/* Presentation refinements for the research portfolio. */
:root {
  --ink: #192c26;
  --muted: #5a6862;
  --accent: #245342;
  --line: #dde5df;
  --soft: #f4f7f4;
}
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; }
header { padding-top: 28px; padding-bottom: 28px; }
.wordmark { letter-spacing: -.4px; }
.wordmark span { font-size: 10px; letter-spacing: 1.8px; margin-top: 3px; }
nav { gap: 26px; align-items: center; }
nav a { color: var(--muted); padding: 5px 0; }
nav a:hover { color: var(--accent); text-decoration: none; }
.hero { padding-top: 82px; padding-bottom: 54px; }
.hero .eyebrow { font-size: 11px; letter-spacing: 1.5px; }
.hero h1 { font-family: Georgia, "Times New Roman", serif; font-size: clamp(44px, 6.8vw, 78px); line-height: 1.12; letter-spacing: -3px; margin: 24px 0 36px; }
.hero h1 .portfolio-subtitle { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; font-size: clamp(23px, 2.8vw, 33px); font-weight: 400; color: var(--muted); letter-spacing: -.7px; margin-top: 14px; }
.hero-bottom { border-left: 3px solid #a8c2b1; padding-left: 24px; gap: 36px; }
.hero-bottom p { font-size: 17px; line-height: 1.8; max-width: 650px; }
.button { font-size: 14px; font-weight: 600; padding: 15px 22px; border-radius: 7px; box-shadow: 0 4px 12px #234e4312; transition: background .18s ease, box-shadow .18s ease; }
.button:hover { box-shadow: 0 5px 16px #234e4326; }
.work { padding-top: 18px; }
.section-heading { margin-bottom: 26px; }
.section-heading h2 { font-size: 28px; font-weight: 600; }
.featured { grid-template-columns: 1.2fr 1fr; border-radius: 16px; border-color: #d3ddd6; box-shadow: 0 10px 36px #1c3b3409; }
.feature-intro { padding: 44px; }
.feature-intro h3 { font-size: clamp(30px, 3.4vw, 40px); letter-spacing: -1.3px; line-height: 1.18; margin-bottom: 22px; }
.feature-intro>p { line-height: 1.8; }
.feature-intro strong { color: var(--ink); font-weight: 600; }
.tags { gap: 7px; }
.tags span { font-size: 11px; color: #426354; border-color: #dce7df; background: #f7faf7; padding: 5px 10px; border-radius: 5px; }
.text-link { border-color: #a3b9aa; font-weight: 600; }
.text-link:hover { color: var(--accent); border-color: var(--accent); text-decoration: none; }
.feature-visual { background: #234b3e; color: #f7faf7; padding: 38px; }
.visual-top { color: #d0e0d6; letter-spacing: 1px; font-size: 10px; flex-wrap: wrap; }
.big-number { color: #fff; font-size: 98px; font-weight: 400; letter-spacing: -5px; margin-top: 26px; }
.big-number span { color: #d2e1d7; font-size: 14px; }
.visual-stats { gap: 30px; border-color: #ffffff28; padding: 24px 0; }
.visual-stats>div { flex: 1; min-width: 0; }
.visual-stats b { font-size: 32px; }
.visual-stats span { color: #d2e1d7; display: block; line-height: 1.55; margin-top: 5px; }
.study-scope h4 { color: #fff; font-size: 15px; }
.study-scope ul { color: #d2e1d7; font-size: 14px; line-height: 1.6; }
.study-scope li::marker { color: #a8cbb5; }
.feature-visual .source { color: #c3d7c9; font-size: 11px; }
.presentation { margin-top: 64px; }
.presentation h3 { font-size: 29px; letter-spacing: -.8px; }
.slide-viewer { border-radius: 12px; box-shadow: 0 8px 30px #1c3b340b; }
.slide-toolbar { background: #fafcf9; }
.slide-toolbar button { border-radius: 6px; }
.slide-picker select { border-radius: 6px; }
.case-study { gap: 60px; padding-top: 80px; padding-bottom: 55px; }
.case-title h3 { font-family: Georgia, "Times New Roman", serif; font-size: 32px; line-height: 1.35; letter-spacing: -.8px; }
.case-title>p { font-size: 15px; line-height: 1.8; }
.research-timeline { border-left-color: #d3e1d7; padding-left: 30px; }
.research-timeline li { grid-template-columns: 38px minmax(0, 1fr); gap: 16px; padding-bottom: 32px; }
.research-timeline li:before { left: -37px; top: 10px; background: #fff; border-color: #fff; box-shadow: 0 0 0 2px #a7c3b1; width: 10px; height: 10px; }
.timeline-number { width: 34px; height: 34px; background: #eef4ee; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 11px; letter-spacing: .5px; padding: 0; }
.research-timeline h4 { font-size: 18px; font-weight: 600; margin: 4px 0 8px; }
.research-timeline p { line-height: 1.75; }
.findings { padding: 38px 0 44px; }
.findings h3 { font-size: 28px; font-weight: 600; }
.finding-grid { gap: 26px; }
.finding-grid>div { border-top: 3px solid #9db9a8; padding: 20px 0 0; }
.finding-number { color: #667e70; font-size: 11px; letter-spacing: 1px; }
