:root {
  color-scheme: light;
  --paper: #f4f0e8;
  --paper-deep: #e7e0d3;
  --ink: #151713;
  --muted: #62655c;
  --line: #c7c2b7;
  --acid: #d9ff57;
  --forest: #173f33;
  --white: #fffdf7;
  --max: 1180px;
  --gutter: clamp(1.25rem, 4vw, 4rem);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  background: var(--ink);
  color: var(--white);
  transform: translateY(-150%);
}

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

.site-header,
main,
footer {
  width: min(100%, var(--max));
  margin-inline: auto;
}

.site-header {
  min-height: 96px;
  padding: 1.25rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-mark {
  width: 38px;
  height: 38px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
}

.brand-mark circle {
  fill: var(--acid);
}

.brand span {
  display: grid;
  line-height: 1.08;
}

.brand strong {
  font-size: 0.84rem;
  letter-spacing: 0.15em;
}

.brand small {
  margin-top: 0.3rem;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
}

nav {
  display: flex;
  gap: clamp(1rem, 3vw, 2.5rem);
}

nav a,
.text-link {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.35rem;
}

nav a:not(:hover):not(:focus-visible) {
  text-decoration-color: transparent;
}

.hero {
  min-height: 690px;
  padding: clamp(4.5rem, 10vw, 8.5rem) var(--gutter) clamp(5rem, 10vw, 8rem);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 7rem);
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 1.4rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

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

h1 {
  margin-bottom: 2rem;
  font-family: Georgia, "Times New Roman", "Noto Serif SC", serif;
  font-size: clamp(3.15rem, 7.3vw, 6.7rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.lead {
  max-width: 42rem;
  margin-bottom: 0.85rem;
  font-size: clamp(1rem, 1.5vw, 1.18rem);
}

.lead-en {
  max-width: 38rem;
  margin-bottom: 2rem;
  color: var(--muted);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.95rem;
}

.hero-object {
  position: relative;
  aspect-ratio: 1;
  max-width: 480px;
  width: 100%;
  margin-inline: auto;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.hero-object::before,
.hero-object::after {
  position: absolute;
  content: "";
  background: var(--line);
}

.hero-object::before {
  top: 50%;
  left: -8%;
  width: 116%;
  height: 1px;
}

.hero-object::after {
  top: -8%;
  left: 50%;
  width: 1px;
  height: 116%;
}

.orbit {
  position: absolute;
  inset: 15%;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.orbit-two {
  inset: 31%;
}

.star-core {
  position: absolute;
  inset: 38%;
  z-index: 2;
  display: grid;
  place-items: center;
  background: var(--acid);
  border-radius: 50%;
  box-shadow: 0 0 0 10px var(--paper), 0 0 0 11px var(--line);
}

.star-core span {
  font-family: Georgia, "Noto Serif SC", serif;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}

.signal {
  position: absolute;
  z-index: 3;
  padding: 0.35rem 0.6rem;
  background: var(--paper);
  border: 1px solid var(--line);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.13em;
}

.signal-a {
  top: 13%;
  left: 58%;
}

.signal-b {
  right: 2%;
  bottom: 27%;
}

.signal-c {
  bottom: 10%;
  left: 18%;
}

.company-section,
.principles-section {
  padding: clamp(4rem, 9vw, 8rem) var(--gutter);
  display: grid;
  grid-template-columns: minmax(170px, 0.34fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 7rem);
  border-bottom: 1px solid var(--line);
}

.section-label {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.section-label span {
  width: 2rem;
  color: var(--muted);
  font-family: Georgia, serif;
}

.section-label p {
  margin: 0;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.13em;
}

.section-content h2,
.principles-content h2 {
  max-width: 780px;
  margin-bottom: 2.2rem;
  font-family: Georgia, "Noto Serif SC", serif;
  font-size: clamp(2.2rem, 5vw, 4.6rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.08;
}

.section-content > p {
  max-width: 750px;
  font-size: 1.05rem;
}

.work-section {
  padding: clamp(4rem, 9vw, 8rem) var(--gutter);
  background: var(--forest);
  color: var(--white);
}

.section-label.light span,
.section-label.light p,
.work-kicker,
.work-description > p,
.proof-row p {
  color: #c7d7cc;
}

.work-heading {
  display: grid;
  grid-template-columns: minmax(170px, 0.34fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 7rem);
  align-items: end;
}

.work-heading h2 {
  margin: 0;
  color: var(--acid);
  font-family: Georgia, serif;
  font-size: clamp(4.5rem, 12vw, 10rem);
  font-weight: 500;
  letter-spacing: -0.07em;
  line-height: 0.85;
}

.work-grid {
  margin-top: clamp(4rem, 8vw, 7rem);
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(3rem, 8vw, 9rem);
}

.work-kicker {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.15em;
}

.work-description h3 {
  margin-bottom: 1.8rem;
  font-family: Georgia, "Noto Serif SC", serif;
  font-size: clamp(2.25rem, 4vw, 4rem);
  font-weight: 500;
  line-height: 1.05;
}

.work-description > p:not(.work-kicker) {
  max-width: 35rem;
}

.button-link {
  display: inline-flex;
  min-height: 46px;
  margin-top: 1rem;
  padding: 0.7rem 1.2rem;
  align-items: center;
  background: var(--acid);
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.work-proof {
  border-top: 1px solid #587267;
}

.proof-row {
  padding: 1.35rem 0;
  display: grid;
  grid-template-columns: 2.2rem minmax(150px, 0.7fr) 1fr;
  gap: 1.2rem;
  align-items: baseline;
  border-bottom: 1px solid #587267;
}

.proof-row span {
  color: var(--acid);
  font-family: Georgia, serif;
}

.proof-row p {
  margin: 0;
}

.principles-content ol {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.principles-content li {
  padding: 1.4rem 0;
  display: grid;
  grid-template-columns: 0.35fr 0.65fr 1fr;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
}

.principles-content li span {
  color: var(--muted);
  font-family: Georgia, serif;
  font-style: italic;
}

.principles-content li p {
  margin: 0;
}

.company-card {
  margin: var(--gutter);
  padding: clamp(2rem, 5vw, 4.5rem);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  background: var(--paper-deep);
  border: 1px solid var(--line);
}

.company-card h2 {
  margin-bottom: 0.6rem;
  font-family: Georgia, "Noto Serif SC", serif;
  font-size: clamp(2rem, 4vw, 3.6rem);
  font-weight: 500;
  letter-spacing: -0.035em;
}

.company-card p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.company-card > a {
  font-weight: 800;
  text-underline-offset: 0.35rem;
}

footer {
  padding: 2rem var(--gutter) 3rem;
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  color: var(--muted);
  font-size: 0.78rem;
  border-top: 1px solid var(--line);
}

footer p {
  margin: 0;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid #206d55;
  outline-offset: 4px;
}

@media (max-width: 760px) {
  .site-header {
    min-height: 82px;
  }

  nav {
    display: none;
  }

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

  .hero-object {
    width: min(78vw, 390px);
  }

  .company-section,
  .principles-section,
  .work-heading,
  .work-grid {
    grid-template-columns: 1fr;
  }

  .section-label {
    margin-bottom: 1rem;
  }

  .proof-row,
  .principles-content li {
    grid-template-columns: 2rem 1fr;
  }

  .proof-row p,
  .principles-content li p {
    grid-column: 2;
  }

  .company-card,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

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