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

:root {
    /* Color Palette */
    --primary: #4361ee;
    --primary-dark: #3a56d4;
    --secondary: #7209b7;
    --accent: #f72585;
    --dark: #1a1a2e;
    --dark-light: #2d3047;
    --light: #f8f9fa;
    --gray: #6c757d;
    --gray-light: #e9ecef;
    --success: #4cc9f0;
    --warning: #f8961e;
    --danger: #f94144;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #4361ee 0%, #7209b7 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    --gradient-hero: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--dark);
    background-color: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--gray);
}

.gradient-text {
    background: var(--gradient-primary);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
    animation: gradient-shift 5s ease infinite;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-nav, .btn-pricing, .btn-form {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all var(--transition-normal);
    border: none;
    cursor: pointer;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

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

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

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

.btn-nav {
    background: var(--gradient-primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
}

.btn-mobile {
    background: var(--gradient-primary);
    color: white;
    padding: 1rem;
    border-radius: var(--radius-sm);
    text-align: center;
    margin-top: var(--spacing-sm);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--dark);
}

.logo-icon {
    font-size: 1.75rem;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark);
    cursor: pointer;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: white;
    box-shadow: var(--shadow-md);
    z-index: 999;
    padding: var(--spacing-md);
}

.mobile-menu.active {
    display: block;
}

.mobile-nav-link {
    display: block;
    padding: 1rem 0;
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    border-bottom: 1px solid var(--gray-light);
}

.mobile-nav-link:last-child {
    border-bottom: none;
}

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

/* Hero Section */
.hero {
    padding-top: 8rem;
    padding-bottom: var(--spacing-xxl);
    background: var(--gradient-hero);
    color: var(--dark);
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--gray-light);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200" width="200" height="200" preserveAspectRatio="none"><defs><pattern id="grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(67, 97, 238, 0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    background-size: 40px 40px;
    opacity: 0.6;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(67, 97, 238, 0.1) 0%, transparent 70%);
    filter: blur(40px);
    z-index: 0;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    color: var(--dark);
}

.hero-subtitle {
    font-size: 1.375rem;
    margin-bottom: var(--spacing-lg);
    color: var(--gray);
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--success);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray);
}

.hero-visual {
    flex: 1;
}

.visual-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.card-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.card-dots {
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background-color: #ff5f57; }
.dot.yellow { background-color: #ffbd2e; }
.dot.green { background-color: #28ca42; }

.ai-process {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.process-step {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.03);
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
}

.process-step:hover {
    background: rgba(0, 0, 0, 0.06);
    transform: translateX(5px);
}

.step-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.step-text {
    color: var(--dark);
    font-size: 1rem;
}

.step-text strong {
    color: var(--primary);
}

/* Services Section */
.services {
    padding: var(--spacing-xxl) 0;
    background-color: white;
}

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

.section-title {
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

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

.service-card {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-light);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.service-title {
    margin-bottom: var(--spacing-sm);
}

.service-description {
    margin-bottom: var(--spacing-md);
    min-height: 72px;
}

.service-features {
    list-style: none;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--gray);
}

.service-features i {
    color: var(--success);
}

/* About Section */
.about {
    padding: var(--spacing-xxl) 0;
    background-color: #f8f9fa;
}

.about-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.about-text {
    flex: 1;
}

.about-description {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
}

.about-points {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.point {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.point i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-top: 0.25rem;
}

.point h4 {
    margin-bottom: 0.25rem;
}

.point p {
    margin-bottom: 0;
}

.about-visual {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.visual-box {
    flex: 1;
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.box-header {
    background: var(--gradient-dark);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
}

