/* =========================================================================
   Miriam Well — structural styles. Colour comes entirely from theme tokens.
   ========================================================================= */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background:
    radial-gradient(120% 90% at 50% -10%, var(--bg-grain), transparent 60%),
    var(--bg);
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color .35s ease, color .35s ease;
}

h1, h2, h3 { font-family: var(--display-font); font-weight: var(--display-weight); line-height: 1.15; letter-spacing: -0.01em; }
a { color: inherit; }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--accent); color: var(--accent-ink);
  padding: .6rem 1rem; border-radius: 0 0 var(--radius-sm) 0; z-index: 100;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 3px solid var(--ring); outline-offset: 2px; border-radius: 4px; }

/* ---- Header -------------------------------------------------------------- */
.site-header {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.1rem clamp(1rem, 4vw, 2.4rem);
  max-width: 74rem; width: 100%; margin: 0 auto;
}
.brand { display: inline-flex; align-items: center; gap: .55rem; text-decoration: none; }
.brand-mark { display: grid; place-items: center; color: var(--accent); }
.brand-mark svg { display: block; } /* fills/strokes set per-element via currentColor */
.brand-name {
  font-family: var(--display-font); font-weight: 640; font-size: 1.28rem;
  letter-spacing: -0.02em; color: var(--ink);
}

.site-nav { display: flex; align-items: center; gap: clamp(.8rem, 2.4vw, 1.6rem); }
.site-nav > a {
  text-decoration: none; color: var(--ink-soft); font-size: .93rem; font-weight: 500;
  padding: .35rem 0; border-bottom: 1.5px solid transparent; transition: color .2s, border-color .2s;
}
.site-nav > a:hover { color: var(--ink); border-color: var(--accent); }

/* ---- Theme switch ------------------------------------------------------- */
.theme-switch {
  display: flex; gap: .25rem; padding: .25rem;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 999px;
}
.theme-chip {
  display: inline-flex; align-items: center; gap: .45rem; cursor: pointer;
  border: 0; background: transparent; color: var(--ink-soft);
  font: inherit; font-size: .82rem; font-weight: 500;
  padding: .35rem .7rem; border-radius: 999px; transition: background .2s, color .2s;
}
.theme-chip:hover { color: var(--ink); }
.theme-chip[aria-pressed="true"] { background: var(--surface); color: var(--ink); box-shadow: var(--shadow); }
.theme-chip-label { display: none; }
@media (min-width: 720px) { .theme-chip-label { display: inline; } }
.swatch { width: 15px; height: 15px; border-radius: 50%; box-shadow: inset 0 0 0 1.5px rgba(0,0,0,.12); }
.swatch-manuscript { background: linear-gradient(135deg, #f6f1e7 45%, #b4562f 45%); }
.swatch-nocturne   { background: linear-gradient(135deg, #161a22 45%, #8b8cf0 45%); }
.swatch-meadow     { background: linear-gradient(135deg, #eef0e6 45%, #3f7d54 45%); }

/* ---- Flash + footer ----------------------------------------------------- */
.flash {
  max-width: var(--maxw); margin: .5rem auto 0; padding: .7rem 1rem;
  border-radius: var(--radius-sm); font-size: .92rem;
  background: var(--accent-soft); color: var(--ink); border: 1px solid var(--border);
}

main { flex: 1 0 auto; width: 100%; }

.site-footer {
  max-width: var(--maxw); margin: 3rem auto 2rem; padding: 1.4rem clamp(1rem, 4vw, 2rem) 0;
  border-top: 1px solid var(--border-soft); color: var(--ink-faint);
  font-size: .82rem; text-align: center;
}
.site-footer .disclaimer { margin-bottom: .5rem; line-height: 1.5; }
.site-footer .colophon { font-size: .76rem; opacity: .85; }

/* ---- Buttons ------------------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font: inherit; font-weight: 600; cursor: pointer;
  padding: .8rem 1.4rem; border-radius: 999px; border: 1px solid transparent;
  transition: transform .12s ease, box-shadow .2s, background .2s, opacity .2s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); box-shadow: var(--shadow); }
.btn-primary:hover { box-shadow: 0 6px 18px var(--ring); }
.btn-ghost { background: transparent; color: var(--ink-soft); border-color: var(--border); }
.btn-ghost:hover { color: var(--ink); border-color: var(--ink-faint); }

/* ---- Static content pages (about / ethics) ------------------------------ */
.prose { max-width: var(--maxw); margin: 2.5rem auto; padding: 0 clamp(1rem, 4vw, 2rem); }
.prose h1 { font-size: clamp(1.9rem, 5vw, 2.7rem); margin-bottom: 1rem; }
.prose h2 { font-size: 1.3rem; margin: 2.2rem 0 .6rem; }
.prose p { color: var(--ink-soft); margin-bottom: 1rem; font-size: 1.04rem; }
.prose .lead { font-size: 1.2rem; color: var(--ink); font-family: var(--serif); line-height: 1.5; }
.promise-list { list-style: none; display: grid; gap: .9rem; margin: 1.4rem 0; }
.promise-list li {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem 1.2rem; box-shadow: var(--shadow);
}
.promise-list strong { color: var(--ink); display: block; margin-bottom: .2rem; }
.promise-list span { color: var(--ink-soft); font-size: .96rem; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto; }
}