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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #fff;
    background-color: #1a1a1a;
    overflow-x: hidden;
}

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

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar {
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand svg {
    height: 32px;
    width: auto;
}

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

.nav-menu a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #4CAF50;
}

.nav-buttons {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.btn-login {
    color: #fff;
    text-decoration: none;
    padding: 8px 16px;
    border: 1px solid #4CAF50;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-login:hover {
    background: #4CAF50;
    color: #fff;
}

.btn-signup {
    background: #4CAF50;
    color: #fff;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 4px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.btn-signup:hover {
    background: #45a049;
    transform: translateY(-2px);
}

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

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: #fff;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(76, 175, 80, 0.8), rgba(26, 26, 26, 0.9));
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #4CAF50, #81C784);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 2rem;
    color: #fff;
    margin-bottom: 2rem;
    font-weight: 600;
}

.payment-icons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.btn-hero {
    display: inline-block;
    background: #4CAF50;
    color: #fff;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 8px;
    font-size: 1.2rem;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

.btn-hero:hover {
    background: #45a049;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

.hero-image {
    text-align: center;
}

.hero-mascot {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Content Section */
.content-section {
    padding: 4rem 0;
    background: #2a2a2a;
}

.main-content {
    background: #333;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.main-content h1 {
    font-size: 2.5rem;
    color: #4CAF50;
    margin-bottom: 2rem;
    text-align: center;
}

.main-content h2 {
    font-size: 2rem;
    color: #4CAF50;
    margin: 3rem 0 1.5rem 0;
    border-bottom: 2px solid #4CAF50;
    padding-bottom: 0.5rem;
}

.main-content h3 {
    font-size: 1.5rem;
    color: #81C784;
    margin: 2rem 0 1rem 0;
}

.main-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: #ddd;
    font-size: 1.1rem;
}

.author-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 2rem 0;
    padding: 1.5rem;
    background: #444;
    border-radius: 10px;
    border-left: 4px solid #4CAF50;
}

.author-details {
    flex: 1;
}

.author-name {
    font-weight: bold;
    font-size: 1.1rem;
    color: #4CAF50;
}

.author-title {
    color: #aaa;
    font-size: 0.9rem;
}

.publish-date {
    color: #888;
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

/* Table Styles */
.info-table {
    margin: 2rem 0;
    overflow-x: auto;
}

.info-table table {
    width: 100%;
    border-collapse: collapse;
    background: #444;
    border-radius: 8px;
    overflow: hidden;
}

.info-table th,
.info-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #555;
}

.info-table th {
    background: #4CAF50;
    color: #fff;
    font-weight: bold;
}

.info-table td {
    color: #ddd;
}

.info-table tr:last-child td {
    border-bottom: none;
}

/* Features Section */
.features-section {
    padding: 4rem 0;
    background: #1a1a1a;
}

.features-title {
    text-align: center;
    font-size: 2.5rem;
    color: #4CAF50;
    margin-bottom: 3rem;
    font-weight: bold;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: #333;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: #4CAF50;
    box-shadow: 0 10px 25px rgba(76, 175, 80, 0.2);
}

.feature-icon {
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.3rem;
    color: #4CAF50;
    margin-bottom: 1rem;
    font-weight: bold;
}

.feature-text {
    color: #ddd;
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    padding: 4rem 0;
    background: linear-gradient(45deg, #4CAF50, #45a049);
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 1rem;
    font-weight: bold;
}

.cta-subtitle {
    font-size: 1.2rem;
    color: #fff;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.btn-cta {
    display: inline-block;
    background: #fff;
    color: #4CAF50;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 8px;
    font-size: 1.2rem;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Footer */
.footer {
    background: #111;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section {
    color: #ddd;
}

.footer-logo svg {
    height: 32px;
    margin-bottom: 1rem;
}

.footer-title {
    font-size: 1.2rem;
    color: #4CAF50;
    margin-bottom: 1rem;
    font-weight: bold;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #ddd;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #4CAF50;
}

.footer-text {
    color: #aaa;
    line-height: 1.6;
}

.contact-info div {
    margin-bottom: 0.5rem;
    color: #ddd;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-copyright {
    color: #888;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .main-content {
        padding: 2rem;
    }
    
    .main-content h1 {
        font-size: 2rem;
    }
    
    .main-content h2 {
        font-size: 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .features-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .main-content {
        padding: 1.5rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .info-table {
        font-size: 0.9rem;
    }
    
    .info-table th,
    .info-table td {
        padding: 8px 10px;
    }
}