/* Local Logic Management — "Aperture" design system (Oct 2026)
   Cool paper + cobalt, Swiss technical-drawing language.
   The previous design lives untouched in styles.css / classic/. */

:root{
  --paper:#F3F4F6;
  --white:#FFFFFF;
  --ink:#0D1117;
  --soft:#4B5260;
  --line:#D5D8DE;
  --grid:#E4E6EA;
  --cobalt:#1F3BFF;
  --cobalt-deep:#1830D6;
  --cobalt-bright:#8C9BFF;
  --signal:#FF4A1C;
  --night:#0D1117;
  --night-line:#2B313B;
  --night-soft:#B7BDC8;
  --night-faint:#9AA1AE;
  --bg:var(--paper);
  --f-display:'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --f-mono:'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --max:1320px;
}

*,*::before,*::after{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(--f-display);font-size:17px;line-height:1.55;
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:48px 48px;
}
img,svg{max-width:100%}
a{color:inherit;text-decoration:none}
a:hover{color:var(--cobalt)}
:focus-visible{outline:2px solid var(--cobalt);outline-offset:3px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.mono{font-family:var(--f-mono);font-size:12px;letter-spacing:.04em;text-transform:uppercase}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;z-index:100;background:var(--ink);color:#fff;padding:10px 14px}

/* ---------- Header ---------- */
.site-head{position:sticky;top:0;z-index:50;background:rgba(243,244,246,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--ink)}
.site-head .wrap{display:flex;align-items:stretch;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;padding:16px 24px 16px 0;border-right:1px solid var(--ink);font-weight:700;font-stretch:112%;letter-spacing:.02em;text-transform:uppercase;font-size:14px}
.brand:hover{color:var(--ink)}
.brand svg{width:24px;height:24px;flex:none}
.nav{display:flex;flex:1 1 auto;font-family:var(--f-mono);font-size:12px;text-transform:uppercase;letter-spacing:.04em}
.nav a{display:flex;align-items:center;padding:18px 18px;border-right:1px solid var(--line)}
.nav a:last-child{border-right:0}
.nav a[aria-current="page"]{color:var(--cobalt)}
.head-cta{display:flex}
.head-cta a{display:flex;align-items:center;padding:0 20px;font-family:var(--f-mono);font-size:12px;text-transform:uppercase;letter-spacing:.04em}
.head-cta .login{border-left:1px solid var(--ink)}
.head-cta .book{background:var(--cobalt);color:#fff}
.head-cta .book:hover{background:var(--cobalt-deep);color:#fff}
.nav-toggle{display:none;margin-left:auto;background:none;border:0;border-left:1px solid var(--ink);font-family:var(--f-mono);font-size:12px;text-transform:uppercase;padding:0 20px;min-height:52px;cursor:pointer;color:var(--ink)}
@media (max-width:1040px){
  .nav-toggle{display:block}
  .nav,.head-cta{display:none;flex-basis:100%}
  .site-head.open .nav{display:flex;flex-direction:column;border-top:1px solid var(--ink)}
  .site-head.open .nav a{border-right:0;border-bottom:1px solid var(--line);padding:16px 0}
  .site-head.open .head-cta{display:flex;padding:16px 0;gap:10px}
  .site-head.open .head-cta a{padding:14px 18px;border:1px solid var(--ink)}
  .brand{border-right:0}
}

/* ---------- Shared type ---------- */
.sheet-bar{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 16px;font-family:var(--f-mono);font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--soft);border-bottom:1px solid var(--ink);padding-bottom:12px}
.dark .sheet-bar{color:var(--night-faint);border-color:var(--night-line)}
.display{font-weight:800;font-stretch:125%;text-transform:uppercase;letter-spacing:-.03em;line-height:.88;margin:0}
.h-xl{font-size:clamp(52px,10.5vw,168px);line-height:.86;letter-spacing:-.035em}
.h-lg{font-size:clamp(40px,6vw,88px)}
.h-md{font-size:clamp(32px,4.4vw,60px)}
.accent{color:var(--cobalt)}
.dot{color:var(--signal)}
.lede{font-size:21px;line-height:1.45;max-width:560px;margin:0}
.btn{display:inline-flex;align-items:center;gap:8px;padding:18px 26px;font-weight:600;font-stretch:110%;text-transform:uppercase;font-size:14px;letter-spacing:.02em;border:1px solid var(--ink);min-height:48px;cursor:pointer;font-family:var(--f-display)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:var(--cobalt);border-color:var(--cobalt);color:#fff}
.btn-line{background:transparent;color:var(--ink)}
.btn-line:hover{background:var(--white);color:var(--ink)}
.btn-white{background:#fff;color:var(--ink);border-color:#fff}
.btn-white:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-row{display:flex;flex-wrap:wrap}

section{scroll-margin-top:64px}
.sec{padding:96px 0}
.dark{background:var(--night);color:var(--paper)}
.dark a:hover{color:var(--cobalt-bright)}

