:root{
  --bg:#f7f5f0;
  --paper:#ffffff;
  --ink:#161a2e;
  --lavender:#dfe6fb;
  --lavender-2:#eef2fd;
  --periwinkle:#2b4fd8;
  --periwinkle-deep:#1d3596;
  --lemon:#f8ebc4;
  --pink:#f6e4da;
  --mint:#e2efe6;
  --line:1.5px solid var(--ink);
  --shadow:0 1px 2px rgba(22,26,46,.06), 0 8px 16px -6px rgba(22,26,46,.24);
  --shadow-sm:0 1px 2px rgba(22,26,46,.06), 0 6px 12px -5px rgba(22,26,46,.24);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}

body{
  background:
    radial-gradient(circle at 1px 1px, rgba(43,79,216,.10) 1px, transparent 1.4px) 0 0/25px 25px,
    var(--bg);
  color:var(--ink);
}

.active-link{background:var(--lavender)!important}

.research-shell{
  width:min(1220px,calc(100% - 34px));
  margin:0 auto;
  padding:48px 0 110px;
}

.research-hero{
  position:relative;
  max-width:850px;
  margin:0 auto 34px;
  text-align:center;
}

.archive-pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  border:var(--line);
  border-radius:999px;
  background:var(--paper);
  box-shadow:var(--shadow-sm);
  padding:7px 13px;
  font-size:.72rem;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.13em;
  transform:none;
}

.research-hero h1{
  margin:18px 0 0;
  font-family:"Fraunces",serif;
  font-size:clamp(3.2rem,7.5vw,6rem);
  line-height:.95;
  letter-spacing:-.055em;
}

.research-hero .squiggle{
  width:180px;
  height:13px;
  margin:9px auto 0;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 12' preserveAspectRatio='none'%3E%3Cpath d='M2 8 C20 2,40 12,60 6 S100 2,118 7' fill='none' stroke='%237777D8' stroke-width='3' stroke-linecap='round'/%3E%3C/svg%3E") center/100% 100% no-repeat;
}

.research-hero p{
  max-width:720px;
  margin:18px auto 0;
  font-family:"Caveat",cursive;
  font-size:1.8rem;
  line-height:1.3;
  color:var(--periwinkle-deep);
}

.research-layout{
  display:grid;
  grid-template-columns:165px minmax(0,1fr) 165px;
  gap:20px;
  align-items:start;
}

.scrap-column{
  display:flex;
  flex-direction:column;
  gap:16px;
  padding-top:34px;
}

.scrap-note{
  border:var(--line);
  border-radius:18px;
  box-shadow:var(--shadow-sm);
  padding:14px 12px;
  font-family:"Caveat",cursive;
  font-size:1.35rem;
  line-height:1.08;
  text-align:center;
}

.scrap-note:nth-child(odd){transform:none}
.scrap-note:nth-child(even){transform:none}
.scrap-note.dark{background:var(--ink);color:#fff}
.scrap-note.lav{background:var(--lavender)}
.scrap-note.yellow{background:var(--lemon)}
.scrap-note.white{background:#fff}
.scrap-note.pink{background:var(--pink)}

.archive-board{
  border:var(--line);
  border-radius:30px;
  background:rgba(255,255,255,.9);
  box-shadow:var(--shadow);
  padding:24px;
}

.board-top{
  display:flex;
  justify-content:space-between;
  gap:18px;
  align-items:flex-start;
  flex-wrap:wrap;
}

.board-stamp{
  display:inline-block;
  border:var(--line);
  background:var(--lavender);
  border-radius:999px;
  box-shadow:var(--shadow-sm);
  padding:7px 12px;
  text-transform:uppercase;
  letter-spacing:.09em;
  font-size:.72rem;
  font-weight:800;
  margin-bottom:12px;
}

.board-top h2{
  margin:0;
  font-family:"Fraunces",serif;
  font-size:2.1rem;
}

.board-intro{
  max-width:760px;
  margin:15px 0 0;
  line-height:1.72;
  color:#3e4357;
}

