/* Arctiq — Evidence Atlas website
   Colors, type and surfaces from arctiq-brand-kit/BRAND_DESIGN.md + tokens.css
   Only Ink Navy, Mineral Beige and Paper. No third accent hue. */

:root{
  --ink:#17324D;
  --mineral:#DDD2BD;
  --paper:#F7F5EF;
  --ink-70:rgba(23,50,77,.70);
  --ink-45:rgba(23,50,77,.45);
  --ink-35:rgba(23,50,77,.35);
  --ink-18:rgba(23,50,77,.18);
  --ink-12:rgba(23,50,77,.12);
  --ink-06:rgba(23,50,77,.06);
  --mineral-70:rgba(221,210,189,.70);
  --mineral-35:rgba(221,210,189,.35);
  --paper-2:#efece2;
  --sans:"Manrope","Avenir Next","Helvetica Neue",Arial,sans-serif;
  --mono:"IBM Plex Mono","SFMono-Regular",Consolas,monospace;
  --r-sm:8px; --r-md:12px; --r-lg:16px;
  --shadow-window:0 18px 55px rgba(23,50,77,.14);
  --hair:1px solid var(--ink-35);
  --maxw:1200px;
  --navh:74px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-weight:400;font-size:16px;line-height:1.55;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none}
::selection{background:var(--mineral);color:var(--ink)}

a:focus-visible,button:focus-visible,label:focus-visible,input:focus-visible{
  outline:2px solid var(--ink);outline-offset:3px;border-radius:2px;
}

.skip{position:absolute;left:-9999px;top:10px;z-index:100;background:var(--ink);color:var(--paper);
  padding:10px 16px;border-radius:var(--r-sm);font-size:14px;font-weight:500}
.skip:focus{left:10px}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 48px}
@media(max-width:720px){.wrap{padding:0 22px}}

h1,h2,h3,h4{font-weight:500;letter-spacing:-.02em;line-height:1.1;margin:0}
h1{font-size:clamp(36px,5.6vw,64px);line-height:1.04;font-weight:500}
h2{font-size:clamp(27px,3.6vw,42px);line-height:1.12}
h3{font-size:21px;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

.eyebrow{
  font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.22em;
  text-transform:uppercase;color:var(--ink-45);
}
.lead{font-size:clamp(17px,1.6vw,20px);line-height:1.5;color:var(--ink-70);max-width:46ch}
.muted{color:var(--ink-70)}
.small{font-size:14px}

/* qualification line under hero CTAs */
.qualify{font-family:var(--mono);font-size:12px;line-height:1.7;letter-spacing:.02em;
  color:var(--ink-45);margin-top:20px;max-width:54ch}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:40;background:rgba(247,245,239,.88);
  backdrop-filter:saturate(120%) blur(8px);border-bottom:1px solid var(--ink-12);
}
.nav__in{display:flex;align-items:center;gap:28px;height:var(--navh)}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand svg{width:34px;height:auto;display:block}
.brand .wm{font-size:23px;letter-spacing:-.03em;font-weight:500}
.brand .desc{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-45);border-left:1px solid var(--ink-18);padding-left:12px;margin-left:2px;white-space:nowrap}
.nav__links{display:flex;gap:24px;margin-left:auto;align-items:center}
.nav__links a:not(.btn){font-size:15px;color:var(--ink-70)}
.nav__links a:not(.btn):hover,.nav__links a:not(.btn).active{color:var(--ink)}
.nav__links a:not(.btn).active{box-shadow:0 2px 0 0 var(--ink)}
.nav__links a.btn--primary{color:var(--paper)}
.nav__links a.btn--primary:hover{color:var(--paper)}
@media(max-width:1020px){.brand .desc{display:none}}

