/* justsuperhuman.com. One ink on one paper, and a lot of room. The type
   borrows the logo's habit: light for most words, semibold for the ones that
   matter. Light and dark follow the system.

   Motion is layered on by public/home/home.js, which adds .motion to <html>
   unless the visitor asked for less of it. Without .motion every scene is
   plain stacked content. */

@font-face{font-family:"Geist";src:url("/superhuman/fonts/Geist-Variable.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:"Geist Mono";src:url("/superhuman/fonts/GeistMono-Variable.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}

:root{
  --bg:#faf9f6;--ink:#141414;--ink-2:#45443f;--muted:#7b7973;--faint:#a9a7a0;
  --line:rgba(20,20,20,.1);--line-2:rgba(20,20,20,.22);--bad:#b3261e;
  --font:"Geist",ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"Geist Mono",ui-monospace,"SF Mono",Consolas,monospace;
  --ease:cubic-bezier(.2,.7,.2,1);
  --wrap:1240px;--pad:clamp(22px,5vw,64px);--gap:clamp(96px,17vw,240px);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0b0b0c;--ink:#f2f1ed;--ink-2:#c5c3bd;--muted:#8b8983;--faint:#5c5b57;
  --line:rgba(242,241,237,.11);--line-2:rgba(242,241,237,.26);--bad:#ff8a7f;
  color-scheme:dark}}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.6 var(--font);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}
a{color:inherit}
h1,h2,h3,p,ol{margin:0}
b{font-weight:600}
::selection{background:var(--ink);color:var(--bg)}
:focus-visible{outline:1.5px solid var(--ink);outline-offset:4px;border-radius:4px}
.skip{position:absolute;left:-999px;top:12px;background:var(--ink);color:var(--bg);padding:8px 14px;border-radius:8px;z-index:10}
.skip:focus{left:12px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}

/* the logo: drawn in the text colour, so it follows light and dark */
.wordmark{display:block;height:13px;width:auto;overflow:visible}
.brand{display:inline-flex;padding:10px 0;text-decoration:none}

/* The display logo is one outline per letter, so it can move. The crossbar the
   A gave up is only ever shown in the opening. */
.wordmark .bar{display:none}
.l,.bar{transform-box:fill-box;transform-origin:left center}

/* opening (homepage): the page waits behind a blank sheet, the logo assembles
   on it, the A drops its crossbar, and the logo flies up to its place in the header */
.opening body::before{content:"";position:fixed;inset:0;z-index:30;background:var(--bg)}
.opening .word,.opening .cue{animation-play-state:paused!important}
.opening .hero .reveal{opacity:0!important;transform:translateY(16px)!important}
.curtain{position:fixed;inset:0;z-index:31;display:grid;place-items:center;pointer-events:none}
.curtain i{position:absolute;inset:0;background:var(--bg)}
.curtain .wordmark{position:relative;width:min(80vw,1120px);height:auto;transform-origin:top left;will-change:transform}
.curtain .bar{display:block}
.curtain-on .brand .wordmark{visibility:hidden}

/* header */
.top{position:sticky;top:0;z-index:5;border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
.top.scrolled{border-bottom-color:var(--line);background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.top-in{display:flex;align-items:center;justify-content:space-between;height:76px}
.nav{display:flex;gap:clamp(18px,3vw,34px)}
.nav a{font-size:14.5px;color:var(--ink-2);text-decoration:none;transition:color .2s}
.nav a:hover{color:var(--ink)}

/* the one action */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;height:54px;padding:0 26px 0 28px;border:0;border-radius:999px;background:var(--ink);color:var(--bg);font:500 15.5px/1 var(--font);letter-spacing:-.01em;text-decoration:none;cursor:pointer;transition:transform .2s var(--ease),opacity .2s}
.btn:active{transform:scale(.98)}
.arrow{width:17px;height:17px;flex:none;transition:transform .3s var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}

