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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8fafc;
}

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

/* Language Switcher */
.language-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background: white;
    border-radius: 25px;
    padding: 5px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.lang-btn {
    background: none;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.lang-btn.active {
    background: #2563eb;
    color: white;
}

.lang-btn:hover:not(.active) {
    background: #f1f5f9;
}

/* Header */
.header {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo h1 {
    color: #2563eb;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.logo p {
    color: #64748b;
    font-size: 0.9rem;
}

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

.nav a {
    text-decoration: none;
    color: #475569;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-video {
    margin: 2rem 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.hero-cta {
    margin-top: 2rem;
}

.price {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #fbbf24;
}

.cta-button {
    background: #fbbf24;
    color: #1f2937;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(251, 191, 36, 0.4);
}

.cta-button:hover {
    background: #f59e0b;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(251, 191, 36, 0.6);
}

/* Course Info */
.course-info {
    padding: 4rem 0;
    background: white;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.info-card {
    text-align: center;
    padding: 2rem;
    border-radius: 12px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.info-card i {
    font-size: 2.5rem;
    color: #2563eb;
    margin-bottom: 1rem;
}

.info-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.info-card p {
    color: #64748b;
    line-height: 1.6;
}

/* Schedule */
.schedule {
    padding: 4rem 0;
    background: #f1f5f9;
}

.schedule h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #1f2937;
}

.schedule-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.schedule-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.schedule-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 1rem;
    text-align: center;
}

.schedule-card ul {
    list-style: none;
    margin-bottom: 1rem;
}

.schedule-card li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #e2e8f0;
    color: #475569;
}

.schedule-card li:last-child {
    border-bottom: none;
}

.schedule-card p {
    color: #64748b;
    font-style: italic;
    text-align: center;
}

.exam-info {
    background: #2563eb;
    color: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.exam-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

/* Registration Form */
.registration {
    padding: 4rem 0;
    background: white;
}

.registration h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #1f2937;
}

.registration-form {
    max-width: 600px;
    margin: 0 auto;
    background: #f8fafc;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #374151;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
}

.submit-btn {
    width: 100%;
    background: #2563eb;
    color: white;
    border: none;
    padding: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

/* Reviews */
.reviews {
    padding: 4rem 0;
    background: #f1f5f9;
}

.reviews h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #1f2937;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.review-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    position: relative;
}

.review-date {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: #2563eb;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.review-card p {
    color: #475569;
    line-height: 1.7;
    font-style: italic;
}

/* Contact */
.contact {
    padding: 4rem 0;
    background: white;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #1f2937;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.contact-info h3,
.why-choose h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 8px;
}

.contact-item i {
    font-size: 1.5rem;
    color: #2563eb;
    margin-right: 1rem;
    width: 30px;
}

.contact-item p {
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.25rem;
}

.contact-item span {
    color: #64748b;
    font-size: 0.9rem;
}

.why-choose ul {
    list-style: none;
}

.why-choose li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #e2e8f0;
    color: #475569;
    position: relative;
    padding-left: 1.5rem;
}

.why-choose li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #2563eb;
    font-weight: bold;
}

.why-choose li:last-child {
    border-bottom: none;
}

/* AarniAI Chat */
.aarni-ai {
    padding: 4rem 0;
    background: #f1f5f9;
}

.aarni-ai h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #1f2937;
}

.chat-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #fbbf24;
}

.footer-section p {
    color: #d1d5db;
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #60a5fa;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #93c5fd;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content h2 {
        font-size: 1.25rem;
    }
    
    .nav {
        display: none;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .schedule-grid {
        grid-template-columns: 1fr;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .language-switcher {
        top: 10px;
        right: 10px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .hero-content h1 {
        font-size: 1.75rem;
    }
    
    .registration-form {
        padding: 1.5rem;
    }
    
    .schedule-card,
    .review-card {
        padding: 1.5rem;
    }
}

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

.info-card,
.schedule-card,
.review-card {
    animation: fadeInUp 0.6s ease-out;
}

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