/* ==========================================================================
   THE ADOPTION TREE MODEL · design system
   Ink: #0C0D12 · Bone: #F4F2ED · Signal: #FF5C1F
   Type: Archivo (display/body) · IBM Plex Mono (labels)
   ========================================================================== */

:root {
  --ink: #0C0D12;
  --ink-2: #10121A;
  --ink-3: #15171F;
  --ink-4: #2A2E3B;
  --bone: #F4F2ED;
  --grey: #8A8F9E;
  --grey-2: #6C7280;
  --orange: #FF5C1F;
  --line: rgba(244, 242, 237, 0.09);
  --line-strong: rgba(244, 242, 237, 0.18);

  --font-sans: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;

  --pad-x: clamp(1.25rem, 5vw, 5rem);
  --section-y: clamp(6rem, 11vw, 10.5rem);
  --maxw: 82rem;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--orange); color: var(--ink); }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---------- primitives ---------- */

.label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--grey);
}
.label--dim { color: var(--grey-2); }
.label--orange { color: var(--orange); }

.accent { color: var(--orange); }

.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.85em 1.7em;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.btn:hover { border-color: var(--orange); color: var(--orange); }
.btn--solid { background: var(--bone); color: var(--ink); border-color: var(--bone); }
.btn--solid:hover { background: var(--orange); border-color: var(--orange); color: var(--ink); }
.btn--orange { background: var(--orange); color: var(--ink); border-color: var(--orange); font-size: 0.8rem; padding: 1.1em 2.2em; }
.btn--orange:hover { background: var(--bone); border-color: var(--bone); color: var(--ink); }

/* ---------- reveal animation ---------- */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ==========================================================================
   NAV
   ========================================================================== */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 2.5rem;
  padding: 1.1rem var(--pad-x);
  background: rgba(12, 13, 18, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}
.nav.is-scrolled { border-bottom-color: var(--line); }

.nav__brand { display: flex; align-items: center; gap: 0.7rem; margin-right: auto; }
.nav__mark {
  width: 0.7rem; height: 0.7rem;
  background: var(--orange);
  flex: none;
  transition: transform 0.3s ease;
}
.nav__brand:hover .nav__mark { transform: rotate(90deg); }
.nav__name {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav__links { display: flex; gap: 1.9rem; }
.nav__links a {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--grey);
  transition: color 0.2s ease;
  white-space: nowrap;
}
.nav__links a:hover, .nav__links a.is-active { color: var(--bone); }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 6px 2px;
}
.nav__burger span { width: 24px; height: 1.5px; background: var(--bone); transition: transform 0.3s ease, opacity 0.3s ease; }
.nav__burger.is-open span:first-child { transform: translateY(3.75px) rotate(45deg); }
.nav__burger.is-open span:last-child { transform: translateY(-3.75px) rotate(-45deg); }

/* ==========================================================================
   HERO
   ========================================================================== */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 7rem var(--pad-x) 4rem;
  overflow: hidden;
}
@media (min-height: 1400px) { .hero { min-height: 62rem; } }

.hero__grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: clamp(80px, 12vw, 160px) clamp(80px, 12vw, 160px);
  mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, black 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, black 0%, transparent 75%);
  opacity: 0.6;
  pointer-events: none;
}

.hero { padding-left: max(var(--pad-x), calc((100% - var(--maxw)) / 2)); padding-right: max(var(--pad-x), calc((100% - var(--maxw)) / 2)); }
.hero__inner { position: relative; width: 100%; }

.hero__title {
  font-size: clamp(3.4rem, 12.5vw, 11.5rem);
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  margin: 1.8rem 0 2.6rem;
}
.hero__line { display: block; overflow: hidden; }
.hero__line > span {
  display: inline-block;
  transform: translateY(110%);
  animation: heroRise 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.hero__line:nth-child(2) > span { animation-delay: 0.12s; }
.hero__line:nth-child(3) > span { animation-delay: 0.24s; }

@keyframes heroRise { to { transform: translateY(0); } }

@media (prefers-reduced-motion: reduce) {
  .hero__line > span { transform: none; animation: none; }
}

.hero__tm {
  font-size: 0.13em;
  font-weight: 600;
  letter-spacing: 0;
  color: var(--grey);
  vertical-align: 4.4em;
  margin-left: 0.15em;
}

.hero__cursor {
  display: inline-block;
  width: 0.14em; height: 0.72em;
  background: var(--orange);
  margin-left: 0.08em;
  animation: blink 1.2s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero__foot {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.hero__tag {
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  line-height: 1.5;
  max-width: 34rem;
}
.hero__tag em { font-style: normal; color: var(--grey); }

.hero__scroll {
  position: absolute;
  bottom: 2.2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
}
.hero__scroll .label { font-size: 0.62rem; }
.hero__scroll-line {
  width: 1px; height: 3.4rem;
  background: linear-gradient(to bottom, var(--grey-2), transparent);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: "";
  position: absolute;
  top: -40%; left: 0;
  width: 100%; height: 40%;
  background: var(--orange);
  animation: scrollDrip 2s ease-in-out infinite;
}
@keyframes scrollDrip { to { top: 110%; } }

/* ==========================================================================
   SECTIONS · shared
   ========================================================================== */

.section {
  padding: var(--section-y) max(var(--pad-x), calc((100% - var(--maxw)) / 2));
  border-top: 1px solid var(--line);
  position: relative;
  scroll-margin-top: 4rem;
}
.section--tinted { background: var(--ink-2); }

.section__head {
  display: flex;
  align-items: baseline;
  gap: 1.4rem;
  margin-bottom: clamp(2.6rem, 5vw, 4.2rem);
}
.section__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--orange);
}
.section__title {
  font-size: clamp(2rem, 4.6vw, 3.6rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 1.6rem;
}
.section__sub {
  font-size: clamp(1.02rem, 1.5vw, 1.2rem);
  color: var(--grey);
  max-width: 46rem;
  margin-bottom: clamp(2.6rem, 5vw, 4rem);
}
.section__sub strong { color: var(--bone); font-weight: 600; }

.section__kicker {
  font-size: clamp(1.15rem, 2.2vw, 1.6rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-top: clamp(3rem, 6vw, 5rem);
  padding-top: 2.2rem;
  border-top: 1px solid var(--line);
}
.section__kicker--big { font-size: clamp(1.5rem, 3.2vw, 2.4rem); font-weight: 700; }

/* ==========================================================================
   CHAPTERS · the golden-circle spine (Why / How / What / Start)
   ========================================================================== */

.chapter {
  display: flex;
  align-items: center;
  gap: clamp(1.8rem, 4vw, 3.5rem);
  padding: clamp(4.5rem, 9vw, 8rem) 7vw clamp(1.5rem, 3vw, 2.5rem);
  max-width: 90rem;
  margin: 0 auto;
  scroll-margin-top: 5.5rem;
}
.chapter__rings { flex: none; width: clamp(72px, 8vw, 96px); }
.chapter__rings svg { display: block; width: 100%; height: auto; }
.chapter__title {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0.7rem 0 0.6rem;
}
.chapter__sub { color: var(--grey); font-size: clamp(0.98rem, 1.4vw, 1.1rem); max-width: 34rem; }

/* ==========================================================================
   MISSION
   ========================================================================== */

.section--mission { padding-top: clamp(3rem, 6vw, 5rem); }
.mission__statement {
  font-size: clamp(2.1rem, 5.2vw, 4.3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
  max-width: 62rem;
}
.mission__count { color: var(--orange); font-variant-numeric: tabular-nums; }
.mission__sub {
  color: var(--grey);
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  max-width: 40rem;
  margin-top: 2rem;
}

/* ==========================================================================
   WHITE PAPER
   ========================================================================== */

.paper {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
}
.paper__cta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 2.2rem;
}
.paper__meta {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--grey-2);
}
.paper__doc {
  position: relative;
  justify-self: center;
  width: clamp(220px, 22vw, 290px);
  aspect-ratio: 1 / 1.414;
}
.paper__sheet {
  position: absolute;
  inset: 0;
  background: var(--ink-3);
  border: 1px solid var(--line-strong);
  display: flex;
  flex-direction: column;
  padding: 1.6rem 1.5rem;
}
.paper__sheet--back {
  transform: rotate(4.5deg) translate(14px, 8px);
  opacity: 0.55;
}
.paper__sheet--front {
  transform: rotate(-2deg);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.5);
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}
.paper__doc:hover .paper__sheet--front { transform: rotate(0deg) scale(1.02); }
.paper__mark {
  width: 16px; height: 16px;
  background: var(--orange);
  margin-bottom: auto;
}
.paper__doctitle {
  font-size: clamp(1.3rem, 1.9vw, 1.7rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 0.8rem;
}
.paper__docsub { color: var(--grey); font-size: 0.82rem; line-height: 1.5; }
.paper__docfoot {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--grey-2);
}

