/* The Scale-to-Zero Report
   One stylesheet, no framework, no build step, no webfont request.
   The system font stack is not laziness -- it is the argument. */

:root {
  --ink:      #14161a;
  --ink-soft: #4a5058;
  --ink-faint:#767d87;
  --paper:    #f7f6f3;
  --card:     #ffffff;
  --rule:     #ddd9d1;
  --accent:   #b3341f;   /* invoice red */
  --accent-2: #1b6b57;   /* flat-stack green */
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --measure: 34rem;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink:      #e9e6e0;
    --ink-soft: #a8a49c;
    --ink-faint:#7d7973;
    --paper:    #14151a;
    --card:     #1c1e24;
    --rule:     #2f323a;
    --accent:   #ef6a4f;
    --accent-2: #4fbf9c;
  }
}
:root[data-theme="dark"] {
  --ink:#e9e6e0; --ink-soft:#a8a49c; --ink-faint:#7d7973;
  --paper:#14151a; --card:#1c1e24; --rule:#2f323a;
  --accent:#ef6a4f; --accent-2:#4fbf9c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

/* ------------------------------------------------------------- masthead */
.masthead {
  border-bottom: 3px double var(--rule);
  padding: 2.2rem 1.5rem 1.1rem;
  text-align: center;
}
.wordmark {
  display: inline-block;
  font-family: var(--serif);
  font-size: clamp(1.9rem, 6vw, 3.1rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
  line-height: 1.05;
}
.wordmark-the { font-style: italic; font-weight: 400; color: var(--ink-soft); }
.wordmark-report { color: var(--accent); }
.masthead-tag {
  margin: 0.5rem 0 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: var(--ink-faint);
}
.masthead-nav {
  margin-top: 1.1rem;
  display: flex; gap: 1.4rem; justify-content: center; flex-wrap: wrap;
  font-family: var(--mono); font-size: 0.74rem;
  text-transform: uppercase; letter-spacing: 0.09em;
}
.masthead-nav a { color: var(--ink-soft); text-decoration: none; padding-bottom: 2px; }
.masthead-nav a:hover { color: var(--accent); border-bottom: 1px solid var(--accent); }

.wrap { max-width: 46rem; margin: 0 auto; padding: 2.6rem 1.5rem 1rem; }

/* ----------------------------------------------------------------- lede */
.lede { border-bottom: 1px solid var(--rule); padding-bottom: 2rem; margin-bottom: 2.4rem; }
.lede h1 {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 4.2vw, 2.15rem);
  line-height: 1.25; font-weight: 700; margin: 0 0 0.9rem;
  letter-spacing: -0.015em;
}
.lede p { margin: 0; color: var(--ink-soft); max-width: var(--measure); }

/* ---------------------------------------------------------------- cards */
.cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.1rem; }
.card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  border-radius: 3px;
  transition: transform .12s ease, box-shadow .12s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 6px 22px rgba(0,0,0,.09); }
.card-link { display: block; padding: 1.3rem 1.5rem; text-decoration: none; }
.card-kicker, .article-kicker {
  display: flex; align-items: center; gap: .8rem; flex-wrap: wrap;
  font-family: var(--mono); font-size: .68rem;
  text-transform: uppercase; letter-spacing: .1em; color: var(--ink-faint);
  margin-bottom: .7rem;
}
.card-title {
  font-family: var(--serif); font-size: 1.4rem; line-height: 1.25;
  margin: 0 0 .5rem; font-weight: 700; letter-spacing: -0.01em;
}
.card:hover .card-title { color: var(--accent); }
.card-dek { margin: 0 0 .7rem; color: var(--ink-soft); font-size: .95rem; }
.card-source { margin: 0; font-family: var(--mono); font-size: .7rem; color: var(--ink-faint); }

/* ------------------------------------------------------------------ tag */
.tag {
  display: inline-block; padding: .2rem .5rem; border-radius: 2px;
  background: var(--accent); color: #fff; font-weight: 600;
  font-size: .64rem; letter-spacing: .08em;
}
.tag-repatriation, .tag-complexity_debt { background: var(--accent-2); }
.tag-dc_buildout, .tag-ai_compute_burn { background: #7a5c1e; }
.tag-breach_surface, .tag-outage_cascade { background: #5b3a8e; }

