/* Fonts: Lora (the face Brennen's portfolio is set in) + IBM Plex Mono for drawing-set labels */
@font-face { font-family: "Lora"; font-style: normal; font-weight: 400 600; font-display: swap; src: url(fonts/lora-normal-400-600.woff2) format("woff2"); }
@font-face { font-family: "Lora"; font-style: italic; font-weight: 400 500; font-display: swap; src: url(fonts/lora-italic-400-500.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url(fonts/ibm-plex-mono-normal-400.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 500; font-display: swap; src: url(fonts/ibm-plex-mono-normal-500.woff2) format("woff2"); }

:root {
  --paper: #f7f6f2;
  --paper-deep: #eeece5;
  --ink: #26272a;
  --graphite: #64635e;
  --pencil: #9a978f;
  --line: #d9d6cd;
  --kraft: #8d6a48;
  --lb-bg: #1c1c1b;

  --serif: "Lora", "Iowan Old Style", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --gutter: clamp(16px, 4vw, 56px);
  --gap: clamp(18px, 2.4vw, 36px);
  --sheet-pad: clamp(88px, 16vh, 180px);
  --bar-h: 56px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--bar-h); -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.6 var(--serif);
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 1.5px solid var(--ink); outline-offset: 4px; }

.skip { position: absolute; left: -9999px; top: 8px; z-index: 50; background: var(--ink); color: var(--paper); padding: 8px 12px; font: 500 12px var(--mono); }
.skip:focus { left: 8px; }

/* ---------- label voice: drawing-set annotation ---------- */
.sheet__no, .idx__label, .idx__n, .bar__toggle, .lb__count, .work__cap time, .foot__mail {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* ---------- top bar + index ---------- */
.bar {
  position: fixed; inset: 0 0 auto 0; z-index: 20;
  height: var(--bar-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--gutter);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.bar.is-scrolled { border-bottom-color: var(--line); }
.bar__name { font-size: 18px; text-decoration: none; letter-spacing: -.005em; }
.bar__actions { display: flex; align-items: center; gap: 22px; }
.bar__pdf {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase;
  text-decoration: none; padding: 10px 0; display: inline-flex; align-items: center; gap: 7px;
}
.bar__pdf::before { content: "↓"; font-size: 13px; }
.bar__pdf:hover { color: var(--kraft); }
.foot__pdf {
  grid-column: 9 / -1; grid-row: 3; justify-self: end; margin-top: 18px;
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; text-decoration: none; color: var(--graphite);
}
.foot__pdf::before { content: "↓ "; }
.foot__pdf:hover { color: var(--kraft); }
.bar__toggle {
  background: none; border: 0; padding: 10px 0 10px 16px; cursor: pointer;
  display: inline-flex; align-items: center; gap: 10px;
}
.bar__toggle::after {
  content: ""; width: 18px; height: 7px;
  border-top: 1px solid currentColor; border-bottom: 1px solid currentColor;
  transition: transform .3s;
}
.bar__toggle[aria-expanded="true"]::after { transform: scaleY(.15); }

.idx {
  position: absolute; top: var(--bar-h); right: var(--gutter);
  width: min(420px, calc(100vw - 2 * var(--gutter)));
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 22px 26px 26px;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .25s, transform .25s, visibility .25s;
  box-shadow: 0 24px 60px -30px rgba(38, 39, 42, .35);
}
.idx.is-open { opacity: 1; visibility: visible; transform: none; }
.idx__label { color: var(--graphite); margin: 0 0 14px; }
.idx ol { list-style: none; margin: 0; padding: 0; }
.idx li + li { border-top: 1px solid var(--line); }
.idx a {
  display: flex; gap: 14px; align-items: baseline;
  padding: 11px 0; text-decoration: none; font-size: 17px; line-height: 1.35;
}
.idx__n { color: var(--pencil); min-width: 2.6em; font-weight: 500; }
.idx a:hover, .idx a[aria-current="true"] { color: var(--kraft); }
.idx a:hover .idx__n, .idx a[aria-current="true"] .idx__n { color: var(--kraft); }

