/* ===========================================================
   ByteXio - bytexio.com
   Palette, type, and layout carried over from the client
   proposal system so proposals and site read as one company.
   =========================================================== */

:root{
  --ground:#FCFCFD;
  --surface:#FFFFFF;
  --surface-2:#F1F5F7;
  --ink:#131C24;
  --ink-2:#31404D;
  --muted:#5A6975;
  --rule:#E0E6EA;
  --rule-strong:#C4CED6;
  --accent:#0E6E62;
  --accent-ink:#0B554B;
  --accent-wash:#E6F1EF;
  --signal:#A8701C;
  --on-accent:#FFFFFF;
  --on-accent-ink:#FFFFFF;
  --shadow-sm:0 1px 2px rgba(19,28,36,.05),0 6px 18px -10px rgba(19,28,36,.14);
  --shadow-lg:0 1px 2px rgba(19,28,36,.06),0 24px 48px -24px rgba(19,28,36,.26);

  --f-display:"Newsreader",Georgia,"Times New Roman",serif;
  --f-body:"Public Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --wrap:70rem;
  --measure:40rem;
  --pad:1.5rem;
  --nav-h:4.25rem;
}

@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --ground:#0E141A;
    --surface:#151E26;
    --surface-2:#1C2831;
    --ink:#E8EEF3;
    --ink-2:#C2CDD7;
    --muted:#8B99A6;
    --rule:#28343E;
    --rule-strong:#3A4854;
    --accent:#4FB3A0;
    --accent-ink:#79CCBB;
    --accent-wash:#15302B;
    --signal:#D9A759;
    --on-accent:#0B1116;
    --on-accent-ink:#0B1116;
    --shadow-sm:0 1px 2px rgba(0,0,0,.4),0 8px 20px -12px rgba(0,0,0,.6);
    --shadow-lg:0 1px 2px rgba(0,0,0,.5),0 28px 56px -28px rgba(0,0,0,.8);
  }
}
:root[data-theme="dark"]{
  --ground:#0E141A;
  --surface:#151E26;
  --surface-2:#1C2831;
  --ink:#E8EEF3;
  --ink-2:#C2CDD7;
  --muted:#8B99A6;
  --rule:#28343E;
  --rule-strong:#3A4854;
  --accent:#4FB3A0;
  --accent-ink:#79CCBB;
  --accent-wash:#15302B;
  --signal:#D9A759;
  --on-accent:#0B1116;
  --on-accent-ink:#0B1116;
  --shadow-sm:0 1px 2px rgba(0,0,0,.4),0 8px 20px -12px rgba(0,0,0,.6);
  --shadow-lg:0 1px 2px rgba(0,0,0,.5),0 28px 56px -28px rgba(0,0,0,.8);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 1rem);-webkit-text-size-adjust:100%;}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;}}

body{
  margin:0;
  background:var(--ground);
  color:var(--ink);
  font-family:var(--f-body);
  font-size:1rem;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

img,svg{max-width:100%;display:block;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:3px;}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad);}

/* ---------------- type ---------------- */
h1,h2,h3,h4{font-family:var(--f-display);font-weight:500;margin:0;line-height:1.15;letter-spacing:-.018em;text-wrap:balance;font-optical-sizing:auto;}
h1{font-size:clamp(2.5rem,7vw,4.5rem);letter-spacing:-.033em;line-height:1.04;font-variation-settings:'opsz' 60;}
h2{font-size:clamp(1.85rem,4.2vw,2.75rem);letter-spacing:-.024em;font-variation-settings:'opsz' 40;}
h3{font-size:1.3rem;letter-spacing:-.012em;font-variation-settings:'opsz' 20;}
p{margin:0;}
.lede{font-family:var(--f-display);font-size:clamp(1.15rem,2.2vw,1.4rem);line-height:1.55;color:var(--ink-2);font-optical-sizing:auto;font-variation-settings:'opsz' 16;}
.sm{font-size:.875rem;line-height:1.6;color:var(--muted);}
strong{font-weight:600;}
.eyebrow{
  font-family:var(--f-mono);font-size:.6875rem;letter-spacing:.15em;
  text-transform:uppercase;color:var(--accent);display:flex;align-items:center;gap:.7rem;
}
.eyebrow::after{content:"";flex:1;height:1px;background:var(--rule);max-width:4rem;}
a{color:var(--accent-ink);}

