/* =====================================================
   ISPM - Instituto Superior Perito Moreno
   Stylesheet Principal
   ===================================================== */

/* Variables CSS */
:root {
    --primary-color: #540202;
    --primary-dark: #2C0101;
    --primary-light: #8B0000;
    --secondary-color: #FFFFFF;
    --secondary-dark: #F5F5F5;
    --accent-color: #D4A5A5;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    --text-white: #ffffff;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-dark: #1a1a1a;
    --bg-overlay: rgba(84, 2, 2, 0.9);
    
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
    --shadow-xl: 0 12px 24px rgba(0,0,0,0.25);
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', serif;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-color);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-align: center;
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
    outline: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--text-white);
}

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

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

.btn-secondary:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--text-white);
    border: 2px solid var(--text-white);
}

.btn-outline:hover {
    background: var(--text-white);
    color: var(--primary-color);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.125rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg-primary);
    box-shadow: var(--shadow-sm);
}

.header-top {
    background: var(--primary-color);
    color: var(--text-white);
    padding: 8px 0;
    font-size: 0.875rem;
}

.header-top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-info {
    display: flex;
    gap: 20px;
}

.header-info span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.header-social {
    display: flex;
    gap: 12px;
}

.header-social a {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    transition: var(--transition-fast);
}

.header-social a:hover {
    background: var(--accent-color);
    color: var(--primary-color);
}

/* Navbar */
.navbar {
    padding: 1rem 0;
    background: var(--bg-primary);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: var(--transition-fast);
}

.nav-brand:hover {
    transform: scale(1.02);
}

.nav-brand .logo {
    height: 60px;
    width: auto;
    max-width: 250px;
}

.brand-text h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

.brand-text span {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: var(--transition-fast);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    color: var(--text-primary);
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-primary);
    min-width: 200px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-normal);
    margin-top: 10px;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    border-bottom: 1px solid var(--border-color);
}

.dropdown-menu li:last-child {
    border-bottom: none;
}

.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    color: var(--text-primary);
    transition: var(--transition-fast);
}

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

/* CTA Button in Navigation */
.nav-cta {
    background: var(--primary-color) !important;
    color: var(--text-white) !important;
    padding: 8px 16px !important;
    border-radius: var(--border-radius) !important;
    margin-left: 10px;
    transition: var(--transition-normal) !important;
}

.nav-cta:hover {
    background: var(--primary-dark) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-cta::after {
    display: none !important;
}

/* Hero Section */
.hero {
    margin-top: 122px;
    position: relative;
    height: 600px;
    overflow: hidden;
    background-image: linear-gradient(rgba(84, 2, 2, 0.7), rgba(44, 1, 1, 0.7)), url('/assets/images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    min-width: 100%;
    min-height: 100%;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 1;
    pointer-events: none;
    will-change: transform;
}

/* Fallback para navegadores que no soportan video */
@supports not (object-fit: cover) {
    .hero-video {
        display: none;
    }
    
    .hero {
        background-image: linear-gradient(rgba(84, 2, 2, 0.7), rgba(44, 1, 1, 0.7)), url('/assets/images/hero-bg.jpg') !important;
    }
}

/* Optimización para dispositivos con conexión lenta */
@media (prefers-reduced-motion: reduce) {
    .hero-video {
        display: none;
    }
    
    .hero {
        background-image: linear-gradient(rgba(84, 2, 2, 0.7), rgba(44, 1, 1, 0.7)), url('/assets/images/hero-bg.jpg') !important;
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(84, 2, 2, 0.8) 0%,
        rgba(44, 1, 1, 0.6) 50%,
        rgba(84, 2, 2, 0.8) 100%
    );
    z-index: 2;
}

.hero-content-wrapper {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    z-index: 3;
}

.hero-content {
    text-align: center;
    color: var(--text-white);
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.8s ease;
}

.animate-fade-in-delay {
    animation: fadeIn 0.8s ease 0.2s both;
}

.animate-fade-in-delay-2 {
    animation: fadeIn 0.8s ease 0.4s both;
}

/* Quick Info */
.quick-info {
    background: var(--primary-color);
    padding: 40px 0;
    margin-top: -50px;
    position: relative;
    z-index: 10;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.info-card {
    text-align: center;
    color: var(--text-white);
}

.info-card i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.info-card h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.info-card p {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Carreras Section */
.carreras {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.carreras-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

