* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #0f172a;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #0f172a;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --error-color: #ef4444;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

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

.btn {
    display: inline-block;
    padding: 12px 28px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

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

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

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

.btn-outline:hover {
    background-color: var(--primary-color);
    color: #ffffff;
}

.btn-large {
    padding: 16px 36px;
    font-size: 18px;
}

.btn-block {
    display: block;
    width: 100%;
}

.header {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo a {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

.nav {
    display: flex;
    align-items: center;
}

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

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
    position: relative;
}

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

.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 0;
    min-width: 220px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 100;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 10px 20px;
    color: var(--text-primary);
    font-size: 14px;
    white-space: nowrap;
}

.dropdown-menu a:hover {
    background-color: var(--bg-secondary);
    color: var(--primary-color);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.burger-menu {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.burger-menu span {
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all 0.3s ease;
}

.burger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.burger-menu.active span:nth-child(2) {
    opacity: 0;
}

.burger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
}

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

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-description {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.hero-image img {
    width: 100%;
    height: auto;
}

.features {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-description {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
}

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

.feature-card {
    padding: 40px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    border-radius: 12px;
    overflow: hidden;
}

.feature-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.feature-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.feature-text {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.courses {
    padding: 100px 0;
    background-color: var(--bg-secondary);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.course-card {
    background-color: var(--bg-primary);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.course-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
}

.course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.course-content {
    padding: 32px;
}

.course-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.course-description {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 42px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.cta-description {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
    line-height: 1.7;
}

.cta .btn-primary {
    background-color: #ffffff;
    color: var(--primary-color);
}

.cta .btn-primary:hover {
    background-color: var(--bg-secondary);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.footer {
    background-color: var(--bg-dark);
    color: #ffffff;
    padding: 60px 0 0;
}

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

.footer-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: 16px;
}

.footer-text {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 16px;
}

.footer-contact {
    color: var(--text-light);
}

.footer-contact p {
    margin-bottom: 8px;
}

.footer-heading {
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-light);
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 24px 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-light);
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: var(--text-light);
}

.footer-legal a:hover {
    color: var(--primary-light);
}

.course-hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
    text-align: center;
}

.course-hero-title {
    font-size: 48px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.course-hero-description {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.course-details {
    padding: 80px 0;
}

.course-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

.course-image-large {
    width: 100%;
    height: 400px;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 40px;
}

.course-image-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.course-section {
    margin-bottom: 40px;
}

.course-section-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.course-text {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.course-list {
    list-style: none;
    padding-left: 0;
}

.course-list li {
    padding: 12px 0 12px 32px;
    position: relative;
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.course-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 18px;
}

.course-modules {
    display: grid;
    gap: 24px;
    margin-top: 24px;
}

.course-module {
    background-color: var(--bg-secondary);
    border-radius: 12px;
    padding: 28px;
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.course-module:hover {
    transform: translateX(8px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.15);
}

.module-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.module-description {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

.course-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.course-info-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 24px;
}

.course-info-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.course-info-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.course-info-item:last-of-type {
    border-bottom: none;
    margin-bottom: 24px;
}

.course-info-item strong {
    color: var(--text-primary);
}

.course-info-item span {
    color: var(--text-secondary);
}

.course-info-text {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.page-hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
    text-align: center;
}

.page-hero-title {
    font-size: 48px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.page-hero-description {
    font-size: 20px;
    color: var(--text-secondary);
}

.about-content {
    padding: 80px 0;
}

.about-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

.content-block {
    margin-bottom: 48px;
}

.content-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.content-text {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.content-list {
    list-style: none;
    padding-left: 0;
}

.content-list li {
    padding: 12px 0 12px 32px;
    position: relative;
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.content-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 24px;
}

.sidebar-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 24px;
    position: sticky;
    top: 100px;
}

.sidebar-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.sidebar-text {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.contact-info {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.contact-info p {
    margin-bottom: 8px;
}

.contact-info strong {
    color: var(--text-primary);
    display: block;
    margin-top: 16px;
}

.contact-info a {
    color: var(--primary-color);
}

.contact-section {
    padding: 80px 0;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
}

