:root {
  --ink: #15111f;
  --muted: #665f70;
  --paper: #f5f1e9;
  --paper-bright: #fffdf7;
  --midnight: #100a25;
  --midnight-soft: #1c123c;
  --purple: #7049df;
  --purple-bright: #966bff;
  --amber: #ffbc57;
  --amber-soft: #ffd998;
  --line-light: rgba(23, 17, 32, .13);
  --line-dark: rgba(255, 255, 255, .14);
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", "Times New Roman", serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  --shell: min(1180px, calc(100vw - 64px));
  --header-height: 82px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

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

button {
  font: inherit;
}

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

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 16px;
  padding: 10px 16px;
  color: var(--midnight);
  background: var(--amber);
  border-radius: 4px;
  transform: translateY(-150%);
  transition: transform .2s ease;
}

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

:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 4px;
}

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  height: var(--header-height);
  color: var(--paper-bright);
  transition: background-color .35s ease, box-shadow .35s ease, height .35s ease;
}

.site-header.is-scrolled {
  height: 70px;
  background: rgba(13, 8, 31, .88);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .09);
  backdrop-filter: blur(18px);
}

.nav-shell {
  width: var(--shell);
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 700;
  letter-spacing: .08em;
}

.brand-mark {
  width: 34px;
  color: var(--amber);
}

.brand-name {
  font-size: 15px;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 13px;
  letter-spacing: .08em;
}

.site-nav a {
  position: relative;
  padding: 8px 0;
  color: rgba(255, 255, 255, .78);
  transition: color .25s ease;
}

.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 3px;
  left: 0;
  height: 1px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .25s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: #fff;
}

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

.site-nav .nav-cta {
  padding: 10px 18px;
  color: var(--midnight);
  background: var(--amber);
  border: 1px solid var(--amber);
  border-radius: 2px;
  font-weight: 700;
  transition: background-color .25s ease, color .25s ease;
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta:focus-visible {
  color: var(--amber-soft);
  background: transparent;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  color: #fff;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 1px;
  margin: 7px auto;
  background: currentColor;
  transition: transform .3s ease;
}

.hero {
  position: relative;
  min-height: 820px;
  height: max(100vh, 820px);
  overflow: hidden;
  color: var(--paper-bright);
  background:
    linear-gradient(110deg, rgba(8, 5, 20, .05), rgba(45, 21, 88, .2)),
    var(--midnight);
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: .2;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 80px 80px;
  -webkit-mask-image: linear-gradient(to right, black, transparent 55%);
  mask-image: linear-gradient(to right, black, transparent 55%);
}

.grain {
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: .22;
  pointer-events: none;
  background-image: url("grain.svg");
}

.hero-glow {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  filter: blur(2px);
  pointer-events: none;
}

.hero-glow-one {
  width: 680px;
  height: 680px;
  top: -210px;
  right: -130px;
  background: radial-gradient(circle, rgba(112, 73, 223, .4), rgba(112, 73, 223, 0) 70%);
}

.hero-glow-two {
  width: 520px;
  height: 520px;
  right: 23%;
  bottom: -390px;
  background: radial-gradient(circle, rgba(255, 188, 87, .17), rgba(255, 188, 87, 0) 70%);
}

.hero-shell {
  position: relative;
  z-index: 2;
  width: var(--shell);
  height: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(480px, .98fr);
  align-items: center;
  gap: 50px;
  padding-top: var(--header-height);
  padding-bottom: 70px;
}

.eyebrow,
.overline {
  margin: 0 0 22px;
  color: var(--amber);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .22em;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
}

.eyebrow span {
  width: 24px;
  height: 1px;
  background: currentColor;
}

.hero h1,
.section-heading h2,
.manifesto h2,
.process h2,
.belief h2,
.start h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.17;
  letter-spacing: -.035em;
}

