/* AdCtrl landing page — tokens, layout, components, motion.
   Vanilla CSS. No inline styles (strict CSP). Animate transform and opacity only. */

@font-face {
  font-family: Plex;
  src: url("/fonts/IBMPlexSans.ttf") format("truetype");
  font-weight: 100 700;
  font-display: swap;
}

:root {
  --bg: #101513;
  --surface: #19241c;
  --raised: #1f2d23;
  --lime: #b7f37b;
  --link: #c3ef9e;
  --text: #edf0eb;
  --secondary: #becbbf;
  --label: #a8bdab;
  --line: #3a493e;
  --line-soft: #283329;
  --ink: #101513;
  --paper: #edf0eb;
  --key: #b7f37b;
  --ink-fill: #edf0eb;
  --gutter: clamp(16px, 4vw, 48px);
  --wrap: 1280px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --snap: cubic-bezier(0.3, 0, 0, 1);
  --t-fast: 160ms;
  --t: 420ms;
  --t-slow: 720ms;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Plex, "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  font-synthesis: none;
  overflow-x: clip;
}
svg {
  display: block;
}
svg[hidden],
[hidden] {
  display: none !important;
}
img,
video {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}
button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}
button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}
:is(a, button, summary, input, textarea, [tabindex]):focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 4px;
}
.light :is(a, button, summary, input, textarea):focus-visible {
  outline-color: var(--ink);
}
h1,
h2,
h3,
p,
figure,
ul,
ol,
dl,
dd,
blockquote,
fieldset {
  margin: 0;
}
ul,
ol {
  padding: 0;
  list-style: none;
}
fieldset {
  padding: 0;
  border: 0;
  min-width: 0;
}
h1,
h2,
h3 {
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.04;
  text-wrap: balance;
}
h2 {
  font-size: clamp(34px, 4.6vw, 62px);
}
h3 {
  font-size: clamp(22px, 2.2vw, 28px);
  letter-spacing: -0.03em;
  line-height: 1.12;
}
p {
  color: var(--secondary);
}
b,
strong {
  font-weight: 600;
  color: var(--text);
}
.light p {
  color: #3a493e;
}
.light b,
.light strong {
  color: var(--ink);
}

.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section {
  padding-block: clamp(72px, 10vw, 140px);
}
.section-head {
  max-width: 760px;
  margin-bottom: clamp(36px, 5vw, 64px);
}
.section-sub {
  font-size: clamp(17px, 1.35vw, 20px);
  line-height: 1.55;
  margin-top: 22px;
  max-width: 620px;
}
.eyebrow {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--label);
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.light .eyebrow {
  color: #3a493e;
}
.status {
  width: 8px;
  height: 8px;
  background: var(--lime);
  display: inline-block;
  flex: none;
}
.fine {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--label);
}
.light .fine {
  color: #4b5a4f;
}
.kicker {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--label);
  display: block;
}
.lime-text {
  color: var(--lime);
}
.skip {
  position: absolute;
  left: 16px;
  top: -80px;
  background: var(--lime);
  color: var(--ink);
  padding: 10px 14px;
  z-index: 50;
  text-decoration: none;
  font-weight: 500;
}
.skip:focus {
  top: 12px;
}

/* Logo sprite colouring */
.key-fill {
  fill: var(--key);
}
.ink-fill {
  fill: var(--ink-fill);
}
.light {
  --key: #19241c;
  --ink-fill: #edf0eb;
}
.wordmark {
  width: 136px;
  height: 43.6px;
  color: var(--text);
}
.light .wordmark {
  color: var(--ink);
}
.mark-sm {
  width: 22px;
  height: 18px;
}

/* ───────── Nav ───────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
}
.brand {
  display: block;
  flex: none;
}
.nav-links {
  display: flex;
  gap: 28px;
  font-size: 14px;
}
.nav-links a {
  text-decoration: none;
  color: var(--secondary);
  padding: 6px 0;
  position: relative;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-fast) var(--ease);
}
.nav-links a:hover {
  color: var(--text);
}
.nav-links a:hover::after {
  transform: scaleX(1);
}

/* ───────── Key button (the identity's keycap, used sparingly) ───────── */
.key-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 46px;
  padding: 0 20px;
  font-size: 14.5px;
  font-weight: 500;
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--line);
  border-bottom-width: 4px;
  background: var(--surface);
  transition:
    transform 100ms var(--snap),
    border-bottom-width 100ms var(--snap),
    background var(--t-fast),
    color var(--t-fast);
  will-change: transform;
  user-select: none;
}
.key-btn span {
  display: inline-block;
  transform: translateY(-1px);
}
.key-btn.primary {
  background: var(--lime);
  border-color: var(--lime);
  border-bottom-color: #8cc65a;
  color: var(--ink);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}
.key-btn.primary:hover {
  background: #c6f794;
}
.key-btn:not(.primary):hover {
  background: var(--raised);
  border-color: var(--label);
}
.key-btn.large {
  min-height: 56px;
  padding: 0 26px;
  font-size: 16px;
}
.key-btn.full {
  width: 100%;
}
.key-btn.pressed,
.key-btn:active {
  transform: translateY(3px);
  border-bottom-width: 1px;
}
.text-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  color: var(--text);
  border-bottom: 1px solid var(--line);
  padding-bottom: 3px;
  transition: border-color var(--t-fast);
}
.text-btn:hover {
  border-color: var(--lime);
}
.text-btn .arrow {
  display: inline-block;
  transition: transform var(--t-fast) var(--ease);
}
.text-btn:hover .arrow {
  transform: translateX(3px);
}
.light .text-btn {
  color: var(--ink);
  border-color: #a8bdab;
}
.light .text-btn:hover {
  border-color: var(--ink);
}