/* ---------------- buttons ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  font-family:var(--f-body);font-size:.9375rem;font-weight:600;line-height:1;
  padding:.9rem 1.5rem;border-radius:2px;border:1px solid transparent;
  text-decoration:none;cursor:pointer;white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn-primary{background:var(--accent);color:var(--on-accent);}
.btn-primary:hover{background:var(--accent-ink);color:var(--on-accent-ink);}
.btn-ghost{border-color:var(--rule-strong);color:var(--ink);background:transparent;}
.btn-ghost:hover{border-color:var(--ink);background:var(--surface-2);}
.btn:active{transform:translateY(1px);}
.btn .arw{transition:transform .18s ease;}
.btn:hover .arw{transform:translateX(3px);}

/* ---------------- nav ---------------- */
.nav{
  position:sticky;top:0;z-index:60;height:var(--nav-h);
  background:color-mix(in srgb,var(--ground) 88%,transparent);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;transition:border-color .2s ease;
}
.nav.scrolled{border-bottom-color:var(--rule);}
.nav .wrap{height:100%;display:flex;align-items:center;gap:1.5rem;}
.logo{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--ink);}
.logo .mark{width:27px;height:27px;flex:none;overflow:visible;}
.logo .mark .ring{fill:none;stroke:var(--rule-strong);stroke-width:1.1;transition:stroke .25s ease;}
.logo .mark circle:not(.ring){fill:var(--ink);transition:fill .25s ease,transform .35s cubic-bezier(.3,.8,.3,1);transform-origin:20px 20px;}
.logo .mark .d3{fill:var(--accent);}
.logo:hover .mark .ring{stroke:var(--accent);}
.logo:hover .mark circle:not(.ring){transform:rotate(90deg);}
@media (prefers-reduced-motion:reduce){.logo .mark circle{transition:fill .25s ease;}.logo:hover .mark circle:not(.ring){transform:none;}}
.logo .word{font-family:var(--f-body);font-weight:600;font-size:.9375rem;letter-spacing:.16em;text-transform:uppercase;}
.logo .tld{font-family:var(--f-mono);font-size:.6875rem;color:var(--muted);font-weight:400;letter-spacing:.02em;align-self:flex-end;padding-bottom:.15rem;}
.navlinks{display:flex;align-items:center;gap:1.75rem;margin-left:auto;}
.navlinks a:not(.btn){font-size:.9063rem;color:var(--muted);text-decoration:none;transition:color .16s ease;}
.navlinks a:not(.btn):hover{color:var(--ink);}
.navlinks a.btn{text-decoration:none;}
.navlinks .btn{font-size:.875rem;padding:.7rem 1.15rem;}
.navtoggle{display:none;margin-left:auto;background:none;border:1px solid var(--rule-strong);border-radius:2px;padding:.55rem .7rem;cursor:pointer;color:var(--ink);}
.navtoggle span{display:block;width:18px;height:1.5px;background:currentColor;transition:transform .2s ease,opacity .2s ease;}
.navtoggle span+span{margin-top:4px;}
.navtoggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5.5px) rotate(45deg);}
.navtoggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.navtoggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg);}

@media (max-width:860px){
  .navtoggle{display:block;}
  .navlinks{
    position:fixed;inset:var(--nav-h) 0 auto;margin:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--surface);border-bottom:1px solid var(--rule);
    padding:.5rem var(--pad) 1.25rem;box-shadow:var(--shadow-lg);
    transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;
  }
  .navlinks.open{transform:none;opacity:1;pointer-events:auto;}
  .navlinks a:not(.btn){padding:.85rem 0;border-bottom:1px solid var(--rule);font-size:1rem;color:var(--ink);}
  .navlinks .btn{margin-top:1rem;border-bottom:none;}
}