.hero h1 {
  max-width: 720px;
  font-size: clamp(52px, 5.3vw, 82px);
}

.hero h1 em {
  color: var(--amber-soft);
  font-style: normal;
}

.hero-intro {
  max-width: 580px;
  margin: 30px 0 0;
  color: rgba(255, 255, 255, .66);
  font-size: 17px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 34px;
  margin-top: 42px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 26px;
  padding: 13px 24px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
  transition: transform .25s ease, background-color .25s ease, color .25s ease, border-color .25s ease;
}

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

.button-primary {
  color: var(--midnight);
  background: var(--amber);
}

.button-primary:hover,
.button-primary:focus-visible {
  color: var(--amber-soft);
  background: transparent;
  border-color: var(--amber);
}

.text-link {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  padding: 10px 0;
  color: rgba(255, 255, 255, .78);
  border-bottom: 1px solid rgba(255, 255, 255, .24);
  font-size: 14px;
  transition: color .25s ease, border-color .25s ease;
}

.text-link:hover {
  color: #fff;
  border-color: var(--amber);
}

.hero-visual {
  position: relative;
  height: min(66vw, 620px);
  min-height: 540px;
  display: grid;
  place-items: center;
}

.orbit {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, .13);
  border-radius: 50%;
}

.orbit-outer {
  width: 510px;
  height: 510px;
}

.orbit-inner {
  width: 405px;
  height: 405px;
  border-color: rgba(255, 188, 87, .16);
}

.signal-dot {
  position: absolute;
  z-index: 2;
  width: 9px;
  height: 9px;
  background: var(--amber);
  border-radius: 50%;
  box-shadow: 0 0 0 7px rgba(255, 188, 87, .1), 0 0 28px var(--amber);
}

.signal-one {
  top: 92px;
  right: 73px;
}

.signal-two {
  bottom: 101px;
  left: 77px;
}

.core-card,
.float-card {
  border: 1px solid rgba(255, 255, 255, .15);
  background: linear-gradient(145deg, rgba(255,255,255,.11), rgba(255,255,255,.045));
  box-shadow: 0 30px 80px rgba(0, 0, 0, .33);
  backdrop-filter: blur(18px);
}

.core-card {
  position: relative;
  z-index: 2;
  width: 326px;
  min-height: 430px;
  padding: 24px;
  transform: rotate(2.2deg);
}

.core-topline {
  display: flex;
  justify-content: space-between;
  color: rgba(255,255,255,.66);
  font-size: 11px;
  letter-spacing: .1em;
}

.status {
  display: flex;
  align-items: center;
  gap: 6px;
}

.status i {
  width: 6px;
  height: 6px;
  background: #9fe7a0;
  border-radius: 50%;
  box-shadow: 0 0 9px #9fe7a0;
}

.core-sigil {
  width: 232px;
  margin: 40px auto 36px;
}

.core-steps {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: rgba(255,255,255,.68);
  font-size: 11px;
  letter-spacing: .12em;
}

.core-steps i {
  width: 28px;
  height: 1px;
  background: rgba(255,255,255,.18);
}

.float-card {
  position: absolute;
  z-index: 3;
}

.float-card-a {
  right: -24px;
  bottom: 86px;
  width: 220px;
  padding: 14px 16px 10px;
  transform: rotate(-4deg);
}

.float-label {
  display: block;
  margin-bottom: 4px;
  color: rgba(255,255,255,.62);
  font-size: 10px;
  letter-spacing: .14em;
}

.float-card-b {
  top: 115px;
  left: 7px;
  display: flex;
  align-items: center;
  gap: 12px;
  width: 170px;
  padding: 16px;
  transform: rotate(-5deg);
}

.float-card-b .mini-icon {
  color: var(--amber);
  font-size: 27px;
}

.float-card-b b,
.float-card-b small {
  display: block;
}

.float-card-b b {
  font-size: 12px;
}

.float-card-b small {
  margin-top: 2px;
  color: rgba(255,255,255,.48);
  font-size: 9px;
  letter-spacing: .08em;
}

.hero-footer {
  position: absolute;
  z-index: 2;
  bottom: 0;
  left: 50%;
  width: var(--shell);
  height: 70px;
  display: flex;
  align-items: center;
  gap: 20px;
  color: rgba(255,255,255,.36);
  border-top: 1px solid rgba(255,255,255,.1);
  transform: translateX(-50%);
  font-size: 10px;
  letter-spacing: .2em;
}

