/* ─────────────────────────────────────────────────────────────────────────
   RH Portfolio — shared styles  (Uniform Journal type system)
   Variables drive: background shade, typography pairing, image aspect ratio.
   Layout variants live on body[data-layout].
────────────────────────────────────────────────────────────────────────── */

/* Type pairings come from Google Fonts (loaded by each HTML page):
   Inter Tight · Source Serif 4 · Newsreader · Hanken Grotesk */

:root {
  /* defaults; overridden by [data-bg] / [data-type] on <body> */
  --bg: #F5F5F2;
  --fg: #111111;
  --muted: rgba(17, 17, 17, 0.58);
  --rule: rgba(17, 17, 17, 0.14);
  --rule-strong: rgba(17, 17, 17, 0.28);

  --font-display: 'Source Serif 4', 'Source Serif Pro', Georgia, serif;
  --font-body: 'Inter Tight', 'Helvetica Neue', Helvetica, sans-serif;
  --font-meta: 'Inter Tight', 'Helvetica Neue', Helvetica, sans-serif;

  --display-style: normal;
  --display-weight: 400;
  --display-tracking: -0.02em;
  --display-transform: none;

  --meta-tracking: 0.02em;
  --meta-transform: none;
  --meta-weight: 400;
  --meta-size: 13px;

  --img-aspect: 4/5;

  --pad-x: clamp(20px, 4vw, 56px);
  --pad-y: 22px;

  --maxw: 1640px;
}

/* Background variants */
body[data-bg="white"]  { --bg: #FFFFFF; --fg: #0E0E0D; }
body[data-bg="ivory"]  { --bg: #F7F4EC; --fg: #1A1714; }
body[data-bg="cool"]   { --bg: #F5F5F2; --fg: #111110; }

/* Typography variants — three pairings:
   editorial   = Source Serif 4 + Inter Tight       (serif + neutral grotesk)
   wide        = Newsreader display + Inter Tight   (wide display serif)
   industrial  = Hanken Grotesk throughout          (industrial sans) */
body[data-type="editorial"] {
  --font-display: 'Source Serif 4', 'Source Serif Pro', Georgia, serif;
  --font-body: 'Inter Tight', 'Helvetica Neue', sans-serif;
  --font-meta: 'Inter Tight', 'Helvetica Neue', sans-serif;
  --display-style: normal;
  --display-weight: 400;
  --display-tracking: -0.02em;
  --display-transform: none;
  --meta-transform: uppercase;
  --meta-tracking: 0.14em;
  --meta-weight: 500;
  --meta-size: 11.5px;
}
body[data-type="wide"] {
  --font-display: 'Newsreader', 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Newsreader', Georgia, serif;
  --font-meta: 'Inter Tight', 'Helvetica Neue', sans-serif;
  --display-style: normal;
  --display-weight: 400;
  --display-tracking: -0.025em;
  --display-transform: none;
  --meta-transform: uppercase;
  --meta-tracking: 0.16em;
  --meta-weight: 500;
  --meta-size: 11.5px;
}
body[data-type="industrial"] {
  --font-display: 'Hanken Grotesk', 'Helvetica Neue', sans-serif;
  --font-body: 'Hanken Grotesk', 'Helvetica Neue', sans-serif;
  --font-meta: 'Hanken Grotesk', 'Helvetica Neue', sans-serif;
  --display-style: normal;
  --display-weight: 500;
  --display-tracking: -0.03em;
  --display-transform: none;
  --meta-transform: uppercase;
  --meta-tracking: 0.14em;
  --meta-weight: 500;
  --meta-size: 11.5px;
}
/* Legacy aliases — older saved tweak values flow into a sensible new pairing */
body[data-type="italic"]  { --font-display: 'Source Serif 4', Georgia, serif; --font-body: 'Inter Tight', sans-serif; --font-meta: 'Inter Tight', sans-serif; --display-style: italic; --display-weight: 400; --display-tracking: -0.015em; --meta-transform: uppercase; --meta-tracking: 0.14em; --meta-weight: 500; --meta-size: 11.5px; }
body[data-type="minimal"], body[data-type="college"], body[data-type="mono"] {
  --font-display: 'Hanken Grotesk', sans-serif;
  --font-body: 'Hanken Grotesk', sans-serif;
  --font-meta: 'Hanken Grotesk', sans-serif;
  --display-style: normal; --display-weight: 500; --display-tracking: -0.03em;
  --meta-transform: uppercase; --meta-tracking: 0.14em; --meta-weight: 500; --meta-size: 11.5px;
}

