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

html {
    font-size: 10px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #333333;
    font-size: 1.6rem;
    background: #ffffff;
}

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

.container {
    max-width: 120rem;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #ffffff;
    border-top: 1px solid #e5e7eb;
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding: 2.4rem 2rem;
    max-width: 120rem;
    margin: 0 auto;
}

.cookie-text p {
    font-size: 1.4rem;
    color: #6b7280;
    margin: 0;
    line-height: 1.5;
}

.cookie-buttons {
    display: flex;
    gap: 1.2rem;
    flex-wrap: wrap;
}

.cookie-btn {
    padding: 1.2rem 2.4rem;
    border: none;
    border-radius: 0.8rem;
    font-size: 1.4rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.cookie-btn.accept {
    background: #4285f4;
    color: #ffffff;
}

.cookie-btn.accept:hover {
    background: #3367d6;
    transform: translateY(-1px);
}

.cookie-btn.decline {
    background: #f9fafb;
    color: #6b7280;
    border: 1px solid #d1d5db;
}

.cookie-btn.decline:hover {
    background: #f3f4f6;
    border-color: #9ca3af;
}

/* Header */
.header {
    background: #ffffff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    border-bottom: 1px solid #f3f4f6;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.6rem 0;
}

.logo a {
    font-size: 2.4rem;
    font-weight: 800;
    color: #1a1a1a;
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav-menu {
    display: none;
    list-style: none;
    gap: 3.2rem;
    align-items: center;
}

.nav-menu a {
    color: #4b5563;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.5rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #4285f4;
}

.nav-cta {
    display: none;
}

.nav-cta-btn {
    background: #4285f4;
    color: #ffffff;
    padding: 1rem 2.4rem;
    border-radius: 0.8rem;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.nav-cta-btn:hover {
    background: #3367d6;
    transform: translateY(-1px);
}

.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 2.4rem;
    height: 0.3rem;
    background: #374151;
    border-radius: 0.2rem;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: 12rem 0 8rem;
    background: linear-gradient(135deg, #f8faff 0%, #e8f2ff 100%);
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 4rem;
    align-items: center;
    text-align: center;
}

.hero-text h1 {
    font-size: 3.6rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 2.4rem;
    color: #111827;
    letter-spacing: -0.02em;
}

.hero-text .brand {
    color: #4285f4;
}

.hero-text p {
    font-size: 1.8rem;
    color: #6b7280;
    margin-bottom: 3.2rem;
    max-width: 60rem;
    line-height: 1.6;
}

.cta-button {
    background: #4285f4;
    color: #ffffff;
    padding: 1.6rem 3.2rem;
    border: none;
    border-radius: 1rem;
    font-size: 1.6rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    letter-spacing: -0.01em;
}

.cta-button:hover {
    background: #3367d6;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(66, 133, 244, 0.3);
}

.hero-image {
    width: 100%;
    max-width: 56rem;
}

.hero-image img {
    border-radius: 1.6rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    width: 100%;
}

/* Guide Section */
.guide-section {
    padding: 10rem 0;
    background: #ffffff;
}

.guide-header {
    text-align: center;
    margin-bottom: 8rem;
}

.guide-section h2 {
    font-size: 3.6rem;
    font-weight: 800;
    margin-bottom: 2.4rem;
    color: #111827;
    letter-spacing: -0.02em;
}

.guide-section p {
    font-size: 1.8rem;
    color: #6b7280;
    max-width: 80rem;
    margin: 0 auto;
    line-height: 1.6;
}

.features-grid {
    display: flex;
    flex-direction: column;
    gap: 3.2rem;
}

.feature-card {
    background: #ffffff;
    padding: 4rem 3rem;
    border-radius: 1.6rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #f3f4f6;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    width: 8rem;
    height: 8rem;
    margin: 0 auto 2.4rem;
    background: #f0f7ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-card h3 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1.6rem;
    color: #111827;
    letter-spacing: -0.01em;
}

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

/* Courses Section */
.courses-section {
    padding: 10rem 0;
    background: #f8faff;
}

