:root {
  --ink: #10251b;
  --forest: #0a2117;
  --forest-2: #123326;
  --paper: #f3f0e6;
  --paper-deep: #e8e3d5;
  --mint: #a9e5c3;
  --acid: #d7f4b0;
  --muted: #637067;
  --line: rgba(16, 37, 27, 0.15);
  --line-light: rgba(243, 240, 230, 0.18);
  --white: #fbfaf4;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
  --sans: Inter, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", "IBM Plex Mono", Menlo, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 86px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  overflow-x: hidden;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background:
    radial-gradient(circle at 80% -10%, rgba(169, 229, 195, 0.23), transparent 30%),
    radial-gradient(circle at -10% 30%, rgba(255, 255, 255, 0.4), transparent 30%);
}

::selection {
  color: var(--forest);
  background: var(--mint);
}

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

img,
svg {
  display: block;
}

button,
input {
  font: inherit;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  color: var(--paper);
  background: var(--forest);
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

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

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 38px;
  width: 100%;
  max-width: 1440px;
  margin: auto;
  padding: 22px 44px;
  transition: padding 200ms ease, background 200ms ease, box-shadow 200ms ease;
}

.site-header.is-scrolled {
  padding-top: 14px;
  padding-bottom: 14px;
  background: rgba(243, 240, 230, 0.86);
  box-shadow: 0 1px 0 rgba(16, 37, 27, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  white-space: nowrap;
}

.brand-mark {
  width: 34px;
  height: 34px;
  color: currentColor;
}

.brand-cn {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-en {
  align-self: flex-end;
  margin-bottom: 3px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.desktop-nav {
  display: flex;
  gap: 28px;
  margin-left: auto;
}

.desktop-nav a,
.header-cta {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: color 160ms ease;
}

.desktop-nav a:hover,
.header-cta:hover {
  color: var(--ink);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.header-cta span {
  color: var(--muted);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 1.5px;
  margin: 4px 0;
  background: var(--ink);
  transition: transform 180ms ease;
}

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  align-content: center;
  gap: 8px;
  padding: 42px;
  background: var(--paper);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-12px);
  transition: opacity 200ms ease, transform 200ms ease;
}

.mobile-menu.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.mobile-menu a {
  padding: 10px 0;
  font-family: var(--serif);
  font-size: clamp(28px, 8vw, 46px);
  font-weight: 600;
  border-bottom: 1px solid var(--line);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(380px, 0.92fr);
  gap: 48px;
  width: 100%;
  max-width: 1440px;
  min-height: 100svh;
  margin: auto;
  padding: 160px 44px 86px;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 690px;
}

.eyebrow,
.section-index {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 30px;
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 0 0 4px rgba(16, 37, 27, 0.08);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.055em;
}

h1 {
  margin-bottom: 27px;
  font-size: clamp(58px, 7.1vw, 112px);
  line-height: 0.98;
}

h1 em,
h2 em {
  color: #3c7358;
  font-style: normal;
}

.hero-lead {
  max-width: 475px;
  margin-bottom: 34px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  min-width: 190px;
  padding: 14px 17px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease;
}

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

.button-dark {
  color: var(--paper);
  background: var(--forest);
}

.button-dark:hover {
  background: #173e2b;
}

.button span,
.quiet-link span,
.text-link span {
  font-size: 16px;
}

.quiet-link,
.text-link {
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  border-bottom: 1px solid var(--line);
  padding-bottom: 4px;
  transition: border-color 160ms ease;
}

.quiet-link:hover,
.text-link:hover {
  border-color: var(--ink);
}

.hero-foot {
  display: flex;
  gap: 34px;
  margin-top: 72px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 570px;
}

.orbit {
  position: absolute;
  border: 1px solid rgba(16, 37, 27, 0.14);
  border-radius: 50%;
  pointer-events: none;
}

.orbit-one {
  width: min(38vw, 510px);
  height: min(38vw, 510px);
}

.orbit-two {
  width: min(27vw, 360px);
  height: min(27vw, 360px);
  border-color: rgba(16, 37, 27, 0.09);
}

.orbit-one::after,
.orbit-two::after {
  position: absolute;
  width: 7px;
  height: 7px;
  content: "";
  border-radius: 50%;
  background: var(--ink);
}

