@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');

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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #8b5cf6;
    --accent: #ec4899;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-glass: rgba(255, 255, 255, 0.8);
    --bg-glass-hover: rgba(255, 255, 255, 0.95);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    --gradient-secondary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-light: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    --gradient-soft: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.2);
    --shadow-colored: 0 10px 40px rgba(99, 102, 241, 0.15);
    
    --border-radius: 1rem;
    --border-radius-lg: 1.5rem;
    --border-radius-xl: 2rem;
    
    --border-color: rgba(226, 232, 240, 0.8);
    --border-hover: rgba(99, 102, 241, 0.3);
}

/* Dark theme variables */
[data-theme="dark"] {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #8b5cf6;
    --accent: #ec4899;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-glass: rgba(30, 41, 59, 0.8);
    --bg-glass-hover: rgba(30, 41, 59, 0.95);
    
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    --gradient-primary: linear-gradient(135deg, #1e3a8a 0%, #312e81 50%, #581c87 100%);
    --gradient-secondary: linear-gradient(135deg, #1e40af 0%, #312e81 50%, #6b21a8 100%);
    --gradient-accent: linear-gradient(135deg, #312e81 0%, #581c87 100%);
    --gradient-light: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    --gradient-soft: linear-gradient(135deg, #334155 0%, #1e293b 100%);
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.3);
    --shadow-colored: 0 10px 40px rgba(99, 102, 241, 0.2);
    
    --border-color: rgba(51, 65, 85, 0.8);
    --border-hover: rgba(99, 102, 241, 0.5);
}

[data-theme="dark"] body::before {
    background: 
        radial-gradient(circle at 20% 30%, rgba(30, 58, 138, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(49, 46, 129, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(88, 28, 135, 0.1) 0%, transparent 50%);
}

[data-theme="dark"] body::after {
    background-image: 
        radial-gradient(2px 2px at 20% 30%, rgba(99, 102, 241, 0.15), transparent),
        radial-gradient(2px 2px at 60% 70%, rgba(139, 92, 246, 0.15), transparent),
        radial-gradient(1px 1px at 50% 50%, rgba(236, 72, 153, 0.1), transparent);
}

/* Dark theme for header */
[data-theme="dark"] .header {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .header.scrolled {
    background: var(--bg-glass);
    box-shadow: var(--shadow-md);
}

[data-theme="dark"] .nav-container {
    background: transparent;
}

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

[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.active {
    color: var(--primary-light);
}

[data-theme="dark"] .btn-outline {
    background: var(--bg-glass);
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .btn-outline:hover {
    background: var(--bg-glass-hover);
    border-color: var(--primary);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Animated background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(236, 72, 153, 0.05) 0%, transparent 50%);
    animation: backgroundShift 20s ease infinite;
    z-index: -1;
    pointer-events: none;
}

@keyframes backgroundShift {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

/* Floating particles */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, rgba(99, 102, 241, 0.1), transparent),
        radial-gradient(2px 2px at 60% 70%, rgba(139, 92, 246, 0.1), transparent),
        radial-gradient(1px 1px at 50% 50%, rgba(236, 72, 153, 0.08), transparent);
    background-size: 200% 200%;
    animation: particleFloat 30s linear infinite;
    z-index: -1;
    pointer-events: none;
}

@keyframes particleFloat {
    0% { background-position: 0% 0%; }
    100% { background-position: 100% 100%; }
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    letter-spacing: -0.5px;
    position: relative;
    transition: all 0.3s ease;
}

.logo::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.logo:hover::after {
    width: 100%;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

.nav-links a:hover::before {
    width: 100%;
}

.nav-links a.active {
    color: var(--primary);
    font-weight: 600;
}

.nav-links a.active::before {
    width: 100%;
}

.nav-links a.btn.active {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-colored);
}

/* Buttons */
.btn {
    padding: 0.875rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    font-family: 'Inter', sans-serif;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-colored);
    position: relative;
    z-index: 1;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(99, 102, 241, 0.3);
}

.btn-outline {
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Hero Section */
.hero {
    padding: 8rem 2rem 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-light);
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease-out;
}

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

.hero h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    background: linear-gradient(135deg, #0f172a 0%, #475569 50%, #6366f1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -2px;
    position: relative;
}

.hero h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
    animation: expandLine 1s ease-out 0.5s both;
}

