/* ADPT design system — paper white, ink, Klein blue */
:root{
  --ink:#0e0e11;
  --paper:#ffffff;
  --grey:#6e6e76;
  --grey-light:#9a9aa2;
  --line:#e8e8ec;
  --blue:#1c23e0;
  --blue-soft:rgba(28,35,224,.10);
  --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --font-mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  background:var(--paper);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  line-height:1.5;
}
a{color:inherit}
img{max-width:100%}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:2px}

.wrap{max-width:1080px;margin:0 auto;padding:0 24px}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:10;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1080px;margin:0 auto;padding:18px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{
  display:flex;align-items:center;gap:10px;
  text-decoration:none;font-weight:700;font-size:17px;letter-spacing:.08em;
}
.brand svg{display:block}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
  text-decoration:none;color:var(--grey);
  transition:color .15s ease;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a[aria-current="page"]{color:var(--blue)}
.nav-cta{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
  text-decoration:none;color:var(--ink)!important;
  border:1px solid var(--ink);border-radius:999px;padding:8px 16px;
  transition:background .18s ease,color .18s ease;
}
.nav-cta:hover{background:var(--ink);color:var(--paper)!important}

/* ---------- shared ---------- */
section{padding:110px 0}
.eyebrow{
  font-family:var(--font-mono);font-size:11px;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;color:var(--blue);
  margin-bottom:28px;
}
.section-title{
  font-size:clamp(1.9rem,3.6vw,2.7rem);
  letter-spacing:-.03em;font-weight:700;line-height:1.1;
  margin-bottom:36px;max-width:22ch;text-wrap:balance;
}
.prose{max-width:640px}
.prose p{font-size:18px;margin-bottom:1.2em}
.prose p:last-child{margin-bottom:0}
.prose strong{font-weight:600}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.hairline-top{border-top:1px solid var(--line)}

/* ---------- page hero (interior pages) ---------- */
.page-hero{padding:96px 0 72px}
.page-hero h1{
  font-size:clamp(2.4rem,6vw,4.4rem);
  letter-spacing:-.04em;font-weight:700;line-height:1.02;
  max-width:16ch;text-wrap:balance;
}
.page-hero .lede{margin-top:24px;max-width:560px;font-size:19px;line-height:1.55;color:var(--grey)}

/* ---------- home hero ---------- */
.hero{padding:96px 0 80px}
.hero h1{
  font-size:clamp(2.9rem,8.4vw,6.8rem);
  line-height:.98;letter-spacing:-.045em;font-weight:700;
  max-width:14ch;
}
.hero h1 .dim{color:var(--grey-light)}
.hero .lede{margin-top:32px;max-width:560px;font-size:20px;line-height:1.55;color:var(--grey)}
.hero .lede b{color:var(--ink);font-weight:600}

/* ---------- gap chart ---------- */
.gap-chart{margin-top:72px}
.gap-chart svg{width:100%;height:auto;display:block;overflow:visible}
.curve{fill:none;stroke-width:2.5;vector-effect:non-scaling-stroke;stroke-linecap:round}
.curve.ai{stroke:var(--ink)}
.curve.adopt{stroke:var(--blue)}
.gap-fill{fill:var(--blue);opacity:0;transition:opacity .9s ease}
.gap-fill.on{opacity:.09}
.svg-label{font-family:var(--font-mono);font-size:13px;letter-spacing:.04em;fill:var(--grey)}
.svg-label.blue{fill:var(--blue)}
.svg-label.ink{fill:var(--ink)}
.baseline{stroke:var(--line);stroke-width:1;vector-effect:non-scaling-stroke}
.chart-foot{margin-top:20px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.chart-caption{font-family:var(--font-mono);font-size:12px;color:var(--grey);letter-spacing:.02em}
.gap-toggle{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.05em;
  background:var(--paper);color:var(--blue);
  border:1px solid var(--blue);border-radius:999px;padding:9px 18px;
  cursor:pointer;transition:background .18s ease,color .18s ease;
}
.gap-toggle:hover{background:var(--blue);color:var(--paper)}
.chart-legend{display:none;gap:20px;font-family:var(--font-mono);font-size:12px;color:var(--grey)}
.chart-legend span{display:flex;align-items:center;gap:7px}
.chart-legend i{width:14px;height:2.5px;border-radius:2px;display:inline-block}
.chart-legend .l-ai i{background:var(--ink)}
.chart-legend .l-adopt i{background:var(--blue)}

