/**
 * Clear Grid — BuyAGenerator.com shared SSR tokens + class overrides
 * System: Clear Grid (original BAG; peer-inspired; NOT powerbackuplab)
 * Link AFTER brand.css / page inline <style> so overrides win.
 * Prefer Inter via fonts.googleapis.com with display=swap (see @import below).
 * Spec: /workspace/buyagenerator/visual-clear-grid-tokens.md
 * Do not deploy from the tokens task alone.
 */

/* Inter loaded from <head> via Google Fonts display=swap (see INDEX HTML).
 * Fallback stack remains in --cg-font below. */

/* -------------------------------------------------------------------------- */
/* :root — Clear Grid + legacy aliases (--primary, --muted, --border, etc.)   */
/* -------------------------------------------------------------------------- */

:root {
  /* Clear Grid named tokens */
  --cg-canvas: #f7f8fa;
  --cg-surface: #ffffff;
  --cg-ink: #0f172a;
  --cg-muted: #64748b;
  --cg-primary: #0b6e4f;
  --cg-primary-hover: #095c42;
  --cg-accent: #c45c26;
  --cg-accent-hover: #a34c1f;
  --cg-border: #e2e8f0;
  --cg-radius-sm: 12px;
  --cg-radius: 14px;
  --cg-radius-lg: 16px;
  --cg-gap: 0.875rem; /* ~14px — within 12–16px card gaps */
  --cg-space-1: 0.5rem;   /* 8px */
  --cg-space-2: 1rem;     /* 16px */
  --cg-space-3: 1.5rem;   /* 24px */
  --cg-space-4: 2rem;     /* 32px */
  --cg-space-5: 2.5rem;   /* 40px */
  --cg-space-6: 3rem;     /* 48px */
  --cg-space-7: 3.5rem;   /* 56px */
  --cg-space-8: 4rem;     /* 64px */
  --cg-section-y: 3.5rem;
  --cg-header-h: 4rem; /* 64px */
  --cg-measure: 42rem; /* 672px article measure */
  --cg-max: 71.25rem; /* 1140px shell */
  --cg-shadow: 0 1px 4px rgba(15, 23, 42, 0.04);
  --cg-shadow-hover: 0 8px 24px rgba(15, 23, 42, 0.08);
  --cg-motion: 150ms ease;
  --cg-font: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Legacy aliases used by current keepers / brand.css */
  --bg: var(--cg-canvas);
  --card: var(--cg-surface);
  --surface: var(--cg-surface);
  --surface-alt: var(--cg-canvas);
  --text: var(--cg-ink);
  --text-muted: var(--cg-muted);
  --muted: var(--cg-muted);
  --primary: var(--cg-primary);
  --accent: var(--cg-accent);
  --border: var(--cg-border);
  --radius: var(--cg-radius);
  --radius-sm: var(--cg-radius-sm);
  --radius-md: var(--cg-radius);
  --radius-lg: var(--cg-radius-lg);
  --max: var(--cg-max);
  --shadow: var(--cg-shadow-hover);
  --shadow-sm: var(--cg-shadow);
  --shadow-lg: 0 18px 40px rgba(15, 23, 42, 0.08);
  --brand-ink: var(--cg-ink);
  --brand-green: var(--cg-primary);
  --brand-amber: var(--cg-accent);
  --brand-navy: var(--cg-primary);
  --brand-blue: var(--cg-primary);
  --brand-slate: var(--cg-muted);
}

/* -------------------------------------------------------------------------- */
/* Base type + canvas                                                          */
/* -------------------------------------------------------------------------- */

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--cg-font);
  font-size: 1.0625rem; /* 17px */
  line-height: 1.65;
  color: var(--cg-ink);
  background: var(--cg-canvas);
}

h1,
.hero h1,
.page h1 {
  font-size: clamp(2.25rem, 2.1rem + 0.6vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--cg-ink);
  font-weight: 800;
}

h2 {
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--cg-ink);
}

a {
  color: var(--cg-primary);
}

a:hover {
  color: var(--cg-primary-hover);
}

.muted {
  color: var(--cg-muted);
}

/* Article reading measure — main essay column when marked */
.article-measure,
.page.article .layout > .main,
.page--article .prose {
  max-width: var(--cg-measure);
}

/* Soft section rhythm */
.section-band {
  margin-bottom: var(--cg-section-y);
  border-radius: var(--cg-radius-lg);
  border-color: var(--cg-border);
  background: var(--cg-surface);
}