.orbit-one::after {
  top: 17%;
  right: 9%;
}

.orbit-two::after {
  bottom: 7%;
  left: 23%;
  background: #4a896b;
}

.hero-seal {
  position: absolute;
  top: 10%;
  right: 9%;
  display: grid;
  place-items: center;
  width: 92px;
  height: 92px;
  padding: 11px;
  color: var(--forest);
  text-align: center;
  border: 1px solid rgba(16, 37, 27, 0.25);
  border-radius: 50%;
  transform: rotate(9deg);
}

.hero-seal span {
  font-family: var(--serif);
  font-size: 29px;
  line-height: 1;
}

.hero-seal small {
  font-family: var(--mono);
  font-size: 6px;
  line-height: 1.35;
  letter-spacing: 0.08em;
}

.record-card.is-settling {
  transition: transform 550ms cubic-bezier(0.16, 1, 0.3, 1);
}

.record-card {
  position: relative;
  z-index: 2;
  width: min(82%, 370px);
  padding: 22px;
  color: #f3f0e6;
  background: var(--forest);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  box-shadow: 0 28px 70px rgba(16, 37, 27, 0.22);
  transform: perspective(900px) rotateX(3deg) rotateY(-7deg);
  transition: transform 160ms ease-out;
  --glow-x: 30%;
  --glow-y: 20%;
}

.record-card::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background:
    radial-gradient(260px circle at var(--glow-x) var(--glow-y), rgba(215, 244, 176, 0.18), transparent 58%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent 36%);
  transition: background 120ms ease;
}

.record-head,
.record-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.record-kicker,
.live-pill,
.record-number,
.record-meta dt,
.record-foot,
.visual-note,
.pillar-no,
.pillar-tag,
.metric small,
.source-mark,
.vital-kicker,
.soon-pill,
.contact-note,
.site-footer,
.graphic-card span,
.graphic-card small {
  font-family: var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.record-kicker {
  color: rgba(243, 240, 230, 0.57);
  font-size: 8px;
}

.live-pill {
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--mint);
  font-size: 7px;
}

.live-pill i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 3px rgba(169, 229, 195, 0.12);
}

.record-number {
  margin: 32px 0 11px;
  color: var(--mint);
  font-size: 9px;
}

.record-card h2 {
  margin-bottom: 25px;
  font-family: var(--serif);
  font-size: clamp(28px, 3.1vw, 42px);
  line-height: 1.2;
  letter-spacing: -0.06em;
}

.record-divider {
  width: 100%;
  height: 1px;
  margin-bottom: 18px;
  background: var(--line-light);
}

.record-meta {
  display: grid;
  gap: 12px;
  margin: 0 0 29px;
}

.record-meta div {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 10px;
}

.record-meta dt,
.record-meta dd {
  margin: 0;
  font-size: 9px;
  line-height: 1.45;
}

.record-meta dt {
  color: rgba(243, 240, 230, 0.44);
}

.record-meta dd {
  color: rgba(243, 240, 230, 0.88);
}

.record-foot {
  align-items: flex-end;
  padding-top: 13px;
  color: rgba(243, 240, 230, 0.4);
  font-size: 7px;
  line-height: 1.6;
}

.record-foot strong {
  color: var(--acid);
  font-family: var(--serif);
  font-size: 16px;
  letter-spacing: 0;
}

.visual-note {
  position: absolute;
  right: 0;
  bottom: 11%;
  z-index: 3;
  width: 140px;
  padding-left: 14px;
  border-left: 1px solid var(--ink);
}

.note-index {
  display: block;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 9px;
}

.visual-note p {
  margin: 0;
  font-family: var(--serif);
  font-size: 14px;
  line-height: 1.45;
}

.section-pad {
  width: 100%;
  max-width: 1440px;
  margin: auto;
  padding: 120px 44px;
}

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

.statement-grid,
.principles-grid {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 80px;
  margin-top: 66px;
}

.statement h2,
.section-heading h2,
.principles-grid h2 {
  max-width: 650px;
  margin-bottom: 0;
  font-size: clamp(42px, 5.2vw, 84px);
  line-height: 1.05;
}

.statement-copy {
  max-width: 390px;
  padding-top: 9px;
}

.statement-copy p {
  margin-bottom: 19px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.statement-copy .large-copy {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.55;
}

