/* linegar.net — design tokens + site styles (from design handoff, high-fidelity) */

@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:300 700;font-display:swap;src:url('../fonts/SpaceGrotesk-Variable.woff2') format('woff2')}
@font-face{font-family:'Plus Jakarta Sans';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/PlusJakartaSans-400.woff2') format('woff2')}
@font-face{font-family:'Plus Jakarta Sans';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/PlusJakartaSans-500.woff2') format('woff2')}
@font-face{font-family:'Plus Jakarta Sans';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/PlusJakartaSans-600.woff2') format('woff2')}
@font-face{font-family:'Plus Jakarta Sans';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/PlusJakartaSans-700.woff2') format('woff2')}

:root{
  --bg:#0F172A;
  --heading:#F8FAFC;
  --body:#E2E8F0;
  --secondary:#CBD5E1;
  --muted:#64748B;
  --hairline:#1E293B;
  --control:#334155;
  --cyan:#06B6D4;
  --cyan-tint:#67E8F9;
  --blue:#3B82F6;
  --blue-tint:#93C5FD;
  --lime:#A3E635;
  --lime-tint:#BEF264;
  --card-bg:rgba(30,41,59,.5);
  --font-display:'Space Grotesk',ui-sans-serif,system-ui,sans-serif;
  --font-body:'Plus Jakarta Sans',ui-sans-serif,system-ui,sans-serif;
  --radius-btn:8px;
  --radius-card:10px;
}

html,body{margin:0;padding:0;background:var(--bg)}
body{color:var(--body);font-family:var(--font-body);min-height:100vh}
a{color:var(--blue-tint);text-decoration:none}
a:hover{color:var(--heading)}
::selection{background:rgba(6,182,212,.35)}
img{max-width:100%}
h1,h2,h3{font-family:var(--font-display)}

.container{max-width:1100px;margin:0 auto;padding:0 32px}

/* Header */
.site-header{border-bottom:1px solid var(--hairline)}
.site-header .container{padding-top:30px;padding-bottom:30px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.site-name{font-family:var(--font-display);font-size:26px;font-weight:700;letter-spacing:.04em;color:var(--heading)}
.site-tagline{margin-top:4px;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}

/* Ghost chip (header LinkedIn, project links) */
.chip{display:inline-block;font-family:var(--font-display);font-size:14px;font-weight:600;letter-spacing:.06em;border:1.5px solid var(--control);border-radius:var(--radius-btn);padding:9px 18px;color:var(--body)}
.chip:hover{border-color:var(--cyan-tint);color:var(--cyan-tint)}
.chip--sm{font-size:13px;padding:9px 16px}

/* Tab nav */
.tab-nav{position:sticky;top:0;z-index:50;background:rgba(15,23,42,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--hairline)}
.tab-nav .container{padding-top:14px;padding-bottom:14px;display:flex;gap:10px;flex-wrap:wrap}
.tab{font-family:var(--font-display);font-size:14px;font-weight:600;letter-spacing:.06em;background:rgba(15,23,42,.5);border:1.5px solid var(--control);border-radius:10px;padding:12px 18px;color:var(--body);cursor:pointer}
.tab:hover{border-color:var(--cyan-tint);color:var(--cyan-tint)}
.tab.active{border-color:var(--cyan);color:var(--cyan-tint)}

/* Main */
main.container{padding-top:56px;padding-bottom:96px}
section[hidden]{display:none}

.eyebrow{font-family:var(--font-display);font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.13em}
.eyebrow--cyan{color:var(--cyan-tint)}
.eyebrow--blue{color:var(--blue-tint)}
.eyebrow--lime{color:var(--lime-tint)}
.section-h2{margin:12px 0 6px;font-size:34px;font-weight:700;color:var(--heading)}

.card{border:1px solid var(--hairline);border-radius:var(--radius-card);background:var(--card-bg)}

/* Buttons */
.btn{display:inline-block;font-family:var(--font-display);font-size:16px;font-weight:600;border-radius:var(--radius-btn);padding:13px 26px;cursor:pointer;border:none}
.btn--primary{background:var(--blue);color:#fff;box-shadow:0 6px 22px rgba(59,130,246,.4)}
.btn--ghost{background:rgba(15,23,42,.5);border:1.5px solid var(--control);color:var(--body);padding:11.5px 24.5px}
.btn--ghost:hover{border-color:var(--cyan-tint);color:var(--cyan-tint)}

/* About */
.about-grid{display:grid;grid-template-columns:1fr 380px;gap:64px;align-items:start;margin-top:26px}
.about-copy{display:flex;flex-direction:column;gap:22px;font-size:17px;line-height:1.75}
.about-copy p{margin:0;text-wrap:pretty}
.about-lead{font-family:var(--font-display);font-size:30px;line-height:1.35;font-weight:600;color:var(--heading)}
.about-copy a.tab-link{cursor:pointer}
.portrait{width:100%;border-radius:var(--radius-card);border:1px solid var(--hairline);background:var(--card-bg);display:block;box-sizing:border-box}

