/* A quiet, paper-toned portfolio. All rules stay within its page shell. */
body.portfolio-page {
  --pf-paper: #f4f2eb;
  --pf-white: #fffefa;
  --pf-ink: #213c32;
  --pf-muted: #647067;
  --pf-line: #d4d8cb;
  --pf-clay: #a04d34;
  --pf-soft: #e9ecdf;
  --pf-serif: "Iowan Old Style", "Palatino Linotype", "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --pf-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  margin: 0;
  min-width: 0;
  background: var(--pf-paper);
  color: var(--pf-ink);
  color-scheme: light;
  font-family: var(--pf-sans);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.portfolio-page ::selection { background: #dbe2cb; color: #172c24; }
.portfolio-page a { color: inherit; text-decoration: none; }
.portfolio-page a:focus-visible {
  outline: 3px solid var(--pf-clay);
  outline-offset: 5px;
  border-radius: 2px;
}
.portfolio-page img { display: block; max-width: 100%; height: auto; }
.portfolio-page figure { margin: 0; }
.portfolio-page h1,
.portfolio-page h2,
.portfolio-page h3,
.portfolio-page p { margin: 0; }
.portfolio-page h1,
.portfolio-page h2,
.portfolio-page h3 { font-weight: 500; overflow-wrap: anywhere; }
.portfolio-page p,
.portfolio-page figcaption { overflow-wrap: break-word; }
.portfolio-page main,
.portfolio-page section,
.portfolio-page article,
.portfolio-page figure,
.portfolio-page nav { min-width: 0; }
.portfolio-page [id] { scroll-margin-top: 30px; }

.pf-nav,
.pf-main,
.pf-footer {
  width: min(1320px, calc(100% - 112px));
  margin-inline: auto;
}

.pf-header { border-bottom: 1px solid var(--pf-line); }
.pf-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 98px;
  padding-block: 21px;
}
.pf-brand {
  flex: 0 1 auto;
  font-size: 19px;
  font-weight: 650;
  line-height: 1.3;
  letter-spacing: -0.035em;
  overflow-wrap: anywhere;
}
.pf-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 12px 28px;
  font-size: 13px;
  line-height: 1.6;
}
.pf-links a {
  padding-block: 6px;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}
.pf-links a:hover,
.pf-links a[aria-current="page"] { color: var(--pf-clay); border-bottom-color: currentColor; }
.pf-skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 16px;
  max-width: calc(100% - 32px);
  padding: 10px 18px;
  background: var(--pf-ink);
  color: var(--pf-white) !important;
  transform: translateY(-180%);
}
.pf-skip-link:focus { transform: translateY(0); }

.pf-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  align-items: center;
  gap: clamp(36px, 5.4vw, 86px);
  padding-block: clamp(48px, 6.2vw, 92px) 72px;
}
.pf-hero-copy { min-width: 0; padding-block: 10px 18px; }
.pf-eyebrow {
  color: var(--pf-clay);
  font-size: 11px;
  font-weight: 650;
  line-height: 1.65;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.pf-hero h1 {
  margin-top: 22px;
  max-width: 9.4em;
  font-family: var(--pf-serif);
  font-size: clamp(45px, 4.9vw, 76px);
  line-height: 1.2;
  letter-spacing: -0.055em;
  text-wrap: balance;
}
.pf-lead {
  max-width: 34em;
  margin-top: 29px !important;
  color: var(--pf-muted);
  font-size: clamp(14px, 1.12vw, 16px);
  line-height: 2;
}
.pf-tags {
  display: flex;
  list-style: none;
  padding: 0;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 23px;
  color: var(--pf-muted);
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: 0.045em;
}
.pf-board {
  margin-block: 48px;
  border-block: 1px solid var(--pf-line);
  padding-block: 22px;
}
.pf-board summary {
  cursor: pointer;
  font-size: 17px;
  font-weight: 600;
}
.pf-board summary span {
  display: block;
  margin-top: 5px;
  color: var(--pf-muted);
  font-size: 12px;
  font-weight: 400;
}
.pf-board summary:focus-visible {
  outline: 3px solid var(--pf-clay);
  outline-offset: 5px;
}
.pf-tags > * {
  padding-block: 3px;
  border-bottom: 1px solid var(--pf-line);
}
.pf-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 33px;
}
.pf-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 47px;
  max-width: 100%;
  padding: 11px 23px;
  border: 1px solid var(--pf-ink);
  background: var(--pf-ink);
  color: var(--pf-white) !important;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  text-align: center;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}
.pf-button:hover { background: #354f41; border-color: #354f41; }
.pf-button.secondary { background: transparent; border-color: var(--pf-line); color: var(--pf-ink) !important; }
.pf-button.secondary:hover { background: var(--pf-soft); border-color: #a6b29f; }
.pf-hero-figure { align-self: stretch; display: flex; flex-direction: column; justify-content: center; }
.pf-hero-figure img {
  width: 100%;
  aspect-ratio: 1.13;
  object-fit: cover;
  object-position: 50% 58%;
  background: #e3e7da;
}
.pf-hero-figure figcaption {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-top: 13px;
  color: var(--pf-muted);
  font-size: 11px;
  line-height: 1.65;
  letter-spacing: 0.025em;
}

