/* ============================================
   Base Styles & Design System
   ============================================ */

:root {
    /* Color Palette */
    --primary-black: #0a0a0a;
    --black: #000000;
    --accent-gold: #FFD700;
    --secondary-gold: #C9A961;
    --dark-gold: #B8860B;
    --text-white: #FFFFFF;
    --text-light: #E5E5E5;
    --text-gray: #B0B0B0;
    --bg-dark: #1a1a1a;
    --bg-darker: #2a2a2a;
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'Courier New', monospace;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--primary-black);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-white);
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 2rem;
}

h4 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--spacing-sm);
}

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

a:hover {
    color: var(--secondary-gold);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.loading {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-gray);
}

.error-message {
    text-align: center;
    padding: var(--spacing-lg);
    color: #ff6b6b;
    background-color: rgba(255, 107, 107, 0.1);
    border: 1px solid rgba(255, 107, 107, 0.3);
    border-radius: 8px;
    margin: var(--spacing-lg) 0;
}

/* ============================================
   Sections
   ============================================ */

section {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--accent-gold);
}

.page-header {
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--bg-dark) 100%);
    padding: var(--spacing-xxl) 0;
    text-align: center;
    border-bottom: 2px solid var(--accent-gold);
}

.page-header h1 {
    color: var(--accent-gold);
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    color: var(--text-gray);
    font-size: 1.1rem;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--bg-dark) 50%, var(--primary-black) 100%);
    padding: var(--spacing-xxl) 0;
    min-height: 70vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 4rem;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--secondary-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1.2s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Features Section
   ============================================ */

.features {
    background-color: var(--primary-black);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.feature-card {
    background-color: var(--bg-dark);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border: 2px solid transparent;
    transition: all var(--transition-normal);
    text-align: center;
}

.feature-card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    color: var(--accent-gold);
    margin-bottom: var(--spacing-sm);
}

.feature-link {
    display: inline-block;
    margin-top: var(--spacing-md);
    color: var(--accent-gold);
    font-weight: 500;
}

.feature-link:hover {
    color: var(--secondary-gold);
}

.feature-card-pro {
    border: 2px solid rgba(255, 215, 0, 0.4);
}

/* ============================================
   Eternica Pro Promo (Homepage)
   ============================================ */

.eternica-pro-promo {
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary-black) 100%);
    border-top: 2px solid var(--accent-gold);
    border-bottom: 2px solid var(--accent-gold);
    padding: var(--spacing-xl) 0;
}

.pro-promo-content {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.pro-promo-content h2 {
    color: var(--accent-gold);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

.pro-promo-content p {
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
}

.pro-promo-content .btn-promo {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.15rem;
}

.pro-promo-link {
    display: block;
    margin-top: var(--spacing-md);
    color: var(--accent-gold);
    font-size: 0.95rem;
}

.pro-promo-link:hover {
    color: var(--secondary-gold);
}

.btn-hero-main {
    font-size: 1.1rem;
    padding: var(--spacing-sm) var(--spacing-xl);
}

@media (max-width: 768px) {
    .pro-promo-content h2 {
        font-size: 1.4rem;
    }
}

/* ============================================
   Featured News Section
   ============================================ */

.featured-news {
    background-color: var(--bg-dark);
    padding: var(--spacing-xxl) 0;
}

.news-preview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background-color: var(--black);
    padding: var(--spacing-xxl) 0 var(--spacing-md);
    border-top: 2px solid var(--accent-gold);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3,
.footer-section h4 {
    color: var(--accent-gold);
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
    color: var(--text-light);
    transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--accent-gold);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--bg-darker);
    color: var(--text-gray);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    section {
        padding: var(--spacing-lg) 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
}