/* ───────── Hero ───────── */
.hero {
  padding-top: clamp(40px, 6vw, 88px);
  padding-bottom: clamp(48px, 6vw, 96px);
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
}
.display {
  font-size: clamp(44px, 6.1vw, 88px);
  line-height: 0.98;
}
.display .line {
  display: block;
  overflow: hidden;
}
.display .line > *,
.display .line {
  transform: translateY(0);
}
.display em {
  font-style: normal;
  color: var(--lime);
}
.lede {
  font-size: clamp(17px, 1.45vw, 21px);
  line-height: 1.5;
  margin-top: 28px;
  max-width: 560px;
}
.actions {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
  margin-top: 34px;
}
.hero-copy > .fine {
  margin-top: 26px;
  max-width: 520px;
}

/* Hero load choreography: lines rise, then the stage beats play. */
.js .display .line {
  opacity: 0;
  transform: translateY(28px);
  animation: rise var(--t-slow) var(--snap) forwards;
}
.js .display .line:nth-child(2) {
  animation-delay: 90ms;
}
.js .display .line:nth-child(3) {
  animation-delay: 180ms;
}
.js .hero-copy > :not(h1) {
  opacity: 0;
  animation: fade var(--t-slow) var(--ease) forwards;
  animation-delay: 360ms;
}
.js .stage-wrap {
  opacity: 0;
  transform: translateY(16px);
  animation: rise var(--t-slow) var(--snap) forwards;
  animation-delay: 240ms;
}
@keyframes rise {
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes fade {
  to {
    opacity: 1;
  }
}

/* The stage: an illustrative assistant session. Beats keep their space; they only fade in. */
.stage-wrap {
  position: relative;
}
.stage-wrap::before {
  content: "";
  position: absolute;
  inset: 18px -18px -18px 18px;
  border: 1px solid var(--line-soft);
  pointer-events: none;
}
.stage {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
}
.stage-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--secondary);
}
.stage-host {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 500;
}
.stage-tag {
  font-size: 11.5px;
  color: var(--label);
  border: 1px solid var(--line);
  padding: 3px 8px;
  white-space: nowrap;
}
.stage-body {
  padding: 22px 20px 8px;
  display: grid;
  gap: 18px;
}
.beat {
  display: grid;
  gap: 8px;
  opacity: 0.14;
  transition:
    opacity var(--t) var(--ease),
    transform var(--t) var(--ease);
  transform: translateY(6px);
}
.beat.on {
  opacity: 1;
  transform: none;
}
.beat.on.focus .who {
  color: var(--lime);
}
.who {
  font-size: 11.5px;
  font-weight: 500;
  color: var(--label);
  letter-spacing: 0.02em;
  transition: color var(--t-fast);
}
.bubble {
  background: var(--raised);
  padding: 14px 16px;
  font-size: 16px;
  line-height: 1.45;
  color: var(--text);
  justify-self: start;
  max-width: 92%;
}
.evidence li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 13.5px;
}
.evidence li:first-child {
  border-top: 1px solid var(--line-soft);
}
.evidence li span {
  color: var(--secondary);
}
.evidence li b {
  font-variant-numeric: tabular-nums lining-nums;
  font-weight: 500;
  white-space: nowrap;
}
.method-card {
  border-left: 2px solid var(--lime);
  padding: 4px 0 4px 16px;
}
.method-step {
  font-size: 11.5px;
  color: var(--lime);
  font-weight: 500;
  display: block;
  margin-bottom: 6px;
}
.method-card p {
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--text);
}
.action-card {
  border: 1px solid var(--line);
  padding: 16px;
}
.action-card p {
  font-size: 14.5px;
  line-height: 1.5;
}
.keys {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}
.key {
  font-size: 12.5px;
  font-weight: 500;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-bottom-width: 3px;
  color: var(--text);
  background: var(--surface);
}
.key.lime {
  background: var(--lime);
  border-color: var(--lime);
  border-bottom-color: #8cc65a;
  color: var(--ink);
  clip-path: polygon(0 0, calc(100% - 7px) 0, 100% 7px, 100% 100%, 0 100%);
}
.stage-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  border-top: 1px solid var(--line);
  margin-top: 10px;
}
.beat-nav {
  display: flex;
  gap: 4px;
}
.beat-nav button {
  font-size: 12px;
  font-weight: 500;
  color: var(--label);
  padding: 6px 10px;
  min-height: 32px;
  border-bottom: 2px solid transparent;
  transition:
    color var(--t-fast),
    border-color var(--t-fast);
}
.beat-nav button:hover {
  color: var(--text);
}
.beat-nav button[aria-pressed="true"] {
  color: var(--lime);
  border-bottom-color: var(--lime);
}
.stage-note {
  font-size: 11.5px;
  color: var(--label);
  text-align: right;
}

/* ───────── Platform strip ───────── */
.strip {
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.strip-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px 40px;
  align-items: center;
  padding-block: 26px;
}
.strip-lead {
  font-size: 14px;
  color: var(--label);
  white-space: nowrap;
}
.platforms {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 36px;
  font-size: clamp(17px, 1.5vw, 22px);
  font-weight: 500;
  letter-spacing: -0.02em;
}
.strip-note {
  grid-column: 1/-1;
  font-size: 12.5px;
  color: var(--label);
}

