/* ---------- tokens ---------- */
:root {
  --black: #000;
  --white: #fff;
  --blue:  #1A6AFF;

  --ink:   #000;
  --ink-2: #5a5a5a;
  --ink-3: #9a9a9a;
  --rule:  #e6e6e6;
  --paper: #fff;
  --paper-2: #f4f4f4;

  /* the brand bar — 1/16 of the viewport, per the brandbook */
  --bar-h: 6.25vh;
  --bar-h-min: 32px;

  /* type */
  --ff: "Inter", ui-sans-serif, system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --tracking-tight: -0.035em;
  --tracking-tighter: -0.04em;
  --tracking-mono: 0.02em;

  /* layout */
  --gutter: clamp(24px, 4vw, 56px);
  --maxw: 1440px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body {
  font-family: var(--ff);
  font-weight: 300;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.45;
  font-feature-settings: "ss01", "cv11";
  /* reserve room for the persistent brand bar */
  padding-bottom: max(var(--bar-h), var(--bar-h-min));
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
::selection { background: var(--blue); color: var(--white); }

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px var(--gutter);
  background: var(--black);
  color: var(--white);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease;
}
.nav.is-scrolled { border-bottom-color: rgba(255,255,255,0.08); }

.nav__mark {
  display: inline-flex;
  align-items: center;
}

/* the one-and-only logo mark */
.brand-mark {
  display: block;
  width: auto;
  user-select: none;
  -webkit-user-drag: none;
  transition: transform .35s cubic-bezier(.22,.61,.36,1), opacity .25s ease;
}
.brand-mark--nav { height: 56px; }
.brand-mark--foot { height: 64px; }
.nav__mark:hover .brand-mark--nav { transform: translateY(-1px); }

.nav__links {
  display: flex;
  gap: 28px;
  font-size: 14px;
  color: rgba(255,255,255,0.65);
}
.nav__links a {
  position: relative;
  padding: 4px 0;
  transition: color .2s ease;
}
.nav__links a:hover,
.nav__links a.is-active { color: var(--white); }
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.nav__links a:hover::after,
.nav__links a.is-active::after { transform: scaleX(1); }

@media (max-width: 720px) {
  .nav__links { display: none; }
}

/* ---------- shared section frame ---------- */
.section {
  padding: clamp(64px, 10vw, 140px) var(--gutter);
  max-width: var(--maxw);
  margin: 0 auto;
}
.section + .section { border-top: 1px solid var(--rule); }

.section--invert {
  background: var(--black);
  color: var(--white);
  max-width: none;
  margin: 0;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
.section--invert + .section { border-top: 0; }
.section--invert .section__kicker { color: rgba(255,255,255,0.55); }

.section--dark {
  background: var(--black);
  color: var(--white);
  max-width: none;
  margin: 0;
}

.section__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-bottom: clamp(40px, 6vw, 72px);
  max-width: 1100px;
}
.section__kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  color: var(--ink-2);
  font-weight: 400;
}
.section__head--dark .section__kicker { color: rgba(255,255,255,0.6); }
.section__title {
  margin: 0;
  font-weight: 300;
  letter-spacing: var(--tracking-tight);
  font-size: clamp(36px, 5.6vw, 76px);
  line-height: 0.98;
}
.section__lede {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.55;
  color: var(--ink-2);
  font-weight: 300;
}

/* ---------- story / manifesto ---------- */
.story {
  padding-top: clamp(48px, 8vw, 120px);
  padding-bottom: clamp(48px, 8vw, 120px);
}
.story__body,
.story__close {
  margin: 0;
  max-width: 22ch;
  font-weight: 300;
  letter-spacing: var(--tracking-tight);
  line-height: 1.05;
  font-size: clamp(32px, 4.8vw, 64px);
  color: var(--ink-3);
}
.story__body + .story__body { margin-top: clamp(20px, 2vw, 32px); }
.story__close {
  margin-top: clamp(24px, 2.4vw, 40px);
  color: var(--ink);
  max-width: none;
}
.story__hl { color: var(--blue); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: clamp(48px, 8vw, 120px) var(--gutter) clamp(64px, 10vw, 140px);
  max-width: var(--maxw);
  margin: 0 auto;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 28px;
  font-size: 13px;
  color: var(--ink-2);
  letter-spacing: 0.01em;
}
.eyebrow .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 4px rgba(26,106,255,0.12);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 4px rgba(26,106,255,0.12); }
  50%     { box-shadow: 0 0 0 8px rgba(26,106,255,0.04); }
}

