/* ICON site. Layout: a field notebook. One reading column per page, photos set beside the text they belong to, a dark forest band for contact at the foot of every page. */
:root {
  --paper: #F4F1E6;
  --paper-2: #EAE6D6;
  --card: #FBFAF4;
  --ink: #22281F;
  --muted: #5B6457;
  --forest: #1F3326;
  --leaf: #4E8C5A;
  --sage: #3E6B4A;
  --river: #2E7DA6;
  --ochre: #A0702A;
  --plum: #85587C;
  --rule: #D5DDD2;
  --halo: #F4F1E6;
  --band: #1F3326;
  --band-ink: #F4F1E6;
  --band-muted: #BFD8C2;
  --band-rule: rgba(244, 241, 230, 0.16);
  --display: "Playfair Display", "Iowan Old Style", Georgia, serif;
  --body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --gutter-l: max(16px, env(safe-area-inset-left, 0px));
  --gutter-r: max(16px, env(safe-area-inset-right, 0px));
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #131C16; --paper-2: #1A261E; --card: #18231B; --ink: #E9E6DA; --muted: #A9B3A4;
    --forest: #DCE8D8; --leaf: #7DBB89; --sage: #9CCBA6; --river: #6FB3DA;
    --ochre: #D9A65A; --plum: #C99BC0; --rule: #2B3A30; --halo: #131C16;
    --band: #0C130E; --band-ink: #F4F1E6; --band-muted: #9CCBA6; --band-rule: rgba(244, 241, 230, 0.14);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #131C16; --paper-2: #1A261E; --card: #18231B; --ink: #E9E6DA; --muted: #A9B3A4;
  --forest: #DCE8D8; --leaf: #7DBB89; --sage: #9CCBA6; --river: #6FB3DA;
  --ochre: #D9A65A; --plum: #C99BC0; --rule: #2B3A30; --halo: #131C16;
  --band: #0C130E; --band-ink: #F4F1E6; --band-muted: #9CCBA6; --band-rule: rgba(244, 241, 230, 0.14);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 17px/1.6 var(--body); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--sage); text-underline-offset: 3px; }
a:hover { color: var(--leaf); }
:focus-visible { outline: 2px solid var(--river); outline-offset: 3px; border-radius: 2px; }
h1, h2, h3 { font-family: var(--display); color: var(--forest); text-wrap: balance; margin: 0; }
p { margin: 0; }
ul { margin: 0; }

.wrap { max-width: 1120px; margin: 0 auto; padding-left: var(--gutter-l); padding-right: var(--gutter-r); }
@media (min-width: 700px) { .wrap { padding-left: max(40px, env(safe-area-inset-left, 0px)); padding-right: max(40px, env(safe-area-inset-right, 0px)); } }
.skip { position: absolute; left: -999px; top: 8px; background: var(--forest); color: var(--paper); padding: 8px 14px; border-radius: 6px; z-index: 20; }
.skip:focus { left: 16px; }

.eyebrow { font: 500 12px/1.4 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--sage); }

/* Header */
.top { border-bottom: 1px solid var(--rule); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 10px 28px; flex-wrap: wrap; padding-block: 14px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--forest); }
.brand img { width: 38px; height: 38px; border-radius: 50%; background: #F4F1E6; padding: 2px; }
.brand b { font: 600 17px/1.1 var(--body); letter-spacing: 0.04em; display: block; }
.brand small { font: 400 12px/1.2 var(--body); color: var(--muted); display: block; }
.top nav ul { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 20px; font-size: 15px; }
.top nav a { color: var(--muted); text-decoration: none; }
.top nav a:hover { color: var(--forest); text-decoration: underline; }
.top nav a[aria-current="page"] { color: var(--forest); font-weight: 600; }
@media (max-width: 700px) { .top nav ul { gap: 4px 16px; font-size: 14.5px; } }

/* Page heads and sections */
.page-head .wrap { padding-block: 56px 40px; }
.page-head h1 { font-size: clamp(34px, 5vw, 52px); line-height: 1.08; margin-top: 12px; max-width: 18em; }
.page-head .lede { font-size: 19px; margin-top: 18px; max-width: 38em; }
section.block { border-top: 1px solid var(--rule); }
section.block > .wrap { padding-block: 56px; }
.block h2 { font-size: clamp(27px, 3.4vw, 36px); line-height: 1.15; margin-top: 10px; max-width: 22em; }
.prose { display: grid; gap: 16px; max-width: 40em; }
.prose ul { padding-left: 1.2em; display: grid; gap: 6px; }
.prose li::marker, .ticks li::marker { color: var(--leaf); }
.split { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: 48px; }
.split > * { min-width: 0; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-block; padding: 11px 20px; border-radius: 999px; font-weight: 500; font-size: 15px; text-decoration: none; border: 1.5px solid var(--forest); color: var(--forest); }
.btn:hover { color: var(--leaf); border-color: var(--leaf); }
.btn.primary { background: var(--forest); color: var(--paper); }
.btn.primary:hover { background: var(--sage); border-color: var(--sage); color: var(--paper); }
figure { margin: 0; }
figcaption { font-size: 13.5px; color: var(--muted); margin-top: 8px; }
.photo img { border-radius: 10px; width: 100%; object-fit: cover; }

