/* =========================================================
   AI STAFF — shared styles
   Concept: the personnel file of an employee always on shift
   ========================================================= */

:root{
  --bg:#F4F5F3;          /* soft neutral off-white */
  --ink:#14161A;         /* near-black text        */
  --surface:#FFFFFF;
  --panel:#111417;       /* dark badge / footer    */
  --on-dark:#EAECEF;
  --on-dark-mute:#8B93A0;
  --muted:#5A616C;
  --line:#D9DCD8;
  --line-soft:#E7E9E5;
  --accent:#0A7D55;      /* "on shift" emerald      */
  --accent-ink:#075E40;
  --live:#2BD07A;

  --maxw:1180px;
  --pad:clamp(20px,5vw,64px);

  --display:'Archivo Expanded','Archivo',system-ui,sans-serif;
  --sans:'Archivo',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,'SFMono-Regular',monospace;
}

*{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(--bg);color:var(--ink);
  font-family:var(--sans);font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700}
p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:3px}

.container{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad)}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.6rem 1rem;
  border-radius:0 0 8px 0;font-family:var(--mono);font-size:.8rem;z-index:100}
.skip:focus{left:0}

.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--accent);display:inline-flex;align-items:center;gap:.6ch;margin:0 0 1.1rem}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent)}
.lead{font-size:clamp(1.05rem,1.6vw,1.22rem);color:var(--muted);max-width:60ch}

/* ---------- brand mark (Ataium monogram) ---------- */
.chip{display:inline-grid;place-items:center;border:1.6px solid currentColor;border-radius:9px;
  width:34px;height:34px;color:var(--accent);font-family:var(--display);font-weight:800;
  font-size:.9rem;letter-spacing:-.02em;line-height:1}

/* ---------- status dot ---------- */
.live{display:inline-flex;align-items:center;gap:.5ch;font-family:var(--mono);
  font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--on-dark-mute)}
.live .d{width:8px;height:8px;border-radius:50%;background:var(--live);position:relative}
.live .d::after{content:"";position:absolute;inset:-4px;border-radius:50%;
  border:1.5px solid var(--live);opacity:.6;animation:ping 2.4s ease-out infinite}
@keyframes ping{0%{transform:scale(.6);opacity:.7}100%{transform:scale(1.5);opacity:0}}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 85%,transparent);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line-soft)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;min-height:66px;gap:1rem}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--ink)}
.brand .word{font-family:var(--display);font-weight:800;letter-spacing:-.01em;font-size:1.12rem}
.nav-links{display:flex;align-items:center;gap:.15rem}
.nav-links a{font-family:var(--mono);font-size:.75rem;letter-spacing:.07em;text-transform:uppercase;
  color:var(--muted);text-decoration:none;padding:.55rem .75rem;border-radius:7px;transition:color .15s,background .15s;white-space:nowrap}
.nav-links a:hover{color:var(--ink);background:rgba(20,22,26,.05)}
.nav-links a[aria-current="page"]{color:var(--ink)}
.nav-links a[aria-current="page"]::after{content:"";display:block;height:2px;background:var(--accent);border-radius:2px;margin-top:3px}
.nav-cta{background:var(--accent)!important;color:#fff!important}
.nav-cta:hover{background:var(--accent-ink)!important}
.nav-cta::after{display:none!important}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;width:42px;height:42px;cursor:pointer;padding:0;align-items:center;justify-content:center}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{content:"";display:block;width:18px;height:1.6px;background:var(--ink);transition:transform .2s,opacity .2s}
.nav-toggle span::before{transform:translateY(-6px)}
.nav-toggle span::after{transform:translateY(4.4px)}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:rotate(-45deg) translateY(-1px)}

/* ---------- hero ---------- */
.hero{padding-block:clamp(44px,7vw,88px)}
.hero-grid{display:grid;grid-template-columns:340px 1fr;gap:clamp(30px,5vw,68px);align-items:center}

