:root {
  --ink: #101113;
  --ink-soft: #202326;
  --paper: #f4f5f2;
  --paper-strong: #ffffff;
  --paper-cool: #e9edf0;
  --line: #d9d9d5;
  --line-dark: #3a3d40;
  --steel: #596775;
  --muted: #73777b;
  --red: #c82020;
  --red-dark: #9f1717;
  --red-soft: #f2dada;
  --shadow: 0 26px 70px rgb(16 17 19 / 14%);
  --radius: 6px;
  --container: min(1180px, calc(100vw - 48px));
}

@supports (color: oklch(60% 0.1 20)) {
  :root {
    --ink: oklch(16% 0.01 250);
    --ink-soft: oklch(24% 0.012 250);
    --paper: oklch(96% 0.008 130);
    --paper-strong: oklch(99% 0.004 120);
    --paper-cool: oklch(92% 0.014 220);
    --line: oklch(86% 0.008 110);
    --line-dark: oklch(34% 0.012 250);
    --steel: oklch(52% 0.055 230);
    --muted: oklch(53% 0.014 250);
    --red: oklch(55% 0.19 28);
    --red-dark: oklch(43% 0.16 28);
    --red-soft: oklch(91% 0.045 28);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family:
    "PingFang SC",
    "Noto Sans SC",
    "Microsoft YaHei",
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    sans-serif;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
  letter-spacing: 0;
}

button {
  border: 0;
  cursor: pointer;
}

::selection {
  color: #fff;
  background: var(--red);
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 50;
  display: grid;
  width: 100%;
  height: 74px;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 28px;
  padding-inline: max(24px, calc((100vw - 1180px) / 2));
  color: #fff;
  background: rgb(16 17 19 / 90%);
  border-bottom: 1px solid rgb(255 255 255 / 10%);
  backdrop-filter: blur(18px);
  transition:
    background 180ms ease,
    border-color 180ms ease;
}

.site-header.is-scrolled {
  background: rgb(16 17 19 / 96%);
  border-color: rgb(255 255 255 / 16%);
}

.brand-lockup {
  display: inline-grid;
  grid-template-columns: 42px auto;
  align-items: center;
  gap: 12px;
  min-width: 210px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: #fff;
  font-weight: 800;
  background:
    linear-gradient(135deg, var(--red), var(--red-dark)),
    var(--red);
  border-radius: 4px;
  box-shadow: inset 0 0 0 1px rgb(255 255 255 / 18%);
}

.brand-copy {
  display: grid;
  gap: 2px;
  line-height: 1.05;
}

.brand-copy strong {
  font-size: 16px;
}

.brand-copy span {
  color: rgb(255 255 255 / 58%);
  font-size: 10px;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: clamp(18px, 2.5vw, 36px);
  color: rgb(255 255 255 / 82%);
  font-size: 14px;
  white-space: nowrap;
}

.site-nav a {
  position: relative;
  padding-block: 26px;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 18px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

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

.header-cta {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding-inline: 22px;
  color: #fff;
  font-weight: 700;
  background: var(--red);
  border-radius: 4px;
  transition:
    background 180ms ease,
    transform 180ms ease;
}

.header-cta:hover,
.header-cta:focus-visible {
  background: var(--red-dark);
  transform: translateY(-1px);
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 7px;
  color: #fff;
  background: rgb(255 255 255 / 8%);
  border: 1px solid rgb(255 255 255 / 16%);
  border-radius: 4px;
}

.menu-button span {
  width: 18px;
  height: 2px;
  background: currentColor;
  transition: transform 180ms ease;
}

body.menu-open .menu-button span:first-child {
  transform: translateY(4.5px) rotate(45deg);
}

body.menu-open .menu-button span:last-child {
  transform: translateY(-4.5px) rotate(-45deg);
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 24px;
  font-size: 15px;
  font-weight: 800;
  line-height: 1;
  border-radius: 4px;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    color 180ms ease;
}

.button::after {
  content: "->";
  font-weight: 900;
}

.button-primary {
  color: #fff;
  background: var(--red);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--red-dark);
  transform: translateY(-1px);
}

.button-outline {
  color: #fff;
  border: 1px solid rgb(255 255 255 / 58%);
  background: rgb(16 17 19 / 18%);
}