/* mobile menu (no JS: checkbox toggle) */
.nav__check{position:absolute;opacity:0;pointer-events:none}
.nav__burger{display:none;width:42px;height:42px;border:1px solid var(--ink-18);border-radius:var(--r-sm);
  align-items:center;justify-content:center;cursor:pointer;margin-left:auto;flex:0 0 auto;background:var(--paper)}
.nav__burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:background .15s ease}
.nav__burger span::before,.nav__burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .18s ease,top .18s ease,bottom .18s ease}
.nav__burger span::before{top:-6px}
.nav__burger span::after{bottom:-6px}
.nav__check:checked ~ .nav__burger span{background:transparent}
.nav__check:checked ~ .nav__burger span::before{top:0;transform:rotate(45deg)}
.nav__check:checked ~ .nav__burger span::after{bottom:0;transform:rotate(-45deg)}
@media(max-width:780px){
  .nav__burger{display:flex}
  .nav__links{
    display:none;position:absolute;top:var(--navh);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;margin:0;
    background:var(--paper);border-bottom:1px solid var(--ink-12);
    padding:8px 22px 20px;box-shadow:0 26px 44px rgba(23,50,77,.10);
  }
  .nav__check:checked ~ .nav__links{display:flex}
  .nav__links a:not(.btn){padding:13px 2px;font-size:16px;border-top:1px solid var(--ink-06)}
  .nav__links a:not(.btn):first-child{border-top:0}
  .nav__links a:not(.btn).active{box-shadow:none;font-weight:500;color:var(--ink)}
  .nav__links .btn{margin-top:14px;justify-content:center}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;font-size:15px;font-weight:500;
  padding:12px 20px;border-radius:var(--r-sm);border:1px solid var(--ink);cursor:pointer;
  transition:transform .12s ease,background .15s ease,color .15s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn--primary{background:var(--ink);color:var(--paper)}
.btn--primary:hover{background:#0f2439}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink-35)}
.btn--ghost:hover{border-color:var(--ink)}
.btn .arw{font-family:var(--mono);font-size:15px}
.btn--sm{padding:10px 16px;font-size:14px}
.btn--onDark{border-color:rgba(247,245,239,.4);color:var(--paper)}
.btn--onDark.btn--primary{background:var(--paper);color:var(--ink);border-color:var(--paper)}

/* ---------- sections ---------- */
.band{padding:clamp(72px,11vw,140px) 0}
.band--tight{padding:clamp(56px,8vw,96px) 0}
.rule{height:1px;background:var(--ink-12);border:0;margin:0}

/* ---------- hero ---------- */
.hero{padding:clamp(48px,7vw,92px) 0 clamp(64px,9vw,120px)}
.hero__grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.hero__copy .eyebrow{margin-bottom:22px}
.hero__copy h1{margin-bottom:22px}
.hero__cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.hero__art{position:relative;min-height:432px}
.hero__art .painting{
  position:absolute;inset:0;z-index:0;border-radius:20px;
  object-fit:cover;width:100%;height:100%;opacity:1;
  box-shadow:0 34px 90px rgba(23,50,77,.22);
}
.hero__art .window:not(.gapcard){position:relative;z-index:2;margin:28px 92px 112px 28px}
.hero__art .gapcard{position:absolute;z-index:3;right:18px;bottom:60px;width:min(288px,58%)}
.hero__art .omap__row{padding:9px 0}
.hero__art .cell{font-size:13px}
.hero__art .cell.mono{font-size:11.5px}
@media(max-width:940px){
  .hero__grid{grid-template-columns:1fr;gap:56px}
  .hero__art{min-height:0}
  .hero__art .painting{position:relative;inset:auto;width:100%;height:auto;aspect-ratio:16/10;border-radius:16px}
  .hero__art .window:not(.gapcard){margin:-48px 12px 0 12px}
  .hero__art .gapcard{position:relative;right:auto;bottom:auto;width:100%;margin-top:14px}
}
@media(max-width:520px){
  .hero__art .window:not(.gapcard){margin:-32px 6px 0 6px}
}

/* ---------- evidence window ---------- */
.window{
  background:var(--paper);border:1px solid var(--ink-35);border-radius:var(--r-md);
  box-shadow:var(--shadow-window);overflow:hidden;
}
.window__bar{
  display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--ink-12);
  background:linear-gradient(var(--paper),var(--paper));
}
.window__dot{width:9px;height:9px;border-radius:50%;background:var(--ink-18);flex:0 0 auto}
.window__title{font-size:14px;font-weight:500;white-space:nowrap}
.window__meta{font-family:var(--mono);font-size:11px;color:var(--ink-45);margin-left:2px}
.window__bar .pill{margin-left:auto}
.window__body{padding:20px 20px 22px}
@media(max-width:520px){.window__meta{display:none}}

.pill{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.04em;padding:4px 9px;border-radius:999px;
  border:1px solid var(--ink-35);color:var(--ink-70);white-space:nowrap;
}
.pill--verified{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.pill--caveat{background:var(--mineral);color:var(--ink);border-color:transparent}