@keyframes expandLine {
    from { width: 0; }
    to { width: 100px; }
}

.hero p {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.8;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

/* Features Section */
.features {
    padding: 8rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-xl);
    margin-top: 4rem;
    margin-bottom: 4rem;
}

.section-title {
    text-align: center;
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #0f172a 0%, #475569 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 1.25rem;
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.feature-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-colored);
    background: var(--bg-glass-hover);
}

.feature-card:hover::before {
    opacity: 0.05;
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-colored);
    transition: all 0.3s ease;
    color: white;
    padding: 12px;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.feature-card:hover .feature-icon {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 35px rgba(99, 102, 241, 0.4);
}

.feature-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-weight: 700;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Apps Section */
.apps {
    padding: 8rem 2rem;
    background: var(--bg-primary);
    position: relative;
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 4rem auto 0;
}

.app-card {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.app-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.app-card:hover {
    transform: translateY(-10px) scale(1.05);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-colored);
    background: var(--bg-glass-hover);
}

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

.app-icon {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 10px 20px rgba(99, 102, 241, 0.2));
    transition: transform 0.3s ease;
}

.app-card:hover .app-icon {
    transform: scale(1.2) rotate(5deg);
}

.app-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 700;
}

.app-card p {
    color: var(--text-muted);
}

/* Forms */
.form-container {
    max-width: 480px;
    margin: 4rem auto;
    padding: 3.5rem;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-xl);
    animation: fadeInUp 0.6s ease-out;
}

.form-title {
    text-align: center;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.form-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    font-size: 1.1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.checkbox-group {
    margin-bottom: 1.5rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    font-weight: 400;
    line-height: 1.6;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
    margin-top: 0.2rem;
    cursor: pointer;
    flex-shrink: 0;
}

.checkbox-label span {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.checkbox-label a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

.form-group input {
    width: 100%;
    padding: 1rem 1.25rem;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.error-message {
    color: var(--error);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: block;
}

.success-message {
    color: var(--success);
    font-size: 0.875rem;
    margin-top: 0.5rem;
    display: block;
}

.form-footer {
    text-align: center;
    margin-top: 2rem;
    color: var(--text-muted);
}

.form-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.form-footer a:hover {
    color: var(--primary-dark);
}

.btn-full {
    width: 100%;
    padding: 1.125rem;
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

/* Dashboard */
.dashboard-container {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.dashboard-header {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    padding: 3rem;
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-colored);
}

.stat-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-muted);
    margin-top: 0.5rem;
    font-size: 0.95rem;
}

.configs-list {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    padding: 2.5rem;
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.config-item {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.config-item:hover {
    background: rgba(255, 255, 255, 0.9);
    border-color: var(--border-hover);
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.config-info h4 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 600;
}

.config-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.config-actions {
    display: flex;
    gap: 0.75rem;
}

.btn-sm {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
}

.btn-danger:hover {
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

/* Pricing */
.pricing-container {
    max-width: 1400px;
    margin: 6rem auto;
    padding: 0 2rem;
}

.pricing-container h1 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.pricing-intro {
    max-width: 900px;
    margin: 3rem auto;
    padding: 2.5rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.pricing-intro h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.pricing-intro p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.pricing-intro ul {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.pricing-intro li {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.pricing-intro strong {
    color: var(--text-primary);
    font-weight: 600;
}

.pricing-faq {
    max-width: 900px;
    margin: 4rem auto 0;
    padding: 2.5rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
}

.pricing-faq h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
    text-align: center;
}

.pricing-faq .faq-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.pricing-faq .faq-item {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.pricing-faq .faq-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-weight: 600;
}

.pricing-faq .faq-item p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin: 0;
}

.pricing-faq .faq-item strong {
    color: var(--text-primary);
    font-weight: 600;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.pricing-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    padding: 3rem;
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.pricing-card:hover {
    transform: translateY(-15px) scale(1.02);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-colored);
    background: var(--bg-glass-hover);
}

.pricing-card:hover::before {
    opacity: 0.05;
}

.pricing-card.featured {
    border: 2px solid var(--primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    transform: scale(1.05);
    box-shadow: var(--shadow-colored);
}

.pricing-card.featured::before {
    opacity: 0.08;
}

.pricing-card.featured::after {
    content: 'POPULAR';
    position: absolute;
    top: 20px;
    right: -30px;
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 2.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    transform: rotate(45deg);
    box-shadow: var(--shadow-colored);
}