/* ───────── Media slot (shared by every video/image slot) ───────── */
.media-slot {
  position: relative;
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  overflow: hidden;
  contain: layout;
}
.media-slot.r169 {
  aspect-ratio: 16/9;
}
.media-slot.r43 {
  aspect-ratio: 4/3;
}
.media-slot.r45 {
  aspect-ratio: 4/5;
}
.media-slot.r32 {
  aspect-ratio: 3/2;
}
.media-slot > video,
.media-slot > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #000;
}
.slot-empty {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(14px, 3%, 24px);
  background-image: repeating-linear-gradient(
    135deg,
    transparent 0 11px,
    var(--line-soft) 11px 12px
  );
}
.slot-empty .slot-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  font-size: 11.5px;
  color: var(--label);
}
.slot-empty .slot-top span:last-child {
  border: 1px solid var(--line);
  padding: 3px 8px;
  background: var(--surface);
  white-space: nowrap;
}
.slot-empty .slot-mid {
  display: grid;
  gap: 10px;
  justify-items: start;
}
.slot-empty .slot-mid .mark-lg {
  width: clamp(44px, 12%, 72px);
  height: auto;
}
.slot-empty .slot-mid strong {
  font-size: clamp(18px, 2.4vw, 28px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text);
  background: var(--surface);
  padding: 4px 8px 6px;
  margin-left: -8px;
  max-width: 88%;
}
.slot-empty .slot-bot {
  font-size: 12px;
  color: var(--label);
  background: var(--surface);
  padding: 4px 8px;
  margin-left: -8px;
  justify-self: start;
  max-width: 92%;
}
.slot-empty.compact .slot-mid strong {
  font-size: clamp(15px, 1.6vw, 19px);
}
.slot-empty.compact .slot-bot {
  display: none;
}
.light .slot-empty {
  background-image: repeating-linear-gradient(
    135deg,
    transparent 0 11px,
    #d7ddd5 11px 12px
  );
}
.light .media-slot {
  background: #e1e6df;
  border-color: #c7d0c6;
}
.light .slot-empty .slot-top span:last-child,
.light .slot-empty .slot-mid strong,
.light .slot-empty .slot-bot {
  background: #e1e6df;
  color: var(--ink);
}
.light .slot-empty .slot-top {
  color: #4b5a4f;
}
.light .slot-empty .slot-bot {
  color: #4b5a4f;
}
.slot-caption {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 12.5px;
  color: var(--label);
  margin-top: 10px;
}
.slot-caption a {
  color: var(--link);
}

/* ───────── Demo ───────── */
.demo-grid {
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}
.chapters {
  display: grid;
  gap: 4px;
  position: sticky;
  top: 100px;
}
.chapter {
  display: grid;
  gap: 4px;
  text-align: left;
  padding: 16px 18px;
  border: 1px solid transparent;
  border-left: 2px solid var(--line-soft);
  transition:
    background var(--t-fast),
    border-color var(--t-fast);
}
.chapter:hover {
  background: var(--surface);
}
.chapter[aria-selected="true"] {
  background: var(--surface);
  border-left-color: var(--lime);
}
.chapter .ch-num {
  font-size: 11.5px;
  color: var(--label);
  font-variant-numeric: tabular-nums;
}
.chapter .ch-label {
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text);
}
.chapter .ch-kicker {
  font-size: 12.5px;
  color: var(--label);
}
.chapter[aria-selected="true"] .ch-num {
  color: var(--lime);
}
.player-col {
  display: grid;
  gap: 22px;
}
.chapter-detail {
  display: grid;
  gap: 12px;
  max-width: 720px;
  transition:
    opacity var(--t-fast) var(--ease),
    transform var(--t-fast) var(--ease);
}
.chapter-detail.swap {
  opacity: 0;
  transform: translateY(6px);
}
.chapter-detail h3 {
  font-size: clamp(22px, 2.4vw, 30px);
}
.prompt {
  border-left: 2px solid var(--lime);
  padding-left: 16px;
  font-size: 16.5px;
  color: var(--text);
  line-height: 1.45;
}
.prompt::before {
  content: "“";
}
.prompt::after {
  content: "”";
}

/* ───────── How it works ───────── */
.how {
  background: var(--surface);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.how-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
}
.how-sticky {
  position: sticky;
  top: 110px;
}
.how-index {
  display: grid;
  gap: 0;
  margin-top: 40px;
  border-top: 1px solid var(--line);
}
.how-index li {
  display: flex;
  gap: 18px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 17px;
  font-weight: 500;
  color: var(--label);
  transition: color var(--t) var(--ease);
}
.how-index li span {
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  width: 28px;
}
.how-index li.active {
  color: var(--text);
}
.how-index li.active span {
  color: var(--lime);
}
.how-steps {
  display: grid;
  gap: clamp(56px, 7vw, 112px);
}
.how-step {
  display: grid;
  gap: 22px;
  opacity: 0.45;
  transform: translateY(10px);
  transition:
    opacity var(--t-slow) var(--ease),
    transform var(--t-slow) var(--ease);
}
.how-step.active {
  opacity: 1;
  transform: none;
}
.how-step .media-slot {
  background: var(--bg);
}
.how-copy {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 0 16px;
}
.how-copy .num {
  font-size: 12px;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
  padding-top: 9px;
}
.how-copy h3 {
  grid-column: 2;
}
.how-copy p {
  grid-column: 2;
  margin-top: 12px;
  font-size: 16px;
}

/* ───────── Playbooks ───────── */
.pb-demo {
  border: 1px solid var(--line);
  background: var(--surface);
}
.pb-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  padding: 22px 26px;
  border-bottom: 1px solid var(--line);
}
.pb-question {
  font-size: clamp(18px, 1.8vw, 24px);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text);
}
.switch {
  display: inline-flex;
  border: 1px solid var(--line);
  background: var(--bg);
  padding: 3px;
  gap: 3px;
}
.switch button {
  font-size: 14px;
  font-weight: 500;
  color: var(--secondary);
  padding: 0 16px;
  min-height: 40px;
  position: relative;
  transition:
    color var(--t-fast),
    background var(--t-fast);
}
.switch button:hover {
  color: var(--text);
}
.switch button[aria-pressed="true"] {
  background: var(--lime);
  color: var(--ink);
}
.pb-panels {
  display: grid;
  padding: 26px;
}
.pb-list {
  grid-area: 1/1;
  display: grid;
  gap: 14px;
  counter-reset: n;
  transition:
    opacity var(--t) var(--ease),
    transform var(--t) var(--ease);
}
.pb-list li {
  position: relative;
  padding-left: 40px;
  font-size: 16px;
  line-height: 1.5;
  color: var(--secondary);
  counter-increment: n;
}
.pb-list li::before {
  content: counter(n, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-size: 12px;
  color: var(--label);
  font-variant-numeric: tabular-nums;
}
.pb-list li.pb-verdict {
  padding-left: 0;
  margin-top: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--label);
  counter-increment: none;
}
.pb-list li.pb-verdict::before {
  content: none;
}
.pb-with li::before {
  color: var(--lime);
}
.pb-with li.pb-verdict {
  color: var(--lime);
}
.pb-panels[data-mode="without"] .pb-with,
.pb-panels[data-mode="with"] .pb-without {
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  pointer-events: none;
}
.pb-fine {
  padding: 0 26px 22px;
}
.shots {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 40px;
}
.shots figure {
  display: grid;
  gap: 10px;
}
.shots figcaption {
  font-size: 13px;
  color: var(--secondary);
}