/* outcome map */
.omap{display:grid;gap:2px}
.omap__head,.omap__row{display:grid;grid-template-columns:1.2fr 1fr 1.1fr;gap:14px;align-items:center}
.omap__head{padding:0 0 10px;border-bottom:1px solid var(--ink-12);margin-bottom:10px}
.omap__head span{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-45)}
.omap__row{padding:11px 0;border-bottom:1px solid var(--ink-06)}
.omap__row:last-child{border-bottom:0}
.cell{display:flex;align-items:center;gap:9px;font-size:13.5px;min-width:0}
.cell.mono{font-family:var(--mono);font-size:12px;color:var(--ink-70)}
.cell .val{margin-left:auto;font-family:var(--mono);font-size:11px;color:var(--ink-45)}
@media(max-width:520px){
  .omap__head,.omap__row{grid-template-columns:1.3fr 1fr;gap:10px}
  .omap__head span:nth-child(2),.omap__row .cell:nth-child(2){display:none}
}

/* diagram nodes */
.node{width:12px;height:12px;border-radius:50%;flex:0 0 auto}
.node.observed{border:2px solid var(--ink);background:transparent}
.node.verified{background:var(--ink)}
.state.final{width:11px;height:11px;background:var(--ink);border-radius:2px;flex:0 0 auto}
.dot.mineral{width:9px;height:9px;border-radius:50%;background:var(--mineral);flex:0 0 auto}

/* flow: the customer asked -> the agent did -> the system recorded */
.flow{display:flex;align-items:stretch;gap:12px;flex-wrap:nowrap;margin:10px 0 0}
.flow-item{display:flex;align-items:center;gap:12px;background:var(--paper);border:1px solid var(--ink-12);
  border-radius:10px;padding:13px 16px;flex:1 1 0;min-width:0}
.flow-item .node,.flow-item .state{margin-top:0}
.flow-item .k{font-family:var(--mono);font-size:10.5px;color:var(--ink-45);display:block;letter-spacing:.04em;line-height:1.2}
.flow-item b{font-size:15px;font-weight:500;display:block;line-height:1.25}
.flow-arrow{display:flex;align-items:center;justify-content:center;font-family:var(--mono);
  color:var(--ink-35);font-size:18px;flex:0 0 auto}
@media(max-width:680px){.flow{flex-direction:column}.flow-arrow{transform:rotate(90deg);height:16px}}

/* ---------- generic cards ---------- */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:1fr 1fr}
.g3{grid-template-columns:repeat(3,1fr)}
@media(max-width:860px){.g2,.g3{grid-template-columns:1fr}}
.card{background:var(--paper);border:1px solid var(--ink-18);border-radius:var(--r-md);padding:26px}
.card--tint{background:var(--mineral-35);border-color:transparent}
.card h3{margin-bottom:8px}
.card p{color:var(--ink-70);font-size:15px}
.card .eyebrow{margin-bottom:14px}
.card ul{margin:10px 0 0;padding-left:0;list-style:none}
.card ul li{position:relative;padding-left:20px;margin:8px 0;font-size:14.5px;color:var(--ink-70)}
.card ul li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;border:1.5px solid var(--ink-45)}
.card ul.done li::before{background:var(--ink);border-color:var(--ink)}
.card ul.no li::before{border-radius:2px}

/* clickable card (services teaser) */
a.card{display:block;transition:transform .12s ease,border-color .15s ease,box-shadow .15s ease}
a.card:hover{transform:translateY(-2px);border-color:var(--ink-45);box-shadow:0 14px 40px rgba(23,50,77,.10)}

/* real-world case cards */
.case-date{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--ink-45);display:block;margin-bottom:12px}
.card .lesson{margin-top:14px;font-size:14.5px;color:var(--ink);font-weight:500;line-height:1.45}
.card .src{display:inline-block;margin-top:14px;font-family:var(--mono);font-size:12px;color:var(--ink-70);
  border-bottom:1px solid var(--ink-35);padding-bottom:1px}
.card .src:hover{color:var(--ink);border-color:var(--ink)}

/* inline "see more" link */
.morelink{display:inline-flex;align-items:center;gap:8px;font-weight:500;margin-top:26px;
  border-bottom:1px solid var(--ink-35);padding-bottom:2px}
.morelink:hover{border-color:var(--ink)}
.morelink .arw{font-family:var(--mono)}