/* Research */
.pub-list{margin-top:26px}
.pub-row{display:grid;grid-template-columns:72px 1fr;gap:24px;padding:20px 0;border-bottom:1px solid var(--hairline)}
.pub-year{font-family:var(--font-display);font-size:16px;font-weight:600;color:var(--blue-tint);padding-top:2px}
.pub-title{font-size:17px;font-weight:600;line-height:1.45;color:var(--heading)}
.pub-title:hover{color:var(--blue-tint)}
.pub-authors{margin-top:6px;font-size:14px;color:var(--secondary)}
.pub-venue{margin-top:2px;font-size:14px;color:var(--muted)}

/* Presentations */
.bookings-card{margin-top:26px;padding:32px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.bookings-card h2{margin:0 0 8px;font-size:24px;font-weight:700;color:var(--heading)}
.bookings-card p{margin:0;font-size:16px;line-height:1.6;color:var(--secondary);text-wrap:pretty}
.talks-h2{margin:48px 0 6px}
.talk-list{margin-top:20px}
.talk-row{display:grid;grid-template-columns:190px 1fr;gap:24px;padding:20px 0;border-bottom:1px solid var(--hairline)}
.talk-date{font-family:var(--font-display);font-size:15px;font-weight:600;color:var(--lime-tint)}
.talk-loc{margin-top:4px;font-size:13px;color:var(--muted)}
.talk-event{font-size:17px;font-weight:600;color:var(--heading)}
.talk-desc{margin-top:5px;font-size:15px;line-height:1.6;color:var(--secondary);text-wrap:pretty}

/* Projects */
.project-list{margin-top:30px;display:flex;flex-direction:column;gap:28px}
.project-card{padding:36px;display:flex;gap:40px;align-items:flex-start}
.project-main{flex:1;min-width:0}
.project-year{font-family:var(--font-display);font-size:14px;font-weight:600;letter-spacing:.1em;color:var(--cyan-tint)}
.project-title{margin:8px 0 4px;font-size:24px;font-weight:700;line-height:1.3;color:var(--heading)}
.project-role{font-size:14px;color:var(--muted);margin-bottom:16px}
.project-desc{font-size:15px;line-height:1.7;color:var(--secondary);white-space:pre-line;text-wrap:pretty}
.project-partners{margin-top:18px;font-size:14px;color:var(--secondary)}
.micro-label{font-family:var(--font-display);font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.project-partners .micro-label{margin-right:10px}
.project-awards{margin-top:14px}
.project-awards .micro-label{display:block;margin-bottom:6px}
.award-lines{display:flex;flex-direction:column;gap:4px}
.award-lines div{font-size:14px;line-height:1.55;color:var(--cyan-tint)}
.project-links{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap}
.project-media{width:330px;flex-shrink:0;display:flex;flex-direction:column;gap:14px}
.project-shot{width:100%;height:190px;object-fit:cover;border-radius:8px;border:1px solid var(--hairline);box-sizing:border-box}
.logo-strip{background:var(--heading);border-radius:8px;padding:14px 20px;display:flex;align-items:center;justify-content:center;height:64px;box-sizing:border-box}
.logo-strip img{max-height:52px;max-width:100%;object-fit:contain}

/* Press */
.press-grid{margin-top:30px;display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
.press-card{overflow:hidden;display:flex;flex-direction:column}
.press-img{width:100%;height:200px;object-fit:cover;border-bottom:1px solid var(--hairline)}
.press-body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:12px;flex:1}
.press-h{margin:0;font-size:19px;font-weight:700;line-height:1.35;color:var(--heading);text-wrap:pretty}
.press-q{margin:0;font-size:14.5px;line-height:1.65;color:var(--secondary);white-space:pre-line;text-wrap:pretty;flex:1}
.press-src{font-size:13.5px;font-weight:600;color:var(--blue-tint)}
.press-more{font-family:var(--font-display);font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--blue-tint)}
.press-more:hover{color:var(--heading)}

/* Contact */
.contact-section{max-width:620px}
.contact-intro{margin:0 0 30px;font-size:16px;line-height:1.65;color:var(--secondary)}
.contact-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.email-chip{font-family:var(--font-display);font-size:16px;font-weight:600;border:1.5px solid var(--control);border-radius:var(--radius-btn);padding:12px 20px;color:var(--lime-tint)}
.email-chip:hover{border-color:var(--lime-tint);color:var(--lime-tint)}
.contact-note{margin:22px 0 0;font-size:13px;color:var(--muted)}

/* Footer */
.site-footer{border-top:1px solid var(--hairline)}
.site-footer .container{padding-top:28px;padding-bottom:28px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.site-footer a{color:var(--muted)}
.site-footer a:hover{color:var(--blue-tint)}

/* Responsive (production addition — desktop layout is the spec) */
@media (max-width:900px){
  .about-grid{grid-template-columns:1fr;gap:40px}
  .about-grid > div:last-child{max-width:380px}
  .press-grid{grid-template-columns:1fr}
  .project-card{flex-direction:column;gap:28px}
  .project-media{width:100%;max-width:330px}
}
@media (max-width:600px){
  .container{padding-left:20px;padding-right:20px}
  .pub-row{grid-template-columns:56px 1fr;gap:16px}
  .talk-row{grid-template-columns:1fr;gap:8px}
  .section-h2{font-size:28px}
  .about-lead{font-size:26px}
}