/* ---------- works (figures) ---------- */
.work { margin: 0; }
.work__open {
  display: block; width: 100%; padding: 0; border: 0; background: var(--paper-deep);
  cursor: zoom-in; position: relative;
}
.work__open img { width: 100%; transition: opacity .6s ease, transform .6s cubic-bezier(.2,.7,.2,1); }
.work__open::after {
  /* registration corner ticks, like crop marks on a drawing sheet */
  content: ""; position: absolute; inset: -7px; pointer-events: none; opacity: 0;
  background:
    linear-gradient(var(--ink), var(--ink)) top left / 12px 1px,
    linear-gradient(var(--ink), var(--ink)) top left / 1px 12px,
    linear-gradient(var(--ink), var(--ink)) top right / 12px 1px,
    linear-gradient(var(--ink), var(--ink)) top right / 1px 12px,
    linear-gradient(var(--ink), var(--ink)) bottom left / 12px 1px,
    linear-gradient(var(--ink), var(--ink)) bottom left / 1px 12px,
    linear-gradient(var(--ink), var(--ink)) bottom right / 12px 1px,
    linear-gradient(var(--ink), var(--ink)) bottom right / 1px 12px;
  background-repeat: no-repeat;
  transition: opacity .3s, inset .3s;
}
.work__open:hover::after, .work__open:focus-visible::after { opacity: 1; inset: -10px; }
.work__open:focus-visible { outline: none; }
.work__cap {
  margin-top: 14px;
  display: flex; flex-direction: column; gap: 4px;
  font-size: 15px; line-height: 1.45; color: var(--graphite);
  max-width: 36em;
}
.work__cap time { color: var(--pencil); }

/* ---------- cover ---------- */
.cover {
  min-height: 100svh;
  padding: calc(var(--bar-h) + clamp(24px, 5vh, 56px)) var(--gutter) clamp(32px, 6vh, 64px);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: 1fr auto;
  column-gap: var(--gap);
  row-gap: clamp(28px, 5vh, 56px);
}
.cover__works { display: contents; }
.cover__work--1 { grid-column: 1 / span 5; grid-row: 1; }
.cover__work--2 { grid-column: 7 / span 3; grid-row: 1; margin-top: 6vh; }
.cover__work--3 { grid-column: 10 / span 3; grid-row: 1 / span 2; margin-top: 3vh; }
.cover__title { grid-column: 1 / span 9; grid-row: 2; align-self: end; }
.cover__title h1 {
  margin: 0;
  font-weight: 400;
  font-size: clamp(56px, 8.3vw, 190px);
  line-height: .9;
  letter-spacing: -.035em;
  white-space: nowrap;
}
.cover__name { margin: clamp(10px, 1.6vw, 22px) 0 0 .25em; font-size: clamp(20px, 2vw, 30px); letter-spacing: -.01em; }

/* ---------- sheets ---------- */
.sheet {
  padding: var(--sheet-pad) var(--gutter) 0;
}
.sheet__head {
  display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--gap);
  align-items: end;
  padding-bottom: clamp(18px, 2.4vw, 30px);
  margin-bottom: clamp(36px, 6vw, 84px);
  position: relative;
}
.sheet__head::after {
  /* scale bar: a nod to "Scale and Structure" */
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 9px;
  background:
    linear-gradient(var(--line), var(--line)) bottom / 100% 1px no-repeat,
    repeating-linear-gradient(90deg, var(--pencil) 0 1px, transparent 1px 64px) bottom left / 100% 9px no-repeat,
    repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 16px) bottom left / 100% 5px no-repeat;
}
.sheet__no { grid-column: 1 / span 2; margin: 0 0 .9em; color: var(--graphite); }
.sheet__title {
  grid-column: 3 / -1; margin: 0;
  font-weight: 400;
  font-size: clamp(42px, 7.4vw, 140px);
  line-height: .95; letter-spacing: -.03em;
  text-wrap: balance;
}
.sheet__title--quiet { font-size: clamp(26px, 3.2vw, 52px); line-height: 1.1; letter-spacing: -.015em; }

.statement {
  display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--gap);
}
.statement p {
  grid-column: 3 / span 8;
  margin: 0 0 1.1em;
  font-size: clamp(20px, 1.9vw, 30px);
  line-height: 1.5;
  letter-spacing: -.005em;
  text-wrap: pretty;
  hyphens: manual;
}
#ga-tech .statement { row-gap: 0; }
#ga-tech .statement p { grid-column: 3 / span 5; font-size: clamp(19px, 1.55vw, 24px); }
#ga-tech .statement p + p { grid-column: 8 / span 5; }

/* masonry-style column gallery: every work at its own aspect ratio, nothing cropped */
.gallery { columns: 3; column-gap: var(--gap); }
.gallery .work { break-inside: avoid; margin-bottom: clamp(36px, 5vw, 72px); display: inline-block; width: 100%; }
.sheet--art .gallery { columns: 3; }

/* final products: staggered like the pinned-up collage on his page */
.models { display: grid; grid-template-columns: repeat(3, 1fr); column-gap: var(--gap); align-items: start; }
.models__col { display: grid; row-gap: var(--gap); }
.models__col--2 { margin-top: clamp(60px, 22vh, 260px); }
.nw { white-space: nowrap; }
.sheet__caption {
  margin: clamp(24px, 3vw, 40px) 0 0; font-size: 15px; color: var(--graphite);
  padding-top: 14px; border-top: 1px solid var(--line); max-width: 36em;
}

