:root {
  --purple: #160b2b;
  --purple-soft: #2b1554;
  --purple-mid: #43266e;
  --pearl: #f8f3e9;
  --paper: #fffdf8;
  --amber: #ffb21c;
  --amber-soft: #ffd675;
  --lilac: #cdb8ff;
  --ink: #180e27;
  --muted: #625970;
  --line: #24163a;
  --border: 2px solid var(--line);
  --radius: 0;
  --shadow: 8px 8px 0 var(--line);
  --max: 1240px;
  --header-h: 82px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--pearl);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

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

button {
  font: inherit;
}

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

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--amber);
  border: 2px solid var(--ink);
  color: var(--ink);
  font-weight: 800;
  transform: translateY(-160%);
  transition: transform .2s ease;
}

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

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 4vw, 68px);
  color: var(--pearl);
  background: rgba(22, 11, 43, .96);
  background: color-mix(in srgb, var(--purple) 92%, transparent);
  border-bottom: 2px solid rgba(248, 243, 233, .25);
  backdrop-filter: blur(12px);
  transition: height .25s ease, background .25s ease;
}

.site-header.is-scrolled {
  height: 68px;
  background: rgba(22, 11, 43, .98);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  min-width: 0;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .02em;
}

.brand-mark {
  width: 36px;
  height: 36px;
  position: relative;
  flex: 0 0 auto;
  background: var(--amber);
  border: 2px solid var(--pearl);
}

.brand-mark i {
  position: absolute;
  display: block;
  width: 7px;
  background: var(--purple);
  bottom: 7px;
}

.brand-mark i:nth-child(1) { height: 8px; left: 6px; }
.brand-mark i:nth-child(2) { height: 14px; left: 14px; }
.brand-mark i:nth-child(3) { height: 20px; left: 22px; }

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.8vw, 44px);
  font-size: 14px;
  font-weight: 700;
}

.site-nav > a:not(.nav-cta) {
  position: relative;
  padding: 10px 0;
}

.site-nav > a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 5px;
  height: 2px;
  background: var(--amber);
  transition: right .2s ease;
}

.site-nav > a:not(.nav-cta):hover::after,
.site-nav > a:not(.nav-cta):focus-visible::after {
  right: 0;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  min-height: 44px;
  padding: 8px 16px;
  color: var(--ink);
  background: var(--amber);
  border: 2px solid var(--pearl);
  transition: transform .2s ease, box-shadow .2s ease;
}

.nav-cta:hover {
  transform: translate(-3px, -3px);
  box-shadow: 4px 4px 0 var(--pearl);
}

.menu-toggle {
  display: none;
}

.hero {
  min-height: 860px;
  height: min(950px, 100svh);
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(400px, .95fr);
  align-items: center;
  gap: clamp(28px, 5vw, 80px);
  padding: calc(var(--header-h) + 50px) max(6vw, calc((100vw - var(--max)) / 2)) 70px;
  color: var(--pearl);
  background: var(--purple);
  border-bottom: 2px solid var(--line);
}

.hero-grid {
  position: absolute;
  inset: var(--header-h) 0 0;
  opacity: .1;
  background-image:
    linear-gradient(rgba(255,255,255,.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.5) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, #000 0, transparent 58%);
}

.hero::before {
  content: "";
  position: absolute;
  width: 390px;
  height: 390px;
  top: 14%;
  right: -150px;
  border: 2px solid rgba(205,184,255,.26);
  border-radius: 50%;
}

.hero::after {
  content: "";
  position: absolute;
  width: 170px;
  height: 170px;
  left: 43%;
  bottom: -105px;
  background: var(--amber);
  transform: rotate(25deg);
}

.layer {
  --shift-x: 0px;
  --shift-y: 0px;
  transform: translate3d(var(--shift-x), var(--shift-y), 0);
  will-change: transform;
}

.hero-orbit {
  position: absolute;
  z-index: 1;
  width: 520px;
  height: 520px;
  top: 18%;
  right: 5%;
  border: 1px solid rgba(248,243,233,.18);
  border-radius: 50%;
  pointer-events: none;
}

.orbit-dot {
  position: absolute;
  top: 42px;
  left: 60px;
  width: 15px;
  height: 15px;
  background: var(--amber);
  border: 2px solid var(--purple);
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--amber);
}

.hero-copy {
  position: relative;
  z-index: 4;
  max-width: 700px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 22px;
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .16em;
}

