:root {
    color-scheme: light dark;
    --bg: #ffffff;
    --bg-alt: #f5f6f8;
    --text: #1c1c1e;
    --text-secondary: #6e6e73;
    --accent: #007aff;
    --border: #e5e5ea;
    --card-bg: #ffffff;
    --accent-soft: rgba(0, 122, 255, 0.12);
    --max-width: 920px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0b0b0d;
        --bg-alt: #161618;
        --text: #f2f2f7;
        --text-secondary: #9b9ba1;
        --accent: #409cff;
        --border: #2c2c2e;
        --card-bg: #19191b;
        --accent-soft: rgba(64, 156, 255, 0.16);
    }
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.55;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

header.site-header {
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: var(--bg);
    z-index: 10;
}

.nav {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 18px;
    color: var(--text);
}

.brand img {
    width: 28px;
    height: 28px;
    border-radius: 7px;
}

.nav-links {
    display: flex;
    gap: 24px;
    font-size: 15px;
    font-weight: 500;
}

.nav-links a {
    color: var(--text-secondary);
}

.nav-links a.active {
    color: var(--text);
}

main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 48px 24px 80px;
}

.hero {
    text-align: center;
    padding: 56px 0 40px;
}

.hero-icon {
    width: 112px;
    height: 112px;
    border-radius: 25px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 42px;
    margin: 0 0 12px;
    letter-spacing: -0.02em;
}

.hero p.tagline {
    font-size: 19px;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 28px;
}

.cta-row {
    display: flex;
    align-items: center;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

.app-store-badge {
    height: 50px;
    display: block;
}

.btn {
    display: inline-block;
    padding: 12px 26px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    text-decoration: none;
    opacity: 0.9;
}

.btn-secondary {
    background: var(--bg-alt);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    text-decoration: none;
    opacity: 0.85;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin: 48px 0;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 22px;
}

.feature-icon {
    width: 40px;
    height: 40px;
    border-radius: 11px;
    background: var(--accent-soft);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
}

.feature-icon svg {
    width: 21px;
    height: 21px;
}

.feature-card h3 {
    margin: 0 0 8px;
    font-size: 17px;
}

.feature-card p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 14.5px;
}

section.block {
    margin: 56px 0;
}

.screenshots-block {
    margin: 40px 0 64px;
}

.screenshots {
    display: flex;
    align-items: flex-start;
    gap: 28px;
    overflow-x: auto;
    scroll-snap-type: x proximity;
    scroll-padding: 0 24px;
    padding: 28px 24px 48px;
    margin: -16px -24px -20px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}

.screenshot {
    width: 240px;
    max-width: 70vw;
    flex: 0 0 auto;
    border-radius: 28px;
    border: 1px solid var(--border);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.16);
    scroll-snap-align: center;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    will-change: transform;
}

.screenshot:hover {
    transform: scale(1.08);
    box-shadow: 0 24px 56px rgba(0, 0, 0, 0.28);
}

section.block h2 {
    font-size: 26px;
    margin-bottom: 14px;
}

.prose h2 {
    font-size: 22px;
    margin-top: 40px;
}

.prose h3 {
    font-size: 17px;
    margin-top: 28px;
}

.prose p, .prose li {
    color: var(--text);
}

.prose ul {
    padding-left: 22px;
}

.updated {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 32px;
}

.faq-item {
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
}

.faq-item h3 {
    margin: 0 0 8px;
    font-size: 17px;
}

.faq-item p {
    margin: 0;
    color: var(--text-secondary);
}

.contact-card {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    text-align: center;
    margin-top: 40px;
}

.contact-card h2 {
    margin-top: 0;
}

footer.site-footer {
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 13.5px;
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 28px 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: space-between;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 18px;
}