/* ---------- services ---------- */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:48px;margin-top:8px}
.service .num{
  font-family:var(--font-mono);font-size:12px;color:var(--blue);
  letter-spacing:.1em;display:block;margin-bottom:18px;
}
.service h3{font-size:22px;letter-spacing:-.02em;font-weight:650;margin-bottom:12px}
.service h3 a{text-decoration:none}
.service h3 a:hover{color:var(--blue)}
.service p{font-size:15.5px;color:var(--grey);line-height:1.6}
.service .then{
  display:block;margin-top:18px;font-family:var(--font-mono);
  font-size:11px;letter-spacing:.08em;color:var(--grey-light);
}

/* services page: detailed blocks */
.svc-block{
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:56px;
  padding:64px 0;border-top:1px solid var(--line);
}
.svc-block:first-of-type{border-top:none;padding-top:24px}
.svc-block .num{font-family:var(--font-mono);font-size:12px;color:var(--blue);letter-spacing:.1em;display:block;margin-bottom:16px}
.svc-block h2{font-size:clamp(1.5rem,3vw,2rem);letter-spacing:-.025em;font-weight:700;margin-bottom:16px}
.svc-block .svc-body p{font-size:16.5px;color:var(--grey);line-height:1.65;margin-bottom:1em}
.svc-aside h3{
  font-family:var(--font-mono);font-size:11px;font-weight:500;letter-spacing:.14em;
  text-transform:uppercase;color:var(--grey);margin-bottom:14px;
}
.svc-aside ul{list-style:none;margin-bottom:26px}
.svc-aside li{
  font-size:15px;padding:9px 0 9px 22px;position:relative;
  border-bottom:1px solid var(--line);color:var(--ink);
}
.svc-aside li::before{content:"→";position:absolute;left:0;color:var(--blue);font-family:var(--font-mono);font-size:13px}
.svc-aside .duration{font-family:var(--font-mono);font-size:12.5px;color:var(--grey);letter-spacing:.03em}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:36px;counter-reset:step}
.step{counter-increment:step}
.step::before{
  content:"0" counter(step);
  font-family:var(--font-mono);font-size:12px;color:var(--blue);letter-spacing:.1em;
  display:block;margin-bottom:12px;
}
.step h3{font-size:16.5px;font-weight:650;margin-bottom:8px;letter-spacing:-.01em}
.step p{font-size:14.5px;color:var(--grey);line-height:1.55}

/* FAQ */
.faq{max-width:720px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  cursor:pointer;list-style:none;position:relative;
  padding:22px 40px 22px 0;font-size:17px;font-weight:600;letter-spacing:-.01em;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);
  font-family:var(--font-mono);font-size:18px;color:var(--blue);transition:transform .2s ease;
}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq .faq-a{padding:0 0 24px;font-size:15.5px;color:var(--grey);line-height:1.65;max-width:60ch}

/* ---------- vignettes ---------- */
.vignettes{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.vignette{background:var(--paper);padding:32px 28px}
.vignette .tag{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--grey-light);display:block;margin-bottom:14px;
}
.vignette h3{font-size:17px;font-weight:650;letter-spacing:-.01em;margin-bottom:10px}
.vignette p{font-size:14.5px;color:var(--grey);line-height:1.6}

/* ---------- experience ---------- */
.exp-note{font-size:15px;color:var(--grey);max-width:560px;margin-bottom:12px}
.exp-row{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:34px 0;border-bottom:1px solid var(--line);flex-wrap:wrap;
}
.exp-row:first-of-type{border-top:1px solid var(--line);margin-top:28px}
.exp-name{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:650;letter-spacing:-.025em}
.exp-logo{display:block;width:auto}
.exp-desc{font-family:var(--font-mono);font-size:12.5px;color:var(--grey);letter-spacing:.03em}

/* ---------- founders / team ---------- */
.founders{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:8px}
.founder h3{font-size:22px;font-weight:650;letter-spacing:-.02em}
.founder .role{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--grey-light);display:block;margin-bottom:6px;
}
.founder .school{
  font-family:var(--font-mono);font-size:12px;color:var(--blue);
  letter-spacing:.06em;margin:8px 0 14px;
}
.founder p{font-size:15.5px;color:var(--grey);line-height:1.6}
.founder-card{border-top:2px solid var(--ink);padding-top:24px}