.eyebrow {
  color: var(--amber-soft);
}

.eyebrow > span {
  width: 30px;
  height: 10px;
  background: var(--amber);
  border: 1px solid var(--pearl);
}

.hero h1 {
  margin: 0;
  font-size: clamp(68px, 8.3vw, 132px);
  line-height: .92;
  letter-spacing: -.08em;
  font-weight: 950;
}

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

.hero h1 em::after {
  content: "";
  position: absolute;
  height: 5px;
  left: .05em;
  right: -.05em;
  bottom: .04em;
  background: var(--pearl);
  transform: rotate(-2deg);
}

.hero-lead {
  max-width: 600px;
  margin: 34px 0 0;
  color: #d9d1e3;
  font-size: clamp(16px, 1.4vw, 19px);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 58px;
  padding: 12px 22px;
  border: 2px solid currentColor;
  font-weight: 900;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.button:hover {
  transform: translate(-4px, -4px);
}

.button-primary {
  min-width: 210px;
  color: var(--ink);
  background: var(--amber);
  border-color: var(--pearl);
}

.button-primary:hover {
  box-shadow: 6px 6px 0 var(--pearl);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  color: var(--pearl);
  font-weight: 800;
  border-bottom: 2px solid rgba(248,243,233,.45);
}

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

.hero-visual {
  position: relative;
  z-index: 3;
  width: min(100%, 510px);
  aspect-ratio: .93;
  justify-self: end;
}

.visual-card {
  border: 2px solid var(--line);
  color: var(--ink);
  background: var(--pearl);
  box-shadow: 10px 10px 0 var(--amber);
}

.visual-card-main {
  position: absolute;
  inset: 10% 2% 9% 6%;
  padding: clamp(22px, 3vw, 38px);
  transform: rotate(2.5deg);
}

.card-topline {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 20px;
  font-size: 13px;
  font-weight: 900;
  border-bottom: var(--border);
}

.status-dot::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 7px;
  background: #20a66a;
  border: 1px solid var(--ink);
  border-radius: 50%;
}

.pulse-chart {
  height: 64%;
  display: flex;
  align-items: end;
  gap: 5.5%;
  padding: 11% 3% 8%;
  border-bottom: var(--border);
  background-image: repeating-linear-gradient(to bottom, transparent 0, transparent 48px, rgba(22,11,43,.12) 49px, rgba(22,11,43,.12) 50px);
}

.pulse-chart span {
  width: 12%;
  height: var(--h);
  background: var(--purple-mid);
  border: 2px solid var(--line);
}

.pulse-chart span:nth-child(2n) {
  background: var(--amber);
}

.card-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  font-size: clamp(14px, 1.5vw, 18px);
}

.card-caption i {
  flex: 1;
  height: 2px;
  margin: 0 12px;
  background: var(--line);
}

.visual-card-tag {
  position: absolute;
  top: 1%;
  right: -3%;
  z-index: 2;
  padding: 12px 18px;
  background: var(--lilac);
  box-shadow: 5px 5px 0 var(--line);
  font-weight: 900;
  transform: rotate(-4deg);
}

.visual-disc {
  position: absolute;
  left: -5%;
  bottom: 0;
  z-index: 3;
  width: 94px;
  height: 94px;
  display: grid;
  place-items: center;
  background: var(--amber);
  border: 2px solid var(--line);
  border-radius: 50%;
  box-shadow: 6px 6px 0 var(--pearl);
}

.visual-disc span {
  width: 28px;
  height: 28px;
  background: var(--purple);
  border-radius: 50%;
}

.visual-corner {
  position: absolute;
  right: 1%;
  bottom: -5%;
  color: var(--lilac);
  font-size: 78px;
  font-weight: 200;
  line-height: 1;
}

.hero-index {
  position: absolute;
  z-index: 3;
  right: max(5vw, calc((100vw - var(--max)) / 2));
  bottom: 25px;
  display: flex;
  gap: 8px;
}

.hero-index span {
  padding: 4px 9px;
  color: #bfb3cd;
  border: 1px solid rgba(248,243,233,.25);
  font-size: 11px;
}

.section-wrap {
  width: min(var(--max), calc(100% - 48px));
  margin-inline: auto;
}