.pf-section { padding-block: 51px 80px; border-top: 1px solid var(--pf-line); }
.pf-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.75fr);
  column-gap: 72px;
  align-items: end;
  margin-bottom: 38px;
}
.pf-section-heading .pf-eyebrow { grid-column: 1 / -1; margin-bottom: 14px; }
.pf-section-heading h2 {
  font-family: var(--pf-serif);
  font-size: clamp(29px, 3vw, 43px);
  line-height: 1.35;
  letter-spacing: -0.035em;
}
.pf-section-heading > p:not(.pf-eyebrow) {
  max-width: 36em;
  padding-bottom: 3px;
  color: var(--pf-muted);
  font-size: 13px;
  line-height: 1.95;
}
.pf-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 55px 36px; }
.pf-card { min-width: 0; }
.pf-card-image {
  position: relative;
  display: block;
  overflow: hidden;
  background: #e5e8dc;
  aspect-ratio: 4 / 3;
}
.pf-card-image img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
  transition: transform 450ms cubic-bezier(0.22, 0.61, 0.36, 1);
}
.pf-card-image:hover img { transform: scale(1.025); }
.pf-card-index {
  position: absolute;
  top: 14px;
  left: 14px;
  display: grid;
  place-items: center;
  min-width: 39px;
  min-height: 39px;
  padding: 4px 9px;
  background: var(--pf-paper);
  color: var(--pf-ink);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  letter-spacing: 0.05em;
}
.pf-card-meta { position: relative; padding-top: 22px; }
.pf-card-meta .pf-eyebrow { font-size: 10px; letter-spacing: 0.12em; }
.pf-card-meta h3 {
  margin-top: 8px;
  font-family: var(--pf-serif);
  font-size: clamp(24px, 2.2vw, 31px);
  line-height: 1.4;
  letter-spacing: -0.025em;
}
.pf-card-meta h3 a:hover { color: var(--pf-clay); }
.pf-card-meta > p:not(.pf-eyebrow) {
  max-width: 42em;
  margin-top: 10px;
  color: var(--pf-muted);
  font-size: 13px;
  line-height: 1.9;
}
.pf-card-link {
  display: inline-block;
  margin-top: 16px;
  padding-bottom: 3px;
  border-bottom: 1px solid #9aa993;
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.045em;
}
.pf-card-link:hover { color: var(--pf-clay); border-color: var(--pf-clay); }
.pf-note {
  display: grid;
  grid-template-columns: minmax(0, 0.6fr) minmax(0, 1fr);
  gap: 20px 64px;
  margin-bottom: 74px;
  padding: 39px 42px;
  border-top: 1px solid #bdc8b3;
  border-bottom: 1px solid #bdc8b3;
  background: var(--pf-soft);
}
.pf-note h2 { font-family: var(--pf-serif); font-size: 26px; line-height: 1.45; }
.pf-note > .pf-eyebrow { grid-column: 1 / -1; color: var(--pf-clay); font-size: 11px; }
.pf-note p { color: #4f6053; font-size: 13px; line-height: 1.95; }
.pf-note p + p { grid-column: 2; }
.pf-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 28px;
  padding-block: 29px 36px;
  border-top: 1px solid var(--pf-line);
  color: var(--pf-muted);
  font-size: 11px;
  line-height: 1.8;
}
.pf-footer a:hover { color: var(--pf-ink); text-decoration: underline; text-underline-offset: 4px; }