/* ---------- contact form ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:72px}
.form-field{margin-bottom:26px}
.form-field label{
  display:block;font-family:var(--font-mono);font-size:11px;font-weight:500;
  letter-spacing:.14em;text-transform:uppercase;color:var(--grey);margin-bottom:10px;
}
.form-field input,.form-field textarea,.form-field select{
  width:100%;font-family:var(--font-sans);font-size:16px;color:var(--ink);
  background:var(--paper);border:1px solid var(--line);border-radius:8px;
  padding:13px 14px;transition:border-color .15s ease;
  -webkit-appearance:none;appearance:none;
}
.form-field select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%236e6e76' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
}
.form-field textarea{min-height:140px;resize:vertical;line-height:1.55}
.form-field input:focus,.form-field textarea:focus,.form-field select:focus{
  outline:none;border-color:var(--blue);
}
.form-field input::placeholder,.form-field textarea::placeholder{color:var(--grey-light)}
.form-submit{
  display:inline-block;background:var(--ink);color:var(--paper);border:none;cursor:pointer;
  font-family:var(--font-sans);font-size:16px;font-weight:600;letter-spacing:-.01em;
  padding:15px 32px;border-radius:999px;transition:background .18s ease,transform .18s ease;
}
.form-submit:hover{background:var(--blue);transform:translateY(-1px)}
.form-note{margin-top:16px;font-family:var(--font-mono);font-size:12px;color:var(--grey);letter-spacing:.02em}
.contact-aside h3{
  font-family:var(--font-mono);font-size:11px;font-weight:500;letter-spacing:.14em;
  text-transform:uppercase;color:var(--grey);margin-bottom:14px;
}
.contact-aside p{font-size:15px;color:var(--grey);line-height:1.65;margin-bottom:22px}
.contact-aside a{color:var(--blue);text-decoration:none}
.contact-aside a:hover{text-decoration:underline}

/* ---------- CTA band ---------- */
.cta{border-top:1px solid var(--line);padding:140px 0}
.cta h2{font-size:clamp(2.6rem,7vw,5.4rem);letter-spacing:-.045em;font-weight:700;line-height:1}
.cta h2 .dot{color:var(--blue)}
.cta p{margin-top:24px;font-size:18px;color:var(--grey);max-width:520px}
.cta-btn{
  display:inline-block;margin-top:40px;
  background:var(--ink);color:var(--paper);text-decoration:none;
  font-size:16px;font-weight:600;letter-spacing:-.01em;
  padding:16px 32px;border-radius:999px;
  transition:background .18s ease,transform .18s ease;
}
.cta-btn:hover{background:var(--blue);transform:translateY(-1px)}
.cta-email{display:block;margin-top:18px;font-family:var(--font-mono);font-size:12.5px;color:var(--grey);letter-spacing:.03em}
.cta-email a{color:var(--grey)}

/* ---------- footer ---------- */
footer{
  border-top:1px solid var(--line);padding:36px 0;
  font-family:var(--font-mono);font-size:11.5px;color:var(--grey);letter-spacing:.04em;
}
.foot-inner{
  max-width:1080px;margin:0 auto;padding:0 24px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
}
.foot-links{display:flex;gap:22px}
.foot-links a{text-decoration:none;color:var(--grey)}
.foot-links a:hover{color:var(--ink)}

/* ---------- responsive ---------- */
@media (max-width:820px){
  section{padding:80px 0}
  .services,.founders{grid-template-columns:1fr;gap:40px}
  .svc-block{grid-template-columns:1fr;gap:32px;padding:48px 0}
  .steps{grid-template-columns:1fr 1fr;gap:28px}
  .vignettes{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr;gap:48px}
}
@media (max-width:640px){
  .svg-label{display:none}
  .chart-legend{display:flex}
  .hero{padding:64px 0 56px}
  .page-hero{padding:64px 0 48px}
  .gap-chart{margin-top:48px}
  .exp-row{flex-direction:column;gap:12px;align-items:flex-start}
  .steps,.vignettes{grid-template-columns:1fr}
  .nav-inner{flex-wrap:wrap;padding:14px 24px}
  .nav-links{gap:14px}
  .nav-links a{font-size:11px}
  .nav-cta{padding:7px 12px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .gap-fill{transition:none}
  *{animation:none!important}
}