/* ATTune — website styles */
:root{
  --ink:#0B0B0D;
  --ink-2:#131317;
  --ink-3:#1A1A20;
  --line:rgba(242,239,234,.12);
  --paper:#F2EFEA;
  --mute:#93918D;
  --red:#E3241C;
  --g:clamp(20px,5vw,64px);
  --sans:'Archivo',-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --sect:clamp(84px,13vh,160px);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--ink);color:var(--paper);
  font-family:var(--sans);font-size:17px;line-height:1.6;font-weight:400;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
::selection{background:var(--red);color:#fff}
:focus-visible{outline:2px solid var(--red);outline-offset:3px;border-radius:3px}

.wrap{max-width:1280px;margin:0 auto;padding:0 var(--g)}
.sect{padding-block:var(--sect);position:relative}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* ---------------------------------------------------------------- type */
.eyebrow{
  font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.2em;
  text-transform:uppercase;color:var(--mute);margin:0 0 22px;display:block;
}
.eyebrow .dot{color:var(--red)}
h1,h2,h3{font-weight:800;letter-spacing:-.03em;line-height:1.03;margin:0}
h1{font-size:clamp(40px,7.4vw,86px)}
h2{font-size:clamp(30px,4.6vw,58px)}
h3{font-size:clamp(20px,2.2vw,26px);letter-spacing:-.02em;line-height:1.2}
.lede{font-size:clamp(18px,2vw,23px);line-height:1.5;color:rgba(242,239,234,.82);font-weight:500;max-width:36ch}
p{margin:0 0 1.1em;color:rgba(242,239,234,.7);max-width:64ch}
p:last-child{margin-bottom:0}
p strong{color:var(--paper);font-weight:600}
.big-body p{font-size:clamp(17px,1.5vw,19px)}

/* ---------------------------------------------------------------- nav */
.nav{
  position:fixed;inset:0 0 auto;z-index:50;
  padding:16px var(--g);transition:background .3s,backdrop-filter .3s,border-color .3s;
  border-bottom:1px solid transparent;
}
.nav-in{max-width:1280px;margin:0 auto;display:flex;align-items:center;gap:20px}
.nav.is-stuck{background:rgba(11,11,13,.82);backdrop-filter:blur(14px);border-bottom-color:var(--line)}
.nav-in .mark{display:flex;align-items:center;gap:10px;text-decoration:none;margin-right:auto}
.nav-in .mark img{width:30px;height:auto}
.nav-in .mark b{font-size:15px;font-weight:800;letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{
  font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  text-decoration:none;color:rgba(242,239,234,.66);transition:color .2s;
}
.nav-links a:hover{color:var(--paper)}
@media (max-width:760px){.nav-links a.hide-sm{display:none}}

/* ---------------------------------------------------------------- buttons */
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:999px;
  font-size:14.5px;font-weight:600;letter-spacing:.01em;text-decoration:none;border:1px solid transparent;
  background:var(--paper);color:var(--ink);transition:transform .18s,background .2s,border-color .2s,color .2s;
  white-space:nowrap;cursor:pointer;font-family:inherit;
}
.btn:hover{transform:translateY(-2px)}
.btn.ghost{background:transparent;color:var(--paper);border-color:rgba(242,239,234,.28)}
.btn.ghost:hover{border-color:var(--paper);background:rgba(242,239,234,.06)}
.btn .ar{font-family:var(--mono);opacity:.55;font-size:13px}
.btn:hover .ar{opacity:1}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}

/* ---------------------------------------------------------------- hero */
.hero{position:relative;min-height:min(94svh,860px);display:flex;align-items:flex-end;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.66;filter:grayscale(.2) contrast(1.04)}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,11,13,.78) 0%,rgba(11,11,13,.3) 30%,rgba(11,11,13,.84) 74%,var(--ink) 100%),
             radial-gradient(130% 95% at 18% 100%,rgba(11,11,13,.92),transparent 60%);
}
.hero-in{position:relative;z-index:1;width:100%;padding-block:150px 78px}
.hero h1{max-width:15ch;margin-bottom:26px}
.hero h1 em{font-style:normal;color:var(--red)}
.hero .lede{max-width:52ch;font-size:clamp(17px,1.75vw,21px)}
.hero-foot{
  display:flex;flex-wrap:wrap;gap:12px 34px;align-items:center;margin-top:44px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);
}
.hero-foot span{display:flex;align-items:center;gap:9px}
.hero-foot i{width:5px;height:5px;border-radius:50%;background:var(--red);display:block}

/* ---------------------------------------------------------------- split layout */
.split{display:grid;grid-template-columns:minmax(0,.56fr) minmax(0,1.44fr);gap:clamp(30px,5vw,72px);align-items:start}
.side .quote{font-size:clamp(19px,1.9vw,27px);max-width:20ch}
@media (max-width:860px){.split{grid-template-columns:1fr;gap:26px}}


/* device mockups in the side column */
.device{margin:34px 0 0;max-width:380px}
.device img{width:100%;height:auto}
.device.laptop{max-width:420px}
.art{margin:34px 0 0;max-width:300px}
.art img{width:100%;aspect-ratio:560/620}
.side-shot{margin:34px 0 0;max-width:320px}
.side-shot img{width:100%;aspect-ratio:806/453;object-fit:cover;border-radius:10px;border:1px solid var(--line)}
.device figcaption,.art figcaption,.side-shot figcaption{
  margin-top:16px;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--mute);line-height:1.7;
}
.device figcaption b,.art figcaption b,.side-shot figcaption b{color:rgba(242,239,234,.8);font-weight:500}
@media (max-width:860px){
  .device{margin:26px 0 8px;max-width:420px}
  .device.laptop{max-width:480px}
  .art{margin:26px 0 8px;max-width:300px}
  .side-shot{margin:26px 0 8px;max-width:340px}
}

