body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: #667eea;
    text-decoration: none;
}

.logo::before {
    content: "🎯";
    font-size: 28px;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    background: #667eea;
    color: white;
}

.nav-links a.active {
    background: #667eea;
    color: white;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
}

.page-title {
    text-align: center;
    color: white;
    font-size: 3.5rem;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.page-subtitle {
    text-align: center;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.3rem;
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.download-sections {
    display: grid;
}

.section {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.download-section-title {
    font-size: 2rem;
    color: #2d3748;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.download-section-title::before {
    content: "";
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.download-section-description {
    color: #4a5568;
    font-size: 1.1rem;
    margin-bottom: 30px;
    line-height: 1.7;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.download-card {
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.download-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.2);
    border-color: #667eea;
}

.download-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.platform-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.platform-icon img {
    width: 50px;
    height: 50px;
    object-fit: contain;
    filter: none;
}

.platform-name {
    font-size: 1.4rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 10px;
}

.platform-description {
    color: #4a5568;
    font-size: 0.95rem;
    margin-bottom: 25px;
    line-height: 1.5;
}

.download-btn {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    width: 100%;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.download-btn:disabled {
    background: #cbd5e0;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.coming-soon {
    background: #fed7d7;
    color: #c53030;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 15px;
    display: inline-block;
}

.chip-variants {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 20px;
}

.chip-variant {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    transition: all 0.3s ease;
}

.chip-variant:hover {
    border-color: #667eea;
    background: #f7fafc;
}

.chip-name {
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.chip-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.chip-btn:hover {
    background: #5a67d8;
}

.web-section {
    background: linear-gradient(135deg, #48bb78, #38a169);
    color: white;
}

.web-section .download-section-title {
    color: white;
}

.web-section .download-section-title::before {
    background: rgba(255, 255, 255, 0.2);
}

.web-section .download-section-description {
    color: rgba(255, 255, 255, 0.9);
}

.web-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: white;
}

.web-card:hover {
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.2);
}

.web-card .platform-name {
    color: white;
}

.web-card .platform-description {
    color: rgba(255, 255, 255, 0.8);
}

.web-btn {
    background: white;
    color: #48bb78;
}

.web-btn:hover {
    background: #f7fafc;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

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

.feature-item {
    background: rgba(102, 126, 234, 0.1);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
}

.download-feature-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

.download-feature-title {
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 8px;
}

.download-feature-description {
    color: #4a5568;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: 20px;
    }

    .nav-links {
        gap: 15px;
    }

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

    .section {
        padding: 25px;
    }

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

    .chip-variants {
        grid-template-columns: 1fr;
    }

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