/* Power Commerce Glow-Ups — base styles
   Built on the Power Commerce Design System tokens (tokens: fonts, colors,
   typography, spacing, effects). Grotesque sans, near-monochrome zinc ink,
   one coral accent, warm paper secondary, dark sections. */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
[id] { scroll-margin-top: 128px; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--text-primary);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
}
img, svg, video { max-width: 100%; display: block; }
a { color: var(--link); text-decoration: none; transition: color var(--dur-fast) var(--ease); }
a:hover { color: var(--link-hover); }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
h1, h2, h3, h4 { margin: 0; font-family: var(--font-display); font-weight: var(--weight-heading); letter-spacing: var(--tracking-heading); line-height: var(--leading-heading); }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
table { border-collapse: collapse; width: 100%; }
:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: 4px; }
::selection { background: var(--coral-100); color: var(--ink-900); }

/* ---------- Layout ---------- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: var(--section-y) 0; }
.section--tight { padding: var(--space-9) 0; }
.section--paper { background: var(--bg-paper); }
.section--dark { background: var(--bg-dark); color: var(--text-inverse); }
.section--dark a { color: var(--text-inverse); }
.section--dark .eyebrow { color: var(--text-inverse-secondary); }
.section--dark .lede { color: var(--text-inverse-secondary); }
.grid { display: grid; gap: var(--grid-gap); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stack > * + * { margin-top: var(--space-4); }
.hairline { border-top: 1px solid var(--border); }
.section--dark .hairline { border-color: var(--border-dark); }

/* ---------- Type ---------- */
.eyebrow {
  display: inline-block; font-size: var(--text-label); letter-spacing: var(--tracking-label);
  text-transform: uppercase; font-weight: 600; color: var(--text-secondary);
}
.eyebrow--accent { color: var(--coral-600); }
.eyebrow--dark { color: var(--text-inverse-secondary); }
.display { font-size: clamp(40px, 5.5vw, var(--text-hero)); line-height: var(--leading-tight); letter-spacing: -0.03em; font-weight: 800; }
.h1 { font-size: clamp(34px, 4vw, var(--text-h1)); }
.h2 { font-size: clamp(30px, 3.4vw, var(--text-h2)); }
.h3 { font-size: var(--text-h3); }
.h4 { font-size: var(--text-h4); }
.lede { font-size: var(--text-body-lg); color: var(--text-secondary); max-width: 60ch; }
.small { font-size: var(--text-small); }
.muted { color: var(--text-secondary); }
.mono { font-variant-numeric: tabular-nums; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-6); margin-bottom: var(--space-7); }
.section-head .h2 { margin-top: var(--space-3); max-width: 22ch; }
.section-head .lede { margin-top: var(--space-4); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px; border: 1px solid transparent;
  border-radius: var(--radius-pill); padding: 12px 26px; font-size: 15px; font-weight: 600;
  letter-spacing: -0.01em; white-space: nowrap; cursor: pointer; text-decoration: none;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.btn svg { width: 11px; height: 11px; flex: none; }
.btn--sm { padding: 8px 18px; font-size: 13px; }
.btn--lg { padding: 15px 32px; font-size: 16px; }
.btn--primary { background: var(--ink-900); color: #fff; }
.btn--primary:hover { background: var(--ink-700); color: #fff; }
.btn--accent { background: var(--coral-500); color: #fff; }
.btn--accent:hover { background: var(--coral-600); color: #fff; }
.btn--outline { background: transparent; color: var(--ink-900); border-color: var(--ink-900); }
.btn--outline:hover { background: var(--ink-100); color: var(--ink-900); }
.btn--inverse { background: #fff; color: var(--ink-900); }
.btn--inverse:hover { background: var(--ink-200); color: var(--ink-900); }
.section--dark .btn--inverse, .section--dark .btn--inverse:hover { color: var(--ink-900); }
.btn--ghost-inverse { background: transparent; color: #fff; border-color: rgba(255,255,255,0.4); }
.btn--ghost-inverse:hover { border-color: #fff; color: #fff; }
.btn--link { padding: 0; border: 0; background: none; color: var(--ink-900); font-weight: 600; }
.btn--link:hover { color: var(--coral-600); }
.btn--link.on-dark { color: #fff; }
.btn--link.on-dark:hover { color: var(--coral-300); }

