/* ============================================
   ESTILOS - CAPACITACIÓN TECNOLÓGICA 2026
   Portal UNAH Style
   ============================================ */

:root {
    --azul-principal: #003366;
    --azul-oscuro: #002244;
    --azul-claro: #E8F0FE;
    --azul-hover: #1A4A7A;
    --dorado: #C9A84C;
    --dorado-oscuro: #A88A3A;
    --verde-unah: #2E8B57;
    --texto: #1A1A2E;
    --texto-medio: #4A4A6A;
    --gris-1: #6B6B8A;
    --gris-2: #9A9AB0;
    --gris-3: #D4D4E0;
    --gris-bg: #F5F7FA;
    --blanco: #FFFFFF;
    --verde-ok: #10B981;
    --header-height: 72px;
    --footer-height: 56px;
}

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

body {
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--gris-bg);
    color: var(--texto);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============================================
   CONTAINER
   ============================================ */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   HEADER - ESTILO UNAH
   ============================================ */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 32px;
    height: var(--header-height);
    background: var(--azul-principal);
    border-bottom: 3px solid var(--dorado);
    flex-shrink: 0;
}

.logo-header {
    height: 50px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 13px;
}

.nav-link {
    color: var(--blanco);
    text-decoration: none;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 4px;
    transition: background 0.2s;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.15);
}

.help-link {
    color: var(--dorado);
    text-decoration: none;
    font-weight: 600;
}

.help-link:hover {
    text-decoration: underline;
}

/* ============================================
   HERO - ESTILO UNAH
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--azul-principal) 0%, var(--azul-oscuro) 100%);
    padding: 50px 0 40px;
    text-align: center;
    color: var(--blanco);
    border-bottom: 4px solid var(--dorado);
    border-radius: 0;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.hero h1 span {
    color: var(--dorado);
}

.hero p {
    font-size: 1.05rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 24px;
    line-height: 1.6;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.hero-badge {
    background: rgba(255, 255, 255, 0.12);
    padding: 8px 20px;
    border-radius: 40px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-badge i {
    margin-right: 6px;
}

/* ============================================
   BREADCRUMB - ESTILO UNAH
   ============================================ */
.breadcrumb {
    background: var(--azul-claro);
    padding: 12px 0;
    border-bottom: 1px solid var(--gris-3);
}

.breadcrumb .container {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--texto-medio);
}

.breadcrumb a {
    color: var(--azul-principal);
    text-decoration: none;
    font-weight: 600;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb .separator {
    color: var(--gris-2);
}

.breadcrumb .current {
    color: var(--texto);
    font-weight: 600;
}

/* ============================================
   CURSOS SECTION
   ============================================ */
.cursos-section {
    padding: 50px 0 40px;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    color: var(--texto);
    margin-bottom: 8px;
}

.section-title span {
    color: var(--azul-principal);
}

.section-subtitle {
    text-align: center;
    color: var(--gris-1);
    font-size: 1rem;
    margin-bottom: 40px;
}

/* ============================================
   BOTÓN DESCARGA - ESTILO UNAH
   ============================================ */
.download-section {
    text-align: center;
    margin-bottom: 30px;
}

.btn-download {
    display: inline-block;
    background: var(--azul-principal);
    color: var(--blanco);
    padding: 12px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s;
    border: 2px solid var(--azul-principal);
}

.btn-download:hover {
    background: var(--azul-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 51, 102, 0.3);
}

.btn-download i {
    margin-right: 8px;
}

/* ============================================
   CURSO CARDS
   ============================================ */
.cursos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.curso-card {
    background: var(--blanco);
    border-radius: 12px;
    padding: 28px 24px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--gris-3);
    transition: all 0.3s;
    cursor: pointer;
    position: relative;
}

.curso-card:hover {
    transform: translateY(-4px);
    border-color: var(--azul-principal);
    box-shadow: 0 8px 30px rgba(0, 51, 102, 0.12);
}

