/* ==========================================
   THEME SYSTEM - IndicStudio
   Light, Dark, and System Themes
   ========================================== */

/* Root Variables - Default (Light Theme) */
:root {
    /* Colors - Light Theme */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #ec4899;
    --accent-color: #14b8a6;
    
    /* Text Colors */
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-dark: #111827;
    --bg-card: #ffffff;
    
    /* Border Colors */
    --border-color: #e5e7eb;
    
    /* Shadow Colors */
    --shadow-color: rgba(0, 0, 0, 0.1);
    
    /* Overlay Colors */
    --overlay-bg: rgba(255, 255, 255, 0.95);
    
    /* CTA Gradient */
    --cta-gradient-start: #667eea;
    --cta-gradient-mid: #764ba2;
    --cta-gradient-end: #f97316;
}

/* Dark Theme */
[data-theme="dark"] {
    /* Colors - Dark Theme */
    --primary-color: #818cf8;
    --primary-dark: #6366f1;
    --primary-light: #a5b4fc;
    --secondary-color: #f472b6;
    --accent-color: #2dd4bf;
    
    /* Text Colors */
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-light: #94a3b8;
    
    /* Background Colors */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-dark: #020617;
    --bg-card: #1e293b;
    
    /* Border Colors */
    --border-color: #334155;
    
    /* Shadow Colors */
    --shadow-color: rgba(0, 0, 0, 0.5);
    
    /* Overlay Colors */
    --overlay-bg: rgba(15, 23, 42, 0.95);
    
    /* CTA Gradient */
    --cta-gradient-start: #6366f1;
    --cta-gradient-mid: #8b5cf6;
    --cta-gradient-end: #ec4899;
}

/* Theme-specific adjustments */

/* Dark Theme - Body */
[data-theme="dark"] body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

/* Dark Theme - Navbar */
[data-theme="dark"] .navbar {
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .logo {
    color: var(--text-primary);
}

/* Desktop nav links - dark theme */
[data-theme="dark"] .nav-links a {
    color: var(--text-secondary);
}

[data-theme="dark"] .nav-links a:hover {
    color: var(--primary-light);
}

[data-theme="dark"] .nav-links a::after {
    background: var(--primary-light);
}

[data-theme="dark"] .hamburger span {
    background: var(--text-primary);
}

/* Dark Theme - Mobile Menu (Only for mobile) */
@media (max-width: 768px) {
    [data-theme="dark"] .nav-links {
        background: var(--bg-primary);
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    }

    [data-theme="dark"] .nav-links a {
        background: var(--bg-secondary);
        color: var(--text-primary);
    }

    [data-theme="dark"] .nav-links a:hover {
        background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
        color: white;
    }

    [data-theme="dark"] .hamburger:hover {
        background: var(--bg-secondary);
    }

    [data-theme="dark"] .hamburger.active span {
        background: var(--primary-light);
    }
    
    [data-theme="dark"] .mobile-overlay {
        background: rgba(0, 0, 0, 0.7);
    }
}

/* Dark Theme - Hero Background */
[data-theme="dark"] .hero {
    background-color: var(--bg-primary);
}

[data-theme="dark"] .hero-background {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    opacity: 0.3;
}

[data-theme="dark"] .hero-title,
[data-theme="dark"] .hero-subtitle {
    color: var(--text-primary);
}

[data-theme="dark"] .hero-subtitle {
    color: var(--text-secondary);
}

/* Dark Theme - Gradient Text */
[data-theme="dark"] .gradient-text {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Dark Theme - Buttons */
[data-theme="dark"] .btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    box-shadow: 0 4px 15px rgba(129, 140, 248, 0.4);
}

[data-theme="dark"] .btn-primary:hover {
    box-shadow: 0 6px 20px rgba(129, 140, 248, 0.5);
}

[data-theme="dark"] .btn-secondary {
    background: var(--bg-card);
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
}

[data-theme="dark"] .btn-secondary:hover {
    background: var(--secondary-color);
    color: white;
}

