/*
 * FitXref shared site stylesheet.
 * Design language carried over from the original pool-pump-motor pre-check tool:
 * warm paper background, deep green + burnt-orange accent, Georgia serif display type.
 * Zero external fonts, zero dependencies.
 *
 * Every wing (pool-pump/, well-pump/, solar/) should load this file first
 * (`<link rel="stylesheet" href="/assets/site.css" />`) and layer a small
 * wing-specific stylesheet on top for tool-only components.
 */

:root {
  --color-bg: #f5f2e9;
  --color-text: #10211f;
  --color-text-muted: #41605a;
  --color-text-soft: #5d6862; /* ≥4.5:1 against --color-bg #f5f2e9 (measured 5.18:1, WCAG AA) */
  --color-accent: #b74b25;
  --color-accent-soft: #f3d6cb;
  --color-green-dark: #173f38;
  --color-green-deep: #0d2c27;
  --color-green-mid: #3d6f63;
  --color-border: #d7d0c2;
  --color-border-soft: #c8c1b3;
  --color-input-border: #aebbb3;
  --color-card-bg: #fffdf7;
  --color-notice-bg: #dce6d2;
  --color-match-bg: #e2efe6;
  --color-match-border: #6c9c77;
  --color-caution-bg: #fff0cf;
  --color-caution-border: #d59f2c;
  --color-stop-bg: #f8dddd;
  --color-stop-border: #c05a57;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
  --content-width: 1080px;

  color: var(--color-text);
  background: var(--color-bg);
  font-family: var(--font-sans);
}

* { box-sizing: border-box; }

body { margin: 0; }

.page-shell { width: min(var(--content-width), calc(100% - 40px)); margin: 0 auto; padding: 72px 0 56px; }

.hero { max-width: 720px; }

/* Two-column hero: text left, decorative visual card right. Used by the three
   hub pages (home, well-pump, pool-pump) — content pages keep the plain
   single-column .hero. Stacks under 980px so the visual never pushes the
   answer paragraph below the fold. */
.hero-split { align-items: start; display: grid; gap: 44px; grid-template-columns: minmax(0, 1fr) minmax(260px, 380px); margin-bottom: 8px; }
.hero-split .hero { max-width: none; }
.hero-split .hero h1 { font-size: clamp(2.3rem, 4.6vw, 3.2rem); }
.hero-visual { padding-top: 6px; }

.eyebrow, .result-kicker { color: var(--color-accent); font-size: .75rem; font-weight: 800; letter-spacing: .14em; margin: 0 0 12px; text-transform: uppercase; }

h1, h2, h3, p { margin-top: 0; }

h1, h2 { font-family: var(--font-serif); letter-spacing: -.045em; }

h1 { font-size: clamp(1.9rem, 4.2vw, 2.5rem); line-height: 1.04; margin-bottom: 20px; }

h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); line-height: 1; margin-bottom: 12px; }

.hero-copy { color: var(--color-text-muted); font-size: 1.15rem; line-height: 1.65; max-width: 610px; }

.notice { background: var(--color-notice-bg); border-left: 5px solid var(--color-green-mid); line-height: 1.55; margin: 46px 0 28px; padding: 18px 20px; }

.crumb { color: var(--color-text-soft); font-size: .85rem; font-weight: 700; margin-bottom: 22px; }
.crumb a { color: var(--color-green-dark); text-decoration: none; }
.crumb a:hover { color: var(--color-accent); }

.back-link { color: var(--color-green-dark); display: inline-block; font-weight: 800; margin-bottom: 42px; text-decoration: none; }
.back-link:hover { color: var(--color-accent); }

a { color: var(--color-green-dark); }
a:hover { color: var(--color-accent); }

button { background: var(--color-green-dark); border: 0; border-radius: 7px; color: #fff; cursor: pointer; font: inherit; font-weight: 800; padding: 14px 20px; }
button:hover { background: var(--color-green-deep); }

.text-button { background: transparent; color: var(--color-green-dark); padding-left: 0; text-decoration: underline; }
.text-button:hover { background: transparent; color: var(--color-accent); }

footer { border-top: 1px solid var(--color-border-soft); color: var(--color-text-soft); font-size: .82rem; padding: 22px max(20px, calc((100% - var(--content-width)) / 2)); }
footer a { color: var(--color-text-soft); }
footer a:hover { color: var(--color-accent); }

/* Trust stat bar (home hero, below hero-split) */
.stat-bar { border-bottom: 1px solid var(--color-border-soft); border-top: 1px solid var(--color-border-soft); display: grid; gap: 20px 28px; grid-template-columns: repeat(4, 1fr); margin: 0 0 52px; padding: 26px 0; }
.stat-bar .stat-figure { color: var(--color-green-dark); display: block; font-family: var(--font-serif); font-size: clamp(1.5rem, 2.6vw, 2rem); line-height: 1; }
.stat-bar .stat-label { color: var(--color-text-soft); display: block; font-size: .78rem; line-height: 1.4; margin-top: 6px; }

