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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    color: #1f2937;
    background: #f9fafb;
    line-height: 1.6;
}

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

/* Header */
.header {
    background: #1e3a8a;
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

.logo {
    color: white;
    text-decoration: none;
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 0.5px;
}

.header-buttons {
    display: flex;
    gap: 12px;
    align-items: center;
}

.btn {
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-block;
}

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

.btn-signup:hover {
    background: #1d4ed8;
}

.btn-login {
    background: white;
    color: #1e3a8a;
}

.btn-login:hover {
    background: #f3f4f6;
}

.btn-lang {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.btn-lang:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Google Login Button (inline) */
.btn-google {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #4285F4;
    color: white;
    padding: 12px 16px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    margin-top: 12px;
    font-size: 14px;
    transition: background-color 0.3s ease;
}

.btn-google:hover {
    background-color: #357ae8;
}

.btn-google:active {
    background-color: #2c63d4;
}

.lang-switcher {
    position: relative;
}

.lang-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 5px);
    right: 0;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    min-width: 150px;
    overflow: hidden;
    z-index: 100;
}

.lang-dropdown.show {
    display: block;
}

.lang-dropdown a {
    display: block;
    padding: 12px 16px;
    color: #1f2937;
    text-decoration: none;
    transition: background 0.2s;
}

.lang-dropdown a:hover {
    background: #f3f4f6;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #3b82f6 0%, #1e3a8a 100%);
    color: white;
    text-align: center;
    padding: 100px 20px;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 40px;
    line-height: 1.2;
}

.scroll-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 32px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.scroll-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(5px);
}

/* Content Section */
.content {
    background: white;
    padding: 0;
}

/* Tabs */
.tabs {
    border-bottom: 2px solid #e5e7eb;
    padding: 0 20px;
    display: flex;
    gap: 30px;
}

.tab {
    padding: 16px 0;
    background: none;
    border: none;
    color: #6b7280;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: all 0.3s;
}

.tab:hover {
    color: #1e3a8a;
}

.tab.active {
    color: #1e3a8a;
    border-bottom-color: #1e3a8a;
}

.tab:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Tests Grid */
.tests-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 40px 20px;
}

.test-card {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 20px;
    transition: all 0.3s;
}

.test-card:hover {
    border-color: #2563eb;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.1);
}

.test-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.test-header h3 {
    font-size: 20px;
    color: #2563eb;
    font-weight: 700;
}

.badge-free {
    background: #2563eb;
    color: white;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
}

.test-card p {
    color: #6b7280;
    font-size: 14px;
    line-height: 1.5;
}

/* Load More Button */
.load-more {
    text-align: center;
    padding: 20px 20px 40px;
}

.btn-view-more {
    background: #2563eb;
    color: white;
    padding: 12px 32px;
    border-radius: 6px;
    font-weight: 600;
}

.btn-view-more:hover {
    background: #1d4ed8;
}

/* Applications Section */
.applications-section {
    background: #f9fafb;
    padding: 60px 20px;
}

.applications-section h2 {
    text-align: center;
    font-size: 32px;
    color: #1f2937;
    margin-bottom: 40px;
    font-weight: 700;
}

.application-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.application-card {
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    padding: 32px;
    transition: all 0.3s;
}

.application-card:hover {
    border-color: #2563eb;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
}

.application-card h3 {
    font-size: 24px;
    color: #2563eb;
    margin-bottom: 16px;
    font-weight: 700;
}

.application-card p {
    color: #6b7280;
    margin-bottom: 20px;
    line-height: 1.6;
}

.application-card ul {
    list-style: none;
    margin-bottom: 24px;
}

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

.application-card li::before {
    content: "✓ ";
    color: #10b981;
    font-weight: bold;
    margin-right: 8px;
}

.btn-primary {
    background: #2563eb;
    color: white;
    padding: 12px 32px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: all 0.3s;
}

