/* Nina Goluskin portfolio. Direction A: Editorial Ink
   Zero external requests: system font stacks only. */

:root{
  --paper:#FBFAF7;
  --surface:#FFFFFF;
  --ink:#1E2A3A;
  --ink-soft:#556170;
  --ink-faint:#5F6B79;
  --line:#EBE6DD;
  --line-strong:#DCD5C8;
  --accent:#A85A3A;
  --accent-ink:#9A4A2C;
  --accent-wash:#EEF0F3;

  --font-display: ui-serif, "New York", Georgia, "Times New Roman", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --measure: 66ch;
}

@media (prefers-color-scheme: dark){
  :root{
    --paper:#18160F;
    --surface:#211E17;
    --ink:#EFEAE0;
    --ink-soft:#B3A99B;
    --ink-faint:#978D7D;
    --line:#332E24;
    --line-strong:#453F30;
    --accent:#D9895F;
    --accent-ink:#F0BFA1;
    --accent-wash:#2E2119;
  }
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
.skip-link{
  position:fixed;
  top:12px;
  left:12px;
  z-index:100;
  transform:translateY(-160%);
  padding:10px 14px;
  color:var(--ink);
  background:var(--paper);
  border:1px solid var(--line-strong);
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.04em;
}
.skip-link:focus{transform:translateY(0)}
@media (prefers-reduced-motion: no-preference){
  a, .work-card { transition: color .15s ease, border-color .15s ease, background .15s ease; }
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
.wrap{max-width:960px;margin:0 auto;padding:0 28px}
@media (max-width:600px){.wrap{padding:0 20px}}

/* nav */
.site-nav{
  border-bottom:1px solid var(--line);
  padding:10px 0;
}
.site-nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.site-nav .mark{display:inline-block;padding:10px 0;font-family:var(--font-display);font-size:1.05rem;font-weight:600;text-decoration:none;letter-spacing:-.01em}
.site-nav ul{list-style:none;display:flex;gap:14px;margin:0;padding:0}
.site-nav a.link{display:inline-block;padding:12px 6px;text-decoration:none;color:var(--ink-soft);font-size:.92rem}
.site-nav a.link:hover{color:var(--accent-ink)}

/* eyebrow / labels */
.eyebrow{
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--ink-soft);
  margin:0 0 16px;
}
.eyebrow .sep{margin:0 8px;color:var(--line-strong)}

/* hero */
.hero{padding:76px 0 56px;border-bottom:1px solid var(--line)}
.hero h1{
  font-family:var(--font-display);
  font-size:clamp(2.4rem,6vw,3.6rem);
  line-height:1.05;
  letter-spacing:-.015em;
  margin:0 0 10px;
  text-wrap:balance;
}
.hero .role{
  font-size:1.05rem;
  color:var(--ink-soft);
  margin:0 0 22px;
}
.hero .dek{
  font-size:1.08rem;
  color:var(--ink);
  max-width:var(--measure);
  margin:0 0 30px;
}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:.82rem;letter-spacing:.02em;
  padding:11px 18px;border:1px solid var(--line-strong);border-radius:2px;
  text-decoration:none;color:var(--ink);
}
.btn.primary{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn:hover{border-color:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{background:var(--accent);border-color:var(--accent);color:#fff}

/* section headers */
section{padding:64px 0;border-bottom:1px solid var(--line)}
section:last-of-type{border-bottom:none}
.section-head{margin-bottom:36px}
.section-head h2{
  font-family:var(--font-display);
  font-size:1.7rem;
  margin:0 0 8px;
  letter-spacing:-.01em;
}
.section-head p{color:var(--ink-soft);margin:0;max-width:var(--measure)}

