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

body {
    font-family: 'Inter', sans-serif;
    background-color: #ffffff;
    color: #000000;
    line-height: 1.6;
}

/* Header */
.header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid #e5e5e5;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: #000000;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: #000000;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #666666;
}

/* Main Content */
.main-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
    text-align: center;
}

/* Hero Section */
.hero-section {
    margin-bottom: 4rem;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: #000000;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #666666;
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    background-color: #000000;
    color: #ffffff;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background-color: #333333;
    transform: translateY(-2px);
}

/* Illustration Section */
.illustration-section {
    margin-bottom: 3rem;
}

.illustration {
    max-width: 400px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
}

.iphone-frame {
    position: relative;
    width: 280px;
    height: 570px;
    background: linear-gradient(145deg, #1f1f1f, #2d2d2d, #1a1a1a);
    border-radius: 45px;
    padding: 10px;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.4),
        0 0 0 1px #000000,
        0 0 0 3px #333333,
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        inset 0 -1px 0 rgba(0, 0, 0, 0.3);
    margin: 0 auto;
    border: 1px solid #000000;
}

.iphone-frame::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 130px;
    height: 8px;
    background: linear-gradient(180deg, #000000, #1a1a1a);
    border-radius: 4px;
    z-index: 2;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}



.app-screenshot {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 35px;
    background-color: #ffffff;
    padding: 6px;
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.1);
}

/* Description Section */
.description-section {
    margin-bottom: 4rem;
}

.description-text {
    font-size: 1.125rem;
    color: #666666;
    max-width: 500px;
    margin: 0 auto;
}

/* Footer */
.footer {
    padding: 3rem 2rem;
    border-top: 1px solid #e5e5e5;
    background-color: #fafafa;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.footer-icon {
    width: 24px;
    height: 24px;
    border-radius: 6px;
}

.footer-logo-text {
    font-size: 1rem;
    font-weight: 600;
    color: #000000;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.footer-links a {
    color: #666666;
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #000000;
}

.copyright {
    color: #999999;
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .nav-links {
        gap: 1.5rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
    
    .main-content {
        padding: 3rem 1.5rem;
    }
    
    .header {
        padding: 1rem 1.5rem;
    }
}

/* Additional Page Styles */
.back-link {
    color: #000000;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: #666666;
}

.page-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.content-container {
    background-color: #ffffff;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #000000;
}

.page-date {
    font-size: 1rem;
    color: #666666;
    margin-bottom: 3rem;
}

.content-section {
    margin-bottom: 2.5rem;
}

.content-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #000000;
}

.content-section p {
    font-size: 1rem;
    line-height: 1.6;
    color: #333333;
    margin-bottom: 1rem;
}

.content-section ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.content-section li {
    font-size: 1rem;
    line-height: 1.6;
    color: #333333;
    margin-bottom: 0.5rem;
}

.content-section a {
    color: #000000;
    text-decoration: underline;
}

.content-section a:hover {
    color: #666666;
}

/* Support Page Styles */
.support-container {
    text-align: center;
}

.support-message {
    font-size: 1.25rem;
    color: #666666;
    margin-bottom: 1.5rem;
}

.support-email {
    font-size: 1.125rem;
    color: #000000;
    margin-bottom: 2rem;
    font-weight: 500;
}

.support-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: #000000;
    color: #ffffff;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.support-button:hover {
    background-color: #333333;
    transform: translateY(-2px);
}

.envelope-icon {
    font-size: 1rem;
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.875rem;
    }
    
    .logo-text {
        font-size: 1.125rem;
    }
    
    .nav-links {
        gap: 1rem;
        font-size: 0.875rem;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .page-content {
        padding: 3rem 1.5rem;
    }
}