/*==================================================
    COMPONENTES REUTILIZABLES
    Navbar · Menú móvil · Footer · Botones ·
    Tarjetas · Badges · Barra de progreso
==================================================*/

/*----- Barra de progreso de lectura -----*/

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    z-index: 1200;
}

.scroll-progress-bar {
    width: 0;
    height: 100%;
    background: var(--color-accent-gradient);
    transition: width .15s linear;
}

/*----- Navbar -----*/

.site-header {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: .8rem 3rem;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, .3);
    transition: .35s ease;
    z-index: 999;
}

.site-header.is-fixed {
    position: fixed;
    top: 0;
    left: 0;
    background: rgba(255, 255, 255, .96);
    box-shadow: var(--shadow-sm);
    animation: slideDown .35s ease;
}

@keyframes slideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    transition: .35s;
}

.logo:hover {
    transform: translateY(-2px);
}

.logo img {
    width: 60px;
    border-radius: 50%;
    transition: .4s;
}

.logo:hover img {
    transform: scale(1.08) rotate(-4deg);
    box-shadow: var(--shadow-md);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-text strong {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    color: var(--color-primary);
}

.logo-text span {
    font-size: .82rem;
    color: var(--color-text-muted);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links a {
    position: relative;
    padding: .8rem 1rem;
    color: #555;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: .35s;
}

.nav-links a:hover {
    color: var(--color-accent);
    background: #eafbf1;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 6px;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    border-radius: var(--radius-full);
    background: var(--color-accent);
    transition: .35s;
}

.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after {
    width: 60%;
}

.nav-links a[aria-current="page"]:not(.btn-contact) {
    color: var(--color-accent);
    background: #eafbf1;
}

.nav-links .btn-contact {
    margin-left: 10px;
}

.nav-links .btn-contact::after {
    display: none;
}

/*----- Submenús de navegación -----*/

.nav-item-dropdown {
    position: relative;
    display: flex;
    align-items: center;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    margin-left: -6px;
    border: 0;
    background: transparent;
    color: #999;
    font-size: 11px;
    border-radius: 50%;
    transition: .25s;
}

.dropdown-toggle:hover {
    color: var(--color-accent);
    background: #eafbf1;
}

.dropdown-toggle i {
    transition: transform .25s;
}

.nav-item-dropdown.is-open .dropdown-toggle,
.nav-item-dropdown:focus-within .dropdown-toggle {
    color: var(--color-accent);
}

.nav-item-dropdown.is-open .dropdown-toggle i {
    transform: rotate(180deg);
}

.dropdown-toggle--contact {
    color: rgba(255, 255, 255, .85);
}

.dropdown-toggle--contact:hover {
    background: rgba(255, 255, 255, .25);
    color: #fff;
}

.nav-dropdown-panel {
    position: absolute;
    /* Pegado al disparador (sin espacio): el estado abierto/cerrado ya lo
       controla JS con un pequeño retraso, así que aquí basta con que no
       quede una franja muerta entre el enlace y el panel. */
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(6px);
    min-width: 260px;
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 10px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease, visibility .2s;
    z-index: 1000;
}

.nav-item-dropdown:hover .nav-dropdown-panel,
.nav-item-dropdown:focus-within .nav-dropdown-panel,
.nav-item-dropdown.is-open .nav-dropdown-panel {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown-panel a {
    display: block;
    padding: 11px 16px;
    border-radius: 10px;
    color: var(--color-text);
    font-weight: 500;
    font-size: .9rem;
    white-space: nowrap;
}

.nav-dropdown-panel a:hover,
.nav-dropdown-panel a:focus-visible {
    background: var(--color-surface);
    color: var(--color-accent);
}

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border: 2px solid #ddd;
    border-radius: 14px;
    background: #fff;
    color: #555;
    font-size: 20px;
    transition: .3s;
}

.nav-toggle:hover {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

.nav-toggle[aria-expanded="true"] {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

/*----- Menú móvil -----*/

.mobile-menu {
    width: 360px;
    max-width: 100%;
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    background: rgba(19, 28, 40, .97);
    backdrop-filter: blur(18px);
    padding: 2rem;
    transition: right .45s ease;
    z-index: 9999;
    overflow-y: auto;
}

