/* ============================================================
   ARAM IAS — Option B: Chaptered Story
   Design language: squared geometry, hairline-divided grids,
   letterspaced micro-labels, one disciplined accent (terracotta).
   Additive only — main.css is untouched.
   ============================================================ */

:root {
  --ob-navy: #25324B;
  --ob-navy-deep: #1B2539;
  --ob-navy-ink: #141C2C;
  --ob-accent: #CA664F;
  --ob-accent-soft: #EEE3D7;
  --ob-teal: #2E6B8F;
  --ob-cream: #F7F5F0;
  --ob-line: #DCD8D0;
  --ob-line-dark: rgba(255, 255, 255, .16);
  --ob-micro: 10px;
}

/* ---------- Base rhythm ---------- */
.ob-section { padding: 68px 0; position: relative; }
.ob-section-tight { padding: 40px 0; }
.ob-band { padding: 26px 0; }
.ob-navy-bg { background: var(--ob-navy); color: #fff; }
.ob-ink-bg { background: var(--ob-navy-ink); color: #fff; }
.ob-cream-bg { background: var(--ob-cream); }
.ob-white-bg { background: #fff; }

/* ---------- Micro-labels ---------- */
.ob-micro {
  font-size: var(--ob-micro);
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--fg-subtle);
  margin: 0;
}
.ob-navy-bg .ob-micro,
.ob-ink-bg .ob-micro { color: rgba(255, 255, 255, .52); }

/* ---------- Chapter heads ---------- */
.ob-chapter-head { margin-bottom: 38px; }
.ob-chapter-tag { display: flex; align-items: baseline; gap: 12px; margin-bottom: 18px; }
.ob-chapter-num {
  font-family: var(--font-sans);
  font-size: 40px;
  font-weight: 800;
  line-height: 1;
  color: var(--ob-accent);
  letter-spacing: -.03em;
}
.ob-chapter-name {
  font-size: var(--ob-micro);
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--fg-subtle);
}
.ob-navy-bg .ob-chapter-name,
.ob-ink-bg .ob-chapter-name { color: rgba(255, 255, 255, .5); }

.ob-h2 {
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.04;
  letter-spacing: -.035em;
  font-weight: 800;
  text-transform: uppercase;
  margin: 0;
  max-width: 24ch;
}
.ob-h2 .hl { color: var(--ob-accent); }
.ob-navy-bg .ob-h2, .ob-ink-bg .ob-h2 { color: #fff; }

/* Two-column header: title left, support right */
.ob-head-split {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: 40px;
  align-items: end;
}
.ob-head-split .ob-support {
  font-size: 15px;
  color: var(--fg-muted);
  margin: 0;
  padding-bottom: 6px;
}
.ob-navy-bg .ob-support, .ob-ink-bg .ob-support { color: rgba(255, 255, 255, .66); }

/* ---------- Line-by-line headline wipe ---------- */
.ob-line-wrap { display: block; overflow: hidden; }
.ob-line-wrap > span {
  display: block;
  transform: translateY(105%);
  transition: transform 760ms cubic-bezier(.16, 1, .3, 1);
}
.ob-reveal.is-in .ob-line-wrap > span { transform: translateY(0); }
.ob-reveal.is-in .ob-line-wrap:nth-child(2) > span { transition-delay: 90ms; }
.ob-reveal.is-in .ob-line-wrap:nth-child(3) > span { transition-delay: 180ms; }

/* ---------- Generic reveal ---------- */
.ob-reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s cubic-bezier(.16, 1, .3, 1); }
.ob-reveal.is-in { opacity: 1; transform: none; }

/* ---------- Chapter rail ---------- */
.ob-rail {
  position: fixed;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.ob-rail button {
  display: flex;
  align-items: center;
  gap: 9px;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  color: var(--fg-subtle);
}
.ob-rail i {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--border-strong);
  transition: width .3s ease, background .3s ease;
}
.ob-rail span {
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity .3s ease, transform .3s ease;
  white-space: nowrap;
}
.ob-rail button:hover i { width: 26px; }
.ob-rail button:hover span { opacity: .7; transform: none; }
.ob-rail button.is-active i { width: 30px; background: var(--ob-accent); }
.ob-rail button.is-active span { opacity: 1; transform: none; color: var(--ob-accent); }
.ob-rail.on-dark i { background: rgba(255, 255, 255, .3); }
.ob-rail.on-dark button.is-active i { background: var(--ob-accent); }
@media (max-width: 1180px) { .ob-rail { display: none; } }

