/* ═══════════════════════════════════════════════════════════════════
   GLASSMORPHISM PRO CSS VARIABLES
   ═══════════════════════════════════════════════════════════════════ */

:root { color-scheme: light;
    /* Light default palette (MANDATORY for dark mode compliance) */
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(15, 23, 42, 0.15);
    --glass-shadow: rgba(15, 23, 42, 0.1);
    
    /* Jewel Tone Colors */
    --primary: #6366f1;
    --secondary: #8b5cf6;
    --accent: #d4af37;
    --accent-2: #ec4899;
    
    /* Light background */
    --bg-primary: #f8fafc;
    --bg-secondary: #e0e7ff;
    --bg-tertiary: #f1e7ff;
    
    /* Text */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    
    /* Blur System */
    --blur-sm: blur(10px);
    --blur-md: blur(20px);
    --blur-lg: blur(40px);
    
    /* Border Radius */
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    
    /* Shadows */
    --shadow-sm: 0 4px 16px rgba(15,23,42,0.08);
    --shadow-md: 0 8px 24px rgba(15,23,42,0.12);
    --shadow-lg: 0 12px 40px rgba(15,23,42,0.15);
    --shadow-xl: 0 20px 60px rgba(15,23,42,0.2);
    
    /* Typography */
    --font-heading: 'Inter', -apple-system, sans-serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    
    /* Spacing */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 32px;
    --space-xl: 48px;
}

/* Dark theme override */
[data-theme="dark"] { color-scheme: dark;
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.15);
    --glass-shadow: rgba(0, 0, 0, 0.3);
    
    --bg-primary: #0f172a;
    --bg-secondary: #1e2937;
    --bg-tertiary: #334155;
    
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Navigation */
.sticky-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--glass-bg);
    backdrop-filter: var(--blur-md);
    border-bottom: 1px solid var(--glass-border);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 0;
    transition: color 0.2s ease;
    position: relative;
}

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

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: var(--blur-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-toggle:hover {
    transform: scale(1.05);
}

.mobile-nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    font-size: 1.5rem;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
}

.hero-card {
    max-width: 620px;
    padding: 3rem;
    border-radius: var(--radius-xl);
    background: var(--glass-bg);
    backdrop-filter: var(--blur-lg);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-xl);
}

.hero h1 {
    font-size: clamp(2.75rem, 6vw, 4.25rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.25rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 2.5rem;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--glass-border);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 1px solid var(--glass-border);
}

.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-sm {
    padding: 10px 20px;
    font-size: 0.95rem;
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-alt {
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    margin-bottom: 0.75rem;
}

/* Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

/* Cards */
.card {
    background: var(--glass-bg);
    backdrop-filter: var(--blur-md);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.item-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: 1.25rem;
}

.item-info h3 {
    margin-bottom: 0.5rem;
}

.item-meta {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

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

.points {
    font-weight: 600;
    color: var(--accent);
}

/* How it Works */
.how-grid .card {
    text-align: center;
}

.step-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
}

/* Footer */
footer {
    padding: 3rem 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 2rem;
}

.footer-brand .logo-text {
    display: block;
    margin-bottom: 0.75rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
}

/* Missing class rules added for refinement */
.footer-legal {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 1rem;
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: var(--blur-md);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-md);
}

.hero-content {
    max-width: 620px;
    padding: 3rem;
    border-radius: var(--radius-xl);
    background: var(--glass-bg);
    backdrop-filter: var(--blur-lg);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-xl);
}

.hero-small {
    min-height: 60vh;
    display: flex;
    align-items: center;
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
}

.icon {
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.logo .logo-text {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.02em;
}

/* Responsive */
@media (max-width: 1024px) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--glass-bg);
        backdrop-filter: var(--blur-md);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--glass-border);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-nav-toggle {
        display: block;
    }
    
    .grid {
        grid-template-columns: 1fr;
    }
}

/* Accessibility */
:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 3px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation: none !important;
        transition: none !important;
    }
}