.courses-header {
    text-align: center;
    margin-bottom: 8rem;
}

.courses-section h2 {
    font-size: 3.6rem;
    font-weight: 800;
    margin-bottom: 2.4rem;
    color: #111827;
    letter-spacing: -0.02em;
}

.courses-header p {
    font-size: 1.8rem;
    color: #6b7280;
    max-width: 80rem;
    margin: 0 auto;
    line-height: 1.6;
}

.courses-grid {
    display: flex;
    flex-direction: column;
    gap: 3.2rem;
}

.course-card {
    background: #ffffff;
    border-radius: 1.6rem;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid #f3f4f6;
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.course-card.highlight {
    border: 2px solid #4285f4;
}

.course-badge {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: #ef4444;
    color: #ffffff;
    padding: 0.8rem 1.6rem;
    border-radius: 2rem;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    z-index: 2;
}

.course-image {
    height: 24rem;
    overflow: hidden;
    position: relative;
}

.course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.course-card:hover .course-image img {
    transform: scale(1.05);
}

.course-content {
    padding: 3.2rem;
}

.course-content h3 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1.6rem;
    color: #111827;
    letter-spacing: -0.01em;
}

.course-content p {
    color: #6b7280;
    font-size: 1.6rem;
    line-height: 1.6;
}

/* Why Choose Section */
.why-choose-section {
    padding: 10rem 0;
   background: linear-gradient(0deg, rgba(255, 255, 255, 0.70) 0%, rgba(255, 255, 255, 0.70) 100%), url(img/5.png) lightgray 50% / cover no-repeat;
    color: #ffffff;
}

.why-choose-header {
    text-align: center;
    margin-bottom: 8rem;
}

.why-choose-section h2 {
    font-size: 3.6rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.02em;
}

.benefits-grid {
    display: flex;
    flex-direction: column;
    gap: 3.2rem;
}

.benefit-item {
    background: rgba(255, 255, 255, 0.08);
    padding: 3.2rem 2.4rem;
    border-radius: 1.6rem;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.benefit-item:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.12);
}

.benefit-icon {
    width: 7.2rem;
    height: 7.2rem;
    margin: 0 auto 2.4rem;
    background: #4285f4;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.benefit-item h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.6rem;
    color: #050505;
    letter-spacing: -0.01em;
}

.benefit-item p {
    color: #000000;
    font-size: 1.6rem;
    line-height: 1.6;
}

/* Reviews Section */
.reviews-section {
    padding: 10rem 0;
    background: #ffffff;
}

.reviews-header {
    text-align: center;
    margin-bottom: 8rem;
}

.reviews-section h2 {
    font-size: 3.6rem;
    font-weight: 800;
    color: #111827;
    letter-spacing: -0.02em;
}

.reviews-grid {
    display: flex;
    flex-direction: column;
    gap: 3.2rem;
}

.review-card {
    background: #ffffff;
    padding: 3.2rem;
    border-radius: 1.6rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border: 1px solid #f3f4f6;
}

.review-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.review-header {
    margin-bottom: 2.4rem;
}

.reviewer-info {
    display: flex;
    align-items: center;
    gap: 1.6rem;
}

.reviewer-avatar {
    width: 5.6rem;
    height: 5.6rem;
    border-radius: 50%;
    object-fit: cover;
}

.reviewer-details h4 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #111827;
    margin-bottom: 0.8rem;
}

.rating {
    display: flex;
    gap: 0.4rem;
}

.star {
    color: #fbbf24;
    font-size: 1.6rem;
}

.review-card p {
    color: #6b7280;
    font-size: 1.6rem;
    line-height: 1.7;
    font-style: italic;
}

/* Contact Section */
.contact-section {
    padding: 10rem 0;
    background: #f8faff;
}

.contact-content {
    max-width: 80rem;
    margin: 0 auto;
}

.contact-text {
    text-align: center;
    margin-bottom: 6rem;
}

.contact-text h2 {
    font-size: 3.6rem;
    font-weight: 800;
    margin-bottom: 2.4rem;
    color: #111827;
    letter-spacing: -0.02em;
}

.contact-text p {
    font-size: 1.8rem;
    color: #6b7280;
    line-height: 1.6;
}