.hero-footer i {
  width: 3px;
  height: 3px;
  background: var(--amber);
  border-radius: 50%;
}

.light-section {
  background: var(--paper);
}

.section-shell {
  width: var(--shell);
  margin: 0 auto;
}

.manifesto {
  position: relative;
  padding: 150px 0 142px;
  overflow: hidden;
}

.manifesto::after {
  content: "";
  position: absolute;
  right: -130px;
  bottom: -240px;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(112, 73, 223, .12);
  border-radius: 50%;
  box-shadow: inset 0 0 0 68px var(--paper), inset 0 0 0 69px rgba(112, 73, 223, .1);
}

.manifesto-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 50px;
}

.section-label {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.section-label span {
  padding-top: 1px;
  color: var(--purple);
}

.section-label p {
  margin: 0;
}

.manifesto-content {
  max-width: 850px;
}

.manifesto h2,
.section-heading h2,
.process h2,
.start h2 {
  font-size: clamp(42px, 4.5vw, 64px);
}

.manifesto-content > p {
  max-width: 760px;
  margin: 36px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 2;
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 62px;
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.principles div {
  padding: 24px 24px 24px 0;
  display: flex;
  align-items: center;
  gap: 16px;
}

.principles div + div {
  padding-left: 24px;
  border-left: 1px solid var(--line-light);
}

.principles strong {
  color: var(--amber);
  font-family: var(--serif);
  font-size: 22px;
}

.principles span {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
}

.services {
  padding: 30px 0 150px;
}

.section-heading {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 50px;
  align-items: start;
  margin-bottom: 72px;
}

.section-heading .overline,
.process .overline,
.start .overline {
  color: var(--purple);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.service-card {
  position: relative;
  min-height: 500px;
  padding: 34px 34px 38px;
  overflow: hidden;
  background: var(--paper-bright);
  border: 1px solid rgba(20, 15, 30, .09);
  box-shadow: 0 22px 60px rgba(28, 18, 60, .05);
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}

.service-card::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 180px;
  height: 180px;
  border: 1px solid rgba(112, 73, 223, .12);
  border-radius: 50%;
  transition: transform .45s ease;
}

.service-card:hover {
  z-index: 1;
  transform: translateY(-8px);
  border-color: rgba(112, 73, 223, .2);
  box-shadow: 0 28px 80px rgba(28, 18, 60, .12);
}

.service-card:hover::after {
  transform: scale(1.16);
}

.service-card.featured {
  color: var(--paper-bright);
  background: var(--midnight-soft);
  border-color: transparent;
  transform: translateY(-18px);
}

.service-card.featured:hover {
  transform: translateY(-26px);
}

.card-number {
  color: var(--muted);
  font-family: var(--serif);
  font-size: 13px;
}

.featured .card-number,
.featured p,
.featured li {
  color: rgba(255,255,255,.57);
}

.service-icon {
  width: 48px;
  height: 48px;
  margin: 54px 0 34px;
  color: var(--purple);
}

.featured .service-icon {
  color: var(--amber);
}

.service-icon svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-card h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 28px;
  line-height: 1.3;
}

.service-card > p {
  min-height: 84px;
  margin: 18px 0 28px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}

.service-card ul {
  margin: 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line-light);
  list-style: none;
}

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

.service-card li {
  position: relative;
  padding-left: 16px;
  color: #514b59;
  font-size: 12px;
  line-height: 2.1;
}

.service-card li::before {
  content: "";
  position: absolute;
  top: 1em;
  left: 0;
  width: 5px;
  height: 1px;
  background: var(--amber);
}

.dark-section {
  color: var(--paper-bright);
  background: var(--midnight);
}

.scenarios {
  position: relative;
  padding: 150px 0;
  overflow: hidden;
  isolation: isolate;
}

.scenario-halo {
  position: absolute;
  z-index: -1;
  top: 80px;
  left: -300px;
  width: 750px;
  height: 750px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(112, 73, 223, .27), transparent 68%);
}