/* engagement, compressed: the three words under the spine */
.phases__words {
  display: flex;
  justify-content: space-between;
  margin-top: 1rem;
}
.phases__words span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--grey);
}
.phases__words span:first-child { color: var(--orange); }
.phases__words span:last-child { color: var(--bone); }

/* office, solo column */
.office--solo { grid-template-columns: 1fr; max-width: 56rem; }

/* ==========================================================================
   01 DOCTRINE
   ========================================================================== */

.section--doctrine { text-align: left; }
.doctrine__statement {
  font-size: clamp(2.1rem, 5.4vw, 4.4rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.025em;
  max-width: 62rem;
}
.doctrine__sub {
  margin-top: 2.4rem;
  color: var(--grey);
  font-size: 1.05rem;
  max-width: 40rem;
}

/* ==========================================================================
   02 POSITIONING
   ========================================================================== */

.versus {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
}
.versus__col { padding: clamp(2.2rem, 4vw, 3.6rem) 0; }
.versus__col--them { padding-right: clamp(2rem, 5vw, 5rem); }
.versus__col--us {
  border-left: 1px solid var(--line-strong);
  padding-left: clamp(2rem, 5vw, 5rem);
  position: relative;
}
.versus__col--us::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 90% 60% at 30% 10%, rgba(255, 92, 31, 0.06), transparent 70%);
  pointer-events: none;
}
.versus__display {
  font-size: clamp(1.9rem, 3.8vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 1.4rem 0 1.6rem;
  color: var(--grey);
}
.versus__display--us { color: var(--bone); }
.versus__display .strike::after { height: 3px; }
.versus__list--x li,
.versus__body {
  color: var(--grey);
  font-size: 1.02rem;
}
.versus__list--x li {
  padding: 0.55rem 0 0.55rem 1.7rem;
  position: relative;
}
.versus__list--x li::before {
  content: "×";
  position: absolute;
  left: 0;
  color: var(--grey-2);
  font-family: var(--font-mono);
}
.versus__body { color: var(--bone); max-width: 26rem; position: relative; }
.versus__marks { display: flex; gap: 0.5rem; margin-top: 2.4rem; }
.versus__marks i {
  width: 9px; height: 9px;
  background: var(--orange);
  transform: rotate(45deg);
  opacity: 0.9;
}
.versus__marks i:nth-child(2) { opacity: 0.55; }
.versus__marks i:nth-child(3) { opacity: 0.25; }

/* ==========================================================================
   03 WHY NOW · the adoption gap
   ========================================================================== */

.stat__src {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--grey-2);
}

.gap { position: relative; padding: 1rem 0 2.5rem; }
.gap__fig {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  margin-bottom: 1.8rem;
}
.gap__fig-num, .gap__fig-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--grey-2);
}
.gap__fig-num { color: var(--grey); }
.gap__fig-rule { flex: 1; height: 1px; background: var(--line); }

/* horizontal dimension line inside the 5% row: from the bar tip to the 88% mark */
.gap__dim {
  position: absolute;
  top: 50%;
  left: calc(5% + 14px);
  right: calc(100% - 88%);
  height: 1px;
  background: rgba(255, 92, 31, 0.4);
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1s cubic-bezier(0.16, 1, 0.3, 1) 1.5s, opacity 0.4s ease 1.5s;
}
.gap.is-visible .gap__dim { opacity: 1; transform: scaleX(1); }
.gap__dim::before, .gap__dim::after {
  content: "";
  position: absolute;
  top: -5px;
  width: 1px; height: 11px;
  background: rgba(255, 92, 31, 0.7);
}
.gap__dim::before { left: 0; }
.gap__dim::after { right: 0; }
.gap__dim em {
  position: absolute;
  left: 50%;
  top: -1.5rem;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
  white-space: nowrap;
}
.gap__row {
  display: grid;
  grid-template-columns: clamp(7rem, 12vw, 10.5rem) 1fr;
  gap: clamp(1.2rem, 3vw, 2.5rem);
  align-items: center;
  padding: 1.5rem 0;
}
.gap__row + .gap__row { border-top: 1px solid var(--line); }
.gap__value {
  font-size: clamp(3rem, 6.5vw, 5.4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  white-space: nowrap;
}
.gap__value--orange { color: var(--orange); }
.gap__unit { font-size: 0.45em; font-weight: 700; margin-left: 0.06em; }
.gap__right { min-width: 0; }
.gap__track {
  position: relative;
  height: 14px;
  background: rgba(244, 242, 237, 0.05);
  margin-bottom: 0.9rem;
}
.gap__track::after {
  content: "";
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 1px;
  background: rgba(244, 242, 237, 0.12);
}
.gap__bar {
  display: block;
  height: 100%;
  width: 0;
  background: var(--bone);
  transition: width 1.4s cubic-bezier(0.16, 1, 0.3, 1) 0.25s;
}
.gap__bar--mid { background: var(--grey-2); transition-delay: 0.45s; }
.gap__bar--orange { background: var(--orange); transition-delay: 0.65s; box-shadow: 0 0 24px rgba(255, 92, 31, 0.5); }
.gap.is-visible .gap__bar { width: var(--w); }
.gap__desc { color: var(--grey); font-size: 0.98rem; }
.gap__desc .stat__src { display: inline-block; margin-left: 1.2em; }
.gap__note {
  display: none;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
  margin: 0.5rem 0 0.2rem;
}

.evidence {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  padding-top: 2.4rem;
  margin-top: 1rem;
}
.evidence__item { padding: 0 clamp(1.5rem, 3vw, 2.6rem); border-left: 1px solid var(--line); }
.evidence__item:first-child { padding-left: 0; border-left: 0; }
.evidence__stat {
  display: block;
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 0.8rem;
  color: var(--grey);
}
.evidence__item p { font-size: 0.95rem; color: var(--grey); margin-bottom: 0.7rem; }

/* ==========================================================================
   04 WHO WE SERVE
   ========================================================================== */

.who__chips { margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.chips { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.3rem; }
.chip--tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grey);
  border-color: var(--line-strong);
  border-radius: 999px;
}
.chip--tag:hover { color: var(--bone); border-color: var(--grey); }

.sectors__row {
  display: flex;
  align-items: baseline;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding: clamp(1.2rem, 2.5vw, 1.9rem) 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.sectors__row:first-of-type { border-top: 1px solid var(--line); margin-top: 1.3rem; }
.sectors__num { font-family: var(--font-mono); font-size: 0.78rem; color: var(--orange); }
.sectors__name {
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.sectors__arrow {
  margin-left: auto;
  color: var(--grey-2);
  font-size: 1.4rem;
  transition: color 0.25s ease, transform 0.25s ease;
}
.sectors__row:hover { padding-left: 1rem; }
.sectors__row:hover .sectors__arrow { color: var(--orange); transform: translateX(6px); }

.ticklist li {
  padding: 1.05rem 0 1.05rem 2.2rem;
  border-bottom: 1px solid var(--line);
  position: relative;
  font-size: 1.08rem;
}
.ticklist li:first-child { border-top: 1px solid var(--line); margin-top: 1.4rem; }
.ticklist li::before {
  content: "";
  position: absolute;
  left: 0.2rem;
  top: 50%;
  width: 0.55rem; height: 0.55rem;
  transform: translateY(-50%) rotate(45deg);
  background: var(--orange);
}
.ticklist--tight { counter-reset: manifest; }
.ticklist--tight li { padding-top: 0.85rem; padding-bottom: 0.85rem; }
.ticklist--tight li::before {
  content: "0" counter(manifest);
  counter-increment: manifest;
  width: auto; height: auto;
  background: none;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--orange);
}

.who__sectors { margin-top: 1.4rem; display: flex; flex-direction: column; }
.who__sector {
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  padding: 1.3rem 0;
  border-bottom: 1px solid var(--line);
  transition: color 0.25s ease, padding-left 0.25s ease;
}
.who__sector:first-child { border-top: 1px solid var(--line); }
.who__sector:hover { color: var(--orange); padding-left: 0.8rem; }

/* ==========================================================================
   05 PHILOSOPHY · rail of steps
   ========================================================================== */

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.6rem, 3.5vw, 3rem);
  position: relative;
  padding-top: 3rem;
}
.steps::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 1px;
  background: var(--line-strong);
}
.steps::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 1px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 2s cubic-bezier(0.16, 1, 0.3, 1) 0.3s;
}
.steps.is-visible::after { transform: scaleX(1); }

.step { position: relative; }
.step::before {
  content: "";
  position: absolute;
  top: -3rem;
  left: 0;
  transform: translateY(-50%);
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--ink);
  border: 1.5px solid var(--grey);
  z-index: 1;
}
.step--last::before { background: var(--orange); border-color: var(--orange); box-shadow: 0 0 16px rgba(255, 92, 31, 0.6); }
.step--last .step__name { color: var(--orange); }
.step__num { font-family: var(--font-mono); font-size: 0.72rem; color: var(--orange); }
.step__name {
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin: 0.9rem 0 0.7rem;
}
.step__desc { color: var(--grey); font-size: 0.98rem; }