.carrera-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.carrera-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.carrera-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.carrera-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.carrera-card:hover .carrera-image img {
    transform: scale(1.1);
}

.carrera-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.7));
    display: flex;
    align-items: flex-end;
    padding: 20px;
}

.duracion {
    background: var(--accent-color);
    color: var(--primary-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
}

.carrera-content {
    padding: 25px;
}

.carrera-content h3 {
    color: var(--primary-color);
    margin-bottom: 12px;
    font-size: 1.25rem;
}

.carrera-content p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.carrera-features {
    margin-bottom: 20px;
}

.carrera-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.carrera-features i {
    color: var(--success-color);
    font-size: 0.875rem;
}

/* Nosotros Section */
.nosotros {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    position: relative;
}

.nosotros::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('/assets/images/hero-bg.jpg') center/cover;
    opacity: 0.05;
    z-index: 1;
}

.nosotros .container {
    position: relative;
    z-index: 2;
}

.nosotros-content {
    margin-top: 3rem;
}

.nosotros-main {
    display: grid;
    grid-template-columns: 40% 60%;
    gap: 50px;
    align-items: start;
}

/* Columna Izquierda - Imagen + Cronología */
.nosotros-izquierda {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.nosotros-imagen-container {
    text-align: center;
}

.nosotros-imagen {
    width: 100%;
    max-width: 400px;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(84, 2, 2, 0.15);
    border: 3px solid #D4A5A5;
    transition: var(--transition-normal);
}

.nosotros-imagen:hover {
    transform: scale(1.02);
    box-shadow: 0 12px 40px rgba(84, 2, 2, 0.2);
}

.imagen-caption {
    font-style: italic;
    color: #540202;
    font-size: 0.9em;
    text-align: center;
    margin-top: 15px;
    padding: 0 10px;
    line-height: 1.4;
    font-weight: 500;
}

/* Cronología Compacta */
.cronologia-compacta {
    background: var(--primary-color);
    color: var(--text-white);
    padding: 25px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.cronologia-compacta h3 {
    color: var(--accent-color);
    margin-bottom: 20px;
    font-size: 1.25rem;
    text-align: center;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 10px;
}

.cronologia-timeline {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.timeline-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
}

.timeline-item:hover {
    background: rgba(255, 255, 255, 0.15);
}

.timeline-year {
    background: var(--accent-color);
    color: var(--primary-color);
    padding: 6px 12px;
    border-radius: var(--border-radius);
    font-weight: 700;
    font-size: 0.95rem;
    min-width: 60px;
    text-align: center;
    flex-shrink: 0;
}

.timeline-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.timeline-content strong {
    color: var(--accent-color);
    font-size: 0.95rem;
    line-height: 1.2;
}

.timeline-content span {
    font-size: 0.85rem;
    opacity: 0.9;
    line-height: 1.3;
}

/* Columna Derecha - Texto Principal */
.nosotros-texto-principal {
    background: var(--bg-primary);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary-color);
}

.nosotros-texto-principal h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.5rem;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 10px;
}

.nosotros-texto-principal p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

/* Datos Destacados */
.datos-destacados {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin-top: 30px;
    padding: 25px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--accent-color);
}

.dato-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px;
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
}

.dato-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.dato-item i {
    color: var(--primary-color);
    font-size: 1.5rem;
    width: 30px;
    text-align: center;
}

.dato-item div {
    display: flex;
    flex-direction: column;
}

.dato-item strong {
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 700;
}

.dato-item span {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.reconocimientos-list {
    list-style: none;
    padding-left: 0;
}

.reconocimientos-list li {
    background: var(--bg-secondary);
    padding: 12px 20px;
    margin-bottom: 10px;
    border-radius: var(--border-radius);
    border-left: 3px solid var(--accent-color);
    transition: var(--transition-fast);
}

.reconocimientos-list li:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.reconocimientos-list strong {
    color: var(--primary-color);
}


/* Why ISPM Section */
.why-ispm {
    padding: 80px 0;
    background: var(--bg-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 3rem;
}

.feature-item {
    text-align: center;
    padding: 30px;
    border-radius: var(--border-radius-lg);
    background: var(--bg-secondary);
    transition: var(--transition-normal);
}

.feature-item:hover {
    background: var(--bg-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 2rem;
    transition: var(--transition-normal);
}

.feature-item:hover .feature-icon {
    transform: scale(1.1);
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-dark));
    color: var(--primary-color);
}

