:root {
    --bg: #0b0c0f;
    --bg-soft: #14161b;
    --card: #171a21;
    --line: #262a33;
    --text: #f2f4f8;
    --muted: #a2a9b8;
    --accent: #4a84f5;
    --green: #4ec77a;
    --radius: 14px;
    --wrap: 62rem;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui,
        "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    text-rendering: optimizeLegibility;
}

.wrap {
    max-width: var(--wrap);
    margin-inline: auto;
    padding-inline: 20px;
}

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

h1, h2, h3 { line-height: 1.2; text-wrap: balance; }
h1 { font-size: clamp(2.2rem, 6vw, 3.4rem); margin: 0 0 .5em; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3.6vw, 2.1rem); margin: 0 0 .6em; letter-spacing: -0.01em; }
h3 { font-size: 1.12rem; margin: 2em 0 .5em; }
p { margin: 0 0 1em; }

code, pre {
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
    font-size: .92em;
}

/* Header ------------------------------------------------------------- */

header.site {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(11, 12, 15, .86);
    backdrop-filter: saturate(160%) blur(12px);
    border-bottom: 1px solid var(--line);
}

header.site .bar {
    display: flex;
    align-items: center;
    gap: 20px;
    min-height: 58px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--text);
    font-weight: 600;
    letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; }
.brand img { border-radius: 7px; }

.topnav {
    display: flex;
    gap: 18px;
    flex: 1;
    flex-wrap: wrap;
    font-size: .95rem;
}
.topnav a { color: var(--muted); }
.topnav a:hover { color: var(--text); text-decoration: none; }

.langmenu { position: relative; margin-inline-start: auto; }
.langmenu > summary {
    list-style: none;
    cursor: pointer;
    color: var(--muted);
    font-size: .95rem;
    padding: 6px 10px;
    border: 1px solid var(--line);
    border-radius: 999px;
    white-space: nowrap;
}
.langmenu > summary::-webkit-details-marker { display: none; }
.langmenu > summary:hover { color: var(--text); }
.langmenu .globe { margin-inline-end: 4px; }
.langmenu ul {
    position: absolute;
    inset-inline-end: 0;
    margin: 8px 0 0;
    padding: 6px;
    list-style: none;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, .5);
    max-height: 70vh;
    overflow-y: auto;
    min-width: 12rem;
}
.langmenu li a {
    display: block;
    padding: 7px 12px;
    border-radius: 8px;
    color: var(--text);
}
.langmenu li a:hover { background: var(--bg-soft); text-decoration: none; }
.langmenu li a[aria-current] { color: var(--accent); }

/* Sections ----------------------------------------------------------- */

main section { padding: clamp(48px, 8vw, 88px) 0; border-bottom: 1px solid var(--line); }
main section:last-child { border-bottom: 0; }

.lead { color: var(--muted); font-size: 1.08rem; max-width: 46rem; }

.hero {
    text-align: center;
    background:
        radial-gradient(80% 55% at 72% 100%, rgba(74, 132, 245, .20), transparent 70%),
        linear-gradient(180deg, #101218, var(--bg));
}
.hero .lead { margin-inline: auto; }
.appicon { border-radius: 26px; margin-bottom: 22px; box-shadow: 0 20px 50px rgba(0, 0, 0, .55); }

.badges { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin: 26px 0 14px; }
.cta {
    display: inline-block;
    padding: 12px 22px;
    border-radius: 999px;
    background: var(--accent);
    color: #fff;
    font-weight: 600;
}
.cta:hover { text-decoration: none; filter: brightness(1.08); }
.cta.secondary { background: transparent; color: var(--text); border: 1px solid var(--line); }
.note, .hint { color: var(--muted); font-size: .93rem; }

.quotes { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 12px; }
.quotes li {
    background: var(--card);
    border: 1px solid var(--line);
    border-inline-start: 3px solid var(--green);
    border-radius: var(--radius);
    padding: 16px 20px;
    font-size: 1.05rem;
}

.steps { counter-reset: step; list-style: none; padding: 0; margin: 30px 0 0; display: grid; gap: 18px; }
.steps > li {
    counter-increment: step;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px 22px;
}
.steps > li h3 { margin: 0 0 .35em; font-size: 1.08rem; }
.steps > li h3::before {
    content: counter(step);
    display: inline-grid;
    place-items: center;
    width: 1.6em;
    height: 1.6em;
    margin-inline-end: .55em;
    border-radius: 50%;
    background: rgba(74, 132, 245, .18);
    color: var(--accent);
    font-size: .82em;
}
.steps > li p { margin: 0; color: var(--muted); }

.callout {
    margin-top: 26px;
    padding: 20px 22px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(74, 132, 245, .10), transparent);
}
.callout h3 { margin-top: 0; }
.callout p { margin: 0; color: var(--muted); }

.grid { display: grid; gap: 16px; margin-top: 30px; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); }
.grid article {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px;
}
.grid h3 { margin: 0 0 .3em; font-size: 1.05rem; }
.grid .items { color: var(--accent); font-size: .9rem; margin-bottom: .6em; }
.grid p:last-child { margin: 0; color: var(--muted); font-size: .95rem; }

.numbered, .bullets { color: var(--muted); padding-inline-start: 1.3em; }
.numbered li, .bullets li { margin-bottom: .5em; }

pre {
    background: #05060a;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 16px 18px;
    overflow-x: auto;
    direction: ltr;
    text-align: left;
}
pre code { color: #d8e0f0; white-space: pre; }

.rows { display: grid; gap: 10px; margin: 14px 0 0; }
.rows .row {
    display: grid;
    grid-template-columns: minmax(9rem, 16rem) 1fr;
    gap: 14px;
    align-items: baseline;
    padding: 12px 16px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
}
.rows .row code { color: var(--accent); direction: ltr; }
.rows .row p { margin: 0; color: var(--muted); font-size: .95rem; }

.privacy { background: linear-gradient(180deg, var(--bg), #0d1016); }

/* Legal pages -------------------------------------------------------- */

main.legal { padding: clamp(40px, 7vw, 72px) 0 64px; }
main.legal .wrap { max-width: 46rem; }
main.legal h1 { font-size: clamp(1.9rem, 5vw, 2.6rem); }
main.legal section { padding: 0; border: 0; margin-top: 34px; }
main.legal h2 { font-size: 1.24rem; margin-bottom: .5em; }
main.legal p { color: var(--muted); }
.updated { color: var(--muted); font-size: .92rem; margin-top: -0.5em; }

/* Footer ------------------------------------------------------------- */

footer.site {
    border-top: 1px solid var(--line);
    padding: 34px 0 46px;
    color: var(--muted);
    font-size: .93rem;
}
footer.site .links { display: flex; gap: 18px; flex-wrap: wrap; margin: 0; }

@media (max-width: 640px) {
    .topnav { display: none; }
    .rows .row { grid-template-columns: 1fr; gap: 6px; }
}