:root {
  --ink: #0b0d10;
  --ink-2: #17191d;
  --paper: #f7f7f4;
  --paper-2: #eeeeea;
  --white: #ffffff;
  --muted: #70747b;
  --line: rgba(12, 13, 16, 0.14);
  --line-light: rgba(255, 255, 255, 0.18);
  --red: #db1b2e;
  --green: #31a682;
  --aqua: #82cbc6;
  --gold: #b89353;
  --shadow: 0 28px 80px rgba(22, 24, 28, 0.12);
  --soft-shadow: 0 18px 54px rgba(22, 24, 28, 0.08);
  font-family:
    "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui,
    sans-serif;
  color: var(--ink);
  background: var(--paper);
  letter-spacing: 0;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::selection {
  background: rgba(219, 27, 46, 0.18);
}

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

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

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

:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 4px;
}

.scroll-progress {
  position: fixed;
  inset: 0 auto auto 0;
  z-index: 100;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--red), var(--green), var(--gold));
  transform-origin: left;
}

.site-header {
  position: fixed;
  inset: 16px 18px auto;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 10px 12px 10px 16px;
  border: 1px solid rgba(10, 11, 12, 0.12);
  border-radius: 999px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(24px) saturate(130%);
  box-shadow: 0 20px 60px rgba(20, 22, 25, 0.08);
  transition:
    background 240ms ease,
    border-color 240ms ease,
    transform 240ms ease;
}

.site-header.is-scrolled {
  border-color: rgba(10, 11, 12, 0.12);
  color: var(--ink);
  background: rgba(245, 242, 236, 0.86);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.brand {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  font-size: 13px;
  font-weight: 800;
  color: var(--white);
  background: var(--ink);
}

.site-header.is-scrolled .brand {
  color: var(--white);
  background: var(--ink);
}

.desktop-nav {
  display: flex;
  justify-content: center;
  gap: 26px;
  font-size: 13px;
  font-weight: 600;
}

.desktop-nav a,
.nav-action {
  opacity: 0.82;
  transition:
    color 180ms ease,
    opacity 180ms ease,
    transform 180ms ease;
}

.desktop-nav a:hover,
.desktop-nav a.is-active,
.nav-action:hover {
  opacity: 1;
  transform: translateY(-1px);
}

.desktop-nav a.is-active {
  color: var(--red);
}

.nav-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  background: var(--white);
}

.site-header.is-scrolled .nav-action {
  color: var(--white);
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--ink);
  background: var(--paper);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.85), rgba(247, 247, 244, 0.3)),
    linear-gradient(90deg, rgba(219, 27, 46, 0.06), transparent 36%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 72px;
  align-items: center;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 132px 0 72px;
}

.hero-copy {
  position: relative;
  width: auto;
  margin: 0;
  padding: 0;
}

.kicker,
.eyebrow {
  margin: 0;
  color: #5f646b;
  font-size: 12px;
  font-weight: 750;
  text-transform: uppercase;
}

.eyebrow {
  color: var(--red);
}

.hero h1 {
  margin: 18px 0 16px;
  font-size: 84px;
  line-height: 0.98;
  font-weight: 850;
}

.hero-line {
  max-width: 650px;
  margin: 0;
  color: #24282d;
  font-size: 30px;
  line-height: 1.24;
  font-weight: 720;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero-meta a,
.hero-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid rgba(12, 13, 16, 0.14);
  border-radius: 999px;
  color: #3e444b;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(16px);
  font-size: 13px;
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 760px;
  margin-top: 34px;
  border: 1px solid rgba(12, 13, 16, 0.12);
  background: rgba(12, 13, 16, 0.12);
  box-shadow: 0 22px 70px rgba(24, 26, 30, 0.08);
}

.hero-proof div {
  min-height: 136px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
}

.hero-proof strong {
  display: block;
  color: var(--ink);
  font-size: 28px;
  line-height: 1;
}