.section-heading-dark .section-label,
.section-heading-dark h2 {
  color: var(--paper-bright);
}

.section-heading-dark .section-label {
  color: rgba(255,255,255,.48);
}

.scenario-grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 20px;
}

.scenario-card {
  position: relative;
  min-height: 390px;
  overflow: hidden;
  border: 1px solid var(--line-dark);
  background: rgba(255,255,255,.035);
  transition: border-color .3s ease, transform .3s ease, background-color .3s ease;
}

.scenario-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 188, 87, .34);
  background: rgba(255,255,255,.055);
}

.scenario-large {
  grid-row: span 2;
  min-height: 800px;
}

.scenario-visual {
  position: relative;
  overflow: hidden;
}

.scenario-large .scenario-visual {
  height: 560px;
}

.scenario-card:not(.scenario-large) .scenario-visual {
  position: absolute;
  inset: 0 0 0 48%;
}

.visual-one {
  background:
    radial-gradient(circle at 50% 50%, rgba(112,73,223,.24), transparent 55%),
    linear-gradient(145deg, #1d123d, #0f0a24);
}

.visual-one::after,
.visual-two::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 40px 40px;
}

.visual-orbit,
.visual-disc {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.visual-orbit {
  width: 390px;
  height: 390px;
  border: 1px solid rgba(255,255,255,.15);
  box-shadow: inset 0 0 0 68px rgba(255,255,255,.015), inset 0 0 0 69px rgba(255,255,255,.08);
}

.visual-disc {
  z-index: 1;
  width: 165px;
  height: 165px;
  background: radial-gradient(circle at 35% 30%, #ffd384, #ac68e6 52%, #3b217c 76%);
  box-shadow: 0 0 90px rgba(149,89,241,.38);
}

.visual-line {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  width: 470px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
}

.line-a { transform: translate(-50%, -50%) rotate(28deg); }
.line-b { transform: translate(-50%, -50%) rotate(-38deg); opacity: .35; }

.scenario-copy {
  position: relative;
  z-index: 3;
  padding: 30px 34px 34px;
}

.scenario-card:not(.scenario-large) .scenario-copy {
  width: 56%;
  min-height: 390px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.scenario-copy > span {
  color: var(--amber);
  font-size: 10px;
  letter-spacing: .18em;
}

.scenario-copy h3 {
  margin: 10px 0 12px;
  font-family: var(--serif);
  font-size: 27px;
  line-height: 1.4;
}

.scenario-copy p {
  margin: 0;
  color: rgba(255,255,255,.54);
  font-size: 13px;
  line-height: 1.85;
}

.visual-two {
  background: linear-gradient(140deg, #22153f, #110b29);
  perspective: 500px;
}

.stack {
  position: absolute;
  z-index: 2;
  width: 145px;
  height: 90px;
  left: 50%;
  border: 1px solid rgba(255,255,255,.24);
  background: linear-gradient(145deg, rgba(150,107,255,.5), rgba(255,255,255,.04));
  transform: translateX(-50%) rotateX(60deg) rotateZ(-28deg);
  box-shadow: 0 20px 30px rgba(0,0,0,.25);
}

.stack-a { top: 64px; }
.stack-b { top: 114px; }
.stack-c { top: 164px; border-color: rgba(255,188,87,.54); }

.visual-three {
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 80% 15%, rgba(255,188,87,.1), transparent 45%);
}

.visual-three svg {
  width: 92%;
}

.process {
  padding: 150px 0 160px;
}

.process-intro {
  display: grid;
  grid-template-columns: 230px 1fr 300px;
  gap: 50px;
  align-items: end;
}

.process-lead {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}

.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin: 100px 0 0;
  padding: 0;
  list-style: none;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 50px;
  right: 0;
  left: 0;
  height: 1px;
  background: var(--line-light);
}

.timeline li {
  position: relative;
  padding-right: 34px;
}

.timeline-number {
  color: var(--purple);
  font-family: var(--serif);
  font-size: 13px;
}

