/* ------------------------------------------------------------------
   Vancouver Visual Culture Archive — Sonny Saimon
   White editorial layout, black rules, condensed uppercase display.
   Tokens → base → header → components → pages → responsive → motion.
   ------------------------------------------------------------------ */

:root {
  --bg: #ffffff;
  --paper: #f3f1ec;        /* cream block, from the mockup's about section */
  --ink: #111111;
  --ink-soft: #4a4a4a;
  --ink-muted: #8a8a8a;
  --line: #111111;         /* strong rules: header, footer */
  --line-soft: #e3e3e0;    /* dividers inside content */
  --footer-bg: #111111;
  --footer-ink: #ffffff;
  --overlay: rgba(10, 14, 18, 0.55);

  --font-display: "Oswald", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", "Helvetica Neue", Arial, system-ui, sans-serif;

  --text-xs: 0.6875rem;   /* 11px: nav, labels */
  --text-sm: 0.8125rem;   /* 13px: meta, captions */
  --text-md: 0.9375rem;   /* 15px: body */
  --text-lg: 1.0625rem;   /* 17px: lede */
  --display-sm: 1.125rem; /* 18px: section headings */
  --display-md: clamp(1.5rem, 1.2rem + 1.2vw, 2rem);
  --display-lg: clamp(2.5rem, 1.6rem + 3vw, 3.25rem);   /* page titles, hero */

  --track: 0.08em;
  --gutter: clamp(1.25rem, 3vw, 2.5rem);
  --section: clamp(3rem, 6vw, 5rem);
  --measure: 60ch;
  --transition: 160ms ease;
}

/* ---------- Base ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--text-md);
  line-height: 1.6;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 1.15;
  margin: 0;
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 0.2em; }

ul, ol { margin: 0; padding: 0; list-style: none; }
dl, dd { margin: 0; }
figure { margin: 0; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }

code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: var(--paper);
  padding: 0.05em 0.35em;
}

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--ink);
  color: var(--bg);
  padding: 0.5rem 0.9rem;
  z-index: 100;
}
.skip-link:focus { top: 1rem; }

/* Shared small-caps label style (nav, meta, links) */
.label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--track);
}

/* Arrow link: "View all entries →" */
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--track);
  white-space: nowrap;
}
.arrow-link::after {
  content: "";
  width: 1rem;
  height: 1px;
  background: currentColor;
  position: relative;
  transition: width var(--transition);
}
.arrow-link:hover { text-decoration: none; }
.arrow-link:hover::after { width: 1.5rem; }

.container {
  padding-left: var(--gutter);
  padding-right: var(--gutter);
  max-width: 90rem;
  margin: 0 auto;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  height: 3.25rem;
}
.brand {
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.brand:hover { text-decoration: none; opacity: 0.6; }

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 1.75rem);
}
.nav-list a {
  display: block;
  padding: 0.25rem 0;
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--track);
  border-bottom: 1px solid transparent;
  white-space: nowrap;
}
.nav-list a:hover { text-decoration: none; border-bottom-color: var(--ink); }
.nav-list a[aria-current="page"] { border-bottom-color: var(--ink); }

.nav-toggle { display: none; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--footer-bg);
  color: var(--footer-ink);
  margin-top: var(--section);
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  min-height: 3.5rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
}
.site-footer p { margin: 0; }
.footer-links {
  display: flex;
  gap: 2rem;
  text-transform: uppercase;
  letter-spacing: var(--track);
  font-weight: 500;
}

/* ---------- Page header ---------- */
.page-head {
  padding-top: clamp(2rem, 4vw, 3rem);
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}
.page-title {
  font-size: var(--display-md);
  font-weight: 500;
}
.page-note {
  margin-top: 0.5rem;
  color: var(--ink-soft);
  font-size: var(--text-sm);
  max-width: var(--measure);
}
.page-meta {
  margin-top: 0.5rem;
  color: var(--ink-muted);
  font-size: var(--text-sm);
}