/* Project pages retain the source drawing proportions. */
.pf-project-head { max-width: 1020px; padding-block: 49px 50px; }
.pf-breadcrumb {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 12px;
  margin-bottom: 34px;
  color: var(--pf-muted);
  font-size: 11px;
  line-height: 1.7;
}
.pf-breadcrumb a { border-bottom: 1px solid var(--pf-line); }
.pf-breadcrumb a:hover { color: var(--pf-clay); }
.pf-project-head h1 {
  font-family: var(--pf-serif);
  font-size: clamp(38px, 4.8vw, 68px);
  line-height: 1.25;
  letter-spacing: -0.04em;
  text-wrap: balance;
}
.pf-deck {
  max-width: 50em;
  margin-top: 19px !important;
  color: var(--pf-muted);
  font-size: 15px;
  line-height: 1.95;
}
.pf-project-head .pf-tags { margin-top: 19px; }
.pf-project-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.55fr) minmax(0, 1fr);
  gap: 35px 82px;
  padding-block: 36px 45px;
  border-top: 1px solid var(--pf-line);
}
.pf-intro-title h2,
.pf-reading h2 {
  font-family: var(--pf-serif);
  font-size: clamp(25px, 2.3vw, 33px);
  line-height: 1.45;
  letter-spacing: -0.025em;
}
.pf-project-intro p,
.pf-reading p { color: #4f6053; font-size: 14px; line-height: 2.05; }
.pf-project-intro p + p,
.pf-reading p + p { margin-top: 15px; }
.pf-figure { margin-bottom: 47px !important; }
.pf-image-link { display: block; background: var(--pf-white); }
.pf-figure .pf-image-link > img,
.pf-figure > img {
  width: 100%;
  height: auto;
  aspect-ratio: auto;
  object-fit: contain;
  background: var(--pf-white);
}
.pf-figure figcaption {
  max-width: 84em;
  margin-top: 14px;
  padding-left: 15px;
  border-left: 2px solid #a5b293;
  color: var(--pf-muted);
  font-size: 12px;
  line-height: 1.85;
}
.pf-reading {
  display: grid;
  grid-template-columns: minmax(0, 0.55fr) minmax(0, 1fr);
  gap: 23px 82px;
  margin-block: 55px 40px;
  padding-top: 29px;
  border-top: 1px solid var(--pf-line);
}
.pf-reading h2 { grid-column: 1; }
.pf-reading > p { grid-column: 2; }
.pf-reading > p:first-of-type { grid-row: 1; }
.pf-project-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 25px 64px;
  margin-top: 69px;
  padding-block: 27px 51px;
  border-top: 1px solid var(--pf-line);
}
.pf-project-nav a { display: flex; flex-direction: column; align-items: flex-start; gap: 7px; min-width: 0; }
.pf-project-nav a + a { align-items: flex-end; text-align: right; }
.pf-project-nav span { color: var(--pf-muted); font-size: 11px; line-height: 1.7; }
.pf-project-nav strong { font-family: var(--pf-serif); font-size: 23px; font-weight: 500; line-height: 1.45; overflow-wrap: anywhere; }
.pf-project-nav a:hover strong { color: var(--pf-clay); }

@media (min-width: 1600px) {
  .pf-hero { padding-block: 88px 88px; }
}

@media (max-width: 1024px) {
  .pf-nav, .pf-main, .pf-footer { width: calc(100% - 64px); }
  .pf-hero { gap: 34px; padding-top: 51px; }
  .pf-hero h1 { font-size: clamp(40px, 5.2vw, 58px); }
  .pf-hero-figure img { aspect-ratio: 0.98; }
  .pf-grid { gap: 45px 25px; }
  .pf-section-heading { column-gap: 34px; }
  .pf-project-intro, .pf-reading { column-gap: 40px; }
  .pf-note { padding: 31px; gap: 20px 36px; }
}

