/* =========================================================
   Driftless Rivers Corridor Project — base stylesheet
   Aesthetic: regional editorial publication × planning brief
   Display: Fraunces.  Body: Newsreader.
   ========================================================= */

:root {
  /* Palette — Driftless paper, river, field, harvest */
  --paper:        #f4ede0;
  --paper-deep:   #ebe1cf;
  --ink:          #1f1a17;
  --ink-soft:     #4a423d;
  --river:        #1e4d6b;
  --river-deep:   #163a52;
  --amber:        #b8730f;
  --amber-soft:   #d39a3c;
  --field:        #6b7a4e;
  --stone:        #a39b8b;
  --rule:         #d8cdb6;

  /* Type */
  --display: 'Fraunces', 'Times New Roman', serif;
  --body:    'Newsreader', Georgia, serif;

  /* Rhythm */
  --measure: 64ch;
  --gutter:  clamp(1rem, 4vw, 3rem);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: clamp(17px, 1.05vw + 14px, 19px);
  line-height: 1.55;
  font-feature-settings: "onum", "kern";
  -webkit-font-smoothing: antialiased;
}

/* Subtle topographic backdrop — repeating contour-line motif */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.06;
  background-image:
    radial-gradient(ellipse 60% 40% at 20% 30%, var(--river) 0 1px, transparent 1px),
    radial-gradient(ellipse 80% 50% at 70% 60%, var(--field) 0 1px, transparent 1px);
  background-size: 800px 600px, 1000px 700px;
}

main, header, footer { position: relative; z-index: 1; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 500;
  font-variation-settings: "opsz" 144, "SOFT" 30;
  letter-spacing: -0.01em;
  line-height: 1.05;
  margin: 0 0 0.5em;
  color: var(--ink);
}

h1 { font-size: clamp(2.4rem, 5.5vw, 4.4rem); font-weight: 400; }
h2 { font-size: clamp(1.7rem, 3vw, 2.6rem); font-weight: 500; }
h3 { font-size: clamp(1.2rem, 1.6vw, 1.5rem); font-weight: 600; font-variation-settings: "opsz" 14; }

p { margin: 0 0 1em; max-width: var(--measure); }

a {
  color: var(--river);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 120ms ease;
}
a:hover { color: var(--amber); }

.eyebrow {
  font-family: var(--display);
  font-variation-settings: "opsz" 14;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  display: inline-block;
  margin-bottom: 1rem;
}

.lede {
  font-family: var(--display);
  font-variation-settings: "opsz" 36, "SOFT" 50;
  font-size: clamp(1.2rem, 1.6vw, 1.5rem);
  line-height: 1.35;
  color: var(--ink-soft);
  max-width: 52ch;
  font-weight: 400;
}

.pull {
  font-family: var(--display);
  font-variation-settings: "opsz" 72;
  font-size: clamp(1.5rem, 2.4vw, 2.1rem);
  line-height: 1.2;
  color: var(--river-deep);
  border-left: 3px solid var(--amber);
  padding-left: 1.5rem;
  margin: 2.5rem 0;
  max-width: 38ch;
}

/* ---------- Top bar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem var(--gutter);
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(120%) blur(6px);
}

.topbar .mark {
  font-family: var(--display);
  font-variation-settings: "opsz" 14;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--ink);
}
.topbar .mark span { color: var(--amber); }

.topbar nav {
  display: flex;
  gap: clamp(0.8rem, 2vw, 2rem);
  font-size: 0.88rem;
}
.topbar nav a {
  color: var(--ink-soft);
  text-decoration: none;
  letter-spacing: 0.02em;
}
.topbar nav a:hover { color: var(--river); }

/* ---------- Hero ---------- */
.hero {
  padding: clamp(3rem, 8vw, 7rem) var(--gutter) clamp(3rem, 6vw, 5rem);
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
  border-bottom: 1px solid var(--rule);
}
@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; }
}

.hero h1 .accent {
  color: var(--river);
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 80;
}
.hero .meta {
  font-family: var(--display);
  font-size: 0.82rem;
  color: var(--ink-soft);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-top: 1px solid var(--rule);
  padding-top: 1rem;
  max-width: 30ch;
}

/* ---------- Section frame ---------- */
section {
  padding: clamp(3rem, 6vw, 5rem) var(--gutter);
  border-bottom: 1px solid var(--rule);
}
section.tight { padding-block: clamp(2rem, 4vw, 3.5rem); }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 2rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 0.6rem;
}
.section-head .num {
  font-family: var(--display);
  font-variation-settings: "opsz" 14;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--amber);
}

/* ---------- The 20-minute definition (signature block) ---------- */
.definition {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  background: var(--paper-deep);
  padding: clamp(2rem, 5vw, 4rem);
  border: 1px solid var(--rule);
}
@media (max-width: 820px) {
  .definition { grid-template-columns: 1fr; }
}
.definition .figure {
  font-family: var(--display);
  font-variation-settings: "opsz" 144, "SOFT" 0;
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: 0.95;
  color: var(--river-deep);
}
.definition .figure em {
  display: block;
  font-style: italic;
  font-variation-settings: "opsz" 144, "SOFT" 80;
  color: var(--amber);
  font-size: 0.55em;
}
.definition .figure .small {
  font-size: 0.3em;
  color: var(--ink-soft);
  font-variation-settings: "opsz" 14;
  letter-spacing: 0.05em;
  display: block;
  margin-top: 0.6em;
  line-height: 1.4;
  font-style: normal;
  font-weight: 500;
}

