:root {
    --bg: #0e0e10;
    --bg-elev: #18181b;
    --fg: #e8e8ea;
    --muted: #9a9aa2;
    --accent: #ff5b6e;
    --accent-soft: #ff8b97;
    --line: #2a2a30;
    --good: #4ade80;
    --warn: #fbbf24;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    background: var(--bg); color: var(--fg);
    margin: 0; padding: 0; line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Layout */
main { max-width: 880px; margin: 0 auto; padding: 0 1.25em 4em; }

/* Header / Nav */
.site-header {
    border-bottom: 1px solid var(--line);
    background: rgba(14,14,16,.85); backdrop-filter: blur(8px);
    position: sticky; top: 0; z-index: 10;
}
.nav {
    max-width: 1100px; margin: 0 auto; padding: 1em 1.25em;
    display: flex; align-items: center; gap: 1.5em; flex-wrap: wrap;
}
.brand {
    font-weight: 700; font-size: 1.15em; color: var(--fg); text-decoration: none;
    margin-right: auto;
}
.brand .ball { color: var(--accent); }
.nav a:not(.brand) {
    color: var(--muted); text-decoration: none; font-size: .92em;
}
.nav a:not(.brand):hover { color: var(--fg); }
.nav a.cta {
    background: var(--accent); color: #0e0e10; padding: .45em .9em;
    border-radius: 6px; font-weight: 600;
}
.nav a.cta:hover { background: var(--accent-soft); color: #0e0e10; }

/* Hero */
.hero {
    padding: 4em 1.25em 3em; text-align: center;
    border-bottom: 1px solid var(--line);
    background: radial-gradient(ellipse at 50% 0%, rgba(255,91,110,.08), transparent 60%);
}
.hero h1 {
    font-size: clamp(2em, 5vw, 3em); margin: 0 0 .35em; line-height: 1.15;
}
.hero h1 .ball { color: var(--accent); }
.hero .tagline {
    color: var(--muted); font-size: 1.15em; max-width: 36em; margin: 0 auto 1.75em;
}
.hero .cta-row {
    display: flex; gap: .8em; justify-content: center; flex-wrap: wrap;
}
.btn {
    display: inline-block; padding: .8em 1.4em; border-radius: 8px;
    font-weight: 600; text-decoration: none; border: 1px solid transparent;
    transition: transform .1s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #0e0e10; }
.btn-primary:hover { background: var(--accent-soft); }
.btn-ghost { background: transparent; color: var(--fg); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--accent); }

/* Page heading (non-hero pages) */
.page-head {
    padding: 3em 0 1.5em; border-bottom: 1px solid var(--line); margin-bottom: 2em;
}
.page-head h1 { margin: 0 0 .25em; font-size: 2em; }
.page-head .subtitle { color: var(--muted); margin: 0; }

h2 { color: var(--accent); font-size: 1.35em; margin: 2em 0 .8em; }
h3 { font-size: 1.1em; margin: 1.5em 0 .5em; }
a { color: var(--accent); }
a:hover { color: var(--accent-soft); }

/* Cards */
.card {
    background: var(--bg-elev); border: 1px solid var(--line); border-radius: 8px;
    padding: 1.25em 1.5em; margin: 1em 0;
}
.card h2:first-child, .card h3:first-child { margin-top: 0; }

/* Donation methods grid */
.donate-grid {
    display: grid; gap: 1em; margin: 1.5em 0;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.donate-card {
    background: var(--bg-elev); border: 1px solid var(--line); border-radius: 8px;
    padding: 1.5em; display: flex; flex-direction: column;
}
.donate-card h3 { margin-top: 0; color: var(--accent); }
.donate-card p { color: var(--muted); flex-grow: 1; }
.donate-card .btn { align-self: flex-start; margin-top: 1em; }

/* Address display + QR */
.addr-box {
    display: grid; grid-template-columns: 1fr auto; gap: 1.5em;
    align-items: center; margin: 1em 0;
}
@media (max-width: 600px) { .addr-box { grid-template-columns: 1fr; } }
.addr-display {
    word-break: break-all; background: #08080a; padding: .9em 1em;
    border-radius: 6px; border: 1px solid var(--line);
    font-family: "JetBrains Mono", "SF Mono", Consolas, monospace;
    font-size: .88em; line-height: 1.5;
}
.qr-box {
    background: #fff; padding: 12px; border-radius: 6px;
    width: 168px; height: 168px; display: flex; align-items: center; justify-content: center;
}
.copy-btn {
    background: transparent; border: 1px solid var(--line); color: var(--muted);
    padding: .35em .75em; border-radius: 4px; font-size: .85em;
    cursor: pointer; margin-top: .5em;
}
.copy-btn:hover { color: var(--fg); border-color: var(--accent); }

/* Code blocks */
code, pre, .mono {
    font-family: "JetBrains Mono", "SF Mono", Consolas, monospace; font-size: .92em;
}
pre {
    background: #08080a; border: 1px solid var(--line); border-radius: 6px;
    padding: 1em 1.25em; overflow-x: auto; margin: 1em 0;
}
:not(pre) > code {
    background: #08080a; padding: .15em .4em; border-radius: 3px;
    border: 1px solid var(--line); font-size: .9em;
}

