/* Retarate — shared styles for the single production design (Modern Review Platform). */

:root {
  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;

  /* Layout */
  --content-max: 1160px;
  --reading-max: 720px;
  --radius: 12px;
  --border-w: 1px;

  /* Theme tokens */
  --color-bg: #ffffff;
  --color-surface: #f7f7f8;
  --color-text: #1a1a1a;
  --color-text-muted: #63666b;
  --color-border: #e1e1e3;
  --color-accent: #0a63c9;
  --color-accent-contrast: #ffffff;
  --color-link: #0a63c9;
  --color-positive: #2d7e3d;
  --color-caution: #a5680c;
  --color-negative: #d32f2f;
  --font-heading: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-body: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", "Consolas", "Liberation Mono", monospace;
  --shadow-card: 0 6px 18px rgba(20, 22, 45, 0.07);
  --card-border-style: solid;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.55;
  font-size: 16px;
}

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

a { color: var(--color-link); text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-accent);
  color: var(--color-accent-contrast);
  padding: var(--space-2) var(--space-4);
  z-index: 1000;
}
.skip-link:focus { left: var(--space-2); top: var(--space-2); border-radius: var(--radius); }

h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 800; letter-spacing: -0.01em; line-height: 1.2; margin: 0 0 var(--space-3); }
h1 { font-size: clamp(1.7rem, 4vw, 2.4rem); }
h2 { font-size: clamp(1.35rem, 3vw, 1.75rem); margin-top: var(--space-7); }
h3 { font-size: 1.15rem; margin-top: var(--space-5); }
p { margin: 0 0 var(--space-4); }
ul, ol { margin: 0 0 var(--space-4); padding-left: 1.25em; }

.container { max-width: var(--content-max); margin: 0 auto; padding: 0 var(--space-4); }
.prose { max-width: var(--reading-max); }
.section { padding: var(--space-7) 0; }
.section--tight { padding: var(--space-5) 0; }
.section-border-top { border-top: var(--border-w) solid var(--color-border); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* Header */
.site-header {
  border-bottom: var(--border-w) solid var(--color-border);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) 0;
}
.site-header__brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}
.site-header__brand-mark { color: var(--color-accent); }
.site-header__tagline {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--color-text-muted);
  display: none;
}
@media (min-width: 640px) { .site-header__tagline { display: inline; } }

.site-nav__list {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-5);
}
.site-nav__list a { color: var(--color-text); text-decoration: none; font-size: 0.95rem; }
.site-nav__list a:hover { color: var(--color-accent); }
@media (min-width: 900px) {
  .site-nav__list { display: flex; }
  .nav-toggle { display: none; }
}

.nav-toggle {
  background: none;
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-2) var(--space-3);
  font-size: 0.9rem;
  cursor: pointer;
}
.site-nav--open .site-nav__list {
  display: flex;
  flex-direction: column;
  position: absolute;
  left: 0; right: 0; top: 100%;
  background: var(--color-bg);
  border-bottom: var(--border-w) solid var(--color-border);
  padding: var(--space-4);
  gap: var(--space-4);
}

/* Status / disclosure banners */
.banner {
  border: var(--border-w) solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: var(--space-4) var(--space-5);
  margin: var(--space-5) 0;
}
.banner p:last-child { margin-bottom: 0; }
.banner__title { font-weight: 700; margin: 0 0 var(--space-2); font-family: var(--font-body); }

/* Editor's pick */
.editors-pick {
  border: 2px solid var(--color-accent);
  border-radius: var(--radius);
  padding: var(--space-5);
  background: var(--color-surface);
  margin: var(--space-6) 0;
  position: relative;
}
.editors-pick__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}
.editors-pick__name { font-family: var(--font-heading); font-size: 1.6rem; margin: 0 0 var(--space-3); }
.editors-pick__disclosure {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  border-top: var(--border-w) dashed var(--color-border);
  padding-top: var(--space-3);
  margin-top: var(--space-4);
}
.editors-pick__reasons { display: grid; gap: var(--space-2); margin: var(--space-4) 0; padding: 0; list-style: none; }
.editors-pick__reasons li { padding-left: 1.6em; position: relative; }
.editors-pick__reasons li::before {
  content: "";
  position: absolute; left: 0; top: 0.45em;
  width: 8px; height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
}

