/* Preservation Strategy Advisors
   Palette drawn from the buildings the firm works on: stone, mortar,
   deep green ink, verdigris, and a restricted brick accent. */

@font-face {
  font-family: "Libre Caslon Display";
  src: url("fonts/LibreCaslonDisplay-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Libre Caslon Text";
  src: url("fonts/LibreCaslonText-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Libre Caslon Text";
  src: url("fonts/LibreCaslonText-400i.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Libre Caslon Text";
  src: url("fonts/LibreCaslonText-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Public Sans";
  src: url("fonts/PublicSans-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Public Sans";
  src: url("fonts/PublicSans-Italic-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}

:root {
  --stone: #e7eae4;
  --stone-2: #dfe3dc;
  --paper: #f2f4f0;
  --mortar: #b8bfb5;
  --mortar-2: #ccd2c9;
  --ink: #16302b;
  --ink-2: #1e3d37;
  --ink-soft: #4a5f5a;
  --verdigris: #7faf9f;
  --verdigris-2: #a9cbbf;
  --brick: #9c3d2b;
  --brick-2: #7f3023;

  --display: "Libre Caslon Display", "Libre Caslon Text", Georgia, "Times New Roman", serif;
  --serif: "Libre Caslon Text", Georgia, "Times New Roman", serif;
  --sans: "Public Sans", "Helvetica Neue", Arial, sans-serif;

  --measure: 62ch;
  --gutter: clamp(16px, 4vw, 40px);
  --container: 1160px;
  --rule: 1px solid var(--mortar);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--stone);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  font-weight: 400;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  margin: 0;
  line-height: 1.15;
}

p {
  margin: 0 0 1em;
  max-width: var(--measure);
}
p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--brick);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}
a:hover {
  color: var(--brick-2);
}
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--brick);
  outline-offset: 3px;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.container {
  width: min(100% - 2 * var(--gutter), var(--container));
  margin-inline: auto;
}

.skip {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--stone);
  color: var(--ink);
  padding: 8px 12px;
  z-index: 10;
}
.skip:focus {
  left: 8px;
}

/* ---------- Header / hero (ink) ---------- */

.masthead {
  background: var(--ink);
  color: var(--stone);
  position: relative;
  overflow: hidden;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 32px;
  padding: 26px 0 0;
}
.wordmark {
  font-family: var(--serif);
  font-size: 19px;
  color: var(--stone);
  text-decoration: none;
  letter-spacing: 0.005em;
}
.wordmark:hover {
  color: #fff;
}
.nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 26px;
}
.nav a:not(.wordmark) {
  color: var(--verdigris-2);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  padding: 4px 0;
}
.nav a:not(.wordmark):hover {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 0.3em;
}
.nav a:focus-visible {
  outline-color: var(--verdigris);
}

.hero {
  padding: clamp(56px, 9vw, 120px) 0 0;
  position: relative;
  z-index: 1;
}
.hero h1 {
  font-family: var(--display);
  font-size: clamp(44px, 7.2vw, 96px);
  line-height: 1.0;
  letter-spacing: -0.012em;
  color: #f4f5f1;
  max-width: 11ch;
  text-wrap: balance;
}
.hero .tagline {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(20px, 2.4vw, 27px);
  color: var(--verdigris);
  margin: 26px 0 0;
  max-width: none;
}
.hero .lead {
  font-size: clamp(17px, 1.5vw, 19.5px);
  line-height: 1.55;
  color: #d7ded9;
  max-width: 56ch;
  margin: 28px 0 0;
}
.hero .lead a {
  color: #f4f5f1;
  text-decoration-color: var(--verdigris);
}

.street-wrap {
  position: relative;
  height: clamp(150px, 20vw, 260px);
  margin-top: clamp(40px, 6vw, 88px);
}
.street {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  stroke: var(--verdigris);
  fill: none;
  stroke-width: 1.1;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.85;
}
.street g {
  stroke-dasharray: 1;
  stroke-dashoffset: 0;
}
@media (prefers-reduced-motion: no-preference) {
  .street g {
    stroke-dashoffset: 1;
    animation: draw 1.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    animation-delay: calc(0.12s + var(--d, 0) * 0.07s);
  }
}
@keyframes draw {
  to { stroke-dashoffset: 0; }
}

/* ---------- Sections (report layout: heading in the margin) ---------- */

.section {
  padding: clamp(56px, 7vw, 104px) 0;
  border-top: var(--rule);
}
.section:first-of-type {
  border-top: 0;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px 56px;
}
@media (min-width: 880px) {
  .section-grid {
    grid-template-columns: 240px minmax(0, 1fr);
  }
  .section-grid > .margin {
    position: sticky;
    top: 32px;
    align-self: start;
  }
}
.section h2 {
  font-size: clamp(30px, 3.4vw, 40px);
  letter-spacing: -0.01em;
  color: var(--ink);
}
.margin .note {
  margin-top: 14px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.5;
  max-width: 24ch;
}
.intro {
  font-size: clamp(18px, 1.6vw, 21px);
  line-height: 1.5;
  max-width: 54ch;
}

