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

:root {
    --primary-color: #d4af37;
    --secondary-color: #1a1a2e;
    --accent-color: #e94560;
    --text-light: #ffffff;
    --text-dark: #333333;
    --bg-light: #f9f9f9;
    --shadow: 0 4px 20px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-light);
}

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

#reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    z-index: 9999;
    transition: width 0.1s ease;
}

.main-header {
    background: var(--secondary-color);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: var(--text-light);
    font-size: 1.8rem;
    font-weight: bold;
}

.logo img {
    border-radius: 50%;
    border: 3px solid var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0.5rem 1rem;
    border-radius: 5px;
}

.nav-link:hover,
.nav-link.active {
    background: var(--primary-color);
    color: var(--secondary-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-light);
    transition: var(--transition);
}

.hero-section {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #0f3460 100%);
    padding: 80px 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    min-height: 600px;
}

.hero-content {
    color: var(--text-light);
    padding: 40px;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    background: linear-gradient(90deg, var(--primary-color), #ffd700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-button-3d {
    display: inline-block;
    padding: 18px 40px;
    background: linear-gradient(145deg, var(--primary-color), #b8941e);
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    border-radius: 12px;
    box-shadow: 
        0 8px 15px rgba(212, 175, 55, 0.3),
        inset 0 -3px 7px rgba(0,0,0,0.2),
        inset 0 3px 7px rgba(255,255,255,0.3);
    transform: translateY(0);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.cta-button-3d:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 12px 25px rgba(212, 175, 55, 0.4),
        inset 0 -3px 7px rgba(0,0,0,0.3),
        inset 0 3px 7px rgba(255,255,255,0.4);
}

.cta-button-3d:active {
    transform: translateY(2px);
    box-shadow: 
        0 4px 10px rgba(212, 175, 55, 0.3),
        inset 0 3px 7px rgba(0,0,0,0.3);
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--secondary-color);
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.concept-section {
    padding: 80px 20px;
    background: var(--text-light);
}

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

.concept-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.8;
    text-align: justify;
}

.concept-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.features-section {
    padding: 80px 20px;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
}

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

.feature-card {
    background: var(--text-light);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.feature-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    color: var(--secondary-color);
    font-size: 1.5rem;
}

.cta-section {
    padding: 80px 20px;
    background: linear-gradient(135deg, var(--accent-color) 0%, #c23654 100%);
    color: var(--text-light);
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 1.3rem;
    margin-bottom: 30px;
}

.main-footer {
    background: var(--secondary-color);
    color: var(--text-light);
    padding: 60px 20px 20px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.footer-column p {
    margin-bottom: 10px;
    line-height: 1.8;
}

.footer-column i {
    color: var(--primary-color);
    margin-right: 10px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

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

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--secondary-color);
    color: var(--text-light);
    padding: 30px;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
    z-index: 10000;
    display: none;
}

.cookie-banner.show {
    display: block;
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
}

.cookie-content h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.cookie-content p {
    margin-bottom: 15px;
    line-height: 1.6;
}

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

.cookie-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.cookie-btn {
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.cookie-btn.accept {
    background: var(--primary-color);
    color: var(--secondary-color);
}

.cookie-btn.accept:hover {
    background: #ffd700;
}

.cookie-btn.reject {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--text-light);
}

.cookie-btn.reject:hover {
    background: var(--text-light);
    color: var(--secondary-color);
}

.cookie-btn.customize {
    background: var(--accent-color);
    color: var(--text-light);
}

.cookie-btn.customize:hover {
    background: #ff5577;
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--secondary-color);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 20px 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-section,
    .concept-content {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

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

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