:root {
  --black: #080909;
  --graphite: #111315;
  --panel: #191b1e;
  --paper: #e9e6df;
  --paper-dark: #d6d2ca;
  --gold: #b89a5b;
  --chrome: #9ca3a8;
  --muted: #a5a8a6;
  --dark-text: #151718;
  --line: rgba(233, 230, 223, .16);
  --dark-line: rgba(21, 23, 24, .2);
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --sans: Arial, Helvetica, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--black);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
address { font-style: normal; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { text-wrap: balance; }
.page-shell { width: min(100% - 3rem, 80rem); margin-inline: auto; }
.skip-link {
  position: fixed;
  z-index: 100;
  top: .75rem;
  left: .75rem;
  padding: .7rem 1rem;
  background: var(--gold);
  color: var(--black);
  transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 4px; }
.statement :focus-visible,
.light-section :focus-visible,
.contact-note :focus-visible,
.disclosure-preview :focus-visible { outline-color: var(--dark-text); }
.contact-band :focus-visible { outline-color: var(--black); }

.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  width: 100%;
  border-bottom: 1px solid var(--line);
}
.nav-shell {
  width: min(100% - 3rem, 86rem);
  min-height: 5.5rem;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  flex: 0 0 auto;
  color: var(--paper);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-decoration: none;
  text-transform: uppercase;
}
.brand img {
  width: 10.5rem;
  height: 3.5rem;
  object-fit: cover;
}
.nav-links { display: flex; align-items: center; gap: 1.55rem; }
.nav-links a {
  position: relative;
  padding-block: .75rem;
  color: #d6d5d0;
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-decoration: none;
  text-transform: uppercase;
}
.nav-links a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: .35rem;
  left: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .2s ease;
}
.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}
.nav-links .nav-contact {
  margin-left: .25rem;
  padding: .75rem .9rem;
  border: 1px solid rgba(184, 154, 91, .65);
  color: var(--paper);
}
.nav-links .nav-contact::after { display: none; }
.nav-links .nav-contact:hover,
.nav-links .nav-contact[aria-current="page"] { background: var(--gold); color: var(--black); }
.nav-menu { display: none; position: relative; }
.nav-menu summary {
  padding: .65rem .8rem;
  border: 1px solid var(--line);
  cursor: pointer;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .12em;
  list-style: none;
  text-transform: uppercase;
}
.nav-menu summary::-webkit-details-marker { display: none; }
.nav-drawer {
  position: absolute;
  top: calc(100% + .75rem);
  right: 0;
  width: min(20rem, calc(100vw - 2rem));
  display: grid;
  border: 1px solid var(--line);
  background: var(--graphite);
}
.nav-drawer a {
  padding: .9rem 1rem;
  border-bottom: 1px solid var(--line);
  font-size: .72rem;
  letter-spacing: .09em;
  text-decoration: none;
  text-transform: uppercase;
}
.nav-drawer a:last-child { border-bottom: 0; }
.nav-drawer a[aria-current="page"] { color: var(--gold); }

.home-hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
  background: var(--black) url("/public/images/princeps-hero-poster.jpg") center / cover no-repeat;
}
.hero-video,
.hero-shade {
  position: absolute;
  z-index: -2;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero-video { object-fit: cover; filter: saturate(.42) contrast(1.12); }
.hero-shade {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(3, 4, 4, .94) 0%, rgba(3, 4, 4, .74) 48%, rgba(3, 4, 4, .35)),
    linear-gradient(0deg, rgba(3, 4, 4, .85), transparent 55%);
}
.hero-content { padding-block: 12rem 7rem; }
.eyebrow {
  margin-bottom: 1.5rem;
  color: var(--gold);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
}
h1 {
  max-width: 11ch;
  margin-bottom: 2rem;
  font: 400 clamp(3.8rem, 7.1vw, 7.5rem) / .87 var(--serif);
  letter-spacing: -.06em;
}
.hero-lead,
.page-lead {
  max-width: 41rem;
  margin-bottom: 2.25rem;
  color: #d0d1cd;
  font-size: clamp(1.05rem, 1.8vw, 1.32rem);
}
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.6rem; }
.button {
  display: inline-flex;
  padding: .95rem 1.15rem;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-decoration: none;
  text-transform: uppercase;
}
.button-gold { background: var(--gold); color: var(--black); }
.text-link,
.arrow-link {
  font-size: .73rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-decoration-color: var(--gold);
  text-underline-offset: .4rem;
  text-transform: uppercase;
}
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  margin-top: 1rem;
}
.hero-index {
  position: absolute;
  right: 2rem;
  bottom: 1.5rem;
  margin: 0;
  color: var(--chrome);
  font-size: .62rem;
  letter-spacing: .2em;
}