/* ── Reset ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.5;
  font-feature-settings: "kern", "liga";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
figure { margin: 0; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 0; }

/* ── Header ─────────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: baseline;
  padding: var(--pad-y) var(--pad-x);
  background: transparent;
  pointer-events: none;
}
.site-header > * { pointer-events: auto; }

.hd-name {
  font-family: var(--font-display);
  font-style: var(--display-style);
  font-weight: var(--display-weight);
  letter-spacing: var(--display-tracking);
  text-transform: var(--display-transform);
  font-size: 22px;
  line-height: 1;
  justify-self: start;
}
.hd-link {
  font-family: var(--font-meta);
  font-size: var(--meta-size);
  font-weight: var(--meta-weight);
  letter-spacing: var(--meta-tracking);
  text-transform: var(--meta-transform);
  line-height: 1;
  position: relative;
  padding-bottom: 2px;
}
.hd-link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s cubic-bezier(.22,.61,.36,1);
}
.hd-link:hover::after,
.hd-link[aria-current="page"]::after { transform: scaleX(1); }
.hd-about  { justify-self: center; }
.hd-contact { justify-self: end; }

/* ── Footer ─────────────────────────────────────────────────────────── */
.site-footer {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 24px;
  padding: 64px var(--pad-x) 28px;
  margin-top: 80px;
  border-top: 1px solid var(--rule);
  font-family: var(--font-meta);
  font-size: var(--meta-size);
  font-weight: var(--meta-weight);
  letter-spacing: var(--meta-tracking);
  text-transform: var(--meta-transform);
  color: var(--muted);
}
.site-footer a:hover { color: var(--fg); }
.ft-col { display: flex; flex-direction: column; gap: 6px; }
.ft-col .lbl {
  font-family: var(--font-meta);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(17,17,16,.4);
  font-weight: 500;
  margin-bottom: 4px;
}
@media (max-width: 720px) {
  .site-footer { grid-template-columns: 1fr 1fr; row-gap: 32px; }
}

/* ── Index — works list (shared DOM, layout via [data-layout]) ─────── */
.works { padding: 0; }
.work a { display: block; }
.work .img {
  position: relative;
  background: rgba(0,0,0,0.04);
  overflow: hidden;
}
.work .img img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 1.2s cubic-bezier(.22,.61,.36,1), opacity .8s;
  opacity: 0;
}
.work .img img.loaded { opacity: 1; }
.work a:hover .img img { transform: scale(1.015); }

.work figcaption {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  font-family: var(--font-meta);
  font-size: var(--meta-size);
  font-weight: var(--meta-weight);
  letter-spacing: var(--meta-tracking);
  text-transform: var(--meta-transform);
  color: var(--fg);
}
.work figcaption .t {
  font-family: var(--font-display);
  font-style: var(--display-style);
  font-weight: var(--display-weight);
  letter-spacing: var(--display-tracking);
  text-transform: var(--display-transform);
  font-size: 22px;
  line-height: 1.1;
  color: var(--fg);
}
.work figcaption .m { color: var(--muted); white-space: nowrap; }
.work figcaption .num {
  font-family: var(--font-meta);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(17,17,16,.45);
  text-transform: uppercase;
}

/* Layout: Centered scroll ─ one image at a time, contained with margins */
body[data-layout="centered"] .works {
  display: flex;
  flex-direction: column;
  padding-top: 8vh;
}
body[data-layout="centered"] .work {
  min-height: 92vh;
  display: grid;
  grid-template-rows: 1fr auto;
  align-items: center;
  padding: 24px var(--pad-x) 64px;
}
body[data-layout="centered"] .work a {
  width: 100%;
  max-width: min(72vw, 980px);
  margin: 0 auto;
  display: block;
}
body[data-layout="centered"] .work .img {
  aspect-ratio: var(--img-aspect);
  width: 100%;
}
body[data-layout="centered"] .work figcaption {
  margin: 18px auto 0;
  max-width: min(72vw, 980px);
  width: 100%;
}