.statement-copy .text-link {
  display: inline-block;
  margin-top: 8px;
}

.work {
  padding-top: 90px;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 50px;
  margin: 64px 0 64px;
}

.section-heading p {
  max-width: 270px;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.pillar {
  position: relative;
  min-height: 360px;
  padding: 25px;
  border: 1px solid var(--line);
  transition: background 220ms ease, transform 220ms ease;
}

.pillar:hover {
  background: rgba(255, 255, 255, 0.32);
  transform: translateY(-5px);
}

.pillar-no {
  color: var(--muted);
  font-size: 9px;
}

.pillar-icon {
  width: 42px;
  height: 42px;
  margin: 51px 0 27px;
  color: #3b7358;
}

.pillar-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.25;
}

.pillar h3 {
  margin-bottom: 10px;
  font-family: var(--serif);
  font-size: 25px;
  font-weight: 600;
  letter-spacing: -0.04em;
}

.pillar p {
  max-width: 285px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.pillar-tag {
  position: absolute;
  bottom: 25px;
  left: 25px;
  color: #44755c;
  font-size: 8px;
}

.data-section {
  color: #f3f0e6;
  background: var(--forest);
}

.data-inner {
  width: 100%;
  max-width: 1440px;
  margin: auto;
  padding: 96px 44px 52px;
}

.section-index.light {
  color: rgba(243, 240, 230, 0.48);
}

.data-heading {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 60px;
  align-items: end;
  margin: 74px 0 74px;
}

.data-heading h2 {
  max-width: 560px;
  margin: 0;
  color: #f3f0e6;
  font-size: clamp(48px, 6vw, 92px);
  line-height: 1.02;
}

.data-heading p {
  max-width: 300px;
  margin-bottom: 7px;
  color: rgba(243, 240, 230, 0.55);
  font-size: 13px;
  line-height: 1.8;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-light);
}

.metric {
  padding: 26px 24px 32px 0;
  border-right: 1px solid var(--line-light);
}

.metric + .metric {
  padding-left: 24px;
}

.metric:last-child {
  border-right: 0;
}

.metric strong {
  display: block;
  color: var(--acid);
  font-family: var(--serif);
  font-size: clamp(44px, 5.5vw, 80px);
  font-weight: 500;
  letter-spacing: -0.08em;
  line-height: 1;
}

.metric span {
  display: block;
  margin-top: 14px;
  color: #f3f0e6;
  font-family: var(--serif);
  font-size: 16px;
}

.metric small {
  display: block;
  margin-top: 3px;
  color: rgba(243, 240, 230, 0.34);
  font-size: 8px;
}

.data-foot {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 26px;
  color: rgba(243, 240, 230, 0.38);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.06em;
}

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

.principle-list li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 18px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.principle-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.principle-list > li > span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
}

.principle-list h3 {
  margin: 0 0 4px;
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 600;
}

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

.vital {
  display: grid;
  grid-template-columns: 1fr 0.75fr;
  gap: 80px;
  align-items: center;
  padding-top: 130px;
  padding-bottom: 140px;
}

.vital-copy {
  max-width: 590px;
}

.vital-kicker {
  margin: 70px 0 20px;
  color: #3e765a;
  font-size: 9px;
}

.vital h2 {
  margin-bottom: 24px;
  font-size: clamp(43px, 5.3vw, 78px);
  line-height: 1.07;
}

.vital-lead {
  max-width: 450px;
  margin-bottom: 26px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.vital-list {
  margin: 0 0 32px;
  padding: 0;
  list-style: none;
}

.vital-list li {
  padding: 9px 0;
  color: var(--ink);
  font-size: 13px;
  border-bottom: 1px solid var(--line);
}

.vital-list span {
  display: inline-block;
  width: 22px;
  color: #4c8b6d;
}

.soon-pill {
  display: inline-block;
  padding: 7px 11px;
  color: #347052;
  background: rgba(169, 229, 195, 0.44);
  border-radius: 999px;
  font-size: 8px;
}

.vital-graphic {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 500px;
}

.graphic-ring {
  position: absolute;
  width: min(35vw, 470px);
  height: min(35vw, 470px);
  border: 1px solid var(--line);
  border-radius: 50%;
}

