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

:root {
    --primary-color: #0046FF;
    --secondary-color: #00D4FF;
    --dark-color: #1a1a2e;
    --light-color: #f8f9fa;
    --text-color: #333;
    --text-light: #666;
    --border-color: #e0e0e0;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --blue-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --green-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --orange-gradient: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --red-gradient: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    font-size: 1.8rem;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

.header-actions {
    display: flex;
    gap: 1rem;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-cta, .btn-cta-large, .btn-pricing {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
    text-align: center;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: #0039cc;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 70, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-color);
    border: 2px solid var(--border-color);
}

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

.btn-cta, .btn-cta-large {
    background: var(--primary-color);
    color: white;
    font-size: 1.1rem;
    padding: 1rem 2.5rem;
    box-shadow: 0 4px 15px rgba(0, 70, 255, 0.3);
}

.btn-cta:hover, .btn-cta-large:hover {
    background: #0039cc;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 70, 255, 0.4);
}

.btn-cta-large {
    font-size: 1.2rem;
    padding: 1.2rem 3rem;
}

/* Hero Section */
.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

/* Dashboard Preview */
.dashboard-preview {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.3s;
}

.dashboard-preview:hover {
    transform: perspective(1000px) rotateY(0deg);
}

.preview-header {
    background: #f8f9fa;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}

.preview-dots {
    display: flex;
    gap: 6px;
}

.preview-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ddd;
}

.preview-dots span:nth-child(1) { background: #ff5f56; }
.preview-dots span:nth-child(2) { background: #ffbd2e; }
.preview-dots span:nth-child(3) { background: #27c93f; }

.preview-content {
    display: flex;
    height: 400px;
}

.preview-sidebar {
    width: 200px;
    background: #1a1a2e;
    padding: 20px 0;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: #aaa;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.sidebar-item.active {
    background: rgba(0, 70, 255, 0.1);
    color: var(--primary-color);
    border-left: 3px solid var(--primary-color);
}

.sidebar-item i {
    font-size: 1.1rem;
}

.preview-main {
    flex: 1;
    padding: 30px;
    background: #f8f9fa;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.stat-card {
    background: white;
    padding: 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.stat-card i {
    font-size: 2rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    color: white;
}

.stat-card.blue i {
    background: var(--blue-gradient);
}

.stat-card.green i {
    background: var(--green-gradient);
}

.stat-card.orange i {
    background: var(--orange-gradient);
}

.stat-card.red i {
    background: var(--red-gradient);
}

.stat-card div {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* Features Section */
.features {
    padding: 80px 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 40px;
}

.feature-card {
    text-align: center;
    padding: 30px;
    border-radius: 12px;
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

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

/* Pricing Section */
.pricing {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.pricing h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.pricing-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 50px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.pricing-card {
    background: white;
    border-radius: 16px;
    padding: 40px 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.pricing-card.featured {
    border: 3px solid var(--primary-color);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.pricing-header h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.price {
    margin-bottom: 30px;
}

.currency {
    font-size: 1.5rem;
    color: var(--text-light);
}

.amount {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--dark-color);
}

.period {
    font-size: 1rem;
    color: var(--text-light);
}

.pricing-features {
    list-style: none;
    margin-bottom: 30px;
}

.pricing-features li {
    padding: 12px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border-color);
}

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

.pricing-features i {
    font-size: 1.1rem;
}

.pricing-features .fa-check {
    color: var(--success-color);
}

.pricing-features .fa-times {
    color: var(--text-light);
}

.btn-pricing {
    width: 100%;
    background: var(--border-color);
    color: var(--text-color);
}

.btn-pricing:hover {
    background: var(--text-light);
}

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

.btn-pricing.primary:hover {
    background: #0039cc;
}

/* About Section */
.about {
    padding: 80px 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

.about-stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.stat-text {
    font-size: 1rem;
    color: var(--text-light);
}

.about-image {
    display: grid;
    gap: 20px;
}

.about-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 30px;
    border-radius: 12px;
    transition: all 0.3s;
}

.about-card:hover {
    transform: translateX(10px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.about-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.about-card h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.about-card p {
    color: var(--text-light);
}

/* Developers Section */
.developers {
    padding: 80px 0;
    background: var(--dark-color);
    color: white;
}

.developers h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.developers-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #aaa;
    margin-bottom: 50px;
}

.developers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.dev-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.dev-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-10px);
}

.dev-card i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.dev-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.dev-card p {
    color: #aaa;
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    text-align: center;
    color: white;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.btn-cta-large {
    background: white;
    color: var(--primary-color);
}

.btn-cta-large:hover {
    background: #f8f9fa;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.footer-logo i {
    font-size: 1.8rem;
    color: var(--secondary-color);
}

.footer-section p {
    color: #aaa;
    line-height: 1.8;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
}

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

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: #aaa;
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: #aaa;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s;
}

.social-links a:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .developers-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .header-actions {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}