/* ============================================================
   DAWN — ATLAS DESIGN SYSTEM
   Swiss / editorial register. Archivo + IBM Plex Mono.
   Shared across all Atlas site pages.
   ============================================================ */

:root{
  --paper:#F7F7F3; --ink:#0D0D0B; --ink-2:#3A3A35; --soft:#7A7A72;
  --hair:#D8D8D0; --signal:#00A8FF; --brand:#00A8FF; --card:#FFFFFF;
  --sans:"Archivo",system-ui,sans-serif; --mono:"IBM Plex Mono",monospace;
  --gutter:clamp(18px,4vw,64px); --maxw:1400px;
  --ease:cubic-bezier(.22,1,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-font-smoothing:antialiased;scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--paper);color:var(--ink);font-size:16px;line-height:1.5;overflow-x:hidden}
a{color:inherit;text-decoration:none}
::selection{background:var(--signal);color:#fff}
img{max-width:100%;display:block}

/* ---------- primitives ---------- */
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase}
.lbl{font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--soft)}
.sig{color:var(--signal)}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;justify-content:space-between;align-items:center;
  padding:16px var(--gutter);border-bottom:1px solid transparent;transition:.3s var(--ease)}
.nav.solid{background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(14px);border-color:var(--hair)}
.brand{font-weight:800;font-size:21px;letter-spacing:-.02em;display:flex;align-items:center;gap:9px}
.brand .dot{width:11px;height:11px;background:var(--signal);border-radius:50%}
.brand__logo{height:22px;width:auto;display:block}
.nav__links{display:flex;gap:30px;align-items:center}
.nav__links a{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2)}
.nav__links a:hover,.nav__links a[aria-current="page"]{color:var(--signal)}
.nav__cta{white-space:nowrap}
.nav__burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav__burger span{display:block;width:24px;height:2px;background:var(--ink);transition:.3s var(--ease)}
/* on-dark variant: light text until the bar solidifies (paper bg) on scroll */
.nav--ondark:not(.solid) .brand{color:var(--paper)}
.nav--ondark:not(.solid) .nav__links a{color:#cfcfc7}
.nav--ondark:not(.solid) .nav__links a:hover,
.nav--ondark:not(.solid) .nav__links a[aria-current="page"]{color:var(--signal)}
.nav--ondark:not(.solid) .nav__burger span{background:var(--paper)}
@media(max-width:760px){
  .nav__links{display:none}
  .nav__burger{display:flex}
}

/* mobile menu */
.mobile-menu{position:fixed;inset:0;z-index:49;background:var(--paper);display:flex;flex-direction:column;justify-content:center;
  gap:6px;padding:var(--gutter);transform:translateY(-100%);transition:.45s var(--ease);pointer-events:none}
.mobile-menu.open{transform:none;pointer-events:auto}
.mobile-menu a{font-weight:700;font-size:clamp(34px,9vw,64px);letter-spacing:-.03em;line-height:1.05;padding:8px 0;border-bottom:1px solid var(--hair)}
.mobile-menu a:hover{color:var(--signal)}

/* ---------- page header (sub-pages) ---------- */
.phead{padding-top:120px;border-bottom:2px solid var(--ink)}
.phead__meta{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;border-bottom:1px solid var(--hair);padding-bottom:14px;margin-bottom:clamp(28px,5vw,56px)}
.phead h1{font-weight:800;font-size:clamp(44px,9vw,140px);line-height:.88;letter-spacing:-.04em;text-transform:uppercase}
.phead__sub{display:grid;grid-template-columns:1fr;gap:24px;margin:clamp(28px,4vw,48px) 0 clamp(36px,5vw,64px)}
@media(min-width:820px){.phead__sub{grid-template-columns:1.5fr 1fr;align-items:end}}
.phead__sub p{font-size:clamp(18px,1.8vw,23px);line-height:1.4;max-width:40ch;color:var(--ink-2)}
.phead__nums{display:flex;gap:clamp(24px,4vw,56px);flex-wrap:wrap}
.phead__nums div b{display:block;font-weight:700;font-size:clamp(28px,3.2vw,44px);letter-spacing:-.03em}
.phead__nums div span{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--soft)}

/* ---------- home hero ---------- */
.hero{padding-top:128px;padding-bottom:0;border-bottom:2px solid var(--ink)}
.hero__meta{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;border-bottom:1px solid var(--hair);padding-bottom:14px;margin-bottom:clamp(28px,5vw,60px)}
.hero h1{font-weight:800;font-size:clamp(46px,10.5vw,180px);line-height:.86;letter-spacing:-.04em;text-transform:uppercase}
.hero h1 .sig{display:inline-block}
.hero__sub{display:grid;grid-template-columns:1fr;gap:24px;margin:clamp(30px,5vw,56px) 0 clamp(40px,6vw,72px)}
@media(min-width:820px){.hero__sub{grid-template-columns:1.4fr 1fr;align-items:end}}
.hero__sub p{font-size:clamp(18px,1.8vw,23px);line-height:1.4;max-width:34ch;color:var(--ink-2)}
.hero__nums{display:flex;gap:clamp(24px,4vw,56px);flex-wrap:wrap}
.hero__nums div b{display:block;font-weight:700;font-size:clamp(30px,3.4vw,46px);letter-spacing:-.03em}
.hero__nums div span{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--soft)}

