:root{--bg:#f7f1e6;--panel:#fffdf8;--ink:#2b1a0a;--mut:#7a5c3a;--accent:#bf5700;--accent2:#a34700;--line:rgba(43,26,10,.14);--btn-ink:#fff8f0;--shadow:rgba(40,25,10,.16);--rail:#bf5700;color-scheme:light}
:root[data-theme="burnt-orange"]{--bg:#1a1206;--panel:#241a0d;--ink:#f6ece0;--mut:#c2a884;--accent:#f2681e;--accent2:#ffb15c;--line:rgba(246,236,224,.14);--btn-ink:#1a1206;--shadow:rgba(0,0,0,.5);--rail:#f2681e;color-scheme:dark}
:root[data-theme="spring96"]{--bg:#f3f6ee;--panel:#ffffff;--ink:#17231a;--mut:#5c6b5e;--accent:#1f6f3f;--accent2:#b8541c;--line:rgba(23,35,26,.15);--btn-ink:#fff;--shadow:rgba(20,30,20,.16);--rail:#1f6f3f;color-scheme:light}
:root[data-theme="wafer"]{--bg:#10151c;--panel:#171e27;--ink:#e9eef3;--mut:#9aa8b6;--accent:#7cc4ff;--accent2:#ffd166;--line:rgba(233,238,243,.14);--btn-ink:#10151c;--shadow:rgba(0,0,0,.55);--rail:#7cc4ff;color-scheme:dark}
@media (prefers-color-scheme:dark){:root:not([data-theme]){--bg:#1a1206;--panel:#241a0d;--ink:#f6ece0;--mut:#c2a884;--accent:#f2681e;--accent2:#ffb15c;--line:rgba(246,236,224,.14);--btn-ink:#1a1206;--shadow:rgba(0,0,0,.5);--rail:#f2681e;color-scheme:dark}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Newsreader,Georgia,"Times New Roman",serif;font-size:1.125rem;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg,video,iframe{max-width:100%}
img{height:auto;display:block}
a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--accent2)}
h1,h2,h3{font-family:Newsreader,Georgia,serif;font-weight:500;line-height:1.08;letter-spacing:-.012em;margin:0 0 .4em;text-wrap:balance}
h1{font-size:clamp(2.05rem,5vw,3.7rem);font-variation-settings:"opsz" 72}
h2{font-size:clamp(1.6rem,3.4vw,2.5rem)}
h3{font-size:clamp(1.25rem,2.2vw,1.55rem);font-weight:600}
p{margin:0 0 1em}
.ui,button,.btn,nav,.tp,.brand small,.meta,.cap,.crumbs,footer.site,.tl-year,.small,.arc small{font-family:"Atkinson Hyperlegible","Segoe UI",system-ui,sans-serif}
.skip{position:absolute;left:-999px;top:8px;background:var(--accent);color:var(--btn-ink);padding:8px 14px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--accent2);outline-offset:2px}
.wrap{width:min(1100px,100% - 40px);margin-inline:auto}
.narrow{max-width:720px}
.lede{font-size:clamp(1.2rem,2.1vw,1.42rem);line-height:1.45;color:var(--mut);max-width:34em}
.small{font-size:.86rem;color:var(--mut)}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--btn-ink);font-weight:700;font-size:.95rem;padding:12px 20px;border:1.5px solid var(--accent);text-decoration:none;cursor:pointer;line-height:1;border-radius:2px}
.btn:hover{color:var(--btn-ink);filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn.ghost:hover{color:var(--accent);border-color:var(--accent)}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:1.4rem}
section{padding-block:clamp(44px,7vw,96px)}
section.tight{padding-block:clamp(28px,4vw,52px)}
.sec-h{max-width:720px;margin-bottom:clamp(20px,3vw,36px)}
/* header */
header.site{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{width:min(1100px,100% - 40px);margin-inline:auto;display:flex;align-items:center;gap:14px;padding:12px 0}
.brand{display:flex;flex-direction:column;text-decoration:none;color:var(--ink);line-height:1;min-width:0}
.brand b{font-family:Newsreader,Georgia,serif;font-weight:500;font-size:1.5rem;white-space:nowrap;letter-spacing:-.01em}
.brand small{font-size:.72rem;color:var(--mut);margin-top:4px;white-space:nowrap}
.nav-d{display:none;margin-left:auto;gap:2px}
