/* =====================================================
   Oregon Pharmacy Deserts — Interactive Map
   Palette: teal primary + terra accent on warm cream
   ===================================================== */

:root {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.875rem;
  --radius-xl: 1.25rem;

  /* Transitions */
  --transition: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-wide: 1240px;

  /* Fonts */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}

/* Light palette */
:root,
[data-theme='light'] {
  --color-bg: #f7f4ee;
  --color-surface: #fbf9f4;
  --color-surface-2: #ffffff;
  --color-surface-offset: #efeae0;
  --color-divider: #e2dccf;
  --color-border: #d4ccba;

  --color-text: #1f2a2c;
  --color-text-muted: #5e6a6c;
  --color-text-faint: #8b9495;

  --color-primary: #1a6873;          /* hydra teal */
  --color-primary-hover: #0e5159;
  --color-primary-soft: #d8e6e6;

  --color-accent: #a84b2f;           /* terra */
  --color-accent-soft: #ecd6cc;

  --color-desert: #b3492c;           /* desert tract fill */
  --color-served: #a8d2c4;           /* served tract fill */

  --shadow-sm: 0 1px 2px rgba(31, 42, 44, 0.06);
  --shadow-md: 0 6px 18px rgba(31, 42, 44, 0.08);
  --shadow-lg: 0 16px 40px rgba(31, 42, 44, 0.12);
}

/* Dark palette */
[data-theme='dark'] {
  --color-bg: #0f1718;
  --color-surface: #14201f;
  --color-surface-2: #1a2828;
  --color-surface-offset: #1f2c2c;
  --color-divider: #243334;
  --color-border: #324343;

  --color-text: #e7eded;
  --color-text-muted: #9ba8a9;
  --color-text-faint: #6a7777;

  --color-primary: #5fb5b9;
  --color-primary-hover: #82c9cc;
  --color-primary-soft: #1f3a3c;

  --color-accent: #d6754c;
  --color-accent-soft: #3a2620;

  --color-desert: #d6754c;
  --color-served: #5a8a7c;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
}

/* ===== Reset / Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}
body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}
img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
button { cursor: pointer; background: none; border: none; color: inherit; font: inherit; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-hover); }
h1, h2, h3, h4 { font-family: var(--font-display); text-wrap: balance; line-height: 1.1; letter-spacing: -0.02em; font-weight: 600; }
p { text-wrap: pretty; }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* ===== Layout ===== */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin: 0 auto;
  padding-inline: clamp(var(--space-4), 4vw, var(--space-12));
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.muted { color: var(--color-text-muted); }
.small { font-size: var(--text-sm); }

.section-head {
  max-width: 720px;
  margin-bottom: var(--space-10);
}
.section-head h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--color-divider);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
}
.brand:hover { color: var(--color-text); }
.brand svg { color: var(--color-primary); flex-shrink: 0; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-family: var(--font-display); font-weight: 600; font-size: var(--text-base); letter-spacing: -0.01em; }
.brand-sub { font-size: var(--text-xs); color: var(--color-text-muted); }
.site-nav {
  display: flex;
  gap: var(--space-6);
  align-items: center;
}
.site-nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}
.site-nav a:hover { color: var(--color-text); }
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}
.theme-toggle:hover { color: var(--color-text); border-color: var(--color-primary); }
@media (max-width: 720px) {
  .site-nav { display: none; }
}

/* ===== Hero ===== */
.hero {
  padding-top: clamp(var(--space-12), 8vw, var(--space-24));
  padding-bottom: var(--space-16);
  background: radial-gradient(ellipse 80% 60% at 50% 0%, color-mix(in srgb, var(--color-primary) 8%, transparent), transparent 70%);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: center;
}
.hero-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-6);
  letter-spacing: -0.025em;
}
.hero-lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 56ch;
  margin-bottom: var(--space-8);
}
.hero-lede strong { color: var(--color-text); font-weight: 600; }
.hero-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: var(--transition);
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-hover); color: #fff; }
.btn-ghost {
  border-color: var(--color-border);
  color: var(--color-text);
  background: transparent;
}
.btn-ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }

.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}
.stat {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: var(--transition);
}
.stat:hover { border-color: var(--color-primary); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.stat.highlight { background: color-mix(in srgb, var(--color-primary) 8%, var(--color-surface)); border-color: var(--color-primary-soft); }
.stat-num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}
.stat-label { font-size: var(--text-sm); font-weight: 600; margin-bottom: 2px; }
.stat-sub { font-size: var(--text-xs); color: var(--color-text-muted); }

@media (max-width: 880px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
}

/* ===== Map ===== */
.map-section {
  padding-block: var(--space-16);
  background: var(--color-surface-offset);
  border-block: 1px solid var(--color-divider);
}
.map-section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}
.map-section-head h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}
.map-section-head p { max-width: 60ch; }

.map-shell {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: var(--space-4);
  width: 100%;
  max-width: var(--content-wide);
  margin: 0 auto;
  padding-inline: clamp(var(--space-4), 4vw, var(--space-12));
}
.map-sidebar {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  max-height: 720px;
  overflow-y: auto;
}
.control-group { display: flex; flex-direction: column; gap: var(--space-2); }
.control-title {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}
.toggle-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--text-sm);
  transition: var(--transition);
}
.toggle-row:hover { background: var(--color-surface-offset); }
.toggle-row input { accent-color: var(--color-primary); width: 16px; height: 16px; }

.zoom-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}
.zoom-btn {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  transition: var(--transition);
}
.zoom-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }

.legend-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  padding: var(--space-1) 0;
}
.swatch {
  width: 16px;
  height: 16px;
  border-radius: 3px;
  border: 1px solid var(--color-border);
  flex-shrink: 0;
}
.swatch-desert { background: var(--color-desert); opacity: 0.75; }
.swatch-served { background: var(--color-served); opacity: 0.55; }
.swatch-pharm { background: var(--color-primary); border-radius: 50%; border: 2px solid #fff; box-shadow: 0 0 0 1px var(--color-primary); }

.info-card { padding: 0; }
.info-content {
  background: var(--color-surface-offset);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  font-size: var(--text-sm);
  min-height: 120px;
}
.info-empty { color: var(--color-text-muted); font-style: italic; }
.info-content h4 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--color-text);
  letter-spacing: 0;
}
.info-content dl { display: grid; grid-template-columns: auto 1fr; gap: var(--space-1) var(--space-3); }
.info-content dt { color: var(--color-text-muted); font-size: var(--text-xs); }
.info-content dd { font-weight: 500; font-size: var(--text-xs); }
.info-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: var(--text-xs);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.info-badge.desert { background: color-mix(in srgb, var(--color-desert) 18%, transparent); color: var(--color-desert); }
.info-badge.served { background: color-mix(in srgb, var(--color-primary) 14%, transparent); color: var(--color-primary); }

.map-wrap {
  position: relative;
  height: 720px;
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
}
#map-canvas { width: 100%; height: 100%; }
.map-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-3);
  background: color-mix(in srgb, var(--color-surface) 95%, transparent);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  z-index: 5;
  transition: opacity 400ms ease;
}
.map-loading.hidden { opacity: 0; pointer-events: none; }
.spinner {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 3px solid var(--color-divider);
  border-top-color: var(--color-primary);
  animation: spin 800ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* MapLibre popup styling */
.maplibregl-popup-content {
  background: var(--color-surface) !important;
  color: var(--color-text) !important;
  border-radius: var(--radius-md) !important;
  border: 1px solid var(--color-divider) !important;
  box-shadow: var(--shadow-lg) !important;
  padding: var(--space-3) var(--space-4) !important;
  font-family: var(--font-body) !important;
  font-size: var(--text-sm) !important;
  max-width: 280px !important;
}
.maplibregl-popup-tip { border-top-color: var(--color-surface) !important; border-bottom-color: var(--color-surface) !important; }
.maplibregl-popup-close-button { color: var(--color-text-muted) !important; font-size: 18px !important; padding: 4px 8px !important; }
.popup-title { font-weight: 700; font-size: var(--text-sm); margin-bottom: 4px; color: var(--color-text); }
.popup-sub { font-size: var(--text-xs); color: var(--color-text-muted); margin-bottom: var(--space-2); }
.popup-row { display: flex; justify-content: space-between; gap: var(--space-3); font-size: var(--text-xs); padding: 2px 0; }
.popup-row span:first-child { color: var(--color-text-muted); }
.popup-row span:last-child { font-weight: 500; }

