/* Data Center Towns UI. Light blueprint base with cyber accents; dark mode follows the OS. */
:root{
 --bg:#f8fafc;--bg2:#eef2f7;--card:#ffffff;--fg:#101a28;--muted:#52606f;--line:#dbe3ec;--grid:rgba(29,95,214,.035);
 --accent:#1d5fd6;--accent2:#0b7f86;--accent-soft:#e8f0fd;--glow:rgba(29,95,214,.12);
 --build:#047857;--build-bg:#dcf5ea;--mixed:#8a5200;--mixed-bg:#fdf0d2;--done:#52606f;--done-bg:#e9eef3;
 --ink-on-accent:#fff;
 --display:'Chakra Petch',system-ui,sans-serif;--body:'Source Sans 3',system-ui,sans-serif;--mono:'IBM Plex Mono',ui-monospace,monospace}
:root[data-theme="dark"]{
 --bg:#070d14;--bg2:#0b1520;--card:#0e1a26;--fg:#e6f0fa;--muted:#8aa0b6;--line:#1c3042;--grid:rgba(60,160,255,.08);
 --accent:#4da3ff;--accent2:#19e3d0;--accent-soft:#0f2540;--glow:rgba(77,163,255,.35);
 --build:#3ee6a0;--build-bg:#0b2a20;--mixed:#ffc457;--mixed-bg:#33270a;--done:#8aa0b6;--done-bg:#15222f;--ink-on-accent:#03121f;color-scheme:dark}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--fg);font:17px/1.6 var(--body);
 background-color:var(--bg);
 background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px),radial-gradient(900px 420px at 80% -80px,var(--glow),transparent 70%);
 background-size:32px 32px,32px 32px,auto;background-attachment:scroll}
a{color:var(--accent)}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:var(--card);padding:8px;z-index:9}
.in{max-width:860px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
header.site{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:color-mix(in srgb,var(--card) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;gap:10px 24px;flex-wrap:wrap;align-items:center;padding-block:12px}
.brand{display:flex;align-items:center;gap:10px;font:600 18px var(--display);letter-spacing:.02em;color:var(--fg);text-decoration:none;text-transform:uppercase}
.brand svg{width:26px;height:26px;flex:none}
nav.main{display:flex;gap:6px 20px;flex-wrap:wrap;font:500 13px var(--mono);letter-spacing:.06em;text-transform:uppercase}
nav.main a{color:var(--muted);text-decoration:none;padding-block:4px;border-bottom:1px solid transparent}
nav.main a:hover{color:var(--fg);border-color:var(--accent)}
main{padding-block:28px 56px;display:flex;flex-direction:column;gap:22px}
h1{font:700 clamp(28px,6.4vw,46px)/1.08 var(--display);letter-spacing:-.01em;margin:0;text-wrap:balance}
h2{font:600 21px/1.25 var(--display);letter-spacing:.005em;margin:0 0 10px;text-wrap:balance}
h3{font:600 17px var(--display);margin:16px 0 4px}
p{margin:0 0 12px}.lead{color:var(--muted);font-size:19px;max-width:60ch}
.crumbs{font:500 12px var(--mono);letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}.crumbs a{color:var(--muted)}
.eyebrow{font:500 12px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--accent);display:flex;align-items:center;gap:8px;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--accent),var(--accent2))}
/* panels: bracketed corners */
.panel{position:relative;background:var(--card);border:1px solid var(--line);border-radius:6px;padding:20px;min-width:0}
.panel::before,.panel::after{content:"";position:absolute;width:12px;height:12px;pointer-events:none;border:2px solid var(--accent)}
.panel::before{top:-1px;left:-1px;border-right:0;border-bottom:0;border-radius:6px 0 0 0}
.panel::after{bottom:-1px;right:-1px;border-left:0;border-top:0;border-radius:0 0 6px 0}
.panel>:last-child{margin-bottom:0}
.note{font-size:14px;color:var(--muted)}
.stamp{font:500 12px var(--mono);color:var(--muted);letter-spacing:.04em}