.hero-proof span {
  display: block;
  margin-top: 14px;
  color: #656b72;
  font-size: 13px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-portrait {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: var(--shadow);
  justify-self: end;
}

.hero-portrait img {
  width: 100%;
  height: min(66svh, 620px);
  min-height: 440px;
  object-fit: cover;
  object-position: 56% center;
  filter: saturate(0.86) contrast(1.04);
}

.hero-portrait figcaption {
  display: grid;
  gap: 7px;
  padding: 18px 20px;
}

.hero-portrait span {
  color: #7b8087;
  font-size: 11px;
  font-weight: 850;
  text-transform: uppercase;
}

.hero-portrait strong {
  color: #252a30;
  font-size: 15px;
  line-height: 1.55;
}

.primary-link,
.secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 760;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

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

.secondary-link {
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.62);
}

.primary-link:hover,
.secondary-link:hover {
  transform: translateY(-2px);
}

.section-pad {
  padding: 124px 0;
}

.section-inner {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.chapter-cover,
.case-cover {
  display: flex;
  align-items: center;
  min-height: 58svh;
  padding: 120px 0 86px;
  border-top: 1px solid var(--line);
}

.chapter-light,
.case-lulu-cover,
.case-research-cover {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.42), rgba(255, 255, 255, 0)),
    var(--paper);
}

.case-delta-cover {
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.68), rgba(255, 255, 255, 0)),
    #f6f4f2;
}

.case-data-cover {
  background: #dcefeb;
}

.chapter-inner {
  width: min(960px, calc(100% - 40px));
  margin: 0 auto;
}

.chapter-inner span {
  display: block;
  color: var(--red);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.case-delta-cover .chapter-inner span {
  color: var(--red);
}

.chapter-inner h2 {
  margin: 16px 0 0;
  max-width: 920px;
  font-size: 68px;
  line-height: 1.04;
  font-weight: 850;
}

.chapter-inner p {
  max-width: 720px;
  margin: 24px 0 0;
  color: #555b63;
  font-size: 19px;
  line-height: 1.72;
}

.case-delta-cover .chapter-inner p {
  color: #555b63;
}

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

.overview-section {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(247, 247, 244, 0)),
    var(--white);
  border-top: 1px solid var(--line);
}

.overview-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 72px;
  align-items: start;
}

.overview-panels {
  display: grid;
  gap: 18px;
}

.overview-panel {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--soft-shadow);
}

.panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
}

.panel-title span {
  color: var(--red);
  font-size: 11px;
  font-weight: 860;
  text-transform: uppercase;
}

.panel-title strong {
  font-size: 18px;
  line-height: 1.2;
}

.overview-card,
.overview-projects a {
  display: grid;
  gap: 12px;
  padding: 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.54);
  transition:
    background 180ms ease,
    transform 180ms ease;
}

.overview-card:last-child,
.overview-projects a:last-child {
  border-bottom: 0;
}

.overview-card:hover,
.overview-projects a:hover {
  background: var(--white);
  transform: translateX(4px);
}

.overview-card-featured {
  grid-template-columns: 132px minmax(0, 1fr);
  align-items: center;
}

.overview-card-featured img {
  width: 112px;
  max-height: 52px;
  object-fit: contain;
}

.overview-card span,
.overview-projects span {
  color: var(--gold);
  font-size: 11px;
  font-weight: 850;
  text-transform: uppercase;
}

.overview-card strong,
.overview-projects strong {
  display: block;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.35;
}

.overview-card p,
.overview-projects p {
  margin: 0;
  color: #555b63;
  font-size: 14px;
  line-height: 1.65;
}

.overview-projects {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.overview-projects a {
  min-height: 190px;
  border-right: 1px solid var(--line);
}

.overview-projects a:nth-child(2n) {
  border-right: 0;
}

.overview-projects a:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.intro-grid,
.project-layout,
.research-grid,
.data-layout,
.timeline-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 72px;
  align-items: start;
}