/* work grid */
.work-grid{display:grid;grid-template-columns:1fr;gap:1px;background:var(--line)}
.work-card{
  background:var(--surface);
  padding:32px 30px;
  display:grid;
  grid-template-columns:minmax(0,220px) 1fr;
  gap:28px;
  text-decoration:none;
  color:var(--ink);
}
.work-card.flagship{grid-template-columns:1fr}
@media (max-width:720px){.work-card{grid-template-columns:1fr}}
.work-card .client{
  font-family:var(--font-mono);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--ink-faint);
}
.work-card h3{
  font-family:var(--font-display);
  font-size:1.35rem;
  margin:6px 0 10px;
  letter-spacing:-.01em;
}
.work-card p.summary{margin:0 0 14px;color:var(--ink-soft);max-width:58ch}
.work-card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:6px}
.work-card .tags span{
  font-family:var(--font-mono);font-size:.75rem;letter-spacing:.04em;text-transform:uppercase;
  color:var(--ink-soft);border:1px solid var(--line-strong);padding:3px 8px;border-radius:2px;
}
.work-card .read{
  font-family:var(--font-mono);font-size:.78rem;color:var(--accent-ink);
}
.work-card:hover .read{text-decoration:underline}
a.work-card:hover h3{color:var(--accent-ink)}
a.work-card:hover .thumb{border-color:var(--line-strong)}
a.work-card:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}

/* about */
.about p{max-width:var(--measure);margin:0 0 18px;font-size:1.03rem}
.about p:last-child{margin-bottom:0}

.skills{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.skills span{
  font-family:var(--font-mono);font-size:.76rem;color:var(--ink-soft);
  border:1px solid var(--line);padding:5px 11px;border-radius:999px;
}

/* footer */
footer{padding:56px 0 72px}
footer .wrap{display:flex;flex-wrap:wrap;gap:20px;align-items:baseline;justify-content:space-between}
footer h2{font-family:var(--font-display);font-size:1.5rem;margin:0 0 6px}
footer p{color:var(--ink-soft);margin:0}
footer .contact-links{display:flex;gap:18px;flex-wrap:wrap}
footer a.contact{font-family:var(--font-mono);font-size:.86rem;color:var(--accent-ink);text-decoration:none}
footer a.contact:hover{text-decoration:underline}

/* ============ case study page ============ */
.cs-hero{padding:60px 0 40px}
.cs-hero h1{
  font-family:var(--font-display);font-size:clamp(2.1rem,5vw,3rem);line-height:1.08;
  letter-spacing:-.015em;margin:0 0 16px;text-wrap:balance;
}
.cs-hero .dek{font-size:1.12rem;color:var(--ink-soft);max-width:var(--measure)}

.figure{
  margin:32px 0;border:1px dashed var(--line-strong);border-radius:4px;
  background:var(--surface);padding:36px 24px;text-align:center;
}
.figure .slot{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-faint);margin:0 0 6px}
.figure .desc{font-size:.92rem;color:var(--ink-soft);margin:0;max-width:56ch;margin-inline:auto}

.diagram{margin:32px 0;border:1px solid var(--line);border-radius:4px;background:var(--surface);padding:28px 24px}
.diagram svg{display:block;width:100%;height:auto}
.diagram .cap{margin:14px 0 0;font-size:.85rem;color:var(--ink-soft)}
.diagram .cap b{color:var(--ink);font-weight:600}

.persona-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);margin:32px 0;border:1px solid var(--line)}
@media(max-width:720px){.persona-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.persona-grid{grid-template-columns:1fr}}
.persona-card{background:var(--surface);padding:20px 18px}
.persona-card .name{font-weight:600;margin:0 0 2px;font-size:.98rem}
.persona-card .role{font-family:var(--font-mono);font-size:.75rem;color:var(--ink-faint);letter-spacing:.04em;text-transform:uppercase;margin:0 0 10px}
.persona-card .fact{font-size:.85rem;color:var(--ink-soft);margin:0 0 10px}
.persona-card .q{font-size:.82rem;font-style:italic;color:var(--ink);margin:0;border-left:2px solid var(--accent);padding-left:10px}
.persona-grid-cap{font-size:.85rem;color:var(--ink-soft);margin:-18px 0 32px}

.principles-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);margin:32px 0;border:1px solid var(--line)}
@media(max-width:720px){.principles-grid{grid-template-columns:1fr}}
.principle-card{background:var(--surface);padding:22px 20px}
.principle-card .theme{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-ink);margin:0 0 10px}
.principle-card p{font-size:.92rem;color:var(--ink);margin:0;line-height:1.6}
.principle-card .never{font-weight:600}
.principle-card .gap{color:var(--ink-faint);font-style:italic}

