/* ==========================================================================
   guitard.ca — shared stylesheet
   Used by: index (homepage), accessibility-policy, privacy-policy,
   security-policy, security-acknowledgements.

   Homepage layout differs enough from the inner "policy article" pages
   (full-viewport centering vs. normal-flow article) that it's scoped under
   body.page-home rather than forced into one generic ruleset. Add
   class="page-home" to <body> on the homepage only; leave inner pages
   without it.
   ========================================================================== */

/* ---------- Base / reset (all pages) ---------- */
:root {
  color-scheme: light dark;
  font-family: system-ui, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: Canvas;
  color: CanvasText;
  font-size: 1rem;
  line-height: 1.65;
}

/* ---------- Links & focus states (all pages) ---------- */
a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}
a:hover { opacity: 0.75; }
a:focus-visible {
  border-radius: 0.2rem;
  outline: 0.15rem solid currentColor;
  outline-offset: 0.2rem;
}

/* ---------- Skip link (inner pages) ---------- */
.skip-link {
  position: absolute;
  inset-block-start: 0.75rem;
  inset-inline-start: 0.75rem;
  z-index: 1;
  padding: 0.5rem 0.75rem;
  background: Canvas;
  transform: translateY(-200%);
}
.skip-link:focus { transform: none; }

/* ---------- Header (inner pages default) ---------- */
.site-header {
  max-inline-size: 54rem;
  margin-inline: auto;
  padding: 1.25rem 1.5rem 0;
}
.home-link {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 650;
  text-decoration: none;
}
.home-link img {
  inline-size: 48px;
  block-size: 48px;
}

/* ---------- Main content (inner pages default) ---------- */
main {
  max-inline-size: 54rem;
  margin-inline: auto;
  padding: clamp(2rem, 5vw, 4rem) 1.5rem;
}
h1, h2 {
  line-height: 1.2;
  text-wrap: balance;
}
h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  letter-spacing: -0.035em;
}
h2 {
  margin: 3rem 0 0.75rem;
  padding-block-start: 0.25rem;
  font-size: clamp(1.35rem, 3vw, 1.65rem);
  letter-spacing: -0.015em;
}
h3 { margin: 1.5rem 0 0.5rem; font-size: 1.05rem; }
p, ul, ol { margin-block: 0.85rem; }
li + li { margin-block-start: 0.35rem; }
code { font-family: ui-monospace, monospace; }
address { font-style: normal; }

/* ---------- Policy-page components ---------- */
.policy-meta {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.15rem 0.75rem;
  margin: 0 0 2.5rem;
  font-size: 0.9375rem;
}
.policy-meta dt { font-weight: 650; }
.policy-meta dd { margin: 0; }

.contents {
  margin-block: 2.5rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid color-mix(in srgb, CanvasText 18%, transparent);
  border-radius: 0.75rem;
}
.contents h2 { margin: 0 0 0.75rem; padding: 0; font-size: 1rem; }
.contents ol { columns: 2 16rem; margin: 0; padding-inline-start: 1.25rem; }
.contents li { break-inside: avoid; }

.notice {
  margin-block: 1.5rem;
  padding: 1rem 1.25rem;
  border-inline-start: 0.25rem solid currentColor;
  background: color-mix(in srgb, CanvasText 6%, Canvas);
}
.notice p { margin: 0; }

/* ---------- security-acknowledgements-specific components ---------- */
.reviewed {
  margin: 0 0 2.5rem;
  font-size: 0.9375rem;
}
.empty-state {
  margin-block: 1.5rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid color-mix(in srgb, CanvasText 18%, transparent);
  border-radius: 0.75rem;
  background: color-mix(in srgb, CanvasText 4%, Canvas);
}
.empty-state p { margin: 0; }
.report-box {
  margin-block-start: 1.5rem;
  padding: 1rem 1.25rem;
  border-inline-start: 0.25rem solid currentColor;
  background: color-mix(in srgb, CanvasText 6%, Canvas);
}
.report-box p { margin-block: 0.35rem; }

/* ---------- Footer (inner pages default) ---------- */
footer {
  margin-block-start: 4rem;
  padding-block-start: 1.25rem;
  border-block-start: 1px solid color-mix(in srgb, CanvasText 18%, transparent);
  font-size: 0.875rem;
}
footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-block-end: 0.5rem;
}
footer p { margin: 0; }

/* ---------- Back-to-top button (all pages) ---------- */
.back-to-top {
  position: fixed;
  inset-inline-end: 1rem;
  inset-block-end: 1rem;
  z-index: 10;
  display: grid;
  place-items: center;
  inline-size: 3rem;
  block-size: 3rem;
  border: 1px solid color-mix(in srgb, CanvasText 25%, transparent);
  border-radius: 50%;
  background: Canvas;
  color: CanvasText;
  box-shadow: 0 0.25rem 1rem color-mix(in srgb, CanvasText 18%, transparent);
  font-size: 1.5rem;
  line-height: 1;
  text-decoration: none;
}
.back-to-top:hover { opacity: 0.8; }
.back-to-top:focus-visible {
  outline: 0.15rem solid currentColor;
  outline-offset: 0.2rem;
}

/* ==========================================================================
   Homepage overrides — only applied when <body class="page-home">
   ========================================================================== */
body.page-home {
  display: grid;
  grid-template-rows: auto 1fr auto;
  place-items: center;
  min-block-size: 100vh;  /* fallback for older browsers */
  min-block-size: 100svh;
  padding: 1.5rem;
  line-height: 1.5;
  text-align: center;
}
body.page-home main { max-inline-size: 34rem; padding: 0; }
body.page-home .site-header {
  display: flex;
  inline-size: 100%;
  justify-content: center;
  max-inline-size: none;
  margin-inline: 0;
  padding: 0;
}
body.page-home .home-logo {
  display: inline-block;
  border-radius: 50%;
  line-height: 0;
}
body.page-home .home-logo img {
  display: block;
  inline-size: 125px;
  block-size: 125px;
}
body.page-home .home-logo:focus-visible {
  outline: 0.15rem solid currentColor;
  outline-offset: 0.3rem;
}
body.page-home h1 {
  margin: 0;
  font-size: clamp(2rem, 6vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}
body.page-home main p {
  margin: 0.75rem 0 0;
  font-size: 1.125rem;
  opacity: 0.7;
  text-wrap: pretty;
}
body.page-home footer {
  margin-block-start: 0;
  padding-block-start: 0;
  border-block-start: none;
  font-size: 0.8125rem;
}
body.page-home footer nav { justify-content: center; }

/* ---------- Reduced motion & print (all pages) ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
@media print {
  .back-to-top { display: none; }
}
