/* ==========================================================================
   Instituto Francisco de Paula Robles - Estilos Globales
   Archivos vinculados: index.html, interfaces y páginas generales
   ========================================================================== */


/* 1. Variables Globales y Paleta de Colores */
:root {
    /* Nueva Paleta Bordó (#821C20 Base) */
    --bordo-950: #3b090b;
    --bordo-900: #540f12;
    --bordo-800: #671417;
    --bordo-700: #821C20; /* Color principal institucional */
    --bordo-500: #821C20;
    --bordo-50:  #fdf2f4;

    --oro-700:   #84570d;
    --oro-600:   #a87515;
    --oro-500:   #c69225;
    --oro-400:   #dfb75c;
    --oro-200:   #faecc4;
    --oro-100:   #fdf7e7;

    --gris-900:  #0f172a;
    --gris-800:  #1e293b;
    --gris-700:  #334155;
    --gris-600:  #475569;
    --gris-300:  #cbd5e1;
    --gris-200:  #e2e8f0;
    --gris-100:  #f1f5f9;
    --gris-50:   #f8fafc;

    --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
}


/* 2. Reset Básico (Principalmente para el Index) */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}


html {
    scroll-behavior: smooth;
}


body {
    font-family: var(--font-sans);
    color: var(--gris-800);
    background-color: var(--gris-100);
    line-height: 1.6;
}


a {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}


ul {
    list-style: none;
}


.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}


/* ==========================================================================
   ESTILOS ESPECÍFICOS PARA: INTERFACES Y PÁGINAS GENERALES
   ========================================================================== */


.gold-gradient-text {
    background: linear-gradient(135deg, #fcebc2 0%, #dfb75c 50%, #a87515 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}


.bordo-gradient-bg {
    background: linear-gradient(135deg, var(--bordo-900) 0%, #821C20 50%, var(--bordo-800) 100%);
}


.card-gold-border {
    border: 1px solid rgba(198, 146, 37, 0.25);
    transition: all 0.3s ease;
}


.card-gold-border:hover {
    border-color: rgba(198, 146, 37, 0.6);
    transform: translateY(-4px);
    box-shadow: 0 12px 24px -10px rgba(130, 28, 32, 0.2);
}


/* Barra de desplazamiento */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--gris-100); }
::-webkit-scrollbar-thumb { background: #821C20; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--bordo-800); }




/* ==========================================================================
   ESTILOS ESPECÍFICOS PARA: index.html (Sin Tailwind)
   ========================================================================== */


header {
    background-color: #821C20;
    border-bottom: 1px solid var(--oro-500);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.nav-links a { color: var(--oro-200); }
.nav-links a:hover, .nav-links a.active { color: #ffffff; }


.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 24px;
    max-width: 100%;
}


.logo-image {
    height: 48px;
    width: auto;
    object-fit: contain;
    position: relative;
    top: 3px;
}




.menu-toggle, .burger-icon { display: none; }


.nav-links {
    display: flex;
    align-items: center;
    gap: 1.75rem;
    font-size: 0.925rem;
    font-weight: 600;
}


.nav-links a { color: var(--gris-700); }
.nav-links a:hover, .nav-links a.active { color: #821C20; }


/* Dropdown */
.dropdown { position: relative; }
.dropdown-toggle { display: inline-flex; align-items: center; gap: 4px; }
.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background-color: #ffffff;
    border: 1px solid var(--gris-200);
    border-radius: 0.5rem;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
    padding: 0.5rem 0;
    z-index: 110;
}


.dropdown-menu li a {
    display: block;
    padding: 0.6rem 1.2rem;
    font-size: 0.875rem;
    font-weight: 500;
}


.dropdown-menu li a:hover {
    background-color: var(--bordo-50);
    color: var(--bordo-900);
}


.dropdown:hover .dropdown-menu { display: block; }


.btn-nav {
    background-color: #821C20 !important;
    color: var(--oro-200) !important;
    padding: 0.55rem 1.25rem;
    border-radius: 0.5rem;
    border: 1px solid rgba(198, 146, 37, 0.4);
}


.btn-nav:hover { background-color: var(--bordo-800) !important; color: #ffffff !important; }


/* Hero Section (Index) */
.hero {
    background: linear-gradient(135deg, #821C20 0%, var(--bordo-800) 50%, var(--bordo-900) 100%);
    color: #ffffff;
    padding: 3.5rem 0;
    text-align: center;
    border-bottom: 4px solid var(--oro-500);
}

.hero-badge {
    display: inline-block;
    padding: 0.35rem 1rem;
    background-color: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(223, 183, 92, 0.4);
    border-radius: 9999px;
    color: var(--oro-200);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 1.2rem;
}


