/* ==========================================================================
   Chip Foundations — base design system
   Style direction: Soft Brutalism (thick borders, hard offset shadows,
   muted-pastel palette). Tokens + elements live here; layout utility
   classes (.stack, .cluster, .card, .badge, .grid) live in utilities.css
   and are composed in the markup.
   ========================================================================== */

:root {
  /* palette: soft sand + deep brown + sage */
  --sand: #f4eedf;
  --sand-deep: #ece1c8;
  --sand-line: #ddd0ac;
  --ink: #2f2013;
  --ink-soft: #5b4636;
  --sage: #889b76;
  --sage-dark: #4a6640;
  --sage-tint: #e3e9d7;
  --surface: #fffdf6;
  --white: #ffffff;
  --danger: #9c3d2e;

  --border-w: 3px;
  --border-w-thin: 2px;
  --shadow-off: 6px;
  --shadow: var(--shadow-off) var(--shadow-off) 0 0 var(--ink);
  --shadow-sm: 4px 4px 0 0 var(--ink);

  --radius: 0; /* soft brutalism: sharp, no rounding on structural elements */
  --radius-pill: 999px;

  --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;
  --space-9: 6rem;

  --container: 1180px;
  --container-narrow: 760px;

  --font-head: "Roboto Slab", "Bitter", Georgia, "Times New Roman", serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;

  --fs-h1: clamp(2.1rem, 4.6vw, 3.4rem);
  --fs-h2: clamp(1.6rem, 3vw, 2.2rem);
  --fs-h3: clamp(1.2rem, 2vw, 1.5rem);
  --fs-lead: clamp(1.05rem, 1.6vw, 1.25rem);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}
body {
  margin: 0;
  background: var(--sand);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.15; margin: 0 0 var(--space-4); color: var(--ink); }
h1 { font-size: var(--fs-h1); font-weight: 700; }
h2 { font-size: var(--fs-h2); font-weight: 700; }
h3 { font-size: var(--fs-h3); font-weight: 700; }
p { margin: 0 0 var(--space-4); max-width: 68ch; }
p.lead { font-size: var(--fs-lead); color: var(--ink-soft); }
ul, ol { padding-left: 1.2em; margin: 0 0 var(--space-4); }
li { margin-bottom: var(--space-2); }
small { color: var(--ink-soft); }
strong { color: var(--ink); }

/* links — underline only on hover */
a { color: var(--sage-dark); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--ink); outline-offset: 2px;
}

/* ---------- background: sparse geometric shapes anchored to corners ---------- */
body::before, body::after {
  content: "";
  position: fixed;
  width: 220px; height: 220px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
}
body::before {
  top: -70px; left: -70px;
  background: radial-gradient(circle at 30% 30%, var(--sage-tint) 0 60%, transparent 62%);
}
body::after {
  bottom: -90px; right: -90px;
  background: radial-gradient(circle at 70% 70%, var(--sand-deep) 0 55%, transparent 58%);
}

/* ---------- age notice bar (persistent, non-blocking) ---------- */
.age-bar {
  position: sticky;
  top: 0;
  z-index: 61;
  background: var(--ink);
  color: var(--sand);
  border-bottom: var(--border-w) solid var(--ink);
  font-size: 0.85rem;
}
.age-bar__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-2) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.age-bar strong { color: var(--sand); }
.age-bar a { color: var(--sand); text-decoration: underline; text-underline-offset: 2px; }
.age-bar__toggle {
  margin-left: auto;
  background: transparent;
  border: var(--border-w-thin) solid var(--sand);
  color: var(--sand);
  font: inherit;
  font-weight: 700;
  padding: 2px 10px;
  cursor: pointer;
  line-height: 1;
}
.age-bar.is-collapsed .age-bar__text { display: none; }
.age-bar.is-collapsed .age-bar__inner { padding-block: var(--space-1); }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: var(--age-bar-h, 42px);
  z-index: 50;
  background: var(--sand);
  border-bottom: var(--border-w) solid var(--ink);
}
.site-header__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--ink);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.25rem;
  flex-shrink: 0;
}
.brand:hover { text-decoration: none; }
.brand__mark { width: 40px; height: 40px; flex-shrink: 0; }

