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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

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

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2563eb;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: #4b5563;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #2563eb;
}

.cta-button {
    background: #2563eb;
    color: white !important;
    padding: 10px 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
}

/* Language Switcher */
.language-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    margin: 0 15px;
}

.lang-link {
    display: flex;
    align-items: center;
    gap: 4px;
    text-decoration: none;
    color: #64748b;
    transition: all 0.2s ease;
    padding: 4px 8px;
    border-radius: 6px;
}

.lang-link:hover {
    color: #1e293b;
    background: #f1f5f9;
}

.lang-link.active {
    color: #2563eb;
    font-weight: 600;
}

.lang-link .flag {
    font-size: 1.1rem;
}

.lang-link .lang-code {
    font-weight: 500;
}

.lang-separator {
    color: #cbd5e1;
    margin: 0 4px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    min-height: 600px;
    display: flex;
    align-items: center;
}

.hero-content {
    flex: 1;
    max-width: 500px;
}

.hero-content h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

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

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.primary-button {
    background: #ffffff;
    color: #2563eb;
    padding: 15px 30px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.primary-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.primary-button.large {
    padding: 20px 40px;
    font-size: 1.1rem;
}

.secondary-button {
    background: transparent;
    color: white;
    padding: 15px 30px;
    border: 2px solid white;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.secondary-button:hover {
    background: white;
    color: #2563eb;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: #1f2937;
    border-radius: 40px;
    padding: 20px;
    position: relative;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.phone-screen {
    background: #f8fafc;
    border-radius: 20px;
    height: 100%;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.chat-bubble {
    padding: 12px 16px;
    border-radius: 18px;
    max-width: 80%;
    font-size: 0.9rem;
    line-height: 1.4;
}

.chat-bubble.bot {
    background: #e5e7eb;
    color: #374151;
    align-self: flex-start;
}

.chat-bubble.user {
    background: #2563eb;
    color: white;
    align-self: flex-end;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: #f8fafc;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: #1f2937;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1f2937;
}

.feature-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
    padding: 80px 0;
    background: white;
}

.how-it-works h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: #1f2937;
}

.steps {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.step {
    flex: 1;
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #2563eb;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.step-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1f2937;
}

.step-content p {
    color: #6b7280;
    line-height: 1.6;
}

/* Pricing Section */
.pricing {
    padding: 80px 0;
    background: #f8fafc;
}

.pricing h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: #1f2937;
}

.pricing-cards {
    display: flex;
    justify-content: center;
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    flex: 1;
    position: relative;
}

.pricing-card.featured {
    border: 3px solid #2563eb;
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: #2563eb;
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1f2937;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 30px;
}

.price span {
    font-size: 1rem;
    color: #6b7280;
}

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

.pricing-card ul li {
    padding: 8px 0;
    color: #4b5563;
}

.pricing-button {
    background: #2563eb;
    color: white;
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    width: 100%;
}

.pricing-button:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
}

/* Start Section */
.start {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.start-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.start-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.start-info {
    margin-top: 40px;
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.start-info p {
    font-size: 1rem;
    opacity: 0.8;
    margin: 0;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #2563eb;
}

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #e5e7eb;
}

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

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul li a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #2563eb;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 20px;
    text-align: center;
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    /* Show only language dropdown on mobile */
    .language-dropdown {
        display: block;
        margin: 0;
    }
    
    .language-menu {
        right: 0;
        left: auto;
        min-width: 140px;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 100px 0 60px;
    }
    
    .hero-content {
        max-width: 100%;
        margin-bottom: 40px;
    }
    
    .hero-content h2 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .phone-mockup {
        width: 250px;
        height: 500px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .steps {
        flex-direction: column;
        gap: 40px;
    }
    
    .pricing-cards {
        flex-direction: column;
        gap: 30px;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .start-info {
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .features h2,
    .how-it-works h2,
    .pricing h2,
    .start-content h2 {
        font-size: 2rem;
    }
    
    .feature-card,
    .pricing-card {
        padding: 30px 20px;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

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

.feature-card,
.step,
.pricing-card {
    animation: fadeInUp 0.6s ease-out;
}