/* ============================================
   MelateIA Landing Page - Estilos
   Tema: Casino oscuro con acentos neón
   ============================================ */

/* Variables */
:root {
    --bg-dark: #0a0e1a;
    --bg-surface: #1a1f2e;
    --bg-card: #242938;
    --gold: #D4AF37;
    --gold-light: #F5D76E;
    --purple: #5C39FF;
    --purple-light: #8B5CF6;
    --neon-green: #00FF88;
    --neon-red: #FF4757;
    --neon-blue: #00D4FF;
    --text-primary: #FFFFFF;
    --text-secondary: #9CA3AF;
    --text-muted: #6B7280;
    --gradient-gold: linear-gradient(135deg, #D4AF37, #F59E0B);
    --gradient-purple: linear-gradient(135deg, #5C39FF, #8B5CF6);
    --gradient-hero: linear-gradient(135deg, #0a0e1a 0%, #1a1f2e 50%, #0a0e1a 100%);
    --shadow-glow: 0 0 40px rgba(212, 175, 55, 0.15);
    --border-radius: 12px;
    --border-radius-lg: 20px;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

.text-gradient {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-gold);
    color: #000;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--gold);
}

.btn-secondary:hover {
    background: rgba(212, 175, 55, 0.1);
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

.btn-block {
    width: 100%;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    font-size: 28px;
}

.logo-text {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
}

.logo-accent {
    color: var(--gold);
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(92, 57, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
        var(--bg-dark);
    z-index: -1;
}

.hero-content {
    text-align: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 50px;
    font-size: 14px;
    color: var(--gold);
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(40px, 8vw, 72px);
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 800;
    color: var(--gold);
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--bg-surface);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 40px;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.feature-card {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(212, 175, 55, 0.3);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 15px;
}

.feature-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}

.feature-badge.pro {
    background: var(--gradient-gold);
    color: #000;
}

.feature-badge.free {
    background: rgba(0, 255, 136, 0.2);
    color: var(--neon-green);
}

/* How it Works */
.how-it-works {
    padding: 100px 0;
}

.steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.step {
    text-align: center;
    max-width: 280px;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-gold);
    color: #000;
    font-size: 24px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.step p {
    color: var(--text-secondary);
    font-size: 15px;
}

.step-arrow {
    font-size: 32px;
    color: var(--gold);
}

/* Pricing Section */
.pricing {
    padding: 100px 0;
    background: var(--bg-surface);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.pricing-card.featured {
    border-color: var(--gold);
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    background: var(--gradient-gold);
    color: #000;
    font-size: 12px;
    font-weight: 700;
    border-radius: 20px;
}

.pricing-badge.save {
    background: var(--neon-green);
}

.pricing-header {
    text-align: center;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 24px;
}

.pricing-header h3 {
    font-size: 22px;
    margin-bottom: 16px;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.price-amount {
    font-size: 48px;
    font-weight: 800;
    color: var(--gold);
}

.price-period {
    font-size: 16px;
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 15px;
}

.pricing-features li.disabled {
    color: var(--text-muted);
}

.pricing-features .check {
    color: var(--neon-green);
    font-weight: bold;
}

.pricing-features .x {
    color: var(--neon-red);
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background:
        radial-gradient(ellipse at center, rgba(92, 57, 255, 0.2) 0%, transparent 70%),
        var(--bg-dark);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta h2 {
    font-size: 36px;
    margin-bottom: 16px;
}

.cta p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* Footer */
.footer {
    padding: 60px 0 30px;
    background: var(--bg-surface);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 60px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand p {
    margin-top: 16px;
    color: var(--text-secondary);
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-column h4 {
    font-size: 14px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    padding: 6px 0;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: var(--gold);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.disclaimer {
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid rgba(255, 71, 87, 0.2);
    border-radius: var(--border-radius);
    padding: 16px;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.copyright {
    font-size: 13px;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-stats {
        gap: 30px;
    }

    .stat-number {
        font-size: 28px;
    }

    .steps {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .pricing-card.featured {
        transform: none;
    }

    .footer-content {
        flex-direction: column;
        gap: 40px;
    }

    .footer-links {
        flex-direction: column;
        gap: 30px;
    }
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero-badge {
    animation: float 3s ease-in-out infinite;
}