.button-outline:hover,
.button-outline:focus-visible {
  border-color: #fff;
  background: rgb(255 255 255 / 12%);
  transform: translateY(-1px);
}

.button-light {
  color: var(--ink);
  border: 1px solid var(--line);
  background: var(--paper-strong);
}

.button-light:hover,
.button-light:focus-visible {
  border-color: var(--ink);
  transform: translateY(-1px);
}

.section-label {
  margin: 0 0 18px;
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.section-panel {
  padding: clamp(72px, 9vw, 120px) 0;
  scroll-margin-top: 88px;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(280px, 0.95fr) minmax(280px, 0.8fr);
  gap: clamp(28px, 6vw, 90px);
  align-items: end;
  margin-bottom: 44px;
}

.section-head h2,
.systems-copy h2,
.case-copy h2,
.capability-copy h2,
.contact-copy h2 {
  margin: 0;
  font-size: clamp(34px, 5.6vw, 72px);
  line-height: 1.05;
  font-weight: 900;
}

.section-head p:not(.section-label),
.systems-copy p,
.case-copy > p,
.capability-copy p,
.contact-copy p {
  max-width: 620px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.9;
}

.hero {
  position: relative;
  min-height: 830px;
  display: flex;
  overflow: hidden;
  flex-direction: column;
  justify-content: flex-end;
  color: #fff;
  background: var(--ink);
}

.hero-visual,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgb(16 17 19 / 86%) 0%, rgb(16 17 19 / 58%) 34%, rgb(16 17 19 / 16%) 72%),
    linear-gradient(180deg, rgb(16 17 19 / 50%) 0%, rgb(16 17 19 / 0%) 36%, rgb(16 17 19 / 72%) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 170px 0 62px;
}

.hero-content h1 {
  max-width: 960px;
  margin: 0;
  font-size: clamp(46px, 7.2vw, 106px);
  font-weight: 950;
  line-height: 1.02;
}

.hero-content h1 span {
  display: block;
}

.hero-lede {
  max-width: 720px;
  margin: 28px 0 0;
  color: rgb(255 255 255 / 84%);
  font-size: clamp(17px, 1.7vw, 22px);
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.concept-note {
  display: inline-flex;
  align-items: center;
  margin: 18px 0 0;
  color: rgb(255 255 255 / 58%);
  font-size: 12px;
}

.hero-process {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  color: var(--ink);
  background: var(--paper-strong);
  border-top: 1px solid rgb(255 255 255 / 10%);
  box-shadow: 0 -24px 70px rgb(0 0 0 / 18%);
}

.hero-process a {
  min-height: 128px;
  padding: 26px 30px;
  border-right: 1px solid var(--line);
  transition: background 180ms ease;
}

.hero-process a:last-child {
  border-right: 0;
}

.hero-process a:hover,
.hero-process a:focus-visible {
  background: var(--paper-cool);
}

.hero-process span,
.dossier-index,
.system-route > span,
.operations-table span {
  display: block;
  margin-bottom: 12px;
  color: var(--red);
  font-weight: 900;
}

.hero-process strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
}

.hero-process em {
  display: block;
  color: var(--muted);
  font-size: 14px;
  font-style: normal;
  line-height: 1.7;
}

.brand-matrix {
  background: var(--paper);
}

.credibility {
  background: var(--paper-strong);
  border-bottom: 1px solid var(--line);
}

.credibility-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(30px, 5vw, 72px);
  align-items: start;
}

.credibility-copy h2 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.08;
}

.credibility-copy p:not(.section-label) {
  max-width: 610px;
  margin: 24px 0 0;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.85;
}

.credibility-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
}

.credibility-cards article {
  min-height: 188px;
  padding: 24px 22px;
  background: var(--paper);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.credibility-cards article:nth-child(2n) {
  border-right: 0;
}

.credibility-cards span {
  display: block;
  margin-bottom: 18px;
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
}

.credibility-cards strong {
  display: block;
  margin-bottom: 12px;
  font-size: 20px;
  line-height: 1.35;
}

.credibility-cards p,
.privacy-note {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.privacy-note {
  grid-column: 1 / -1;
  padding: 18px 20px;
  background: #f5f0e8;
  border-left: 4px solid var(--red);
}