/* ---------- HERO ---------- */
.ob-hero {
  background:
    radial-gradient(1100px 520px at 78% 18%, rgba(202, 102, 79, .22), transparent 60%),
    linear-gradient(160deg, #26334C 0%, #1B2539 58%, #141C2C 100%);
  color: #fff;
  padding: 92px 0 0;
  position: relative;
  overflow: hidden;
}
.ob-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  gap: 54px;
  align-items: center;
}
.ob-hero h1 {
  font-size: clamp(38px, 5.4vw, 76px);
  line-height: 1.02;
  letter-spacing: -.04em;
  font-weight: 800;
  margin: 18px 0 22px;
  text-transform: uppercase;
}
.ob-hero h1 .hl { color: var(--ob-accent); }
.ob-hero h1 em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  text-transform: none;
  letter-spacing: -.02em;
}
.ob-hero .ob-lead {
  font-size: 16px;
  line-height: 1.6;
  color: rgba(255, 255, 255, .74);
  max-width: 48ch;
  margin: 0 0 30px;
}
.ob-cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.ob-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 50px;
  padding: 0 26px;
  border-radius: 2px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.ob-btn-solid { background: var(--ob-accent); color: #fff; border-color: var(--ob-accent); }
.ob-btn-solid:hover { transform: translateY(-2px); background: #b85942; }
.ob-btn-ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .34); }
.ob-btn-ghost:hover { border-color: #fff; transform: translateY(-2px); }
.ob-btn-dark { background: var(--ob-navy); color: #fff; border-color: var(--ob-navy); }
.ob-btn-dark:hover { transform: translateY(-2px); background: var(--ob-navy-deep); }
.ob-btn-outline { background: transparent; color: var(--ob-navy); border-color: var(--border-strong); }
.ob-btn-outline:hover { border-color: var(--ob-navy); transform: translateY(-2px); }

/* Hero media + frosted stats */
.ob-hero-media { position: relative; }
.ob-hero-media img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: 2px;
  filter: saturate(.92) contrast(1.04);
}
.ob-hero-stats {
  margin-top: -58px;
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: rgba(255, 255, 255, .1);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 2px;
}
.ob-hero-stats div { padding: 20px 18px; }
.ob-hero-stats div + div { border-left: 1px solid rgba(255, 255, 255, .18); }
.ob-hero-stats strong {
  display: block;
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--ob-accent);
  line-height: 1;
}
.ob-hero-stats span {
  display: block;
  margin-top: 8px;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .62);
}

/* Hero live bar */
.ob-hero-live {
  margin-top: 34px;
  border-top: 1px solid rgba(255, 255, 255, .14);
  padding: 16px 0 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  align-items: center;
  font-size: 12px;
  color: rgba(255, 255, 255, .7);
}
.ob-pulse { display: inline-flex; align-items: center; gap: 8px; }
.ob-pulse i {
  width: 7px; height: 7px; border-radius: 50%;
  background: #5fbf8f; box-shadow: 0 0 0 0 rgba(95, 191, 143, .7);
  animation: obPulse 2s infinite;
}
@keyframes obPulse {
  0% { box-shadow: 0 0 0 0 rgba(95, 191, 143, .6); }
  70% { box-shadow: 0 0 0 9px rgba(95, 191, 143, 0); }
  100% { box-shadow: 0 0 0 0 rgba(95, 191, 143, 0); }
}
.ob-hero-live b { color: #fff; font-weight: 700; }