/* -------------------------------------------------------------- article */
.article-title {
  font-family: var(--serif);
  font-size: clamp(1.85rem, 5.5vw, 2.75rem);
  line-height: 1.15; font-weight: 700; margin: 0 0 .8rem;
  letter-spacing: -0.02em;
}
.article-dek {
  font-family: var(--serif); font-size: 1.2rem; font-style: italic;
  color: var(--ink-soft); margin: 0 0 2rem; line-height: 1.45;
  max-width: var(--measure);
}
.section { margin: 2.4rem 0; }
.section h2 {
  font-family: var(--mono); font-size: .74rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .14em; color: var(--accent);
  margin: 0 0 .9rem; padding-bottom: .45rem; border-bottom: 1px solid var(--rule);
}
.section p { margin: 0 0 1.1rem; max-width: var(--measure); }
.section code {
  font-family: var(--mono); font-size: .87em;
  background: var(--card); border: 1px solid var(--rule);
  padding: .1rem .3rem; border-radius: 2px;
}
.section a { color: var(--accent); text-underline-offset: 2px; }

/* ---------------------------------------------------------- source card */
.source-card {
  background: var(--card); border: 1px solid var(--rule);
  border-left: 3px solid var(--ink-faint);
  padding: 1rem 1.2rem; margin: 0 0 2.2rem; border-radius: 3px;
}
.source-label, .rebuttal-label {
  margin: 0 0 .35rem; font-family: var(--mono); font-size: .64rem;
  text-transform: uppercase; letter-spacing: .12em; color: var(--ink-faint);
}
.source-title { margin: 0 0 .3rem; font-family: var(--serif); font-size: 1.03rem; font-weight: 600; }
.source-title a { color: var(--ink); text-underline-offset: 2px; }
.source-title a:hover { color: var(--accent); }
.source-meta { margin: 0; font-family: var(--mono); font-size: .72rem; color: var(--ink-faint); }
.source-meta a { color: var(--ink-soft); }

/* ------------------------------------------------------------ pull/rebuttal */
.pull {
  margin: 2.4rem 0; padding: 0 0 0 1.4rem;
  border-left: 3px solid var(--accent);
  font-family: var(--serif); font-size: 1.4rem; font-style: italic;
  line-height: 1.35; color: var(--ink);
}
.rebuttal {
  margin: 2.8rem 0 1rem; padding: 1.2rem 1.4rem;
  background: var(--card); border: 1px solid var(--rule);
  border-left: 3px solid var(--accent-2); border-radius: 3px;
}
.rebuttal-body { margin: 0; font-family: var(--serif); font-size: 1.06rem; line-height: 1.5; }

.cat-list { padding-left: 1.1rem; max-width: var(--measure); }
.cat-list li { margin-bottom: .55rem; }
.empty { color: var(--ink-faint); font-family: var(--mono); font-size: .85rem; }

/* --------------------------------------------------------------- footer */
.footer {
  border-top: 3px double var(--rule);
  margin-top: 3.5rem; padding: 2rem 1.5rem 3rem;
  text-align: center;
}
.footer-thesis {
  font-family: var(--serif); font-size: 1.05rem; color: var(--ink-soft);
  max-width: 34rem; margin: 0 auto 1.2rem;
}
.footer-meta {
  font-family: var(--mono); font-size: .7rem; color: var(--ink-faint);
  max-width: 38rem; margin: 0 auto .6rem; line-height: 1.7;
}
.footer-meta a { color: var(--ink-soft); }
.footer-dogfood { opacity: .8; }

@media (max-width: 560px) {
  body { font-size: 16px; }
  .wrap { padding: 1.8rem 1.1rem 1rem; }
  .card-link { padding: 1.1rem 1.1rem; }
}

/* ------------------------------------------------------------- manifesto */
.manifesto-standfirst {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 3vw, 1.4rem);
  line-height: 1.4;
  margin: 0 0 1.1rem;
  padding-left: 1.1rem;
  border-left: 3px solid var(--accent);
  max-width: var(--measure);
}
.section-kicker {
  margin: -.3rem 0 1.1rem;
  font-family: var(--mono);
  font-size: .74rem;
  color: var(--ink-faint);
  max-width: var(--measure);
}

.principles { list-style: none; margin: 0; padding: 0; counter-reset: none; }
.principle {
  display: flex;
  gap: 1rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--rule);
  max-width: var(--measure);
}
.principle:last-child { border-bottom: none; }
.principle-num {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: .82rem;
  font-weight: 600;
  color: var(--accent);
  line-height: 1.7;
  min-width: 1.9rem;
}
.principle-text { min-width: 0; }
.principle-name {
  margin: 0 0 .35rem;
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
}
.principle-text p:not(.principle-name) {
  margin: 0 0 .5rem;
  color: var(--ink-soft);
  font-size: .95rem;
}
.principle-text p:last-child { margin-bottom: 0; }

@media (max-width: 560px) {
  .principle { gap: .7rem; }
  .principle-num { min-width: 1.5rem; font-size: .75rem; }
}