:root {
  --ink: #1b1c21;
  --ink-soft: #272930;
  --paper: #f3f1ec;
  --surface: #faf9f6;
  --line: #d9d6cf;
  --muted: #666871;
  --lavender: #c9c2e7;
  --lavender-deep: #8d80c4;
  --coral: #ff705f;
  --coral-dark: #d84f43;
  --white: #ffffff;
  --radius: 22px;
  --radius-sm: 15px;
  --shadow: 0 14px 35px rgba(27, 28, 33, 0.07);
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", "Noto Sans Mono CJK SC", monospace;
  --sans: Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    linear-gradient(rgba(27, 28, 33, 0.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 28, 33, 0.026) 1px, transparent 1px),
    var(--paper);
  background-size: 42px 42px;
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

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

button,
select {
  cursor: pointer;
}

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

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

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

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 16px;
  padding: 10px 16px;
  border-radius: 10px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-150%);
  transition: transform 160ms ease;
}

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

.section-shell {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.panel {
  border: 1px solid rgba(27, 28, 33, 0.1);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.panel-dark {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.08);
  background: var(--ink);
}

.panel-lavender {
  background: var(--lavender);
}

.panel-coral {
  background: var(--coral);
}

.mono-label,
.section-kicker,
.service-index,
.process-no,
.tag {
  font-family: var(--mono);
  letter-spacing: 0.04em;
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  border-bottom: 1px solid transparent;
  transition: background-color 180ms ease, border-color 180ms ease, backdrop-filter 180ms ease;
}

.site-header.is-scrolled {
  border-color: rgba(27, 28, 33, 0.1);
  background: rgba(243, 241, 236, 0.88);
  box-shadow: 0 6px 22px rgba(27, 28, 33, 0.04);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  width: min(1180px, calc(100% - 40px));
  min-height: 76px;
  margin-inline: auto;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 11px;
}

.brand-mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 12px;
  color: var(--white);
  background: var(--ink);
}

.brand-mark svg {
  width: 30px;
  height: 30px;
  fill: currentColor;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-size: 15px;
  letter-spacing: 0.05em;
}

.brand-copy span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a {
  position: relative;
  padding-block: 12px;
  color: #43454c;
  font-size: 14px;
  font-weight: 650;
}

.site-nav a:not(.nav-cta)::after {
  position: absolute;
  right: 0;
  bottom: 6px;
  left: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--coral);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a[aria-current="true"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-nav .nav-cta {
  display: inline-flex;
  padding: 11px 16px;
  align-items: center;
  gap: 9px;
  border-radius: 12px;
  color: var(--white);
  background: var(--ink);
  transition: transform 160ms ease, background-color 160ms ease;
}

.site-nav .nav-cta:hover {
  background: var(--ink-soft);
  transform: translateY(-2px);
}

.menu-toggle {
  display: none;
  min-height: 44px;
  padding: 0 14px;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--ink);
  background: var(--surface);
  font-weight: 700;
}

.menu-icon {
  display: grid;
  width: 18px;
  gap: 5px;
}

.menu-icon i {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 160ms ease;
}

.menu-toggle[aria-expanded="true"] .menu-icon i:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-icon i:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

.hero {
  padding-top: 110px;
}

.hero-grid {
  display: grid;
  min-height: 680px;
  grid-template-columns: minmax(0, 1.25fr) minmax(350px, 0.9fr);
  grid-template-rows: minmax(410px, 1fr) 210px;
  gap: 14px;
}

.hero-main {
  display: flex;
  min-height: 0;
  padding: clamp(32px, 5vw, 64px);
  flex-direction: column;
  grid-row: 1 / 3;
  overflow: hidden;
  background:
    radial-gradient(circle at 90% 10%, rgba(201, 194, 231, 0.13), transparent 28%),
    linear-gradient(145deg, #1b1c21, #22232a);
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #595b63;
  font-size: 12px;
  font-weight: 700;
}

.section-kicker span {
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--coral);
}

.section-kicker.light {
  color: #b7b8c0;
}

.hero h1 {
  max-width: 700px;
  margin: auto 0 22px;
  font-size: clamp(45px, 5.8vw, 78px);
  font-weight: 760;
  letter-spacing: -0.075em;
  line-height: 1.08;
}

h1 em,
h2 em {
  color: var(--coral);
  font-style: normal;
}

.hero-main > p {
  max-width: 590px;
  margin: 0;
  color: #c6c7cd;
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  margin-top: 30px;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  padding: 0 20px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 0;
  border-radius: 13px;
  font-weight: 750;
  transition: transform 160ms ease, background-color 160ms ease, box-shadow 160ms ease;
}

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

.button-primary {
  color: var(--ink);
  background: var(--coral);
  box-shadow: 0 8px 24px rgba(255, 112, 95, 0.22);
}

.button-primary:hover {
  background: #ff8274;
}

.button-ghost {
  color: var(--white);
  border: 1px solid #44464f;
  background: transparent;
}

.button-ghost:hover {
  background: rgba(255, 255, 255, 0.06);
}

.hero-meta {
  display: grid;
  margin-top: 42px;
  padding-top: 24px;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  border-top: 1px solid #383a42;
}

.hero-meta div {
  display: grid;
  gap: 7px;
}

.hero-meta span {
  color: #8b8d97;
  font-family: var(--mono);
  font-size: 11px;
}

.hero-meta strong {
  font-size: 14px;
  font-weight: 650;
}

.hero-visual {
  min-height: 0;
  padding: 25px 26px 20px;
  overflow: hidden;
}

.visual-topline,
.result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.mono-label {
  color: #676972;
  font-size: 11px;
  font-weight: 700;
}

.signal {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #5a5c64;
  font-size: 12px;
  font-weight: 650;
}

.signal i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 4px rgba(255, 112, 95, 0.14);
}

.orbit-graphic {
  position: relative;
  height: 275px;
  margin-top: 6px;
}

.orbit-graphic svg {
  width: 100%;
  height: 100%;
}

.route {
  fill: none;
  stroke-width: 3;
  stroke-linecap: round;
}

.route-muted {
  stroke: #d8d5ce;
  stroke-dasharray: 5 9;
}

.route-active {
  stroke: url(#routeGradient);
  stroke-dasharray: 70 30;
}

.node-ring {
  fill: var(--surface);
  stroke: #c8c4bc;
  stroke-width: 2;
}

.node-fill.lavender {
  fill: var(--lavender-deep);
}

.node-fill.coral {
  fill: var(--coral);
}

.route-label {
  position: absolute;
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: rgba(250, 249, 246, 0.9);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  box-shadow: 0 5px 13px rgba(27, 28, 33, 0.06);
}

.label-one { left: 1%; bottom: 7%; }
.label-two { left: 31%; top: 5%; }
.label-three { right: 30%; bottom: 10%; }
.label-four { top: 13%; right: 0; }

.visual-summary {
  display: flex;
  margin-top: -2px;
  padding-top: 15px;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--line);
}

.visual-summary strong {
  font-family: var(--mono);
  font-size: 18px;
}

.visual-summary span {
  color: var(--muted);
  font-size: 12px;
}

.hero-note,
.hero-card {
  display: flex;
  min-height: 0;
  padding: 24px;
}

.hero-note {
  align-items: flex-start;
  gap: 18px;
}

.note-icon {
  display: grid;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--ink);
}

.hero-note p {
  margin: 18px 0 0;
  font-size: 16px;
  font-weight: 650;
  line-height: 1.6;
}

.hero-card {
  flex-direction: column;
  justify-content: space-between;
}

.hero-card .mono-label {
  color: rgba(27, 28, 33, 0.64);
}

.hero-card strong {
  margin-top: 15px;
  font-size: 24px;
  letter-spacing: -0.04em;
}

.hero-card a {
  display: flex;
  margin-top: auto;
  padding-top: 20px;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 750;
}

.services,
.scenarios,
.about,
.contact {
  padding-top: 132px;
}

.section-heading {
  display: grid;
  margin-bottom: 46px;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
  align-items: end;
  gap: 50px;
}

.section-heading h2,
.approach h2,
.about h2,
.contact h2 {
  margin: 16px 0 0;
  font-size: clamp(36px, 4.7vw, 60px);
  letter-spacing: -0.065em;
  line-height: 1.12;
}

.section-heading > p {
  margin: 0 0 7px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.service-card {
  position: relative;
  min-height: 370px;
  padding: 25px;
  overflow: hidden;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.service-card:hover {
  border-color: rgba(27, 28, 33, 0.2);
  box-shadow: 0 18px 40px rgba(27, 28, 33, 0.1);
  transform: translateY(-3px);
}