.brand-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.46fr) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: stretch;
}

.brand-side {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  justify-content: space-between;
  padding: 0;
}

.brand-side img {
  width: 100%;
  height: clamp(320px, 34vw, 460px);
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.brand-side .concept-note {
  color: var(--muted);
}

.brand-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.brand-dossiers {
  display: grid;
  grid-template-columns: minmax(230px, 0.45fr) minmax(0, 1fr);
  min-height: 520px;
  overflow: hidden;
  background: var(--paper-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 22px 60px rgb(16 17 19 / 9%);
}

.brand-tabs {
  display: flex;
  flex-direction: column;
  background: #f1f2ef;
  border-right: 1px solid var(--line);
}

.brand-tab {
  position: relative;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 8px 16px;
  width: 100%;
  min-height: 94px;
  padding: 18px 20px;
  color: var(--ink);
  text-align: left;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  outline: 0;
  cursor: pointer;
  transition: transform 180ms ease;
}

.brand-tab:last-child {
  border-bottom: 0;
}

.brand-tab::before {
  position: absolute;
  inset: 18px auto 18px 0;
  width: 4px;
  content: "";
  background: transparent;
}

.brand-tab span {
  grid-row: span 3;
  color: var(--red);
  font-weight: 900;
}

.brand-tab strong {
  font-size: 22px;
  line-height: 1.05;
}

.brand-tab em,
.brand-tab small {
  color: var(--muted);
  font-style: normal;
  line-height: 1.35;
}

.brand-tab small {
  font-size: 12px;
  font-weight: 900;
}

.brand-tab:hover,
.brand-tab:focus-visible {
  background: rgb(255 255 255 / 72%);
  transform: translateX(2px);
}

.brand-tab:focus-visible {
  box-shadow: inset 0 0 0 2px rgb(201 45 42 / 38%);
}

.brand-tab.is-active {
  color: #fff;
  background: var(--ink);
}

.brand-tab.is-active::before {
  background: var(--red);
}

.brand-tab.is-active em,
.brand-tab.is-active small {
  color: rgb(255 255 255 / 64%);
}

.brand-tab.is-active span {
  color: #ff6961;
}

.brand-panels {
  position: relative;
  min-width: 0;
  background:
    linear-gradient(90deg, rgb(16 17 19 / 4%) 0 1px, transparent 1px 100%) 0 0 / 48px 48px,
    var(--paper-strong);
}

.brand-profile {
  min-height: 100%;
  padding: clamp(28px, 3.2vw, 44px);
}

.brand-profile[hidden] {
  display: none;
}

.brand-profile h3 {
  margin: 0 0 8px;
  font-size: clamp(40px, 5vw, 60px);
  line-height: 1;
}

.brand-profile > p {
  max-width: 660px;
  margin: 0 0 26px;
  color: var(--ink-soft);
  font-size: 16.5px;
  line-height: 1.75;
}

.brand-profile dl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 0 0 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.brand-profile dl div {
  min-height: 114px;
  padding: 18px 16px 16px 0;
  border-right: 1px solid var(--line);
}

.brand-profile dl div + div {
  padding-left: 20px;
}

.brand-profile dl div:last-child {
  border-right: 0;
}

.brand-profile dt {
  margin-bottom: 12px;
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
}

.brand-profile dd {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.65;
}

.brand-proof-media {
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  margin: 0 0 24px;
  padding: 12px;
  background: rgb(255 255 255 / 68%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.brand-proof-media img {
  width: 116px;
  height: 116px;
  object-fit: cover;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
}

.brand-proof-media figcaption {
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.6;
}

.brand-next {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 0 0 24px;
  padding: 18px;
  background: #f5f0e8;
  border-left: 4px solid var(--red);
}

.brand-next strong {
  font-size: 16px;
  line-height: 1.5;
}

.brand-next ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  color: var(--ink-soft);
  line-height: 1.75;
  list-style: none;
}

.brand-next li {
  position: relative;
  padding-left: 18px;
}

.brand-next li::before {
  position: absolute;
  top: 0.78em;
  left: 0;
  width: 5px;
  height: 5px;
  content: "";
  background: var(--red);
  border-radius: 999px;
}