/* Section head: title left, link right */
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.section-title { font-size: var(--display-sm); }

section.band { padding-top: var(--section); }
section.band + section.band { padding-top: var(--section); }

/* ---------- Home: hero ---------- */
.hero {
  position: relative;
  min-height: clamp(26rem, 60vh, 38rem);
  display: flex;
  align-items: center;
  color: #fff;
  isolation: isolate;
  overflow: hidden;
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(8, 12, 16, 0.75) 0%, rgba(8, 12, 16, 0.45) 55%, rgba(8, 12, 16, 0.25) 100%);
}
.hero .container { width: 100%; padding-top: 3rem; padding-bottom: 5.5rem; }
.hero-title {
  font-size: var(--display-lg);
  font-weight: 500;
  line-height: 1.12;
  max-width: 22ch;
}
.hero-lede {
  margin-top: 1.5rem;
  max-width: 40ch;
  font-size: var(--text-lg);
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.88);
}
.hero-scroll {
  position: absolute;
  left: var(--gutter);
  bottom: 1.5rem;
  display: inline-flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--track);
  color: #fff;
}
.hero-scroll:hover { text-decoration: none; }

/* ---------- Grids ---------- */
.grid {
  display: grid;
  gap: 1.75rem 1.25rem;
}
.grid-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

/* Thumb card: image, number, title, note */
.card { display: block; }
.card:hover { text-decoration: none; }
.card-media {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--paper);
}
.card-media.is-wide { aspect-ratio: 4 / 3; }
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}
.card:hover .card-media img { transform: scale(1.03); }
.card-num {
  display: block;
  margin-top: 0.75rem;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--track);
}
.card-title {
  margin-top: 0.15rem;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
}
.card-note {
  margin-top: 0.15rem;
  font-size: var(--text-xs);
  color: var(--ink-soft);
}
.card:hover .card-title { text-decoration: underline; text-underline-offset: 0.2em; }

/* Archive grid item: "01. Chinatown Gate" / location */
.entry-card .card-title { text-transform: none; letter-spacing: 0; font-size: var(--text-sm); }
.entry-card .card-note { color: var(--ink-soft); }

/* Filter chips */
.filter-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin-bottom: 1.75rem;
}
.filter-btn {
  background: none;
  border: 0;
  padding: 0.35rem 0.6rem;
  margin: 0 -0.6rem;
  font: inherit;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  cursor: pointer;
}
.filter-btn:hover { color: var(--ink); }
.filter-btn[aria-pressed="true"] {
  background: var(--ink);
  color: var(--bg);
}
.grid-item[hidden] { display: none; }
.empty-note {
  color: var(--ink-muted);
  font-size: var(--text-sm);
  padding: 2rem 0;
}

/* ---------- Cream block (about the project) ---------- */
.paper-block {
  background: var(--paper);
  margin-top: var(--section);
}
.paper-block .container {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 5fr);
  gap: 3rem;
  align-items: center;
  padding-top: clamp(2.5rem, 5vw, 4rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}
.paper-block .section-title { margin-bottom: 1.25rem; }
.paper-block p {
  color: var(--ink-soft);
  font-size: var(--text-sm);
  line-height: 1.7;
  max-width: 44ch;
}
.paper-block .arrow-link { margin-top: 1.25rem; }
.paper-media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05);
}

/* ---------- Journal-style cards (field notes) ---------- */
.note-card {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 1rem;
  align-items: start;
}
.note-card .card-media { aspect-ratio: 1 / 1; }
.note-kind {
  display: block;
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--track);
}
.note-title {
  margin-top: 0.35rem;
  font-family: var(--font-body);
  font-size: var(--text-md);
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
  line-height: 1.35;
}
.note-date {
  display: block;
  margin-top: 0.25rem;
  font-size: var(--text-xs);
  color: var(--ink-soft);
}
.note-excerpt {
  margin-top: 0.6rem;
  font-size: var(--text-sm);
  color: var(--ink-soft);
  line-height: 1.6;
}
.note-card .arrow-link { margin-top: 0.75rem; }

