@font-face {
  font-family: "InterVariable";
  src: url("fonts/InterVariable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --paper: #f3f0e8;
  --ink: #151514;
  --muted: #69645c;
  --rule: #c9c1b4;
  --accent: #8b5a2b;
  --accent-dark: #5d381c;
  --gutter: clamp(18px, 3.2vw, 52px);
  --section-y: clamp(78px, 12vw, 170px);
  --small: clamp(0.72rem, 0.72rem + 0.12vw, 0.82rem);
  --body: clamp(1rem, 0.96rem + 0.22vw, 1.16rem);
  --lead: clamp(1.28rem, 1.08rem + 1vw, 2.03rem);
  --display: clamp(4rem, 7.6vw, 8.8rem);
}

* { box-sizing: border-box; }

html {
  color-scheme: light;
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  font-family: "InterVariable", Helvetica, Arial, sans-serif;
  font-size: var(--body);
  line-height: 1.48;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(21,21,20,0.035) 1px, transparent 1px) 0 0 / calc((100vw - (2 * var(--gutter))) / 12) 100%,
    var(--paper);
  font-variation-settings: "opsz" 14;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0 var(--gutter);
  border-left: 1px solid rgba(21, 21, 20, 0.08);
  border-right: 1px solid rgba(21, 21, 20, 0.08);
  pointer-events: none;
  z-index: -1;
}

::selection {
  color: var(--paper);
  background: var(--accent-dark);
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: 10px;
  transform: translateY(-160%);
  padding: 8px 10px;
  color: var(--paper);
  background: var(--ink);
  z-index: 10;
}

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

a:hover { color: var(--accent-dark); }

.site-header,
.site-footer,
.grid-section {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: clamp(12px, 1.6vw, 24px);
  margin-inline: var(--gutter);
}

.site-header {
  min-height: 92px;
  align-items: start;
  padding-top: 24px;
  border-bottom: 1px solid var(--ink);
  font-size: var(--small);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.mark {
  grid-column: 1 / span 2;
  font-weight: 760;
  line-height: 0.9;
}

.nav {
  grid-column: 6 / 13;
  display: grid;
  grid-template-columns: repeat(5, max-content);
  gap: 14px 28px;
  justify-content: end;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
}

.nav a:hover,
.nav a[aria-current="true"] { color: var(--ink); }

.grid-section {
  position: relative;
  padding-block: var(--section-y);
  border-bottom: 1px solid var(--rule);
}

.hero {
  min-height: calc(100vh - 92px);
  padding-top: clamp(70px, 11vw, 150px);
  align-content: start;
}

.kicker,
.section-number,
.note,
.source-note,
.role,
.hero-meta,
.site-footer {
  font-size: var(--small);
  line-height: 1.35;
  color: var(--muted);
}

.kicker {
  grid-column: 1 / span 3;
  padding-top: 0.6em;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

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

h1 {
  grid-column: 4 / 13;
  max-width: 11ch;
  font-size: var(--display);
  line-height: 0.88;
  letter-spacing: -0.075em;
  font-weight: 720;
}

.hero-deck {
  grid-column: 7 / 13;
  margin-top: clamp(36px, 5vw, 72px);
  max-width: 680px;
  font-size: var(--lead);
  line-height: 1.08;
  letter-spacing: -0.038em;
  font-weight: 520;
}

.hero-meta {
  grid-column: 1 / span 4;
  align-self: end;
  margin-top: clamp(70px, 10vw, 140px);
  border-top: 1px solid var(--ink);
}

.hero-meta p {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--rule);
}

.hero-meta span { color: var(--accent-dark); }

.section-number {
  grid-column: 1 / span 1;
  color: var(--accent-dark);
  font-weight: 650;
}

h2 {
  grid-column: 2 / span 3;
  font-size: clamp(1.45rem, 1rem + 2vw, 3rem);
  line-height: 0.96;
  letter-spacing: -0.055em;
  font-weight: 680;
}

.lead,
.intro > p:not(.lead),
.studio > p:not(.lead):not(.note),
.interest > p:not(.lead):not(.note) {
  grid-column: 6 / 12;
}

.lead {
  font-size: var(--lead);
  line-height: 1.12;
  letter-spacing: -0.04em;
  font-weight: 520;
}

