/* Hard Tech Founder — shared styles.
   Colors live in the tokens below; change them here and every page follows. */

:root {
  --paper: #f6f3ee;
  --paper-2: #ece7df;
  --ink: #1b1a17;
  --ink-2: #55524b;
  --rule: #d6cfc3;
  --accent: #b4441b;      /* furnace orange */
  --accent-ink: #ffffff;
  --draft-bg: #fff4d6;
  --draft-ink: #6b4a00;

  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --measure: 42rem;
  --gutter: 1.25rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #141311;
    --paper-2: #1d1b18;
    --ink: #ece7df;
    --ink-2: #a8a196;
    --rule: #34312c;
    --accent: #e8703f;
    --accent-ink: #141311;
    --draft-bg: #3a2c08;
    --draft-ink: #f5d98a;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }

.wrap { max-width: var(--measure); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- header / footer ---------- */

.site-head {
  border-bottom: 1px solid var(--rule);
}
.site-head .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding-top: 1rem; padding-bottom: 1rem;
}
.wordmark {
  font-family: var(--mono); font-size: 0.85rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink); text-decoration: none;
}
.wordmark span { color: var(--accent); }
.head-link { font-family: var(--mono); font-size: 0.8rem; }

.site-foot {
  border-top: 1px solid var(--rule);
  margin-top: 5rem;
  font-family: var(--mono); font-size: 0.78rem; color: var(--ink-2);
}
.site-foot .wrap { padding-top: 1.5rem; padding-bottom: 2.5rem; display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; }
.site-foot a { color: var(--ink-2); }

/* ---------- home ---------- */

.eyebrow {
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--accent); margin: 0 0 1rem;
}

.hero { padding: 4.5rem 0 3rem; }
.hero h1 {
  font-size: clamp(2.6rem, 8vw, 4.25rem);
  line-height: 1.02; letter-spacing: -0.02em; font-weight: 600;
  margin: 0 0 1.5rem;
}
.hero .lede { font-size: 1.25rem; color: var(--ink-2); margin: 0 0 2rem; max-width: 34rem; }

.button {
  display: inline-block; background: var(--accent); color: var(--accent-ink);
  font-family: var(--mono); font-size: 0.9rem; font-weight: 600;
  padding: 0.85rem 1.25rem; border-radius: 4px; text-decoration: none;
}
.button:hover { filter: brightness(1.08); text-decoration: none; }
.button-note { display: block; margin-top: 0.75rem; font-family: var(--mono); font-size: 0.75rem; color: var(--ink-2); }

.block { border-top: 1px solid var(--rule); padding: 2.5rem 0; }
.block h2 {
  font-family: var(--mono); font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-2);
  margin: 0 0 1rem;
}
.block p { margin: 0 0 1rem; }
.block p:last-child { margin-bottom: 0; }

.issue-parts { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.75rem; }
.issue-parts li { display: grid; grid-template-columns: 2.25rem 1fr; align-items: baseline; }
.issue-parts .n { font-family: var(--mono); font-size: 0.8rem; color: var(--accent); }

/* ---------- article (drafts) ---------- */

.draft-bar {
  background: var(--draft-bg); color: var(--draft-ink);
  font-family: var(--mono); font-size: 0.78rem; line-height: 1.5;
}
.draft-bar .wrap { padding-top: 0.7rem; padding-bottom: 0.7rem; }

.article { padding: 3rem 0 1rem; }
.article h1 {
  font-size: clamp(2rem, 6vw, 2.75rem); line-height: 1.1;
  letter-spacing: -0.015em; font-weight: 600; margin: 0 0 1rem;
}
.article h1 + p em { font-size: 1.2rem; color: var(--ink-2); font-style: normal; display: block; }
.article h2 { font-size: 1.6rem; line-height: 1.2; margin: 3rem 0 1rem; }
.article h3 { font-size: 1.2rem; line-height: 1.3; margin: 2.25rem 0 0.75rem; }
.article p, .article ul, .article ol { margin: 0 0 1.1rem; }
.article li { margin-bottom: 0.4rem; }
.article hr { border: 0; border-top: 1px solid var(--rule); margin: 2.5rem 0; }
.article strong { font-weight: 650; }

.article pre {
  background: var(--paper-2); border: 1px solid var(--rule); border-radius: 4px;
  padding: 1rem; overflow-x: auto; font-size: 0.82rem; line-height: 1.5;
  white-space: pre-wrap; word-break: break-word;
}
.article code { font-family: var(--mono); font-size: 0.88em; }

.table-scroll { overflow-x: auto; margin: 0 0 1.5rem; }
.article table { border-collapse: collapse; width: 100%; font-size: 0.95rem; min-width: 32rem; }
.article th, .article td { border-bottom: 1px solid var(--rule); padding: 0.55rem 0.6rem; text-align: left; vertical-align: top; }
.article th { font-family: var(--mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-2); }

/* ---------- private library index ---------- */

.link-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.75rem; }
.link-list li { display: grid; grid-template-columns: 5.25rem 1fr; align-items: baseline; }
.link-list a { color: var(--ink); text-decoration-color: var(--rule); }
.link-list a:hover { color: var(--accent); text-decoration-color: var(--accent); }
.tag {
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--accent);
}

.copy-prompt {
  font-family: var(--mono); font-size: 0.72rem; cursor: pointer;
  background: transparent; color: var(--accent); border: 1px solid var(--rule);
  border-radius: 3px; padding: 0.2rem 0.5rem; margin: -0.5rem 0 1rem;
}