/* =========================================
   1. CSS RESET & BASE
   ========================================= */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* Justificación uniforme para bloques de prosa largos
   (descripciones, sinopsis, misión/visión, artículos).
   hyphens evita los huecos enormes típicos del justify
   cortando palabras largas al final de la línea. */
.about__description,
.research__description,
.mv-card__body,
.long-form__body p,
.long-form__lead,
.publicacion-card__synopsis {
    text-align: justify;
    hyphens: auto;
    -webkit-hyphens: auto;
}


/* =========================================
   2. CSS VARIABLES (mobile-first defaults)
   ========================================= */
:root {
    /* Colors */
    --color-bg: #ffffff;
    --color-text: #1a1d29;
    --color-muted: #5b6172;
    --color-border: #e6e8ef;

    /* Primary accent: Universidad Pedagógica Nacional blue */
    --color-primary: #005CAB;
    --color-primary-dark: #00427d;
    --color-primary-light: #e6effa;

    /* Typography */
    --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --font-display: "Playfair Display", Georgia, "Times New Roman", serif;

    /* Layout */
    --container-max: 1200px;
    --container-padding: 1.25rem;

    /* Spacing scale */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-full: 999px;

    /* Effects */
    --shadow-sm: 0 2px 8px rgba(14, 19, 32, 0.06);
    --shadow-md: 0 8px 24px rgba(14, 19, 32, 0.1);
    --transition: 0.25s ease;

    /* Navbar */
    --nav-height: 80px;
}


/* =========================================
   3. LAYOUT UTILITIES
   ========================================= */
.navbar__container,
.hero__container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}


/* =========================================
   4. NAVBAR (sticky)
   ========================================= */
.navbar {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid transparent;
    z-index: 1000;
    transition: box-shadow var(--transition), border-color var(--transition);
}

/* Subtle shadow once user scrolls */
.navbar.is-scrolled {
    box-shadow: var(--shadow-sm);
    border-bottom-color: var(--color-border);
}

.navbar__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

/* Logo */
.navbar__logo {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-weight: 700;
    color: var(--color-text);
}

.navbar__logo-image {
    display: block;
    height: 68px;
    width: auto;
    max-width: 380px;
    object-fit: contain;
}

/* Nav links — hidden on mobile, shown on desktop (see media query) */
.navbar__nav {
    display: none;
}

.navbar__list {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar__link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.5rem 0.85rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-muted);
    border-radius: var(--radius-sm);
    transition: color var(--transition), background-color var(--transition);
    /* Reset native button styles so it matches anchor siblings */
    font-family: inherit;
    line-height: inherit;
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
}

.navbar__link:hover,
.navbar__link:focus-visible {
    color: var(--color-primary);
    background-color: var(--color-primary-light);
}

/* Chevron arrow for dropdown triggers */
.navbar__chevron {
    width: 8px;
    height: 8px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg) translate(-2px, -2px);
    transition: transform var(--transition);
}

/* Rotate chevron when dropdown is open */
.navbar__item--has-dropdown.is-open > .navbar__link .navbar__chevron,
.navbar__link[aria-expanded="true"] .navbar__chevron {
    transform: rotate(-135deg) translate(-2px, -2px);
}

/* ---------- DROPDOWN PANEL (mobile default = hidden accordion) ---------- */
.navbar__item {
    position: relative;
}

.navbar__dropdown {
    list-style: none;
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.3s ease;
}

.navbar__item--has-dropdown.is-open > .navbar__dropdown {
    max-height: 500px; /* large enough for content */
}

.navbar__sublink {
    display: block;
    padding: 0.65rem 1rem 0.65rem 2rem;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-muted);
    border-radius: var(--radius-sm);
    transition: color var(--transition), background-color var(--transition);
}

.navbar__sublink:hover,
.navbar__sublink:focus-visible {
    color: var(--color-primary);
    background-color: var(--color-primary-light);
}

/* Hamburger toggle (mobile) */
.navbar__toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition);
}

.navbar__toggle:hover {
    background-color: var(--color-primary-light);
}

.navbar__bar {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

/* Hamburger -> X when open */
.navbar__toggle.is-active .navbar__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.navbar__toggle.is-active .navbar__bar:nth-child(2) {
    opacity: 0;
}
.navbar__toggle.is-active .navbar__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu panel */
.navbar__nav.is-open {
    display: block;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background-color: #fff;
    padding: var(--space-sm) var(--container-padding) var(--space-md);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    animation: slideDown 0.25s ease;
}

.navbar__nav.is-open .navbar__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
}

.navbar__nav.is-open .navbar__link {
    display: block;
    padding: 0.85rem 1rem;
    font-size: 1rem;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}


/* =========================================
   5. HERO SECTION
   ========================================= */
.hero {
    position: relative;
    /* Shorter hero so the quick-links cards below peek into view on load */
    min-height: calc(78vh - var(--nav-height));
    display: flex;
    align-items: center;
    padding: var(--space-lg) 0 var(--space-xl);
    overflow: hidden;
    isolation: isolate;
}

/* Hero background image placeholder */
.hero__bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(135deg, rgba(14, 19, 32, 0.45) 0%, rgba(0, 92, 171, 0.05) 100%),
        url("assets/hero.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -2;
}

/* Overlay: lighter wash on the left (text side), fades into a subtle blue
   tint on the right — picks up the UPN brand color instead of pure white */
.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        100deg,
        rgba(255, 255, 255, 0.22) 0%,
        rgba(255, 255, 255, 0.08) 45%,
        rgba(0, 92, 171, 0.05) 100%
    );
    z-index: -1;
}

