/* LeanBiome Reviews — design system v2: light, minimal, grounded in real product colors */

:root {
  --bg: #ffffff;
  --bg-warm: #fff6ed;      /* real background color from product photography */
  --ink: #2a211c;          /* warm near-black, from bottle */
  --ink-soft: #6f6259;
  --coral: #c16b4d;        /* real label color (deeper tone) */
  --coral-light: #eeb5a2;  /* real label color (lighter tone) */
  --coral-tint: #fbeae3;
  --slate: #3f4f57;        /* muted secondary accent for evidence tags */
  --slate-tint: #eaeff0;
  --brick: #9a3324;
  --brick-tint: #f7e6e2;
  --gold-tint: #faf0df;
  --border: rgba(42, 33, 28, 0.12);
  --font-serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-sans: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --maxw: 680px;
  --maxw-wide: 960px;
}

* { box-sizing: border-box; }
html { scroll-padding-top: env(safe-area-inset-top, 0px); }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

h1, h2, h3 { font-family: var(--font-serif); line-height: 1.25; font-weight: 600; margin: 1.4em 0 0.5em; color: var(--ink); }
h1 { font-size: 2.1rem; margin-top: 0; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1.1em; }
a { color: var(--coral); text-decoration-thickness: 1px; }
a:hover { color: #a3573c; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--coral); outline-offset: 2px; }

img { max-width: 100%; height: auto; display: block; }

.skip-link { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: 0.6em 1em; z-index: 100; }
.skip-link:focus { left: 1em; top: 1em; }

/* Header — light, minimal, not a heavy dark block */
.site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
  padding-top: env(safe-area-inset-top, 0px);
}
.header-inner {
  max-width: var(--maxw-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9em 1.2em;
  gap: 1em;
}
.brand { color: var(--ink); text-decoration: none; font-family: var(--font-serif); font-size: 1.2rem; font-weight: 600; }
.brand span { color: var(--coral); }
nav.primary-nav { display: none; }
nav.primary-nav ul { list-style: none; display: flex; gap: 1.5em; margin: 0; padding: 0; flex-wrap: wrap; }
nav.primary-nav a { color: var(--ink-soft); text-decoration: none; font-size: 0.92rem; }
nav.primary-nav a:hover { color: var(--coral); }
.nav-toggle { background: var(--bg); border: 1px solid var(--border); color: var(--ink); padding: 0.4em 0.7em; border-radius: 4px; font-size: 0.9rem; }
@media (min-width: 800px) {
  nav.primary-nav { display: block; }
  .nav-toggle { display: none; }
}
nav.mobile-nav { max-width: var(--maxw-wide); margin: 0 auto; padding: 0 1.2em 1em; border-bottom: 1px solid var(--border); }
nav.mobile-nav[hidden] { display: none; }
nav.mobile-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.6em; }
nav.mobile-nav a { color: var(--ink); text-decoration: none; }

.breadcrumbs { max-width: var(--maxw-wide); margin: 1em auto 0; padding: 0 1.2em; font-size: 0.85rem; color: var(--ink-soft); overflow-x: auto; }
.breadcrumbs ol { list-style: none; display: flex; gap: 0.4em; margin: 0; padding: 0; white-space: nowrap; }
.breadcrumbs a { color: var(--ink-soft); }

main { max-width: var(--maxw); margin: 0 auto; padding: 1.6em 1.2em 3em; }
main.wide { max-width: var(--maxw-wide); }

/* Hero product image */
.hero-figure { margin: 0 0 1.6em; text-align: center; }
.hero-figure img { margin: 0 auto; border-radius: 6px; max-height: 340px; width: auto; }
.hero-figure figcaption { font-size: 0.8rem; color: var(--ink-soft); margin-top: 0.5em; }