.mobile-menu.is-open {
    right: 0;
}

.mobile-menu-header {
    text-align: center;
    margin-bottom: 2rem;
}

.mobile-menu-header img {
    width: 80px;
    margin: 0 auto 12px;
    border-radius: 50%;
}

.mobile-menu-header h2 {
    color: #fff;
    font-size: 1.15rem;
    margin-bottom: 4px;
}

.mobile-menu-header p {
    color: #b9c0c8;
    margin: 0;
}

.mobile-menu-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, .2);
    background: transparent;
    font-size: 1.1rem;
    transition: .3s;
}

.mobile-menu-close:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.mobile-menu ul {
    margin-top: 1rem;
}

.mobile-menu li {
    margin-bottom: 10px;
}

.mobile-menu li > a,
.mobile-menu-dropdown > button {
    display: flex;
    align-items: center;
    gap: 15px;
    width: 100%;
    padding: 14px 18px;
    border-radius: 14px;
    color: #ddd;
    background: transparent;
    border: 0;
    text-align: left;
    font-size: 1rem;
    transition: .3s;
}

.mobile-menu li > a:hover,
.mobile-menu-dropdown > button:hover {
    background: rgba(255, 255, 255, .08);
    color: #fff;
    padding-left: 24px;
}

.mobile-menu a[aria-current="page"] {
    background: rgba(238, 69, 0, .25);
    color: #fff;
}

.mobile-menu li > a i,
.mobile-menu-dropdown > button i:first-child {
    width: 22px;
    text-align: center;
}

.mobile-menu-dropdown > button {
    justify-content: space-between;
}

.mobile-menu-dropdown .chevron {
    transition: transform .3s;
}

.mobile-menu-dropdown[data-open="true"] .chevron {
    transform: rotate(180deg);
}

.mobile-menu-dropdown-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
    padding-left: 18px;
}

.mobile-menu-dropdown[data-open="true"] .mobile-menu-dropdown-panel {
    max-height: 260px;
}

.mobile-menu-dropdown-panel a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 18px;
    color: #b9c0c8;
    border-radius: 12px;
}

.mobile-menu-dropdown-panel a:hover {
    color: #fff;
    background: rgba(255, 255, 255, .06);
}

.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .45);
    backdrop-filter: blur(3px);
    opacity: 0;
    visibility: hidden;
    z-index: 9998;
    transition: opacity .35s, visibility .35s;
}

.nav-overlay.is-visible {
    opacity: 1;
    visibility: visible;
}

@media (max-width: 1180px) {
    .site-header {
        padding: 1rem 1.25rem;
    }

    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .logo img {
        width: 48px;
    }

    .logo-text strong {
        font-size: 1rem;
    }

    .logo-text span {
        font-size: .75rem;
    }
}

/*----- Botones -----*/

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .95rem 1.8rem;
    border-radius: var(--radius-full);
    border: 0;
    font-weight: 600;
    font-size: .95rem;
    text-align: center;
    transition: .35s;
    background: var(--color-surface);
    color: var(--color-primary);
}

.btn-primary {
    background: var(--color-accent-gradient);
    color: #fff;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: #fff;
    color: var(--color-primary);
    border: 2px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-3px);
}

.btn-light {
    background: #fff;
    color: var(--color-accent);
}

.btn-light:hover {
    transform: scale(1.03);
}

.btn-contact {
    background: var(--color-accent-gradient);
    color: #fff !important;
    white-space: nowrap;
}

.btn-contact:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(238, 69, 0, .35);
}

.btn:disabled {
    cursor: not-allowed;
    opacity: .7;
    transform: none;
}

/*----- Tarjetas genéricas -----*/

.card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: .35s;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

/*----- Badges / categorías -----*/

.badge {
    display: inline-block;
    padding: 7px 18px;
    border-radius: var(--radius-full);
    color: #fff;
    font-size: .75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.badge--white {
    background: #fff;
    color: var(--color-accent);
    text-transform: none;
    letter-spacing: normal;
    font-weight: 600;
}