/* ---------- FIND MY PATH ---------- */
.ob-path-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--ob-line);
  border-radius: 2px;
  background: #fff;
  overflow: hidden;
}
.ob-path-card {
  text-align: left;
  background: #fff;
  border: 0;
  border-left: 1px solid var(--ob-line);
  padding: 26px 22px 24px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 11px;
  min-height: 210px;
  position: relative;
  transition: background .22s ease, transform .22s ease;
}
.ob-path-card:first-child { border-left: 0; }
.ob-path-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--pc, var(--ob-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.ob-path-card:hover::before,
.ob-path-card.is-picked::before { transform: scaleX(1); }
.ob-path-card:hover { background: #FBFAF8; }
.ob-path-card.is-picked { background: #FBF7F4; }
.ob-path-ico {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border: 1px solid var(--pc, var(--ob-accent));
  color: var(--pc, var(--ob-accent));
  border-radius: 2px;
  font-size: 15px;
}
.ob-path-card h3 { font-size: 17px; margin: 0; line-height: 1.22; letter-spacing: -.01em; }
.ob-path-card p { font-size: 13px; color: var(--fg-muted); margin: 0; }
.ob-path-card .ob-go {
  margin-top: auto;
  font-size: var(--ob-micro);
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--pc, var(--ob-accent));
}

.ob-path-result {
  margin-top: 0;
  border: 1px solid var(--ob-line);
  border-top: 0;
  background: #fff;
  padding: 26px 24px;
  display: none;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 26px;
  align-items: center;
}
.ob-path-result.is-on { display: grid; animation: obFade .4s ease; }
@keyframes obFade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.ob-path-result h4 { margin: 8px 0 8px; font-size: 22px; letter-spacing: -.02em; }
.ob-path-result p { margin: 0; font-size: 14px; color: var(--fg-muted); max-width: 62ch; }
.ob-result-meta { display: flex; gap: 20px; margin-top: 14px; flex-wrap: wrap; }
.ob-result-meta div { font-size: 12px; color: var(--fg-muted); }
.ob-result-meta b { display: block; color: var(--fg-base); font-size: 15px; font-weight: 700; }

/* ---------- HAIRLINE GRID (problem cells) ---------- */
.ob-hair-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--ob-line-dark);
  border-radius: 2px;
}
.ob-hair-cell {
  padding: 26px 24px 28px;
  border-right: 1px solid var(--ob-line-dark);
  border-bottom: 1px solid var(--ob-line-dark);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .5s ease, transform .5s cubic-bezier(.16, 1, .3, 1);
}
.ob-hair-grid.is-in .ob-hair-cell { opacity: 1; transform: none; }
.ob-hair-grid.is-in .ob-hair-cell:nth-child(1) { transition-delay: 0ms; }
.ob-hair-grid.is-in .ob-hair-cell:nth-child(2) { transition-delay: 70ms; }
.ob-hair-grid.is-in .ob-hair-cell:nth-child(3) { transition-delay: 140ms; }
.ob-hair-grid.is-in .ob-hair-cell:nth-child(4) { transition-delay: 210ms; }
.ob-hair-grid.is-in .ob-hair-cell:nth-child(5) { transition-delay: 280ms; }
.ob-hair-grid.is-in .ob-hair-cell:nth-child(6) { transition-delay: 350ms; }
.ob-hair-cell:nth-child(3n) { border-right: 0; }
.ob-hair-cell:nth-last-child(-n+3) { border-bottom: 0; }
.ob-hair-ico { margin-bottom: 20px; color: var(--ob-accent); }
.ob-hair-cell strong {
  display: block;
  font-size: 16px;
  line-height: 1.3;
  margin-bottom: 7px;
  color: #fff;
}
.ob-hair-cell em {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13.5px;
  color: rgba(255, 255, 255, .56);
}

/* ---------- STOP-POINT CHART ---------- */
.ob-chart {
  background: #fff;
  border: 1px solid var(--ob-line);
  border-radius: 2px;
  padding: 24px 26px 20px;
  color: var(--fg-base);
}
.ob-chart-row { margin-top: 18px; }
.ob-chart-row > .ob-micro { margin-bottom: 7px; }
.ob-track { position: relative; height: 12px; background: var(--bg-subtle); border-radius: 1px; }
.ob-fill {
  position: absolute; inset: 0 auto 0 0;
  width: 0;
  border-radius: 1px;
  transition: width 1.1s cubic-bezier(.16, 1, .3, 1);
}
.ob-fill-grey { background: #B9B5AD; }
.ob-fill-accent { background: var(--ob-accent); }
.ob-chart.is-in .ob-fill-grey { width: 46%; }
.ob-chart.is-in .ob-fill-accent { width: 100%; }
.ob-stop {
  position: absolute;
  left: 46%;
  top: -11px;
  bottom: -11px;
  width: 2px;
  background: var(--fg-base);
  opacity: 0;
  transition: opacity .4s ease .9s;
}
.ob-chart.is-in .ob-stop { opacity: 1; }
.ob-stop span {
  position: absolute;
  bottom: calc(100% + 5px);
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.ob-axis {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 4px;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border-soft);
}
.ob-axis span {
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--fg-subtle);
  text-align: center;
  line-height: 1.3;
}
.ob-axis span.is-aram { color: var(--ob-accent); }
.ob-legend { display: flex; gap: 20px; margin-top: 16px; }
.ob-legend span { display: inline-flex; align-items: center; gap: 7px; font-size: 11px; color: var(--fg-muted); }
.ob-legend i { width: 18px; height: 3px; display: inline-block; }

