/* ============================================================
   RightThing · Essay landing pages
   Brand system v2 (rt-brand-standard-v2): Ink / Paper / Brass,
   Libre Franklin + IBM Plex Mono.
   ============================================================ */

:root {
  --black: #1A1815;
  --panel: #211E1A;
  --paper: #F2EDE3;
  --paper-strong: rgba(242, 237, 227, 0.86);
  --muted: #CFC9BC;
  --faint: rgba(242, 237, 227, 0.40);
  --line: rgba(242, 237, 227, 0.16);
  --line-soft: rgba(242, 237, 227, 0.09);
  --brass: #C9A227;
  --brass-deep: #D8B336;
  --font-display: "Libre Franklin", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "SF Mono", Menlo, monospace;
  --col: min(680px, 90%);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; scroll-behavior: smooth; }
body {
  font-family: var(--font-display);
  background: var(--black); color: var(--paper);
  font-size: 18px; line-height: 1.7; font-weight: 400;
}
a { color: inherit; }
::selection { background: rgba(201, 162, 39, 0.28); }
a:focus-visible { outline: 2px solid var(--brass); outline-offset: 3px; border-radius: 2px; }

/* top bar */
.topbar {
  display: flex; justify-content: space-between; align-items: baseline;
  max-width: 1080px; margin: 0 auto; padding: 22px clamp(20px, 4vw, 40px) 16px;
  border-bottom: 1px solid var(--line);
}
.wordmark { font-weight: 500; font-size: 18px; letter-spacing: -0.01em; color: var(--paper); }
.wordmark b { color: var(--brass); font-weight: 700; }
.topbar__tag { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.topbar__tag:hover { color: var(--brass); }

/* article */
.article { width: var(--col); margin: 0 auto; padding: clamp(48px, 8vw, 88px) 0 clamp(40px, 6vw, 64px); }
.kicker {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--muted); display: flex; align-items: center; gap: 12px; margin-bottom: 22px;
}
.kicker::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--muted); flex: none; }
.article h1 {
  font-size: clamp(34px, 6vw, 54px); font-weight: 500; letter-spacing: -0.01em;
  line-height: 1.02; color: var(--paper); margin-bottom: 20px;
}
.byline {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em; color: var(--muted);
  padding-bottom: 30px; margin-bottom: 8px; border-bottom: 1px solid var(--line);
}

.article h2 {
  font-size: clamp(22px, 3vw, 28px); font-weight: 500; letter-spacing: -0.01em;
  line-height: 1.15; color: var(--paper); margin: clamp(40px, 6vw, 60px) 0 6px;
}
.article p { margin: 18px 0; color: var(--paper-strong); }
.article ul { margin: 18px 0 18px 2px; list-style: none; }
.article li {
  position: relative; padding-left: 26px; margin: 12px 0; color: var(--paper-strong);
}
.article li::before {
  content: ""; position: absolute; left: 4px; top: 0.72em;
  width: 6px; height: 6px; border-radius: 50%; background: var(--muted);
}
.article a.inline { color: var(--brass); text-decoration: underline; text-underline-offset: 3px; }

/* series nav */
.serienav {
  width: var(--col); margin: 0 auto; padding: clamp(32px, 5vw, 52px) 0;
  border-top: 1px solid var(--line);
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
}
.serienav a {
  display: block; padding: 22px 24px; border: 1px solid var(--line); border-radius: 12px;
  transition: background 200ms ease, border-color 200ms ease;
}
.serienav a:hover { background: rgba(242,237,227,0.03); border-color: rgba(242,237,227,0.28); }
.serienav .dir { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); display: block; margin-bottom: 8px; }
.serienav .t { font-weight: 500; font-size: 17px; letter-spacing: -0.01em; color: var(--paper); line-height: 1.25; }
.serienav a:hover .t { color: var(--brass); }
.serienav .next { text-align: right; }
.serienav .placeholder { border: 1px dashed var(--line-soft); opacity: 0.5; }

/* CTA + footer */
.essay-cta {
  width: var(--col); margin: 0 auto; padding: clamp(36px, 5vw, 56px) 0;
  border-top: 1px solid var(--line); text-align: center;
}
.essay-cta h3 { font-size: clamp(22px, 3vw, 30px); font-weight: 500; letter-spacing: -0.01em; color: var(--paper); margin-bottom: 10px; }
.essay-cta p { color: var(--muted); font-size: 15px; margin-bottom: 24px; }
.btn {
  display: inline-block; padding: 14px 26px; background: var(--brass); color: var(--black);
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase;
  border-radius: 2px; transition: background 200ms ease;
}
.btn:hover { background: var(--brass-deep); }
.allessays {
  display: inline-block; margin-top: 18px; font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted);
}
.allessays:hover { color: var(--brass); }

.page-footer {
  border-top: 1px solid var(--line); padding: clamp(28px, 4vw, 40px) clamp(20px, 4vw, 40px);
  max-width: 1080px; margin: 0 auto;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.page-footer a:hover { color: var(--brass); }

@media (max-width: 640px) {
  .serienav { grid-template-columns: 1fr; }
  .serienav .next { text-align: left; }
}

/* Brand lockup in the header (replaces the text wordmark) */
.rt-lockup { display: inline-flex; align-items: center; line-height: 0; }
.rt-lockup__full { height: 44px; width: auto; display: block; }