/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Theme Variables - Dark (Default) */
    --primary: #8B5CF6;
    --primary-dark: #7C3AED;
    --primary-light: #A78BFA;
    --secondary: #10B981;
    --accent: #F59E0B;
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    
    /* Glass Morphism Colors */
    --glass-bg: rgba(15, 23, 42, 0.85);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --glass-blur: blur(20px);
    
    /* Text Colors */
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    
    /* Background Colors */
    --bg-primary: #0F172A;
    --bg-secondary: #1E293B;
    --bg-tertiary: #334155;
    
    /* Golden Colors */
    --gold: #FFD700;
    --gold-light: #FFF9C4;
    --gold-dark: #D4AF37;
    --gold-gradient: linear-gradient(135deg, #FFD700 0%, #D4AF37 100%);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary) 0%, #34D399 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent) 0%, #FBBF24 100%);
    --gradient-gold: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.3);
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Light Theme */
.light-theme {
    --primary: #6366F1;
    --primary-dark: #4F46E5;
    --primary-light: #818CF8;
    --secondary: #06D6A0;
    --accent: #FF6B6B;
    
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(0, 0, 0, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    
    --text-primary: #1E293B;
    --text-secondary: #475569;
    --text-muted: #64748B;
    
    --bg-primary: #F8FAFC;
    --bg-secondary: #F1F5F9;
    --bg-tertiary: #E2E8F0;
}

/* Gold Theme */
.gold-theme {
    --primary: #D4AF37;
    --primary-dark: #B8860B;
    --primary-light: #FFD700;
    --secondary: #C0AA6D;
    --accent: #E5B80B;
    
    --glass-bg: rgba(26, 20, 0, 0.85);
    --glass-border: rgba(212, 175, 55, 0.2);
    
    --text-primary: #FFF9C4;
    --text-secondary: #FFE082;
    --text-muted: #FFD54F;
    
    --bg-primary: #1A1400;
    --bg-secondary: #2A2200;
    --bg-tertiary: #3A3000;
}

/* Purple Theme */
.purple-theme {
    --primary: #9333EA;
    --primary-dark: #7C3AED;
    --primary-light: #A855F7;
    --secondary: #8B5CF6;
    --accent: #EC4899;
    
    --glass-bg: rgba(30, 0, 40, 0.85);
    --glass-border: rgba(147, 51, 234, 0.2);
    
    --text-primary: #F3E8FF;
    --text-secondary: #E9D5FF;
    --text-muted: #D8B4FE;
    
    --bg-primary: #1E0028;
    --bg-secondary: #2D0040;
    --bg-tertiary: #3C0058;
}

/* Base Styles */
body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: var(--transition-normal);
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    width: 100%;
}

/* Remove text decoration for all links */
a {
    text-decoration: none;
}

/* Glass Morphism Base */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    transition: var(--transition-normal);
}

.premium-card {
    border: 2px solid rgba(255, 215, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.premium-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gold-gradient);
}

.premium-card.golden {
    border-color: var(--gold);
    box-shadow: 0 0 30px rgba(255, 215, 0, 0.2);
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: var(--space-md);
    right: var(--space-md);
    display: flex;
    gap: var(--space-xs);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    padding: var(--space-xs);
    z-index: 1001;
}

.theme-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-normal);
    font-size: 0.875rem;
    white-space: nowrap;
}

.theme-btn.active {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.theme-btn:hover:not(.active) {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

/* Badges */
.badge-premium {
    background: var(--gold-gradient);
    color: #000;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    margin-left: var(--space-xs);
}

.badge-live {
    background: var(--gradient-secondary);
    color: white;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 600;
    margin-left: var(--space-xs);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.7; }
    100% { opacity: 1; }
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    position: fixed;
    top: var(--space-md);
    left: var(--space-md);
    z-index: 1002;
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

/* Mobile Navigation */
.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    z-index: 1003;
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 280px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border-right: 1px solid var(--glass-border);
    z-index: 1004;
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
    overflow-y: auto;
}

.mobile-nav.open {
    transform: translateX(0);
}

.mobile-nav-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.mobile-nav-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}

.mobile-nav-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

.mobile-nav-links {
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.mobile-nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
}

.mobile-nav-link i {
    width: 20px;
    text-align: center;
}

.mobile-support-btn {
    background: var(--gradient-secondary);
    color: white;
    margin-top: var(--space-lg);
}

.mobile-nav-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--glass-border);
    margin-top: auto;
}

.mobile-theme-toggle {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.mobile-theme-toggle span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.mobile-theme-buttons {
    display: flex;
    gap: var(--space-xs);
}