.work-section-head{margin:30px 0 16px}
.work-section-head .handwritten{margin:0 0 4px;color:var(--periwinkle-deep)}
.work-section-head h3{margin:0;font:700 1.8rem/1.15 "Fraunces",serif}
.work-section-head > p:last-child{margin:8px 0 0;color:#3e4357;line-height:1.6}
.featured-study-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:22px}
.supporting-work{margin-top:40px;padding-top:24px;border-top:2px dashed rgba(27,24,32,.25)}
.supporting-work .work-section-head{margin-top:0}
.supporting-card{
  display:grid;grid-template-columns:minmax(155px,210px) minmax(0,1fr);gap:18px;
  padding:16px;border:var(--line);border-radius:20px;background:var(--lavender-2);
  box-shadow:var(--shadow-sm);
}
.supporting-art{
  display:flex;flex-direction:column;justify-content:center;gap:12px;
  min-height:150px;padding:16px;border:var(--line);border-radius:15px;
  background:linear-gradient(135deg,#e6ebfb,#d3ddf8);
}
.supporting-art span{font-size:.72rem;font-weight:800;letter-spacing:.08em;color:var(--periwinkle-deep)}
.supporting-art strong{font:700 1.3rem/1.2 "Fraunces",serif}
.supporting-body{min-width:0}
.supporting-body h4{margin:10px 0 7px;font:700 1.35rem/1.2 "Fraunces",serif}
.supporting-body p{margin:0 0 13px;color:#3e4357;line-height:1.65;font-size:.9rem}
.supporting-body .study-button{margin-top:2px}

.filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:9px;
  margin:24px 0 0;
}

.filter-button{
  border:var(--line);
  border-radius:999px;
  background:#fff;
  box-shadow:0 1px 2px rgba(22,26,46,.06), 0 4px 8px -3px rgba(22,26,46,.24);
  padding:8px 13px;
  font-size:.8rem;
  font-weight:800;
  cursor:pointer;
}

.filter-button.is-active{
  background:var(--ink);
  color:#fff;
}

.study-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
  margin-top:25px;
}

.study-card{
  position:relative;
  overflow:hidden;
  border:var(--line);
  border-radius:23px;
  background:#fff;
  box-shadow:var(--shadow-sm);
  transition:.18s ease;
}

.study-card:hover{transform:translateY(-3px)}


.study-preview{
  position:relative;
  height:220px;
  overflow:hidden;
  border-bottom:var(--line);
  background:var(--lavender-2);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:16px 18px 22px;
}

.preview-ia{background:linear-gradient(135deg,#e6ebfb,#d3ddf8)}
.preview-ai{background:linear-gradient(135deg,#e6ebfb,#d3ddf8)}
.preview-shein{background:linear-gradient(135deg,#fbf0d2,#f6e3ae)}
.preview-taste{background:linear-gradient(135deg,#e8f2ec,#d5e9dd)}

.preview-artifact{
  position:relative;
  width:min(100%,470px);
  height:100%;
  max-height:174px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  padding:14px 17px;
  border:var(--line);
  border-radius:17px;
  background:#fff;
  box-shadow:0 1px 2px rgba(22,26,46,.06), 0 10px 20px -8px rgba(22,26,46,.24);
  transform:none;
}

.preview-ai .preview-artifact,.preview-taste .preview-artifact{transform:none}
.mini-label{font-size:.72rem;font-weight:800;letter-spacing:.07em;color:var(--periwinkle-deep)}
.preview-artifact strong{max-width:390px;font:700 clamp(1.1rem,2.2vw,1.55rem)/1.12 "Fraunces",serif}
.mini-trail{display:flex;align-items:center;flex-wrap:wrap;gap:5px}
.mini-trail span{
  padding:4px 8px;
  border:1.5px solid var(--ink);
  border-radius:999px;
  background:var(--lavender-2);
  font-size:.72rem;
  font-weight:700;
}
.mini-trail b{font-size:.8rem}