.main-nav { margin-left: auto; }
.main-nav__list {
  list-style: none;
  display: flex;
  gap: var(--space-5);
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.main-nav__list a {
  color: var(--ink);
  font-weight: 600;
  font-size: 0.95rem;
}
.main-nav__list a[aria-current="page"] {
  border-bottom: var(--border-w-thin) solid var(--sage-dark);
}
.nav-toggle {
  display: none;
  margin-left: auto;
  background: var(--sand);
  border: var(--border-w-thin) solid var(--ink);
  padding: var(--space-2) var(--space-3);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; align-items: center; gap: 6px; }
  .main-nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--sand);
    border-bottom: var(--border-w) solid var(--ink);
    display: none;
    margin-left: 0;
  }
  .main-nav.is-open { display: block; }
  .main-nav__list { flex-direction: column; padding: var(--space-4) var(--space-5); gap: var(--space-3); }
  .site-header__inner { position: relative; flex-wrap: wrap; }
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  background: var(--sand-deep);
  border-bottom: var(--border-w) solid var(--ink);
  background-size: cover;
  background-position: center;
}
.hero__overlay { background: linear-gradient(180deg, rgba(244,238,223,0.86), rgba(244,238,223,0.94)); }
.hero__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--space-8) var(--space-5) var(--space-7);
}
.hero__eyebrow {
  display: inline-block;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--sage-dark);
  border-bottom: var(--border-w-thin) solid var(--sage-dark);
  padding-bottom: 2px;
  margin-bottom: var(--space-4);
}
.hero h1 { max-width: 18ch; }
.hero__notice {
  margin-top: var(--space-5);
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* page (inner) hero for non-home routes */
.page-hero {
  background: var(--sand-deep);
  border-bottom: var(--border-w) solid var(--ink);
  background-size: cover;
  background-position: center;
}
.page-hero__overlay {
  background: linear-gradient(180deg, rgba(244,238,223,0.88), rgba(244,238,223,0.96));
  padding: var(--space-7) var(--space-5) var(--space-6);
}
.page-hero__inner { max-width: var(--container); margin: 0 auto; }
.page-hero p.lead { max-width: 62ch; }

/* ---------- sections & dividers ---------- */
.section { padding: var(--space-8) 0; position: relative; z-index: 1; }
.section--tint { background: var(--sand-deep); border-top: var(--border-w-thin) solid var(--sand-line); border-bottom: var(--border-w-thin) solid var(--sand-line); }
.section__head { max-width: var(--container-narrow); margin: 0 auto var(--space-6); text-align: center; }
.section__head.is-left { margin-left: 0; text-align: left; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--space-5); }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 var(--space-5); }

.divider {
  width: 64px;
  height: var(--border-w);
  background: var(--sage-dark);
  margin: var(--space-5) auto;
  border: none;
}
.divider.is-left { margin-left: 0; }

.label {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--sage-dark);
}

/* ---------- buttons (two-tone: fill primary / outline secondary) ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.75em 1.4em;
  border: var(--border-w-thin) solid var(--ink);
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease, background-color 120ms ease;
  text-align: center;
}
.btn--primary { background: var(--sage); color: var(--ink); box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--sage-dark); color: var(--sand); text-decoration: none; transform: translate(-2px, -2px); box-shadow: 6px 6px 0 0 var(--ink); }
.btn--secondary { background: transparent; color: var(--ink); }
.btn--secondary:hover { background: var(--ink); color: var(--sand); text-decoration: none; }
.btn--block { width: 100%; }
.btn--sm { padding: 0.5em 1em; font-size: 0.85rem; }

/* ---------- badges (outlined, accent text) ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: var(--border-w-thin) solid var(--sage-dark);
  color: var(--sage-dark);
  background: transparent;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.3em 0.7em;
  white-space: nowrap;
}
.badge--ink { border-color: var(--ink); color: var(--ink); }
.badge--score {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--sand);
  font-family: var(--font-head);
  font-size: 0.9rem;
}

/* ---------- cards ---------- */
.card {
  background: var(--surface);
  border: var(--border-w-thin) solid var(--sand-line);
  border-left: 6px solid var(--sage-dark);
  padding: var(--space-5);
}
.card + .card { margin-top: 0; }