/* numbered steps */
.steps{display:grid;gap:2px}
.step-row{display:grid;grid-template-columns:64px 1fr;gap:22px;padding:24px 0;border-top:1px solid var(--ink-12);align-items:baseline}
.step-row:last-child{border-bottom:1px solid var(--ink-12)}
.step-row .n{font-family:var(--mono);font-size:14px;color:var(--ink-45)}
.step-row h3{margin-bottom:6px}
.step-row p{color:var(--ink-70);font-size:15px;max-width:60ch}
@media(max-width:520px){.step-row{grid-template-columns:40px 1fr;gap:14px}}

/* dark / reversed band */
.dark{position:relative;color:var(--paper);overflow:hidden;background:var(--ink)}
.dark .bg{position:absolute;inset:0;z-index:0;width:100%;height:100%;object-fit:cover;opacity:.40}
.dark::before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(180deg,rgba(20,42,64,.88),rgba(20,42,64,.60) 52%,rgba(20,42,64,.86));}
.dark .wrap{position:relative;z-index:2}
.dark h2,.dark h3{color:var(--paper)}
.dark .eyebrow{color:rgba(247,245,239,.6)}
.dark .lead,.dark p{color:rgba(247,245,239,.82)}
.dark .rule{background:rgba(247,245,239,.16)}
.dark .step-row{border-color:rgba(247,245,239,.18)}
.dark .step-row .n{color:rgba(247,245,239,.6)}
.dark .window{background:rgba(247,245,239,.97)}

/* ---------- stage: clear painting panel with floating objects ---------- */
.stage{position:relative;border-radius:22px;overflow:hidden;isolation:isolate;
  box-shadow:0 34px 90px rgba(23,50,77,.22);min-height:360px;display:flex}
.stage__art{position:absolute;inset:0;z-index:0;width:100%;height:100%;object-fit:cover}
.stage__inner{position:relative;z-index:2;display:grid;gap:20px;width:100%;
  padding:clamp(20px,4vw,52px)}
.stage--left .stage__inner{grid-template-columns:minmax(0,min(480px,80%));justify-content:start}
.stage--right .stage__inner{grid-template-columns:minmax(0,min(480px,80%));justify-content:end}
.stage--center .stage__inner{grid-template-columns:minmax(0,min(640px,90%));justify-content:center;text-align:center;align-content:center}
.stage--tall{min-height:460px}
@media(max-width:720px){
  .stage,.stage--tall{min-height:0}
  .stage__inner,.stage--left .stage__inner,.stage--right .stage__inner,.stage--center .stage__inner{grid-template-columns:1fr;justify-content:stretch}
}

/* a floating paper object that sits over a painting */
.float{background:var(--paper);border:1px solid var(--ink-18);border-radius:var(--r-md);
  padding:26px 28px;box-shadow:0 22px 60px rgba(23,50,77,.24)}
.float .eyebrow{margin-bottom:12px}
.float h2,.float h3{margin-bottom:10px}
.float p{color:var(--ink-70)}
.float--glass{background:rgba(247,245,239,.9);backdrop-filter:blur(3px)}
@media(max-width:720px){.float{padding:22px 20px}}

/* numbered moves inside a float */
.moves{display:grid;gap:2px;margin-top:6px}
.move{display:grid;grid-template-columns:34px 1fr;gap:14px;padding:14px 0;border-top:1px solid var(--ink-12);align-items:baseline}
.move:first-child{border-top:0}
.move .n{font-family:var(--mono);font-size:13px;color:var(--ink-45)}
.move h4{font-size:16px;font-weight:500;margin-bottom:3px}
.move p{font-size:14px;color:var(--ink-70)}

/* section head */
.sec-head{max-width:60ch;margin-bottom:44px}
.sec-head .eyebrow{margin-bottom:16px}
.sec-head p{color:var(--ink-70);margin-top:14px;font-size:17px}
@media(max-width:720px){.sec-head{margin-bottom:32px}}

/* page hero (inner pages) */
.page-hero h1{margin:16px 0 18px;font-size:clamp(32px,4.6vw,52px)}