.finding-grid h4 { font-size: 21px; font-weight: 600; margin-top: 10px; }
.finding-grid p { line-height: 1.75; margin-bottom: 0; }
.recommendations { border-radius: 12px; padding: 36px; border: 1px solid #e2e9e2; }
.recommendations li { line-height: 1.75; }
.analysis-detail summary { padding: 22px 4px; }
.analysis-detail summary:hover { color: var(--accent); }
.supporting-grid { gap: 26px; margin-top: 68px; }
.project-card { border-radius: 12px; padding: 32px; box-shadow: 0 5px 22px #1c3b3406; border-top: 3px solid #668e79; }
.project-card:nth-child(2) { border-top-color: #9fae99; }
.project-card.website-project { border-top-color: #af946d; background: #fcfbf8; }
.project-card h3 { font-size: 30px; margin-top: 18px; font-weight: 600; }
.project-card>p,.project-card details p { line-height: 1.75; }
.project-card .date { font-size: 11px; letter-spacing: .2px; }
.about { grid-template-columns: .8fr 1.3fr; gap: 64px; padding-top: 65px; padding-bottom: 70px; }
.about h2 { font-family: Georgia, "Times New Roman", serif; font-size: 42px; font-weight: 400; margin-top: 0; }
.about p { line-height: 1.8; }
.about dl { background: #f7f9f6; padding: 6px 24px; border-radius: 12px; border: 1px solid #e1e8e0; }
.about dl div:first-child { border-top: 0; }
.about dt { font-weight: 600; color: var(--accent); font-size: 12px; }
.about dd { font-size: 14px; line-height: 1.7; }
.certification-list li+li { margin-top: 7px; }
.contact { padding-top: 60px; padding-bottom: 66px; }
.contact h2 { font-family: Georgia, "Times New Roman", serif; font-size: 46px; font-weight: 400; }
.contact p { max-width: 700px; }
footer { font-size: 11px; }
@media(max-width: 900px) {
  header { gap: 24px; }
  nav { gap: 18px; flex-wrap: wrap; justify-content: flex-end; }
  .hero-bottom { flex-direction: column; align-items: flex-start; gap: 24px; }
  .featured { grid-template-columns: 1fr; }
  .feature-visual { padding: 32px; }
  .feature-intro { padding: 32px; }
  .visual-stats { gap: 32px; }
  .feature-visual .big-number { font-size: 80px; }
  .case-study,.about { grid-template-columns: 1fr; gap: 26px; }
  .case-title { position: static; }
  .case-title h3 { max-width: 600px; }
  .case-title>p { max-width: 640px; }
  .finding-grid { grid-template-columns: 1fr; gap: 24px; }
  .finding-grid h4 { margin-bottom: 10px; }
}
@media(max-width: 600px) {
  header { align-items: flex-start; padding: 22px 24px; gap: 18px; }
  .wordmark { font-size: 16px; }
  .wordmark span { font-size: 9px; letter-spacing: 1px; }
  nav { gap: 4px 14px; font-size: 12px; max-width: 180px; }
  .hero { padding-top: 48px; padding-bottom: 38px; }
  .hero h1 { font-size: clamp(39px, 9.5vw, 55px); letter-spacing: -1.8px; }
  .hero .eyebrow { font-size: 10px; line-height: 1.7; }
  .hero h1 .portfolio-subtitle { font-size: 23px; letter-spacing: -.4px; }
  .hero-bottom { padding-left: 18px; }
  .hero-bottom p { font-size: 16px; line-height: 1.75; }
  .button { white-space: normal; text-align: center; }
  .feature-intro,.feature-visual { padding: 26px; }
  .feature-intro h3 { font-size: 31px; }
  .feature-visual .big-number { font-size: 76px; }
  .visual-top { gap: 8px 20px; }
  .presentation { margin-top: 46px; }
  .presentation h3 { font-size: 25px; }
  .case-study { padding-top: 54px; }
  .case-title h3 { font-size: 29px; }
  .research-timeline { padding-left: 20px; }
  .research-timeline li { grid-template-columns: 30px minmax(0, 1fr); gap: 12px; }
  .research-timeline li:before { left: -27px; }
  .timeline-number { width: 28px; height: 28px; }
  .research-timeline h4 { font-size: 17px; margin-top: 1px; }
  .research-timeline p { font-size: 14px; }
  .recommendations { padding: 26px; }
  .supporting-grid { gap: 20px; margin-top: 48px; }
  .project-card { padding: 26px; }
  .about { gap: 18px; }
  .about h2 { font-size: 36px; }
  .about dl { padding: 4px 18px; }
  .about dl div { grid-template-columns: 1fr; gap: 7px; }
  .contact h2 { font-size: 38px; }
  footer { gap: 12px 20px; }
}
@media(prefers-reduced-motion: reduce) {
  .button { transition: none; }
}

/* Alternating research timeline, read from top to bottom. */
.experience-snapshot{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}
.experience-snapshot a{display:block;text-decoration:none}
.experience-snapshot b{display:block;font-size:15px;font-weight:600;color:var(--ink);margin-bottom:7px}
.experience-snapshot span{display:block;font-size:13px;line-height:1.65;color:var(--muted)}
.experience-snapshot a:hover b{color:var(--accent);text-decoration:underline}