/* ---------- ASYMMETRY (1 vs 8) ---------- */
.ob-asym { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 54px; align-items: start; }
.ob-filled-bar {
  background: var(--ob-accent);
  color: #fff;
  padding: 15px 18px;
  border-radius: 2px;
  font-size: var(--ob-micro);
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.ob-pill-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin-top: 12px; }
.ob-pill {
  border: 1px solid var(--ob-line);
  background: #fff;
  border-radius: 2px;
  padding: 14px 15px;
  font-size: var(--ob-micro);
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .42s ease, transform .42s ease;
}
.ob-pill-grid.is-in .ob-pill { opacity: 1; transform: none; }
.ob-pill-grid.is-in .ob-pill:nth-child(1) { transition-delay: 60ms; }
.ob-pill-grid.is-in .ob-pill:nth-child(2) { transition-delay: 130ms; }
.ob-pill-grid.is-in .ob-pill:nth-child(3) { transition-delay: 200ms; }
.ob-pill-grid.is-in .ob-pill:nth-child(4) { transition-delay: 270ms; }
.ob-pill-grid.is-in .ob-pill:nth-child(5) { transition-delay: 340ms; }
.ob-pill-grid.is-in .ob-pill:nth-child(6) { transition-delay: 410ms; }
.ob-pill-grid.is-in .ob-pill:nth-child(7) { transition-delay: 480ms; }
.ob-pill-grid.is-in .ob-pill:nth-child(8) { transition-delay: 550ms; }
.ob-asym-note {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 15px;
  color: var(--fg-muted);
  margin: 22px 0 0;
  max-width: 54ch;
}

/* ---------- RING (answer loop) ---------- */
.ob-ring-wrap { display: grid; place-items: center; min-height: 420px; position: relative; }
.ob-ring {
  width: 330px; height: 330px;
  border: 1.5px solid var(--ob-accent);
  border-radius: 50%;
  position: relative;
}
.ob-ring-core {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  background: var(--ob-accent); color: #fff;
  padding: 12px 16px; border-radius: 2px; text-align: center;
  font-size: 9px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; line-height: 1.5;
}
.ob-node {
  position: absolute;
  background: #fff;
  border: 1px solid var(--ob-line);
  border-radius: 2px;
  padding: 8px 11px;
  font-size: 9px; font-weight: 800; letter-spacing: .11em; text-transform: uppercase;
  white-space: nowrap;
  cursor: default;
  transition: border-color .2s ease, color .2s ease, transform .2s ease;
}
.ob-node:hover { border-color: var(--ob-accent); color: var(--ob-accent); transform: scale(1.06); }
.ob-node[data-owner]:hover::after {
  content: attr(data-owner);
  position: absolute; left: 50%; top: calc(100% + 7px); transform: translateX(-50%);
  background: var(--ob-navy); color: #fff;
  padding: 5px 9px; border-radius: 2px; letter-spacing: .06em; font-size: 8.5px;
}
.ob-node-n1 { top: -15px; left: 50%; transform: translateX(-50%); }
.ob-node-n2 { top: 21%; right: -62px; }
.ob-node-n3 { bottom: 21%; right: -62px; }
.ob-node-n4 { bottom: -15px; left: 50%; transform: translateX(-50%); }
.ob-node-n5 { bottom: 21%; left: -62px; }
.ob-node-n6 { top: 21%; left: -62px; }
.ob-orbit {
  position: absolute; inset: 0;
  animation: obSpin 14s linear infinite;
}
.ob-orbit i {
  position: absolute; top: -6px; left: 50%;
  width: 11px; height: 11px; margin-left: -5.5px;
  background: var(--ob-accent); border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(202, 102, 79, .18);
}
@keyframes obSpin { to { transform: rotate(360deg); } }