/* On smaller screens, content is full-width — a softer top-down wash */
@media (max-width: 767px) {
    .hero__overlay {
        background: linear-gradient(
            180deg,
            rgba(255, 255, 255, 0.22) 0%,
            rgba(0, 92, 171, 0.04) 100%
        );
    }
}

.hero__content {
    max-width: 760px;
}

.hero__eyebrow {
    display: inline-block;
    padding: 0.4rem 0.9rem;
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 5.5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: #ffffff;
    text-shadow: 0 2px 12px rgba(14, 19, 32, 0.35);
    margin-bottom: var(--space-md);
}

.hero__title-accent {
    color: #9fc8ff;
    font-style: italic;
}

.hero__description {
    font-size: clamp(1rem, 1.6vw, 1.15rem);
    color: rgba(255, 255, 255, 0.92);
    text-shadow: 0 1px 8px rgba(14, 19, 32, 0.3);
    margin-bottom: var(--space-lg);
    max-width: 560px;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}


/* =========================================
   6. QUICK LINKS (5 service cards)
   ========================================= */
.quicklinks {
    padding: var(--space-lg) 0 var(--space-xl);
    background-color: var(--color-bg);
}

.quicklinks__container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.quicklinks__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-sm);
}

/* The 5th card spans the full width on the 2-col mobile layout */
.quicklinks__grid > li:last-child {
    grid-column: span 2;
}

.quicklink {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: var(--space-md) var(--space-sm);
    min-height: 130px;
    background-color: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    text-align: center;
    font-weight: 600;
    transition: transform var(--transition),
                box-shadow var(--transition),
                border-color var(--transition),
                color var(--transition),
                background-color var(--transition);
}

.quicklink:hover,
.quicklink:focus-visible {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    color: var(--color-primary);
    background-color: #fff;
    box-shadow: var(--shadow-md);
}

/* Icon circle */
.quicklink__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    transition: background-color var(--transition), color var(--transition);
}

.quicklink__icon svg {
    width: 28px;
    height: 28px;
}

.quicklink:hover .quicklink__icon,
.quicklink:focus-visible .quicklink__icon {
    background-color: var(--color-primary);
    color: #fff;
}

.quicklink__label {
    font-size: 0.95rem;
    letter-spacing: 0.01em;
}


/* =========================================
   7. ABOUT SECTION (image left, text right)
   ========================================= */
.about {
    padding: var(--space-xl) 0;
    background-color: var(--color-bg);
}

.about__container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

/* Media (image + decorative accent block) */
.about__media {
    position: relative;
    width: 100%;
    max-width: 560px;
    margin: 0 auto;
}

.about__accent {
    position: absolute;
    top: 1.5rem;
    left: -1rem;
    width: 70%;
    height: 100%;
    background-color: var(--color-primary-light);
    border-radius: var(--radius-md);
    z-index: 0;
}

.about__image {
    position: relative;
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    z-index: 1;
}

/* Content (text column) */
.about__eyebrow {
    display: inline-block;
    padding: 0.4rem 1rem;
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.about__title {
    font-family: var(--font-display);
    font-size: clamp(1.9rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

.about__title-accent {
    color: var(--color-primary);
    font-style: italic;
}

.about__description {
    font-size: 1.05rem;
    color: var(--color-muted);
    margin-bottom: var(--space-lg);
    max-width: 56ch;
}

.about__features {
    margin-bottom: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.about__feature {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.5;
}

.about__feature-bullet {
    flex-shrink: 0;
    margin-top: 0.45rem;
    width: 8px;
    height: 8px;
    background-color: var(--color-primary);
    border-radius: 50%;
}

/* Cita destacada (pull-quote) dentro del about — usado en que-es-upn.html */
.about__quote {
    position: relative;
    margin: var(--space-md) 0 var(--space-lg);
    padding: 0.25rem 0 0.25rem var(--space-md);
    border-left: 4px solid var(--color-primary);
}

.about__quote p {
    margin: 0;
    font-family: var(--font-display);
    font-style: italic;
    font-size: clamp(1.1rem, 1.8vw, 1.3rem);
    line-height: 1.5;
    color: var(--color-text);
}

.about__quote::before {
    content: "“";
    position: absolute;
    top: -0.4rem;
    left: 0.65rem;
    font-family: var(--font-display);
    font-size: 3rem;
    line-height: 1;
    color: var(--color-primary);
    opacity: 0.25;
    pointer-events: none;
}


/* =========================================
   7b. RESEARCH & INNOVATION (text left, image right)
   Mirrors the About layout: subtle tinted
   background to break visual rhythm; the
   decorative accent block sits on the
   opposite side of the image.
   ========================================= */
.research {
    padding: var(--space-xl) 0;
    background-color: var(--color-primary-light);
}

.research__container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.research__media {
    position: relative;
    width: 100%;
    max-width: 560px;
    margin: 0 auto;
}

.research__accent {
    position: absolute;
    top: 1.5rem;
    right: -1rem;
    width: 70%;
    height: 100%;
    background-color: var(--color-primary);
    opacity: 0.18;
    border-radius: var(--radius-md);
    z-index: 0;
}

.research__image {
    position: relative;
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    z-index: 1;
}

.research__eyebrow {
    display: inline-block;
    padding: 0.4rem 1rem;
    background-color: #ffffff;
    color: var(--color-primary-dark);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.research__title {
    font-family: var(--font-display);
    font-size: clamp(1.9rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

.research__title-accent {
    color: var(--color-primary);
    font-style: italic;
}

