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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'SF Pro Display', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background: #FFFFFF;
    color: #000000;
    min-height: 100vh;
    line-height: 1.5;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 32px;
    width: 100%;
    position: relative;
    border-bottom: 1px solid #e6e5e5;
    margin-bottom: 24px;
}

.logo {
    font-size: 20px;
    font-weight: 600;
    color: #000000;
    letter-spacing: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'SF Pro Display', 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

.login-link {
    font-size: 16px;
    color: #FFFFFF;
    text-decoration: none;
    font-weight: 500;
    background-color: #000000;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.2s ease;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'SF Pro Display', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    display: inline-block;
    line-height: 1.5;
}

.login-link:hover {
    background-color: #333333;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.login-link:active {
    transform: translateY(0);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 100px);
}

/* Hero Section */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.tagline {
    font-size: 40px;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: 1px;
    color: #222222;
    margin-bottom: 48px;
    text-align: center;
    padding: 0 10px;
    font-family: 'SF Pro', sans-serif;
}

/* Phone Mockup */
.phone-mockup {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-frame {
    position: relative;
    width: 320px;
    height: 640px;
    background-image: url('/static/imgs/frame.png');
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px 12px;
    box-sizing: border-box;
}

.phone-image {
    width: calc(100% - 24px);
    height: calc(100% - 40px);
    object-fit: cover;
    border-radius: 20px;
}

/* CTA Section */
.cta-section {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.app-store-button {
    display: inline-block;
    text-decoration: none;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.app-store-button:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

.app-store-button:active {
    transform: scale(0.98);
}

.app-store-image {
    height: 160px;
    width: auto;
    display: block;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        padding: 16px 24px;
    }
    
    .logo {
        font-size: 18px;
    }
    
    .login-link {
        font-size: 15px;
        padding: 9px 18px;
    }
    
    .container {
        padding: 0 20px;
        min-height: calc(100vh - 80px);
    }
    
    .tagline {
        font-size: 32px;
        letter-spacing: 1px;
        margin-bottom: 32px;
    }
    
    .phone-frame {
        width: 280px;
        height: 560px;
        padding: 18px 10px;
    }
    
    .phone-image {
        border-radius: 18px;
    }
    
    .app-store-image {
        height: 140px;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 12px 20px;
    }
    
    .logo {
        font-size: 16px;
    }
    
    .login-link {
        font-size: 14px;
        padding: 8px 16px;
    }
    
    .tagline {
        font-size: 28px;
        margin-bottom: 24px;
    }
    
    .phone-frame {
        width: 240px;
        height: 480px;
        padding: 15px 8px;
    }
    
    .phone-image {
        border-radius: 16px;
    }
    
    .app-store-image {
        height: 120px;
    }
}

/* Footer */
.footer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    padding: 30px 20px;
    margin-top: 60px;
    border-top: 1px solid #e6e5e5;
}

.footer-link {
    color: #999;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: #666;
}

/* App Coming Soon Label */
.coming-soon-label {
    font-size: 16px;
    color: #999;
    margin-bottom: 16px;
    text-align: center;
    font-style: italic;
    letter-spacing: 0.5px;
}

/* Blog Link */
.blog-link {
    color: #000000;
    text-decoration: underline;
    font-size: 18px;
    transition: color 0.2s ease;
    margin-top: 32px;
}

.blog-link:hover {
    color: #666;
}

@media (max-width: 768px) {
    .coming-soon-label {
        font-size: 14px;
    }
    
    .blog-link {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .coming-soon-label {
        font-size: 13px;
    }
    
    .blog-link {
        font-size: 15px;
    }
}