.contact-form {
    background: #ffffff;
    padding: 4rem;
    border-radius: 1.6rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    border: 1px solid #f3f4f6;
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: 2.4rem;
    margin-bottom: 2.4rem;
}

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

.form-group label {
    font-size: 1.5rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.8rem;
    letter-spacing: -0.01em;
}

.form-group input,
.form-group textarea {
    padding: 1.6rem;
    border: 1px solid #d1d5db;
    border-radius: 1rem;
    font-size: 1.6rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: #ffffff;
    color: #111827;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4285f4;
    box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 12rem;
    line-height: 1.6;
}

.submit-button {
    background: #4285f4;
    color: #ffffff;
    padding: 1.6rem 3.2rem;
    border: none;
    border-radius: 1rem;
    font-size: 1.6rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    letter-spacing: -0.01em;
    margin-top: 1.6rem;
}

.submit-button:hover {
    background: #3367d6;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(66, 133, 244, 0.3);
}

/* Footer */
.footer {
background: #285092;
    color: #ffffff;
    padding: 8rem 0 3rem;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-section h3 {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 2rem;
    color: #ffffff;
    letter-spacing: -0.02em;
}

.footer-section h4 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #ffffff;
}

.footer-section p {
    color: #d1d5db;
    font-size: 1.6rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 1.2rem;
}

.footer-section ul li a {
    color: #d1d5db;
    text-decoration: none;
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #4285f4;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 3rem;
    text-align: center;
}

.footer-bottom p {
    color: #9ca3af;
    font-size: 1.4rem;
}

/* Tablet Styles */
@media (min-width: 768px) {
    .container {
        padding: 0 3rem;
    }

    .cookie-content {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        padding: 2.4rem 3rem;
    }

    .cookie-buttons {
        flex-shrink: 0;
    }

    .nav-menu {
        display: flex;
    }

    .nav-cta {
        display: block;
    }

    .nav-toggle {
        display: none;
    }

    .hero-content {
        flex-direction: row;
        text-align: left;
        gap: 6rem;
    }

    .hero-text {
        flex: 1;
    }

    .hero-text h1 {
        font-size: 4.8rem;
    }

    .hero-image {
        flex: 1;
        max-width: none;
    }

    .features-grid {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 3.2rem;
    }

    .feature-card {
        flex: 1;
        min-width: 32rem;
    }

    .courses-grid {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 3.2rem;
    }

    .course-card {
        flex: 1;
        min-width: 35rem;
        max-width: calc(50% - 1.6rem);
    }

    .benefits-grid {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 3.2rem;
    }

    .benefit-item {
        flex: 1;
        min-width: 28rem;
    }

    .reviews-grid {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 3.2rem;
    }

    .review-card {
        flex: 1;
        min-width: 32rem;
    }

    .form-row {
        flex-direction: row;
    }

    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 4rem;
    }

    .footer-section {
        flex: 1;
        min-width: 24rem;
    }
}

/* Desktop Styles */
@media (min-width: 1024px) {
    .hero-text h1 {
        font-size: 5.6rem;
    }

    .hero-text p {
        font-size: 2rem;
    }

    .features-grid {
        gap: 4rem;
    }

    .feature-card {
        flex: 0 1 calc(33.333% - 2.67rem);
        min-width: auto;
    }

    .courses-grid {
        gap: 4rem;
    }

    .course-card {
        flex: 0 1 calc(50% - 2rem);
        min-width: auto;
    }

    .benefits-grid {
        gap: 3.2rem;
    }

    .benefit-item {
        flex: 0 1 calc(20% - 2.56rem);
        min-width: auto;
    }

    .reviews-grid {
        gap: 4rem;
    }

    .review-card {
        flex: 0 1 calc(33.333% - 2.67rem);
        min-width: auto;
    }
}

/* Large Desktop */
@media (min-width: 1200px) {
    .benefits-grid {
        flex-wrap: nowrap;
        gap: 2.4rem;
    }

    .benefit-item {
        flex: 1;
        min-width: 20rem;
    }

    .footer-content {
        flex-wrap: nowrap;
    }

    .footer-section {
        min-width: auto;
    }
}