/* Verdict panel — light coral tint, not a heavy dark block */
.verdict {
  background: var(--coral-tint);
  border: 1px solid var(--coral-light);
  border-radius: 6px;
  padding: 1.3em 1.4em;
  margin: 1.4em 0 1.8em;
}
.verdict h2 { margin-top: 0; color: var(--coral); font-size: 1.05rem; }
.verdict p:last-child { margin-bottom: 0; }

.callout { border-left: 4px solid var(--slate); background: var(--slate-tint); padding: 0.9em 1.1em; border-radius: 0 4px 4px 0; margin: 1.2em 0; }
.callout.caution { border-left-color: var(--brick); background: var(--brick-tint); }
.callout.gold { border-left-color: var(--coral); background: var(--gold-tint); }

/* Evidence tier tags — the site's signature device */
.tag { display: inline-block; font-size: 0.78rem; font-weight: 600; padding: 0.2em 0.65em; border-radius: 3px; letter-spacing: 0.01em; margin: 0 0 0.6em; }
.tag.tier-strong { background: var(--slate-tint); color: var(--slate); }
.tag.tier-moderate { background: var(--gold-tint); color: #8a641f; }
.tag.tier-weak { background: var(--brick-tint); color: var(--brick); }
.tag.tier-none { background: rgba(42,33,28,0.07); color: var(--ink); }

.evidence-block { border: 1px solid var(--border); border-radius: 6px; padding: 1em 1.2em; margin: 1em 0 1.4em; background: #fffdfb; }
.evidence-block h3 { margin-top: 0; }

.evidence-chart { margin: 1.4em 0; }
.evidence-chart .row { display: flex; align-items: center; gap: 0.8em; margin-bottom: 0.6em; font-size: 0.88rem; }
.evidence-chart .label { width: 190px; flex-shrink: 0; }
.evidence-chart .bar-track { flex: 1; background: var(--slate-tint); border-radius: 3px; height: 14px; overflow: hidden; }
.evidence-chart .bar-fill { height: 100%; border-radius: 3px; }

table { width: 100%; border-collapse: collapse; margin: 1.2em 0; font-size: 0.95rem; }
th, td { text-align: left; padding: 0.6em 0.7em; border-bottom: 1px solid var(--border); }
th { font-family: var(--font-serif); font-weight: 600; }

.cta {
  display: inline-block;
  background: var(--coral);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 0.75em 1.4em;
  border-radius: 5px;
  margin: 0.4em 0.6em 0.4em 0;
}
.cta:hover { background: #a3573c; color: #fff; }
.cta-row { margin: 1.6em 0; }
.disclosure-note { font-size: 0.82rem; color: var(--ink-soft); margin-top: 0.4em; }

details { border-bottom: 1px solid var(--border); padding: 0.8em 0; }
summary { font-family: var(--font-serif); font-weight: 600; cursor: pointer; }

.trust-meta { font-size: 0.85rem; color: var(--ink-soft); margin-bottom: 1.6em; }
.trust-meta a { color: var(--ink-soft); }

.product-grid { display: flex; gap: 1.4em; flex-wrap: wrap; align-items: center; margin: 1.4em 0; }
.product-grid img { max-width: 220px; }

/* Footer — light cream band, not a heavy dark block */
.site-footer { background: var(--bg-warm); border-top: 1px solid var(--border); margin-top: 3em; padding: 2em 1.2em calc(2em + env(safe-area-inset-bottom, 0px)); }
.footer-inner { max-width: var(--maxw-wide); margin: 0 auto; }
.footer-inner nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: 1em 1.6em; padding: 0; margin: 0 0 1.4em; }
.footer-inner a { color: var(--ink); font-size: 0.9rem; }
.footer-fine { font-size: 0.78rem; color: var(--ink-soft); line-height: 1.6; }

@media (prefers-reduced-motion: no-preference) {
  .verdict { animation: reveal 0.5s ease-out; }
  @keyframes reveal { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
}

.scroll-x { overflow-x: auto; }