:root {
  --ink: #0b0b0f;
  --ink-raised: #131319;
  --ink-soft: #1a1a20;
  --cream: #f1eee7;
  --paper: #f8f6f1;
  --white: #fffdf8;
  --gold: #cdbd7a;
  --gold-bright: #e8d998;
  --violet: #765cff;
  --violet-deep: #211447;
  --cyan: #77e5d8;
  --muted: #aaa7a0;
  --line-dark: rgba(255, 255, 255, 0.15);
  --line-light: rgba(11, 11, 15, 0.17);
  --sans: "DM Sans", "Helvetica Neue", Arial, sans-serif;
  --serif: "Instrument Serif", Georgia, serif;
  --mono: "Space Mono", Consolas, monospace;
  --shell: min(1320px, calc(100vw - 64px));
  --section-space: clamp(96px, 11vw, 164px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--ink);
  color: var(--white);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

img,
svg {
  display: block;
  max-width: 100%;
}

p,
h1,
h2,
h3,
blockquote,
figure {
  margin-top: 0;
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 5px;
}

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

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  transform: translateY(-160%);
  border-radius: 2px;
  background: var(--white);
  color: var(--ink);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.scroll-progress {
  position: fixed;
  z-index: 200;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  pointer-events: none;
}

.scroll-progress span {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left;
  background: linear-gradient(90deg, var(--gold), var(--violet), var(--cyan));
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.section {
  position: relative;
  padding-block: var(--section-space);
}

.section-cream {
  background: var(--cream);
  color: var(--ink);
}

.section-ink {
  background: var(--ink);
  color: var(--white);
}

.section-gold {
  background: var(--gold);
  color: var(--ink);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 26px;
  color: var(--gold-bright);
  font-family: var(--mono);
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.35;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 24px;
  height: 1px;
  content: "";
  background: currentColor;
}

.eyebrow-dark {
  color: #635923;
}

.display {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 0.98;
}

.display em {
  color: var(--gold-bright);
  font-weight: 400;
}

.section-cream .display em,
.section-gold .display em {
  color: #695b22;
}

.display-hero {
  max-width: 830px;
  margin-bottom: 34px;
  font-size: clamp(4.25rem, 6.4vw, 7.6rem);
}

.display-section {
  max-width: 900px;
  margin-bottom: 30px;
  font-size: clamp(3.3rem, 5.4vw, 6.4rem);
}

.display-contact {
  margin-bottom: 32px;
  font-size: clamp(3.7rem, 6.1vw, 7rem);
}

.section-lead {
  max-width: 640px;
  margin-bottom: 0;
  color: inherit;
  font-size: clamp(1.02rem, 1.45vw, 1.22rem);
  line-height: 1.75;
  opacity: 0.74;
}

/* Header */
.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  height: 86px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.11);
  background: rgba(11, 11, 15, 0.74);
  color: var(--white);
  backdrop-filter: blur(18px);
  transition:
    height 260ms ease,
    background 260ms ease,
    border-color 260ms ease;
}

.site-header.scrolled {
  height: 72px;
  border-color: rgba(255, 255, 255, 0.08);
  background: rgba(11, 11, 15, 0.93);
}

.header-inner {
  display: flex;
  height: 100%;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  white-space: nowrap;
}

.brand-mark {
  width: 38px;
  height: 38px;
  overflow: visible;
}

.brand-mark circle,
.brand-mark path {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 1.5;
}

.brand-mark .brand-electron {
  fill: var(--gold-bright);
  stroke: none;
}

.brand-name {
  font-size: 1.06rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.header-brand {
  flex: 0 0 auto;
}

.header-logo {
  display: block;
  width: clamp(170px, 17vw, 194px);
  height: auto;
  filter: invert(1);
  mix-blend-mode: lighten;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: clamp(24px, 2.5vw, 42px);
  margin-left: auto;
  margin-right: clamp(28px, 3.2vw, 50px);
}

.desktop-nav a {
  position: relative;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.84rem;
  transition: color 180ms ease;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 1px;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  background: var(--gold-bright);
  transition: transform 200ms ease;
}