/* Home */
.hero .wrap { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: 48px; align-items: center; padding-block: 56px 64px; }
.hero h1 { font-size: clamp(36px, 5vw, 56px); line-height: 1.06; letter-spacing: -0.01em; margin-top: 14px; }
.hero .lede { font-size: 19px; margin-top: 20px; max-width: 34em; }
.hero .actions { margin-top: 28px; }
.hero .photo img { aspect-ratio: 4 / 3.4; }
.areas { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px 40px; margin-top: 34px; }
.areas > div { border-top: 2px solid var(--leaf); padding-top: 14px; display: grid; gap: 8px; align-content: start; }
.areas h3 { font: 600 18px/1.3 var(--body); color: var(--forest); }
.areas .eg { font-size: 15.5px; color: var(--muted); }
.areas .eg b { color: var(--ink); font-weight: 600; }
.clients { margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--rule); display: grid; gap: 10px; }
.clients ul { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 26px; font: 500 16px var(--body); color: var(--forest); }
.teaser { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: 48px; align-items: center; }
.teaser .prose { margin-top: 18px; }
.teaser .actions { margin-top: 24px; }

/* Number ledger, used on Home and the IoC page */
.ledger { margin: 22px 0 0; display: grid; }
.ledger div { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 9px 0; border-bottom: 1px solid var(--rule); }
.ledger dt { color: var(--ink); }
.ledger dd { margin: 0; font: 500 17px var(--mono); color: var(--forest); font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.asof { font-size: 13px; color: var(--muted); margin-top: 10px; }

/* About */
.bio { display: grid; grid-template-columns: minmax(0, 220px) minmax(0, 1fr); gap: 40px; align-items: start; }
.bio .portrait img { border-radius: 10px; aspect-ratio: 462 / 496; }
.bio .prose { font-size: 18px; }
.cols-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px 56px; }
.cols-2 > * { min-width: 0; }
.cols-2 h3, .label-h { font: 600 15px/1.3 var(--body); letter-spacing: 0.08em; text-transform: uppercase; color: var(--sage); }
.ticks { padding-left: 1.2em; display: grid; gap: 8px; margin-top: 12px; }
.files { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }

/* Services */
.service { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: 40px; align-items: start; }
.service + .service { margin-top: 56px; padding-top: 56px; border-top: 1px solid var(--rule); }
.service h2 { margin-top: 0; }
.service .summary { font-size: 18px; margin-top: 12px; max-width: 34em; }
.service .label-h { margin-top: 22px; }
.service .ticks { margin-top: 8px; }
.evidence { margin-top: 20px; padding: 14px 18px; background: var(--paper-2); border-radius: 8px; font-size: 15.5px; }
.evidence b { color: var(--forest); font-weight: 600; }
.service .photo img { aspect-ratio: 4 / 3; }
.service .photo.plain img { object-fit: contain; background: #fff; padding: 8px; }
.steps { list-style: none; padding: 0; margin-top: 28px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px 36px; counter-reset: step; }
.steps li { counter-increment: step; border-top: 2px solid var(--leaf); padding-top: 14px; }
.steps li::before { content: "Step " counter(step); display: block; font: 500 12px var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--sage); margin-bottom: 6px; }
.steps h3 { font: 600 18px/1.3 var(--body); color: var(--forest); }
.steps p { margin-top: 6px; font-size: 16px; }