.systems {
  background: var(--paper-strong);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.systems-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(34px, 6vw, 84px);
  align-items: start;
}

.systems-copy {
  position: sticky;
  top: 112px;
  padding: 4px 0 24px;
}

.plain-list {
  display: grid;
  gap: 14px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.plain-list li {
  position: relative;
  padding-left: 26px;
  color: var(--ink-soft);
  line-height: 1.75;
}

.plain-list li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 8px;
  height: 8px;
  content: "";
  background: var(--red);
  border-radius: 50%;
}

.system-routes {
  border-top: 1px solid var(--ink);
}

.system-route {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.system-route h3 {
  margin: 0 0 8px;
  font-size: clamp(24px, 3vw, 40px);
  line-height: 1;
  overflow-wrap: anywhere;
}

.system-route strong {
  display: block;
  margin-bottom: 10px;
  color: var(--red);
  font-size: 17px;
}

.system-route p {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.system-route small {
  display: block;
  margin-top: 10px;
  color: var(--steel);
  font-size: 12px;
  font-weight: 700;
}

.system-proof {
  display: grid;
  grid-template-columns: 152px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  max-width: 560px;
  margin: 16px 0 0;
  padding: 10px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.system-proof img {
  width: 152px;
  height: 84px;
  object-fit: cover;
  object-position: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
}

.system-proof figcaption {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.qiuqiao {
  background: var(--paper);
}

.case-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.88fr) minmax(0, 1.12fr);
  gap: clamp(30px, 5vw, 62px);
  align-items: start;
}

.case-visual,
.asset-visual {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--paper-cool);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.case-visual img {
  width: 100%;
  min-height: 640px;
  object-fit: cover;
}

.case-product img {
  min-height: 0;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: #050505;
}

.case-visual figcaption,
.asset-visual figcaption {
  position: absolute;
  right: 14px;
  bottom: 14px;
  max-width: calc(100% - 28px);
  padding: 9px 12px;
  color: #fff;
  font-size: 12px;
  background: rgb(16 17 19 / 72%);
  border-radius: 4px;
  backdrop-filter: blur(10px);
}

.case-copy {
  padding-top: 4px;
}

.case-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 34px;
}

.case-brief {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 28px 0 0;
}

.case-brief div {
  padding: 16px;
  background: var(--paper-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.case-brief dt {
  margin-bottom: 9px;
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
}

.case-brief dd {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

.case-columns article {
  min-height: 276px;
  padding: 22px;
  background: var(--paper-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.case-columns h3,
.operations-table h3,
.route-lanes h3,
.contact-form h3 {
  margin: 0;
  font-size: 22px;
}

.case-columns h3::after {
  display: block;
  width: 34px;
  height: 2px;
  margin: 14px 0 20px;
  content: "";
  background: var(--red);
}

.case-columns ul {
  display: grid;
  gap: 16px;
  margin: 0;
  padding-left: 18px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.case-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin-top: 34px;
  border-top: 2px solid var(--red);
}

.case-timeline span {
  position: relative;
  padding-top: 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.case-timeline span::before {
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  content: "";
  background: var(--red);
  border-radius: 50%;
}

.case-timeline strong {
  display: block;
  margin-bottom: 4px;
  color: var(--ink);
  font-size: 18px;
}

.case-link {
  margin-top: 24px;
}

.case-page {
  background: var(--paper);
}

.case-detail-hero {
  position: relative;
  overflow: hidden;
  padding: 152px 0 86px;
  color: #fff;
  background:
    linear-gradient(90deg, rgb(200 32 32 / 18%) 0 1px, transparent 1px 100%) 0 0 / 54px 54px,
    linear-gradient(135deg, var(--ink) 0%, #191d20 62%, #260e0e 100%);
}

.case-detail-hero::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  content: "";
  background: rgb(255 255 255 / 18%);
}

.case-detail-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 440px);
  gap: clamp(34px, 6vw, 84px);
  align-items: center;
}

.eyebrow {
  margin: 0 0 18px;
  color: #ff6961;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.case-detail-grid h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(44px, 6vw, 76px);
  line-height: 1.04;
}

