/* ==========================================================================
   PileUp Digital — Editorial Studio design system
   Warm paper canvas, Bricolage Grotesque display + Inter body, terracotta accent,
   warm-dark hero/case/footer moments. Reveal keyed off .visible (main.js).
   ========================================================================== */

:root{
  --paper:#F4EEE3;
  --paper-2:#EDE5D6;
  --ink:#1A1613;
  --ink-soft:#5B534A;
  --ink-faint:#8A8071;
  --accent:#D2552B;
  --accent-deep:#B0431F;
  --line:#DBD1BF;
  --line-soft:#E4DBCB;
  --dark:#161310;
  --dark-2:#211B15;
  --paper-on-dark:#F4EEE3;
  --muted-on-dark:#C9BFB2;
  --faint-on-dark:#B7ADA0;
  --radius:26px;
  --maxw:1140px;
  --ease:cubic-bezier(.16,1,.3,1);
  --ease-out:cubic-bezier(.25,.46,.45,.94);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--paper);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  line-height:1.5;
  letter-spacing:-.011em;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.serif{font-family:'Bricolage Grotesque','Inter',sans-serif}
.container,.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}

/* ---------- Eyebrow label ---------- */
.section-label,.label{
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);font-weight:600;display:inline-flex;align-items:center;gap:10px;
}
.section-label::before,.label::before{content:"";width:26px;height:1px;background:var(--accent);opacity:.7}
.on-dark .section-label,.on-dark .label{color:var(--accent)}

/* ---------- Headings ---------- */
h1,h2,h3,h4{font-family:'Bricolage Grotesque','Inter',sans-serif;font-weight:600;letter-spacing:-.02em;line-height:1.08}
h2.big{font-size:clamp(30px,4.4vw,48px);line-height:1.06;letter-spacing:-.025em;margin-top:16px}
h2.big em,.serif em{font-style:normal;font-weight:700;color:var(--accent)}
.lead{font-size:clamp(17px,1.7vw,20px);color:var(--ink-soft);line-height:1.55;letter-spacing:-.01em}

/* ---------- Buttons ---------- */
.btn,.hero-btn{
  display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:15px;
  padding:15px 26px;border-radius:100px;cursor:pointer;
  transition:transform .15s var(--ease-out),background .2s,border-color .2s,box-shadow .2s,color .2s;
  font-family:'Inter',sans-serif;
}
.btn svg,.hero-btn svg{transition:transform .2s var(--ease-out)}
.btn:hover svg,.hero-btn:hover svg{transform:translateX(4px)}
.btn-primary,.hero-cta{background:var(--accent);color:#fff}
.btn-primary:hover,.hero-cta:hover{transform:translateY(-2px);background:var(--accent-deep);box-shadow:0 10px 28px rgba(210,85,43,.28)}
.btn-primary:active,.hero-cta:active{transform:translateY(0) scale(.97)}
.btn-ghost,.hero-secondary{border:1px solid var(--line);color:var(--ink);background:transparent}
.btn-ghost:hover,.hero-secondary:hover{transform:translateY(-2px);border-color:var(--ink-soft)}
.on-dark .btn-ghost,.on-dark .hero-secondary,
.hero .btn-ghost,.hero .hero-secondary{border-color:rgba(255,255,255,.25);color:var(--paper-on-dark)}
.on-dark .btn-ghost:hover,.on-dark .hero-secondary:hover,
.hero .btn-ghost:hover,.hero .hero-secondary:hover{border-color:rgba(255,255,255,.5)}
.dark-btn{background:var(--dark);color:#fff}
.dark-btn:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(0,0,0,.25)}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:100;background:rgba(22,19,16,.9);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:15px 28px;display:flex;align-items:center;justify-content:space-between;color:var(--paper-on-dark)}
.nav-logo{font-family:'Bricolage Grotesque','Inter',sans-serif;font-weight:600;font-size:20px;letter-spacing:-.01em;display:flex;align-items:center;gap:10px}
.nav-logo img{height:30px;width:auto}
.nav-logo b{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none;font-size:14px;font-weight:500}
.nav-links a{color:rgba(244,238,227,.82);transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--paper-on-dark)}
.nav-cta{background:var(--accent);color:#fff!important;padding:9px 18px;border-radius:100px;font-size:13px;font-weight:600;transition:transform .15s var(--ease-out),background .2s}
.nav-cta:hover{transform:translateY(-1px);background:var(--accent-deep)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:22px;height:2px;background:var(--paper-on-dark);border-radius:2px;transition:transform .25s var(--ease),opacity .25s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero (dark moment) ---------- */
.hero{background:var(--dark);color:var(--paper-on-dark);padding:96px 0 108px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-160px;top:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(210,85,43,.32),transparent 70%);filter:blur(24px);pointer-events:none}
.hero .container,.hero .wrap{position:relative;z-index:2}
.hero h1{font-size:clamp(40px,6.2vw,76px);line-height:1.02;letter-spacing:-.028em;max-width:16ch}
.hero h1 em{font-style:normal;font-weight:700;color:var(--accent)}
.hero p{margin-top:26px;font-size:clamp(17px,1.7vw,20px);line-height:1.55;max-width:54ch;color:var(--muted-on-dark)}
.hero-buttons,.hero-btns{margin-top:38px;display:flex;gap:14px;flex-wrap:wrap}
/* compact hero for interior pages */
.hero.hero-sm{padding:76px 0 84px}
.hero.hero-sm h1{font-size:clamp(36px,5vw,60px)}

