/* ============================================================
   Summer Hill — shared styles
   Editorial. Ink on slate. No accent color.
   ============================================================ */
:root{
  --bg: #ebeae5;
  --ink: #1a1a1a;
  --ink-soft: #4a4845;
  --muted: #7a7a76;
  --line: rgba(26,26,26,.22);
  --line-soft: rgba(26,26,26,.10);
  --maxw: 1280px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:"Inter", system-ui, -apple-system, Segoe UI, Helvetica, Arial, sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit}
::selection{background:var(--ink);color:var(--bg)}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 48px}

.smallcaps{
  text-transform:uppercase;
  letter-spacing:.22em;
  font-size:11px;
  font-weight:500;
  color:var(--ink);
}

/* ---------- nav ---------- */
nav.top{
  position:sticky; top:0; z-index:50;
  background: color-mix(in oklab, var(--bg) 92%, transparent);
  backdrop-filter: saturate(150%) blur(12px);
  border-bottom: 1px solid var(--line-soft);
}
nav.top .row{
  display:flex; align-items:center; justify-content:center;
  padding:24px 0;
}
.nav-links{display:flex;gap:32px;align-items:center}
.nav-links a{
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  font-weight:500;
  opacity:.7;
  text-decoration:none;
  transition:opacity .2s ease;
}
.nav-links a:hover{opacity:1}
.nav-links a.active{opacity:1; text-decoration:underline; text-underline-offset:6px; text-decoration-thickness:1px}
.nav-links .resume{
  border:1px solid var(--ink);
  padding:8px 16px;
  opacity:1;
  letter-spacing:.18em;
}
.nav-links .resume:hover{background:var(--ink); color:var(--bg)}

/* ---------- buttons ---------- */
.btn-line{
  display:inline-flex; align-items:center; gap:10px;
  padding:14px 24px;
  border:1px solid var(--ink);
  color:var(--ink);
  text-decoration:none;
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  font-weight:500;
  transition: background .2s ease, color .2s ease;
}
.btn-line:hover{background:var(--ink); color:var(--bg)}
.btn-line .arrow{transition: transform .2s ease}
.btn-line:hover .arrow{transform: translateX(3px)}

/* ---------- hero quote (home page) ---------- */
.quote-hero{
  padding: 128px 0 96px;
}
.quote-hero blockquote{
  margin:0;
  font-family:"Fraunces", serif;
  font-style:normal;
  font-weight:700;
  font-variation-settings:"opsz" 144, "SOFT" 0;
  font-size: clamp(34px, 5.6vw, 76px);
  line-height: 1.08;
  letter-spacing:-.015em;
  color:var(--ink);
  max-width: 18ch;
}
.quote-hero .byline{
  margin-top: 56px;
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  font-weight:500;
  color:var(--ink);
}
.quote-hero .byline a{
  text-decoration:none;
  border-bottom:1px solid var(--line);
  padding-bottom:2px;
}
.quote-hero .byline a:hover{border-color:var(--ink)}

/* ---------- divider ---------- */
.divider{
  height:1px; background:var(--line); width:100%;
  margin: 80px 0 0;
}

/* ---------- experience grid (2x2 home page) ---------- */
.grid-experience{
  display:grid;
  grid-template-columns: 1fr 1fr;
}
.grid-experience .cell{
  padding: 72px 72px 72px 0;
  border-bottom: 1px solid var(--line);
}
.grid-experience .cell:nth-child(odd){
  padding-right: 72px;
  border-right: 1px solid var(--line);
}
.grid-experience .cell:nth-child(even){
  padding-left: 72px;
  padding-right: 0;
}
.grid-experience .cell:nth-last-child(-n+2){
  border-bottom: none;
}
.grid-experience .kicker{
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  font-weight:500;
  color:var(--ink);
  margin: 0 0 36px;
  min-height:14px;
}
.grid-experience .company{
  font-family:"Fraunces", serif;
  font-style:normal;
  font-weight:600;
  font-variation-settings:"opsz" 96, "SOFT" 0;
  font-size: clamp(24px, 2.4vw, 30px);
  line-height:1.12;
  letter-spacing:-.01em;
  margin: 0 0 10px;
  color:var(--ink);
}
.grid-experience .role{
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  font-weight:500;
  color:var(--ink);
  margin: 0 0 18px;
}
.grid-experience .desc{
  font-size:15px;
  line-height:1.65;
  margin:0;
  color:var(--ink-soft);
  max-width: 40ch;
}

/* ---------- page header (work/about/contact) ---------- */
.page-head{
  padding: 128px 0 88px;
  border-bottom: 1px solid var(--line);
}
.page-head .kicker{
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  font-weight:500;
  color:var(--ink);
  margin: 0 0 32px;
}
.page-head h1{
  font-family:"Fraunces", serif;
  font-style:normal;
  font-weight:700;
  font-variation-settings:"opsz" 144, "SOFT" 0;
  font-size: clamp(40px, 6vw, 80px);
  line-height: 1.06;
  letter-spacing:-.015em;
  margin: 0 0 24px;
  color:var(--ink);
  max-width: 18ch;
}
.page-head .lede{
  font-size: clamp(17px, 1.4vw, 20px);
  line-height:1.55;
  color:var(--ink-soft);
  max-width: 60ch;
  margin: 0;
}

