/* The Refutation — therefutation.com
   Shared stylesheet for the essay/about/hub pages. Matches the canonical cube brand
   (see brand/BRAND.md): ink + brass, Didone display, serif body, dead/alive semantics.
   No external requests (speed + privacy + SEO). */

:root {
  --ink: #0A0B0C; --ink-2: #101113; --ink-3: #15171A;
  --line: #222427; --line-2: #31343A;
  --text: #ECE7DB; --muted: #9A9CA0; --faint: #66686C;
  --gold: #B9975A; --gold-2: #DCC188; --gold-soft: rgba(185,151,90,.10);
  --dead: #B15A52; --alive: #6F9C80;
  --display: "Didot","Bodoni 72","Bodoni MT","Hoefler Text","Playfair Display",Georgia,"Times New Roman",serif;
  --serif: Georgia,"Times New Roman","Hoefler Text",serif;
  --sans: system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono: ui-monospace,"SF Mono","Cascadia Code","Roboto Mono",Consolas,monospace;
  --maxw: 760px; --wide: 1080px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--ink); color: var(--text);
  font-family: var(--serif); font-size: 17px; line-height: 1.7;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  background-image: radial-gradient(1100px 480px at 50% -14%, rgba(220,193,136,.05), transparent 60%);
  background-repeat: no-repeat; background-attachment: fixed;
}
img { max-width: 100%; height: auto; }
a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--gold-2); }

h1, h2, h3, h4 { margin: 0; font-family: var(--display); font-weight: 500; line-height: 1.15; letter-spacing: -.01em; color: var(--text); }
h1 { font-size: clamp(34px, 5.4vw, 56px); letter-spacing: -.02em; margin: 0 0 .35em; }
h2 { font-size: clamp(25px, 3.4vw, 34px); margin: 1.7em 0 .5em; }
h3 { font-size: 21px; margin: 1.7em 0 .4em; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.wide { max-width: var(--wide); margin: 0 auto; padding: 0 24px; }

/* ---- header ---- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,11,12,.86); backdrop-filter: blur(10px);
  border-top: 2px solid var(--gold); border-bottom: 1px solid var(--line);
}
.site-header .bar {
  display: flex; align-items: center; justify-content: space-between;
  height: 70px; max-width: var(--wide); margin: 0 auto; padding: 0 24px;
}
.brand { display: flex; align-items: center; gap: 11px; font-family: var(--display);
  font-weight: 500; font-size: 22px; letter-spacing: .005em; color: var(--text);
  text-decoration: none; white-space: nowrap; flex: 0 0 auto; }
.brand .mark { display: block; flex: 0 0 auto; }
.nav { display: flex; gap: 26px; align-items: center; font-size: 11.5px; letter-spacing: .13em;
  text-transform: uppercase; color: var(--muted); font-weight: 600; font-family: var(--sans); }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--gold); }
.nav .cta { color: #1a140a; background: var(--gold); padding: 10px 18px; border-radius: 2px;
  letter-spacing: .03em; }
.nav .cta:hover { background: var(--gold-2); color: #1a140a; }
@media (max-width: 680px) { .nav a.navlink { display: none; } }

/* ---- hero / eyebrow ---- */
.hero { padding: clamp(52px, 8vw, 92px) 0 18px; }
.eyebrow { font-family: var(--sans); font-size: 11px; letter-spacing: .34em; text-transform: uppercase;
  font-weight: 600; color: var(--gold); margin: 0 0 20px; display: inline-block; }
.hero p.lede { font-size: clamp(17px, 2vw, 20.5px); color: var(--muted); margin: .5em 0 0; line-height: 1.6; }
.strike { text-decoration: line-through; text-decoration-color: var(--dead);
  text-decoration-thickness: 2px; color: var(--muted); }
.hero h1 em, h1 em { font-style: italic; color: var(--gold); }

/* ---- signup ---- */
.signup {
  position: relative; overflow: hidden;
  background: var(--ink-2); border: 1px solid var(--line-2); border-radius: 3px;
  padding: 30px; margin: 34px 0;
}
.signup::before { content: ""; position: absolute; inset: 0;
  background: radial-gradient(560px 260px at 50% -40%, rgba(220,193,136,.06), transparent 66%); pointer-events: none; }
.signup > * { position: relative; }
.signup h2 { margin: 0 0 6px; font-size: 24px; }
.signup p { margin: 0 0 18px; color: var(--muted); font-size: 15.5px; font-family: var(--serif); }
.subscribe-form { display: flex; gap: 10px; flex-wrap: wrap; }
.subscribe-form input[type="email"] {
  flex: 1 1 240px; min-width: 0; padding: 14px 16px; font-size: 15px; font-family: var(--sans);
  border: 1px solid var(--line-2); border-radius: 2px; background: var(--ink); color: var(--text);
}
.subscribe-form input[type="email"]:focus { outline: none; border-color: var(--gold); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px; cursor: pointer; border: none;
  font-family: var(--sans); font-weight: 600; font-size: 13.5px; letter-spacing: .03em;
  padding: 14px 24px; border-radius: 2px; background: var(--gold); color: #1a140a;
  text-decoration: none; white-space: nowrap; transition: background .15s, border-color .15s, color .15s;
}
.btn:hover { background: var(--gold-2); color: #1a140a; }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line-2); }
.btn.ghost:hover { border-color: var(--gold); color: var(--gold); }
.form-note { font-size: 12px; color: var(--faint); margin: 16px 0 0; font-family: var(--sans); letter-spacing: .02em; }
.form-msg { font-size: 14px; margin: 12px 0 0; min-height: 1.2em; font-family: var(--sans); }
.form-msg.ok { color: var(--alive); }
.form-msg.err { color: var(--dead); }

