/* Riverlamp site styles. All colours come from tokens.css. */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--rl-bg); color: var(--rl-text); font-family: var(--rl-font-ui); font-size: 16px; line-height: 1.6; }
a { color: var(--rl-primary); }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--rl-light); outline-offset: 2px; }
h1, h2, h3 { font-family: var(--rl-font-display); font-weight: 700; line-height: 1.1; letter-spacing: -0.015em; text-wrap: balance; margin: 0; }
p { margin: 0; max-width: 62ch; }
.wrap { max-width: 1080px; margin: 0 auto; padding-inline: 20px; }
.top { padding-block: 18px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.top img { height: 30px; width: auto; display: block; }
.logo-dark { display: none !important; }
@media (prefers-color-scheme: dark) { .logo-light { display: none !important; } .logo-dark { display: block !important; } }
.top nav { display: flex; gap: 20px; font-weight: 600; font-size: 15px; }
.top nav a { color: var(--rl-text); text-decoration: none; }
.hero { padding-block: 56px 40px; display: grid; gap: 22px; }
.hero h1 { font-size: clamp(38px, 7vw, 68px); max-width: 14ch; }
.hero .sub { font-size: 19px; color: var(--rl-text-muted); }
.lookup { display: flex; flex-wrap: wrap; gap: 8px; max-width: 560px; background: var(--rl-surface); border: 1px solid var(--rl-line); border-radius: var(--rl-radius); padding: 6px; box-shadow: var(--rl-shadow); }
.lookup input { flex: 1 1 220px; min-width: 0; border: 0; background: transparent; color: var(--rl-text); font: inherit; font-size: 17px; padding: 10px 12px; }
.lookup input:focus-visible { outline: none; }
.btn { appearance: none; border: 0; border-radius: 10px; background: var(--rl-primary); color: var(--rl-on-primary); font: inherit; font-weight: 700; padding: 11px 20px; cursor: pointer; min-height: 44px; }
.btn:disabled { opacity: .6; cursor: progress; }
.hint { font-size: 14px; color: var(--rl-text-muted); }
.result { display: grid; gap: 16px; padding-block: 8px 48px; }
.card { background: var(--rl-surface); border: 1px solid var(--rl-line); border-radius: var(--rl-radius); padding: 20px; display: grid; gap: 10px; min-width: 0; }
.answer { font-family: var(--rl-font-display); font-weight: 700; font-size: clamp(22px, 3.4vw, 30px); line-height: 1.2; position: relative; padding-left: 26px; }
.answer::before { content: ""; position: absolute; left: 0; top: .32em; width: 14px; height: 14px; border-radius: 50%; background: var(--rl-light); }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 720px) { .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.stat { display: grid; gap: 2px; }
.stat .k { font-size: 13px; color: var(--rl-text-muted); }
.stat .v { font-weight: 700; font-size: 28px; font-variant-numeric: tabular-nums; }
.bars { display: grid; gap: 8px; }
.bar { display: grid; grid-template-columns: 96px minmax(0, 1fr) 56px; gap: 10px; align-items: center; font-size: 14px; }
.bar .track { height: 18px; border-radius: 5px; background: var(--rl-data-soft); overflow: hidden; }
.bar .fill { height: 100%; border-radius: 5px; background: var(--rl-data-1); opacity: .6; }
.bar.best .fill { background: var(--rl-light); opacity: 1; }
.bar .n { font-family: var(--rl-font-data); font-size: 12px; text-align: right; font-variant-numeric: tabular-nums; }
.error { color: var(--rl-bad); font-weight: 600; }
.capture { display: grid; gap: 10px; }
.capture label.tick { display: flex; gap: 8px; align-items: flex-start; font-size: 14px; color: var(--rl-text-muted); }
.prose { padding-block: 32px 64px; display: grid; gap: 16px; max-width: 720px; }
.prose h1 { font-size: 40px; }
.prose h2 { font-size: 22px; margin-top: 12px; }
.prose ul { margin: 0; padding-left: 20px; }
.note { font-size: 14px; color: var(--rl-text-muted); }
.placeholder { background: color-mix(in srgb, var(--rl-light) 25%, transparent); padding: 0 4px; border-radius: 4px; }
/* Footer. Bottom row carries the Karyu Labs endorsement badge (Karyu brand 3.0, endorsement rules): steel grey, never orange, opposite the copyright on desktop, below it on mobile. */
footer { border-top: 1px solid var(--rl-line); padding-block: 24px 36px; font-size: 14px; color: var(--rl-text-muted); display: grid; gap: 20px; }
footer a { color: var(--rl-text-muted); }
.foot-row { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; justify-content: space-between; }
.foot-brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--rl-text) !important; text-decoration: none; }
.foot-links { display: flex; gap: 18px; flex-wrap: wrap; }
.foot-base { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 12px; color: var(--rl-steel); }
@media (max-width: 560px) { .foot-base { flex-direction: column; align-items: flex-start; } }
.kl-badge{display:inline-flex;align-items:center;gap:7px;font:inherit;font-size:12px;line-height:1;letter-spacing:-.01em;color:inherit;opacity:.72;text-decoration:none;transition:opacity .2s ease}
.kl-badge:hover,.kl-badge:focus-visible{opacity:1}
.kl-badge-mark{width:16px;height:16px;flex:none;display:block}
.kl-badge b{font-weight:600}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }