/* AEDDGE — design system
   Palette sampled from the brand assets. Charcoal #21272B is the logo ground. */

:root{
  --ink:#0E1215;
  --charcoal:#21272B;
  --surface:#171D21;
  --surface-2:#1D2429;
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.18);
  --white:#fff;
  --grey-1:#AAB4BA;
  --grey-2:#78848A;
  --grey-3:#4C575D;
  --signal:#8FBBD9;

  --display:'Jost',system-ui,sans-serif;
  --body:'Inter',system-ui,-apple-system,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;

  --max:1180px;
  --gut:clamp(20px,5vw,48px);
  --sec:clamp(72px,11vw,148px);
  --ease:cubic-bezier(.22,1,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--ink);color:var(--grey-1);
  font-family:var(--body);font-size:16.5px;line-height:1.65;
  font-weight:400;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit}
::selection{background:var(--signal);color:var(--ink)}

/* ---------- type ---------- */
h1,h2,h3,h4{margin:0;color:var(--white);font-weight:400;letter-spacing:-.015em}
h1{font-family:var(--display);font-size:clamp(2.6rem,6.6vw,4.6rem);line-height:1.04;letter-spacing:-.03em}
h2{font-family:var(--display);font-size:clamp(2rem,4.4vw,3.2rem);line-height:1.1;letter-spacing:-.025em}
h3{font-size:clamp(1.15rem,2vw,1.4rem);line-height:1.3;font-weight:500}
h4{font-size:1.02rem;font-weight:500;line-height:1.4}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
.lead{font-size:clamp(1.05rem,1.9vw,1.32rem);line-height:1.6;color:var(--grey-1);max-width:56ch}
.dim{color:var(--grey-2)}
strong{color:var(--white);font-weight:500}

.eyebrow{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--grey-3);margin:0 0 1.6rem;
  display:flex;align-items:center;gap:.9rem;
}
.eyebrow::after{content:"";flex:1;height:1px;background:var(--line);max-width:180px}
.num{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;color:var(--grey-3)}

/* ---------- layout ---------- */
.wrap{max-width:var(--max);margin:0 auto;padding-inline:var(--gut)}
section{padding-block:var(--sec)}
.rule{height:1px;background:var(--line);border:0;margin:0}
.grid{display:grid;gap:clamp(20px,3vw,36px)}
.g2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(255px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(215px,1fr))}
.split{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:clamp(28px,5vw,80px);align-items:start}
@media(max-width:840px){.split{grid-template-columns:1fr}}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:60;
  background:rgba(14,18,21,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:border-color .3s
}
.site-head.stuck{border-bottom-color:var(--line)}
.head-in{max-width:var(--max);margin:0 auto;padding:14px var(--gut);
  display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex-shrink:0}
.brand svg{width:34px;height:29px;color:var(--white)}
.brand span{font-family:var(--display);font-size:1.16rem;letter-spacing:.34em;
  color:var(--white);font-weight:400;padding-left:.34em}
.nav{display:flex;align-items:center;gap:clamp(14px,2.4vw,30px)}
.nav a{
  font-size:.87rem;color:var(--grey-1);text-decoration:none;position:relative;
  padding:6px 0;transition:color .25s
}
.nav a::after{content:"";position:absolute;left:0;bottom:2px;width:0;height:1px;
  background:var(--signal);transition:width .32s var(--ease)}
.nav a:hover,.nav a[aria-current]{color:var(--white)}
.nav a:hover::after,.nav a[aria-current]::after{width:100%}
.nav .btn{padding:9px 18px}
.nav .btn::after{display:none}
.burger{display:none;background:none;border:1px solid var(--line-strong);color:var(--white);
  width:42px;height:38px;border-radius:6px;cursor:pointer;align-items:center;justify-content:center}
.burger span{display:block;width:17px;height:1px;background:currentColor;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:17px;height:1px;background:currentColor}
.burger span::before{top:-5px}.burger span::after{top:5px}
@media(max-width:800px){
  .burger{display:flex}
  .nav{position:fixed;inset:60px 0 auto;flex-direction:column;align-items:stretch;
    background:var(--charcoal);border-block:1px solid var(--line);padding:8px var(--gut) 22px;
    gap:0;transform:translateY(-118%);transition:transform .42s var(--ease);z-index:59}
  .nav.open{transform:translateY(0)}
  .nav a{padding:15px 0;border-bottom:1px solid var(--line);font-size:1rem}
  .nav .btn{margin-top:18px;justify-content:center;border-bottom:0}
}