/* ==========================================================================
   06 FLYWHEEL
   ========================================================================== */

.flywheel {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}
/* --- flywheel v3: comet-synced live step (grey by default, orange when active) --- */
.flywheel { grid-template-columns: 0.7fr 1.3fr; align-items: center; }
.fw__svg { display: block; width: 100%; height: auto; }
.flywheel__viz .fw__svg--mobile { display: none; }
.flywheel__viz { max-width: none; }

.fw-arc, .fw-arrow {
  stroke: rgba(244, 242, 237, 0.30);
  transition: stroke 0.45s ease, filter 0.45s ease;
}
.fw-arc.is-live, .fw-arrow.is-live { stroke: var(--orange); }
.fw-arc.is-live { filter: drop-shadow(0 0 9px rgba(255, 92, 31, 0.55)); }

.fw-node {
  fill: var(--ink);
  stroke: rgba(244, 242, 237, 0.40);
  stroke-width: 1.4;
  transition: stroke 0.45s ease;
}
.fw-node.is-live { stroke: var(--orange); }

.fw-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  fill: var(--grey-2);
  transition: fill 0.45s ease;
}
.fw-label {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  fill: var(--grey);
  transition: fill 0.45s ease;
}
.fw-num.is-live, .fw-label.is-live { fill: var(--orange); }
.fw__svg--mobile .fw-label { font-size: 15px; }
.fw__svg--mobile .fw-num { font-size: 12px; }
.fw-center {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 4px;
  text-transform: uppercase;
  fill: var(--orange);
}

/* --- team: founders row + bench grid --- */
.pcards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.pcards--founders { grid-template-columns: repeat(2, 1fr); }
.team__benchlabel { margin: clamp(2.2rem, 4vw, 3.2rem) 0 1.1rem; }
.pcard {
  background: var(--ink-2);
  padding: clamp(1.5rem, 2.5vw, 2.2rem);
  display: flex;
  flex-direction: column;
  transition: background 0.3s ease;
}
.pcard:hover { background: var(--ink-3); }
.pcard:has(.pcard__name) { box-shadow: inset 0 2px 0 var(--orange); }
.pcard__role {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--grey-2);
}
.pcard__years {
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  margin: 0.9rem 0 0.7rem;
}
.pcard__years span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey-2);
  margin-left: 0.35rem;
}
.pcard__name { font-size: 1.12rem; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 0.5rem; }
.pcard__bio { color: var(--grey); font-size: 0.92rem; flex-grow: 1; }
.pcard__links { margin-top: 1.2rem; display: flex; gap: 1.2rem; }
.pcard__links a {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
  transition: color 0.25s ease, border-color 0.25s ease;
}
.pcard__links a:hover { color: var(--orange); border-color: var(--orange); }

.fw-spin {
  animation: fwspin 40s linear infinite;
  transform-origin: center;
  transform-box: fill-box;
}
@keyframes fwspin { to { transform: rotate(360deg); } }

/* spin-up choreography: arcs sweep clockwise, nodes and labels follow, comet last */
.flywheel__viz .draw {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  transition: stroke-dashoffset 0.45s cubic-bezier(0.45, 0, 0.2, 1) calc(0.15s + var(--i) * 0.22s);
}
.flywheel__viz .fw-arrow {
  opacity: 0;
  transition: opacity 0.3s ease calc(0.5s + var(--i) * 0.22s);
}
.flywheel__viz .pop {
  opacity: 0;
  transition: opacity 0.45s ease calc(0.3s + var(--i, 0) * 0.22s);
}
.flywheel__viz .fw-comet { opacity: 0; transition: opacity 0.7s ease 2.1s; }
.flywheel__viz.is-spun .draw { stroke-dashoffset: 0; }
.flywheel__viz.is-spun .fw-arrow, .flywheel__viz.is-spun .pop { opacity: 1; }
.flywheel__viz.is-spun .fw-comet { opacity: 1; }
@media (prefers-reduced-motion: reduce) {
  .flywheel__viz .draw { stroke-dashoffset: 0; transition: none; }
  .flywheel__viz .fw-arrow, .flywheel__viz .pop, .flywheel__viz .fw-comet { opacity: 1; transition: none; }
  .fw-spin { animation: none; }
}

/* --- office: the embedded network (adoption propagates, then we leave) --- */
.office__bp svg { display: block; width: 100%; height: auto; overflow: visible; }
.net-toplabel, .net-officesub {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  fill: var(--grey-2);
}
.net-officesub { font-size: 10px; letter-spacing: 1.8px; }
.net-officelabel {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  fill: var(--orange);
}
.net-caption {
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  fill: var(--orange);
}

/* choreography: grey network appears, office lands, adoption spreads by depth,
   then the office dims and the caption lands the doctrine */
.net-toplabel, .net-glow { opacity: 0; transition: opacity 0.9s ease 0.4s; }
.net-edge {
  stroke: rgba(244, 242, 237, 0.13);
  stroke-width: 1;
  opacity: 0;
  transition: opacity 0.5s ease calc(var(--i) * 0.025s),
              stroke 0.8s ease calc(2s + var(--d) * 0.55s);
}
.net-node {
  fill: var(--ink-2);
  stroke: rgba(244, 242, 237, 0.38);
  stroke-width: 1.2;
  opacity: 0;
  transition: opacity 0.5s ease calc(var(--i) * 0.03s),
              stroke 0.7s ease calc(2.1s + var(--d) * 0.55s),
              fill 0.7s ease calc(2.1s + var(--d) * 0.55s);
}
.net-office { opacity: 0; transition: opacity 0.7s ease 1.1s; }
.net-caption { opacity: 0; }

.office__bp.is-drawn .net-toplabel, .office__bp.is-drawn .net-glow { opacity: 1; }
.office__bp.is-drawn .net-edge { opacity: 1; stroke: rgba(255, 92, 31, 0.5); }
.office__bp.is-drawn .net-node { opacity: 1; stroke: var(--orange); fill: rgba(255, 92, 31, 0.18); }
.office__bp.is-drawn .net-office { opacity: 1; animation: netLeave 1.6s ease 7.2s forwards; }
.office__bp.is-drawn .net-caption { animation: netCap 1s ease 8s forwards; }
@keyframes netLeave { to { opacity: 0.25; } }
@keyframes netCap { to { opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  .net-toplabel, .net-glow, .net-edge, .net-node, .net-office, .net-caption {
    opacity: 1;
    transition: none;
    animation: none;
  }
  .net-edge { stroke: rgba(255, 92, 31, 0.5); }
  .net-node { stroke: var(--orange); fill: rgba(255, 92, 31, 0.18); }
  .office__bp.is-drawn .net-office { animation: none; opacity: 1; }
  .office__bp.is-drawn .net-caption { animation: none; opacity: 1; }
}

/* --- the first conversation --- */
.convo {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem);
  border-top: 1px solid var(--line-strong);
  padding-top: 2.4rem;
}
.convo__num { font-family: var(--font-mono); font-size: 0.72rem; color: var(--orange); }
.convo__item h3 {
  font-size: clamp(1.15rem, 1.8vw, 1.4rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0.9rem 0 0.6rem;
}
.convo__item p { color: var(--grey); font-size: 0.97rem; }

/* --- office: merged engagement block --- */
.office__bot { margin-top: clamp(2.5rem, 5vw, 4rem); border-top: 1px solid var(--line); padding-top: 2rem; }
.office__bot-title {
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0.9rem 0 1.8rem;
}
.office__bot-note { color: var(--grey); font-size: 1.02rem; margin-top: 1.6rem; }
.office__bot-note .accent { font-weight: 600; }

.flywheel__list { display: none; list-style: none; margin-top: 2.4rem; }
.flywheel__list li {
  display: flex;
  align-items: baseline;
  gap: 1.1rem;
  padding: 0.72rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 1.04rem;
  font-weight: 500;
}
.flywheel__list li:first-child { border-top: 1px solid var(--line); }
.flywheel__list li span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--orange);
}
.flywheel__viz { padding: 0; }
.flywheel__viz svg { width: 100%; height: auto; display: block; overflow: visible; }

.flywheel__ring { transform-origin: 280px 280px; animation: spin 26s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .flywheel__ring { animation: none; } }

.flywheel__center-label {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.3em;
  fill: var(--bone);
}
.fly-node circle { fill: var(--ink-3); stroke: var(--line-strong); stroke-width: 1; }
.fly-node text { fill: var(--bone); font-family: var(--font-sans); font-size: 14.5px; font-weight: 600; }
.fly-node .fly-node__num { fill: var(--orange); font-family: var(--font-mono); font-size: 10.5px; font-weight: 400; }

/* ==========================================================================
   07 ADOPTION TREE
   ========================================================================== */

.tree__intro {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
  margin-bottom: clamp(1rem, 3vw, 2.5rem);
}
.tree__issue {
  border: 1px solid var(--line);
  padding: 1.6rem 1.8rem;
  opacity: 0.85;
}
.tree__issue-verdict { color: var(--grey-2); font-size: 0.9rem; margin-top: 1.4rem; }
.tree__issue-verdict em { color: var(--grey-2); }

