/* ARGMAX · Variant 3 — Ecosystem, as a team page
   Warm charcoal and warm white, one quiet blue for links. The colour on this
   page is supposed to come from the photos of the people, not from glows. */
:root{
  --bg:#17181B;--surface:#1F2024;--line:#2E3035;
  --ink:#ECEAE6;--ink-2:#B8B5AE;--muted:#8C8983;
  --link:#A9C7FF;--ph:#E6C27A;
  --display:"Wix Madefor Display",system-ui,-apple-system,"Segoe UI",sans-serif;
  --body:"Golos Text",system-ui,-apple-system,"Segoe UI",sans-serif;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.62 var(--body);-webkit-font-smoothing:antialiased}
a{color:inherit}
:focus-visible{outline:2px solid var(--link);outline-offset:3px;border-radius:3px}
.wrap{max-width:1180px;margin-inline:auto;padding-inline:20px}
.skip{position:absolute;left:12px;top:-60px;z-index:50;background:var(--ink);color:var(--bg);padding:10px 14px;border-radius:6px;font:600 14px var(--body)}
.skip:focus{top:12px}
.ph{text-decoration:underline dotted var(--ph);text-decoration-thickness:1.5px;text-underline-offset:4px;cursor:help}
h1,h2,h3{text-wrap:balance}
h2{margin:0 0 32px;font:700 clamp(28px,3vw,40px)/1.15 var(--display);letter-spacing:-.01em}
h3{margin:0}

/* ---------------------------------------------------------------- header */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:rgba(23,24,27,.95);border-bottom:1px solid var(--line)}
.header-row{display:flex;align-items:center;gap:30px;min-height:64px}
.logo{display:inline-flex;align-items:center;gap:9px;text-decoration:none;font:700 17px/1 var(--display);letter-spacing:.05em;color:var(--ink)}
.logo .mark{width:28px;height:20px}
.mark-dot{fill:var(--link)}
.nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.nav a{display:block;padding:8px 10px;font-size:15.5px;color:var(--ink-2);text-decoration:none}
.nav a:hover{color:var(--ink)}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.lang{font-size:14.5px;color:var(--muted);text-decoration:none}
.lang:hover{color:var(--ink)}

.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:8px;font:500 16px/1.2 var(--body);text-decoration:none;white-space:nowrap}
.btn-primary{background:var(--ink);color:var(--bg)}
.btn-primary:hover{background:#fff}
.btn-sm{min-height:38px;padding:0 15px;font-size:15px}
.text-link{color:var(--link);text-underline-offset:4px}
.text-link:hover{color:#CFE0FF}

/* ---------------------------------------------------------------- hero */
.hero{padding-block:56px 80px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
h1{margin:0;font:700 clamp(32px,3.8vw,50px)/1.14 var(--display);letter-spacing:-.015em}
.lede{max-width:50ch;margin:22px 0 0;color:var(--ink-2)}
.hero-line{margin:22px 0 0;font-size:15.5px;color:var(--muted)}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px 24px;margin-top:30px}

.photo{margin:0}
.photo img{display:block;width:100%;height:auto;border-radius:6px;filter:grayscale(.15)}
.photo-box{width:100%;border-radius:6px;background:var(--surface)}
.photo.is-empty .photo-box{border:1px dashed rgba(230,194,122,.45);background:repeating-linear-gradient(135deg,transparent 0 14px,rgba(236,234,230,.025) 14px 15px),var(--surface)}
.photo figcaption{margin-top:10px;font-size:14.5px;color:var(--muted)}
.photo-hero .photo-box{aspect-ratio:4/3}

/* ---------------------------------------------------------------- sections */
.section{padding-block:88px;border-top:1px solid var(--line)}
.section-tight{padding-block:64px}
.sub{max-width:58ch;margin:-18px 0 32px;color:var(--ink-2)}
.split{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:56px;align-items:start}
.split-head h2{margin-bottom:12px}
.split-head p{margin:0;color:var(--ink-2)}