.nav-d a{color:var(--ink);text-decoration:none;font-size:.92rem;padding:8px 10px;border-bottom:2px solid transparent}
.nav-d a:hover{color:var(--accent)}
.nav-d a[aria-current]{border-bottom-color:var(--accent);color:var(--accent)}
.menu{margin-left:auto;background:transparent;border:1px solid var(--line);color:var(--ink);font-weight:700;font-size:.85rem;padding:9px 12px;cursor:pointer;border-radius:2px}
.nav{display:none;width:min(1100px,100% - 40px);margin-inline:auto;padding:4px 0 14px;flex-wrap:wrap;gap:6px}
.nav.open{display:flex}
.nav a{color:var(--ink);text-decoration:none;font-size:.95rem;padding:9px 12px;border:1px solid var(--line);background:var(--panel);border-radius:2px}
.nav a[aria-current]{border-color:var(--accent);color:var(--accent)}
@media (min-width:1000px){.nav-d{display:flex}.menu,.nav{display:none!important}}
@media (max-width:520px){.brand b{font-size:1.25rem}.brand small{display:none}}
/* hero */
.hero{padding-block:clamp(28px,5vw,72px) clamp(36px,6vw,80px)}
.hero .wrap{display:grid;gap:30px;align-items:start}
@media (min-width:820px){.hero .wrap{grid-template-columns:4fr 8fr;gap:56px;align-items:center}}
@media (max-width:819px){.hero .arc{order:2;margin-top:6px}}
.hero .kicker{font-family:"Atkinson Hyperlegible",system-ui,sans-serif;font-size:.9rem;color:var(--mut);margin:0 0 1em}
.hero h1{max-width:20ch}
.hero.sub{padding-bottom:clamp(20px,3vw,40px)}
.hero.sub .wrap{display:block}
/* the arc: three stops, one life */
.arc{list-style:none;margin:0;padding:0 0 0 22px;position:relative;border-left:2px solid var(--line)}
.arc li{position:relative;padding:6px 0 22px}
.arc li:last-child{padding-bottom:0}
.arc li::before{content:"";position:absolute;left:-29px;top:18px;width:12px;height:12px;border-radius:50%;background:var(--rail);box-shadow:0 0 0 4px var(--bg)}
.arc b{display:block;font-family:Newsreader,Georgia,serif;font-weight:500;font-size:clamp(2.4rem,6vw,3.6rem);line-height:1;letter-spacing:-.02em;color:var(--accent);font-variation-settings:"opsz" 72}
.arc small{display:block;font-size:.9rem;color:var(--mut);margin-top:4px;line-height:1.35;max-width:22ch}
.arc a{color:inherit;text-decoration:none}
.arc a:hover b{color:var(--accent2)}
/* highlight note */
.note{border:1px solid var(--line);border-left:4px solid var(--accent);background:var(--panel);padding:20px 24px;display:grid;gap:6px 22px;align-items:start}
@media (min-width:820px){.note{grid-template-columns:auto 1fr}}
.note .who{font-family:"Atkinson Hyperlegible",system-ui,sans-serif;font-size:.84rem;color:var(--mut);padding-top:6px;white-space:nowrap}
.note blockquote{margin:0;font-size:clamp(1.2rem,2vw,1.45rem);line-height:1.35;font-style:italic}
.note .src{grid-column:1/-1;font-family:"Atkinson Hyperlegible",system-ui,sans-serif;font-size:.82rem;color:var(--mut);margin:0}
/* feature (Sematech) */
.feat{display:grid;gap:26px;align-items:start}
@media (min-width:860px){.feat{grid-template-columns:7fr 5fr;gap:48px}}
.feat .side{border-top:2px solid var(--ink);padding-top:14px}
.feat .side h3{font-size:1.15rem;margin-bottom:.4em}
.feat .side p{font-size:1rem;color:var(--mut)}
.feat .side dl{margin:0;font-size:1rem}
.feat .side dt{font-family:"Atkinson Hyperlegible",system-ui,sans-serif;font-size:.8rem;color:var(--mut);margin-top:10px}
.feat .side dd{margin:0}
/* why list */
.why{display:grid;gap:28px 40px;margin:0;padding:0;list-style:none}
@media (min-width:760px){.why{grid-template-columns:1fr 1fr}}
