:root {
  --ink: #111;
  --ink-2: #555;
  --ink-3: #8a8a8a;
  --line: #d9d9d6;
  --paper: #f6f6f4;
  --tile: #ebebe8;
  --pad: clamp(1.25rem, 3.5vw, 3rem);
  --sans: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 4rem; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1rem/1.6 var(--sans);
  font-stretch: 100%;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
img { display: block; max-width: 100%; }
h1, h2, h3 { margin: 0; font-weight: 500; letter-spacing: -0.02em; }
p { margin: 0; }
.mono {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-2);
}

/* Top bar */
.bar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem var(--pad);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.bar__name { font-weight: 600; letter-spacing: -0.01em; }
.bar__nav { display: flex; gap: clamp(1rem, 3vw, 2.5rem); font-family: var(--mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; }

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: var(--pad);
  align-items: end;
  padding: clamp(3rem, 8vw, 7rem) var(--pad) var(--pad);
  min-height: calc(100vh - 3.5rem);
}
.hero h1 {
  margin: 1.5rem 0 2rem;
  font-size: clamp(3.5rem, 10vw, 9.5rem);
  line-height: 0.88;
  font-weight: 600;
  font-stretch: 75%;
  letter-spacing: -0.035em;
}
.hero__lede { max-width: 26rem; font-size: 1.05rem; color: var(--ink-2); }
.hero__img { margin: 0; }
.hero__img img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; filter: grayscale(1) contrast(1.05); }
.hero__img figcaption { margin-top: 0.75rem; }

/* Index */
.index {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--pad);
  padding: var(--pad);
  border-top: 1px solid var(--ink);
}
.index h2 { margin-bottom: 1rem; }
.index ol { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.index li a {
  display: grid;
  grid-template-columns: 3rem 1fr auto;
  align-items: baseline;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: padding 0.25s ease;
}
.index li a:hover { text-decoration: none; padding-left: 0.5rem; }

/* Parts */
.part { padding: 0 var(--pad); }
.part__head {
  display: grid;
  grid-template-columns: 8rem 1fr auto;
  align-items: baseline;
  gap: 1rem;
  padding: clamp(4rem, 10vw, 8rem) 0 1.5rem;
  border-bottom: 1px solid var(--ink);
}
.part__head h2 { font-size: clamp(2rem, 5vw, 4rem); font-stretch: 80%; font-weight: 600; line-height: 1; }

/* Project */
.project { padding: clamp(3rem, 7vw, 6rem) 0 0; }
.project + .project { border-top: 1px solid var(--line); margin-top: clamp(3rem, 7vw, 6rem); }
.project__head { display: grid; grid-template-columns: 8rem 1fr; gap: 1rem; margin-bottom: 2.5rem; }
.project__num { padding-top: 0.6rem; }
.project h3 { font-size: clamp(2rem, 4.5vw, 3.5rem); line-height: 1; font-weight: 500; }
.project__sub { margin-top: 0.6rem; color: var(--ink-2); font-size: 1.1rem; }
.project__body { display: grid; grid-template-columns: 8rem minmax(0, 1fr) minmax(0, 1.4fr); gap: 1rem; margin-bottom: 3rem; }
.project__meta { grid-column: 2; margin: 0; display: grid; grid-template-columns: 6.5rem 1fr; gap: 0.5rem 1rem; align-content: start; font-size: 0.92rem; }
.project__meta dt { padding-top: 0.15rem; }
.project__meta dd { margin: 0; }
.project__text { display: grid; gap: 1rem; max-width: 40rem; color: #2a2a2a; }
.project__link a { font-family: var(--mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; border-bottom: 1px solid var(--ink); }
.project__link a:hover { text-decoration: none; }

/* Gallery */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-flow: dense; gap: 1.25rem 1rem; }
.tile { margin: 0; }
.tile--wide { grid-column: span 2; }
.tile button {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  padding: 0;
  border: 0;
  background: var(--tile);
  cursor: zoom-in;
  overflow: hidden;
}
.tile--wide button { aspect-ratio: auto; height: calc(100% - 1.9rem); min-height: 16rem; }
.tile img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: grayscale(1);
  transition: filter 0.5s ease, transform 0.8s cubic-bezier(.2,.7,.2,1);
}
.tile button:hover img, .tile button:focus-visible img { filter: grayscale(0); transform: scale(1.02); }
.tile button:focus-visible { outline: 1px solid var(--ink); outline-offset: 3px; }
.tile figcaption { margin-top: 0.55rem; color: var(--ink-3); }