.btn-primary:hover {
    background: #1d4ed8;
}

/* How to Start Learning Section */
.how-to-start-section {
    background: white;
    padding: 60px 20px;
}

.how-to-start-section h2 {
    text-align: center;
    font-size: 32px;
    color: #1f2937;
    margin-bottom: 10px;
    font-weight: 700;
}

.subtitle {
    text-align: center;
    color: #6b7280;
    font-size: 16px;
    margin-bottom: 40px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.step-card {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s;
}

.step-card:hover {
    border-color: #2563eb;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
}

.step-icon {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
}

.step-card h3 {
    font-size: 18px;
    color: #1f2937;
    margin-bottom: 12px;
    font-weight: 600;
}

.step-card p {
    color: #6b7280;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
}

/* FAQ Section */
.faq-section {
    background: #f9fafb;
    padding: 60px 20px;
}

.faq-section h2 {
    text-align: center;
    font-size: 32px;
    color: #1f2937;
    margin-bottom: 10px;
    font-weight: 700;
}

.faq-list {
    max-width: 900px;
    margin: 0 auto 30px;
}

.faq-item {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 20px 24px;
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s;
}

.faq-item:hover {
    border-color: #2563eb;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.1);
}

.faq-item h3 {
    font-size: 16px;
    color: #1f2937;
    font-weight: 600;
    flex: 1;
}

.arrow {
    color: #2563eb;
    font-size: 20px;
    font-weight: bold;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    color: white;
    padding: 60px 20px 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

.footer-left h3 {
    font-size: 28px;
    margin-bottom: 16px;
    font-weight: 700;
}

.footer-left p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

.footer-right {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    margin-bottom: 4px;
}

.contact-item a {
    color: white;
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
}

.contact-item a:hover {
    text-decoration: underline;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.footer-bottom a {
    color: white;
    text-decoration: none;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

.footer-logo {
    text-align: center;
}

.logo-badge {
    background: white;
    color: #1e3a8a;
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: bold;
    font-size: 14px;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.modal-content {
    background: white;
    border-radius: 12px;
    padding: 40px;
    max-width: 480px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transform: scale(0.9);
    transition: transform 0.3s;
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 32px;
    color: #6b7280;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s;
}

.modal-close:hover {
    background: #f3f4f6;
    color: #1f2937;
}

.modal-content h2 {
    font-size: 28px;
    color: #1f2937;
    margin-bottom: 24px;
    text-align: center;
    font-weight: 700;
}

.modal-form {
    margin-bottom: 20px;
}

.modal-form .form-group {
    margin-bottom: 16px;
}

.modal-form input {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.3s;
}

.modal-form input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.btn-submit {
    width: 100%;
    padding: 14px;
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-submit:hover {
    background: #1d4ed8;
}

.modal-links {
    text-align: center;
    margin: 20px 0;
    font-size: 14px;
    color: #6b7280;
}

.modal-links a {
    color: #2563eb;
    text-decoration: none;
}

.modal-links a:hover {
    text-decoration: underline;
}

.modal-links span {
    margin: 0 8px;
}

.btn-google-modal {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 12px;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    color: #1f2937;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    margin-top: 16px;
}

.btn-google-modal:hover {
    background: #f9fafb;
    border-color: #d1d5db;
}

.modal-privacy {
    text-align: center;
    font-size: 12px;
    color: #6b7280;
    margin-top: 16px;
}

.modal-privacy a {
    color: #2563eb;
    text-decoration: none;
}

.modal-privacy a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 992px) {
    .tests-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-right {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 32px;
    }
    
    .tests-grid {
        grid-template-columns: 1fr;
    }
    
    .application-cards {
        grid-template-columns: 1fr;
    }
    
    .tabs {
        gap: 15px;
        overflow-x: auto;
    }
    
    .tab {
        font-size: 16px;
        white-space: nowrap;
    }
    
    .header-buttons {
        gap: 8px;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .how-to-start-section h2,
    .faq-section h2,
    .applications-section h2 {
        font-size: 24px;
    }
    
