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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #000000;
    color: white;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Rainfall Animation */
.rain-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.rain {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><line x1="50" y1="0" x2="50" y2="15" stroke="%2347a3ff" stroke-width="1" opacity="0.8"/></svg>') repeat;
    animation: rain 0.8s linear infinite;
}

.rain::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><line x1="30" y1="0" x2="30" y2="12" stroke="%2347a3ff" stroke-width="0.8" opacity="0.6"/></svg>') repeat;
    animation: rain 1.2s linear infinite;
}

.rain::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><line x1="70" y1="0" x2="70" y2="10" stroke="%2347a3ff" stroke-width="0.6" opacity="0.4"/></svg>') repeat;
    animation: rain 1.5s linear infinite;
}

@keyframes rain {
    0% {
        transform: translateY(-100vh);
    }
    100% {
        transform: translateY(100vh);
    }
}

/* Content */
.content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 60px 20px;
    margin-bottom: 40px;
}

.app-icon {
    margin-bottom: 30px;
}

.icon-image {
    width: 120px;
    height: 120px;
    border-radius: 25px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.icon-image:hover {
    transform: scale(1.05);
}

.app-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(45deg, #ffffff, #a8d8ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.app-subtitle {
    font-size: 1.3rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Screenshots Section */
.screenshots {
    margin-bottom: 60px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.screenshots.visible {
    opacity: 1;
    transform: translateY(0);
}

.screenshots h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.screenshot-container {
    position: relative;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 30px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.screenshot-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 30px;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent);
    z-index: 2;
    pointer-events: none;
}

.screenshot-container::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 30px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    z-index: 2;
    pointer-events: none;
}

.screenshot-scroll {
    display: flex;
    overflow-x: auto;
    gap: 30px;
    padding: 10px 0;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: #47a3ff #000;
    position: relative;
}

.screenshot-scroll::-webkit-scrollbar {
    height: 8px;
}

.screenshot-scroll::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 4px;
}

.screenshot-scroll::-webkit-scrollbar-thumb {
    background: #47a3ff;
    border-radius: 4px;
}

.screenshot-item {
    flex: 0 0 300px;
    text-align: center;
    transition: transform 0.3s ease;
}

.screenshot-item:hover {
    transform: scale(1.05);
}

.screenshot {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

/* Support Section */
.support {
    padding: 40px;
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.support.visible {
    opacity: 1;
    transform: translateY(0);
}

.support h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.support-content p {
    font-size: 1.2rem;
    margin-bottom: 20px;
    opacity: 0.9;
}

.contact-info {
    margin: 30px 0;
}

.email-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(45deg, #2196F3, #1976D2);
    color: white;
    text-decoration: none;
    padding: 15px 30px;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(33, 150, 243, 0.3);
    transition: all 0.3s ease;
}

.email-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(33, 150, 243, 0.4);
    background: linear-gradient(45deg, #1976D2, #2196F3);
}

.email-icon {
    font-size: 1.3rem;
}

.support-note {
    font-size: 1rem;
    opacity: 0.7;
    margin-top: 20px;
}

.privacy-link {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.privacy-link-text {
    color: #47a3ff;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    opacity: 0.9;
}

.privacy-link-text:hover {
    color: #ffffff;
    opacity: 1;
    text-decoration: underline;
}

/* Responsive Design */

/* Large screens (1200px and up) */
@media (min-width: 1200px) {
    .content {
        max-width: 1400px;
    }
    
    .screenshot-item {
        flex: 0 0 350px;
    }
}

/* Tablets and small laptops (768px to 1199px) */
@media (max-width: 1199px) and (min-width: 769px) {
    .content {
        max-width: 1000px;
        padding: 20px;
    }
    
    .app-title {
        font-size: 3rem;
    }
    
    .screenshot-item {
        flex: 0 0 280px;
    }
    
    .screenshot-container {
        padding: 25px;
    }
}

/* Tablets (768px and down) */
@media (max-width: 768px) {
    .app-title {
        font-size: 2.5rem;
    }
    
    .app-subtitle {
        font-size: 1.1rem;
    }
    
    .hero {
        padding: 40px 20px;
    }
    
    .support {
        padding: 30px 20px;
    }
    
    .content {
        padding: 15px;
    }
    
    .screenshot-item {
        flex: 0 0 250px;
    }
    
    .screenshot-container {
        padding: 20px;
        margin: 0 10px;
    }
    
    .screenshot-scroll {
        gap: 20px;
    }
    
    .screenshots h2 {
        font-size: 2.2rem;
        margin-bottom: 30px;
    }
}

/* Mobile landscape (568px to 767px) */
@media (max-width: 767px) and (min-width: 568px) {
    .app-title {
        font-size: 2.2rem;
    }
    
    .app-subtitle {
        font-size: 1rem;
    }
    
    .screenshot-item {
        flex: 0 0 220px;
    }
    
    .screenshot-container {
        padding: 15px;
    }
    
    .screenshot-scroll {
        gap: 15px;
    }
}

/* Mobile portrait (480px to 567px) */
@media (max-width: 567px) and (min-width: 481px) {
    .app-title {
        font-size: 2rem;
    }
    
    .app-subtitle {
        font-size: 0.95rem;
    }
    
    .icon-image {
        width: 100px;
        height: 100px;
    }
    
    .screenshot-item {
        flex: 0 0 200px;
    }
    
    .screenshot-container {
        padding: 15px;
        margin: 0 5px;
    }
    
    .screenshot-scroll {
        gap: 15px;
    }
    
    .screenshots h2,
    .support h2 {
        font-size: 1.8rem;
    }
    
    .email-link {
        padding: 12px 25px;
        font-size: 1.1rem;
    }
}

/* Small mobile (480px and down) */
@media (max-width: 480px) {
    .app-title {
        font-size: 1.8rem;
    }
    
    .app-subtitle {
        font-size: 0.9rem;
        padding: 0 10px;
    }
    
    .icon-image {
        width: 90px;
        height: 90px;
    }
    
    .hero {
        padding: 30px 15px;
    }
    
    .screenshot-item {
        flex: 0 0 180px;
    }
    
    .screenshot-container {
        padding: 12px;
        margin: 0;
        border-radius: 15px;
    }
    
    .screenshot-scroll {
        gap: 12px;
        padding: 5px 0;
    }
    
    .screenshots h2,
    .support h2 {
        font-size: 1.6rem;
        margin-bottom: 25px;
    }
    
    .support {
        padding: 25px 15px;
    }
    
    .email-link {
        padding: 10px 20px;
        font-size: 1rem;
    }
    
    .content {
        padding: 10px;
    }
}

/* Extra small screens (320px and down) */
@media (max-width: 320px) {
    .app-title {
        font-size: 1.6rem;
    }
    
    .app-subtitle {
        font-size: 0.85rem;
    }
    
    .icon-image {
        width: 80px;
        height: 80px;
    }
    
    .screenshot-item {
        flex: 0 0 160px;
    }
    
    .screenshots h2,
    .support h2 {
        font-size: 1.4rem;
    }
    
    .email-link {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .screenshot-item:hover {
        transform: none;
    }
    
    .email-link:hover {
        transform: none;
    }
    
    .screenshot-scroll {
        -webkit-overflow-scrolling: touch;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .screenshot {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}