/* =========================================================
   CET Nº1 — ESTILOS GLOBALES
   Base, tipografía, navbar, menú, botones, footer, formularios
   y componentes compartidos por todas las páginas.
   ========================================================= */
/* =========================================================
   CET Nº1 — Estilo Institucional
   ========================================================= */

:root {
    --bg-color: #ffffff;
    --bg-alt: #f6f4ef;
    --bg-paper: #fbfaf6;
    --primary-color: #1d4e89;
    --secondary-color: #0a2540;
    --accent-color: #b08a3e;
    --accent-soft: #d6b56b;
    --text-primary: #1a1a1a;
    --text-secondary: #5a5a5a;
    --text-light: #ffffff;
    --border-color: #e4e0d6;
    --transition: all 0.45s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 4px 24px rgba(10, 37, 64, 0.08);
    --shadow-lg: 0 16px 48px rgba(10, 37, 64, 0.14);
    --serif: 'Cormorant Garamond', 'Playfair Display', Georgia, 'Times New Roman', serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    scroll-behavior: smooth;
    /* clip recorta el desborde horizontal sin convertir al body en
       contenedor de scroll, lo que permite usar position: sticky. */
    overflow-x: hidden;
    overflow-x: clip;
    touch-action: pan-y;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

h1, h2, h3, .logo {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-weight: 800;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 28px;
}
/* =========================================================
   PRELOADER
   ========================================================= */
.loader-wrapper {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: var(--secondary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.page-index .loader-wrapper {
    display: none;
}

.loader {
    width: 44px;
    height: 44px;
    border: 2px solid rgba(255,255,255,0.2);
    border-top-color: #00a8e8;
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
}

.navbar.scrolled {
    padding: 18px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 100%;
    padding: 0 48px;
    gap: 32px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.nav-logo {
    height: 45px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--secondary-color);
    letter-spacing: -1px;
}

.icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1em;
    height: 1em;
    line-height: 1;
    vertical-align: middle;
    flex-shrink: 0;
}

.icon svg {
    width: 100%;
    height: 100%;
    display: block;
    fill: currentColor;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

/* Mobile Menu Styles */
@media (max-width: 1200px) {
    .menu-btn {
        font-size: 2.8rem;
        padding: 0.55rem;
        color: var(--secondary-color);
        background: rgba(255, 255, 255, 0.96);
        border: none;
        border-radius: 3px;
        box-shadow: none;
        transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease;
    }

    .menu-btn .icon-menu-open,
    .menu-btn .icon-menu-close {
        width: 2rem;
        height: 2rem;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        left: auto;
        width: min(84vw, 360px);
        height: 100vh;
        background:
            linear-gradient(180deg, rgba(255,255,255,0.98), rgba(251,250,246,0.98)),
            var(--bg-color);
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        gap: 0.9rem;
        transform: translateX(100%);
        transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.45s ease;
        z-index: 999;
        padding: 110px 20px 28px;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        border-left: 1px solid rgba(10, 37, 64, 0.06);
        border-radius: 10px 0 0 10px;
        box-shadow: -28px 0 48px rgba(10, 37, 64, 0.18);
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .nav-links a {
        font-size: 1.02rem;
    }

    .menu-btn {
        z-index: 1000;
    }

    .menu-btn:hover,
    .menu-btn.active {
        transform: translateY(-1px);
        background: rgba(10, 37, 64, 0.98);
        color: var(--text-light);
    }

    .menu-btn.active i::before {
        content: "\f00d";
    }

    .nav-links .dropdown {
        position: relative;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.3rem;
        width: 100%;
    }

    .nav-links .dropbtn {
        font-size: 1rem;
        padding: 1rem 1.1rem;
        border-radius: 4px;
        background: transparent;
        width: 100%;
        justify-content: space-between;
        font-weight: 700;
        color: var(--secondary-color);
        border: none;
        box-shadow: none;
    }

    .nav-links .dropdown-content {
        position: static;
        display: none !important;
        background: rgba(246, 244, 239, 0.72);
        box-shadow: none;
        border: none;
        padding: 0.45rem;
        margin-top: 0.5rem;
        flex-direction: column;
        gap: 0.35rem;
        width: 100%;
        border-radius: 4px;
    }