.research__description {
    font-size: 1.05rem;
    color: var(--color-muted);
    margin-bottom: var(--space-lg);
    max-width: 56ch;
}

.research__features {
    margin-bottom: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.research__feature {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.5;
}

.research__feature-bullet {
    flex-shrink: 0;
    margin-top: 0.45rem;
    width: 8px;
    height: 8px;
    background-color: var(--color-primary);
    border-radius: 50%;
}


/* =========================================
   8. NEWS & ANNOUNCEMENTS
   ========================================= */
.news {
    padding: var(--space-2xl) 0;
    background-color: #fafafa;
}

.news__container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Section header */
.news__header {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.news__eyebrow {
    display: inline-block;
    padding: 0.4rem 1rem;
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-sm);
}

.news__title {
    font-family: var(--font-display);
    font-size: clamp(1.9rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

.news__viewall {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-primary);
    transition: gap var(--transition), color var(--transition);
    align-self: flex-start;
}

.news__viewall:hover,
.news__viewall:focus-visible {
    color: var(--color-primary-dark);
    gap: 0.7rem;
}

.news__arrow {
    transition: transform var(--transition);
}

.news__viewall:hover .news__arrow,
.news__viewall:focus-visible .news__arrow {
    transform: translateX(2px);
}

/* News grid */
.news__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

/* News card */
.news-card {
    background-color: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform var(--transition),
                box-shadow var(--transition),
                border-color var(--transition);
}

.news-card:hover,
.news-card:focus-within {
    transform: translateY(-4px);
    border-color: transparent;
    box-shadow: var(--shadow-md);
}

.news-card__link {
    display: flex;
    flex-direction: column;
    height: 100%;
    color: inherit;
}

/* Image with category tag overlay */
.news-card__media {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background-color: var(--color-primary-light);
}

.news-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-card:hover .news-card__image {
    transform: scale(1.05);
}

.news-card__category {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.3rem 0.7rem;
    background-color: rgba(255, 255, 255, 0.95);
    color: var(--color-primary-dark);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

/* Card body */
.news-card__body {
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 0.55rem;
}

.news-card__date {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-muted);
}

.news-card__title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-text);
    transition: color var(--transition);
}

.news-card:hover .news-card__title {
    color: var(--color-primary);
}

.news-card__excerpt {
    font-size: 0.95rem;
    color: var(--color-muted);
    line-height: 1.55;
    flex: 1;
}

.news-card__readmore {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-top: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
    transition: gap var(--transition);
}

.news-card:hover .news-card__readmore {
    gap: 0.7rem;
}

/* Empty state when no news items exist */
.news__empty {
    text-align: center;
    color: var(--color-muted);
    padding: var(--space-lg) 0;
    font-style: italic;
}

/* On the dedicated news page show every item in a responsive grid */
.news--archive {
    padding-top: var(--space-xl);
    background-color: var(--color-bg);
}

.news--archive .news__grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

@media (min-width: 600px) {
    .news--archive .news__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--space-lg);
    }
}

@media (min-width: 960px) {
    .news--archive .news__grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

/* ---------- PAGE HEADER (used by news.html and future inner pages) ---------- */
.page-header {
    padding: var(--space-xl) 0 var(--space-lg);
    background-color: var(--color-primary-light);
    border-bottom: 1px solid var(--color-border);
}

.page-header__container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.page-header__crumbs {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.85rem;
    color: var(--color-muted);
    margin-bottom: var(--space-sm);
}

.page-header__crumbs a {
    color: var(--color-primary);
    font-weight: 600;
    transition: color var(--transition);
}

.page-header__crumbs a:hover,
.page-header__crumbs a:focus-visible {
    color: var(--color-primary-dark);
}

.page-header__eyebrow {
    display: inline-block;
    padding: 0.35rem 0.9rem;
    background-color: #fff;
    color: var(--color-primary-dark);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-sm);
}

.page-header__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: 0.65rem;
}

.page-header__subtitle {
    max-width: 60ch;
    color: var(--color-muted);
    font-size: 1.05rem;
    line-height: 1.55;
}


/* =========================================
   8b. PROGRAMS — "Elige tu camino" (3 cards)
   White background; cards sit on a subtle
   tinted strip so they pop without competing
   with the news section above.
   ========================================= */
.programs {
    padding: var(--space-xl) 0;
    background-color: var(--color-bg);
}

.programs__container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.programs__header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.programs__eyebrow {
    display: inline-block;
    padding: 0.4rem 1rem;
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.programs__title {
    font-family: var(--font-display);
    font-size: clamp(1.9rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.programs__title-accent {
    color: var(--color-primary);
    font-style: italic;
}

.programs__lead {
    font-size: 1.05rem;
    color: var(--color-muted);
    max-width: 56ch;
    margin: 0 auto;
}

.programs__grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

/* Individual program card */
.program-card {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    padding: var(--space-lg);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.program-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.program-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.program-card__icon svg {
    width: 26px;
    height: 26px;
}

.program-card__level {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primary);
}

.program-card__title {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
    margin: 0;
}

.program-card__description {
    font-size: 0.98rem;
    color: var(--color-muted);
    line-height: 1.55;
    margin: 0;
}

.program-card__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    border-top: 1px solid var(--color-border);
    padding-top: 1rem;
    margin-top: 0.25rem;
}

.program-card__list li {
    position: relative;
    padding-left: 1.1rem;
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.45;
}

.program-card__list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 6px;
    height: 6px;
    background-color: var(--color-primary);
    border-radius: 50%;
}

.program-card__cta {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    padding-top: 0.5rem;
}