/* Layout: Three across ─ classic gallery grid */
body[data-layout="three-across"] .works {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 56px 24px;
  padding: 4vh var(--pad-x) 0;
}
body[data-layout="three-across"] .work .img {
  aspect-ratio: var(--img-aspect);
}
body[data-layout="three-across"] .work figcaption {
  margin-top: 14px;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}
body[data-layout="three-across"] .work figcaption .t { font-size: 19px; }
body[data-layout="three-across"] .work figcaption .m { font-size: 12px; }

@media (max-width: 920px) {
  body[data-layout="three-across"] .works { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  body[data-layout="three-across"] .works { grid-template-columns: 1fr; }
}

/* Layout: Full bleed ─ edge-to-edge, one per viewport */
body[data-layout="full-bleed"] .works {
  display: flex;
  flex-direction: column;
  padding: 0;
}
body[data-layout="full-bleed"] .work {
  width: 100%;
  position: relative;
}
body[data-layout="full-bleed"] .work a { width: 100%; }
body[data-layout="full-bleed"] .work .img {
  aspect-ratio: var(--img-aspect);
  width: 100%;
  max-height: 100vh;
}
body[data-layout="full-bleed"] .work figcaption {
  padding: 18px var(--pad-x) 80px;
  font-size: 14px;
}
body[data-layout="full-bleed"] .work figcaption .t { font-size: 24px; }

/* ── About page ────────────────────────────────────────────────────── */
.page-about {
  padding: 12vh var(--pad-x) 80px;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 96px;
}
.page-about .lede {
  font-family: var(--font-display);
  font-style: var(--display-style);
  font-weight: var(--display-weight);
  letter-spacing: var(--display-tracking);
  text-transform: var(--display-transform);
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.18;
  margin: 0 0 0.6em;
}
.page-about p { margin: 0 0 1em; }
.page-about .col-meta {
  font-family: var(--font-meta);
  font-size: var(--meta-size);
  letter-spacing: var(--meta-tracking);
  text-transform: var(--meta-transform);
}
.page-about dl {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(110px, auto) 1fr;
  gap: 8px 28px;
  margin-bottom: 36px;
}
.page-about dt { color: rgba(17,17,16,.45); font-weight: 500; }
.page-about dd { margin: 0; }
.page-about h3 {
  font-family: var(--font-meta);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(17,17,16,.45);
  margin: 0 0 14px;
}
@media (max-width: 800px) {
  .page-about { grid-template-columns: 1fr; gap: 48px; padding-top: 8vh; }
}

/* ── Contact page ──────────────────────────────────────────────────── */
.page-contact {
  padding: 14vh var(--pad-x) 80px;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 96px;
  align-items: start;
}
.page-contact .ct-lede {
  font-family: var(--font-display);
  font-style: var(--display-style);
  font-weight: var(--display-weight);
  letter-spacing: var(--display-tracking);
  font-size: clamp(36px, 4.5vw, 64px);
  line-height: 1.05;
  margin: 0;
}
.page-contact .ct-lede .em {
  color: rgba(17,17,16,.45);
}
.page-contact .ct-meta {
  font-family: var(--font-meta);
  font-size: var(--meta-size);
  letter-spacing: var(--meta-tracking);
  text-transform: var(--meta-transform);
  display: grid;
  gap: 36px;
}
.page-contact .ct-block .lbl {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(17,17,16,.45);
  font-weight: 500;
  margin-bottom: 8px;
  display: block;
}
.page-contact .ct-block a {
  font-family: var(--font-display);
  font-style: var(--display-style);
  font-weight: var(--display-weight);
  letter-spacing: var(--display-tracking);
  text-transform: none;
  font-size: 22px;
  line-height: 1.2;
}
.page-contact .ct-block a:hover { text-decoration: underline; text-underline-offset: 4px; }
@media (max-width: 800px) {
  .page-contact { grid-template-columns: 1fr; gap: 48px; padding-top: 10vh; }
}

/* ── Project detail page ───────────────────────────────────────────── */
.proj {
  padding: 6vh var(--pad-x) 0;
  max-width: var(--maxw);
  margin: 0 auto;
}
.proj-hd {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 32px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 36px;
}
.proj-title {
  font-family: var(--font-display);
  font-style: var(--display-style);
  font-weight: var(--display-weight);
  letter-spacing: var(--display-tracking);
  text-transform: var(--display-transform);
  font-size: clamp(40px, 5vw, 80px);
  line-height: 1;
  margin: 0;
}
.proj-meta {
  font-family: var(--font-meta);
  font-size: var(--meta-size);
  letter-spacing: var(--meta-tracking);
  text-transform: var(--meta-transform);
  text-align: right;
  color: var(--muted);
  display: grid;
  gap: 4px;
}
.proj-meta b { color: var(--fg); font-weight: var(--meta-weight); }

