-top: 2rem;
    font-family: var(--font-display);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.45em;
    text-transform: uppercase;
    color: var(--text-muted);
    text-align: center;
    overflow: hidden;
    opacity: 0;
  }



  /* ==========================================================================
     FOOTER COMPONENT (Premium Dev Style)
     ========================================================================== */
  .site-footer-premium {
    background-color: var(--bg-base);
    position: relative;
    padding-top: 6rem;
    padding-bottom: 2rem;
    margin-top: 0rem;
    z-index: 20;
    overflow: visible;
  }

  .footer-fluid-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    overflow: visible;
    transform: translateY(-100%);
    display: block;
    line-height: 0;
    z-index: 10;
    pointer-events: none;
    height: 100px;
    will-change: transform;
  }

  .footer-fluid-container svg {
    overflow: visible;
    display: block;
  }

  #fluid-path {
    fill: var(--bg-base);
    will-change: d;
  }

  .footer-grid-saas {
    @apply grid grid-cols-2 gap-[1px] bg-border-base rounded-lg p-[1px] overflow-hidden;
    box-shadow: var(--shadow-sm);
  }

  .footer-grid-item {
    @apply bg-bg-surface transition-all duration-300 p-4 flex items-center cursor-default relative overflow-hidden;
  }

  .footer-grid-item::before {
    content: '';
    @apply absolute inset-0 bg-gradient-to-br from-white/5 to-transparent opacity-0 transition-opacity duration-300;
  }

  .footer-grid-item:hover {
    @apply bg-bg-soft;
  }

  .footer-grid-item:hover::before {
    @apply opacity-100;
  }

  .footer-newsletter-card {
    @apply bg-bg-surface border border-border-base rounded-xl p-6 lg:p-8 relative overflow-hidden;
    box-shadow: var(--shadow-md);
  }

  .footer-newsletter-card::after {
    content: '';
    @apply absolute -top-24 -right-24 w-48 h-48 rounded-full blur-[64px] pointer-events-none;
    background-color: color-mix(in srgb, var(--unac-yellow) 5%, transparent);
  }

  .footer-input-group {
    @apply flex items-center bg-bg-soft rounded border border-white/5 transition-all duration-300 p-1 mb-4;
  }

  .footer-input-group:focus-within {
    border-color: color-mix(in srgb, var(--unac-yellow) 40%, transparent);
  }

  .footer-social-link {
    @apply w-8 h-8 rounded bg-bg-soft flex items-center justify-center text-gray-400 hover:text-white transition-all duration-300 border border-transparent;
  }

  .footer-social-link:hover {
    background-color: color-mix(in srgb, var(--unac-yellow) 20%, transparent);
    color: var(--unac-yellow);
    border-color: color-mix(in srgb, var(--unac-yellow) 20%, transparent);
  }

  .footer-bottom-bar {
    @apply bg-bg-surface border border-border-base rounded-lg flex flex-col md:flex-row items-center justify-between p-4 gap-4;
    box-shadow: var(--shadow-sm);
  }

  /* --- Final CTA Section (Home/Escuela Sync) --- */
  .final-cta {
    @apply relative overflow-hidden;
  }

  .cta-overlay {
    background: radial-gradient(circle at center, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
    pointer-events: none;
  }

  .final-cta h2 {
    text-wrap: balance;
  }


  .split-line {
    overflow: hidden;
    padding-bottom: 0.1em;
    margin-bottom: -0.1em;
  }


/* Talento UNAC - 3D Carousel Styles */
.marquee-container {
  perspective: 1200px;
  transform-style: preserve-3d;
  position: relative;
  width: 100vw;
  max-width: 100%;
  padding: 3rem 0;
  display: flex;
  align-items: center;
}

.marquee-container::before, 
.marquee-container::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 15vw;
  z-index: 10;
  pointer-events: none;
}


.marquee-track {
  display: flex;
  gap: 2.5rem;
  width: max-content;
  transform-style: preserve-3d;
  will-change: transform;
  padding-left: 2.5rem;
}

.logo-card {
  background: white;
  border-radius: 12px;
  width: 300px;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
  transform-origin: center center;
  will-change: transform;
  transition: box-shadow var(--motion-base) var(--motion-ease);
  cursor: pointer;
}

.logo-card:hover {
  box-shadow: var(--shadow-lg);
}

.logo-card svg, .logo-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--motion-base) var(--motion-ease);
}

.logo-card:hover svg, .logo-card:hover img {
  transform: scale(1.05);
}

/* --- Ubicacion y Testimonios --- */
.cinematic-glow {
  background: radial-gradient(circle at 50% 50%, color-mix(in srgb, var(--brand-accent) calc(var(--op-10) * 100%), transparent) 0%, transparent 60%);
}

.dark-map iframe {
  filter: grayscale(20%) invert(90%) hue-rotate(180deg) contrast(85%) opacity(0.85);
  transition: filter 0.5s var(--motion-ease);
}

.dark-map:hover iframe {
  filter: grayscale(0%) invert(90%) hue-rotate(180deg) contrast(100%) opacity(1);
}

.perspective-1000 {
  perspective: 1000px;
}

.map-card {
  transition: transform 0.5s var(--motion-ease);
}

.review-card {
  transition: transform 0.4s var(--motion-ease), border-color 0.4s var(--motion-ease);
}
.review-card:hover {
  border-color: color-mix(in srgb, var(--unac-yellow) 30%, transparent);
}

.text-gradient {
  background: linear-gradient(135deg, var(--unac-yellow) 0%, var(--unac-yellow-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glass-card {
  background: var(--surface-glass);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
}





.site-wrapper {
  position: relative;
  width: 100%;
}


.content-section {
  position: relative;
  z-index: 10;
  /*background-color: var(--bg-base);*/
  /* Subtle inner glow to match the global background depth */
  /*background-image: radial-gradient(circle at 50% 0%, rgba(18, 27, 45, 0.5) 0%, transparent 80%);*/
  /* Sombra superior para separar del hero */
  /*box-shadow: 0 -15px 72px rgba(1, 5, 20, 0.8);*/
}

  .text-glow {
    text-shadow: 0 10px 40px rgba(59, 130, 246, 0.15);
  }

  .title-heavy {
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 0.95;
    font-family: var(--font-display);
  }

  /* ==========================================================================
     MEGA MENU COMPONENT
     ========================================================================== */
  .site-header {
    overflow: visible;
    padding-top: var(--header-gap);
    padding-left: clamp(10px, 2vw, 20px);
    padding-right: clamp(10px, 2vw, 20px);
    transition: padding var(--motion-base) var(--motion-ease);
  }

  .header-main {
    position: relative;
    z-index: 70;
    width: min(100%, 1440px);
    margin: 0 auto;
    border: 1px solid var(--border-base);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(12px);
    will-change: transform, opacity, filter;
    transition: box-shadow var(--motion-base) ease, border-color var(--motion-base) ease;
  }

  body.mobile-menu-open {
    overflow: hidden;
    touch-action: none;
  }

  .site-header.mobile-open .header-main {
    border-color: color-mix(in srgb, var(--unac-yellow) 28%, var(--border-bright));
    box-shadow: var(--shadow-lg), 0 0 0 1px color-mix(in srgb, var(--unac-yellow) 20%, transparent);
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
  }

