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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* Language Switcher */
.lang-switch {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255,255,255,0.2);
    padding: 8px 16px;
    border-radius: 20px;
    z-index: 100;
}

.lang-switch a {
    color: white;
    text-decoration: none;
    padding: 4px 8px;
    margin: 0 2px;
    border-radius: 10px;
    font-size: 0.9em;
}

.lang-switch a:hover {
    background: rgba(255,255,255,0.2);
}

.lang-switch a.active {
    background: rgba(255,255,255,0.3);
    font-weight: bold;
}

/* Header */
header {
    background: linear-gradient(135deg, #6C63FF 0%, #03DAC6 100%);
    color: white;
    padding: 80px 20px;
    text-align: center;
    position: relative;
}

header h1 {
    font-size: 3em;
    margin-bottom: 20px;
    font-weight: 700;
}

header p {
    font-size: 1.3em;
    opacity: 0.95;
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-icon {
    font-size: 5em;
    margin-bottom: 20px;
}

/* Download Button */
.download-btn {
    display: inline-block;
    background: white;
    color: #6C63FF;
    padding: 18px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
    margin: 10px;
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
}

.download-btn.secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

/* Features Section */
.features {
    padding: 80px 20px;
    background: #f8f9fa;
}

.features h2 {
    text-align: center;
    font-size: 2.5em;
    margin-bottom: 60px;
    color: #6C63FF;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 3.5em;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5em;
    margin-bottom: 15px;
    color: #333;
}

.feature-card p {
    color: #666;
    font-size: 1.05em;
}

/* Screenshots Section */
.screenshots {
    padding: 80px 20px;
    text-align: center;
}

.screenshots h2 {
    font-size: 2.5em;
    margin-bottom: 40px;
    color: #6C63FF;
}

.screenshot-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.screenshot-item {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.screenshot-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.2);
}

.screenshot-item img {
    width: 100%;
    height: auto;
    display: block;
    border-bottom: 3px solid #6C63FF;
}

.screenshot-caption {
    padding: 20px;
    text-align: center;
    font-weight: 600;
    color: #333;
}

/* Lightbox for full-screen screenshots */
.lightbox {
    display: none;
    position: fixed;
    z-index: 1000;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.95);
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    border-radius: 10px;
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 50px;
    color: white;
    font-size: 40px;
    cursor: pointer;
    background: rgba(255,255,255,0.1);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.lightbox-close:hover {
    background: rgba(255,255,255,0.2);
}

/* Footer */
footer {
    background: #2c2c2c;
    color: white;
    padding: 60px 20px 30px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    margin-bottom: 20px;
    color: #03DAC6;
}

.footer-section a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    display: block;
    margin-bottom: 10px;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #03DAC6;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 2em;
    }

    header p {
        font-size: 1.1em;
    }

    .features h2, .screenshots h2 {
        font-size: 2em;
    }

    .download-btn {
        display: block;
        margin: 10px auto;
        max-width: 300px;
    }

    .lang-switch {
        position: static;
        margin-bottom: 15px;
        display: inline-block;
    }
}