.feature-item h3 {
    color: var(--primary-color);
    margin-bottom: 12px;
    font-size: 1.25rem;
}

.feature-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Admisión Section */
.admision {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-white);
}

.admision .section-title {
    color: var(--text-white);
}

.admision .section-title::after {
    background: var(--accent-color);
}

.admision .section-subtitle {
    color: rgba(255,255,255,0.9);
}

.admision-process {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin: 60px 0;
    flex-wrap: wrap;
}

.process-step {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    text-align: center;
    max-width: 250px;
    transition: var(--transition-normal);
}

.process-step:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-5px);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--accent-color);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

.process-step h3 {
    margin-bottom: 12px;
    font-size: 1.125rem;
}

.process-step p {
    font-size: 0.95rem;
    opacity: 0.9;
}

.process-arrow {
    font-size: 2rem;
    color: var(--accent-color);
}

.admision-cta {
    text-align: center;
}

.cta-note {
    margin-top: 20px;
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Testimonios */
.testimonios {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.testimonios-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

.testimonio-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.testimonio-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.stars {
    color: var(--accent-color);
    margin-bottom: 20px;
}

.testimonio-content p {
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.8;
    margin-bottom: 25px;
    position: relative;
}

.testimonio-content p::before {
    content: '"';
    font-size: 3rem;
    color: var(--primary-color);
    opacity: 0.2;
    position: absolute;
    top: -20px;
    left: -10px;
}

.testimonio-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonio-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonio-author h4 {
    color: var(--primary-color);
    margin-bottom: 4px;
}

.testimonio-author span {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Contacto Section */
.contacto {
    padding: 80px 0;
}

.contacto-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 3rem;
}

.contacto-info h3 {
    color: var(--primary-color);
    margin-bottom: 30px;
    font-size: 1.5rem;
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.info-item i {
    color: var(--primary-color);
    font-size: 1.5rem;
    width: 30px;
}

.info-item h4 {
    color: var(--primary-color);
    margin-bottom: 8px;
}

.info-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.social-links {
    margin-top: 40px;
}

.social-links h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.social-icons {
    display: flex;
    gap: 12px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.social-icons a:hover {
    background: var(--accent-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* Form Styles */
.contacto-form {
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: var(--border-radius-lg);
}

.contacto-form h3 {
    color: var(--primary-color);
    margin-bottom: 30px;
    font-size: 1.5rem;
}

.form-group {
    position: relative;
    margin-bottom: 25px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group label {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    transition: var(--transition-fast);
    pointer-events: none;
    background: var(--bg-primary);
    padding: 0 5px;
}

.form-group textarea ~ label {
    top: 20px;
    transform: translateY(0);
}

.form-group input:focus ~ label,
.form-group input:valid ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:valid ~ label {
    top: -10px;
    font-size: 0.875rem;
    color: var(--primary-color);
}

.form-group.checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-group.checkbox input {
    width: auto;
}

.form-group.checkbox label {
    position: static;
    transform: none;
    cursor: pointer;
}

.form-message {
    margin-top: 20px;
    padding: 12px;
    border-radius: var(--border-radius);
    display: none;
}

.form-message.success {
    background: var(--success-color);
    color: var(--text-white);
    display: block;
}

.form-message.error {
    background: var(--danger-color);
    color: var(--text-white);
    display: block;
}

/* Ubicación Section */
.ubicacion {
    padding: 80px 0 0;
    background: var(--bg-secondary);
}

.ubicacion-info {
    margin-bottom: 40px;
}

.ubicacion-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

.ubicacion .info-item {
    background: var(--bg-primary);
    padding: 25px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.ubicacion .info-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.ubicacion .info-item i {
    color: var(--primary-color);
    font-size: 1.5rem;
    width: 30px;
}

.ubicacion .info-item h4 {
    color: var(--primary-color);
    margin-bottom: 8px;
}

.ubicacion .info-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ¿Cómo llegar? Section */
.como-llegar {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.ubicacion-grid {
    display: grid;
    grid-template-columns: 60% 40%;
    gap: 40px;
    margin-top: 3rem;
    align-items: start;
}

.mapa-container {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.mapa-container iframe {
    border-radius: var(--border-radius-lg);
    filter: grayscale(10%);
    transition: var(--transition-normal);
}

.mapa-container:hover iframe {
    filter: grayscale(0%);
}

.ubicacion-sidebar {
    background: var(--bg-primary);
    padding: 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    height: fit-content;
}