/* price */
.price{font-family:var(--mono);font-size:20px;font-weight:500;margin:14px 0 2px}
.price small{font-size:12px;color:var(--ink-45);font-weight:400}
.tag{display:inline-block;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-45);border:1px solid var(--ink-18);border-radius:999px;padding:3px 10px;margin-bottom:14px}
.card--lead{border:1.5px solid var(--ink);box-shadow:var(--shadow-window)}

/* lens chips */
.lenses{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:860px){.lenses{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.lenses{grid-template-columns:1fr}}
.lens{border:1px solid var(--ink-18);border-radius:var(--r-sm);padding:16px 16px 18px;background:var(--paper)}
.lens .k{font-family:var(--mono);font-size:11px;color:var(--ink-45);display:block;margin-bottom:8px}
.lens h4{font-size:16px;font-weight:500;margin-bottom:5px}
.lens p{font-size:13px;color:var(--ink-70);line-height:1.45}
.lens ul{list-style:none;padding:0;margin:12px 0 0}
.lens ul li{position:relative;padding-left:16px;font-size:12.5px;color:var(--ink-70);margin:6px 0;line-height:1.42}
.lens ul li::before{content:"";position:absolute;left:0;top:7px;width:5px;height:5px;border-radius:50%;background:var(--ink-35)}
.lens--star{border-color:var(--ink);border-width:1.5px}
.lens--star ul li::before{background:var(--ink)}

/* callout / honesty note */
.note{border-left:2px solid var(--ink-35);padding:4px 0 4px 22px;color:var(--ink-70);font-size:15px;max-width:70ch}

/* plain list (what-this-is-not) */
.plainlist{list-style:none;padding:0;margin:16px 0 0}
.plainlist li{position:relative;padding-left:20px;margin:8px 0;color:var(--ink-70);font-size:15px}
.plainlist li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;border:1.5px solid var(--ink-45)}

/* CTA band */
.cta-band{text-align:center}
.cta-band h2{max-width:20ch;margin:0 auto 10px}
.cta-band .row{display:flex;gap:14px;justify-content:center;margin-top:26px;flex-wrap:wrap}
.row{display:flex;gap:14px;flex-wrap:wrap}

/* footer */
.foot{background:var(--paper-2);border-top:1px solid var(--ink-12);padding:56px 0 40px}
.foot__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.foot .brand .wm{font-size:20px}
.foot h5{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-45);margin:0 0 14px;font-weight:500}
.foot a{display:block;color:var(--ink-70);font-size:14.5px;margin:8px 0}
.foot a:hover{color:var(--ink)}
.foot__note{margin-top:40px;padding-top:22px;border-top:1px solid var(--ink-12);color:var(--ink-45);font-size:12.5px;line-height:1.6;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
@media(max-width:820px){.foot__grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.foot__grid{grid-template-columns:1fr}}

/* waitlist signup */
.signup{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.signup--center{justify-content:center}
.signup input[type=email]{flex:1 1 220px;max-width:340px;padding:12px 16px;font-family:var(--sans);font-size:15px;
  color:var(--ink);background:var(--paper);border:1px solid var(--ink-35);border-radius:var(--r-sm)}
.signup input[type=email]::placeholder{color:var(--ink-45)}
.signup input[type=email]:focus{outline:2px solid var(--ink);outline-offset:2px;border-color:var(--ink)}
.signup .btn{flex:0 0 auto}
.signup-note{font-size:12.5px;color:var(--ink-45);margin-top:12px;line-height:1.6}
.signup-note a{border-bottom:1px solid var(--ink-35)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* legal / long-form prose pages */
.prose{max-width:72ch}
.prose h2{font-size:22px;letter-spacing:-.01em;margin:40px 0 10px}
.prose h2:first-of-type{margin-top:0}
.prose h3{font-size:17px;margin:26px 0 8px}
.prose p{color:var(--ink-70);font-size:15px;line-height:1.65;margin:10px 0}
.prose ul{padding-left:20px;margin:10px 0}
.prose li{color:var(--ink-70);font-size:15px;line-height:1.6;margin:6px 0}
.prose .meta{font-family:var(--mono);font-size:12px;color:var(--ink-45)}

/* small helper */
.hr-dot{display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--ink-35);margin:0 10px;vertical-align:middle}
.placeholder{font-family:var(--mono);font-size:11px;color:var(--ink-45);border:1px dashed var(--ink-35);border-radius:6px;padding:3px 8px;display:inline-block}