.form-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.form-description {
    font-size: 17px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-label {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-input,
.form-textarea {
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: all 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    margin-top: 4px;
    cursor: pointer;
}

.contact-info-wrapper {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-info-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
}

.contact-info-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.contact-info-text {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.contact-info-item {
    display: flex;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.contact-info-item:last-child {
    border-bottom: none;
}

.contact-info-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    border-radius: 8px;
    overflow: hidden;
}

.contact-info-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.contact-info-content h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.contact-info-content p,
.contact-info-content a {
    font-size: 15px;
    color: var(--text-secondary);
}

.contact-info-content a {
    color: var(--primary-color);
}

.business-hours {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 2;
}

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

.legal-content {
    padding: 80px 0;
}

.legal-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.legal-section {
    margin-bottom: 48px;
}

.legal-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.legal-subtitle {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 24px;
    margin-bottom: 16px;
}

.legal-subtitle + .legal-subtitle {
    font-size: 20px;
}

.legal-text strong {
    color: var(--text-primary);
    font-weight: 600;
}

.legal-text a {
    color: var(--primary-color);
    text-decoration: underline;
}

.legal-text a:hover {
    color: var(--primary-dark);
}

.legal-text {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.legal-list {
    list-style: none;
    padding-left: 0;
    margin: 20px 0;
}

.legal-list li {
    padding: 8px 0 8px 32px;
    position: relative;
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.legal-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 24px;
}

.thank-you-section {
    padding: 120px 0;
    text-align: center;
}

.thank-you-content {
    max-width: 600px;
    margin: 0 auto;
}

.thank-you-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 32px;
    border-radius: 50%;
    overflow: hidden;
}

.thank-you-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thank-you-title {
    font-size: 48px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.thank-you-text {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.thank-you-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 32px;
    flex-wrap: wrap;
}

.next-steps {
    padding: 60px 0 100px;
    background-color: var(--bg-secondary);
}

@media (max-width: 1024px) {
    .hero-title {
        font-size: 48px;
    }

    .section-title {
        font-size: 36px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    .courses-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }

    .course-layout {
        grid-template-columns: 1fr;
    }

    .about-layout {
        grid-template-columns: 1fr;
    }

    .contact-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 75px;
        left: 0;
        right: 0;
        background-color: var(--bg-primary);
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }

    .nav-list li {
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-list li:last-child {
        border-bottom: none;
    }

    .nav-link {
        display: block;
        padding: 12px 0;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        border: none;
        box-shadow: none;
        padding: 12px 0 12px 20px;
        background-color: var(--bg-secondary);
        display: none;
    }

    .nav-dropdown.active .dropdown-menu {
        display: block;
    }

    .burger-menu {
        display: flex;
    }

    .hero {
        padding: 60px 0;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-description {
        font-size: 18px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .features {
        padding: 60px 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .courses {
        padding: 60px 0;
    }

    .cta {
        padding: 60px 0;
    }

    .cta-title {
        font-size: 32px;
    }

    .cta-description {
        font-size: 18px;
    }

    .footer {
        padding: 40px 0 0;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom-content {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .course-hero {
        padding: 60px 0;
    }

    .course-hero-title {
        font-size: 36px;
    }

    .course-hero-description {
        font-size: 18px;
    }

    .course-details {
        padding: 60px 0;
    }

    .course-image-large {
        height: 250px;
    }

    .course-sidebar {
        position: static;
    }

    .page-hero {
        padding: 60px 0;
    }

    .page-hero-title {
        font-size: 36px;
    }

    .about-content {
        padding: 60px 0;
    }

    .content-title {
        font-size: 28px;
    }

    .contact-section {
        padding: 60px 0;
    }

    .legal-content {
        padding: 60px 0;
    }

    .legal-title {
        font-size: 28px;
    }

    .thank-you-section {
        padding: 80px 0;
    }

    .thank-you-title {
        font-size: 36px;
    }

    .next-steps {
        padding: 40px 0 60px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 32px;
    }

