/* Secciones Específicas */

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--navbar-bg);
    backdrop-filter: blur(10px);
    padding: var(--spacing-sm) 0;
    z-index: var(--z-nav);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

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

.nav-brand {
    font-family: var(--font-serif);
    font-size: var(--text-lg);
    color: var(--accent);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.nav-brand img {
    height: 40px;
    width: auto;
}

.logo-light { display: none; }
.logo-dark { display: block; }

html.light-mode .logo-dark { display: none; }
html.light-mode .logo-light { display: block; }

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    color: var(--text-primary);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width var(--transition-normal);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    padding: 8px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--accent);
    transition: all var(--transition-fast);
}

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: none;
    color: var(--accent);
    font-size: 20px;
    margin-left: var(--spacing-md);
    cursor: pointer;
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    transform: scale(1.1);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background-color: var(--color-negro);
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: translate(-50%, -50%);
    z-index: 0;
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.70) 0%, rgba(20, 20, 20, 0.55) 100%);
    z-index: 1;
}

.hero-dots-overlay {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.15) 1.2px, transparent 1.2px);
    background-size: 16px 16px;
    z-index: 2;
    pointer-events: none;
}

.hero-content {
    text-align: center;
    z-index: 3;
    max-width: 800px;
    padding: var(--spacing-md);
}

.hero-title {
    font-size: clamp(var(--text-xxl), 8vw, var(--text-xxxl));
    color: var(--color-crema); /* Always crema on hero for contrast with dark bg */
    margin-bottom: var(--spacing-sm);
    opacity: 0;
    transform: translateY(30px);
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--color-oro); /* Always oro on hero */
    margin-bottom: var(--spacing-md);
    opacity: 0;
    transform: translateY(30px);
}

.hero-description {
    font-size: var(--text-md);
    color: var(--color-gris-claro);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0;
    transform: translateY(30px);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--color-oro);
    font-size: var(--text-xs);
    opacity: 0;
    z-index: 3;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-oro), transparent);
    animation: scrollAnimation 2s infinite;
}

@keyframes scrollAnimation {
    0%, 100% { opacity: 0; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(10px); }
}

/* Profesor Section */
.profesor-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.profesor-text h3 {
    color: var(--accent);
    margin-bottom: var(--spacing-md);
}

.profesor-text p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.profesor-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
}

/* Compromiso Section */
.compromiso-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.compromiso-text h3 {
    color: var(--accent);
}

.compromiso-text p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.compromiso-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
}

/* Footer */
.footer {
    background: var(--bg-primary);
    padding: var(--spacing-lg) 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer p {
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 60px);
        background: var(--navbar-bg);
        flex-direction: column;
        padding: var(--spacing-lg);
        transition: left var(--transition-normal);
        backdrop-filter: blur(10px);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .profesor-content, .compromiso-grid {
        grid-template-columns: 1fr;
    }
}