/* -------------------------------------------------------------------------- */
/* Header — sticky, white/blur, ~64px; hubs + Trust; no mega-menu              */
/* -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: var(--cg-header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--cg-border);
  box-shadow: none;
}

.site-header .container {
  max-width: var(--cg-max);
  margin: 0 auto;
  min-height: var(--cg-header-h);
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Wordmark: primary ink (not navy/amber legacy) */
.site-header a.wordmark,
.site-header .wordmark,
.site-header > .container > a:first-child {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--cg-primary) !important;
  text-decoration: none;
}

.site-header a.wordmark span,
.site-header .wordmark span,
.site-header > .container > a:first-child span {
  color: var(--cg-muted) !important;
  font-weight: 700;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
}

.site-header nav a {
  color: var(--cg-ink);
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  transition: color var(--cg-motion);
}

.site-header nav a:hover {
  color: var(--cg-primary);
  text-decoration: none;
}

.site-header nav a[aria-current="page"] {
  color: var(--cg-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* -------------------------------------------------------------------------- */
/* Cards — 12–16px radius, 1px border, hover lift                              */
/* -------------------------------------------------------------------------- */

.card,
.feature-card,
.related-card,
.mini-card,
.trust-strip,
.path-step {
  background: var(--cg-surface);
  border: 1px solid var(--cg-border);
  border-radius: var(--cg-radius);
  box-shadow: var(--cg-shadow);
  transition: transform var(--cg-motion), box-shadow var(--cg-motion);
}

.card {
  padding: 1.15rem 1.15rem 1rem;
  margin-bottom: 1rem;
  border-radius: var(--cg-radius);
}

.feature-card {
  padding: 1rem;
  border-radius: var(--cg-radius-lg);
}

.related-card {
  padding: 0.9rem;
  border-radius: var(--cg-radius-sm);
  background: #fafbfc;
}

.feature-grid,
.related-links,
.card-grid,
.grid-2,
.path-steps {
  gap: var(--cg-gap);
}

.card:hover,
.feature-card:hover,
.related-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--cg-shadow-hover);
}

/* -------------------------------------------------------------------------- */
/* Article meta — small-caps row                                               */
/* -------------------------------------------------------------------------- */

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  align-items: center;
  margin: 0.6rem 0 1rem;
  color: var(--cg-muted);
  font-size: 0.8125rem;
  line-height: 1.4;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-variant: normal;
  font-weight: 600;
}

.article-meta a {
  color: var(--cg-primary);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 700;
}

/* -------------------------------------------------------------------------- */
/* Guide TOC — inset + left primary bar                                        */
/* -------------------------------------------------------------------------- */

.guide-toc {
  background: var(--cg-surface);
  border: 1px solid var(--cg-border);
  border-left: 4px solid var(--cg-primary);
  border-radius: var(--cg-radius);
  box-shadow: var(--cg-shadow);
  padding: 0.9rem 1.05rem;
  margin: 0 0 1rem;
  max-width: min(720px, var(--cg-measure));
}

.guide-toc strong {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.95rem;
  color: var(--cg-ink);
}

.guide-toc ol {
  margin: 0.2rem 0 0;
  padding-left: 1.2rem;
}

.guide-toc li {
  margin-bottom: 0.28rem;
}

.guide-toc a {
  color: var(--cg-primary);
}

.guide-toc a:hover {
  color: var(--cg-primary-hover);
}

@media (max-width: 720px) {
  .guide-toc details > summary {
    cursor: pointer;
    font-weight: 700;
  }
}

/* -------------------------------------------------------------------------- */
/* Quick Answer — bordered callout (NOT yellow alert)                          */
/* -------------------------------------------------------------------------- */

#quick-answer,
.quick-answer,
.card.quick-answer,
section.card#quick-answer {
  background: var(--cg-surface);
  border: 1px solid var(--cg-border);
  border-left: 4px solid var(--cg-primary);
  border-radius: var(--cg-radius);
  box-shadow: var(--cg-shadow);
}

/* Kill legacy yellow alert look inside Quick Answer */
#quick-answer .highlight,
.quick-answer .highlight,
section.card#quick-answer .highlight {
  background: #f3faf7;
  border: 1px solid #c6e6d8;
  border-radius: var(--cg-radius-sm);
  color: var(--cg-ink);
  padding: 0.7rem 0.8rem;
  font-size: 0.95rem;
}

