/* HABU design system — light "paper" theme, crimson accent (~10%) */
:root{
  --paper:#FAF9F6;
  --paper-warm:#F2EFE8;
  --card:#FFFFFF;
  --ink:#1E2126;
  --muted:#5A616C;
  --faint:#61666F;
  --line:#E7E3DA;
  --crimson:#B11226;
  --crimson-bright:#D62436;
  --crimson-deep:#7C0D1A;
  --radius:16px;
  --shadow:0 1px 2px rgba(30,33,38,.04),0 8px 28px -12px rgba(30,33,38,.10);
  --shadow-lift:0 2px 4px rgba(30,33,38,.05),0 18px 44px -16px rgba(30,33,38,.16);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;color-scheme:light;}
body{margin:0;background:var(--paper);color:var(--ink);font-family:'Inter',sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden;}
a{color:inherit;text-decoration:none;}
::selection{background:var(--crimson);color:#fff;}
a:focus-visible,button:focus-visible{outline:2px solid var(--crimson-bright);outline-offset:3px;border-radius:4px;}
img{max-width:100%;}

.wrap{max-width:1120px;margin:0 auto;padding:0 clamp(20px,5vw,64px);}
.eyebrow{display:flex;align-items:center;gap:12px;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.28em;color:var(--crimson);text-transform:uppercase;}
.eyebrow::before{content:"";width:30px;height:1px;background:linear-gradient(90deg,var(--crimson),transparent);flex:0 0 auto;}
h1,h2,h3{font-family:'Saira',sans-serif;letter-spacing:-.01em;}
.h2{font-weight:700;font-size:clamp(1.9rem,4.2vw,3rem);line-height:1.06;margin:16px 0 0;}
.lede{font-size:clamp(1rem,1.2vw,1.15rem);line-height:1.7;color:var(--muted);}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--crimson);color:#fff;font-weight:600;font-size:15px;padding:15px 26px;border-radius:999px;border:none;cursor:pointer;transition:background .2s ease,transform .15s ease,box-shadow .2s ease;box-shadow:0 10px 26px -12px rgba(177,18,38,.55);}
.btn:hover{background:var(--crimson-bright);transform:translateY(-1px);box-shadow:0 14px 32px -12px rgba(177,18,38,.6);}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line);box-shadow:none;}
.btn.ghost:hover{background:#fff;border-color:#D8D3C8;transform:translateY(-1px);}
.btn.dark{background:var(--ink);box-shadow:0 10px 26px -12px rgba(30,33,38,.5);}
.btn.dark:hover{background:#2A2E35;}

/* nav */
nav.site{position:fixed;top:0;left:0;right:0;z-index:120;display:flex;align-items:center;justify-content:space-between;padding:14px clamp(20px,5vw,64px);background:rgba(250,249,246,0);border-bottom:1px solid transparent;transition:background .3s ease,border-color .3s ease;}
nav.site.scrolled{background:rgba(250,249,246,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom-color:var(--line);}
.brand{display:flex;align-items:center;gap:11px;}
.brand span{font-family:'Saira',sans-serif;font-weight:700;font-size:20px;letter-spacing:.3em;padding-left:4px;}
.navlinks{display:flex;align-items:center;gap:26px;font-size:14px;}
.navlinks a.plain{color:var(--muted);font-weight:500;transition:color .2s ease;}
.navlinks a.plain:hover{color:var(--ink);}
.navlinks a.plain.active{color:var(--ink);border-bottom:2px solid var(--crimson);padding-bottom:2px;}
.nav-cta{background:var(--crimson);color:#fff;font-weight:600;font-size:13.5px;padding:10px 20px;border-radius:999px;transition:background .2s ease;}
.nav-cta:hover{background:var(--crimson-bright);}
.menu-btn{display:none;background:none;border:none;color:var(--ink);cursor:pointer;padding:6px;}

/* mobile menu */
.mobile-menu{position:fixed;inset:0;z-index:130;background:var(--paper);display:none;flex-direction:column;padding:20px clamp(20px,5vw,64px) 32px;}
.mobile-menu.open{display:flex;}
.mobile-menu a.mm-link{font-family:'Saira',sans-serif;font-weight:600;font-size:28px;padding:16px 0;border-bottom:1px solid var(--line);}
.mobile-menu a.mm-link.active{color:var(--crimson);}

/* sections */
section{padding:clamp(56px,9vw,110px) 0;}
.band{background:var(--paper-warm);}
.page-head{padding:calc(84px + clamp(40px,7vw,80px)) 0 clamp(40px,6vw,64px);}
.page-head h1{font-weight:700;font-size:clamp(2.3rem,5vw,3.8rem);line-height:1.02;margin:18px 0 0;}
.page-head .accent{color:var(--crimson);}

/* cards */
.cards3{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin-top:44px;}
.svc{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.svc:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:#DAD5CA;}
.svc .k{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.2em;color:var(--crimson);text-transform:uppercase;}
.svc h3{font-weight:600;font-size:1.3rem;margin:14px 0 10px;}
.svc p{font-size:.97rem;line-height:1.65;color:var(--muted);margin:0 0 22px;flex:1;}
.go{font-weight:600;font-size:14px;color:var(--ink);display:inline-flex;align-items:center;gap:6px;transition:color .2s ease,gap .2s ease;}
.svc:hover .go{color:var(--crimson);gap:10px;}