/* ───────── Creative × numbers ───────── */
.creative-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
}
.hyp-flow {
  display: grid;
  gap: 0;
  margin-top: 36px;
}
.hyp-card {
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 18px 20px;
  display: grid;
  gap: 10px;
}
.hyp-card.lime-edge {
  border-left: 2px solid var(--lime);
}
.hyp-card p {
  font-size: 16px;
  line-height: 1.5;
  color: var(--text);
}
.hyp-arrow {
  width: 1px;
  height: 28px;
  background: var(--line);
  margin-left: 32px;
  position: relative;
}
.hyp-arrow::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: -4px;
  width: 9px;
  height: 9px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transform: rotate(45deg);
}
.mini-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.mini-table th {
  text-align: left;
  font-weight: 500;
  color: var(--label);
  font-size: 12px;
  padding: 6px 8px 8px 0;
  border-bottom: 1px solid var(--line);
}
.mini-table td {
  padding: 9px 8px 9px 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--secondary);
}
.mini-table td:first-child {
  color: var(--text);
  font-weight: 500;
}
.mini-table tr:last-child td {
  border-bottom: 0;
}
.plan li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--secondary);
}
.plan li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 7px;
  background: var(--lime);
}
.creative-copy > .fine {
  margin-top: 18px;
}
.creative-media {
  position: sticky;
  top: 110px;
}

/* ───────── Models ───────── */
.models {
  border-top: 1px solid var(--line-soft);
}
.models-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.85fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: center;
}
.models-copy .fine {
  margin-top: 22px;
  max-width: 560px;
}
.models-demo {
  display: grid;
  gap: 18px;
  justify-items: start;
}
.model-card {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--surface);
}
.model-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
}
.model-head > span:first-child {
  font-size: clamp(24px, 2.4vw, 32px);
  font-weight: 600;
  letter-spacing: -0.03em;
  transition: opacity var(--t-fast);
}
.model-head > span:first-child.swap {
  opacity: 0;
}
.model-plug {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--secondary);
  white-space: nowrap;
}
.model-rows div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 22px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15px;
}
.model-rows div:last-child {
  border-bottom: 0;
}
.model-rows dt {
  color: var(--secondary);
}
.model-rows dd {
  font-weight: 500;
}

/* ───────── Audiences ───────── */
.who {
  border-top: 1px solid var(--line-soft);
}
.who-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.who-grid article {
  display: grid;
  gap: 22px;
  align-content: start;
  padding-right: clamp(24px, 5vw, 72px);
}
.who-grid article + article {
  padding-right: 0;
  padding-left: clamp(24px, 5vw, 72px);
  border-left: 1px solid var(--line);
}
.who-grid h2 {
  font-size: clamp(30px, 3.2vw, 44px);
}
.who-grid p {
  font-size: 16.5px;
  max-width: 480px;
}
.who-grid .eyebrow {
  margin-bottom: 0;
}

/* ───────── Founder (light) ───────── */
.light {
  background: var(--paper);
  color: var(--ink);
  color-scheme: light;
  --line: #c7d0c6;
  --line-soft: #d7ddd5;
  --surface: #e1e6df;
  --raised: #d8dfd6;
  --label: #4b5a4f;
  --secondary: #3a493e;
}
.founder-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: center;
}
.founder-quote {
  font-size: clamp(19px, 1.8vw, 25px);
  line-height: 1.45;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-top: 28px;
}
.credit {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 28px;
}
.credit .initial {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  background: #19241c;
  color: var(--paper);
  font-size: 20px;
  font-weight: 600;
}
.credit strong {
  display: block;
  font-size: 14.5px;
}
.credit div > span {
  font-size: 12.5px;
  color: #4b5a4f;
}
.founder-copy > .fine {
  margin-top: 26px;
  max-width: 560px;
}
.case-study {
  margin-top: clamp(40px, 5vw, 72px);
  border: 1px solid var(--line);
  padding: clamp(22px, 3vw, 36px);
  display: grid;
  gap: 14px;
  background: #fff8;
}
.cs-figures {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 18px;
}
.cs-figures div {
  border-top: 1px solid var(--line);
  padding-top: 10px;
}
.cs-figures dt {
  font-size: 12.5px;
  color: #4b5a4f;
}
.cs-figures dd {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

/* ───────── FAQ ───────── */
.faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
}
.faq-list {
  border-top: 1px solid var(--line);
}
.faq-list details {
  border-bottom: 1px solid var(--line);
}
.faq-list summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 20px 0;
  font-size: clamp(16px, 1.3vw, 19px);
  font-weight: 500;
  letter-spacing: -0.01em;
}
.faq-list summary::-webkit-details-marker {
  display: none;
}
.faq-list summary::after {
  content: "";
  width: 12px;
  height: 12px;
  flex: none;
  border-right: 1px solid var(--label);
  border-bottom: 1px solid var(--label);
  transform: rotate(45deg) translateY(-3px);
  transition: transform var(--t-fast) var(--ease);
}
.faq-list details[open] summary::after {
  transform: rotate(225deg) translateY(-3px);
}
.faq-list details p {
  padding: 0 48px 22px 0;
  font-size: 15.5px;
  line-height: 1.6;
}
.faq-list details p a {
  color: var(--link);
}