.preview-sticker{
  position:absolute;
  right:13px;
  bottom:12px;
  border:var(--line);
  border-radius:999px;
  background:#fff;
  box-shadow:0 1px 2px rgba(22,26,46,.06), 0 4px 8px -3px rgba(22,26,46,.24);
  padding:6px 10px;
  font-family:"Caveat",cursive;
  font-size:1rem;
  max-width:calc(100% - 26px);
  z-index:1;
}

.study-body{padding:19px}
.study-meta{
  display:flex;
  justify-content:space-between;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
}

.kicker,.privacy{
  border:var(--line);
  border-radius:999px;
  padding:5px 9px;
  font-size:.68rem;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.07em;
  background:#fff;
}

.privacy{background:var(--lemon)}
.privacy.locked{background:var(--pink)}

.study-body h3,.study-body h4{
  margin:12px 0 7px;
  font-family:"Fraunces",serif;
  font-size:1.55rem;
  line-height:1.16;
}

.study-body .subtitle{
  margin:0;
  font-family:"Caveat",cursive;
  color:var(--periwinkle-deep);
  font-size:1.15rem;
}

.study-body .desc{
  margin:12px 0 0;
  color:#3e4357;
  line-height:1.65;
  font-size:.92rem;
}

.study-facts{
  margin:15px 0 0;
  padding:13px 14px;
  border:2px dashed rgba(27,24,32,.38);
  border-radius:14px;
  background:rgba(250,245,255,.7);
  display:grid;
  gap:6px;
  font-size:.82rem;
}

.method-chips{
  display:flex;
  flex-wrap:wrap;
  gap:7px;
  margin-top:14px;
}

.method-chips span{
  border:1.5px solid var(--ink);
  border-radius:999px;
  background:#fff;
  padding:5px 8px;
  font-size:.72rem;
  font-weight:700;
}

.study-actions{
  margin-top:17px;
  display:flex;
  flex-wrap:wrap;
  gap:9px;
}

.study-button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:var(--line);
  border-radius:999px;
  box-shadow:var(--shadow-sm);
  padding:9px 14px;
  font-size:.82rem;
  font-weight:800;
  transition:.18s ease;
}

.study-button:hover{transform:translateY(-2px)}
.study-button.primary{background:var(--periwinkle-deep);color:#fff}
.study-button.secondary{background:#fff}
.study-button.locked{background:var(--ink);color:#fff}

.locked-visual{
  height:220px;
  display:grid;
  place-items:center;
  text-align:center;
  padding:20px;
  background:
    radial-gradient(circle,rgba(43,79,216,.18) 1px,transparent 1.4px) 0 0/22px 22px,
    linear-gradient(135deg,#eef2fd,#fbf3dc);
  border-bottom:var(--line);
}

.locked-visual .lock{
  width:78px;
  height:78px;
  display:grid;
  place-items:center;
  border:var(--line);
  border-radius:50%;
  background:#fff;
  box-shadow:var(--shadow);
  font-size:2rem;
}

.footer-card{
  width:min(760px,100%);
  margin:35px auto 0;
  padding:24px 28px;
  border:var(--line);
  border-radius:24px;
  background:var(--lemon);
  box-shadow:var(--shadow);
  text-align:center;
  transform:none;
}

.footer-card .hand{
  margin:0 0 7px;
  font-family:"Caveat",cursive;
  font-size:1.95rem;
  color:var(--periwinkle-deep);
}

.footer-card p:last-child{
  margin:0;
  line-height:1.7;
  color:#3e4357;
}

/* CASE STUDY PAGES */

.case-shell{
  width:min(1180px,calc(100% - 34px));
  margin:0 auto;
  padding:40px 0 120px;
}