/* status LED pill */
.pill{font:500 12px var(--mono);letter-spacing:.04em;text-transform:uppercase;padding:4px 10px 4px 22px;border-radius:3px;white-space:nowrap;display:inline-block;position:relative;border:1px solid currentColor}
.pill::before{content:"";position:absolute;left:8px;top:50%;width:6px;height:6px;margin-top:-3px;border-radius:50%;background:currentColor}
.p-build{background:var(--build-bg);color:var(--build)}.p-mixed{background:var(--mixed-bg);color:var(--mixed)}.p-done{background:var(--done-bg);color:var(--done)}
.p-build::before{box-shadow:0 0 0 0 currentColor;animation:led 2s infinite}
@keyframes led{0%{box-shadow:0 0 0 0 color-mix(in srgb,currentColor 60%,transparent)}70%,100%{box-shadow:0 0 0 7px transparent}}
.chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{background:var(--card);border:1px solid var(--line);border-radius:3px;padding:7px 12px;font:500 13px var(--mono);color:var(--muted)}.chip b{color:var(--fg);font-weight:600}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:16px}
/* hero */
.hero{position:relative;padding:8px 0 4px}
.hero svg.trace{position:absolute;right:-10px;top:-14px;width:min(52%,360px);opacity:.55;pointer-events:none;z-index:0}
.hero>*:not(svg){position:relative;z-index:1}
.trace path{fill:none;stroke:var(--accent);stroke-width:1.4;stroke-dasharray:6 8;opacity:.55}
.trace path.b{stroke:var(--accent2)}
.trace circle{fill:var(--bg);stroke:var(--accent);stroke-width:1.6}
.trace rect{fill:var(--card);stroke:var(--accent);stroke-width:1.6}
@media (prefers-reduced-motion:no-preference){.trace path{animation:flow 5s linear infinite}@keyframes flow{to{stroke-dashoffset:-56}}}
/* tracker table */
.list{display:flex;flex-direction:column}
.row{display:grid;grid-template-columns:1fr auto;gap:6px 12px;padding:14px 0;border-top:1px dashed var(--line);align-items:center}
.row:first-child{border-top:0}
.row a.n{font:600 17px var(--display);color:var(--fg);text-decoration:none;letter-spacing:.01em}
.row a.n:hover{color:var(--accent)}
.row .s{grid-column:1/-1;color:var(--muted);font-size:15px}
.gw{grid-column:1/-1;display:flex;align-items:center;gap:10px;font:500 12px var(--mono);color:var(--muted);letter-spacing:.04em}
.gw .bar2{flex:1;max-width:260px;height:6px;background:var(--bg2);border-radius:2px;overflow:hidden;border:1px solid var(--line)}
.gw .bar2 i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));box-shadow:0 0 10px var(--glow)}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.filters button{font:500 12px var(--mono);letter-spacing:.06em;text-transform:uppercase;border:1px solid var(--line);background:transparent;color:var(--fg);padding:7px 12px;border-radius:3px;cursor:pointer}
.filters button:hover{border-color:var(--accent)}
.filters button[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--ink-on-accent)}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
dl{margin:10px 0 0;display:grid;grid-template-columns:minmax(0,max-content) 1fr;gap:8px 18px;font-size:15px}
dt{color:var(--muted);font:500 12px/1.7 var(--mono);letter-spacing:.05em;text-transform:uppercase}dd{margin:0}
@media (max-width:520px){dl{grid-template-columns:1fr;gap:2px}dd{margin-bottom:8px}}
ul.t,ol.t{padding-left:22px;margin:0 0 12px;display:flex;flex-direction:column;gap:6px}
.sub{display:flex;gap:8px;flex-wrap:wrap}
.sub a{border:1px solid var(--line);background:var(--card);border-radius:3px;padding:6px 12px;font:500 12px var(--mono);letter-spacing:.05em;text-transform:uppercase;text-decoration:none;color:var(--fg)}