.screenshot{margin:32px 0;border:1px solid var(--line);border-radius:4px;background:var(--surface);overflow:hidden}
.screenshot img{display:block;width:100%;height:auto;border-bottom:1px solid var(--line)}
.screenshot .cap{margin:0;padding:14px 20px;font-size:.85rem;color:var(--ink-soft)}
.screenshot .cap b{color:var(--ink);font-weight:600}

.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);margin:0 0 30px;border:1px solid var(--line)}
@media (max-width:640px){.stat-band{grid-template-columns:repeat(2,1fr)}}
.stat-band .stat{background:var(--surface);padding:22px 20px}
.stat .num{font-family:var(--font-display);font-size:1.9rem;color:var(--accent-ink);font-variant-numeric:tabular-nums}
.stat .label{font-size:.85rem;color:var(--ink-soft);margin-top:4px}

.facts-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;font-size:.92rem;margin:0 0 48px}
@media (max-width:720px){.facts-row{grid-template-columns:1fr 1fr}}
.facts-row dt{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-faint);margin:0 0 4px}
.facts-row dd{margin:0;color:var(--ink)}

.cs-section{padding:44px 0;border-bottom:1px solid var(--line);max-width:var(--measure)}
.cs-section:last-of-type{border-bottom:none}
.cs-section h2{font-family:var(--font-display);font-size:1.5rem;margin:0 0 18px;letter-spacing:-.01em}
.cs-section p{margin:0 0 18px}
.cs-section p:last-child{margin-bottom:0}

blockquote.pull{
  font-family:var(--font-display);font-size:1.5rem;line-height:1.35;
  margin:32px 0;padding-left:22px;border-left:2px solid var(--accent);color:var(--ink)
}
blockquote.pull cite{display:block;font-family:var(--font-mono);font-size:.78rem;color:var(--ink-soft);font-style:normal;margin-top:10px}
blockquote.small{font-size:1.02rem;color:var(--ink-soft);border-left:2px solid var(--line-strong);padding-left:18px;margin:24px 0}

.callout{
  background:var(--accent-wash);border-left:2px solid var(--accent);padding:18px 22px;
  margin:24px 0;font-size:.96rem;color:var(--ink)
}
.callout .label{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-ink);display:block;margin-bottom:6px}

.outcomes{margin:0;padding-left:20px}
.outcomes li{margin-bottom:12px}
.outcomes li:last-child{margin-bottom:0}

.ai-box{background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:26px 24px;margin-top:8px}
.ai-box ul{margin:14px 0 0;padding-left:20px}
.ai-box li{margin-bottom:10px}

.cs-footer{padding:56px 0 72px}
.cs-footer p{max-width:var(--measure);color:var(--ink-soft)}

.back-link{font-family:var(--font-mono);font-size:.82rem;color:var(--ink-soft);text-decoration:none}
.back-link:hover{color:var(--accent-ink)}

.screenshot>a{display:block;cursor:zoom-in}
.screenshot .pair{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border-bottom:1px solid var(--line)}
.screenshot .pair img{border-bottom:none;background:var(--surface)}
@media(max-width:640px){.screenshot .pair{grid-template-columns:1fr}}

.screenshot .scroller{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;border-bottom:1px solid var(--line)}
.screenshot .scroller img{flex:0 0 100%;width:100%;scroll-snap-align:start;border-bottom:none}
.screenshot .scroller:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}

/* ---- brief: problem / role / result, readable in 30 seconds ---- */
.brief{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:0 0 16px}
@media(max-width:760px){.brief{grid-template-columns:1fr}}
.brief>div{background:var(--surface);padding:22px 20px}
.brief h2{font-family:var(--font-mono);font-size:.75rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-ink);margin:0 0 10px}
.brief p{margin:0;font-size:.95rem;line-height:1.55}
.facts-line{font-size:.86rem;color:var(--ink-soft);margin:0 0 40px;line-height:1.7;max-width:none}
.facts-line b{font-family:var(--font-mono);font-size:.75rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-faint);margin-right:6px}
.facts-line span{display:inline-block;margin-right:22px}