.statement {
  padding-block: clamp(88px, 11vw, 150px);
}

.section-kicker {
  color: var(--purple-mid);
  text-transform: uppercase;
}

.section-kicker::before {
  content: "";
  width: 10px;
  height: 10px;
  background: var(--amber);
  border: 1px solid var(--ink);
}

.section-kicker-light {
  color: var(--amber-soft);
}

.statement-layout {
  display: grid;
  grid-template-columns: 1.7fr .65fr;
  gap: clamp(50px, 9vw, 130px);
  align-items: end;
}

.statement h2,
.section-heading h2,
.approach h2,
.insights h2,
.principles h2,
.contact h2 {
  margin: 0;
  font-size: clamp(42px, 5.5vw, 78px);
  line-height: 1.12;
  letter-spacing: -.055em;
}

.statement h2 span {
  color: var(--purple-mid);
  background: linear-gradient(transparent 68%, var(--amber) 68%);
}

.statement-note {
  padding: 24px 0 3px 24px;
  border-left: 2px solid var(--line);
}

.statement-note p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.note-arrow {
  display: block;
  color: var(--purple-mid);
  font-size: 38px;
  line-height: 1;
}

.services {
  padding-block: 20px clamp(90px, 11vw, 150px);
}

.section-heading {
  display: grid;
  grid-template-columns: 1.4fr .55fr;
  gap: 60px;
  align-items: end;
  margin-bottom: 56px;
}

.section-heading > p {
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 17px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.service-card {
  min-height: 510px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: clamp(25px, 3vw, 38px);
  background: var(--paper);
  border: var(--border);
  transition: transform .22s ease, box-shadow .22s ease;
}

.service-card:hover {
  transform: translate(-6px, -6px);
  box-shadow: 9px 9px 0 var(--line);
}

.service-card-featured {
  color: var(--pearl);
  background: var(--purple-soft);
  box-shadow: 8px 8px 0 var(--amber);
}

.service-number {
  position: absolute;
  top: 17px;
  right: 22px;
  color: var(--purple-mid);
  font-size: 13px;
  font-weight: 900;
}

.service-card-featured .service-number {
  color: var(--amber-soft);
}

.service-icon {
  width: 104px;
  height: 104px;
  position: relative;
  margin: 22px 0 55px;
}

.icon-strategy span {
  position: absolute;
  border: 2px solid var(--pearl);
}

.icon-strategy span:nth-child(1) { inset: 0 22px 22px 0; background: var(--amber); }
.icon-strategy span:nth-child(2) { inset: 22px 0 0 22px; background: var(--purple-mid); }
.icon-strategy span:nth-child(3) { width: 26px; height: 26px; right: 0; top: 0; background: var(--lilac); }

.icon-content span:first-child {
  position: absolute;
  inset: 8px 0 0 8px;
  background: var(--lilac);
  border: var(--border);
}

.icon-content span:last-child {
  position: absolute;
  width: 62px;
  height: 62px;
  left: 0;
  bottom: 0;
  background: var(--amber);
  border: var(--border);
  border-radius: 50%;
}

.icon-operation {
  display: flex;
  align-items: end;
  gap: 8px;
}

.icon-operation span {
  width: 25px;
  background: var(--purple-mid);
  border: var(--border);
}

.icon-operation span:nth-child(1) { height: 43%; }
.icon-operation span:nth-child(2) { height: 72%; background: var(--amber); }
.icon-operation span:nth-child(3) { height: 100%; background: var(--lilac); }

.service-card h3 {
  margin: 0 0 16px;
  font-size: clamp(24px, 2.3vw, 32px);
  line-height: 1.2;
}

.service-card > p {
  margin: 0 0 30px;
  color: var(--muted);
}

.service-card-featured > p {
  color: #d9cfe5;
}

.service-card ul {
  display: grid;
  gap: 8px;
  margin: auto 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid rgba(24,14,39,.25);
  font-size: 13px;
  font-weight: 800;
}

.service-card-featured ul {
  border-color: rgba(248,243,233,.3);
}

.service-card li::before {
  content: "+";
  display: inline-block;
  width: 20px;
  color: var(--purple-mid);
  font-weight: 950;
}

.service-card-featured li::before {
  color: var(--amber);
}

.approach {
  overflow: hidden;
  color: var(--pearl);
  background: var(--purple);
  border-block: 2px solid var(--line);
}

