@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

:root {
    --bg-primary: #0f0f0f;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #262626;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --accent: #5865f2;
    --accent-hover: #4752c4;
    --border: rgba(255, 255, 255, 0.1);
    --shadow: rgba(0, 0, 0, 0.3);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: var(--transition);
}

body.light-theme {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-tertiary: #e8e8e8;
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --accent: #5865f2;
    --accent-hover: #4752c4;
    --border: rgba(0, 0, 0, 0.1);
    --shadow: rgba(0, 0, 0, 0.15);
}

.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--text-primary);
    transition: var(--transition);
    z-index: 1000;
    box-shadow: 0 4px 12px var(--shadow);
}

.theme-toggle:hover {
    background: var(--accent);
    color: white;
    transform: rotate(15deg) scale(1.1);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 60px 20px;
    background: var(--bg-secondary);
    border-radius: 24px;
    margin-bottom: 40px;
    box-shadow: 0 8px 32px var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.logo-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 15px;
}

.logo-icon {
    font-size: 3.5rem;
    color: var(--accent);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

h1 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.tagline {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.badges {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.badge {
    background: var(--bg-tertiary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    transition: var(--transition);
}

.download-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-row {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--accent);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(88, 101, 242, 0.4);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-primary);
    transform: translateY(-2px);
}

/* Features Section */
.features {
    margin: 40px 0;
    padding: 40px 20px;
    background: var(--bg-secondary);
    border-radius: 24px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    text-align: center;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.feature-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px var(--shadow);
    border-color: var(--accent);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 15px;
}

.feature-card h3 {
    color: var(--text-primary);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Editions Section */
.editions {
    margin: 40px 0;
    padding: 40px 20px;
    background: var(--bg-secondary);
    border-radius: 24px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.edition-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 20px;
    transition: var(--transition);
}

.edition-card:hover {
    border-color: var(--accent);
    box-shadow: 0 8px 24px var(--shadow);
}

.edition-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.edition-header i {
    font-size: 2rem;
    color: var(--accent);
}

.edition-header h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 0;
}

.edition-tag {
    background: var(--accent);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-left: auto;
}

.edition-description {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.edition-features {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
}

.edition-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.edition-features .fa-check {
    color: #4caf50;
}

.edition-features .fa-times {
    color: #f44336;
}

/* Downloads Section */
.downloads {
    margin: 40px 0;
    padding: 40px 20px;
    background: var(--bg-secondary);
    border-radius: 24px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.download-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: var(--transition);
}

.download-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px var(--shadow);
    border-color: var(--accent);
}

.download-card > i {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 10px;
}

.download-card h3 {
    color: var(--text-primary);
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.download-card p {
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-size: 0.85rem;
}

.download-dropdown {
    position: relative;
    display: inline-block;
    width: 100%;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
}

.dropdown-toggle .fa-chevron-down {
    font-size: 0.75rem;
    margin-left: auto;
    transition: transform 0.3s ease;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-top: 5px;
    overflow: hidden;
    z-index: 100;
    animation: slideDown 0.3s ease;
    box-shadow: 0 4px 12px var(--shadow);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-menu.show {
    display: block;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    color: var(--text-primary);
    background: transparent;
    border: none;
    width: 100%;
    text-align: left;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    border-bottom: 1px solid var(--border);
    text-decoration: none;
}

.dropdown-item:last-child {
    border-bottom: none;
}

.dropdown-item:hover {
    background: var(--bg-tertiary);
    color: var(--accent);
}

.dropdown-item i {
    color: var(--accent);
    width: 16px;
    font-size: 1rem;
}

.dropdown-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.dropdown-item.disabled:hover {
    background: transparent;
    color: var(--text-primary);
}

.btn-compact {
    padding: 12px 24px;
    font-size: 0.95rem;
    width: 100%;
    border-radius: 8px;
}

.btn-compact:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 20px;
    margin-top: 40px;
    border-top: 1px solid var(--border);
}

footer p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--accent);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    padding: 10px 15px;
    border-radius: 8px;
    background: var(--bg-secondary);
}

.footer-links a:hover {
    background: var(--bg-tertiary);
    transform: translateY(-2px);
}

/* Gallery Section */
.gallery {
    margin: 40px 0;
    padding: 40px 20px;
    background: var(--bg-secondary);
    border-radius: 24px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-top: 30px;
}

.gallery-img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 4px 24px var(--shadow);
    border: 1px solid var(--border);
    background: var(--bg-tertiary);
    transition: transform 0.3s, box-shadow 0.3s;
}

.gallery-img:hover {
    transform: scale(1.04) translateY(-4px);
    box-shadow: 0 8px 32px var(--accent);
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .download-grid {
        grid-template-columns: 1fr;
    }
    
    .edition-features {
        grid-template-columns: 1fr;
    }
}