.mobile-theme-btn {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.mobile-theme-btn.active {
    background: var(--gradient-primary);
    color: white;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
}

.nav-links {
    display: flex;
    gap: var(--space-xl);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition-normal);
    padding: var(--space-xs) 0;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-normal);
    border-radius: var(--radius-full);
}

.nav-link:hover::after {
    width: 100%;
}

.support-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--gradient-secondary);
    color: white;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: var(--transition-normal);
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

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

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    margin-top: 60px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: min(600px, 100%);
    height: min(600px, 100%);
    background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
    filter: blur(60px);
}

.floating-element {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.3;
    pointer-events: none;
}

.fe-1 {
    width: 200px;
    height: 200px;
    background: var(--primary);
    top: 20%;
    left: 10%;
    animation: float 20s ease-in-out infinite;
}

.fe-2 {
    width: 300px;
    height: 300px;
    background: var(--secondary);
    bottom: 20%;
    right: 10%;
    animation: float 25s ease-in-out infinite reverse;
}

.fe-3 {
    width: 150px;
    height: 150px;
    background: var(--accent);
    top: 50%;
    left: 80%;
    animation: float 18s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(120deg); }
    66% { transform: translateY(20px) rotate(240deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    border: 1px solid var(--glass-border);
    margin-bottom: var(--space-lg);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding: 0 var(--space-sm);
}

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

.hero-description {
    font-size: clamp(1rem, 3vw, 1.25rem);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 var(--space-md);
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
    padding: 0 var(--space-md);
}

.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    min-width: 140px;
    justify-content: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: clamp(var(--space-lg), 4vw, var(--space-2xl));
    margin-top: var(--space-xl);
    flex-wrap: wrap;
    padding: 0 var(--space-md);
}

.stat {
    text-align: center;
    min-width: 120px;
}

.stat-number {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-xs);
}

.stat-label {
    color: var(--text-secondary);
    font-size: clamp(0.75rem, 2vw, 0.875rem);
    font-weight: 500;
}

/* Support Section */
.support-section {
    padding: var(--space-2xl) 0;
}

.support-card {
    padding: var(--space-xl);
    margin: 0 var(--space-md);
}

.support-content {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    flex-direction: column;
    text-align: center;
}

.support-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-accent);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.75rem;
    flex-shrink: 0;
}

.support-text h2 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.support-text p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: clamp(0.875rem, 2.5vw, 1rem);
}

.support-btn-primary {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--gradient-accent);
    color: white;
    border: none;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    margin-top: var(--space-md);
}

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

.donation-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--space-md);
}

.donation-option {
    padding: var(--space-lg);
    text-align: center;
    cursor: pointer;
    transition: var(--transition-normal);
    min-height: 100px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.donation-option.active {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-2px);
}

.donation-option:hover:not(.active) {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.option-amount {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.option-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.donation-option.active .option-label {
    color: white;
}

/* Services Section */
.services-section {
    padding: var(--space-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-xl);
    padding: 0 var(--space-md);
}

.section-header h2 {
    font-size: clamp(1.75rem, 5vw, 3rem);
    margin-bottom: var(--space-sm);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.section-header p {
    color: var(--text-secondary);
    font-size: clamp(0.875rem, 2.5vw, 1.125rem);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.categories-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    padding: 0 var(--space-md);
}

.category-section {
    padding: var(--space-lg);
}

.category-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    flex-direction: column;
    text-align: center;
}

.category-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-bottom: var(--space-sm);
}

.category-title {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    color: var(--text-primary);
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
}

.plan-card {
    padding: var(--space-lg);
    position: relative;
    display: flex;
    flex-direction: column;
}

.plan-card.popular {
    border-color: var(--gold);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.1);
}

.plan-card.popular::after {
    content: 'MOST POPULAR';
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: var(--gold-gradient);
    color: #000;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    white-space: nowrap;
}

.plan-header {
    margin-bottom: var(--space-lg);
}

.plan-name {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
    line-height: 1.2;
}

.plan-price {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--primary);
    margin-bottom: var(--space-xs);
    line-height: 1;
}

.plan-price span {
    font-size: 1rem;
    color: var(--text-secondary);
}

.plan-duration {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.plan-features {
    list-style: none;
    margin-bottom: var(--space-lg);
    flex-grow: 1;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.plan-features li i.fa-check {
    color: var(--success);
    min-width: 16px;
}

.plan-features li i.fa-times {
    color: var(--error);
    opacity: 0.5;
    min-width: 16px;
}

.subscribe-btn {
    width: 100%;
    padding: var(--space-md);
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    margin-top: auto;
}