/* ---------- register marquee ---------- */
.register{border-bottom:2px solid var(--ink);overflow:hidden}
.register__track{display:flex;gap:0;animation:marq 38s linear infinite;width:max-content}
.register:hover .register__track{animation-play-state:paused}
.register__track span{font-family:var(--mono);font-size:13px;text-transform:uppercase;letter-spacing:.04em;padding:13px 26px;border-right:1px solid var(--hair);white-space:nowrap;color:var(--ink-2)}
.register__track span::before{content:"";display:inline-block;width:6px;height:6px;background:var(--signal);margin-right:12px;vertical-align:middle}
@keyframes marq{to{transform:translateX(-50%)}}
@media(prefers-reduced-motion:reduce){.register__track{animation:none}}

/* ---------- section shell ---------- */
.sec{padding-block:clamp(60px,9vw,130px);border-bottom:1px solid var(--hair)}
.sec--tight{padding-block:clamp(44px,6vw,80px)}
.sec__head{display:grid;grid-template-columns:1fr;gap:8px;margin-bottom:clamp(34px,5vw,60px)}
@media(min-width:820px){.sec__head{grid-template-columns:240px 1fr;gap:40px}}
.sec__head h2{font-weight:700;font-size:clamp(28px,3.6vw,52px);line-height:1.02;letter-spacing:-.03em;max-width:18ch}
.sec__no{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--signal);padding-top:6px}

/* ---------- data rows (pillars) ---------- */
.rows{border-top:1px solid var(--ink)}
.row{display:grid;grid-template-columns:54px 1fr;gap:0 18px;padding:clamp(22px,2.4vw,30px) 0;border-bottom:1px solid var(--hair);align-items:baseline;transition:padding-left .35s var(--ease),background .3s}
@media(min-width:820px){.row{grid-template-columns:54px 1.1fr 1.4fr}}
.row:hover{padding-left:14px;background:var(--card)}
.row__n{font-family:var(--mono);font-size:13px;color:var(--signal)}
.row__t{font-weight:700;font-size:clamp(20px,2.1vw,28px);letter-spacing:-.02em;line-height:1.08}
.row__d{color:var(--soft);font-size:15px;max-width:42ch}
@media(max-width:819px){.row__d{grid-column:2}}

/* ---------- capability detail blocks ---------- */
.cap{display:grid;grid-template-columns:1fr;gap:clamp(20px,3vw,40px);padding-block:clamp(44px,6vw,76px);border-bottom:1px solid var(--hair);align-items:start}
@media(min-width:880px){.cap{grid-template-columns:80px 1fr 1.1fr}}
.cap:hover .cap__n{color:var(--signal)}
.cap__n{font-family:var(--mono);font-size:clamp(22px,3vw,34px);color:var(--ink);transition:color .3s}
.cap__t{font-weight:700;font-size:clamp(24px,2.8vw,38px);line-height:1.05;letter-spacing:-.03em;max-width:16ch}
.cap__body p{color:var(--ink-2);font-size:clamp(16px,1.5vw,19px);line-height:1.5;max-width:50ch;margin-bottom:18px}
.cap__list{list-style:none;display:flex;flex-direction:column;gap:0;margin-top:8px;border-top:1px solid var(--hair)}
.cap__list li{display:grid;grid-template-columns:26px 1fr;gap:8px;padding:12px 0;border-bottom:1px solid var(--hair);font-size:15px;color:var(--ink-2)}
.cap__list li span{font-family:var(--mono);color:var(--signal);font-size:13px}

/* ---------- agencies index table ---------- */
.idx{border-top:2px solid var(--ink)}
.idx a{display:grid;grid-template-columns:50px 1fr 40px;gap:0 16px;align-items:center;padding:clamp(16px,1.8vw,22px) 0;
  border-bottom:1px solid var(--hair);transition:padding-left .3s var(--ease),background .25s;position:relative}
@media(min-width:760px){.idx a{grid-template-columns:50px minmax(160px,260px) 1fr 40px}}
.idx a:hover{padding-left:16px;background:var(--card)}
.idx a.is-hidden{display:none}
.idx__n{font-family:var(--mono);font-size:12px;color:var(--soft)}
.idx__name{font-weight:700;font-size:clamp(19px,2vw,26px);letter-spacing:-.02em}
.idx a:hover .idx__name{color:var(--signal)}
.idx__cat{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--soft)}
.idx__desc{font-size:15px;color:var(--soft);max-width:46ch;display:none}
@media(min-width:1040px){.idx a{grid-template-columns:50px minmax(150px,220px) minmax(150px,200px) 1fr 40px}.idx__desc{display:block}}
@media(max-width:759px){.idx__cat{display:none}}
.idx__arr{justify-self:end;font-family:var(--mono);color:var(--soft);transition:transform .3s var(--ease)}
.idx a:hover .idx__arr{transform:translate(3px,-3px);color:var(--signal)}