  .header-main:hover {
    border-color: var(--border-bright);
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 255, 255, 0.05);
  }

  .header-main > .site-container {
    min-height: var(--header-h) !important;
    gap: 0.95rem;
    display: flex;
  }

  .header-inner {
    width: 100%;
    display: flex;
    flex-wrap: nowrap;
  }

  .mobile-nav-cta.header-cta-mobile {
    max-width: none;
  }

  .brand-logo {
    width: auto;
    height: clamp(2.65rem, 4.35vw, 3.35rem);
    max-width: min(370px, 20vw);
  }

  @media (max-width: 767px) {
    .brand-logo {
      height: clamp(2.8rem, 8vw, 3.7rem);
      max-width: min(60vw, 230px);
    }
  }

  .brand-title {
    color: var(--text-base);
    font-weight: 700;
    letter-spacing: 0.015em;
  }

  .header-cta {
    border: 2px solid color-mix(in srgb, var(--unac-yellow) 48%, transparent);
    background: transparent;
    color: var(--text-base);
    font-size: 0.9rem;
    will-change: transform, opacity, filter;
    transition: all var(--motion-base) var(--motion-ease);
  }

  .brand,
  .nav-item,
  .header-cta,
  .header-cta-mobile,
  #menu-toggle {
    will-change: transform, opacity, filter;
  }

  .header-cta:hover {
    background: color-mix(in srgb, var(--unac-yellow) 20%, transparent);
    border-color: var(--unac-yellow-light);
    box-shadow: 0 8px 20px color-mix(in srgb, var(--unac-yellow) 20%, transparent);
  }

  .header-main > .site-container > a.header-cta.hidden {
    display: none;
  }

  @media (min-width: 1024px) {
    .header-main > .site-container > a.header-cta.hidden {
      display: inline-flex;
    }
  }

  .nav-link {
    position: relative;
    border: 0;
    background: transparent;
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.006em;
    padding: 1rem 1.2rem;
    cursor: pointer;
    transition: color var(--motion-base) var(--motion-ease);
    white-space: nowrap;
  }

  .nav-link::after {
    content: '';
    position: absolute;
    left: 1.2rem;
    right: 1.2rem;
    bottom: 0.6rem;
    height: 2px;
    border-radius: 9999px;
    background: var(--unac-yellow);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--motion-base) var(--motion-ease);
  }

  .nav-item[data-active='true'] .nav-link,
  .nav-link:hover {
    color: var(--text-base);
  }

  .nav-item[data-active='true'] .nav-link::after,
  .nav-link:hover::after {
    transform: scaleX(1);
  }

  .mega-nav-shell {
    position: absolute;
    top: calc(100% + 4px);
    left: -2px;
    right: -2px;
    z-index: 65;
    max-height: 0;
    opacity: 0;
    overflow: clip;
    pointer-events: none;
    transition: opacity var(--motion-base) ease;
  }

  .mega-nav-shell.is-open {
    opacity: 1;
    pointer-events: auto;
  }

  .mega-nav-panel {
    border: 1px solid var(--border-bright);
    border-radius: var(--radius-md);
    background-color: var(--bg-surface);
  }

  .mega-sections {
    position: relative;
    min-height: 330px;
    height: var(--mega-height, 330px);
  }

  .mega-panel-content {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
    display: grid;
    gap: 1.6rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    padding: 2rem 0;
  }

  .mega-panel-content.is-active {
    opacity: 1;
    pointer-events: auto;
  }

  .mega-column + .mega-column {
    border-left: 1px solid var(--border-base);
    padding-left: 1.5rem;
  }

  .mega-column-title {
    margin: 0 0 0.75rem;
    color: var(--unac-yellow);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.02em;
  }

  .mega-link {
    display: grid;
    row-gap: 0.12rem;
    text-decoration: none;
    border-radius: var(--radius-sm);
    padding: 0.54rem 0.62rem;
    margin: 0 0 0.3rem;
    transition: all var(--motion-base) var(--motion-ease);
  }

  .mega-link:hover {
    background-color: color-mix(in srgb, var(--unac-blue) 10%, transparent);
    transform: translateX(2px);
  }

  .mega-link strong {
    display: block;
    color: var(--text-base);
    font-size: 0.95rem;
    font-weight: 600;
  }

  .mega-link span {
    display: block;
    color: var(--text-muted);
    font-size: 0.8rem;
    line-height: 1.35;
  }

  .mega-highlight {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 1px solid var(--border-bright);
    border-radius: var(--radius-md);
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
    padding: 1rem 1.05rem 1.05rem;
    box-shadow: var(--shadow-md);
  }

  .mega-highlight p {
    color: var(--text-base);
    font-size: 0.92rem;
    line-height: 1.45;
  }

  .mega-cta-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    border: 1px solid var(--unac-blue);
    background: color-mix(in srgb, var(--unac-blue) 12%, transparent);
    color: var(--text-base);
    text-decoration: none;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.72rem 1rem;
    margin-top: 1rem;
    transition: all var(--motion-base) var(--motion-ease);
  }

  .mega-cta-link:hover {
    background: color-mix(in srgb, var(--unac-blue) 20%, transparent);
    border-color: var(--unac-blue-light);
    transform: translateY(-1px);
  }

  .mobile-nav {
    position: absolute;
    top: 100%;
    left: -1px;
    right: -1px;
    z-index: 70;
    border-bottom-left-radius: var(--radius-md);
    border-bottom-right-radius: var(--radius-md);
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    overflow: hidden;
    border: 1px solid var(--border-base);
    border-top: none;
    background-color: var(--bg-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-xl);
    max-height: calc(100vh - 120px);
    overflow-y: auto;
  }

  .mobile-nav-list {
    list-style: none;
    margin: 0;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
  }

  .mobile-nav-caption {
    color: var(--text-muted);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0 0.75rem 0.75rem;
    opacity: 0.6;
  }

  .mobile-nav-list > li {
    border: none;
    background: transparent;
    border-radius: var(--radius-md);
    transition: all var(--motion-base) var(--motion-ease);
  }

  .mobile-nav-list > li.is-expanded {
    background: color-mix(in srgb, var(--unac-blue) 5%, transparent);
  }

  .mobile-section-toggle {
    width: 100%;
    border: 0;
    background: transparent;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-base);
    font-size: 1.05rem;
    font-weight: 600;
    padding: 0.85rem 0.75rem;
    border-radius: var(--radius-md);
    transition: all var(--motion-base) var(--motion-ease);
  }

  .mobile-section-toggle:hover {
    background: color-mix(in srgb, var(--unac-blue) 8%, transparent);
  }

  .mobile-toggle-symbol {
    color: var(--unac-yellow);
    font-size: 1.2rem;
    font-weight: 400;
    transition: transform var(--motion-base) var(--motion-ease);
  }

  .mobile-section-toggle[data-open='true'] .mobile-toggle-symbol {
    transform: rotate(45deg);
  }

  .mobile-submenu {
    padding: 0.25rem 0.75rem 1rem 1.5rem;
    display: grid;
    gap: 0.1rem;
    border-left: 1px solid var(--border-base);
    margin-left: 1.25rem;
    margin-bottom: 0.5rem;
  }

