:root {
  --paper: #ece8de;
  --paper-deep: #ddd7c9;
  --ink: #11110f;
  --muted: #6d6a62;
  --line: #b9b3a6;
  --accent: #f04a2f;
  --white: #f8f5ed;
  --display: "Bodoni 72", Didot, "Iowan Old Style", Georgia, serif;
  --mono: "SFMono-Regular", "Cascadia Mono", Menlo, Consolas, monospace;
  --page-pad: clamp(1rem, 2.4vw, 2.5rem);
  --grid-gap: clamp(1.4rem, 2.4vw, 3rem);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body {
  margin: 0;
  overflow-x: hidden;
  background:
    linear-gradient(90deg, transparent calc(100% - 1px), #0000000b 1px) 0 0 / 5vw 100%,
    var(--paper);
  color: var(--ink);
  font-family: var(--mono);
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
[hidden] { display: none !important; }

.site-header {
  position: relative;
  z-index: 20;
  display: flex;
  min-height: 4.5rem;
  align-items: stretch;
  justify-content: space-between;
  border-bottom: 1px solid var(--ink);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  font-size: .68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.brand,
.header-meta {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  padding: 0 var(--page-pad);
}
.brand { font-weight: 700; }
.brand-mark {
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  background: var(--ink);
  color: var(--paper);
  letter-spacing: -.08em;
}
.header-meta { border-left: 1px solid var(--ink); color: var(--muted); }
.header-meta span + span::before { content: "•"; margin-right: 1.1rem; color: var(--accent); }
.header-meta b { color: var(--ink); }

.hero-index {
  position: relative;
  min-height: clamp(16rem, 34vh, 22rem);
  display: grid;
  grid-template-rows: 1fr auto;
  padding: 1rem var(--page-pad) 1.25rem;
  border-bottom: 1px solid var(--ink);
  background:
    linear-gradient(90deg, transparent calc(100% - 1px), #11110f14 1px) 0 0 / 25% 100%,
    linear-gradient(180deg, color-mix(in srgb, var(--white) 24%, transparent), transparent 64%);
  overflow: hidden;
}
.hero-index::after {
  content: "";
  position: absolute;
  top: 0;
  right: clamp(2rem, 7vw, 7rem);
  width: clamp(.6rem, 1vw, 1rem);
  height: 18%;
  background: var(--accent);
}
.hero-foot {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: .64rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.hero-main {
  align-self: center;
  display: grid;
  grid-template-columns: clamp(5.5rem, 9vw, 8rem) minmax(0, 1fr);
  align-items: end;
  gap: clamp(1rem, 2vw, 2rem);
  margin: 1rem 0;
}
.hero-number {
  margin: 0 0 .8em;
  color: var(--muted);
  font-size: .64rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.hero-number b { color: var(--accent); }
.hero-index h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(3.5rem, 7vw, 7rem);
  font-weight: 400;
  letter-spacing: -.068em;
  line-height: .76;
  white-space: nowrap;
}
.hero-foot { align-items: end; }
.hero-foot p { margin: 0; color: var(--muted); }
.hero-foot a { padding-bottom: .2rem; border-bottom: 1px solid currentColor; font-weight: 700; }

.catalogue { padding: 0 var(--page-pad) clamp(5rem, 9vw, 9rem); }
.catalogue-header {
  position: sticky;
  top: 0;
  z-index: 15;
  display: grid;
  grid-template-columns: 1fr;
  align-items: end;
  min-height: 7.25rem;
  margin: 0 calc(var(--page-pad) * -1) var(--grid-gap);
  padding: 1.15rem var(--page-pad) 0;
  border-bottom: 1px solid var(--ink);
  background: color-mix(in srgb, var(--paper) 94%, transparent);
  backdrop-filter: blur(12px);
}
.catalogue-header h2 {
  margin: 0;
  font: 700 .72rem/1 var(--mono);
  letter-spacing: .12em;
}
.catalogue-heading { display: flex; align-items: baseline; gap: 1rem; }
.page-summary { color: var(--muted); font-size: .6rem; letter-spacing: .08em; }
.catalogue-header sup { margin-left: .35rem; color: var(--accent); font-size: .65em; }

.filter-nav {
  display: flex;
  width: 100%;
  min-width: 0;
  justify-content: flex-start;
  gap: .35rem;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  padding: .55rem 0 .85rem;
  scroll-padding-inline: .15rem;
  scrollbar-width: none;
}
.filter-nav::-webkit-scrollbar { display: none; }
.filter-nav button {
  flex: 0 0 auto;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: .55rem .75rem;
  background: transparent;
  cursor: pointer;
  font-size: .62rem;
  line-height: 1.2;
  letter-spacing: .04em;
  white-space: nowrap;
}
.filter-nav button:hover { border-color: var(--line); }
.filter-nav button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.filter-nav small { margin-left: .25rem; opacity: .58; font-size: .85em; }

