/* =====================================================
   Interpretive Intelligence — Snap-scroll homepage
   Palette: cream / ink / burgundy / threshold
   Type: Lato (UI/wordmark) + Newsreader (editorial)
   ===================================================== */

:root {
  --ink:           #141311;
  --ink-soft:      #2a2622;
  --ink-quiet:     #6b6256;
  --cream:         #f6f2ea;
  --cream-deep:    #efe8db;
  --warm-white:    #fffdf8;
  --threshold:     #bfb5a8;
  --threshold-soft:#d8cfc2;
  --burgundy:      #8b2d24;
  --burgundy-deep: #6e1f18;
  --burgundy-soft: rgba(139, 45, 36, 0.12);

  --container: 1240px;
  --gutter: clamp(20px, 4vw, 56px);

  --serif: 'Newsreader', 'Source Serif Pro', 'Georgia', serif;
  --sans:  'Lato', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;

  --r-sm: 4px;
  --r-md: 8px;

  --shadow-soft: 0 1px 2px rgba(20,19,17,0.04), 0 8px 24px rgba(20,19,17,0.05);

  --nav-h: 64px;
}

@media (max-width: 760px) {
  :root { --nav-h: 56px; }
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

html, body {
  height: 100%;
  /* prevent native scroll on root — scroll happens in .snap container */
  overflow: hidden;
}

body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  width: 100%;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

a { color: inherit; }

::selection { background: var(--burgundy); color: var(--warm-white); }

/* =====================================================
   SNAP CONTAINER
   ===================================================== */

.snap {
  height: 100vh;
  height: 100svh;
  overflow-y: scroll;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.snap::-webkit-scrollbar { display: none; }

.snap__section {
  position: relative;
  height: 100vh;
  height: 100svh;
  min-height: 560px; /* prevent collapse on tiny windows */
  scroll-snap-align: start;
  scroll-snap-stop: always;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 8px) 0 28px;
  background: var(--cream);
  overflow: hidden;
}

.snap__section + .snap__section {
  border-top: 1px solid var(--threshold-soft);
}

/* alternating tone between sections for depth */
.snap__section.method,
.snap__section.audience {
  background: var(--cream-deep);
}

/* =====================================================
   WORDMARK
   ===================================================== */
.wordmark {
  display: inline-flex;
  align-items: baseline;
  font-family: 'Lato', sans-serif;
  font-weight: 500;
  font-size: 20px;
  letter-spacing: 0;
  line-height: 1;
  color: var(--ink);
}
.wordmark__ink { color: var(--ink); }
.wordmark__burgundy { color: var(--burgundy); }
.wordmark__rule {
  display: inline-block;
  width: 1px;
  height: 0.7em;
  margin: 0 0.42em;
  background: var(--threshold);
  transform: translateY(0.05em);
  align-self: flex-end;
}
.wordmark--sm { font-size: 19px; }
.wordmark--md { font-size: 28px; }
.wordmark--lg { font-size: 56px; }

/* =====================================================
   NAV (fixed overlay)
   ===================================================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 80;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--nav-h);
  padding: 0 var(--gutter);
  background: color-mix(in oklab, var(--cream) 86%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, background .3s ease;
}
.nav.is-scrolled {
  border-bottom-color: var(--threshold-soft);
}

.nav__brand { display: inline-flex; text-decoration: none; align-items: center; }

.nav__links {
  display: flex;
  gap: 30px;
  align-items: center;
  font-size: 13.5px;
  letter-spacing: 0.02em;
}
.nav__links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--ink-soft);
  position: relative;
  padding: 6px 0;
  line-height: 1;
  transition: color .2s ease;
}
.nav__links a:hover { color: var(--ink); }
.nav__links a:not(.nav__cta)::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--burgundy);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.nav__links a:not(.nav__cta):hover::after,
.nav__links a:not(.nav__cta).is-active::after { transform: scaleX(1); }

.nav__cta {
  min-height: 32px;
  min-width: 72px;
  border: 1px solid var(--ink);
  padding: 0 15px;
  border-radius: 999px;
  color: var(--ink);
  background: color-mix(in oklab, var(--cream) 72%, transparent);
  transition: background .25s, color .25s, border-color .25s;
}
.nav__cta:hover {
  background: var(--ink);
  color: var(--warm-white);
}

@media (max-width: 900px) {
  .nav__links { gap: 22px; font-size: 13px; }
}
@media (max-width: 760px) {
  .nav { padding: 0 16px; gap: 12px; }
  .nav__links { gap: 0; min-width: 0; }
  .nav__links a:not(.nav__cta) { display: none; }
  .wordmark--sm { font-size: 16px; }
  .nav__cta {
    font-size: 11px;
    min-height: 34px;
    min-width: 70px;
    padding: 0 13px;
    white-space: nowrap;
    letter-spacing: 0.01em;
  }
}
@media (max-width: 430px) {
  .wordmark--sm { font-size: 17px; }
}

/* =====================================================
   SIDE RAIL (dot navigator)
   ===================================================== */
.rail {
  position: fixed;
  z-index: 70;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  pointer-events: none;
}
.rail__dots {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  pointer-events: auto;
}
.rail__dot {
  appearance: none;
  background: transparent;
  border: 0;
  padding: 8px 6px;
  cursor: pointer;
  display: grid;
  place-items: center;
}
.rail__dot > span {
  display: block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--threshold);
  transition: transform .25s ease, background .25s ease, box-shadow .25s ease;
}
.rail__dot:hover > span {
  background: var(--ink-quiet);
  transform: scale(1.15);
}
.rail__dot.is-active > span {
  background: var(--burgundy);
  transform: scale(1.5);
  box-shadow: 0 0 0 4px rgba(139,45,36,0.10);
}
.rail__count {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--ink-quiet);
  pointer-events: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  line-height: 1;
}
.rail__count #rail-current { color: var(--ink); font-weight: 500; }
.rail__slash { color: var(--threshold); margin: 1px 0; }
@media (max-width: 900px) {
  .rail { right: 12px; gap: 12px; }
  .rail__dots { gap: 10px; }
  .rail__count { display: none; }
}
@media (max-width: 480px) {
  .rail { display: none; }
}

/* =====================================================
   SCROLL CUE (hero)
   ===================================================== */
.scroll-cue {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  background: transparent;
  border: 0;
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: var(--ink-quiet);
  font-family: var(--sans);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  z-index: 5;
  opacity: 0.85;
  transition: color .25s, opacity .25s;
}
.scroll-cue:hover { color: var(--ink); opacity: 1; }
.scroll-cue__line {
  width: 1px;
  height: 28px;
  background: linear-gradient(to bottom, var(--threshold), transparent);
  position: relative;
  overflow: hidden;
}
.scroll-cue__line::after {
  content: '';
  position: absolute;
  top: -50%;
  left: 0;
  width: 100%;
  height: 50%;
  background: var(--burgundy);
  animation: cue-fall 2.2s ease-in-out infinite;
}
@keyframes cue-fall {
  0%   { top: -50%; opacity: 0; }
  30%  { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}

/* =====================================================
   HERO — section 01
   ===================================================== */
.hero {
  background: var(--cream);
}
.hero__inner {
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(28px, 4vw, 64px);
  align-items: center;
  flex: 1;
  min-height: 0;
}

.hero__copy {
  position: relative;
  z-index: 2;
}

.hero__graph {
  position: relative;
  margin: 0;
  display: flex;
  flex-direction: column;
  height: auto;
  justify-content: center;
  min-width: 0;
  width: 100%;
  max-width: min(52vw, 720px);
  justify-self: end;
}
.graph__frame {
  position: relative;
  width: 100%;
  flex: 0 0 auto;
  aspect-ratio: 1.24 / 1;
  min-height: 360px;
  background:
    radial-gradient(ellipse at 70% 50%, var(--warm-white) 0%, var(--cream) 70%);
  border: 1px solid var(--threshold-soft);
  border-radius: 2px;
  overflow: hidden;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.6) inset,
    0 30px 60px -30px rgba(20,19,17,0.12),
    0 8px 24px -10px rgba(20,19,17,0.08);
}
#graph-canvas {
  display: block;
  width: 100%;
  height: 100%;
  cursor: crosshair;
}

/* corner registration marks */
.graph__corner {
  position: absolute;
  width: 14px; height: 14px;
  border: 1px solid var(--ink-quiet);
  opacity: 0.35;
}
.graph__corner--tl { top: 10px; left: 10px; border-right: none; border-bottom: none; }
.graph__corner--tr { top: 10px; right: 10px; border-left: none; border-bottom: none; }
.graph__corner--bl { bottom: 10px; left: 10px; border-right: none; border-top: none; }
.graph__corner--br { bottom: 10px; right: 10px; border-left: none; border-top: none; }

