/* Skip Link para accesibilidad */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-600);
    color: white;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    z-index: 10000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-4);
    outline: 2px solid white;
    outline-offset: 2px;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--bg-tertiary);
    padding: var(--space-4) 0;
}

/* Botón de menú mobile */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 32px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 10;
}

.nav-toggle:focus-visible {
    outline: 2px solid var(--primary-400);
    outline-offset: 2px;
}

.nav-toggle-bar {
    width: 32px;
    height: 3px;
    background: var(--text-primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 700;
    font-size: var(--text-xl);
    color: var(--text-primary);
}

.nav-logo img {
    height: 32px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.nav-links a {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--text-primary);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-content {
    max-width: 700px;
}

.hero-title {
    font-size: var(--text-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-6);
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

.hero-stats {
    display: flex;
    gap: var(--space-10);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--primary-400);
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.section {
    padding: var(--space-16) 0;
}

.section-title {
    font-size: var(--text-3xl);
    font-weight: 700;
    margin-bottom: var(--space-8);
    text-align: center;
}

.footer {
    padding: var(--space-8) 0;
    border-top: 1px solid var(--bg-tertiary);
    text-align: center;
    color: var(--text-muted);
    font-size: var(--text-sm);
}

#particles-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.dashboard-layout {
    display: flex;
    min-height: 100vh;
    padding-top: 80px;
}

.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--bg-tertiary);
    padding: var(--space-6);
    position: fixed;
    top: 80px;
    bottom: 0;
    overflow-y: auto;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.sidebar-link:hover,
.sidebar-link.active {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.main-content {
    flex: 1;
    margin-left: 260px;
    padding: var(--space-8);
}

.grid {
    display: grid;
    gap: var(--space-6);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
    .hero-title { font-size: var(--text-3xl); }
    .hero-stats { flex-wrap: wrap; gap: var(--space-6); }
    
    /* Menú mobile */
    .nav-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-6);
        transform: translateX(100%);
        transition: transform var(--transition-normal);
        z-index: 999;
    }
    
    .nav-links.active {
        transform: translateX(0);
    }
    
    .nav-links a {
        font-size: var(--text-xl);
        font-weight: 600;
        padding: var(--space-4);
    }
    
    .nav-links .btn {
        margin-top: var(--space-4);
    }
    
    .sidebar { display: none; }
    .main-content { margin-left: 0; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}