    .nav-links .dropdown-content a {
        padding: 0.8rem 1rem;
        font-size: 0.95rem;
        color: var(--text-secondary);
        border-radius: 3px;
        text-align: left;
    }

    .nav-links .dropdown-content a:hover {
        background: rgba(255, 255, 255, 0.92);
        color: var(--primary-color);
    }

    .nav-links .dropdown-content.active {
        display: flex !important;
    }

    .nav-links > li > a:not(.dropbtn) {
        display: flex;
        align-items: center;
        width: 100%;
        padding: 1rem 1.1rem;
        border-radius: 4px;
        background: transparent;
        border: none;
        box-shadow: none;
        color: var(--secondary-color);
    }

    .nav-links > li > a:hover,
    .nav-links .dropbtn:hover {
        background: rgba(255, 255, 255, 0.95);
        color: var(--primary-color);
        transform: translateX(3px);
    }
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Dropdown Styles */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropbtn {
    display: flex;
    align-items: center;
    gap: 5px;
}

.dropbtn i,
.dropbtn .icon {
    font-size: 0.7rem;
    transition: var(--transition);
}

.dropdown:hover .dropbtn i,
.dropdown:hover .dropbtn .icon {
    transform: rotate(180deg);
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: var(--bg-color);
    min-width: 180px;
    box-shadow: var(--shadow);
    z-index: 1;
    border-radius: 4px;
    top: 100%;
    left: 0;
    padding: 10px 0;
    border: 1px solid var(--border-color);
    animation: fadeIn 0.3s ease;
}

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

.dropdown-content a {
    color: var(--text-secondary);
    padding: 12px 20px;
    text-decoration: none;
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
}

.dropdown-content a:hover {
    background-color: var(--bg-alt);
    color: var(--primary-color);
}

.dropdown-content.active,
.dropdown:hover .dropdown-content {
    display: block;
}

.menu-btn {
    display: none;
    font-size: 2rem;
    color: var(--secondary-color);
    cursor: pointer;
    z-index: 1001;
    padding: 0.5rem;
    line-height: 1;
}

.menu-btn .icon-menu-open,
.menu-btn .icon-menu-close {
    width: 1.3rem;
    height: 1.3rem;
}

.menu-btn .icon-menu-close {
    display: none;
}

.menu-btn.active .icon-menu-open {
    display: none;
}

.menu-btn.active .icon-menu-close {
    display: inline-flex;
}

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
    display: inline-block;
    padding: 13px 34px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--secondary-color);
    color: var(--text-light);
    clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

.btn-primary:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,168,232,0.35);
}

.btn-outline {
    border: 1.5px solid rgba(255,255,255,0.75);
    color: var(--text-light);
    background: transparent;
    clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

.btn-outline:hover {
    background: var(--text-light);
    color: var(--secondary-color);
    border-color: var(--text-light);
}

/* Variante oscura: para outline sobre fondos claros (latest-news, gallery, etc.) */
.latest-news .btn-outline,
.gallery-section .btn-outline {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
    background: transparent;
}
.latest-news .btn-outline:hover,
.gallery-section .btn-outline:hover {
    background: var(--secondary-color);
    color: var(--text-light);
    border-color: var(--secondary-color);
}

/* =========================================================
   SECTION HEADER (shared)
   ========================================================= */
.section-header {
    margin-bottom: 60px;
}

.section-header h1,
.section-header h2 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    color: var(--secondary-color);
    letter-spacing: -1.5px;
    margin-bottom: 12px;
    line-height: 1.05;
}

.section-header p {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 480px;
    font-weight: 400;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.section-label::before {
    content: '';
    display: inline-block;
    width: 24px;
    height: 2px;
    background: var(--primary-color);
}

/* =========================================================
   FOOTER
   ========================================================= */
footer {
    background-color: var(--secondary-color);
    color: var(--text-light);
    padding: 56px 0 28px;
}

.footer-simple {
    text-align: center;
}

.footer-simple .logo {
    display: inline-block;
    margin-bottom: 25px;
    color: var(--text-light);
}