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(3rem, 6vw, 7rem) var(--grid-gap);
}
.project-card {
  --frame-scale: .52;
  position: relative;
  min-width: 0;
  animation: project-in .65s both;
  animation-delay: calc(var(--order, 0) * 55ms);
}
.project-preview {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid var(--ink);
  background: var(--paper-deep);
  box-shadow: 0 1.5rem 4rem #302b2112;
  isolation: isolate;
}
.project-preview::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(105deg, var(--paper-deep) 30%, var(--white) 47%, var(--paper-deep) 64%);
  background-size: 240% 100%;
  animation: loading 1.4s linear infinite;
}
.project-preview::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  border: .55rem solid transparent;
  transition: border-color 220ms ease, background 220ms ease;
}
.project-preview iframe {
  width: calc(100% / var(--frame-scale));
  height: calc(100% / var(--frame-scale));
  border: 0;
  background: #fff;
  pointer-events: none;
  transform: scale(var(--frame-scale));
  transform-origin: 0 0;
}
.project-link {
  position: absolute;
  inset: 0;
  z-index: 5;
}
.project-link:focus-visible { outline: 4px solid var(--accent); outline-offset: 5px; }
.project-action {
  position: absolute;
  right: .8rem;
  bottom: .8rem;
  z-index: 2;
  display: grid;
  width: 3rem;
  height: 3rem;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  font-size: .72rem;
  transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}
.project-card:hover .project-preview::after { border-color: var(--accent); background: #f04a2f0b; }
.project-card:hover .project-action { background: var(--accent); color: var(--ink); transform: rotate(45deg); }

.project-meta {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid transparent;
}
.project-number,
.project-category { font-size: .61rem; letter-spacing: .07em; text-transform: uppercase; }
.project-number { color: var(--accent); font-weight: 700; }
.project-name { margin: 0; font: 400 clamp(1.45rem, 2.3vw, 2.5rem)/.95 var(--display); letter-spacing: -.035em; }
.project-category { color: var(--muted); text-align: right; }

.pagination {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  margin-top: clamp(3.5rem, 7vw, 7rem);
  padding-top: 1rem;
  border-top: 1px solid var(--ink);
}
.pagination-pages { display: flex; align-items: center; justify-content: center; gap: .35rem; }
.pagination-button {
  min-width: 2.35rem;
  min-height: 2.35rem;
  border: 1px solid transparent;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  font-size: .65rem;
  letter-spacing: .06em;
}
.pagination-button:hover:not(:disabled) { border-color: var(--ink); }
.pagination-button[aria-current="page"] { background: var(--ink); color: var(--paper); }
.pagination-button:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.pagination-button:disabled { color: var(--line); cursor: not-allowed; }
.pagination-button--edge { width: max-content; border-radius: 999px; padding: 0 .85rem; }
.pagination-button--edge:last-child { justify-self: end; }

.load-error {
  min-height: 45vh;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 1rem;
  border: 1px solid var(--ink);
}
.load-error p { margin: 0; font: 400 2rem/1 var(--display); }
.load-error button { border: 1px solid var(--ink); border-radius: 999px; padding: .7rem 1rem; background: transparent; cursor: pointer; }
.load-error button:hover { background: var(--ink); color: var(--paper); }
.load-error button:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

.site-footer {
  min-height: 8rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: clamp(1rem, 3vw, 3rem);
  padding: 1.5rem var(--page-pad);
  border-top: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font-size: .62rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.footer-identity {
  display: grid;
  min-width: 0;
  gap: .35rem;
}
.footer-kicker { font-weight: 700; }
.footer-owner { color: color-mix(in srgb, var(--paper) 62%, transparent); }
.footer-social {
  display: flex;
  max-width: 100%;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: .45rem 1rem;
}
.footer-link {
  display: inline-flex;
  min-height: 2rem;
  align-items: center;
  gap: .35rem;
  color: var(--paper);
}
.footer-link:is(:hover, :focus-visible) { color: var(--accent); }
.footer-link:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }

@keyframes loading { to { background-position: -240% 0; } }
@keyframes project-in {
  from { opacity: 0; transform: translateY(2rem); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 760px) {
  :root { --page-pad: 1rem; }
  .site-header { min-height: 4rem; }
  .brand { gap: .7rem; }
  .header-meta span:first-child { display: none; }
  .header-meta span + span::before { display: none; }
  .hero-index { min-height: 15rem; padding-top: .7rem; }
  .hero-index::after { right: 1.75rem; height: 14%; }
  .hero-main { grid-template-columns: 1fr; gap: .55rem; margin: .5rem 0 1rem; }
  .hero-number { margin: 0; }
  .hero-index h1 { font-size: clamp(3rem, 15vw, 5rem); line-height: .82; }
  .hero-foot p { max-width: 13rem; line-height: 1.5; }
  .catalogue-header {
    position: relative;
    min-height: 6.6rem;
    padding-top: 1rem;
  }
  .catalogue-heading { justify-content: space-between; }
  .filter-nav { justify-content: flex-start; margin-right: calc(var(--page-pad) * -1); }
  .portfolio-grid { grid-template-columns: 1fr; gap: 3.5rem; }
  .project-meta { grid-template-columns: 2.2rem minmax(0, 1fr); }
  .project-category { grid-column: 2; text-align: left; }
  .pagination { grid-template-columns: auto 1fr auto; gap: .4rem; }
  .pagination-pages { gap: .1rem; }
  .pagination-button--edge { padding: 0 .6rem; font-size: .58rem; }
  .site-footer { align-items: flex-start; flex-direction: column; }
  .footer-social { justify-content: flex-start; flex-wrap: wrap; }
  .footer-link { overflow-wrap: anywhere; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}