.featured-service {
  background: #eeecf7;
}

.service-index {
  color: #888990;
  font-size: 11px;
}

.service-icon {
  position: relative;
  width: 76px;
  height: 76px;
  margin: 35px 0 30px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #efede8;
}

.icon-product i {
  position: absolute;
  border: 2px solid var(--ink);
  border-radius: 4px;
}

.icon-product i:nth-child(1) { inset: 15px 13px 35px 13px; background: var(--lavender); }
.icon-product i:nth-child(2) { inset: 35px 36px 14px 13px; background: var(--coral); }
.icon-product i:nth-child(3) { inset: 35px 13px 14px 44px; }

.icon-system {
  display: grid;
  padding: 15px;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.icon-system i {
  border: 2px solid var(--ink);
  border-radius: 50%;
}

.icon-system i:nth-child(2),
.icon-system i:nth-child(3) {
  background: var(--lavender);
}

.icon-data i {
  position: absolute;
  bottom: 14px;
  width: 11px;
  border: 2px solid var(--ink);
  border-radius: 5px 5px 2px 2px;
  background: var(--coral);
}

.icon-data i:nth-child(1) { left: 16px; height: 20px; }
.icon-data i:nth-child(2) { left: 32px; height: 35px; background: var(--lavender); }
.icon-data i:nth-child(3) { left: 48px; height: 47px; background: transparent; }

.icon-consult i {
  position: absolute;
  border-radius: 50%;
}

.icon-consult i:nth-child(1) { width: 42px; height: 42px; top: 15px; left: 15px; border: 2px solid var(--ink); }
.icon-consult i:nth-child(2) { width: 14px; height: 14px; top: 9px; right: 8px; background: var(--coral); }
.icon-consult i:nth-child(3) { width: 8px; height: 8px; bottom: 9px; left: 12px; background: var(--lavender-deep); }

.service-card h3 {
  margin: 0;
  font-size: 20px;
  letter-spacing: -0.03em;
}

.service-card p {
  margin: 13px 0 24px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.service-card ul {
  display: flex;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
  gap: 7px;
  list-style: none;
}

.service-card li,
.tag {
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: #5f6169;
  background: rgba(255, 255, 255, 0.45);
  font-size: 10px;
}

.approach {
  width: 100%;
  margin-top: 132px;
}

.approach-panel {
  display: grid;
  padding: clamp(34px, 5.5vw, 70px);
  grid-template-columns: minmax(260px, 0.75fr) minmax(420px, 1.25fr);
  gap: clamp(50px, 8vw, 115px);
  background:
    radial-gradient(circle at 15% 110%, rgba(201, 194, 231, 0.12), transparent 30%),
    var(--ink);
}

.approach-copy > p {
  max-width: 390px;
  margin: 24px 0 0;
  color: #aeb0b8;
  line-height: 1.8;
}

.text-link {
  display: inline-flex;
  margin-top: 32px;
  padding-bottom: 6px;
  gap: 14px;
  border-bottom: 1px solid #686a72;
  color: var(--white);
  font-weight: 700;
}

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

.process-list li {
  display: grid;
  padding: 25px 0;
  grid-template-columns: 48px 1fr 32px;
  align-items: center;
  gap: 15px;
  border-bottom: 1px solid #383a42;
}

.process-list li:first-child {
  border-top: 1px solid #383a42;
}

.process-no {
  color: var(--coral);
  font-size: 11px;
}

.process-list h3 {
  margin: 0 0 6px;
  font-size: 18px;
}

.process-list p {
  margin: 0;
  color: #989aa4;
  font-size: 13px;
  line-height: 1.6;
}

.process-mark {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid #4a4c54;
  border-radius: 50%;
  color: var(--lavender);
  transition: color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.process-list li:hover .process-mark {
  color: var(--coral);
  border-color: var(--coral);
  transform: rotate(8deg);
}

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

.scenario-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  grid-template-rows: repeat(2, 310px);
  gap: 14px;
}

.scenario-card {
  display: flex;
  padding: 28px;
  overflow: hidden;
}

.scenario-wide {
  flex-direction: column;
  grid-row: 1 / 3;
}

.scenario-copy {
  position: relative;
  z-index: 2;
}

.scenario-copy h3 {
  margin: 17px 0 11px;
  font-size: 26px;
  letter-spacing: -0.045em;
}

