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

:root {
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --accent-green: #00c853;
    --accent-blue: #2196f3;
    --border-color: #333333;
    --card-bg: #1a1a1a;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Navigation */
.navbar {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background-color: var(--bg-primary);
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    letter-spacing: 0.05em;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    flex: 1;
    justify-content: center;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    transition: opacity 0.3s;
}

.nav-links a:hover {
    opacity: 0.7;
}

.download-btn {
    background-color: rgb(255, 255, 255);
    color: #000;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    transition: background-color 0.3s;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
}

.download-btn:hover {
    background-color: #00b348;
}

.download-btn svg {
    width: 16px;
    height: 16px;
}

/* Hero Section */
.hero-section {
    padding: 4rem 2rem;
    min-height: calc(100vh - 100px);
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.hero-download-btn {
    font-size: 1rem;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 600px;
}

.phone-mockup-image {
    max-width: 100%;
    height: auto;
    width: auto;
    max-height: 800px;
    object-fit: contain;
}


/* Support Section */
.support-section {
    padding: 4rem 2rem;
    min-height: calc(100vh - 100px);
    display: flex;
    align-items: flex-start;
}

.support-container {
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

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

.support-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.form-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.submit-btn {
    background-color: rgb(255, 255, 255);
    color: #000;
    padding: 1rem 2rem;
    border-radius: 8px;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
    align-self: flex-start;
}

.submit-btn:hover {
    background-color: #00b348;
}

.privacy-note {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.privacy-note a {
    color: var(--accent-blue);
    text-decoration: none;
}

.privacy-note a:hover {
    text-decoration: underline;
}

/* Privacy Section */
.privacy-section {
    padding: 4rem 2rem;
    min-height: calc(100vh - 100px);
}

.privacy-container {
    max-width: 900px;
    margin: 0 auto;
}

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

.privacy-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.privacy-content h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 0.5rem;
}

.privacy-content p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.privacy-content ul {
    margin-left: 2rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.privacy-content li {
    margin-bottom: 0.5rem;
}

.privacy-content a {
    color: var(--accent-blue);
    text-decoration: none;
}

.privacy-content a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .hero-container {
        gap: 3rem;
    }
}

@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-visual {
        min-height: 500px;
        order: -1;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .nav-links {
        order: 3;
        width: 100%;
        justify-content: flex-start;
        margin-top: 1rem;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 1rem;
    }
    
    .nav-container {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .nav-links {
        gap: 1.5rem;
        margin-top: 0.5rem;
    }
    
    .download-btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-section {
        padding: 2rem 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .support-section,
    .privacy-section {
        padding: 2rem 1rem;
    }
    
    .support-title,
    .privacy-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .privacy-content h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }
}