.graphic-ring::before,
.graphic-ring::after {
  position: absolute;
  content: "";
  border-radius: 50%;
  background: var(--ink);
}

.graphic-ring::before {
  top: 8%;
  right: 16%;
  width: 6px;
  height: 6px;
}

.graphic-ring::after {
  bottom: 10%;
  left: 11%;
  width: 4px;
  height: 4px;
  background: #4c8b6d;
}

.graphic-card {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  width: min(72%, 285px);
  min-height: 365px;
  padding: 25px;
  color: var(--forest);
  background: var(--mint);
  border-radius: 3px;
  box-shadow: 18px 18px 0 rgba(16, 37, 27, 0.08);
  transform: rotate(5deg);
}

.graphic-card span {
  font-size: 8px;
}

.graphic-card strong {
  margin-top: 37px;
  font-family: var(--serif);
  font-size: 44px;
  letter-spacing: -0.08em;
}

.graphic-card p {
  margin: auto 0 22px;
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.2;
}

.graphic-card small {
  font-size: 8px;
}

.contact {
  color: #f3f0e6;
  background: var(--forest);
}

.contact > .section-index {
  width: 100%;
  max-width: 1440px;
  margin: auto;
  padding: 78px 44px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 0.72fr;
  gap: 80px;
  align-items: end;
  width: 100%;
  max-width: 1440px;
  margin: auto;
  padding: 65px 44px 100px;
}

.contact h2 {
  max-width: 760px;
  margin: 0;
  color: #f3f0e6;
  font-size: clamp(45px, 6.2vw, 100px);
  line-height: 1.03;
}

.contact h2 em {
  color: var(--mint);
}

.contact-copy {
  max-width: 300px;
}

.contact-copy p {
  color: rgba(243, 240, 230, 0.54);
  font-size: 13px;
}

.contact-mail {
  display: inline-block;
  white-space: nowrap;
  margin: 20px 0;
  color: var(--acid);
  font-family: var(--serif);
  font-size: clamp(20px, 2.4vw, 33px);
  border-bottom: 1px solid rgba(215, 244, 176, 0.45);
}

.contact-mail span {
  margin-left: 8px;
  font-family: var(--sans);
  font-size: 18px;
}

.contact-note {
  margin: 0;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.04em;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  max-width: 1440px;
  margin: auto;
  padding: 21px 44px 27px;
  color: rgba(243, 240, 230, 0.43);
  border-top: 1px solid var(--line-light);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.02em;
  text-transform: none;
}

.footer-brand {
  color: var(--paper);
}

.footer-brand .brand-mark {
  width: 28px;
  height: 28px;
}

.footer-brand .brand-cn {
  font-size: 18px;
}

.footer-brand .brand-en {
  display: none;
}

.site-footer a:not(.brand):hover,
.contact-mail:hover {
  color: var(--paper);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms cubic-bezier(0.2, 0.7, 0.2, 1), transform 700ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

@media (max-width: 980px) {
  .site-header {
    gap: 20px;
    padding: 18px 24px;
  }

  .desktop-nav,
  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: block;
    margin-left: auto;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 55px;
    padding: 135px 24px 70px;
  }

  .hero-copy {
    max-width: 650px;
  }

  .hero-visual {
    min-height: 490px;
  }

  .orbit-one {
    width: min(62vw, 430px);
    height: min(62vw, 430px);
  }

  .orbit-two {
    width: min(44vw, 300px);
    height: min(44vw, 300px);
  }

  .hero-seal {
    top: 4%;
    right: 8%;
  }

  .section-pad {
    padding: 90px 24px;
  }

  .statement-grid,
  .principles-grid,
  .data-heading,
  .vital,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 22px;
    margin: 45px 0;
  }

  .section-heading p {
    max-width: 370px;
  }

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

  .pillar {
    min-height: 270px;
  }

  .pillar-icon {
    margin-top: 30px;
  }

  .data-inner {
    padding: 75px 24px 35px;
  }

  .data-heading {
    margin: 45px 0;
  }

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

  .metric,
  .metric + .metric {
    padding: 22px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line-light);
  }