.ubicacion-sidebar h3 {
    color: var(--primary-color);
    margin-bottom: 25px;
    font-size: 1.25rem;
}

.ubicacion-item {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.ubicacion-item:last-of-type {
    border-bottom: none;
    margin-bottom: 30px;
}

.ubicacion-item i {
    color: var(--primary-color);
    font-size: 1.25rem;
    width: 25px;
    margin-top: 5px;
}

.ubicacion-item h4 {
    color: var(--primary-color);
    margin-bottom: 8px;
    font-size: 1rem;
}

.ubicacion-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.btn-maps {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 20px;
    transition: var(--transition-normal);
}

.btn-maps:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Map */
.map-container {
    height: 450px;
    filter: grayscale(20%);
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-white);
}

.footer-top {
    padding: 60px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: 40px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.footer-brand img {
    width: 50px;
    height: 50px;
}

.footer-brand h3 {
    font-size: 1.25rem;
}

.footer-column h4 {
    margin-bottom: 20px;
    color: var(--accent-color);
}

.footer-column p {
    color: rgba(255,255,255,0.8);
    line-height: 1.8;
    margin-bottom: 20px;
}

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

.footer-links a {
    color: rgba(255,255,255,0.8);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-color);
    transform: translateX(5px);
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.1);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--accent-color);
    color: var(--primary-color);
}

.newsletter-form {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: var(--border-radius);
    background: rgba(255,255,255,0.1);
    color: var(--text-white);
}

.newsletter-form input::placeholder {
    color: rgba(255,255,255,0.5);
}

.footer-certifications {
    display: flex;
    gap: 15px;
}

.footer-certifications img {
    height: 40px;
}

.footer-bottom {
    background: rgba(0,0,0,0.3);
    padding: 20px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-legal {
    display: flex;
    gap: 20px;
}

.footer-legal a {
    color: rgba(255,255,255,0.6);
    font-size: 0.875rem;
}

.footer-legal a:hover {
    color: var(--accent-color);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 30px;
    height: 30px;
    background: var(--bg-secondary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--danger-color);
    color: var(--text-white);
}

.modal-body {
    padding: 40px;
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    z-index: 900;
}

.back-to-top.show {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
    z-index: 900;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contacto-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .ubicacion-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .mapa-container {
        order: 1;
    }
    
    .ubicacion-sidebar {
        order: 2;
    }
    
    /* Nosotros Section - Tablet */
    .nosotros-main {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .nosotros-izquierda {
        order: 1;
    }
    
    .nosotros-texto-principal {
        order: 2;
    }
    
    .nosotros-imagen {
        max-width: 350px;
    }
    
    .cronologia-compacta {
        padding: 20px;
    }
    
    .datos-destacados {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
        padding: 20px;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 122px;
        flex-direction: column;
        background: var(--bg-primary);
        width: 100%;
        text-align: center;
        transition: var(--transition-normal);
        box-shadow: var(--shadow-lg);
        padding: 20px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--bg-secondary);
        margin-top: 10px;
    }
    
    .nav-brand .logo {
        height: 50px;
        width: auto;
        max-width: 200px;
    }
    
    .nav-cta {
        margin-left: 0 !important;
        margin-top: 10px;
        text-align: center;
    }
    
    .hero {
        height: 500px;
        background-attachment: scroll;
    }
    
    .hero-video {
        object-fit: cover;
        object-position: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .carreras-grid,
    .testimonios-slider {
        grid-template-columns: 1fr;
    }
    
    /* Nosotros Section - Mobile */
    .nosotros-main {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .nosotros-izquierda {
        order: 1;
        gap: 25px;
    }
    
    .nosotros-texto-principal {
        order: 2;
        padding: 30px;
    }
    
    .nosotros-imagen {
        max-width: 300px;
    }
    
    .imagen-caption {
        font-size: 0.85em;
        margin-top: 12px;
    }
    
    .cronologia-compacta {
        padding: 20px;
    }
    
    .cronologia-compacta h3 {
        font-size: 1.1rem;
        margin-bottom: 15px;
    }
    
    .timeline-item {
        padding: 10px;
        gap: 12px;
    }
    
    .timeline-year {
        min-width: 55px;
        padding: 4px 8px;
        font-size: 0.9rem;
    }
    
    .timeline-content strong {
        font-size: 0.9rem;
    }
    
    .timeline-content span {
        font-size: 0.8rem;
    }
    
    .datos-destacados {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 20px;
    }
    