.desktop-nav a:hover,
.desktop-nav a:focus-visible {
  color: var(--white);
}

.desktop-nav a:hover::after,
.desktop-nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 19px;
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
}

.language-switch span:not(.language-divider) {
  opacity: 0.4;
  transition: opacity 180ms ease;
}

.language-switch span.active {
  opacity: 1;
}

.language-divider {
  opacity: 0.32;
}

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 14px 22px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.1;
  transition:
    transform 180ms ease,
    background 180ms ease,
    color 180ms ease,
    border-color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-small {
  min-height: 42px;
  padding: 10px 16px;
  font-size: 0.75rem;
}

.button-dark {
  border-color: var(--cream);
  background: var(--cream);
  color: var(--ink);
}

.button-dark:hover {
  border-color: var(--gold-bright);
  background: var(--gold-bright);
}

.button-gold {
  background: var(--gold-bright);
  color: var(--ink);
}

.button-gold:hover {
  background: var(--white);
}

.button-wide {
  width: 100%;
  justify-content: space-between;
}

.menu-toggle,
.mobile-nav {
  display: none;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  background:
    radial-gradient(circle at 71% 40%, rgba(96, 68, 175, 0.22), transparent 31%),
    radial-gradient(circle at 11% 90%, rgba(205, 189, 122, 0.09), transparent 31%),
    var(--ink);
}

.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  opacity: 0.12;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.25'/%3E%3C/svg%3E");
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: 100svh;
  align-items: center;
  gap: clamp(48px, 6vw, 100px);
  grid-template-columns: minmax(0, 1.12fr) minmax(380px, 0.88fr);
  padding-top: 126px;
  padding-bottom: 132px;
}

.hero-copy {
  position: relative;
  z-index: 3;
}

.hero-intro {
  max-width: 665px;
  margin-bottom: 36px;
  color: rgba(255, 255, 255, 0.67);
  font-size: clamp(1.03rem, 1.35vw, 1.2rem);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 30px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding-block: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.32);
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.84rem;
  transition:
    color 180ms ease,
    border-color 180ms ease;
}

.text-link:hover {
  border-color: var(--gold-bright);
  color: var(--white);
}

.hero-visual {
  position: relative;
  min-width: 0;
  margin: 0;
  isolation: isolate;
}

.portrait-frame {
  position: relative;
  z-index: 2;
  width: min(100%, 575px);
  margin-left: auto;
  overflow: hidden;
  aspect-ratio: 0.83;
  background: #0a0910;
  clip-path: polygon(10% 0, 100% 0, 100% 92%, 88% 100%, 0 100%, 0 10%);
}

.portrait-frame::after {
  position: absolute;
  inset: 1px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  content: "";
  clip-path: inherit;
  pointer-events: none;
}

.portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.78) contrast(1.08) brightness(0.83);
  transition: transform 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-visual:hover .portrait-frame img {
  transform: scale(1.025);
}

.portrait-wash {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 45%, rgba(10, 8, 15, 0.48) 100%),
    linear-gradient(110deg, rgba(118, 92, 255, 0.1), transparent 55%);
  mix-blend-mode: screen;
  pointer-events: none;
}

.hero-proof {
  position: absolute;
  z-index: 5;
  right: 0;
  bottom: 0;
  left: 0;
}

.hero-proof-label {
  margin-bottom: 9px;
  color: var(--gold-bright);
  font-family: var(--mono);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-marquee {
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(11, 11, 15, 0.8);
  color: rgba(255, 255, 255, 0.58);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  white-space: nowrap;
}

.hero-marquee div {
  display: flex;
  width: max-content;
  align-items: center;
  gap: 38px;
  padding-block: 13px;
  animation: marquee 28s linear infinite;
}

.hero-marquee i {
  color: var(--gold);
  font-style: normal;
}

/* Perspective */
.split-intro {
  display: grid;
  align-items: start;
  gap: 30px 70px;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.55fr);
}

.split-intro .eyebrow {
  grid-column: 1 / -1;
}

.split-intro .display {
  margin-bottom: 0;
}

.split-intro .section-lead {
  padding-top: 12px;
}

.outcomes-grid {
  display: grid;
  margin-top: clamp(70px, 8vw, 110px);
  border-top: 1px solid var(--line-light);
  grid-template-columns: repeat(3, 1fr);
}