  .metric:last-child {
    border-bottom: 0;
  }

  .data-foot {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }

  .vital {
    gap: 60px;
    padding-top: 90px;
    padding-bottom: 90px;
  }

  .vital-graphic {
    min-height: 390px;
  }

  .graphic-ring {
    width: min(68vw, 390px);
    height: min(68vw, 390px);
  }

  .contact > .section-index {
    padding: 65px 24px 0;
  }

  .contact-grid {
    padding: 48px 24px 70px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    padding: 20px 24px 24px;
  }
}

@media (max-width: 540px) {
  .brand-cn {
    font-size: 20px;
  }

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

  h1 {
    font-size: clamp(48px, 16vw, 76px);
  }

  .hero-lead {
    font-size: 14px;
  }

  .hero-foot {
    margin-top: 48px;
  }

  .hero-visual {
    min-height: 400px;
  }

  .record-card {
    width: calc(100% - 36px);
    margin-left: 18px;
    padding: 17px;
  }

  .record-card h2 {
    font-size: 28px;
  }

  .hero-seal {
    display: none;
  }

  .visual-note {
    right: 0;
    bottom: 4%;
    width: 108px;
  }

  .visual-note p {
    font-size: 11px;
  }

  .statement h2,
  .section-heading h2,
  .principles-grid h2,
  .vital h2 {
    font-size: clamp(38px, 12vw, 57px);
  }

  .statement-copy .large-copy {
    font-size: 19px;
  }

  .contact h2 {
    font-size: clamp(40px, 13vw, 66px);
  }

  .contact-mail {
    font-size: 20px;
  }

  .graphic-card {
    width: 74%;
    padding: 19px;
  }
}

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

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

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* ── Theme system and finishing details ───────────────────────────── */

:root {
  --header-bg: rgba(243, 240, 230, 0.86);
  --surface-soft: rgba(255, 255, 255, 0.34);
  --grid-line: rgba(16, 37, 27, 0.055);
  --theme-ring: rgba(16, 37, 27, 0.18);
  color-scheme: light;
}

[data-theme="dark"] {
  --ink: #edf4e9;
  --forest: #0b2419;
  --forest-2: #102f20;
  --paper: #06110c;
  --paper-deep: #0b1c14;
  --muted: #91a496;
  --line: rgba(237, 245, 236, 0.16);
  --line-light: rgba(237, 245, 236, 0.18);
  --white: #f7f8ef;
  --header-bg: rgba(6, 17, 12, 0.84);
  --surface-soft: rgba(169, 229, 195, 0.07);
  --grid-line: rgba(237, 245, 236, 0.055);
  --theme-ring: rgba(169, 229, 195, 0.28);
  color-scheme: dark;
}

body::before {
  background:
    radial-gradient(circle at 80% -10%, rgba(169, 229, 195, 0.23), transparent 30%),
    radial-gradient(circle at -10% 30%, rgba(255, 255, 255, 0.35), transparent 30%);
}

body::after {
  position: fixed;
  inset: 0;
  z-index: 90;
  pointer-events: none;
  content: "";
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

[data-theme="dark"] body::before {
  background:
    radial-gradient(circle at 82% -10%, rgba(169, 229, 195, 0.13), transparent 32%),
    radial-gradient(circle at -10% 36%, rgba(109, 178, 135, 0.09), transparent 30%);
}

[data-theme="dark"] body::after {
  opacity: 0.035;
  mix-blend-mode: screen;
}

.site-header.is-scrolled {
  background: var(--header-bg);
  box-shadow: 0 1px 0 var(--line);
}

.mobile-menu {
  background: var(--paper);
}

.theme-toggle {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-left: 2px;
  color: var(--muted);
  border: 1px solid var(--theme-ring);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  transition: color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.theme-toggle:hover {
  color: var(--ink);
  border-color: var(--ink);
  transform: rotate(10deg);
}

.theme-icon {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.theme-icon-sun {
  display: none;
}

[data-theme="dark"] .theme-icon-moon {
  display: none;
}

[data-theme="dark"] .theme-icon-sun {
  display: block;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 80;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #4e9a71, var(--acid));
  box-shadow: 0 0 14px rgba(169, 229, 195, 0.38);
  pointer-events: none;
}

.hero {
  position: relative;
}

.hero::before {
  position: absolute;
  inset: 112px 44px 36px;
  pointer-events: none;
  content: "";
  opacity: 0.9;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 72%);
}