.program-card__cta:hover {
    color: var(--color-primary-dark);
}

.program-card__arrow {
    transition: transform var(--transition);
}

.program-card:hover .program-card__arrow {
    transform: translateX(4px);
}


/* =========================================
   8c. MISSION & VISION (que-es-upn.html)
   Sección de dos tarjetas lado a lado en
   desktop, apiladas en móvil.
   ========================================= */
.mv {
    padding: var(--space-xl) 0;
    background-color: #fafafa;
}

.mv__container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.mv__header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.mv__eyebrow {
    display: inline-block;
    padding: 0.4rem 1rem;
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.mv__title {
    font-family: var(--font-display);
    font-size: clamp(1.9rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin: 0;
}

.mv__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

.mv-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: var(--space-lg);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}

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

.mv-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.mv-card__icon svg {
    width: 28px;
    height: 28px;
}

.mv-card__title {
    font-family: var(--font-display);
    font-size: 1.7rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
    margin: 0;
}

.mv-card__body {
    font-size: 1rem;
    color: var(--color-muted);
    line-height: 1.65;
    margin: 0;
}


/* =========================================
   8d. LONG-FORM ARTICLE
   Layout para páginas con bastante texto:
   imagen como banner arriba y cuerpo de
   artículo con subtítulos. Ancho de columna
   reducido para mejorar la legibilidad.
   ========================================= */
.long-form {
    padding: var(--space-xl) 0;
    background-color: var(--color-bg);
}

.long-form__container {
    width: 100%;
    max-width: 920px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.long-form__image {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 7;
    object-fit: cover;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-xl);
}

.long-form__body {
    color: var(--color-text);
    line-height: 1.7;
    font-size: 1.05rem;
}

.long-form__body p {
    color: var(--color-muted);
    margin: 0 0 var(--space-md);
    max-width: 70ch;
}

.long-form__lead {
    font-size: 1.18rem;
    line-height: 1.6;
    color: var(--color-text) !important;
    margin-bottom: var(--space-lg) !important;
}

.long-form__body h2 {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
    margin: var(--space-lg) 0 var(--space-sm);
}

.long-form__body h3 {
    font-family: var(--font-body);
    font-size: 1.18rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text);
    margin: var(--space-md) 0 0.5rem;
}

.long-form__body ul {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-md);
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.long-form__body ul li {
    position: relative;
    padding-left: 1.2rem;
    color: var(--color-text);
    line-height: 1.55;
    max-width: 70ch;
}

.long-form__body ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 6px;
    height: 6px;
    background-color: var(--color-primary);
    border-radius: 50%;
}


/* =========================================
   8e. DIRECTORY — Cards de personal
   Grid de tarjetas con foto cuadrada arriba,
   nombre, puesto y teléfono debajo.
   ========================================= */
.directory {
    padding: var(--space-xl) 0;
    background-color: var(--color-bg);
}

.directory__container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.directory__grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

.directory-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-lg) 1.25rem;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.directory-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.directory-card__photo {
    display: block;
    width: 110px;
    height: 110px;
    border-radius: 50%;
    object-fit: cover;
    /* Fondo de respaldo cuando la imagen aún no existe */
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.directory-card__body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    width: 100%;
}

.directory-card__name {
    font-family: var(--font-display);
    font-size: 1.18rem;
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-text);
    margin: 0;
}

.directory-card__role {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--color-primary);
    margin: 0;
    line-height: 1.35;
}

.directory-card__contact {
    list-style: none;
    width: 100%;
    margin: 0.6rem 0 0;
    padding: 0.85rem 0 0;
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.45rem;
}

.directory-card__contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    font-size: 0.92rem;
    color: var(--color-muted);
    line-height: 1.4;
}

.directory-card__contact-icon {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    color: var(--color-primary);
}

.directory-card__contact a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition);
}

.directory-card__contact a:hover,
.directory-card__contact a:focus-visible {
    color: var(--color-primary);
}


/* =========================================
   8f. DOCS / DOWNLOADS — Listas de archivos
   Usado por Titulación, Constancias, etc.
   Cada grupo es un <h2> seguido de una lista
   de .doc-link (ícono · título · meta · acción).
   ========================================= */
.docs {
    padding: var(--space-xl) 0 var(--space-2xl);
    background-color: var(--color-bg);
}

.docs__container {
    width: 100%;
    max-width: 920px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.docs__group-title {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 3vw, 1.8rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
    margin: 0 0 0.5rem;
}

.docs__group-lead {
    font-size: 1rem;
    color: var(--color-muted);
    line-height: 1.55;
    max-width: 70ch;
    margin: 0 0 var(--space-md);
}

.docs__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Subgrupo dentro de un docs__group (p. ej. categorías dentro de
   Documentos Normativos: fundamentos legales, planes de desarrollo, etc.) */
.docs__subgroup {
    margin-top: var(--space-md);
}

.docs__subgroup-title {
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-primary-dark);
    margin: 0 0 0.65rem;
}

.doc-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.15rem;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    text-decoration: none;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background-color var(--transition);
}

.doc-link:hover,
.doc-link:focus-visible {
    transform: translateY(-2px);
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-md);
    background-color: var(--color-primary-light);
}

.doc-link__icon {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.doc-link__icon svg {
    width: 22px;
    height: 22px;
}

.doc-link__body {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.doc-link__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.35;
}

.doc-link__meta {
    font-size: 0.82rem;
    color: var(--color-muted);
    letter-spacing: 0.02em;
}

.doc-link__action {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--color-primary);
    transition: transform var(--transition);
}