    .modal-content {
        padding: 30px 24px;
        max-width: 95%;
    }
    
    .modal-content h2 {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 24px;
    }
    
    .hero {
        padding: 60px 20px;
    }
    
    .scroll-btn {
        width: 50px;
        height: 50px;
        font-size: 24px;
    }
}
/* ========================================
   PAGE HERO (FOR LESSONS & PRICING)
   ======================================== */

.page-hero {
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    color: white;
    padding: 80px 0 60px 0;
    text-align: center;
}

.page-hero h1 {
    font-size: 42px;
    margin-bottom: 16px;
    font-weight: 700;
}

.page-hero p {
    font-size: 18px;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.95;
}

/* ========================================
   LESSONS SECTION
   ======================================== */

.lessons-section,
.pricing-section {
    padding: 60px 0 80px 0;
    background: #f3f4f6;
}

.lessons-section {
    background: white;
}

.lessons-grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-top: 40px;
}

.lesson-card-modern {
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 16px;
    padding: 32px;
    transition: all 0.3s;
    position: relative;
}

.lesson-card-modern:hover {
    border-color: #2563eb;
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.15);
    transform: translateY(-4px);
}

.lesson-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.lesson-icon-large {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lesson-badge {
    background: #2563eb;
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.lesson-card-modern h3 {
    font-size: 22px;
    color: #1f2937;
    margin-bottom: 12px;
    font-weight: 700;
}

.lesson-card-modern p {
    color: #6b7280;
    margin-bottom: 20px;
    line-height: 1.6;
}

.lesson-features {
    list-style: none;
    margin-bottom: 24px;
    padding: 0;
}

.lesson-features li {
    padding: 8px 0;
    color: #4b5563;
    font-size: 14px;
}

.lesson-features .check {
    color: #10b981;
    font-weight: 700;
    margin-right: 8px;
}

.btn-lesson-modern {
    width: 100%;
    padding: 14px;
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-lesson-modern:hover {
    background: #1d4ed8;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.lessons-cta {
    text-align: center;
    margin-top: 80px;
    padding: 48px;
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
    border-radius: 16px;
}

.lessons-cta h2 {
    font-size: 32px;
    color: #1f2937;
    margin-bottom: 12px;
}

.lessons-cta p {
    font-size: 16px;
    color: #6b7280;
    margin-bottom: 24px;
}

/* ========================================
   PRICING HERO
   ======================================== */

.pricing-hero {
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    color: white;
    padding: 80px 0 60px 0;
    text-align: center;
}

.pricing-hero h1 {
    font-size: 42px;
    margin-bottom: 16px;
    font-weight: 700;
}

.pricing-hero p {
    font-size: 18px;
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto;
}

/* ========================================
   PRICING SECTION WITH TABS
   ======================================== */

.pricing-section-modern {
    padding: 60px 0 80px 0;
    background: #f3f4f6;
}

.pricing-tabs {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
}

.pricing-tab {
    padding: 14px 48px;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.3s;
}

.pricing-tab:hover {
    border-color: #2563eb;
    color: #2563eb;
}

.pricing-tab.active {
    background: #2563eb;
    border-color: #2563eb;
    color: white;
}

.pricing-tab-content {
    display: none;
    animation: fadeInUp 0.5s ease;
}

.pricing-tab-content.active {
    display: block;
}

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

/* ========================================
   PRICING CARDS
   ======================================== */

.pricing-cards-modern {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card-modern {
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 16px;
    padding: 40px 32px;
    text-align: center;
    position: relative;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

.pricing-card-modern:hover {
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    transform: translateY(-4px);
}

.pricing-card-modern.featured {
    border-color: #2563eb;
    border-width: 3px;
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.2);
}