.op-card {
  background: var(--surface);
  border-top: var(--border-w-thin) solid var(--sand-line);
  border-bottom: var(--border-w-thin) solid var(--sand-line);
  border-left: 6px solid var(--sage-dark);
  padding: var(--space-5) var(--space-5) var(--space-5) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  opacity: 0;
  transform: translateY(14px);
}
.op-card.is-visible { opacity: 1; transform: translateY(0); transition: opacity 480ms ease, transform 480ms ease; }
@media (prefers-reduced-motion: reduce) {
  .op-card { opacity: 1; transform: none; }
}
.op-card__top {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  justify-content: space-between;
  flex-wrap: wrap;
}
.op-card__id { display: flex; align-items: center; gap: var(--space-3); }
.op-card__logo {
  width: 84px;
  height: 54px;
  background: var(--white);
  border: var(--border-w-thin) solid var(--sand-line);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  flex-shrink: 0;
}
.op-card__logo img { max-width: 100%; max-height: 100%; object-fit: contain; }
.op-card__logo--fallback {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--ink-soft);
  font-size: 0.85rem;
  text-align: center;
  line-height: 1.1;
}
.op-card__name { font-family: var(--font-head); font-size: 1.15rem; font-weight: 700; margin: 0; }
.op-card__rank { font-family: var(--font-head); color: var(--sand-line); font-size: 1.8rem; font-weight: 700; }
.op-card__desc { margin: 0; color: var(--ink-soft); }
.op-card__badges { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.op-card__offer {
  background: var(--sage-tint);
  border: var(--border-w-thin) solid var(--sand-line);
  padding: var(--space-3) var(--space-4);
  font-size: 0.9rem;
}
.op-card__offer strong { display: block; margin-bottom: 2px; }
.op-card__offer .fine { font-size: 0.72rem; color: var(--ink-soft); display: block; margin-top: 4px; }
.op-card__actions { display: flex; gap: var(--space-3); align-items: center; flex-wrap: wrap; margin-top: auto; }

/* ---------- comparison table (visual centrepiece: thick brutalist frame) ---------- */
.table-frame {
  border: var(--border-w) solid var(--ink);
  box-shadow: var(--shadow);
  background: var(--surface);
  overflow-x: auto;
}
table.compare {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
  font-size: 0.92rem;
}
table.compare caption { text-align: left; padding: var(--space-4) var(--space-5) 0; font-weight: 700; }
table.compare th, table.compare td {
  padding: var(--space-3) var(--space-4);
  border-bottom: var(--border-w-thin) solid var(--sand-line);
  border-right: var(--border-w-thin) solid var(--sand-line);
  text-align: left;
  vertical-align: top;
}
table.compare th:last-child, table.compare td:last-child { border-right: none; }
table.compare thead th {
  background: var(--ink);
  color: var(--sand);
  font-family: var(--font-head);
  font-weight: 700;
  border-bottom: none;
}
table.compare tbody tr:nth-child(odd) { background: var(--sand); }
table.compare tbody th[scope="row"] { font-family: var(--font-head); font-weight: 700; background: var(--sage-tint); }
table.compare td.num, table.compare th.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- criterion breakdown ---------- */
.criterion { border-top: var(--border-w-thin) solid var(--sand-line); padding: var(--space-6) 0; }
.criterion:first-child { border-top: none; padding-top: 0; }
.criterion__rank { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-3); }
.criterion__rank li {
  display: grid;
  grid-template-columns: 2.4ch 1fr;
  gap: var(--space-3);
  align-items: baseline;
  border-left: var(--border-w-thin) solid var(--sand-line);
  padding: 0 0 0 var(--space-4);
  margin: 0;
}
.criterion__rank .n { font-family: var(--font-head); font-weight: 700; color: var(--sage-dark); }

/* ---------- stat strip ---------- */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  border: var(--border-w-thin) solid var(--ink);
}
.stat-strip__item {
  padding: var(--space-5);
  border-left: var(--border-w-thin) solid var(--ink);
  text-align: center;
}
.stat-strip__item:first-child { border-left: none; }
.stat-strip__num { font-family: var(--font-head); font-size: 2rem; font-weight: 700; display: block; }
.stat-strip__label { font-size: 0.8rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.05em; }
@media (max-width: 640px) {
  .stat-strip { grid-template-columns: 1fr 1fr; }
  .stat-strip__item:nth-child(2n+1) { border-left: none; }
}

