/* Switchboard marketing + policy site. Brand-matched to the Flutter app's
   sage / warm sand / warm dark palette. */
* { box-sizing: border-box; }

:root {
  --bg: #FAF7F1;
  --surface: #FFFFFF;
  --text: #1A1A18;
  --text-dim: #56554F;
  --primary: #2E7D5A;
  --primary-soft: rgba(46, 125, 90, 0.10);
  --secondary: #D4A574;
  --border: rgba(0, 0, 0, 0.06);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1A1A18;
    --surface: #232220;
    --text: #EAE6DC;
    --text-dim: #98948B;
    --primary: #4FA37C;
    --primary-soft: rgba(79, 163, 124, 0.12);
    --secondary: #D4A574;
    --border: rgba(255, 255, 255, 0.06);
  }
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
}

header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 18px 24px;
  position: sticky;
  top: 0;
  z-index: 10;
}

header .container {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.3px;
}

header .brand .dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--primary);
}

header nav a {
  color: var(--text-dim);
  text-decoration: none;
  margin-left: 22px;
  font-size: 14px;
  font-weight: 500;
  transition: color 120ms ease;
}

header nav a:hover { color: var(--text); }

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

main.wide { max-width: 960px; }

h1 {
  font-size: 36px;
  line-height: 1.15;
  letter-spacing: -0.5px;
  margin: 24px 0 14px;
  font-weight: 700;
}

h2 {
  font-size: 22px;
  margin: 36px 0 12px;
  font-weight: 600;
  letter-spacing: -0.2px;
}

h3 {
  font-size: 17px;
  margin: 24px 0 8px;
  font-weight: 600;
}

p { margin: 0 0 14px; }

a { color: var(--primary); }

.lead {
  font-size: 18px;
  color: var(--text-dim);
  margin-bottom: 28px;
}

.hero {
  padding: 48px 0 28px;
  text-align: center;
}

.hero h1 { font-size: 44px; max-width: 640px; margin: 0 auto 16px; }
.hero .lead { max-width: 560px; margin: 0 auto 28px; }

.boards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 28px 0 36px;
}

@media (min-width: 720px) {
  .boards { grid-template-columns: 1fr 1fr 1fr; }
}

.board {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
}

.board h3 { margin-top: 0; color: var(--primary); }

.cta-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 24px;
}

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  transition: transform 120ms ease, opacity 120ms ease;
}

.btn:hover { transform: translateY(-1px); opacity: 0.92; }

.btn.primary {
  background: var(--primary);
  color: white;
}

.btn.secondary {
  background: var(--primary-soft);
  color: var(--primary);
}

.section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  margin: 24px 0;
}

.dl {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px 16px;
}

@media (min-width: 600px) {
  .dl { grid-template-columns: 180px 1fr; }
}

.dl dt { color: var(--text-dim); font-weight: 500; }
.dl dd { margin: 0; }

footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 28px 24px;
  margin-top: 40px;
  text-align: center;
  font-size: 13px;
  color: var(--text-dim);
}

footer .container {
  max-width: 960px;
  margin: 0 auto;
}

footer nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 14px;
}

footer nav a {
  color: var(--text-dim);
  text-decoration: none;
}

footer nav a:hover { color: var(--text); text-decoration: underline; }

ul.clean {
  padding-left: 22px;
  margin: 8px 0 16px;
}
ul.clean li { margin: 4px 0; }

.note {
  background: var(--primary-soft);
  border-left: 3px solid var(--primary);
  padding: 14px 18px;
  border-radius: 0 12px 12px 0;
  margin: 18px 0;
  font-size: 14px;
}

.store-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 20px 0;
}

@media (min-width: 600px) {
  .store-row { grid-template-columns: 1fr 1fr; }
}

.store-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.store-card .qr {
  width: 180px;
  height: 180px;
  border-radius: 10px;
  background: #FFFFFF;
  padding: 6px;
}

.store-card .store-label {
  margin: 0;
  font-weight: 600;
  font-size: 14px;
  color: var(--text-dim);
  letter-spacing: 0.3px;
}