.footer-simple p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 30px;
}

.social-links {
    display: flex;
    gap: 25px;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.social-links a {
    font-size: 1.1rem;
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.social-links a i,
.social-links a .icon {
    font-size: 2rem;
}

.social-links a:hover {
    color: var(--primary-color);
    transform: translateY(-5px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.footer-index {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at top left, rgba(29, 78, 137, 0.28), transparent 34%),
        radial-gradient(circle at bottom right, rgba(176, 138, 62, 0.18), transparent 30%),
        linear-gradient(135deg, #081b30 0%, #0a2540 60%, #12375f 100%);
}

.footer-index::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.04), transparent 26%);
    pointer-events: none;
}

.footer-index .container {
    position: relative;
    z-index: 1;
}

.footer-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.7fr) repeat(3, minmax(0, 1fr));
    gap: 32px;
    align-items: start;
}

.footer-brand,
.footer-column {
    background: transparent;
    border: 0;
    border-radius: 0;
    padding: 0;
    backdrop-filter: none;
    box-shadow: none;
}

.footer-brand-link {
    margin-bottom: 12px;
}

.footer-index .footer-brand .logo-text,
.footer-index .footer-column h3 {
    color: var(--text-light);
}

.footer-index .footer-brand .logo-text {
    font-size: 1.5rem;
    letter-spacing: -0.6px;
}

.footer-lead {
    color: rgba(255, 255, 255, 0.78);
    margin-bottom: 18px;
    max-width: 39ch;
    line-height: 1.6;
    font-size: 0.92rem;
}

.footer-address {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.footer-address p {
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.5;
    font-size: 0.88rem;
}

.footer-column h3 {
    font-size: 0.82rem;
    margin-bottom: 14px;
    letter-spacing: 0.7px;
    text-transform: uppercase;
}

.footer-link-list,
.footer-contact-list {
    display: flex;
    flex-direction: column;
    gap: 9px;
}

.footer-link-list a,
.footer-contact-list a,
.footer-contact-list p {
    color: rgba(255, 255, 255, 0.76);
    text-decoration: none;
    transition: var(--transition);
    line-height: 1.4;
    margin: 0;
    font-size: 0.88rem;
}

.footer-link-list a:hover,
.footer-contact-list a:hover {
    color: var(--text-light);
    transform: translateX(4px);
}

.footer-social {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 12px;
}

.footer-social a {
    width: auto;
    height: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 0;
    color: var(--text-light);
    background: transparent;
    border: 0;
    text-decoration: none;
    transition: var(--transition);
    opacity: 0.92;
}

.footer-social a:hover {
    transform: translateY(-2px);
    color: var(--text-light);
    opacity: 1;
}

.footer-social .icon {
    font-size: 1.1rem;
}

.footer-social-copy {
    margin: 0;
    color: rgba(255, 255, 255, 0.78);
    line-height: 1.5;
    font-size: 0.88rem;
}

.footer-stamp {
    width: 64px;
    height: 64px;
    margin-top: 18px;
    margin-left: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    background: rgba(255, 255, 255, 0.96);
    color: var(--secondary-color);
    border-radius: 6px;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.14);
}

.footer-stamp img {
    width: 30px;
    height: 30px;
    object-fit: contain;
}

.footer-stamp span {
    font-size: 0.55rem;
    font-weight: 700;
    letter-spacing: 0.7px;
    text-transform: uppercase;
}

.footer-admin-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.82rem;
    transition: var(--transition);
}

.footer-admin-link:hover {
    color: rgba(255, 255, 255, 0.95);
}

.footer-bottom-index {
    margin-top: 24px;
    padding-top: 16px;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.62);
    gap: 18px;
    font-size: 0.82rem;
}

.footer-bottom-index p {
    margin: 0;
}

.footer-map-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    text-align: left;
}

.footer-map-frame {
    width: 100%;
    height: 250px;
    max-width: 300px;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.map-lazy iframe {
    display: none;
    width: 100%;
    height: 100%;
}

.map-lazy.is-loaded iframe {
    display: block;
}

.map-placeholder {
    width: 100%;
    height: 100%;
    border: 0;
    padding: 24px;
    background:
        linear-gradient(135deg, rgba(0, 52, 89, 0.92), rgba(29, 78, 137, 0.88)),
        radial-gradient(circle at top right, rgba(255, 255, 255, 0.18), transparent 45%);
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
    gap: 10px;
    text-align: left;
    cursor: pointer;
}