.wordmark {
  margin: 0;
  font-weight: 300;
  letter-spacing: var(--tracking-tighter);
  line-height: 0.92;
  font-size: clamp(56px, 13vw, 200px);
}
.wordmark__line { display: block; }
.wordmark__line--muted { color: var(--ink-3); }

.lede {
  max-width: 56ch;
  margin: 36px 0 0;
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.5;
  color: var(--ink-2);
  font-weight: 300;
}
.lede--sm { font-size: clamp(16px, 1.2vw, 18px); }

.hero__cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 40px;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.01em;
  transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
  border: 1px solid transparent;
}
.btn--primary {
  background: var(--blue);
  color: var(--white);
}
.btn--primary:hover {
  background: #0b56e8;
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn--ghost:hover {
  background: var(--ink);
  color: var(--white);
}

/* ---------- cards / grid ---------- */
.grid { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .grid--3 { grid-template-columns: 1fr; } }

.card {
  background: var(--paper);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  transition: background .25s ease;
}
.card:hover { background: var(--paper-2); }
.card__num {
  margin: 0;
  font-size: 12px;
  letter-spacing: var(--tracking-mono);
  color: var(--ink-3);
}
.card h3 {
  margin: 0;
  font-weight: 300;
  font-size: clamp(22px, 2vw, 28px);
  letter-spacing: var(--tracking-tight);
  line-height: 1.1;
}
.card p { margin: 0; color: var(--ink-2); }
.card::after {
  content: "";
  position: absolute;
  left: 32px; right: 32px; bottom: 28px;
  height: 1px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s ease;
}
.card:hover::after { transform: scaleX(0.18); }

/* Outline / Rate / Case — three identically outlined blocks per card */
.card__outline,
.card__rate,
.card__case {
  padding-top: 22px;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.card__rate { margin-top: auto; }  /* push Rate + Case to the bottom of the card */
.card__case-kicker {
  margin: 0;
  font-size: 11px;
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 400;
}
.card__outline p:not(.card__case-kicker),
.card__rate p:not(.card__case-kicker),
.card__case p:not(.card__case-kicker) {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-2);
}

/* Align Outline / Rate / Case bands horizontally across the row of service
   cards: each card becomes a subgrid spanning the parent's five rows. */
@media (min-width: 901px) {
  #services .grid--3 {
    grid-template-rows: auto auto 1fr auto auto;
    column-gap: 1px;
    row-gap: 0;
  }
  #services .card {
    display: grid;
    grid-template-rows: subgrid;
    grid-template-columns: 1fr;
    grid-row: span 5;
    row-gap: 14px;
  }
  #services .card__rate { margin-top: 0; }
}

/* ---------- layers ---------- */
.layers {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}
.layers::before {
  /* top rule drawn in once the section reveals */
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 1px;
  background: var(--rule);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.2s cubic-bezier(.2,.75,.2,1);
}
.layers.is-armed::before { transform: scaleX(1); }

.layers__row {
  display: grid;
  grid-template-columns: 64px minmax(220px, 1.1fr) 2fr;
  align-items: baseline;
  gap: 28px;
  padding: clamp(18px, 1.8vw, 26px) 0;
  position: relative;
}
.layers__row::after {
  /* the row's underline — drawn in left-to-right as the row reveals */
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--rule);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.1s cubic-bezier(.2,.75,.2,1);
  transition-delay: calc(var(--i, 0) * 70ms + 140ms);
}
.layers__row.is-in::after { transform: scaleX(1); }
.layers__num {
  font-size: 12px;
  letter-spacing: var(--tracking-mono);
  color: var(--ink-3);
  font-feature-settings: "tnum";
}
.layers__name {
  font-size: clamp(20px, 2vw, 28px);
  letter-spacing: var(--tracking-tight);
  color: var(--ink);
  line-height: 1.15;
  font-weight: 300;
}
.layers__tags {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.55;
}