.tree__stage { position: relative; }
.tree__svg { display: block; width: 100%; height: auto; }
.tree__svg--mobile { display: none; }

.tree__caption {
  text-align: center;
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  font-weight: 600;
  margin-top: 1.5rem;
}

/* --- tree v2: boxed nodes, orange lines (deck-faithful) --- */
.tree__svg .t-line { stroke: var(--orange); }
.tree__svg .tz {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  fill: var(--grey-2);
}
.tree__svg .tz--orange { fill: rgba(255, 92, 31, 0.85); }

.t-ucbox rect { fill: var(--ink); stroke: rgba(244, 242, 237, 0.28); stroke-width: 1.2; transition: stroke 0.25s ease; }
.t-ucbox { cursor: pointer; }
.t-ucbox:hover rect { stroke: var(--orange); }
.t-ucbox--live rect { stroke: var(--orange); stroke-width: 1.5; }
.t-uclabel { font-family: var(--font-sans); font-size: 16px; font-weight: 600; fill: var(--bone); }
.t-ucbox--live .t-uclabel { fill: var(--orange); }

.t-office rect { filter: drop-shadow(0 0 16px rgba(255, 92, 31, 0.30)); }
.t-oflabel {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 3.5px;
  text-transform: uppercase;
  fill: var(--bone);
}

.t-fbox rect { fill: var(--ink); stroke: rgba(244, 242, 237, 0.20); stroke-width: 1.2; transition: stroke 0.25s ease; }
.t-fbox:hover rect { stroke: rgba(244, 242, 237, 0.45); }
.t-flabel { font-family: var(--font-sans); font-size: 14px; fill: var(--grey); }

/* --- growth choreography (triggered by .is-grown on #treeStage) --- */
.tree__svg .draw {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  transition: stroke-dashoffset 0.8s cubic-bezier(0.45, 0, 0.2, 1);
}
.tree__svg .pop {
  opacity: 0;
  transform: translateY(10px) scale(0.96);
  transform-box: fill-box;
  transform-origin: center;
  transition: opacity 0.5s ease, transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}
.tree__svg .t-zone, .tree__svg .t-ground, .tree__svg .t-dash {
  opacity: 0;
  transition: opacity 0.8s ease;
}
.tree__stage.is-grown .draw { stroke-dashoffset: 0; }
.tree__stage.is-grown .pop { opacity: 1; transform: none; }
.tree__stage.is-grown .t-zone,
.tree__stage.is-grown .t-ground,
.tree__stage.is-grown .t-dash { opacity: 1; }

/* the sequence: office → trunk up → branches → use cases → trunk down → roots → foundations */
.tree__svg .t-office     { transition-delay: 0.05s; }
.tree__svg .t-trunk-up   { transition-delay: 0.45s; transition-duration: 0.4s; }
.tree__svg .t-branch     { transition-delay: calc(0.8s + var(--i) * 0.1s); transition-duration: 0.75s; }
.tree__svg .t-ucbox      { transition-delay: calc(1.4s + var(--i) * 0.1s); }
.tree__svg .t-trunk-down { transition-delay: 0.55s; transition-duration: 0.45s; }
.tree__svg .t-ground     { transition-delay: 0.95s; }
.tree__svg .t-zone       { transition-delay: 1.05s; }
.tree__svg .t-root       { transition-delay: calc(1.15s + var(--i) * 0.12s); transition-duration: 0.65s; }
.tree__svg .t-fbox1      { transition-delay: calc(1.8s + var(--i) * 0.1s); }
.tree__svg .t-conn       { transition-delay: calc(2.1s + var(--i) * 0.1s); transition-duration: 0.35s; }
.tree__svg .t-fbox2      { transition-delay: calc(2.4s + var(--i) * 0.1s); }
.tree__svg .t-dash       { transition-delay: 2.3s; transition-duration: 0.9s; }
.tree__svg .t-zone--roots { transition-delay: 2.7s; }

@media (prefers-reduced-motion: reduce) {
  .tree__svg .draw { stroke-dashoffset: 0; transition: none; }
  .tree__svg .pop { opacity: 1; transform: none; transition: none; }
  .tree__svg .t-zone, .tree__svg .t-ground, .tree__svg .t-dash { opacity: 1; transition: none; }
}

.issuetree { margin: 2.2rem 0; opacity: 0.75; }
.issuetree__row { display: flex; gap: 0.6rem; justify-content: center; margin: 0; }
.issuetree__stem { width: 1px; height: 1.4rem; background: var(--grey-2); margin: 0 auto; }
.issuetree__box {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  color: var(--grey);
  border: 1px solid var(--line-strong);
  padding: 0.55em 1em;
  white-space: nowrap;
}
.issuetree__box--root { color: var(--bone); }
.issuetree__box--q { color: var(--grey-2); min-width: 2.6em; text-align: center; }

.chip {
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.55em 1.1em;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  transition: all 0.25s ease;
}

/* ==========================================================================
   08 THE ADOPTION OFFICE
   ========================================================================== */

.office {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}

.office__plaque {
  margin-top: 3rem;
  border: 1px solid var(--line-strong);
  background: var(--ink-3);
  padding: 2.2rem 2.6rem;
  display: inline-flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}
.office__plaque::before {
  content: "";
  position: absolute;
  top: 1.1rem; right: 1.1rem;
  width: 0.5rem; height: 0.5rem;
  background: var(--orange);
}
.office__plaque-name {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--grey);
}
.office__plaque-title {
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}
.office__plaque-caption { margin-top: 1.4rem; color: var(--grey); font-size: 0.95rem; max-width: 26rem; }

/* ==========================================================================
   09 STATEMENT OF WORK
   ========================================================================== */

.sowdoc {
  max-width: 56rem;
  border: 1px solid var(--line-strong);
  background: var(--ink-3);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
  position: relative;
}
.sowdoc::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--orange);
}
.sowdoc__head {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding: 1.6rem clamp(1.6rem, 3.5vw, 3rem);
  border-bottom: 1px solid var(--line-strong);
}
.sowdoc__items {
  list-style: none;
  padding: 0.8rem clamp(1.6rem, 3.5vw, 3rem);
}
.sowdoc__items li {
  display: flex;
  align-items: baseline;
  gap: 1.4rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 1.08rem;
  font-weight: 600;
}
.sowdoc__items li:last-child { border-bottom: 0; }
.sowdoc__idx { font-family: var(--font-mono); font-size: 0.72rem; font-weight: 400; color: var(--orange); }
.sowdoc__excluded {
  padding: 1.5rem clamp(1.6rem, 3.5vw, 3rem);
  border-top: 1px dashed var(--line-strong);
}
.sowdoc__exlist {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 2.2rem;
  margin-top: 0.9rem;
}
.sowdoc__exlist .strike { color: var(--grey-2); font-size: 0.98rem; }
.sowdoc__sign {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  padding: 1.5rem clamp(1.6rem, 3.5vw, 3rem);
  border-top: 1px solid var(--line-strong);
}
.sowdoc__sign p { font-weight: 600; font-size: 1.02rem; }
.sowdoc__stamp {
  width: 0.85rem; height: 0.85rem;
  background: var(--orange);
  transform: rotate(45deg);
  flex: none;
  box-shadow: 0 0 18px rgba(255, 92, 31, 0.5);
}

/* ==========================================================================
   10 ENGAGEMENT PHASES
   ========================================================================== */

.phases__spine {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}
.phases__end {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.phases__end--us { color: var(--orange); }
.phases__end--you { color: var(--bone); }
.phases__bar {
  flex: 1;
  height: 3px;
  background: linear-gradient(90deg, var(--orange) 0%, rgba(255, 92, 31, 0.65) 34%, var(--grey-2) 68%, var(--bone) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.8s cubic-bezier(0.16, 1, 0.3, 1) 0.25s;
}
.phases.is-visible .phases__bar { transform: scaleX(1); }
@media (prefers-reduced-motion: reduce) { .phases__bar { transform: none; transition: none; } }

.phases__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(2rem, 4.5vw, 4rem);
}
.phase { position: relative; }
.phase__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--grey);
  margin-bottom: 1.2rem;
}
.phase__label span { color: var(--orange); margin-right: 0.6em; }
.phase__name {
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: 1.4rem;
}
.phase ul li {
  color: var(--grey);
  font-size: 0.98rem;
  padding: 0.5rem 0 0.5rem 1.4rem;
  position: relative;
}
.phase ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 1.05em;
  width: 0.5rem; height: 1px;
  background: var(--orange);
}
.phase--last ul li:last-child { color: var(--bone); font-weight: 600; }

/* ==========================================================================
   11 SIX ENGINES
   ========================================================================== */

