/* ============================================================================
   sub.css: the shared floor for every page behind the front door.
   The front door is the split-stage experience; these are documents in the
   same voice: paper ground, ink type, one flame accent, the chop as the mark.
   ========================================================================== */

:root {
  --sc-canvas:      #F4F1EA;
  --sc-surface:     #ECE7DC;
  --sc-ink:         #16120C;
  --sc-ink-soft:    #6E6455;
  --sc-accent:      #C93415;
  --sc-accent-ink:  #F7F3EA;
  --sc-font-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --sc-font-text:    "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --sc-font-mono:    "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --sc-shadow-color: 38 30% 8%;
  --old-ground: #0C0A07;
  --old-ink:    #F2EEE6;
  --old-soft:   #A59C8E;
  --seal-red:   #C8321E;
}
.sc-display { font-weight: 800; letter-spacing: -0.025em; font-variation-settings: "wdth" 92; }

/* the divider laid on its side: every subpage carries the red line */
.top-rule { position: fixed; inset: 0 0 auto 0; height: 3px; background: var(--seal-red); z-index: 80; }

/* ------------------------------------------------------------------- bar -- */
.bar {
  position: sticky; top: 0; z-index: 70;
  display: flex; align-items: center; gap: var(--sc-6);
  padding: var(--sc-3) var(--sc-gutter);
  background: color-mix(in oklab, var(--sc-canvas) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--sc-hairline);
}
.bar-mark {
  font-family: var(--sc-font-display); font-weight: 800; font-size: 1rem;
  letter-spacing: 0.07em; text-transform: uppercase;
  text-decoration: none; color: var(--sc-ink);
}
.bar-mark b { color: var(--seal-red); }
.bar-nav { display: flex; gap: var(--sc-5); margin-left: auto; flex-wrap: wrap; }
.bar-nav a {
  font-family: var(--sc-font-mono); font-size: var(--sc-t-xs);
  letter-spacing: var(--sc-track-wide); text-transform: uppercase;
  color: var(--sc-ink-soft); text-decoration: none;
}
.bar-nav a:hover { color: var(--sc-ink); }
.bar-nav a[aria-current="page"] {
  color: var(--sc-accent);
  text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 0.4em;
}
.bar-cta {
  display: inline-block; background: var(--sc-ink); color: var(--sc-canvas);
  font-weight: 700; font-family: var(--sc-font-display); font-size: var(--sc-t-sm);
  padding: 0.55rem 1.1rem; border-radius: var(--sc-r-sm); text-decoration: none;
  transition: transform var(--sc-d-fast) var(--sc-ease-out);
}
@media (hover: hover) and (pointer: fine) { .bar-cta:hover { transform: translateY(-1px); } }
.bar-cta:active { transform: translateY(1px) scale(0.97); }

/* ------------------------------------------------------------- page head -- */
.page-head { padding: var(--sc-9) 0 var(--sc-7); }
.page-head .sc-label { display: block; margin-bottom: var(--sc-4); color: var(--sc-accent); }
.page-head h1 { max-width: 14ch; }
.page-head .lede { margin-top: var(--sc-5); }
.head-photo { margin: 0; }
.head-photo img { width: 100%; height: clamp(14rem, 38vh, 24rem); object-fit: cover; }
.head-photo figcaption {
  font-family: var(--sc-font-mono); font-size: 0.68rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--sc-ink-soft); padding-top: var(--sc-2);
}

/* ----------------------------------------------------------------- rows -- */
.row-list { border-top: 1px solid var(--sc-hairline); }
.row {
  display: grid; grid-template-columns: minmax(9rem, 16rem) 1fr;
  gap: var(--sc-4) var(--sc-7);
  padding: var(--sc-6) 0;
  border-bottom: 1px solid var(--sc-hairline);
}
.row-key {
  font-family: var(--sc-font-display); font-weight: 700; font-size: var(--sc-t-lg);
  letter-spacing: var(--sc-track-snug);
}
.row-key .n {
  display: block; font-family: var(--sc-font-mono); font-weight: 400;
  font-size: var(--sc-t-xs); letter-spacing: 0.14em; color: var(--sc-accent);
  margin-bottom: var(--sc-2);
}
.row-body p { margin: 0; max-width: var(--sc-measure); color: var(--sc-ink-soft); text-wrap: pretty; }
.row-body p + p { margin-top: var(--sc-3); }
.row-body .strong { color: var(--sc-ink); }