.pinup { margin: 0 auto; max-width: 1240px; }
.pinup .work__open { background: #fff; }
.pinup__caps {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap);
  margin-top: 16px; font-size: 15px; color: var(--graphite); line-height: 1.45;
}
.pinup__caps span { padding-top: 12px; border-top: 1px solid var(--line); }

/* ---------- footer ---------- */
.foot {
  margin-top: var(--sheet-pad);
  padding: clamp(56px, 10vh, 120px) var(--gutter) clamp(40px, 6vh, 64px);
  border-top: 1px solid var(--line);
  display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--gap); row-gap: 10px;
  align-items: end;
}
.foot__title { grid-column: 1 / span 8; margin: 0; font-size: clamp(36px, 5vw, 84px); line-height: 1; letter-spacing: -.03em; }
.foot__name { grid-column: 1 / span 6; margin: 0; font-size: 20px; color: var(--graphite); }
.foot__mail { grid-column: 9 / -1; grid-row: 1 / span 2; justify-self: end; text-decoration: none; padding-bottom: 4px; border-bottom: 1px solid var(--ink); text-transform: none; letter-spacing: .02em; font-size: 14px; }
.foot__mail:hover { color: var(--kraft); border-color: var(--kraft); }

/* ---------- reveal ---------- */
[data-reveal] .work, [data-reveal] .statement p, [data-reveal] .sheet__title {
  transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1);
}
.is-pending { opacity: 0; transform: translateY(18px); }
/* ---------- print / PDF export: landscape sheets like the original deck ---------- */
@page { size: 11in 8.5in; margin: 0; }
@media print {
  :root { --gap: .22in; }
  html, body { background: var(--paper); -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  body { font-size: 10.5pt; }
  .bar, .lb, .skip, .bar__pdf, .foot__pdf { display: none !important; }
  .is-pending { opacity: 1 !important; transform: none !important; }
  [data-reveal] * { transition: none !important; }
  .work__open { background: none; cursor: default; }
  .work__open::after { display: none; }

  /* every work keeps its own aspect ratio; heights are capped so a figure never splits across pages */
  .work { break-inside: avoid; display: inline-flex; flex-direction: column; width: min-content; }
  .work__open, .work__open picture, .work__open img { width: auto; max-width: none; }
  .work__cap { margin-top: 6pt; font-size: 8.5pt; gap: 1pt; }
  .work__cap time { font-size: 7pt; }

  .cover { min-height: 0; height: 8.5in; padding: .45in .55in; display: flex; flex-direction: column; justify-content: space-between; gap: .25in; break-after: page; }
  .cover__works { display: flex; justify-content: space-between; align-items: flex-start; gap: .3in; }
  .cover__work--1, .cover__work--2, .cover__work--3 { margin-top: 0; }
  .cover__work--1 img { height: 3.2in; }
  .cover__work--2 img { height: 3.5in; }
  .cover__work--3 img { height: 4.2in; }
  .cover__title { order: 0; }
  .cover__title h1 { font-size: 84pt; white-space: nowrap; }
  .cover__name { font-size: 20pt; }

  .sheet { padding: .45in .55in; break-before: page; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
  .sheet__head { margin-bottom: .3in; padding-bottom: 8pt; }
  .sheet__no { font-size: 7pt; }
  .sheet__title { font-size: 40pt; }
  .sheet__title--quiet { font-size: 22pt; }
  .statement p, #ga-tech .statement p { font-size: 15pt; line-height: 1.5; grid-column: 3 / span 8; }
  #ga-tech .statement p { grid-column: 3 / span 5; font-size: 13pt; }
  #ga-tech .statement p + p { grid-column: 8 / span 5; }

  .gallery { columns: auto; display: flex; flex-wrap: wrap; gap: .2in .24in; align-items: flex-start; }
  .gallery .work { margin: 0; width: min-content; }
  .gallery .work img { height: 2.3in; }
  .sheet--art .gallery .work img { height: 1.85in; }

  .models { display: flex; flex-wrap: wrap; gap: .25in; align-items: flex-start; }
  .models__col { display: contents; }
  .models__col--2 { margin: 0; }
  .models .work img { height: 2.75in; }
  .sheet__caption { font-size: 9pt; margin-top: 10pt; padding-top: 6pt; }