/* ───────── Access ───────── */
.access {
  background: var(--surface);
  border-top: 1px solid var(--line-soft);
}
.access-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
}
.access-form {
  display: grid;
  gap: 18px;
  border: 1px solid var(--line);
  background: var(--bg);
  padding: clamp(22px, 3vw, 32px);
}
.access-form legend {
  font-size: 13px;
  color: var(--label);
  margin-bottom: 10px;
  padding: 0;
}
.choice-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.choice {
  position: relative;
  display: block;
}
.choice input {
  position: absolute;
  opacity: 0;
  inset: 0;
  margin: 0;
  cursor: pointer;
}
.choice span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 12px;
  border: 1px solid var(--line);
  font-size: 14.5px;
  font-weight: 500;
  text-align: center;
  transition:
    background var(--t-fast),
    border-color var(--t-fast),
    color var(--t-fast);
}
.choice input:checked + span {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}
.choice input:focus-visible + span {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}
.field {
  display: grid;
  gap: 8px;
  font-size: 13px;
  color: var(--label);
}
.field input,
.field textarea {
  font: inherit;
  font-size: 15.5px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 12px 14px;
  min-height: 46px;
  width: 100%;
  resize: vertical;
}
.field input::placeholder,
.field textarea::placeholder {
  color: #6f7f72;
}
.field input:focus,
.field textarea:focus {
  outline: 2px solid var(--lime);
  outline-offset: 0;
  border-color: var(--lime);
}
.field.invalid input {
  border-color: #e59a8a;
}
.form-note {
  margin-top: -4px;
}

/* ───────── Footer: a full-height closing signature ───────── */
.footer {
  border-top: 1px solid var(--line);
  background: var(--bg);
  padding-block: clamp(64px, 7vw, 112px) 28px;
}
.footer-inner {
  min-height: calc(100svh - clamp(64px, 7vw, 112px) - 28px);
  display: flex;
  flex-direction: column;
  gap: clamp(48px, 6vw, 88px);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: start;
  gap: 48px;
}
.footer-invitation h2 {
  font-size: clamp(48px, 5.7vw, 84px);
  line-height: 1.02;
  letter-spacing: -.05em;
  font-weight: 600;
  margin: 0 0 24px;
}
.footer-invitation p { max-width: 35ch; color: var(--secondary); margin: 0 0 28px; }
.footer-invitation .key-btn { gap: 32px; }
.footer-access-note { display: block; font-size: 12px; color: var(--label); margin-top: 16px; }
.footer-navigation { display: grid; grid-template-columns: 1fr 1.2fr; gap: 28px; padding-top: 8px; }
.footer-navigation nav { display: flex; flex-direction: column; align-items: flex-start; }
.footer-navigation h3 { color: var(--label); font-size: 13px; font-weight: 400; margin: 0 0 18px; }
.footer-navigation a { color: var(--text); font-size: 14px; line-height: 1.45; padding-block: 12px; text-decoration: none; }
.footer-navigation a:hover { color: var(--lime); text-decoration: underline; text-underline-offset: 5px; }
.footer-signature { display: block; position: relative; color: var(--text); margin-top: auto; padding: clamp(24px, 3.8vw, 52px); text-decoration: none; }
.footer-signature svg { width: 100%; height: auto; aspect-ratio: 640 / 205; transition: transform 240ms var(--ease); }
.footer-signature:active svg { transform: translateY(3px); }
.footer-back { position: absolute; bottom: 0; right: 0; display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--secondary); }
.footer-back span { display: grid; place-items: center; width: 32px; height: 32px; border: 1px solid var(--line); transition: background 160ms; }
.footer-signature:hover .footer-back span { background: var(--lime); color: var(--ink); }
.footer-bottom { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; border-top: 1px solid var(--line); padding-top: 24px; }
.footer-bottom p { margin: 0; font-size: 11px; line-height: 1.6; color: var(--label); }
@media (max-width: 900px) {
  .footer-top { grid-template-columns: 1fr; gap: 48px; }
  .footer-navigation { max-width: 580px; }
}
@media (max-width: 700px) {
  .footer-inner { gap: 40px; }
  .footer-invitation h2 { font-size: clamp(44px, 11vw, 64px); }
  .footer-navigation { gap: 20px; grid-template-columns: 1fr 1.2fr; }
  .footer-navigation a { font-size: 13px; }
  .footer-signature { padding: 20px 20px 44px; }
  .footer-bottom { grid-template-columns: 1fr; gap: 16px; }
}

/* ───────── Tablet ───────── */
@media (max-width: 1060px) {
  .nav-links {
    display: none;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }
  .hero-copy {
    max-width: 680px;
  }
  .stage-wrap {
    max-width: 640px;
  }
  .how-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .how-sticky {
    position: static;
  }
  .how-index {
    display: none;
  }
  .how-step {
    opacity: 1;
    transform: none;
  }
  .creative-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .creative-media {
    position: static;
    max-width: 420px;
  }
  .models-grid,
  .faq-grid,
  .access-grid,
  .founder-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .founder-media {
    max-width: 420px;
  }
  .demo-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .chapters {
    position: static;
    display: flex;
    gap: 8px;
    overflow-x: auto;
    scroll-snap-type: x proximity;
    padding-bottom: 6px;
    scrollbar-width: thin;
  }
  .chapter {
    flex: 0 0 auto;
    min-width: 200px;
    scroll-snap-align: start;
    border: 1px solid var(--line);
    border-left: 1px solid var(--line);
  }
  .chapter[aria-selected="true"] {
    border-color: var(--lime);
  }
  .chapter .ch-num {
    display: none;
  }
}