/* Lists / ordered */
ol, ul { padding-left: 1.4em; }
li { margin: .35em 0; }
li::marker { color: var(--accent); }

/* Tables */
table {
    width: 100%; border-collapse: collapse; margin: 1em 0;
    background: var(--bg-elev); border: 1px solid var(--line); border-radius: 6px;
    overflow: hidden;
}
th, td { padding: .7em 1em; text-align: left; border-bottom: 1px solid var(--line); }
th { background: #08080a; color: var(--accent); font-weight: 600; font-size: .9em; }
tr:last-child td { border-bottom: 0; }

/* Stat row */
.stat-row {
    display: grid; gap: 1em; margin: 1.5em 0;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.stat {
    background: var(--bg-elev); border: 1px solid var(--line); border-radius: 8px;
    padding: 1.2em 1.4em;
}
.stat[data-tooltip] { cursor: help; position: relative; }
.stat[data-tooltip]:hover { border-color: var(--accent); }
.stat[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 6px); left: 50%; transform: translateX(-50%);
    background: var(--bg-elev); color: var(--fg);
    border: 1px solid var(--accent); border-radius: 6px;
    padding: .55em .75em;
    font-size: .82em; font-weight: 400; line-height: 1.4;
    text-transform: none; letter-spacing: 0;
    width: max-content; max-width: 280px; white-space: normal;
    opacity: 0; pointer-events: none; visibility: hidden;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0,0,0,.4);
}
.stat[data-tooltip]:hover::after { opacity: 1; visibility: visible; }
@media (max-width: 600px) {
    .stat[data-tooltip]::after { max-width: calc(100vw - 2em); }
}
.stat .label { color: var(--muted); font-size: .8em; text-transform: uppercase; letter-spacing: .05em; }
.stat .value { font-size: 1.6em; font-weight: 700; margin-top: .2em; }
.stat .value.accent { color: var(--accent); }

/* Locks (custody page) */
.lock {
    background: var(--bg-elev); border-left: 3px solid var(--accent);
    padding: 1.2em 1.4em; margin: 1em 0; border-radius: 0 6px 6px 0;
}
.lock h3 { margin-top: 0; color: var(--fg); }
.lock h3 .lock-num {
    display: inline-block; background: var(--accent); color: #0e0e10;
    width: 1.6em; height: 1.6em; border-radius: 4px; text-align: center;
    line-height: 1.6em; font-size: .85em; margin-right: .5em;
}

/* Worst-case callout — distinct from .lock cards */
.worst-case {
    background: linear-gradient(180deg, rgba(251,191,36,0.08), rgba(251,191,36,0.03));
    border: 1px solid rgba(251,191,36,0.35);
    border-left: 4px solid var(--warn);
    padding: 1.4em 1.6em; margin: 2em 0;
    border-radius: 6px;
}
.worst-case .worst-tag {
    display: inline-block; background: var(--warn); color: #2a1a00;
    font-size: .72em; font-weight: 700; letter-spacing: .14em;
    text-transform: uppercase; padding: .3em .65em;
    border-radius: 3px; margin-bottom: .9em;
}
.worst-case h3 {
    margin: 0 0 .6em; color: var(--warn); font-size: 1.25em;
}
.worst-case p:last-child { margin-bottom: 0; }

/* Preview / pre-launch banner — site-wide */
.preview-banner {
    background: var(--warn);
    color: #2a1a00;
    text-align: center;
    padding: .7em 1em;
    font-size: .92em;
    line-height: 1.45;
    font-weight: 500;
}
.preview-banner strong { font-weight: 700; }

/* Footer */
.site-footer {
    border-top: 1px solid var(--line); margin-top: 4em; padding: 2em 1.25em;
    color: var(--muted); font-size: .88em;
}
.site-footer .inner { max-width: 1100px; margin: 0 auto; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--accent); }
.foot-grid {
    display: grid; gap: 1.5em; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    margin-bottom: 1.5em;
}
.foot-grid h4 { color: var(--fg); font-size: .92em; margin: 0 0 .5em; }
.foot-grid ul { list-style: none; padding: 0; }
.foot-grid li { margin: .25em 0; }

/* Utility */
.muted { color: var(--muted); }
.center { text-align: center; }
.small { font-size: .88em; }
.mt-2 { margin-top: 2em; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2em 0; }

/* Leaderboards */
.lb-table { width: 100%; border-collapse: collapse; }
.lb-table td { padding: .35em .5em; border-bottom: 1px solid var(--line); }
.lb-table tr:last-child td { border-bottom: 0; }
.lb-table td.rank { width: 2.5em; text-align: right; font-variant-numeric: tabular-nums; }
.lb-table td.rig  { color: var(--fg); word-break: break-word; }
.lb-table td.num  { width: 7em; text-align: right; font-variant-numeric: tabular-nums; color: var(--accent-soft); }
.lb-table tr.self td { background: rgba(255, 91, 110, 0.08); }
.lb-table tr.self td.rank, .lb-table tr.self td.num { color: var(--accent); font-weight: 600; }
.lb-table tr.self td.rig::after { content: " (you)"; color: var(--muted); font-size: .85em; }