/* ---- pills / meta ---- */
.pillrow { display: flex; gap: 10px; flex-wrap: wrap; margin: 24px 0 0; }
.pill { font-size: 12px; color: var(--muted); background: var(--ink-2); font-family: var(--sans);
  border: 1px solid var(--line); border-radius: 2px; padding: 6px 12px; letter-spacing: .02em; }
.kicker { font-family: var(--mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--gold); }

/* ---- article ---- */
article.prose { padding: clamp(40px, 6vw, 64px) 0 10px; }
.prose p, .prose li { color: var(--muted); }
.prose p { margin: 0 0 1.1em; }
.prose li { margin: .35em 0; }
.prose ul, .prose ol { padding-left: 1.2em; margin: 1em 0 1.3em; }
.prose strong, .prose b { color: var(--text); font-weight: 600; }
.prose em { color: var(--text); }
.prose blockquote { border-left: 2px solid var(--gold); margin: 1.5em 0; padding: .3em 0 .3em 20px;
  color: var(--text); font-family: var(--display); font-style: italic; font-size: 20px; line-height: 1.5; }
.prose code { font-family: var(--mono); font-size: .85em; background: var(--ink-2);
  border: 1px solid var(--line); border-radius: 3px; padding: 1px 5px; color: var(--gold-2); }
.byline { color: var(--faint); font-size: 13px; margin: 0 0 10px; font-family: var(--sans); letter-spacing: .02em; }
.byline a { color: var(--muted); }
.tldr { background: var(--ink-2); border: 1px solid var(--line); border-left: 2px solid var(--gold);
  border-radius: 3px; padding: 18px 20px; margin: 22px 0; font-size: 15.5px; color: var(--muted); }
.tldr .kicker { display: block; margin-bottom: 7px; }
.tldr ul { margin: 6px 0 0; }

/* ---- essay cards ---- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; margin: 26px 0; }
.card { display: block; text-decoration: none; color: inherit; border: 1px solid var(--line);
  border-radius: 3px; padding: 24px; background: var(--ink-2); transition: border-color .15s, transform .15s; }
.card:hover { border-color: var(--gold); transform: translateY(-2px); }
.card h3 { margin: 0 0 8px; color: var(--text); font-size: 20px; }
.card p { margin: 0; color: var(--muted); font-size: 14.5px; font-family: var(--serif); }
.card .kicker { margin-bottom: 12px; display: block; }

/* ---- verdict tags (survivorship motif) ---- */
.verdict { font-family: var(--sans); font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  padding: 5px 9px; border-radius: 2px; border: 1px solid; white-space: nowrap; }
.verdict.refuted { color: var(--dead); border-color: rgba(177,90,82,.45); }
.verdict.survived { color: var(--alive); border-color: rgba(111,156,128,.45); }

/* ---- FAQ ---- */
.faq details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq summary { cursor: pointer; font-family: var(--display); font-size: 20px; padding: 16px 0; color: var(--text); list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--gold); font-family: var(--sans); }
.faq details[open] summary::after { content: "\2013"; }
.faq details p { margin: 0 0 16px; color: var(--muted); }

/* ---- footer ---- */
.site-footer { border-top: 1px solid var(--line); margin-top: 64px; padding: 46px 0 40px; color: var(--muted); font-size: 14px; }
.site-footer .cols { display: flex; gap: 40px; flex-wrap: wrap; justify-content: space-between; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--gold); }
.site-footer .disc { margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--line);
  font-size: 12px; line-height: 1.7; color: var(--faint); font-family: var(--sans); max-width: 920px; }
.foot-nav { display: flex; gap: 18px; flex-wrap: wrap; font-family: var(--sans); font-size: 13px; }

.center { text-align: center; }
hr.rule { border: none; border-top: 1px solid var(--line); margin: 44px 0; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; background: var(--gold); color: #1a140a; padding: 8px 12px; border-radius: 2px; z-index: 60; }