.map-placeholder-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.72rem;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    background: rgba(255, 255, 255, 0.08);
}

.map-placeholder-title {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.map-placeholder-text {
    max-width: 240px;
    font-size: 0.88rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.82);
}

.map-placeholder:hover {
    background:
        linear-gradient(135deg, rgba(0, 52, 89, 0.97), rgba(29, 78, 137, 0.92)),
        radial-gradient(circle at top right, rgba(255, 255, 255, 0.22), transparent 45%);
}

@media (max-width: 768px) {
    .footer-map-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-map-frame {
        height: 150px;
        order: -1;
        max-width: 100%;
    }
}

/* =========================================================
   SPECIALTY SECTIONS (other pages keep working)
   ========================================================= */
.section { padding: 120px 0; content-visibility: auto; contain-intrinsic-size: 1px 800px; }
.bg-light { background-color: var(--bg-alt); }
/* Feature grid */
.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}
.news-feature {
    margin-bottom: 80px;
}
.feature-grid.reverse { direction: rtl; }
.feature-grid.reverse .feature-text { direction: ltr; text-align: left; }
.feature-text h2 {
    font-size: 2.5rem;
    margin-bottom: 25px;
    color: var(--secondary-color);
    letter-spacing: -1px;
}
.feature-text p { font-size: 1rem; color: var(--text-secondary); margin-bottom: 35px; }
.news-date {
    margin-bottom: 18px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: capitalize;
}
.feature-image .img-frame {
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
    aspect-ratio: 4 / 3;
    background: var(--bg-alt);
}
.feature-image img { width: 100%; height: 100%; display: block; transition: var(--transition); object-fit: cover; }
.feature-image:hover img { transform: scale(1.04); }
.news-skeleton-block {
    display: block;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(224, 228, 235, 0.9), rgba(244, 246, 248, 1), rgba(224, 228, 235, 0.9));
    background-size: 200% 100%;
    animation: newsSkeletonPulse 1.5s ease-in-out infinite;
}
.news-skeleton-chip {
    width: 110px;
    height: 22px;
    border-radius: 999px;
    margin-bottom: 4px;
}
.news-skeleton-title {
    width: 80%;
    height: 26px;
    border-radius: 10px;
}
.news-skeleton-line {
    width: 100%;
    height: 14px;
    border-radius: 8px;
}
.news-skeleton-line.short { width: 65%; }
@keyframes newsSkeletonPulse {
    from { background-position: 200% 0; }
    to { background-position: -200% 0; }
}
/* Study plan */
.plan-estudios {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 50px;
    align-items: stretch;
}

.año-card {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 0;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

.año-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--primary-color));
    opacity: 0.85;
}

.año-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.año-card-head {
    padding: 28px 28px 20px;
    background: linear-gradient(180deg, rgba(0,52,89,0.04), transparent);
}

.año-number {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--secondary-color);
    color: var(--text-light);
    padding: 6px 14px;
    font-size: 0.72rem;
    font-weight: 700;
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    border-radius: 999px;
}

.año-card h3 {
    color: var(--secondary-color);
    font-size: 1.45rem;
    margin: 0;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.año-card .descripcion {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
    margin: 12px 0 0;
}

.año-card-body {
    padding: 8px 28px 28px;
    display: flex;
    flex-direction: column;
    gap: 22px;
    flex: 1;
}

.grupo {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.grupo-titulo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.4px;
    color: var(--secondary-color);
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border-color);
}

.grupo-titulo i {
    color: var(--primary-color);
    font-size: 0.85rem;
}

.grupo-titulo .count {
    margin-left: auto;
    font-size: 0.7rem;
    background: var(--bg-alt);
    color: var(--text-secondary);
    padding: 3px 10px;
    border-radius: 999px;
    letter-spacing: 0.5px;
}

.materias-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.materias-list li {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 13px;
    background: var(--bg-alt);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    font-size: 0.84rem;
    font-weight: 500;
    color: var(--text-color);
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    cursor: default;
}

