/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* Header Section */
.header {
    text-align: center;
    margin-bottom: 30px;
    padding-top: 20px;
}

.app-icon {
    margin-bottom: 15px;
}

.app-icon-img {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    margin: 0 auto;
    display: block;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.app-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 8px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.app-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
    margin-bottom: 8px;
}

.value-prop {
    font-size: 1.3rem;
    color: #FFD700;
    font-weight: 600;
    margin-bottom: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* Demo Section */
.demo-section {
    margin-bottom: 30px;
}

.demo-placeholder {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    padding: 40px 20px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.demo-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.demo-text {
    color: white;
    font-size: 1.1rem;
    font-weight: 500;
    opacity: 0.9;
}

.demo-gif {
    width: 100%;
    max-width: 300px;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

/* Features Section */
.features {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.feature-item {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 15px;
    padding: 18px 20px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.feature-item > div {
    flex: 1;
}

.feature-icon {
    font-size: 28px;
    width: 40px;
    text-align: center;
    flex-shrink: 0;
}

.feature-text {
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
    line-height: 1.2;
}

.feature-subtext {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    font-weight: 400;
    margin-top: 4px;
    line-height: 1.3;
}

/* Download Section */
.download-section {
    text-align: center;
    margin-bottom: 30px;
}


.guarantee-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    margin-top: 15px;
    font-weight: 500;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
}

.download-btn {
    display: inline-block;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-radius: 12px;
    overflow: hidden;
}

.download-btn:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}


.store-badge {
    height: 65px;
    width: auto;
    border-radius: 10px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
    transition: all 0.3s ease;
}

.download-btn:hover .store-badge {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}


/* Support Section */
.support-section {
    text-align: center;
    margin-bottom: 25px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.support-title {
    color: white;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 8px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.support-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    font-weight: 400;
    margin-bottom: 12px;
}

.support-link {
    color: #FFD700;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s ease;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.support-link:hover {
    color: #FFA500;
    text-decoration: underline;
}

/* Footer */
.footer {
    text-align: center;
    padding: 20px 0;
    margin-top: auto;
}

.footer p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    font-weight: 400;
}

/* Responsive Design - Tablet and Desktop */
@media (min-width: 768px) {
    .container {
        max-width: 480px;
        padding: 40px 30px;
    }
    
    .download-buttons {
        flex-direction: row;
        justify-content: center;
        gap: 20px;
    }
    
    .features {
        max-width: 400px;
        margin: 0 auto 30px auto;
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 500px;
    }
    
    .app-title {
        font-size: 3rem;
    }
    
    .demo-placeholder {
        padding: 50px 30px;
    }
}

/* Ensure everything fits on mobile screen */
@media (max-height: 800px) {
    .container {
        padding: 15px;
    }
    
    .header {
        margin-bottom: 20px;
        padding-top: 10px;
    }
    
    .demo-section {
        margin-bottom: 20px;
    }
    
    .demo-placeholder {
        padding: 30px 20px;
    }
    
    .features {
        margin-bottom: 20px;
        gap: 12px;
    }
    
    .download-section {
        margin-bottom: 20px;
    }
    
    .download-title {
        margin-bottom: 20px;
    }
}

@media (max-height: 700px) {
    .app-title {
        font-size: 2.2rem;
    }
    
    .app-icon-img {
        width: 70px;
        height: 70px;
    }
    
    .demo-placeholder {
        padding: 25px 15px;
    }
    
    .demo-icon {
        font-size: 40px;
        margin-bottom: 10px;
    }
}