/* NOAMJVC — portfolio styles
   One typeface, four sizes, black on white. The page background is pure white
   on purpose: several renders carry a built-in white border meant to dissolve into it. */

:root {
  --bg: #fff;
  --fg: #111;
  --mute: #737373;
  --line: #e3e3e3;

  --font: 'Instrument Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --t-s: 12px;                              /* navigation, labels, metadata */
  --t-m: 15px;                              /* body */
  --t-l: clamp(20px, 1.7vw, 28px);          /* titles, lead lines */
  --t-xl: clamp(34px, 4.2vw, 68px);         /* page titles, statements */
  --track: 0.06em;                          /* uppercase tracking */

  --margin: clamp(16px, 2vw, 32px);
  --gap: clamp(10px, 1.2vw, 20px);
  --space: clamp(72px, 9vw, 160px);         /* around text and section headings */
  --block-gap: clamp(24px, 3vw, 44px);      /* between images on a project page */
  --head: 64px;
  --nav: #fff;                              /* blended with `difference`: renders as its inverse on the page background */

  --ease: cubic-bezier(0.22, 0.61, 0.24, 1);
}

/* Project colour themes (set per project in projects.mjs) */
.theme-dark { --bg: #000; --fg: #c4c4c4; --mute: #7d7d7d; --line: #262626; --nav: #c4c4c4; }
.theme-soft { --fg: #7a7a7a; --mute: #a6a6a6; --line: #ececec; --nav: #858585; }

/* ---------- Base ---------- */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: var(--head); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: var(--t-m);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
:focus-visible { outline: 1px solid currentColor; outline-offset: 3px; }

.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip { position: fixed; top: 8px; left: 8px; z-index: 100; padding: 8px 12px; background: var(--fg); color: var(--bg); font-size: var(--t-s); transform: translateY(-200%); }
.skip:focus { transform: none; }

.mute { color: var(--mute); }
.label { font-size: var(--t-s); font-weight: 400; text-transform: uppercase; letter-spacing: var(--track); color: var(--mute); }

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gap);
  padding-inline: var(--margin);
}
.grid > * { grid-column: 1 / -1; }

/* Text links: underline only on intent */
.index a:hover .name,
.about a:hover,
.site-foot a:hover,
.p-meta a:hover,
.p-nav__item:hover .p-nav__title,
.work__link:hover .work__title {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

/* ---------- Header ---------- */

.site-head {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 20px var(--margin);
  color: var(--nav);
  mix-blend-mode: difference; /* stays legible over white and over imagery */
  pointer-events: none;
  font-size: var(--t-s);
  font-weight: 500;
  letter-spacing: var(--track);
  text-transform: uppercase;
}
.site-head a { pointer-events: auto; transition: opacity 0.3s; }
.site-head a:hover { opacity: 0.55; }
.site-head nav [aria-current] { opacity: 0.55; }

/* ---------- Media frames ---------- */

.frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: var(--ar);
  background: var(--ph, #f1f1f1);
}
.frame > img,
.frame > video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.js .frame > img { opacity: 0; transition: opacity 0.8s var(--ease), transform 1.6s var(--ease); }
.js .frame.is-loaded > img { opacity: 1; }
.js .frame.is-loaded { background: none; } /* no placeholder hairline at the edges of light renders */
.frame > video { opacity: 0; transition: opacity 0.6s var(--ease); }
.frame.is-playing > video { opacity: 1; }

/* Video player: quiet text controls along the bottom edge, inverted against the image */
html:not(.js) .frame--player > video { opacity: 1; }
.frame--player { container-type: inline-size; }
.frame--player.has-sound { cursor: pointer; } /* clicking the picture toggles the sound */
.player {
  position: absolute;
  inset: auto 0 0;
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.2vw, 18px);
  padding: clamp(12px, 1.6vw, 24px);
  color: #fff;
  mix-blend-mode: difference;
  font-size: var(--t-s);
  font-weight: 500;
  letter-spacing: var(--track);
  text-transform: uppercase;
}
.player[hidden] { display: none; }
.player button { min-width: 4.6em; text-align: left; text-transform: inherit; letter-spacing: inherit; transition: opacity 0.3s; }
.player button:hover { opacity: 0.6; }
.player .player__sound { min-width: 6.6em; text-align: right; }
.player__track { position: relative; flex: 1; height: 18px; cursor: pointer; touch-action: none; }
.player__track::before,
.player__progress {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: currentColor;
}
.player__track::before { opacity: 0.35; }
.player__progress { transform-origin: left; transform: scaleX(var(--progress, 0)); }
.player__time { font-variant-numeric: tabular-nums; white-space: nowrap; }
@container (max-width: 320px) { .player__time { display: none; } }