/* ───────── Mobile ───────── */
@media (max-width: 700px) {
  :root {
    --gutter: 16px;
  }
  html {
    scroll-padding-top: 80px;
  }
  .nav-row {
    min-height: 64px;
  }
  .wordmark {
    width: 112px;
    height: 35.9px;
  }
  .nav .key-btn {
    min-height: 40px;
    padding: 0 14px;
    font-size: 13.5px;
  }
  .hero {
    padding-top: 36px;
    padding-bottom: 48px;
  }
  .display {
    font-size: clamp(42px, 12.5vw, 56px);
    line-height: 1;
  }
  .lede {
    font-size: 17px;
    margin-top: 22px;
  }
  .actions {
    gap: 18px;
    margin-top: 28px;
  }
  .actions .key-btn {
    width: 100%;
  }
  .stage-wrap::before {
    inset: 12px -10px -10px 12px;
  }
  .stage-body {
    padding: 18px 14px 6px;
    gap: 14px;
  }
  .bubble {
    font-size: 15px;
    max-width: 100%;
  }
  .stage-foot {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .stage-note {
    text-align: left;
  }
  .beat-nav {
    width: 100%;
    justify-content: space-between;
  }
  .beat-nav button {
    flex: 1;
    padding: 6px 4px;
  }
  .strip-row {
    grid-template-columns: 1fr;
    gap: 12px;
    padding-block: 22px;
  }
  .platforms {
    gap: 8px 20px;
    font-size: 16px;
  }
  .section {
    padding-block: 64px;
  }
  h2 {
    font-size: clamp(30px, 8.6vw, 40px);
  }
  .section-sub {
    font-size: 16.5px;
  }
  .chapter {
    min-width: 170px;
    padding: 14px;
  }
  .chapter .ch-label {
    font-size: 15.5px;
  }
  .chapter-detail h3 {
    font-size: 24px;
  }
  .how-copy {
    grid-template-columns: 36px 1fr;
  }
  .pb-controls {
    padding: 18px 16px;
    align-items: flex-start;
    flex-direction: column;
  }
  .pb-panels {
    padding: 18px 16px;
  }
  .pb-list li {
    font-size: 15px;
    padding-left: 34px;
  }
  .pb-fine {
    padding: 0 16px 18px;
  }
  .switch {
    width: 100%;
  }
  .switch button {
    flex: 1;
    padding: 0 8px;
    font-size: 13.5px;
  }
  .shots {
    grid-template-columns: 1fr;
  }
  .hyp-card {
    padding: 16px;
  }
  .mini-table {
    font-size: 13px;
  }
  .mini-table th:nth-child(3),
  .mini-table td:nth-child(3) {
    display: none;
  }
  .who-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .who-grid article,
  .who-grid article + article {
    padding: 0;
    border-left: 0;
  }
  .who-grid article + article {
    border-top: 1px solid var(--line);
    padding-top: 40px;
  }
  .model-rows div {
    padding: 12px 16px;
  }
  .model-head {
    padding: 16px;
  }
  .founder-quote {
    font-size: 19px;
  }
  .faq-list details p {
    padding-right: 0;
  }
  .choice-row {
    grid-template-columns: 1fr;
  }
}

/* ───────── Reduced motion ───────── */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-delay: 0ms !important;
    transition-duration: 1ms !important;
  }
  .js .display .line,
  .js .hero-copy > :not(h1),
  .js .stage-wrap {
    opacity: 1;
    transform: none;
    animation: none;
  }
  .beat {
    opacity: 1;
    transform: none;
  }
  .how-step {
    opacity: 1;
    transform: none;
  }
}

/* ───────── Illustrative HTML panels (replaced by real clips when they exist) ───────── */
.media-slot.panel{background:var(--bg)}
.media-slot.panel:not(.has-video){aspect-ratio:auto}
.media-slot.panel:not(.has-video) .illus{position:static}
.illus{position:absolute;inset:0;padding:clamp(14px,3%,22px);display:flex;flex-direction:column;gap:12px;font-size:13.5px}
.illus-bar{display:flex;justify-content:space-between;gap:12px;font-size:11.5px;color:var(--label)}
.illus-bar span:last-child{border:1px solid var(--line);padding:2px 7px;white-space:nowrap}
.illus .mini-table{font-size:13px}
.illus .mini-table td{padding:7px 8px 7px 0}
.illus .mini-table td:nth-child(2),.illus .mini-table td:nth-child(3){font-variant-numeric:tabular-nums}
.illus-note{margin-top:auto;font-size:12.5px;color:var(--label);border-top:1px solid var(--line-soft);padding-top:10px}
.illus-steps{display:grid;gap:8px;counter-reset:s}
.illus-steps li{position:relative;padding-left:30px;color:var(--label);counter-increment:s;font-size:14px;line-height:1.4}
.illus-steps li::before{content:counter(s);position:absolute;left:0;top:1px;width:18px;height:18px;border:1px solid var(--line);font-size:10.5px;display:grid;place-items:center;font-variant-numeric:tabular-nums}
.illus-steps li.done{color:var(--secondary);text-decoration:line-through;text-decoration-color:var(--line)}
.illus-steps li.done::before{content:'✓';border-color:var(--line);color:var(--secondary)}
.illus-steps li.now{color:var(--text);font-weight:500}
.illus-steps li.now::before{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.diff{display:grid;gap:6px}
.diff li{position:relative;padding:8px 10px 8px 28px;font-size:13.5px;color:var(--text);background:var(--surface);border-left:2px solid var(--line)}
.diff li::before{position:absolute;left:10px;top:7px;font-weight:600;color:var(--label)}
.diff li.add{border-left-color:var(--lime)}.diff li.add::before{content:'+';color:var(--lime)}
.diff li.chg{border-left-color:var(--label)}.diff li.chg::before{content:'~'}
.illus .keys{margin-top:4px}
@media (max-width:700px){.illus{font-size:12.5px;gap:8px}.illus .mini-table th:nth-child(4),.illus .mini-table td:nth-child(4){display:none}.illus .mini-table th:nth-child(3),.illus .mini-table td:nth-child(3){display:table-cell}.illus-steps li{font-size:13px}.diff li{font-size:12.5px}}