.section-heading h2,
.project-copy h2,
.contact-inner h2 {
  margin: 12px 0 0;
  font-size: 48px;
  line-height: 1.08;
  font-weight: 820;
}

.section-heading.wide {
  max-width: 840px;
}

.section-heading p,
.intro-copy p,
.project-lead,
.research-section p,
.data-layout p,
.timeline p,
.capability-grid p {
  color: #555b63;
  font-size: 17px;
  line-height: 1.82;
}

.intro-copy p {
  margin: 0 0 18px;
}

.profile-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 30px;
  border: 1px solid var(--line);
  background: var(--line);
}

.profile-columns article {
  min-height: 150px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.66);
}

.profile-columns strong {
  display: block;
  color: var(--ink);
  font-size: 17px;
}

.profile-columns span {
  display: block;
  margin-top: 12px;
  color: #5d646b;
  font-size: 14px;
  line-height: 1.65;
}

.education-card {
  margin: 0 0 28px;
  padding: 28px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 24px 70px rgba(20, 22, 25, 0.08);
}

.education-card span {
  display: block;
  margin-bottom: 14px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 820;
  text-transform: uppercase;
}

.education-card h3 {
  margin: 0;
  font-size: 24px;
  line-height: 1.28;
}

.education-card p {
  margin: 16px 0 0;
}

.metric-band {
  overflow: hidden;
  padding: 34px 0;
  color: var(--ink);
  background: #ffffff;
  border-block: 1px solid var(--line);
}

.metric-track {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.metric-track div {
  min-height: 136px;
  padding: 26px;
  background: var(--white);
}

.metric-track strong {
  display: block;
  font-size: 32px;
  line-height: 1;
}

.metric-track span {
  display: block;
  margin-top: 16px;
  color: #636970;
  font-size: 14px;
  line-height: 1.5;
}

.system-section {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0)),
    #f1f4f0;
}

.system-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 72px;
  align-items: start;
}

.method-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
  box-shadow: var(--soft-shadow);
}

.method-board article {
  min-height: 236px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.72);
}

.method-board span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--white);
  background: var(--ink);
  font-size: 12px;
  font-weight: 840;
}

.method-board h3 {
  margin: 26px 0 0;
  font-size: 28px;
  line-height: 1.1;
}

.method-board p {
  margin: 18px 0 0;
  color: #555b63;
  font-size: 15px;
  line-height: 1.72;
}

.method-column {
  display: grid;
  gap: 18px;
}

.workflow-proof {
  padding: 26px;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(49, 166, 130, 0.08), transparent 42%),
    rgba(255, 255, 255, 0.72);
  box-shadow: var(--soft-shadow);
}

.workflow-proof span {
  display: block;
  color: var(--green);
  font-size: 12px;
  font-weight: 860;
  text-transform: uppercase;
}

.workflow-proof p {
  margin: 12px 0 0;
  color: #3c4249;
  font-size: 15px;
  line-height: 1.76;
}

.project {
  position: relative;
  overflow: hidden;
  padding: 0 0 108px;
}

.work-map {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 46px;
  background: var(--line);
  border: 1px solid var(--line);
}

.work-map a {
  min-height: 250px;
  padding: 26px;
  background: rgba(255, 255, 255, 0.64);
  transition:
    transform 180ms ease,
    background 180ms ease;
}

.work-map a:hover {
  background: var(--white);
  transform: translateY(-4px);
}

.work-map span {
  display: block;
  margin-bottom: 28px;
  color: var(--red);
  font-size: 11px;
  font-weight: 850;
  text-transform: uppercase;
}

.work-map strong {
  display: block;
  font-size: 21px;
  line-height: 1.3;
}

.work-map p {
  margin: 16px 0 0;
  color: #5a6068;
  font-size: 14px;
  line-height: 1.72;
}