.sub a:hover{border-color:var(--accent)}
.sub a[aria-current]{background:var(--accent);border-color:var(--accent);color:var(--ink-on-accent);box-shadow:0 0 14px var(--glow)}
.callout{background:var(--accent-soft);border-left:3px solid var(--accent);border-radius:0 6px 6px 0;padding:12px 16px;font-size:15px}
.src{font-size:14px;color:var(--muted);border-top:1px dashed var(--line);padding-top:14px}.src b{font:500 12px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--fg)}.src ul{padding-left:20px;margin:8px 0 0}
footer.site{border-top:1px solid var(--line);background:var(--card);padding-block:24px;font-size:14px;color:var(--muted)}
footer.site .in{display:flex;flex-direction:column;gap:8px}
.tw{overflow-x:auto}
.card-link h2 a{color:var(--fg);text-decoration:none}.card-link h2 a:hover{color:var(--accent)}

/* ===== v3: cards, grids, 3D ===== */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,330px),1fr));gap:16px;align-items:start}
.cards>.lead,.cards>.callout{grid-column:1/-1}
.sechead{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.sechead h2{margin:0}
.phead{padding-top:4px}
.ic{width:28px;height:28px;fill:none;stroke:var(--accent);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
/* big-number stat cards */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,170px),1fr));gap:12px}
.stat{position:relative;background:var(--card);border:1px solid var(--line);border-radius:6px;padding:16px 14px;overflow:hidden}
.stat::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent2))}
.stat b{display:block;font:700 clamp(22px,5vw,30px)/1.1 var(--display);letter-spacing:-.01em;color:var(--fg);word-break:break-word}
.stat span{display:block;margin-top:6px;font:500 12px/1.4 var(--mono);letter-spacing:.03em;color:var(--muted);text-transform:uppercase}
/* icon tiles */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:14px}
.tile{display:flex;flex-direction:column;gap:6px;padding:18px;border:1px solid var(--line);border-radius:6px;background:var(--card);text-decoration:none;color:var(--fg);position:relative}
.tile b{font:600 17px var(--display);margin-top:6px}.tile span{font-size:14px;color:var(--muted)}
.tile:hover{border-color:var(--accent);box-shadow:0 10px 30px -12px var(--glow)}
.tile .ic{width:34px;height:34px}
/* project cards */
.pgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:16px}
.pgrid .pcard[hidden]{display:none}
.pcard{display:flex;flex-direction:column;gap:8px;padding:18px;border:1px solid var(--line);border-radius:6px;background:var(--card);text-decoration:none;color:var(--fg);position:relative;overflow:hidden}
.pcard::before{content:"";position:absolute;inset:0;background:radial-gradient(260px 160px at var(--mx,80%) var(--my,0%),var(--glow),transparent 70%);opacity:0;transition:opacity .25s;pointer-events:none}
.pcard:hover::before{opacity:1}.pcard:hover{border-color:var(--accent)}
.pcard .top{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
.pcard .tn{font:600 17px/1.25 var(--display)}
.pcard .big{font:700 46px/1 var(--display);letter-spacing:-.02em;margin-top:6px}.pcard .big small{font-size:18px;color:var(--muted);font-weight:500}.pcard .big.dim{color:var(--muted)}
.pcard .bar2{height:6px;border:1px solid var(--line);background:var(--bg2);border-radius:2px;overflow:hidden}
.pcard .bar2 i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));box-shadow:0 0 10px var(--glow)}