/* hero */
.hero{display:flex;align-items:center;min-height:calc(100svh - 76px);padding:clamp(48px,8vw,96px) 0 clamp(96px,14vw,180px)}
.hero{position:relative}
.hero .wrap{width:100%}
.hero-short{min-height:min(calc(100svh - 76px),860px)}
.hero-short h1{font-size:clamp(46px,8.6vw,132px)}
/* THE FRONTIER: set like the logo, thin then heavy, in capitals. On scroll the
   heavy word pulls away to the right (see [data-drift] in home.js). */
.hero{overflow-x:clip}
.hero h1.frontier{font-size:min(170px,calc((100vw - 2 * var(--pad)) / 6.6));font-weight:200;letter-spacing:-.035em;line-height:.9;text-transform:uppercase;white-space:nowrap;text-wrap:nowrap}
.frontier b{display:inline-block;font-weight:600;letter-spacing:-.045em;will-change:transform}
@media (max-width:720px){
  .hero h1.frontier{font-size:calc((100vw - 2 * var(--pad)) / 4.9);white-space:normal}
  .frontier .word{display:block}
}
.hero .label{margin-bottom:clamp(20px,2.6vw,34px)}
.hero h1{font-size:clamp(50px,10.4vw,164px);font-weight:250;letter-spacing:-.055em;line-height:.94;text-wrap:balance}
.hero h1 b{font-weight:600}
.lede{margin-top:clamp(28px,4vw,52px);max-width:31em;font-size:clamp(17px,1.5vw,21px);line-height:1.55;color:var(--ink-2);text-wrap:pretty}
.cta{margin-top:clamp(32px,4vw,52px);display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.aside{font-size:15px;color:var(--muted)}

/* sections: a small label, then the thing */
.section{padding-bottom:var(--gap)}
.label{font:500 12px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:clamp(28px,4vw,52px)}

.index{list-style:none;padding:0;border-top:1px solid var(--line)}
.index li{display:grid;grid-template-columns:clamp(44px,7vw,104px) minmax(0,1.15fr) minmax(0,.85fr);align-items:baseline;column-gap:clamp(16px,3vw,48px);padding:clamp(22px,2.9vw,40px) 0;border-bottom:1px solid var(--line)}
.index .n{font:400 12px/1 var(--mono);letter-spacing:.08em;color:var(--faint)}
.index h3{font-size:clamp(28px,4.6vw,64px);font-weight:250;letter-spacing:-.045em;line-height:1.02;transition:font-weight .45s var(--ease)}
.index p{font-size:16px;line-height:1.5;color:var(--muted);max-width:26em;transition:color .45s var(--ease)}
@media (hover:hover){
  .index li:hover h3{font-weight:600}
  .index li:hover p{color:var(--ink)}
}

.say{font-size:clamp(28px,4.6vw,64px);font-weight:250;letter-spacing:-.045em;line-height:1.1;max-width:19em;text-wrap:pretty}

.figure{display:flex;align-items:baseline;flex-wrap:wrap;gap:0 clamp(14px,2vw,30px);font-size:clamp(20px,2.3vw,32px);font-weight:300;letter-spacing:-.03em;color:var(--muted)}
.figure b{font-size:clamp(104px,23vw,360px);font-weight:600;letter-spacing:-.07em;line-height:.8;color:var(--ink);margin-left:-.05em}
.note{margin-top:clamp(24px,3vw,40px);max-width:32em;font-size:16.5px;color:var(--muted);text-wrap:pretty}
.note a{color:var(--ink);text-underline-offset:4px;text-decoration-thickness:1px;text-decoration-color:var(--line-2)}
.note a:hover{text-decoration-color:var(--ink)}