  .sheet--pinup .sheet__head { margin-bottom: .18in; }
  .pinup { max-width: none; display: flex; flex-direction: column; align-items: center; break-inside: avoid; }
  .pinup .work__open img { height: 5.6in; width: auto; }
  .pinup__caps { width: 5.5in; font-size: 8.5pt; margin-top: 6pt; }
  .pinup__caps span { padding-top: 5pt; }

  .foot { margin: .3in .55in .45in; padding: .2in 0 0; break-inside: avoid; display: flex; align-items: baseline; gap: .3in; }
  .foot__title { font-size: 22pt; }
  .foot__name { font-size: 12pt; }
  .foot__mail { margin-left: auto; border: 0; font-size: 9pt; }
}

/* ---------- lightbox ---------- */
.lb {
  width: 100vw; height: 100dvh; max-width: none; max-height: none; margin: 0; padding: 0; border: 0;
  background: var(--lb-bg); color: #e9e7e1; overflow: hidden;
}
.lb::backdrop { background: var(--lb-bg); }
.lb[open] { animation: lb-in .25s ease; }
@keyframes lb-in { from { opacity: 0; } }
.lb__stage {
  position: absolute; inset: 0 0 92px 0;
  display: grid; place-items: center; overflow: hidden;
  touch-action: none; cursor: zoom-in;
}
.lb.is-zoomed .lb__stage { cursor: grab; }
.lb.is-dragging .lb__stage { cursor: grabbing; }
.lb__img {
  max-width: calc(100vw - 2 * var(--gutter)); max-height: calc(100dvh - 92px - 2 * var(--gutter));
  width: auto; height: auto; user-select: none; -webkit-user-drag: none;
  transform-origin: 0 0; will-change: transform;
}
.lb.is-animating .lb__img { transition: transform .3s cubic-bezier(.2,.7,.2,1); }
.lb__meta {
  position: absolute; left: var(--gutter); right: 240px; bottom: 0; height: 92px;
  display: flex; flex-direction: column; justify-content: center; gap: 4px;
}
.lb__count { margin: 0; color: #8f8c84; }
.lb__cap { margin: 0; font-size: 15px; line-height: 1.4; color: #d8d5cd; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.lb__ctrl { position: absolute; right: var(--gutter); bottom: 22px; display: flex; gap: 6px; }
.lb__btn {
  width: 46px; height: 46px; border: 1px solid #45443f; background: transparent; color: #e9e7e1;
  font: 400 20px/1 var(--mono); cursor: pointer; transition: background .2s, border-color .2s;
}
.lb__btn:hover { background: #2c2c2a; border-color: #6b6962; }
.lb__btn:focus-visible { outline: 1.5px solid #e9e7e1; outline-offset: 2px; }

/* ---------- responsive ---------- */
@media screen and (max-width: 1100px) {
  .gallery, .sheet--art .gallery { columns: 2; }
  .statement p, #ga-tech .statement p, #ga-tech .statement p + p { grid-column: 2 / span 10; }
}
@media screen and (max-width: 760px) {
  body { font-size: 16px; }
  .cover { min-height: auto; }
  .cover { display: flex; flex-direction: column; gap: 36px; }
  .cover__works { display: grid; grid-template-columns: 1fr 1fr; column-gap: var(--gap); row-gap: 36px; align-items: start; }
  .cover__work--1 { grid-column: 1 / -1; grid-row: auto; }
  .cover__work--2 { grid-column: 1; grid-row: auto; margin-top: 0; }
  .cover__work--3 { grid-column: 2; grid-row: auto; margin-top: 12vh; }
  .cover__title { order: -1; }
  .cover__title h1 { font-size: clamp(48px, 16vw, 96px); white-space: normal; }
  .sheet__head { display: block; }
  .sheet__no { margin-bottom: 14px; }
  .statement { display: block; }
  .gallery, .sheet--art .gallery { columns: 1; }
  .models { grid-template-columns: 1fr 1fr; row-gap: var(--gap); }
  .models__col { display: contents; }
  .models__col--2 { margin-top: 0; }
  .pinup__caps { grid-template-columns: 1fr 1fr; gap: 12px; font-size: 13.5px; }
  .work__cap { font-size: 14.5px; }
  .foot { display: block; }
  .foot__mail { display: inline-block; margin-top: 28px; }
  .foot__pdf { display: block; margin-top: 22px; justify-self: start; }
  .foot__mail { justify-self: start; }
  .lb__stage { inset: 0 0 128px 0; }
  .lb__img { max-height: calc(100dvh - 128px - 2 * var(--gutter)); }
  .lb__meta { right: var(--gutter); bottom: 66px; height: auto; }
  .lb__ctrl { left: var(--gutter); right: var(--gutter); bottom: 14px; justify-content: space-between; }
  .lb__btn { flex: 1; }
}