/* Projects */
.group-head { display: grid; gap: 8px; max-width: 44em; }
.group-head p { color: var(--muted); }
.projects { list-style: none; padding: 0; margin-top: 32px; display: grid; gap: 0; }
.project { display: grid; grid-template-columns: minmax(0, 200px) minmax(0, 1fr); gap: 28px; padding-block: 28px; border-top: 1px solid var(--rule); scroll-margin-top: 16px; }
.project:last-child { border-bottom: 1px solid var(--rule); }
.project .thumb { background: #fff; border-radius: 8px; border: 1px solid var(--rule); aspect-ratio: 4 / 3; display: grid; place-items: center; overflow: hidden; }
.project .thumb img { width: 100%; height: 100%; object-fit: cover; }
.project .thumb.fit img { object-fit: contain; padding: 6px; }
.project h3 { font-size: 23px; line-height: 1.2; }
.project .meta { display: flex; flex-wrap: wrap; gap: 4px 18px; margin-top: 8px; font-size: 14.5px; color: var(--muted); }
.project .meta .years { font: 500 14px var(--mono); color: var(--sage); font-variant-numeric: tabular-nums; }
.project .who { margin-top: 10px; font-size: 15.5px; display: grid; gap: 2px; }
.project .who b { font-weight: 600; color: var(--forest); }
.project .desc { margin-top: 12px; max-width: 42em; }
.project .joint { display: inline-block; margin-top: 10px; font-size: 13.5px; font-weight: 500; color: var(--forest); background: var(--paper-2); border-radius: 999px; padding: 3px 12px; }

/* Publications */
ol.cites { padding-left: 1.4em; display: grid; gap: 20px; margin-top: 28px; max-width: 46em; }
ol.cites li::marker { font: 500 14px var(--mono); color: var(--sage); }
ol.cites .yr { font-family: var(--mono); font-size: 0.92em; }
ol.cites a { font-weight: 500; }
ol.cites .doi { display: block; font: 400 13px var(--mono); color: var(--muted); margin-top: 3px; overflow-wrap: anywhere; }
.talks { list-style: none; padding: 0; margin-top: 24px; display: grid; gap: 14px; max-width: 46em; }
.talks li { display: grid; grid-template-columns: 4.5em minmax(0, 1fr); gap: 16px; }
.talks .yr { font: 500 14px var(--mono); color: var(--sage); padding-top: 3px; }
.talks .what { color: var(--muted); font-size: 15px; display: block; }

/* Contact page */
.inquiries { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px 36px; margin-top: 30px; }
.inquiries > div { border-top: 2px solid var(--leaf); padding-top: 14px; }
.inquiries h3 { font: 600 18px/1.3 var(--body); color: var(--forest); }
.inquiries p { margin-top: 6px; font-size: 16px; }
.mail-card { margin-top: 28px; background: var(--card); border: 1px solid var(--rule); border-radius: 10px; padding: 22px 24px; display: grid; gap: 12px; max-width: 40em; }
.mail-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 12px; }
.mail-row a.addr { font: 500 18px var(--mono); overflow-wrap: anywhere; }
.copy { font: 500 14px var(--body); color: var(--forest); background: transparent; border: 1.5px solid var(--rule); border-radius: 999px; padding: 6px 14px; cursor: pointer; }
.copy:hover { border-color: var(--forest); }
.mail-card dl { margin: 0; display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 6px 18px; font-size: 15.5px; }
.mail-card dt { color: var(--muted); }
.mail-card dd { margin: 0; }

/* Footer band */
.band { background: var(--band); color: var(--band-ink); }
.band .wrap { padding-block: 56px 32px; display: grid; gap: 36px; }
.band h2 { color: var(--band-ink); font-size: clamp(26px, 3.2vw, 34px); line-height: 1.2; }
.band .eyebrow { color: var(--band-muted); }
.band a { color: var(--band-ink); }
.band a:hover { color: var(--band-muted); }
.band-grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: 36px 56px; align-items: start; }
.band-grid > * { min-width: 0; }
.band p.invite { margin-top: 12px; max-width: 34em; }
.band dl { margin: 0; display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 8px 20px; font-size: 16px; }
.band dt { color: var(--band-muted); font: 500 12px/2 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }
.band dd { margin: 0; overflow-wrap: anywhere; }
.disclaimer { font-size: 13.5px; color: var(--band-muted); max-width: 60em; border-top: 1px solid var(--band-rule); padding-top: 20px; }
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; font-size: 13px; color: var(--band-muted); }
.foot img { height: 30px; width: auto; }

@media (max-width: 880px) {
  .hero .wrap, .split, .teaser, .service, .band-grid { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .hero .wrap { padding-block: 32px 48px; }
  .areas, .steps, .inquiries { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .service .photo { max-width: 480px; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .areas, .steps, .inquiries, .cols-2 { grid-template-columns: minmax(0, 1fr); }
  .bio { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .bio .portrait { max-width: 200px; }
  .project { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .project .thumb { max-width: 280px; }
  .page-head .wrap { padding-block: 36px 28px; }
  section.block > .wrap { padding-block: 44px; }
}