/* ---------- safety resource cards ---------- */
.safety-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--surface);
  border: var(--border-w-thin) solid var(--sand-line);
  border-left: 6px solid var(--ink);
  height: 100%;
}
.safety-card__logo { width: 56px; height: 56px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; background: var(--white); border: var(--border-w-thin) solid var(--sand-line); padding: 6px; }
.safety-card__logo img { max-width: 100%; max-height: 100%; object-fit: contain; }
.safety-card h3 { margin: 0 0 4px; font-size: 1rem; }
.safety-card p { margin: 0; font-size: 0.88rem; }

/* ---------- FAQ ---------- */
.faq-group h3.faq-group__title { border-bottom: var(--border-w-thin) solid var(--ink); padding-bottom: var(--space-2); margin-bottom: var(--space-4); }
.faq-item { border-bottom: var(--border-w-thin) solid var(--sand-line); padding: var(--space-4) 0; }
.faq-item summary {
  cursor: pointer;
  font-family: var(--font-head);
  font-weight: 700;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.3rem; color: var(--sage-dark); flex-shrink: 0; }
.faq-item[open] summary::after { content: "\2212"; }
.faq-item p { margin-top: var(--space-3); color: var(--ink-soft); }

/* ---------- honesty / disclaimer boxes ---------- */
.notice-box {
  border: var(--border-w-thin) dashed var(--ink-soft);
  padding: var(--space-4) var(--space-5);
  background: var(--sand-deep);
}
.notice-box--disclaimer { font-size: 0.85rem; color: var(--ink-soft); }

/* ---------- inline illustration figures ---------- */
.figure {
  background: var(--surface);
  border: var(--border-w-thin) solid var(--sand-line);
  padding: var(--space-3);
}
.figure img { width: 100%; }
.figure figcaption { font-size: 0.8rem; color: var(--ink-soft); padding-top: var(--space-2); text-align: center; }

/* ---------- forms ---------- */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: var(--space-4); }
.field label { font-weight: 700; font-size: 0.9rem; }
.field input, .field textarea, .field select {
  font: inherit;
  padding: 0.7em 0.9em;
  border: var(--border-w-thin) solid var(--ink);
  background: var(--surface);
  color: var(--ink);
}
.field textarea { resize: vertical; min-height: 140px; }
.form-note { font-size: 0.85rem; color: var(--ink-soft); }

/* ---------- footer ---------- */
.site-footer {
  background: var(--ink);
  color: var(--sand);
  border-top: var(--border-w) solid var(--ink);
  position: relative;
  overflow: hidden;
}
.site-footer a { color: var(--sand); }
.site-footer__inner { max-width: var(--container); margin: 0 auto; padding: var(--space-7) var(--space-5) var(--space-5); position: relative; z-index: 1; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--space-6); }
.footer-grid h4 { color: var(--sand); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: var(--space-3); }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: var(--space-2); }
.footer-grid a { font-size: 0.9rem; opacity: 0.9; }
.footer-brand p { color: var(--sand); opacity: 0.75; font-size: 0.88rem; }
.footer-bottom {
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: var(--border-w-thin) solid rgba(244,238,223,0.25);
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  font-size: 0.8rem;
  opacity: 0.75;
}
.footer-watermark {
  position: absolute;
  right: -40px;
  bottom: -60px;
  width: 260px;
  height: 260px;
  opacity: 0.06;
  z-index: 0;
  pointer-events: none;
}
@media (max-width: 820px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* ---------- cookie banner ---------- */
.cookie-banner {
  position: fixed;
  left: var(--space-4);
  right: var(--space-4);
  bottom: var(--space-4);
  max-width: 640px;
  margin: 0 auto;
  background: var(--surface);
  border: var(--border-w) solid var(--ink);
  box-shadow: var(--shadow);
  padding: var(--space-5);
  z-index: 80;
  display: none;
}
.cookie-banner.is-visible { display: block; }
.cookie-banner p { font-size: 0.88rem; margin-bottom: var(--space-4); }
.cookie-banner__actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* ---------- responsive base ---------- */
@media (max-width: 640px) {
  body { font-size: 16px; }
  .hero__inner { padding: var(--space-7) var(--space-4) var(--space-6); }
  .section { padding: var(--space-7) 0; }
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--sand);
  padding: var(--space-3) var(--space-4);
  z-index: 100;
}
.skip-link:focus { left: var(--space-4); }