.doc-link__action svg {
    width: 20px;
    height: 20px;
}

.doc-link:hover .doc-link__action {
    transform: translateY(2px);
}


/* =========================================
   8g. FOLIO — Validación de constancias
   Formulario con input + botón y panel de
   resultado con tres estados: válido, inválido
   y error de carga.
   ========================================= */
.folio {
    padding: var(--space-xl) 0 var(--space-2xl);
    background-color: var(--color-bg);
}

.folio__container {
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.folio-form {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
}

.folio-form__label {
    display: block;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.55rem;
}

.folio-form__row {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.folio-form__input {
    flex: 1 1 auto;
    min-width: 0;
    padding: 0.85rem 1rem;
    font: inherit;
    color: var(--color-text);
    background-color: var(--color-bg);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition), box-shadow var(--transition);
    letter-spacing: 0.02em;
}

.folio-form__input::placeholder {
    color: var(--color-muted);
    letter-spacing: normal;
}

.folio-form__input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 92, 171, 0.18);
}

.folio-form__submit {
    flex-shrink: 0;
    white-space: nowrap;
}

.folio-form__help {
    margin: 0.75rem 0 0;
    font-size: 0.85rem;
    color: var(--color-muted);
    line-height: 1.45;
}

/* ----- Panel de resultado ----- */
.folio-result {
    margin-top: var(--space-md);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background-color: var(--color-bg);
    box-shadow: var(--shadow-sm);
}

.folio-result__icon {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
}

.folio-result__icon svg {
    width: 24px;
    height: 24px;
}

.folio-result__body {
    flex: 1 1 auto;
    min-width: 0;
}

.folio-result__title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 0.35rem;
}

.folio-result__message {
    font-size: 0.95rem;
    color: var(--color-muted);
    line-height: 1.55;
    margin: 0;
}

.folio-result__details {
    margin: 1rem 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.folio-result__row {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    padding: 0.6rem 0.85rem;
    background-color: rgba(255, 255, 255, 0.55);
    border-radius: var(--radius-sm);
}

.folio-result__row dt {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-muted);
}

.folio-result__row dd {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
}

/* Estado VÁLIDO */
.folio-result--valid {
    background-color: #ecfaf1;
    border-color: #b6e6c6;
}

.folio-result--valid .folio-result__icon {
    background-color: #c8f1d6;
    color: #137a3b;
}

.folio-result--valid .folio-result__title {
    color: #0f6e35;
}

/* Estado INVÁLIDO */
.folio-result--invalid {
    background-color: #fdecec;
    border-color: #f3c2c2;
}

.folio-result--invalid .folio-result__icon {
    background-color: #f8d2d2;
    color: #a01d1d;
}

.folio-result--invalid .folio-result__title {
    color: #a01d1d;
}

/* Estado ERROR (problema cargando el JSON) */
.folio-result--error {
    background-color: #fdf4e3;
    border-color: #efd9a4;
}

.folio-result--error .folio-result__icon {
    background-color: #f8e2b3;
    color: #8a5a07;
}

.folio-result--error .folio-result__title {
    color: #8a5a07;
}


/* =========================================
   8h. OFERTA EDUCATIVA — Detalle por nivel
   Tres secciones (#licenciatura, #maestria,
   #doctorado) cada una con su propio grid de
   tarjetas de programa. Las secciones pares
   tienen fondo tintado para alternar el ritmo.
   ========================================= */
.oferta {
    padding: var(--space-xl) 0;
    background-color: var(--color-bg);
    /* Compensa la altura del navbar sticky cuando se aterriza vía hash */
    scroll-margin-top: calc(var(--nav-height) + 1rem);
}

.oferta--alt {
    background-color: var(--color-primary-light);
}

.oferta__container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.oferta__header {
    margin-bottom: var(--space-lg);
    max-width: 720px;
}

.oferta__level {
    display: inline-block;
    padding: 0.35rem 0.9rem;
    background-color: var(--color-primary);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    margin-bottom: 0.85rem;
}

.oferta--alt .oferta__level {
    background-color: #fff;
    color: var(--color-primary-dark);
}

.oferta__title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin: 0 0 0.6rem;
}

.oferta__lead {
    font-size: 1.05rem;
    color: var(--color-muted);
    line-height: 1.6;
    margin: 0;
}

.oferta__grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

/* ----- Tarjeta de un programa individual ----- */
.programa-card {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    padding: var(--space-lg);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.programa-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.programa-card__title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-text);
    margin: 0;
}

.programa-card__description {
    font-size: 0.98rem;
    color: var(--color-muted);
    line-height: 1.6;
    margin: 0;
}

.programa-card__meta {
    list-style: none;
    margin: auto 0 0;
    padding: 1rem 0 0;
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
}

.programa-card__meta li {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.programa-card__meta-label {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-muted);
}

.programa-card__meta-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text);
}

.programa-card__cta {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    margin-top: 0.25rem;
    padding: 0.55rem 1.1rem;
    background-color: var(--color-primary);
    color: #fff;
    font-size: 0.92rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-full);
    transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.programa-card__cta:hover,
.programa-card__cta:focus-visible {
    background-color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(0, 92, 171, 0.28);
}

.programa-card__cta-arrow {
    transition: transform var(--transition);
}

.programa-card__cta:hover .programa-card__cta-arrow {
    transform: translateX(3px);
}

/* ----- Chips del page-header (navegación interna entre niveles) ----- */
.page-header__chips {
    list-style: none;
    margin: 1.25rem 0 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.page-header__chip {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 1rem;
    background-color: #fff;
    color: var(--color-primary-dark);
    font-size: 0.88rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: 1px solid transparent;
    text-decoration: none;
    transition: background-color var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