@media (max-width: 820px) {
  .layers__row {
    grid-template-columns: 40px 1fr;
    gap: 16px;
    padding-bottom: 22px;
  }
  .layers__name { grid-column: 2; }
  .layers__tags { grid-column: 2; }
}

/* ---------- values (dark slab) ---------- */
.values {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: var(--maxw);
  margin-left: auto;
  margin-right: auto;
}
.values__item {
  display: grid;
  grid-template-columns: minmax(60px, 12%) 1fr;
  align-items: baseline;
  gap: 24px;
  padding: clamp(20px, 3vw, 36px) 0;
  border-top: 1px solid rgba(255,255,255,0.18);
  font-weight: 300;
}
.values__item:last-child { border-bottom: 1px solid rgba(255,255,255,0.18); }
.values__index {
  color: rgba(255,255,255,0.55);
  font-size: clamp(20px, 2vw, 28px);
  letter-spacing: var(--tracking-tight);
}
.values__word {
  font-size: clamp(56px, 11vw, 168px);
  line-height: 0.95;
  letter-spacing: var(--tracking-tighter);
  color: var(--white);
}

/* ---------- approach split ---------- */
.split {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }
.split__copy .lede { margin-top: 0; }
.split__copy .lede + .lede { margin-top: 20px; }

.facts {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}
.facts__row {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 15px;
}
.facts__row dt {
  margin: 0;
  font-size: 12px;
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  color: var(--ink-3);
  padding-top: 3px;
}
.facts__row dd {
  margin: 0;
  color: var(--ink);
}

/* ---------- lead engineer ---------- */
.lead-split {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
@media (max-width: 900px) {
  .lead-split { grid-template-columns: 1fr; }
}

.lead__copy {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.lead__name {
  margin: 0;
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 300;
  letter-spacing: var(--tracking-tight);
  line-height: 1.05;
}
.lead__copy .lede { margin: 0; }
.lead__copy .facts { margin-top: 4px; }

.lead__portrait {
  margin: 0;
  position: relative;
  align-self: start;
}
.lead__portrait img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
  filter: grayscale(100%) contrast(1.02);
  transition: filter .8s cubic-bezier(.2,.7,.2,1);
}
.lead__portrait:hover img { filter: grayscale(0%) contrast(1); }
.lead__portrait::after {
  /* the brand bar treatment — blue strip under the portrait */
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 8px;
  background: var(--blue);
}

/* ---------- contact (dark) ---------- */
#contact { padding: 0; }
.contact-split {
  display: grid;
  grid-template-columns: minmax(320px, 38%) 1fr;
  gap: 0;
  align-items: stretch;
}
.contact__photo {
  margin: 0;
  position: relative;
}
.contact__photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 60%;
}
.contact-split__main {
  padding: clamp(64px, 10vw, 140px) var(--gutter);
}
@media (max-width: 900px) {
  .contact-split { grid-template-columns: 1fr; }
  .contact__photo img { aspect-ratio: 4 / 5; }
  .contact-split__main { padding: clamp(48px, 6vw, 80px) var(--gutter); }
}

.contact {
  max-width: var(--maxw);
  margin: 0 auto;
}
.contact__lede {
  max-width: 56ch;
  font-size: clamp(18px, 1.6vw, 22px);
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
  margin: 0 0 56px;
  font-weight: 300;
}
.contact__rows {
  border-top: 1px solid rgba(255,255,255,0.18);
}
.contact__row {
  display: grid;
  grid-template-columns: minmax(120px, 18%) 1fr;
  align-items: baseline;
  gap: 24px;
  padding: clamp(20px, 2.4vw, 32px) 0;
  border-bottom: 1px solid rgba(255,255,255,0.18);
  color: var(--white);
  transition: color .25s ease;
}
.contact__row:hover { color: var(--blue); }
.contact__row--static { color: rgba(255,255,255,0.55); pointer-events: none; }