.outcome {
  position: relative;
  min-height: 245px;
  padding: 28px 42px 28px 0;
  border-right: 1px solid var(--line-light);
}

.outcome + .outcome {
  padding-left: 42px;
}

.outcome:last-child {
  border-right: 0;
}

.outcome-index {
  color: #827638;
  font-family: var(--mono);
  font-size: 0.65rem;
}

.outcome h3 {
  margin: 80px 0 10px;
  font-family: var(--serif);
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 400;
  letter-spacing: -0.02em;
}

.outcome p {
  max-width: 300px;
  margin-bottom: 0;
  opacity: 0.62;
}

/* Services */
.section-heading {
  display: grid;
  align-items: end;
  gap: 50px;
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.6fr);
}

.section-heading .display {
  margin-bottom: 0;
}

.section-heading .section-lead {
  padding-bottom: 6px;
}

.service-list {
  margin-top: clamp(65px, 7vw, 100px);
  border-top: 1px solid var(--line-dark);
}

.service-card {
  display: grid;
  min-height: 190px;
  align-items: center;
  gap: 26px;
  border-bottom: 1px solid var(--line-dark);
  grid-template-columns: 60px minmax(250px, 0.82fr) minmax(300px, 1fr) 62px;
  transition:
    padding 300ms cubic-bezier(0.22, 1, 0.36, 1),
    background 300ms ease,
    color 300ms ease;
}

.service-card:hover {
  padding-inline: 22px;
  background: var(--gold);
  color: var(--ink);
}

.service-number {
  align-self: start;
  padding-top: 48px;
  color: var(--gold-bright);
  font-family: var(--mono);
  font-size: 0.62rem;
}

.service-card:hover .service-number,
.service-card:hover .service-kicker,
.service-card:hover .service-copy {
  color: var(--ink);
}

.service-main,
.service-main h3,
.service-kicker,
.service-copy {
  min-width: 0;
  hyphens: auto;
  overflow-wrap: anywhere;
}

.service-main h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 3.2vw, 3.65rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.04;
}

.service-kicker {
  margin-bottom: 9px;
  color: var(--gold);
  font-family: var(--mono);
  font-size: 0.59rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.service-copy {
  max-width: 560px;
  margin: 0;
  color: rgba(255, 255, 255, 0.59);
  line-height: 1.7;
}

.round-link {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 50%;
  font-size: 1.15rem;
  transition:
    transform 200ms ease,
    background 200ms ease,
    color 200ms ease;
}

.service-card:hover .round-link {
  transform: rotate(8deg);
  border-color: var(--ink);
  background: var(--ink);
  color: var(--white);
}

.service-card-accent::before {
  position: absolute;
  right: 130px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  content: "";
  background: var(--violet);
  box-shadow: 0 0 20px 6px rgba(118, 92, 255, 0.58);
}

.service-card-accent {
  position: relative;
}

/* Quantum section */
.quantum-section {
  overflow: hidden;
  padding-top: clamp(36px, 5vw, 64px);
  background:
    radial-gradient(circle at 18% 43%, rgba(119, 229, 216, 0.12), transparent 27%),
    radial-gradient(circle at 72% 20%, rgba(118, 92, 255, 0.23), transparent 34%),
    #100b1d;
}

.quantum-section::before {
  display: none;
  content: none;
}

.quantum-noise {
  position: absolute;
  inset: 0;
  opacity: 0.2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(circle at 32% 50%, black, transparent 57%);
}

.learning-lab {
  position: relative;
  z-index: 2;
}

.learning-lab-intro {
  display: block;
}

.learning-lab-heading {
  width: 100%;
}

.learning-lab-intro .display {
  width: 100%;
  max-width: none;
  margin-bottom: 0;
}

.learning-tracks {
  display: grid;
  gap: clamp(18px, 2vw, 28px);
  margin-top: clamp(68px, 8vw, 112px);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.learning-track {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: clamp(30px, 4vw, 52px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.17);
  background: rgba(8, 7, 16, 0.58);
}

.learning-track::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  content: "";
  background: var(--cyan);
}