/* ---------- Tags / chips ---------- */
.tag {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px; border-radius: var(--radius-pill);
  font-size: 12px; font-weight: 600; letter-spacing: 0.02em; border: 1px solid var(--border); color: var(--text-secondary); background: #fff;
}
.tag--dark { background: var(--ink-900); color: #fff; border-color: var(--ink-900); }
.tag--accent { background: var(--coral-100); color: var(--coral-600); border-color: var(--coral-100); }
.tag--live { background: #ECFDF3; color: #157347; border-color: #D1FADF; }
.tag--build { background: #FFF7E6; color: #B54708; border-color: #FEE9C2; }
.tag--ok { background: #ECFDF3; color: #157347; border-color: #D1FADF; }
.tag .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.tag--ghost { background: transparent; border-color: rgba(255,255,255,0.25); color: var(--text-inverse-secondary); }

/* ---------- Cards ---------- */
.card {
  background: var(--surface-card); border: 1px solid var(--border); border-radius: var(--radius-card);
  padding: var(--space-6); transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.card--hover:hover { transform: translateY(-2px); box-shadow: var(--shadow-card); }
.card--flat { border: 0; box-shadow: none; }
.card--dark { background: var(--surface-card-dark); border-color: var(--border-dark); color: #fff; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,0.94);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-bottom: 1px solid var(--border);
}
.site-header .container { height: 68px; display: flex; align-items: center; gap: 32px; }
.site-header .logo img { height: 24px; }
.site-header nav { display: flex; gap: 26px; font-size: 14.5px; font-weight: 500; }
.site-header nav a { color: var(--ink-900); }
.site-header nav a:hover, .site-header nav a[aria-current="page"] { color: var(--coral-600); }
.site-header .actions { margin-left: auto; display: flex; gap: 10px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-dark); color: var(--text-inverse-secondary); padding: var(--space-9) 0 var(--space-6); }
.site-footer .top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--space-6); padding-bottom: var(--space-8); border-bottom: 1px solid var(--border-dark); }
.site-footer .logo img { height: 28px; }
.site-footer h4 { color: #fff; font-size: 13px; letter-spacing: var(--tracking-label); text-transform: uppercase; margin-bottom: var(--space-4); }
.site-footer li + li { margin-top: 10px; }
.site-footer a { color: var(--text-inverse-secondary); font-size: 14px; }
.site-footer a:hover { color: #fff; }
.site-footer .bottom { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); padding-top: var(--space-5); font-size: 13px; flex-wrap: wrap; }
.site-footer .partners { display: flex; gap: 14px; align-items: center; }
.site-footer .partners { font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-500); }
.site-footer .partners img { height: 18px; width: auto; filter: brightness(0) invert(1); opacity: 0.85; }

/* ---------- Utilities ---------- */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.mt-2 { margin-top: var(--space-2); } .mt-3 { margin-top: var(--space-3); } .mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); } .mt-6 { margin-top: var(--space-6); } .mt-7 { margin-top: var(--space-7); } .mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); } .mb-5 { margin-bottom: var(--space-5); } .mb-6 { margin-bottom: var(--space-6); } .mb-7 { margin-bottom: var(--space-7); }
.flex { display: flex; } .items-center { align-items: center; } .justify-between { justify-content: space-between; } .gap-2 { gap: var(--space-2); } .gap-3 { gap: var(--space-3); } .gap-4 { gap: var(--space-4); } .wrap { flex-wrap: wrap; }
.center { text-align: center; }
.arrow-icon { display: inline-block; width: 11px; height: 11px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  :root { --section-y: 72px; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-footer .top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  :root { --section-y: 56px; --gutter: 20px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .site-header nav { display: none; }
  .site-header .actions .btn--outline { display: none; }
  .site-footer .top { grid-template-columns: 1fr; }
}