/* Reveal */
.tile, .project__head, .project__body { opacity: 0; transform: translateY(14px); transition: opacity 0.7s ease, transform 0.7s ease; }
.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .tile, .project__head, .project__body { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* Resume */
.resume__grid {
  display: grid;
  grid-template-columns: 8rem 1fr 1fr;
  gap: 3rem 1rem;
  padding: 3rem 0 clamp(4rem, 8vw, 7rem);
}
.label { margin-bottom: 1rem; }
.resume__contact { grid-column: 2 / -1; display: flex; flex-wrap: wrap; gap: 0.5rem 2.5rem; align-items: baseline; font-size: 1.1rem; }
.resume__contact .label { width: 100%; margin-bottom: 0; }
.resume__dl a { font-family: var(--mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; border-bottom: 1px solid var(--ink); }
.resume__block:nth-of-type(1) { grid-column: 2 / -1; }
.resume__block:nth-of-type(2) { grid-column: 2 / -1; }
.rows { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.rows li {
  display: grid;
  grid-template-columns: 1.2fr 1fr 11rem;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.rows li span:first-child { font-weight: 500; }
.rows li span:nth-child(2) { color: var(--ink-2); }
.rows li .mono { text-align: right; }
.resume__skills { grid-column: 2 / -1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem 1.5rem; }
.resume__skills > div:nth-child(4) { grid-column: span 2; }
.resume__skills p:not(.label) { color: #2a2a2a; font-size: 0.95rem; }

/* Footer */
.foot {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem var(--pad);
  border-top: 1px solid var(--ink);
  font-size: 0.9rem;
}

/* Lightbox */
.lightbox {
  width: 100vw;
  height: 100vh;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: var(--paper);
  color: var(--ink);
}
.lightbox[open] { display: grid; grid-template-columns: 4rem 1fr 4rem; align-items: center; }
.lightbox::backdrop { background: var(--paper); }
.lightbox figure { margin: 0; height: 100vh; display: flex; flex-direction: column; justify-content: center; padding: 4rem 0 2rem; }
.lightbox img { max-height: calc(100vh - 8rem); max-width: 100%; margin: 0 auto; object-fit: contain; }
.lightbox figcaption { display: flex; justify-content: space-between; margin-top: 1rem; }
.lightbox button { background: none; border: 0; color: var(--ink); cursor: pointer; font: inherit; }
.lightbox__nav { font-size: 1.5rem; height: 100%; }
.lightbox__nav:hover, .lightbox__close:hover { opacity: 0.5; }
.lightbox__close { position: absolute; top: 1rem; right: var(--pad); font-family: var(--mono) !important; font-size: 0.75rem !important; text-transform: uppercase; letter-spacing: 0.04em; }

/* Responsive */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: 0; }
  .index { grid-template-columns: 1fr; }
  .part__head { grid-template-columns: 1fr; gap: 0.4rem; }
  .project__head { grid-template-columns: 1fr; gap: 0.5rem; }
  .project__body { grid-template-columns: 1fr; gap: 2rem; }
  .project__meta { grid-column: auto; }
  .gallery { grid-template-columns: 1fr 1fr; }
  .resume__grid { grid-template-columns: 1fr; }
  .resume__contact, .resume__block:nth-of-type(1), .resume__block:nth-of-type(2), .resume__skills { grid-column: auto; }
  .resume__skills { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .bar__name { font-size: 0.9rem; }
  .bar__nav { gap: 0.9rem; font-size: 0.68rem; }
  .gallery { grid-template-columns: 1fr; }
  .tile--wide { grid-column: auto; }
  .tile--wide button { height: auto; aspect-ratio: 4 / 3; min-height: 0; }
  .rows li { grid-template-columns: 1fr; gap: 0.15rem; }
  .rows li .mono { text-align: left; }
  .resume__skills { grid-template-columns: 1fr; }
  .resume__skills > div:nth-child(4) { grid-column: auto; }
  .lightbox[open] { grid-template-columns: 2.5rem 1fr 2.5rem; }
  .foot { flex-direction: column; }
}