/* Download Page Styles */
.download-hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: 120px 0 80px;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
}

.download-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* App Preview */
.app-preview {
    display: flex;
    justify-content: center;
    margin-top: 3rem;
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: linear-gradient(145deg, #2c3e50, #34495e);
    border-radius: 35px;
    padding: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    position: relative;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 6px;
    background: #34495e;
    border-radius: 3px;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--white);
    border-radius: 25px;
    overflow: hidden;
    position: relative;
}

.app-interface {
    padding: 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-light);
}

.app-logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-blue);
}

.app-menu {
    font-size: 20px;
    color: var(--text-gray);
}

.app-content {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.feature-card {
    background: var(--accent-blue);
    padding: 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.feature-icon {
    font-size: 24px;
}

.feature-card h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0;
}

/* Download Section */
.download-section {
    padding: 80px 0;
    background: var(--background-light);
}

.download-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.download-card {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    position: relative;
}

.download-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.platform-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-blue);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    margin: 0 auto 1.5rem;
}

.platform-icon.android {
    background: #3DDC84;
}

.platform-icon.web {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.download-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.download-card p {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

.version-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

.download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-ios {
    background: var(--text-dark);
    color: var(--white);
}

.btn-ios:hover {
    background: #333;
    transform: translateY(-2px);
}

.btn-android {
    background: #3DDC84;
    color: var(--white);
}

.btn-android:hover {
    background: #2fc470;
    transform: translateY(-2px);
}

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

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

/* App Features */
.app-features {
    padding: 80px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border-left: 4px solid var(--primary-blue);
}

.feature-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.feature-item .feature-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    margin-bottom: 1.5rem;
}

.feature-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.feature-item p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* System Requirements */
.system-requirements {
    padding: 80px 0;
    background: var(--background-light);
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.requirement-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-light);
}

.requirement-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    border-bottom: 2px solid var(--primary-blue);
    padding-bottom: 0.5rem;
}

.requirement-card ul {
    list-style: none;
    padding: 0;
}

.requirement-card li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-gray);
    line-height: 1.5;
}

.requirement-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
}

/* App Support */
.app-support {
    padding: 80px 0;
}

.support-content {
    max-width: 800px;
    margin: 0 auto;
}

.support-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.support-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-light);
}

.support-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.support-item p {
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.support-item ul {
    list-style: none;
    padding: 0;
}

.support-item li {
    margin-bottom: 0.5rem;
    color: var(--text-gray);
}

.link {
    color: var(--primary-blue);
    text-decoration: none;
    transition: var(--transition);
}

.link:hover {
    text-decoration: underline;
    color: var(--secondary-blue);
}

/* Responsive Design */
@media (max-width: 768px) {
    .page-title {
        font-size: 2.5rem;
    }
    
    .phone-mockup {
        width: 240px;
        height: 480px;
    }
    
    .download-options {
        grid-template-columns: 1fr;
    }
    
    .download-card {
        padding: 2rem 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .requirements-grid {
        grid-template-columns: 1fr;
    }
    
    .support-info {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 2rem;
    }
    
    .phone-mockup {
        width: 200px;
        height: 400px;
        padding: 15px;
    }
    
    .app-interface {
        padding: 15px;
    }
    
    .feature-card {
        padding: 15px;
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .download-card {
        padding: 1.5rem;
    }
    
    .platform-icon {
        width: 60px;
        height: 60px;
    }
}