/* intro form: ruled lines, no boxes */
.intro-in{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(40px,7vw,120px);align-items:start}
.intro-copy{position:sticky;top:132px}
.intro-copy .say{font-size:clamp(28px,3.9vw,54px)}
form{display:grid;gap:34px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:34px 28px}
.field{display:flex;flex-direction:column;gap:2px;margin:0;border:0;padding:0;min-width:0}
.field>span,.field legend{font-size:13.5px;color:var(--muted);padding:0}
.field i{font-style:normal;color:var(--faint);margin-left:4px}
input,textarea{width:100%;font:400 18px/1.4 var(--font);letter-spacing:-.01em;color:var(--ink);background:transparent;border:0;border-bottom:1px solid var(--line-2);border-radius:0;padding:8px 0 12px;transition:border-color .2s,box-shadow .2s;appearance:none;-webkit-appearance:none}
textarea{resize:vertical;min-height:88px}
input:hover,textarea:hover{border-bottom-color:var(--muted)}
input:focus,textarea:focus{outline:0;border-bottom-color:var(--ink);box-shadow:0 1px 0 var(--ink)}
input:-webkit-autofill{-webkit-text-fill-color:var(--ink);box-shadow:0 0 0 100px var(--bg) inset;caret-color:var(--ink)}
.field.invalid input{border-bottom-color:var(--bad)}
.err{font-style:normal;font-size:13px;color:var(--bad);margin-top:8px}
.err:empty{display:none}
.chips legend{margin-bottom:14px}
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{position:relative;cursor:pointer}
.chip input{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.chip span{display:inline-flex;align-items:center;height:40px;padding:0 17px;border-radius:999px;border:1px solid var(--line-2);font-size:14.5px;color:var(--ink-2);transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);user-select:none}
.chip:hover span{border-color:var(--muted)}
.chip input:checked+span{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.chip input:focus-visible+span{outline:1.5px solid var(--ink);outline-offset:3px}
.form-error{color:var(--bad);font-size:14.5px}
button.btn{justify-self:start;margin-top:6px}
.spinner{display:none;width:16px;height:16px;border:1.5px solid color-mix(in srgb,var(--bg) 35%,transparent);border-top-color:var(--bg);border-radius:50%;animation:spin .8s linear infinite}
.sending .spinner{display:inline-block}
.sending .btn .arrow{display:none}
.sending button.btn{opacity:.8;cursor:progress}
@keyframes spin{to{transform:rotate(360deg)}}
.done{outline:0}
.done-ico{display:inline-grid;place-items:center;width:52px;height:52px;border-radius:50%;border:1px solid var(--line-2);margin-bottom:26px}
.done h3{font-size:clamp(26px,3vw,38px);font-weight:250;letter-spacing:-.04em;line-height:1.1;margin-bottom:14px}
.done p{color:var(--muted);max-width:26em;margin-bottom:30px}

/* footer: the logo at full width */
.foot{padding-bottom:40px}
.foot-mark{display:block;color:var(--ink)}
.foot-mark .wordmark{width:100%;height:auto}
.foot-in{display:flex;align-items:center;justify-content:space-between;gap:16px 32px;flex-wrap:wrap;margin-top:clamp(28px,4vw,48px);font-size:14px;color:var(--muted)}
.foot nav{display:flex;gap:28px;flex-wrap:wrap}
.foot nav a{text-decoration:none;color:var(--ink-2);transition:color .2s}
.foot nav a:hover{color:var(--ink)}

/* industries: the same ruled list, each row a link */
.index-links li{display:block;padding:0}
.index-links a{display:grid;grid-template-columns:clamp(44px,7vw,104px) minmax(0,1.15fr) minmax(0,.85fr) auto;align-items:baseline;column-gap:clamp(16px,3vw,48px);padding:clamp(22px,2.9vw,40px) 0;text-decoration:none}
.index-links .arrow{width:clamp(18px,2vw,28px);height:clamp(18px,2vw,28px);align-self:center;color:var(--faint);transition:transform .45s var(--ease),color .45s var(--ease)}
@media (hover:hover){.index-links a:hover .arrow{transform:translateX(8px);color:var(--ink)}}
.section .cta{margin-top:clamp(32px,4vw,52px)}
.index+.note{margin-top:clamp(28px,3.4vw,44px)}

/* the speed field: thin streaks behind the page, fast at the top, still by the time we introduce ourselves */
.speed{position:fixed;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none;display:none}
.motion .speed{display:block}

/* the numbers. Stacked by default; pinned and scrubbed under .motion */
.stats{padding-bottom:var(--gap)}
.stat{padding:clamp(36px,6vw,72px) 0;border-top:1px solid var(--line)}
.stat-n{font:400 12px/1 var(--mono);letter-spacing:.08em;color:var(--faint);margin-bottom:clamp(14px,2vw,26px)}
.num{display:flex;align-items:baseline;font-size:clamp(92px,min(25vw,46vh),400px);font-weight:600;letter-spacing:-.075em;line-height:.82;margin-left:-.045em;font-variant-numeric:tabular-nums;white-space:nowrap;will-change:transform}
.num-long{font-size:clamp(64px,min(18.5vw,40vh),300px)}
.num .unit{font-weight:200;letter-spacing:-.06em}
.num .unit-word{font-size:.3em;letter-spacing:-.04em;margin-left:.22em}
.stat-text{margin-top:clamp(22px,3vw,44px);max-width:21em;font-size:clamp(20px,2.5vw,36px);font-weight:250;letter-spacing:-.035em;line-height:1.18;text-wrap:pretty}
.stat-src{margin-top:clamp(16px,2vw,26px);font:400 12px/1.4 var(--mono);letter-spacing:.04em;color:var(--muted)}
.stat-src a{color:inherit;text-underline-offset:4px;text-decoration-color:var(--line-2)}
.stat-src a:hover{color:var(--ink)}
.stats-bar{display:none}