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

/* Collaboration Section */
.collaboration-section {
    padding: var(--space-2xl) 0;
}

.collaboration-card {
    padding: var(--space-xl);
    margin: 0 var(--space-md);
}

.collaboration-header {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    text-align: center;
    justify-content: center;
    flex-direction: column;
}

.collab-icon {
    width: 70px;
    height: 70px;
    background: var(--gold-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
    font-size: 1.75rem;
    margin-bottom: var(--space-lg);
}

.collab-title h3 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
    line-height: 1.2;
}

.collab-title p {
    color: var(--text-secondary);
    font-size: clamp(0.875rem, 2.5vw, 1.125rem);
}

.collaboration-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
}

.collab-option {
    padding: var(--space-lg);
    text-align: center;
    position: relative;
    display: flex;
    flex-direction: column;
}

.collab-option.golden {
    border-color: var(--gold);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gold-gradient);
    color: #000;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    white-space: nowrap;
}

.collab-type {
    margin-bottom: var(--space-lg);
}

.collab-type i {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--space-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.collab-option.golden .collab-type i {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.collab-type h4 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
    line-height: 1.2;
}

.collab-price {
    margin-bottom: var(--space-lg);
}

.collab-price .price {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--primary);
    display: block;
    line-height: 1;
}

.collab-option.golden .collab-price .price {
    color: var(--gold);
}

.collab-price .duration {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.collab-highlight {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    background: rgba(255, 215, 0, 0.1);
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    color: var(--gold);
    font-weight: 600;
    font-size: 0.875rem;
}

.collab-features {
    list-style: none;
    margin-bottom: var(--space-lg);
    text-align: left;
    flex-grow: 1;
}

.collab-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.collab-features li i {
    color: var(--success);
    min-width: 16px;
}

.collab-btn {
    width: 100%;
    padding: var(--space-md);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    margin-top: auto;
}

.collab-btn {
    background: var(--gradient-primary);
    color: white;
}

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

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

/* Features Section */
.features-section {
    padding: var(--space-2xl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
    padding: 0 var(--space-md);
}

.feature-card {
    padding: var(--space-lg);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.75rem;
    margin: 0 auto var(--space-lg);
}

.feature-card h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
    line-height: 1.2;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.875rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
}

.modal-container {
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    border-radius: var(--radius-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--glass-border);
}

.modal-header h3 {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-primary);
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    line-height: 1.2;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--space-lg);
}

/* Form Styles */
.payment-form, .donation-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.plan-summary-card {
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1;
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    font-size: 0.875rem;
}

.form-group input,
.form-group textarea {
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    transition: var(--transition-normal);
    font-size: 1rem;
    width: 100%;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.input-note {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

.donation-hero {
    text-align: center;
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.donation-hero i {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--space-md);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.donation-hero p {
    color: var(--text-secondary);
    font-size: clamp(0.875rem, 2.5vw, 1.125rem);
    line-height: 1.6;
}

.amount-section label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    font-size: 0.875rem;
}

.amount-input-container {
    position: relative;
    margin-bottom: var(--space-lg);
}

.currency {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-weight: 600;
}

.amount-input-container input {
    width: 100%;
    padding: var(--space-md) var(--space-md) var(--space-md) 60px;
    font-size: 1.25rem;
    font-weight: 700;
}

.amount-suggestions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.amount-suggestion {
    padding: var(--space-md);
    text-align: center;
    cursor: pointer;
    transition: var(--transition-normal);
    font-size: 0.875rem;
}

.amount-suggestion:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* Buttons */
.payment-btn, .donation-submit-btn {
    width: 100%;
    padding: var(--space-lg);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.payment-btn {
    background: var(--gradient-primary);
    color: white;
}

.donation-submit-btn {
    background: var(--gradient-accent);
    color: white;
}

.payment-btn:hover, .donation-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-content {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.btn-loading {
    display: none;
}

.payment-result {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-top: var(--space-lg);
    display: none;
    text-align: center;
    font-size: 0.875rem;
}

.payment-result.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.payment-result.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: var(--space-2xl) 0 var(--space-lg);
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
    padding: 0 var(--space-md);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.footer-brand p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
    max-width: 300px;
    font-size: 0.875rem;
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-normal);
    font-size: 1rem;
}

.social-link:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-2px);
}

.footer-column h4 {
    color: var(--text-primary);
    font-size: 1.125rem;
    margin-bottom: var(--space-lg);
    font-weight: 600;
}

.footer-column a {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--space-xs) 0;
    transition: var(--transition-normal);
    font-size: 0.875rem;
}

