/* Mindfield Guides: shared styles for the white site (header, footer,
   download dialog, prose pages, volume pages). Pages keep their own inline
   styles; this file loads after them, so rules here win on conflicts. */

:root {
  --background: #FFFFFF;
  --ink: #000000;
  --muted: #6F6F6F;
  --muted-strong: #555555;
  --body: #2a2a2a;
  --rule: rgba(0, 0, 0, 0.10);
  --warm: #B27A2C;
  --warm-ink: #8A5A1C; /* the sunset gold, dark enough for text on white */
}

[hidden] { display: none !important; }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--ink);
  color: #fff;
  border-radius: 999px;
  font-size: 0.9rem;
}
.skip-link:focus { top: 1rem; }

a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

/* ---------- Shared header (pages without their own inline nav CSS) ---------- */
.page-white { margin: 0; background: var(--background); color: var(--ink); font-family: 'Inter', system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
.page-white a { color: inherit; text-decoration: none; }
.page-white ul { list-style: none; margin: 0; padding: 0; }
.page-white button { font: inherit; cursor: pointer; border: 0; }
.page-white .nav { position: relative; z-index: 40; border-bottom: 1px solid var(--rule); }
.page-white .nav-inner { max-width: 80rem; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 1.5rem 2rem; }
.wordmark { font-family: 'Instrument Serif', serif; font-size: 1.875rem; letter-spacing: -0.025em; line-height: 1; color: var(--ink); display: inline-flex; align-items: center; gap: 0.4em; }
.wordmark__logo { height: 0.95em; width: auto; display: block; }
.page-white .nav-list { display: none; align-items: center; gap: 2.5rem; }
.page-white .nav-link { font-size: 0.875rem; color: var(--muted-strong); transition: color 200ms ease; }
.page-white .nav-link.active, .page-white .nav-link:hover { color: var(--ink); }
.page-white .nav-toggle { display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px; width: 44px; height: 44px; padding: 0; background: transparent; border-radius: 999px; position: relative; z-index: 60; }
.page-white .nav-toggle__bar { display: block; height: 2px; width: 22px; background: var(--ink); transition: transform 250ms ease, opacity 150ms ease; }
body.nav-open .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .nav-toggle__bar:nth-child(2) { opacity: 0; visibility: hidden; }
body.nav-open .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
@media (min-width: 768px) {
  .page-white .nav-list { display: flex; }
  .page-white .nav-toggle { display: none; }
}
@media (max-width: 767px) {
  .page-white .nav-list {
    display: flex; flex-direction: column; align-items: center; gap: 2.5rem;
    position: fixed; top: 75px; left: 0; right: 0; bottom: 0;
    background: rgba(255, 255, 255, 0.97);
    -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
    z-index: 50; padding: 4rem 2rem 2rem;
    opacity: 0; pointer-events: none; transform: translateY(-8px);
    transition: opacity 250ms ease, transform 300ms ease;
  }
  body.nav-open .nav-list { opacity: 1; pointer-events: auto; transform: translateY(0); }
  body.nav-open { overflow: hidden; }
  .page-white .nav-list .nav-link { font-family: 'Instrument Serif', serif; font-size: 2rem; color: var(--ink); line-height: 1; }
  .wordmark { font-size: 1.5rem; }
  .page-white .nav-inner { padding: 1.25rem; gap: 0.75rem; }
}

/* ---------- Buttons used on new pages ---------- */
.page-white .btn-cta { display: inline-flex; align-items: center; justify-content: center; border-radius: 9999px; padding: 0.625rem 1.5rem; font-size: 0.875rem; background: var(--ink); color: #fff; line-height: 1.2; transition: transform 200ms ease; }
.page-white .btn-cta:hover { transform: scale(1.03); }
.page-white .btn-download { display: inline-flex; align-items: baseline; gap: 0.7rem; padding: 1rem 2rem; border-radius: 9999px; background: var(--ink); color: #fff; font-size: 0.95rem; font-weight: 500; letter-spacing: 0.01em; white-space: nowrap; transition: transform 200ms ease; }
.page-white .btn-download:hover { transform: scale(1.03); }
.btn-download__sep { opacity: 0.45; font-weight: 400; }
.btn-download__meta { font-size: 0.78rem; font-weight: 400; opacity: 0.85; letter-spacing: 0.08em; text-transform: uppercase; }
.page-white .btn-ghost { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.95rem; color: var(--ink); border-bottom: 1px solid rgba(0,0,0,0.25); padding-bottom: 2px; transition: border-color 200ms ease; }
.page-white .btn-ghost:hover { border-bottom-color: var(--warm); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--rule); padding: 2.5rem 2rem 2rem; background: var(--background); }
.site-footer__inner { max-width: 80rem; margin: 0 auto; font-size: 0.85rem; color: var(--muted-strong); text-align: center; }
.site-footer__links { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem 1.6rem; margin: 0 0 1.4rem; }
.site-footer__links a { color: var(--ink); font-size: 0.9rem; border-bottom: 1px solid transparent; padding-bottom: 1px; transition: border-color 200ms ease; }
.site-footer__links a:hover { border-bottom-color: var(--warm); }
.site-footer__safety { max-width: 46rem; margin: 0 auto 1.2rem; line-height: 1.6; }
.site-footer__safety a { color: var(--ink); text-decoration: underline; text-underline-offset: 2px; }
.site-footer__copy { margin: 0; }

