/* ATLAS commercial site. Identity: SITE-AND-RESTYLE-PLAN.md section 1 (cool white, ink, one cobalt accent,
   Hanken Grotesk, a faint survey grid, numbered indexes, figures with captions, coordinates as a running footer). */
:root{
  --white:#f8fafd; --paper:#fbfcfd; --ink:#121921; --sec:#3b434d; --mute:#5c646f; --rule:#dfe1e5; --rule-2:#eceef1;
  --cobalt:#245fd4; --cobalt-deep:#144bb7;
  --grid:120px; --gut:clamp(16px,4.2vw,60px); --max:1320px;
  --ease:cubic-bezier(.22,1,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--white);color:var(--ink);font-family:'Hanken Grotesk',ui-sans-serif,system-ui,sans-serif;
  font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
::selection{background:var(--cobalt);color:#fff}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gut)}
.num{font-variant-numeric:tabular-nums}

/* ---- header ---- */
.hdr{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--white) 94%,transparent);border-bottom:1px solid transparent;transition:border-color .3s var(--ease)}
.hdr.scrolled{border-bottom-color:var(--rule)}
.hdr .wrap{display:flex;align-items:center;gap:36px;height:72px}
.mark{display:flex;align-items:center;gap:11px;font-weight:800;font-size:21px;letter-spacing:.2em;text-decoration:none;margin-right:auto;line-height:1}
.mark i{display:block;width:13px;height:26px;background:var(--ink);-webkit-mask:url(../img/mark.png) center/contain no-repeat;mask:url(../img/mark.png) center/contain no-repeat}
.nav{display:flex;gap:30px;font-size:15px;font-weight:500}
.nav a{text-decoration:none;color:var(--mute);transition:color .2s}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink)}
@media (max-width:760px){.nav{gap:18px;font-size:14px}.nav a.opt{display:none}}

/* ---- hero ---- */
.hero{position:relative;padding:56px 0 0;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--rule-2) 1px,transparent 1px),linear-gradient(90deg,var(--rule-2) 1px,transparent 1px);background-size:var(--grid) var(--grid);pointer-events:none}
.hero .wrap{position:relative;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,4vw,64px);align-items:start}
.hero h1{font-weight:300;font-size:clamp(40px,4.6vw,64px);line-height:1.03;letter-spacing:-.03em}
.hero h1 b{font-weight:700}
.lede{margin-top:28px;max-width:30em;font-size:19px;line-height:1.5;color:var(--mute)}
.idx{margin-top:40px;border-top:2px solid var(--ink);list-style:none}
.idx li{display:grid;grid-template-columns:42px 1fr auto;align-items:baseline;padding:12px 0;border-bottom:1px solid var(--rule);background:var(--white)}
.idx em{font-style:normal;font-size:13px;color:var(--mute)}
.idx b{font-weight:600;font-size:19px}
.idx small{font-size:14px;color:var(--mute)}
.idx li.more a{font-size:15px;font-weight:600;color:var(--cobalt);text-decoration:none}
.idx li.more a:hover{text-decoration:underline;text-underline-offset:3px}

.fig{position:relative}
.plate{position:relative;aspect-ratio:3/2;overflow:hidden;border:1px solid var(--ink);background:#c9b896}
.plate img{width:100%;height:100%;object-fit:cover;transform:scale(1.04);transition:transform 6s var(--ease)}
.loaded .plate img{transform:scale(1)}
.cross{position:absolute;left:50%;top:50%;width:64px;height:64px;transform:translate(-50%,-50%)}
.cross::before,.cross::after{content:"";position:absolute;background:var(--cobalt)}
.cross::before{left:50%;top:0;bottom:0;width:2px;margin-left:-1px}
.cross::after{top:50%;left:0;right:0;height:2px;margin-top:-1px}
.cross span{position:absolute;left:44px;top:-34px;white-space:nowrap;background:var(--cobalt);color:#fff;font-size:13px;font-weight:600;padding:5px 9px}
.read{position:absolute;right:12px;bottom:12px;background:color-mix(in srgb,var(--paper) 92%,transparent);padding:6px 10px;font-size:12px;color:var(--mute);letter-spacing:.03em}
.inset{position:absolute;right:-1px;bottom:-56px;width:48%;border:1px solid var(--ink);box-shadow:0 0 0 8px var(--white);background:var(--paper)}
.cap{margin-top:16px;max-width:52%;font-size:13px;line-height:1.5;color:var(--mute)}
.cap b{color:var(--ink);font-weight:700}
.ticker{position:relative;margin-top:96px;border-top:1px solid var(--rule)}
.ticker .wrap{display:flex;justify-content:space-between;gap:24px;padding-top:14px;padding-bottom:16px;font-size:12px;color:var(--mute);letter-spacing:.02em;overflow:hidden;white-space:nowrap}
.ticker b{color:var(--ink);font-weight:600;margin-right:6px}
@media (max-width:980px){
  .hero .wrap{grid-template-columns:1fr}
  .inset{position:relative;right:auto;bottom:auto;width:72%;margin:-48px 0 0 auto}
  .cap{max-width:none}
  .ticker .wrap{justify-content:flex-start;overflow-x:auto}
}