.scenario-copy p {
  max-width: 500px;
  margin: 0;
  color: #55575f;
  font-size: 14px;
  line-height: 1.75;
}

.scenario-card.panel-coral .tag,
.scenario-card.panel-lavender .tag {
  border-color: rgba(27, 28, 33, 0.18);
  background: rgba(255, 255, 255, 0.25);
}

.dashboard-visual {
  width: 88%;
  height: 330px;
  margin: auto auto -68px;
  overflow: hidden;
  border: 1px solid #cfcbc3;
  border-radius: 17px 17px 0 0;
  background: #efede7;
  box-shadow: 0 20px 35px rgba(27, 28, 33, 0.1);
  transform: rotate(-2deg);
  transform-origin: bottom center;
  transition: transform 220ms ease;
}

.scenario-wide:hover .dashboard-visual {
  transform: rotate(0);
}

.dash-head {
  display: flex;
  height: 34px;
  padding: 0 12px;
  align-items: center;
  gap: 5px;
  border-bottom: 1px solid #d8d4cc;
  background: #faf9f6;
}

.dash-head i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #bbb8b2;
}

.dash-head i:first-child {
  background: var(--coral);
}

.dash-head span {
  width: 42%;
  height: 7px;
  margin-left: auto;
  border-radius: 5px;
  background: #e3e0da;
}

.dash-body {
  display: grid;
  height: calc(100% - 34px);
  grid-template-columns: 21% 1fr;
}

.dash-side {
  display: grid;
  padding: 20px 13px;
  align-content: start;
  gap: 14px;
  background: #25262c;
}

.dash-side i {
  width: 75%;
  height: 6px;
  border-radius: 5px;
  background: #4d4f58;
}

.dash-side i:first-child {
  width: 90%;
  background: var(--lavender);
}

.dash-content {
  padding: 30px;
}

.dash-bars {
  display: flex;
  height: 130px;
  padding: 18px 20px 0;
  align-items: end;
  justify-content: space-between;
  border-radius: 10px;
  background: var(--white);
}

.dash-bars i {
  width: 11%;
  border-radius: 5px 5px 0 0;
  background: var(--lavender);
}

.dash-bars i:nth-child(1) { height: 35%; }
.dash-bars i:nth-child(2) { height: 57%; }
.dash-bars i:nth-child(3) { height: 42%; }
.dash-bars i:nth-child(4) { height: 80%; background: var(--coral); }
.dash-bars i:nth-child(5) { height: 67%; }

.dash-stats {
  display: grid;
  margin-top: 15px;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
}

.dash-stats i {
  height: 60px;
  border-radius: 9px;
  background: var(--white);
}

.mini-chart {
  display: flex;
  width: 42%;
  min-width: 150px;
  height: 160px;
  margin: auto 24px auto 0;
  padding: 16px;
  align-items: end;
  gap: 8px;
  border: 1px solid rgba(27, 28, 33, 0.16);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.24);
}

.mini-chart span {
  width: 20%;
  height: var(--h);
  border-radius: 5px 5px 2px 2px;
  background: var(--ink);
}

.mini-chart span:nth-child(4) {
  background: var(--coral);
}

.scenario-card:not(.scenario-wide) {
  align-items: center;
}

.scenario-card:not(.scenario-wide) .scenario-copy {
  flex: 1;
}

.conversation-visual {
  position: relative;
  width: 42%;
  min-width: 150px;
  height: 160px;
  margin-right: 22px;
}

.bubble {
  position: absolute;
  display: block;
  width: 102px;
  height: 63px;
  border: 2px solid var(--ink);
  border-radius: 18px 18px 18px 5px;
  background: rgba(255, 255, 255, 0.38);
}

.bubble::before,
.bubble::after {
  position: absolute;
  left: 17px;
  height: 4px;
  border-radius: 4px;
  background: var(--ink);
  content: "";
}

.bubble::before { top: 20px; width: 64px; }
.bubble::after { top: 33px; width: 40px; opacity: 0.35; }
.bubble-one { top: 10px; left: 3px; }
.bubble-two { right: 2px; bottom: 9px; border-radius: 18px 18px 5px 18px; background: var(--lavender); }

