/* ============================================================
   PulseFable — structural sheet
   1. Type foundry
   2. Page frame
   3. Shell & vertical rhythm
   4. Topbar
   5. Opening block
   6. Reading grids
   7. Base block
   8. Narrow screens
   ============================================================ */

/* --- 1. Type foundry ---------------------------------------- */
@font-face {
  font-family: "Archivo Desk";
  src: url("../assets/fonts/archivo-display.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Source Read";
  src: url("../assets/fonts/sourcesans-text.woff2") format("woff2");
  font-weight: 400 600;
  font-style: normal;
  font-display: swap;
}

/* --- 2. Page frame ------------------------------------------ */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--pf9-sheet);
  color: var(--pf9-ink);
  font-family: var(--pf9-read);
  font-size: 17px;
  line-height: 1.62;
  overflow-x: hidden;
}

img { max-width: 100%; }

a { color: inherit; }

:focus-visible {
  outline: 3px solid var(--pf9-pulse);
  outline-offset: 3px;
}

.pf9-away {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.pf9-skip {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 40;
  background: var(--pf9-ink);
  color: var(--pf9-sheet);
  padding: 14px 20px;
  text-decoration: none;
}
.pf9-skip:focus { left: 12px; top: 12px; }

/* --- 3. Shell & vertical rhythm ----------------------------- */
.pf9-shell {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 26px;
}

.pf9-opening { padding: 58px 0 76px; }
.pf9-veins   { padding: 26px 0 104px; }
.pf9-shelf   { padding: 0 0 88px; }
.pf9-ledger  { padding: 0 0 96px; }
.pf9-desk    { padding: 0 0 118px; }

/* --- 4. Topbar ---------------------------------------------- */
.pf9-topbar {
  position: relative;
  z-index: 20;
  padding: 22px 0 10px;
}
.pf9-topbar__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.pf9-routes {
  display: flex;
  align-items: center;
  gap: 30px;
}
.pf9-routes a {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  text-decoration: none;
}
.pf9-toggle { display: none; }

/* --- 5. Opening block --------------------------------------- */
.pf9-opening__lede {
  max-width: 640px;
  margin: 34px 0 0;
}
.pf9-opening__acts {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px 30px;
  margin-top: 38px;
}
.pf9-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 46px;
  margin: 64px 0 0;
  padding: 0;
  list-style: none;
}
.pf9-strip__item {
  display: flex;
  align-items: center;
  gap: 14px;
}
.pf9-strip img {
  width: 54px;
  height: 54px;
  display: block;
}

/* --- 6. Reading grids --------------------------------------- */
.pf9-veins__split {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
  gap: 56px;
  align-items: start;
}
.pf9-veins__entry {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 0 22px;
  padding: 30px 0 0;
}
.pf9-veins__plate img {
  width: 100%;
  height: auto;
  display: block;
}

.pf9-shelf__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 46px 26px;
  margin-top: 46px;
}
.pf9-shelf__tile--wide { grid-column: 1 / -1; }
.pf9-shelf__frame {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.pf9-shelf__frame--pair {
  display: grid;
  grid-template-columns: 1.58fr 1fr;
  gap: 10px;
  aspect-ratio: 25 / 9;
}
.pf9-shelf__frame img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
.pf9-shelf__note {
  max-width: 720px;
  margin: 62px 0 0;
}

.pf9-ledger__scroll { overflow-x: auto; }
.pf9-ledger__grid {
  width: 100%;
  border-collapse: collapse;
  margin-top: 34px;
}
.pf9-ledger__grid th,
.pf9-ledger__grid td {
  text-align: left;
  vertical-align: top;
  padding: 16px 22px 16px 0;
}
.pf9-ledger__word { margin: 26px 0 0; max-width: 760px; }

.pf9-desk__split {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 48px;
  align-items: start;
  margin-top: 34px;
}
.pf9-desk__lines { margin: 0; }
.pf9-desk__lines div { padding: 11px 0; }

/* --- 7. Base block ------------------------------------------ */
.pf9-base { padding: 0 0 54px; }
.pf9-base__row {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}
.pf9-base__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}
.pf9-base__list a {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
}
.pf9-base__fine { margin: 52px 0 0; max-width: 860px; }

/* --- 8. Narrow screens -------------------------------------- */
@media (max-width: 980px) {
  .pf9-veins__split { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .pf9-veins__plate { max-width: 420px; }
  .pf9-base__row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 30px; }
}

@media (max-width: 760px) {
  .pf9-shell { padding: 0 20px; }
  .pf9-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
  }
  .pf9-routes {
    display: none;
    position: absolute;
    left: 20px;
    right: 20px;
    top: 76px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 20px 16px;
    background: var(--pf9-sheet);
    box-shadow: 0 0 0 1px var(--pf9-rule);
  }
  .pf9-routes[data-open="yes"] { display: flex; }
  .pf9-shelf__grid { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .pf9-shelf__frame--pair { grid-template-columns: minmax(0, 1fr); aspect-ratio: auto; gap: 8px; }
  .pf9-shelf__frame--pair img { aspect-ratio: 16 / 9; height: auto; }
  .pf9-veins__entry { grid-template-columns: minmax(0, 1fr); gap: 6px; }
  .pf9-desk__split { grid-template-columns: minmax(0, 1fr); gap: 34px; }
  .pf9-base__row { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .pf9-opening { padding: 34px 0 58px; }
  .pf9-veins { padding: 10px 0 76px; }
  .pf9-strip { gap: 16px 30px; margin-top: 46px; }
  .pf9-crumb { padding: 12px 0; }
  .pf9-crumb__text { font-size: 0.87rem; line-height: 1.5; }
}