.engines { border-top: 1px solid var(--line-strong); }
.engine {
  display: grid;
  grid-template-columns: 3.2rem 4.2rem 1fr auto;
  align-items: center;
  gap: clamp(1.2rem, 3vw, 2.5rem);
  padding: clamp(1.3rem, 2.5vw, 1.9rem) 0.5rem;
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  transition: background 0.3s ease, padding-left 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.engine::after {
  content: "";
  position: absolute;
  left: 0; bottom: -1px;
  width: 100%; height: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.engine:hover { background: var(--ink-3); padding-left: 1.2rem; }
.engine:hover::after { transform: scaleX(1); }
.engine__num { font-family: var(--font-mono); font-size: 0.72rem; color: var(--orange); }
.engine__glyph { display: block; width: 40px; height: 40px; margin: 0; }
.engine__glyph svg { width: 100%; height: 100%; stroke: var(--grey); transition: stroke 0.3s ease; }
.engine:hover .engine__glyph svg { stroke: var(--bone); }
.engine h3 {
  font-size: clamp(1.2rem, 2.2vw, 1.7rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0;
}
.engine h3 sup { font-size: 0.5em; color: var(--grey-2); }
.engine p { color: var(--grey); font-size: 0.95rem; text-align: right; margin: 0; }

/* ==========================================================================
   12 ENTRY POINTS
   ========================================================================== */

.entries {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.entry {
  background: var(--ink);
  padding: clamp(1.6rem, 3vw, 2.4rem);
  display: flex;
  flex-direction: column;
  min-height: 16rem;
  position: relative;
  transition: background 0.3s ease;
}
.entry:hover { background: var(--ink-3); }
.entry__top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 2.4rem;
}
.entry__num { font-family: var(--font-mono); font-size: 0.72rem; color: var(--orange); }
.entry__dur {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  border: 1px solid rgba(255, 92, 31, 0.35);
  border-radius: 999px;
  padding: 0.35em 0.9em;
}
.entry__name {
  font-size: clamp(1.2rem, 1.9vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: 0.7rem;
}
.entry__desc { color: var(--grey); font-size: 0.95rem; flex: 1; }
.entry__arrow {
  margin-top: 1.6rem;
  color: var(--grey-2);
  font-size: 1.2rem;
  transition: color 0.25s ease, transform 0.25s ease;
  align-self: flex-start;
}
.entry:hover .entry__arrow { color: var(--orange); transform: translateX(6px); }

/* ==========================================================================
   13 COMMERCIAL MODELS
   ========================================================================== */

.pricing { border: 1px solid var(--line); }
.pricing__row {
  display: grid;
  grid-template-columns: 1.4fr 0.7fr 0.8fr 1.6fr;
  gap: 1.5rem;
  padding: 1.35rem clamp(1.2rem, 2.5vw, 2.2rem);
  border-bottom: 1px solid var(--line);
  align-items: baseline;
  transition: background 0.25s ease;
}
.pricing__row:last-child { border-bottom: 0; }
.pricing__row:not(.pricing__row--head):hover { background: var(--ink-3); }
.pricing__row--head {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--grey-2);
  background: var(--ink);
}
.pricing__name { font-weight: 700; font-size: 1.05rem; letter-spacing: -0.01em; }
.pricing__row:not(.pricing__row--head) span:nth-child(2) { font-family: var(--font-mono); font-size: 0.8rem; color: var(--grey); }
.pricing__row:not(.pricing__row--head) span:nth-child(3) { font-family: var(--font-mono); font-size: 0.85rem; color: var(--orange); }
.pricing__row:not(.pricing__row--head) span:nth-child(4) { color: var(--grey); font-size: 0.95rem; }
.pricing__row--head span {
  color: var(--grey-2);
  font-size: 0.66rem;
  font-family: var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.pricing__note {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--grey-2);
  margin-top: 1rem;
}

.pricing__philosophy {
  margin-top: clamp(3rem, 6vw, 5rem);
  padding-top: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid var(--line);
}
.pricing__statement {
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 1.2rem 0 1.8rem;
  max-width: 44rem;
}
.pricing__principles { display: flex; gap: 2.5rem; flex-wrap: wrap; }
.pricing__principles li {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--grey);
  padding-left: 1.3rem;
  position: relative;
}
.pricing__principles li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.35em;
  width: 0.5rem; height: 0.5rem;
  transform: rotate(45deg);
  background: var(--orange);
}

/* ==========================================================================
   14 TEAM
   ========================================================================== */

.founders {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: clamp(3rem, 6vw, 5rem);
}
.founder {
  background: var(--ink-2);
  padding: clamp(1.8rem, 3.5vw, 3rem);
  position: relative;
  overflow: hidden;
}
.founder::before {
  content: attr(data-initials);
  position: absolute;
  top: -0.05em;
  right: 0.05em;
  font-size: clamp(6rem, 9vw, 9.5rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.05em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(244, 242, 237, 0.08);
  pointer-events: none;
  user-select: none;
}
.founder__name {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 1.1rem 0 1rem;
}
.founder__bio { color: var(--grey); font-size: 1rem; max-width: 30rem; margin-bottom: 1.6rem; }
.founder__links { display: flex; gap: 1.8rem; }
.founder__links a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 0.2em;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.founder__links a:hover { color: var(--orange); border-color: var(--orange); }

.network__grid { margin-top: 1.4rem; border-top: 1px solid var(--line-strong); }
.network__grid p {
  color: var(--grey);
  font-size: 0.98rem;
  position: relative;
  padding: 1.2rem 0 1.2rem 2.2rem;
  border-bottom: 1px solid var(--line);
  max-width: 56rem;
  transition: color 0.25s ease;
}
.network__grid p::before {
  content: "";
  position: absolute;
  top: 1.75rem; left: 0.2rem;
  width: 0.55rem; height: 0.55rem;
  transform: rotate(45deg);
  background: var(--grey-2);
  transition: background 0.25s ease;
}
.network__grid p:hover { color: var(--bone); }
.network__grid p:hover::before { background: var(--orange); }

/* ==========================================================================
   ENDGAME
   ========================================================================== */

.endgame {
  padding: clamp(8rem, 15vw, 14rem) var(--pad-x);
  border-top: 1px solid var(--line);
  background:
    radial-gradient(ellipse 70% 55% at 50% 110%, rgba(255, 92, 31, 0.10), transparent 70%),
    var(--ink);
  text-align: center;
}
.endgame__inner { max-width: 62rem; margin: 0 auto; }
.endgame__statement {
  font-size: clamp(1.7rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 2rem 0 3.5rem;
  text-wrap: balance;
}
.endgame__cta { display: flex; flex-direction: column; align-items: center; gap: 1.4rem; }
.endgame__mail {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--grey-2);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
  border-top: 1px solid var(--line);
  padding: clamp(3rem, 6vw, 5rem) var(--pad-x) 2.4rem;
}
.footer__top {
  max-width: var(--maxw);
  margin: 0 auto 3.5rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
}
.footer__brand { display: flex; align-items: center; gap: 0.7rem; }
.footer__name {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.footer__doctrine {
  color: var(--grey-2);
  font-size: 0.95rem;
  text-align: right;
}
.footer__bottom {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
.footer__bottom .label { font-size: 0.62rem; }

/* ==========================================================================
   GLOBAL TEXTURE · progress bar, ticker, ghost numerals
   ========================================================================== */

.progress {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  z-index: 200;
  pointer-events: none;
}

.ticker {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1.05rem 0;
  background: var(--ink);
}
.ticker__track {
  display: flex;
  align-items: center;
  gap: 2.6rem;
  width: max-content;
  animation: tickerScroll 40s linear infinite;
}
.ticker:hover .ticker__track { animation-play-state: paused; }
.ticker__track span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--grey);
  white-space: nowrap;
}
.ticker__track i {
  width: 7px; height: 7px;
  background: var(--orange);
  transform: rotate(45deg);
  flex: none;
  opacity: 0.8;
}
@keyframes tickerScroll { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .ticker__track { animation: none; } }

/* oversized ghost numerals per section */
.section[data-num] { overflow: hidden; isolation: isolate; }
.section[data-num]::before {
  content: attr(data-num);
  position: absolute;
  top: clamp(1rem, 4vw, 3rem);
  right: clamp(0.5rem, 3vw, 3rem);
  z-index: -1;
  font-family: var(--font-sans);
  font-size: clamp(9rem, 18vw, 19rem);
  font-weight: 900;
  line-height: 0.8;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(244, 242, 237, 0.055);
  transform: translateY(var(--ghost-shift, 0px));
  pointer-events: none;
  user-select: none;
}
@media (prefers-reduced-motion: reduce) {
  .section[data-num]::before { transform: none; }
}

/* strike-through on scroll */
.strike { position: relative; display: inline-block; }
.strike::after {
  content: "";
  position: absolute;
  left: -0.06em; right: -0.06em;
  top: 55%;
  height: 2px;
  background: var(--orange);
  transform: rotate(-2deg) scaleX(0);
  transform-origin: left center;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}
.strike.is-struck::after { transform: rotate(-2deg) scaleX(1); }
.sow__list--not .strike.is-struck { color: var(--grey-2); transition: color 0.6s ease; }
@media (prefers-reduced-motion: reduce) { .strike::after { transition: none; } }