  .mobile-submenu a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    padding: 0.5rem 0;
    transition: color var(--motion-base) var(--motion-ease);
  }

  .mobile-submenu a:hover {
    color: var(--unac-yellow);
  }

  .mobile-submenu a.font-bold {
    color: var(--unac-yellow);
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
    letter-spacing: 0.02em;
  }


  .menu-toggle {
    margin-left: auto;
    margin-right: -0.6rem;
    border: 0;
    border-radius: 0.75rem;
    color: var(--text-base);
    background: transparent;
    box-shadow: none;
    position: relative;
    overflow: hidden;
    padding: 0.2rem;
    transition: background-color var(--motion-base) var(--motion-ease), color var(--motion-base) var(--motion-ease), transform var(--motion-base) var(--motion-ease);
  }

  .menu-toggle:hover {
    background: color-mix(in srgb, var(--unac-yellow) 8%, transparent);
    color: var(--unac-yellow-light);
    box-shadow: none;
    transform: translateY(-1px);
  }

  .menu-toggle-icon {
    width: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.22rem;
    align-items: flex-end;
  }

  .menu-toggle-line {
    height: 2px;
    border-radius: 9999px;
    background: currentColor;
    transition: width var(--motion-base) var(--motion-ease), transform var(--motion-base) var(--motion-ease), opacity var(--motion-base) var(--motion-ease), background-color var(--motion-base) var(--motion-ease);
  }

  .menu-toggle-line:nth-child(1) {
    width: 1rem;
  }

  .menu-toggle-line:nth-child(2) {
    width: 0.75rem;
  }

  .menu-toggle-line:nth-child(3) {
    width: 0.5rem;
  }

  .menu-toggle:hover .menu-toggle-line:nth-child(2) {
    width: 0.9rem;
  }

  .menu-toggle[aria-expanded='true'] .menu-toggle-icon {
    gap: 0;
  }

  .menu-toggle[aria-expanded='true'] .menu-toggle-line:nth-child(1) {
    width: 1rem;
    transform: translateY(4px) rotate(45deg);
  }

  .menu-toggle[aria-expanded='true'] .menu-toggle-line:nth-child(2) {
    opacity: 0;
    width: 0;
  }

  .menu-toggle[aria-expanded='true'] .menu-toggle-line:nth-child(3) {
    width: 1rem;
    transform: translateY(-4px) rotate(-45deg);
  }



  /* ==========================================================================
     NOTICIAS SECTION COMPONENT
     ========================================================================== */
  .main-block-container {
    position: relative;
    display: flex;
    width: 100%;
    overflow: hidden;
    min-height: 520px; 
  }

  .news-card {
    width: 100%;
    flex-shrink: 0;
    will-change: transform, opacity;
    transform-origin: center center;
    border-right: 1px solid var(--border-base);
    transition: background-color var(--motion-base) ease;
  }

  @media (min-width: 768px) { 
    .news-card { width: 50%; } 
  }

  @media (min-width: 1024px) { 
    .news-card { width: 33.333333%; } 
  }

  @media (min-width: 1280px) { 
    .news-card { width: 25%; } 
  }

  .news-card.no-border-r {
    border-right: none !important;
  }

  .news-card.is-hidden {
    display: none;
  }
}

  /* ==========================================================================
     PROGRAMAS PAGE - MERGED
     (content moved from programas/css/programas.css; :root variables
    were omitted to avoid duplication)
     ========================================================================== */

  .unac-programas-page {
    font-family: var(--font-base);
    color: var(--text-primary);
    position: relative;
    width: 100%;
    /* Background transparent - user will add their own image */
    background: transparent;
    overflow-x: hidden;
  }

  /* --- HERO SECTION --- */
  .programas-hero {
    position: relative;
    padding: clamp(4rem, 10vw, 8rem) 1.5rem clamp(3rem, 6vw, 5rem);
    text-align: center;
  }

  .programas-hero__title {
    font-size: var(--fs-h2);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-primary), var(--brand-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
  }

  .programas-hero__title-accent {
    background: var(--grad-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .programas-hero__subtitle {
    font-size: var(--fs-body);
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
  }

  /* --- STATS / BADGES HERO --- */
  .programas-stats {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
  }

  .programas-stats__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    background: rgba(11, 18, 32, 0.4);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    min-width: 120px;
  }

  .programas-stats__number {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--brand-accent);
    line-height: 1;
  }

  .programas-stats__label {
    font-size: var(--fs-small);
    color: var(--text-secondary);
    margin-top: 0.5rem;
  }

  /* --- SEARCH & FILTER TOOLBAR --- */
  .programas-search-panel {
    width: min(100%, 860px);
    margin: 0 auto 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .programas-searchbox {
    padding: 1rem;
    border-radius: calc(var(--radius-lg) + 4px);
    background: rgba(11, 18, 32, 0.58);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
  }

  .programas-searchbox__label {
    display: block;
    margin-bottom: 0.7rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-secondary);
  }

  .programas-searchbox__field {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.2rem 0.35rem 0.2rem 1rem;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
  }

  .programas-searchbox__icon {
    width: 1rem;
    height: 1rem;
    color: var(--brand-primary-light);
    flex: 0 0 auto;
    opacity: 0.85;
  }

  .programas-searchbox__input {
    min-width: 0;
    background: transparent !important;
    border-color: transparent !important;
    box-shadow: none !important;
    padding-left: 0 !important;
  }

  .programas-searchbox__input::placeholder {
    color: rgba(238, 242, 255, 0.42);
  }

  .programas-searchbox__clear {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 9999px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    transition: transform var(--motion-base) var(--motion-ease),
      background-color var(--motion-base) var(--motion-ease),
      border-color var(--motion-base) var(--motion-ease);
  }

  .programas-searchbox__clear svg {
    width: 0.95rem;
    height: 0.95rem;
  }

  .programas-searchbox__clear:hover {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.16);
  }

  .programas-searchbox__hint {
    margin-top: 0.7rem;
    font-size: 0.8rem;
    line-height: 1.5;
    color: var(--text-secondary);
  }

  .programas-results {
    text-align: center;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    color: var(--text-secondary);
  }

  /* --- FILTER BAR --- */
  .programas-filterbar {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    position: sticky;
    top: calc(var(--header-h) + 10px);
    z-index: 50;
    padding: 0.75rem;
    border-radius: var(--radius-full);
    background: rgba(11, 18, 32, 0.5);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
    max-width: 95vw;
  }

  .filter-btn {
    padding: 0.65rem 1.5rem;
    border-radius: var(--radius-full);
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-base);
    font-size: var(--fs-small);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--motion-base) var(--motion-ease);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }

  .filter-btn span {
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    transition: all var(--motion-base) var(--motion-ease);
  }

  .filter-btn.active span {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-inverse);
  }

  .filter-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-full);
    opacity: 0;
    transition: opacity var(--motion-base) var(--motion-ease);
  }

  .filter-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-base);
    background: rgba(255,255,255,0.05);
  }

  .filter-btn.active {
    color: var(--text-inverse);
    border-color: transparent;
    background: var(--grad-primary);
    box-shadow: var(--glow-primary);
  }