/* Vendor ranking cards */
.vendor-list { display: grid; gap: var(--space-5); margin: var(--space-5) 0; list-style: none; padding: 0; }
.vendor-card {
  border: var(--border-w) var(--card-border-style) var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
}
.vendor-card--pick { border-color: var(--color-accent); border-width: 2px; box-shadow: 0 10px 28px rgba(10, 99, 201, 0.16); }
.vendor-card__top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.vendor-card__identity { display: flex; align-items: baseline; gap: var(--space-3); flex-wrap: wrap; }
.vendor-card__rank {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}
.vendor-card__name { font-family: var(--font-heading); font-size: 1.25rem; margin: 0; }
.vendor-card__name a { color: var(--color-text); text-decoration: none; }
.vendor-card__domain { font-family: var(--font-mono); font-size: 0.82rem; color: var(--color-text-muted); }
.vendor-card__score {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 76px; width: 76px; height: 76px;
  border-radius: 999px;
  padding: var(--space-2) var(--space-3);
  background: linear-gradient(180deg, var(--color-accent), color-mix(in srgb, var(--color-accent) 75%, black));
  box-shadow: 0 4px 10px rgba(10, 99, 201, 0.25);
}
.vendor-card__score-num { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; line-height: 1; color: #fff; }
.vendor-card__score-max { font-size: 0.7rem; color: rgba(255,255,255,0.75); }
.vendor-card__summary {
  display: inline-block;
  margin: var(--space-3) 0;
  background: var(--color-surface);
  border: var(--border-w) solid var(--color-border);
  border-radius: 999px;
  padding: 5px 16px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text);
}
.vendor-card__grid { display: grid; gap: var(--space-4); grid-template-columns: 1fr; margin: var(--space-3) 0; }
@media (min-width: 640px) { .vendor-card__grid { grid-template-columns: 1fr 1fr; } }
.vendor-card__grid h4 { margin: 0 0 var(--space-2); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-text-muted); font-family: var(--font-body); }
.vendor-card__grid ul { margin: 0; padding-left: 1.1em; font-size: 0.92rem; }
.pc-list { list-style: none !important; padding: 0 !important; margin: 0; }
.pc-list li { position: relative; padding-left: 1.3em; margin-bottom: 5px; }
.pc-list li::before { content: ""; position: absolute; left: 0; top: 0.5em; width: 8px; height: 8px; border-radius: 50%; background: var(--color-text-muted); }
.pc-list li.pro::before { background: var(--color-positive); }
.pc-list li.con::before { background: var(--color-negative); }
.vendor-card__meta {
  display: flex; flex-wrap: wrap; gap: var(--space-3);
  font-size: 0.82rem; color: var(--color-text-muted);
  border-top: var(--border-w) solid var(--color-border);
  padding-top: var(--space-3); margin-top: var(--space-3);
  align-items: center; justify-content: space-between;
}
.vendor-card__link {
  background: var(--color-accent);
  color: #fff;
  padding: 8px 16px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.85rem;
  white-space: nowrap;
}

/* Evidence badges */
.evidence {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 999px;
  border: var(--border-w) solid transparent;
  position: relative;
  cursor: default;
}
.evidence--verified { background: color-mix(in srgb, var(--color-positive) 14%, white); color: var(--color-positive); border-color: color-mix(in srgb, var(--color-positive) 35%, white); }
.evidence--partial { background: color-mix(in srgb, var(--color-caution) 14%, white); color: var(--color-caution); border-color: color-mix(in srgb, var(--color-caution) 35%, white); }
.evidence--claim { background: var(--color-surface); color: var(--color-text-muted); border-color: var(--color-border); }
.evidence--unverified, .evidence--undisclosed { background: color-mix(in srgb, var(--color-negative) 10%, white); color: var(--color-negative); border-color: color-mix(in srgb, var(--color-negative) 30%, white); }
.evidence__dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; flex: none; }
.evidence-btn { background: none; border: none; padding: 0; margin-left: 2px; cursor: pointer; color: inherit; font: inherit; text-decoration: underline dotted; }
.evidence-tip {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-text);
  color: #fff;
  font-weight: 400;
  font-size: 0.78rem;
  padding: var(--space-2) var(--space-3);
  border-radius: 6px;
  width: max-content;
  max-width: min(260px, calc(100vw - 32px));
  z-index: 20;
  box-shadow: 0 4px 12px rgba(0,0,0,0.18);
}
.evidence-tip[hidden] { display: none; }

/* Score breakdown table */
.score-table { width: 100%; border-collapse: collapse; margin: var(--space-4) 0; font-size: 0.92rem; }
.score-table caption { text-align: left; font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: var(--space-2); }
.score-table th, .score-table td { text-align: left; padding: var(--space-2) var(--space-3); border-bottom: var(--border-w) solid var(--color-border); vertical-align: top; }
.score-table th { font-family: var(--font-body); font-weight: 700; }
.score-table td.num, .score-table th.num { text-align: right; font-family: var(--font-mono); white-space: nowrap; }
.score-table tfoot td { font-weight: 700; border-bottom: none; border-top: 2px solid var(--color-text); }
.score-bar-wrap { display: flex; align-items: center; gap: var(--space-3); }
.score-bar { flex: 1; height: 8px; border-radius: 4px; background: var(--color-border); overflow: hidden; min-width: 60px; }
.score-bar span { display: block; height: 100%; background: var(--color-accent); }

