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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Cookie Consent */
.cookie-consent {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    opacity: 1;
    visibility: visible;
    transition: all 0.3s ease;
}

.cookie-consent.hidden {
    opacity: 0;
    visibility: hidden;
}

.cookie-content {
    background: white;
    padding: 30px;
    border-radius: 8px;
    max-width: 500px;
    margin: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.cookie-content h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.cookie-content p {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.5;
}

.cookie-buttons {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
}

.btn-accept, .btn-refuse {
    padding: 10px 20px;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-accept {
    background: #7C3AED;
    color: white;
}

.btn-accept:hover {
    background: #6D28D9;
}

.btn-refuse {
    background: #E5E7EB;
    color: #374151;
}

.btn-refuse:hover {
    background: #D1D5DB;
}

/* Header */
.header {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 18px;
    color: #7C3AED;
}

.logo-icon {
    font-size: 24px;
}

.nav-menu {
    display: flex;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: #374151;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #7C3AED;
}

.burger-menu {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.burger-menu span {
    width: 25px;
    height: 3px;
    background: #7C3AED;
    transition: all 0.3s ease;
}

.burger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.burger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Hero Section */
.hero {
    color: white;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
background: url(./img/i1.png) no-repeat center/cover;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text h1 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-text p {
    font-size: 16px;
    margin-bottom: 15px;
    opacity: 0.9;
}

.signup-form {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.signup-form input {
    width: 100%;
    padding: 15px;
    margin-bottom: 15px;
    border: 2px solid #E5E7EB;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.signup-form input:focus {
    outline: none;
    border-color: #7C3AED;
}

.submit-btn {
    width: 100%;
    background: #7C3AED;
    color: white;
    padding: 15px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

.submit-btn:hover {
    background: #6D28D9;
}

/* About Section */
.about {
    padding: 80px 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 60px;
    align-items: center;
}

.about-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-text h2 {
    font-size: 36px;
    font-weight: 700;
    color: #1F2937;
    margin-bottom: 20px;
}

.about-text p {
    font-size: 16px;
    color: #6B7280;
    margin-bottom: 15px;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: #F9FAFB;
}

.features h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    color: #1F2937;
    margin-bottom: 15px;
}

.features-subtitle {
    text-align: center;
    font-size: 16px;
    color: #6B7280;
    margin-bottom: 50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1F2937;
    margin-bottom: 15px;
}

.feature-card p {
    font-size: 14px;
    color: #6B7280;
    line-height: 1.5;
}

/* Learning Section */
.learning {
    padding: 80px 0;
    background: white;
}

.learning-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 60px;
    align-items: center;
}

.learning-text h2 {
    font-size: 36px;
    font-weight: 700;
    color: #1F2937;
    margin-bottom: 20px;
}

.learning-text p {
    font-size: 16px;
    color: #6B7280;
    line-height: 1.6;
}

.learning-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Testimonials Section */
.testimonials {
    padding: 80px 0;
    background: #7C3AED;
    color: white;
}

.testimonials h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 50px;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 25px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.stars {
    font-size: 18px;
    margin-bottom: 15px;
}

.testimonial-card p {
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 20px;
    opacity: 0.9;
}

.testimonial-author {
    font-weight: 600;
    font-size: 14px;
}

/* FAQ Section */
.faq {
    padding: 80px 0;
    background: white;
}

.faq h2 {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    color: #1F2937;
    margin-bottom: 50px;
}

.faq-item {
    margin-bottom: 20px;
    border: 1px solid #E5E7EB;
    border-radius: 8px;
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: #7C3AED;
    color: white;
    cursor: pointer;
    font-weight: 500;
}

.faq-toggle {
    transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 20px;
    max-height: 200px;
}

.faq-answer p {
    color: #6B7280;
    line-height: 1.5;
}

/* Footer */
.footer {
    background: #7C3AED;
    color: white;
    padding: 40px 0;
}

.footer-content {
    text-align: center;
    margin-bottom: 20px;
}

.footer-content p {
    margin-bottom: 5px;
    opacity: 0.9;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
}

/* Thank You Page Styles */
.thank-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #F9FAFB;
}

.thank-content {
    text-align: center;
    max-width: 600px;
    padding: 40px;
}

.thank-content h1 {
    font-size: 48px;
    font-weight: 700;
    color: #1F2937;
    margin-bottom: 20px;
}

.thank-content p {
    font-size: 16px;
    color: #6B7280;
    margin-bottom: 30px;
    line-height: 1.6;
}

.return-btn {
    background: #7C3AED;
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.return-btn:hover {
    background: #6D28D9;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 36px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .learning-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .burger-menu {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-list {
        flex-direction: column;
        padding: 20px;
        gap: 15px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-text h1 {
        font-size: 28px;
    }
    
    .signup-form {
        padding: 25px;
    }
    
    .about, .features, .learning, .testimonials, .faq {
        padding: 60px 0;
    }
    
    .features h2, .about-text h2, .learning-text h2, .testimonials h2, .faq h2 {
        font-size: 28px;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
    
    .cookie-content {
        margin: 10px;
        padding: 20px;
    }
    
    .cookie-buttons {
        flex-direction: column;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-text h1 {
        font-size: 24px;
    }
    
    .signup-form {
        padding: 20px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card {
        padding: 25px;
    }
    
    .faq-question {
        padding: 15px;
        font-size: 14px;
    }
    
    .thank-content h1 {
        font-size: 32px;
    }
}