.learning-track-quantum {
  background:
    radial-gradient(circle at 92% 6%, rgba(118, 92, 255, 0.2), transparent 38%),
    rgba(8, 7, 16, 0.58);
}

.learning-track-quantum::before {
  background: linear-gradient(90deg, var(--gold-bright), var(--violet));
}

.learning-track-topline {
  display: grid;
  align-items: center;
  gap: 14px;
  margin-bottom: 40px;
  color: rgba(255, 255, 255, 0.58);
  font-family: var(--mono);
  font-size: 0.59rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  grid-template-columns: auto minmax(0, 1fr);
}

.learning-track-topline span {
  color: var(--cyan);
}

.learning-track-quantum .learning-track-topline span {
  color: var(--gold-bright);
}

.learning-track-topline p {
  margin: 0;
}

.learning-track h3 {
  margin: 0 0 22px;
  font-family: var(--serif);
  font-size: clamp(2.65rem, 4.4vw, 4.5rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1;
}

.learning-track-quantum h3 {
  color: var(--gold-bright);
  font-style: italic;
}

.learning-track-promise {
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: clamp(0.98rem, 1.3vw, 1.08rem);
  line-height: 1.7;
}

.learning-track-content {
  margin-top: 42px;
}

.learning-track-content h4 {
  margin: 0 0 12px;
  color: rgba(255, 255, 255, 0.5);
  font-family: var(--mono);
  font-size: 0.59rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.learning-features {
  margin: 0;
  padding: 0;
  list-style: none;
}

.learning-features li {
  display: grid;
  gap: 14px;
  padding: 13px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.11);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.86rem;
  line-height: 1.55;
  grid-template-columns: 8px minmax(0, 1fr);
}

.learning-features li::before {
  width: 4px;
  height: 4px;
  margin-top: 0.58em;
  border-radius: 50%;
  content: "";
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(119, 229, 216, 0.65);
}

.learning-track-quantum .learning-features li::before {
  background: var(--gold-bright);
  box-shadow: 0 0 10px rgba(235, 214, 132, 0.55);
}

.learning-takeaway {
  margin: auto 0 0;
  padding-top: 34px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.learning-takeaway span {
  display: block;
  margin-bottom: 10px;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.learning-track-quantum .learning-takeaway span {
  color: var(--gold-bright);
}

.learning-takeaway strong {
  display: block;
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(1rem, 1.3vw, 1.13rem);
  font-weight: 500;
  line-height: 1.55;
}

.learning-lab-close {
  display: grid;
  align-items: center;
  gap: 28px;
  margin-top: 28px;
  grid-template-columns: minmax(0, 1fr) auto;
}

.learning-lab-boundary {
  display: grid;
  align-items: start;
  gap: 17px;
  padding: 20px 22px;
  border: 1px solid rgba(119, 229, 216, 0.24);
  background: rgba(119, 229, 216, 0.05);
  grid-template-columns: auto minmax(0, 1fr);
}

.learning-lab-boundary > span {
  color: var(--cyan);
  font-family: var(--serif);
  font-size: 1.45rem;
  line-height: 1;
}

.learning-lab-boundary p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.83rem;
  line-height: 1.6;
}

.learning-lab-cta {
  min-width: 210px;
  white-space: nowrap;
}

/* Method */
.method-grid {
  display: grid;
  align-items: start;
  gap: clamp(60px, 10vw, 160px);
  grid-template-columns: minmax(340px, 0.85fr) minmax(0, 1.15fr);
}

.method-heading {
  position: sticky;
  top: 130px;
}

.method-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: steps;
}

.method-steps li {
  display: grid;
  min-height: 210px;
  align-items: start;
  gap: 28px;
  padding: 38px 0;
  border-top: 1px solid var(--line-light);
  grid-template-columns: 55px 1fr;
}

.method-steps li:last-child {
  border-bottom: 1px solid var(--line-light);
}

.method-steps > li > span {
  padding-top: 7px;
  color: #756b37;
  font-family: var(--mono);
  font-size: 0.62rem;
}

.method-steps h3 {
  margin: 0 0 16px;
  font-family: var(--serif);
  font-size: clamp(2.4rem, 4vw, 4rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1;
}