/* structure */
.depts{list-style:none;margin:0;padding:0}
.depts li{display:grid;grid-template-columns:110px minmax(0,1fr);gap:24px;padding:20px 0;border-bottom:1px solid var(--line)}
.depts li:first-child{padding-top:0}
.count{margin:0;font:600 17px/1.5 var(--display);color:var(--ink-2)}
.depts h3{margin-bottom:4px;font:600 19px/1.35 var(--display)}
.depts p{margin:0}
.depts div p{color:var(--ink-2)}

/* verticals */
.verts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0}
.vert{padding:0 32px}
.vert:first-child{padding-left:0}
.vert:last-child{padding-right:0}
.vert + .vert{border-left:1px solid var(--line)}
.vert h3{margin-bottom:10px;font:700 24px/1.2 var(--display)}
.vert > p{margin:0;color:var(--ink-2)}
.vert .share{margin:16px 0 18px;color:var(--ink)}
.share b{font:700 24px/1 var(--display);margin-right:4px}
.vert dl{margin:0;font-size:15.5px}
.vert dt{margin-top:12px;color:var(--muted)}
.vert dd{margin:2px 0 0}

/* geo */
.tiers{display:grid;gap:0;margin:0}
.tiers div{display:grid;grid-template-columns:110px minmax(0,1fr);gap:24px;padding:14px 0;border-bottom:1px solid var(--line)}
.tiers div:first-child{padding-top:0}
.tiers dt{color:var(--muted)}
.tiers dd{margin:0}

/* terms */
.terms{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:36px 56px}
.terms article{padding-top:18px;border-top:1px solid var(--ink-2)}
.terms h3{margin-bottom:8px;font:700 21px/1.3 var(--display)}
.terms p{margin:0;color:var(--ink-2)}
.terms .best{margin-top:10px;font-size:15.5px;color:var(--muted)}

/* people */
.people{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px}
.person{display:grid;gap:16px;align-content:start}
.avatar{display:grid;place-items:center;flex:none;width:100%;max-width:220px;aspect-ratio:4/5;height:auto;border-radius:6px;background:var(--surface);object-fit:cover;font:600 34px/1 var(--display);color:var(--muted)}
.avatar.is-ph{border:1px dashed rgba(230,194,122,.45);color:var(--ph)}
.avatar-sm{width:52px;max-width:52px;aspect-ratio:1;border-radius:50%;font-size:16px}
.person h3{font:600 20px/1.3 var(--display)}
.person-role{margin:2px 0 8px;font-size:15.5px;color:var(--ink-2)}
.person-text{margin:0;font-size:16px;color:var(--ink-2)}
.person-meta{display:flex;flex-wrap:wrap;gap:4px 14px;margin:10px 0 0;font-size:14.5px;color:var(--muted)}
.person-meta a{color:var(--link)}

/* events */
.event-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.photo-event .photo-box{aspect-ratio:3/2}
.photo-event figcaption{color:var(--ink)}
.when{display:block;font-size:14px;color:var(--muted)}
.trust{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:start;margin-top:48px}
.trust > p{margin:0;color:var(--ink-2)}
.trust > p span{color:var(--ink)}
.testimonial{padding:20px 22px;border-radius:6px}
.testimonial-empty{border:1px dashed rgba(230,194,122,.45);color:var(--muted);font-size:15.5px}
.testimonial-empty p{margin:0}

/* faq */
.faq details{border-bottom:1px solid var(--line)}
.faq details:first-child summary{padding-top:0}
.faq summary{position:relative;padding:18px 40px 18px 0;list-style:none;cursor:pointer;font:600 18px/1.4 var(--display)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);font:400 24px/1 var(--body);color:var(--muted)}
.faq details:first-child summary::after{top:calc(50% - 9px)}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:-4px 0 20px;max-width:62ch;color:var(--ink-2)}