.hero-copy,
.hero-visual {
  position: relative;
  z-index: 1;
}

.hero-seal {
  border-color: var(--line);
}

.orbit {
  border-color: var(--line);
}

.record-card {
  border-color: var(--line-light);
  box-shadow: 0 32px 80px rgba(16, 37, 27, 0.2);
}

.record-card::after {
  position: absolute;
  right: 22px;
  bottom: 62px;
  width: 82px;
  height: 22px;
  content: "";
  opacity: 0.24;
  background: repeating-linear-gradient(
    90deg,
    var(--mint) 0 1px,
    transparent 1px 3px,
    var(--mint) 3px 4px,
    transparent 4px 8px
  );
}

[data-theme="dark"] .record-card {
  background: var(--forest-2);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .button-dark {
  color: var(--forest);
  background: var(--mint);
}

[data-theme="dark"] .button-dark:hover {
  background: var(--acid);
}

[data-theme="dark"] .pillar:hover {
  background: var(--surface-soft);
}

[data-theme="dark"] .pillar-icon {
  color: var(--mint);
}

[data-theme="dark"] .data-section,
[data-theme="dark"] .contact {
  border-top: 1px solid var(--line-light);
  background: #0a1e15;
}

[data-theme="dark"] .soon-pill {
  color: var(--acid);
  background: rgba(169, 229, 195, 0.1);
}

[data-theme="dark"] .hero-seal {
  color: var(--ink);
}


@media (max-width: 980px) {
  .hero::before {
    inset: 100px 24px 20px;
    background-size: 64px 64px;
  }

  .theme-toggle {
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 540px) {
  .site-header {
    gap: 10px;
  }

  .theme-toggle {
    width: 38px;
    height: 38px;
  }
}

[data-theme="dark"] h1 em,
[data-theme="dark"] h2 em {
  color: var(--mint);
}

[data-theme="dark"] .data-section,
[data-theme="dark"] .contact {
  color: #f3f0e6;
}

/* 3D depth layer */
.hero-visual {
  perspective: 1200px;
  transform-style: preserve-3d;
}

.hero-lattice {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  opacity: 0.9;
  pointer-events: none;
}

.visual-aura {
  position: absolute;
  z-index: 0;
  width: min(58%, 330px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(169, 229, 195, 0.3), rgba(169, 229, 195, 0.05) 47%, transparent 70%);
  filter: blur(8px);
  pointer-events: none;
}

[data-theme="dark"] .hero-lattice {
  opacity: 0.95;
}

[data-theme="dark"] .visual-aura {
  background: radial-gradient(circle, rgba(169, 229, 195, 0.17), rgba(169, 229, 195, 0.03) 47%, transparent 70%);
}

.orbit {
  z-index: 1;
}

.orbit-one {
  animation: orbit-drift 28s linear infinite;
}

.orbit-two {
  animation: orbit-drift-reverse 36s linear infinite;
}

.hero-seal {
  z-index: 3;
}

.record-card {
  z-index: 4;
  will-change: transform;
}

.visual-note {
  z-index: 5;
}

@keyframes orbit-drift {
  to {
    transform: rotate(360deg);
  }
}

@keyframes orbit-drift-reverse {
  to {
    transform: rotate(-360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .orbit-one,
  .orbit-two {
    animation: none;
  }
}

@media (max-width: 540px) {
  .hero-lattice {
    opacity: 0.65;
  }

  .visual-aura {
    width: 58%;
  }
}

/* Layered product still life */
.vital-graphic {
  perspective: 1000px;
}

.graphic-stack {
  position: relative;
  z-index: 1;
  width: min(72%, 285px);
  min-height: 365px;
  transform-style: preserve-3d;
}

.graphic-stack .graphic-card {
  position: relative;
  z-index: 3;
  width: 100%;
  min-height: 365px;
  transform: rotate(5deg) translateZ(26px);
  transform-style: preserve-3d;
  transition: transform 500ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.graphic-back {
  position: absolute;
  inset: 0;
  z-index: 1;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: rgba(169, 229, 195, 0.08);
  transform-origin: center;
}