    .section-title {
        font-size: 28px;
    }

    .feature-card {
        padding: 24px;
    }

    .course-content {
        padding: 24px;
    }

    .course-image {
        height: 200px;
    }

    .course-info-card {
        padding: 24px;
    }

    .sidebar-card {
        padding: 24px;
    }

    .contact-info-card {
        padding: 24px;
    }

    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    .btn-large {
        padding: 12px 24px;
        font-size: 16px;
    }
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--bg-primary);
    border-top: 2px solid var(--primary-color);
    box-shadow: 0 -5px 30px rgba(0, 0, 0, 0.15);
    z-index: 9999;
    transform: translateY(100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}

.cookie-banner.show {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.cookie-banner-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
}

.cookie-banner-text {
    flex: 1;
}

.cookie-banner-text h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.cookie-banner-text p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.cookie-banner-text a {
    color: var(--primary-color);
    text-decoration: underline;
}

.cookie-banner-text a:hover {
    color: var(--primary-dark);
}

.cookie-banner-actions {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

.cookie-banner-actions .btn {
    padding: 10px 24px;
    font-size: 14px;
    white-space: nowrap;
}

@media (max-width: 768px) {
    .cookie-banner-content {
        flex-direction: column;
        align-items: stretch;
        gap: 20px;
        padding: 20px 16px;
    }

    .cookie-banner-actions {
        flex-direction: column;
        width: 100%;
    }

    .cookie-banner-actions .btn {
        width: 100%;
    }
}

@media (max-width: 320px) {
    html {
        font-size: 14px;
    }

    .hero-title {
        font-size: 28px;
    }

    .section-title {
        font-size: 24px;
    }

    .course-hero-title,
    .page-hero-title {
        font-size: 28px;
    }

    .thank-you-title {
        font-size: 28px;
    }

    .cookie-banner-text h3 {
        font-size: 16px;
    }

    .cookie-banner-text p {
        font-size: 13px;
    }
}

.stats {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.stats .section-header .section-title {
    color: #ffffff;
}

.stats .section-header .section-description {
    color: rgba(255, 255, 255, 0.9);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 40px 32px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.stat-number {
    font-size: 48px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 12px;
    line-height: 1;
}

.stat-label {
    font-size: 20px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 12px;
}

.stat-description {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.learning-process {
    padding: 80px 0;
    background-color: var(--bg-secondary);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 40px;
    margin-top: 48px;
}

.process-step {
    background-color: var(--bg-primary);
    border-radius: 16px;
    padding: 40px 32px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
}

.process-step:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(99, 102, 241, 0.15);
}

.process-number {
    display: inline-block;
    font-size: 48px;
    font-weight: 800;
    color: var(--primary-color);
    opacity: 0.2;
    margin-bottom: 16px;
    line-height: 1;
}

.process-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.process-text {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.testimonials {
    padding: 80px 0;
    background-color: var(--bg-primary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.testimonial-card {
    background-color: var(--bg-secondary);
    border-radius: 16px;
    padding: 40px 32px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.testimonial-rating {
    font-size: 24px;
    color: #fbbf24;
    margin-bottom: 20px;
    letter-spacing: 4px;
}

.testimonial-text {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 28px;
    font-style: italic;
}

.testimonial-author {
    border-top: 2px solid var(--border-color);
    padding-top: 20px;
}

.author-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.author-location {
    font-size: 14px;
    color: var(--text-light);
}

@media (max-width: 992px) {
    .stats-grid,
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .stat-number {
        font-size: 40px;
    }

    .stat-label {
        font-size: 18px;
    }

    .process-number {
        font-size: 40px;
    }

    .process-title {
        font-size: 20px;
    }
}

@media (max-width: 576px) {
    .stats {
        padding: 60px 0;
    }

    .learning-process,
    .testimonials {
        padding: 60px 0;
    }

    .stats-grid,
    .process-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .stat-card,
    .process-step,
    .testimonial-card {
        padding: 32px 24px;
    }

    .stat-number {
        font-size: 36px;
    }

    .stat-label {
        font-size: 16px;
    }

    .process-number {
        font-size: 36px;
    }

    .process-title {
        font-size: 18px;
    }

    .testimonial-rating {
        font-size: 20px;
    }
}