.contact__label {
  font-size: 12px;
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  align-self: center;
}
.contact__value {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: clamp(20px, 2.6vw, 38px);
  letter-spacing: var(--tracking-tight);
  line-height: 1.05;
  font-weight: 300;
  word-break: break-word;
}
.contact__arrow {
  font-size: clamp(20px, 2vw, 28px);
  transform: translateX(0);
  transition: transform .25s ease;
  color: rgba(255,255,255,0.45);
}
.contact__row:hover .contact__arrow {
  transform: translateX(8px);
  color: var(--blue);
}

@media (max-width: 720px) {
  .contact__row { grid-template-columns: 1fr; gap: 8px; }
}

/* ---------- footer ---------- */
.section--dark .foot {
  background: var(--black);
}
.foot {
  background: var(--black);
  color: var(--white);
  padding: clamp(48px, 6vw, 80px) var(--gutter) clamp(48px, 6vw, 80px);
  border-top: 1px solid rgba(255,255,255,0.12);
}
.foot__cols {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  font-size: 14px;
  color: rgba(255,255,255,0.65);
}
@media (max-width: 720px) { .foot__cols { grid-template-columns: 1fr 1fr; } }
.foot__col p { margin: 0 0 6px; }
.foot__label {
  color: rgba(255,255,255,0.4);
  font-size: 12px;
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  margin-bottom: 12px !important;
}
.foot a:hover { color: var(--blue); }

/* ---------- legal / terms page ---------- */
.legal {
  max-width: 820px;
  margin: 0 auto;
  padding: clamp(64px, 8vw, 120px) var(--gutter) clamp(64px, 8vw, 120px);
}
.legal__head { margin-bottom: clamp(48px, 5vw, 72px); }
.legal__title {
  margin: 12px 0 0;
  font-size: clamp(36px, 4.4vw, 64px);
  font-weight: 300;
  letter-spacing: var(--tracking-tight);
  line-height: 1.02;
}
.legal__meta {
  margin: 18px 0 28px;
  font-size: 13px;
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  color: var(--ink-3);
}
.legal__intro {
  margin: 0;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-2);
  font-weight: 300;
}

.article {
  margin: clamp(40px, 4vw, 56px) 0;
  padding-top: clamp(28px, 3vw, 40px);
  border-top: 1px solid var(--rule);
}
.article__num {
  margin: 0;
  font-size: 12px;
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 400;
}
.article__title {
  margin: 6px 0 24px;
  font-size: clamp(22px, 2.4vw, 32px);
  font-weight: 300;
  letter-spacing: var(--tracking-tight);
  line-height: 1.15;
}
.clauses { display: flex; flex-direction: column; gap: 18px; }
.clause {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-2);
}
.clause p { margin: 0; }
.clause__num {
  font-feature-settings: "tnum";
  color: var(--ink-3);
  font-size: 13px;
  letter-spacing: var(--tracking-mono);
}
.clause__term {
  font-weight: 400;
  color: var(--ink);
  margin: 0 0 4px !important;
}
@media (max-width: 600px) {
  .clause { grid-template-columns: 36px 1fr; gap: 12px; font-size: 14px; }
}

/* ---------- brand guidelines page ---------- */
.brand-mark--xl { height: 112px; }

.lockup-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin-bottom: clamp(40px, 5vw, 64px);
}
.lockup {
  margin: 0;
  padding: clamp(48px, 6vw, 96px) var(--gutter);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
}
.lockup--light { background: var(--paper); }
.lockup--dark  { background: var(--black); }
@media (max-width: 720px) {
  .lockup-grid { grid-template-columns: 1fr; }
}

