/* Latent One site styles. Palette and type follow the brand design system. */

@font-face { font-family: "Inter"; font-weight: 400; font-display: swap; src: url("/fonts/inter-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 500; font-display: swap; src: url("/fonts/inter-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 600; font-display: swap; src: url("/fonts/inter-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 700; font-display: swap; src: url("/fonts/inter-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 800; font-display: swap; src: url("/fonts/inter-latin-800-normal.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 400 800; font-display: swap; src: url("/fonts/inter-symbols.woff2") format("woff2"); unicode-range: U+D7, U+2192; }
@font-face { font-family: "IBM Plex Mono"; font-weight: 400; font-display: swap; src: url("/fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 500; font-display: swap; src: url("/fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 600; font-display: swap; src: url("/fonts/ibm-plex-mono-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 700; font-display: swap; src: url("/fonts/ibm-plex-mono-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 400 700; font-display: swap; src: url("/fonts/ibm-plex-mono-symbols.woff2") format("woff2"); unicode-range: U+D7, U+2192; }


:root {
  --bg: #0E1116;
  --panel: #171B22;
  --line: #2A303A;
  --text: #F2F5F8;
  --muted: #9AA4B2;
  --base: #5B6573;
  --green: #4ADE80;
  --amber: #FFB02E;
  --on-amber: #1A1300;
  --red: #F87171;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --gutter: clamp(1.5rem, 5vw, 5rem);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--sans); font-size: 1.0625rem; line-height: 1.6;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  min-height: 100vh; display: flex; flex-direction: column;
}
main { flex: 1; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--green); outline-offset: 4px; border-radius: 2px; }
ul { list-style: none; margin: 0; padding: 0; }
p { margin: 0; }
h1, h2 { margin: 0; font-weight: 600; letter-spacing: -0.025em; line-height: 1.1; }

.wrap { width: 100%; max-width: 80rem; margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }
.mono, .eyebrow { font-family: var(--mono); }
.eyebrow { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 1.5rem; }
.ulink { color: var(--text); background-image: linear-gradient(var(--green), var(--green)); background-size: 0 1px; background-position: 0 100%; background-repeat: no-repeat; transition: background-size .35s var(--ease), color .2s; padding-bottom: 2px; }
.ulink:hover { background-size: 100% 1px; color: var(--green); }

/* Header and footer */
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding-top: 2rem; padding-bottom: 2rem; }
.brand img { width: 132px; opacity: .95; transition: opacity .2s; }
.brand:hover img { opacity: 1; }
.nav { display: flex; gap: 1.75rem; font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.04em; }
.nav a { color: var(--muted); transition: color .2s; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); }
.site-footer { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1.25rem 2rem; padding-top: 2.5rem; padding-bottom: 3rem; margin-top: 6rem; border-top: 1px solid var(--line); font-family: var(--mono); font-size: 0.85rem; }
.x-link { color: var(--text); transition: color .2s; }
.x-link:hover { color: var(--green); }

/* Home */
.hero { min-height: min(78vh, 52rem); display: flex; flex-direction: column; justify-content: center; padding-top: 4rem; padding-bottom: 6rem; }
.hero h1 { font-size: clamp(2.1rem, 1rem + 4.2vw, 5rem); font-weight: 600; line-height: 1.08; letter-spacing: -0.035em; max-width: 18ch; max-width: 22ch; }
.findings { border-top: 1px solid var(--line); container-type: inline-size; }
.finding { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); align-items: center; gap: 1rem 3rem; padding: clamp(2rem, 4vw, 3.25rem) 0; border-bottom: 1px solid var(--line); transition: padding .4s var(--ease); }
.finding-num { font-family: var(--mono); font-weight: 500; font-size: clamp(2.6rem, 8cqi, 6.5rem); line-height: 1; letter-spacing: -0.04em; white-space: nowrap; transition: color .3s; }
.finding-q { font-size: clamp(1.1rem, 0.9rem + 0.7vw, 1.5rem); font-weight: 500; line-height: 1.3; color: var(--muted); transition: color .3s; display: flex; justify-content: space-between; gap: 1.5rem; align-items: baseline; }
.arrow { font-family: var(--mono); color: var(--green); opacity: 0; transform: translateX(-8px); transition: opacity .3s, transform .3s var(--ease); }
.finding:hover .finding-num { color: var(--green); }
.finding:hover .finding-q { color: var(--text); }
.finding:hover .arrow, .finding:focus-visible .arrow { opacity: 1; transform: none; }
.more { margin-top: 2.5rem; font-family: var(--mono); font-size: 0.9rem; }

/* Inner pages */
.page { padding-top: clamp(3rem, 10vw, 8rem); }
.page h1 { font-size: clamp(2.25rem, 1.2rem + 3.5vw, 4.25rem); max-width: 20ch; }
.page .sub { color: var(--muted); font-size: 1.2rem; max-width: 36rem; margin-top: 1.5rem; }
.block { margin-top: clamp(3.5rem, 8vw, 6rem); }