/* ---------- Hero ---------- */
.hero{padding-top:56px}
.hero h1{margin-top:32px}
.hero-body{display:flex;flex-wrap:wrap;gap:40px;align-items:flex-start;padding:40px 0 96px}
.hero-copy{flex:1 1 360px;min-width:0;display:flex;flex-direction:column;gap:28px;padding-top:12px}
.spec{margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--ink);font-size:15px}
.spec div{padding:14px 0;border-bottom:1px solid var(--line)}
.spec div:nth-child(even){padding-left:16px;border-left:1px solid var(--line)}
.spec dt{font-family:var(--f-mono);font-size:11px;text-transform:uppercase;color:var(--soft)}
.spec dd{margin:6px 0 0}
.fig{flex:1.4 1 520px;min-width:0;margin:0;background:var(--white);border:1px solid var(--ink)}
.fig svg{display:block;width:100%;height:auto}
.fig .spin{transform-origin:300px 230px;animation:ap-spin 120s linear infinite}
@keyframes ap-spin{to{transform:rotate(360deg)}}

/* ---------- About ---------- */
.about{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:48px;margin-top:40px}
.about p{margin:0 0 18px;max-width:620px}
.pull{font-weight:800;font-stretch:118%;text-transform:uppercase;font-size:clamp(28px,3.4vw,44px);line-height:.95;letter-spacing:-.02em;margin:0}
.locs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--ink);margin-top:28px}
.locs div{padding:16px 16px 16px 0;border-bottom:1px solid var(--line)}
.locs div+div{padding-left:16px;border-left:1px solid var(--line)}
.locs b{display:block;font-stretch:112%;text-transform:uppercase}
.locs span{color:var(--soft);font-size:15px}

/* ---------- Disciplines ---------- */
.disc{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.disc > div{padding:36px 28px 36px 0;border-bottom:1px solid var(--night-line)}
.disc .n{font-size:72px;font-weight:800;font-stretch:125%;color:var(--cobalt-bright);line-height:1}
.disc h3{margin:20px 0 10px;font-size:26px;font-weight:700;font-stretch:112%;text-transform:uppercase;line-height:1.05}
.disc p{margin:0;color:var(--night-soft)}
.equation{margin:72px 0 0;font-size:clamp(32px,4.4vw,64px);line-height:1;font-weight:700;font-stretch:118%;text-transform:uppercase;letter-spacing:-.02em;max-width:1100px}
.equation .x{color:var(--signal)}
.model{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:0;margin-top:40px;border-top:1px solid var(--night-line)}
.model > div{padding:28px 28px 28px 0}
.model > div + div{padding-left:28px;border-left:1px solid var(--night-line)}
.model h4{margin:8px 0 10px;font-size:22px;font-stretch:112%;text-transform:uppercase}
.model p{margin:0;color:var(--night-soft);max-width:520px}

/* ---------- Engagement index ---------- */
.index{border-top:1px solid var(--ink);margin-top:32px}
.row{display:flex;flex-wrap:wrap;gap:8px 24px;align-items:baseline;padding:22px 8px;border-bottom:1px solid var(--line);transition:background .15s}
.row:last-child{border-bottom-color:var(--ink)}
.row:hover{background:var(--white);color:var(--ink)}
.row .no{font-family:var(--f-mono);font-size:12px;color:var(--soft);width:32px}
.row .name{flex:0 0 230px;font-size:30px;font-weight:700;font-stretch:115%;text-transform:uppercase;line-height:1.05}
.row .dom{flex:0 0 150px;font-family:var(--f-mono);font-size:12px;text-transform:uppercase;color:var(--soft)}
.row .desc{flex:1 1 340px;color:var(--soft);font-size:16px}
.row .go{font-family:var(--f-mono);font-size:12px;text-transform:uppercase;white-space:nowrap}
.row:hover .go{color:var(--cobalt)}
.row .go.live::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--cobalt);margin-right:8px;vertical-align:1px}
@media (max-width:700px){.row .name{flex-basis:100%}.row .dom{flex-basis:auto}}