.section { padding-block: clamp(6rem, 10vw, 9rem); }
.split-heading,
.disclosure-grid { display: grid; }
.split-heading { grid-template-columns: minmax(10rem, 1fr) minmax(0, 3fr); gap: 4rem; }
.disclosure-grid {
  grid-template-columns: minmax(0, 1fr) minmax(22rem, 1.15fr);
  gap: clamp(3rem, 8vw, 8rem);
}
.disclosure-grid h2 { max-width: 11ch; font-size: clamp(3rem, 4.8vw, 5rem); }
h2 {
  margin-bottom: 2.25rem;
  font: 400 clamp(3rem, 5.8vw, 5.8rem) / .93 var(--serif);
  letter-spacing: -.052em;
}
h3 { font-weight: 400; }
.large-copy {
  max-width: 47rem;
  margin-bottom: 1.5rem;
  font-size: clamp(1.2rem, 2.2vw, 1.65rem);
}
.statement,
.light-section,
.contact-note {
  background: var(--paper);
  color: var(--dark-text);
}
.statement .eyebrow,
.light-section .eyebrow,
.contact-note .eyebrow { color: #745d30; }
.statement .arrow-link,
.light-section .arrow-link { text-decoration-color: #745d30; }
.section-heading { max-width: 58rem; margin-bottom: 4.5rem; }

.services-preview { background: var(--graphite); }
.numbered-list,
.service-detail-list { margin: 0 0 2rem; padding: 0; list-style: none; }
.numbered-list li {
  display: grid;
  grid-template-columns: 4rem minmax(13rem, 1fr) minmax(15rem, 1fr);
  gap: 2rem;
  padding-block: 2rem;
  border-top: 1px solid var(--line);
}
.numbered-list span,
.service-detail-list > li > span,
.principle-grid article > span,
.record-grid article > span {
  color: var(--gold);
  font-size: .68rem;
  letter-spacing: .14em;
}
.numbered-list h3,
.service-detail-list h3 {
  margin-bottom: .5rem;
  font: 400 clamp(1.7rem, 2.8vw, 2.7rem) / 1 var(--serif);
}
.numbered-list p { max-width: 30rem; margin-bottom: 0; color: var(--muted); }
.service-detail-list li {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 2rem;
  padding-block: 2.4rem;
  border-top: 1px solid var(--dark-line);
}
.service-detail-list li:last-child { border-bottom: 1px solid var(--dark-line); }
.service-detail-list p { max-width: 46rem; margin-bottom: 0; color: #515556; }

.sector-section { background: var(--black); }
.sector-heading {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 4rem;
  margin-bottom: 5rem;
}
.sector-heading h2 { max-width: 13ch; }
.sector-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.2rem; }
.sector-card { position: relative; min-height: 34rem; overflow: hidden; background: var(--panel); }
.sector-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(5, 6, 6, .96), transparent 68%);
}
.sector-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.08);
  transition: filter .35s ease, transform .6s ease;
}
.sector-card:hover img { filter: grayscale(.25) contrast(1.05); transform: scale(1.025); }
.sector-card div {
  position: absolute;
  z-index: 1;
  right: 1.5rem;
  bottom: 1.5rem;
  left: 1.5rem;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
}
.sector-card span { color: var(--gold); font-size: .68rem; letter-spacing: .14em; }
.sector-card h3 { min-width: 0; margin: 0; font: 400 clamp(1.25rem, 2vw, 2.1rem) / 1 var(--serif); text-align: right; }

.disclosure-preview { background: var(--paper-dark); color: var(--dark-text); }
.disclosure-preview .eyebrow { color: #745d30; }
.routes-preview { padding-block: 0; background: var(--graphite); }
.route-grid { display: grid; grid-template-columns: repeat(2, 1fr); }
.route-card {
  min-height: 24rem;
  display: grid;
  grid-template-columns: 1fr auto;
  align-content: end;
  gap: 2rem;
  padding: clamp(2rem, 5vw, 4rem);
  border-right: 1px solid var(--line);
  text-decoration: none;
}
.route-card:last-child { border-right: 0; }
.route-card .eyebrow { grid-column: 1 / -1; align-self: start; }
.route-card strong { max-width: 12ch; font: 400 clamp(2.3rem, 4vw, 4rem) / .96 var(--serif); }
.route-card > span:last-child { align-self: end; color: var(--gold); font-size: 1.5rem; }
.route-card:hover { background: var(--panel); }