.graph__labels {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.graph__label {
  position: absolute;
  transform: translate(-50%, calc(-100% - 10px));
  font-family: var(--sans);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--warm-white);
  border: 1px solid var(--threshold-soft);
  padding: 3px 7px;
  border-radius: 2px;
  white-space: nowrap;
  box-shadow: 0 1px 2px rgba(20,19,17,0.06);
  opacity: 0;
  transition: opacity .2s ease;
  pointer-events: none;
  font-weight: 500;
}
.graph__label.is-visible { opacity: 1; }
.graph__label.is-resolved {
  border-color: var(--burgundy);
  color: var(--burgundy);
  background: var(--warm-white);
  transform: translate(-50%, calc(-100% - 16px));
}
.graph__label.is-anchor {
  color: var(--ink-quiet);
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 2px 4px;
  font-size: 10px;
  letter-spacing: 0.12em;
}

.graph__legend {
  margin-top: 12px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-quiet);
  align-items: center;
  flex-shrink: 0;
}
.legend__chip { display: inline-flex; align-items: center; gap: 7px; }
.legend__dot {
  width: 7px; height: 7px; border-radius: 50%;
  display: inline-block;
}
.legend__dot--node { background: var(--ink); }
.legend__dot--cluster { background: var(--threshold); border: 1px solid var(--ink-quiet); }
.legend__dot--resolved { background: var(--burgundy); }
.legend__hint {
  margin-left: auto;
  color: var(--ink-quiet);
  opacity: 0.7;
  font-style: italic;
  text-transform: none;
  letter-spacing: 0.02em;
  font-size: 11px;
}

.graph__status {
  position: absolute;
  top: 18px;
  right: 22px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-quiet);
  z-index: 3;
}
.status__label { opacity: .7; }
.status__value {
  color: var(--ink);
  font-weight: 500;
  margin-top: 3px;
  position: relative;
  padding-left: 14px;
}
.status__value::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--burgundy);
  transform: translateY(-50%);
  box-shadow: 0 0 0 0 rgba(139,45,36,0.5);
  animation: pulse 2.6s ease-out infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(139,45,36,0.35); }
  70%  { box-shadow: 0 0 0 9px rgba(139,45,36,0); }
  100% { box-shadow: 0 0 0 0 rgba(139,45,36,0); }
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-quiet);
  margin-bottom: 22px;
}
.eyebrow__rule {
  display: inline-block;
  width: 28px; height: 1px;
  background: var(--burgundy);
}

.hero__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(32px, 4.1vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 0 0 22px;
  max-width: 16ch;
}
.hero__line { display: block; }
.hero__line--accent {
  color: var(--burgundy);
  font-style: italic;
  font-weight: 400;
}

.hero__sub {
  font-size: clamp(15px, 1.35vw, 18px);
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 52ch;
  margin: 0 0 28px;
}
.hero__sub em {
  font-style: normal;
  color: var(--ink);
  font-weight: 500;
}