.pricing-name {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.pricing-price {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 1.5rem 0;
    line-height: 1;
}

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

.pricing-features {
    list-style: none;
    margin: 2.5rem 0;
}

.pricing-features li {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
}

.pricing-features li::before {
    content: '✓';
    color: var(--success);
    font-weight: bold;
    font-size: 1.25rem;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 50%;
    flex-shrink: 0;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: 4rem 2rem 2rem;
    margin-top: 6rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

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

/* Language Switcher */
.lang-switcher {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.lang-btn {
    padding: 0.5rem 1rem;
    background: var(--bg-glass);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-block;
}

.lang-btn:hover {
    background: var(--bg-glass-hover);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.lang-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
    box-shadow: var(--shadow-colored);
}

/* Theme switcher */
.theme-switcher {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.theme-btn {
    padding: 0.5rem 1rem;
    background: var(--bg-glass);
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-block;
}

.theme-btn:hover {
    background: var(--bg-glass-hover);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

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

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Old Footer (for backward compatibility) */
.footer-old {
    background: var(--bg-secondary);
    backdrop-filter: blur(20px);
    color: var(--text-muted);
    padding: 4rem 2rem 2rem;
    text-align: center;
    margin-top: 8rem;
    border-top: 1px solid var(--border-color);
}

/* Animations */
.fade-in {
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading spinner */
.spinner {
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hidden {
    display: none !important;
    visibility: hidden;
    opacity: 0;
}

/* Modal styles */
#generateModal, #configModal {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

#generateModal > div, #configModal > div {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    box-shadow: var(--shadow-xl);
}

#configContent {
    background: rgba(255, 255, 255, 0.8);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] #configContent {
    background: rgba(30, 41, 59, 0.8);
    color: var(--text-secondary);
}

[data-theme="dark"] #generateModal > div,
[data-theme="dark"] #configModal > div {
    background: var(--bg-glass);
    color: var(--text-primary);
}

/* Pricing styles */
.pricing-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    padding: 2.5rem;
    transition: all 0.3s ease;
    position: relative;
    box-shadow: var(--shadow-sm);
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.pricing-card.featured {
    border: 3px solid var(--primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(255, 255, 255, 0.1) 100%);
    position: relative;
    overflow: hidden;
}

.pricing-card.featured::before {
    content: 'ПОПУЛЯРНЫЙ';
    position: absolute;
    top: 1rem;
    right: -2rem;
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 3rem;
    font-size: 0.75rem;
    font-weight: 700;
    transform: rotate(45deg);
    box-shadow: var(--shadow-colored);
}

.pricing-name {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.pricing-price {
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary);
    margin: 1.5rem 0;
    line-height: 1;
}

.pricing-price span {
    font-size: 1.5rem;
    color: var(--text-muted);
    font-weight: 600;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
}

.pricing-features li {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 2rem;
    font-size: 0.95rem;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
    font-size: 1.2rem;
}

.pricing-features li:not(:last-child) {
    border-bottom: 1px solid var(--border-color);
}

.btn-full {
    width: 100%;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
}

/* Content Sections */
.what-is-vpn,
.how-it-works {
    padding: 4rem 2rem;
    background: #f8fafc;
    margin: 3rem 0;
}

.what-is-vpn .content-wrapper,
.how-it-works .content-wrapper {
    max-width: 900px;
    margin: 0 auto;
    background: #ffffff;
    padding: 3rem;
    border-radius: 1rem;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.what-is-vpn .intro-paragraph,
.how-it-works .intro-paragraph {
    font-size: 1.15rem;
    font-weight: 500;
    margin-bottom: 2rem;
    color: #475569;
    line-height: 1.8;
}

.what-is-vpn .benefits-list {
    background: #f1f5f9;
    padding: 2rem;
    border-radius: 1rem;
    margin: 2rem 0;
    border-left: 4px solid #6366f1;
}

.what-is-vpn .conclusion-paragraph {
    font-size: 1.1rem;
    font-weight: 500;
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid #e2e8f0;
    color: #475569;
}

.what-is-vpn h2,
.how-it-works h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #0f172a;
    text-align: center;
    font-weight: 700;
}

.what-is-vpn p,
.how-it-works p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #475569;
    margin-bottom: 1.5rem;
    text-align: left;
}