/* ---------- Homepage ---------- */

.index { font-size: var(--t-s); text-transform: uppercase; letter-spacing: var(--track); }
.index a { display: flex; gap: 1.6em; padding: 3px 0; }
.n { color: var(--mute); font-variant-numeric: tabular-nums; }

/* Phones: projects fill the screen, one after another.
   Tablet and up: a 2 × 2 grid filling the screen, edge to edge (see the ≥ 768px block). */
.work { position: relative; height: 100vh; height: 100svh; }
.work__link { position: relative; display: block; height: 100%; }
.work__media { position: absolute; inset: 0; aspect-ratio: auto; }

.work__media > img { transform: scale(1.0001); }
.work__link:hover .work__media > img { transform: scale(1.02); }

.work__caption {
  position: absolute;
  inset: auto 0 0;
  display: grid;
  grid-template-columns: 2.4em minmax(0, 1fr);
  column-gap: var(--gap);
  row-gap: 2px;
  align-items: baseline;
  padding: 0 var(--margin) 18px;
  color: #fff;
  mix-blend-mode: difference; /* legible over light and dark covers */
}
.work__index { opacity: 0.7; font-size: var(--t-s); font-variant-numeric: tabular-nums; letter-spacing: var(--track); }
.work__title { opacity: 0.75; font-size: var(--t-l); font-weight: 400; line-height: 1.15; letter-spacing: -0.015em; } /* translucent: takes on the cover beneath */
.work__year { grid-column: 2; opacity: 0.7; font-size: var(--t-s); }
.work__lead { grid-column: 2; opacity: 0.7; }

/* ---------- Project page ---------- */

.p-head {
  padding-top: clamp(130px, 26vh, 300px);
  padding-bottom: clamp(56px, 7vw, 120px);
  row-gap: 32px;
  align-items: end;
}
.p-head__index { font-size: var(--t-s); color: var(--mute); letter-spacing: var(--track); font-variant-numeric: tabular-nums; }
.p-head__title {
  font-size: var(--t-xl);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.03em;
}
.p-head__brand { display: block; color: var(--mute); }

.p-meta { display: grid; row-gap: 22px; font-size: var(--t-s); }
.p-meta dt { margin-bottom: 6px; color: var(--mute); text-transform: uppercase; letter-spacing: var(--track); }
.p-meta li { padding: 2px 0; }
.credits li { display: flex; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--line); padding: 6px 0; }
.credits li:first-child { border-top: 1px solid var(--line); }
.credits__role { color: var(--mute); }
.credits__name { text-align: right; }

.p-body { display: grid; row-gap: var(--block-gap); padding-bottom: var(--space); }

.block {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gap);
  padding-inline: var(--margin);
}
.block--bleed { padding-inline: 0; column-gap: 0; }
/* Important pieces: as wide as the page, but never taller than the screen */
.block--large .block__inner { justify-self: center; width: min(100%, calc(100vh * var(--ratio, 1.7778))); }
.block__inner { grid-column: 1 / -1; }
.block__caption { padding-top: 10px; font-size: var(--t-s); color: var(--mute); }

.row { display: flex; gap: var(--gap); align-items: flex-start; }
.row__item { flex: var(--grow) 1 0%; min-width: 0; }

.p-text { row-gap: 28px; align-items: start; margin-block: calc(var(--space) - var(--block-gap)); } /* text keeps its surrounding space */
.p-text > * { grid-column: 1 / -1; }
.p-text__lead { font-size: var(--t-l); line-height: 1.2; letter-spacing: -0.015em; }
.p-text__body { display: grid; row-gap: 1em; max-width: 62ch; }

.block--heading { scroll-margin-top: var(--head); margin-top: calc(var(--space) - var(--block-gap)); }
.block--heading > span {
  grid-column: 1 / -1;
  padding-top: 14px;
  border-top: 1px solid var(--fg);
  font-size: var(--t-l);
  font-weight: 400;
  letter-spacing: -0.015em;
}
.block--heading + .block { margin-top: calc(var(--space) * 0.45 - var(--block-gap)); }

.p-nav {
  padding-top: clamp(40px, 5vw, 72px);
  padding-bottom: var(--space);
  border-top: 1px solid var(--line);
  row-gap: 40px;
}
.p-nav__item { display: flex; flex-direction: column; gap: 4px; }
.p-nav__item .frame { margin-top: 14px; }
.p-nav__item .frame > img { transform: scale(1.0001); }
.p-nav__item:hover .frame > img { transform: scale(1.02); }
.p-nav__label { font-size: var(--t-s); color: var(--mute); text-transform: uppercase; letter-spacing: var(--track); }
.p-nav__title { font-size: var(--t-l); line-height: 1.15; letter-spacing: -0.015em; }