.method-steps p {
  max-width: 520px;
  margin: 0;
  opacity: 0.58;
}

/* About */
.about {
  padding-bottom: 0;
}

.about-grid {
  display: grid;
  align-items: center;
  gap: clamp(60px, 9vw, 150px);
  grid-template-columns: minmax(340px, 0.82fr) minmax(0, 1.18fr);
}

.about-portrait {
  position: relative;
  margin: 0;
}

.about-portrait::before {
  position: absolute;
  z-index: 2;
  top: -18px;
  right: -18px;
  width: 84%;
  height: 84%;
  border-top: 1px solid var(--gold);
  border-right: 1px solid var(--gold);
  content: "";
  pointer-events: none;
}

.about-portrait img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center top;
  filter: saturate(0.76) contrast(1.07);
}

.about-portrait figcaption {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.44);
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 0.08em;
}

.about-copy .display {
  max-width: 780px;
}

.about-copy > p:not(.eyebrow) {
  max-width: 700px;
  color: rgba(255, 255, 255, 0.61);
  line-height: 1.75;
}

.about-copy .about-lead {
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.14rem;
}

.about-copy blockquote {
  max-width: 700px;
  margin: 45px 0 0;
  padding: 23px 0 0 28px;
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--gold);
  color: var(--gold-bright);
  font-family: var(--serif);
  font-size: clamp(1.7rem, 2.5vw, 2.5rem);
  font-style: italic;
  line-height: 1.2;
}

.metrics {
  display: grid;
  margin-top: clamp(90px, 10vw, 140px);
  border-top: 1px solid var(--line-dark);
  grid-template-columns: repeat(3, 1fr);
}

.metric {
  min-height: 280px;
  padding: 48px 46px 50px 0;
  border-right: 1px solid var(--line-dark);
}

.metric + .metric {
  padding-left: 46px;
}

.metric:last-child {
  border-right: 0;
}

.metric strong {
  display: block;
  margin-bottom: 66px;
  color: var(--gold-bright);
  font-family: var(--serif);
  font-size: clamp(4rem, 6vw, 7rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 0.9;
}

.metric p {
  max-width: 300px;
  margin: 0;
  color: rgba(255, 255, 255, 0.53);
  font-size: 0.9rem;
}

/* Testimonial */
.testimonial-grid {
  display: grid;
  align-items: start;
  gap: 50px;
  grid-template-columns: minmax(160px, 0.28fr) minmax(0, 1.72fr);
}

.testimonial .eyebrow {
  margin-top: 10px;
}

.testimonial blockquote {
  margin: 0;
}

.quote {
  max-width: 1030px;
  margin-bottom: 48px;
  font-size: clamp(3rem, 5.5vw, 6.5rem);
  line-height: 1.02;
}

.testimonial blockquote footer {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-size: 0.84rem;
}

.testimonial blockquote footer span {
  opacity: 0.58;
}

/* Insights */
.insight-grid {
  display: grid;
  gap: 18px;
  margin-top: 72px;
  grid-template-columns: repeat(2, 1fr);
}

.insight-card {
  position: relative;
  display: flex;
  min-height: 420px;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--line-light);
  background: var(--paper);
  transition:
    transform 260ms cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 260ms ease;
}

.engagements .insight-card {
  min-height: 330px;
}

.insight-card:hover {
  transform: translateY(-7px);
  box-shadow: 0 20px 55px rgba(11, 11, 15, 0.1);
}

.insight-card-dark {
  border-color: var(--ink);
  background:
    radial-gradient(circle at 75% 20%, rgba(118, 92, 255, 0.35), transparent 30%),
    var(--ink);
  color: var(--white);
}

.insight-meta {
  display: flex;
  justify-content: space-between;
  color: #776c37;
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.insight-card-dark .insight-meta {
  color: var(--cyan);
}

.insight-card h3 {
  max-width: 360px;
  margin: auto 0 18px;
  font-family: var(--serif);
  font-size: clamp(2.1rem, 3.2vw, 3.5rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.04;
}

.insight-card p {
  max-width: 330px;
  margin: 0;
  opacity: 0.59;
  font-size: 0.88rem;
}