.motion .stats{height:calc(var(--n,4) * 105vh + 100vh);padding-bottom:0}
.motion .stats-stage{position:sticky;top:0;height:100vh;height:100svh;display:flex;align-items:center;overflow:hidden}
.motion .stats-in{width:100%;height:100%;display:flex;flex-direction:column;padding-top:clamp(92px,14vh,132px);padding-bottom:clamp(64px,11vh,110px)}
.motion .stats .label{margin:0}
.motion .stats-list{flex:1;display:grid;align-items:center}
.motion .stat{grid-area:1/1;border:0;padding:0;opacity:0;visibility:hidden;will-change:opacity,transform}
.motion .stats-bar{display:block;position:absolute;left:max(var(--pad),calc(50% - var(--wrap) / 2 + var(--pad)));right:max(var(--pad),calc(50% - var(--wrap) / 2 + var(--pad)));bottom:clamp(28px,5vh,56px);height:1px;background:var(--line)}
.motion .stats-bar i{display:block;height:100%;background:var(--ink);transform-origin:left;transform:scaleX(var(--p,0))}

/* the answer to the turn: the logo lands, letter by letter, as the streaks stop */
.calm{overflow-x:clip}
.landing{margin-bottom:clamp(64px,10vw,150px)}
.landing .wordmark{width:100%;height:auto}
.motion .landing .l{will-change:transform,opacity}

/* a statement that lights up word by word as it is read */
.motion .lit .w{opacity:.16;transition:opacity .5s var(--ease)}
.motion .lit .w.on{opacity:1}

/* the turn: one line that gains weight as it reaches the middle of the screen */
.turn{padding-top:clamp(40px,8vw,120px)}
.shout{display:flex;align-items:center;min-height:100vh;min-height:100svh;padding:var(--gap) 0;overflow:hidden}
.shout .wrap{width:100%}
.shout h2{font-size:clamp(54px,13.4vw,236px);font-weight:600;letter-spacing:-.065em;line-height:.9;transform-origin:left center;will-change:transform,font-weight}
.shout h2 span{display:block}
.motion .shout h2{font-weight:var(--w,200)}

/* scroll cue under the hero */
.cue{display:none}
.motion .cue{display:flex;align-items:center;gap:14px;position:absolute;left:max(var(--pad),calc(50% - var(--wrap) / 2 + var(--pad)));bottom:clamp(24px,5vh,48px);margin:0;font:500 12px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);opacity:0;animation:fade 1s 1.6s var(--ease) forwards}
.cue span{display:block;width:56px;height:1px;background:var(--line-2);position:relative;overflow:hidden}
.cue span::after{content:"";position:absolute;inset:0;background:var(--ink);transform:translateX(-100%);animation:sweep 1.9s 2s var(--ease) infinite}
@keyframes fade{to{opacity:1}}
@keyframes sweep{to{transform:translateX(100%)}}

/* sign-off: the footer logo rises a letter at a time */
.js .foot-mark .l{opacity:0;transform:translateY(46px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:calc(var(--l) * 38ms)}
.js .foot-mark.in .l{opacity:1;transform:none}

/* entrances: content is visible without JS; with JS it rises in once */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
.js .hero .reveal:nth-child(2){transition-delay:.08s}.js .hero .reveal:nth-child(3){transition-delay:.16s}
.motion .hero .reveal{transition-delay:.75s}.motion .hero .cta.reveal{transition-delay:.9s}
/* headline words come in from the right, as if braking */
.word{display:inline-block}
.motion .word{opacity:0;transform:translateX(.7em) skewX(-14deg);filter:blur(10px);animation:arrive 1s calc(.12s + var(--i) * .09s) cubic-bezier(.16,.84,.24,1) forwards}
@keyframes arrive{to{opacity:1;transform:none;filter:none}}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal,.js .foot-mark .l{opacity:1!important;transform:none!important;transition:none!important}
  .index h3,.index p,.arrow{transition:none}
}

/* responsive */
@media (max-width:900px){
  .intro-in{grid-template-columns:1fr}
  .intro-copy{position:static}
}
@media (max-width:720px){
  .top-in{height:64px}
  .hero{min-height:calc(100svh - 64px)}
  .index li,.index-links a{grid-template-columns:34px minmax(0,1fr);row-gap:10px}
  .index p{grid-column:2}
  .index-links .arrow{display:none}
  .nav a:first-child{display:none}
  .row2{grid-template-columns:1fr}
  .wordmark{height:11px}
}