:root {
    /* v12.4.0: Light Theme Palette (Slate & Indigo) */
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --border-card: #e2e8f0;
    
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --accent-glow: rgba(99, 102, 241, 0.15);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 8px;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-main);
    margin: 0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    font-weight: 700;
    color: var(--text-primary);
}

h1 { font-size: 3.5rem; line-height: 1.1; letter-spacing: -0.02em; }
h2 { font-size: 2.5rem; margin-bottom: 1.5rem; }

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

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

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

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    background: var(--accent);
    color: #fff !important;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: 0 4px 14px 0 var(--accent-glow);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 var(--accent-glow);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    background: transparent;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-card);
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-outline:hover {
    background: var(--bg-card-hover);
    border-color: var(--text-secondary);
}

/* Navbar - Bootstrap 5 Overrides */
.navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary) !important;
    letter-spacing: -0.5px;
}

.nav-link {
    /*color: var(--text-secondary) !important;*/
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-link:hover, .nav-link:focus, .nav-item.active .nav-link {
    color: var(--text-primary) !important;
}

.navbar-toggler {
    border-color: rgba(255,255,255,0.1);
}


/* Hero Section */
.hero {
    padding: 100px 0 80px;
    text-align: center;
    background: radial-gradient(circle at top center, rgba(99, 102, 241, 0.05) 0%, transparent 60%);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 1.5rem auto 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
}

/* Features */
.features {
    padding: 80px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 16px;
    padding: 30px;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}

.feature-card:hover {
    transform: translateY(-5px);
    background: var(--bg-card);
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0;
}

/* Pricing */
.pricing {
    padding: 80px 0;
    text-align: center;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: left;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.pricing-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.pricing-card.premium {
    border-color: var(--accent);
}

.pricing-card.premium::before {
    content: 'Recomendado';
    position: absolute;
    top: 15px;
    right: -30px;
    background: var(--accent);
    color: white;
    font-size: 0.75rem;
    font-weight: bold;
    padding: 5px 35px;
    transform: rotate(45deg);
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.pricing-card .price {
    font-size: 3rem;
    font-weight: 800;
    margin: 20px 0;
}

.pricing-card .price span {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.pricing-card ul {
    list-style: none;
    padding: 0;
    margin: 0 0 30px 0;
}

.pricing-card ul li {
    color: var(--text-secondary);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.pricing-card ul li::before {
    content: '✓';
    color: var(--accent);
    margin-right: 10px;
    font-weight: bold;
}

/* Utility */
.text-center { text-align: center; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mt-4 { margin-top: 1.5rem; }
.w-fit { width: fit-content; }

/* Premium Components */
.custom-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.custom-card.hover-effect:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
}

.custom-input {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--border-card);
    background-color: #fff;
    font-size: 1rem;
    transition: all var(--transition);
    width: 100%;
}

.custom-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-glow);
    outline: none;
}

/* Badges */
.status-badge {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 20px;
    padding: 4px 12px;
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
}

.status-badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border-color: rgba(16, 185, 129, 0.2);
}

.status-badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
    border-color: rgba(245, 158, 11, 0.2);
}

.status-badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.2);
}

.status-badge-info {
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent);
    border-color: rgba(99, 102, 241, 0.2);
}

/* Auth Clients (Login/Signup) */
.auth-clients { padding: 0; margin: 0; display: flex; justify-content: center; gap: 15px; }
.auth-clients li { list-style: none; display: inline-block; }
.auth-clients .auth-client { 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    width: 48px; 
    height: 48px; 
    background: var(--bg-main); 
    border-radius: 12px; 
    border: 1px solid var(--border-card); 
    transition: all var(--transition); 
    text-decoration: none; 
}
.auth-clients .auth-client:hover { 
    background: var(--bg-card-hover); 
    border-color: var(--accent); 
    transform: translateY(-2px); 
}
.auth-clients span.auth-title { display: none; }

/* Dashboard Navigation Card */
.nav-link-card {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary) !important;
    transition: all var(--transition);
    font-weight: 500;
}

.nav-link-card:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary) !important;
}

.nav-link-card.active {
    background: var(--bg-card-hover);
    color: var(--accent) !important;
    font-weight: 600;
}