/* ═══════════ v2.1 additions ═══════════ */

/* ── Scroll-driven walkthrough ── */
.scrolly{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:clamp(28px,5vw,72px);align-items:start}
.scrolly-pin{position:sticky;top:96px}
.player{display:grid;gap:0}
.player-bar{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;padding:12px 16px;border:1px solid var(--line);border-top:0;background:var(--surface);font-size:12.5px;color:var(--label)}
.player-ch{font-variant-numeric:tabular-nums;color:var(--lime);font-weight:500}
.player-title{color:var(--text);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.player-progress{width:120px;height:2px;background:var(--line);overflow:hidden}
.player-progress i{display:block;height:100%;background:var(--lime);transform-origin:left;transform:scaleX(.25);transition:transform var(--t) var(--ease)}
.scrolly-steps{display:grid;gap:0;padding-top:4px}
.step{display:grid;gap:14px;padding:clamp(28px,6vh,56px) 0 clamp(28px,6vh,56px) 24px;border-left:1px solid var(--line-soft);min-height:62vh;align-content:center;position:relative;opacity:.38;transition:opacity var(--t-slow) var(--ease)}
.step::before{content:'';position:absolute;left:-1px;top:0;bottom:0;width:2px;background:var(--lime);transform:scaleY(0);transform-origin:top;transition:transform var(--t-slow) var(--snap)}
.step.active{opacity:1}
.step.active::before{transform:scaleY(1)}
.step-btn{display:flex;align-items:baseline;gap:14px;text-align:left}
.step-num{font-size:12px;color:var(--lime);font-variant-numeric:tabular-nums}
.step-kicker{font-size:12.5px;color:var(--label)}
.step h3{font-size:clamp(22px,2.3vw,30px)}
.step p{font-size:15.5px}
.step .prompt{font-size:15.5px}
@media (max-width:1060px){
  .scrolly{grid-template-columns:1fr;gap:0}
  .scrolly-pin{top:64px;z-index:5;background:var(--bg);padding-bottom:12px}
  .step{min-height:0;padding:32px 0 32px 18px}
  .step:last-child{padding-bottom:8px}
}

/* ── Playbook race ── */
.race{border:1px solid var(--line);background:var(--surface)}
.race-head{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding:20px 26px;border-bottom:1px solid var(--line)}
.race-replay{font-size:13px;font-weight:500;color:var(--secondary);border:1px solid var(--line);padding:8px 14px;min-height:36px;transition:color var(--t-fast),border-color var(--t-fast)}
.race-replay:hover{color:var(--text);border-color:var(--label)}
.race-lanes{display:grid;grid-template-columns:1fr 1fr}
.lane{padding:22px 26px 26px;display:grid;gap:14px;align-content:start}
.lane+.lane{border-left:1px solid var(--line)}
.lane-with{background:color-mix(in srgb,var(--lime) 4%,var(--surface))}
.lane-head{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:13.5px;font-weight:500;color:var(--text);padding-bottom:12px;border-bottom:1px solid var(--line)}
.lane-head span:first-child{display:flex;align-items:center;gap:8px}
.lane-state{font-size:11.5px;font-weight:500;color:var(--label);border:1px solid var(--line);padding:3px 8px;white-space:nowrap}
.lane-state::before{content:'';display:inline-block;width:6px;height:6px;background:var(--label);margin-right:7px;vertical-align:middle;animation:blink 1s steps(2) infinite}
.lane-state.done{color:var(--text);border-color:var(--label)}
.lane-with .lane-state.done{color:var(--lime);border-color:var(--lime)}
.lane-state.done::before{animation:none;background:currentColor}
@keyframes blink{50%{opacity:.2}}
.lane-list{display:grid;gap:12px;counter-reset:n}
.lane-list li{position:relative;padding-left:34px;font-size:15.5px;line-height:1.5;color:var(--secondary);counter-increment:n;opacity:0;transform:translateY(8px);transition:opacity var(--t) var(--ease),transform var(--t) var(--ease)}
.lane-list li::before{content:counter(n,decimal-leading-zero);position:absolute;left:0;top:3px;font-size:12px;color:var(--label);font-variant-numeric:tabular-nums}
.lane-with .lane-list li::before{color:var(--lime)}
.lane-list li.in{opacity:1;transform:none}
.lane-verdict{font-size:14px;font-weight:500;color:var(--label);opacity:0;transition:opacity var(--t) var(--ease);padding-top:6px;border-top:1px solid var(--line-soft)}
.lane-with .lane-verdict{color:var(--lime)}
.lane-verdict.in{opacity:1}
.race-fine{padding:0 26px 22px}
@media (max-width:700px){
  .race-head{padding:16px}
  .race-lanes{grid-template-columns:1fr}
  .lane{padding:18px 16px}
  .lane+.lane{border-left:0;border-top:1px solid var(--line)}
  .lane-list li{font-size:14.5px;padding-left:30px}
  .race-fine{padding:0 16px 16px}
}

/* ── Knowledge stack ── */
.knowledge{background:var(--surface);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.knowledge-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.9fr);gap:clamp(32px,6vw,96px);align-items:center}
.knowledge-points{display:grid;gap:14px;margin-top:30px;border-top:1px solid var(--line);padding-top:22px}
.knowledge-points li{font-size:16px;line-height:1.5;color:var(--secondary);padding-left:20px;position:relative}
.knowledge-points li::before{content:'';position:absolute;left:0;top:11px;width:7px;height:7px;background:var(--lime)}
.knowledge-copy>.fine{margin-top:24px}
.stack{display:grid;gap:8px;perspective:1200px}
.layer{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:18px 20px;background:var(--bg);border:1px solid var(--line);border-bottom-width:4px;font-weight:500;font-size:16px;opacity:0;transform:translateY(40px) rotateX(-14deg);transform-origin:top;transition:opacity var(--t-slow) var(--ease),transform var(--t-slow) var(--snap)}
.layer em{font-style:normal;font-size:12.5px;color:var(--label);font-weight:400;text-align:right}
.layer.l5{background:var(--lime);color:var(--ink);border-color:var(--lime);border-bottom-color:#8CC65A;clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,0 100%)}
.layer.l5 em{color:#2f4a1d}
.stack.in .layer{opacity:1;transform:none}
.stack.in .l1{transition-delay:0ms}.stack.in .l2{transition-delay:120ms}.stack.in .l3{transition-delay:240ms}.stack.in .l4{transition-delay:360ms}.stack.in .l5{transition-delay:720ms}
.stack-base{display:flex;align-items:center;gap:10px;justify-content:center;font-size:12.5px;color:var(--label);padding-top:14px;border-top:1px solid var(--line);margin-top:6px}
@media (max-width:1060px){.knowledge-grid{grid-template-columns:1fr;gap:40px}.stack{max-width:520px}}
@media (max-width:700px){.layer{padding:14px 14px;font-size:15px;flex-direction:column;gap:2px;align-items:flex-start}.layer em{text-align:left}}