.what-is-vpn ul,
.how-it-works ol {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
    padding-left: 1rem;
}

.what-is-vpn li,
.how-it-works li {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #475569;
    margin-bottom: 0.75rem;
    list-style-position: outside;
}

.what-is-vpn ul li {
    list-style-type: disc;
}

.how-it-works ol li {
    list-style-type: decimal;
}

.what-is-vpn strong,
.how-it-works strong {
    color: #0f172a;
    font-weight: 600;
}

[data-theme="dark"] .what-is-vpn,
[data-theme="dark"] .how-it-works {
    background: #1e293b;
}

[data-theme="dark"] .what-is-vpn .content-wrapper,
[data-theme="dark"] .how-it-works .content-wrapper {
    background: #334155;
}

[data-theme="dark"] .what-is-vpn h2,
[data-theme="dark"] .how-it-works h2 {
    color: #f1f5f9;
}

[data-theme="dark"] .what-is-vpn p,
[data-theme="dark"] .how-it-works p,
[data-theme="dark"] .what-is-vpn li,
[data-theme="dark"] .how-it-works li {
    color: #cbd5e1;
}

[data-theme="dark"] .what-is-vpn strong,
[data-theme="dark"] .how-it-works strong {
    color: #f1f5f9;
}

[data-theme="dark"] .what-is-vpn .benefits-list {
    background: #475569;
}

[data-theme="dark"] .what-is-vpn .conclusion-paragraph {
    color: #cbd5e1;
    border-top-color: #475569;
}

/* FAQ Section */
.faq-section {
    padding: 4rem 2rem;
    background: #ffffff;
}

.faq-section .content-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.faq-section h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #0f172a;
    text-align: center;
    font-weight: 700;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.faq-item {
    background: #f8fafc;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    transition: box-shadow 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
}

.faq-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #0f172a;
    font-weight: 600;
}

.faq-item p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #475569;
    margin: 0;
}

.faq-item ul {
    margin-left: 2rem;
    margin-top: 1rem;
    margin-bottom: 1rem;
}

.faq-item li {
    font-size: 1.05rem;
    line-height: 1.7;
    color: #475569;
    margin-bottom: 0.5rem;
}

.faq-item a {
    color: #6366f1;
    text-decoration: none;
    font-weight: 500;
}

.faq-item a:hover {
    text-decoration: underline;
}

.faq-item strong {
    color: #0f172a;
    font-weight: 600;
}

.faq-cta {
    text-align: center;
    padding: 2.5rem;
    background: #f8fafc;
    border-radius: 1rem;
    margin-top: 3rem;
}

.faq-cta h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #0f172a;
    font-weight: 600;
}

.faq-cta p {
    font-size: 1.1rem;
    color: #475569;
    margin: 0;
}

.faq-cta a {
    color: #6366f1;
    text-decoration: none;
    font-weight: 600;
}

.faq-cta a:hover {
    text-decoration: underline;
}

[data-theme="dark"] .what-is-vpn,
[data-theme="dark"] .how-it-works {
    background: #1e293b;
}

[data-theme="dark"] .faq-section {
    background: #0f172a;
}

[data-theme="dark"] .faq-section h2 {
    color: #f1f5f9;
}

[data-theme="dark"] .faq-item {
    background: #1e293b;
}

[data-theme="dark"] .faq-item h3 {
    color: #f1f5f9;
}

[data-theme="dark"] .faq-item p,
[data-theme="dark"] .faq-item li {
    color: #cbd5e1;
}

[data-theme="dark"] .faq-item strong {
    color: #f1f5f9;
}

[data-theme="dark"] .faq-cta {
    background: #1e293b;
}

[data-theme="dark"] .faq-cta h3 {
    color: #f1f5f9;
}

[data-theme="dark"] .faq-cta p {
    color: #cbd5e1;
}

/* Breadcrumbs */
.breadcrumbs {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
}

.breadcrumbs-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.breadcrumb-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.breadcrumb-separator {
    color: var(--text-muted);
    margin: 0 0.25rem;
}

.breadcrumb-current {
    color: var(--text-primary);
    font-weight: 500;
}

[data-theme="dark"] .breadcrumbs {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

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

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

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

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }
    
    .form-container {
        margin: 2rem 1rem;
        padding: 2.5rem 2rem;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .hero {
        padding: 6rem 1.5rem 4rem;
        min-height: auto;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}