/* Home hero visual: two nameplate-style cards with match/verify status dots */
.plate-compare-cards { display: grid; gap: 12px; grid-template-columns: 1fr 1fr; }
.plate-card { background: linear-gradient(160deg, #ece7d8, #dad4c3); border: 1px solid var(--color-border-soft); border-radius: 10px; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .55); padding: 16px 14px; }
.plate-card-label { color: var(--color-text-soft); font-size: .64rem; font-weight: 800; letter-spacing: .1em; margin: 0 0 10px; text-transform: uppercase; }
.plate-rows { list-style: none; margin: 0; padding: 0; }
.plate-rows li { align-items: center; border-top: 1px solid rgba(16, 33, 31, .1); display: flex; font-size: .82rem; gap: 8px; padding: 7px 0; }
.plate-rows li:first-child { border-top: 0; }
.plate-field { color: var(--color-text-soft); flex: 0 0 auto; font-weight: 700; width: 3.2em; }
.plate-value { color: var(--color-text); flex: 1; font-family: var(--font-serif); }
.plate-dot { border-radius: 50%; flex-shrink: 0; height: 8px; width: 8px; }
.plate-dot.is-match { background: var(--color-match-border); }
.plate-dot.is-verify { background: var(--color-caution-border); }
.plate-compare-caption { color: var(--color-text-soft); font-size: .78rem; margin: 14px 2px 0; }

/* Long-form legal / info pages (about, privacy, affiliate-disclosure, 404) */
.prose-page { max-width: 68ch; }
.prose-page h2 { font-size: 1.55rem; margin: 40px 0 10px; }
.prose-page p, .prose-page li { color: var(--color-text-muted); line-height: 1.65; }
.prose-page ul { padding-left: 22px; }
.prose-page .updated { color: var(--color-text-soft); font-size: .82rem; margin-bottom: 8px; }

/* Home: wing navigation cards */
.wing-grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); margin: 40px 0 56px; }
.wing-card { background: var(--color-card-bg); border: 1px solid var(--color-border); border-top-width: 3px; border-radius: 12px; color: var(--color-text); display: block; padding: 28px; text-decoration: none; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.wing-card:hover { border-color: var(--color-accent); box-shadow: 0 16px 30px -20px rgba(16, 33, 31, .45); transform: translateY(-2px); }
.wing-card--pool { border-top-color: var(--color-green-mid); }
.wing-card--well { border-top-color: var(--color-green-dark); }
.wing-card--solar { border-top-color: var(--color-border-soft); }
.wing-card:hover.wing-card--pool, .wing-card:hover.wing-card--well { border-color: var(--color-border); border-top-color: var(--color-accent); }
.wing-card h2 { font-size: 1.55rem; }
.wing-card p { color: var(--color-text-muted); line-height: 1.55; }
.wing-card .eyebrow { margin-bottom: 8px; }
.wing-tag { background: var(--color-green-dark); border-radius: 5px; color: #fff; display: inline-block; font-size: .72rem; font-weight: 800; letter-spacing: .08em; margin-top: 14px; padding: 4px 9px; text-transform: uppercase; }
.wing-open { color: var(--color-green-dark); display: inline-block; font-weight: 800; margin-top: 16px; transition: transform .18s ease, color .18s ease; }
.wing-card:hover .wing-open { color: var(--color-accent); transform: translateX(3px); }
.wing-card.coming-soon { border-style: dashed; cursor: default; opacity: .62; }
.wing-card.coming-soon:hover { border-color: var(--color-border); border-top-color: var(--color-border-soft); box-shadow: none; transform: none; }
.wing-card.coming-soon .wing-tag { background: var(--color-border-soft); color: var(--color-text-soft); }

.scope-note { border-top: 1px solid var(--color-border-soft); display: grid; gap: 28px; grid-template-columns: repeat(2, minmax(0, 1fr)); padding-top: 40px; }
.scope-note h3 { color: var(--color-green-dark); font-family: var(--font-serif); font-size: 1.3rem; margin-bottom: 10px; }
.scope-note p, .scope-note li { color: var(--color-text-muted); line-height: 1.6; }
.scope-note ul { margin: 0; padding-left: 20px; }

/* Horizontal-scroll region for wide tables/grids on narrow screens. Wings
   layer their own spacing/min-width on top (see pool-pump/styles.css and
   well-pump/wing.css) — this shared base just handles the scroll behavior
   and keyboard-focus ring, since role="region" tabindex="0" makes the
   container itself focusable. */
.table-scroll { overflow-x: auto; }
.table-scroll:focus-visible { border-radius: 4px; outline: 3px solid var(--color-accent); outline-offset: 2px; }

/* Accessibility: visible keyboard focus ring, site-wide */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
  border-radius: 4px;
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
}

@media (max-width: 980px) {
  .hero-split { grid-template-columns: 1fr; }
  .hero-visual { max-width: 420px; padding-top: 0; }
}

@media (max-width: 700px) {
  .page-shell { padding-top: 42px; }
  .scope-note { grid-template-columns: 1fr; }
  .stat-bar { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .plate-compare-cards { grid-template-columns: 1fr; }
}