/* SumpPick — mobile-first, system fonts, high contrast. No stock photos. */
:root {
  --bg: #0c1014;
  --surface: #161d24;
  --surface-2: #1e2730;
  --text: #f6f3ec;
  --muted: #c9c4b8;
  --faint: #8e8a80;
  --accent: #ffb020;
  --accent-ink: #1a1204;
  --danger: #ff5a45;
  --ok: #3dd68c;
  --info: #6ec8ff;
  --border: #3d4a57;
  --focus: #ffe08a;
  --max: 72rem;
  --radius: 0.5rem;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  font-size: 1.0625rem;
}
a { color: var(--accent); }
a:hover { color: #ffd56a; }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}
.skip {
  position: absolute;
  left: 0.5rem;
  top: -3rem;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 0.5rem 0.75rem;
  font-weight: 700;
  z-index: 20;
}
.skip:focus { top: 0.5rem; }
.wrap { width: min(100% - 1.5rem, var(--max)); margin-inline: auto; }
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 0;
}
.brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.02em;
  font-size: 1.25rem;
}
.brand span { color: var(--accent); }
.nav { display: flex; flex-wrap: wrap; gap: 0.75rem 1rem; }
.nav a { color: var(--text); text-decoration: none; font-size: 0.95rem; font-weight: 600; }
.nav a:hover { color: var(--accent); }
.hero { padding: 2rem 0 1.5rem; border-bottom: 1px solid var(--border); }
.kicker {
  display: inline-block;
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-ink);
  background: var(--danger);
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
}
.hero h1 {
  margin: 0.75rem 0;
  font-size: clamp(1.75rem, 6vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.lede { font-size: 1.125rem; color: var(--muted); max-width: 40rem; margin: 0 0 1.25rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.btn {
  display: inline-block;
  border: 2px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 800;
  text-decoration: none;
  padding: 0.7rem 1rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: inherit;
  font-size: 1rem;
}
.btn:hover { filter: brightness(1.08); color: var(--accent-ink); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { color: var(--accent); border-color: var(--accent); }
section { padding: 2.25rem 0; }
h2 { margin: 0 0 0.5rem; font-size: clamp(1.35rem, 4vw, 1.85rem); letter-spacing: -0.02em; }
.section-lead { color: var(--muted); max-width: 42rem; margin: 0 0 1.25rem; }
.picker { background: var(--surface); border: 1px solid var(--border); border-radius: 0.75rem; padding: 1rem; }
.q { margin-bottom: 1.25rem; }
.q legend { font-weight: 800; margin-bottom: 0.5rem; padding: 0; }
.q fieldset { border: 0; margin: 0; padding: 0; }
.choices { display: grid; gap: 0.5rem; }
.choices label {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.7rem 0.8rem;
  cursor: pointer;
  font-weight: 600;
}
.choices label:hover { border-color: var(--accent); }
.choices input { margin-top: 0.2rem; accent-color: var(--accent); }
.picker-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.picker-actions button { min-height: 2.75rem; }
.result {
  margin-top: 1.25rem;
  padding: 1rem;
  border-radius: var(--radius);
  border: 2px solid var(--ok);
  background: #10241c;
  display: none;
}
.result.is-open { display: block; }
.result h3 { margin: 0 0 0.5rem; }
.result .type-tag {
  display: inline-block;
  background: var(--ok);
  color: #062014;
  font-weight: 800;
  padding: 0.15rem 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}
.result.warn-box { border-color: var(--danger); background: #2a1210; }
.kit-list { display: grid; gap: 0.75rem; margin: 1rem 0 0; padding: 0; list-style: none; }
.kit-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 0.85rem; }
.kit-card strong { display: block; margin-bottom: 0.25rem; }
.why { color: var(--muted); margin: 0.5rem 0 0; }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; min-width: 36rem; font-size: 0.95rem; }
th, td { text-align: left; vertical-align: top; padding: 0.75rem 0.85rem; border-bottom: 1px solid var(--border); }
th { background: var(--surface); font-size: 0.8rem; letter-spacing: 0.04em; text-transform: uppercase; }
td { background: var(--surface-2); }
tr:last-child td { border-bottom: 0; }
.bad { color: var(--danger); font-weight: 700; }
.good { color: var(--ok); font-weight: 700; }
.callout {
  margin: 1rem 0 0;
  padding: 0.85rem 1rem;
  background: #2a1a08;
  border-left: 4px solid var(--accent);
  border-radius: 0 0.4rem 0.4rem 0;
}
.callout strong { color: var(--accent); }
.cards { display: grid; gap: 1rem; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.card h3 { margin: 0; font-size: 1.15rem; }
.meta { color: var(--faint); font-size: 0.85rem; font-family: var(--mono); }
.card ul { margin: 0.25rem 0 0.5rem; padding-left: 1.15rem; color: var(--muted); }
.card .links { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: auto; }
.chip {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.15rem 0.4rem;
  border-radius: 0.25rem;
  background: var(--surface-2);
  color: var(--muted);
  width: fit-content;
}
.chip-water { background: #12344a; color: var(--info); }
.chip-batt { background: #1e2a14; color: var(--ok); }
.verify { font-size: 0.8rem; color: var(--accent); font-weight: 700; }
.installers { display: grid; gap: 0.75rem; }
.installer {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
}
.installer h3 { margin: 0 0 0.2rem; font-size: 1.05rem; }
.installer p { margin: 0.15rem 0; color: var(--muted); }
.small { font-size: 0.9rem; color: var(--faint); }
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0 2.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}
.site-footer p { margin: 0.4rem 0; }
.site-footer strong { color: var(--text); }
@media (min-width: 40rem) {
  .choices { grid-template-columns: 1fr 1fr; }
  .choices.three { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr 1fr; }
  .installers { grid-template-columns: 1fr 1fr; }
  .picker { padding: 1.25rem 1.4rem; }
}
@media (min-width: 64rem) {
  .cards { grid-template-columns: 1fr 1fr 1fr 1fr; }
  .installers { grid-template-columns: 1fr 1fr 1fr; }
  .choices.three { grid-template-columns: 1fr 1fr 1fr; }
}

.skip-if { border: 2px solid var(--danger); padding: 0.65rem 0.8rem; margin: 0.75rem 0; background: #2a1210; }
.skip-if strong { color: var(--danger); }
caption { text-align: left; font-weight: 800; padding: 0.5rem 0.75rem; caption-side: top; background: var(--surface); color: var(--text); }

@media print {
  body { background: #fff; color: #000; font-size: 11pt; }
  .skip, .site-header, .hero-actions, .picker, .nav, .btn { display: none !important; }
  a { color: #000; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 8pt; word-break: break-all; }
  .table-wrap { overflow: visible; border: 2px solid #000; }
  table { min-width: 0; font-size: 9pt; }
  th, td { border: 1px solid #000; background: #fff; color: #000; }
  .card, .installer { break-inside: avoid; border: 1px solid #000; background: #fff; color: #000; }
}