.timeline-mark {
  position: relative;
  z-index: 2;
  width: 10px;
  height: 10px;
  margin: 35px 0 42px;
  background: var(--paper);
  border: 2px solid var(--purple);
  border-radius: 50%;
  box-shadow: 0 0 0 7px var(--paper);
}

.timeline li:first-child .timeline-mark {
  background: var(--amber);
  border-color: var(--amber);
}

.timeline h3 {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: 23px;
}

.timeline p {
  max-width: 220px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.belief {
  position: relative;
  min-height: 690px;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: var(--paper-bright);
  background:
    linear-gradient(rgba(14,9,33,.48), rgba(14,9,33,.73)),
    radial-gradient(ellipse at 48% 48%, #6843ae 0, #27154c 35%, #0e0921 72%);
  isolation: isolate;
}

.belief::before,
.belief::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: 50%;
  border: 1px solid rgba(255,255,255,.11);
  border-radius: 50%;
  transform: translateX(-50%);
}

.belief::before {
  width: 530px;
  height: 530px;
}

.belief::after {
  width: 370px;
  height: 370px;
  border-color: rgba(255,188,87,.15);
}

.belief-glow {
  position: absolute;
  left: 50%;
  width: 3px;
  height: 100%;
  background: linear-gradient(transparent, rgba(255,188,87,.5), transparent);
  box-shadow: 0 0 70px 20px rgba(255,188,87,.12);
  transform: rotate(35deg);
}

.belief-shell {
  position: relative;
  z-index: 2;
  width: var(--shell);
  text-align: center;
}

.belief h2 {
  font-size: clamp(44px, 5vw, 72px);
}

.belief h2 span {
  color: var(--amber-soft);
}

.belief-shell > p:last-child {
  margin: 34px 0 0;
  color: rgba(255,255,255,.54);
  font-size: 13px;
  letter-spacing: .12em;
}

.start {
  padding: 130px 0;
}

.start-panel {
  position: relative;
  min-height: 450px;
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 80px;
  align-items: center;
  padding: 68px 74px;
  overflow: hidden;
  color: var(--paper-bright);
  background: var(--midnight-soft);
  box-shadow: 0 30px 90px rgba(29, 18, 63, .14);
}

.start-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 50px 50px;
  -webkit-mask-image: linear-gradient(to left, black, transparent 70%);
  mask-image: linear-gradient(to left, black, transparent 70%);
}

.start-panel > * {
  position: relative;
  z-index: 2;
}

.start h2 {
  max-width: 630px;
}

.start-side p {
  margin: 0 0 30px;
  color: rgba(255,255,255,.6);
  font-size: 14px;
  line-height: 1.9;
}

.button-dark {
  color: var(--midnight);
  background: var(--amber);
}

.button-dark:hover,
.button-dark:focus-visible {
  color: var(--amber);
  background: transparent;
  border-color: var(--amber);
}

.start-mark {
  position: absolute;
  z-index: 1;
  right: -70px;
  bottom: -75px;
  width: 300px;
  color: rgba(255,255,255,.06);
}

.start-mark svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1;
}

.start-mark circle {
  fill: var(--amber);
  stroke: none;
}

.reveal {
  opacity: 1;
  transform: none;
}

.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .75s ease, transform .75s cubic-bezier(.22, 1, .36, 1);
}

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

.service-grid .reveal:nth-child(2),
.scenario-grid .reveal:nth-child(2),
.timeline .reveal:nth-child(2) { transition-delay: .08s; }

.service-grid .reveal:nth-child(3),
.scenario-grid .reveal:nth-child(3),
.timeline .reveal:nth-child(3) { transition-delay: .16s; }

.timeline .reveal:nth-child(4) { transition-delay: .24s; }

@media (max-width: 1080px) {
  :root {
    --shell: min(100% - 48px, 960px);
  }

  .hero-shell {
    grid-template-columns: minmax(0, 1fr) minmax(390px, .8fr);
    gap: 18px;
  }