.pcard .cap{font:500 11px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.pcard .one{font-size:15px;color:var(--muted);margin:2px 0 0}
.pcard .go{margin-top:auto;font:500 12px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}
/* hero */
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;align-items:center}
@media (max-width:760px){.hero{grid-template-columns:1fr}}
.hcopy .chips{margin-top:18px}
/* 3D data hall */
.scene{height:300px;perspective:1100px;perspective-origin:50% 30%;display:flex;align-items:center;justify-content:center;overflow:hidden}
.stage{position:relative;width:280px;height:340px;transform-style:preserve-3d;transform:rotateX(58deg) rotateZ(var(--rz,-38deg)) scale(.82);transition:transform .15s linear}
.floor{position:absolute;left:-60px;top:-60px;width:400px;height:460px;background:
 linear-gradient(var(--line) 1px,transparent 1px) 0 0/40px 40px,linear-gradient(90deg,var(--line) 1px,transparent 1px) 0 0/40px 40px,
 radial-gradient(circle at 50% 50%,var(--glow),transparent 70%);border:1px solid var(--line);transform:translateZ(0)}
.blk{position:absolute;left:var(--x);top:var(--y);width:var(--w);height:var(--d);transform-style:preserve-3d;transform:translateZ(0)}
.blk .f{position:absolute;display:block;background:var(--card);border:1px solid var(--accent)}
.blk .fu{width:var(--w);height:var(--d);left:0;top:0;transform:translateZ(var(--h));background:linear-gradient(135deg,var(--accent-soft),var(--card))}
.blk .ft{width:var(--w);height:var(--h);left:0;top:var(--d);transform-origin:top;transform:rotateX(90deg);background:linear-gradient(var(--card),var(--accent-soft))}
.blk .fb{width:var(--w);height:var(--h);left:0;top:0;transform-origin:top;transform:rotateX(90deg);background:linear-gradient(var(--card),var(--bg2))}
.blk .fl{width:var(--h);height:var(--d);left:0;top:0;transform-origin:left;transform:rotateY(-90deg);background:linear-gradient(90deg,var(--bg2),var(--card))}
.blk .fr{width:var(--h);height:var(--d);left:var(--w);top:0;transform-origin:left;transform:rotateY(-90deg);background:linear-gradient(90deg,var(--accent-soft),var(--bg2))}
.blk .fk{display:none}
.blk.mid .fu{background:linear-gradient(135deg,var(--accent2),var(--accent-soft));border-color:var(--accent2)}
.blk.hot .fu{background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 0 30px var(--glow);border-color:var(--accent)}
.blk.hot .ft,.blk.hot .fr{border-color:var(--accent);box-shadow:0 0 22px var(--glow)}
@media (prefers-reduced-motion:no-preference){.blk{animation:rise 1.1s cubic-bezier(.2,.8,.2,1) backwards}.blk:nth-child(2){animation-delay:.05s}.blk:nth-child(3){animation-delay:.1s}.blk:nth-child(4){animation-delay:.15s}.blk:nth-child(5){animation-delay:.2s}.blk:nth-child(6){animation-delay:.25s}.blk:nth-child(7){animation-delay:.3s}.blk:nth-child(8){animation-delay:.35s}.blk:nth-child(9){animation-delay:.4s}
@keyframes rise{from{transform:translateZ(-80px)}to{transform:translateZ(0)}}}
/* tilt */
.tilt{transform-style:preserve-3d;transition:transform .18s ease-out,box-shadow .2s,border-color .2s;will-change:transform}
.tilt.on{transform:perspective(900px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)) translateZ(0);box-shadow:0 18px 40px -18px var(--glow)}
.seen{animation:lift .7s cubic-bezier(.2,.8,.2,1) both}
@keyframes lift{from{transform:perspective(900px) translateY(18px) rotateX(10deg)}to{transform:none}}
@media (prefers-reduced-motion:reduce){.seen{animation:none}.tilt.on{transform:none}}

/* ===== v4: national directory ===== */