@media (max-width: 960px) {
  .map-shell { grid-template-columns: 1fr; }
  .map-sidebar { max-height: none; order: 2; }
  .map-wrap { height: 520px; }
}

/* ===== Findings ===== */
.findings { padding-block: var(--space-20); }
.finding-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
}
.finding-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.finding-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 100% 0%, color-mix(in srgb, var(--color-primary) 5%, transparent), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.finding-card:hover { border-color: var(--color-primary); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.finding-card:hover::before { opacity: 1; }
.finding-num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: -0.025em;
  line-height: 1;
  margin-bottom: var(--space-3);
}
.finding-card h3 {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
  letter-spacing: 0;
}
.finding-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.finding-card strong { color: var(--color-text); font-weight: 600; }

/* ===== County breakdown ===== */
.county-breakdown {
  background: var(--color-surface-offset);
  padding-block: var(--space-20);
  border-block: 1px solid var(--color-divider);
}
.county-table-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.county-table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
.county-table th {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-surface-offset);
}
.county-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  vertical-align: middle;
}
.county-table tr:last-child td { border-bottom: none; }
.county-table tr:hover { background: var(--color-surface-offset); }
.county-table td:nth-child(1) { font-weight: 600; }
.county-table td:nth-child(3) { font-variant-numeric: tabular-nums; color: var(--color-primary); font-weight: 600; }
.county-table td:nth-child(4) { font-variant-numeric: tabular-nums; }
.bar-cell { width: 40%; min-width: 120px; }
.bar-track {
  width: 100%;
  height: 8px;
  background: var(--color-divider);
  border-radius: 999px;
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 999px;
  transition: width 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ===== Methodology ===== */
.methodology { padding-block: var(--space-20); }
.methodology-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: start;
}
.methodology h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}
.methodology p { color: var(--color-text-muted); margin-bottom: var(--space-4); max-width: 60ch; }
.bullets { list-style: none; padding: 0; margin: var(--space-4) 0; }
.bullets li {
  padding: var(--space-3) 0 var(--space-3) var(--space-6);
  border-bottom: 1px solid var(--color-divider);
  position: relative;
  font-size: var(--text-sm);
}
.bullets li:last-child { border-bottom: none; }
.bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: calc(var(--space-3) + 0.55em);
  width: 14px;
  height: 2px;
  background: var(--color-primary);
}
.bullets strong { color: var(--color-text); }

.method-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}
.method-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
}
.data-list dt {
  font-weight: 700;
  font-size: var(--text-sm);
  margin-top: var(--space-4);
}
.data-list dt:first-child { margin-top: 0; }
.data-list dd {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: 2px;
}

@media (max-width: 880px) {
  .methodology-grid { grid-template-columns: 1fr; }
}

/* ===== About ===== */
.about {
  background: var(--color-surface-offset);
  padding-block: var(--space-20);
  border-block: 1px solid var(--color-divider);
}
.about-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: start;
}
.about h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}
.about p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  max-width: 60ch;
}
.about strong { color: var(--color-text); }
.contact a {
  font-size: var(--text-base);
  font-weight: 600;
}
.cite-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.cite-card h3 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}
.cite { font-family: var(--font-display); font-size: var(--text-base); margin-bottom: var(--space-4); line-height: 1.5; }

@media (max-width: 880px) {
  .about-inner { grid-template-columns: 1fr; }
}

/* ===== Footer ===== */
.site-footer {
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-divider);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  align-items: center;
}
.footer-inner p { font-size: var(--text-sm); color: var(--color-text-muted); }