.project-lulu {
  padding-top: 110px;
  background: #f7f5f0;
}

.project-copy {
  position: sticky;
  top: 116px;
}

.project-copy h2 {
  max-width: 620px;
}

.project-lead {
  margin: 24px 0 0;
  max-width: 620px;
  color: #41464d;
  font-size: 20px;
  line-height: 1.72;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 30px;
}

.tag-row span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #3f454b;
  background: rgba(255, 255, 255, 0.58);
  font-size: 12px;
  font-weight: 720;
}

.tag-row.dark span {
  border-color: var(--line);
  color: #3f454b;
  background: rgba(255, 255, 255, 0.66);
}

.capability-grid article,
.timeline article {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.64);
}

.case-evidence {
  display: grid;
  gap: 18px;
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
  box-shadow: var(--soft-shadow);
}

.fact-grid.single-column {
  grid-template-columns: 1fr;
  margin-top: 28px;
  box-shadow: none;
}

.fact-grid article {
  min-height: 142px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.72);
}

.fact-grid strong {
  display: block;
  color: var(--ink);
  font-size: 28px;
  line-height: 1.05;
  font-weight: 840;
}

.fact-grid span {
  display: block;
  margin-top: 14px;
  color: #545b63;
  font-size: 14px;
  line-height: 1.62;
}

.strar-grid {
  display: grid;
  gap: 10px;
}

.strar-grid article {
  position: relative;
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  padding: 24px;
  border: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(219, 27, 46, 0.055), transparent 28%),
    rgba(255, 255, 255, 0.7);
}

.strar-grid span {
  display: inline-flex;
  align-items: center;
  color: var(--red);
  font-size: 12px;
  font-weight: 860;
  text-transform: uppercase;
}

.strar-grid p {
  margin: 0;
  color: #363c43;
  font-size: 15px;
  line-height: 1.76;
}

.strar-grid.compact {
  margin-top: 0;
}

.strar-grid.compact article {
  grid-template-columns: 96px minmax(0, 1fr);
  padding: 20px 22px;
}

.gallery-shell {
  width: min(1440px, calc(100% - 40px));
  margin: 86px auto 0;
}

.gallery-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 18px;
}

.gallery-head span {
  color: var(--green);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.gallery-head strong {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #40464d;
  font-size: 14px;
  font-weight: 760;
}

.gallery-head strong::before,
.gallery-head strong::after {
  color: var(--red);
  font-size: 18px;
  line-height: 1;
}

.gallery-head strong::before {
  content: "←";
}

.gallery-head strong::after {
  content: "→";
}

.gallery-strip {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(360px, 42%);
  gap: 18px;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-inline: contain;
  scroll-behavior: smooth;
  scroll-snap-type: inline proximity;
  padding-bottom: 16px;
  cursor: grab;
  scrollbar-color: rgba(15, 17, 20, 0.34) transparent;
  scrollbar-width: thin;
  touch-action: pan-x pan-y;
  -webkit-overflow-scrolling: touch;
}

.gallery-strip.is-dragging {
  cursor: grabbing;
  scroll-snap-type: none;
}

.gallery-strip figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
  scroll-snap-align: start;
  user-select: none;
}

.gallery-media {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  color: inherit;
  background: transparent;
  cursor: zoom-in;
  user-select: none;
}

.gallery-media img,
.gallery-strip img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  user-select: none;
  -webkit-user-drag: none;
}

.gallery-media span {
  position: absolute;
  right: 14px;
  bottom: 14px;
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 11px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 999px;
  color: var(--white);
  background: rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(14px);
  font-size: 12px;
  font-weight: 780;
  opacity: 0;
  transform: translateY(6px);
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.gallery-media:hover span,
.gallery-media:focus-visible span {
  opacity: 1;
  transform: translateY(0);
}

.gallery-strip figcaption {
  padding: 16px 18px;
  color: #4f555c;
  font-size: 13px;
  font-weight: 700;
}

.project-delta {
  padding-top: 110px;
  color: var(--ink);
  background: #f6f4f2;
}