/* Stacked variant for 4-col grid (field notes page) */
.note-card.is-stacked { grid-template-columns: 1fr; }
.note-card.is-stacked .card-media { aspect-ratio: 4 / 3; }

/* ---------- Entry detail ---------- */
.entry-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-top: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1.5rem;
}
.entry-back {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: var(--display-md);
  text-transform: uppercase;
  letter-spacing: 0.01em;
}
.entry-back:hover { text-decoration: none; }
.entry-back .back-arrow { font-size: 1.25rem; }
.entry-layout {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(16rem, 2fr);
  gap: 2.5rem;
  align-items: start;
}
.entry-media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.entry-thumbs {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.5rem;
  margin-top: 0.75rem;
}
.entry-thumbs button {
  border: 0;
  padding: 0;
  background: none;
  cursor: pointer;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  opacity: 0.7;
  transition: opacity var(--transition);
}
.entry-thumbs button[aria-pressed="true"],
.entry-thumbs button:hover { opacity: 1; }
.entry-thumbs img { width: 100%; height: 100%; object-fit: cover; }
.entry-fields { display: grid; gap: 1.25rem; }
.entry-fields dt {
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--track);
  margin-bottom: 0.25rem;
}
.entry-fields dd {
  font-size: var(--text-sm);
  color: var(--ink-soft);
  line-height: 1.65;
}
.entry-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line-soft);
}

/* ---------- Projects ---------- */
.project-card { display: grid; gap: 0; }
.project-card .card-media { aspect-ratio: 4 / 3; }
.project-title {
  margin-top: 0.9rem;
  font-size: var(--display-sm);
}
.project-meta {
  margin-top: 0.25rem;
  font-size: var(--text-xs);
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.project-desc {
  margin-top: 0.6rem;
  font-size: var(--text-sm);
  color: var(--ink-soft);
  line-height: 1.65;
}
.project-card .arrow-link { margin-top: 0.85rem; }

/* ---------- Writing ---------- */
.writing-list { border-top: 1px solid var(--line); }
.writing-item { border-bottom: 1px solid var(--line-soft); }
.writing-link {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr) auto;
  gap: 0.5rem 2rem;
  align-items: baseline;
  padding: 1.5rem 0;
}
.writing-link:hover { text-decoration: none; }
.writing-link:hover .writing-title { text-decoration: underline; text-underline-offset: 0.2em; }
.writing-date { font-size: var(--text-xs); color: var(--ink-soft); letter-spacing: 0.02em; }
.writing-kind { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: var(--track); font-weight: 500; }
.writing-title {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
  line-height: 1.35;
  margin-top: 0.3rem;
}
.writing-summary {
  margin-top: 0.4rem;
  font-size: var(--text-sm);
  color: var(--ink-soft);
  max-width: var(--measure);
}
.writing-read { font-size: var(--text-xs); color: var(--ink-muted); white-space: nowrap; }

/* ---------- Reference ---------- */
.ref-group + .ref-group { margin-top: var(--section); }
.ref-group .section-title { margin-bottom: 1rem; }
.ref-list { border-top: 1px solid var(--line); }
.ref-item {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  gap: 0.25rem 2rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line-soft);
}
.ref-item a { font-weight: 600; font-size: var(--text-sm); }
.ref-by {
  display: block;
  font-size: var(--text-xs);
  color: var(--ink-muted);
  margin-top: 0.15rem;
}
.ref-why { font-size: var(--text-sm); color: var(--ink-soft); }