.spark {
  position: absolute;
  top: 6px;
  right: 7px;
  font-style: normal;
  font-size: 25px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.18fr 0.82fr 0.82fr;
  grid-template-rows: repeat(2, minmax(215px, auto));
  gap: 14px;
}

.about-intro {
  padding: clamp(32px, 4vw, 52px);
  grid-row: 1 / 3;
}

.about-intro p {
  max-width: 550px;
  margin: 34px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.principle {
  display: flex;
  padding: 28px;
  flex-direction: column;
  justify-content: space-between;
}

.principle-wide {
  grid-column: 2 / 4;
  flex-direction: row;
  align-items: center;
  gap: 30px;
}

.principle-symbol {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 12px;
  color: var(--ink);
  background: var(--lavender);
  font-family: var(--mono);
  font-size: 20px;
}

.coral-symbol {
  background: var(--coral);
}

.dark-symbol {
  flex: 0 0 auto;
  color: var(--white);
  background: var(--ink);
}

.principle h3 {
  margin: 10px 0 8px;
  font-size: 19px;
  letter-spacing: -0.025em;
}

.principle p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.contact {
  padding-bottom: 70px;
}

.contact-panel {
  position: relative;
  display: grid;
  padding: clamp(30px, 5vw, 62px);
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(45px, 8vw, 100px);
  overflow: hidden;
  background:
    radial-gradient(circle at 2% 95%, rgba(201, 194, 231, 0.35), transparent 28%),
    var(--surface);
}

.contact h2 {
  font-size: clamp(38px, 4.5vw, 56px);
}

.contact-copy > p {
  margin: 25px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.privacy-note {
  display: flex;
  margin-top: 32px;
  padding-top: 22px;
  align-items: flex-start;
  gap: 10px;
  border-top: 1px solid var(--line);
  color: #6d6f77;
}

.privacy-note p {
  margin: 0;
  font-size: 12px;
  line-height: 1.65;
}

.brief-form {
  display: grid;
  align-content: start;
  gap: 17px;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.brief-form label {
  display: grid;
  gap: 8px;
  color: #44464d;
  font-size: 13px;
  font-weight: 700;
}

.brief-form input,
.brief-form select,
.brief-form textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid #cecac2;
  border-radius: 11px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.8);
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.brief-form textarea {
  min-height: 118px;
  resize: vertical;
  line-height: 1.6;
}

.brief-form input::placeholder,
.brief-form textarea::placeholder {
  color: #9a9893;
}

.brief-form input:focus,
.brief-form select:focus,
.brief-form textarea:focus {
  border-color: var(--lavender-deep);
  outline: none;
  box-shadow: 0 0 0 3px rgba(141, 128, 196, 0.14);
}

.button-dark {
  width: 100%;
  margin-top: 4px;
  color: var(--white);
  background: var(--ink);
}

.button-dark:hover {
  background: #303139;
}

.brief-result {
  min-height: 100%;
  padding: 27px;
  border: 1px solid #cac5bb;
  border-radius: 16px;
  background: #eeecf7;
}

.result-head h3 {
  margin: 6px 0 0;
  font-size: 20px;
}

.copy-button {
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--ink);
  border-radius: 9px;
  color: var(--ink);
  background: transparent;
  font-size: 12px;
  font-weight: 700;
}

.brief-result > p {
  min-height: 150px;
  margin: 28px 0;
  padding: 20px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.5);
  white-space: pre-line;
  line-height: 1.9;
}

.text-button {
  padding: 0 0 4px;
  border: 0;
  border-bottom: 1px solid currentColor;
  color: #595b63;
  background: transparent;
  font-size: 13px;
  font-weight: 700;
}

.form-status {
  position: absolute;
  right: 22px;
  bottom: 16px;
  margin: 0;
  color: #55575f;
  font-size: 12px;
}

.back-to-top {
  position: fixed;
  z-index: 90;
  right: 24px;
  bottom: 24px;
  display: grid;
  width: 46px;
  height: 46px;
  padding: 0;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 50%;
  color: var(--white);
  background: var(--ink);
  box-shadow: 0 8px 24px rgba(27, 28, 33, 0.2);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

@media (max-width: 1040px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-card {
    min-height: 335px;
  }