.why li{border-top:2px solid var(--ink);padding-top:14px}
.why h3{margin-bottom:.35em}
.why p{color:var(--mut);margin:0;font-size:1.02rem}
/* timeline rail */
.tl{list-style:none;margin:0;padding:0;position:relative}
.tl::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--line)}
.tl li{position:relative;display:grid;grid-template-columns:34px 82px 1fr;gap:0 14px;padding:14px 0;align-items:start}
.tl li::before{content:"";position:absolute;left:2px;top:22px;width:12px;height:12px;border-radius:50%;background:var(--rail);box-shadow:0 0 0 4px var(--bg)}
.tl-year{grid-column:2;font-weight:700;font-size:1.05rem;color:var(--accent);padding-top:2px}
.tl-body{grid-column:3}
.tl-body h3{font-size:1.2rem;margin:0 0 .25em}
.tl-body p{margin:0;color:var(--mut);font-size:1rem}
@media (max-width:600px){.tl li{grid-template-columns:34px 1fr}.tl-year{grid-column:2}.tl-body{grid-column:2}}
/* quotes */
.quotes{display:grid;gap:22px}
@media (min-width:860px){.quotes{grid-template-columns:repeat(3,1fr)}}
.q{margin:0;border-left:3px solid var(--accent);padding:4px 0 4px 20px}
.q p{font-size:1.28rem;line-height:1.35;font-style:italic;margin:0 0 .5em}
.q footer{font-family:"Atkinson Hyperlegible",system-ui,sans-serif;font-size:.84rem;color:var(--mut)}
.split{display:grid;gap:32px;align-items:center}
@media (min-width:820px){.split{grid-template-columns:1fr 1fr}}
/* site lists */
.sites{list-style:none;margin:0;padding:0;display:grid;gap:0}
.sites li{border-top:1px solid var(--line);padding:16px 0;display:grid;gap:4px 24px}
@media (min-width:700px){.sites li{grid-template-columns:230px 1fr}}
.sites li:last-child{border-bottom:1px solid var(--line)}
.sites b{font-weight:600}
.sites b a{text-decoration:none}
.sites span{color:var(--mut);font-size:1rem}
.sites .u{font-family:"Atkinson Hyperlegible",system-ui,sans-serif;font-size:.8rem;color:var(--mut);display:block;margin-top:2px}
.cl{display:grid;gap:20px 36px}
@media (min-width:760px){.cl{grid-template-columns:1fr 1fr 1fr}}
.cl div{border-top:1px solid var(--line);padding-top:12px}
.cl h3{font-size:1.1rem;margin-bottom:.3em}
.cl p{margin:0;font-size:.98rem;color:var(--mut)}
.cl a{white-space:nowrap}
/* article */
.article{max-width:720px}
.article p{font-size:1.14rem;line-height:1.65}
.article .meta{color:var(--mut);font-size:.86rem;margin-bottom:1.4em}
.crumbs{font-size:.84rem;color:var(--mut);margin:0 0 1.2em}
.crumbs a{color:var(--mut);text-decoration:none}
.crumbs a:hover{color:var(--accent)}
.rec{display:grid;grid-template-columns:max-content 1fr;gap:10px 20px;margin:0;font-size:1.02rem}
.rec dt{color:var(--mut);font-family:"Atkinson Hyperlegible",system-ui,sans-serif;font-size:.86rem;padding-top:3px}
.rec dd{margin:0;overflow-wrap:anywhere}
/* videos */
.vids{display:grid;gap:22px}
@media (min-width:700px){.vids{grid-template-columns:1fr 1fr}}
@media (min-width:1000px){.vids{grid-template-columns:repeat(3,1fr)}}
.vid{background:var(--panel);border:1px solid var(--line)}
.vid .yt{position:relative;aspect-ratio:16/9;background:#000;cursor:pointer;display:block;border:0;padding:0;width:100%}
.vid .yt img{width:100%;height:100%;object-fit:cover;opacity:.9}
.vid .yt span{position:absolute;inset:0;display:grid;place-items:center}
.vid .yt span i{width:64px;height:44px;background:rgba(0,0,0,.72);border-radius:10px;display:grid;place-items:center}
.vid .yt span i::after{content:"";border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:4px}
.vid .yt:hover span i{background:var(--accent)}
