/* ------------------------------------------------------------------
   Luixifer Studio — site stylesheet
   Editorial layout, warm paper palette, Instrument Serif + Inter.
   ------------------------------------------------------------------ */

:root{
  --paper:#f6f3ee;
  --paper-2:#efebe2;
  --paper-3:#e8e2d5;
  --ink:#181511;
  --ink-soft:#544d42;
  --ink-mute:#8f8676;
  --line:#ddd6c9;
  --line-2:#cdc4b1;
  --panel:#171310;
  --panel-line:#2e2921;
  --panel-soft:#d9d2c3;
  --panel-mute:#a1988a;
  --copper:#a4502a;
  --copper-deep:#8a3f1e;
  --copper-wash:#f0e2d8;
  --serif:"Instrument Serif",Georgia,"Times New Roman",serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --mono:"IBM Plex Mono","SF Mono",Menlo,Consolas,monospace;
  --ease:cubic-bezier(.22,.61,.28,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
::selection{background:var(--copper);color:var(--paper)}

.wrap{max-width:1180px;margin:0 auto;padding:0 28px}
.wrap-narrow{max-width:820px;margin:0 auto;padding:0 28px}

h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.05;letter-spacing:-.01em}
h1 em,h2 em,h3 em{font-style:italic;color:var(--copper)}

.kicker{
  font-family:var(--mono);font-size:12px;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;color:var(--ink-mute);
  display:flex;align-items:center;gap:10px;
}
.kicker::before{content:"";width:22px;height:1px;background:var(--copper);flex:none}
.kicker.center{justify-content:center}
.kicker.center::after{content:"";width:22px;height:1px;background:var(--copper);flex:none}

.num{font-family:var(--mono);font-size:12.5px;color:var(--ink-mute);letter-spacing:.06em}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--sans);font-weight:600;font-size:15px;
  padding:14px 26px;border-radius:2px;border:1px solid var(--ink);
  cursor:pointer;transition:.25s var(--ease);background:transparent;color:var(--ink);
}
.btn-solid{background:var(--ink);color:var(--paper)}
.btn-solid:hover{background:var(--copper);border-color:var(--copper);color:#fff}
.btn-line:hover{background:var(--ink);color:var(--paper)}
.btn .arw{transition:transform .25s var(--ease)}
.btn:hover .arw{transform:translateX(4px)}
.btn-light{border-color:var(--paper);color:var(--paper)}
.btn-light:hover{background:var(--paper);color:var(--ink)}
.lnk{font-weight:600;color:var(--copper);border-bottom:1px solid currentColor;padding-bottom:1px;transition:.2s}
.lnk:hover{opacity:.6}

/* Reveal on scroll */
.rv{opacity:0;transform:translateY(24px);transition:opacity .75s var(--ease),transform .75s var(--ease)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ------------------------------------------------------------------ Header */
header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,243,238,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;transition:border-color .3s;
}
header.stuck{border-color:var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--serif);font-size:22px;letter-spacing:-.01em}
.brand .mark{width:26px;height:26px;flex:none}
.brand b{font-weight:400}
.nav-links{display:flex;gap:32px;align-items:center}
.nav-links a{font-size:14.5px;font-weight:500;color:var(--ink-soft);position:relative;transition:.2s color}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-6px;width:0;height:1.5px;
  background:var(--copper);transition:width .25s var(--ease);
}
.nav-links a:hover,.nav-links a.on{color:var(--ink)}
.nav-links a.on::after,.nav-links a:hover::after{width:100%}
.nav-cta{border:1px solid var(--ink);padding:9px 18px!important;border-radius:2px;font-weight:600!important;color:var(--ink)!important}
.nav-cta::after{display:none}
.nav-cta:hover{background:var(--ink);color:var(--paper)!important}

.burger{display:none;background:none;border:0;cursor:pointer;padding:8px;margin-right:-8px}
.burger span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;transition:.3s var(--ease)}
.mobile-menu{display:none}

@media(max-width:840px){
  .nav-links{display:none}
  .burger{display:block}
  body.menu-open{overflow:hidden}
  body.menu-open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  body.menu-open .burger span:nth-child(2){opacity:0}
  body.menu-open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .mobile-menu{
    display:flex;flex-direction:column;gap:6px;
    position:fixed;inset:74px 0 0;z-index:70;background:var(--paper);
    padding:34px 28px;transform:translateX(100%);transition:transform .35s var(--ease);
  }
  body.menu-open .mobile-menu{transform:none}
  .mobile-menu a{font-family:var(--serif);font-size:34px;padding:10px 0;border-bottom:1px solid var(--line);color:var(--ink)}
  .mobile-menu a em{font-style:italic;color:var(--copper)}
}

