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

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

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

/* Navigation */
.main-nav {
    background: #1a1a2e;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
}

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

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

.nav-links a:hover {
    color: #4ecdc4;
}

.ad-disclosure {
    color: #ff6b6b;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid #ff6b6b;
    padding: 4px 12px;
    border-radius: 4px;
}

.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    color: #ffffff;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-color: #0f3460;
}

.hero-image {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26,26,46,0.85), rgba(78,205,196,0.3));
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: #ffffff;
    max-width: 800px;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 800;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    background: #4ecdc4;
    color: #1a1a2e;
    padding: 16px 40px;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(78,205,196,0.4);
}

.cta-button:hover {
    background: #3dbdb5;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(78,205,196,0.6);
}

/* Intro Section */
.intro-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.intro-content h2 {
    font-size: 2.2rem;
    margin-bottom: 25px;
    color: #1a1a2e;
}

.intro-content p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: #555;
    max-width: 900px;
}

/* Courses Section */
.courses-section {
    padding: 80px 0;
    background: #ffffff;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #1a1a2e;
}

.cards-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}

.course-card {
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all 0.3s;
    width: calc(33.333% - 20px);
    min-width: 320px;
    display: flex;
    flex-direction: column;
    position: relative;
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.course-card.featured {
    border: 2px solid #4ecdc4;
}

.featured-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #4ecdc4;
    color: #1a1a2e;
    padding: 6px 16px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.85rem;
    z-index: 10;
}

.card-image-wrapper {
    width: 100%;
    height: 220px;
    overflow: hidden;
    background-color: #e9ecef;
}

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

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

.card-content {
    padding: 25px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-content h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #1a1a2e;
}

.card-content > p {
    color: #666;
    margin-bottom: 20px;
    flex-grow: 1;
}

.course-features {
    list-style: none;
    margin-bottom: 25px;
}

.course-features li {
    padding: 8px 0;
    color: #555;
    border-bottom: 1px solid #eee;
}

.course-features li:before {
    content: "✓ ";
    color: #4ecdc4;
    font-weight: 700;
    margin-right: 8px;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.price {
    font-size: 1.8rem;
    font-weight: 800;
    color: #1a1a2e;
}

.select-course {
    background: #1a1a2e;
    color: #ffffff;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.select-course:hover {
    background: #4ecdc4;
    color: #1a1a2e;
}

/* Testimonials */
.testimonial-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #ffffff;
}

.testimonial-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.testimonials-grid {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.testimonial-card {
    background: rgba(255,255,255,0.1);
    padding: 35px;
    border-radius: 12px;
    width: calc(33.333% - 20px);
    min-width: 280px;
    backdrop-filter: blur(10px);
}

.testimonial-card p {
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    font-weight: 600;
    color: #4ecdc4;
}

/* Form Section */
.form-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.form-wrapper {
    max-width: 700px;
    margin: 0 auto;
    background: #ffffff;
    padding: 50px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.form-header {
    text-align: center;
    margin-bottom: 40px;
}

.form-header h2 {
    font-size: 2.2rem;
    color: #1a1a2e;
    margin-bottom: 15px;
}

.form-header p {
    color: #666;
    font-size: 1.05rem;
}

.enrollment-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

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

.form-group label {
    margin-bottom: 8px;
    font-weight: 600;
    color: #1a1a2e;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4ecdc4;
}

.submit-button {
    background: #1a1a2e;
    color: #ffffff;
    padding: 16px 40px;
    border: none;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 10px;
}

.submit-button:hover {
    background: #4ecdc4;
    color: #1a1a2e;
    transform: translateY(-2px);
}

/* Trust Section */
.trust-section {
    padding: 80px 0;
    background: #ffffff;
}

.trust-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #1a1a2e;
}

.trust-grid {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
    justify-content: center;
}

.trust-item {
    width: calc(50% - 20px);
    min-width: 280px;
}

.trust-item h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #1a1a2e;
}

.trust-item p {
    color: #666;
    font-size: 1.05rem;
    line-height: 1.7;
}

/* Footer */
.main-footer {
    background: #1a1a2e;
    color: #ffffff;
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.footer-column {
    flex: 1;
    min-width: 220px;
}

.footer-column h4 {
    margin-bottom: 20px;
    font-size: 1.3rem;
    color: #4ecdc4;
}

.footer-column p {
    margin-bottom: 10px;
    opacity: 0.9;
}

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

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul li a {
    color: #ffffff;
    text-decoration: none;
    opacity: 0.9;
    transition: opacity 0.3s;
}

.footer-column ul li a:hover {
    opacity: 1;
    color: #4ecdc4;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
}

.disclaimer {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 20px;
    line-height: 1.6;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.copyright {
    opacity: 0.7;
    font-size: 0.95rem;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #1a1a2e;
    color: #ffffff;
    padding: 20px;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.2);
    z-index: 2000;
    display: none;
}

.cookie-banner.show {
    display: block;
}

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

.cookie-content p {
    flex: 1;
    margin: 0;
}

.cookie-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.cookie-btn {
    padding: 10px 24px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.cookie-btn.accept {
    background: #4ecdc4;
    color: #1a1a2e;
}

.cookie-btn.accept:hover {
    background: #3dbdb5;
}

.cookie-btn.reject {
    background: transparent;
    color: #ffffff;
    border: 1px solid #ffffff;
}

.cookie-btn.reject:hover {
    background: rgba(255,255,255,0.1);
}

.cookie-link {
    color: #4ecdc4;
    text-decoration: none;
    font-size: 0.95rem;
}

.cookie-link:hover {
    text-decoration: underline;
}

/* Thanks Page Styles */
.thanks-container {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.thanks-content {
    text-align: center;
    max-width: 700px;
    background: #ffffff;
    padding: 60px 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.thanks-content h1 {
    font-size: 2.8rem;
    color: #1a1a2e;
    margin-bottom: 20px;
}

.thanks-content p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 15px;
    line-height: 1.7;
}

.thanks-content .highlight {
    color: #4ecdc4;
    font-weight: 700;
}

.thanks-content .back-link {
    display: inline-block;
    margin-top: 30px;
    padding: 14px 36px;
    background: #1a1a2e;
    color: #ffffff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s;
}

.thanks-content .back-link:hover {
    background: #4ecdc4;
    color: #1a1a2e;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: #1a1a2e;
        flex-direction: column;
        padding: 20px;
        gap: 15px;
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-toggle {
        display: block;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .course-card,
    .testimonial-card,
    .trust-item {
        width: 100%;
        min-width: unset;
    }

    .cookie-content {
        flex-direction: column;
        text-align: center;
    }

    .form-wrapper {
        padding: 30px 20px;
    }
}