.vid iframe{aspect-ratio:16/9;width:100%;border:0;display:block}
.vid .body{padding:14px 16px 16px}
.vid .body h3{font-size:1.12rem;margin-bottom:.25em}
.vid .body p{color:var(--mut);font-size:.94rem;margin:0}
.vid .body small{display:block;color:var(--mut);font-size:.78rem;margin-top:8px}
/* faq */
.faq details{border-top:1px solid var(--line);padding:4px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-size:1.22rem;font-weight:500;padding:12px 30px 12px 0;position:relative;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:10px;color:var(--accent);font-size:1.4rem;font-family:"Atkinson Hyperlegible",system-ui,sans-serif}
.faq details[open] summary::after{content:"\2212"}
.faq details p{color:var(--mut);padding:0 0 12px;max-width:70ch}
/* footer */
footer.site{border-top:1px solid var(--line);background:var(--panel);padding:clamp(36px,5vw,64px) 0 28px;font-size:.92rem}
footer .cols{display:grid;gap:28px}
@media (min-width:800px){footer .cols{grid-template-columns:1.4fr 1fr 1.2fr}}
footer h4{font-family:Newsreader,Georgia,serif;font-size:1.25rem;font-weight:500;margin:0 0 .5em}
footer ul{list-style:none;margin:0;padding:0;line-height:1.9}
footer a{color:var(--ink);text-decoration:none}
footer a:hover{color:var(--accent)}
footer .disc{border-top:1px solid var(--line);margin-top:30px;padding-top:22px;color:var(--mut);font-size:.84rem;line-height:1.6}
footer .disc p{margin:0 0 .6em}
footer .fans{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:baseline;margin:10px 0 16px}
footer .fans span{color:var(--mut);font-size:.84rem}
footer .fans a{border:1px solid var(--line);padding:6px 12px;border-radius:2px;color:var(--ink);background:var(--bg)}
footer .fans a:hover{border-color:var(--accent);color:var(--accent)}
footer .fans a small{color:var(--mut);margin-left:6px}
/* theme picker */
.tp{position:fixed;right:14px;bottom:14px;z-index:45}
.tp-btn{display:inline-flex;align-items:center;gap:8px;background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:30px;padding:9px 14px;font:700 .78rem/1 "Atkinson Hyperlegible",system-ui,sans-serif;cursor:pointer;box-shadow:0 8px 24px var(--shadow)}
.tp-btn i{width:14px;height:14px;border-radius:50%;background:linear-gradient(135deg,var(--accent) 50%,var(--accent2) 50%)}
.tp-panel{position:fixed;right:14px;bottom:62px;z-index:46;width:min(320px,calc(100vw - 28px));background:var(--panel);border:1px solid var(--line);border-radius:6px;box-shadow:0 20px 50px var(--shadow);display:none}
.tp-panel.open{display:block}
.tp-h{display:flex;align-items:center;justify-content:space-between;padding:10px 12px 10px 16px;border-bottom:1px solid var(--line);font:700 .8rem "Atkinson Hyperlegible",system-ui,sans-serif}
.tp-h button{background:transparent;border:0;color:var(--ink);font-size:1.3rem;cursor:pointer;line-height:1}
.tp-list{display:grid;gap:4px;padding:10px}
.tp-list button{display:flex;align-items:center;gap:10px;background:transparent;border:1px solid transparent;color:var(--ink);font:600 .92rem "Atkinson Hyperlegible",system-ui,sans-serif;padding:8px 10px;border-radius:4px;cursor:pointer;text-align:left}
.tp-list button:hover{border-color:var(--line)}
.tp-list button[aria-pressed="true"]{border-color:var(--accent)}
.tp-list .sw{width:20px;height:20px;border-radius:50%;border:1px solid var(--line);flex:none}
.tp-note{font-size:.74rem;color:var(--mut);padding:0 14px 12px;margin:0}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}