.hero h1 { font-size: 2.75rem; font-weight: 800; margin-bottom: 1.2rem; line-height: 1.2; }
.hero p { font-size: 1.15rem; max-width: 720px; margin: 0 auto 2.2rem auto; color: var(--gris-200); }


.hero-buttons { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }


.btn-primary {
    background-color: var(--oro-500);
    color: var(--bordo-950);
    font-weight: 700;
    padding: 0.75rem 1.75rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}


.btn-primary:hover { background-color: var(--oro-600); color: #ffffff; }


.btn-secondary {
    background-color: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    font-weight: 600;
    padding: 0.75rem 1.75rem;
    border-radius: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.25);
}


.btn-secondary:hover { background-color: rgba(255, 255, 255, 0.2); }


/* Secciones Generales */
.about-summary, .carreras-section, .info-highlight, .map-section { padding: 4.5rem 0; }
.about-summary { background-color: #ffffff; text-align: center; }


.section-title { font-size: 2rem; font-weight: 800; text-align: center; color: var(--bordo-950); margin-bottom: 0.75rem; }
.section-title.text-light { color: #ffffff; }


.section-divider { width: 60px; height: 4px; background-color: var(--oro-500); margin: 0 auto 2rem auto; border-radius: 2px; }
.divider-light { background-color: var(--oro-400); }


.gold-text {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    font-style: italic;
    color: var(--oro-700);
    font-weight: 500;
    line-height: 1.8;
}


/* Grilla de Carreras (Index) */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 1rem;
}


.card {
    background-color: #ffffff;
    border: 1px solid var(--gris-200);
    border-radius: 1rem;
    padding: 2rem;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    display: flex;
    flex-direction: column;
}


.card:hover { transform: translateY(-5px); border-color: var(--oro-500); box-shadow: 0 12px 20px -5px rgba(130, 28, 32, 0.15); }
.card-meta { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; color: var(--oro-600); margin-bottom: 0.5rem; }
.card h3 { font-size: 1.35rem; font-weight: 700; color: var(--bordo-900); margin-bottom: 0.75rem; }
.card p { font-size: 0.925rem; color: var(--gris-600); margin-bottom: 1.5rem; flex-grow: 1; }
.card-link { font-size: 0.9rem; font-weight: 700; color: #821C20; display: inline-flex; align-items: center; gap: 0.35rem; }
.card-link:hover { color: var(--oro-600); }



/* Banner Preinscripciones */
.info-highlight { 
    background: linear-gradient(135deg, #821C20 0%, var(--bordo-800) 100%); 
    text-align: center; 
    color: #ffffff; 
}
.info-highlight p { max-width: 650px; margin: 0 auto 2rem auto; color: var(--gris-200); font-size: 1.05rem; }


/* Mapa */
.map-section { background-color: #ffffff; }
.map-wrapper { border-radius: 1rem; overflow: hidden; border: 1px solid var(--gris-200); }


/* Footer del Index */
footer {
    background-color: var(--gris-900);
    color: var(--gris-300);
    padding: 3rem 0;
    border-top: 3px solid var(--oro-500);
    font-size: 0.875rem;
    margin-top: auto;
}


.footer-container { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 1.75rem; }
.social-media-box { display: flex; gap: 1.25rem; }
.social-icon { width: 40px; height: 40px; background-color: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.15); border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: all 0.25s ease; }
.social-icon svg { width: 18px; height: 18px; fill: var(--oro-400); transition: fill 0.25s ease; }
.social-icon:hover { background-color: var(--oro-500); transform: translateY(-3px); }
.social-icon:hover svg { fill: var(--bordo-950); }
.footer-text p { margin-bottom: 0.5rem; }
.footer-info { color: var(--gris-600); font-size: 0.825rem; }
.footer-info a { color: var(--oro-400); }


/* Responsive del Nav (Móvil) */
@media (max-width: 900px) {
    .burger-icon { display: block; font-size: 1.8rem; cursor: pointer; color: var(--bordo-900); }
    .nav-links { display: none; flex-direction: column; width: 100%; position: absolute; top: 75px; left: 0; background-color: #ffffff; padding: 1.5rem; box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1); gap: 1rem; }
    .menu-toggle:checked ~ .nav-links { display: flex; }
    .dropdown { width: 100%; text-align: center; }
    .dropdown-menu { position: static; box-shadow: none; border: none; background-color: var(--gris-50); margin-top: 0.5rem; }
    .hero h1 { font-size: 2rem; }
}