/* ---------- sections ---------- */
section{padding:112px 0; position:relative}
.section-head{margin-bottom:56px}
.section-head .kicker{
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  font-weight:500;
  color:var(--ink);
  margin: 0 0 24px;
}
.section-head h2{
  font-family:"Fraunces", serif;
  font-style:normal;
  font-weight:700;
  font-variation-settings:"opsz" 144, "SOFT" 0;
  font-size: clamp(28px, 3.8vw, 44px);
  line-height: 1.08;
  letter-spacing:-.012em;
  margin:0;
  color:var(--ink);
  max-width: 22ch;
}
.section-head .sub{
  font-size:15px;
  color:var(--ink-soft);
  margin: 14px 0 0;
}

/* ---------- pull quote (about) ---------- */
.pull{
  padding: 112px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.pull blockquote{
  margin:0;
  font-family:"Fraunces", serif;
  font-style:normal;
  font-weight:600;
  font-variation-settings:"opsz" 144, "SOFT" 0;
  font-size: clamp(26px, 3.6vw, 44px);
  line-height: 1.12;
  letter-spacing:-.01em;
  max-width: 24ch;
  color:var(--ink);
}
.pull .cite{
  margin-top: 36px;
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  font-weight:500;
  color:var(--ink-soft);
}

/* ---------- work / case list ---------- */
.case-list{
  display:flex; flex-direction:column;
  border-top: 1px solid var(--line);
}
.case{
  display:grid;
  grid-template-columns: 280px 1fr;
  gap: 64px;
  padding: 72px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 80px;
}
.case .col-left .company{
  font-family:"Fraunces", serif;
  font-style:normal;
  font-weight:600;
  font-variation-settings:"opsz" 96, "SOFT" 0;
  font-size: clamp(22px, 2.2vw, 28px);
  line-height:1.15;
  letter-spacing:-.008em;
  margin: 0 0 12px;
  color:var(--ink);
}
.case .col-left .role{
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  font-weight:500;
  color:var(--ink);
  margin: 0 0 16px;
}
.case .col-left .sector{
  font-size:13.5px;
  line-height:1.55;
  color:var(--ink-soft);
  margin: 0;
}
.case .col-right .dek{
  font-size: 17px;
  line-height:1.65;
  margin: 0 0 28px;
  color:var(--ink);
  max-width: 64ch;
}
.case ul.notable{
  margin:0; padding:0; list-style:none;
  display:flex; flex-direction:column; gap:16px;
}
.case ul.notable li{
  font-size:15.5px;
  line-height:1.65;
  color:var(--ink-soft);
  padding-left: 18px;
  position: relative;
  max-width: 64ch;
}
.case ul.notable li::before{
  content:"";
  position:absolute; left:0; top:11px;
  width:8px; height:1px;
  background:var(--ink);
  opacity:.5;
}
.case ul.notable li b{
  font-family:"Fraunces", serif;
  font-style:normal;
  font-weight:700;
  font-size:15.5px;
  margin-right:8px;
  color:var(--ink);
}

/* ---------- about: bio columns ---------- */
.bio{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  max-width: 980px;
}
.bio p{font-size:17px; line-height:1.75; margin:0; color:var(--ink-soft)}
.bio p + p{margin-top:20px}
.bio p strong{color:var(--ink); font-weight:600}

/* ---------- principles ---------- */
.principles{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
}
.principle{
  padding: 36px 40px 36px 0;
  border-right: 1px solid var(--line);
}
.principle:nth-child(2){padding-left: 40px}
.principle:nth-child(3){padding-left: 40px; border-right:none}
.principle .kicker{
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  font-weight:500;
  color:var(--ink);
  margin: 0 0 20px;
}
.principle h4{
  font-family:"Fraunces", serif;
  font-style:normal;
  font-weight:600;
  font-size:22px;
  letter-spacing:-.008em;
  margin: 0 0 16px;
}
.principle p{
  font-size:15px;
  line-height:1.7;
  color:var(--ink-soft);
  margin: 0;
}

/* ---------- competencies and tools (about) ---------- */
.cols-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}
.col-3{
  padding: 36px 40px 36px 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.col-3:nth-child(3n){border-right:none}
.col-3:nth-child(2),
.col-3:nth-child(3){padding-left:40px}
.col-3 .kicker{
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  font-weight:500;
  color:var(--ink);
  margin: 0 0 16px;
}
.col-3 h4{
  font-family:"Fraunces", serif;
  font-style:normal;
  font-weight:600;
  font-size:20px;
  letter-spacing:-.005em;
  margin: 0 0 16px;
}
.col-3 ul{
  list-style:none; margin:0; padding:0;
  display:flex; flex-direction:column; gap:10px;
}
.col-3 li{font-size:14.5px; color:var(--ink-soft)}