  .filter-btn.active::before {
    opacity: 1;
  }

  /* --- GRID LAYOUT --- */
  .programas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
    padding: 0 1.5rem;
    max-width: 1400px;
    margin: 0 auto 4rem;
  }

  @media (max-width: 480px) {
    .programas-grid {
      grid-template-columns: 1fr;
      padding: 0 1rem;
    }
  }

  /* --- PROGRAM CARD --- */
  .programa-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--glass-border);
    background: rgba(11, 18, 32, 0.45);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    transition: all var(--motion-base) var(--motion-ease);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    will-change: transform;
  }

  .programa-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    background: linear-gradient(135deg, rgba(59,130,246,0.15), rgba(251,202,56,0.1)) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--motion-base) var(--motion-ease);
    pointer-events: none;
  }

  .programa-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg), var(--glow-primary);
    border-color: rgba(59,130,246,0.3);
  }

  .programa-card:hover::after {
    opacity: 1;
  }

  .programa-card__image-wrap {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
  }

  .programa-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--motion-ease);
  }

  .programa-card:hover .programa-card__image {
    transform: scale(1.08);
  }

  .programa-card__image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(6,10,18,0.9) 0%, rgba(6,10,18,0.3) 40%, transparent 100%);
  }

  .programa-card__badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 2;
  }

  .programa-card__badge--maestria {
    background: rgba(59, 130, 246, 0.15) !important;
    border: 1px solid rgba(59, 130, 246, 0.3) !important;
    color: #60a5fa !important;
  }
  [data-theme="light"] .programa-card__badge--maestria {
    background: #ffffff !important;
    border-color: rgba(10, 46, 82, 0.2) !important;
    color: #0a2e52 !important;
  }

  .programa-card__badge--doctorado {
    background: rgba(139, 92, 246, 0.15) !important;
    border: 1px solid rgba(139, 92, 246, 0.3) !important;
    color: #c084fc !important;
  }
  [data-theme="light"] .programa-card__badge--doctorado {
    background: #ffffff !important;
    border-color: rgba(109, 40, 217, 0.2) !important;
    color: #6d28d9 !important;
  }

  .programa-card__badge--especialidad {
    background: rgba(251, 202, 56, 0.15) !important;
    border: 1px solid rgba(251, 202, 56, 0.3) !important;
    color: #fcca38 !important;
  }
  [data-theme="light"] .programa-card__badge--especialidad {
    background: #ffffff !important;
    border-color: rgba(202, 138, 4, 0.25) !important;
    color: #ca8a04 !important;
  }

  .programa-card__content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
  }

  .programa-card__faculty {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--brand-primary-light);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.5rem;
  }

  .programa-card__name {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.35;
    margin-bottom: 0.75rem;
  }

  .programa-card__desc {
    font-size: var(--fs-small);
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 1.25rem;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .programa-card__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-base);
  }

  .programa-card__meta {
    display: flex;
    gap: 1rem;
  }

  .programa-card__meta-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
  }

  .programa-card__meta-item svg {
    width: 14px;
    height: 14px;
    stroke: var(--brand-primary-light);
    fill: none;
    stroke-width: 2;
  }

  .programa-card__cta {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--brand-accent);
    transition: gap var(--motion-base) var(--motion-ease);
  }

  .programa-card:hover .programa-card__cta {
    gap: 0.6rem;
  }

  .programa-card__cta-arrow {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  /* ============================================
     DETAIL VIEW
     ============================================ */

  .programa-detail-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: calc(var(--header-h) + 20px);
    padding-bottom: 2rem;
    padding-left: 1rem;
    padding-right: 1rem;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.35s var(--motion-ease), visibility 0.35s;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }

  .programa-detail-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .programa-detail-overlay__backdrop {
    position: fixed;
    inset: 0;
    background: rgba(6, 10, 18, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }

  .programa-detail {
    position: relative;
    width: 100%;
    max-width: 1400px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    background: rgba(11, 18, 32, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transform: translateY(40px) scale(0.96);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 10;
    /* Let the overlay handle the scrolling instead of nested scrolling */
    margin-bottom: 4rem; 
  }

  .programa-detail-overlay.active .programa-detail {
    transform: translateY(0) scale(1);
  }

  .programa-detail::-webkit-scrollbar {
    width: 6px;
  }

  .programa-detail::-webkit-scrollbar-track {
    background: transparent;
  }

  .programa-detail::-webkit-scrollbar-thumb {
    background: var(--brand-primary-dark);
    border-radius: 3px;
  }

  /* Detail Header */
  .programa-detail__header {
    position: relative;
    height: 280px;
    overflow: hidden;
  }

  .programa-detail__header-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .programa-detail__header-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(11,18,32,1) 0%, rgba(11,18,32,0.5) 50%, rgba(11,18,32,0.2) 100%);
  }

  .programa-detail__header-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
  }

  .programa-detail__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--glass-border);
    background: rgba(11,18,32,0.6);
    backdrop-filter: blur(8px);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--motion-base) var(--motion-ease);
    z-index: 10;
  }

  .programa-detail__close:hover {
    background: rgba(239,68,68,0.8);
    border-color: rgba(239,68,68,0.5);
    transform: rotate(90deg);
  }

  .programa-detail__badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
  }

  .programa-detail__title {
    font-size: var(--fs-h3);
    font-weight: 800;
    line-height: 1.15;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
  }

  .programa-detail__faculty {
    font-size: var(--fs-small);
    color: var(--brand-primary-light);
    font-weight: 600;
  }

  /* Detail Body */
  .programa-detail__body {
    padding: 2rem;
  }

  /* Quick Info Bar */
  .programa-detail__quickinfo {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
  }

  .quickinfo-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-base);
  }

  .quickinfo-item__icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: rgba(59,130,246,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .quickinfo-item__icon svg {
    width: 18px;
    height: 18px;
    stroke: var(--brand-primary-light);
    fill: none;
    stroke-width: 2;
  }

  .quickinfo-item__text {
    display: flex;
    flex-direction: column;
  }

  .quickinfo-item__label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }

  .quickinfo-item__value {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
  }

  /* Tabs */
  .programa-detail__tabs {
    display: flex;
    gap: 0.25rem;
    border-bottom: 1px solid var(--border-base);
    margin-bottom: 1.5rem;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .programa-detail__tabs::-webkit-scrollbar {
    display: none;
  }

  .detail-tab {
    padding: 0.9rem 1.25rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-family: var(--font-base);
    font-size: var(--fs-small);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--motion-base) var(--motion-ease);
    white-space: nowrap;
    position: relative;
  }

  .detail-tab:hover {
    color: var(--text-primary);
  }

  .detail-tab.active {
    color: var(--brand-primary-light);
    border-bottom-color: var(--brand-primary);
  }

  /* Tab Content */
  .detail-panel {
    display: none;
    animation: fadeIn 0.4s ease-out;
  }

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

  /* Testimonials Rotation Grouped */
  .testimonial-slot {
    position: relative;
    width: 100%;
  }

  .testimonial-group {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.8s cubic-bezier(0.23, 1, 0.32, 1);
  }

  .testimonial-group.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    position: relative;
  }