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

/* ----- HERO responsive ----- */
@media (max-width: 960px) {
  .hero__inner {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto minmax(0, 1fr);
    gap: 16px;
    align-content: stretch;
    overflow: hidden;
    padding-top: 12px;
    padding-bottom: 12px;
  }
  .hero__copy, .hero__graph { min-width: 0; }
  .hero__graph {
    max-height: none;
    max-width: 100%;
    justify-self: stretch;
    order: 2;
    min-height: 0;
  }
  .graph__frame {
    min-height: 0;
    aspect-ratio: 1.18 / 1;
  }
  .graph__label { font-size: 9.5px; padding: 2px 5px; }
  .graph__status { top: 10px; right: 10px; font-size: 9px; }
  .hero__copy { order: 1; }
  .hero__eyebrow { margin-bottom: 14px; font-size: 10.5px; gap: 8px; }
  .eyebrow__rule { width: 20px; }
  .hero__title { font-size: clamp(26px, 6.2vw, 36px); margin-bottom: 12px; }
  .hero__sub { font-size: 14.5px; margin-bottom: 16px; line-height: 1.5; }
  .hero__cta { gap: 10px; }
  .hero__cta .btn { padding: 11px 18px; font-size: 13px; }
  .scroll-cue { display: none; }
}
@media (max-width: 480px) {
  .graph__legend { display: none; }
  .graph__label {
    font-size: 8.5px;
    letter-spacing: 0.10em;
    padding: 2px 5px;
  }
  .graph__label.is-resolved {
    font-size: 9px;
    background: color-mix(in oklab, var(--warm-white) 92%, transparent);
  }
  .graph__status {
    left: 10px;
    right: auto;
    align-items: flex-start;
    max-width: 58%;
    font-size: 8px;
  }
  .status__value { margin-top: 1px; }
  .graph__legend {
    gap: 10px 14px;
    font-size: 9.5px;
    margin-top: 8px;
  }
  .legend__hint { display: none; }
  .hero__sub { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.03em;
  padding: 13px 22px;
  border-radius: 999px;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background .25s, color .25s, border-color .25s, transform .15s;
}
.btn:active { transform: translateY(1px); }
.btn--primary {
  background: var(--ink);
  color: var(--warm-white);
}
.btn--primary:hover { background: var(--burgundy); }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--threshold);
}
.btn--ghost:hover {
  border-color: var(--ink);
  background: var(--warm-white);
}
.btn--lg {
  padding: 16px 28px;
  font-size: 15px;
}
.btn__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--burgundy);
  display: inline-block;
}

/* =====================================================
   SECTION SHARED
   ===================================================== */
.section__eyebrow {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--burgundy);
  margin: 0 0 18px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.section__eyebrow::before {
  content: '';
  width: 22px; height: 1px;
  background: var(--burgundy);
  display: inline-block;
}
.section__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(28px, 3.6vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  max-width: 20ch;
}
.section__title--display {
  font-size: clamp(34px, 4.4vw, 58px);
  max-width: 22ch;
}
.section__lede {
  font-size: clamp(15px, 1.2vw, 17px);
  color: var(--ink-soft);
  max-width: 58ch;
  margin: 0 0 32px;
  line-height: 1.6;
}
.muted { color: var(--ink-quiet); font-style: italic; }

/* =====================================================
   02 — BOTTLENECK
   ===================================================== */
.bottleneck__inner {
  display: flex;
  flex-direction: column;
  gap: clamp(28px, 4vh, 56px);
}
.bottleneck__head { max-width: 880px; }
.bottleneck__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(36px, 5vw, 80px);
  max-width: 1040px;
}
.bottleneck__col p {
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.65;
  color: var(--ink-soft);
  margin: 0;
}
.bottleneck__col strong {
  color: var(--ink);
  font-weight: 500;
}
.bottleneck__meter {
  position: relative;
  height: 4px;
  margin-bottom: 22px;
  display: flex;
  align-items: center;
}
.bottleneck__meter-track {
  position: absolute;
  inset: 0;
  background: var(--threshold-soft);
  height: 1px;
  top: 50%;
  transform: translateY(-50%);
}
.bottleneck__meter-fill {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 2px;
  background: var(--ink);
  width: 0;
  transition: width 1.4s cubic-bezier(.2,.6,.2,1);
}
.bottleneck__meter--scarce .bottleneck__meter-fill {
  background: var(--burgundy);
}
.snap__section.is-visible .bottleneck__meter-fill[data-fill="abundant"] { width: 96%; }
.snap__section.is-visible .bottleneck__meter-fill[data-fill="scarce"]   { width: 14%; }
.bottleneck__meter-label {
  position: absolute;
  right: 0;
  top: -22px;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-quiet);
}
.bottleneck__meter--scarce .bottleneck__meter-label { color: var(--burgundy); }

.bottleneck__caption {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(15px, 1.2vw, 19px);
  color: var(--ink-quiet);
  margin: 0;
}
.bottleneck__caption-rule {
  display: inline-block;
  width: 56px;
  height: 1px;
  background: var(--burgundy);
}

@media (max-width: 760px) {
  .bottleneck__grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

/* =====================================================
   03 — METHOD
   ===================================================== */
.method__inner {
  display: flex;
  flex-direction: column;
  gap: clamp(24px, 4vh, 48px);
}
.method__head { max-width: 760px; }
.method__lede { margin-bottom: 0; }

