/* ============================================================
   THE RURAL INSTITUTE — design system
   Sage field, warm paper, vermilion marks.
   Tokens below; everything else is built from them.
   ============================================================ */

:root {
  --sage:        #75825F;
  --sage-deep:   #5C684A;
  --sage-mist:   #E8EBE0;
  --paper:       #F7F4EC;
  --paper-bright:#FDFCF8;
  --ink:         #22211C;
  --ink-soft:    #4B493F;
  --ink-faint:   #8B8778;
  --vermilion:   #E23E1E;
  --sky:         #C9DCE8;
  --harvest:     #E0A83E;
  --line:        #DDD8CA;

  --font-display: "Space Grotesk", "Helvetica Neue", sans-serif;
  --font-mono:    "Space Mono", "Courier New", monospace;
  --font-body:    "Newsreader", Georgia, serif;

  --max: 1080px;
  --pad: clamp(20px, 4vw, 48px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 17.5px;
  line-height: 1.66;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

.wrap { max-width: var(--max); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }
.narrow { max-width: 760px; }
.prose { max-width: 760px; }

/* ---------- Masthead ---------- */

.masthead {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.masthead .wrap {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 62px; gap: 18px; flex-wrap: wrap;
  padding-top: 10px; padding-bottom: 10px;
}
.brand {
  font-family: var(--font-mono); font-size: 16px; letter-spacing: .01em;
  text-decoration: none; white-space: nowrap;
}
.brand b { font-weight: 700; }
nav.primary { display: flex; gap: clamp(10px, 2vw, 24px); flex-wrap: wrap; }
nav.primary a {
  font-family: var(--font-display); font-size: 13.5px; letter-spacing: .02em;
  text-decoration: none; color: var(--ink-soft);
  padding: 4px 0; border-bottom: 2px solid transparent;
}
nav.primary a:hover { color: var(--ink); }
nav.primary a.active { color: var(--ink); border-bottom-color: var(--vermilion); }

/* ---------- Type ---------- */

.kicker {
  font-family: var(--font-mono); font-size: 12px; font-weight: 700;
  letter-spacing: .13em; text-transform: uppercase;
  color: var(--vermilion);
  display: block; margin-bottom: 18px;
}
.kicker::before { content: "— "; }

h1 {
  font-family: var(--font-mono); font-weight: 700;
  font-size: clamp(34px, 6vw, 62px); line-height: 1.04;
  letter-spacing: -.02em;
}
h2 {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(25px, 3.3vw, 36px); line-height: 1.18;
  letter-spacing: -.01em;
}
h3 {
  font-family: var(--font-display); font-weight: 500;
  font-size: 19px; line-height: 1.3;
}
h4 {
  font-family: var(--font-mono); font-weight: 700;
  font-size: 12.5px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-faint);
}
p + p { margin-top: 1em; }
.lede { font-size: clamp(19px, 2.2vw, 22.5px); line-height: 1.55; color: var(--ink-soft); }
strong { font-weight: 600; }

/* ---------- Sections ---------- */

section { padding: clamp(52px, 8vw, 92px) 0; }
section + section { border-top: 1px solid var(--line); }
.section-head { margin-bottom: 34px; max-width: 760px; }
.section-head h2 + p { margin-top: 14px; }

/* ---------- Hero ---------- */

.hero {
  background: var(--sage);
  color: var(--paper-bright);
  padding: clamp(64px, 11vw, 132px) 0 clamp(52px, 9vw, 104px);
  border-top: none;
}
.hero .kicker { color: var(--paper-bright); opacity: .82; }
.hero h1 { max-width: 15ch; }
.hero .lede { color: color-mix(in srgb, var(--paper-bright) 88%, var(--sage)); margin-top: 26px; max-width: 46ch; }

.hero-page { background: var(--sage); color: var(--paper-bright); padding: clamp(52px, 8vw, 96px) 0 clamp(40px, 6vw, 72px); }
.hero-page .kicker { color: var(--paper-bright); opacity: .82; }
.hero-page h1 { font-size: clamp(32px, 5vw, 52px); }
.hero-page .lede { color: color-mix(in srgb, var(--paper-bright) 88%, var(--sage)); margin-top: 20px; max-width: 54ch; }

/* ---------- Status note ---------- */

.note {
  background: var(--paper-bright);
  border: 1px solid var(--line);
  border-left: 4px solid var(--vermilion);
  padding: clamp(22px, 3vw, 32px);
}
.note h4 { margin-bottom: 12px; color: var(--vermilion); }
.note.calm { border-left-color: var(--sage); }
.note.calm h4 { color: var(--sage-deep); }
.note p { font-size: 16.5px; }
.note ul { margin: 12px 0 0 0; padding-left: 20px; font-size: 16.5px; }
.note li + li { margin-top: 7px; }

/* ---------- Plain lists (thin rules) ---------- */

.plain { list-style: none; }
.plain li {
  padding: 20px 0;
  border-top: 1px solid var(--line);
  display: grid; grid-template-columns: minmax(150px, 210px) 1fr; gap: clamp(14px, 3vw, 40px);
}
.plain li:last-child { border-bottom: 1px solid var(--line); }
.plain .term {
  font-family: var(--font-display); font-weight: 500; font-size: 16.5px;
  line-height: 1.35;
}
.plain .desc { font-size: 16.5px; color: var(--ink-soft); }
.plain .desc a { color: var(--sage-deep); }