/* ---------------------------------------------------------------- pricing -- */
.tier { padding: var(--sc-7) 0; border-bottom: 1px solid var(--sc-hairline); }
.tier-top { display: flex; align-items: baseline; gap: var(--sc-5); flex-wrap: wrap; }
.tier-name { font-family: var(--sc-font-display); font-weight: 800; font-size: var(--sc-t-xl); letter-spacing: 0.02em; }
.tier-price { font-family: var(--sc-font-display); font-weight: 700; font-size: var(--sc-t-xl); color: var(--sc-accent); }
.tier-price small { font-family: var(--sc-font-text); font-weight: 400; font-size: var(--sc-t-sm); color: var(--sc-ink-soft); }
.tier-tag {
  font-family: var(--sc-font-mono); font-size: var(--sc-t-xs); letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--sc-accent-ink); background: var(--sc-accent);
  padding: 0.2rem 0.55rem; border-radius: var(--sc-r-sm);
}
.tier-sub { margin: var(--sc-3) 0 0; color: var(--sc-ink-soft); max-width: 52ch; }
.tier-cols { display: grid; grid-template-columns: 1fr auto; gap: var(--sc-6); margin-top: var(--sc-5); align-items: start; }
.tier ul { margin: 0; padding: 0; list-style: none; max-width: 60ch; }
.tier li { padding: 0.45rem 0 0.45rem 1.4rem; position: relative; color: var(--sc-ink-soft); }
.tier li::before { content: ""; position: absolute; left: 0; top: 1.05em; width: 0.6rem; height: 2px; background: var(--sc-accent); }
.tier li.not { color: color-mix(in oklab, var(--sc-ink-soft) 62%, transparent); }
.tier li.not::before { background: var(--sc-hairline-strong); }
.tier-meta { text-align: right; font-family: var(--sc-font-mono); font-size: var(--sc-t-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--sc-ink-soft); display: grid; gap: var(--sc-2); }
.tier-meta b { display: block; font-family: var(--sc-font-display); font-size: var(--sc-t-xl); color: var(--sc-ink); letter-spacing: 0; }

/* ------------------------------------------------------------------ work -- */
.lang { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sc-6); align-items: center; padding: var(--sc-7) 0; border-bottom: 1px solid var(--sc-hairline); }
.lang:nth-child(even) figure { order: 2; }
.lang figure { margin: 0; }
.lang video { width: 100%; height: auto; border-radius: var(--sc-r-sm); box-shadow: var(--sc-e2); }
.lang h2 { font-size: var(--sc-t-xl); margin: 0 0 var(--sc-3); }
.lang p { margin: 0; max-width: 40ch; color: var(--sc-ink-soft); }

/* ----------------------------------------------------------------- close -- */
.sub-close { padding: var(--sc-9) 0; text-align: left; }
.sub-close h2 { max-width: 16ch; }
.sub-close .sc-body { margin-top: var(--sc-4); }
.cta {
  display: inline-block; margin-top: var(--sc-6);
  background: var(--sc-ink); color: var(--sc-canvas);
  font-weight: 700; font-family: var(--sc-font-display);
  padding: 1rem 1.8rem; border-radius: var(--sc-r-sm);
  text-decoration: none; box-shadow: var(--sc-e2), var(--sc-edge);
  transition: transform var(--sc-d-fast) var(--sc-ease-out), box-shadow var(--sc-d-fast) var(--sc-ease-out);
}
@media (hover: hover) and (pointer: fine) { .cta:hover { transform: translateY(-2px); box-shadow: var(--sc-e3); } }
.cta:active { transform: translateY(1px) scale(0.97); }

