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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --text: #0f172a;
    --text-light: #64748b;
    --bg: #ffffff;
    --bg-secondary: #f8fafc;
    --border: #e2e8f0;
    --gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
}

[data-theme="dark"] {
    --text: #f1f5f9;
    --text-light: #94a3b8;
    --bg: #0f172a;
    --bg-secondary: #1e293b;
    --border: #334155;
}

body {
    font-family: 'Varela Round', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    transition: background 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: background 0.3s ease, border-color 0.3s ease;
}

[data-theme="dark"] .nav {
    background: rgba(15, 23, 42, 0.9);
    border-bottom: 1px solid var(--border);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 18px;
    color: var(--text);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s;
}

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

[data-theme="dark"] .nav-links a:not(.btn-primary) {
    color: #cbd5e1;
}

[data-theme="dark"] .nav-links a:not(.btn-primary):hover {
    color: #f1f5f9;
}

/* Buttons */
.btn-primary {
    background: var(--gradient);
    color: white !important;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text);
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    transition: background 0.2s;
}

.btn-secondary:hover {
    background: var(--border);
}

.btn-large {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    font-size: 16px;
    text-decoration: none;
}

/* Badge */
.badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 24px;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 160px 0 120px;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 72px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

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

.hero-subtitle {
    font-size: 20px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 48px;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 64px;
}

.hero-stats {
    display: flex;
    gap: 64px;
    justify-content: center;
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
}

/* Animated Background */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: var(--gradient);
    top: -200px;
    left: -200px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
    top: 100px;
    right: -150px;
    animation-delay: -5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    bottom: -100px;
    left: 50%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

/* Screenshot Section */
.screenshot {
    padding: 0 0 120px;
}

.screenshot-wrapper {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.12);
}

.screenshot-glow {
    position: absolute;
    inset: -100px;
    background: var(--gradient);
    opacity: 0.15;
    filter: blur(100px);
    z-index: -1;
}

.screenshot-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
    border: 1px solid var(--border);
}

/* Features Section */
.features {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 80px;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    background: white;
    padding: 32px;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .feature-card:hover {
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-desc {
    color: var(--text-light);
    line-height: 1.6;
}

/* Pricing Section */
.pricing {
    padding: 120px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border: 2px solid var(--border);
    border-radius: 16px;
    padding: 40px;
    position: relative;
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .pricing-card:hover {
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
}

.pricing-featured {
    border-color: var(--primary);
    box-shadow: 0 12px 24px rgba(99, 102, 241, 0.15);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    color: white;
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
}

.pricing-header {
    margin-bottom: 32px;
    text-align: center;
}

.pricing-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.price-currency {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-light);
}

.price-amount {
    font-size: 56px;
    font-weight: 800;
    line-height: 1;
}

.price-period {
    font-size: 16px;
    color: var(--text-light);
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 12px 0;
    color: var(--text-light);
    border-bottom: 1px solid var(--border);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.btn-pricing {
    display: block;
    width: 100%;
    text-align: center;
    padding: 14px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.pricing-card:not(.pricing-featured) .btn-pricing {
    background: var(--bg-secondary);
    color: var(--text);
    border: 2px solid var(--border);
}

[data-theme="dark"] .pricing-card:not(.pricing-featured) .btn-pricing {
    background: rgba(99, 102, 241, 0.1);
    color: var(--text);
    border: 2px solid rgba(99, 102, 241, 0.3);
}

.pricing-card:not(.pricing-featured) .btn-pricing:hover {
    background: var(--border);
    border-color: var(--primary);
}

[data-theme="dark"] .pricing-card:not(.pricing-featured) .btn-pricing:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--primary);
}

.btn-pricing-featured {
    background: var(--gradient);
    color: white;
}

.btn-pricing-featured:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(99, 102, 241, 0.3);
}

/* CTA Section */
.cta {
    position: relative;
    padding: 120px 0;
    overflow: hidden;
}

.cta-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.cta-subtitle {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.cta-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: 80px 0 40px;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-brand {
    max-width: 300px;
}

.footer-desc {
    color: var(--text-light);
    margin-top: 16px;
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
    color: var(--text);
}

.footer-column a {
    display: block;
    color: var(--text-light);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.2s;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid var(--border);
    color: var(--text-light);
    font-size: 14px;
}

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    color: var(--text-light);
    transition: color 0.2s;
}

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

/* Dark Mode Toggle */
.theme-toggle {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 56px;
    height: 56px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
    transition: transform 0.2s, box-shadow 0.2s;
    z-index: 1000;
    animation: pulse 2s infinite;
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 32px rgba(99, 102, 241, 0.4);
}

.theme-toggle svg {
    color: white;
    width: 24px;
    height: 24px;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
    }
    50% {
        box-shadow: 0 8px 32px rgba(99, 102, 241, 0.5);
    }
}

/* Subtle Animations */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

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

.slide-in-left {
    animation: slideInLeft 0.8s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

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

/* Shimmer effect on hover */
.btn-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-large {
    position: relative;
    overflow: hidden;
}

.btn-large:hover::before {
    left: 100%;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: all 0.3s;
    border-radius: 2px;
}

/* Responsive */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.3s, opacity 0.3s;
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .nav-links a {
        display: block !important;
        text-align: center;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        gap: 32px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .cta-title {
        font-size: 40px;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}