/* ---------- STEPPER (how it works) ---------- */
.ob-stepper { position: relative; margin-bottom: 30px; }
.ob-stepper-line {
  position: absolute; left: 0; right: 0; top: 13px; height: 1px;
  background: rgba(255, 255, 255, .22);
}
.ob-stepper-line i {
  position: absolute; inset: 0 auto 0 0; width: 0; background: var(--ob-accent);
  transition: width 1.3s cubic-bezier(.16, 1, .3, 1);
}
.ob-stepper.is-in .ob-stepper-line i { width: 100%; }
.ob-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; position: relative; }
.ob-step-chip {
  width: 28px; height: 28px;
  display: grid; place-items: center;
  background: var(--ob-accent); color: #fff;
  font-size: 10px; font-weight: 800; letter-spacing: .06em;
  border-radius: 2px;
  opacity: 0; transform: scale(.7);
  transition: opacity .34s ease, transform .34s ease;
}
.ob-stepper.is-in .ob-step-chip { opacity: 1; transform: none; }
.ob-stepper.is-in .ob-steps > div:nth-child(1) .ob-step-chip { transition-delay: 160ms; }
.ob-stepper.is-in .ob-steps > div:nth-child(2) .ob-step-chip { transition-delay: 460ms; }
.ob-stepper.is-in .ob-steps > div:nth-child(3) .ob-step-chip { transition-delay: 760ms; }
.ob-stepper.is-in .ob-steps > div:nth-child(4) .ob-step-chip { transition-delay: 1060ms; }
.ob-steps .ob-micro { margin-top: 12px; }

.ob-flow-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; }
.ob-flow-card { position: relative; background: var(--ob-navy-deep); overflow: hidden; }
.ob-flow-card img { width: 100%; height: 190px; object-fit: cover; opacity: .82; transition: transform .5s ease, opacity .3s ease; }
.ob-flow-card:hover img { transform: scale(1.05); opacity: 1; }
.ob-flow-num {
  position: absolute; top: 0; left: 0;
  background: var(--ob-accent); color: #fff;
  width: 30px; height: 26px; display: grid; place-items: center;
  font-size: 10px; font-weight: 800;
}
.ob-flow-body { padding: 18px 18px 22px; }
.ob-flow-body h3 { font-size: 15px; margin: 0 0 7px; text-transform: uppercase; letter-spacing: .02em; color: #fff; }
.ob-flow-body p { font-size: 12.5px; color: rgba(255, 255, 255, .62); margin: 0; }
.ob-flow-artifact {
  margin-top: 13px; padding-top: 11px;
  border-top: 1px solid var(--ob-line-dark);
  font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ob-accent);
}

/* ---------- SPLIT FORK ---------- */
.ob-fork { display: grid; grid-template-columns: 1fr 1fr; }
.ob-fork > div { padding: 54px 44px; }
.ob-fork-left { background: var(--ob-cream); }
.ob-fork-right { background: var(--ob-navy); color: #fff; }
.ob-fork h3 { font-size: 26px; letter-spacing: -.025em; margin: 14px 0 10px; text-transform: uppercase; }
.ob-fork p { font-size: 14px; color: var(--fg-muted); margin: 0 0 20px; }
.ob-fork-right p { color: rgba(255, 255, 255, .68); }
.ob-fork ul { list-style: none; padding: 0; margin: 0 0 24px; }
.ob-fork li {
  font-size: 13px; padding: 10px 0;
  border-bottom: 1px solid var(--border-soft);
  display: flex; gap: 10px; align-items: center;
}
.ob-fork-right li { border-color: var(--ob-line-dark); color: rgba(255, 255, 255, .8); }
.ob-fork li::before { content: "—"; color: var(--ob-accent); font-weight: 700; }