/* ── Jobs grid ── */
.jobs-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border:1px solid var(--line);background:var(--surface)}
.job-col{padding:24px 22px 26px;border-right:1px solid var(--line);display:grid;gap:16px;align-content:start}
.job-col:last-child{border-right:0}
.job-col h3{font-size:20px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.job-col ul{display:grid;gap:9px}
.job-col li{font-size:14.5px;line-height:1.45;color:var(--secondary);padding-left:16px;position:relative}
.job-col li::before{content:'';position:absolute;left:0;top:9px;width:6px;height:6px;background:var(--lime)}
.jobs>.wrap>.fine{margin-top:18px}
@media (max-width:1060px){.jobs-grid{grid-template-columns:1fr 1fr}.job-col:nth-child(2){border-right:0}.job-col:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media (max-width:700px){.jobs-grid{grid-template-columns:1fr}.job-col{border-right:0;border-bottom:1px solid var(--line)}.job-col:last-child{border-bottom:0}}

/* ── Models stage ── */
.models-stage{display:grid;gap:26px;justify-items:start;max-width:980px}
.models-title{font-size:clamp(40px,6.4vw,92px);line-height:1}
.model-slot{display:inline-grid;vertical-align:bottom;position:relative;color:var(--lime)}
.model-word{display:inline-block;transition:opacity 220ms var(--ease),transform 220ms var(--snap)}
.model-word.out{opacity:0;transform:translateY(.25em)}
.models-sub{margin-top:0}
.plug{display:flex;align-items:center;gap:0;flex-wrap:wrap;font-size:14.5px;font-weight:500}
.plug-host,.plug-acct{border:1px solid var(--line);padding:12px 18px;background:var(--surface)}
.plug-key{display:flex;align-items:center;gap:8px;background:var(--lime);color:var(--ink);padding:12px 18px;border-bottom:4px solid #8CC65A;clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,0 100%)}
.plug-wire{width:clamp(24px,5vw,72px);height:1px;background:var(--label);position:relative}
.plug-wire::after{content:'';position:absolute;top:-3px;left:0;width:7px;height:7px;background:var(--lime);animation:travel 1.6s linear infinite}
@keyframes travel{to{transform:translateX(calc(clamp(24px,5vw,72px) - 7px))}}
.models-switch{margin-top:4px}
.models-stage .fine{max-width:620px}
@media (max-width:700px){.plug{gap:10px}.plug-wire{display:none}.plug-host,.plug-acct,.plug-key{padding:10px 14px;font-size:13.5px}}

/* ── Compare table ── */
.compare-wrap{overflow-x:auto;border:1px solid var(--line);background:var(--surface)}
.compare-table{width:100%;border-collapse:collapse;min-width:720px;font-size:15px}
.compare-table th,.compare-table td{text-align:left;padding:16px 18px;border-bottom:1px solid var(--line-soft);vertical-align:top}
.compare-table thead th{font-size:12.5px;font-weight:500;color:var(--label);border-bottom:1px solid var(--line)}
.compare-table tbody th{font-weight:500;color:var(--text);width:24%}
.compare-table td{color:var(--secondary)}
.compare-table td.yes{color:var(--text)}
.compare-table .us{background:color-mix(in srgb,var(--lime) 7%,var(--surface));color:var(--text);font-weight:500;border-left:1px solid var(--line)}
.compare-table thead th.us{color:var(--lime)}
.compare-table td.us.yes::before{content:'';display:inline-block;width:7px;height:7px;background:var(--lime);margin-right:10px;vertical-align:middle}
.compare-table tr:last-child td,.compare-table tr:last-child th{border-bottom:0}
.compare>.wrap>.fine{margin-top:16px}

/* ── Pricing ── */
.pricing{border-top:1px solid var(--line-soft)}
.pricing-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.85fr);gap:clamp(32px,6vw,96px);align-items:center}
.pricing-copy .fine{margin-top:22px;max-width:520px}
.price-card{border:1px solid var(--line);background:var(--surface);padding:clamp(22px,3vw,32px);display:grid;gap:22px;position:relative}
.price-card::before{content:'';position:absolute;inset:14px -14px -14px 14px;border:1px solid var(--line-soft);z-index:-1}
.price-head{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding-bottom:18px;border-bottom:1px solid var(--line)}
.price-tbd{font-size:13px;font-weight:500;color:var(--lime);border:1px solid var(--lime);padding:6px 10px}
.price-list{display:grid;gap:12px}
.price-list li{font-size:15.5px;line-height:1.45;color:var(--text);padding-left:22px;position:relative}
.price-list li::before{content:'';position:absolute;left:0;top:9px;width:9px;height:9px;background:var(--lime)}
.price-list li em{font-style:normal;font-size:11.5px;color:var(--label);border:1px solid var(--line);padding:1px 6px;margin-left:6px;vertical-align:middle}
@media (max-width:1060px){.pricing-grid{grid-template-columns:1fr;gap:40px}}
@media (max-width:700px){.price-card::before{inset:10px -8px -8px 10px}}

@media (prefers-reduced-motion:reduce){
  .lane-state::before,.plug-wire::after{animation:none}
  .lane-list li,.lane-verdict,.layer{opacity:1;transform:none}
  .step{opacity:1}
}