  .hero h1 {
    font-size: clamp(49px, 6vw, 68px);
  }

  .orbit-outer { width: 430px; height: 430px; }
  .orbit-inner { width: 350px; height: 350px; }
  .core-card { width: 292px; min-height: 396px; }
  .core-sigil { width: 205px; margin-top: 34px; }
  .float-card-a { right: 0; }
  .signal-one { right: 36px; }
  .signal-two { left: 38px; }

  .process-intro {
    grid-template-columns: 180px 1fr;
  }

  .process-lead {
    grid-column: 2;
    max-width: 540px;
  }

  .scenario-card:not(.scenario-large) .scenario-visual {
    left: 50%;
  }

  .start-panel {
    padding: 58px;
  }
}

@media (max-width: 860px) {
  :root {
    --header-height: 70px;
    --shell: calc(100% - 40px);
  }

  .js .menu-toggle {
    position: relative;
    z-index: 102;
    display: block;
  }

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

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

  .js .site-nav {
    position: fixed;
    z-index: 101;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 18px;
    padding: 90px 30px 50px;
    visibility: hidden;
    opacity: 0;
    background: rgba(12, 7, 28, .98);
    transform: translateY(-14px);
    transition: opacity .25s ease, transform .25s ease, visibility .25s;
  }

  .js .site-nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .js .site-nav a {
    font-family: var(--serif);
    font-size: 25px;
  }

  .js .site-nav .nav-cta {
    margin-top: 12px;
    padding: 9px 24px;
    font-family: var(--sans);
    font-size: 14px;
  }

  html:not(.js) .site-header {
    height: 114px;
    background: rgba(13, 8, 31, .96);
  }

  html:not(.js) .nav-shell {
    height: 70px;
  }

  html:not(.js) .site-nav {
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    height: 44px;
    gap: 22px;
    padding: 0 20px;
    overflow-x: auto;
    border-top: 1px solid rgba(255, 255, 255, .09);
    background: rgba(13, 8, 31, .96);
    scrollbar-width: none;
  }

  html:not(.js) .site-nav::-webkit-scrollbar {
    display: none;
  }

  html:not(.js) .site-nav a {
    flex: 0 0 auto;
    white-space: nowrap;
  }

  html:not(.js) .site-nav .nav-cta {
    padding: 5px 10px;
  }

  .hero {
    min-height: 1000px;
    height: auto;
  }

  .hero-shell {
    grid-template-columns: 1fr;
    gap: 25px;
    padding-top: 150px;
    padding-bottom: 105px;
  }

  .hero-copy {
    position: relative;
    z-index: 5;
  }

  .hero-visual {
    width: min(100%, 560px);
    height: 520px;
    min-height: 0;
    margin: -10px auto 0;
  }

  .manifesto-grid,
  .section-heading {
    grid-template-columns: 145px 1fr;
    gap: 30px;
  }

  .service-grid {
    grid-template-columns: 1fr;
    max-width: 620px;
    margin: 0 auto;
  }

  .service-card,
  .service-card.featured {
    min-height: auto;
    transform: none;
  }

  .service-card.featured:hover {
    transform: translateY(-8px);
  }

  .service-card > p {
    min-height: 0;
  }

  .service-icon {
    margin: 34px 0 25px;
  }

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

  .scenario-large {
    min-height: 650px;
    grid-row: auto;
  }

  .scenario-large .scenario-visual {
    height: 430px;
  }

  .scenario-card:not(.scenario-large) {
    min-height: 330px;
  }

  .scenario-card:not(.scenario-large) .scenario-copy {
    min-height: 330px;
  }

  .process-intro {
    grid-template-columns: 145px 1fr;
    gap: 30px;
  }

  .timeline {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 60px;
  }

  .timeline::before {
    display: none;
  }

  .timeline-mark {
    margin: 22px 0 26px;
  }

  .start-panel {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .start-side {
    max-width: 560px;
  }
}