.intro > p:not(.lead) {
  margin-top: 28px;
  color: var(--muted);
}

.offer-list,
.matrix,
.timeline,
.people-grid,
.principle-list {
  grid-column: 5 / 13;
  margin: 0;
}

.offer-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
}

.offer-list article {
  min-height: 180px;
  padding: 18px 24px 22px 0;
  border-bottom: 1px solid var(--rule);
}

.offer-list article:nth-child(odd) { border-right: 1px solid var(--rule); }
.offer-list article:nth-child(even) { padding-left: 24px; }

.offer-list span,
.principle-list span,
.timeline span,
.matrix b {
  display: block;
  margin-bottom: 20px;
  color: var(--accent-dark);
  font-size: var(--small);
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 690;
}

.offer-list p,
.matrix span,
.timeline p,
.people-grid p,
.principle-list p {
  max-width: 34rem;
}

.matrix {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 56px;
  border-top: 1px solid var(--ink);
}

.matrix div {
  padding: 18px 18px 0 0;
  min-height: 240px;
  border-right: 1px solid var(--rule);
}

.matrix div:last-child { border-right: 0; }

.matrix span { display: block; }

.note {
  grid-column: 6 / 10;
  margin-top: 28px;
  color: var(--accent-dark);
}

.timeline {
  list-style: none;
  padding: 0;
  border-top: 1px solid var(--ink);
}

.timeline li {
  display: grid;
  grid-template-columns: minmax(120px, 2fr) 5fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
}

.timeline span { margin: 0; }

.people-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
}

.people-grid article {
  padding: 20px 20px 0 0;
  min-height: 265px;
  border-right: 1px solid var(--rule);
}

.people-grid article:last-child { border-right: 0; }

h3 {
  margin-bottom: 8px;
  font-size: clamp(1.25rem, 0.9rem + 1.3vw, 2.15rem);
  line-height: 1;
  letter-spacing: -0.05em;
  font-weight: 670;
}

.role {
  margin-bottom: 50px;
  color: var(--accent-dark);
  text-transform: uppercase;
  letter-spacing: 0.055em;
}

.source-note {
  grid-column: 5 / 9;
  margin-top: 28px;
}

.principle-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
}

.principle-list li {
  min-height: 210px;
  padding: 18px 20px 0 0;
  border-right: 1px solid var(--rule);
}

.principle-list li:last-child { border-right: 0; }

.mail-link {
  grid-column: 6 / 13;
  display: inline-block;
  width: fit-content;
  margin-top: 46px;
  color: var(--ink);
  font-size: clamp(2.35rem, 5vw, 6.1rem);
  line-height: 0.94;
  letter-spacing: -0.07em;
  font-weight: 710;
  text-decoration-thickness: 0.045em;
  text-underline-offset: 0.12em;
}

.interest .note { grid-column: 6 / 11; }

.site-footer {
  padding-block: 22px 42px;
  align-items: start;
}

.site-footer p { grid-column: 1 / span 5; }
.site-footer a { grid-column: 11 / span 2; justify-self: end; }

@media (max-width: 1100px) {
  :root { --gutter: clamp(18px, 3vw, 34px); }
  .nav { grid-column: 4 / 13; gap: 12px 18px; }
  h1 { grid-column: 3 / 13; }
  .hero-deck { grid-column: 5 / 13; }
  .hero-meta { grid-column: 1 / span 5; }
  h2 { grid-column: 2 / span 4; }
  .lead,
  .intro > p:not(.lead),
  .studio > p:not(.lead):not(.note),
  .interest > p:not(.lead):not(.note),
  .offer-list,
  .matrix,
  .timeline,
  .people-grid,
  .principle-list,
  .mail-link,
  .interest .note { grid-column: 5 / 13; }
  .matrix { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .matrix div { min-height: 190px; border-bottom: 1px solid var(--rule); }
  .matrix div:nth-child(2n) { border-right: 0; padding-left: 18px; }
  .source-note { grid-column: 5 / 11; }
}