/* note */
.note-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:72px;align-items:start}
.letter{max-width:52ch;margin:0;font-size:20px;line-height:1.6}
.sign{display:flex;align-items:center;gap:14px;margin-top:26px}
.sign p{margin:0;font-size:15.5px;line-height:1.4}
.sign span{color:var(--muted)}
.reply{margin:14px 0 0;font-size:15px;color:var(--muted)}
.note-side{display:grid;gap:28px}
.brief h3{margin-bottom:12px;font:600 18px/1.3 var(--display)}
.brief ul{margin:0;padding-left:20px;color:var(--ink-2)}
.brief li{margin-bottom:6px}
.brief li::marker{color:var(--muted)}
.qr{display:flex;align-items:center;gap:14px;margin:0;font-size:14.5px;color:var(--muted)}
.qr-box{display:grid;place-items:center;flex:none;width:96px;height:96px;padding:8px;background:#fff;border-radius:6px;font:600 14px var(--display);color:var(--muted)}
.qr-box svg{width:100%;height:100%}
.qr-empty .qr-box{background:transparent;border:1px dashed rgba(230,194,122,.5);color:var(--ph)}

/* release main page (argmax.team) */
.hero-brief{align-self:start;padding:28px 30px;background:var(--surface);border:1px solid var(--line);border-radius:8px}
.hero-brief h2{margin:0 0 14px;font:600 19px/1.35 var(--display);letter-spacing:0}
.hero-brief ul{margin:0;padding-left:20px;color:var(--ink-2)}
.hero-brief li{margin-bottom:8px}
.hero-brief li::marker{color:var(--muted)}
.start{list-style:none;margin:0;padding:0;counter-reset:s}
.start li{position:relative;counter-increment:s;padding:0 0 30px 48px}
.start li::before{content:counter(s);position:absolute;left:0;top:1px;display:grid;place-items:center;width:30px;height:30px;border:1px solid var(--line);border-radius:50%;font:600 14px/1 var(--display);color:var(--ink-2)}
.start li:not(:last-child)::after{content:"";position:absolute;left:15px;top:36px;bottom:4px;width:1px;background:var(--line)}
.start h3{margin-bottom:4px;font:600 19px/1.35 var(--display)}
.start p{margin:0;color:var(--ink-2)}
.terms-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.contact-simple > *{max-width:760px}
.contact-simple h2{margin-bottom:18px}
.contact-simple .actions{margin-top:26px}
.aside-link{margin:22px 0 0;font-size:15.5px}

/* footer */
.release .footer-row{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr)}
.site-footer{padding-block:48px 56px;border-top:1px solid var(--line);font-size:15px}
.footer-row{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) auto;gap:48px;align-items:start}
.footer-brand{display:grid;gap:14px;justify-items:start}
.footer-brand p{margin:0;max-width:62ch;color:var(--muted)}
.footer-cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.footer-cols h3{margin-bottom:10px;font:600 15px/1.2 var(--display)}
.footer-cols ul{display:grid;gap:6px;list-style:none;margin:0;padding:0}
.footer-cols a,.footer-meta a{color:var(--muted);text-decoration:none}
.footer-cols a:hover,.footer-meta a:hover{color:var(--ink)}
.footer-meta{display:flex;flex-direction:column;align-items:flex-end;gap:8px;color:var(--muted)}

/* ---------------------------------------------------------------- responsive */
@media (max-width:1060px){
  .nav{display:none}
  .hero-grid,.split,.note-grid,.trust{grid-template-columns:minmax(0,1fr)}
  .split{gap:24px}
  .note-grid{gap:48px}
  .verts{grid-template-columns:minmax(0,1fr);gap:36px}
  .vert,.vert:first-child,.vert:last-child{padding:0}
  .vert + .vert{border-left:0;border-top:1px solid var(--line);padding-top:36px}
  .event-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-row{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .footer-meta{align-items:flex-start}
}
@media (max-width:720px){
  body{font-size:16px}
  .hero{padding-block:36px 56px}
  .section{padding-block:60px}
  .depts li,.tiers div{grid-template-columns:minmax(0,1fr);gap:2px}
  .terms,.terms-3,.people{grid-template-columns:minmax(0,1fr);gap:32px}
  .person{grid-template-columns:120px minmax(0,1fr);gap:18px}
  .letter{font-size:18px}
  .footer-row,.release .footer-row{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:400px){
  .wrap{padding-inline:16px}
  .event-row{gap:16px 12px}
  .photo-event figcaption{font-size:14.5px}
}
@media (max-width:359px){
  .logo span{display:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
}