.usmap{display:grid;grid-template-columns:repeat(11,minmax(0,1fr));grid-auto-rows:minmax(0,1fr);gap:5px;max-width:720px;margin:10px auto 6px}
.st{aspect-ratio:1/1;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:5px;font:600 clamp(9px,2.1vw,13px) var(--mono);text-decoration:none;position:relative;min-width:0}
.st b{font-weight:600}.st i{font:700 clamp(8px,1.8vw,11px) var(--mono);font-style:normal;opacity:.85}
.st.none{background:transparent;border:1px dashed var(--line);color:var(--muted);opacity:.7}
.st.l1{background:var(--accent-soft);color:var(--fg);border:1px solid var(--accent)}
.st.l2{background:color-mix(in srgb,var(--accent) 35%,var(--card));color:var(--fg);border:1px solid var(--accent)}
.st.l3{background:color-mix(in srgb,var(--accent) 65%,var(--card));color:var(--ink-on-accent);border:1px solid var(--accent)}
.st.l4{background:linear-gradient(135deg,var(--accent),var(--accent2));color:var(--ink-on-accent);border:1px solid var(--accent);box-shadow:0 0 14px var(--glow)}
.st:hover{z-index:2;box-shadow:0 8px 20px -6px var(--glow)}
a.more{font:500 12px var(--mono);letter-spacing:.06em;text-transform:uppercase;text-decoration:none}
.filterbar{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.sel{font:500 12px var(--mono);letter-spacing:.05em;text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:8px}
.sel select{font:500 14px var(--body);padding:6px 8px;border:1px solid var(--line);border-radius:3px;background:var(--card);color:var(--fg);text-transform:none;letter-spacing:0}
.timeline{display:flex;flex-direction:column;gap:0;border-left:2px solid var(--line);margin-left:6px}
.ev{position:relative;padding:0 0 16px 18px}
.ev::before{content:"";position:absolute;left:-7px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--card);border:2px solid var(--accent)}
.ev.proj::before{border-style:dashed;border-color:var(--accent2)}
.ev .d{font:500 12px var(--mono);letter-spacing:.05em;color:var(--accent);text-transform:uppercase}
.ev.proj .d{color:var(--accent2)}
.ev p{margin:4px 0 2px;font-size:15px}.ev .m{font:500 12px var(--mono);color:var(--muted)}
.src li,dd,.ev p,.tn,.one{overflow-wrap:anywhere}
.src a{overflow-wrap:anywhere}
body{overflow-x:clip}
:root[data-theme="paper"]{--bg:#fbf8f3;--bg2:#f3ede4;--card:#ffffff;--fg:#241a14;--muted:#6a5a4e;--line:#e6ddd0;--grid:rgba(184,64,15,.03);--accent:#b8400f;--accent2:#0f766e;--accent-soft:#fbe9de;--glow:rgba(184,64,15,.10);--build:#0f6b3d;--build-bg:#e0f3e6;--mixed:#8a5200;--mixed-bg:#fbeccc;--done:#6a5a4e;--done-bg:#f0ebe3;--ink-on-accent:#fff}
:root[data-theme="mint"]{--bg:#f3faf6;--bg2:#e6f3eb;--card:#ffffff;--fg:#10241b;--muted:#4d6558;--line:#d3e6da;--grid:rgba(11,122,85,.035);--accent:#0b7a55;--accent2:#2563eb;--accent-soft:#dff4ea;--glow:rgba(11,122,85,.11);--build:#0b7a55;--build-bg:#d9f3e6;--mixed:#8a5200;--mixed-bg:#fdf0d2;--done:#4d6558;--done-bg:#e4efe8;--ink-on-accent:#fff}
:root[data-theme="ice"]{--bg:#f1f8fd;--bg2:#e3f0f9;--card:#ffffff;--fg:#0c2233;--muted:#4a6173;--line:#d3e4f0;--grid:rgba(3,105,161,.035);--accent:#0369a1;--accent2:#6d28d9;--accent-soft:#def0fb;--glow:rgba(3,105,161,.11);--build:#047857;--build-bg:#dcf5ea;--mixed:#8a5200;--mixed-bg:#fdf0d2;--done:#4a6173;--done-bg:#e3edf4;--ink-on-accent:#fff}
:root[data-theme="contrast"]{--bg:#ffffff;--bg2:#f2f4f7;--card:#ffffff;--fg:#000000;--muted:#3d4652;--line:#aab3be;--grid:rgba(0,0,0,0);--accent:#0036b3;--accent2:#006a6a;--accent-soft:#e6ecfb;--glow:rgba(0,54,179,.08);--build:#005c3a;--build-bg:#d6f2e4;--mixed:#6e4000;--mixed-bg:#fbe8bd;--done:#3d4652;--done-bg:#e7ebef;--ink-on-accent:#fff}