/* ID badge */
.badge{background:var(--panel);color:var(--on-dark);border-radius:18px;padding:22px;
  position:relative;overflow:hidden;box-shadow:0 30px 70px -34px rgba(17,20,23,.7)}
.badge .b-top{display:flex;justify-content:space-between;align-items:center;
  font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--on-dark-mute)}
.badge .b-main{display:flex;gap:16px;align-items:center;margin:20px 0 22px}
.badge .avatar{width:74px;height:74px;border-radius:14px;flex:0 0 auto;
  background:linear-gradient(160deg,#1B2026,#0C0E11);display:grid;place-items:center;border:1px solid rgba(255,255,255,.08)}
.badge .avatar svg{width:40px;height:40px;color:var(--live)}
.badge .who .role{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--on-dark-mute)}
.badge .who .nm{font-family:var(--display);font-weight:800;font-size:1.7rem;line-height:1.05;color:#fff;margin:.15rem 0 .3rem}
.badge .who .sub{font-family:var(--mono);font-size:.72rem;color:var(--on-dark-mute)}
.badge .b-meta{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px;
  font-family:var(--mono);font-size:.7rem;color:var(--on-dark-mute);margin-bottom:16px}
.badge .b-meta b{color:var(--on-dark);font-weight:500;display:block;font-size:.82rem;letter-spacing:.02em}
.barcode{height:38px;border-radius:7px;background:
  repeating-linear-gradient(90deg,#E7EAEE 0 2px,transparent 2px 4px,#E7EAEE 4px 7px,transparent 7px 9px,
  #E7EAEE 9px 10px,transparent 10px 14px,#E7EAEE 14px 17px,transparent 17px 18px,#E7EAEE 18px 20px,transparent 20px 25px),
  #06080A;background-size:25px 100%}

/* hero copy */
.hero h1{font-family:var(--display);font-weight:800;font-size:clamp(2.4rem,5.4vw,4rem);
  line-height:1.02;letter-spacing:-.025em;margin:0 0 1.2rem}
.hero .lead{margin-bottom:1.7rem}
.cta-row{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:1.9rem}

/* shift bar */
.shiftbar{height:44px;border-radius:11px;position:relative;overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(90deg,#0A7D55,#12A06C 55%,#0A7D55);}
.shiftbar::before{content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(90deg,transparent 0 calc(100%/24 - 1px),rgba(0,0,0,.16) calc(100%/24 - 1px) calc(100%/24))}
.shiftbar::after{content:"";position:absolute;top:0;bottom:0;width:22%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);animation:scan 6s ease-in-out infinite}
@keyframes scan{0%{transform:translateX(-30%)}55%,100%{transform:translateX(160%)}}
.shift-cap{display:flex;justify-content:space-between;margin-top:9px;
  font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

/* ---------- buttons ---------- */
.btn{font-family:var(--mono);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;
  padding:.85rem 1.25rem;border-radius:9px;text-decoration:none;display:inline-flex;align-items:center;gap:.6ch;
  border:1px solid transparent;cursor:pointer;transition:background .15s,border-color .15s,transform .12s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-ink)}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink)}
.btn .ar{transition:transform .15s}
.btn:hover .ar{transform:translateX(3px)}

/* ---------- sections ---------- */
.section{padding-block:clamp(54px,8vw,104px)}
.section.tight{padding-block:clamp(40px,6vw,72px)}
.section-head{max-width:730px;margin-bottom:clamp(28px,4vw,52px)}
.section-head h2{font-family:var(--display);font-weight:700;font-size:clamp(1.7rem,3.4vw,2.5rem);
  line-height:1.08;letter-spacing:-.02em;margin-bottom:1rem}
.page-head{padding-block:clamp(48px,7vw,80px) 0}
.page-head h1{font-family:var(--display);font-weight:800;font-size:clamp(2.2rem,5vw,3.6rem);
  letter-spacing:-.025em;line-height:1.03;max-width:18ch;margin-bottom:1.2rem}

/* ---------- capability cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cap{background:var(--surface);border:1px solid var(--line-soft);border-radius:15px;padding:26px;
  display:flex;flex-direction:column;gap:.7rem;transition:border-color .18s,transform .18s,box-shadow .18s}
.cap:hover{border-color:var(--line);transform:translateY(-3px);box-shadow:0 22px 42px -32px rgba(20,22,26,.45)}
.cap .ic{width:42px;height:42px;border-radius:11px;background:#EAF4EF;display:grid;place-items:center;color:var(--accent);margin-bottom:.4rem}
.cap .ic svg{width:22px;height:22px}
.cap h3{font-family:var(--display);font-weight:700;font-size:1.12rem;letter-spacing:-.01em}
.cap p{color:var(--muted);font-size:.96rem}