/* ---------- ARAM AI 3-state ---------- */
.ob-ai { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 50px; align-items: center; }
.ob-ai-panel {
  background: #0F1623;
  border: 1px solid rgba(255, 255, 255, .13);
  border-radius: 3px;
  padding: 20px;
}
.ob-ai-head { display: flex; align-items: center; gap: 10px; padding-bottom: 14px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.ob-ai-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ob-accent); }
.ob-ai-head strong { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: #fff; font-weight: 800; }
.ob-ai-head small { margin-left: auto; font-size: 10px; color: rgba(255, 255, 255, .4); letter-spacing: .08em; text-transform: uppercase; }
.ob-ai-stage { padding: 18px 2px 4px; }
.ob-ai-stage-item { display: none; }
.ob-ai-stage-item.is-on { display: block; animation: obFade .45s ease; }
.ob-ai-kicker { font-size: 9px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--ob-accent); }
.ob-ai-stage h4 { color: #fff; font-size: 19px; margin: 9px 0 8px; letter-spacing: -.01em; }
.ob-ai-stage p { color: rgba(255, 255, 255, .62); font-size: 13px; margin: 0; }
.ob-ai-bars { margin-top: 16px; display: grid; gap: 9px; }
.ob-ai-bar { display: grid; grid-template-columns: 92px 1fr 34px; gap: 10px; align-items: center; font-size: 10px; color: rgba(255, 255, 255, .55); letter-spacing: .06em; text-transform: uppercase; }
.ob-ai-bar u { text-decoration: none; }
.ob-ai-bar div { height: 6px; background: rgba(255, 255, 255, .12); border-radius: 1px; overflow: hidden; }
.ob-ai-bar div i { display: block; height: 100%; background: var(--ob-accent); }
.ob-ai-task {
  margin-top: 16px; padding: 14px;
  border: 1px dashed rgba(202, 102, 79, .5);
  border-radius: 2px;
  color: #fff; font-size: 13px;
}
.ob-ai-task b { color: var(--ob-accent); }
.ob-ai-steps { display: flex; gap: 7px; margin-top: 18px; }
.ob-ai-steps button {
  flex: 1; height: 3px; border: 0; padding: 0; cursor: pointer;
  background: rgba(255, 255, 255, .16);
  transition: background .25s ease;
}
.ob-ai-steps button.is-on { background: var(--ob-accent); }

/* ---------- MODULES (hover expand) ---------- */
.ob-mod-grid { border-top: 1px solid var(--ob-line); }
.ob-mod {
  display: grid;
  grid-template-columns: 54px minmax(0, 240px) minmax(0, 1fr) auto auto;
  gap: 24px;
  align-items: center;
  padding: 22px 6px;
  border-bottom: 1px solid var(--ob-line);
  cursor: pointer;
  transition: background .22s ease, padding .22s ease;
}
.ob-mod:hover { background: #fff; padding-left: 16px; padding-right: 16px; }
.ob-mod-num { font-size: 15px; font-weight: 800; color: var(--ob-accent); letter-spacing: .04em; }
.ob-mod h3 { font-size: 19px; margin: 0; letter-spacing: -.015em; }
.ob-mod > p { font-size: 13.5px; color: var(--fg-muted); margin: 0; }
.ob-mod-meta {
  display: flex; gap: 18px; align-items: center;
  max-width: 0; overflow: hidden; opacity: 0;
  transition: max-width .4s ease, opacity .3s ease;
}
.ob-mod:hover .ob-mod-meta { max-width: 420px; opacity: 1; }
.ob-mod-meta div,
.ob-mod-meta-i { white-space: nowrap; display: block; }
.ob-mod-meta b { display: block; font-size: 14px; letter-spacing: -.01em; }
.ob-mod-meta .ob-micro { display: block; margin-top: 2px; }
.ob-mod-arrow { color: var(--ob-accent); font-weight: 800; transition: transform .25s ease; }
.ob-mod:hover .ob-mod-arrow { transform: translateX(5px); }

/* ---------- CURRENT AFFAIRS STRIP ---------- */
.ob-ca { background: var(--ob-teal); color: #fff; }
.ob-ca-inner { display: grid; grid-template-columns: auto 1fr auto; gap: 30px; align-items: center; }
.ob-ca-items { display: flex; gap: 10px; flex-wrap: wrap; }
.ob-ca-chip {
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .22);
  padding: 7px 12px; border-radius: 2px;
  font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase;
}
.ob-ca h3 { font-size: 17px; margin: 5px 0 0; text-transform: uppercase; letter-spacing: -.01em; }