.method__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
}
.method__steps::before {
  content: '';
  position: absolute;
  top: 18px;
  left: 0; right: 0;
  height: 1px;
  background: linear-gradient(
    to right,
    var(--threshold-soft) 0%,
    var(--threshold) 50%,
    var(--burgundy) 62%,
    var(--burgundy) 100%
  );
}
.step {
  padding: 0 24px 0 0;
  position: relative;
}
.step__num {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--cream-deep);
  border: 1px solid var(--threshold);
  color: var(--ink-quiet);
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.05em;
  position: relative;
  z-index: 1;
  transition: all .3s ease;
}
.step--resolved .step__num {
  border-color: var(--burgundy);
  color: var(--burgundy);
  background: var(--warm-white);
}
.step__title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(18px, 1.7vw, 22px);
  letter-spacing: -0.005em;
  margin: 22px 0 8px;
  color: var(--ink);
}
.step--resolved .step__title { color: var(--burgundy); }
.step__body {
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0;
}
@media (max-width: 900px) {
  .method__steps { grid-template-columns: repeat(2, 1fr); gap: 28px 24px; }
  .method__steps::before { display: none; }
  .step { padding: 0; }
}
@media (max-width: 760px) {
  .method__inner { gap: 18px; }
  .method .section__title { font-size: clamp(24px, 6.4vw, 32px); margin-bottom: 8px; }
  .method__lede { font-size: 14px; line-height: 1.45; }
}
@media (max-width: 520px) {
  .method__steps {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .step {
    display: grid;
    grid-template-columns: 32px 1fr;
    grid-template-areas:
      'num title'
      'num body';
    column-gap: 14px;
    row-gap: 2px;
    align-items: start;
  }
  .step__num { grid-area: num; width: 32px; height: 32px; font-size: 11px; }
  .step__title { grid-area: title; margin: 0 0 2px; font-size: 16px; }
  .step__body { grid-area: body; font-size: 13px; line-height: 1.45; }
}

/* =====================================================
   04 — WHAT WE BUILD
   ===================================================== */
.build__inner {
  display: flex;
  flex-direction: column;
  gap: clamp(24px, 4vh, 48px);
}
.build__head { max-width: 760px; }
.build__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 3vw, 48px) clamp(36px, 4vw, 64px);
}
.offering {
  position: relative;
  padding: 24px 0 0;
  border-top: 1px solid var(--threshold-soft);
}
.offering__rule {
  position: absolute;
  top: -1px; left: 0;
  width: 36px; height: 2px;
  background: var(--burgundy);
}
.offering h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(18px, 1.7vw, 22px);
  letter-spacing: -0.005em;
  margin: 0 0 10px;
}
.offering p {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0;
  max-width: 46ch;
}
@media (max-width: 760px) {
  .build__grid { grid-template-columns: 1fr; gap: 22px; }
  .offering { padding-top: 16px; }
}
@media (max-width: 480px) {
  .build__grid { gap: 16px; }
  .offering p { font-size: 13.5px; }
}

/* =====================================================
   05 — AUDIENCE
   ===================================================== */
.audience__inner {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: clamp(40px, 5vw, 80px);
  align-items: center;
}
.audience__head { max-width: 30ch; }
.audience__lede {
  font-size: clamp(15px, 1.2vw, 17px);
  color: var(--ink-soft);
  margin: 16px 0 0;
  max-width: 36ch;
}
.audience__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.audience__list li {
  display: grid;
  grid-template-columns: 16px auto 1fr;
  align-items: baseline;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--threshold-soft);
}
.audience__list li:first-child { padding-top: 0; }
.audience__list li:last-child { border-bottom: none; padding-bottom: 0; }
.audience__mark {
  width: 2px;
  height: 16px;
  background: var(--burgundy);
  display: inline-block;
  transform: translateY(2px);
}
.audience__role {
  font-family: var(--serif);
  font-size: clamp(17px, 1.5vw, 21px);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.audience__detail {
  font-size: clamp(14px, 1.1vw, 16px);
  color: var(--ink-soft);
  line-height: 1.5;
}
@media (max-width: 900px) {
  .audience__inner { grid-template-columns: 1fr; gap: 28px; align-items: start; }
}
@media (max-width: 600px) {
  .audience__list li {
    grid-template-columns: 12px 1fr;
    gap: 10px 12px;
    padding: 14px 0;
  }
  .audience__detail { grid-column: 2 / 3; }
  .audience__role { font-size: 16px; }
  .audience__detail { font-size: 13.5px; }
}