/* ---------- Portal ---------- */
.portal{display:flex;flex-wrap:wrap;gap:48px;align-items:flex-start;margin-top:40px}
.portal-copy{flex:1 1 380px}
.ticks{list-style:none;padding:0;margin:28px 0 0;border-top:1px solid var(--ink)}
.ticks li{padding:14px 0;border-bottom:1px solid var(--line);display:flex;gap:14px}
.ticks li::before{content:"→";font-family:var(--f-mono);color:var(--cobalt)}
.portal-card{flex:1 1 380px;max-width:520px;background:var(--white);border:1px solid var(--ink);padding:32px;position:relative}
.portal-card .tag{position:absolute;top:-1px;right:-1px;background:var(--ink);color:#fff;font-family:var(--f-mono);font-size:11px;text-transform:uppercase;padding:6px 10px}
.portal-card h3{margin:0;font-size:28px;font-stretch:115%;text-transform:uppercase}
.portal-card .sub{color:var(--soft);margin:6px 0 22px;font-size:15px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field label{font-family:var(--f-mono);font-size:11px;text-transform:uppercase;color:var(--soft)}
.field input{font:inherit;font-size:16px;padding:14px;border:1px solid var(--ink);background:var(--paper);color:var(--ink);border-radius:0}
.field input:focus{outline:2px solid var(--cobalt);outline-offset:-1px;background:#fff}
.portal-card .btn{width:100%;justify-content:center}
.portal-links{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-top:14px;font-size:14px}
.portal-links a{color:var(--cobalt)}
.form-msg{min-height:1.4em;margin:10px 0 0;font-size:14px;color:var(--cobalt)}
.fine{font-size:13px;color:var(--soft);margin:12px 0 0}

/* ---------- Kits ---------- */
.kits{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));border:1px solid var(--ink);background:var(--white);margin-top:32px}
.kit{padding:28px;display:flex;flex-direction:column;gap:32px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);margin:0 -1px -1px 0}
.kit .k{font-family:var(--f-mono);font-size:11px;text-transform:uppercase;color:var(--soft)}
.kit .t{font-size:20px;font-weight:600}
.kit .p{font-size:34px;font-weight:800;font-stretch:120%}

/* ---------- CTA ---------- */
.cta{background:var(--cobalt);color:#fff}
.cta .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:32px;padding-top:96px;padding-bottom:96px}
.cta h2{font-size:clamp(44px,7.5vw,120px)}
.cta a:hover{color:inherit}

/* ---------- Footer ---------- */
.site-foot{background:var(--night);color:var(--night-faint);font-size:15px}
.foot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:32px;padding:56px 0 40px}
.foot-grid h5{margin:0 0 14px;font-family:var(--f-mono);font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.06em;color:#fff}
.foot-grid ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
.foot-grid a:hover{color:#fff}
.foot-bar{border-top:1px solid var(--night-line);padding:22px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-family:var(--f-mono);font-size:12px;text-transform:uppercase}

/* ---------- Blog ---------- */
.blog-hero{padding:56px 0 24px}
.blog-hero h1{margin-top:32px}
.blog-hero .lede{margin-top:24px}
.posts{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));border:1px solid var(--ink);background:var(--white);margin:32px 0 96px}
.post-card{display:flex;flex-direction:column;gap:14px;padding:32px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);margin:0 -1px -1px 0;min-height:340px}
.post-card:hover{background:var(--paper);color:var(--ink)}
.post-card .cat{font-family:var(--f-mono);font-size:11px;text-transform:uppercase;color:var(--cobalt)}
.post-card h3{margin:0;font-size:26px;font-stretch:112%;line-height:1.1;font-weight:700}
.post-card p{margin:0;color:var(--soft);flex:1}
.post-card .meta{display:flex;justify-content:space-between;font-family:var(--f-mono);font-size:11px;text-transform:uppercase;color:var(--soft);border-top:1px solid var(--line);padding-top:12px}
.article-hero{padding:56px 0 40px}
.back-link{display:inline-block;font-family:var(--f-mono);font-size:12px;text-transform:uppercase;margin-bottom:28px;color:var(--cobalt)}
.article-hero h1{font-size:clamp(36px,5.4vw,76px);line-height:.95;margin-top:24px;max-width:1100px}
.article-meta{display:flex;flex-wrap:wrap;gap:8px 24px;margin-top:28px;padding-top:14px;border-top:1px solid var(--ink);font-family:var(--f-mono);font-size:12px;text-transform:uppercase;color:var(--soft)}
.article-body{background:var(--white);border:1px solid var(--ink);padding:clamp(28px,5vw,64px);max-width:860px;font-size:18px;line-height:1.7}
.article-body h2{font-size:28px;font-stretch:115%;text-transform:uppercase;line-height:1.05;margin:44px 0 14px}
.article-body p{margin:0 0 20px}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 20px}
.article-body li{margin-bottom:10px}
.article-body blockquote{margin:32px 0;padding:24px 0 24px 24px;border-left:4px solid var(--cobalt);font-size:26px;font-weight:700;font-stretch:112%;line-height:1.2}
.article-foot{padding:24px 0 96px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag-row span{font-family:var(--f-mono);font-size:11px;text-transform:uppercase;border:1px solid var(--ink);padding:8px 12px;background:var(--white)}

/* ---------- Motion ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .fig .spin{animation:none}
}