.approach-marquee {
  overflow: hidden;
  padding: 13px 0;
  color: var(--ink);
  background: var(--amber);
  border-bottom: 2px solid var(--line);
  font-size: 15px;
  font-weight: 950;
  letter-spacing: .1em;
  white-space: nowrap;
}

.approach-marquee > div {
  width: max-content;
  animation: marquee 22s linear infinite;
}

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

.approach-inner {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: clamp(60px, 10vw, 150px);
  padding-block: clamp(90px, 11vw, 150px);
}

.approach-intro > p:not(.section-kicker) {
  max-width: 450px;
  margin-top: 27px;
  color: #c9bfd4;
  font-size: 17px;
}

.approach-shape {
  width: 210px;
  height: 150px;
  position: relative;
  margin-top: 55px;
}

.approach-shape span:first-child {
  position: absolute;
  inset: 0 60px 0 0;
  background: var(--amber);
  border: 2px solid var(--pearl);
}

.approach-shape span:last-child {
  position: absolute;
  width: 105px;
  height: 105px;
  right: 0;
  bottom: -20px;
  background: var(--purple-mid);
  border: 2px solid var(--lilac);
  border-radius: 50%;
}

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(248,243,233,.35);
}

.steps li {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 20px;
  padding: 27px 0;
  border-bottom: 1px solid rgba(248,243,233,.35);
  transition: padding-left .2s ease, background .2s ease;
}

.steps li:hover {
  padding-left: 14px;
  background: rgba(255,255,255,.04);
}

.step-number {
  color: var(--amber);
  font-size: 14px;
  font-weight: 900;
}

.steps h3 {
  margin: 0 0 7px;
  font-size: 23px;
}

.steps p {
  max-width: 560px;
  margin: 0;
  color: #beb4ca;
}

.insights {
  position: relative;
  padding-block: clamp(95px, 12vw, 160px);
}

.insights-heading {
  max-width: 950px;
}

.insights-heading h2 {
  font-size: clamp(40px, 5.2vw, 72px);
}

.insight-system {
  display: grid;
  grid-template-columns: 1fr 78px 1fr 78px 1fr;
  align-items: center;
  margin-top: 70px;
}

.insight-node {
  min-height: 255px;
  padding: 28px;
  border: var(--border);
  background: var(--paper);
  box-shadow: 7px 7px 0 var(--line);
}

.node-product {
  color: var(--pearl);
  background: var(--purple-mid);
  box-shadow: 7px 7px 0 var(--amber);
}

.node-operation {
  background: var(--amber-soft);
}

.node-label {
  display: inline-block;
  padding: 3px 8px;
  color: var(--pearl);
  background: var(--purple);
  font-size: 11px;
  font-weight: 900;
}

.node-product .node-label {
  color: var(--ink);
  background: var(--amber);
}

.insight-node h3 {
  margin: 44px 0 10px;
  font-size: clamp(25px, 2.5vw, 34px);
}

.insight-node p {
  margin: 0;
  color: var(--muted);
}

.node-product p {
  color: #e2d9ed;
}

.node-connector {
  height: 2px;
  position: relative;
  background: var(--line);
}

.node-connector span {
  width: 31px;
  height: 31px;
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  background: var(--pearl);
  border: var(--border);
  font-weight: 950;
  transform: translate(-50%, -50%);
}

.insight-result {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  margin-top: 50px;
}

.insight-result > span {
  font-size: 55px;
  font-weight: 200;
}

.insight-result p {
  margin: 0;
  color: var(--muted);
}

.insight-result strong {
  color: var(--purple-mid);
  font-size: 23px;
}

.principles {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 80px;
  padding-block: 30px clamp(100px, 12vw, 160px);
}

.principles-title-wrap {
  position: sticky;
  top: 110px;
  align-self: start;
}

.principle-list {
  border-top: var(--border);
}

.principle-list article {
  display: grid;
  grid-template-columns: 55px .8fr 1fr;
  gap: 25px;
  align-items: center;
  min-height: 150px;
  border-bottom: var(--border);
}

.principle-list article > span {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  background: var(--amber);
  border: 1px solid var(--ink);
  font-size: 11px;
  font-weight: 900;
}

.principle-list h3 {
  margin: 0;
  font-size: 22px;
}

.principle-list p {
  margin: 0;
  color: var(--muted);
}

.contact {
  min-height: 480px;
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.4fr .6fr;
  gap: 70px;
  align-items: end;
  margin-bottom: 48px;
  padding: clamp(55px, 7vw, 88px);
  color: var(--pearl);
  background: var(--purple-mid);
  border: var(--border);
  box-shadow: 10px 10px 0 var(--amber);
}