.curso-card.selected {
    border-color: var(--azul-principal);
    background: var(--azul-claro);
    box-shadow: 0 8px 30px rgba(0, 51, 102, 0.15);
}

.curso-card .icon {
    font-size: 2.8rem;
    margin-bottom: 12px;
    display: block;
}

.curso-card h3 {
    font-size: 1.2rem;
    color: var(--texto);
    margin-bottom: 4px;
}

.curso-card .duracion {
    font-size: 0.8rem;
    color: var(--gris-1);
    margin-bottom: 10px;
}

.curso-card .descripcion {
    font-size: 0.85rem;
    color: var(--texto-medio);
    line-height: 1.6;
    margin-bottom: 12px;
}

.curso-card .pensum {
    font-size: 0.8rem;
    color: var(--gris-1);
    background: var(--gris-bg);
    padding: 12px 14px;
    border-radius: 8px;
    margin-bottom: 12px;
    line-height: 1.8;
}

.curso-card .pensum strong {
    color: var(--texto);
}

.curso-card .pensum ul {
    padding-left: 18px;
    margin-top: 4px;
}

.curso-card .pensum ul li {
    list-style: disc;
    font-size: 0.8rem;
    color: var(--texto-medio);
}

.curso-card .tag {
    display: inline-block;
    background: var(--dorado);
    color: var(--blanco);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 12px;
    border-radius: 40px;
    text-transform: uppercase;
}

.curso-card .tag-cert {
    background: var(--verde-unah);
}

.curso-card .check {
    display: none;
    color: var(--azul-principal);
    font-weight: 700;
    margin-top: 8px;
    font-size: 0.9rem;
}

.curso-card.selected .check {
    display: block;
}

/* ============================================
   FORMULARIO
   ============================================ */
.form-section {
    padding: 50px 0 60px;
    background: var(--azul-claro);
}

.form-container {
    background: var(--blanco);
    border-radius: 16px;
    padding: 48px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    max-width: 700px;
    margin: 0 auto;
    border: 1px solid var(--gris-3);
}

.form-container h2 {
    color: var(--texto);
    font-size: 1.5rem;
    margin-bottom: 4px;
}

.form-container h2 span {
    color: var(--azul-principal);
}

.form-container .sub {
    color: var(--gris-1);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

/* ============================================
   CAMPOS DEL FORMULARIO
   ============================================ */
.field {
    margin-bottom: 18px;
}

.field label {
    display: block;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--texto);
    margin-bottom: 4px;
}

.field label .required {
    color: var(--azul-principal);
}

.input,
.select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gris-3);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s;
    background: #FAFBFC;
}

.input:focus,
.select:focus {
    outline: none;
    border-color: var(--azul-principal);
    box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.12);
}

.input.error,
.select.error {
    border-color: #E1251B;
    background: #FEF2F0;
}

.input.success,
.select.success {
    border-color: var(--verde-ok);
    background: #F0FDF4;
}

.error-msg {
    color: #E1251B;
    font-size: 0.8rem;
    margin-top: 4px;
    display: none;
}

.error-msg.show {
    display: block;
}

/* ============================================
   BOTONES - ESTILO UNAH
   ============================================ */
.btn-primary {
    width: 100%;
    padding: 16px;
    background: var(--azul-principal);
    color: var(--blanco);
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary:hover {
    background: var(--azul-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 51, 102, 0.3);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-primary .spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin: 0 auto;
}

.btn-primary.loading .spinner {
    display: inline-block;
}

.btn-primary.loading .btn-text {
    display: none;
}

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

/* ============================================
   ALERTAS
   ============================================ */
.alert {
    padding: 14px 18px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    border-left: 4px solid transparent;
    display: none;
}

.alert.show {
    display: block;
}

.alert-success {
    background: #D1FAE5;
    color: #065F46;
    border-left-color: var(--verde-ok);
}

.alert-success strong {
    display: block;
    font-size: 1rem;
    margin-bottom: 4px;
}

.alert-error {
    background: #FEF2F0;
    color: #991B1B;
    border-left-color: #E1251B;
}

/* ============================================
   FOOTER - ESTILO UNAH
   ============================================ */
.footer {
    background: var(--azul-oscuro);
    color: var(--gris-2);
    padding: 24px 0;
    text-align: center;
    font-size: 0.85rem;
    border-top: 3px solid var(--dorado);
    margin-top: auto;
}

.footer a {
    color: var(--dorado);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

.footer .footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.footer .footer-links a {
    color: var(--gris-2);
    font-size: 0.8rem;
}

.footer .footer-links a:hover {
    color: var(--dorado);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .cursos-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 900px) {
    .header {
        padding: 0 16px;
        flex-wrap: wrap;
        height: auto;
        gap: 8px;
        padding: 12px 16px;
    }
    .header-right {
        gap: 12px;
        flex-wrap: wrap;
    }
    .hero h1 {
        font-size: 2rem;
    }
    .breadcrumb {
        display: none;
    }
}

@media (max-width: 768px) {
    .form-container {
        padding: 32px 24px;
    }
    .cursos-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .cursos-grid {
        grid-template-columns: 1fr;
    }
    .form-container {
        padding: 28px 20px;
    }
    .hero h1 {
        font-size: 1.6rem;
    }
    .hero-badges {
        gap: 8px;
    }
    .hero-badge {
        font-size: 0.75rem;
        padding: 6px 14px;
    }
    .curso-card {
        padding: 20px 18px;
    }
    .curso-card .icon {
        font-size: 2rem;
    }
    .curso-card h3 {
        font-size: 1rem;
    }
    .footer .footer-links {
        gap: 12px;
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 400px) {
    .container {
        padding: 0 16px;
    }
    .form-container {
        padding: 20px 16px;
    }
    .header {
        padding: 10px 12px;
    }
    .logo-header {
        height: 30px;
    }
}

/* ============================================
   CONTADOR DE TIEMPO
   ============================================ */
.countdown-section {
    background: linear-gradient(135deg, var(--azul-oscuro) 0%, var(--azul-principal) 100%);
    padding: 30px 0;
    border-bottom: 2px solid var(--dorado);
}

.countdown-container {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.countdown-header h3 {
    color: var(--dorado);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.countdown-header h3 i {
    color: var(--dorado);
}

.countdown-header p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    padding: 12px 20px;
    border-radius: 12px;
    min-width: 80px;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.countdown-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--blanco);
    line-height: 1.2;
    font-family: 'Courier New', monospace;
}

.countdown-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 1px;
    margin-top: 2px;
}

.countdown-separator {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dorado);
    padding: 0 4px;
}

.countdown-footer {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.countdown-cupos,
.countdown-plazas {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
}

.countdown-cupos i,
.countdown-plazas i {
    color: var(--dorado);
}

.countdown-cupos strong,
.countdown-plazas strong {
    color: var(--blanco);
}

/* ============================================
   TAG DE CUPOS EN CURSOS
   ============================================ */
.tag-cupos {
    background: #E1251B !important;
    color: var(--blanco) !important;
    font-size: 0.6rem !important;
    padding: 2px 10px !important;
}

.curso-card .tag {
    display: inline-block;
    padding: 2px 12px;
    border-radius: 40px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    margin: 2px 4px 8px;
    text-align: center;
}

/* ============================================
   RESPONSIVE CONTADOR
   ============================================ */
@media (max-width: 600px) {
    .countdown-timer {
        gap: 6px;
    }

    .countdown-item {
        min-width: 60px;
        padding: 8px 12px;
    }

    .countdown-number {
        font-size: 1.8rem;
    }

    .countdown-label {
        font-size: 0.6rem;
    }

    .countdown-separator {
        font-size: 1.4rem;
    }

    .countdown-header h3 {
        font-size: 1.1rem;
    }

    .countdown-footer {
        gap: 16px;
        flex-direction: column;
        align-items: center;
    }

    .countdown-cupos,
    .countdown-plazas {
        font-size: 0.8rem;
    }
}