.case-back{
  display:inline-flex;
  gap:6px;
  align-items:center;
  font-size:.86rem;
  font-weight:800;
  color:var(--periwinkle-deep);
}

.case-hero{
  margin-top:17px;
  border:var(--line);
  border-radius:30px;
  background:#fff;
  box-shadow:var(--shadow);
  overflow:hidden;
}

.case-hero-inner{
  padding:28px;
}

.case-labels{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}

.case-label{
  border:var(--line);
  border-radius:999px;
  background:var(--lavender);
  padding:6px 10px;
  font-size:.7rem;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.07em;
}

.case-year{
  font-family:"Caveat",cursive;
  color:var(--periwinkle-deep);
  font-size:1.15rem;
  padding:3px 5px;
}

.case-hero h1{
  margin:13px 0 7px;
  max-width:850px;
  font-family:"Fraunces",serif;
  font-size:clamp(2.8rem,6.5vw,5.3rem);
  line-height:1.03;
  letter-spacing:-.045em;
}

.case-deck{
  max-width:790px;
  margin:0;
  font-size:1.05rem;
  line-height:1.68;
  color:#3e4357;
}

.metric-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:10px;
  margin-top:22px;
}

.metric{
  border:var(--line);
  border-radius:15px;
  padding:13px;
  background:var(--lavender-2);
}

.metric .label{
  display:block;
  font-size:.65rem;
  text-transform:uppercase;
  font-weight:800;
  letter-spacing:.08em;
  color:#4d5368;
}

.metric strong{
  display:block;
  margin-top:5px;
  font-family:"Fraunces",serif;
  font-size:1rem;
}

.case-hero-image{
  border-top:var(--line);
  background:#fafafa;
  padding:22px;
}

.case-hero-image img{
  width:100%;
  max-height:620px;
  object-fit:contain;
  object-position:top;
  border:1.5px solid rgba(27,24,32,.7);
  border-radius:14px;
  background:#fff;
}

.case-grid{
  display:grid;
  grid-template-columns:minmax(0,760px) 230px;
  justify-content:center;
  gap:32px;
  margin-top:36px;
}

.case-content{min-width:0}

.case-section{
  padding-top:31px;
  margin-top:31px;
  border-top:2px dashed rgba(27,24,32,.20);
  scroll-margin-top:25px;
}

.case-section:first-child{
  border-top:0;
  padding-top:0;
  margin-top:0;
}

.case-section h2{
  margin:0 0 12px;
  font-family:"Fraunces",serif;
  font-size:2rem;
}

.case-section h3{
  margin:22px 0 8px;
  font-family:"Fraunces",serif;
  font-size:1.18rem;
}

.case-section p,.case-section li{
  line-height:1.75;
  color:#3e4357;
}

.case-section ul,.case-section ol{
  padding-left:21px;
}

.section-tag{
  display:inline-block;
  margin-bottom:8px;
  font-family:"Caveat",cursive;
  font-size:1.25rem;
  color:var(--periwinkle-deep);
}

.callout{
  margin:17px 0;
  border:var(--line);
  border-radius:17px;
  box-shadow:var(--shadow-sm);
  padding:18px;
}

.callout.lav{background:var(--lavender-2)}
.callout.yellow{background:var(--lemon)}
.callout.pink{background:var(--pink)}
.callout.mint{background:var(--mint)}
.callout.dark{background:var(--ink);color:#fff}
.callout.dark p,.callout.dark li{color:#fff}

.insight-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
  margin-top:16px;
}

.insight-card{
  border:var(--line);
  border-radius:16px;
  padding:16px;
  background:#fff;
  box-shadow:0 1px 2px rgba(22,26,46,.06), 0 4px 8px -3px rgba(22,26,46,.24);
}

.insight-card .num{
  font-family:"Caveat",cursive;
  font-size:1.35rem;
  color:var(--periwinkle-deep);
}