.popular-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: #2563eb;
    color: white;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.save-badge {
    display: inline-block;
    background: #10b981;
    color: white;
    padding: 6px 16px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    margin-top: 12px;
}

.plan-name {
    font-size: 24px;
    color: #1f2937;
    margin-bottom: 20px;
    font-weight: 700;
}

.plan-price {
    margin-bottom: 8px;
}

.price-amount {
    font-size: 56px;
    font-weight: 700;
    color: #2563eb;
    line-height: 1;
}

.price-currency {
    font-size: 20px;
    color: #6b7280;
    margin-left: 4px;
    font-weight: 400;
}

.plan-duration {
    color: #6b7280;
    font-size: 15px;
    margin-bottom: 32px;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 0 0 32px 0;
    text-align: left;
    flex-grow: 1;
}

.plan-features li {
    padding: 12px 0;
    color: #4b5563;
    font-size: 15px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.icon-check {
    color: #10b981;
    font-weight: 700;
    font-size: 18px;
    flex-shrink: 0;
}

.btn-choose-plan {
    width: 100%;
    padding: 14px;
    background: white;
    color: #2563eb;
    border: 2px solid #2563eb;
    border-radius: 10px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: auto;
}

.btn-choose-plan:hover {
    background: #eff6ff;
    transform: translateY(-2px);
}

.btn-choose-plan.featured-btn {
    background: #2563eb;
    color: white;
    border-color: #2563eb;
}

.btn-choose-plan.featured-btn:hover {
    background: #1d4ed8;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* ========================================
   PAYMENT METHODS
   ======================================== */

.payment-methods-section {
    text-align: center;
    margin-top: 60px;
    padding: 40px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.payment-methods-section h3 {
    font-size: 22px;
    color: #1f2937;
    margin-bottom: 24px;
    font-weight: 700;
}

.payment-methods-grid {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.payment-method {
    padding: 14px 32px;
    background: #f9fafb;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    font-weight: 600;
    color: #1f2937;
    font-size: 15px;
}

/* ========================================
   PRICING FAQ
   ======================================== */

.pricing-faq {
    margin-top: 80px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-faq h2 {
    text-align: center;
    font-size: 32px;
    color: #1f2937;
    margin-bottom: 40px;
    font-weight: 700;
}

.faq-item {
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 16px;
    transition: all 0.3s;
}

.faq-item:hover {
    border-color: #2563eb;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
}

.faq-item h4 {
    font-size: 18px;
    color: #1f2937;
    margin-bottom: 12px;
    font-weight: 600;
}

.faq-item p {
    color: #6b7280;
    line-height: 1.6;
    margin: 0;
}

/* ========================================
   MAIN NAVIGATION
   ======================================== */

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

.main-nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: all 0.3s;
    position: relative;
    padding: 8px 0;
}

.main-nav a:hover,
.main-nav a.active {
    color: #dbeafe;
}

.main-nav a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: white;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 992px) {
    .pricing-cards-modern {
        grid-template-columns: 1fr;
        max-width: 500px;
    }
    
    .lessons-grid-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
    }
    
    .pricing-hero h1,
    .page-hero h1 {
        font-size: 32px;
    }
    
    .pricing-tabs {
        flex-direction: column;
        gap: 12px;
    }
    
    .pricing-tab {
        width: 100%;
        padding: 12px 32px;
    }
    
    .lessons-grid-cards {
        grid-template-columns: 1fr;
    }
    
    .pricing-cards-modern {
        grid-template-columns: 1fr;
    }
    
    .price-amount {
        font-size: 48px;
    }
    
    .payment-methods-grid {
        flex-direction: column;
    }
    
    .payment-method {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .pricing-hero h1,
    .page-hero h1 {
        font-size: 28px;
    }
    
    .pricing-hero p,
    .page-hero p {
        font-size: 16px;
    }
    
    .pricing-card-modern {
        padding: 32px 24px;
    }
    
    .lesson-card-modern {
        padding: 24px;
    }
}