:root {
    color-scheme: dark;
    --bg: #101418;
    --panel: #171d22;
    --text: #f0f3f2;
    --muted: #aab6b9;
    --border: #303b40;
    --accent: #a6e3c4;
}

* { box-sizing: border-box; }

html { min-height: 100%; }

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; border-radius: 3px; }

.container {
    width: min(100% - 48px, 920px);
    margin-inline: auto;
}

header {
    padding-top: 34px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.brand {
    text-decoration: none;
    font-size: 16px;
    font-weight: 750;
    letter-spacing: -0.03em;
}

.domain {
    font-size: 13px;
    color: var(--muted);
    letter-spacing: 0.01em;
}

main {
    flex: 1;
    display: flex;
    align-items: center;
    padding-top: 90px;
    padding-bottom: 100px;
}

.content { max-width: 720px; }

.status {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--accent);
    border: 1px solid #35584b;
    padding: 9px 13px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 650;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.dot {
    background: var(--accent);
    height: 7px;
    width: 7px;
    border-radius: 50%;
    flex: 0 0 auto;
}

h1 {
    font-size: clamp(46px, 8vw, 86px);
    line-height: 1.03;
    font-weight: 750;
    letter-spacing: -0.065em;
    margin: 32px 0 26px;
}

h1 span { color: var(--accent); }

.intro {
    max-width: 630px;
    color: var(--muted);
    font-size: clamp(17px, 2.2vw, 21px);
    line-height: 1.7;
    margin: 0;
}

.intro strong {
    color: var(--text);
    font-weight: 650;
}

.rule {
    height: 1px;
    background: var(--border);
    margin: 44px 0 28px;
}

.lower {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
    flex-wrap: wrap;
}

.note {
    font-size: 14px;
    line-height: 1.7;
    color: var(--muted);
    max-width: 400px;
    margin: 0;
}

.github {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    text-decoration: none;
    padding: 12px 17px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    transition: border-color 150ms ease, background-color 150ms ease;
}

.github:hover { border-color: var(--accent); background: var(--panel); }
.github svg { width: 18px; height: 18px; fill: currentColor; }

footer {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 24px 0 34px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 12px;
    flex-wrap: wrap;
}

@media (max-width: 560px) {
    .container { width: min(100% - 36px, 920px); }
    header { padding-top: 26px; }
    main { padding-top: 100px; padding-bottom: 120px; }
    h1 { margin-top: 27px; }
    .rule { margin-top: 36px; }
    footer { padding-bottom: 25px; }
}

@media (prefers-reduced-motion: reduce) {
    .github { transition: none; }
}