  /* Dark Map Filter */
  .map-dark-filter {
    filter: invert(90%) hue-rotate(180deg) brightness(95%) contrast(90%);
    transition: filter var(--motion-base) var(--motion-ease);
  }

  [data-theme="light"] .map-dark-filter {
    filter: none;
  }

  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* Typography in panels */
  .detail-panel p {
    font-size: var(--fs-body);
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1rem;
  }

  .detail-panel strong {
    color: var(--text-primary);
    font-weight: 700;
  }

  /* Descriptions list */
  .desc-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
  }

  .desc-list__item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.5rem;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-base);
    font-size: var(--fs-small);
    color: var(--text-secondary);
    line-height: 1.6;
  }

  .desc-list__item::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--grad-accent);
    flex-shrink: 0;
    margin-top: 0.4rem;
  }

  /* Ciclos / Plan de estudios */
  .ciclos-accordion {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }

  .ciclo-item {
    border-radius: var(--radius-md);
    border: 1px solid var(--border-base);
    overflow: hidden;
    background: rgba(255,255,255,0.02);
  }

  .ciclo-item__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    cursor: pointer;
    transition: background var(--motion-base) var(--motion-ease);
  }

  .ciclo-item__header:hover {
    background: rgba(255,255,255,0.04);
  }

  .ciclo-item__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
  }

  .ciclo-item__count {
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: rgba(59,130,246,0.15);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
  }

  .ciclo-item__toggle {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--motion-base) var(--motion-ease);
  }

  .ciclo-item__toggle svg {
    width: 18px;
    height: 18px;
    stroke: var(--text-secondary);
    fill: none;
    stroke-width: 2;
  }

  .ciclo-item.open .ciclo-item__toggle {
    transform: rotate(180deg);
  }

  .ciclo-item__body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease-out;
  }

  .ciclo-item.open .ciclo-item__body {
    max-height: 500px;
  }

  .ciclo-item__courses {
    list-style: none;
    padding: 0 1.25rem 1.25rem;
    margin: 0;
  }

  .ciclo-item__courses li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0;
    font-size: var(--fs-small);
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(148,163,184,0.08);
  }

  .ciclo-item__courses li:last-child {
    border-bottom: none;
  }

  .ciclo-item__courses li::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 2px;
    background: var(--brand-primary);
    flex-shrink: 0;
  }

  /* CTA Buttons */
  .detail-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-base);
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.9rem 2rem;
    border-radius: var(--radius-full);
    background: var(--grad-primary);
    color: var(--text-primary);
    font-family: var(--font-base);
    font-size: var(--fs-small);
    font-weight: 700;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--motion-base) var(--motion-ease);
    box-shadow: var(--glow-primary);
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(59,130,246,0.4);
  }

  .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.9rem 2rem;
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--text-primary);
    font-family: var(--font-base);
    font-size: var(--fs-small);
    font-weight: 700;
    text-decoration: none;
    border: 1px solid var(--border-bright);
    cursor: pointer;
    transition: all var(--motion-base) var(--motion-ease);
  }

  .btn-secondary:hover {
    background: rgba(255,255,255,0.05);
    border-color: var(--brand-accent);
    color: var(--brand-accent);
  }

  .btn-secondary svg,
  .btn-primary svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
  }

  /* Empty State */
  .programas-empty {
    text-align: center;
    padding: 4rem 1.5rem;
    grid-column: 1 / -1;
  }

  .programas-empty__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    opacity: 0.3;
  }

  .programas-empty__title {
    font-size: var(--fs-h4);
    color: var(--text-primary);
    margin-bottom: 0.5rem;
  }

  .programas-empty__text {
    color: var(--text-secondary);
    font-size: var(--fs-body);
  }

  /* Floating particles decoration */
  .programas-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
  }

  .particle {
    position: absolute;
    border-radius: 50%;
    background: var(--brand-primary);
    opacity: 0.08;
    animation: float 20s infinite ease-in-out;
  }

  @keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0.06; }
    25% { transform: translateY(-30px) translateX(15px); opacity: 0.12; }
    50% { transform: translateY(15px) translateX(-20px); opacity: 0.08; }
    75% { transform: translateY(-20px) translateX(10px); opacity: 0.10; }
  }

  /* Scroll reveal utility */
  .reveal {
    opacity: 0;
    transform: translateY(30px);
  }

  /* Responsive */
  @media (max-width: 768px) {
    .programas-hero {
      padding-top: 3rem;
    }
    .programas-search-panel {
      gap: 0.75rem;
      margin-bottom: 1.5rem;
    }
    .programas-searchbox {
      padding: 0.85rem;
    }
    .programas-searchbox__field {
      padding-left: 0.85rem;
      gap: 0.6rem;
    }
    .programas-filterbar {
      width: 100%;
      justify-content: flex-start;
      overflow-x: auto;
      flex-wrap: nowrap;
      padding: 0.55rem;
      scrollbar-width: none;
      -webkit-overflow-scrolling: touch;
      scroll-snap-type: x proximity;
    }
    .programas-filterbar::-webkit-scrollbar {
      display: none;
    }
    .filter-btn {
      flex: 0 0 auto;
      scroll-snap-align: start;
      padding: 0.55rem 1rem;
      font-size: 0.74rem;
    }
    .programas-results {
      text-align: left;
      padding-left: 0.25rem;
    }
    .programas-grid {
      grid-template-columns: 1fr;
    }
    .programa-detail__header {
      height: 200px;
    }
    .programa-detail__body {
      padding: 1.25rem;
    }
    .programa-detail__quickinfo {
      grid-template-columns: 1fr 1fr;
    }
    .detail-actions {
      flex-direction: column;
    }
    .btn-primary, .btn-secondary {
      justify-content: center;
    }
  }

  /* Loading shimmer */
  .shimmer {
    background: linear-gradient(90deg, rgba(255,255,255,0.03) 25%, rgba(255,255,255,0.08) 50%, rgba(255,255,255,0.03) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
  }

  @keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
  }

  @layer utilities {
  .line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;  
    overflow: hidden;
  }

  .card-border-overlay {
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 2px;
    background: linear-gradient(
      var(--border-angle, 135deg), 
      var(--brand-primary), 
      var(--brand-accent), 
      transparent 80%
    );
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    pointer-events: none;
    z-index: 100;
    transform: translateZ(45px);
  }

  .glare-effect {
    position: absolute;
    inset: 0;
    background: radial-gradient(
      circle at var(--glare-x, 50%) var(--glare-y, 50%), 
      rgba(255, 255, 255, 0.15) 0%, 
      transparent 65%
    );
    pointer-events: none;
    z-index: 110;
    opacity: 0;
    mix-blend-mode: overlay;
    transform: translateZ(50px);
  }
  
  /* Advanced Glow Utilities */
  .glow-primary { box-shadow: var(--glow-primary); }
  .glow-accent { box-shadow: var(--glow-accent); }
  .glow-text-primary { text-shadow: 0 0 10px color-mix(in srgb, var(--brand-primary) 50%, transparent); }
  .glow-text-accent { text-shadow: 0 0 10px color-mix(in srgb, var(--brand-accent) 50%, transparent); }