.proj-hero {
  width: 100%;
  aspect-ratio: var(--img-aspect);
  background: rgba(0,0,0,0.04);
  overflow: hidden;
  margin-bottom: 64px;
}
.proj-hero img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity .8s;
}
.proj-hero img.loaded { opacity: 1; }

.proj-body {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px 96px;
  max-width: 1200px;
  margin: 0 auto 96px;
  padding: 0 0;
}
.proj-body h3 {
  font-family: var(--font-meta);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(17,17,16,.45);
  margin: 0 0 14px;
}
.proj-body p { margin: 0 0 1em; }
.proj-body p:last-child { margin-bottom: 0; }

.proj-summary {
  font-family: var(--font-display);
  font-style: var(--display-style);
  font-weight: var(--display-weight);
  letter-spacing: var(--display-tracking);
  text-transform: var(--display-transform);
  font-size: clamp(22px, 2.4vw, 32px);
  line-height: 1.25;
  grid-column: 1 / -1;
  margin: 0 0 16px;
  max-width: 1100px;
}

.proj-section { display: contents; }

.proj-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto 96px;
}
.proj-gallery .img {
  aspect-ratio: 4/5;
  background: rgba(0,0,0,.04);
  overflow: hidden;
}
.proj-gallery .img img { width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .8s; }
.proj-gallery .img img.loaded { opacity: 1; }
.proj-gallery .img:nth-child(3) { grid-column: 1 / -1; aspect-ratio: 16/9; }

/* Case study text-box */
.proj-case {
  max-width: 760px;
  margin: 0 auto 96px;
  padding-top: 48px;
  border-top: 1px solid var(--rule);
}
.proj-case h2 {
  font-family: var(--font-meta);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(17,17,16,.45);
  margin: 0 0 24px;
}
.proj-case h4 {
  font-family: var(--font-display);
  font-style: var(--display-style);
  font-weight: var(--display-weight);
  letter-spacing: var(--display-tracking);
  text-transform: var(--display-transform);
  font-size: 22px;
  margin: 36px 0 8px;
}
.proj-case p { margin: 0 0 1em; }
.proj-case dl {
  margin: 24px 0 0;
  display: grid;
  grid-template-columns: minmax(120px, auto) 1fr;
  gap: 8px 28px;
  font-family: var(--font-meta);
  font-size: var(--meta-size);
  letter-spacing: var(--meta-tracking);
  text-transform: var(--meta-transform);
}
.proj-case dt { color: rgba(17,17,16,.45); }
.proj-case dd { margin: 0; }

.proj-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: center;
  border-top: 1px solid var(--rule);
  padding: 28px 0 80px;
  font-family: var(--font-meta);
  font-size: var(--meta-size);
  letter-spacing: var(--meta-tracking);
  text-transform: var(--meta-transform);
}
.proj-nav a { display: flex; flex-direction: column; gap: 6px; color: var(--muted); }
.proj-nav a:hover { color: var(--fg); }
.proj-nav a.next { text-align: right; align-items: flex-end; }
.proj-nav .ttl {
  font-family: var(--font-display);
  font-style: var(--display-style);
  font-weight: var(--display-weight);
  letter-spacing: var(--display-tracking);
  text-transform: var(--display-transform);
  color: var(--fg);
  font-size: 22px;
  line-height: 1;
}
.proj-nav .lbl {
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(17,17,16,.4);
  font-weight: 500;
}

@media (max-width: 800px) {
  .proj-hd { grid-template-columns: 1fr; align-items: start; gap: 12px; }
  .proj-meta { text-align: left; }
  .proj-body { grid-template-columns: 1fr; gap: 36px; }
  .proj-gallery { grid-template-columns: 1fr; }
  .proj-gallery .img:nth-child(3) { aspect-ratio: 4/5; }
}

/* ── Misc utilities ────────────────────────────────────────────────── */
.sr { position: absolute; clip: rect(0 0 0 0); width: 1px; height: 1px; overflow: hidden; }

/* Smooth bg/typography transitions when tweaks change */
body, .work figcaption .t, .hd-name, .proj-title, .ct-lede,
.page-about .lede, .proj-summary {
  transition: background-color .25s ease, color .25s ease;
}