.materias-list li i {
    color: var(--primary-color);
    font-size: 0.78rem;
}

.materias-list li:hover {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    color: var(--text-light);
    transform: translateY(-2px);
}

.materias-list li:hover i {
    color: var(--text-light);
}

.materias-list .materia-resumen { display: none; }

/* Carousel */
.carousel-container {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    box-shadow: var(--shadow);
    background: #f0f0f0;
}
.news-card-media .carousel-container {
    aspect-ratio: auto;
    height: 100%;
    box-shadow: none;
}
.carousel-slide { display: none; width: 100%; height: 100%; }
.carousel-slide.active { display: block; animation: fadeEffect 0.5s ease; }
@keyframes fadeEffect { from { opacity: 0.4; } to { opacity: 1; } }
.carousel-slide img { width: 100%; height: 100%; display: block; object-fit: cover; }
.carousel-counter {
    position: absolute;
    top: 15px; right: 15px;
    background: rgba(0,0,0,0.55);
    color: white;
    padding: 4px 12px;
    font-size: 0.78rem;
    font-weight: 600;
    backdrop-filter: blur(5px);
    z-index: 2;
}
.carousel-nav {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 2;
}
.carousel-btn {
    background: rgba(255,255,255,0.85);
    border: none;
    width: 34px; height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--secondary-color);
}
.carousel-btn:hover { background: var(--primary-color); color: white; }

.section-header h1,
.section-header h2 {
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    color: var(--secondary-color);
    letter-spacing: -1px;
    margin-bottom: 12px;
    position: relative;
}
.section-header h1::after,
.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--primary-color);
}
.section-header.centered { text-align: center; }
.section-header.centered h1::after, .section-header.centered h2::after { left: 50%; transform: translateX(-50%); }
.section-header.centered p { margin: 0 auto; }
.section-header p { font-size: 1rem; color: var(--text-secondary); max-width: 680px; line-height: 1.7; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

.directors-section { margin-top: 80px; padding-top: 60px; border-top: 1px solid var(--border-color); }
.directors-section h3 { text-align: center; font-size: 2rem; color: var(--secondary-color); margin-bottom: 40px; letter-spacing: -0.5px; }
.directors-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 16px; }
.director-card {
    background: var(--bg-color);
    padding: 24px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
    contain: layout style;
}
.director-card:hover { transform: translateY(-5px); border-color: var(--primary-color); box-shadow: var(--shadow-lg); }
.director-card p { font-size: 1rem; color: var(--secondary-color); font-weight: 600; margin-bottom: 6px; }
.director-card span { font-size: 0.88rem; color: var(--text-secondary); font-weight: 500; }
.director-photo {
    width: 120px;
    height: 120px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: var(--bg-alt);
    border: 2px dashed var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    position: relative;
    transition: var(--transition);
}
.director-photo span {
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0 8px;
    line-height: 1.3;
}
.director-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 25%;
    display: block;
}
.director-card:hover .director-photo { border-color: var(--primary-color); }
/* Social profile */
.social-profile-grid { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.social-profile-item {
    display: flex; align-items: center; gap: 14px;
    text-decoration: none;
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    padding: 10px 24px;
    background: var(--bg-alt);
    border: 1px solid var(--border-color);
    width: fit-content;
}
.social-profile-item i,
.social-profile-item .icon { font-size: 1.6rem; color: var(--primary-color); }
.social-profile-item:hover { background: var(--secondary-color); color: var(--text-light); transform: translateY(-3px); box-shadow: var(--shadow); }
.social-profile-item:hover i,
.social-profile-item:hover .icon { color: var(--primary-color); }

/* Admin btn */
.btn-admin-temp {
    background: transparent;
    color: rgba(255,255,255,0.25);
    border: 1px solid rgba(255,255,255,0.12);
    padding: 4px 14px;
    font-size: 0.72rem;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.btn-admin-temp:hover { color: var(--text-light); border-color: var(--primary-color); }

/* Form */
.forms-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    margin-top: 50px;
    align-items: stretch;
}

.form-card {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    position: relative;
}

.form-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--primary-color));
    opacity: 0.85;
}

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

.form-card-head {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 28px 20px;
    background: linear-gradient(180deg, rgba(0, 52, 89, 0.04), transparent);
    border-bottom: 1px solid var(--border-color);
}