.graphic-back-one {
  transform: rotate(1deg) translate3d(-16px, 14px, -18px);
}

.graphic-back-two {
  z-index: 0;
  background: transparent;
  transform: rotate(-3deg) translate3d(-31px, 27px, -42px);
}

.vital-graphic:hover .graphic-card {
  transform: rotate(2deg) translate3d(0, -8px, 42px);
}

[data-theme="dark"] .graphic-back {
  background: rgba(169, 229, 195, 0.055);
  border-color: rgba(169, 229, 195, 0.22);
}

@media (max-width: 540px) {
  .graphic-stack {
    width: 74%;
  }

  .graphic-stack .graphic-card {
    min-height: 365px;
  }
}

/* Bento work layout and data-story ring */
.pillars {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.pillar-feature {
  position: relative;
  grid-column: 1 / -1;
  min-height: 310px;
  padding-right: min(42%, 390px);
  overflow: hidden;
}

.pillar-feature .pillar-icon {
  margin-top: 31px;
}

.pillar-feature p {
  max-width: 390px;
}

.record-mini {
  position: absolute;
  top: 50%;
  right: 28px;
  display: flex;
  flex-direction: column;
  width: min(34%, 325px);
  min-height: 190px;
  padding: 18px;
  color: #f3f0e6;
  background: var(--forest);
  border: 1px solid var(--line-light);
  border-radius: 3px;
  box-shadow: 0 24px 45px rgba(16, 37, 27, 0.16);
  transform: translateY(-50%) rotate(2deg);
}

.record-mini span,
.record-mini small {
  color: rgba(243, 240, 230, 0.45);
  font-family: var(--mono);
  font-size: 7px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.record-mini strong {
  margin-top: auto;
  color: var(--mint);
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.03em;
}

.record-mini i {
  display: block;
  width: 100%;
  height: 1px;
  margin: 16px 0 8px;
  background: var(--line-light);
}

.record-mini small {
  font-size: 6px;
}

[data-theme="dark"] .record-mini {
  background: var(--forest-2);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.38);
}

.data-viz {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 70px;
  align-items: center;
  margin: 0 0 58px;
  padding: 40px 0 48px;
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.status-ring {
  position: relative;
  width: 240px;
  height: 240px;
}

.status-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.ring-track,
.ring-segment {
  fill: none;
  stroke-width: 10;
}

.ring-track {
  stroke: rgba(243, 240, 230, 0.1);
}

.ring-valid {
  stroke: var(--acid);
}

.ring-renewing {
  stroke: var(--mint);
}

.ring-expired {
  stroke: #718a7b;
}

.ring-unknown {
  stroke: #3a5143;
}

.ring-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.ring-center strong {
  color: var(--acid);
  font-family: var(--serif);
  font-size: 34px;
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 1;
}

.ring-center span {
  margin-top: 5px;
  color: rgba(243, 240, 230, 0.48);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.1em;
}

.status-legend {
  max-width: 500px;
}

.legend-row {
  display: grid;
  grid-template-columns: 10px 1fr auto;
  gap: 13px;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-light);
  color: rgba(243, 240, 230, 0.64);
  font-size: 12px;
}

.legend-row i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.legend-row strong {
  color: #f3f0e6;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
}

.legend-valid i {
  background: var(--acid);
}

.legend-renewing i {
  background: var(--mint);
}

.legend-expired i {
  background: #718a7b;
}

.legend-unknown i {
  background: #3a5143;
}

.status-legend p {
  margin: 20px 0 0;
  color: rgba(243, 240, 230, 0.45);
  font-size: 11px;
  line-height: 1.7;
}

.status-legend p strong {
  color: var(--mint);
  font-weight: 500;
}

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

  .pillar-feature {
    grid-column: auto;
    padding-right: 25px;
  }

  .record-mini {
    position: relative;
    top: auto;
    right: auto;
    width: 100%;
    min-height: 170px;
    margin-top: 25px;
    transform: rotate(1deg);
  }

  .data-viz {
    grid-template-columns: 1fr;
    gap: 30px;
    justify-items: center;
  }

  .status-legend {
    width: 100%;
    max-width: 420px;
  }

  .status-ring {
    width: 220px;
    height: 220px;
  }
}

@media (max-width: 540px) {
  .status-ring {
    width: 190px;
    height: 190px;
  }