.page-header__chip:hover,
.page-header__chip:focus-visible {
    background-color: var(--color-primary);
    color: #fff;
    transform: translateY(-1px);
}


/* =========================================
   8i. CALENDAR — Página con imagen del calendario
   ========================================= */
.calendar {
    padding: var(--space-xl) 0 var(--space-2xl);
    background-color: var(--color-bg);
}

.calendar__container {
    width: 100%;
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    text-align: center;
}

.calendar__figure {
    margin: 0;
    padding: 0;
}

.calendar__image-link {
    display: block;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition), box-shadow var(--transition);
}

.calendar__image-link:hover,
.calendar__image-link:focus-visible {
    transform: translateY(-3px);
    box-shadow: 0 16px 40px rgba(14, 19, 32, 0.18);
}

.calendar__image {
    display: block;
    width: 100%;
    height: auto;
    /* Fondo de respaldo mientras la imagen aún no existe */
    background-color: var(--color-primary-light);
}

.calendar__caption {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--color-muted);
    font-style: italic;
}

.calendar__actions {
    margin-top: var(--space-lg);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
}


/* =========================================
   8j. PUBLICACIONES — Catálogo de libros
   Tarjetas horizontales: portada del libro a
   la izquierda, título/autor/sinopsis a la
   derecha. En móvil se apilan (portada arriba).
   ========================================= */
.publicaciones {
    padding: var(--space-xl) 0 var(--space-2xl);
    background-color: var(--color-bg);
}

.publicaciones__container {
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.publicaciones__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.publicacion-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding: var(--space-md);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.publicacion-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.publicacion-card__cover {
    display: block;
    width: 100%;
    max-width: 240px;
    aspect-ratio: 2 / 3;
    object-fit: cover;
    align-self: center;
    border-radius: var(--radius-sm);
    box-shadow: 0 6px 18px rgba(14, 19, 32, 0.18);
    /* Respaldo cuando la portada aún no existe */
    background-color: var(--color-primary-light);
}

.publicacion-card__body {
    flex: 1 1 auto;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.publicacion-card__title {
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 2.2vw, 1.45rem);
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-text);
    margin: 0;
}

.publicacion-card__author {
    font-size: 0.9rem;
    color: var(--color-primary);
    font-weight: 600;
    line-height: 1.45;
    margin: 0;
}

.publicacion-card__synopsis {
    font-size: 0.98rem;
    color: var(--color-muted);
    line-height: 1.6;
    margin: 0;
}


/* =========================================
   9. ADMIN — FAB + modal (news editor)
   ========================================= */

/* Floating action button */
.admin-fab {
    position: fixed;
    right: 1.25rem;
    bottom: 1.25rem;
    z-index: 900;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: #fff;
    box-shadow: 0 8px 24px rgba(0, 92, 171, 0.35);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform var(--transition), background-color var(--transition);
}

.admin-fab:hover,
.admin-fab:focus-visible {
    transform: translateY(-2px);
    background-color: var(--color-primary-dark);
}

.admin-fab svg {
    width: 22px;
    height: 22px;
}

/* Modal container */
.admin-modal {
    position: fixed;
    inset: 0;
    z-index: 1100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm);
}

.admin-modal[hidden] {
    display: none;
}

.admin-modal__backdrop {
    position: absolute;
    inset: 0;
    background-color: rgba(14, 19, 32, 0.55);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: adminFade 0.2s ease;
}

.admin-modal__panel {
    position: relative;
    width: 100%;
    max-width: 640px;
    max-height: calc(100vh - 2rem);
    background-color: #fff;
    border-radius: var(--radius-md);
    box-shadow: 0 20px 50px rgba(14, 19, 32, 0.3);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: adminSlide 0.25s ease;
}

/* Compact panel variant — used for the login dialog */
.admin-modal__panel--small {
    max-width: 420px;
}

@keyframes adminFade {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes adminSlide {
    from { opacity: 0; transform: translateY(12px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0)    scale(1); }
}

/* Header */
.admin-modal__header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-border);
}

.admin-modal__title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    flex: 1;
    text-align: center;
}

.admin-modal__back {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
    padding: 0.35rem 0.6rem;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition);
}

.admin-modal__back:hover,
.admin-modal__back:focus-visible {
    background-color: var(--color-primary-light);
}

.admin-modal__signout {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-muted);
    padding: 0.4rem 0.7rem;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition), color var(--transition);
}

.admin-modal__signout:hover,
.admin-modal__signout:focus-visible {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.admin-modal__close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: var(--color-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition), color var(--transition);
}

.admin-modal__close:hover,
.admin-modal__close:focus-visible {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.admin-modal__close svg {
    width: 18px;
    height: 18px;
}

/* List view */
.admin-list,
.admin-form {
    padding: 1.25rem;
    overflow-y: auto;
    flex: 1;
}

.admin-list[hidden],
.admin-form[hidden] {
    display: none;
}

.admin-list__add {
    width: 100%;
    padding: 0.85rem 1rem;
    margin-bottom: 1rem;
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition), color var(--transition);
}

.admin-list__add:hover,
.admin-list__add:focus-visible {
    background-color: var(--color-primary);
    color: #fff;
}

.admin-list__items {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.admin-list__empty {
    text-align: center;
    color: var(--color-muted);
    padding: var(--space-md) 0;
    font-style: italic;
}