/* ---------- Download dialog (one step) ---------- */
.mf-modal { border: none; padding: 0; background: transparent; max-width: 32rem; width: calc(100% - 2rem); position: fixed; inset: 0; margin: auto; max-height: calc(100dvh - 2rem); overflow-y: auto; color: var(--ink); }
.mf-modal::backdrop { background: rgba(20, 20, 20, 0.45); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.mf-modal__card { background: #fff; border: 1px solid var(--rule); border-radius: 6px; padding: clamp(1.5rem, 3vw, 2.2rem); box-shadow: 0 30px 80px -20px rgba(0,0,0,0.30); font-family: 'Inter', system-ui, sans-serif; }
.mf-modal__title { font-family: 'Instrument Serif', serif; font-weight: 400; font-size: clamp(1.6rem, 2.8vw, 2rem); line-height: 1.15; margin: 0 0 0.5rem; letter-spacing: -0.5px; color: var(--ink); }
.mf-modal__blurb { font-size: 0.95rem; line-height: 1.6; color: var(--body); margin: 0 0 1.2rem; }
.mf-modal__form { display: flex; flex-direction: column; gap: 1rem; }
.mf-modal__label { display: flex; flex-direction: column; gap: 0.4rem; font-size: 0.82rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted-strong); }
.mf-modal__input { font-family: 'Inter', system-ui, sans-serif; font-size: 1rem; color: var(--ink); background: #fafafa; border: 1px solid rgba(0,0,0,0.18); border-radius: 4px; padding: 0.75rem 0.9rem; width: 100%; box-sizing: border-box; text-transform: none; letter-spacing: normal; }
.mf-modal__input:focus { outline: none; border-color: var(--ink); background: #fff; }
.mf-modal__code { letter-spacing: 0.18em; text-transform: uppercase; font-feature-settings: 'tnum' 1; }
.mf-modal__hint { margin: -0.4rem 0 0; font-size: 0.85rem; line-height: 1.5; color: var(--muted-strong); text-transform: none; letter-spacing: normal; }
.mf-modal__hint a, .mf-modal__note a { color: var(--ink); text-decoration: underline; text-underline-offset: 2px; }
.mf-modal__roles { border: 0; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.5rem; }
.mf-modal__roles legend { padding: 0; margin-bottom: 0.4rem; font-size: 0.82rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted-strong); }
.mf-modal__check { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.92rem; line-height: 1.5; color: var(--body); cursor: pointer; }
.mf-modal__check input { width: 1rem; height: 1rem; margin-top: 0.2rem; accent-color: var(--ink); flex-shrink: 0; }
.mf-modal__note { margin: 0; font-size: 0.85rem; line-height: 1.55; color: var(--muted-strong); padding: 0.7rem 0.85rem; background: #f7f5f0; border-radius: 4px; }
.mf-modal__actions { display: flex; gap: 0.7rem; align-items: center; margin-top: 0.4rem; flex-wrap: wrap; }
.mf-modal__actions .btn-cta { text-decoration: none; display: inline-flex; align-items: center; justify-content: center; border-radius: 9999px; padding: 0.7rem 1.5rem; font-size: 0.9rem; background: var(--ink); color: #fff; border: 0; cursor: pointer; }
.mf-modal__actions .btn-cta[disabled] { opacity: 0.55; cursor: progress; }
.mf-modal__cancel { background: none; border: 0; color: var(--muted-strong); font-size: 0.9rem; cursor: pointer; padding: 0.5rem 0.6rem; }
.mf-modal__cancel:hover { color: var(--ink); }
.mf-modal__error { display: none; font-size: 0.88rem; line-height: 1.5; color: var(--warm-ink); padding: 0.65rem 0.85rem; background: rgba(178, 122, 44, 0.08); border-left: 2px solid var(--warm); border-radius: 3px; }
.mf-modal__error[data-shown] { display: block; }
.mf-modal__error a { color: inherit; text-decoration: underline; }
@media (max-width: 480px) {
  .mf-modal__card { padding: 1.25rem; }
  .mf-modal__form { gap: 0.75rem; }
  .mf-modal__blurb { margin-bottom: 0.8rem; }
  .mf-modal__input { padding: 0.65rem 0.8rem; }
}

