/* ════════════════════════════════════════════
   DESIGN TOKENS
════════════════════════════════════════════ */
:root {
  --bg:          #F7F4EF;
  --text:        #1D1B19;
  --muted:       #5E5853;
  --subtle:      #6F6963;
  --border:      #D6D0CA;
  --dark-bg:     #1D1B19;
  --dark-text:   #F0EDE8;
  --dark-muted:  #B5AEA6;

  --font-body:    'Satoshi', system-ui, -apple-system, sans-serif;
  --font-display: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  --font-mono:    ui-monospace, 'SF Mono', Menlo, monospace;

  --max-w:     1240px;
  --content-w: 980px;
  --pad-x:     clamp(1.5rem, 6vw, 5rem);
}

/* ════════════════════════════════════════════
   RESET & BASE
════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.55;
}
a { color: inherit; text-decoration: none; }
.case-section p a { text-decoration: underline; text-underline-offset: 3px; }
img { display: block; max-width: 100%; }

/* ════════════════════════════════════════════
   NAV
════════════════════════════════════════════ */
nav#main-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.125rem var(--pad-x);
  background: rgba(247, 244, 239, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--text);
}
.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text);
  transition: opacity 0.2s ease;
}
.nav-links a:hover { opacity: 0.6; }

/* ════════════════════════════════════════════
   HERO
════════════════════════════════════════════ */
.hero {
  padding: 9rem var(--pad-x) 4rem;
  max-width: var(--max-w);
  margin: 0 auto;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.5rem;
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(3rem, 7.5vw, 6rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  text-wrap: balance;
  margin-bottom: 1.5rem;
}
.hero-subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.25rem, 2.2vw, 1.85rem);
  line-height: 1.35;
  color: var(--muted);
  max-width: 800px;
  text-wrap: balance;
  margin-bottom: 3rem;
}
.hero-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.5rem 2.5rem;
  padding: 1.75rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  max-width: 800px;
}
.hero-meta .span-2 { grid-column: span 2; }
.hero-meta dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.4rem;
}
.hero-meta dd { font-size: 0.95rem; font-weight: 500; }

/* Cover image — shows placeholder stripes until an <img> is added */
.hero-cover {
  margin-top: 3rem;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 14px;
  overflow: hidden;
  background: repeating-linear-gradient(135deg, #ddd2c4 0 8px, #e6ddd2 8px 16px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.hero-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* Hide placeholder text once an image is present */
.hero-cover:has(img) { background: none; font-size: 0; }

/* Full-bleed hero variant */
body[data-hero="bleed"] .hero {
  max-width: none;
  padding-left: 0;
  padding-right: 0;
  padding-top: 5.5rem;
}
body[data-hero="bleed"] .hero-text {
  max-width: var(--max-w);
  margin: 3.5rem auto 0;
  padding: 0 var(--pad-x);
}
body[data-hero="bleed"] .hero-cover {
  margin-top: 5rem;
  border-radius: 0;
  aspect-ratio: 21 / 9;
  max-height: 80vh;
}

/* ════════════════════════════════════════════
   CASE STUDY SECTIONS
════════════════════════════════════════════ */
.case {
  max-width: var(--content-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}
.case-section { padding: 4rem 0; }
.case-section + .case-section { border-top: 1px solid var(--border); }

.sec-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.75rem;
  display: block;
}
.sec-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.75rem, 3.5vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 1.5rem;
  text-wrap: balance;
}

/* ════════════════════════════════════════════
   BODY CONTENT
════════════════════════════════════════════ */
.case p {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  margin-bottom: 1.25rem;
}
.case p.lede {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-style: italic;
  line-height: 1.4;
  color: var(--muted);
  margin-bottom: 2rem;
}
.case ul.bullets {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
}
.case ul.bullets li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  font-size: 1.0625rem;
  line-height: 1.6;
}
.case ul.bullets li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--muted);
}
.case strong { font-weight: 600; }

/* Numbered list */
.case ol.numbered {
  list-style: none;
  counter-reset: nlist;
  margin: 1.5rem 0 2rem;
  padding: 0;
}
.case ol.numbered li {
  counter-increment: nlist;
  padding: 1.5rem 0 1.5rem 3.5rem;
  border-top: 1px solid var(--border);
  position: relative;
  font-size: 1.0625rem;
  line-height: 1.55;
}
.case ol.numbered li:last-child { border-bottom: 1px solid var(--border); }
.case ol.numbered li::before {
  content: counter(nlist, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.case ol.numbered li q {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.4rem;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 0.5rem;
  quotes: none;
}