/* Standalone quick-answer callout (if not using .highlight) */
.quick-answer-body {
  background: #f3faf7;
  border: 1px solid #c6e6d8;
  border-radius: var(--cg-radius-sm);
  padding: 0.7rem 0.8rem;
}

/* Other .highlight callouts elsewhere: neutralize yellow → soft primary tint */
.highlight {
  background: #f3faf7;
  border: 1px solid #c6e6d8;
  border-radius: var(--cg-radius-sm);
  color: var(--cg-ink);
}

/* -------------------------------------------------------------------------- */
/* Hub band                                                                    */
/* -------------------------------------------------------------------------- */

.hub-band {
  background: #f8fafc;
  border: 1px solid var(--cg-border);
  border-top: 3px solid var(--cg-primary);
  border-radius: var(--cg-radius);
  box-shadow: var(--cg-shadow);
  padding: 1.15rem 1.15rem 1rem;
  margin: 1.1rem 0;
}

.hub-band h2 {
  margin-top: 0;
  font-size: 1.22rem;
  line-height: 1.25;
  color: var(--cg-ink);
}

.hub-band .card-grid,
.hub-band .related-links {
  margin-top: 0.75rem;
}

.hub-return {
  margin: 0.35rem 0 1rem;
  font-size: 0.92rem;
  color: var(--cg-muted);
}

.hub-return a {
  font-weight: 700;
  color: var(--cg-primary);
}

/* -------------------------------------------------------------------------- */
/* Buttons — accent = primary CTAs only                                        */
/* -------------------------------------------------------------------------- */

.button-link {
  display: inline-flex;
  align-items: center;
  margin-top: 0.5rem;
  margin-right: 0.45rem;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  background: var(--cg-accent);
  color: #fff !important;
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background var(--cg-motion), color var(--cg-motion),
    border-color var(--cg-motion), transform var(--cg-motion);
}

.button-link:hover {
  background: var(--cg-accent-hover);
  color: #fff !important;
  text-decoration: none;
}

.button-link.secondary {
  background: var(--cg-surface);
  color: var(--cg-primary) !important;
  border: 1px solid var(--cg-primary);
}

.button-link.secondary:hover {
  background: #f3faf7;
  color: var(--cg-primary-hover) !important;
  text-decoration: none;
}

/* -------------------------------------------------------------------------- */
/* Footer — quieter; Trust column clear                                        */
/* -------------------------------------------------------------------------- */

.site-footer,
footer.site-footer {
  background: var(--cg-surface);
  border-top: 1px solid var(--cg-border);
  margin-top: var(--cg-space-6);
  color: var(--cg-muted);
  font-size: 0.9375rem;
}

.site-footer .footer-grid,
footer.site-footer .footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.9rem 1.2rem;
}

.site-footer strong,
footer.site-footer strong {
  display: block;
  color: var(--cg-ink);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
  font-weight: 700;
}

.site-footer .link-list a,
footer.site-footer .link-list a {
  color: var(--cg-muted);
  font-weight: 500;
  font-size: 0.9rem;
}

.site-footer .link-list a:hover,
footer.site-footer .link-list a:hover {
  color: var(--cg-primary);
}

.site-footer .footer-independence,
.footer-independence {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: var(--cg-muted);
}

/* -------------------------------------------------------------------------- */
/* Misc chrome already on keepers                                              */
/* -------------------------------------------------------------------------- */

.badge {
  border-color: rgba(11, 110, 79, 0.2);
  background: rgba(11, 110, 79, 0.08);
  color: var(--cg-primary);
}

.path-step .step-num {
  color: var(--cg-primary);
}

.hero {
  background: linear-gradient(135deg, #ffffff 0%, #f3faf7 55%, #f7f8fa 100%);
  border: 1px solid var(--cg-border);
  border-radius: 20px;
  box-shadow: var(--cg-shadow);
}

.hero-generators,
.hero-battery,
.hero-home {
  background: linear-gradient(135deg, #ffffff 0%, #f3faf7 60%, #f7f8fa 100%);
}

.success {
  background: #ecfdf5;
  border: 1px solid #bbf7d0;
  color: #166534;
  border-radius: var(--cg-radius-sm);
}

/* Images: encourage CLS-safe sizing when width/height omitted in HTML */
img {
  max-width: 100%;
  height: auto;
}

/* -------------------------------------------------------------------------- */
/* Motion — 150ms ease; honor reduced motion                                   */
/* -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .card:hover,
  .feature-card:hover,
  .related-card:hover,
  .button-link:hover {
    transform: none;
  }
}