.foot {
  display: flex; flex-wrap: wrap; gap: var(--sc-2) var(--sc-6);
  align-items: baseline; justify-content: space-between;
  padding: var(--sc-5) var(--sc-gutter);
  border-top: 1px solid var(--sc-hairline);
  font-size: var(--sc-t-sm); color: var(--sc-ink-soft);
}
.foot a { color: inherit; }
.foot .fm { font-family: var(--sc-font-display); font-weight: 800; color: var(--sc-ink); letter-spacing: 0.06em; }

/* the small chop, stamped beside a page's last word */
.mini-chop { width: 5.5rem; height: 5.5rem; color: var(--seal-red); opacity: 0.85; transform: rotate(-8deg); }

/* --------------------------------------------------------------- mobile -- */
@media (max-width: 860px) {
  .bar { gap: var(--sc-3); }
  .bar-nav { gap: var(--sc-3); }
  .bar-cta { display: none; }
  .row { grid-template-columns: 1fr; gap: var(--sc-2); }
  .tier-cols { grid-template-columns: 1fr; }
  .tier-meta { text-align: left; grid-auto-flow: column; justify-content: start; gap: var(--sc-6); }
  .lang { grid-template-columns: 1fr; }
  .lang:nth-child(even) figure { order: 0; }
  .page-head { padding-top: var(--sc-7); }
}

/* ------------------------------------------------ pricing, side by side -- */
.tiers { border-top: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--sc-5); padding: var(--sc-7) 0 var(--sc-6); align-items: stretch; }
.tiers .tier { position: relative; display: flex; flex-direction: column; padding: var(--sc-6) var(--sc-5); border: 1px solid var(--sc-hairline-strong); background: var(--sc-surface); }
.tiers .tier--featured { border-color: var(--sc-accent); box-shadow: inset 0 0 0 1px var(--sc-accent); }
.tiers .tier-tag { position: absolute; top: 0; left: 50%; transform: translate(-50%, -50%); white-space: nowrap; border-radius: 0; padding: 0.35rem 0.9rem; }
.tiers .tier-top { flex-direction: column; align-items: flex-start; gap: var(--sc-1); }
.tiers .tier-name { font-size: var(--sc-t-lg); letter-spacing: 0.08em; }
.tiers .tier-price { font-family: var(--sc-font-mono); font-weight: 500; font-size: var(--sc-t-2xl); letter-spacing: -0.02em; }
.tiers .tier-price small { font-family: var(--sc-font-mono); font-size: var(--sc-t-lg); margin-right: 0.35em; }
.tiers .tier-sub { min-height: 3.2em; }
.tiers .tier-cols { grid-template-columns: 1fr; flex: 1; }
.tiers .tier ul { max-width: none; }
.tiers .tier li { font-size: var(--sc-t-sm); }
.tiers .tier-meta { text-align: left; grid-template-columns: 1fr 1fr; margin-top: var(--sc-5); padding-top: var(--sc-4); border-top: 1px solid var(--sc-hairline); }
@media (max-width: 960px) {
  .tiers { grid-template-columns: 1fr; }
  .tiers .tier-sub { min-height: 0; }
}
.bar-mark { white-space: nowrap; }
@media (max-width: 640px) { .bar { gap: var(--sc-3); } .bar-mark { font-size: 0.85rem; letter-spacing: 0.05em; } }

/* -------------------------------------------------------- tap targets -- */
/* 44px hit areas without moving a pixel of layout: the padding grows the box,
   the negative margin gives the space straight back. (QA gate: tap-target) */
.bar-nav a, .bar-mark, .foot a, .lang-link { display: inline-block; padding: 0.75rem 0.625rem; margin: -0.75rem -0.625rem; }

/* --------------------------------------------------- live showcase links -- */
.lang-see { margin-top: var(--sc-4); }
.lang-link {
  font-family: var(--sc-font-mono); font-size: var(--sc-t-xs);
  letter-spacing: var(--sc-track-wide); text-transform: uppercase;
  color: var(--sc-accent); text-decoration: underline;
  text-decoration-thickness: 2px; text-underline-offset: 0.4em;
}