.contact::before {
  content: "";
  position: absolute;
  width: 340px;
  height: 340px;
  top: -230px;
  right: 24%;
  border: 2px solid rgba(248,243,233,.32);
  border-radius: 50%;
}

.contact-copy,
.contact-action {
  position: relative;
  z-index: 2;
}

.contact h2 {
  font-size: clamp(45px, 5.5vw, 75px);
}

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

.contact-copy > p:last-child {
  max-width: 600px;
  margin: 26px 0 0;
  color: #d7cfe1;
  font-size: 17px;
}

.contact-action {
  justify-self: end;
  width: min(100%, 310px);
}

.button-amber {
  width: 100%;
  color: var(--ink);
  background: var(--amber);
  border-color: var(--pearl);
}

.button-amber:hover {
  box-shadow: 6px 6px 0 var(--pearl);
}

.button-amber b {
  font-size: 22px;
}

.copy-status {
  min-height: 24px;
  margin: 10px 0 0;
  color: var(--amber-soft);
  font-size: 13px;
  font-weight: 800;
}

.company-name {
  margin: 7px 0 0;
  color: #c5b9d0;
  font-size: 12px;
}

.contact-spark {
  position: absolute;
  color: var(--amber);
  line-height: 1;
}

.spark-one { top: 54px; right: 62px; font-size: 52px; }
.spark-two { left: 49%; bottom: 46px; font-size: 28px; color: var(--lilac); }

.back-top {
  width: 48px;
  height: 48px;
  position: fixed;
  z-index: 70;
  right: 22px;
  bottom: 22px;
  display: grid;
  place-items: center;
  color: var(--ink);
  background: var(--amber);
  border: var(--border);
  box-shadow: 4px 4px 0 var(--line);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity .2s ease, visibility .2s ease, transform .2s ease;
}

.back-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .hero {
    grid-template-columns: 1.05fr .75fr;
  }

  .hero h1 {
    font-size: clamp(64px, 9vw, 98px);
  }

  .hero-visual {
    width: 440px;
    max-width: 100%;
  }

  .service-card {
    min-height: 485px;
  }

  .insight-system {
    grid-template-columns: 1fr 48px 1fr 48px 1fr;
  }
}

@media (max-width: 860px) {
  :root { --header-h: 70px; }

  .site-header {
    padding-inline: 20px;
  }

  .brand-name {
    max-width: 230px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .menu-toggle {
    min-width: 76px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 8px 10px;
    color: var(--pearl);
    background: transparent;
    border: 1px solid rgba(248,243,233,.55);
    cursor: pointer;
  }

  .menu-toggle-icon {
    width: 18px;
    height: 16px;
    position: relative;
  }

  .menu-toggle-icon i {
    position: absolute;
    left: 0;
    width: 18px;
    height: 2px;
    background: var(--amber);
    transition: transform .2s ease, top .2s ease;
  }

  .menu-toggle-icon i:first-child { top: 4px; }
  .menu-toggle-icon i:last-child { top: 11px; }

  .menu-toggle[aria-expanded="true"] .menu-toggle-icon i:first-child { top: 8px; transform: rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-toggle-icon i:last-child { top: 8px; transform: rotate(-45deg); }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    min-height: calc(100svh - var(--header-h));
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 24px;
    color: var(--pearl);
    background: var(--purple);
    border-top: 1px solid rgba(248,243,233,.25);
    transform: translateX(100%);
    visibility: hidden;
    transition: transform .25s ease, visibility .25s ease;
  }

  .site-nav.is-open {
    transform: translateX(0);
    visibility: visible;
  }

  .site-nav > a:not(.nav-cta) {
    padding: 19px 5px;
    border-bottom: 1px solid rgba(248,243,233,.25);
    font-size: 22px;
  }

  .nav-cta {
    margin-top: 26px;
    justify-content: space-between;
    font-size: 17px;
  }

  .hero {
    height: auto;
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 55px;
    padding: calc(var(--header-h) + 65px) 24px 75px;
  }