    .admision-process {
        flex-direction: column;
    }
    
    .process-arrow {
        transform: rotate(90deg);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: 20px;
    }
    
    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .header-info {
        display: none;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .nav-brand .logo {
        height: 40px;
        width: auto;
        max-width: 150px;
    }
    
    .hero {
        height: 450px;
    }
    
    .hero-video {
        min-width: 120%;
        min-height: 120%;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    /* Nosotros Section - Small Mobile */
    .nosotros-main {
        gap: 25px;
    }
    
    .nosotros-izquierda {
        gap: 20px;
    }
    
    .nosotros-imagen {
        max-width: 280px;
    }
    
    .imagen-caption {
        font-size: 0.8em;
        margin-top: 10px;
        padding: 0 5px;
    }
    
    .nosotros-texto-principal {
        padding: 20px;
    }
    
    .nosotros-texto-principal h3 {
        font-size: 1.25rem;
        margin-bottom: 15px;
    }
    
    .cronologia-compacta {
        padding: 15px;
    }
    
    .cronologia-compacta h3 {
        font-size: 1rem;
        margin-bottom: 12px;
    }
    
    .timeline-item {
        padding: 8px;
        gap: 10px;
    }
    
    .timeline-year {
        min-width: 50px;
        padding: 3px 6px;
        font-size: 0.85rem;
    }
    
    .timeline-content strong {
        font-size: 0.85rem;
    }
    
    .timeline-content span {
        font-size: 0.75rem;
    }
    
    .datos-destacados {
        padding: 15px;
        gap: 10px;
    }
    
    .dato-item {
        padding: 10px;
        gap: 12px;
    }
    
    .dato-item i {
        font-size: 1.25rem;
    }
    
    .dato-item strong {
        font-size: 1rem;
    }
    
    .dato-item span {
        font-size: 0.85rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.95rem;
    }
    
    .contacto-form {
        padding: 20px;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .campus-float {
        right: 20px;
        bottom: 90px;
        width: 65px;
        height: 65px;
    }
    
    .campus-float-icon {
        font-size: 1.2rem;
    }
    
    .campus-float-text {
        font-size: 0.7rem;
    }
    
    .btn-campus {
        padding: 10px 20px;
        font-size: 0.9rem;
        gap: 8px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}

/* =====================================================
   CAMPUS VIRTUAL BUTTONS
   ===================================================== */

/* Hero Campus Button */
.btn-campus {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--text-white);
    display: inline-flex;
    align-items: center;
    gap: 12px;
    position: relative;
    overflow: hidden;
    border: none;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(84, 2, 2, 0.3);
}

.btn-campus::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-campus:hover::before {
    left: 100%;
}

.btn-campus:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(84, 2, 2, 0.4);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
}

.btn-campus:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(84, 2, 2, 0.3);
}

.btn-campus i {
    font-size: 1.1em;
    transition: transform var(--transition-fast);
}

.btn-campus:hover i {
    transform: scale(1.1);
}

/* Floating Campus Button */
.campus-float {
    position: fixed;
    right: 30px;
    bottom: 100px;
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    box-shadow: 0 6px 20px rgba(84, 2, 2, 0.4);
    z-index: 1000;
    transition: all var(--transition-normal);
    text-decoration: none;
    border: 3px solid rgba(255, 255, 255, 0.2);
    animation: campusPulse 2s infinite;
}

.campus-float:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 30px rgba(84, 2, 2, 0.5);
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    animation: none;
}

.campus-float:active {
    transform: translateY(-2px) scale(1.02);
}

.campus-float-icon {
    font-size: 1.4rem;
    margin-bottom: 2px;
    transition: transform var(--transition-fast);
}

.campus-float-text {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1;
}

.campus-float:hover .campus-float-icon {
    transform: scale(1.15);
}

/* Pulse Animation */
@keyframes campusPulse {
    0% {
        box-shadow: 0 6px 20px rgba(84, 2, 2, 0.4), 0 0 0 0 rgba(84, 2, 2, 0.7);
    }
    70% {
        box-shadow: 0 6px 20px rgba(84, 2, 2, 0.4), 0 0 0 10px rgba(84, 2, 2, 0);
    }
    100% {
        box-shadow: 0 6px 20px rgba(84, 2, 2, 0.4), 0 0 0 0 rgba(84, 2, 2, 0);
    }
}

/* Hero Buttons Layout Enhancement */
.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.hero-buttons .btn {
    min-width: 180px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}