.brand-facts { margin-top: clamp(24px, 3vw, 40px); }

.brandbar-demo {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--rule);
  overflow: hidden;
}
.brandbar-demo__page {
  background: var(--paper-2);
  height: clamp(220px, 28vw, 360px);
  display: flex;
  align-items: center;
  justify-content: center;
}
.brandbar-demo__strip {
  background: var(--blue);
  height: max(var(--bar-h), var(--bar-h-min));
  display: flex;
  align-items: center;
  padding: 0 var(--gutter);
}
.brandbar-demo__label {
  font-size: 12px;
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 400;
}
.brandbar-demo__label--strip { color: rgba(255,255,255,0.85); }

.brand-subhead {
  margin: clamp(40px, 5vw, 64px) 0 clamp(16px, 1.6vw, 24px);
  font-size: 12px;
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 400;
}
.brand-subhead:first-of-type { margin-top: 0; }

.brand-grid {
  display: grid;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 820px) { .brand-grid { grid-template-columns: 1fr; } }

.swatch {
  margin: 0;
  background: var(--paper);
  display: flex;
  flex-direction: column;
}
.swatch__chip {
  height: 160px;
}
.swatch__chip--bordered { box-shadow: inset 0 0 0 1px var(--rule); }
.swatch__meta {
  padding: 20px 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.swatch__name {
  font-size: 15px;
  color: var(--ink);
  letter-spacing: var(--tracking-tight);
}
.swatch__hex {
  font-size: 12px;
  letter-spacing: var(--tracking-mono);
  color: var(--ink-3);
  text-transform: uppercase;
  font-feature-settings: "tnum";
}
.swatch__role {
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.5;
}

.specimens {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}
.specimen {
  display: grid;
  grid-template-columns: minmax(120px, 18%) 1fr;
  gap: 24px;
  align-items: baseline;
  padding: clamp(18px, 2.2vw, 28px) 0;
  border-bottom: 1px solid var(--rule);
}
.specimen__label {
  font-size: 12px;
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 400;
}
.specimen__sample { color: var(--ink); }
.specimen__sample--lg {
  font-size: clamp(28px, 3.4vw, 44px);
  letter-spacing: -0.035em;
  line-height: 1.05;
}
@media (max-width: 720px) {
  .specimen { grid-template-columns: 1fr; gap: 10px; }
}

/* ---------- the brand bar ---------- */
.brandbar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  height: max(var(--bar-h), var(--bar-h-min));
  background: var(--blue);
  z-index: 50;
  pointer-events: none;
}

/* ---------- reveal animation ---------- */
.reveal {
  filter: blur(10px);
  transform: translateY(12px);
  transition:
    filter .8s cubic-bezier(.2,.7,.2,1),
    transform .8s cubic-bezier(.2,.7,.2,1);
}
.reveal.is-in {
  filter: blur(0);
  transform: translateY(0);
}

/* per-row staggered cascade for the layers section */
.layers__row.reveal {
  opacity: 0;
  transform: translateY(28px);
  filter: blur(3px);
  transition:
    opacity 1.05s cubic-bezier(.2,.75,.2,1),
    transform 1.05s cubic-bezier(.2,.75,.2,1),
    filter 1.05s cubic-bezier(.2,.75,.2,1);
  transition-delay: calc(var(--i, 0) * 80ms);
  will-change: opacity, transform, filter;
}
.layers__row.reveal.is-in {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}
/* keep the cells in sync: number fades in slightly later for a nicer rhythm */
.layers__row .layers__num,
.layers__row .layers__name,
.layers__row .layers__tags { transition: color .25s ease; }

@media (prefers-reduced-motion: reduce) {
  .reveal { filter: none; transform: none; transition: none; }
  .layers__row.reveal { opacity: 1; transform: none; filter: none; transition: none; }
  .layers__row.reveal::after { transform: scaleX(1); transition: none; }
  .layers::before { transform: scaleX(1); transition: none; }
  .eyebrow .dot { animation: none; }
}