/* ---------- buttons ---------- */
.btn{
  --bg:transparent;
  display:inline-flex;align-items:center;gap:.6em;
  padding:14px 26px;border:1px solid var(--line-strong);border-radius:2px;
  background:var(--bg);color:var(--white);text-decoration:none;
  font-size:.92rem;font-weight:500;letter-spacing:.005em;
  position:relative;overflow:hidden;isolation:isolate;cursor:pointer;
  transition:border-color .3s,color .3s
}
.btn::before{
  content:"";position:absolute;inset:0;z-index:-1;background:var(--white);
  transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease)
}
.btn:hover{border-color:var(--white);color:var(--ink)}
.btn:hover::before{transform:scaleX(1)}
.btn .ar{transition:transform .35s var(--ease)}
.btn:hover .ar{transform:translateX(4px)}
.btn-primary{background:var(--white);color:var(--ink);border-color:var(--white)}
.btn-primary::before{background:var(--signal)}
.btn-primary:hover{color:var(--ink);border-color:var(--signal)}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:2.4rem}
.tlink{
  display:inline-flex;align-items:center;gap:.55em;color:var(--white);
  text-decoration:none;font-size:.92rem;font-weight:500;
  border-bottom:1px solid var(--line-strong);padding-bottom:5px;transition:border-color .3s
}
.tlink:hover{border-color:var(--signal)}
.tlink:hover .ar{transform:translateX(4px)}
.tlink .ar{transition:transform .35s var(--ease)}

/* ---------- panels (instrument layer) ---------- */
.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:3px;
  padding:clamp(22px,2.8vw,32px);position:relative;
  transition:border-color .4s,background .4s
}
.panel:hover{border-color:var(--line-strong);background:var(--surface-2)}
.panel h3,.panel h4{margin-bottom:.55rem}
.panel p{font-size:.94rem;color:var(--grey-2);margin:0}
.panel .num{display:block;margin-bottom:1.5rem}
.tag{
  font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;color:var(--grey-3);
  text-transform:uppercase
}
.hair{border:0;height:1px;background:var(--line);margin:1.4rem 0}
ul.plain{margin:0;padding:0;list-style:none}
ul.plain li{
  font-size:.9rem;color:var(--grey-2);padding:9px 0 9px 20px;position:relative;
  border-bottom:1px solid var(--line)
}
ul.plain li:last-child{border-bottom:0}
ul.plain li::before{
  content:"";position:absolute;left:2px;top:17px;width:5px;height:5px;
  border:1px solid var(--grey-3);border-radius:50%
}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:clamp(560px,92svh,900px);
  display:flex;align-items:center;padding-block:clamp(60px,10vh,110px);overflow:hidden
}
.hero-graph{position:absolute;inset:0;width:100%;height:100%;z-index:0;opacity:.92}
.hero-in{position:relative;z-index:2;max-width:min(700px,100%)}
.hero h1 .sub{display:block;color:var(--grey-2)}
.hero .lead{margin-top:1.8rem}
.scroll-cue{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;
  font-family:var(--mono);font-size:.66rem;letter-spacing:.24em;color:var(--grey-3);
  text-transform:uppercase;display:flex;flex-direction:column;align-items:center;gap:10px
}
.scroll-cue i{display:block;width:1px;height:34px;background:linear-gradient(var(--grey-3),transparent)}
@media(max-width:640px){.scroll-cue{display:none}}

/* ---------- process / steps ---------- */
.step{display:grid;grid-template-columns:auto 1fr;gap:clamp(18px,3vw,34px);
  padding-block:clamp(26px,4vw,42px);border-top:1px solid var(--line)}
.step:last-child{border-bottom:1px solid var(--line)}
.step .num{padding-top:.5rem}
.step h3{margin-bottom:.5rem}
.step .free{color:var(--signal);font-family:var(--mono);font-size:.72rem;
  letter-spacing:.16em;text-transform:uppercase;display:block;margin-bottom:.7rem}
.step-meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
  gap:14px;margin-top:1.5rem}
.step-meta div{border-left:1px solid var(--line);padding-left:14px}
.step-meta .tag{display:block;margin-bottom:.35rem}
.step-meta p{font-size:.88rem;color:var(--grey-2);margin:0}

/* ---------- work ---------- */
.case{border-top:1px solid var(--line);padding-block:clamp(30px,4.5vw,52px)}
.case:last-of-type{border-bottom:1px solid var(--line)}
.case-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:.9rem;margin-bottom:1.6rem}
.case-head h3{margin:0}
.ba{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:clamp(16px,2.5vw,30px)}
.ba > div{border-top:1px solid var(--line);padding-top:14px}
.ba .tag{display:block;margin-bottom:.55rem}
.ba p{font-size:.93rem;color:var(--grey-2);margin:0}
.ba .after p{color:var(--grey-1)}

