/* ============================================
   Follow4Follow - PREMIUM Landing Page Design
   World-Class UI/UX with Advanced Design System
   ============================================ */

/* ============================================
   Google Fonts Import - Premium Typography
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ============================================
   CSS Custom Properties - Premium Light Theme
   ============================================ */
:root {
    /* Primary Color Palette - Sophisticated Blues & Purples */
    --primary-900: #1a1f37;
    --primary-800: #2a3254;
    --primary-700: #3d4876;
    --primary-600: #5561a8;
    --primary-500: #6c7dd9;
    --primary-400: #8b97e3;
    --primary-300: #a7b0ed;
    --primary-200: #c4cbf5;
    --primary-100: #e1e5fb;
    
    /* Accent Colors - Vibrant Gradients */
    --accent-purple: #7c3aed;
    --accent-blue: #2563eb;
    --accent-cyan: #06b6d4;
    --accent-teal: #14b8a6;
    --accent-green: #10b981;
    --accent-pink: #ec4899;
    
    /* Neutral Palette */
    --neutral-50: #fafafa;
    --neutral-100: #f5f5f5;
    --neutral-200: #e5e5e5;
    --neutral-300: #d4d4d4;
    --neutral-400: #a3a3a3;
    --neutral-500: #737373;
    --neutral-600: #525252;
    --neutral-700: #404040;
    --neutral-800: #262626;
    --neutral-900: #171717;
    
    /* Semantic Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #fafafa;
    --bg-tertiary: #f5f5f5;
    --text-primary: #171717;
    --text-secondary: #525252;
    --text-tertiary: #737373;
    
    /* Advanced Gradients */
    --gradient-primary: linear-gradient(135deg, #6c7dd9 0%, #8b97e3 50%, #a7b0ed 100%);
    --gradient-vibrant: linear-gradient(135deg, #7c3aed 0%, #2563eb 50%, #06b6d4 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #14b8a6 100%);
    --gradient-warm: linear-gradient(135deg, #ec4899 0%, #f97316 100%);
    
    /* Mesh Gradients for Backgrounds */
    --gradient-mesh: 
        radial-gradient(at 0% 0%, rgba(124, 58, 237, 0.08) 0px, transparent 50%),
        radial-gradient(at 50% 0%, rgba(37, 99, 235, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(6, 182, 212, 0.08) 0px, transparent 50%),
        radial-gradient(at 0% 50%, rgba(16, 185, 129, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 50%, rgba(236, 72, 153, 0.08) 0px, transparent 50%),
        radial-gradient(at 0% 100%, rgba(124, 58, 237, 0.08) 0px, transparent 50%),
        radial-gradient(at 50% 100%, rgba(37, 99, 235, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(6, 182, 212, 0.08) 0px, transparent 50%);
    
    /* Shadows - Layered Depth */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-colored: 0 20px 50px -12px rgba(108, 125, 217, 0.3);
    
    /* Glass Effect - Premium */
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px rgba(31, 38, 135, 0.15);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;
}

/* ============================================
   Dark Theme - Premium
   ============================================ */
[data-theme="dark"] {
    /* Dark Palette */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --text-primary: #fafafa;
    --text-secondary: #a3a3a3;
    --text-tertiary: #737373;
    
    /* Vibrant accents for dark mode */
    --primary-500: #8b97e3;
    --accent-purple: #a78bfa;
    --accent-blue: #60a5fa;
    --accent-cyan: #22d3ee;
    --accent-teal: #2dd4bf;
    --accent-green: #34d399;
    
    /* Dark Gradients */
    --gradient-primary: linear-gradient(135deg, #8b97e3 0%, #a7b0ed 100%);
    --gradient-vibrant: linear-gradient(135deg, #a78bfa 0%, #60a5fa 50%, #22d3ee 100%);
    
    /* Mesh Gradients for Dark */
    --gradient-mesh: 
        radial-gradient(at 0% 0%, rgba(167, 139, 250, 0.1) 0px, transparent 50%),
        radial-gradient(at 50% 0%, rgba(96, 165, 250, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(34, 211, 238, 0.1) 0px, transparent 50%),
        radial-gradient(at 0% 50%, rgba(52, 211, 153, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 50%, rgba(244, 114, 182, 0.1) 0px, transparent 50%),
        radial-gradient(at 0% 100%, rgba(167, 139, 250, 0.1) 0px, transparent 50%),
        radial-gradient(at 50% 100%, rgba(96, 165, 250, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(34, 211, 238, 0.1) 0px, transparent 50%);
    
    /* Glass Effect Dark */
    --glass-bg: rgba(17, 17, 17, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    
    /* Colored shadows for dark mode */
    --shadow-colored: 0 20px 50px -12px rgba(139, 151, 227, 0.4);
}

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

body.landing-page {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

/* Smooth transitions for theme change */
body, 
.navbar-landing,
.feature-card,
.pricing-card,
.stat-card,
.faq-item,
button,
a {
    transition: background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   Premium Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

