@font-face {
  font-family: "Fraunces";
  src: url("/fonts/fraunces-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Fraunces";
  src: url("/fonts/fraunces-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Source Sans 3";
  src: url("/fonts/source-sans-3-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Source Sans 3";
  src: url("/fonts/source-sans-3-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --paper: oklch(0.965 0.012 88);
  --paper-deep: oklch(0.935 0.016 86);
  --ink: oklch(0.24 0.028 252);
  --ink-soft: oklch(0.38 0.022 250);
  --rule: oklch(0.84 0.018 86);
  --brass: oklch(0.68 0.072 78);
  --brass-deep: oklch(0.52 0.068 72);
  --display: "Fraunces", "Noto Serif HK", "Songti SC", "Songti TC", serif;
  --sans: "Source Sans 3", "PingFang HK", "Noto Sans HK", "Microsoft JhengHei", sans-serif;
  --space: 1.5rem;
  --measure: 62ch;
  --page: min(1120px, calc(100% - 2.5rem - env(safe-area-inset-left) - env(safe-area-inset-right)));
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 112.5%;
  hanging-punctuation: first last;
  color-scheme: light;
  touch-action: manipulation;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.6;
  font-kerning: normal;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--brass-deep);
}

:focus-visible {
  outline: 2px solid var(--brass-deep);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  padding: 0.5rem 0.8rem;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
}

.skip:focus {
  top: 1rem;
}

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

.site-header {
  border-bottom: 1px solid var(--rule);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4.5rem;
  padding-block: 0.75rem;
}

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

.brand:hover {
  color: var(--brass-deep);
}

.brand-mark {
  width: 1.7rem;
  height: 1.7rem;
  flex: none;
}

.brand-name {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
  line-height: 1;
}

.brand-meta {
  display: block;
  margin-top: 0.22rem;
  color: var(--ink-soft);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav-toggle > summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--rule);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-toggle > summary:hover {
  color: var(--brass-deep);
  border-color: var(--brass);
}

.nav-toggle > summary::-webkit-details-marker {
  display: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.15rem 1.6rem;
}

.site-nav a {
  text-decoration: none;
  font-size: 0.92rem;
}

.site-nav a[aria-current="page"] {
  color: var(--brass-deep);
  box-shadow: inset 0 -1px 0 var(--brass);
}

.hero,
.page-intro,
.section,
.site-footer {
  padding-block: clamp(2.5rem, 6vw, 5rem);
}

.hero {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  padding-top: clamp(3rem, 8vw, 6.5rem);
}

.kicker {
  margin: 0 0 1rem;
  color: var(--brass-deep);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: var(--display);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

h1 {
  margin: 0 0 1.25rem;
  max-width: 20ch;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  text-wrap: balance;
}

h2 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

h3 {
  margin: 0 0 0.45rem;
  font-size: 1.25rem;
}

.lede {
  margin: 0;
  max-width: var(--measure);
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  line-height: 1.55;
}

.hero-rule {
  width: 4.5rem;
  height: 1px;
  margin: 1.75rem 0;
  background: var(--brass);
  border: 0;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.meta-row span {
  display: block;
  margin-bottom: 0.15rem;
  color: var(--ink);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.split {
  display: grid;
  gap: 2.5rem;
}

.section {
  border-top: 1px solid var(--rule);
}

.section p,
.prose p {
  max-width: var(--measure);
}

.section p + p,
.prose p + p {
  margin-top: 1rem;
}

.quiet {
  color: var(--ink-soft);
}

.work-list,
.cap-list {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.work-list li,
.cap-list li {
  display: grid;
  gap: 0.35rem 2rem;
  padding-block: 1.25rem;
  border-top: 1px solid var(--rule);
}

.work-list li:last-child,
.cap-list li:last-child {
  border-bottom: 1px solid var(--rule);
}

.work-list h3,
.cap-list h3 {
  margin: 0;
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.35;
}

.work-list span,
.cap-list p {
  margin: 0;
  color: var(--ink-soft);
}

.note {
  max-width: 48ch;
  font-size: 0.92rem;
}

.contact-grid {
  display: grid;
  gap: 2rem;
}

.contact-card address {
  font-style: normal;
  line-height: 1.7;
}

.contact-card a {
  text-decoration-thickness: 1px;
}

.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--rule);
  background: var(--paper-deep);
  padding-block: 2.25rem;
}

.site-footer .wrap {
  display: grid;
  gap: 1.5rem;
}

.site-footer p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.foot-note {
  margin-top: 0.35rem;
  font-size: 0.8rem;
}

.foot-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.4rem;
}

.foot-nav a {
  text-decoration: none;
  font-size: 0.88rem;
}

@media (min-width: 760px) {
  .nav-toggle > summary {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .nav-toggle[open] .site-nav,
  .nav-toggle .site-nav {
    display: flex;
  }

  .hero {
    grid-template-columns: 1.3fr 0.7fr;
    align-items: end;
  }

  .split {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: start;
  }

  .work-list li,
  .cap-list li {
    grid-template-columns: minmax(12rem, 0.4fr) 1fr;
    align-items: baseline;
  }

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

  .site-footer .wrap {
    grid-template-columns: 1fr auto;
    align-items: end;
  }
}

@media (max-width: 759px) {
  .nav-toggle {
    position: relative;
  }

  .nav-toggle .site-nav {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 0.6rem);
    z-index: 20;
    min-width: 13.5rem;
    padding: 0.45rem 0.75rem;
    border: 1px solid var(--rule);
    background: var(--paper);
  }

  .nav-toggle[open] .site-nav {
    display: grid;
  }

  .site-nav a {
    display: flex;
    align-items: center;
    min-height: 2.75rem;
  }
}

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