.rows { border-top: 1px solid var(--line); }
.row { display: grid; grid-template-columns: 8rem minmax(0, 1fr) auto; gap: 0.35rem 2rem; align-items: baseline; padding: 1.4rem 0; border-bottom: 1px solid var(--line); }
.row-date, .row-tag { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.04em; color: var(--muted); text-transform: uppercase; }
.row-title { font-size: 1.15rem; font-weight: 500; color: var(--muted); }
.row-title a { color: var(--text); transition: color .2s; }
.row-title a:hover { color: var(--green); }
.group-label { font-family: var(--mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 1rem; }

/* Ledger */
.ledger { border-top: 1px solid var(--line); }
.claim { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr); gap: 0.5rem 3rem; padding: 1.5rem 0; border-bottom: 1px solid var(--line); align-items: baseline; scroll-margin-top: 2rem; }
.claim-text { font-size: 1.2rem; font-weight: 500; text-decoration: line-through; text-decoration-color: var(--base); text-decoration-thickness: 1px; color: var(--text); }
.verdict { font-family: var(--mono); font-size: 0.88rem; color: var(--muted); }
.verdict b { font-weight: 500; color: var(--red); margin-right: 0.6rem; text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.78rem; }
.verdict b.unproven { color: var(--amber); }
.claim:target { background: linear-gradient(90deg, rgba(74,222,128,.06), transparent 70%); }

/* About and contact */
.lede { font-size: clamp(1.35rem, 1rem + 1.4vw, 2rem); line-height: 1.4; letter-spacing: -0.015em; font-weight: 500; max-width: 34ch; }
.lede + .lede { margin-top: 1.5rem; color: var(--muted); }
.credits { font-family: var(--mono); font-size: 0.88rem; color: var(--muted); max-width: 46rem; line-height: 1.9; }
.credits a { color: var(--text); }
.big-link { display: inline-flex; gap: 1rem; align-items: baseline; font-family: var(--mono); font-weight: 500; font-size: clamp(1.75rem, 1rem + 4vw, 4rem); letter-spacing: -0.03em; color: var(--text); transition: color .25s; }
.big-link:hover { color: var(--green); }
.big-link .arrow { opacity: 1; transform: none; transition: transform .3s var(--ease); }
.big-link:hover .arrow { transform: translateX(6px); }

/* Article */
.banner { background: var(--amber); color: var(--on-amber); font-family: var(--mono); font-size: 0.82rem; font-weight: 600; padding: 0.6rem var(--gutter); text-align: center; letter-spacing: 0.02em; }
.article { max-width: 46rem; }
.article h1 { font-size: clamp(2rem, 1.2rem + 3vw, 3.5rem); max-width: 20ch; }
.nw { white-space: nowrap; }
.stat { display: flex; gap: 2rem 4rem; flex-wrap: wrap; margin-top: 3rem; padding: 2rem 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat div { display: flex; flex-direction: column; gap: 0.5rem; }
.stat .n { font-family: var(--mono); font-weight: 500; font-size: clamp(2.5rem, 1.8rem + 3vw, 4rem); line-height: 1; letter-spacing: -0.04em; }
.stat .n.dim { color: var(--base); }
.stat .l { font-family: var(--mono); font-size: 0.78rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.sec { margin-top: 3rem; }
.sec h2 { font-family: var(--mono); font-weight: 500; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 0.75rem; }
.sec p { font-size: 1.15rem; line-height: 1.65; }
figure { margin: 3rem 0 0; }
figure img { border-radius: 10px; border: 1px solid var(--line); width: 100%; }
figcaption { font-family: var(--mono); font-size: 0.78rem; color: var(--muted); margin-top: 0.9rem; }

/* Fade-in on scroll, only when motion is allowed (see /js/site.js) */
.motion .reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.motion .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

@media (max-width: 760px) {
  body { font-size: 1rem; }
  .site-header { padding-top: 1.5rem; padding-bottom: 1.5rem; }
  .site-header .nav { display: none; }
  .brand img { width: 116px; }
  .hero { min-height: auto; padding-top: 3.5rem; padding-bottom: 4.5rem; }
  .finding { grid-template-columns: 1fr; gap: 0.9rem; padding: 2rem 0; }
  .finding-num { font-size: clamp(2.4rem, 14cqi, 4rem); }
  .arrow { opacity: 1; transform: none; }
  .row { grid-template-columns: 1fr auto; gap: 0.4rem 1rem; padding: 1.2rem 0; }
  .row-title { grid-column: 1 / -1; grid-row: 2; font-size: 1.05rem; }
  .claim { grid-template-columns: 1fr; padding: 1.3rem 0; }
  .claim-text { font-size: 1.08rem; }
  .site-footer { flex-direction: column; align-items: flex-start; margin-top: 4rem; }
  .site-footer .nav { gap: 1.25rem; }
  .stat { display: grid; grid-template-columns: auto auto auto; gap: 1.25rem; justify-content: start; }
  .stat .n { font-size: 2.1rem; }
  .stat .l { font-size: 0.68rem; }
}