/* Línea Gráfica Institucional - Universidad Politécnica Salesiana */

:root {
    --color-primary: #003772;
    --color-primary-soft: #07508E;
    --color-accent: #FCC000;

    --color-bg: #F7F9FC;
    --color-surface: #FFFFFF;
    --color-surface-soft: #EEF4FA;

    --color-border: #E3E8EF;
    --color-border-soft: #D6E2F0;

    --color-text: #2E3A46;
    --color-text-soft: #6B7785;

    --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1);

    --radius-lg: 14px;
    --radius-md: 12px;
    --radius-sm: 10px;
    --radius-pill: 20px;
}

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

body {
    font-family: Arial, Helvetica, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    min-height: 100vh;
    padding: 20px;
}

/* Contenedor principal */
.layout-container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Tipografía */
.page-title {
    margin: 0 0 20px 0;
    font-size: 30px;
    font-weight: 700;
    color: var(--color-primary);
}

.section-title {
    margin: 0 0 12px 0;
    font-size: 38px;
    font-weight: 700;
    color: var(--color-primary-soft);
}

.block-title {
    margin: 0 0 8px 0;
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary);
}

/* Header institucional */
.hero {
    background: linear-gradient(135deg, #003772 0%, #07508E 100%);
    color: #FFFFFF;
    padding: 30px 28px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: 30px;
    text-align: center;
}

.hero h1,
.hero h2,
.hero h3 {
    margin: 0;
    color: #FFFFFF;
}

.hero p {
    margin: 8px 0 0 0;
    color: #E8EEF5;
}

.hero img {
    width: 100px;
    height: 100px;
    margin-bottom: 20px;
}

/* Botón de regreso */
.back-btn {
    display: inline-block;
    background: var(--color-surface);
    color: var(--color-primary);
    padding: 12px 25px;
    border-radius: var(--radius-pill);
    text-decoration: none;
    font-weight: bold;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--color-border);
}

.back-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Card institucional */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 20px;
}

.card h3 {
    color: var(--color-primary);
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.card p {
    color: var(--color-text-soft);
    margin-bottom: 15px;
    line-height: 1.6;
}

/* Grid de cards */
.card-grid {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    margin-top: 20px;
}

/* Sección */
.section {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.section h2 {
    color: var(--color-primary);
    font-size: 2rem;
    margin-bottom: 25px;
    padding-bottom: 5px;
    border-bottom: 3px solid var(--color-primary);
}

/* Chips institucionales */
.chip {
    display: inline-block;
    padding: 4px 10px;
    margin: 2px;
    background: var(--color-surface-soft);
    color: var(--color-primary);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-pill);
    font-size: 12px;
    text-decoration: none;
    transition: background 0.3s ease;
}

.chip:hover {
    background: var(--color-border-soft);
}

/* Bloque destacado */
.callout {
    padding: 20px;
    background: var(--color-bg);
    border-left: 5px solid var(--color-accent);
    border-radius: var(--radius-sm);
    margin: 20px 0;
}

.callout h3 {
    color: var(--color-primary);
    margin-bottom: 10px;
}

.callout p {
    color: var(--color-text);
    line-height: 1.6;
}

/* Enlaces */
a {
    color: #0065B0;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Tabla institucional */
.table-wrap {
    overflow-x: auto;
    margin: 20px 0;
}

.table {
    width: 100%;
    min-width: 900px;
    border-collapse: collapse;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.table thead tr {
    background: var(--color-primary);
    color: #FFFFFF;
}

.table th,
.table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
}

.table tbody tr:nth-child(even) {
    background: var(--color-bg);
}

.table tbody tr:nth-child(odd) {
    background: var(--color-surface);
}

/* Listas institucionales */
.list-box {
    padding: 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.list-box ul {
    margin: 0;
    padding-left: 20px;
}

.list-box li {
    margin-bottom: 6px;
}

/* Footer */
footer {
    text-align: center;
    color: var(--color-text-soft);
    margin-top: 40px;
    padding: 20px;
    opacity: 0.9;
}

/* Badges */
.badge {
    display: inline-block;
    background: var(--color-primary-soft);
    color: white;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: 0.8rem;
    margin-left: 10px;
}

.badge.teoria {
    background: #1768af;
}

.badge.practica {
    background: #1768af;
}

/* Enlaces de contenido */
.content-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.content-link {
    display: inline-block;
    padding: 8px 16px;
    margin: 4px;
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-lg);
    border: 1px solid (--color-primary);
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.content-link:hover {
    background: var(--color-primary-soft);
    color: white;
    border-color: var(--color-primary);
}




.content-link.secondary {
    background: var(--color-accent);
    color: var(--color-primary);
}

.content-link.secondary:hover {
    background: #E5AD00;
}

/* Animaciones */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero {
    animation: fadeInDown 0.8s ease;
}

.section {
    animation: fadeInUp 1s ease;
}

/* Responsive */
@media (max-width: 768px) {
    .page-title {
        font-size: 1.8rem;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 20px;
    }
}