/* ---------- employee profile (traits) ---------- */
.profile{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line-soft);
  border:1px solid var(--line-soft);border-radius:15px;overflow:hidden}
.trait{background:var(--surface);padding:22px 24px;display:flex;gap:14px;align-items:flex-start}
.trait .tick{flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:#EAF4EF;color:var(--accent);
  display:grid;place-items:center;margin-top:2px}
.trait .tick svg{width:14px;height:14px}
.trait h3{font-family:var(--display);font-weight:700;font-size:1.02rem;margin-bottom:.25rem}
.trait p{color:var(--muted);font-size:.92rem;line-height:1.5}

/* ---------- steps (real sequence -> numbered) ---------- */
.steps{display:grid;gap:2px;background:var(--line-soft);border:1px solid var(--line-soft);border-radius:16px;overflow:hidden}
.step{background:var(--surface);padding:26px clamp(22px,3vw,34px);display:grid;
  grid-template-columns:64px 1fr;gap:22px;align-items:start}
.step .n{font-family:var(--display);font-weight:800;font-size:2.1rem;color:var(--line);line-height:1;letter-spacing:-.03em}
.step .n b{color:var(--accent);font-weight:800}
.step h3{font-family:var(--display);font-weight:700;font-size:1.25rem;margin-bottom:.4rem}
.step p{color:var(--muted)}

/* ---------- use-case blocks ---------- */
.usecase{display:grid;grid-template-columns:1fr 1.3fr;gap:clamp(24px,4vw,52px);align-items:start}
.usecase + .usecase{margin-top:clamp(40px,6vw,72px);padding-top:clamp(40px,6vw,72px);border-top:1px solid var(--line)}
.usecase .u-key{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:.9rem}
.usecase h2{font-family:var(--display);font-weight:700;font-size:clamp(1.5rem,2.6vw,2rem);letter-spacing:-.02em;margin-bottom:.7rem}
.usecase .desc{color:var(--muted)}
.checklist{list-style:none;margin:0;padding:0;display:grid;gap:.7rem}
.checklist li{display:flex;gap:12px;align-items:flex-start;font-size:.98rem}
.checklist .tick{flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:#EAF4EF;color:var(--accent);display:grid;place-items:center;margin-top:1px}
.checklist .tick svg{width:13px;height:13px}

/* ---------- datasheet ---------- */
.datasheet{border-top:1px solid var(--line)}
.ds-row{display:grid;grid-template-columns:220px 1fr;gap:18px;padding:15px 0;border-bottom:1px solid var(--line-soft);align-items:baseline}
.ds-row .k{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.ds-row .v{font-family:var(--mono);font-size:.9rem;color:var(--ink)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line-soft)}
.faq summary{cursor:pointer;list-style:none;padding:20px 0;display:flex;justify-content:space-between;gap:16px;
  align-items:center;font-family:var(--display);font-weight:700;font-size:1.08rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary .pm{flex:0 0 auto;width:24px;height:24px;position:relative}
.faq summary .pm::before,.faq summary .pm::after{content:"";position:absolute;background:var(--accent);border-radius:2px}
.faq summary .pm::before{top:11px;left:2px;right:2px;height:2px}
.faq summary .pm::after{left:11px;top:2px;bottom:2px;width:2px;transition:transform .2s}
.faq details[open] summary .pm::after{transform:scaleY(0)}
.faq .a{padding:0 0 22px;color:var(--muted);max-width:70ch}

/* ---------- contact ---------- */
.mail{font-family:var(--display);font-weight:800;letter-spacing:-.02em;font-size:clamp(1.6rem,4.4vw,2.9rem);
  color:var(--ink);text-decoration:none;display:inline-block;border-bottom:3px solid var(--accent);padding-bottom:.1em;transition:color .15s}
.mail:hover{color:var(--accent-ink)}
.form{display:grid;gap:1.1rem;max-width:520px;margin-top:2.4rem}
.field{display:grid;gap:.45rem}
.field label{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.field input,.field textarea{font-family:var(--sans);font-size:1rem;color:var(--ink);background:var(--surface);
  border:1px solid var(--line);border-radius:10px;padding:.8rem .9rem;width:100%}
.field textarea{resize:vertical;min-height:130px}
.field input:focus,.field textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}

/* ---------- cta band ---------- */
.band{background:var(--panel);color:var(--on-dark);border-radius:20px;padding:clamp(32px,5vw,56px);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.4rem;position:relative;overflow:hidden}
.band .edge{position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--live))}
.band h2{font-family:var(--display);font-weight:800;font-size:clamp(1.5rem,3vw,2.1rem);letter-spacing:-.02em;max-width:24ch}
.band .btn-primary{background:#fff;color:var(--panel)}
.band .btn-primary:hover{background:var(--on-dark)}