  .scenario-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 520px 340px;
  }

  .scenario-wide {
    grid-column: 1 / 3;
    grid-row: auto;
  }

  .scenario-card:not(.scenario-wide) {
    flex-direction: column-reverse;
    align-items: flex-start;
  }

  .mini-chart,
  .conversation-visual {
    width: 100%;
    height: 125px;
    margin: 20px 0 0;
  }
}

@media (max-width: 860px) {
  .header-inner {
    position: relative;
    min-height: 68px;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 62px;
    right: 0;
    left: 0;
    display: grid;
    padding: 12px;
    gap: 2px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--surface);
    box-shadow: var(--shadow);
  }

  .js .site-nav {
    visibility: hidden;
    opacity: 0;
    transform: translateY(-7px);
    pointer-events: none;
    transition: opacity 150ms ease, transform 150ms ease, visibility 150ms ease;
  }

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

  .site-nav a {
    padding: 13px 14px;
  }

  .site-nav a:not(.nav-cta)::after {
    display: none;
  }

  .site-nav .nav-cta {
    margin-top: 5px;
    justify-content: space-between;
  }

  .hero {
    padding-top: 94px;
  }

  .hero-grid {
    min-height: auto;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto auto;
  }

  .hero-main {
    min-height: 610px;
    grid-column: 1 / 3;
    grid-row: auto;
  }

  .hero-visual {
    min-height: 400px;
    grid-column: 1 / 3;
  }

  .hero-note,
  .hero-card {
    min-height: 190px;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .section-heading > p {
    max-width: 620px;
  }

  .approach-panel {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto auto;
  }

  .about-intro {
    grid-column: 1 / 3;
    grid-row: auto;
  }

  .principle-wide {
    grid-column: 1 / 3;
  }

  .contact-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  :root {
    --radius: 18px;
  }

  html {
    scroll-padding-top: 78px;
  }

  .section-shell,
  .header-inner {
    width: min(100% - 24px, 1180px);
  }

  .brand-copy span {
    display: none;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .hero {
    padding-top: 80px;
  }

  .hero-grid {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero-main,
  .hero-visual,
  .hero-note,
  .hero-card {
    grid-column: auto;
  }

  .hero-main {
    min-height: 590px;
    padding: 28px 22px;
  }

  .hero h1 {
    font-size: clamp(42px, 13vw, 58px);
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .hero-meta {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .hero-meta div {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .hero-visual {
    min-height: 380px;
    padding-inline: 18px;
  }

  .orbit-graphic {
    height: 250px;
  }

  .hero-note,
  .hero-card {
    min-height: 175px;
  }

  .services,
  .scenarios,
  .about,
  .contact {
    padding-top: 92px;
  }

  .section-heading {
    margin-bottom: 30px;
  }

  .section-heading h2,
  .approach h2,
  .about h2,
  .contact h2 {
    font-size: clamp(34px, 10.5vw, 47px);
  }

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

  .service-card {
    min-height: auto;
  }

  .service-icon {
    margin-block: 28px 24px;
  }

  .approach {
    margin-top: 92px;
  }

  .approach-panel {
    padding: 34px 22px;
    gap: 44px;
  }

  .process-list li {
    grid-template-columns: 38px 1fr;
  }

  .process-mark {
    display: none;
  }

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

  .scenario-wide {
    min-height: 510px;
    grid-column: auto;
  }

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

  .dashboard-visual {
    width: 112%;
    height: 260px;
    margin-bottom: -50px;
  }

  .dash-content {
    padding: 18px;
  }

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

  .about-intro,
  .principle-wide {
    grid-column: auto;
  }

  .about-intro {
    padding: 32px 24px;
  }

  .principle {
    min-height: 215px;
  }

  .principle-wide {
    flex-direction: column;
    align-items: flex-start;
  }

  .contact {
    padding-bottom: 48px;
  }

  .contact-panel {
    padding: 31px 20px 42px;
    gap: 42px;
  }

  .field-row {
    grid-template-columns: 1fr;
  }

  .result-head {
    align-items: flex-start;
  }

  .back-to-top {
    right: 14px;
    bottom: 14px;
  }
}

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

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

@media (forced-colors: active) {
  .panel,
  .service-card li,
  .tag,
  .brief-form input,
  .brief-form select,
  .brief-form textarea {
    border: 1px solid CanvasText;
  }
}