/* theme switcher */
.themes{display:flex;gap:8px;align-items:center;margin-left:auto}
.themes span{font:500 11px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.themes button{width:22px;height:22px;border-radius:50%;border:2px solid var(--card);background:var(--sw);box-shadow:0 0 0 1px var(--line);cursor:pointer;padding:0}
.themes button[aria-pressed="true"]{box-shadow:0 0 0 2px var(--fg)}
.themes button:focus-visible{outline:2px solid var(--fg);outline-offset:2px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
/* directory search + sort */
.searchbox{flex:1 1 220px;min-width:0}
.searchbox input,.sel select{font:500 15px var(--body);padding:9px 12px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--fg);width:100%}
.dl-links{font:500 13px var(--mono);letter-spacing:.04em}
.tbl{width:100%;border-collapse:collapse;font-size:15px}.tbl th,.tbl td{text-align:left;padding:9px 8px;border-top:1px solid var(--line)}.tbl th{font:500 12px var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted);border-top:0}.tbl td.n,.tbl th.n{text-align:right;font-variant-numeric:tabular-nums}
@media (max-width:520px){.themes span{display:none}}

/* ===== Semiconductor Cities theme layer for the /data-centers/ section (2026-11-07) =====
   Appended after the Data Center Towns CSS. Brings SC's colors, type, radius and chrome; keeps DCT's motion
   (3D block scene, tilt, reveal, LED pulse, trace flow). */
:root,:root[data-theme]{
 --bg:#ffffff;--bg2:#f5f5f7;--card:#ffffff;--fg:#1d1d1f;--muted:#6e6e73;--line:#d2d2d7;--grid:transparent;
 --accent:#0071e3;--accent2:#2997ff;--accent-soft:#eaf3fe;--glow:rgba(0,113,227,.14);
 --build:#0a7a3f;--build-bg:#e7f6ec;--mixed:#9a5a00;--mixed-bg:#fdf3e1;--done:#6e6e73;--done-bg:#f5f5f7;--ink-on-accent:#fff;
 --sf:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Helvetica Neue",Helvetica,Arial,sans-serif;
 --display:var(--sf);--body:var(--sf);--mono:var(--sf);color-scheme:light}
body{background:#fff;background-image:none;font:17px/1.47 var(--sf);letter-spacing:-.01em;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--accent)}
.in{max-width:1080px}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}
/* SC header bar + Apple-style section sub-nav */
.scbar{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:rgba(255,255,255,.8);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(0,0,0,.08)}
.scbar .row1{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:52px}
.scbar .logo{font-weight:600;font-size:17px;text-decoration:none;letter-spacing:-.02em;color:#1d1d1f;display:inline-flex;align-items:center;gap:8px}
.scbar .logo img{width:22px;height:22px}
.scbar .nav{display:flex;gap:2px;flex-wrap:wrap;justify-content:flex-end}
.scbar .nav a{font-size:13px;text-decoration:none;color:var(--muted);padding:8px 10px;min-height:40px;display:inline-flex;align-items:center;transition:color .2s}
.scbar .nav a:hover,.scbar .nav a[aria-current]{color:var(--fg)}
.secbar{border-top:1px solid rgba(0,0,0,.06)}
.secbar .row2{display:flex;align-items:center;justify-content:space-between;gap:8px 20px;flex-wrap:wrap;min-height:46px}
.secbar .sname{font-weight:600;font-size:19px;letter-spacing:-.02em;color:var(--fg);text-decoration:none}
.secbar nav{display:flex;gap:2px 4px;flex-wrap:wrap}
.secbar nav a{font-size:12px;color:var(--fg);text-decoration:none;padding:8px 8px;min-height:36px;display:inline-flex;align-items:center;opacity:.85}