/* ---------------- hero ---------------- */
.hero{position:relative;padding:clamp(3.5rem,9vw,7rem) 0 clamp(3rem,7vw,5.5rem);overflow:hidden;}
.hero canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.5;pointer-events:none;}
.hero .wrap{position:relative;}
.hero h1{max-width:15ch;margin-top:1.75rem;}
.hero h1 .em{font-style:italic;color:var(--accent-ink);}
.hero .lede{max-width:34rem;margin-top:1.5rem;}
.hero-cta{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:2.25rem;}
.ticker{
  margin-top:3.5rem;padding-top:1.25rem;border-top:1px solid var(--rule);
  display:flex;flex-wrap:wrap;gap:.6rem 2rem;
  font-family:var(--f-mono);font-size:.6875rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
}
.ticker span{display:flex;align-items:center;gap:.5rem;}
.ticker span::before{content:"";width:4px;height:4px;background:var(--accent);border-radius:50%;flex:none;}

/* ---------------- generic section ---------------- */
.sec{padding:clamp(3.5rem,8vw,6rem) 0;border-top:1px solid var(--rule);}
.sec-head{display:flex;flex-direction:column;gap:1rem;max-width:var(--measure);margin-bottom:2.75rem;}

/* ---------------- services ---------------- */
.svcs{display:grid;grid-template-columns:repeat(auto-fit,minmax(16.5rem,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule);}
.svc{
  background:var(--surface);padding:2rem 1.75rem;display:flex;flex-direction:column;gap:.85rem;
  transition:background .2s ease;position:relative;
}
.svc:hover{background:var(--surface-2);}
.svc .ico{color:var(--accent);height:26px;}
.svc h3{margin-top:.25rem;}
.svc p{font-size:.9375rem;color:var(--ink-2);line-height:1.6;}
.svc ul{list-style:none;margin:.35rem 0 0;padding:0;display:flex;flex-direction:column;gap:.4rem;margin-top:auto;padding-top:1rem;}
.svc li{font-family:var(--f-mono);font-size:.6875rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding-left:.95rem;position:relative;}
.svc li::before{content:"";position:absolute;left:0;top:.65em;width:6px;height:1px;background:var(--rule-strong);}

/* ---------------- process ---------------- */
.steps{display:flex;flex-direction:column;}
.step{
  display:grid;grid-template-columns:3.25rem 1fr;gap:0 1.5rem;
  padding:1.5rem 0;border-bottom:1px solid var(--rule);align-items:start;
}
.step:first-child{border-top:1px solid var(--rule);}
.step .n{font-family:var(--f-mono);font-size:.8125rem;color:var(--accent);padding-top:.3rem;font-variant-numeric:tabular-nums;}
.step .c{display:flex;flex-direction:column;gap:.4rem;min-width:0;}
.step h3{font-family:var(--f-body);font-size:1.0625rem;font-weight:600;letter-spacing:-.005em;}
.step p{font-size:.9375rem;color:var(--muted);max-width:42rem;}

/* ---------------- proof band ---------------- */
.band{background:var(--surface);border-block:1px solid var(--rule);}
.band-in{display:grid;grid-template-columns:repeat(auto-fit,minmax(12rem,1fr));gap:2rem;padding:clamp(2.5rem,5vw,3.5rem) 0;}
.stat .k{font-family:var(--f-display);font-variation-settings:'opsz' 44;font-size:clamp(2rem,4.5vw,2.75rem);line-height:1;letter-spacing:-.03em;font-variant-numeric:tabular-nums;}
.stat .l{font-family:var(--f-mono);font-size:.6875rem;letter-spacing:.11em;text-transform:uppercase;color:var(--muted);margin-top:.6rem;}

/* ---------------- ai callout ---------------- */
.ai{display:grid;grid-template-columns:repeat(auto-fit,minmax(17rem,1fr));gap:2.5rem;align-items:start;}
.ai-list{display:flex;flex-direction:column;gap:1.25rem;}
.ai-item{display:flex;gap:1rem;align-items:flex-start;}
.ai-item .mk{
  font-family:var(--f-mono);font-size:.625rem;letter-spacing:.1em;color:var(--accent);
  border:1px solid var(--rule-strong);padding:.3rem .45rem;border-radius:2px;flex:none;margin-top:.15rem;
}
.ai-item h3{font-family:var(--f-body);font-size:1rem;font-weight:600;margin-bottom:.25rem;}
.ai-item p{font-size:.9063rem;color:var(--muted);}