  .hero-copy,
  .hero-visual {
    justify-self: auto;
  }

  .hero-visual {
    width: min(560px, 94%);
    margin-inline: auto;
  }

  .hero-orbit {
    top: auto;
    bottom: 5%;
    right: -22%;
  }

  .hero-index {
    display: none;
  }

  .statement-layout,
  .section-heading,
  .approach-inner,
  .principles,
  .contact {
    grid-template-columns: 1fr;
  }

  .statement-layout,
  .section-heading {
    gap: 34px;
  }

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

  .service-card:last-child {
    grid-column: 1 / -1;
    min-height: 420px;
  }

  .approach-inner {
    gap: 75px;
  }

  .insight-system {
    grid-template-columns: 1fr;
    margin-top: 52px;
  }

  .node-connector {
    width: 2px;
    height: 58px;
    margin-inline: auto;
  }

  .insight-node {
    min-height: 220px;
  }

  .principles {
    gap: 50px;
  }

  .principles-title-wrap {
    position: static;
  }

  .contact {
    gap: 48px;
    align-items: start;
  }

  .contact-action {
    justify-self: start;
  }
}

@media (max-width: 560px) {
  .section-wrap {
    width: min(calc(100% - 30px), var(--max));
  }

  .brand-name {
    max-width: 175px;
    font-size: 12px;
  }

  .brand-mark {
    width: 31px;
    height: 31px;
  }

  .brand-mark i { bottom: 5px; }
  .brand-mark i:nth-child(1) { left: 5px; }
  .brand-mark i:nth-child(2) { left: 12px; }
  .brand-mark i:nth-child(3) { left: 19px; }

  .menu-toggle-text {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .menu-toggle {
    min-width: 44px;
    justify-content: center;
  }

  .hero {
    padding-inline: 18px;
    padding-top: calc(var(--header-h) + 48px);
    gap: 48px;
  }

  .hero h1 {
    font-size: clamp(55px, 17.5vw, 78px);
    letter-spacing: -.075em;
  }

  .hero-lead {
    margin-top: 28px;
    font-size: 15px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 17px;
    margin-top: 30px;
  }

  .button-primary {
    width: 100%;
  }

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

  .hero-visual {
    width: 100%;
    aspect-ratio: .98;
  }

  .visual-card-main {
    inset: 8% 3% 10%;
    padding: 20px;
  }

  .visual-card-tag {
    right: 0;
    font-size: 12px;
  }

  .visual-disc {
    left: -1%;
    width: 70px;
    height: 70px;
  }

  .visual-disc span {
    width: 21px;
    height: 21px;
  }

  .card-topline {
    font-size: 11px;
  }

  .card-caption {
    padding-top: 17px;
    font-size: 13px;
  }

  .hero::after {
    left: 65%;
  }

  .statement,
  .insights {
    padding-block: 82px;
  }

  .statement h2,
  .section-heading h2,
  .approach h2,
  .insights h2,
  .principles h2,
  .contact h2 {
    font-size: clamp(36px, 11vw, 50px);
  }

  .statement-note {
    padding-left: 18px;
  }

  .services {
    padding-bottom: 90px;
  }

  .section-heading {
    margin-bottom: 38px;
  }

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

  .service-card,
  .service-card:last-child {
    min-height: 470px;
    grid-column: auto;
  }

  .service-card:hover {
    transform: none;
  }

  .approach-inner {
    padding-block: 80px;
  }

  .approach-shape {
    width: 170px;
    height: 120px;
  }

  .steps li {
    grid-template-columns: 46px 1fr;
    gap: 12px;
  }

  .insight-result {
    align-items: flex-start;
    gap: 16px;
  }

  .insight-result > span {
    font-size: 40px;
  }

  .principles {
    padding-bottom: 100px;
  }

  .principle-list article {
    grid-template-columns: 48px 1fr;
    gap: 15px;
    padding-block: 25px;
  }

  .principle-list p {
    grid-column: 2;
  }

  .contact {
    width: calc(100% - 30px);
    min-height: 560px;
    padding: 45px 24px;
    margin-bottom: 30px;
    box-shadow: 7px 7px 0 var(--amber);
  }

  .contact-action {
    width: 100%;
  }

  .back-top {
    right: 16px;
    bottom: 16px;
  }
}

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

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

  .layer {
    transform: none !important;
  }
}

@media (forced-colors: active) {
  .button,
  .service-card,
  .insight-node,
  .contact,
  .nav-cta {
    border: 2px solid ButtonText;
  }
}