/* What we do: three disciplines as a ruled table, not cards */

.disciplines {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 40px;
  border-top: var(--rule);
}
@media (min-width: 760px) {
  .disciplines {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.discipline {
  padding: 26px 0 30px;
  border-bottom: var(--rule);
}
@media (min-width: 760px) {
  .discipline {
    padding: 28px 28px 32px 0;
  }
  .discipline + .discipline {
    padding-left: 28px;
    border-left: var(--rule);
  }
}
.discipline h3 {
  font-size: 23px;
  line-height: 1.2;
  text-wrap: balance;
  max-width: 19ch;
}
.discipline ul {
  margin-top: 18px;
}
.discipline li {
  position: relative;
  padding-left: 18px;
  margin: 0 0 9px;
  font-size: 16px;
  line-height: 1.45;
}
.discipline li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  background: var(--brick);
}
.discipline .lead-by {
  margin-top: 20px;
  font-size: 14.5px;
  color: var(--ink-soft);
}
.discipline .lead-by a {
  color: var(--ink);
}
.closing {
  margin-top: 32px;
  font-family: var(--serif);
  font-size: clamp(19px, 1.7vw, 22px);
  line-height: 1.45;
  max-width: 48ch;
}

/* How we work: definition grid */

.approach {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 8px;
}
@media (min-width: 700px) {
  .approach {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 56px;
  }
}
.approach > div {
  padding: 22px 0 26px;
  border-top: var(--rule);
}
.approach h3 {
  font-size: 22px;
  line-height: 1.2;
}
.approach p {
  margin-top: 10px;
  font-size: 16px;
  color: #22403a;
}

/* Track record: ledger */

.ledger {
  margin-top: 8px;
  border-top: var(--rule);
}
.ledger > div {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px 40px;
  padding: 22px 0 24px;
  border-bottom: var(--rule);
}
@media (min-width: 700px) {
  .ledger > div {
    grid-template-columns: 220px minmax(0, 1fr);
  }
}
.ledger .org {
  font-weight: 600;
  font-size: 16px;
  line-height: 1.35;
}
.ledger .meta {
  display: block;
  margin-top: 4px;
  font-weight: 400;
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 1.4;
}
.ledger .what {
  font-size: 16px;
  max-width: 66ch;
  color: #22403a;
}
.ledger .who {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  color: var(--ink-soft);
}

/* Principals */

.principals {
  background: var(--paper);
}
.person {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px 56px;
  padding: 32px 0 36px;
  border-top: var(--rule);
}
.person:first-of-type {
  margin-top: 8px;
}
@media (min-width: 880px) {
  .person {
    grid-template-columns: 240px minmax(0, 1fr);
  }
}
.person h3 {
  font-size: 28px;
  line-height: 1.1;
}
.person .role {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 22ch;
}
.person .role strong {
  display: block;
  font-weight: 500;
  color: var(--ink);
}
.person .bio p {
  max-width: 66ch;
  font-size: 16.5px;
}
.person .bio p + p {
  margin-top: 0.9em;
}
.person .contact-line {
  margin-top: 14px;
  font-size: 15px;
}

/* Contact (ink) */

.contact {
  background: var(--ink);
  color: var(--stone);
  padding: clamp(64px, 8vw, 112px) 0;
}
.contact h2 {
  color: #f4f5f1;
}
.contact .intro {
  color: #d7ded9;
}
.contact-list {
  margin-top: 32px;
  border-top: 1px solid #2f4d46;
}
.contact-list > div {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px 40px;
  padding: 18px 0 20px;
  border-bottom: 1px solid #2f4d46;
}
@media (min-width: 700px) {
  .contact-list > div {
    grid-template-columns: 260px minmax(0, 1fr);
    align-items: baseline;
  }
  .contact-list .where {
    grid-column: 1;
  }
  .contact-list a {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: start;
  }
}
.contact-list p {
  margin: 0;
}
.contact-list .name {
  font-family: var(--serif);
  font-size: 20px;
  color: #f4f5f1;
  max-width: none;
}
.contact-list .where {
  font-size: 14.5px;
  color: var(--verdigris-2);
  margin: 2px 0 6px;
  max-width: none;
}
.contact-list a {
  color: #f4f5f1;
  text-decoration-color: var(--verdigris);
  font-size: 16px;
  overflow-wrap: anywhere;
}
.contact-list a:hover {
  color: #fff;
  text-decoration-color: #fff;
}
.contact-list a:focus-visible {
  outline-color: var(--verdigris);
}

/* Footer */

.footer {
  background: var(--ink-2);
  color: var(--verdigris-2);
  font-size: 14px;
  line-height: 1.6;
  padding: 26px 0 34px;
  border-top: 1px solid #2f4d46;
}
.footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 32px;
}
.footer p {
  max-width: none;
}