  .ring-center strong {
    font-size: 28px;
  }
}

/* The card rotates inside a static hit stage so its bounding box never
   chases the pointer or triggers pointerleave against itself. */
.card-stage {
  position: relative;
  z-index: 4;
  width: min(82%, 370px);
}

.card-stage .record-card {
  width: 100%;
  margin: 0;
}

@media (max-width: 540px) {
  .card-stage {
    width: calc(100% - 36px);
    margin-left: 18px;
  }

  .card-stage .record-card {
    width: 100%;
    margin-left: 0;
  }
}

/* Company scope, founder team, and principle quote */
.scope-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 14px;
  margin-top: 56px;
}

.scope-card {
  padding: 25px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.18);
}

.scope-card-muted {
  background: transparent;
}

.scope-kicker {
  display: block;
  margin-bottom: 32px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.12em;
}

.scope-card h3 {
  max-width: 400px;
  margin-bottom: 12px;
  font-family: var(--serif);
  font-size: clamp(24px, 2.5vw, 33px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.04em;
}

.scope-card p,
.scope-card li {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.scope-card p {
  max-width: 420px;
  margin: 0;
}

.scope-card ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.scope-card li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 7px;
}

.scope-card li::before {
  color: #4e9a71;
  content: "—";
}

.principle-quote {
  margin: 68px 0 0;
  padding: 34px 0 0;
  border-top: 1px solid var(--line);
}

.principle-quote p {
  max-width: 720px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(29px, 3.7vw, 54px);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.05em;
}

.principle-quote cite {
  display: block;
  margin-top: 20px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 8px;
  font-style: normal;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

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

.team-heading {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 80px;
  align-items: end;
  margin: 64px 0 58px;
}

.team-heading h2 {
  max-width: 620px;
  margin: 0;
  font-size: clamp(45px, 5.8vw, 84px);
  line-height: 1.04;
}

.team-heading p {
  max-width: 320px;
  margin: 0 0 7px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

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

.team-card {
  position: relative;
  min-height: 285px;
  padding: 24px;
  border: 1px solid var(--line);
  transition: background 200ms ease, transform 200ms ease;
}

.team-card:hover {
  background: var(--surface-soft);
  transform: translateY(-4px);
}

.team-number {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 8px;
}

.team-initial {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  margin: 46px 0 24px;
  color: var(--forest);
  background: var(--mint);
  border-radius: 50%;
  font-family: var(--serif);
  font-size: 29px;
  line-height: 1;
}

.team-card h3 {
  margin: 0 0 3px;
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.04em;
}

.team-role {
  margin: 0 0 18px;
  color: #4e8d6e;
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.team-focus {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

[data-theme="dark"] .scope-card {
  background: var(--surface-soft);
}

[data-theme="dark"] .team-initial {
  color: var(--forest);
}

@media (max-width: 980px) {
  .scope-grid,
  .team-heading,
  .team-grid {
    grid-template-columns: 1fr;
  }

  .scope-grid {
    margin-top: 38px;
  }

  .scope-kicker {
    margin-bottom: 22px;
  }

  .team-heading {
    gap: 22px;
    margin: 45px 0;
  }

  .team-grid {
    gap: 10px;
  }

  .team-card {
    min-height: 220px;
  }

  .team-initial {
    margin-top: 28px;
  }
}

@media (max-width: 540px) {
  .scope-card {
    padding: 19px;
  }

  .principle-quote {
    margin-top: 42px;
  }

  .team-card {
    min-height: 210px;
  }
}

.back-to-top {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 45;
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 50%;
  box-shadow: 0 14px 34px rgba(16, 37, 27, 0.14);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 220ms ease, visibility 220ms ease, transform 220ms ease, background 180ms ease, color 180ms ease;
}

.back-to-top svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

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

.back-to-top:hover {
  color: var(--paper);
  background: var(--forest);
}

[data-theme="dark"] .back-to-top {
  color: var(--paper);
  background: var(--forest-2);
  border-color: var(--line-light);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.35);
}

[data-theme="dark"] .back-to-top:hover {
  color: var(--forest);
  background: var(--mint);
}

@media (max-width: 540px) {
  .back-to-top {
    right: 18px;
    bottom: 18px;
    width: 44px;
    height: 44px;
  }
}