.case-detail-grid > div > p:not(.eyebrow) {
  max-width: 720px;
  margin: 28px 0 0;
  color: rgb(255 255 255 / 76%);
  font-size: 18px;
  line-height: 1.9;
}

.case-detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.case-detail-product {
  margin: 0;
  padding: 26px;
  background: rgb(255 255 255 / 8%);
  border: 1px solid rgb(255 255 255 / 18%);
  border-radius: var(--radius);
  box-shadow: 0 34px 90px rgb(0 0 0 / 24%);
}

.case-detail-product img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: #050505;
  border: 1px solid rgb(255 255 255 / 14%);
  border-radius: 4px;
}

.case-detail-product figcaption {
  margin-top: 14px;
  color: rgb(255 255 255 / 68%);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.6;
}

.case-detail-body {
  padding: 78px 0 96px;
}

.case-detail-sections {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.case-detail-sections article {
  min-height: 390px;
  padding: 28px 22px 34px;
  background: var(--paper-strong);
  border-right: 1px solid var(--line);
}

.case-detail-sections article:nth-child(2n) {
  background: var(--paper);
}

.case-detail-sections article:last-child {
  border-right: 0;
}

.case-detail-sections span {
  display: block;
  margin-bottom: 30px;
  color: var(--red);
  font-size: 13px;
  font-weight: 900;
}

.case-detail-sections h2 {
  margin: 0 0 24px;
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.15;
}

.case-detail-sections ul {
  display: grid;
  gap: 16px;
  margin: 0;
  padding-left: 18px;
  color: var(--ink-soft);
  line-height: 1.78;
}

.case-detail-timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin-top: 42px;
  border-top: 2px solid var(--red);
}

.case-detail-timeline span {
  position: relative;
  padding: 22px 18px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.case-detail-timeline span::before {
  position: absolute;
  top: -6px;
  left: 0;
  width: 10px;
  height: 10px;
  content: "";
  background: var(--red);
  border-radius: 50%;
}

.case-detail-timeline strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 18px;
}

.capability {
  background: var(--paper-strong);
}

.capability-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(34px, 5vw, 76px);
  align-items: center;
}

.asset-types {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(86px, 1fr));
  gap: 8px;
  margin: 34px 0 30px;
}

.asset-types span {
  display: grid;
  min-height: 58px;
  place-items: center;
  color: var(--ink);
  font-weight: 800;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 4px;
}

.asset-visual img {
  width: 100%;
  min-height: 480px;
  object-fit: cover;
}

.operations-table {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 52px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.operations-table article {
  min-height: 210px;
  padding: 28px 24px 34px;
  border-right: 1px solid var(--line);
}

.operations-table article:last-child {
  border-right: 0;
}

.operations-table p {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.75;
}

.material-needs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 30px;
  padding: 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.material-needs strong {
  margin-right: 8px;
}

.material-needs span {
  padding: 8px 12px;
  color: var(--ink-soft);
  background: var(--paper-strong);
  border: 1px solid var(--line);
  border-radius: 4px;
}

.team-structure {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(28px, 4vw, 58px);
  align-items: start;
  margin-top: 52px;
  padding: 32px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.team-copy h3 {
  margin: 0;
  font-size: clamp(28px, 3.8vw, 46px);
  line-height: 1.12;
}

.team-copy p:not(.section-label) {
  margin: 20px 0 0;
  color: var(--ink-soft);
  line-height: 1.85;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.team-grid article {
  min-height: 132px;
  padding: 18px;
  background: var(--paper-strong);
  border: 1px solid var(--line);
  border-radius: 4px;
}

.team-grid span {
  display: block;
  margin-bottom: 10px;
  color: var(--red);
  font-weight: 900;
}

.team-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.contact {
  color: #fff;
  background:
    linear-gradient(180deg, rgb(255 255 255 / 4%), transparent 40%),
    var(--ink);
}

.contact .section-label,
.contact-copy .section-label {
  color: #ff6464;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(340px, 470px);
  gap: clamp(32px, 6vw, 82px);
  align-items: start;
}

.contact-copy p {
  color: rgb(255 255 255 / 72%);
}

.route-lanes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 38px;
}

.route-lanes article {
  min-height: 188px;
  display: flex;
  flex-direction: column;
  padding: 22px;
  background: rgb(255 255 255 / 6%);
  border: 1px solid rgb(255 255 255 / 15%);
  border-radius: var(--radius);
}