.insight-arrow {
  position: absolute;
  right: 25px;
  bottom: 23px;
  font-size: 1.15rem;
}

/* FAQ */
.faq {
  padding-top: 0;
}

.faq-grid {
  display: grid;
  align-items: start;
  gap: clamp(60px, 9vw, 150px);
  padding-top: var(--section-space);
  border-top: 1px solid var(--line-light);
  grid-template-columns: minmax(330px, 0.82fr) minmax(0, 1.18fr);
}

.faq-list {
  border-top: 1px solid var(--line-light);
}

.faq-list details {
  border-bottom: 1px solid var(--line-light);
}

.faq-list summary {
  position: relative;
  padding: 29px 52px 29px 0;
  cursor: pointer;
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.3vw, 2.15rem);
  line-height: 1.15;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  position: absolute;
  top: 28px;
  right: 2px;
  content: "+";
  font-family: var(--sans);
  font-size: 1.3rem;
  font-weight: 400;
  transition: transform 200ms ease;
}

.faq-list details[open] summary::after {
  transform: rotate(45deg);
}

.faq-list details p {
  max-width: 680px;
  margin: -4px 0 30px;
  opacity: 0.62;
  line-height: 1.75;
}

/* Contact */
.contact {
  overflow: hidden;
  background:
    radial-gradient(circle at 15% 80%, rgba(118, 92, 255, 0.3), transparent 31%),
    radial-gradient(circle at 87% 10%, rgba(119, 229, 216, 0.09), transparent 29%),
    var(--ink);
}

.contact-grid {
  position: relative;
  z-index: 2;
  display: grid;
  align-items: center;
  gap: clamp(70px, 10vw, 160px);
  grid-template-columns: minmax(0, 1.15fr) minmax(380px, 0.85fr);
}

.contact-copy > p:last-child {
  max-width: 580px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 1.05rem;
}

.conversation-card {
  padding: clamp(28px, 4vw, 46px);
  border: 1px solid rgba(255, 255, 255, 0.17);
  background: rgba(255, 255, 255, 0.045);
  backdrop-filter: blur(12px);
}

.conversation-label {
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.6);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topic-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 36px;
}

.topic {
  max-width: 100%;
  padding: 10px 13px;
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 100px;
  background: transparent;
  color: rgba(255, 255, 255, 0.56);
  cursor: pointer;
  font-size: 0.7rem;
  line-height: 1.3;
  overflow-wrap: anywhere;
  white-space: normal;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    color 180ms ease;
}

.topic:hover,
.topic.active {
  border-color: var(--cyan);
  background: rgba(119, 229, 216, 0.08);
  color: var(--white);
}

.contact-details {
  display: grid;
  gap: 10px;
  margin-top: 32px;
  color: rgba(255, 255, 255, 0.53);
  font-size: 0.79rem;
}

.contact-details a {
  transition: color 180ms ease;
}

.contact-details a:hover {
  color: var(--gold-bright);
}

.contact-details address {
  font-style: normal;
}

.contact-orbit {
  position: absolute;
  top: 50%;
  left: -13%;
  width: 55vw;
  min-width: 600px;
  transform: translateY(-50%) rotate(18deg);
  border: 1px solid rgba(232, 217, 152, 0.11);
  border-radius: 50%;
  aspect-ratio: 2.5;
}

.contact-orbit::before,
.contact-orbit::after {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(119, 229, 216, 0.09);
  border-radius: 50%;
  content: "";
}

.contact-orbit::before {
  width: 85%;
  transform: translate(-50%, -50%) rotate(60deg);
  aspect-ratio: 2.2;
}

.contact-orbit::after {
  width: 70%;
  transform: translate(-50%, -50%) rotate(120deg);
  aspect-ratio: 1.8;
}

/* Footer */
.site-footer {
  padding-top: 65px;
  border-top: 1px solid var(--line-dark);
  background: #07070a;
  color: var(--white);
}

.footer-grid {
  display: grid;
  align-items: start;
  gap: 60px;
  padding-bottom: 60px;
  grid-template-columns: 1fr auto auto;
}