/* ---------- County grid ---------- */
.counties {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.county {
  background: var(--paper);
  padding: 1.6rem 1.4rem;
  text-decoration: none;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: background 160ms ease, color 160ms ease;
  position: relative;
  min-height: 140px;
}
.county:hover { background: var(--ink); color: var(--paper); }
.county:hover .county-meta { color: var(--amber-soft); }
.county .county-name {
  font-family: var(--display);
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.county .county-meta {
  font-family: var(--display);
  font-variation-settings: "opsz" 14;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: auto;
}
.county.pilot::after {
  content: "PILOT CORRIDOR";
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: var(--display);
  font-variation-settings: "opsz" 14;
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  color: var(--amber);
  font-weight: 600;
}

/* ---------- Two-column prose ---------- */
.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
}
@media (max-width: 820px) {
  .two-col { grid-template-columns: 1fr; }
}

/* ---------- Stakeholder voices ---------- */
.voices {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.voice {
  background: var(--paper-deep);
  padding: 1.5rem 1.6rem;
  border-top: 3px solid var(--amber);
}
.voice .who {
  font-family: var(--display);
  font-variation-settings: "opsz" 14;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.5rem;
  font-weight: 600;
}
.voice .asks {
  font-family: var(--display);
  font-variation-settings: "opsz" 36, "SOFT" 50;
  font-size: 1.15rem;
  line-height: 1.35;
  color: var(--ink);
  margin: 0;
}

/* ---------- External links card row ---------- */
.outbound {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.outbound a {
  display: block;
  text-decoration: none;
  padding: 2rem 1.8rem;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  transition: background 160ms ease, color 160ms ease;
}
.outbound a:hover { background: var(--river); }
.outbound a .eyebrow { color: var(--amber-soft); }
.outbound a h3 { color: var(--paper); margin-top: 0.4rem; }
.outbound a p { color: var(--paper); opacity: 0.85; margin-bottom: 0; }
.outbound a .arrow {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--display);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--amber-soft);
}

/* ---------- Graphic placeholders (Jo Daviess page) ---------- */
.placeholder {
  background: repeating-linear-gradient(
    45deg,
    var(--paper-deep),
    var(--paper-deep) 12px,
    var(--paper) 12px,
    var(--paper) 24px
  );
  border: 1px dashed var(--stone);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 1.5rem;
  min-height: 220px;
  color: var(--ink-soft);
  font-family: var(--display);
  font-variation-settings: "opsz" 14;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.graphic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

/* ---------- Footer ---------- */
footer {
  padding: 3rem var(--gutter);
  background: var(--ink);
  color: var(--paper);
}
footer a { color: var(--amber-soft); }
footer .cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}
footer h4 {
  color: var(--paper);
  font-variation-settings: "opsz" 14;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}
footer .fineprint {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid #3a322c;
  font-size: 0.82rem;
  color: var(--stone);
}

/* ---------- Misc ---------- */
.btn {
  display: inline-block;
  padding: 0.9rem 1.4rem;
  background: var(--river);
  color: var(--paper);
  text-decoration: none;
  font-family: var(--display);
  font-variation-settings: "opsz" 14;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: none;
  transition: background 160ms ease;
}
.btn:hover { background: var(--amber); color: var(--ink); }
.btn.ghost { background: transparent; color: var(--river); border: 1px solid var(--river); }
.btn.ghost:hover { background: var(--river); color: var(--paper); }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--display);
  font-variation-settings: "opsz" 14;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 1rem;
}
.kicker::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--amber);
}

/* ---------- Exhibit gallery (homepage closing) ---------- */
.exhibits {
  display: flex;
  flex-direction: column;
  gap: clamp(3rem, 6vw, 5rem);
}
.exhibit {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}
.exhibit-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 0.5rem;
}
.exhibit-label .num {
  font-family: var(--display);
  font-variation-settings: "opsz" 14;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--amber);
  font-weight: 600;
  text-transform: uppercase;
}
.exhibit-label h3 {
  font-family: var(--display);
  font-size: clamp(1.2rem, 1.8vw, 1.6rem);
  margin: 0;
  font-weight: 500;
}
.exhibit figure {
  margin: 0;
  background: #ffffff;
  border: 1px solid var(--rule);
  box-shadow: 0 12px 28px rgba(31, 26, 23, 0.08);
  padding: 0;
  overflow: hidden;
}
.exhibit figure img {
  width: 100%;
  height: auto;
  display: block;
}
.exhibit figcaption {
  font-family: var(--body);
  font-size: 0.98rem;
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 62ch;
  font-style: italic;
}
.exhibit figcaption strong {
  font-style: normal;
  color: var(--ink);
}

/* Light separator between exhibits, in addition to gap */
.exhibits .exhibit + .exhibit {
  position: relative;
}
.exhibits .exhibit + .exhibit::before {
  content: "·  ·  ·";
  position: absolute;
  top: -2.5rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--stone);
  letter-spacing: 0.5em;
  font-size: 0.9rem;
}