.project-delta .project-copy h2,
.project-delta .project-lead {
  color: var(--ink);
}

.project-delta .project-lead {
  color: #555b63;
}

.delta-h5-intro {
  padding: 24px;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(219, 27, 46, 0.055), transparent 34%),
    rgba(255, 255, 255, 0.72);
  box-shadow: var(--soft-shadow);
}

.delta-h5-intro span {
  display: block;
  color: var(--red);
  font-size: 12px;
  font-weight: 860;
  text-transform: uppercase;
}

.delta-h5-intro p {
  margin: 12px 0 0;
  color: #363c43;
  font-size: 15px;
  line-height: 1.76;
}

.delta-h5-cta {
  margin-top: 0;
}

.gallery-shell-dark .gallery-head span {
  color: var(--red);
}

.gallery-shell-dark .gallery-head strong {
  color: #40464d;
}

.delta-strip {
  width: min(1180px, calc(100% - 40px));
  margin: 0;
  grid-auto-columns: minmax(280px, 28%);
}

.delta-strip figure {
  border-color: var(--line);
  background: var(--white);
}

.delta-strip img {
  width: 100%;
  height: 330px;
  object-fit: cover;
}

.delta-strip figcaption {
  color: #4f555c;
}

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

.data-news {
  padding: 110px 0 124px;
  background: #dcefeb;
}

.data-layout {
  align-items: center;
}

.data-copy {
  max-width: 620px;
}

.data-copy .strar-grid {
  margin-top: 18px;
}

.data-gallery-shell {
  width: 100%;
  margin: 0;
}

.data-strip {
  grid-auto-columns: minmax(360px, 74%);
}

.data-strip .gallery-media img {
  height: 430px;
}

.data-cta-panel {
  position: relative;
  margin-top: 26px;
  width: 100%;
  padding: clamp(8px, 1.5vw, 12px);
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: clamp(22px, 3vw, 30px);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.58), rgba(255, 255, 255, 0.18)),
    rgba(255, 255, 255, 0.22);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.74),
    0 28px 70px rgba(35, 95, 91, 0.18);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  backdrop-filter: blur(24px) saturate(150%);
  overflow: hidden;
}

.data-cta-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 0%, rgba(255, 255, 255, 0.76), transparent 34%),
    radial-gradient(circle at 92% 100%, rgba(130, 203, 198, 0.5), transparent 38%);
  pointer-events: none;
}

.liquid-link {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(12px, 2vw, 18px);
  width: 100%;
  min-height: clamp(72px, 9vw, 88px);
  padding: clamp(16px, 2.6vw, 22px);
  border: 1px solid rgba(15, 102, 92, 0.18);
  border-radius: clamp(18px, 2.5vw, 24px);
  color: #073f39;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.32)),
    rgba(255, 255, 255, 0.42);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.84),
    inset 0 -18px 44px rgba(130, 203, 198, 0.12);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  backdrop-filter: blur(18px) saturate(140%);
  overflow: hidden;
  isolation: isolate;
  transition:
    transform 220ms cubic-bezier(0.2, 0.78, 0.2, 1),
    box-shadow 220ms ease,
    border-color 220ms ease;
}

.liquid-link::before {
  content: "";
  position: absolute;
  inset: -80% auto auto -24%;
  width: 58%;
  height: 240%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.68), transparent);
  transform: rotate(18deg) translateX(-120%);
  transition: transform 620ms ease;
  z-index: -1;
}

.liquid-link:hover,
.liquid-link:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(15, 102, 92, 0.34);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.88),
    inset 0 -18px 48px rgba(130, 203, 198, 0.18),
    0 24px 50px rgba(15, 102, 92, 0.18);
}

.liquid-link:hover::before,
.liquid-link:focus-visible::before {
  transform: rotate(18deg) translateX(260%);
}

.liquid-link span {
  display: grid;
  gap: 6px;
  min-width: 0;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.2;
  font-weight: 850;
}