/* story text */
.cs-section h2+p{margin-top:0}
.cs-section .aside{font-size:.95rem;color:var(--ink-soft)}
blockquote.pull cite, blockquote.small cite{display:block;font-family:var(--font-mono);font-size:.76rem;color:var(--ink-soft);font-style:normal;margin-top:10px}

/* expandable detail */
details.more{margin:28px 0;border:1px solid var(--line);border-radius:4px;background:var(--surface)}
details.more summary{cursor:pointer;padding:14px 20px;font-family:var(--font-mono);font-size:.8rem;color:var(--accent-ink)}
details.more summary:hover{text-decoration:underline}
details.more .principles-grid{margin:0;border:none;border-top:1px solid var(--line)}

/* home: work cards with thumbnails */
.work-card{grid-template-columns:minmax(0,270px) 1fr;align-items:start}
.work-card.flagship{grid-template-columns:1fr}
.work-card .thumb{border:1px solid var(--line);border-radius:3px;overflow:hidden;background:var(--paper)}
.work-card .thumb img{width:100%;aspect-ratio:3/2;object-fit:cover;object-position:top left}
.work-card .thumb img.pos-center{object-position:center}
@media (prefers-reduced-motion: no-preference){
  .work-card .thumb img{transition:transform .35s ease}
  a.work-card:hover .thumb img{transform:scale(1.03)}
  .work-card h3{transition:color .15s ease}
}
.work-card.flagship .thumb img{aspect-ratio:3/1}
.work-card .role-line{font-size:.9rem;margin:0 0 14px;color:var(--ink);max-width:58ch}
.work-card .role-line b{font-family:var(--font-mono);font-size:.75rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-faint);margin-right:6px}
@media (max-width:720px){.work-card{grid-template-columns:1fr}}

.screenshot.narrow{max-width:460px}

/* consistent gutters: hero and home sections were losing their side or top padding */
.hero.wrap{padding:76px 28px 56px}
.cs-hero.wrap{padding:60px 28px 40px}
section.wrap{padding:64px 28px}
@media (max-width:600px){
  .hero.wrap{padding:52px 20px 40px}
  .cs-hero.wrap{padding:40px 20px 28px}
  section.wrap{padding:48px 20px}
}
.screenshot .pair a{display:block;cursor:zoom-in;background:var(--surface)}

/* embedded video */
.video-frame{position:relative;aspect-ratio:16/9;background:#000;border-bottom:1px solid var(--line)}
.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.screenshot .cap a{color:var(--accent-ink)}

/* plain section labels above story headings, and short lists */
.cs-section .kicker{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-ink);margin:0 0 8px}
.cs-section ul{margin:0 0 18px;padding-left:20px}
.cs-section li{margin-bottom:8px}
.cs-section li:last-child{margin-bottom:0}

/* homepage intro: recent work list */
.hero .dek{margin-bottom:22px}
.hero .proof-label{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);margin:0 0 10px}
.hero .proof{list-style:none;margin:0 0 30px;padding:0;max-width:var(--measure)}
.hero .proof li{position:relative;padding-left:20px;margin:0 0 10px;font-size:1rem;line-height:1.5}
.hero .proof li::before{content:"";position:absolute;left:0;top:.75em;width:10px;height:1px;background:var(--accent)}
.hero .proof a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line-strong)}
.hero .proof a:hover{color:var(--accent-ink);border-bottom-color:var(--accent)}

/* about: photo beside text */
.about-grid{display:grid;grid-template-columns:200px minmax(0,1fr);gap:36px;align-items:start}
.about-photo{width:100%;max-width:180px;aspect-ratio:1/1;object-fit:cover;object-position:50% 22%;border-radius:50%;border:1px solid var(--line)}
@media (max-width:640px){.about-grid{grid-template-columns:1fr;gap:24px}.about-photo{max-width:140px}}
footer .clients{flex-basis:100%;margin:28px 0 0;padding-top:20px;border-top:1px solid var(--line);font-size:.86rem;color:var(--ink-soft);line-height:1.8}
footer .clients b{display:block;font-family:var(--font-mono);font-size:.75rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:6px}