.display-text {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

/* ============================================
   Premium Navigation
   ============================================ */
.navbar-landing {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
}

.navbar-brand h4 {
    background: var(--gradient-vibrant);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--font-display);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 1rem !important;
    margin: 0 0.25rem;
    border-radius: var(--radius-md);
    position: relative;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover {
    color: var(--text-primary) !important;
    background: var(--bg-tertiary);
}

.nav-link.active {
    color: var(--text-primary) !important;
    background: var(--bg-tertiary);
}

/* Premium Theme Toggle */
.theme-toggle-btn {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    border: 1px solid var(--neutral-200);
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .theme-toggle-btn {
    border-color: var(--neutral-700);
}

.theme-toggle-btn:hover {
    transform: scale(1.1) rotate(15deg);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-500);
}

/* Premium Buttons */
.btn-primary-gradient {
    background: var(--gradient-vibrant);
    border: none;
    color: white;
    font-weight: 600;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-colored);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
}

.btn-primary-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0) 100%);
    opacity: 0;
    transition: opacity 0.3s;
}

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

.btn-primary-gradient:hover::before {
    opacity: 1;
}

.btn-outline-premium {
    background: transparent;
    border: 2px solid var(--neutral-200);
    color: var(--text-primary);
    font-weight: 600;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-lg);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

[data-theme="dark"] .btn-outline-premium {
    border-color: var(--neutral-700);
}

.btn-outline-premium:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-500);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   Premium Hero Section
   ============================================ */
.hero-section {
    position: relative;
    padding: 140px 0 100px;
    overflow: hidden;
    background: var(--bg-primary);
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-mesh);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.gradient-text {
    background: var(--gradient-vibrant);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% auto;
    animation: gradient-flow 3s linear infinite;
}

@keyframes gradient-flow {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
}

/* Floating Orbs */
.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.5;
    animation: float-orb 20s ease-in-out infinite;
    pointer-events: none;
}

.hero-orb-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.4) 0%, transparent 70%);
    top: -200px;
    left: -100px;
    animation-delay: 0s;
}

.hero-orb-2 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.4) 0%, transparent 70%);
    top: -150px;
    right: -100px;
    animation-delay: 2s;
}

.hero-orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.4) 0%, transparent 70%);
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: 4s;
}

@keyframes float-orb {
    0%, 100% { 
        transform: translate(0, 0) scale(1);
    }
    33% { 
        transform: translate(30px, -30px) scale(1.1);
    }
    66% { 
        transform: translate(-30px, 30px) scale(0.9);
    }
}

/* ============================================
   Premium Statistics Section
   ============================================ */
.stats-section {
    padding: 80px 0;
    position: relative;
    z-index: 3;
    margin-top: -50px;
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--shadow-xl);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-vibrant);
    transform: scaleX(0);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.5rem;
    border-radius: var(--radius-lg);
    background: var(--gradient-vibrant);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
    box-shadow: var(--shadow-colored);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-vibrant);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    font-family: var(--font-display);
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ============================================
   Premium Feature Cards (Bento Grid Style)
   ============================================ */
.features-section {
    padding: 120px 0;
    background: var(--bg-secondary);
    position: relative;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--primary-100);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-600);
    margin-bottom: 1rem;
}

[data-theme="dark"] .section-badge {
    background: rgba(139, 151, 227, 0.15);
    color: var(--primary-400);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    margin-bottom: 4rem;
}

.feature-card {
    background: var(--bg-primary);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-2xl);
    padding: 2.5rem;
    height: 100%;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .feature-card {
    border-color: var(--neutral-800);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-mesh);
    opacity: 0;
    transition: opacity 0.4s;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-300);
}

[data-theme="dark"] .feature-card:hover {
    border-color: var(--primary-600);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 72px;
    height: 72px;
    margin-bottom: 1.5rem;
    border-radius: var(--radius-xl);
    background: var(--gradient-vibrant);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    box-shadow: var(--shadow-colored);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    z-index: 1;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(-5deg);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}

.feature-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* ============================================
   Premium Pricing Cards
   ============================================ */
.pricing-section {
    padding: 120px 0;
    background: var(--bg-primary);
    position: relative;
	overflow: hidden;
}

.pricing-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-mesh);
    opacity: 0.5;
}

.pricing-toggle {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 4rem;
    position: relative;
    z-index: 1;
}

.toggle-switch {
    position: relative;
    width: 72px;
    height: 36px;
    background: var(--neutral-200);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .toggle-switch {
    background: var(--neutral-800);
}

.toggle-switch.active {
    background: var(--gradient-vibrant);
}

.toggle-slider {
    position: absolute;
    top: 4px;
    left: 4px;
    width: 28px;
    height: 28px;
    background: white;
    border-radius: 50%;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: var(--shadow-md);
}