.insight-card h3{
  margin:6px 0 6px;
  font-size:1.05rem;
}

.insight-card p{
  margin:0;
  font-size:.9rem;
  line-height:1.6;
}

.process-list{
  display:grid;
  gap:10px;
  margin-top:13px;
}

.process-step{
  display:grid;
  grid-template-columns:36px 1fr;
  gap:12px;
  align-items:flex-start;
  border:var(--line);
  border-radius:14px;
  padding:13px;
  background:#fff;
}

.process-step .step-no{
  width:30px;height:30px;
  display:grid;place-items:center;
  border:var(--line);
  border-radius:50%;
  background:var(--periwinkle-deep);
  color:#fff;
  font-size:.78rem;
  font-weight:800;
}

.process-step p{margin:1px 0 0}

.case-aside{
  position:relative;
}

.jump-card{
  position:sticky;
  top:20px;
  border:var(--line);
  border-radius:17px;
  background:#fff;
  box-shadow:var(--shadow);
  padding:15px;
  transform:none;
}

.jump-card .jump-title{
  margin:0 0 9px;
  font-family:"Caveat",cursive;
  font-size:1.35rem;
}

.jump-card a{
  display:block;
  padding:6px 7px;
  border-radius:8px;
  font-size:.81rem;
  color:#3e4357;
}

.jump-card a:hover{background:var(--lavender-2)}

.case-end{
  margin-top:42px;
  padding-top:27px;
  border-top:2px dashed rgba(27,24,32,.2);
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
}

.end-link{
  border:var(--line);
  border-radius:18px;
  box-shadow:var(--shadow-sm);
  background:#fff;
  padding:15px 17px;
  font-weight:800;
}

.end-link span{
  display:block;
  font-family:"Caveat",cursive;
  color:var(--periwinkle-deep);
  font-size:1.1rem;
  font-weight:500;
}

@media(max-width:1050px){
  .research-layout{grid-template-columns:1fr}
  .research-layout > .archive-board{order:1}
  .research-layout > .scrap-column:first-child{order:2}
  .research-layout > .scrap-column:last-child{order:3}
  .scrap-column{flex-direction:row;justify-content:center;flex-wrap:wrap;padding-top:0}
  .scrap-note{max-width:160px}
  .case-grid{grid-template-columns:1fr}
  .case-aside{display:none}
}

@media(max-width:760px){
  .study-grid,.featured-study-grid{grid-template-columns:1fr}
  .metric-row{grid-template-columns:repeat(2,1fr)}
  .insight-grid{grid-template-columns:1fr}
}

@media(max-width:560px){
  .research-shell,.case-shell{width:min(100% - 22px,1180px)}
  .archive-board,.case-hero-inner{padding:18px}
  .study-preview{height:180px}
  .supporting-card{grid-template-columns:1fr}
  .supporting-art{min-height:105px}
  .metric-row{grid-template-columns:1fr}
  .research-hero p{font-size:1.45rem}
}


/* =========================================
   EMBEDDED RESEARCH DATA / ORIGINAL ARTIFACTS
========================================= */

.artifact-gallery{
  display:grid;
  gap:18px;
  margin-top:24px;
}

.research-artifact{
  margin:0;
  padding:12px;
  border:1.5px solid var(--ink);
  border-radius:18px;
  background:#fff;
  box-shadow:var(--shadow-sm);
}

.research-artifact a{
  display:block;
  overflow:hidden;
  border:1.5px solid rgba(27,24,32,.35);
  border-radius:12px;
  background:#fafafa;
}

.research-artifact img{
  display:block;
  width:100%;
  height:auto;
}

.research-artifact figcaption{
  margin-top:10px;
  font-size:.78rem;
  line-height:1.55;
  color:#4d5368;
}

.research-artifact figcaption::before{
  content:'✦ ';
  color:var(--periwinkle-deep);
}

@media(max-width:600px){
  .research-artifact{padding:8px;border-radius:14px}
  .research-artifact figcaption{font-size:.73rem}
}