/* ===========================================================================
   base.css — reset, document defaults, typography, layout primitives,
   cosmic backgrounds, and small utilities. Depends on tokens.css.
   =========================================================================== */

/* ---- Reset (focused, modern) ----------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  background-color: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  font-weight: var(--weight-reg);
  line-height: var(--lh-body);
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

img, picture, svg, video { display: block; max-width: 100%; }
img { height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
:where(h1, h2, h3, h4) { font-weight: var(--weight-med); line-height: var(--lh-snug); }

/* Body scroll locks (drawer / mobile nav open) */
body.drawer-locked, body.nav-locked { overflow: hidden; }

/* ---- Cosmic background ------------------------------------------------- */
/* A fixed, very restrained deep-blue-to-black wash sits behind everything,
   so product photography always reads against a calm dark ground. */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(120% 80% at 50% -10%, rgba(46, 74, 138, 0.22), transparent 60%),
    radial-gradient(90% 60% at 85% 110%, rgba(46, 74, 138, 0.12), transparent 55%),
    var(--color-bg);
}

/* Faint starfield, only as deep texture — never competes with content. */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.5;
  background-image:
    radial-gradient(1px 1px at 12% 18%, rgba(245,245,242,0.9), transparent),
    radial-gradient(1px 1px at 27% 62%, rgba(245,245,242,0.5), transparent),
    radial-gradient(1.4px 1.4px at 43% 28%, rgba(245,245,242,0.8), transparent),
    radial-gradient(1px 1px at 58% 78%, rgba(245,245,242,0.45), transparent),
    radial-gradient(1.2px 1.2px at 71% 38%, rgba(245,245,242,0.7), transparent),
    radial-gradient(1px 1px at 84% 64%, rgba(245,245,242,0.5), transparent),
    radial-gradient(1.3px 1.3px at 92% 22%, rgba(245,245,242,0.7), transparent),
    radial-gradient(1px 1px at 8% 84%, rgba(245,245,242,0.45), transparent);
  background-repeat: no-repeat;
}
[data-theme='light'] body::after { opacity: 0; }

/* ---- Typography helpers ---------------------------------------------- */
.overline {
  font-size: var(--fs-2xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-muted);
  font-weight: var(--weight-med);
}
.display {
  font-weight: var(--weight-light);
  letter-spacing: var(--tracking-tight);
  line-height: var(--lh-tight);
}
.script {
  font-family: var(--font-script);
  font-weight: var(--weight-reg);
  letter-spacing: 0;
  line-height: 0.9;
  color: var(--color-accent);
}
.muted { color: var(--color-muted); }
.accent-text { color: var(--color-accent); }
.measure { max-width: 60ch; }

/* ---- Layout primitives ----------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: var(--container-narrow); }

main { flex: 1 0 auto; }

.section { padding-block: clamp(3rem, 8vw, 6.5rem); }
.section--tight { padding-block: clamp(2rem, 5vw, 3.5rem); }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}
.section-head h2 { font-size: var(--fs-xl); font-weight: var(--weight-light); }

.hr { height: 1px; border: 0; background: var(--color-line); }

/* Simple responsive auto-grid */
.grid { display: grid; gap: clamp(1rem, 3vw, 2rem); }
.grid--products {
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}
@media (max-width: 560px) {
  .grid--products { grid-template-columns: repeat(2, 1fr); gap: 0.85rem; }
}

/* ---- Accessibility utilities ----------------------------------------- */
.sr-only {
  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: fixed;
  top: -100px;
  left: var(--space-4);
  z-index: var(--z-toast);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  padding: 0.65rem 1rem;
  border-radius: var(--radius);
  font-weight: var(--weight-med);
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: var(--space-4); }

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Subtle entrance animation, opt-in via [data-reveal] */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
[data-reveal].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; }
}