.admin-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition);
}

.admin-item:hover {
    border-color: var(--color-primary);
}

.admin-item__thumb {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    background-color: var(--color-primary-light);
}

.admin-item__body {
    flex: 1;
    min-width: 0;
}

.admin-item__title {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-text);
    margin-bottom: 0.15rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.admin-item__meta {
    font-size: 0.8rem;
    color: var(--color-muted);
}

.admin-item__actions {
    display: flex;
    gap: 0.35rem;
    flex-shrink: 0;
}

.admin-item__action {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    color: var(--color-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition), color var(--transition);
}

.admin-item__action svg {
    width: 16px;
    height: 16px;
}

.admin-item__action--edit:hover,
.admin-item__action--edit:focus-visible {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.admin-item__action--delete:hover,
.admin-item__action--delete:focus-visible {
    background-color: rgba(220, 38, 38, 0.1);
    color: #dc2626;
}

/* Form view */
.admin-form__field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-bottom: 1rem;
}

.admin-form__label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
}

.admin-form__field input,
.admin-form__field textarea {
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--color-text);
    padding: 0.65rem 0.85rem;
    background-color: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition), box-shadow var(--transition);
    width: 100%;
}

.admin-form__field input:focus,
.admin-form__field textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.admin-form__field textarea {
    resize: vertical;
    min-height: 80px;
}

.admin-form__row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.85rem;
}

.admin-form__error {
    background-color: rgba(220, 38, 38, 0.08);
    color: #b91c1c;
    border: 1px solid rgba(220, 38, 38, 0.25);
    border-radius: var(--radius-sm);
    padding: 0.6rem 0.85rem;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

@media (min-width: 520px) {
    .admin-form__row {
        grid-template-columns: 1fr 1fr;
    }
}

.admin-form__actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.admin-form__actions .btn {
    padding: 0.7rem 1.3rem;
    font-size: 0.95rem;
}

/* Prevent body scroll when modal is open */
body.admin-open {
    overflow: hidden;
}


/* =========================================
   10. BUTTONS (rounded, subtle hover)
   ========================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.95rem 1.8rem;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    border-radius: var(--radius-full);
    transition: transform var(--transition),
                background-color var(--transition),
                color var(--transition),
                box-shadow var(--transition),
                border-color var(--transition);
    white-space: nowrap;
}

.btn--primary {
    background-color: var(--color-primary);
    color: #fff;
    box-shadow: 0 6px 18px rgba(0, 92, 171, 0.28);
}

.btn--primary:hover,
.btn--primary:focus-visible {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(0, 92, 171, 0.35);
}

.btn--secondary {
    background-color: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-text);
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
    background-color: var(--color-text);
    color: #fff;
    transform: translateY(-2px);
}

/* Hero override: solid white pill for contrast against the background image */
.hero .btn--secondary {
    background-color: #ffffff;
    color: var(--color-primary-dark);
    border-color: #ffffff;
    box-shadow: 0 6px 18px rgba(14, 19, 32, 0.18);
}

.hero .btn--secondary:hover,
.hero .btn--secondary:focus-visible {
    background-color: #ffffff;
    color: var(--color-primary);
    border-color: #ffffff;
    box-shadow: 0 10px 24px rgba(14, 19, 32, 0.25);
}


/* =========================================
   10b. CONTENIDO (sección genérica: texto + imagen + botón)
   Usa la misma tipografía y paleta que .programs / .program-card.
   ========================================= */
.contenido {
    padding: var(--space-xl) 0;
    background-color: #ffffff;
}

.contenido__container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    align-items: center;
}

.contenido__media {
    width: 100%;
    max-width: 540px;
}

.contenido__image {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 14px;
    box-shadow: 0 20px 50px -12px rgba(14, 19, 32, 0.35),
                0 8px 20px -6px rgba(14, 19, 32, 0.15);
    display: block;
}

.contenido__content {
    width: 100%;
    max-width: 540px;
}

.contenido__title {
    font-family: var(--font-display);
    font-size: clamp(1.35rem, 2.4vw, 1.75rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.01em;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.contenido .btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
}

.contenido__title-accent {
    color: var(--color-primary);
    font-style: italic;
}

.contenido__description {
    font-family: var(--font-body);
    font-size: 1.05rem;
    color: var(--color-muted);
    line-height: 1.7;
    text-align: justify;
    hyphens: auto;
    margin-bottom: var(--space-md);
}

@media (min-width: 768px) {
    .contenido__container {
        flex-direction: row;
        align-items: center;
        gap: var(--space-2xl);
    }

    .contenido__media,
    .contenido__content {
        flex: 1;
        max-width: none;
    }

    /* Modificador: invierte el orden (texto izq, imagen der) */
    .contenido--reverse .contenido__container {
        flex-direction: row-reverse;
    }
}


/* =========================================
   11. FOOTER
   ========================================= */
.footer {
    background-color: #05070e;
    color: rgba(255, 255, 255, 0.7);
    padding: var(--space-2xl) 0 var(--space-md);
    font-size: 0.95rem;
}

.footer__container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Columna: Universidad */
.footer__brand-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.01em;
    margin-bottom: 0.25rem;
}

.footer__brand-subtitle {
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.footer__brand-tagline {
    max-width: 38ch;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.65);
}

/* Encabezados de columna */
.footer__heading {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

/* Enlaces */
.footer__link {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition);
}

.footer__link:hover,
.footer__link:focus-visible {
    color: var(--color-primary);
}

/* Columna: Contacto */
.footer__address {
    font-style: normal;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.footer__contact {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    line-height: 1.5;
}

.footer__contact-icon {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin-top: 0.15rem;
    color: var(--color-primary);
}