@media (max-width: 600px) {
  :root {
    --shell: calc(100% - 32px);
  }

  .brand-name {
    font-size: 14px;
  }

  .hero {
    min-height: 925px;
  }

  .hero-shell {
    padding-top: 126px;
    padding-bottom: 95px;
  }

  .eyebrow,
  .overline {
    margin-bottom: 16px;
  }

  .hero h1 {
    font-size: clamp(42px, 13.3vw, 58px);
    line-height: 1.22;
  }

  .hero-intro {
    margin-top: 22px;
    font-size: 15px;
    line-height: 1.8;
  }

  .hero-actions {
    align-items: flex-start;
    gap: 24px;
    margin-top: 30px;
  }

  .button {
    gap: 18px;
    min-height: 48px;
    padding: 11px 18px;
    font-size: 13px;
  }

  .hero-visual {
    height: 420px;
    margin-top: 8px;
  }

  .orbit-outer { width: 335px; height: 335px; }
  .orbit-inner { width: 280px; height: 280px; }
  .core-card { width: 240px; min-height: 330px; padding: 18px; }
  .core-sigil { width: 165px; margin: 29px auto 24px; }
  .core-topline, .core-steps { font-size: 9px; }
  .core-steps i { width: 20px; }
  .float-card-a { right: -10px; bottom: 25px; width: 165px; }
  .float-card-b { top: 50px; left: -6px; width: 142px; padding: 12px; }
  .signal-one { top: 47px; right: 14px; }
  .signal-two { bottom: 45px; left: 20px; }
  .hero-footer { height: 58px; gap: 9px; font-size: 8px; letter-spacing: .12em; }

  .manifesto,
  .scenarios,
  .process {
    padding: 96px 0;
  }

  .services {
    padding: 10px 0 100px;
  }

  .manifesto-grid,
  .section-heading,
  .process-intro {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .section-heading {
    margin-bottom: 46px;
  }

  .section-label {
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line-light);
  }

  .section-heading-dark .section-label {
    border-color: var(--line-dark);
  }

  .manifesto h2,
  .section-heading h2,
  .process h2,
  .start h2 {
    font-size: clamp(36px, 10.3vw, 48px);
  }

  .manifesto-content > p {
    margin-top: 26px;
    font-size: 16px;
  }

  .principles {
    grid-template-columns: 1fr;
    margin-top: 40px;
  }

  .principles div,
  .principles div + div {
    padding: 17px 0;
    border-left: 0;
  }

  .principles div + div {
    border-top: 1px solid var(--line-light);
  }

  .service-card {
    padding: 28px;
  }

  .scenario-large {
    min-height: 560px;
  }

  .scenario-large .scenario-visual {
    height: 340px;
  }

  .visual-orbit { width: 270px; height: 270px; }
  .visual-disc { width: 118px; height: 118px; }
  .visual-line { width: 320px; }

  .scenario-copy {
    padding: 24px;
  }

  .scenario-card:not(.scenario-large) {
    min-height: 460px;
  }

  .scenario-card:not(.scenario-large) .scenario-visual {
    inset: 0 0 46% 0;
  }

  .scenario-card:not(.scenario-large) .scenario-copy {
    width: 100%;
    min-height: 460px;
    justify-content: flex-end;
  }

  .scenario-copy h3 {
    font-size: 24px;
  }

  .process-lead {
    grid-column: auto;
  }

  .timeline {
    grid-template-columns: 1fr;
    gap: 0;
    margin-top: 60px;
    border-top: 1px solid var(--line-light);
  }

  .timeline li {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 14px;
    padding: 28px 0;
    border-bottom: 1px solid var(--line-light);
  }

  .timeline-number {
    grid-row: 1 / span 2;
  }

  .timeline-mark {
    display: none;
  }

  .timeline p {
    max-width: none;
  }

  .belief {
    min-height: 570px;
  }

  .belief::before { width: 380px; height: 380px; }
  .belief::after { width: 255px; height: 255px; }
  .belief h2 { font-size: clamp(38px, 11vw, 52px); }

  .start {
    padding: 70px 0;
  }

  .start-panel {
    width: 100%;
    min-height: 520px;
    gap: 36px;
    padding: 48px 24px;
  }

  .start-mark {
    width: 220px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}