.page-hero {
  position: relative;
  min-height: 68svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  background:
    linear-gradient(120deg, transparent 48%, rgba(184, 154, 91, .08) 48%, transparent 49%),
    radial-gradient(circle at 80% 35%, rgba(156, 163, 168, .14), transparent 28%),
    var(--black);
}
.page-hero .page-shell { padding-block: 12rem 5rem; }
.page-hero h1 { max-width: 12ch; }
.page-hero .page-lead { margin-bottom: 0; }
.image-statement { background: var(--graphite); }
.image-statement-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 1fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 7rem);
}
.image-statement img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: grayscale(.92) contrast(1.08);
}
.image-statement h2 { font-size: clamp(2.8rem, 4.6vw, 4.8rem); }
.image-statement p:last-child { color: var(--muted); font-size: 1.08rem; }
.principles,
.record-preview,
.publication-gate { background: var(--graphite); }
.principle-grid,
.record-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.principle-grid article,
.record-grid article {
  min-height: 18rem;
  padding: 2rem;
  border: 1px solid var(--line);
  border-right: 0;
}
.principle-grid article:last-child,
.record-grid article:last-child { border-right: 1px solid var(--line); }
.principle-grid h3,
.record-grid h3 {
  margin: 4.5rem 0 1rem;
  font: 400 2rem / 1 var(--serif);
}
.principle-grid p,
.record-grid p { margin-bottom: 0; color: var(--muted); }
.team-heading { margin-bottom: 4.5rem; }
.team-grid {
  display: grid;
  gap: 1px;
  border: 1px solid var(--dark-line);
  background: var(--dark-line);
}
.team-grid-leadership { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.team-grid-specialists { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.team-card {
  min-width: 0;
  display: grid;
  grid-template-rows: auto 1fr;
  background: var(--paper);
  color: var(--dark-text);
}
.team-photo { aspect-ratio: 4 / 5; overflow: hidden; background: #c5c2bb; }
.team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: grayscale(.76) contrast(1.04);
  transition: filter .35s ease, transform .6s ease;
}
.team-card:hover .team-photo img { filter: grayscale(.2) contrast(1.02); transform: scale(1.015); }
.team-copy { min-width: 0; display: flex; flex-direction: column; padding: clamp(1.5rem, 3vw, 2.5rem); }
.team-role {
  margin-bottom: 1rem;
  color: #745d30;
  font-size: .67rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.team-card h3 { margin-bottom: 1.25rem; font: 400 clamp(2rem, 3.3vw, 3.35rem) / .96 var(--serif); }
.team-card h3 span { color: #626667; font-size: .62em; }
.team-bio { margin-bottom: 2rem; color: #515556; }
.team-focus {
  margin: auto 0 0;
  padding: 1.2rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  border-top: 1px solid var(--dark-line);
  list-style: none;
}
.team-focus li {
  padding: .45rem .6rem;
  border: 1px solid var(--dark-line);
  font-size: .63rem;
  letter-spacing: .08em;
  line-height: 1.25;
  text-transform: uppercase;
}
.team-specialists { background: var(--graphite); }
.team-specialists .section-heading { max-width: 52rem; }
.team-specialists .team-grid { border-color: var(--line); background: var(--line); }
.team-specialists .team-card { background: var(--panel); color: var(--paper); }
.team-specialists .team-role { color: var(--gold); }
.team-specialists .team-card h3 span { color: var(--chrome); }
.team-specialists .team-bio { color: var(--muted); }
.team-specialists .team-focus { border-color: var(--line); }
.team-specialists .team-focus li { border-color: var(--line); color: #c9cac6; }
.publication-row {
  display: grid;
  grid-template-columns: 8rem 1fr auto;
  gap: 2rem;
  padding-block: 2rem;
  border-top: 1px solid var(--line);
}
.publication-row:last-child { border-bottom: 1px solid var(--line); }
.publication-row span {
  color: var(--chrome);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.publication-row strong { font: 400 1.5rem var(--serif); }