.footer-column a:hover {
    color: var(--text-primary);
    transform: translateX(5px);
}

.footer-contact h4 {
    color: var(--text-primary);
    font-size: 1.125rem;
    margin-bottom: var(--space-lg);
    font-weight: 600;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--space-xs) 0;
    transition: var(--transition-normal);
    font-size: 0.875rem;
}

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

.payment-methods {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    flex-wrap: wrap;
}

.payment-icon {
    padding: var(--space-xs) var(--space-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.footer-bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.75rem;
    padding: var(--space-lg) var(--space-md) 0;
}

.footer-legal {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-top: var(--space-md);
    flex-wrap: wrap;
}

.footer-legal a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-normal);
    font-size: 0.75rem;
}

.footer-legal a:hover {
    color: var(--text-primary);
}

/* Responsive Design - Mobile First */

/* Small phones (portrait) */
@media (max-width: 360px) {
    :root {
        --space-xs: 0.375rem;
        --space-sm: 0.5rem;
        --space-md: 0.75rem;
        --space-lg: 1rem;
        --space-xl: 1.5rem;
        --space-2xl: 2rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .btn-primary, .btn-secondary {
        padding: var(--space-sm) var(--space-lg);
        min-width: 120px;
    }
    
    .hero-stats .stat {
        min-width: 100px;
    }
    
    .donation-options {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .plans-grid,
    .features-grid,
    .collaboration-options {
        grid-template-columns: 1fr;
    }
}

/* Phones (landscape) and small tablets */
@media (min-width: 576px) {
    .container {
        padding: 0 var(--space-xl);
    }
    
    .hero {
        padding: 120px 0 100px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: row;
    }
    
    .support-content {
        flex-direction: row;
        text-align: left;
    }
    
    .support-btn-primary {
        margin-top: 0;
    }
    
    .category-header {
        flex-direction: row;
        text-align: left;
    }
    
    .category-icon {
        margin-bottom: 0;
    }
    
    .collaboration-header {
        flex-direction: row;
    }
    
    .collab-icon {
        margin-bottom: 0;
    }
    
    .form-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-content {
        grid-template-columns: 2fr 1fr;
    }
}

/* Tablets and small laptops */
@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
    
    .hero {
        margin-top: 70px;
        padding: 160px 0 120px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
    
    .section-header h2 {
        font-size: 2.5rem;
    }
    
    .support-card,
    .collaboration-card {
        margin: 0;
    }
    
    .categories-container,
    .features-grid {
        padding: 0;
    }
    
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr;
    }
    
    .form-grid .form-group.full-width {
        grid-column: 1 / -1;
    }
}

/* Laptops and desktops */
@media (min-width: 992px) {
    .hero {
        padding: 180px 0 140px;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-description {
        font-size: 1.25rem;
    }
    
    .section-header h2 {
        font-size: 3rem;
    }
    
    .plans-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .collaboration-options {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .donation-options {
        grid-template-columns: repeat(6, 1fr);
    }
}

/* Large desktops */
@media (min-width: 1200px) {
    .hero {
        padding: 200px 0 160px;
    }
    
    .container {
        padding: 0;
    }
    
    .nav-container {
        padding: 0;
    }
}

/* High DPI screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .glass-card {
        backdrop-filter: blur(40px);
        -webkit-backdrop-filter: blur(40px);
    }
}

/* Print styles */
@media print {
    .theme-toggle,
    .mobile-menu-btn,
    .support-btn,
    .subscribe-btn,
    .collab-btn,
    .modal,
    .hero-glow,
    .floating-element {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .glass-card {
        background: white !important;
        border: 1px solid #ddd !important;
        box-shadow: none !important;
        backdrop-filter: none !important;
    }
    
    .hero {
        background: white !important;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .floating-element {
        animation: none !important;
    }
    
    .badge-live {
        animation: none !important;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn-primary,
    .btn-secondary,
    .support-btn,
    .subscribe-btn,
    .collab-btn,
    .donation-option,
    .amount-suggestion,
    .nav-link {
        min-height: 44px;
    }
    
    .mobile-menu-btn,
    .modal-close,
    .theme-btn,
    .mobile-theme-btn,
    .mobile-nav-close {
        min-width: 44px;
        min-height: 44px;
    }
    
    .form-group input,
    .form-group textarea {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    /* Remove hover effects on touch devices */
    .btn-primary:hover,
    .btn-secondary:hover,
    .support-btn:hover,
    .subscribe-btn:hover,
    .collab-btn:hover,
    .donation-option:hover,
    .amount-suggestion:hover,
    .nav-link:hover,
    .feature-card:hover {
        transform: none !important;
    }
}