/* =========================================================================
   ExamineTheRecord — Core Stylesheet
   Editorial, archival, procedural. Designed for restraint.
   ------------------------------------------------------------------------- */

/* ---------- Design tokens ---------- */
:root {
  /* Palette — calm grayscale + one accent */
  --color-bg:           #FBFAF7;   /* warm paper */
  --color-bg-elev:      #FFFFFF;
  --color-rule:         #E6E2DA;
  --color-rule-soft:    #EFECE5;
  --color-text:         #1C1C1C;
  --color-text-muted:   #5A5A57;
  --color-text-faint:   #8A8783;
  --color-accent:       #2C3E5C;   /* deep slate blue */
  --color-accent-soft:  #E6EBF2;
  --color-mark:         #F5F0E1;   /* very soft sand for highlights */
  --color-evidence:     #F4F2EC;
  --color-missing:      #F7EFE5;   /* warm caution, not red */

  /* Typography */
  --font-serif: "Source Serif 4", "Source Serif Pro", "Iowan Old Style",
                "Apple Garamond", Georgia, "Times New Roman", serif;
  --font-sans:  "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue",
                "Segoe UI", Roboto, system-ui, sans-serif;
  --font-mono:  "JetBrains Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;

  --fs-base:    1.0625rem;   /* 17px */
  --fs-lead:    1.1875rem;
  --fs-small:   0.875rem;
  --fs-micro:   0.75rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 6rem;

  /* Layout */
  --measure:        38rem;    /* readable line width */
  --measure-wide:   62rem;
  --measure-full:   78rem;
  --radius-sm:      2px;
  --radius-md:      4px;

  --transition: 180ms cubic-bezier(.2,.6,.2,1);
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-rendering: optimizeLegibility; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-serif);
  font-size: var(--fs-base);
  line-height: 1.65;
  font-feature-settings: "kern", "liga", "onum";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { max-width: 100%; display: block; }
hr {
  border: 0;
  border-top: 1px solid var(--color-rule);
  margin: var(--space-7) 0;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin: 0 0 var(--space-4);
}
h1 { font-size: clamp(1.85rem, 1.4rem + 1.6vw, 2.6rem); font-weight: 500; letter-spacing: -0.015em; }
h2 { font-size: clamp(1.4rem, 1.2rem + 0.8vw, 1.7rem); }
h3 { font-size: 1.2rem; }
h4 { font-size: 1rem; font-family: var(--font-sans); font-weight: 600; letter-spacing: 0.02em; text-transform: uppercase; color: var(--color-text-muted); }

p { margin: 0 0 var(--space-5); }
p + p { text-indent: 0; }

a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: var(--color-rule);
  transition: text-decoration-color var(--transition), color var(--transition);
}
a:hover { text-decoration-color: var(--color-accent); }

strong { font-weight: 600; }
em { font-style: italic; }
small { font-size: var(--fs-small); color: var(--color-text-muted); }

::selection { background: var(--color-mark); color: var(--color-text); }

/* Sans utility (for chrome, labels, metadata) */
.sans { font-family: var(--font-sans); }
.mono { font-family: var(--font-mono); }
.eyebrow {
  font-family: var(--font-sans);
  font-size: var(--fs-micro);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
}
.meta {
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  letter-spacing: 0.01em;
}
.meta .dot { margin: 0 var(--space-2); color: var(--color-text-faint); }

/* ---------- Layout primitives ---------- */
.container {
  width: 100%;
  max-width: var(--measure-full);
  margin: 0 auto;
  padding: 0 var(--space-5);
}
.measure { max-width: var(--measure); margin-left: auto; margin-right: auto; }
.measure-wide { max-width: var(--measure-wide); margin-left: auto; margin-right: auto; }

.section { padding: var(--space-8) 0; }
.section--thin { padding: var(--space-7) 0; }

/* ---------- Masthead ---------- */
.masthead {
  border-bottom: 1px solid var(--color-rule);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
}
.masthead__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  max-width: var(--measure-full);
  margin: 0 auto;
  gap: var(--space-5);
}
.wordmark {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  color: var(--color-text);
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
  gap: 0.5ch;
}
.wordmark__rule {
  display: inline-block;
  width: 18px;
  height: 1px;
  background: var(--color-accent);
  margin-right: 0.4ch;
  transform: translateY(-4px);
}
.wordmark__sub {
  font-family: var(--font-sans);
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-faint);
  margin-left: 0.6ch;
}
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}
.nav a {
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.01em;
}
.nav a:hover { color: var(--color-text); }
.nav a.is-current { color: var(--color-text); }