.secbar nav a:hover{opacity:1;color:var(--accent)}
@media (max-width:640px){.scbar .nav a{padding:8px 6px}.secbar nav{width:100%;overflow-x:auto;flex-wrap:nowrap;margin-inline:-8px}.secbar nav a{white-space:nowrap}}
/* type */
h1{font:600 clamp(36px,6vw,64px)/1.07 var(--sf);letter-spacing:-.03em}
h2{font:600 clamp(22px,2.8vw,30px)/1.12 var(--sf);letter-spacing:-.025em}
h3{font:600 19px/1.2 var(--sf);letter-spacing:-.02em}
.lead{color:var(--muted);font-size:clamp(18px,2.1vw,23px);line-height:1.3;letter-spacing:-.015em}
.crumbs,.eyebrow,.stamp,nav.main,.chip,.pill,.filters button,.sub a,a.more,.pcard .go,.stat span,.st,.gw{font-family:var(--sf);text-transform:none;letter-spacing:-.005em}
.crumbs{font-size:14px}.crumbs a{color:var(--accent);text-decoration:none}
.eyebrow{font-size:14px;font-weight:600;color:var(--accent)}
.eyebrow::before{display:none}
.stamp{font-size:13px}
main{padding-block:40px 56px;gap:28px}
/* surfaces: SC soft grey tiles, big radius, no brackets or borders */
.panel,.stat,.tile,.pcard{background:var(--bg2);border:0;border-radius:24px}
.panel{padding:26px}
.panel::before,.panel::after{display:none}
.stat{border-radius:18px;padding:16px}
.stat::after{display:none}
.stat b{font:600 clamp(22px,2.6vw,30px)/1.1 var(--sf);letter-spacing:-.03em}
.stat span{font-size:13px;color:var(--muted)}
.tile,.pcard{transition:background .25s,transform .25s}
.tile:hover,.pcard:hover{background:var(--tint,#eaf3fe)}
.tile b,.row a.n,.pcard .tn{font-family:var(--sf);letter-spacing:-.02em}
.pcard .big{font:600 44px/1 var(--sf);letter-spacing:-.03em}
.pcard .go,a.more{font-size:14px;font-weight:500;color:var(--accent)}
.chip{background:var(--bg2);border:0;border-radius:980px;padding:7px 14px;font-size:14px}
.pill{border:0;border-radius:980px;font-size:12px;font-weight:600}
.sub a,.filters button{border:0;background:var(--bg2);border-radius:999px;padding:9px 16px;font-size:14px;color:var(--fg)}
.sub a:hover,.filters button:hover{background:#eaf3fe}
.sub a[aria-current],.filters button[aria-pressed="true"]{background:var(--accent);color:#fff}
.callout{background:#eaf3fe;border:0;border-radius:18px;padding:16px 20px}
.src{border-top:1px solid var(--line)}
.searchbox input,.sel select{border-radius:12px;font-family:var(--sf)}
.row{border-top:1px solid var(--line)}
.st{border-radius:10px}
.st.none{border:1px dashed var(--line)}
.blk .f{border-color:color-mix(in srgb,var(--accent) 55%,transparent)}
/* footer like SC */
footer.site{background:#fff;border-top:1px solid var(--line);color:var(--muted);font-size:12px;line-height:1.5;padding-block:28px 48px;margin-top:24px}
footer.site .in{flex-direction:row;flex-wrap:wrap;justify-content:space-between;gap:16px 24px}
footer.site .in>div{max-width:52ch}
footer.site a{color:var(--muted)}
footer.site a:hover{color:var(--fg)}
/* page heads centered like SC's .ph (home hero stays as is) */
main>.crumbs,.phead,main>.crumbs+div,main>h1:first-child,main>.crumbs+div+.lead{text-align:center;margin-inline:auto}
main>.crumbs{margin-top:32px}
.phead{max-width:820px}
.phead .eyebrow{justify-content:center}
.phead .lead,main>.crumbs+div+.lead{margin-inline:auto;max-width:36em}
.phead h1,main>.crumbs+div h1,main>h1:first-child{max-width:18ch;margin-inline:auto}
main>nav.sub{justify-content:center}
@media (max-width:640px){.scbar .row1{flex-wrap:wrap;gap:0;padding-top:6px}.scbar .logo{width:100%;min-height:40px}.scbar .nav{justify-content:flex-start;margin-left:-10px}}