.route-lanes p {
  margin: 14px 0 24px;
  color: rgb(255 255 255 / 64%);
  line-height: 1.7;
}

.route-lanes a {
  display: inline-flex;
  width: fit-content;
  margin-top: auto;
  padding-bottom: 5px;
  color: #fff;
  font-weight: 800;
  border-bottom: 2px solid var(--red);
}

.recruit-lane {
  background: rgb(255 255 255 / 3%);
}

.contact-form {
  padding: 28px;
  color: var(--ink);
  background: var(--paper-strong);
  border: 1px solid rgb(255 255 255 / 22%);
  border-radius: var(--radius);
  box-shadow: 0 32px 80px rgb(0 0 0 / 22%);
}

.contact-form > p {
  margin: 12px 0 24px;
  color: var(--muted);
  line-height: 1.7;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.contact-form label span,
.form-more summary {
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 46px;
  padding: 12px 13px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px var(--red-soft);
}

.form-more {
  margin: 6px 0 20px;
  padding: 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 4px;
}

.form-more summary {
  cursor: pointer;
}

.form-more[open] summary {
  margin-bottom: 14px;
}

.contact-form .button {
  width: 100%;
}

.privacy-copy {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
}

.form-status {
  min-height: 22px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.form-status.is-error {
  color: var(--red-dark);
}

.form-status.is-success {
  color: #166534;
}

.site-footer {
  color: #fff;
  background: #0b0c0e;
  border-top: 1px solid rgb(255 255 255 / 12%);
}

.footer-layout {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px 36px;
  align-items: start;
  padding: 34px 0;
}

.site-footer strong {
  font-size: 17px;
}

.site-footer p {
  margin: 8px 0 0;
  color: rgb(255 255 255 / 56%);
  line-height: 1.7;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: rgb(255 255 255 / 74%);
  font-size: 14px;
}

.footer-note {
  grid-column: 1 / -1;
  max-width: 780px;
  font-size: 13px;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 520ms ease,
    transform 520ms ease;
}

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

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: auto 1fr auto;
  }

  .site-nav {
    position: fixed;
    top: 74px;
    right: 0;
    left: 0;
    display: grid;
    justify-content: stretch;
    gap: 0;
    padding: 10px 24px 24px;
    background: rgb(16 17 19 / 98%);
    border-bottom: 1px solid rgb(255 255 255 / 12%);
    transform: translateY(-130%);
    transition: transform 180ms ease;
  }

  body.menu-open .site-nav {
    transform: translateY(0);
  }

  .site-nav a {
    padding: 17px 0;
    border-bottom: 1px solid rgb(255 255 255 / 10%);
  }

  .site-nav a::after {
    display: none;
  }

  .menu-button {
    display: flex;
  }

  .header-cta {
    display: none;
  }

  .hero-process,
  .section-head,
  .credibility-layout,
  .brand-layout,
  .systems-grid,
  .case-layout,
  .case-detail-grid,
  .capability-layout,
  .team-structure,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .systems-copy {
    position: static;
  }

  .case-columns,
  .case-detail-sections,
  .case-detail-timeline,
  .operations-table {
    grid-template-columns: repeat(2, 1fr);
  }

  .system-route {
    grid-template-columns: 54px minmax(0, 1fr);
  }

  .system-route .button {
    grid-column: 2;
    justify-self: start;
  }

  .credibility-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  :root {
    --container: min(1180px, calc(100vw - 28px));
  }

  .site-header {
    height: 66px;
    padding-inline: 14px;
  }

  .container {
    width: calc(100vw - 28px);
    max-width: calc(100vw - 28px);
  }

  .brand-lockup {
    min-width: 0;
    grid-template-columns: 38px auto;
    gap: 10px;
  }

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

  .brand-copy strong {
    font-size: 14px;
  }

  .brand-copy span {
    font-size: 9px;
  }

  .site-nav {
    top: 66px;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    position: relative;
    height: 44svh;
    min-height: 315px;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgb(16 17 19 / 14%) 0%, rgb(16 17 19 / 78%) 78%, var(--ink) 100%),
      linear-gradient(90deg, rgb(16 17 19 / 50%), transparent);
  }