  /* Gradient Utilities */
  .bg-grad-primary { background: var(--grad-primary); }
  .bg-grad-accent { background: var(--grad-accent); }
  .bg-grad-mixed { background: var(--grad-mixed); }
  .text-grad-mixed {
    background: var(--grad-mixed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  /* Opacity Helpers */
  .op-5 { opacity: var(--op-5); }
  .op-10 { opacity: var(--op-10); }
  .op-20 { opacity: var(--op-20); }
  .op-40 { opacity: var(--op-40); }

  .card-3d-wrapper {
    perspective: 1000px;
    transform-style: preserve-3d;
  }

  .shimmer-block {
    position: relative;
    overflow: hidden;
  }

  .shimmer-block::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
      90deg,
      transparent 0%,
      rgba(255, 255, 255, 0.04) 40%,
      rgba(255, 255, 255, 0.08) 50%,
      rgba(255, 255, 255, 0.04) 60%,
      transparent 100%
    );
    animation: shimmer 1.8s ease-in-out infinite;
  }

  @keyframes shimmer {
    0%   { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
  }
}


  /* ==========================================================================
     CTA BUTTON (GROW LEFT & INTERNAL ARROWS)
     ========================================================================== */
  .cta {
    display: inline-flex;
    flex-direction: row-reverse; /* Flechas a la izquierda del texto */
    align-items: center;
    justify-content: flex-end;
    padding: 10px 28px;
    /* Espacio inicial para las flechas en el lado izquierdo */
    padding-left: 64px; 
    text-decoration: none;
    font-family: var(--font-base);
    font-size: 0.85rem;
    font-weight: 800;
    color: #060a12;
    background: var(--unac-yellow);
    transition: background 0.5s, box-shadow 0.5s, padding-left 0.5s, transform 0.5s;
    box-shadow: 4px 4px 0 #060a12;
    transform: skewX(-15deg);
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    position: relative;
    white-space: nowrap;
    overflow: hidden; /* Garantiza que nada salga del botón */
  }

  .cta:focus {
    outline: none;
  }

  .cta:hover {
    box-shadow: 6px 6px 0 var(--unac-blue);
    background: var(--unac-yellow-light);
    /* El botón crece hacia la izquierda */
    padding-left: 95px; 
  }

  .cta .span {
    display: inline-block;
    transform: skewX(15deg);
    transition: transform 0.5s ease;
  }

  .cta .second {
    display: flex;
    align-items: center;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    width: 20px;
    position: absolute;
    left: 28px; /* Posición inicial en el lado izquierdo */
    top: 50%;
    margin-top: -10px;
    transform: skewX(15deg);
  }

  .cta:hover .second {
    /* La flecha se mueve hacia la izquierda dentro del nuevo espacio del botón */
    transform: translateX(-15px) skewX(15deg);
  }

  /* Específico para el Header */
  .header-cta {
    position: absolute !important;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%) skewX(-15deg) !important;
    z-index: 10;
  }

  .header-cta:hover {
    /* Mantenemos la posición vertical pero permitimos el crecimiento lateral del CSS base */
    transform: translateY(-50%) skewX(-15deg) !important;
  }

  @media (min-width: 1024px) {
    .header-inner {
      /* Espacio suficiente para la expansión máxima del botón hacia la izquierda */
      padding-right: 250px; 
    }
  }

  .cta svg {
    width: 50px;
    height: 20px;
    flex-shrink: 0;
  }
  
  .cta svg path {
    fill: #060a12;
  }

  .cta .three {
    transition: all 0.3s ease;
  }

  .cta .two {
    transition: all 0.5s ease;
    transform: translateX(-30%);
  }

  .cta .one {
    transition: all 0.4s ease;
    transform: translateX(-60%);
  }

  .cta:hover .one,
  .cta:hover .two {
    transform: translateX(0%);
  }

  .cta:hover .three,
  .cta:hover .two,
  .cta:hover .one {
    animation: arrowGlow 1.5s infinite;
  }

  .cta:hover .one {
    animation-delay: 0.4s;
  }

  .cta:hover .two {
    animation-delay: 0.2s;
  }

  .cta:hover .three {
    animation-delay: 0s;
  }

  @keyframes arrowGlow {
    0% { fill: var(--text-inverse); }
    50% { fill: var(--unac-blue); }
    100% { fill: var(--text-inverse); }
  }

  /* Overlay header on home page and programs page to let hero go to top */
  body[data-page="home"] .site-header,
  body[data-page="programas"] .site-header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
  }

  /* Social Sidebar Component */
  .social-sidebar {
    will-change: transform, opacity;
  }

  .social-sidebar-inner {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  .social-link {
    cursor: pointer;
    will-change: transform;
    -webkit-tap-highlight-color: transparent;
  }

  .social-link i {
    pointer-events: none;
    will-change: transform;
  }

  .social-link span,
  .theme-toggle-btn span {
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
  }

  .theme-toggle-btn {
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 15px rgba(251, 202, 56, 0.1);
    position: relative;
    overflow: hidden;
  }

  .theme-toggle-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid var(--unac-yellow);
    opacity: 0.3;
    animation: pulse-ring 2s cubic-bezier(0.455, 0.03, 0.515, 0.955) infinite;
  }

  /* Keep sidebar icons visible in light theme without changing structure/design */
  [data-theme="light"] .social-sidebar .social-link i,
  [data-theme="light"] .social-sidebar .theme-toggle-btn i {
    color: rgba(15, 23, 42, 0.72) !important;
  }

  [data-theme="light"] .social-sidebar .social-sidebar-inner {
    background: rgba(15, 23, 42, 0.06);
    border-color: rgba(15, 23, 42, 0.14);
  }

  [data-theme="light"] .social-sidebar .theme-toggle-btn {
    background: rgba(15, 23, 42, 0.08);
    border-color: rgba(15, 23, 42, 0.18);
  }

  /* Mobile theme toggle button styling in light theme */
  [data-theme="light"] #theme-toggle-mobile i {
    color: rgba(15, 23, 42, 0.72) !important;
  }
  [data-theme="light"] #theme-toggle-mobile {
    border-color: rgba(15, 23, 42, 0.18);
  }

  /* --- HERO OVERLAYS & LEGIBILITY ADJUSTMENTS --- */
  .hero-overlay-b {
    background: linear-gradient(to bottom, transparent, color-mix(in srgb, var(--surface-base) 60%, transparent), var(--surface-base));
    transition: background var(--motion-base) var(--motion-ease);
  }
  .hero-overlay-r {
    background: linear-gradient(to right, color-mix(in srgb, var(--surface-base) 80%, transparent), transparent, color-mix(in srgb, var(--surface-base) 80%, transparent));
    transition: background var(--motion-base) var(--motion-ease);
  }
  .hero-blend-overlay {
    opacity: 0.2;
    mix-blend-mode: multiply;
    transition: opacity var(--motion-base) var(--motion-ease);
  }

  [data-theme="light"] .hero-overlay-b {
    background: transparent !important;
  }
  [data-theme="light"] .hero-overlay-r {
    background: transparent !important;
  }
  [data-theme="light"] .hero-blend-overlay {
    opacity: 0 !important;
  }