/* ---------------------------------------------------------------- practise list */
.practise{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border-block:1px solid var(--line);margin-top:56px}
@media (max-width:900px){.practise{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.practise{grid-template-columns:1fr}}
.practise li{list-style:none;background:var(--ink);padding:30px 26px 34px}
.practise .n{font-family:var(--mono);font-size:11px;color:var(--red);letter-spacing:.16em;display:block;margin-bottom:18px}
.practise h3{margin-bottom:10px}
.practise p{font-size:15.5px;line-height:1.55;color:rgba(242,239,234,.62)}
.note{
  margin-top:26px;font-size:14.5px;color:var(--mute);border-left:2px solid var(--red);
  padding-left:16px;max-width:60ch;line-height:1.55;
}

/* ---------------------------------------------------------------- try cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:56px}
@media (max-width:920px){.cards{grid-template-columns:1fr;max-width:520px}}
.card{
  display:flex;flex-direction:column;background:var(--ink-2);border:1px solid var(--line);
  border-radius:16px;overflow:hidden;text-decoration:none;
  transition:transform .25s,border-color .25s,background .25s;
}
.card:hover{transform:translateY(-4px);border-color:rgba(242,239,234,.28);background:var(--ink-3)}
.card .shot{aspect-ratio:16/9;overflow:hidden;background:#000}
.card .shot img{width:100%;height:100%;object-fit:cover;transition:transform .5s;opacity:.92}
.card:hover .shot img{transform:scale(1.04);opacity:1}
.card .body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.card .tag{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--red);margin-bottom:12px;
}
.card h3{margin-bottom:9px}
.card p{font-size:15px;line-height:1.55;color:rgba(242,239,234,.62);margin-bottom:20px}
.card .go{
  margin-top:auto;font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--paper);display:flex;align-items:center;gap:8px;
}
.card:hover .go{color:var(--red)}

/* ---------------------------------------------------------------- vision */
.vision{background:var(--ink-2);border-block:1px solid var(--line)}
.vision-shot{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);margin-top:48px}
.vision-shot img{width:100%}
.vision-cap{
  display:flex;flex-wrap:wrap;gap:8px 28px;margin-top:18px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--mute);
}
.vision-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:52px}
@media (max-width:820px){.vision-grid{grid-template-columns:1fr;gap:22px}}
.vision-grid h3{font-size:19px;margin-bottom:8px}
.vision-grid p{font-size:15px;color:rgba(242,239,234,.62)}

/* ---------------------------------------------------------------- research teaser */
.quote{
  font-size:clamp(21px,2.9vw,34px);font-weight:600;letter-spacing:-.02em;line-height:1.28;
  color:var(--paper);max-width:24ch;margin:0;
}
.quote::before{content:'';display:block;width:42px;height:2px;background:var(--red);margin-bottom:28px}

/* ---------------------------------------------------------------- research page */
.refs{list-style:none;padding:0;margin:34px 0 0;border-top:1px solid var(--line)}
.refs li{padding:20px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:44px 1fr;gap:16px}
.refs .n{font-family:var(--mono);font-size:12px;color:var(--red);letter-spacing:.08em;padding-top:3px}
.refs p{font-size:15px;line-height:1.55;margin:0;color:rgba(242,239,234,.7)}
.refs a{color:var(--mute);text-decoration:none;border-bottom:1px solid var(--line);word-break:break-word;font-size:13.5px}
.refs a:hover{color:var(--paper);border-bottom-color:var(--red)}
.page-head{padding-block:clamp(130px,18vh,190px) 0}
.back{
  display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:11.5px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--mute);text-decoration:none;margin-bottom:28px;
}
.back:hover{color:var(--paper)}

/* ---------------------------------------------------------------- footer */
.foot{border-top:1px solid var(--line);padding-block:64px 54px}
.foot-top{display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between;align-items:flex-start}
.foot .mark img{width:64px;margin-bottom:18px}
.foot p{font-size:14.5px;color:var(--mute);max-width:34ch;margin:0}
.foot-nav{display:flex;gap:56px;flex-wrap:wrap}
.foot-col h4{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--mute);margin:0 0 16px;font-weight:500;
}
.foot-col a{
  display:block;text-decoration:none;font-size:14.5px;color:rgba(242,239,234,.72);
  margin-bottom:10px;transition:color .2s;
}
.foot-col a:hover{color:var(--red)}
.foot-col a.mail{
  color:var(--paper);font-weight:500;word-break:break-word;
  border-bottom:1px solid var(--line);padding-bottom:3px;display:inline-block;
}
.foot-col a.mail:hover{color:var(--red);border-bottom-color:var(--red)}
.foot-note{font-size:13.5px;line-height:1.55;color:var(--mute);max-width:28ch;margin:14px 0 0}
@media (max-width:640px){.foot-nav{gap:32px 40px}.foot-col{min-width:min(100%,240px)}}
.foot-bot{
  margin-top:56px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:space-between;
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--mute);
}

/* ---------------------------------------------------------------- reveal */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  .btn:hover,.card:hover{transform:none}
  .card .shot img{transition:none}
}