@media (max-width: 780px) {
  body {
    background:
      linear-gradient(90deg, rgba(21,21,20,0.035) 1px, transparent 1px) 0 0 / calc((100vw - (2 * var(--gutter))) / 6) 100%,
      var(--paper);
  }
  .site-header,
  .site-footer,
  .grid-section { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .site-header { min-height: 132px; row-gap: 22px; }
  .mark { grid-column: 1 / span 2; }
  .nav {
    grid-column: 1 / 7;
    grid-template-columns: repeat(5, max-content);
    justify-content: start;
    align-self: end;
    overflow-x: auto;
    padding-bottom: 14px;
  }
  .hero { min-height: auto; }
  .kicker,
  .section-number,
  h2,
  h1,
  .hero-deck,
  .hero-meta,
  .lead,
  .intro > p:not(.lead),
  .studio > p:not(.lead):not(.note),
  .interest > p:not(.lead):not(.note),
  .offer-list,
  .matrix,
  .timeline,
  .people-grid,
  .principle-list,
  .mail-link,
  .interest .note,
  .source-note { grid-column: 1 / 7; }
  .kicker { margin-bottom: 34px; }
  h1 { max-width: 8.7ch; }
  .hero-deck { margin-top: 34px; }
  .hero-meta { margin-top: 80px; }
  .section-number { margin-bottom: 12px; }
  h2 { max-width: 11ch; margin-bottom: 34px; }
  .offer-list { grid-template-columns: 1fr; }
  .offer-list article:nth-child(odd) { border-right: 0; }
  .offer-list article:nth-child(even) { padding-left: 0; }
  .matrix,
  .people-grid,
  .principle-list { grid-template-columns: 1fr; }
  .matrix div,
  .matrix div:nth-child(2n),
  .people-grid article,
  .principle-list li {
    min-height: 0;
    padding: 18px 0 38px 0;
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }
  .timeline li { grid-template-columns: 1fr; gap: 12px; }
  .role { margin-bottom: 28px; }
  .site-footer p { grid-column: 1 / span 4; }
  .site-footer a { grid-column: 5 / span 2; }
}

@media (max-width: 430px) {
  :root {
    --gutter: 16px;
    --section-y: 68px;
  }
  body { line-height: 1.5; }
  .site-header { min-height: 152px; padding-top: 18px; }
  .nav { gap: 10px 16px; font-size: 0.68rem; }
  h1 {
    max-width: 9.2ch;
    font-size: clamp(3.45rem, 18vw, 4.25rem);
    letter-spacing: -0.08em;
  }
  .hero-deck,
  .lead {
    font-size: 1.28rem;
    line-height: 1.16;
    letter-spacing: -0.035em;
  }
  .hero-meta p { grid-template-columns: 32px 1fr; }
  h2 { font-size: 2rem; }
  .mail-link {
    font-size: clamp(2.06rem, 12vw, 3rem);
    letter-spacing: -0.065em;
    overflow-wrap: anywhere;
  }
}

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


/* === Dark theme palette and surface overrides === */
html[data-theme="dark"] {
  --paper: #0a0a0a;
  --ink: #e8e6df;
  --muted: #8a857c;
  --rule: #2a2823;
  --accent: #b87a3c;
  --accent-dark: #d49a5f;
  color-scheme: dark;
}
html[data-theme="dark"] body { background: linear-gradient(90deg, rgba(232,230,223,0.035) 1px, transparent 1px) 0 0 / calc((100vw - (2 * var(--gutter))) / 12) 100%, var(--paper); }
html[data-theme="dark"] body::before { border-left-color: rgba(232,230,223,0.08); border-right-color: rgba(232,230,223,0.08); }
html[data-theme="dark"] .media-grid img { background: #1c1a17; }
html[data-theme="dark"] .placeholder { background: repeating-linear-gradient(135deg, rgba(232,230,223,.05) 0 1px, transparent 1px 14px); }

/* === Theme toggle button (inherits nav-link styling) === */
.theme-toggle { background: transparent; border: 0; padding: 0; cursor: pointer; color: var(--muted); font: inherit; text-transform: uppercase; letter-spacing: .02em; white-space: nowrap; }
.theme-toggle:hover { color: var(--ink); }
.theme-toggle::before { content: "theme / "; color: var(--accent-dark); }

/* === Theme-aware logo swap === */
.logo-on-dark { display: none; }
html[data-theme="dark"] .logo-on-dark { display: block; }
html[data-theme="dark"] .logo-on-light { display: none; }