/* ---------- footer ---------- */
.footer{background:var(--panel);color:var(--on-dark);padding-block:clamp(44px,6vw,64px)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:clamp(24px,4vw,48px)}
.footer .brand{color:var(--on-dark)}
.footer .brand .chip{color:var(--live)}
.footer .tagline{color:var(--on-dark-mute);margin-top:1rem;max-width:34ch;font-size:.95rem}
.footer h4{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--on-dark-mute);margin:0 0 1rem;font-weight:500}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.6rem}
.footer a{color:var(--on-dark);text-decoration:none;font-size:.92rem}
.footer a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-bar{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.8rem;margin-top:clamp(30px,4vw,48px);
  padding-top:1.4rem;border-top:1px solid rgba(255,255,255,.1);font-family:var(--mono);font-size:.68rem;letter-spacing:.06em;color:var(--on-dark-mute)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(14px)}
.ready .reveal{opacity:1;transform:none;transition:opacity .7s ease,transform .7s ease}
.ready .reveal.d1{transition-delay:.08s}
.ready .reveal.d2{transition-delay:.16s}
.ready .reveal.d3{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none}
  .shiftbar::after,.live .d::after{animation:none}
  .btn:active{transform:none}
}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .nav-links{position:absolute;top:66px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:var(--bg);border-bottom:1px solid var(--line);padding:.5rem var(--pad) 1rem;display:none}
  .nav-links.open{display:flex}
  .nav-links a{padding:.85rem .4rem;font-size:.85rem}
  .nav-links a[aria-current="page"]::after{display:none}
  .nav-cta{text-align:center;margin-top:.4rem}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .badge{max-width:360px}
  .grid-3{grid-template-columns:1fr}
  .profile{grid-template-columns:1fr}
  .usecase{grid-template-columns:1fr;gap:18px}
  .step{grid-template-columns:44px 1fr;gap:16px}
  .step .n{font-size:1.7rem}
  .ds-row{grid-template-columns:1fr;gap:4px;padding:12px 0}
  .footer-grid{grid-template-columns:1fr;gap:32px}
}

/* =========================================================
   Illustrations & media  (added in revision)
   ========================================================= */
.shot{width:100%;height:auto;display:block}

/* in-action (image + text) */
.inaction{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,60px);align-items:center}
.inaction.flip .ia-media{order:2}
.ia-body .eyebrow{margin-bottom:1rem}
.ia-body h2{font-family:var(--display);font-weight:700;font-size:clamp(1.6rem,3vw,2.3rem);
  letter-spacing:-.02em;line-height:1.1;margin-bottom:1rem}
.ia-body .checklist{margin-top:1.4rem}

/* segment cards with imagery */
.seg{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line-soft);
  border-radius:16px;overflow:hidden;text-decoration:none;color:inherit;
  transition:border-color .18s,transform .18s,box-shadow .18s}
.seg:hover{border-color:var(--line);transform:translateY(-3px);box-shadow:0 22px 42px -32px rgba(20,22,26,.45)}
.seg-img{width:100%;height:158px;object-fit:cover;display:block;border-bottom:1px solid var(--line-soft)}
.seg-body{padding:22px 24px;display:flex;flex-direction:column;gap:.5rem;flex:1}
.seg-body h3{font-family:var(--display);font-weight:700;font-size:1.15rem;letter-spacing:-.01em}
.seg-body p{color:var(--muted);font-size:.95rem}
.seg-body .more{margin-top:auto;color:var(--accent);font-family:var(--mono);font-size:.72rem;
  letter-spacing:.08em;text-transform:uppercase;display:inline-flex;gap:.5ch;align-items:center}
.seg:hover .more .ar{transform:translateX(3px)}
.more .ar{transition:transform .15s}

/* use-case restructure: illustration + body */
.usecase{grid-template-columns:0.95fr 1.05fr}
.u-media .shot{border-radius:16px;border:1px solid var(--line-soft)}
.u-body .u-key{margin-bottom:.9rem}

/* contact two-column */
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,5vw,64px);align-items:start}
.contact-media{position:sticky;top:96px}

@media (max-width:900px){
  .inaction{grid-template-columns:1fr;gap:26px}
  .inaction.flip .ia-media{order:0}
  .usecase{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;gap:30px}
  .contact-media{position:static;display:none}
  .seg-img{height:150px}
}