.form-icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    box-shadow: 0 6px 18px rgba(0, 52, 89, 0.18);
}

.form-card-head h3 {
    color: var(--secondary-color);
    font-size: 1.2rem;
    margin: 0 0 4px;
    font-weight: 700;
    letter-spacing: -0.2px;
}

.form-card-head p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.45;
}

.form-card-body {
    padding: 24px 28px 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex: 1;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.2px;
}

.form-group label span { color: var(--primary-color); }

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text-color);
    background: var(--bg-color);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #a0a0a0;
}

.form-group input:hover,
.form-group textarea:hover {
    border-color: #c8c8c8;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 168, 232, 0.14);
    background: var(--bg-color);
}

.form-submit {
    width: 100%;
    margin-top: 8px;
    justify-content: center;
}

/* =========================================================
   PERFORMANCE & ACCESSIBILITY
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

.timeline-item, .director-card, .año-card, .feature-image {
    transform: translateZ(0);
    backface-visibility: hidden;
}

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

img[loading="lazy"] { opacity: 0; transition: opacity 0.3s ease; }
img[loading="lazy"].loaded, img[loading="lazy"][src] { opacity: 1; }

.fas, .fab, .far, .icon { display: inline-flex; width: 1em; text-align: center; }


/* =========================================================
   RESPONSIVE (compartido)
   ========================================================= */
@media (max-width: 1200px) {
    .navbar .container {
        padding: 0 18px 0 20px;
        gap: 12px;
    }

    .menu-btn {
        display: inline-flex !important;
        align-items: center;
        justify-content: center;
        width: 54px;
        height: 54px;
        margin-left: auto;
        padding: 0.55rem;
        font-size: 2.4rem;
    }
    .menu-btn .icon-menu-open,
    .menu-btn .icon-menu-close {
        width: 1.6rem;
        height: 1.6rem;
    }
    .feature-grid { grid-template-columns: 1fr; gap: 50px; text-align: center; }
    .feature-grid.reverse { direction: ltr; }
    .feature-text h2::after { left: 50%; transform: translateX(-50%); }
    .feature-grid.reverse .feature-text { text-align: center; }
    .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 992px) {
    .section-header h1, .section-header h2 { font-size: 2.2rem; }
    .feature-text h2 { font-size: 2rem; }
}

@media (max-width: 768px) {
    .container { padding: 0 20px; }

    /* Fix: la navbar fija (~85px) tapaba los títulos en móvil.
       Aumentamos el padding-top de las secciones para que el contenido
       tenga espacio debajo de la barra, y agregamos scroll-margin-top
       por si se ancla a un título. */
    .section { padding: 120px 0 70px !important; }
    main.section { padding-top: 120px !important; }
    .feature-grid { margin-top: 20px; }

    .section,
    main.section,
    .section-header,
    .section-header.centered,
    .feature-text h2 {
        scroll-margin-top: 90px;
    }

    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand,
    .footer-column { padding: 22px; }
    .footer-bottom-index { flex-direction: column; align-items: flex-start; }
    .footer-map-container { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .feature-grid { grid-template-columns: 1fr; gap: 40px; text-align: center; }
    .feature-grid.reverse { direction: ltr; }
    .plan-estudios { grid-template-columns: 1fr; }
    .año-card-head, .año-card-body { padding-left: 22px; padding-right: 22px; }
    .forms-grid { grid-template-columns: 1fr; }
    .form-card-head, .form-card-body { padding-left: 22px; padding-right: 22px; }
    .form-card-head { gap: 14px; }
    .form-icon { width: 46px; height: 46px; font-size: 1.25rem; }
    .feature-text h2::after { left: 50%; transform: translateX(-50%); }
    .directors-grid { grid-template-columns: 1fr; }
    .section { padding: 70px 0; }
    .btn { padding: 12px 28px; font-size: 0.78rem; }
}

@media (max-width: 480px) {
    footer { padding: 50px 0 28px; }
}

/* =========================================================
   UTILIDADES COMPARTIDAS
   ========================================================= */

/* Separa un bloque del anterior (usado en varias páginas) */
.section-offset { margin-top: 100px; }