[data-theme="dark"] .btn-accent {
    background: var(--bg-card);
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
}

[data-theme="dark"] .btn-accent:hover {
    background: var(--accent-color);
    color: white;
}

/* Dark Theme - Hero Button Variants */
[data-theme="dark"] .btn-apps {
    background: var(--bg-card);
    border-color: #818cf8;
    color: #818cf8;
}

[data-theme="dark"] .btn-apps:hover {
    background: #818cf8;
    border-color: #818cf8;
}

[data-theme="dark"] .btn-games {
    background: var(--bg-card);
    border-color: #a78bfa;
    color: #a78bfa;
}

[data-theme="dark"] .btn-games:hover {
    background: #a78bfa;
    border-color: #a78bfa;
}

[data-theme="dark"] .btn-tools {
    background: var(--bg-card);
    border-color: #5eead4;
    color: #5eead4;
}

[data-theme="dark"] .btn-tools:hover {
    background: #5eead4;
    border-color: #5eead4;
    color: #0f172a;
}

[data-theme="dark"] .btn-learn {
    background: var(--bg-card);
    border-color: #fb923c;
    color: #fb923c;
}

[data-theme="dark"] .btn-learn:hover {
    background: #fb923c;
    border-color: #fb923c;
    color: white;
}

/* Dark Theme - Phone Screen */
[data-theme="dark"] .phone-frame {
    background: linear-gradient(145deg, #1e293b, #0f172a);
    border: 3px solid #475569;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(99, 102, 241, 0.1),
        inset 0 1px 2px rgba(99, 102, 241, 0.1);
}

[data-theme="dark"] .phone-screen {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #db2777 100%);
    box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .phone-screen::before {
    background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.15) 0%, transparent 50%);
}

[data-theme="dark"] .phone-notch {
    background: #0f172a;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .phone-notch::before {
    background: #475569;
}

[data-theme="dark"] .phone-button {
    background: #64748b;
}

[data-theme="dark"] .launch-animation::before {
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
}

[data-theme="dark"] .rocket {
    filter: drop-shadow(0 10px 25px rgba(0, 0, 0, 0.5)) drop-shadow(0 0 20px rgba(99, 102, 241, 0.4));
}

@keyframes rocketGlowDark {
    0%, 100% {
        filter: drop-shadow(0 10px 25px rgba(0, 0, 0, 0.5)) drop-shadow(0 0 20px rgba(99, 102, 241, 0.4));
    }
    50% {
        filter: drop-shadow(0 10px 25px rgba(0, 0, 0, 0.5)) drop-shadow(0 0 30px rgba(139, 92, 246, 0.7));
    }
}

[data-theme="dark"] .rocket {
    animation: rocketGlowDark 2s ease-in-out infinite;
}

[data-theme="dark"] .rocket-container:hover .rocket {
    filter: drop-shadow(0 15px 35px rgba(99, 102, 241, 0.8)) drop-shadow(0 0 40px rgba(139, 92, 246, 0.9));
}

[data-theme="dark"] .rocket-fire {
    background: linear-gradient(to top, 
        rgba(99, 102, 241, 0) 0%,
        rgba(99, 102, 241, 0.5) 30%,
        rgba(139, 92, 246, 0.8) 60%,
        rgba(168, 85, 247, 1) 100%
    );
}

[data-theme="dark"] .brand-name {
    text-shadow: 
        0 2px 10px rgba(0, 0, 0, 0.5),
        0 0 20px rgba(99, 102, 241, 0.5),
        0 0 40px rgba(139, 92, 246, 0.3);
}

/* Dark Theme - Stats Section */
[data-theme="dark"] .stats {
    background: var(--bg-secondary);
}

/* Dark Theme - Stats Cards */
[data-theme="dark"] .stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .stat-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 10px 15px -3px rgba(129, 140, 248, 0.2);
}

[data-theme="dark"] .stat-number {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="dark"] .stat-label {
    color: var(--text-secondary);
}

/* Dark Theme - Featured Section */
[data-theme="dark"] .featured-section {
    background: var(--bg-primary);
}