/* ---------- Concentration ---------- */
.focus-main {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: var(--paper);
  max-width: 48rem;
}
.focus-main h2 { font-size: var(--display-md); margin-bottom: 0.75rem; }
.focus-main p { color: var(--ink-soft); font-size: var(--text-sm); line-height: 1.7; }
.focus-list { max-width: 48rem; border-top: 1px solid var(--line); }
.focus-item {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 0.25rem 1.5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line-soft);
}
.focus-num { font-family: var(--font-display); font-size: var(--display-sm); }
.focus-item h3 {
  font-family: var(--font-body);
  font-size: var(--text-md);
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
}
.focus-item p { color: var(--ink-soft); font-size: var(--text-sm); margin-top: 0.25rem; }
.not-now { max-width: 48rem; color: var(--ink-soft); font-size: var(--text-sm); }
.not-now li {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--line-soft);
}
.not-now li span { text-decoration: line-through; text-decoration-color: var(--ink-muted); }
.not-now li em { font-style: normal; color: var(--ink-muted); }

/* ---------- Questions ---------- */
.question-list { max-width: 52rem; border-top: 1px solid var(--line); }
.question {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 0.5rem 2rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line-soft);
}
.question-state {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--track);
  font-weight: 500;
  color: var(--ink-soft);
  padding-top: 0.35rem;
}
.question-state.is-open { color: var(--ink); }
.question-text {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
  line-height: 1.35;
}
.question p {
  margin-top: 0.6rem;
  font-size: var(--text-sm);
  color: var(--ink-soft);
  max-width: var(--measure);
}

/* ---------- About ---------- */
.about-intro {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 5fr);
  gap: 3rem;
  align-items: start;
}
.about-intro p { color: var(--ink-soft); font-size: var(--text-md); line-height: 1.7; max-width: 52ch; }
.about-intro p.lead { color: var(--ink); font-size: var(--text-lg); }
.about-portrait img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  filter: grayscale(1);
}
.about-portrait figcaption {
  margin-top: 0.5rem;
  font-size: var(--text-xs);
  color: var(--ink-muted);
}
.about-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3rem;
}
.about-cols .section-title { margin-bottom: 1rem; }
.fact-list { border-top: 1px solid var(--line); }
.fact-list > div {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 0.25rem 1.5rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line-soft);
}
.fact-list dt {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: var(--track);
  font-weight: 500;
  padding-top: 0.15rem;
}
.fact-list dd { font-size: var(--text-sm); color: var(--ink-soft); }
.contact-email {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1rem + 1.5vw, 2rem);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 0.1em;
  overflow-wrap: anywhere;
}
.contact-email:hover { text-decoration: none; opacity: 0.7; }
.social-list {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 1.5rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    background: none;
    border: 1px solid var(--ink);
    padding: 0.35rem 0.8rem;
    color: inherit;
    font: inherit;
    font-size: var(--text-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: var(--track);
    cursor: pointer;
  }
  .nav-list {
    display: none;
    position: absolute;
    right: var(--gutter);
    top: calc(100% + 0.5rem);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    min-width: 13rem;
    background: var(--bg);
    border: 1px solid var(--ink);
    padding: 0.5rem 0;
  }
  .nav-list.is-open { display: flex; }
  .nav-list a { padding: 0.65rem 1rem; border-bottom: 0; }
  .nav-list a:hover,
  .nav-list a[aria-current="page"] { background: var(--paper); border-bottom: 0; }

  .grid-6 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 700px) {
  .grid-2,
  .grid-3 { grid-template-columns: 1fr; }
  .paper-block .container,
  .entry-layout,
  .about-intro,
  .about-cols { grid-template-columns: 1fr; }
  .about-portrait { max-width: 16rem; }
  .writing-link { grid-template-columns: 1fr; gap: 0.25rem; }
  .ref-item,
  .question,
  .fact-list > div { grid-template-columns: 1fr; }
  .note-card { grid-template-columns: 6rem 1fr; }
  .hero-title { max-width: none; }
  .entry-thumbs { grid-template-columns: repeat(5, 1fr); }
  .entry-head { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .site-header .container { gap: 1rem; }
  .brand { font-size: var(--text-xs); white-space: normal; line-height: 1.25; }
  .site-nav { flex: none; }
  .grid-6,
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .note-card { grid-template-columns: 1fr; }
  .note-card .card-media { aspect-ratio: 4 / 3; }
}

/* ---------- Motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}