/* ---------- stack ---------- */
.stack-body{
  display:flex; flex-direction:column;
  border-top: 1px solid var(--line);
  max-width: 1000px;
}
.stack-group{
  display:grid; grid-template-columns: 240px 1fr;
  gap: 32px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  align-items:baseline;
}
.stack-group h5{
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  font-weight:500;
  color:var(--ink);
  margin:0;
}
.stack-group .items{font-size:15.5px; line-height:1.65; margin:0; color:var(--ink-soft); font-family:"Fraunces", serif; font-variation-settings:"opsz" 24, "SOFT" 0}
.stack-group .items .sep{opacity:.4; margin:0 .4em}

/* ---------- coda / contact ---------- */
.coda{
  padding: 128px 0 64px;
  border-top: 1px solid var(--line);
}
.coda h2{
  font-family:"Fraunces", serif;
  font-style:normal;
  font-weight:700;
  font-variation-settings:"opsz" 144, "SOFT" 0;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.06;
  letter-spacing:-.015em;
  margin: 0 0 36px;
  max-width: 20ch;
}
.coda .row{
  display:flex; flex-wrap:wrap; align-items:baseline; gap:28px;
}
.coda .email{
  font-family:"Fraunces", serif;
  font-style:normal;
  font-weight:600;
  font-size: clamp(18px, 1.6vw, 22px);
  text-decoration:none;
  color:var(--ink);
  border-bottom:1px solid var(--ink);
  padding-bottom:2px;
  transition: opacity .2s ease;
}
.coda .email:hover{opacity:.6}
.coda .response{
  font-size:14px;
  color:var(--ink-soft);
  max-width:46ch;
  margin:0;
}

/* ---------- FAQ ---------- */
.faq{display:flex; flex-direction:column; gap:0; border-top:1px solid var(--line)}
.faq details{
  border-bottom:1px solid var(--line);
  padding: 32px 0;
}
.faq summary{
  list-style:none;
  cursor:pointer;
  display:flex; align-items:center; justify-content:space-between; gap:20px;
  font-family:"Fraunces", serif;
  font-weight:600;
  font-size: clamp(17px, 1.4vw, 20px);
  letter-spacing:-.005em;
  color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+"; font-family:"Fraunces", serif; font-weight:400;
  color:var(--ink); font-size:24px; line-height:1;
  transition: transform .2s ease;
}
.faq details[open] summary::after{transform: rotate(45deg)}
.faq p{
  margin: 20px 0 0;
  font-size:15.5px;
  line-height:1.7;
  color:var(--ink-soft);
  max-width: 72ch;
}

/* ---------- footer ---------- */
.foot{
  border-top:1px solid var(--line);
  padding:40px 0 48px;
  display:flex; justify-content:space-between; gap:20px;
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--ink-soft);
}
.foot .links{display:flex; gap:24px}
.foot .links a{text-decoration:none}
.foot .links a:hover{color:var(--ink)}

/* ---------- responsive ---------- */
@media (max-width: 900px){
  .wrap{padding:0 24px}
  section{padding:72px 0}
  .quote-hero{padding:72px 0 48px}
  .quote-hero blockquote{font-size: clamp(28px, 8vw, 52px); max-width:20ch}
  .divider{margin:48px 0 0}
  .page-head{padding:72px 0 48px}
  .grid-experience{grid-template-columns:1fr}
  .grid-experience .cell,
  .grid-experience .cell:nth-child(odd),
  .grid-experience .cell:nth-child(even){
    padding: 40px 0;
    border-right:none;
    border-bottom: 1px solid var(--line);
  }
  .grid-experience .cell:last-child{border-bottom:none}
  .bio{grid-template-columns:1fr; gap:24px}
  .principles{grid-template-columns:1fr}
  .principle{padding:28px 0; border-right:none; border-bottom:1px solid var(--line)}
  .principle:nth-child(2),
  .principle:nth-child(3){padding-left:0}
  .principle:last-child{border-bottom:none}
  .cols-3{grid-template-columns:1fr}
  .col-3{padding:28px 0; border-right:none}
  .col-3:nth-child(2),
  .col-3:nth-child(3){padding-left:0}
  .stack-group{grid-template-columns:1fr; gap:8px}
  .case{grid-template-columns:1fr; gap:18px; padding: 48px 0}
  .coda{padding: 88px 0 48px}
  .foot{flex-direction:column; gap:10px}
  .nav-links{gap:18px}
  .nav-links a:not(.resume):not(.active){display:none}
}

.reveal{opacity:0; transform:translateY(12px); transition: opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1; transform:none}