.hero{padding-top:56px;padding-bottom:32px}
.hero h1{font-size:clamp(40px,6vw,66px);margin:20px 0 24px}
.hero-bottom p{font-size:16px}
.featured+.findings{margin-top:36px}
.timeline-detail{margin-top:10px}
.timeline-detail summary{font-size:12px;font-weight:500;padding:3px 0;justify-content:flex-start;gap:10px;color:var(--accent)}
.timeline-detail summary:after{font-size:15px}
.timeline-detail[open]>p{margin-top:10px;padding-top:10px;border-top:1px solid var(--line)}
@media(max-width:600px){.experience-snapshot{grid-template-columns:1fr;gap:18px;margin-top:26px}.hero{padding-top:40px}.experience-snapshot b{margin-bottom:4px}}
.case-study { display: block; }
.case-title { position: static; max-width: 720px; margin-bottom: 38px; }
.case-title h3 { max-width: 650px; }
.case-title>p { max-width: 660px; }
.research-timeline { border: 0; padding: 0; margin: 0; }
.research-timeline::before { content: ""; position: absolute; top: 24px; bottom: 24px; left: 50%; width: 2px; background: #d3e1d7; transform: translateX(-50%); }
.research-timeline li { display: block; width: calc(50% - 38px); margin: 0 0 24px; padding: 24px; border: 1px solid #dce7df; border-radius: 12px; background: #f8faf7; }
.research-timeline li:nth-child(even) { margin-left: calc(50% + 38px); background: #fff; }
.research-timeline li:last-child { padding-bottom: 24px; margin-bottom: 0; }
.research-timeline li::before { content: ""; position: absolute; top: 40px; left: auto; right: -39px; width: 38px; height: 1px; border: 0; border-radius: 0; background: #b7cebf; box-shadow: none; }
.research-timeline li:nth-child(even)::before { right: auto; left: -39px; }
.research-timeline .timeline-number { position: absolute; top: 24px; right: -56px; width: 34px; height: 34px; background: #245342; color: #fff; border: 4px solid #fff; box-shadow: 0 0 0 1px #d3e1d7; font-size: 10px; }
.research-timeline li:nth-child(even) .timeline-number { right: auto; left: -56px; }
.research-timeline h4 { margin: 0 0 10px; font-size: 18px; }
.research-timeline p { font-size: 15px; line-height: 1.75; }
@media(min-width: 600px) and (max-width: 800px) {
  .research-timeline li { width: calc(50% - 26px); padding: 20px; }
  .research-timeline li:nth-child(even) { margin-left: calc(50% + 26px); }
  .research-timeline li::before { right: -27px; width: 26px; }
  .research-timeline li:nth-child(even)::before { left: -27px; }
  .research-timeline .timeline-number { right: -44px; }
  .research-timeline li:nth-child(even) .timeline-number { left: -44px; }
  .research-timeline h4 { font-size: 17px; }
  .research-timeline p { font-size: 14px; }
}
@media(max-width: 599px) {
  .case-title { margin-bottom: 30px; }
  .research-timeline::before { display: none; }
  .research-timeline li { width: calc(100% - 24px); padding: 22px; margin-bottom: 28px; }
  .research-timeline li:nth-child(even) { margin-left: 24px; }
  .research-timeline li::before { top: -29px; right: 50%; width: 1px; height: 28px; background: #b7cebf; transform: rotate(-40deg); transform-origin: bottom; }
  .research-timeline li:nth-child(even)::before { left: 50%; right: auto; transform: rotate(40deg); }
  .research-timeline li:first-child::before { display: none; }
  .research-timeline .timeline-number,
  .research-timeline li:nth-child(even) .timeline-number { position: static; margin-bottom: 14px; width: 32px; height: 32px; border: 0; box-shadow: none; }
  .research-timeline h4 { font-size: 17px; }
  .research-timeline p { font-size: 14px; }
  .research-timeline li:last-child { padding-bottom: 22px; }
}
.case-title h3{font-size:27px}
.case-title>p{font-size:14px}
.research-timeline li{padding:18px;margin-bottom:18px}
.research-timeline li:last-child{padding-bottom:18px}
.research-timeline h4{font-size:16px;margin-bottom:7px}
.research-timeline p{font-size:14px;line-height:1.65}
.research-timeline .timeline-number{top:18px}
.research-timeline li::before{top:34px}
@media(max-width:599px){.research-timeline li{padding:18px;margin-bottom:26px}.research-timeline li::before{top:-27px;height:26px}.research-timeline .timeline-number{margin-bottom:10px}.case-title h3{font-size:25px}}

.background-resume{margin-top:28px;display:flex;flex-direction:column;align-items:flex-start;gap:12px}.background-resume>p{font-size:13px;font-weight:600;color:var(--muted,#59665f);margin:0}.background-resume .button{font-size:14px}.resume-download{font-size:13px;text-underline-offset:4px}