/* office plaque hover */
.office__plaque { transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease; }
.office__plaque:hover {
  transform: translateY(-4px);
  box-shadow: 0 32px 70px rgba(0, 0, 0, 0.5), 0 0 40px rgba(255, 92, 31, 0.08);
}

/* entry duration meters */
.entry__meter {
  display: block;
  height: 2px;
  background: rgba(244, 242, 237, 0.07);
  margin-top: 1.5rem;
  overflow: hidden;
}
.entry__meter i {
  display: block;
  height: 100%;
  width: 0;
  background: var(--orange);
  transition: width 1.1s cubic-bezier(0.16, 1, 0.3, 1) 0.4s;
}
.entry.is-visible .entry__meter i { width: var(--w); }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

.bp-desktop { display: inline; }

@media (max-width: 1024px) {
  .entries { grid-template-columns: repeat(2, 1fr); }
  .flywheel { grid-template-columns: 1fr; }
  .flywheel__viz { max-width: 44rem; margin: 0 auto; }
  .tree__intro { grid-template-columns: 1fr; }
  .tree__issue { max-width: 30rem; }
  .phases__cols { grid-template-columns: 1fr; gap: 2.2rem; }
  .pcards--bench { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 800px) {
  .nav { gap: 1.2rem; }
  .nav__links {
    position: fixed;
    top: 3.6rem;
    left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(12, 13, 18, 0.97);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
    padding: 0.6rem var(--pad-x) 1.4rem;
    transform: translateY(-130%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .nav__links.is-open { transform: none; }
  .nav__links a { padding: 0.9rem 0; border-bottom: 1px solid var(--line); font-size: 0.8rem; }
  .nav__cta { display: none; }
  .nav__burger { display: flex; }

  .bp-desktop { display: none; }

  .versus, .founders, .office, .phases__cols { grid-template-columns: 1fr; }
  .versus__col--us { border-left: 0; border-top: 1px solid var(--line-strong); padding-left: 0; padding-top: 2.2rem; }
  .versus__col--them { padding-right: 0; padding-bottom: 2.2rem; }
  .evidence { grid-template-columns: 1fr; row-gap: 1.8rem; }
  .evidence__item { padding: 0; border-left: 0; }
  .entries { grid-template-columns: 1fr; }
  .entry { min-height: 0; }

  .flywheel { grid-template-columns: 1fr; }
  .flywheel__viz .fw__svg--desktop { display: none; }
  .flywheel__viz .fw__svg--mobile { display: block; max-width: 27rem; margin: 0 auto; }

  .pcards--founders { grid-template-columns: 1fr; }
  .pcards--bench { grid-template-columns: repeat(2, 1fr); }
  .pcards--bench .pcard { padding: 1.1rem; }
  .pcards--bench .pcard__years { font-size: 1.7rem; }
  .pcards--bench .pcard__bio { font-size: 0.82rem; }
  .pcards--bench .pcard__role { font-size: 0.56rem; }

  .convo { grid-template-columns: 1fr; gap: 1.8rem; }
  .net-caption { font-size: 15px; }
  .net-toplabel { font-size: 12.5px; }

  .engine { grid-template-columns: 2.2rem 3rem 1fr; }
  .engine p { grid-column: 3; text-align: left; margin-top: 0.2rem; }

  .sectors__name { font-size: 1.6rem; }

  .chapter { gap: 1.4rem; padding-top: 3.5rem; }
  .chapter__rings { width: 58px; }

  .paper { grid-template-columns: 1fr; }
  .paper__doc { justify-self: start; margin: 1rem 0 0 0.8rem; }

  .gap__note { display: block; }
  .sowdoc__exlist { flex-direction: column; align-items: flex-start; gap: 0.6rem; }

  /* philosophy rail goes vertical */
  .steps {
    grid-template-columns: 1fr;
    gap: 2.2rem;
    padding-top: 0;
    padding-left: 2.2rem;
  }
  .steps::before, .steps::after {
    width: 1px; height: 100%;
    top: 0; left: 0;
  }
  .steps::after { transform: scaleY(0); transform-origin: top; }
  .steps.is-visible::after { transform: scaleY(1); }
  .step::before { top: 0.35rem; left: -2.2rem; transform: none; }

  /* tree: swap landscape SVG for the portrait variant */
  .tree__svg--desktop { display: none; }
  .tree__svg--mobile { display: block; max-width: 27rem; margin: 0 auto; }
  .tree__svg--mobile .tz { font-size: 13px; }
  .tree__caption { text-align: center; }

  /* adoption gap on small screens */
  .gap__row { grid-template-columns: 1fr; gap: 0.8rem; }
  .gap__value { font-size: 3rem; }
  .gap__dim { display: none; }
  .gap__fig-label { white-space: normal; line-height: 1.7; }
  .gap__desc .stat__src { display: block; margin: 0.4rem 0 0; }

  .hero__foot { flex-direction: column; align-items: flex-start; }
  .hero__scroll { display: none; }

  .flywheel__viz { padding: 0 1.5rem; }

  .footer__doctrine { text-align: left; }

  .pricing__row {
    grid-template-columns: 1fr;
    gap: 0.4rem;
    padding: 1.3rem 1.2rem;
  }
  .pricing__row--head { display: none; }
  .pricing__row span[data-th]::before {
    content: attr(data-th) "  ·  ";
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--grey-2);
  }
}