/* ---------------- contact ---------------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:3.5rem;align-items:start;}
@media (max-width:820px){.contact-grid{grid-template-columns:1fr;gap:2.5rem;}}
.contact-side{display:flex;flex-direction:column;gap:1.5rem;}
.contact-side dl{display:flex;flex-direction:column;gap:1.1rem;margin:0;padding-top:.5rem;border-top:1px solid var(--rule);}
.contact-side dt{font-family:var(--f-mono);font-size:.625rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);}
.contact-side dd{margin:.2rem 0 0;font-size:.9375rem;}
.contact-side dd a{text-decoration:none;}
.contact-side dd a:hover{text-decoration:underline;}

form{background:var(--surface);border:1px solid var(--rule);box-shadow:var(--shadow-sm);padding:1.75rem;display:flex;flex-direction:column;gap:1.15rem;}
.row{display:grid;grid-template-columns:1fr 1fr;gap:1.15rem;}
@media (max-width:560px){.row{grid-template-columns:1fr;}form{padding:1.35rem;}}
.field{display:flex;flex-direction:column;gap:.4rem;min-width:0;}
.field label{font-family:var(--f-mono);font-size:.625rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);}
.field label .req{color:var(--accent);}
.field input,.field select,.field textarea{
  font-family:var(--f-body);font-size:.9375rem;color:var(--ink);
  background:var(--ground);border:1px solid var(--rule-strong);border-radius:2px;
  padding:.75rem .85rem;width:100%;transition:border-color .16s ease,box-shadow .16s ease;
}
.field textarea{resize:vertical;min-height:6.5rem;line-height:1.6;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 18px) 52%,calc(100% - 13px) 52%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:2.25rem;}
.field input::placeholder,.field textarea::placeholder{color:var(--muted);opacity:.75;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-wash);}
.field .err{font-size:.75rem;color:#C0392B;min-height:0;display:none;}
:root[data-theme="dark"] .field .err,:root:not([data-theme="light"]) .field .err{color:#E8836F;}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:#C0392B;}
.field.invalid .err{display:block;}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;}
.formfoot{display:flex;flex-wrap:wrap;align-items:center;gap:1rem;}
.formfoot .sm{flex:1;min-width:12rem;}
.formnote{font-size:.875rem;padding:.85rem 1rem;border-radius:2px;display:none;}
.formnote.ok{display:block;background:var(--accent-wash);border:1px solid var(--accent);color:var(--accent-ink);}
.formnote.bad{display:block;background:var(--surface-2);border:1px solid var(--rule-strong);color:var(--ink-2);}

/* ---------------- footer ---------------- */
.foot{border-top:1px solid var(--rule);padding:2.5rem 0 3rem;}
.foot-in{display:flex;flex-wrap:wrap;gap:1.25rem 2rem;align-items:center;}
.foot .credit{margin-right:auto;display:flex;align-items:center;flex-wrap:wrap;gap:.45rem;}
.foot .credit .sep{color:var(--rule-strong);}
.foot .credit .made{display:inline-flex;align-items:center;gap:.35rem;}
.foot .heart{width:12px;height:12px;fill:var(--accent);flex:none;transform:translateY(.5px);}
@media (prefers-reduced-motion:no-preference){
  .foot .heart{animation:beat 3.2s ease-in-out infinite;transform-origin:50% 55%;}
  @keyframes beat{0%,88%,100%{transform:scale(1) translateY(.5px);}92%{transform:scale(1.22) translateY(.5px);}96%{transform:scale(1.05) translateY(.5px);}}
}
.foot nav{display:flex;flex-wrap:wrap;gap:1.25rem;}
.foot nav a{font-size:.875rem;color:var(--muted);text-decoration:none;}
.foot nav a:hover{color:var(--ink);}
.themebtn{background:none;border:1px solid var(--rule-strong);border-radius:2px;color:var(--muted);cursor:pointer;font-family:var(--f-mono);font-size:.625rem;letter-spacing:.1em;text-transform:uppercase;padding:.5rem .7rem;}
.themebtn:hover{color:var(--ink);border-color:var(--ink);}

/* ---------------- reveal ---------------- */
@media (prefers-reduced-motion:no-preference){
  .js .rv{opacity:0;transform:translateY(14px);transition:opacity .6s cubic-bezier(.2,.7,.3,1),transform .6s cubic-bezier(.2,.7,.3,1);}
  .js .rv.in{opacity:1;transform:none;}
}