/* Comparison table (desktop) / stacked cards (mobile) */
.compare-scroll { overflow-x: auto; margin: var(--space-5) 0; }
.compare-table { width: 100%; border-collapse: collapse; min-width: 640px; font-size: 0.9rem; }
.compare-table th, .compare-table td { padding: var(--space-3); border-bottom: var(--border-w) solid var(--color-border); text-align: left; white-space: nowrap; }
.compare-table th:first-child, .compare-table td:first-child { position: sticky; left: 0; background: var(--color-bg); white-space: normal; min-width: 160px; }
.compare-table tbody tr:hover { background: var(--color-surface); }
.compare-note { font-size: 0.8rem; color: var(--color-text-muted); }

/* Pros / limitations lists */
.pros-limits { display: grid; gap: var(--space-4); grid-template-columns: 1fr; }
@media (min-width: 640px) { .pros-limits { grid-template-columns: 1fr 1fr; } }
.pros-limits__box { border: var(--border-w) solid var(--color-border); border-radius: var(--radius); padding: var(--space-4); }
.pros-limits__box--pros { border-left: 4px solid var(--color-positive); }
.pros-limits__box--limits { border-left: 4px solid var(--color-caution); }
.pros-limits__box h3 { margin-top: 0; }

/* Breadcrumb */
.breadcrumb { list-style: none; display: flex; flex-wrap: wrap; gap: var(--space-2); padding: 0; margin: var(--space-4) 0; font-size: 0.85rem; color: var(--color-text-muted); }
.breadcrumb li::after { content: "\2039"; margin-left: var(--space-2); transform: scaleX(-1); display: inline-block; }
.breadcrumb li:last-child::after { content: ""; }
.breadcrumb a { color: var(--color-text-muted); }

/* Fact list (Why LEOLABS?) */
.fact-list { display: grid; gap: var(--space-3); list-style: none; padding: 0; grid-template-columns: 1fr; }
@media (min-width: 640px) { .fact-list { grid-template-columns: 1fr 1fr; } }
.fact-list li { border: var(--border-w) solid var(--color-border); border-radius: var(--radius); padding: var(--space-3) var(--space-4); background: var(--color-surface); font-size: 0.92rem; }

/* Sources / footnotes */
.source-ref { font-size: 0.78em; vertical-align: super; text-decoration: none; }
.source-list { list-style: none; padding: 0; display: grid; gap: var(--space-3); }
.source-list li { border-bottom: var(--border-w) solid var(--color-border); padding-bottom: var(--space-3); font-size: 0.92rem; }
.source-list .src-id { font-family: var(--font-mono); color: var(--color-text-muted); margin-right: var(--space-2); }
.rel-tag { font-size: 0.72rem; color: var(--color-text-muted); font-family: var(--font-mono); }

/* Forms */
.form-field { margin-bottom: var(--space-4); }
.form-field label { display: block; font-weight: 600; margin-bottom: var(--space-2); font-size: 0.92rem; }
.form-field input, .form-field textarea {
  width: 100%;
  padding: var(--space-3);
  border: var(--border-w) solid var(--color-border);
  border-radius: var(--radius);
  font: inherit;
  background: var(--color-bg);
  color: var(--color-text);
}
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  background: var(--color-accent); color: var(--color-accent-contrast);
  border: none; border-radius: 999px;
  padding: var(--space-3) var(--space-5);
  font: inherit; font-weight: 700; cursor: pointer; text-decoration: none;
}
.btn--secondary { background: none; color: var(--color-accent); border: var(--border-w) solid var(--color-accent); }

/* Footer */
.site-footer { border-top: var(--border-w) solid var(--color-border); background: var(--color-surface); margin-top: var(--space-8); }
.site-footer__grid { display: grid; gap: var(--space-6); grid-template-columns: 1fr; padding: var(--space-7) 0 var(--space-5); }
@media (min-width: 640px) { .site-footer__grid { grid-template-columns: repeat(3, 1fr); } }
.site-footer__grid h2 { font-family: var(--font-body); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-muted); margin-top: 0; }
.site-footer__grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-2); }
.site-footer__grid a { color: var(--color-text); text-decoration: none; font-size: 0.92rem; }
.site-footer__bottom { border-top: var(--border-w) solid var(--color-border); padding: var(--space-4) 0; font-size: 0.8rem; color: var(--color-text-muted); display: flex; flex-wrap: wrap; gap: var(--space-3); justify-content: space-between; }
.site-footer__disclaimer { font-size: 0.8rem; color: var(--color-text-muted); max-width: var(--reading-max); }

@media print { .site-header, .nav-toggle, .btn { display: none; } }