.box-header h4 {
    margin: 0;
    font-size: 1rem;
}

.box-content {
    padding: var(--spacing-md);
}

.before-list, .after-list {
    list-style: none;
}

.before-list li, .after-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
}

.before-list li {
    background-color: rgba(248, 9, 133, 0.1);
}

.after-list li {
    background-color: rgba(76, 201, 240, 0.1);
}

.before-list i {
    color: var(--danger);
}

.after-list i {
    color: var(--success);
}

.ai-box .box-header {
    background: var(--gradient-primary);
}

.visual-arrow {
    font-size: 2rem;
    color: var(--primary);
}

/* Pricing Section */
.pricing {
    padding: var(--spacing-xxl) 0;
    background-color: white;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.pricing-card {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-light);
    position: relative;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

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

.pricing-card.popular {
    border-color: var(--primary);
    transform: scale(1.05);
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-5px);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--gray-light);
}

.plan-name {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

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

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--dark);
}

.period {
    display: block;
    color: var(--gray);
    font-size: 0.875rem;
}

.plan-description {
    font-size: 0.875rem;
    color: var(--gray);
    margin-bottom: 0;
}

.plan-features {
    list-style: none;
    flex: 1;
    margin-bottom: var(--spacing-lg);
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    padding: 0.25rem 0;
}

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

.plan-features i.fa-times {
    color: var(--gray-light);
}

.feature-disabled {
    color: var(--gray-light);
    text-decoration: line-through;
}

.btn-pricing {
    width: 100%;
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    text-align: center;
}

.btn-pricing:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-popular {
    background: var(--gradient-dark);
}

.pricing-note {
    text-align: center;
    padding: var(--spacing-md);
    background-color: rgba(67, 97, 238, 0.05);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary);
}

.pricing-note i {
    color: var(--primary);
    margin-right: 0.5rem;
}

/* Contact Section */
.contact {
    padding: var(--spacing-xxl) 0;
    background: var(--gradient-dark);
    color: white;
}

.contact-content {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xl);
}

.contact-text {
    flex: 1;
}

.contact-subtitle {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.9);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

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

.info-item i {
    font-size: 1.5rem;
    color: var(--success);
    margin-top: 0.25rem;
}

.info-item h4 {
    margin-bottom: 0.25rem;
    color: white;
}

.info-item p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0;
}

.contact-form {
    flex: 1;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: white;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-group select option {
    background-color: var(--dark);
    color: white;
}

.btn-form {
    width: 100%;
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    margin-top: var(--spacing-sm);
}

.btn-form:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.form-note {
    text-align: center;
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Footer */
.footer {
    background-color: var(--dark);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.footer-brand {
    flex: 1;
    min-width: 250px;
}

.footer-tagline {
    margin: var(--spacing-sm) 0;
    color: rgba(255, 255, 255, 0.8);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

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

.footer-social a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-links {
    display: flex;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.link-group {
    min-width: 150px;
}

.link-group h4 {
    color: white;
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
}

.link-group a, .link-group p {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color var(--transition-fast);
}

.link-group a:hover {
    color: var(--success);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
}

.footer-note {
    color: rgba(255, 255, 255, 0.5);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--gray-light);
}

.modal-header h3 {
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--gray);
    line-height: 1;
}

.modal-body {
    padding: var(--spacing-md);
}

/* Responsive Design */
@media (max-width: 1024px) {
    h1 {
        font-size: 3rem;
    }
    
    h2 {
        font-size: 2.25rem;
    }
    
    .hero .container {
        flex-direction: column;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .contact-content {
        flex-direction: column;
    }
}

/* Language Switcher */
.lang-switcher {
    margin-left: 15px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.lang-switcher:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .lang-switcher {
        margin-left: 0;
        margin-top: 15px;
        padding: 8px 16px;
        display: block;
        text-align: center;
    }
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.popular {
        transform: none;
    }
    
    .pricing-card.popular:hover {
        transform: translateY(-5px);
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .footer-links {
        justify-content: space-between;
        width: 100%;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .about-visual {
        flex-direction: column;
    }
    
    .visual-arrow {
        transform: rotate(90deg);
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
}