.toggle-switch.active .toggle-slider {
    transform: translateX(36px);
}

.pricing-card {
    background: var(--bg-primary);
    border: 2px solid var(--neutral-200);
    border-radius: var(--radius-2xl);
    padding: 3rem;
    position: relative;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    height: 100%;
    overflow: hidden;
}

[data-theme="dark"] .pricing-card {
    border-color: var(--neutral-800);
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-mesh);
    opacity: 0;
    transition: opacity 0.4s;
}

.pricing-card:hover::before {
    opacity: 1;
}

.pricing-card.featured {
    border-width: 2px;
    border-image: linear-gradient(135deg, #7c3aed, #2563eb, #06b6d4) 1;
    background: linear-gradient(var(--bg-primary), var(--bg-primary)) padding-box,
                var(--gradient-vibrant) border-box;
    box-shadow: var(--shadow-2xl);
    transform: scale(1.05);
}

.pricing-card.featured::after {
    content: 'MOST POPULAR';
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-vibrant);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    box-shadow: var(--shadow-colored);
}

.pricing-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-400);
}

.pricing-card.featured:hover {
    transform: translateY(-12px) scale(1.05);
}

.pricing-tier {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
    z-index: 1;
}

.pricing-amount {
    font-size: 4rem;
    font-weight: 800;
    background: var(--gradient-vibrant);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    font-family: var(--font-display);
    line-height: 1;
    position: relative;
    z-index: 1;
}

.pricing-amount span {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.pricing-period {
    color: var(--text-tertiary);
    margin-bottom: 2rem;
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 2.5rem 0;
    position: relative;
    z-index: 1;
}

.pricing-features li {
    padding: 0.875rem 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.875rem;
    font-size: 0.95rem;
}

.pricing-features li::before {
    content: '✓';
    width: 24px;
    height: 24px;
    background: var(--gradient-success);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-weight: 700;
    font-size: 0.875rem;
}

.pricing-btn {
    width: 100%;
    padding: 1rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    z-index: 1;
}

/* ============================================
   Premium FAQ Section
   ============================================ */
.faq-section {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.faq-item {
    background: var(--bg-primary);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-xl);
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] .faq-item {
    border-color: var(--neutral-800);
}

.faq-item:hover {
    border-color: var(--primary-300);
    box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .faq-item:hover {
    border-color: var(--primary-600);
}

.faq-question {
    padding: 1.5rem 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--text-primary);
    transition: all 0.3s;
}

.faq-question:hover {
    background: var(--bg-secondary);
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--primary-500);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
                padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-secondary);
    padding: 0 2rem;
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 2rem 1.5rem;
}

/* ============================================
   Premium Footer
   ============================================ */
.custom-footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--neutral-200);
    padding: 80px 0 40px;
    position: relative;
}

[data-theme="dark"] .custom-footer {
    border-color: var(--neutral-800);
}

.custom-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-mesh);
    opacity: 0.3;
    pointer-events: none;
}

.footer-brand {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-vibrant);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--font-display);
}

.social-link {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 1px solid var(--neutral-200);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    font-size: 1.125rem;
}

[data-theme="dark"] .social-link {
    border-color: var(--neutral-800);
}

.social-link:hover {
    background: var(--gradient-vibrant);
    color: white;
    border-color: transparent;
    transform: translateY(-4px) rotate(5deg);
    box-shadow: var(--shadow-colored);
}

/* ============================================
   Scroll Animations
   ============================================ */
.scroll-fade {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-fade.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Back to Top Button
   ============================================ */
#back-to-top {
    background: var(--bg-primary) !important;
    border: 2px solid var(--neutral-200) !important;
    box-shadow: var(--shadow-xl) !important;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
}

[data-theme="dark"] #back-to-top {
    border-color: var(--neutral-700) !important;
}

#back-to-top:hover {
    background: var(--gradient-vibrant) !important;
    border-color: transparent !important;
    transform: translateY(-8px) !important;
    box-shadow: var(--shadow-2xl) !important;
}

#back-to-top:hover i {
    color: white !important;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-12px) scale(1);
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding: 100px 0 80px;
    }
    
    .stats-section {
        padding: 60px 0;
        margin-top: -30px;
    }
    
    .features-section,
    .pricing-section,
    .faq-section {
        padding: 80px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .pricing-amount {
        font-size: 3rem;
    }
    
    .pricing-card {
        padding: 2rem;
        margin-bottom: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
}

@media (max-width: 576px) {
    .navbar-landing {
        padding: 0.75rem 0;
    }
    
    .stat-card {
        padding: 2rem 1.5rem;
    }
    
    .feature-card {
        padding: 2rem 1.5rem;
    }
    
    .faq-question {
        padding: 1.25rem 1.5rem;
        font-size: 1rem;
    }
    
    .theme-toggle-btn {
        width: 40px;
        height: 40px;
    }
}