/* Paleta de categorías limitada a azul/verde; el rojo se reserva como
   señal funcional de "importante/urgente", no como color de marca. */
.badge--academic { background: #1565c0; }
.badge--cultural { background: #0f766e; }
.badge--sports { background: #2e7d32; }
.badge--institutional { background: #0d4a8f; }
.badge--important { background: #c0392b; }
.badge--secondary { background: var(--color-secondary); }

/*----- Acentos institucionales (franja azul/verde/blanco) -----*/

.identity-stripe {
    height: 6px;
    background: linear-gradient(90deg, var(--color-primary) 0 34%, var(--color-secondary) 34% 67%, var(--color-accent) 67% 100%);
}

/*----- Formularios (base compartida) -----*/

.form-field {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--space-2);
}

.form-field label {
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.form-field .field-error {
    margin-top: 6px;
    font-size: .85rem;
    color: var(--color-danger);
    display: none;
}

.form-field.has-error input,
.form-field.has-error textarea {
    border-color: var(--color-danger) !important;
}

.form-field.has-error .field-error {
    display: block;
}

.form-status {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    font-size: .9rem;
    font-weight: 600;
}

.form-status.success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid rgba(58, 176, 104, .3);
}

.form-status.error {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    border: 1px solid rgba(238, 69, 0, .3);
}

.btn-spinner {
    width: 18px;
    height: 18px;
    border: 3px solid rgba(255, 255, 255, .4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin .7s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/*----- Placeholder de foto (avatar/rector sin imagen real) -----*/

.photo-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-gradient);
    color: rgba(255, 255, 255, .85);
    font-size: 4rem;
}

/*----- Footer institucional -----*/

.site-footer {
    background: var(--color-surface-dark);
    color: #d9e3ec;
    margin-top: var(--space-8);
}

.footer-top {
    width: var(--content-width);
    margin: -90px auto var(--space-6);
    background: linear-gradient(135deg, #17406d, #0d2b4d);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: 50px;
    padding: 45px;
    box-shadow: var(--shadow-lg);
}

.footer-top figure {
    flex-shrink: 0;
    width: 180px;
    text-align: center;
}

.footer-top figure img {
    width: 150px;
    margin: 0 auto;
}

.footer-top h2 {
    color: #fff;
    margin-bottom: 12px;
}

.footer-top p {
    color: rgba(255, 255, 255, .88);
    margin: 0;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    margin-top: 24px;
}

.footer-links a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, .08);
    border-radius: 12px;
    color: #fff;
    font-size: .9rem;
    transition: .3s;
}

.footer-links a:hover {
    background: var(--color-accent);
    transform: translateY(-3px);
}

.footer-body {
    width: var(--content-width);
    margin: auto;
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 40px;
}

.footer-body .logo strong {
    color: #fff;
    display: block;
}

.footer-body .logo-text span {
    color: #b9c0c8;
}

.footer-body h3 {
    color: #fff;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-body a,
.footer-body p {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #d9e3ec;
    margin: 12px 0;
    transition: .3s;
}

.footer-body a:hover {
    color: #fff;
    padding-left: 4px;
}

.footer-body i {
    color: #5fd196;
    width: 18px;
}

.footer-bottom {
    width: var(--content-width);
    margin: auto;
    padding: 22px 0;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, .12);
}

.footer-bottom p {
    margin: 0;
    color: #d9e3ec;
}

.footer-legal {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

.footer-legal a {
    color: #b9c0c8;
}

.footer-legal a:hover {
    color: #fff;
}

.footer-social {
    display: flex;
    gap: 8px;
}

.footer-social a {
    width: 42px;
    height: 42px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    background: #163a63;
    color: #fff;
    transition: .35s;
}

.footer-social a:hover {
    background: var(--color-accent);
    transform: translateY(-4px);
}

@media (max-width: 960px) {
    .footer-top {
        margin: 0;
        width: 100%;
        border-radius: 0;
        flex-direction: column;
        text-align: center;
        padding: 32px 20px;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .footer-body {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 32px 20px;
    }

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