/* ---- sections ---- */
.sec{padding:clamp(80px,10vw,140px) 0;border-top:1px solid var(--rule)}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--mute)}
.eyebrow .n{color:var(--cobalt);margin-right:10px}
.sec h2{margin-top:14px;font-weight:300;font-size:clamp(32px,3.6vw,48px);line-height:1.06;letter-spacing:-.025em;max-width:18em}
.sec h2 b{font-weight:700}
.sec .intro{margin-top:18px;max-width:36em;color:var(--mute);font-size:18px}

/* platform: a sticky screen beside a list that drives it */
.plat{margin-top:56px;display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:clamp(32px,4vw,64px)}
.plat ol{list-style:none;counter-reset:p}
.plat li{counter-increment:p;padding:22px 0 26px;border-top:1px solid var(--rule);opacity:.42;transition:opacity .4s var(--ease)}
.plat li.on{opacity:1}
.plat li h3{font-size:22px;font-weight:700;letter-spacing:-.01em}
.plat li h3::before{content:"0" counter(p);display:inline-block;width:42px;font-size:13px;font-weight:500;color:var(--mute)}
.plat li p{margin:8px 0 0 42px;color:var(--sec);font-size:16px}
.plat li{min-height:min(38vh,340px)}
.plat .stage{position:sticky;top:104px;align-self:start;aspect-ratio:14/9;border:1px solid var(--ink);background:var(--paper);overflow:hidden}
.plat .stage img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:left top;opacity:0;transition:opacity .5s var(--ease)}
.plat .stage img.on{opacity:1}
@media (max-width:980px){
  .plat{grid-template-columns:1fr}
  .plat .stage{position:relative;top:auto;order:-1}
  .plat li{min-height:0;opacity:1}
}

/* editions switch */
.sw{margin-top:48px;display:flex;gap:0;border:1px solid var(--ink);width:max-content}
.sw button{font:600 15px 'Hanken Grotesk',sans-serif;padding:12px 22px;border:0;background:transparent;color:var(--ink);cursor:pointer;transition:background-color .25s var(--ease),color .25s var(--ease)}
.sw button + button{border-left:1px solid var(--ink)}
.sw button[aria-pressed="true"]{background:var(--ink);color:var(--white)}
.sw button:focus-visible{outline:2px solid var(--cobalt);outline-offset:3px}
.ed{margin-top:24px;display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:clamp(24px,3vw,48px);align-items:start}
.ed .shot{position:relative;aspect-ratio:14/9;border:1px solid var(--ink);overflow:hidden;background:var(--paper)}
.ed .shot img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:left top;opacity:0;transition:opacity .5s var(--ease)}
.ed .shot img.on{opacity:1}
.ed dl{border-top:2px solid var(--ink)}
.ed dt{margin-top:18px;font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--mute)}
.ed dd{margin-top:4px;font-size:16px;color:var(--sec)}
@media (max-width:980px){.ed{grid-template-columns:1fr}}

/* cities */
.cities{margin-top:48px;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:2px;background:var(--rule)}
.city{position:relative;background:var(--white);overflow:hidden;text-decoration:none}
.city img{aspect-ratio:1;width:100%;object-fit:cover;transition:transform .8s var(--ease),filter .8s var(--ease);filter:saturate(.9)}
.city:hover img{transform:scale(1.05);filter:saturate(1.05)}
.city div{display:flex;justify-content:space-between;align-items:baseline;gap:8px;padding:12px 14px 14px}
.city b{font-weight:700;font-size:16px}
.city small{font-size:12px;color:var(--mute)}