/* ---------- PROOF ---------- */
.ob-service-bars { display: grid; gap: 12px; }
.ob-sbar { display: grid; grid-template-columns: 74px 1fr 56px; gap: 14px; align-items: center; }
.ob-sbar span { font-size: var(--ob-micro); font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--fg-muted); }
.ob-sbar div { height: 20px; background: var(--bg-subtle); border-radius: 1px; overflow: hidden; }
.ob-sbar div i { display: block; height: 100%; width: 0; background: var(--ob-navy); transition: width 1.1s cubic-bezier(.16, 1, .3, 1); }
.ob-sbar:nth-child(1) div i { background: var(--ob-accent); }
.ob-sbar b { font-size: 15px; font-weight: 800; letter-spacing: -.01em; }
.ob-service-bars.is-in .ob-sbar div i { width: var(--w); }

.ob-ba { border: 1px solid var(--ob-line); background: #fff; border-radius: 2px; padding: 24px; }
.ob-ba-cols { display: grid; grid-template-columns: 1fr auto 1fr; gap: 20px; align-items: end; margin-top: 20px; }
.ob-ba-col { text-align: center; }
.ob-ba-col u { text-decoration: none; display: block; font-size: var(--ob-micro); font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--fg-subtle); margin-bottom: 10px; }
.ob-ba-col div { background: var(--bg-subtle); border-radius: 1px; position: relative; height: 150px; display: flex; align-items: flex-end; }
.ob-ba-col div i { display: block; width: 100%; height: 0; transition: height 1.2s cubic-bezier(.16, 1, .3, 1); }
.ob-ba-before i { background: #B9B5AD; }
.ob-ba-after i { background: var(--ob-accent); }
.ob-ba.is-in .ob-ba-before i { height: 42%; }
.ob-ba.is-in .ob-ba-after i { height: 78%; }
.ob-ba-col strong { display: block; margin-top: 10px; font-size: 22px; font-weight: 800; letter-spacing: -.02em; }
.ob-ba-lift { text-align: center; padding-bottom: 54px; }
.ob-ba-lift b { display: block; font-size: 26px; color: var(--ob-accent); font-weight: 800; letter-spacing: -.02em; }

/* Topper flip cards */
.ob-toppers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.ob-flip { perspective: 1200px; background: none; border: 0; padding: 0; cursor: pointer; }
.ob-flip-inner {
  position: relative;
  transform-style: preserve-3d;
  transition: transform .7s cubic-bezier(.4, .2, .2, 1);
  min-height: 272px;
}
.ob-flip:hover .ob-flip-inner,
.ob-flip.is-flipped .ob-flip-inner { transform: rotateY(180deg); }
.ob-face {
  position: absolute; inset: 0;
  backface-visibility: hidden;
  border: 1px solid var(--ob-line);
  border-radius: 2px;
  padding: 22px;
  text-align: left;
  display: flex; flex-direction: column;
  background: #fff;
}
.ob-face-back { transform: rotateY(180deg); background: var(--ob-navy); border-color: var(--ob-navy); color: #fff; }
.ob-face-front strong { font-size: 40px; font-weight: 800; color: var(--ob-accent); letter-spacing: -.035em; line-height: 1; }
.ob-face-front h3 { font-size: 17px; margin: 14px 0 5px; letter-spacing: -.015em; }
.ob-face-front p { font-size: 12.5px; color: var(--fg-muted); margin: 0; }
.ob-face-front .ob-flip-hint { margin-top: auto; font-size: 9px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--fg-subtle); }
.ob-face-back .ob-micro { color: rgba(255, 255, 255, .5); }
.ob-face-back dl { margin: 12px 0 0; display: grid; gap: 9px; }
.ob-face-back div { display: flex; justify-content: space-between; gap: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--ob-line-dark); }
.ob-face-back dt { font-size: 11px; color: rgba(255, 255, 255, .6); }
.ob-face-back dd { margin: 0; font-size: 11.5px; font-weight: 700; color: #fff; text-align: right; }

/* ---------- FILMSTRIP ---------- */
.ob-strip { overflow: hidden; border-block: 1px solid var(--ob-line); background: var(--ob-cream); }
.ob-strip-track { display: flex; gap: 2px; width: max-content; animation: obDrift 46s linear infinite; }
.ob-strip:hover .ob-strip-track { animation-play-state: paused; }
.ob-strip img { height: 212px; width: auto; object-fit: cover; display: block; filter: saturate(.94); }
@keyframes obDrift { to { transform: translateX(-50%); } }