.footer-logo {
  display: block;
  width: clamp(190px, 20vw, 230px);
  height: auto;
  filter: invert(1);
  mix-blend-mode: lighten;
}

.footer-position {
  margin: 13px 0 0;
  color: rgba(255, 255, 255, 0.38);
  font-size: 0.75rem;
}

.footer-links,
.footer-legal {
  display: grid;
  gap: 10px;
  color: rgba(255, 255, 255, 0.57);
  font-size: 0.8rem;
}

.footer-links a:hover,
.footer-legal a:hover {
  color: var(--gold-bright);
}

.footer-legal {
  text-align: right;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-block: 23px;
  border-top: 1px solid var(--line-dark);
  color: rgba(255, 255, 255, 0.32);
  font-family: var(--mono);
  font-size: 0.53rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.footer-bottom p {
  margin: 0;
}

.footer-bottom p:last-child {
  max-width: 650px;
  text-align: right;
}

/* Reveal states */
.js-ready [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 760ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 760ms cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--reveal-delay, 0ms);
}

.js-ready [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

@media (max-width: 1120px) {
  :root {
    --shell: min(100% - 48px, 1100px);
  }

  .desktop-nav {
    gap: 22px;
    margin-right: 24px;
  }

  .header-actions {
    gap: 14px;
  }

  .hero-grid {
    gap: 45px;
    grid-template-columns: minmax(0, 1.06fr) minmax(340px, 0.94fr);
  }

  .display-hero {
    font-size: clamp(4rem, 6.5vw, 6rem);
  }

  .service-card {
    gap: 18px;
    grid-template-columns: 42px 1fr 52px;
    padding-block: 34px;
  }

  .service-number {
    padding-top: 5px;
  }

  .service-copy {
    grid-column: 2 / 3;
  }

  .round-link {
    grid-column: 3;
    grid-row: 1 / 3;
  }
}

@media (max-width: 900px) {
  :root {
    --shell: min(100% - 40px, 760px);
  }

  .site-header,
  .site-header.scrolled {
    height: 72px;
  }

  .desktop-nav,
  .header-actions .button-small {
    display: none;
  }

  .menu-toggle {
    display: flex;
    width: 34px;
    height: 34px;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    gap: 7px;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
  }

  .menu-toggle > span:not(.sr-only) {
    display: block;
    width: 24px;
    height: 1px;
    background: currentColor;
    transition:
      transform 200ms ease,
      width 200ms ease;
  }

  .menu-toggle > span:nth-child(2) {
    width: 16px;
  }

  .menu-toggle[aria-expanded="true"] > span:first-child {
    transform: translateY(4px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] > span:nth-child(2) {
    width: 24px;
    transform: translateY(-4px) rotate(-45deg);
  }

  .mobile-nav {
    position: absolute;
    z-index: 99;
    top: 72px;
    right: 0;
    left: 0;
    display: flex;
    width: 100%;
    height: calc(100svh - 72px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
    transform: translateY(-12px);
    visibility: hidden;
    background:
      radial-gradient(circle at 80% 15%, rgba(118, 92, 255, 0.22), transparent 30%),
      rgba(11, 11, 15, 0.98);
    opacity: 0;
    pointer-events: none;
    transition:
      opacity 220ms ease,
      transform 220ms ease,
      visibility 220ms;
  }

  .mobile-nav.open {
    transform: translateY(0);
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-nav a {
    font-family: var(--serif);
    font-size: clamp(2.5rem, 9vw, 4rem);
    line-height: 1;
  }

  .hero-grid {
    min-height: auto;
    gap: 70px;
    grid-template-columns: 1fr;
    padding-top: 145px;
    padding-bottom: 118px;
  }

  .display-hero {
    max-width: 760px;
    font-size: clamp(4.2rem, 11vw, 7rem);
  }

  .hero-intro {
    max-width: 680px;
  }

  .hero-visual {
    width: min(100%, 620px);
    margin-left: auto;
  }

  .portrait-frame {
    width: 100%;
  }

  .split-intro,
  .section-heading,
  .method-grid,
  .about-grid,
  .faq-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .learning-tracks {
    grid-template-columns: 1fr;
  }