/* ---------- Hero / mission ---------- */
.hero {
  padding: var(--space-9) 0 var(--space-8);
  border-bottom: 1px solid var(--color-rule);
}
.hero__kicker {
  font-family: var(--font-sans);
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
}
.hero__title {
  font-size: clamp(2rem, 1.4rem + 2.4vw, 3.2rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 500;
  margin-bottom: var(--space-5);
  max-width: 26ch;
}
.hero__lede {
  font-size: var(--fs-lead);
  color: var(--color-text-muted);
  max-width: 52ch;
  line-height: 1.6;
}

/* ---------- Section header ---------- */
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-rule);
}
.section-head h2 { margin: 0; font-size: 1.05rem; font-family: var(--font-sans); font-weight: 600; text-transform: uppercase; letter-spacing: 0.14em; color: var(--color-text-muted); }
.section-head a { font-family: var(--font-sans); font-size: var(--fs-small); color: var(--color-text-muted); }

/* ---------- Article list / cards ---------- */
.entry-list { display: grid; gap: var(--space-6); }
@media (min-width: 760px) {
  .entry-list--two { grid-template-columns: 1fr 1fr; gap: var(--space-7); }
  .entry-list--three { grid-template-columns: repeat(3, 1fr); gap: var(--space-7); }
}
.entry {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.entry__topic {
  font-family: var(--font-sans);
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent);
}
.entry__title {
  font-size: 1.35rem;
  line-height: 1.3;
  letter-spacing: -0.005em;
  margin: var(--space-1) 0 var(--space-2);
  font-weight: 500;
}
.entry__title a {
  color: var(--color-text);
  text-decoration: none;
  background-image: linear-gradient(var(--color-rule), var(--color-rule));
  background-size: 100% 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-image var(--transition);
}
.entry__title a:hover {
  background-image: linear-gradient(var(--color-accent), var(--color-accent));
}
.entry__dek {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.55;
  margin-bottom: var(--space-2);
}
.entry__meta { font-family: var(--font-sans); font-size: var(--fs-small); color: var(--color-text-faint); }

.entry--featured {
  border-top: 2px solid var(--color-text);
  padding-top: var(--space-5);
}
.entry--featured .entry__title { font-size: 1.85rem; line-height: 1.2; }
.entry--featured .entry__dek { font-size: 1.05rem; }

/* ---------- Topic chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.chip {
  font-family: var(--font-sans);
  font-size: var(--fs-micro);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border: 1px solid var(--color-rule);
  padding: 4px 9px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: border-color var(--transition), color var(--transition);
}
.chip:hover { border-color: var(--color-accent); color: var(--color-text); }

/* ---------- Topic hub tiles ---------- */
.topic-grid {
  display: grid;
  gap: var(--space-5);
}
@media (min-width: 760px) {
  .topic-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1080px) {
  .topic-grid { grid-template-columns: repeat(3, 1fr); }
}
.topic-tile {
  border: 1px solid var(--color-rule);
  padding: var(--space-5) var(--space-5);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  transition: border-color var(--transition), background var(--transition);
  background: var(--color-bg-elev);
}
.topic-tile:hover { border-color: var(--color-accent); }
.topic-tile__label {
  font-family: var(--font-sans);
  font-size: var(--fs-micro);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}
.topic-tile__title { font-size: 1.15rem; line-height: 1.3; margin: 0; }
.topic-tile__count { font-family: var(--font-sans); font-size: var(--fs-small); color: var(--color-text-muted); margin-top: auto; padding-top: var(--space-3); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-rule);
  padding: var(--space-8) 0 var(--space-7);
  margin-top: var(--space-9);
  color: var(--color-text-muted);
  font-family: var(--font-sans);
  font-size: var(--fs-small);
}
.site-footer__grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .site-footer__grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}
.site-footer h5 {
  font-family: var(--font-sans);
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-faint);
  margin: 0 0 var(--space-3);
}
.site-footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--space-2); }
.site-footer a { color: var(--color-text-muted); text-decoration: none; }
.site-footer a:hover { color: var(--color-text); }
.site-footer__colophon {
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-rule-soft);
  font-size: var(--fs-micro);
  color: var(--color-text-faint);
  letter-spacing: 0.04em;
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-text);
  color: var(--color-bg);
  padding: 8px 12px;
  font-family: var(--font-sans);
  font-size: var(--fs-small);
  z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ---------- Focus ---------- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ---------- Utility ---------- */
.muted { color: var(--color-text-muted); }
.faint { color: var(--color-text-faint); }
.center { text-align: center; }
.space-y-4 > * + * { margin-top: var(--space-4); }
.space-y-5 > * + * { margin-top: var(--space-5); }
.space-y-6 > * + * { margin-top: var(--space-6); }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}