  /* --- HERO KICKER / SECTION BADGE ADAPTATIONS --- */
  .hero-kicker {
    background: rgba(11, 18, 32, 0.6) !important;
    backdrop-filter: blur(8px) !important;
    -webkit-backdrop-filter: blur(8px) !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
    transition: all var(--motion-base) var(--motion-ease) !important;
  }
  .hero-kicker:hover {
    background: rgba(11, 18, 32, 0.8) !important;
    border-color: rgba(251, 202, 56, 0.3) !important;
  }
  [data-theme="light"] .hero-kicker {
    background: rgba(10, 46, 82, 0.05) !important;
    border-color: rgba(10, 46, 82, 0.15) !important;
    color: var(--brand-primary) !important; /* Elegant navy blue text */
  }
  [data-theme="light"] .hero-kicker:hover {
    background: rgba(10, 46, 82, 0.1) !important;
    border-color: var(--brand-primary) !important;
  }

  /* Explore button style */
  .btn-explore {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    transition: all var(--motion-base) var(--motion-ease);
  }
  .btn-explore:hover {
    background: #ffffff;
    color: #000000;
  }

  /* Scroll Indicator adjustments */
  #scroll-indicator span {
    color: #ffffff;
    transition: color var(--motion-base) var(--motion-ease);
  }
  #scroll-indicator div {
    background: linear-gradient(to bottom, #FBCA38, transparent);
    transition: background var(--motion-base) var(--motion-ease);
  }



  /* Tagline adjustments */
  #hero-tagline {
    transition: color var(--motion-base) var(--motion-ease);
  }

  @keyframes pulse-ring {
    0% { transform: scale(0.8); opacity: 0.5; }
    80%, 100% { transform: scale(1.3); opacity: 0; }
  }

  /* Header Light Theme Adaptations (Over Dark Hero vs Scrolled/Subpages) */
  /* Header Light Theme Adaptations (Over Dark Hero vs Scrolled/Subpages) */
  [data-theme="light"] .brand-logo {
    /* No filter - Keep original branding colors */
    filter: none !important;
    transition: filter var(--motion-base) var(--motion-ease);
  }

  [data-theme="light"] .header-main {
    background: rgba(10, 46, 82, 0.88) !important; /* Azul Posgrado en armonía */
    border-color: rgba(255, 255, 255, 0.15) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    box-shadow: 0 10px 45px rgba(10, 46, 82, 0.3) !important;
  }

  [data-theme="light"] .header-main .nav-link {
    color: rgba(255, 255, 255, 0.75) !important;
  }

  [data-theme="light"] .header-main .nav-link:hover,
  [data-theme="light"] .header-main .nav-item[data-active='true'] .nav-link {
    color: var(--unac-yellow) !important;
  }

  [data-theme="light"] .header-main #menu-toggle {
    color: #ffffff !important;
  }

  [data-theme="light"] .header-main #menu-toggle .menu-toggle-line {
    background-color: #ffffff !important;
  }

  [data-theme="light"] .header-main #theme-toggle-mobile {
    border-color: rgba(255, 255, 255, 0.15) !important;
  }

  [data-theme="light"] .header-main #theme-toggle-mobile i {
    color: rgba(255, 255, 255, 0.8) !important;
  }

  [data-theme="light"] body[data-page="home"] .site-header:not(.scrolled-past-hero):not(.menu-open) .brand-logo,
  [data-theme="light"] body[data-page="programas"] .site-header:not(.scrolled-past-hero):not(.menu-open) .brand-logo {
    filter: none !important;
  }

  [data-theme="light"] body[data-page="home"] .site-header:not(.scrolled-past-hero):not(.menu-open) .header-main,
  [data-theme="light"] body[data-page="programas"] .site-header:not(.scrolled-past-hero):not(.menu-open) .header-main {
    background: rgba(10, 46, 82, 0.75) !important; /* Más translúcido sobre el hero */
    border-color: rgba(255, 255, 255, 0.12) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
  }

  [data-theme="light"] body[data-page="home"] .site-header:not(.scrolled-past-hero):not(.menu-open) .nav-link,
  [data-theme="light"] body[data-page="programas"] .site-header:not(.scrolled-past-hero):not(.menu-open) .nav-link {
    color: rgba(255, 255, 255, 0.8) !important;
  }

  [data-theme="light"] body[data-page="home"] .site-header:not(.scrolled-past-hero):not(.menu-open) .nav-link:hover,
  [data-theme="light"] body[data-page="programas"] .site-header:not(.scrolled-past-hero):not(.menu-open) .nav-link:hover {
    color: var(--unac-yellow) !important;
  }

  [data-theme="light"] body[data-page="home"] .site-header:not(.scrolled-past-hero):not(.menu-open) #theme-toggle-mobile i,
  [data-theme="light"] body[data-page="programas"] .site-header:not(.scrolled-past-hero):not(.menu-open) #theme-toggle-mobile i {
    color: rgba(255, 255, 255, 0.85) !important;
  }

  [data-theme="light"] body[data-page="home"] .site-header:not(.scrolled-past-hero):not(.menu-open) #theme-toggle-mobile,
  [data-theme="light"] body[data-page="programas"] .site-header:not(.scrolled-past-hero):not(.menu-open) #theme-toggle-mobile {
    border-color: rgba(255, 255, 255, 0.15) !important;
  }

  [data-theme="light"] body[data-page="home"] .site-header:not(.scrolled-past-hero):not(.menu-open) #menu-toggle,
  [data-theme="light"] body[data-page="programas"] .site-header:not(.scrolled-past-hero):not(.menu-open) #menu-toggle {
    color: #ffffff !important;
  }

  [data-theme="light"] body[data-page="home"] .site-header:not(.scrolled-past-hero):not(.menu-open) #menu-toggle:hover,
  [data-theme="light"] body[data-page="programas"] .site-header:not(.scrolled-past-hero):not(.menu-open) #menu-toggle:hover {
    color: var(--unac-yellow) !important;
  }

  /* --- LIGHT THEME INDEX HARMONIZATION --- */
  [data-theme="light"] .from-unac-yellow {
    background: none !important;
    -webkit-text-fill-color: #ca8a04 !important;
    color: #ca8a04 !important;
  }

  [data-theme="light"] .text-gradient {
    background: none !important;
    -webkit-text-fill-color: #ca8a04 !important;
    color: #ca8a04 !important;
  }

  [data-theme="light"] .calc-glow-text {
    background: none !important;
    -webkit-text-fill-color: var(--brand-primary) !important;
    color: var(--brand-primary) !important;
    text-shadow: none !important;
  }

  [data-theme="light"] .text-unac-yellow {
    color: #ca8a04 !important;
  }

  [data-theme="light"] .bg-unac-yellow {
    background-color: #ca8a04 !important;
  }

  [data-theme="light"] .bg-unac-yellow:hover {
    background-color: var(--brand-primary) !important;
    color: #ffffff !important;
  }

  /* --- SGI LIGHT THEME HARMONIZATION --- */
  .sgi-hero-accent {
    color: var(--brand-accent);
  }
  .sgi-accent-bar {
    background-color: var(--brand-accent);
  }
  .sgi-icon-accent {
    color: var(--brand-accent);
  }
  .sgi-blob-primary {
    mix-blend-mode: screen;
    opacity: 0.2;
  }
  .sgi-blob-accent {
    mix-blend-mode: screen;
    opacity: 0.1;
  }