  .split-intro .section-lead {
    max-width: 680px;
  }

  .method-heading {
    position: static;
  }

  .about-portrait {
    width: min(100%, 620px);
  }

  .testimonial-grid {
    gap: 20px;
    grid-template-columns: 1fr;
  }

  .insight-grid {
    grid-template-columns: 1fr;
  }

  .insight-card {
    min-height: 330px;
  }

  .contact-copy,
  .conversation-card {
    max-width: 720px;
  }
}

@media (max-width: 640px) {
  :root {
    --shell: calc(100% - 32px);
    --section-space: 92px;
  }

  html {
    scroll-padding-top: 74px;
  }

  .brand-mark {
    width: 33px;
    height: 33px;
  }

  .brand-name {
    font-size: 0.95rem;
  }

  .header-logo {
    width: 160px;
  }

  .header-actions {
    gap: 11px;
  }

  .language-switch {
    font-size: 0.58rem;
  }

  .hero-grid {
    gap: 58px;
    padding-top: 126px;
    padding-bottom: 104px;
  }

  .display-hero {
    margin-bottom: 28px;
    font-size: clamp(3.25rem, 15vw, 4.75rem);
  }

  .display-section {
    font-size: clamp(2.8rem, 12.5vw, 4.5rem);
  }

  .display-contact {
    font-size: clamp(2.8rem, 13vw, 4.5rem);
  }

  .eyebrow {
    font-size: 0.6rem;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 14px;
  }

  .hero-actions .button {
    width: 100%;
    justify-content: space-between;
  }

  .text-link {
    width: max-content;
  }

  .portrait-frame {
    aspect-ratio: 0.9;
  }

  .outcomes-grid,
  .metrics {
    grid-template-columns: 1fr;
  }

  .outcome,
  .outcome + .outcome,
  .metric,
  .metric + .metric {
    min-height: 0;
    padding: 25px 0 34px;
    border-right: 0;
    border-bottom: 1px solid var(--line-light);
  }

  .outcome h3 {
    margin-top: 42px;
  }

  .metric {
    border-color: var(--line-dark);
  }

  .metric strong {
    margin-bottom: 30px;
  }

  .learning-tracks {
    margin-top: 58px;
  }

  .learning-track {
    padding: 29px 23px 31px;
  }

  .learning-track-topline {
    margin-bottom: 30px;
  }

  .learning-track h3 {
    font-size: clamp(2.65rem, 14vw, 4rem);
  }

  .learning-lab-close {
    grid-template-columns: 1fr;
  }

  .learning-lab-cta {
    width: 100%;
    justify-content: space-between;
  }

  .service-card {
    min-height: 0;
    grid-template-columns: 36px 1fr;
  }

  .service-main h3 {
    font-size: clamp(1.9rem, 9.5vw, 2.35rem);
  }

  .service-copy {
    grid-column: 2 / 3;
  }

  .round-link {
    width: 46px;
    height: 46px;
    margin-top: 8px;
    grid-column: 2;
    grid-row: auto;
  }

  .service-card:hover {
    padding-inline: 14px;
  }

  .service-card-accent::before {
    display: none;
  }

  .method-steps li {
    min-height: 0;
    grid-template-columns: 40px 1fr;
  }

  .method-steps h3 {
    font-size: 2.7rem;
  }

  .about-grid {
    gap: 72px;
  }

  .about-portrait::before {
    top: -12px;
    right: 0;
  }

  .about-copy blockquote {
    margin-top: 36px;
    padding-left: 20px;
  }

  .metrics {
    margin-top: 80px;
  }

  .quote {
    font-size: clamp(2.8rem, 13vw, 4.5rem);
  }

  .testimonial blockquote footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .insight-card {
    min-height: 360px;
    padding: 22px;
  }

  .engagements .insight-card {
    min-height: 320px;
  }

  .faq-grid {
    gap: 48px;
  }

  .faq-list summary {
    font-size: 1.7rem;
  }

  .conversation-card {
    padding: 24px 19px;
  }

  .contact-grid {
    gap: 55px;
  }

  .footer-grid {
    gap: 42px;
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid > div:first-child {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .footer-bottom p:last-child {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js-ready [data-reveal] {
    opacity: 1;
    transform: none;
  }
}