[data-theme="dark"] .featured-section::before,
[data-theme="dark"] .featured-section::after {
    opacity: 0.5;
}

[data-theme="dark"] .featured-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
}

[data-theme="dark"] .featured-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 20px 25px -5px rgba(99, 102, 241, 0.3);
}

[data-theme="dark"] .featured-icon {
    background: rgba(99, 102, 241, 0.1);
}

[data-theme="dark"] .featured-icon .icon-placeholder img {
    filter: brightness(1.1);
}

[data-theme="dark"] .featured-card h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .featured-card p {
    color: var(--text-secondary);
}

[data-theme="dark"] .featured-stats {
    border-top-color: var(--border-color);
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .stat-value {
    color: var(--text-primary);
}

[data-theme="dark"] .stat-label {
    color: var(--text-secondary);
}

/* Dark Theme - Products Section */
[data-theme="dark"] .products {
    background: var(--bg-primary);
}

[data-theme="dark"] .section-title {
    color: var(--text-primary);
}

[data-theme="dark"] .section-subtitle {
    color: var(--text-secondary);
}

/* Dark Theme - Category Cards */
[data-theme="dark"] .category-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .category-card:hover {
    border-color: var(--primary-light);
    box-shadow: 0 20px 25px -5px rgba(129, 140, 248, 0.2);
}

[data-theme="dark"] .category-card h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .category-card > p {
    color: var(--text-secondary);
}

/* Dark Theme - Category Icon */
[data-theme="dark"] .category-icon {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

/* Dark Theme - Product Placeholder */
[data-theme="dark"] .product-placeholder {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .product-placeholder p {
    color: var(--text-primary);
}

[data-theme="dark"] .product-placeholder span {
    color: var(--text-light);
}

/* Dark Theme - About Section */
[data-theme="dark"] .about {
    background: var(--bg-secondary);
}

[data-theme="dark"] .about-badge {
    background: linear-gradient(135deg, rgba(129, 140, 248, 0.15) 0%, rgba(129, 140, 248, 0.25) 100%);
    color: var(--primary-light);
}

[data-theme="dark"] .about-description {
    color: var(--text-secondary);
}

/* Dark Theme - About Feature Cards */
[data-theme="dark"] .about-feature-card {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(129, 140, 248, 0.08) 100%);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .about-feature-card:hover {
    background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(129, 140, 248, 0.12) 100%);
    border-color: var(--primary-light);
    box-shadow: 0 10px 15px -3px rgba(129, 140, 248, 0.2);
}

[data-theme="dark"] .about-feature-content h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .about-feature-content p {
    color: var(--text-secondary);
}

/* Dark Theme - India Card */
[data-theme="dark"] .about-india-card {
    background: linear-gradient(135deg, rgba(255, 153, 51, 0.08) 0%, rgba(30, 41, 59, 0.6) 20%, rgba(30, 41, 59, 0.6) 80%, rgba(19, 136, 8, 0.08) 100%);
    backdrop-filter: blur(10px);
    border: 2px solid transparent;
    border-image: linear-gradient(90deg, rgba(255, 153, 51, 0.3), rgba(71, 85, 105, 0.3), rgba(19, 136, 8, 0.3)) 1;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3), 0 10px 20px rgba(0, 0, 0, 0.25);
}

[data-theme="dark"] .about-india-card::before {
    background: linear-gradient(90deg, #FF9933 0%, #475569 33%, #475569 66%, #138808 100%);
}

[data-theme="dark"] .about-india-card:hover {
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.4), 0 20px 30px rgba(0, 0, 0, 0.3);
    border-image: linear-gradient(90deg, rgba(255, 153, 51, 0.5), rgba(71, 85, 105, 0.5), rgba(19, 136, 8, 0.5)) 1;
}

[data-theme="dark"] .about-india-card h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .about-india-card p {
    color: var(--text-secondary);
}

/* Dark Theme - CTA Section */
[data-theme="dark"] .cta-background {
    background: linear-gradient(135deg, #4338ca 0%, #7c3aed 40%, #c026d3 70%, #db2777 100%);
}