  .hero-content {
    width: calc(100vw - 44px);
    max-width: calc(100vw - 44px);
    padding: 26px 0 24px;
  }

  .hero-content h1 {
    max-width: 100%;
    font-size: clamp(34px, 10.4vw, 44px);
    line-height: 1.08;
  }

  .hero-lede {
    max-width: calc(100vw - 44px);
    font-size: 16px;
    word-break: break-all;
  }

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

  .hero-actions .button,
  .brand-actions .button {
    width: 100%;
  }

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

  .hero-process a {
    min-height: 0;
    padding: 20px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .section-panel {
    padding: 64px 0;
    scroll-margin-top: 74px;
  }

  .section-head h2,
  .credibility-copy h2,
  .systems-copy h2,
  .case-copy h2,
  .capability-copy h2,
  .contact-copy h2 {
    font-size: clamp(32px, 11vw, 46px);
  }

  .credibility-cards,
  .team-grid {
    grid-template-columns: 1fr;
  }

  .credibility-cards article,
  .credibility-cards article:nth-child(2n) {
    min-height: 0;
    border-right: 0;
  }

  .brand-dossiers {
    grid-template-columns: 1fr;
    min-height: 0;
    overflow: visible;
  }

  .brand-tabs {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .brand-tab {
    min-height: 86px;
    padding: 18px;
  }

  .brand-tab:hover,
  .brand-tab:focus-visible {
    transform: none;
  }

  .brand-profile {
    padding: 24px;
  }

  .brand-profile h3 {
    font-size: clamp(38px, 14vw, 58px);
  }

  .brand-profile > p {
    font-size: 16px;
  }

  .brand-profile dl {
    grid-template-columns: 1fr;
  }

  .brand-profile dl div,
  .brand-profile dl div + div {
    min-height: 0;
    padding: 18px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .brand-profile dl div:last-child {
    border-bottom: 0;
  }

  .brand-next {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 18px;
  }

  .brand-proof-media,
  .system-proof {
    grid-template-columns: 96px minmax(0, 1fr);
  }

  .brand-proof-media img {
    width: 96px;
    height: 96px;
  }

  .system-proof img {
    width: 96px;
    height: 58px;
  }

  .system-route {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .system-route .button {
    grid-column: auto;
    width: 100%;
  }

  .team-structure {
    padding: 22px;
  }

  .case-visual img,
  .asset-visual img {
    min-height: 340px;
  }

  .case-columns,
  .case-brief,
  .case-timeline,
  .case-detail-sections,
  .case-detail-timeline,
  .operations-table,
  .route-lanes,
  .form-row {
    grid-template-columns: 1fr;
  }

  .case-detail-hero {
    padding: 112px 0 58px;
  }

  .case-detail-grid h1 {
    font-size: clamp(36px, 11vw, 50px);
  }

  .case-detail-grid > div > p:not(.eyebrow) {
    font-size: 16px;
    word-break: break-all;
  }

  .case-detail-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .case-detail-actions .button {
    width: 100%;
  }

  .case-detail-product {
    padding: 16px;
  }

  .case-detail-body {
    padding: 56px 0 70px;
  }

  .case-detail-sections {
    border-top: 1px solid var(--line);
  }

  .case-detail-sections article {
    min-height: 0;
    padding: 24px 20px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .case-detail-timeline {
    gap: 14px;
    border-top: 0;
  }

  .case-detail-timeline span {
    padding: 14px 0 0 22px;
    border-top: 1px solid var(--line);
  }

  .case-detail-timeline span::before {
    top: 17px;
  }

  .case-columns article,
  .operations-table article {
    min-height: 0;
  }

  .case-timeline {
    gap: 14px;
    border-top: 0;
  }

  .case-timeline span {
    padding: 14px 0 0 22px;
    border-top: 1px solid var(--line);
  }

  .case-timeline span::before {
    top: 17px;
  }

  .asset-types {
    grid-template-columns: repeat(2, 1fr);
  }

  .operations-table {
    border-top: 1px solid var(--line);
  }

  .operations-table article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .contact-form {
    padding: 22px;
  }

  .footer-layout {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}