/* Adoption Tree Model landing page */
:root{--grey:#A2A7B4;--grey-2:#9097A6;}
[hidden]{display:none!important}
button,input{font:inherit}
button,a,input,summary{-webkit-tap-highlight-color:transparent}
:focus-visible{outline:2px solid var(--orange);outline-offset:5px}
.skip-link{position:fixed;top:-5rem;left:1rem;z-index:200;background:var(--bone);color:var(--ink);padding:1rem}
.skip-link:focus{top:1rem}
.reveal{opacity:1;transform:none}
.js .reveal:not(.is-visible){opacity:0;transform:translateY(28px)}
.hero__title{font-size:clamp(2.5rem,8.8vw,8.5rem);margin:2rem 0;line-height:.97}
.hero__model{display:block;font-family:var(--font-mono);font-size:clamp(.85rem,1.25vw,1.1rem);font-weight:400;letter-spacing:.34em;margin-top:1.5rem;color:var(--grey)}
.hero__actions{display:flex;flex-direction:column;gap:1rem;align-items:flex-start}
.hero__edition{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-top:3.5rem;padding-top:1.1rem;border-top:1px solid var(--line);font-size:.6rem;letter-spacing:.13em}
.hero__tag{max-width:36rem}
.hero__tag em{display:inline-block;margin-top:.4rem}
.nav{gap:1.7rem}.nav__name{font-size:.7rem;letter-spacing:.12em}
.nav__links{gap:1.3rem}.nav__links a{font-size:.64rem;letter-spacing:.08em}
.nav__cta{font-size:.63rem;letter-spacing:.09em;padding:.9em 1.3em}
.btn{cursor:pointer;text-align:center}
.text-link{display:inline-flex;gap:1.2rem;align-items:center;border-bottom:1px solid var(--line-strong);font-family:var(--font-mono);font-size:.73rem;letter-spacing:.04em;padding:.5rem 0;transition:color .2s}
.text-link:hover{color:var(--orange);border-color:var(--orange)}
.source-note{font-family:var(--font-mono);font-size:.63rem;line-height:1.8;letter-spacing:.035em;color:var(--grey-2);margin-top:1.5rem}
.unit-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-strong)}
.unit-grid article{padding:2rem 2rem 1rem;border-left:1px solid var(--line)}
.unit-grid article:first-child{padding-left:0;border:0}
.unit__number{font-family:var(--font-mono);font-size:.8rem;color:var(--orange)}
.unit-grid h3{font-size:1.45rem;font-weight:600;letter-spacing:-.02em;margin:1.3rem 0 .7rem}
.unit-grid p,.foundation-grid p,.evidence-grid p{color:var(--grey);font-size:1rem}
.tree__stage{max-width:70rem;margin:0 auto}
.tree__caption{font-size:clamp(1.2rem,2.3vw,1.8rem);text-align:center}
.tree-note{text-align:center;margin-top:.8rem}
.t-ucbox:focus rect{stroke:var(--orange);stroke-width:2}
.tree__svg--mobile .t-flabel{font-size:12.5px}
.no-js .tree__svg .draw{stroke-dashoffset:0}
.no-js .tree__svg .pop{opacity:1;transform:none}
.no-js .tree__svg .t-zone,.no-js .tree__svg .t-ground,.no-js .tree__svg .t-dash{opacity:1}
.foundation-grid{margin-top:3.5rem;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.foundation-grid article{background:var(--ink-2);padding:2rem;transition:background .2s}
.foundation-grid article:hover{background:var(--ink-3)}
.foundation-grid h3{font-weight:600;font-size:1.15rem;margin:.8rem 0 .6rem}
.foundation-grid .label{font-size:.6rem}
.gate-explorer{border:1px solid var(--line-strong)}
.gate-tabs{display:grid;grid-template-columns:repeat(6,1fr)}
.gate-tab{background:transparent;color:var(--grey);border:0;border-bottom:1px solid var(--line-strong);border-right:1px solid var(--line);text-align:left;padding:1.35rem 1.2rem;position:relative;cursor:pointer;font-size:1.05rem;font-weight:600}
.gate-tab:last-child{border-right:0}
.gate-tab>span{display:block;font-family:var(--font-mono);font-size:.6rem;letter-spacing:.13em;text-transform:uppercase;margin-bottom:.5rem;font-weight:400}
.gate-tab i{position:absolute;bottom:-1px;left:0;right:0;height:3px;background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.gate-tab.is-selected{background:var(--ink-3);color:var(--bone)}
.gate-tab.is-selected>span{color:var(--orange)}
.gate-tab.is-selected i{transform:scaleX(1)}
.gate-tab:hover{color:var(--bone);background:var(--ink-3)}
.gate-panel{display:grid;grid-template-columns:1.35fr 1fr;gap:4rem;min-height:21rem;padding:clamp(1.5rem,3.5vw,3rem)}
.gate-panel h3{font-size:clamp(1.4rem,2.6vw,2rem);font-weight:600;line-height:1.2;letter-spacing:-.025em;margin:1rem 0}
.gate-panel p{color:var(--grey)}
.gate-panel dl{align-self:center;border-left:1px solid var(--line-strong);padding-left:2rem}
.gate-panel dl>div+div{margin-top:1.4rem}
.gate-panel dt{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:var(--grey);margin-bottom:.5rem}
.gate-panel dd{font-size:.95rem}
.parallel-tracks{margin-top:2.4rem}
.parallel-tracks>.label{font-size:.62rem}
.parallel-tracks>div{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:.8rem}
.parallel-tracks span{border-left:2px solid var(--orange);background:rgba(255,92,31,.06);padding:.7rem 1rem;font-size:.82rem;flex:1}
.planning-note{color:var(--grey);margin-top:2rem;font-size:.9rem;max-width:60rem}
.planning-note strong{color:var(--bone);font-weight:500}
.ownership-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,5rem);margin-top:3rem}
.body-lead{font-size:clamp(1.05rem,1.5vw,1.2rem);line-height:1.7}
.body-copy{color:var(--grey);margin:1.4rem 0}
.transfer-card{border:1px solid rgba(255,92,31,.35);padding:2rem;background:var(--ink-3)}
.transfer-card h3{font-size:1.6rem;line-height:1.15;font-weight:600;margin:1rem 0 1.5rem;letter-spacing:-.02em}
.transfer-card ol{padding-left:1.4rem;color:var(--grey);font-size:.95rem}
.transfer-card li{padding-left:.45rem;margin-bottom:.8rem}
.transfer-card li::marker{font-family:var(--font-mono);color:var(--orange);font-size:.8rem}
.transfer-card__foot{font-size:.87rem;border-top:1px solid var(--line-strong);padding-top:1rem;margin-top:1.3rem}
.ownership-rail{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;border-top:1px solid var(--line-strong);margin-top:3rem;padding-top:1.6rem;font-family:var(--font-mono);font-size:.7rem}
.ownership-rail i{color:var(--grey);font-style:normal}
.ownership-rail strong{color:var(--orange);font-weight:500}
.evidence-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2.5rem}
.evidence-grid article{border-top:2px solid var(--orange);padding-top:1.6rem}
.evidence-grid .label{font-size:.6rem}
.evidence-grid h3{font-size:1.35rem;font-weight:600;margin:1rem 0 .7rem}
.tool-list{border-top:1px solid var(--line-strong)}
.tool-row{display:grid;grid-template-columns:2rem 1.5fr 1fr 1rem;gap:2rem;align-items:center;padding:1.6rem .3rem;border-bottom:1px solid var(--line);transition:background .25s,padding .25s}
.tool-row:hover{background:var(--ink-3);padding-left:1rem}
.tool-row__num{font-family:var(--font-mono);font-size:.75rem;color:var(--orange)}
.tool-row h3{font-size:1.25rem;font-weight:600;letter-spacing:-.015em}
.tool-row p{font-size:.9rem;color:var(--grey);margin-top:.5rem;max-width:34rem}
.tool-row__question{font-size:.95rem}
.tool-row__question span{font-family:var(--font-mono);font-size:.6rem;display:block;color:var(--grey-2);margin-top:.5rem}
.tool-row__arrow{color:var(--orange)}
.section--download{background:var(--ink-3)}
.download-grid{display:grid;grid-template-columns:1.35fr .8fr;gap:clamp(2rem,7vw,6rem);align-items:center}
.download-includes{margin:1.5rem 0 2rem}
.download-includes li{font-size:.95rem;color:var(--grey);padding:.45rem 0 .45rem 1.3rem;position:relative}
.download-includes li::before{content:"+";position:absolute;left:0;color:var(--orange)}
.download-form label{display:block;font-family:var(--font-mono);font-size:.72rem;margin-bottom:.65rem}
.form-row{display:flex;gap:.7rem;align-items:stretch;flex-wrap:wrap}
.form-row input{flex:1;min-width:12rem;width:100%;padding:.9rem 1rem;border:1px solid var(--line-strong);border-radius:2px;background:var(--ink);color:var(--bone);font-size:1rem}
.form-row input::placeholder{color:var(--grey-2)}
.form-row .btn{font-size:.65rem;letter-spacing:.08em;padding:1rem 1.25rem}
.form-note{font-size:.74rem;line-height:1.7;color:var(--grey);margin-top:.8rem}
.form-note a,.inline-button{text-decoration:underline;text-underline-offset:3px;color:var(--bone)}
.inline-button{background:none;padding:0;border:0;cursor:pointer;font-size:inherit}
.form-status{font-size:.9rem;margin-top:.8rem;min-height:1.6em}
.form-status.is-error{color:#FFB19A}
.form-trap{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.btn:disabled{opacity:.55;cursor:wait}
.download-success{padding:1.6rem;border:1px solid var(--orange);background:var(--ink)}
.download-success h3{font-size:1.7rem;line-height:1.2;letter-spacing:-.02em;margin:.9rem 0}
.download-success>p{font-size:.95rem;color:var(--grey);margin-bottom:1.2rem}
.book-preview{margin:0;max-width:26rem;justify-self:end}
.book-preview__frame{transform:rotate(3deg);border:1px solid var(--line-strong);box-shadow:-8px 8px 0 #242630,-9px 9px 0 #434652,0 25px 60px rgba(0,0,0,.45);transition:transform .4s}
.book-preview__frame:hover{transform:rotate(0deg) translateY(-4px)}
.book-preview img{width:100%;height:auto;display:block}
.book-preview figcaption{font-family:var(--font-mono);font-size:.61rem;letter-spacing:.04em;color:var(--grey);line-height:1.9;margin-top:2rem}
.book-preview figcaption span{display:block}
.faq{border-top:1px solid var(--line-strong);max-width:65rem}
.faq details{border-bottom:1px solid var(--line);padding:1.4rem 0}
.faq summary{cursor:pointer;font-size:1.15rem;font-weight:500;list-style:none;display:flex;justify-content:space-between;gap:1.5rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--font-mono);color:var(--orange);flex-shrink:0}
.faq details[open] summary::after{content:"−"}
.faq details p{color:var(--grey);margin:1rem 2rem 0 0;max-width:54rem}
.author-note{margin-top:3.5rem;border-left:2px solid var(--orange);padding-left:1.5rem;max-width:52rem}
.author-note>p:not(.label){margin:1rem 0;font-size:.98rem;color:var(--grey)}
.closing{padding:5rem var(--pad-x);background:var(--orange);color:var(--ink);text-align:center}
.closing p{font-size:clamp(2.5rem,7vw,6rem);font-weight:800;letter-spacing:-.04em;line-height:1;margin-bottom:2rem}
.closing p span{color:var(--bone)}
.closing .btn:hover{background:var(--ink);border-color:var(--ink);color:var(--bone)}
.site-footer{padding:3rem max(var(--pad-x),calc((100% - var(--maxw))/2));display:grid;grid-template-columns:1fr 1fr;gap:2rem;font-size:.72rem;color:var(--grey)}
.site-footer .nav__name{color:var(--bone)}
.site-footer p{margin:.8rem 0}
.site-footer details{max-width:40rem}
.site-footer summary{cursor:pointer;color:var(--bone);text-decoration:underline;text-underline-offset:3px}
.site-footer details p{line-height:1.8}
#privacy{scroll-margin-top:6rem}
.no-js .gate-tabs{display:none}
.no-js .gate-panel[hidden]{display:grid!important}
.no-js .gate-panel{border-bottom:1px solid var(--line)}
@media(min-width:801px) and (max-width:1150px){.nav__cta{display:none}.nav__model{display:none}}
@media(max-width:800px){
 .nav__links{visibility:hidden;pointer-events:none;top:3.7rem}
 .nav__links.is-open{visibility:visible;pointer-events:auto}
 .nav__name{font-size:.65rem}
 .nav__links a{font-size:.78rem}
 .hero{padding-top:7rem;min-height:90svh}
 .hero__title{font-size:clamp(2.25rem,8.7vw,4.4rem)}
 .hero__foot{gap:1.8rem}.hero__edition{margin-top:2.5rem}
 .hero__actions{flex-direction:row;flex-wrap:wrap;align-items:center;gap:1.4rem}
 .hero__actions .btn{font-size:.63rem}
 .unit-grid,.ownership-grid,.evidence-grid,.download-grid{grid-template-columns:1fr}
 .unit-grid article{padding:1.4rem 0;border-left:0;border-bottom:1px solid var(--line)}
 .unit-grid h3{margin:.7rem 0}
 .foundation-grid{grid-template-columns:repeat(2,1fr)}
 .foundation-grid article{padding:1.4rem}
 .foundation-grid h3{font-size:1.03rem}
 .foundation-grid p{font-size:.9rem}
 .gate-tabs{grid-template-columns:repeat(3,1fr)}
 .gate-tab{padding:1.1rem}
 .gate-panel{grid-template-columns:1fr;gap:1.5rem;min-height:30rem}
 .gate-panel dl{padding:1.4rem 0 0;border-left:0;border-top:1px solid var(--line-strong)}
 .gate-panel .label{font-size:.62rem}
 .parallel-tracks span{flex:auto;width:100%}
 .ownership-rail{align-items:flex-start;flex-direction:column;gap:.7rem}
 .ownership-rail i{transform:rotate(90deg)}
 .tool-row{grid-template-columns:1.5rem 1fr 1rem;gap:1rem}
 .tool-row__question{display:none}
 .download-grid{gap:3rem}
 .book-preview{justify-self:center;max-width:19rem}
 .transfer-card{padding:1.5rem}
 .site-footer{grid-template-columns:1fr}
 .no-js .nav__burger{display:none}
 .no-js .nav__links{position:static;visibility:visible;pointer-events:auto;transform:none;flex-direction:row;flex-wrap:wrap;background:none;padding:0;border:0}
 .no-js .nav{position:relative;flex-wrap:wrap}
}
@media(max-width:420px){.foundation-grid{grid-template-columns:1fr}.form-row{flex-direction:column}.form-row .btn{width:100%}.nav__model{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.js .reveal:not(.is-visible){opacity:1;transform:none}*,*::before,*::after{animation:none!important;transition:none!important}.hero__line>span{transform:none}}