[data-theme="dark"] .cta-background::before {
    background: radial-gradient(circle at 20% 50%, rgba(168, 85, 247, 0.2) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.15) 0%, transparent 50%);
}

[data-theme="dark"] .cta-background::after {
    background: linear-gradient(45deg, 
        transparent 0%, 
        rgba(168, 85, 247, 0.08) 25%, 
        transparent 50%, 
        rgba(236, 72, 153, 0.08) 75%, 
        transparent 100%);
}

[data-theme="dark"] .float-icon {
    opacity: 0.2;
    filter: drop-shadow(0 4px 12px rgba(168, 85, 247, 0.4));
}

[data-theme="dark"] .cta-pattern {
    opacity: 0.2;
}

[data-theme="dark"] .cta-btn-primary {
    background: white;
    color: #4f46e5;
}

[data-theme="dark"] .cta-btn-secondary {
    background: #db2777;
    color: white;
}

[data-theme="dark"] .cta-btn-secondary:hover {
    background: #be185d;
}

/* Dark Theme - Play Store Banner */
[data-theme="dark"] .playstore-banner {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .playstore-banner-link:hover .playstore-banner {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

/* Dark Theme - Footer */
[data-theme="dark"] .footer {
    background: var(--bg-dark);
    border-top: 1px solid var(--border-color);
}

[data-theme="dark"] .footer-brand-name {
    color: var(--text-primary);
}

[data-theme="dark"] .footer-tagline {
    color: var(--text-light);
}

[data-theme="dark"] .footer-links a {
    color: var(--text-secondary);
}

[data-theme="dark"] .footer-links a:hover {
    color: var(--primary-light);
}

[data-theme="dark"] .footer-bottom p {
    color: var(--text-light);
}

[data-theme="dark"] .footer-legal a {
    color: var(--text-light);
}

[data-theme="dark"] .footer-legal a:hover {
    color: var(--primary-light);
}

/* Dark Theme - Mobile Footer Buttons */
@media (max-width: 768px) {
    [data-theme="dark"] .footer-links a {
        background: rgba(99, 102, 241, 0.1);
        border-color: rgba(99, 102, 241, 0.3);
        color: var(--text-primary);
    }
    
    [data-theme="dark"] .footer-links a:hover {
        background: rgba(99, 102, 241, 0.2);
        border-color: rgba(99, 102, 241, 0.5);
        color: var(--primary-light);
    }
    
    /* Keep legal links simple - no button style */
    [data-theme="dark"] .footer-legal a {
        background: none;
        border: none;
        color: var(--text-light);
    }
    
    [data-theme="dark"] .footer-legal a:hover {
        background: none;
        color: var(--primary-light);
    }
}

/* Theme Switcher Styles */
.theme-switcher {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.theme-switcher-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

.theme-options {
    display: flex;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    padding: 4px;
    border-radius: 12px;
}

.theme-option {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 8px;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-primary);
}

.theme-option:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.theme-option.active {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.theme-icon {
    width: 16px;
    height: 16px;
}

/* Smooth transitions for theme changes */
body {
    transition: background-color 0.3s ease, color 0.3s ease;
}

.navbar,
.hero-background,
.stat-card,
.category-card,
.about,
.about-feature-card,
.contact-card,
.social-icon,
.cta-background,
.footer {
    transition: background 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
}

h1, h2, h3, h4, h5, h6, p, a, span, div {
    transition: color 0.3s ease;
}

/* Responsive Theme Switcher */
@media (max-width: 768px) {
    .theme-switcher {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .theme-options {
        width: 100%;
        justify-content: space-between;
    }
    
    .theme-option {
        flex: 1;
        justify-content: center;
        padding: 10px 12px;
        font-size: 13px;
    }
    
    .theme-option span {
        display: none;
    }
    
    .theme-icon {
        width: 18px;
        height: 18px;
    }
}

@media (max-width: 480px) {
    .theme-option {
        padding: 12px;
    }
}