@media (max-width: 760px) {
  .pf-nav, .pf-main, .pf-footer { width: calc(100% - 40px); }
  .pf-nav { min-height: 77px; gap: 14px; padding-block: 18px; }
  .pf-brand { font-size: 17px; }
  .pf-links { gap: 5px 17px; font-size: 11px; }
  .pf-hero { grid-template-columns: minmax(0, 1fr); gap: 29px; padding-block: 38px 44px; }
  .pf-hero-copy { padding: 0; }
  .pf-hero h1 { max-width: 11em; margin-top: 16px; font-size: clamp(39px, 8.4vw, 59px); line-height: 1.25; }
  .pf-lead { margin-top: 22px !important; font-size: 14px; }
  .pf-tags { gap: 7px 14px; margin-top: 18px; font-size: 10px; }
  .pf-actions { margin-top: 24px; }
  .pf-button { min-height: 45px; padding: 10px 19px; }
  .pf-hero-figure img { aspect-ratio: 4 / 3; object-position: 50% 58%; }
  .pf-hero-figure figcaption { margin-top: 10px; }
  .pf-section { padding-block: 32px 48px; }
  .pf-section-heading { grid-template-columns: minmax(0, 1fr); gap: 12px; margin-bottom: 25px; }
  .pf-section-heading .pf-eyebrow { margin-bottom: 0; }
  .pf-section-heading h2 { font-size: 31px; }
  .pf-section-heading > p:not(.pf-eyebrow) { font-size: 12px; }
  .pf-grid { grid-template-columns: minmax(0, 1fr); gap: 35px; }
  .pf-card-meta { padding-top: 17px; }
  .pf-card-meta h3 { margin-top: 6px; font-size: 26px; }
  .pf-card-meta > p:not(.pf-eyebrow) { font-size: 12px; }
  .pf-card-link { margin-top: 12px; }
  .pf-card-index { top: 11px; left: 11px; min-width: 34px; min-height: 34px; }
  .pf-note { grid-template-columns: minmax(0, 1fr); gap: 14px; margin-bottom: 42px; padding: 25px 22px; }
  .pf-note h2 { font-size: 25px; }
  .pf-note p { font-size: 12px; }
  .pf-note p + p { grid-column: 1; }
  .pf-footer { padding-block: 23px 29px; gap: 8px 20px; font-size: 10px; }
  .pf-project-head { padding-block: 29px 32px; }
  .pf-breadcrumb { margin-bottom: 25px; font-size: 10px; }
  .pf-project-head h1 { font-size: clamp(34px, 8vw, 51px); }
  .pf-deck { margin-top: 17px !important; font-size: 13px; }
  .pf-project-intro, .pf-reading { grid-template-columns: minmax(0, 1fr); gap: 17px; }
  .pf-project-intro { padding-block: 27px 32px; }
  .pf-intro-title h2, .pf-reading h2 { font-size: 26px; }
  .pf-project-intro p, .pf-reading p { font-size: 13px; line-height: 2; }
  .pf-figure { margin-bottom: 31px !important; }
  .pf-figure figcaption { margin-top: 11px; padding-left: 11px; font-size: 11px; }
  .pf-reading { margin-block: 36px 26px; padding-top: 24px; }
  .pf-reading h2, .pf-reading > p { grid-column: 1; grid-row: auto; }
  .pf-reading > p:first-of-type { grid-row: auto; }
  .pf-project-nav { gap: 22px; margin-top: 43px; padding-block: 24px 36px; }
  .pf-project-nav strong { font-size: 20px; }
  .pf-project-nav span { font-size: 10px; }
}

@media (max-width: 420px) {
  .pf-nav { align-items: flex-start; }
  .pf-links { column-gap: 12px; max-width: 66%; }
  .pf-hero h1 { font-size: 39px; }
  .pf-eyebrow { font-size: 10px; letter-spacing: 0.12em; }
  .pf-project-nav { column-gap: 17px; }
  .pf-project-nav strong { font-size: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  .portfolio-page *, .portfolio-page *::before, .portfolio-page *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
  .pf-card-image:hover img { transform: none; }
}

@media print {
  body.portfolio-page { background: white; color: black; }
  .pf-nav, .pf-main, .pf-footer { width: 100%; }
  .pf-header, .pf-actions, .pf-project-nav, .pf-skip-link { display: none; }
  .pf-hero { padding-block: 20px; }
  .pf-card, .pf-figure { break-inside: avoid; }
  .pf-card-image img, .pf-hero-figure img { object-fit: contain; }
}