/* Landing Page Styles */

/* ============================================
   Hero Section
   ============================================ */
.landing-hero {
    position: relative;
    padding: calc(var(--spacing-2xl) * 1.5) 0 var(--spacing-2xl);
    text-align: center;
    color: white;
    margin-left: calc(-1 * var(--spacing-lg));
    margin-right: calc(-1 * var(--spacing-lg));
    margin-top: calc(-1 * var(--spacing-2xl));
    margin-bottom: var(--spacing-2xl);
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #5b6ee8 100%);
    /* Removed animation for better performance */
    will-change: auto;
}

/* Removed gradientShift animation for better performance */

[data-theme="dark"] .landing-hero {
    background: linear-gradient(135deg, #4a5568 0%, #2d3748 50%, #4c51bf 100%);
}

.landing-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* Simplified gradient for better performance */
    background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
    will-change: auto;
}

[data-theme="dark"] .landing-hero::before {
    /* Simplified gradient for better performance */
    background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
}

.landing-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, transparent, var(--bg-primary));
    pointer-events: none;
}

.landing-hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.landing-hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    letter-spacing: -0.02em;
    /* Reduced animation for better performance */
    animation: fadeInUp 0.4s ease-out;
}

.landing-hero p {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    /* Reduced animation for better performance */
    animation: fadeInUp 0.4s ease-out 0.1s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
/* Optimize animations */
.landing-hero h1,
.landing-hero p,
.hero-stats {
    will-change: transform, opacity;
}

.hero-stats {
    background: rgba(255, 255, 255, 0.15);
    /* Removed backdrop-filter for better performance */
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    max-width: 900px;
    margin: var(--spacing-2xl) auto 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    /* Reduced animation for better performance */
    animation: fadeInUp 0.4s ease-out 0.2s both;
}

[data-theme="dark"] .hero-stats {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.15);
}

.hero-stat {
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    transition: transform 0.3s ease, background 0.3s ease;
}

.hero-stat:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .hero-stat:hover {
    background: rgba(255, 255, 255, 0.05);
}

.hero-stat-value {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.hero-stat-value i {
    font-size: 0.8em;
}

.hero-stat-label {
    opacity: 0.95;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* ============================================
   Plans Section
   ============================================ */
.plans-section {
    padding: var(--spacing-2xl) 0;
}

.plans-section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.plans-section-header h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.plans-section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.plan-group {
    margin-bottom: var(--spacing-3xl);
}

.plan-group:last-child {
    margin-bottom: 0;
}

.plan-group-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.plan-group-title i {
    font-size: 1.25em;
    color: var(--accent-primary);
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.plan-card {
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    height: 100%;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.plan-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.plan-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--accent-primary);
}

.plan-card.premium {
    border-color: var(--accent-primary);
    border-width: 2px;
    background: linear-gradient(135deg, var(--bg-primary) 0%, rgba(52, 152, 219, 0.03) 100%);
}

.plan-card.premium::before {
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-success));
}

.plan-header {
    margin-bottom: var(--spacing-sm);
}

.plan-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.plan-duration {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

.plan-price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin: var(--spacing-md) 0;
}

.plan-price.free {
    color: var(--accent-success);
}

.plan-price-free-text {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-xs);
}

.plan-price-strikethrough {
    text-decoration: line-through;
    opacity: 0.6;
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.plan-price-secondary {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.plan-features {
    margin-bottom: var(--spacing-md);
    flex: 1;
}

.plan-features-title {
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.plan-features-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-sm) 0 0;
}

.plan-features-list li {
    padding: var(--spacing-xs) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.plan-features-list li i {
    color: var(--accent-success);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.plan-features-list li i.disabled {
    color: var(--text-secondary);
}

.plan-addons {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.plan-addons-title {
    color: var(--accent-warning);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.plan-addons-note {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
    margin-bottom: 0;
}

.plan-cta {
    width: 100%;
    margin-top: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.plan-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, var(--accent-success), var(--accent-success-hover));
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 2px 8px rgba(39, 174, 96, 0.3);
}

.plan-badge.warning {
    background: var(--accent-warning);
    color: var(--text-primary);
    box-shadow: 0 2px 8px rgba(243, 156, 18, 0.3);
}

/* ============================================
   Features Section
   ============================================ */
.features-section {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
    margin-left: calc(-1 * var(--spacing-lg));
    margin-right: calc(-1 * var(--spacing-lg));
    margin-top: var(--spacing-2xl);
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
}

.features-section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.features-section-header h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.features-section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.features-grid:last-child {
    margin-bottom: 0;
}

.feature-card {
    padding: var(--spacing-xl);
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    height: 100%;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.feature-card.warning {
    border: 2px solid var(--accent-warning);
}

.feature-icon {
    font-size: 3rem;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-md);
    transition: transform 0.3s ease;
}

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

.feature-icon.warning {
    color: var(--accent-warning);
}

.feature-content h4 {
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.feature-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.features-note {
    text-align: center;
    margin-top: var(--spacing-2xl);
    color: var(--text-secondary);
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.cta-card {
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    padding: var(--spacing-2xl);
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
}

.cta-card h3 {
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.cta-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.cta-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.cta-info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.cta-info-icon {
    color: var(--accent-primary);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.cta-info-content strong {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.cta-info-content small {
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: block;
}

.cta-heading {
    margin-bottom: var(--spacing-md);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.cta-text {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.cta-button {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-weight: 600;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 16px rgba(52, 152, 219, 0.4);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(52, 152, 219, 0.5);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .plans-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .landing-hero {
        padding: var(--spacing-2xl) 0;
        margin-left: calc(-1 * var(--spacing-md));
        margin-right: calc(-1 * var(--spacing-md));
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
    
    .hero-stats {
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        grid-template-columns: 1fr;
    }
    
    .plans-section {
        padding: var(--spacing-xl) 0;
    }
    
    .plan-group {
        margin-bottom: var(--spacing-2xl);
    }
    
    .plans-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .plan-card {
        padding: var(--spacing-xl);
    }
    
    .features-section {
        padding: var(--spacing-2xl) 0;
        margin-left: calc(-1 * var(--spacing-md));
        margin-right: calc(-1 * var(--spacing-md));
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .cta-section {
        padding: var(--spacing-2xl) 0;
    }
    
    .cta-card {
        padding: var(--spacing-xl);
    }
    
    .cta-info-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .landing-hero {
        margin-left: calc(-1 * var(--spacing-sm));
        margin-right: calc(-1 * var(--spacing-sm));
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }
    
    .landing-hero h1 {
        font-size: 2rem;
    }
    
    .landing-hero p {
        font-size: 1rem;
    }
    
    .hero-stats {
        padding: var(--spacing-md);
    }
    
    .plan-card {
        padding: var(--spacing-lg);
    }
    
    .plan-price {
        font-size: 2.5rem;
    }
    
    .features-section {
        margin-left: calc(-1 * var(--spacing-sm));
        margin-right: calc(-1 * var(--spacing-sm));
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }
    
    .cta-card {
        padding: var(--spacing-lg);
    }
}