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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    line-height: 1.6;
}

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

/* Header */
.header {
    padding: 20px 0;
}

.nav {
    background: rgba(231, 76, 60, 0.9);
    border-radius: 50px;
    padding: 15px 30px;
    display: flex;
    justify-content: center;
    gap: 40px;
    backdrop-filter: blur(10px);
}

.nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: opacity 0.3s ease;
}

.nav a:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero {
    padding: 60px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.hero-content {
    flex: 1;
    max-width: 500px;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 30px;
    line-height: 1.2;
}

.hero p {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.9;
    line-height: 1.6;
}

.btn {
    background: #4ECDC4;
    color: #333;
    padding: 15px 30px;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn:hover {
    transform: translateY(-2px);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

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

/* Knowledge Section */
.knowledge-section {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 30px;
    padding: 60px 40px;
    margin: 60px 0;
    backdrop-filter: blur(10px);
}

.knowledge-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.knowledge-image {
    flex: 0 0 200px;
}

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

.knowledge-text {
    flex: 1;
}

.knowledge-text h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 30px;
    line-height: 1.2;
}

.knowledge-text p {
    font-size: 16px;
    margin-bottom: 20px;
    opacity: 0.9;
}

/* Proposals Section */
.proposals {
    background: #4ECDC4;
    color: #333;
    border-radius: 30px;
    padding: 60px 40px;
    margin: 60px 0;
}

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

.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.book-card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.book-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
}

.book-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.book-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
}

.book-card p {
    font-size: 14px;
    line-height: 1.5;
    color: #666;
}

/* Form Section */
.form-section {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 30px;
    padding: 60px 40px;
    margin: 60px 0;
    backdrop-filter: blur(10px);
    text-align: center;
}

.form-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.form-text {
    flex: 1;
}

.form-text h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 30px;
}

.form-text p {
    font-size: 16px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.form-container {
    flex: 1;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group input {
    width: 100%;
    padding: 15px 20px;
    border: none;
    border-radius: 15px;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.9);
}

.form-group input::placeholder {
    color: #999;
}

.form-image {
    flex: 0 0 200px;
    display: flex;
    justify-content: center;
}

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

/* Footer */
.footer {
    background: rgba(231, 76, 60, 0.9);
    padding: 30px 0;
    text-align: center;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

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

.footer-links a {
    color: white;
    text-decoration: none;
    font-size: 14px;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 0.8;
}

.copyright {
    font-size: 14px;
    opacity: 0.8;
}

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.95);
    color: #333;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    display: none;
    backdrop-filter: blur(10px);
}

.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.cookie-text {
    flex: 1;
    font-size: 14px;
}

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

.cookie-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.cookie-accept {
    background: #4ECDC4;
    color: #333;
}

.cookie-decline {
    background: #e74c3c;
    color: white;
}

.cookie-btn:hover {
    opacity: 0.9;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }

    .knowledge-content {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }

    .form-content {
        flex-direction: column;
        gap: 40px;
    }

    .nav {
        gap: 20px;
        flex-wrap: wrap;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .knowledge-text h2,
    .proposals h2,
    .form-text h2 {
        font-size: 28px;
    }

    .nav {
        padding: 15px 20px;
        gap: 15px;
    }

    .nav a {
        font-size: 14px;
    }

    .hero,
    .knowledge-section,
    .proposals,
    .form-section {
        padding: 40px 20px;
    }

    .books-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .cookie-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .cookie-buttons {
        justify-content: center;
    }

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

    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 28px;
    }

    .knowledge-text h2,
    .proposals h2,
    .form-text h2 {
        font-size: 24px;
    }

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

    .book-card {
        padding: 20px;
    }
}