/* ---------- filter bar ---------- */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:clamp(28px,4vw,44px)}
.chip{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);
  background:none;border:1px solid var(--hair);padding:9px 16px;border-radius:2px;cursor:pointer;transition:.25s var(--ease)}
.chip:hover{border-color:var(--ink)}
.chip.active{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.filters__count{margin-left:auto;align-self:center;font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--soft)}

/* ---------- statement ---------- */
.state{font-weight:600;font-size:clamp(26px,4vw,60px);line-height:1.06;letter-spacing:-.03em;max-width:20ch}
.state .sig{color:var(--brand)}

/* ---------- inline cta link ---------- */
.cta-link{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:13px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--ink);border-bottom:1px solid var(--signal);padding-bottom:5px;transition:gap .3s var(--ease)}
.cta-link:hover{gap:16px;color:var(--signal)}
.cta-link .arr{transition:transform .3s var(--ease)}
.cta-link:hover .arr{transform:translateX(3px)}

/* ---------- contact ---------- */
.contact{background:var(--ink);color:var(--paper);border:0}
.contact .lbl{color:#9a9a90}
.contact h2,.contact h1{font-weight:800;font-size:clamp(40px,7vw,110px);line-height:.9;letter-spacing:-.04em;text-transform:uppercase;margin:18px 0 40px}
.contact .card{border-top:1px solid #2c2c28;padding-top:28px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;align-items:end}
.contact .who b{display:block;font-weight:700;font-size:24px}
.contact .who span{color:#9a9a90;font-size:15px}
.contact a.mail{font-family:var(--mono);font-size:14px;border-bottom:1px solid var(--signal);padding-bottom:4px}
.contact a.mail:hover{color:var(--signal)}

/* contact page form */
.cform{display:grid;grid-template-columns:1fr;gap:0;border-top:1px solid #2c2c28}
@media(min-width:760px){.cform{grid-template-columns:1fr 1fr;gap:0 clamp(24px,4vw,56px)}}
.field{border-bottom:1px solid #2c2c28;padding:22px 0;display:flex;flex-direction:column;gap:10px}
.field--full{grid-column:1/-1}
.field label{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#9a9a90}
.field input,.field select,.field textarea{background:none;border:0;color:var(--paper);font-family:var(--sans);font-size:clamp(17px,1.8vw,21px);
  outline:none;width:100%;resize:none}
.field input::placeholder,.field textarea::placeholder{color:#5a5a54}
.field select option{color:var(--ink)}
.cform__submit{grid-column:1/-1;margin-top:32px;display:flex;justify-content:flex-start}
.btn{font-family:var(--mono);font-size:13px;letter-spacing:.08em;text-transform:uppercase;background:var(--signal);color:#fff;
  border:0;padding:18px 34px;border-radius:2px;cursor:pointer;display:inline-flex;align-items:center;gap:12px;transition:.25s var(--ease)}
.btn:hover{background:#fff;color:var(--ink)}

/* offices */
.offices{display:grid;grid-template-columns:1fr;gap:0;border-top:1px solid #2c2c28}
@media(min-width:680px){.offices{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1040px){.offices{grid-template-columns:repeat(4,1fr)}}
.office{padding:26px 0;border-bottom:1px solid #2c2c28}
.office b{display:block;font-weight:700;font-size:19px;margin-bottom:8px}
.office span{display:block;color:#9a9a90;font-size:14px;line-height:1.5}

/* ---------- footer ---------- */
.foot{background:var(--ink);color:var(--paper);padding-block:clamp(40px,5vw,64px)}
.foot__grid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px;align-items:start;padding-bottom:40px;border-bottom:1px solid #2c2c28}
.foot__brand{font-weight:800;font-size:24px;letter-spacing:-.02em;display:flex;align-items:center;gap:9px}
.foot__brand .dot{width:11px;height:11px;background:var(--signal);border-radius:50%}
.foot__brand .brand__logo{height:26px}
.foot__nav{display:flex;gap:clamp(28px,5vw,64px);flex-wrap:wrap}
.foot__col{display:flex;flex-direction:column;gap:12px}
.foot__col b{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#74746c;margin-bottom:4px}
.foot__col a{font-size:15px;color:#cfcfc7;transition:color .2s}
.foot__col a:hover{color:var(--signal)}
.foot__bar{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-top:28px;font-family:var(--mono);font-size:11.5px;color:#74746c;text-transform:uppercase;letter-spacing:.06em}

/* ---------- back link (dev / directions) ---------- */
.back{position:fixed;left:var(--gutter);bottom:18px;z-index:60;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  background:var(--ink);color:var(--paper);padding:9px 15px;border-radius:2px;white-space:nowrap}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:.8s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}