@media (max-width: 660px) {
  .plain li { grid-template-columns: 1fr; gap: 6px; }
}

/* ---------- Cards ---------- */

.cards { display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.card {
  background: var(--paper-bright);
  border: 1px solid var(--line);
  padding: 26px;
}
.card h3 { margin-bottom: 10px; }
.card p { font-size: 16px; color: var(--ink-soft); }
.card .num {
  font-family: var(--font-mono); font-weight: 700; font-size: 12px;
  letter-spacing: .12em; color: var(--vermilion); display: block; margin-bottom: 14px;
}

/* ---------- People ---------- */

.people { display: grid; gap: 26px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.person { border-top: 2px solid var(--ink); padding-top: 18px; }
.person h3 { font-family: var(--font-mono); font-weight: 700; font-size: 18px; }
.person .role {
  font-family: var(--font-display); font-size: 13px; letter-spacing: .04em;
  text-transform: uppercase; color: var(--ink-faint); margin: 6px 0 12px;
}
.person p { font-size: 16.5px; color: var(--ink-soft); }

/* ---------- Tool cards ---------- */

.tool {
  background: var(--paper-bright);
  border: 1px solid var(--line);
  margin-bottom: 26px;
  display: grid; grid-template-columns: minmax(0, 420px) 1fr;
}
.tool .shot {
  background: var(--sage-mist); border-right: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.tool .shot img { width: 100%; height: auto; }
.tool .body { padding: clamp(24px, 3vw, 34px); }
.tool h3 { font-family: var(--font-mono); font-weight: 700; font-size: 20px; line-height: 1.25; }
.tool .type {
  font-family: var(--font-mono); font-size: 11.5px; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; color: var(--vermilion);
  display: block; margin-bottom: 12px;
}
.tool p { font-size: 16.5px; color: var(--ink-soft); margin-top: 12px; }
.tool .facts { list-style: none; margin-top: 16px; }
.tool .facts li {
  font-family: var(--font-display); font-size: 14.5px; color: var(--ink-soft);
  padding: 7px 0; border-top: 1px solid var(--line);
  display: flex; gap: 14px; justify-content: space-between; flex-wrap: wrap;
}
.tool .facts .k { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-faint); }
.tool .facts .v { text-align: right; flex: 1 1 60%; }
.tool .internal {
  display: inline-block; margin-top: 20px;
  font-family: var(--font-mono); font-size: 13px; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
  padding: 12px 24px; border-radius: 999px;
  color: var(--ink-faint); border: 1px dashed #C9C3B2;
  background: transparent;
}
.tool .legal {
  margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line);
  font-family: var(--font-display); font-size: 13px; line-height: 1.5; color: var(--ink-faint);
}
.tool .legal a { color: var(--sage-deep); }

@media (max-width: 760px) {
  .tool { grid-template-columns: 1fr; }
  .tool .shot { border-right: none; border-bottom: 1px solid var(--line); }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-block; margin-top: 20px;
  font-family: var(--font-mono); font-size: 13px; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase; text-decoration: none;
  padding: 12px 24px; border-radius: 999px;
  background: var(--ink); color: var(--paper-bright);
  border: 1px solid var(--ink);
}
.btn:hover { background: var(--sage-deep); border-color: var(--sage-deep); }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--paper-bright); }
.hero .btn { background: var(--paper-bright); color: var(--ink); border-color: var(--paper-bright); }
.hero .btn:hover { background: transparent; color: var(--paper-bright); }

/* ---------- Legal document ---------- */

.legaldoc { max-width: 720px; }
.legaldoc h2 { font-size: clamp(21px, 2.4vw, 26px); margin-top: 46px; margin-bottom: 12px; }
.legaldoc h2:first-of-type { margin-top: 0; }
.legaldoc h2 .n {
  font-family: var(--font-mono); font-size: 13px; color: var(--vermilion);
  display: inline-block; min-width: 2.2em;
}
.legaldoc p, .legaldoc li { font-size: 16.5px; color: var(--ink-soft); }
.legaldoc ul, .legaldoc ol { margin: 12px 0 0 0; padding-left: 22px; }
.legaldoc li + li { margin-top: 8px; }
.legaldoc .caps { font-variant: normal; text-transform: none; }
.legaldoc .stamp {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--ink-faint);
  padding-bottom: 22px; margin-bottom: 30px; border-bottom: 1px solid var(--line);
}

/* ---------- Footer ---------- */

footer {
  background: var(--ink); color: var(--paper);
  padding: clamp(48px, 7vw, 76px) 0 40px;
}
footer a { color: var(--paper); }
footer .cols { display: grid; gap: 34px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
footer h4 { color: color-mix(in srgb, var(--paper) 55%, var(--ink)); margin-bottom: 14px; }
footer ul { list-style: none; }
footer li { margin-bottom: 9px; font-family: var(--font-display); font-size: 15px; }
footer li a { text-decoration: none; opacity: .86; }
footer li a:hover { opacity: 1; text-decoration: underline; }
footer .rule { height: 1px; background: color-mix(in srgb, var(--paper) 22%, var(--ink)); margin: 42px 0 22px; }
footer .fine {
  font-family: var(--font-display); font-size: 13px; line-height: 1.6;
  color: color-mix(in srgb, var(--paper) 62%, var(--ink));
  display: flex; gap: 18px; justify-content: space-between; flex-wrap: wrap;
}
footer .mark { font-family: var(--font-mono); font-weight: 700; font-size: 15px; }