/* ---------- DOORS ---------- */
.ob-doors { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; }
.ob-door {
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .16);
  padding: 34px 32px 30px;
  transition: background .25s ease, transform .25s ease;
}
.ob-door:hover { background: rgba(202, 102, 79, .12); transform: translateY(-3px); }
.ob-door h3 { font-size: 26px; margin: 12px 0 18px; text-transform: uppercase; letter-spacing: -.025em; color: #fff; }
.ob-door ul { list-style: none; padding: 0; margin: 0 0 26px; }
.ob-door li {
  font-size: 13px; color: rgba(255, 255, 255, .72);
  padding: 9px 0; border-bottom: 1px solid var(--ob-line-dark);
  display: flex; gap: 10px;
}
.ob-door li::before { content: "—"; color: var(--ob-accent); }
.ob-trust-note {
  margin-top: 30px; padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-left: 3px solid var(--ob-accent);
  font-size: 12.5px; color: rgba(255, 255, 255, .68);
}
.ob-trust-note strong { color: #fff; display: block; margin-bottom: 5px; font-size: 13px; }

/* ---------- Placeholder badge ---------- */
.ob-ph {
  display: inline-block;
  background: #9A6A22; color: #fff;
  font-size: 8px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase;
  padding: 2px 6px; border-radius: 2px; vertical-align: middle; margin-left: 7px;
}

/* ---------- Option ribbon ---------- */
.ob-ribbon {
  position: fixed; left: 0; bottom: 0; z-index: 300;
  background: var(--ob-accent); color: #fff;
  font-size: 10px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase;
  padding: 8px 14px; border-top-right-radius: 3px;
}
.ob-ribbon span { opacity: .75; font-weight: 600; }

/* ---------- Responsive ---------- */
@media (max-width: 1040px) {
  .ob-hero-grid, .ob-asym, .ob-ai { grid-template-columns: 1fr; }
  .ob-head-split { grid-template-columns: 1fr; gap: 16px; }
  .ob-path-grid { grid-template-columns: 1fr 1fr; }
  .ob-path-card:nth-child(3) { border-left: 0; }
  .ob-flow-cards { grid-template-columns: 1fr 1fr; }
  .ob-fork, .ob-doors { grid-template-columns: 1fr; }
  .ob-toppers { grid-template-columns: 1fr; }
  .ob-hair-grid { grid-template-columns: 1fr 1fr; }
  .ob-hair-cell:nth-child(3n) { border-right: 1px solid var(--ob-line-dark); }
  .ob-hair-cell:nth-child(2n) { border-right: 0; }
  .ob-mod { grid-template-columns: 40px 1fr; gap: 14px; }
  .ob-mod > p, .ob-mod-meta { display: none; }
  .ob-ca-inner { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .ob-section { padding: 48px 0; }
  .ob-path-grid, .ob-flow-cards, .ob-hair-grid, .ob-pill-grid { grid-template-columns: 1fr; }
  .ob-path-card { border-left: 0 !important; border-top: 1px solid var(--ob-line); }
  .ob-hair-cell { border-right: 0 !important; }
  .ob-hero-stats { grid-template-columns: 1fr; }
  .ob-hero-stats div + div { border-left: 0; border-top: 1px solid rgba(255,255,255,.18); }
  .ob-axis { grid-template-columns: repeat(4, 1fr); row-gap: 8px; }
  .ob-ring { width: 250px; height: 250px; }
  .ob-node-n2, .ob-node-n3 { right: -30px; }
  .ob-node-n5, .ob-node-n6 { left: -30px; }
  .ob-path-result { grid-template-columns: 1fr; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .ob-reveal, .ob-line-wrap > span, .ob-hair-cell, .ob-pill { transition: none !important; opacity: 1 !important; transform: none !important; }
  .ob-orbit, .ob-strip-track, .ob-pulse i { animation: none !important; }
  .ob-fill, .ob-sbar div i, .ob-ba-col div i, .ob-stepper-line i { transition: none !important; }
  .ob-flip-inner { transition: none !important; }
}