/* ==========================================================
   OMNIX// — verticals.css  (FILE 02 — THE FIELDS)
   Five DELIBERATELY DISTINCT chapter layouts. Mobile-first.
   ========================================================== */

.chapter {
  max-width: var(--container);
  margin-inline: auto;
  padding: clamp(64px, 11vw, 150px) var(--pad-x);
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--nav-h) + 16px);
}
.chapter__margin { margin-bottom: var(--s-5); }
.chapter__name { line-height: 0.96; }
.chapter__name em { color: var(--bone); font-variation-settings: 'opsz' 72, 'wght' 400; }
.chapter__lede { margin-top: var(--s-5); max-width: 60ch; }
.chapter__body { margin-top: var(--s-6); }

/* shared stat ledger */
.v-stats { display: grid; grid-template-columns: 1fr; gap: var(--s-5); margin-top: var(--s-8); border-top: 1px solid var(--line); padding-top: var(--s-6); }
.v-stats dt { font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.2em; color: var(--mist); margin-bottom: var(--s-3); }
.v-stats dd { font-family: var(--mono); font-weight: 700; font-size: clamp(1.7rem, 3.2vw, 2.5rem); color: var(--paper); font-variant-numeric: tabular-nums; }
@media (min-width: 620px) { .v-stats { grid-template-columns: repeat(3, 1fr); } }

/* shared tag index (keyword run, slash-separated — not pills) */
.v-tags { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-4); margin-top: var(--s-7); list-style: none; }
.v-tags li { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--mist); }
.v-tags li:not(:last-child)::after { content: '/'; margin-left: var(--s-4); color: var(--faint); }
.v-tags li.hot { color: var(--spot); }

/* shared dominant numeral */
.v-dom__num { font-family: var(--serif); font-variation-settings: 'opsz' 144, 'wght' 900; color: var(--spot); line-height: 0.8; letter-spacing: -0.03em; display: block; }

/* ---------- 01 E-COMMERCE: wide editorial + tag run ---------- */
.chapter--ecom .chapter__lede { max-width: 72ch; }
.v-tags--run { gap: var(--s-5); margin-top: var(--s-8); }
.v-tags--run li { font-size: 12px; }
.v-tags--run li.hot { font-size: clamp(15px, 2.4vw, 22px); font-weight: 700; }
@media (min-width: 760px) {
  .chapter--ecom .chapter__body { column-count: 2; column-gap: clamp(40px, 5vw, 80px); }
  .chapter--ecom .chapter__body p + p { margin-top: 0; }
}

/* ---------- 02 SAAS: big 4× pull-stat, left-weighted ---------- */
.chapter__pull { margin-bottom: var(--s-7); }
.v-big { font-family: var(--serif); font-variation-settings: 'opsz' 144, 'wght' 900; font-size: clamp(6rem, 22vw, 15rem); line-height: 0.78; color: var(--spot); letter-spacing: -0.04em; display: block; }
.v-big__cap { display: block; max-width: 22ch; margin-top: var(--s-4); font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--mist); }
@media (min-width: 900px) {
  .chapter--saas { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
  .chapter--saas .chapter__pull { margin-bottom: 0; position: sticky; top: calc(var(--nav-h) + 32px); }
}

/* ---------- 03 FINANCE: page-dominating $210 ---------- */
.chapter--fin .chapter__hero { display: grid; gap: var(--s-4); align-items: end; }
.chapter--fin .v-dom__num { font-size: clamp(4.5rem, 17vw, 14rem); }
.v-stats--3 .lead dd { color: var(--spot); }
@media (min-width: 820px) {
  .chapter--fin .chapter__hero { grid-template-columns: 1fr auto; gap: var(--s-7); }
  .chapter--fin .chapter__lede { max-width: 64ch; }
  .chapter--fin .chapter__body { column-count: 2; column-gap: clamp(40px, 5vw, 80px); }
  .chapter--fin .chapter__body p + p { margin-top: 0; }
}

/* ---------- 04 TRAVEL: right rail, oversized booking value ---------- */
.chapter__rail { margin-top: var(--s-7); display: flex; flex-direction: column; gap: var(--s-3); border-top: 1px solid var(--line-2); padding-top: var(--s-5); }
.chapter__rail .v-dom__num { font-size: clamp(3rem, 9vw, 5.5rem); }
.v-rail__cap { font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--bone); }
.v-rail__note { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; color: var(--mist); max-width: 24ch; }
.v-stats--travel { margin-top: var(--s-8); }
@media (min-width: 900px) {
  .chapter--travel { display: grid; grid-template-columns: 1.45fr 0.55fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
  .chapter__rail { margin-top: 0; border-top: 0; border-left: 1px solid var(--line-2); padding-top: 0; padding-left: var(--s-6); position: sticky; top: calc(var(--nav-h) + 32px); }
  .v-stats--travel { grid-column: 1 / -1; }
}

/* ---------- 05 EDUCATION: centered, 41% ring ---------- */
.chapter--edu .chapter__center { max-width: 760px; margin-inline: auto; text-align: center; }
.chapter--edu .chapter__margin { text-align: center; }
.chapter--edu .file-label { justify-content: center; }
.chapter--edu .chapter__lede { margin-inline: auto; }
.chapter--edu .chapter__body { text-align: left; max-width: 64ch; margin-inline: auto; }
.v-ring {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--s-3);
  width: clamp(190px, 44vw, 260px);
  aspect-ratio: 1;
  margin: var(--s-8) auto;
  border: 1px solid var(--line-2);
  border-radius: 50%;
  padding: var(--s-5);
}
.v-ring::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: var(--spot);
  border-right-color: var(--spot);
  transform: rotate(28deg);
}
.v-ring__num { font-family: var(--serif); font-variation-settings: 'opsz' 144, 'wght' 900; font-size: clamp(3rem, 9vw, 4.5rem); color: var(--spot); line-height: 1; }
.v-ring__cap { font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--mist); max-width: 20ch; }
.v-stats--center { justify-items: center; text-align: center; }
.v-tags--center { justify-content: center; }

/* ---------- CLOSING CTA ---------- */
.v-cta {
  max-width: var(--container);
  margin-inline: auto;
  padding: clamp(80px, 13vw, 170px) var(--pad-x);
  border-top: 1px solid var(--line);
  text-align: center;
}
.v-cta h2 { margin-bottom: var(--s-6); }
.v-cta .lede { margin: 0 auto var(--s-7); }
.v-cta .btn { margin-inline: auto; }