/* ---------- About ---------- */

.about__head { padding-top: clamp(150px, 32vh, 340px); padding-bottom: var(--space); }
.about__statement {
  font-size: var(--t-xl);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -0.03em;
}
.about__intro {
  margin-top: clamp(24px, 3vw, 44px);
  max-width: 34em;
  font-size: var(--t-l);
  line-height: 1.3;
  letter-spacing: -0.015em;
}
.about__cols { row-gap: 48px; padding-bottom: var(--space); }
.about__col .label { margin-bottom: 14px; }
.about__col li { padding: 1px 0; }

.about__work { padding-bottom: var(--space); }
.about__work > .label { margin-bottom: 14px; }
.index--rows { border-top: 1px solid var(--line); text-transform: none; letter-spacing: 0; font-size: var(--t-m); }
.index--rows a {
  display: grid;
  grid-template-columns: 3em minmax(0, 1fr);
  column-gap: var(--gap);
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.index--rows .n { font-size: var(--t-s); letter-spacing: var(--track); }
.index--rows .name { font-size: var(--t-l); letter-spacing: -0.015em; line-height: 1.2; }
.index--rows .lead { grid-column: 2; color: var(--mute); }

/* ---------- Footer ---------- */

.site-foot {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: var(--gap);
  row-gap: 10px;
  padding: 22px var(--margin) 26px;
  border-top: 1px solid var(--line);
  font-size: var(--t-s);
  text-transform: uppercase;
  letter-spacing: var(--track);
}
.site-foot__role { color: var(--mute); }
.site-foot__top { justify-self: end; }
.is-project .site-foot { border-top: 0; }

/* ---------- Motion ---------- */

@media (prefers-reduced-motion: no-preference) {
  main { animation: page-in 0.9s var(--ease) both; }
  @keyframes page-in { from { opacity: 0; } to { opacity: 1; } }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation: none !important; }
}

/* ---------- Phone (< 768px) ---------- */

@media (max-width: 767px) {
  :root { --head: 56px; }
  .site-head { padding-top: 16px; padding-bottom: 16px; }


  .p-head { padding-top: 26vh; row-gap: 28px; }
  .p-head__title { font-size: clamp(34px, 10vw, 48px); }

  .row--stack { flex-direction: column; }
  .row--stack .row__item { flex: none; width: 100%; }

  .block--heading + .block { margin-top: calc(var(--space) * 0.55 - var(--block-gap)); }

  .p-nav > .p-nav__item { grid-column: span 6; }
  .p-nav__title { font-size: var(--t-m); }

  .about__head { padding-top: 26vh; }
  .about__statement { font-size: clamp(30px, 8.6vw, 40px); }
  .about__col { grid-column: span 6; }
  .about__col:nth-child(odd):last-child { grid-column: 1 / -1; }
}

/* ---------- Tablet and up (≥ 768px) ---------- */

@media (min-width: 768px) {
  /* Homepage: 2 × 2, two rows per screen, no gaps */
  .works {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-rows: calc(100vh / 2);
    grid-auto-rows: calc(100svh / 2);
  }
  .work { height: auto; }
  .work:last-child:nth-child(odd) { grid-column: 1 / -1; } /* an odd last project takes the whole row */

  .block__inner { grid-column: var(--cols-t, 1 / -1); }

  .p-head__title { grid-column: 1 / 9; }
  .p-meta { grid-column: 1 / 9; }

  .p-text__lead { grid-column: 1 / 7; }
  .p-text__body { grid-column: 7 / 13; }

  .p-nav__item--prev { grid-column: 1 / 7; }
  .p-nav__item--next { grid-column: 7 / 13; }

  .about__statement { grid-column: 1 / 11; }
  .about__col { grid-column: span 6; }

  .index--rows a { grid-template-columns: repeat(12, minmax(0, 1fr)); }
  .index--rows .n { grid-column: 1 / 2; }
  .index--rows .name { grid-column: 2 / 7; }
  .index--rows .lead { grid-column: 7 / 13; }

  .site-foot { grid-template-columns: repeat(12, minmax(0, 1fr)); }
  .site-foot__name { grid-column: 1 / 4; }
  .site-foot__role { grid-column: 4 / 8; }
  .site-foot__links { grid-column: 8 / 11; }
  .site-foot__top { grid-column: 11 / 13; }
}

/* ---------- Desktop (≥ 1100px) ---------- */

@media (min-width: 1100px) {
  /* Every block is centred; --span sets its width in columns. */
  .block__inner {
    grid-column: 1 / -1;
    justify-self: center;
    width: calc((100% + var(--gap)) * var(--span, 12) / 12 - var(--gap));
  }

  .p-head__title { grid-column: 1 / 8; }
  .p-meta { grid-column: 9 / 13; }

  .p-text__lead { grid-column: 1 / 6; }
  .p-text__body { grid-column: 7 / 12; }

  .p-nav__item--prev { grid-column: 1 / 5; }
  .p-nav__item--next { grid-column: 9 / 13; }

  .about__statement { grid-column: 1 / 10; }
  .about__col { grid-column: span 3; }
}