/* =====================================================
   06 — CLOSING
   ===================================================== */
.closing {
  text-align: left;
}
.closing__inner {
  max-width: 1120px;
  margin: 0 auto;
  width: 100%;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.82fr);
  align-items: center;
  gap: clamp(36px, 6vw, 84px);
}
.closing__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.closing__mark {
  display: inline-flex;
  align-items: baseline;
  gap: 0;
  margin-bottom: 28px;
  font-family: 'Lato', sans-serif;
  font-weight: 500;
  font-size: clamp(52px, 6vw, 80px);
  line-height: 1;
  position: relative;
}
.closing__i { display: inline-block; padding: 0 14px; }
.closing__i--ink { color: var(--ink); }
.closing__i--burgundy { color: var(--burgundy); }
.closing__rule {
  width: 1px;
  height: 56px;
  background: var(--threshold);
  align-self: flex-end;
  margin-bottom: 12px;
}
.closing__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(27px, 3.2vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
  max-width: 22ch;
}
.closing__sub {
  font-size: clamp(15px, 1.2vw, 17px);
  color: var(--ink-soft);
  max-width: 52ch;
  margin: 0 0 24px;
}
.closing__contact {
  margin-top: 0;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--ink-quiet);
}
.closing__contact a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--threshold);
}
.closing__contact a:hover { border-bottom-color: var(--burgundy); }
.contact-form {
  width: 100%;
  background: color-mix(in oklab, var(--warm-white) 82%, transparent);
  border: 1px solid var(--threshold-soft);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.7) inset,
    0 24px 48px -32px rgba(20,19,17,0.22);
  padding: clamp(18px, 2.5vw, 28px);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.form__hidden {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.form__field {
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-quiet);
}
.form__field input,
.form__field textarea,
.form__field select {
  width: 100%;
  border: 1px solid var(--threshold-soft);
  border-radius: 2px;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  letter-spacing: 0.01em;
  text-transform: none;
  padding: 12px 13px;
  outline: none;
}
.form__field textarea {
  min-height: 116px;
  resize: vertical;
  line-height: 1.45;
}
.form__field input:focus,
.form__field textarea:focus,
.form__field select:focus {
  border-color: var(--burgundy);
  box-shadow: 0 0 0 3px rgba(139,45,36,0.10);
}
.form__field textarea::placeholder {
  color: color-mix(in oklab, var(--ink-quiet) 72%, transparent);
}
.form__submit {
  align-self: flex-start;
  margin-top: 2px;
}
.closing__footer {
  grid-column: 1 / -1;
  margin-top: clamp(4px, 2vh, 18px);
  padding-top: 18px;
  border-top: 1px solid var(--threshold-soft);
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  text-align: left;
}
.closing__meta {
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--ink-quiet);
}

/* =====================================================
   THANK YOU PAGE
   ===================================================== */
.thanks-page {
  min-height: 100vh;
  background: var(--cream);
}
.thanks {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: var(--gutter);
  position: relative;
}
.thanks__brand {
  position: fixed;
  top: 22px;
  left: var(--gutter);
  text-decoration: none;
}
.thanks__card {
  width: min(100%, 620px);
  text-align: center;
  background: color-mix(in oklab, var(--warm-white) 78%, transparent);
  border: 1px solid var(--threshold-soft);
  padding: clamp(36px, 7vw, 72px);
  box-shadow: 0 28px 70px -42px rgba(20,19,17,0.22);
}
.thanks__mark {
  justify-content: center;
  margin-bottom: 26px;
}
.thanks__title {
  font-family: var(--serif);
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}
.thanks__copy {
  max-width: 42ch;
  margin: 0 auto 28px;
  color: var(--ink-soft);
}
@media (max-width: 900px) {
  .closing__inner {
    grid-template-columns: 1fr;
    gap: 22px;
    align-content: center;
  }
  .closing__content {
    align-items: center;
    text-align: center;
  }
  .closing__sub { margin-bottom: 18px; }
  .contact-form {
    max-width: 560px;
    margin: 0 auto;
  }
}
@media (max-width: 600px) {
  .snap__section.closing {
    justify-content: flex-start;
    padding-top: calc(var(--nav-h) + 12px);
    padding-bottom: 12px;
  }
  .closing__inner { gap: 16px; }
  .closing__mark { display: none; }
  .closing__title {
    font-size: clamp(22px, 6vw, 28px);
    line-height: 1.04;
    margin-bottom: 8px;
    max-width: 18ch;
  }
  .closing__sub {
    font-size: 13px;
    line-height: 1.38;
    max-width: 36ch;
    margin-bottom: 10px;
  }
  .closing__contact {
    font-size: 11px;
    letter-spacing: 0.04em;
  }
  .closing__domain { display: none; }
  .contact-form {
    padding: 13px;
    gap: 8px;
  }
  .form__row { grid-template-columns: 1fr 1fr; gap: 8px; }
  .form__field {
    gap: 5px;
    font-size: 10px;
    letter-spacing: 0.10em;
  }
  .form__field input,
  .form__field textarea,
  .form__field select {
    font-size: 13px;
    padding: 8px 9px;
  }
  .form__field--organization { display: none; }
  .form__field textarea { min-height: 78px; }
  .form__field select { min-height: 38px; }
  .form__submit { width: 100%; justify-content: center; }
  .form__submit.btn--lg { padding: 12px 18px; font-size: 13px; }
  .closing__footer {
    margin-top: 0;
    padding-top: 10px;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 5px;
  }
  .closing__footer .wordmark--sm { font-size: 14px; }
  .closing__meta { font-size: 10px; }
}