/* ---------- Prose pages (privacy, terms) ---------- */
.prose-page { max-width: 44rem; margin: 0 auto; padding: clamp(3rem, 8vw, 6rem) 1.5rem clamp(4rem, 8vw, 6rem); }
.prose-page .overline { font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted-strong); margin: 0 0 1rem; }
.prose-page h1 { font-family: 'Instrument Serif', serif; font-weight: 400; font-size: clamp(2.6rem, 6vw, 4rem); line-height: 1; letter-spacing: -1.5px; margin: 0 0 1rem; }
.prose-page h1 em { color: var(--muted-strong); }
.prose-page .lede { font-size: 1.1rem; line-height: 1.6; color: var(--body); margin: 0 0 2.5rem; }
.prose-page h2 { font-family: 'Instrument Serif', serif; font-weight: 400; font-size: 1.7rem; line-height: 1.2; margin: 2.6rem 0 0.8rem; }
.prose-page p, .prose-page li { font-size: 1rem; line-height: 1.75; color: var(--body); }
.prose-page p { margin: 0 0 1rem; }
.prose-page ul { list-style: disc; padding-left: 1.3rem; margin: 0 0 1rem; }
.prose-page li { margin-bottom: 0.5rem; }
.prose-page a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.prose-page .updated { font-size: 0.9rem; color: var(--muted-strong); }

/* ---------- Volume pages ---------- */
.vp { max-width: 72rem; margin: 0 auto; padding: clamp(2.5rem, 6vw, 5rem) 1.5rem clamp(3rem, 6vw, 5rem); }
.vp-crumb { font-size: 0.85rem; color: var(--muted-strong); margin: 0 0 2rem; }
.vp-crumb a { border-bottom: 1px solid rgba(0,0,0,0.25); }
.vp-grid { display: grid; grid-template-columns: 1fr; gap: 2.5rem; align-items: start; }
@media (min-width: 820px) { .vp-grid { grid-template-columns: 5fr 7fr; gap: 5rem; } }
.vp-cover img { width: min(80%, 420px); height: auto; display: block; margin: 0 auto; }
.vp-title { font-family: 'Instrument Serif', serif; font-weight: 400; font-size: clamp(3rem, 7vw, 5rem); line-height: 0.95; letter-spacing: -2px; margin: 0; }
.vp-sub { font-family: 'Instrument Serif', serif; font-style: italic; color: var(--muted-strong); font-size: clamp(1.15rem, 2vw, 1.45rem); margin: 0.6rem 0 0; }
.vp-tagline { font-size: 1.1rem; line-height: 1.55; color: var(--ink); margin: 1.6rem 0 0; }
.vp-edition { font-size: 0.85rem; letter-spacing: 0.04em; color: var(--muted-strong); margin: 1rem 0 0; }
.vp-actions { display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; align-items: center; margin: 1.8rem 0 0; }
.vp-gate { font-size: 0.88rem; color: var(--muted-strong); margin: 0.9rem 0 0; }
.vp-gate a { color: var(--ink); text-decoration: underline; text-underline-offset: 2px; }
.vp-section { border-top: 1px solid var(--rule); margin-top: clamp(3rem, 6vw, 4.5rem); padding-top: clamp(2rem, 4vw, 3rem); display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 820px) { .vp-section { grid-template-columns: 5fr 7fr; gap: 5rem; } }
.vp-section h2 { font-family: 'Instrument Serif', serif; font-style: italic; font-weight: 400; font-size: clamp(1.6rem, 3vw, 2.2rem); color: var(--muted-strong); margin: 0; line-height: 1.1; }
.vp-section p { font-size: 1.02rem; line-height: 1.75; color: var(--body); margin: 0 0 1rem; }
.vp-parts { list-style: none; margin: 0; padding: 0; counter-reset: part; }
.vp-parts li { display: grid; grid-template-columns: 3.2rem 1fr; gap: 0.2rem 1rem; padding: 1rem 0; border-bottom: 1px solid var(--rule); }
.vp-parts li:first-child { border-top: 1px solid var(--rule); }
.vp-parts .n { font-family: 'Instrument Serif', serif; font-size: 1.3rem; color: var(--warm-ink); grid-row: span 2; }
.vp-parts .t { font-weight: 500; }
.vp-parts .d { font-size: 0.93rem; line-height: 1.55; color: var(--muted-strong); }
.vp-pager { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; border-top: 1px solid var(--rule); margin-top: clamp(3rem, 6vw, 4.5rem); padding-top: 1.5rem; font-size: 0.95rem; }
.vp-pager a { border-bottom: 1px solid rgba(0,0,0,0.25); }