.liquid-link small {
  color: rgba(7, 63, 57, 0.68);
  font-size: 11px;
  line-height: 1;
  font-weight: 850;
  text-transform: uppercase;
}

.liquid-link strong {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: clamp(40px, 5vw, 48px);
  height: clamp(40px, 5vw, 48px);
  border-radius: 50%;
  color: var(--white);
  background: #073f39;
  font-size: 24px;
  line-height: 1;
  transition: transform 220ms ease;
}

.liquid-link:hover strong,
.liquid-link:focus-visible strong {
  transform: translateX(3px);
}

.capability {
  background: #f2eee6;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 48px;
}

.capability-grid article {
  min-height: 260px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.58);
}

.capability-grid h3,
.timeline h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.3;
}

.capability-grid p {
  margin: 18px 0 0;
  font-size: 16px;
}

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

.timeline {
  display: grid;
  gap: 14px;
}

.timeline article {
  padding: 28px;
}

.timeline article.featured-experience {
  padding: 34px;
  background:
    linear-gradient(135deg, rgba(219, 27, 46, 0.065), transparent 36%),
    rgba(255, 255, 255, 0.74);
  box-shadow: var(--soft-shadow);
}

.experience-company {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

.experience-company img {
  width: 132px;
  max-height: 58px;
  object-fit: contain;
}

.timeline time {
  display: block;
  margin-bottom: 12px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 820;
  text-transform: uppercase;
}

.timeline p {
  margin: 16px 0 0;
  font-size: 16px;
}

.experience-summary {
  max-width: 920px;
  color: #3c4249;
  font-size: 17px;
  line-height: 1.8;
}

.role-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.role-badges span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #3f454b;
  background: rgba(255, 255, 255, 0.66);
  font-size: 12px;
  font-weight: 760;
}

.experience-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 26px;
  border: 1px solid var(--line);
  background: var(--line);
}

.experience-facts div {
  min-height: 142px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.78);
}

.experience-facts strong {
  display: block;
  color: var(--ink);
  font-size: 26px;
  line-height: 1.08;
  font-weight: 850;
}

.experience-facts span {
  display: block;
  margin-top: 14px;
  color: #555b63;
  font-size: 14px;
  line-height: 1.62;
}

.experience-scope {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.experience-scope p {
  margin: 0;
}

.contact-section {
  padding: 138px 0;
  color: var(--ink);
  background: var(--paper);
  border-top: 1px solid var(--line);
}

.contact-inner {
  width: min(920px, calc(100% - 40px));
  margin: 0 auto;
}

.contact-inner h2 {
  max-width: 860px;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.contact-actions a {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
  font-weight: 760;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 24px;
  color: #6d737a;
  background: #ffffff;
  border-top: 1px solid var(--line);
  font-size: 12px;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 28px;
  background: rgba(4, 5, 6, 0.88);
  backdrop-filter: blur(20px);
}

.lightbox[hidden] {
  display: none;
}

.lightbox-panel {
  width: min(1180px, 100%);
  max-height: calc(100svh - 72px);
  margin: 0;
  display: grid;
  gap: 12px;
}

.lightbox-panel img {
  width: 100%;
  max-height: calc(100svh - 130px);
  object-fit: contain;
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.55);
}

.lightbox-panel figcaption {
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  line-height: 1.5;
}

.lightbox-close {
  position: fixed;
  top: 18px;
  right: 18px;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}

.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 720ms ease,
    transform 720ms cubic-bezier(0.2, 0.78, 0.2, 1);
}

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

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: auto 1fr auto;
  }

  .desktop-nav {
    display: none;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(240px, 34vw);
    gap: 32px;
    padding-top: 112px;
  }