/* =====================================================
   REVEAL on snap section visibility
   ===================================================== */
.snap__section .section__eyebrow,
.snap__section .section__title,
.snap__section .section__lede,
.snap__section .bottleneck__col,
.snap__section .bottleneck__caption,
.snap__section .step,
.snap__section .offering,
.snap__section .audience__list li,
.snap__section .audience__head,
.snap__section .closing__mark,
.snap__section .closing__title,
.snap__section .closing__sub,
.snap__section .closing__footer,
.snap__section .btn {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .7s ease, transform .7s ease;
}
.snap__section.is-visible .section__eyebrow,
.snap__section.is-visible .section__title,
.snap__section.is-visible .section__lede,
.snap__section.is-visible .bottleneck__col,
.snap__section.is-visible .bottleneck__caption,
.snap__section.is-visible .step,
.snap__section.is-visible .offering,
.snap__section.is-visible .audience__list li,
.snap__section.is-visible .audience__head,
.snap__section.is-visible .closing__mark,
.snap__section.is-visible .closing__title,
.snap__section.is-visible .closing__sub,
.snap__section.is-visible .closing__footer,
.snap__section.is-visible .btn {
  opacity: 1;
  transform: none;
}
/* stagger steps + offerings + audience items */
.snap__section.is-visible .step:nth-child(2) { transition-delay: .08s; }
.snap__section.is-visible .step:nth-child(3) { transition-delay: .16s; }
.snap__section.is-visible .step:nth-child(4) { transition-delay: .24s; }
.snap__section.is-visible .step:nth-child(5) { transition-delay: .32s; }
.snap__section.is-visible .offering:nth-child(2) { transition-delay: .08s; }
.snap__section.is-visible .offering:nth-child(3) { transition-delay: .16s; }
.snap__section.is-visible .offering:nth-child(4) { transition-delay: .24s; }
.snap__section.is-visible .audience__list li:nth-child(2) { transition-delay: .08s; }
.snap__section.is-visible .audience__list li:nth-child(3) { transition-delay: .16s; }
.snap__section.is-visible .audience__list li:nth-child(4) { transition-delay: .24s; }

/* Hero copy: always visible (no reveal jitter on first paint) */
.snap__section.hero .hero__title,
.snap__section.hero .hero__sub,
.snap__section.hero .hero__eyebrow,
.snap__section.hero .hero__cta {
  opacity: 1;
  transform: none;
}

/* =====================================================
   REDUCED MOTION
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .snap { scroll-behavior: auto; }
}

/* =====================================================
   SHORT VIEWPORT FALLBACK
   For very short windows (e.g. < 600px tall desktop),
   allow internal scroll within sections rather than clip.
   ===================================================== */
@media (max-height: 600px) and (min-width: 760px) {
  .snap { scroll-snap-type: y proximity; }
  .snap__section {
    height: auto;
    min-height: 100vh;
    padding-top: calc(var(--nav-h) + 16px);
    padding-bottom: 32px;
  }
}