/* Shared styles for adamjdurant.com: cool "upper atmosphere" look, serif display, mono section labels. */
:root{
  --sky:#f3f6f9; --paper:#ffffff; --ink:#0e1b2c; --muted:#56677c; --line:#d9e1ea;
  --accent:#1f5fa8; --accent-soft:#e3ecf7; --trail:rgba(31,95,168,.16);
  --display:"Instrument Serif","Iowan Old Style",Georgia,serif;
  --body:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --sky:#0a1320; --paper:#101c2c; --ink:#e7edf5; --muted:#97a7bb; --line:#22324a;
  --accent:#86b6f2; --accent-soft:#16263d; --trail:rgba(134,182,242,.18); color-scheme:dark}}
:root[data-theme="dark"]{
  --sky:#0a1320; --paper:#101c2c; --ink:#e7edf5; --muted:#97a7bb; --line:#22324a;
  --accent:#86b6f2; --accent-soft:#16263d; --trail:rgba(134,182,242,.18); color-scheme:dark}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--sky);color:var(--ink);font:16px/1.65 var(--body);-webkit-font-smoothing:antialiased}
.wrap{max-width:1040px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
a{color:var(--accent);text-underline-offset:3px}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

/* nav */
nav{padding-block:22px}
nav .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.mark{font:400 22px var(--display);color:var(--ink);text-decoration:none}
nav ul{display:flex;gap:22px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
nav ul a{color:var(--muted);text-decoration:none;font-size:14px;font-weight:500}
nav ul a:hover{color:var(--ink)}

/* hero */
.hero{position:relative;overflow:hidden;padding-block:40px 72px}
.trails{position:absolute;inset:0;pointer-events:none}
.trails svg{width:100%;height:100%}
.hero-grid{position:relative;display:grid;grid-template-columns:1.35fr .85fr;gap:56px;align-items:center}
.eyebrow{font:500 12px/1.7 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
h1{font:400 clamp(52px,8vw,92px)/.95 var(--display);margin:14px 0 22px;letter-spacing:-.01em}
h1 em{font-style:italic;color:var(--muted)}
.lede{font-size:19px;line-height:1.55;max-width:34ch;color:var(--ink);margin:0 0 28px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;font:600 15px var(--body);padding:12px 20px;border-radius:999px;text-decoration:none;border:1px solid var(--line);color:var(--ink);background:var(--paper);cursor:pointer}
.btn.primary{background:var(--ink);color:var(--sky);border-color:var(--ink)}
.btn:hover{border-color:var(--accent)}
.portrait{position:relative;margin:0}
.portrait img{display:block;width:100%;max-width:100%;aspect-ratio:526/579;object-fit:cover;border-radius:6px}
.portrait figcaption{font:400 12px var(--mono);color:var(--muted);margin-top:10px;letter-spacing:.04em}

/* stats */
.stats{border-block:1px solid var(--line);background:var(--paper)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding-block:28px;padding-right:20px;min-width:0}
.stat+.stat{border-left:1px solid var(--line);padding-left:24px}
.stat b{display:block;font:400 44px/1 var(--display);margin-bottom:8px;font-variant-numeric:tabular-nums}
.stat span{font-size:14px;color:var(--muted);line-height:1.45;display:block}

/* sections */
section{padding-block:80px 0}
.sec-head{display:grid;grid-template-columns:200px 1fr;gap:32px;align-items:baseline;margin-bottom:28px}
.fl{font:500 12px var(--mono);letter-spacing:.1em;color:var(--muted);text-transform:uppercase}
h2{font:400 clamp(32px,4vw,44px)/1.1 var(--display);margin:0;text-wrap:balance}
.sec-body{display:grid;grid-template-columns:200px 1fr;gap:32px}
.sec-body>*:last-child{min-width:0}
.prose{max-width:64ch}
.prose p{margin:0 0 16px}

/* timeline */
.roles{list-style:none;margin:0;padding:0;display:grid;gap:0}
.role{display:grid;grid-template-columns:150px 1fr;gap:24px;padding-block:22px;border-top:1px solid var(--line)}
.role:last-child{border-bottom:1px solid var(--line)}
.when{font:400 13px var(--mono);color:var(--muted);padding-top:3px;font-variant-numeric:tabular-nums}
.role h3{font:600 18px var(--body);margin:0 0 2px}
.role .org{color:var(--accent);font-weight:500;margin-bottom:8px;display:block}
.role p{margin:0;color:var(--muted);max-width:62ch}

/* patents */
.patents{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.patent{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:18px 20px;min-width:0}
.patent h3{font:500 16px/1.4 var(--body);margin:0 0 8px}
.patent .nums{font:400 12.5px/1.6 var(--mono);color:var(--muted)}
.patent .tag{display:inline-block;font:500 11px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--accent);background:var(--accent-soft);padding:2px 8px;border-radius:999px;margin-bottom:10px}

/* education + outside */
.two{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.list{list-style:none;margin:0;padding:0}
.list li{padding-block:10px;border-top:1px solid var(--line)}
.list li:last-child{border-bottom:1px solid var(--line)}
.list small{display:block;color:var(--muted);font:400 13px var(--mono)}