.download-standalone{max-width:46rem;margin:10vh auto;padding:2rem}.download-standalone h1{font-size:clamp(2rem,5vw,3.5rem);line-height:1.1;letter-spacing:-.03em;margin:1.5rem 0}.download-standalone p{margin:1.3rem 0;color:var(--grey)}

html.no-js{scroll-behavior:auto}

/* ---------- 2026-09-15: visual pass · roots header, calendar strip, exit-path bars, evidence states, author links ---------- */
.roots-head{margin:clamp(2.5rem,5vw,3.5rem) 0 1.2rem}
.roots-head h3{font-size:clamp(1.2rem,2vw,1.55rem);font-weight:700;letter-spacing:-.015em;margin:.5rem 0 0}
.calendar{margin-top:clamp(2rem,4vw,3rem)}
.calendar__title{display:block;margin-bottom:.9rem}
.calendar__blocks{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(7,1fr);gap:4px}
.calendar__blocks li{background:var(--ink-3);border-top:2px solid var(--line-strong);padding:.75rem .7rem .8rem;min-width:0}
.calendar__blocks li b{display:block;font-family:var(--font-mono);font-size:.72rem;color:var(--orange);letter-spacing:.08em}
.calendar__blocks li span{display:block;font-size:.8rem;color:var(--grey);margin-top:.3rem;line-height:1.35}
.calendar__blocks li.is-last{border-top-color:var(--orange)}
.calendar .planning-note{margin-top:1.2rem}
.decline{margin:1.8rem 0 1.6rem;border:1px solid var(--line);background:var(--ink-2);padding:1.3rem 1.4rem 1.2rem}
.decline>.label{display:block;margin-bottom:1rem}
.decline__bars{display:flex;align-items:flex-end;gap:1rem;height:120px}
.decline__bar{flex:1;display:flex;flex-direction:column;justify-content:flex-end;height:100%}
.decline__bar i{display:block;height:var(--h);background:var(--orange);opacity:calc(1 - var(--i)*.3);transform:scaleY(0);transform-origin:bottom;transition:transform .9s cubic-bezier(.16,1,.3,1) calc(.2s + var(--i)*.15s)}
.decline.is-visible .decline__bar i{transform:scaleY(1)}
.decline__bar span{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.12em;text-transform:uppercase;color:var(--grey-2);margin-top:.6rem}
.decline__cap{color:var(--grey);font-size:.92rem;margin:1rem 0 0}
.evstates{display:flex;align-items:center;flex-wrap:wrap;gap:.6rem;margin-bottom:clamp(1.8rem,4vw,2.6rem)}
.evstate{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--grey);border:1px solid var(--line-strong);border-radius:999px;padding:.55em 1.05em;white-space:nowrap}
.evstate em{font-style:normal;color:var(--orange);margin-right:.5em}
.evstate--final{background:var(--orange);border-color:var(--orange);color:var(--ink)}
.evstate--final em{color:var(--ink)}
.evstates>i{color:var(--grey-2);font-style:normal;font-family:var(--font-mono);font-size:.8rem}
.author-links{display:flex;flex-wrap:wrap;gap:.6rem 1.6rem;margin-top:1rem}
.author-links a{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--grey);border-bottom:1px solid var(--line-strong);padding-bottom:2px}
.author-links a:hover{color:var(--orange);border-color:var(--orange)}
.site-footer .author-links{margin-top:.6rem}
@media (max-width:800px){.calendar__blocks{grid-template-columns:repeat(4,1fr)}.decline__bars{height:90px}}
@media (prefers-reduced-motion:reduce){.decline__bar i{transform:none;transition:none}}

/* ---------- 2026-09-15: white paper funnel · two fields, consent, tool thumbnails, privacy page ---------- */
.form-fields{display:grid;grid-template-columns:1fr 1.5fr;gap:.7rem}
.form-field input{width:100%;padding:.9rem 1rem;border:1px solid var(--line-strong);border-radius:2px;background:var(--ink);color:var(--bone);font-size:1rem}
.form-field input::placeholder{color:var(--grey-2)}
.form-field input:focus-visible{outline:2px solid var(--orange);outline-offset:1px}
.form-consent{display:flex;gap:.75rem;align-items:flex-start;margin:1.1rem 0 .3rem;font-family:var(--font-sans);font-size:.82rem;line-height:1.55;color:var(--grey);text-transform:none;letter-spacing:0;cursor:pointer}
.form-consent input{flex:none;width:1.05rem;height:1.05rem;margin-top:.2rem;accent-color:var(--orange);cursor:pointer}
.form-row--submit{margin-top:1rem}
.form-row--submit .btn{font-size:.72rem;letter-spacing:.14em;padding:1.05rem 1.6rem}
.tool-row{grid-template-columns:2rem 7.5rem 1.5fr 1fr 1rem}
.tool-row__thumb{width:100%;height:auto;display:block;border:1px solid var(--line-strong);border-radius:2px;opacity:.55;filter:saturate(.75);transition:opacity .3s,transform .3s}
.tool-row:hover .tool-row__thumb{opacity:.95;transform:translateY(-2px)}
.legal{max-width:44rem}
.legal h2{font-size:1.25rem;font-weight:700;letter-spacing:-.015em;margin:2.2rem 0 .7rem}
.legal p,.legal li{color:var(--grey);font-size:1rem;line-height:1.7}
.legal ul{padding-left:1.2rem;margin:.4rem 0 .8rem}
.legal li{margin-bottom:.35rem}
.legal a{color:var(--bone);text-decoration:underline;text-underline-offset:3px}
.legal .lead{color:var(--bone);font-size:1.1rem}
@media (max-width:800px){.tool-row{grid-template-columns:1.5rem 5rem 1fr 1rem}.form-fields{grid-template-columns:1fr}}
@media (max-width:420px){.tool-row{grid-template-columns:1.2rem 3.6rem 1fr 1rem;gap:.7rem}}
.download-form .form-consent{display:flex;gap:.75rem;align-items:flex-start;margin:1.1rem 0 .3rem;font-family:var(--font-sans);font-size:.84rem;line-height:1.55;color:var(--grey);text-transform:none;letter-spacing:0}
.legal ul{list-style:disc}