/* footer */
.ftr{border-top:2px solid var(--ink);padding:40px 0 56px;font-size:14px;color:var(--mute)}
.ftr .wrap{display:grid;grid-template-columns:1fr auto;gap:24px 48px;align-items:start}
.ftr .mark{font-size:18px}
.ftr .mark i{width:11px;height:22px}
.ftr nav{display:flex;flex-wrap:wrap;gap:12px 28px}
.ftr nav a{text-decoration:none}
.ftr nav a:hover{color:var(--ink)}
.ftr .mail{color:var(--ink);font-weight:600}
.ftr .credit{grid-column:1/-1;font-size:12px}
@media (max-width:760px){.ftr .wrap{grid-template-columns:1fr}}

/* reveal: only when motion is welcome, and never hides content without JS */
.js .rv{opacity:0;transform:translateY(16px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .rv{opacity:1;transform:none;transition:none}
  .plate img,.city img,.plat .stage img,.ed .shot img{transition:none}
}

/* ---- inner pages ---- */
.page-head{position:relative;padding:clamp(64px,8vw,112px) 0 clamp(40px,5vw,64px);border-bottom:1px solid var(--rule);overflow:hidden}
.page-head::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--rule-2) 1px,transparent 1px),linear-gradient(90deg,var(--rule-2) 1px,transparent 1px);background-size:var(--grid) var(--grid);pointer-events:none}
.page-head .wrap{position:relative}
.page-head h1{margin-top:14px;font-weight:300;font-size:clamp(40px,5vw,68px);line-height:1.03;letter-spacing:-.03em;max-width:15em}
.page-head h1 b{font-weight:700}
.page-head .intro{margin-top:22px;max-width:38em;color:var(--mute);font-size:19px}
.toc{margin-top:40px;list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));border-top:2px solid var(--ink)}
.toc li{border-bottom:1px solid var(--rule)}
.toc a{display:block;padding:12px 0;text-decoration:none;font-weight:600;font-size:16px}
.toc a:hover{color:var(--cobalt)}

.edn{padding:clamp(64px,8vw,112px) 0;border-bottom:1px solid var(--rule);scroll-margin-top:72px}
.edn .wrap{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,4vw,72px);align-items:center}
.edn.alt .edn-txt{order:2}
.edn-n{font-size:14px;font-weight:700;color:var(--cobalt);letter-spacing:.08em}
.edn h2{margin-top:6px;font-weight:700;font-size:clamp(30px,3vw,40px);letter-spacing:-.02em}
.edn-lede{margin-top:14px;font-size:19px;line-height:1.5;color:var(--sec)}
.edn dl{margin-top:28px;border-top:2px solid var(--ink)}
.edn dt{margin-top:16px;font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--mute)}
.edn dd{margin-top:4px;font-size:16px;color:var(--sec)}
.edn-fig img{width:100%;border:1px solid var(--ink);background:var(--paper)}
.edn-fig.plate-fig img{aspect-ratio:3/2;object-fit:cover}
.edn-fig figcaption{margin-top:12px;font-size:13px;color:var(--mute)}
@media (max-width:900px){.edn .wrap{grid-template-columns:1fr}.edn.alt .edn-txt{order:0}}

.atlas-cities{padding:clamp(48px,6vw,88px) 0}
.atlas-cities .wrap{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:clamp(24px,3vw,40px) clamp(20px,2.4vw,32px)}
.cty{scroll-margin-top:90px}
.cty img{width:100%;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--ink)}
.cty div{padding-top:14px}
.cty .num{font-size:12px;color:var(--mute);letter-spacing:.03em}
.cty h2{margin-top:4px;font-size:24px;font-weight:700;letter-spacing:-.01em}
.cty p:last-child{margin-top:4px;font-size:15px;color:var(--sec)}

.mth{padding:clamp(48px,6vw,88px) 0}
.mth-row{display:grid;grid-template-columns:120px minmax(0,1fr);gap:24px;padding:28px 0;border-top:1px solid var(--rule);max-width:900px}
.mth-n{font-size:40px;font-weight:300;color:var(--cobalt);line-height:1}
.mth h2{font-size:26px;font-weight:700;letter-spacing:-.01em}
.mth-row p:not(.mth-n){margin-top:8px;font-size:17px;color:var(--sec);max-width:40em}
.mth-fig{margin-top:56px}
.mth-fig img{width:100%;border:1px solid var(--ink)}
.mth-fig figcaption{margin-top:12px;font-size:13px;color:var(--mute)}
@media (max-width:640px){.mth-row{grid-template-columns:1fr;gap:8px}}