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

a {
    color: white
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(180deg, #4d5a94 0%, #2b282e 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    background: white;
    min-height: 100vh;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.1);
}

header {
    text-align: center;
    padding: 60px 0 40px;
    background: linear-gradient(180deg, #e7e9f4 0%, #4d5a94  100%);
}

header h1 {
    font-size: 4rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 10px;
    letter-spacing: -2px;
}

header h2 {
    font-size: 1.5rem;
    font-weight: 400;
    color: white;
    margin-bottom: 20px;
}

.subtitle {
    font-size: 1.1rem;
    color: white;
    max-width: 600px;
    margin: 0 auto;
}

.hero {
    padding: 60px 0;
    text-align: center;
}

.app-preview {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.app-preview img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    display: block;
    margin: 0 auto;
}

.placeholder-preview {
    display: none; /* Hide when real image is available */
}

.mock-window {
    background: #f8f9fa;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    margin: 0 auto;
    max-width: 600px;
}

.mock-titlebar {
    background: #e9ecef;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #dee2e6;
}

.mock-buttons {
    display: flex;
    gap: 8px;
    margin-right: 20px;
}

.mock-button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.mock-button.red { background: #ff5f56; }
.mock-button.yellow { background: #ffbd2e; }
.mock-button.green { background: #27ca3f; }

.mock-title {
    font-size: 0.9rem;
    color: #6c757d;
    font-weight: 500;
}

.mock-content {
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.mock-section {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.mock-section .material-icons {
    color: #667eea;
    font-size: 24px;
}

.mock-section span:last-child {
    font-weight: 500;
    color: #495057;
}

.features {
    padding: 80px 0;
    background: #f8f9fa;
}

.features h3 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.feature {
    background: white;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.feature .material-icons {
    font-size: 48px;
    color: #667eea;
    margin-bottom: 20px;
}

.feature h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 15px;
}

.feature p {
    color: #6c757d;
    line-height: 1.6;
}

.tech-stack {
    padding: 60px 0;
    text-align: center;
}

.tech-stack h3 {
    font-size: 2rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 40px;
}

.tech-list {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.tech-badge {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 500;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.download {
    padding: 80px 0;
    background: #f8f9fa;
    text-align: center;
}

.download h3 {
    font-size: 2.5rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 20px;
}

.download p {
    font-size: 1.1rem;
    color: #6c757d;
    margin-bottom: 50px;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px 35px;
    background: white;
    border-radius: 12px;
    text-decoration: none;
    color: #2c3e50;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    min-width: 200px;
    position: relative;
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.download-btn .material-icons {
    font-size: 40px;
    color: #667eea;
}

.download-btn div {
    text-align: left;
}

.download-btn strong {
    display: block;
    font-size: 1.2rem;
    font-weight: 600;
}

.download-btn small {
    color: #6c757d;
    font-size: 0.9rem;
}

.download-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.download-btn.available .download-badge {
    background: linear-gradient(135deg, #27ca3f 0%, #22a134 100%);
    color: white;
    box-shadow: 0 2px 10px rgba(39, 202, 63, 0.4);
}

.download-btn.coming-soon .download-badge {
    background: linear-gradient(135deg, #ffa726 0%, #ff9800 100%);
    color: white;
    box-shadow: 0 2px 10px rgba(255, 167, 38, 0.4);
}

.download-btn.coming-soon {
    opacity: 0.7;
}

.download-btn.coming-soon:hover {
    opacity: 0.9;
}

.system-requirements {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    text-align: left;
    max-width: 600px;
    margin: 0 auto;
}

.system-requirements h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 20px;
    text-align: center;
}

.system-requirements ul {
    list-style: none;
}

.system-requirements li {
    padding: 8px 0;
    color: #495057;
    border-bottom: 1px solid #e9ecef;
}

.system-requirements li:last-child {
    border-bottom: none;
}

.security-notice {
    margin-top: 30px;
    padding: 20px;
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 8px;
    border-left: 4px solid #f39c12;
}

.security-notice h5 {
    color: #d68910;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.security-notice p {
    color: #85651d;
    margin-bottom: 10px;
    line-height: 1.5;
}

.security-notice ol {
    color: #85651d;
    padding-left: 20px;
    margin-bottom: 10px;
}

.security-notice li {
    margin-bottom: 5px;
    border-bottom: none;
    padding: 0;
}

.security-notice small {
    color: #a0895c;
    font-style: italic;
}

.security-notice h6 {
    color: #d68910;
    font-size: 1rem;
    font-weight: 600;
    margin: 20px 0 10px 0;
}

.security-notice code {
    background: rgba(255, 255, 255, 0.8);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: Monaco, 'Courier New', monospace;
    font-size: 0.85rem;
    color: #2c3e50;
    word-break: break-all;
}

.portfolio-note {
    padding: 60px 0;
    background: linear-gradient(180deg, #e7e9f4 0%, #4d5a94  100%);
    color: white;
}

.note-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.note-content h4 {
    color: #2c3e50;
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.note-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.note-content ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    text-align: left;
}

.note-content li {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px 20px;
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

footer {
    padding: 40px 0;
    text-align: center;
    background: #2c3e50;
    color: white;
}

footer a {
    color: white;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

.version {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-top: 10px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    header h1 {
        font-size: 2.5rem;
    }
    
    header h2 {
        font-size: 1.2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .download-btn {
        min-width: 250px;
    }

    
    .mock-content {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    header {
        padding: 40px 0 30px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .features, .download {
        padding: 60px 0;
    }
    
    .features h3, .download h3 {
        font-size: 2rem;
    }
}