/* ------------------------------------------------------------------ Page hero (interior pages) */
.page-hero{padding:84px 0 56px;border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(44px,6.4vw,78px);margin-top:22px;max-width:820px}
.page-hero .lead{font-size:clamp(17px,1.5vw,19.5px);color:var(--ink-soft);max-width:600px;margin-top:22px}

/* ------------------------------------------------------------------ Sections */
.sec{padding:96px 0}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:56px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(34px,4.4vw,54px);margin-top:18px;max-width:640px}
.sec-head .side{max-width:330px;color:var(--ink-soft);font-size:15.5px}

.band{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band-dark{background:var(--panel);color:var(--panel-soft)}
.band-dark .kicker{color:var(--panel-mute)}
.band-dark h2,.band-dark h3{color:#f2ede3}

/* ------------------------------------------------------------------ Footer */
footer{background:var(--panel);color:var(--panel-soft);padding:76px 0 34px;font-size:14.5px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:52px;border-bottom:1px solid var(--panel-line)}
.foot-brand{font-family:var(--serif);font-size:24px;color:#f2ede3;display:flex;align-items:center;gap:11px;margin-bottom:16px}
.foot-brand .mark{width:24px;height:24px}
.foot-tag{color:var(--panel-mute);max-width:300px;line-height:1.6}
.foot-h{font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--panel-mute);margin-bottom:18px}
.foot-col a{display:block;padding:5px 0;color:var(--panel-soft);transition:.2s}
.foot-col a:hover{color:#fff;padding-left:4px}
.foot-contact p{color:var(--panel-soft);margin-bottom:10px;line-height:1.55}
.foot-contact a{color:#f2ede3;border-bottom:1px solid var(--panel-line)}
.foot-contact a:hover{border-color:var(--copper)}
.foot-base{display:flex;justify-content:space-between;align-items:center;gap:18px;padding-top:26px;color:var(--panel-mute);font-size:13px;flex-wrap:wrap}
.foot-base a{color:var(--panel-mute)}
.foot-base a:hover{color:#fff}
@media(max-width:840px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr}}

/* ------------------------------------------------------------------ Work cards */
.work-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px 36px}
@media(max-width:760px){.work-grid{grid-template-columns:1fr}}
.work-card{display:block;group:card}
.work-cover{
  aspect-ratio:4/3;border:1px solid var(--line);overflow:hidden;position:relative;
  background:var(--paper-2);
}
.work-cover svg{width:100%;height:100%;transition:transform .6s var(--ease)}
.work-card:hover .work-cover svg{transform:scale(1.035)}
.work-meta{display:flex;justify-content:space-between;align-items:baseline;margin-top:18px;gap:14px}
.work-meta h3{font-size:26px}
.work-meta .tag{font-family:var(--mono);font-size:12px;color:var(--ink-mute);letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}
.work-card p{color:var(--ink-soft);font-size:15px;margin-top:8px;max-width:440px}

/* Case study page blocks */
.case-fact{border-top:1px solid var(--line);padding:18px 0}
.case-fact dt{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:6px}
.case-fact dd{font-size:15.5px;color:var(--ink)}

/* ------------------------------------------------------------------ Service rows */
.svc-row{
  display:grid;grid-template-columns:110px 1.1fr 1.6fr auto;gap:28px;align-items:start;
  padding:38px 0;border-top:1px solid var(--line);transition:background .25s;
}
.svc-row > .num{
  font-family:var(--serif);font-size:clamp(38px,4.4vw,60px);line-height:.9;
  color:var(--copper);letter-spacing:0;
}
@supports(-webkit-text-stroke:1px black){
  .svc-row > .num{color:transparent;-webkit-text-stroke:1.2px var(--copper)}
  .svc-row:hover > .num{color:var(--copper);-webkit-text-stroke:1.2px transparent}
}
.svc-row:last-child{border-bottom:1px solid var(--line)}
.svc-row h3{font-size:30px}
.svc-row p{color:var(--ink-soft);font-size:15.5px;max-width:520px}
.svc-row .svc-list{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px}
.svc-chip{font-family:var(--mono);font-size:12px;color:var(--ink-soft);border:1px solid var(--line-2);padding:5px 12px;border-radius:99px;white-space:nowrap}
.svc-row .go{font-size:22px;color:var(--ink-mute);transition:.25s var(--ease);align-self:center}
.svc-row:hover .go{color:var(--copper);transform:translateX(5px)}
@media(max-width:840px){.svc-row{grid-template-columns:1fr;gap:12px}.svc-row .go{display:none}}

/* ------------------------------------------------------------------ Process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--panel-line)}
@media(max-width:920px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:540px){.steps{grid-template-columns:1fr}}
.step{padding:34px 28px;border-right:1px solid var(--panel-line);border-bottom:1px solid var(--panel-line)}
.step .num{color:var(--copper)}
.step h3{font-size:24px;margin:14px 0 10px}
.step p{font-size:14.5px;color:var(--panel-mute);line-height:1.6}
.step .dur{font-family:var(--mono);font-size:12px;color:var(--panel-mute);margin-top:16px;display:block}

