:root {
    --accent: #07aba8;
    --primary: var(--accent);
    --ink: #fafbff;
    --night: #0c1018;
    --bg-card: #0c1322;
    --border-color: #ffffff22;
    --shadow-medium: 0 12px 40px #0008;
}
* { box-sizing: border-box; }
html { background: var(--night); color-scheme: dark; }
body { margin: 0; font-family: Arial, sans-serif; color: var(--ink); background: var(--night); }
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100dvh;
    z-index: 0;
    pointer-events: none;
    background: url("assets/img/screenshot-desktop.webp") center / cover no-repeat;
    filter: blur(2px);
    transform: scale(1.04);
}
html:has(.acc[open]), html:has(.acc[open]) body { overflow: hidden; }
a { color: inherit; }
.bar { position: relative; z-index: 2; display: flex; align-items: center; padding: 16px clamp(18px, 4vw, 64px); background: #0d131e; border-bottom: 1px solid #ffffff20; }
.brand { font-size: clamp(1rem, 2vw, 1.35rem); font-weight: 700; text-decoration: none; }
.stage { position: relative; z-index: 1; min-height: calc(100dvh - 58px); display: flex; align-items: center; justify-content: center; padding: 28px 16px; }
.bg { display: none; }
.card { position: relative; z-index: 1; width: min(640px, 100%); background: #0c1322f2; border: 1px solid #ffffff2b; border-radius: 20px; padding: clamp(22px, 4vw, 36px); }
.stage:has(.acc[open]) .card { min-height: 300px; }
h1 { margin: 0 0 22px; font-size: clamp(2rem, 5vw, 3.2rem); line-height: 1.05; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.signup, .login { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 22px; border-radius: 999px; font-weight: 700; text-decoration: none; }
.signup { background: var(--accent); color: #fff; }
.login { background: transparent; color: #fff; border: 1px solid #ffffffaa; }
.age { display: flex; gap: 12px; align-items: center; margin: 22px 0 0; font-size: 13px; color: #dce1eb; }
.age span { border: 1px solid #ffffff55; border-radius: 50%; padding: 6px; font-size: 12px; }
.acc { margin-top: 18px; border-top: 1px solid #ffffff35; }
.acc summary { padding: 16px 0; color: var(--accent); cursor: pointer; }
.acc summary:focus { outline: none; }
.prose { line-height: 1.7; color: #e2e5ea; overflow-wrap: anywhere; }
.acc[open] {
    position: fixed;
    z-index: 4;
    top: 76px;
    right: 18px;
    bottom: 18px;
    width: min(480px, calc(100vw - 36px));
    margin: 0;
    padding: 4px 22px 22px;
    overflow: auto;
    background: #0c1322f7;
    border: 1px solid #ffffff2b;
    border-radius: 18px;
    box-shadow: 0 18px 50px #000a;
}
.acc[open] summary { position: sticky; top: 0; background: #0c1322; }
.prose h2 { font-size: 1.45rem; line-height: 1.25; margin: 28px 0 10px; color: #fff; }
.prose h3 { font-size: 1.12rem; line-height: 1.3; margin: 18px 0 8px; color: #fff; }
.prose a { color: var(--accent); }
.footer { position: relative; z-index: 2; padding: 28px 16px 40px; color: #c8ccd5; font-size: 14px; background: var(--night); }
.footer .container { max-width: 880px; margin: 0 auto; }
.footer a { color: #fff; }
.disclaimer { line-height: 1.6; }
.dock {
    display: none;
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 12px;
    z-index: 8;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 14px 18px;
    border-radius: 999px;
    background: var(--accent);
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 10px 28px #0008;
}
.dock.is-on { display: flex; }
body:has(.dock.is-on) { padding-bottom: 84px; }
@media (max-width: 767px) {
    body::before { background-image: url("assets/img/screenshot-mobile.webp"); }
}
@media (max-width: 720px) {
    .actions { flex-direction: column; }
    .signup, .login { width: 100%; }
    html:has(.acc[open]), html:has(.acc[open]) body { overflow: visible; }
    .stage:has(.acc[open]) { display: block; }
    .stage:has(.acc[open]) .card { min-height: 0; }
    .acc[open] {
        position: static;
        top: auto;
        right: auto;
        bottom: auto;
        left: auto;
        width: auto;
        max-height: none;
        margin: 18px 0 0;
        padding: 0;
        overflow: visible;
        background: transparent;
        border: 0;
        border-radius: 0;
        box-shadow: none;
    }
    .acc[open] summary { position: static; background: transparent; }
}