.footer__contact-phones {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.35rem 0.55rem;
}

.footer__contact-phones > span {
    color: rgba(255, 255, 255, 0.4);
}

/* Columna: Redes Sociales */
.footer__social {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    padding: 0;
    margin: 0;
    list-style: none;
}

.footer__social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.08);
    color: #fff;
    border-radius: 50%;
    transition: background-color var(--transition),
                color var(--transition),
                transform var(--transition);
}

.footer__social-link svg {
    width: 20px;
    height: 20px;
}

.footer__social-link:hover,
.footer__social-link:focus-visible {
    background-color: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
}

/* Barra inferior */
.footer__bottom {
    padding-top: var(--space-md);
    text-align: center;
}

.footer__copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}


/* =========================================
   12. RESPONSIVE — TABLET & DESKTOP
   ========================================= */
@media (min-width: 768px) {
    :root {
        --container-padding: 2rem;
        --nav-height: 80px;
    }

    /* Quicklinks: 5 cards in a single row */
    .quicklinks__grid {
        grid-template-columns: repeat(5, minmax(0, 1fr));
        gap: var(--space-md);
    }

    .quicklinks__grid > li:last-child {
        grid-column: auto;
    }

    /* News: header becomes a single row, grid becomes 3 columns */
    .news__header {
        flex-direction: row;
        align-items: flex-end;
        justify-content: space-between;
    }

    .news__grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: var(--space-lg);
    }

    /* Footer: 3 columnas en escritorio (universidad más ancha) */
    .footer__grid {
        grid-template-columns: 1.6fr 1.2fr 1fr;
        gap: var(--space-xl) var(--space-2xl);
    }
}

@media (min-width: 960px) {
    /* Show desktop nav, hide hamburger */
    .navbar__nav {
        display: block;
    }

    .navbar__toggle {
        display: none;
    }

    .navbar__nav.is-open {
        position: static;
        padding: 0;
        background: none;
        border: none;
        box-shadow: none;
        animation: none;
    }

    /* ---------- DESKTOP DROPDOWN ---------- */
    .navbar__dropdown {
        position: absolute;
        top: calc(100% + 8px);
        left: 0;
        min-width: 220px;
        max-height: none;
        padding: 0.5rem;
        background-color: #fff;
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-md);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-6px);
        transition: opacity var(--transition),
                    transform var(--transition),
                    visibility var(--transition);
    }

    /* Bridge the 8px gap so hover doesn't break when moving the cursor down */
    .navbar__item--has-dropdown::before {
        content: "";
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        height: 12px;
    }

    /* Open on hover, keyboard focus, or explicit click toggle */
    .navbar__item--has-dropdown:hover > .navbar__dropdown,
    .navbar__item--has-dropdown:focus-within > .navbar__dropdown,
    .navbar__item--has-dropdown.is-open > .navbar__dropdown {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .navbar__item--has-dropdown:hover > .navbar__link .navbar__chevron,
    .navbar__item--has-dropdown:focus-within > .navbar__link .navbar__chevron {
        transform: rotate(-135deg) translate(-2px, -2px);
    }

    .navbar__sublink {
        padding: 0.6rem 0.9rem;
    }

    /* About section: side-by-side, image left, text right */
    .about__container {
        flex-direction: row;
        align-items: center;
        gap: var(--space-2xl);
    }

    .about__media {
        flex: 1 1 0;
        max-width: none;
        margin: 0;
    }

    .about__content {
        flex: 1 1 0;
    }

    /* Research section: side-by-side, text left, image right */
    .research__container {
        flex-direction: row;
        align-items: center;
        gap: var(--space-2xl);
    }

    .research__content {
        flex: 1 1 0;
    }

    .research__media {
        flex: 1 1 0;
        max-width: none;
        margin: 0;
    }

    /* Programs grid: 3 cards side-by-side from tablet up */
    .programs__grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: var(--space-lg);
    }

    /* Mission & Vision grid: 2 cards side-by-side from tablet up */
    .mv__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--space-lg);
    }

    /* Directory grid: 2 cards per row at tablet width */
    .directory__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--space-lg);
    }

    /* Folio form: input + button side-by-side from tablet up */
    .folio-form__row {
        flex-direction: row;
        align-items: stretch;
    }

    /* Oferta educativa: 2 program cards per row on tablet */
    .oferta__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--space-lg);
    }

    /* Publicaciones: tarjeta horizontal (portada izquierda · texto derecha) */
    .publicacion-card {
        flex-direction: row;
        align-items: flex-start;
        gap: var(--space-lg);
        padding: var(--space-lg);
    }

    .publicacion-card__cover {
        flex-shrink: 0;
        width: 180px;
        max-width: none;
        align-self: flex-start;
    }
}

@media (min-width: 1100px) {
    /* Oferta educativa: 3 program cards per row on desktop */
    .oferta__grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    /* Directory grid: 3 cards per row at desktop */
    .directory__grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (min-width: 1100px) {
    .hero {
        padding: var(--space-xl) 0;
    }
}


/* =========================================
   13. SCROLL REVEAL (fade-up on intersect)
   ========================================= */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.8s ease, transform 0.8s ease;
    will-change: opacity, transform;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delays */
.reveal--delay-1 { transition-delay: 120ms; }
.reveal--delay-2 { transition-delay: 240ms; }
.reveal--delay-3 { transition-delay: 360ms; }
.reveal--delay-4 { transition-delay: 480ms; }


/* =========================================
   14. ACCESSIBILITY
   ========================================= */
:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

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