/* ------------------------------------------------------------------ Quotes */
.quote{border-left:2px solid var(--copper);padding:6px 0 6px 28px}
.quote p{font-family:var(--serif);font-size:clamp(20px,2.2vw,26px);line-height:1.35;font-style:italic}
.quote cite{display:block;margin-top:16px;font-style:normal;font-size:14px;color:var(--ink-mute)}
.quote cite b{color:var(--ink);font-weight:600}

/* ------------------------------------------------------------------ FAQ */
.faq details{border-top:1px solid var(--line)}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{
  cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;
  gap:20px;padding:24px 0;font-family:var(--serif);font-size:clamp(19px,2vw,23px);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary .pm{font-family:var(--mono);font-size:20px;color:var(--ink-mute);transition:.25s;flex:none}
.faq details[open] summary .pm{transform:rotate(45deg);color:var(--copper)}
.faq .faq-body{padding:0 0 26px;color:var(--ink-soft);font-size:15.5px;max-width:700px}

/* ------------------------------------------------------------------ Forms */
.field{margin-bottom:22px}
.field label{display:block;font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:9px}
.field input,.field select,.field textarea{
  width:100%;font-family:var(--sans);font-size:16px;color:var(--ink);
  background:transparent;border:0;border-bottom:1px solid var(--line-2);
  padding:10px 2px;border-radius:0;transition:border-color .25s;-webkit-appearance:none;appearance:none;
}
.field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23544d42' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 4px center}
.field textarea{min-height:120px;resize:vertical;line-height:1.6}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--copper)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:26px}
@media(max-width:600px){.field-row{grid-template-columns:1fr}}
.form-note{font-size:13px;color:var(--ink-mute);margin-top:14px}
.form-ok{
  display:none;border:1px solid var(--copper);background:var(--copper-wash);
  padding:22px 26px;margin-top:26px;font-size:15px;color:var(--ink);
}
.form-ok.show{display:block}
.form-err{display:none;border:1px solid #b03030;background:#f6e4e0;padding:16px 22px;margin-top:26px;font-size:14.5px}
.form-err.show{display:block}

/* ------------------------------------------------------------------ CTA band */
.cta{padding:110px 0;text-align:center}
.cta h2{font-size:clamp(40px,6vw,72px);max-width:780px;margin:20px auto 0}
.cta p{color:var(--panel-mute);max-width:460px;margin:22px auto 34px;font-size:16.5px}

/* ------------------------------------------------------------------ Legal pages */
.legal{padding:70px 0 100px}
.legal h1{font-size:clamp(38px,5vw,58px);margin:18px 0 10px}
.legal .updated{font-family:var(--mono);font-size:13px;color:var(--ink-mute);margin-bottom:44px}
.legal h2{font-size:26px;margin:44px 0 14px;padding-top:34px;border-top:1px solid var(--line)}
.legal h3{font-size:20px;margin:26px 0 10px;font-family:var(--sans);font-weight:600}
.legal p,.legal li{color:var(--ink-soft);font-size:15.5px;margin-bottom:13px;line-height:1.75}
.legal ul,.legal ol{padding-left:22px;margin-bottom:16px}
.legal a{color:var(--copper);border-bottom:1px solid currentColor}
.legal .toc{border:1px solid var(--line);background:var(--paper-2);padding:24px 28px;margin-bottom:20px}
.legal .toc p{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:12px}
.legal .toc a{display:inline-block;border:0;margin:3px 14px 3px 0;font-size:14.5px}

/* ------------------------------------------------------------------ Misc */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
@media(max-width:760px){.stat-row{grid-template-columns:1fr 1fr}}
.stat{background:var(--paper);padding:34px 28px}
.stat b{font-family:var(--serif);font-size:clamp(52px,5.6vw,80px);font-weight:400;display:block;line-height:1;white-space:nowrap}
.stat b em{color:var(--copper);font-style:normal}
.stat b span{font-size:inherit;display:inline;color:inherit;margin:0}
.stat > span{font-size:13.5px;color:var(--ink-soft);display:block;margin-top:14px}

.rule{height:1px;background:var(--line);border:0}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--paper);padding:10px 18px;z-index:200}
.skip-link:focus{left:12px;top:12px}

/* Custom cursor (desktop only — created by site.js) */
.cursor-dot{
  position:fixed;top:0;left:0;width:12px;height:12px;border-radius:50%;
  background:#f6f3ee;mix-blend-mode:difference;z-index:999;pointer-events:none;
  transition:width .3s var(--ease),height .3s var(--ease);
  will-change:transform;
}
.cursor-dot.grow{width:56px;height:56px}
@media(hover:none),(prefers-reduced-motion:reduce){.cursor-dot{display:none}}