  .hero-portrait img {
    height: min(58svh, 520px);
    min-height: 0;
  }

  .hero h1 {
    font-size: 64px;
  }

  .hero-line {
    font-size: 25px;
  }

  .intro-grid,
  .overview-layout,
  .project-layout,
  .research-grid,
  .data-layout,
  .system-grid,
  .timeline-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .project-copy {
    position: static;
  }

  .metric-track,
  .capability-grid,
  .hero-proof,
  .overview-projects,
  .work-map {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 700px) {
  .site-header {
    inset: 10px 10px auto;
    padding: 8px 9px 8px 12px;
  }

  .brand {
    width: 34px;
    height: 34px;
  }

  .nav-action {
    min-height: 34px;
    padding: 0 12px;
    font-size: 12px;
  }

  .hero-grid {
    width: calc(100% - 28px);
    grid-template-columns: minmax(0, 1fr) minmax(132px, 34vw);
    gap: 16px;
    padding: 96px 0 54px;
    align-items: start;
  }

  .hero-portrait img {
    height: min(48svh, 390px);
  }

  .hero h1 {
    font-size: 44px;
  }

  .hero-line {
    font-size: 18px;
  }

  .hero-meta a,
  .hero-meta span {
    font-size: 12px;
  }

  .primary-link,
  .secondary-link {
    width: 100%;
  }

  .section-pad {
    padding: 82px 0;
  }

  .section-inner,
  .gallery-shell {
    width: calc(100% - 28px);
  }

  .section-heading h2,
  .project-copy h2,
  .contact-inner h2 {
    font-size: 34px;
  }

  .chapter-cover,
  .case-cover {
    min-height: 48svh;
    padding: 86px 0 62px;
  }

  .chapter-inner {
    width: calc(100% - 28px);
  }

  .chapter-inner h2 {
    font-size: 40px;
  }

  .chapter-inner p {
    font-size: 16px;
  }

  .section-heading p,
  .intro-copy p,
  .project-lead,
  .research-section p,
  .data-layout p,
  .timeline p,
  .capability-grid p {
    font-size: 15px;
  }

  .project-lead {
    font-size: 17px;
  }

  .metric-track,
  .profile-columns,
  .method-board,
  .fact-grid,
  .experience-facts,
  .overview-projects,
  .hero-proof,
  .capability-grid,
  .work-map {
    grid-template-columns: 1fr;
  }

  .overview-card-featured,
  .experience-company {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .overview-projects a,
  .overview-projects a:nth-child(2n),
  .overview-projects a:nth-last-child(-n + 2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .overview-projects a:last-child {
    border-bottom: 0;
  }

  .metric-track div {
    min-height: 112px;
  }

  .hero-proof div,
  .profile-columns article,
  .method-board article,
  .fact-grid article,
  .experience-facts div {
    min-height: auto;
  }

  .strar-grid article,
  .strar-grid.compact article {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .gallery-strip {
    grid-auto-columns: 84%;
    margin-top: 0;
  }

  .gallery-shell {
    margin-top: 54px;
  }

  .gallery-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .gallery-strip img {
    height: 310px;
  }

  .data-strip .gallery-media img {
    height: 310px;
  }

  .project {
    padding-bottom: 76px;
  }

  .project-delta {
    padding-top: 76px;
  }

  .delta-strip img {
    height: 420px;
  }

  .capability-grid article {
    min-height: auto;
  }

  .contact-section {
    padding: 96px 0;
  }

  .data-cta-panel {
    margin-top: 22px;
    padding: 9px;
  }

  .liquid-link {
    min-height: 74px;
    padding: 16px;
  }

  .liquid-link span {
    font-size: 18px;
  }

  .liquid-link strong {
    width: 40px;
    height: 40px;
    font-size: 21px;
  }

  .lightbox {
    padding: 14px;
  }

  .lightbox-close {
    top: 10px;
    right: 10px;
  }

  .contact-inner {
    width: calc(100% - 28px);
  }

  .contact-actions a {
    width: 100%;
    justify-content: center;
  }

  .site-footer {
    flex-direction: column;
  }
}

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

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

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