/* contact */
.contact{margin-top:96px;background:var(--ink);color:var(--sky)}
.contact .wrap{padding-block:64px;display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center}
.contact h2{color:var(--sky)}
.contact p{color:color-mix(in srgb,var(--sky) 75%,transparent);max-width:44ch}
.contact .btn{background:transparent;color:var(--sky);border-color:color-mix(in srgb,var(--sky) 35%,transparent)}
.contact .btn.primary{background:var(--sky);color:var(--ink);border-color:var(--sky)}
.email{font:400 15px var(--mono);user-select:all;word-break:break-all}
.copied{font:400 13px var(--mono);min-height:1.2em;color:color-mix(in srgb,var(--sky) 70%,transparent)}
footer{background:var(--ink);color:color-mix(in srgb,var(--sky) 55%,transparent);font:400 12px var(--mono)}
footer .wrap{padding-block:0 32px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

@media (max-width:820px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .portrait{max-width:340px}
  .stats .wrap{grid-template-columns:1fr 1fr}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
  .sec-head,.sec-body{grid-template-columns:1fr;gap:10px}
  .patents,.two,.contact .wrap{grid-template-columns:1fr}
}
@media (max-width:520px){
  .role{grid-template-columns:1fr;gap:4px}
  nav ul{gap:14px}
  .stat b{font-size:36px}
}
.photos{display:grid;grid-template-columns:2fr 2fr 1fr;gap:14px;margin:32px 0 0}
.photos figure{margin:0;min-width:0}
.photos img{display:block;width:100%;height:auto;border-radius:6px;background:var(--line)}
.photos figcaption{font:400 12px var(--mono);color:var(--muted);margin-top:8px;letter-spacing:.04em}
@media (max-width:640px){.photos{grid-template-columns:1fr}}

/* multi-page additions */
nav ul a[aria-current="page"]{color:var(--ink);text-decoration:underline;text-underline-offset:6px;text-decoration-color:var(--accent)}
.page-hero{position:relative;overflow:hidden;padding-block:32px 8px}
.page-hero h1{font-size:clamp(40px,6vw,64px);line-height:1.04;max-width:24ch;text-wrap:balance}
.page-hero .lede{max-width:56ch}
.cards{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:22px 22px 20px;display:flex;flex-direction:column;gap:10px;min-width:0}
.card .fl{color:var(--accent)}
.card h3{font:400 26px/1.15 var(--display);margin:0}
.card p{margin:0;color:var(--muted);font-size:15px}
.card a.more{margin-top:auto;font-weight:600;font-size:15px;text-decoration:none}
.card a.more:hover{text-decoration:underline}
.steps{margin:8px 0 0;padding:0;list-style:none;counter-reset:s;display:grid;gap:0}
.steps li{counter-increment:s;display:grid;grid-template-columns:44px 1fr;gap:12px;padding-block:14px;border-top:1px solid var(--line)}
.steps li:last-child{border-bottom:1px solid var(--line)}
.steps li::before{content:counter(s,decimal-leading-zero);font:500 13px var(--mono);color:var(--accent);padding-top:3px}
.steps b{display:block;font-weight:600}
.steps span{color:var(--muted)}
.prose h3{font:600 18px var(--body);margin:28px 0 8px}
.prose h3:first-child{margin-top:0}
.textlink{font-weight:600;text-decoration:none}
.textlink:hover{text-decoration:underline}
.stats-wrap{margin-top:56px}
@media (max-width:820px){.cards{grid-template-columns:1fr}}
.cards-block{padding-block:8px 0}
.cards-block h2{margin-bottom:24px}
/* single-column sections: no side labels */
.sec-head{display:block;margin-bottom:20px}
.sec-body{display:block}
.sec-body+.sec-body{margin-top:24px}
.prose{max-width:72ch}
@media (max-width:520px){section{padding-block:56px 0}.page-hero h1{font-size:38px}}
/* compact vertical rhythm */
section{padding-block:44px 0}
.hero{padding-block:24px 40px}
.page-hero{padding-block:20px 0}
h1{margin:10px 0 16px}
.lede{margin:0 0 20px}
h2{font-size:clamp(28px,3.4vw,38px)}
.sec-head{margin-bottom:12px}
.prose p{margin:0 0 10px}
.prose h3{margin:18px 0 6px}
.steps li{padding-block:10px}
.role{padding-block:14px}
.sec-body+.sec-body{margin-top:16px}
.photos{margin-top:20px}
.cards-block h2{margin-bottom:16px}
.contact{margin-top:56px}
.contact .wrap{padding-block:44px}
footer .wrap{padding-block:0 24px}
nav{padding-block:16px}
@media (max-width:520px){section{padding-block:32px 0}.hero{padding-block:16px 32px}}
/* photo gallery */
.gallery{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.gallery figure{margin:0;min-width:0}
.gallery img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:6px;background:var(--line)}
.gallery figcaption{font:400 12px var(--mono);color:var(--muted);margin-top:8px;letter-spacing:.04em}
@media (max-width:640px){.gallery{grid-template-columns:1fr}}
.single{margin:14px 0 0;max-width:72ch}
.single img{display:block;width:100%;height:auto;border-radius:6px;background:var(--line)}
.single figcaption{font:400 12px var(--mono);color:var(--muted);margin-top:8px;letter-spacing:.04em}
.hero .lede{max-width:46ch}
/* use the full content width on every page */
.prose,.page-hero .lede,.page-hero h1,.single,.role p{max-width:none}
/* photos at 70% of the content width on larger screens; full width on phones */
.single{width:70%}
@media (max-width:640px){.single{width:100%}}
.single{margin-left:auto;margin-right:auto}