/* HMW callout */
.hmw {
  background: var(--text);
  color: var(--bg);
  padding: 2.5rem 2.25rem;
  border-radius: 12px;
  margin: 2.5rem 0;
}
.hmw .hmw-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dark-muted);
  margin-bottom: 1rem;
}
.hmw .hmw-q {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.4vw, 1.85rem);
  line-height: 1.3;
  margin-bottom: 1.25rem;
  text-wrap: balance;
  color: var(--bg);
}
.hmw ul {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}
.hmw ul li {
  padding-left: 1.25rem;
  position: relative;
  font-size: 0.98rem;
  line-height: 1.5;
  color: var(--dark-text);
}
.hmw ul li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--dark-muted);
}

/* ════════════════════════════════════════════
   MEDIA BLOCKS
════════════════════════════════════════════ */
.media { margin: 2.5rem 0; }
.media.full-bleed {
  max-width: var(--max-w);
  margin-left: 50%;
  transform: translateX(-50%);
  padding: 0 var(--pad-x);
}
.media.bleed-edge {
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  padding: 0;
}
.media-frame {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 12px;
  overflow: hidden;
  background: repeating-linear-gradient(135deg, #ddd2c4 0 8px, #e6ddd2 8px 16px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: center;
  padding: 1rem;
}
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 12px;
}
.media-frame:has(img),
.media-frame:has(iframe) { background: none; font-size: 0; padding: 0; }
.media-frame.tall { aspect-ratio: 3 / 4; }
.media-frame.wide { aspect-ratio: 16 / 9; }
.media-frame.natural {
  aspect-ratio: auto;
  height: auto;
  border-radius: 12px;
  overflow: hidden;
}
.media-frame.natural img {
  width: 100%;
  height: auto;
  object-fit: initial;
  border-radius: 12px;
}
.bleed-edge .media-frame.natural {
  border-radius: 0;
  overflow: visible;
}
.bleed-edge .media-frame.natural img {
  border-radius: 0;
}
.media-caption {
  margin-top: 0.85rem;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.5;
}

/* Featured top + side-by-side pair below */
.media-trio {
  display: grid;
  gap: 1.25rem;
  margin: 2.5rem 0;
}
.media-trio > .media-pair { margin: 0; }

/* 2×2 grid */
.media-2x2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin: 2.5rem 0;
}

/* Side-by-side pair */
.media-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin: 2.5rem 0;
}
.media-pair .media-caption { margin-top: 0.6rem; font-size: 0.8rem; }

/* Process strip */
.media-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 2.5rem 0;
}

/* 3-column grid (2 rows of 3) — collapses to 2-col on tablet, 1-col on mobile */
.media-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.4rem;
  margin: 2.5rem 0;
}
.media-grid .media-frame {
  aspect-ratio: 1 / 1;
}
@media (max-width: 720px) {
  .media-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .media-grid { grid-template-columns: 1fr; }
}

/* ════════════════════════════════════════════
   PREV / NEXT NAVIGATION
════════════════════════════════════════════ */
.project-foot {
  max-width: var(--max-w);
  margin: 6rem auto 0;
  padding: 4rem var(--pad-x) 6rem;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.pn-link {
  display: block;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.pn-link.next { text-align: right; }
.pn-link:hover { transform: translateY(-2px); }
.pn-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.6rem;
}
.pn-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.15;
}

/* ════════════════════════════════════════════
   FOOTER
════════════════════════════════════════════ */
footer.site {
  padding: 2.25rem var(--pad-x);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.01em;
}
footer.site a:hover { color: var(--text); }

/* ════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════ */
@media (max-width: 720px) {
  .nav-links { gap: 1.5rem; }
  .hero { padding: 6.5rem var(--pad-x) 3rem; }
  .case-section { padding: 3rem 0; }
  .media-pair { grid-template-columns: 1fr; }
  .project-foot { grid-template-columns: 1fr; }
  .pn-link.next { text-align: left; }
  footer.site {
    flex-direction: column;
    gap: 0.6rem;
    align-items: flex-start;
    padding: 2rem 1.5rem;
  }
}