/* proof */
.proof{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;box-shadow:var(--shadow);}
.proof .tag{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.18em;color:var(--muted);text-transform:uppercase;}
.proof .tag em{color:var(--crimson);font-style:normal;}
.proof p{font-size:.95rem;line-height:1.6;color:var(--muted);margin:12px 0 20px;}
.big{font-family:'Saira',sans-serif;font-weight:700;font-size:clamp(2.2rem,3.6vw,2.9rem);color:var(--crimson);line-height:1;font-variant-numeric:tabular-nums;}
.unit{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.14em;color:var(--faint);margin-top:8px;text-transform:uppercase;}

/* CTA band (interior pages) */
.cta-band{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:clamp(26px,4vw,44px);}
.cta-band h2{font-weight:700;font-size:clamp(1.5rem,2.8vw,2.1rem);line-height:1.08;margin:0;}
.cta-band .fine{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.2em;color:var(--faint);margin:12px 0 0;text-transform:uppercase;}

/* timeline (how it works) */
.timeline{position:relative;padding-left:56px;}
.rail{position:absolute;left:20px;top:8px;bottom:8px;width:2px;background:var(--line);}
.rail-fill{position:absolute;left:20px;top:8px;width:2px;height:0;background:linear-gradient(var(--crimson-deep),var(--crimson-bright));box-shadow:0 0 10px rgba(177,18,38,.35);}
.tier{position:relative;padding-bottom:44px;}
.tier:last-child{padding-bottom:0;}
.tier .node{position:absolute;left:-42px;top:5px;width:12px;height:12px;transform:rotate(45deg);background:var(--paper);border:2px solid var(--faint);}
.tier.hot .node{border-color:var(--crimson);box-shadow:0 0 10px rgba(177,18,38,.4);}
.tier .t-label{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.2em;color:var(--ink);text-transform:uppercase;}
.tier.hot .t-label{color:var(--crimson);}
.tier .t-label .dim{color:var(--faint);}
.tier p{font-size:1.03rem;line-height:1.65;color:var(--muted);margin:10px 0 0;max-width:680px;}
.tier p em{color:var(--ink);font-style:normal;font-weight:500;}

a.run{transition:border-color .2s ease,color .2s ease,transform .15s ease;}
a.run:hover{border-color:#DAD5CA;color:var(--crimson);transform:translateY(-1px);}

/* nav dropdown */
.dd{position:relative;}
.dd::after{content:"";position:absolute;top:100%;left:-10px;right:-10px;height:18px;}
.dd-btn{display:inline-flex;align-items:center;gap:6px;background:none;border:none;font:inherit;font-size:14px;color:var(--muted);font-weight:500;cursor:pointer;padding:0;transition:color .2s ease;}
.dd-btn:hover{color:var(--ink);}
.dd-btn.active{color:var(--ink);border-bottom:2px solid var(--crimson);padding-bottom:2px;}
.dd-btn .car{transition:transform .2s ease;display:inline-flex;}
.dd.open .dd-btn .car,.dd:hover .dd-btn .car{transform:rotate(180deg);}
.dd-menu{position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%) translateY(6px);background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-lift);padding:8px;min-width:320px;opacity:0;visibility:hidden;transition:opacity .18s ease,transform .18s ease,visibility .18s;z-index:125;}
.dd.open .dd-menu,.dd:hover .dd-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
.dd-menu a{display:block;padding:11px 14px;border-radius:10px;transition:background .15s ease;}
.dd-menu a:hover{background:var(--paper-warm);}
.dd-menu .t{display:block;font-weight:600;font-size:14px;color:var(--ink);}
.dd-menu a.on .t{color:var(--crimson);}
.dd-menu .d{display:block;font-size:12.5px;color:var(--muted);margin-top:2px;}
.dd-menu .sep{height:1px;background:var(--line);margin:6px 8px;}
.mobile-menu a.mm-sub{font-family:'Inter',sans-serif;font-size:17px;font-weight:500;color:var(--muted);padding:12px 0 12px 20px;border-bottom:1px solid var(--line);}
.mobile-menu a.mm-sub.active{color:var(--crimson);}
.mm-label{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.22em;color:var(--faint);text-transform:uppercase;padding:18px 0 6px;border-bottom:1px solid var(--line);}

/* service pages */
.facts{display:flex;gap:10px 26px;flex-wrap:wrap;font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.16em;color:var(--faint);text-transform:uppercase;margin-top:30px;}
.checks{margin:26px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:12px;max-width:660px;}
.checks li{display:flex;gap:12px;align-items:flex-start;font-size:1.02rem;line-height:1.55;color:var(--ink);}
.checks .ck{flex:0 0 auto;width:20px;height:20px;border-radius:50%;background:rgba(177,18,38,.08);color:var(--crimson);display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;margin-top:2px;}
.twocol{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;margin-top:44px;}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px;}
.panel h3{margin:0 0 10px;font-size:1.15rem;font-weight:600;}
.panel p{margin:0;color:var(--muted);line-height:1.65;font-size:.97rem;}
.crumb{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.18em;color:var(--faint);text-transform:uppercase;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--crimson);}

/* footer */
footer{border-top:1px solid var(--line);background:var(--paper-warm);padding:clamp(36px,6vw,56px) 0;}
.foot{display:flex;align-items:flex-start;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.foot .tagline{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.14em;color:var(--faint);margin:14px 0 0;text-transform:uppercase;}
.foot-col{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--muted);}
.foot-col a:hover{color:var(--ink);}

/* reveal — hidden state only when JS confirmed present (html.js set inline in <head>) */
.js .rv{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.6,.2,1),transform .7s cubic-bezier(.2,.6,.2,1);}
.js .rv.in{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){.js .rv{opacity:1;transform:none;transition:none;}}

/* anchor jumps clear the fixed nav */
[id]{scroll-margin-top:84px;}

@media (max-width:760px){
  .navlinks{display:none;}
  .menu-btn{display:inline-flex;}
}