:root {
    --bg-color: #f9f9f9;
    --a-color: #000000;
    --text-color: #222222;
    --text-muted: #666666;
    --border-color: #e0e0e0;
    --accent-bg: #ffffff;
    --logo-filter: none;
}
@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #000000;
        --a-color: #ffffff;
        --text-color: #f0f0f0;
        --text-muted: #a0a0a0;
        --border-color: #333333;
        --accent-bg: #1e1e1e;
        --logo-filter: invert(1);
    }
}
/* Global Styles */
body {
    font-family: 'Caudex', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    text-align: center;
}
h1, h2, h3 {
    font-weight: 400;
    margin-bottom: 0.5rem;
}
p {
    font-weight: 300;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 1.5rem auto;
    font-size: 1.2rem;
}
a { 
    color: var(--a-color);
}
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}
section {
    padding: 4rem 0 5rem;
    border-bottom: 1px solid var(--border-color);
}
section:last-of-type {
    border-bottom: none;
}
/* Header */
header {
    padding: 6rem 2rem 0;
}
header .logo {
    height: 55px;
    margin-bottom: 0;
    display: inline-block;
    opacity: 0.5;
    filter: var(--logo-filter);
}
header h1 {
    font-size: 2.5rem;
    margin-top: 0;
    margin-bottom: 0;
    letter-spacing: -0.5px;
}
header p {
    margin-bottom: 0;
}
/* Overview */
.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    max-width: 100%;
    background: var(--accent-bg);
    border-radius: 12px;
    margin-bottom: 2rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}
.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}
/* Features */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: left;
    margin-top: 3rem;
}
@media (min-width: 600px) {
    .features-grid {
        grid-template-columns: 1fr 1fr;
    }
}
.feature-item {
    background: var(--accent-bg);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}
.feature-item h3 {
    font-size: 1.3rem;
    margin-top: 0;
}

.feature-item p {
    margin: 0;
}
/* Screenshots */
.screenshots {
    position: relative;
    width: 280px;
    height: 600px;
    margin: 0rem auto 2rem auto;
}
.screenshots img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50px;
    object-fit: cover;
    opacity: 0;
    transition: opacity 2s ease-in-out;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}
.screenshots img.active {
    opacity: 1;
}
/* Download */
.download-btn {
    display: inline-block;
    background-color: var(--text-color);
    color: var(--bg-color);
    padding: 1rem 2.5rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.2rem;
    transition: opacity 0.2s;
    margin-top: 1rem;
}
.download-btn:hover {
    opacity: 0.8;
}
/* FAQs */
.faq-item {
    text-align: left;
    margin: 2rem auto;
    max-width: 600px;
}
.faq-item h3 {
    font-size: 1.2rem;
}
/* Privacy */
#privacy {
    text-align: left;
    margin: 2rem auto;
    max-width: 600px;
}
/* Footer */
footer {
    padding: 2rem;
    color: var(--text-muted);
}
footer p {
    font-size: 0.9rem;
}