/* Variables CSS */
:root {
    --primary: #3b82f6;
    --primary-dark: #1d4ed8;
    --secondary: #8b5cf6;
    --dark: #111827;
    --darker: #0f172a;
    --light: #f9fafb;
    --gray: #6b7280;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --card-bg: rgba(30, 41, 59, 0.7);
    --border: rgba(255, 255, 255, 0.1);
}

/* Estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, var(--darker), var(--dark));
    color: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: white;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 25px;
}

.nav-link {
    color: var(--light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    display: inline-block;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--light);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Hero Section */
.hero {
    padding: 150px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    z-index: -1;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
    color: rgba(255, 255, 255, 0.8);
}

/* Plans Section */
.section {
    padding: 80px 0;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.plan-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    border: 1px solid var(--border);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
}

.plan-card.featured {
    border-color: var(--primary);
    transform: scale(1.05);
}

.plan-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.plan-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.plan-header {
    text-align: center;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.plan-name {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.plan-price {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.plan-price span {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
}

.plan-features {
    list-style: none;
    margin-bottom: 30px;
}

.plan-features li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.plan-features li:last-child {
    border-bottom: none;
}

/* Footer */
footer {
    background: var(--darker);
    padding: 40px 0 20px;
    border-top: 1px solid var(--border);
}

.footer-bottom {
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .plans-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .plan-card.featured {
        transform: none;
    }
    
    .nav-links {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .plan-card {
        padding: 20px;
    }
    
    .plan-price {
        font-size: 2rem;
    }
}