.contact-band { padding-block: clamp(5rem, 9vw, 8rem); background: var(--gold); color: var(--black); }
.contact-band .eyebrow { color: #4b3b1f; }
.contact-band-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  align-items: end;
  gap: 4rem;
}
.contact-band h2 { max-width: 10ch; margin-bottom: 0; }
.contact-band a {
  padding-block: 1.1rem;
  border-block: 1px solid rgba(8, 9, 9, .45);
  font: 400 clamp(1.25rem, 2.2vw, 2rem) / 1.2 var(--serif);
  text-decoration: none;
}
.contact-band a span { float: right; }
.contact-hero {
  position: relative;
  min-height: 88svh;
  display: grid;
  align-items: end;
  background:
    radial-gradient(circle at 75% 35%, rgba(184, 154, 91, .12), transparent 28%),
    var(--black);
}
.contact-hero-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  align-items: end;
  gap: 5rem;
  padding-block: 12rem 6rem;
}
.contact-details { display: grid; gap: 3rem; padding-bottom: .5rem; }
.contact-details div { display: grid; gap: .65rem; }
.contact-details span {
  color: var(--chrome);
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.contact-details a { font: 400 clamp(1.2rem, 2vw, 1.7rem) var(--serif); text-underline-offset: .4rem; }
.contact-details address { color: #c9cac6; }

.site-footer { padding-block: 2.5rem; background: var(--black); border-top: 1px solid var(--line); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1.3fr 1.5fr auto;
  align-items: end;
  gap: 2rem;
  color: #8e9392;
  font-size: .69rem;
  letter-spacing: .05em;
}
.footer-grid a { text-underline-offset: .3rem; }
.footer-brand {
  color: var(--paper);
  font-weight: 700;
  letter-spacing: .13em;
  text-decoration: none;
  text-transform: uppercase;
}

@media (max-width: 1100px) {
  .nav-links { gap: 1rem; }
  .nav-links a { font-size: .61rem; }
  .sector-card { min-height: 29rem; }
}

@media (max-width: 900px) {
  .page-shell { width: min(100% - 2rem, 80rem); }
  .nav-shell { width: min(100% - 2rem, 86rem); }
  .nav-links { display: none; }
  .nav-menu { display: block; }
  .split-heading,
  .disclosure-grid,
  .sector-heading,
  .image-statement-grid,
  .contact-band-grid,
  .contact-hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .sector-grid { grid-template-columns: 1fr; }
  .sector-card { min-height: 32rem; }
  .numbered-list li { grid-template-columns: 3rem 1fr; }
  .numbered-list p { grid-column: 2; }
  .route-grid,
  .principle-grid,
  .record-grid { grid-template-columns: 1fr; }
  .team-grid-leadership,
  .team-grid-specialists { grid-template-columns: 1fr; }
  .team-card { grid-template-columns: minmax(13rem, .72fr) minmax(0, 1.28fr); grid-template-rows: 1fr; }
  .team-photo { min-height: 26rem; }
  .route-card { border-right: 0; border-bottom: 1px solid var(--line); }
  .principle-grid article,
  .record-grid article { min-height: auto; border-right: 1px solid var(--line); border-bottom: 0; }
  .principle-grid article:last-child,
  .record-grid article:last-child { border-bottom: 1px solid var(--line); }
  .principle-grid h3,
  .record-grid h3 { margin-top: 3rem; }
  .contact-hero-grid { padding-bottom: 5rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .nav-shell { min-height: 4.6rem; }
  .brand { gap: .55rem; }
  .brand img { width: 9rem; height: 3rem; }
  .hero-content { padding-block: 8.5rem 5.5rem; }
  h1 { font-size: clamp(3.3rem, 16vw, 4.9rem); }
  h2 { font-size: clamp(2.8rem, 13vw, 4rem); }
  .section { padding-block: 5.5rem; }
  .page-hero { min-height: 76svh; }
  .page-hero .page-shell { padding-block: 8rem 4rem; }
  .hero-index { right: 1rem; bottom: 1rem; }
  .numbered-list li,
  .service-detail-list li { grid-template-columns: 2.5rem 1fr; gap: 1rem; }
  .sector-card { min-height: 27rem; }
  .route-card { min-height: 19rem; padding: 2rem 0; }
  .team-card { display: block; }
  .team-photo { min-height: 0; }
  .publication-row { grid-template-columns: 1fr; gap: .5rem; }
  .contact-band a,
  .contact-details a { overflow-wrap: anywhere; }
  .contact-hero { min-height: 100svh; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-video { visibility: hidden; }
  .nav-links a::after,
  .sector-card img,
  .team-photo img { transition: none; }
}