  /* SGI Tab buttons states */
  .sgi-tab-active-state {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
  }
  .sgi-tab-inactive-state {
    color: rgba(255, 255, 255, 0.6);
    border-color: transparent;
  }
  .sgi-tab-inactive-state:hover {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.05);
  }

  /* SGI Content card */
  .sgi-content-box {
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }

  /* SGI Items inside tabs */
  .sgi-item-link {
    background-color: var(--surface-soft);
    border-color: rgba(255, 255, 255, 0.05);
  }
  .sgi-item-link:hover {
    border-color: rgba(251, 202, 56, 0.4);
  }
  .sgi-icon-circle {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--brand-accent);
  }
  .sgi-item-link:hover .sgi-icon-circle {
    background-color: rgba(251, 202, 56, 0.1);
  }
  .sgi-item-title {
    color: #ffffff;
  }
  .sgi-item-link:hover .sgi-item-title {
    color: var(--brand-accent);
  }

  /* Light Theme overrides for SGI page */
  [data-theme="light"] .sgi-hero-accent {
    color: #ca8a04 !important;
  }
  [data-theme="light"] .sgi-accent-bar {
    background-color: #ca8a04 !important;
  }
  [data-theme="light"] .sgi-icon-accent {
    color: #ca8a04 !important;
  }
  [data-theme="light"] .sgi-blob-primary {
    mix-blend-mode: multiply !important;
    opacity: 0.06 !important;
  }
  [data-theme="light"] .sgi-blob-accent {
    mix-blend-mode: multiply !important;
    opacity: 0.06 !important;
  }

  [data-theme="light"] .sgi-tab-active-state {
    color: var(--text-primary) !important;
    background-color: var(--surface-soft) !important;
    border-color: var(--border-bright) !important;
  }
  [data-theme="light"] .sgi-tab-inactive-state {
    color: var(--text-secondary) !important;
    border-color: transparent !important;
  }
  [data-theme="light"] .sgi-tab-inactive-state:hover {
    color: var(--text-primary) !important;
    background-color: var(--surface-soft) !important;
  }

  [data-theme="light"] .sgi-content-box {
    background-color: var(--surface-elevated) !important;
    border-color: var(--border-base) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    box-shadow: var(--shadow-md) !important;
  }

  [data-theme="light"] .sgi-item-link {
    background-color: var(--surface-base) !important;
    border-color: var(--border-base) !important;
  }
  [data-theme="light"] .sgi-item-link:hover {
    border-color: var(--brand-primary-light) !important;
    background-color: var(--surface-soft) !important;
  }
  [data-theme="light"] .sgi-icon-circle {
    background-color: rgba(10, 46, 82, 0.05) !important;
    color: #ca8a04 !important;
  }
  [data-theme="light"] .sgi-item-link:hover .sgi-icon-circle {
    background-color: rgba(10, 46, 82, 0.1) !important;
  }
  [data-theme="light"] .sgi-item-title {
    color: var(--text-primary) !important;
  }
  [data-theme="light"] .sgi-item-link:hover .sgi-item-title {
    color: var(--brand-primary-light) !important;
  }

  /* ==========================================================================
     UNIDAD DE INVESTIGACIÓN - LIGHT THEME HARMONIZATION
     ========================================================================== */

  /* --- Default (Dark Theme) base styles for semantic classes --- */
  .ui-photo-card {
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.55);
  }
  .ui-photo-overlay {
    background: linear-gradient(to top, var(--surface-base), color-mix(in srgb, var(--surface-base) 30%, transparent), transparent);
    opacity: 0.95;
  }
  .group:hover .ui-photo-overlay {
    opacity: 0.85;
  }
  .ui-ring-subtle {
    --tw-ring-color: rgba(255, 255, 255, 0.1);
  }
  .ui-comite-card {
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  }
  .ui-comite-card:hover {
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.45);
  }
  .ui-comite-caption {
    background: linear-gradient(to top, var(--surface-base), color-mix(in srgb, var(--surface-base) 95%, transparent), color-mix(in srgb, var(--surface-base) 40%, transparent));
  }
  .ui-conf-card {
    background: var(--surface-glass);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
  }
  .ui-conf-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
  }

  /* --- Light Theme Overrides for Unidad de Investigación --- */
  [data-theme="light"] {
    --ui-hero-grad-start: rgba(10, 46, 82, 0.55);
    --ui-hero-grad-end: rgba(10, 46, 82, 0.75);
  }

  [data-theme="light"] .ui-photo-card {
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.15) !important;
  }
  [data-theme="light"] .ui-photo-overlay {
    background: linear-gradient(to top, var(--surface-elevated), color-mix(in srgb, var(--surface-elevated) 40%, transparent), transparent) !important;
    opacity: 0.9 !important;
  }
  [data-theme="light"] .group:hover .ui-photo-overlay {
    opacity: 0.8 !important;
  }
  [data-theme="light"] .ui-ring-subtle {
    --tw-ring-color: rgba(15, 23, 42, 0.08) !important;
  }

  [data-theme="light"] .ui-comite-card {
    box-shadow: 0 15px 40px rgba(15, 23, 42, 0.1) !important;
  }
  [data-theme="light"] .ui-comite-card:hover {
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.15) !important;
  }
  [data-theme="light"] .ui-comite-caption {
    background: linear-gradient(to top, var(--surface-elevated), color-mix(in srgb, var(--surface-elevated) 95%, transparent), color-mix(in srgb, var(--surface-elevated) 50%, transparent)) !important;
  }

  [data-theme="light"] .ui-conf-card {
    background: var(--surface-elevated) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border-color: var(--border-base) !important;
    box-shadow: var(--shadow-sm) !important;
  }
  [data-theme="light"] .ui-conf-card:hover {
    border-color: var(--border-bright) !important;
    box-shadow: var(--shadow-md) !important;
  }

  /* Glass-card override for light theme (global) */
  [data-theme="light"] .glass-card {
    background: var(--surface-elevated) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border-color: var(--border-base) !important;
    box-shadow: var(--shadow-sm) !important;
  }

  /* Glass-pill override for light theme (global) */
  [data-theme="light"] .glass-pill {
    background: var(--surface-elevated) !important;
    border-color: var(--border-base) !important;
    box-shadow: var(--shadow-sm) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }

  /* Filter button active state for light theme */
  [data-theme="light"] .filter-btn.active {
    background-color: var(--brand-primary) !important;
    color: #ffffff !important;
    border-color: var(--brand-primary) !important;
  }

  /* Ambient glow blobs - soften in light mode */
  [data-theme="light"] .ui-section .bg-brand-primary\/5,
  [data-theme="light"] .ui-section .bg-brand-primary\/10,
  [data-theme="light"] .ui-section .bg-brand-accent\/5 {
    opacity: 0.3 !important;
  }

  /* Logo card images in light mode - full color, subtle hover */
  [data-theme="light"] .logo-card img {
    opacity: 0.7;
  }
  [data-theme="light"] .logo-card img:hover {
    opacity: 1;
  }