/* ---------- cta band ---------- */
.band{background:var(--charcoal);border-block:1px solid var(--line)}
.band .wrap{text-align:center}
.band .mark-lg{width:clamp(66px,9vw,104px);margin:0 auto 2.4rem;color:var(--white)}
.reply{
  font-family:var(--mono);font-size:.74rem;letter-spacing:.13em;color:var(--grey-2);
  text-transform:uppercase;margin-top:2.2rem
}
.reply b{color:var(--signal);font-weight:400}
.band .btn-row{justify-content:center}

/* ---------- forms ---------- */
.field{margin-bottom:20px}
.field label{display:block;font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--grey-2);margin-bottom:8px}
.field input,.field textarea{
  width:100%;background:var(--ink);border:1px solid var(--line);border-radius:2px;
  color:var(--white);font-family:var(--body);font-size:.97rem;padding:13px 15px;
  transition:border-color .25s
}
.field textarea{min-height:132px;resize:vertical;line-height:1.6}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--signal)}
.field .err{color:#E8837A;font-size:.83rem;margin-top:6px;display:none}
.field.bad input,.field.bad textarea{border-color:#E8837A}
.field.bad .err{display:block}
.form-note{font-size:.85rem;color:var(--grey-3);margin-top:1.2rem}

/* ---------- footer ---------- */
.site-foot{background:var(--charcoal);border-top:1px solid var(--line);
  padding-block:clamp(48px,7vw,80px) 30px}
.foot-top{display:grid;grid-template-columns:minmax(0,1.3fr) repeat(auto-fit,minmax(150px,1fr));
  gap:clamp(28px,4vw,56px);margin-bottom:clamp(36px,5vw,60px)}
.foot-top svg{width:40px;color:var(--white);margin-bottom:18px}
.tagline{font-family:var(--display);font-size:1.06rem;letter-spacing:.05em;color:var(--white)}
.foot-col h4{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--grey-3);font-weight:400;margin-bottom:14px}
.foot-col a{display:block;font-size:.9rem;color:var(--grey-1);text-decoration:none;
  padding:5px 0;transition:color .25s}
.foot-col a:hover{color:var(--white)}
.foot-bot{border-top:1px solid var(--line);padding-top:24px;display:flex;
  flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;color:var(--grey-3)}

/* ---------- motion ---------- */
.rv{opacity:0;transform:translateY(22px);
  transition:opacity .85s var(--ease),transform .85s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv[data-d="1"]{transition-delay:.09s}
.rv[data-d="2"]{transition-delay:.18s}
.rv[data-d="3"]{transition-delay:.27s}
.rv[data-d="4"]{transition-delay:.36s}
.rv[data-d="5"]{transition-delay:.45s}

:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:-9999px;top:0;background:var(--white);color:var(--ink);
  padding:12px 18px;z-index:100}
.skip:focus{left:12px;top:12px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important}
  .rv{opacity:1;transform:none}
}

/* ---------- form status ---------- */
.form-status{font-size:.88rem;margin-top:1rem;min-height:1.3em;line-height:1.5}
.form-status.busy{color:var(--grey-2)}
.form-status.good{color:var(--signal)}
.form-status.bad{color:#E8837A}
button[disabled]{opacity:.55;pointer-events:none}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;padding:22px 40px 22px 0;position:relative;
  color:var(--white);font-size:1.02rem;font-weight:500;transition:color .25s
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--signal)}
.faq summary::after{
  content:"";position:absolute;right:6px;top:50%;width:11px;height:11px;
  border-right:1px solid currentColor;border-bottom:1px solid currentColor;
  transform:translateY(-70%) rotate(45deg);transition:transform .3s var(--ease)
}
.faq details[open] summary::after{transform:translateY(-30%) rotate(225deg)}
.faq .ans{padding:0 0 24px;max-width:66ch}
.faq .ans p{font-size:.96rem;color:var(--grey-2)}

/* ---------- hero graph on small screens ----------
   The nodes sit in the same band as the headline, so they step back. */
@media(max-width:820px){
  .hero-graph{opacity:.34}
  .hero-graph text{display:none}
}

/* ---------- animated footer mark ---------- */
.mark-anim{width:clamp(66px,9vw,104px);margin:0 auto 2.4rem}
.mark-anim svg{width:100%;height:auto}

/* ---------- case screenshots ---------- */
.shot{margin-top:clamp(22px,3vw,34px)}
.shot img{
  width:100%;height:auto;border:1px solid var(--line);border-radius:3px;
  background:var(--surface)
}
.shot figcaption{
  font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--grey-3);margin-top:12px
}
.client{
  font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--signal)
}
.case-head .client{margin-left:auto}
@media(max-width:640px){.case-head .client{margin-left:0;width:100%}}