/* ---------- Generic section ---------- */
section.pad{padding:96px 0;position:relative}
.sec-head{max-width:760px}
.sec-sub{margin-top:16px;color:var(--ink-soft);font-size:17px;max-width:54ch;line-height:1.6}
.alt{background:var(--paper-2)}
.section-link{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:var(--accent)}
.section-link svg{transition:transform .2s var(--ease-out)}
.section-link:hover svg{transform:translateX(4px)}
.home-section-header{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap;margin-bottom:8px}

/* ---------- Trust bar ---------- */
.trust{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:24px 0}
.trust-in{max-width:var(--maxw);margin:0 auto;padding:0 28px;display:flex;align-items:center;justify-content:center;gap:16px 34px;flex-wrap:wrap;font-size:14px;color:var(--ink-soft);font-weight:500;text-align:center}
.trust-in b{color:var(--ink);font-weight:600}
.trust-in .sep{width:4px;height:4px;border-radius:50%;background:var(--ink-faint)}

/* ---------- Services grid ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:48px;border-top:1px solid var(--line)}
.svc{padding:32px 28px 34px 0;border-bottom:1px solid var(--line);border-right:1px solid var(--line)}
.svc:nth-child(3n){border-right:none;padding-right:0}
.svc .num{font-family:'Bricolage Grotesque','Inter',sans-serif;font-size:15px;color:var(--accent);font-weight:600}
.svc h3{font-size:23px;font-weight:600;margin:14px 0 10px;letter-spacing:-.01em}
.svc p{font-size:15px;color:var(--ink-soft);line-height:1.6}

/* ---------- Case study (dark) ---------- */
.case{background:var(--dark);color:var(--paper-on-dark);border-radius:var(--radius);overflow:hidden;margin-top:8px;
  display:grid;grid-template-columns:1.05fr .95fr}
.case-l{padding:52px 46px}
.case-tag{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:600}
.case-meta{font-size:12px;color:var(--faint-on-dark);letter-spacing:.03em;display:flex;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.case-meta b{color:var(--accent);font-weight:600;font-size:11px;letter-spacing:.1em;text-transform:uppercase;margin-right:6px}
.case h3{font-size:clamp(26px,2.9vw,34px);font-weight:600;margin:14px 0 8px;letter-spacing:-.02em;line-height:1.12}
.case h3 em{font-style:normal;font-weight:700;color:var(--accent)}
.case .sub{color:var(--muted-on-dark);font-size:15px}
.case p.body{margin-top:20px;color:var(--muted-on-dark);font-size:16px;line-height:1.66;max-width:54ch}
.case p.body em{color:var(--paper-on-dark);font-style:normal;font-weight:500}
.case-stats{display:flex;gap:34px;margin-top:30px;flex-wrap:wrap}
.cs .n{font-family:'Bricolage Grotesque','Inter',sans-serif;font-size:34px;font-weight:600;color:var(--accent);line-height:1}
.cs .l{font-size:12px;color:var(--faint-on-dark);letter-spacing:.02em;margin-top:8px}
.case-r{background:linear-gradient(150deg,var(--dark-2),var(--dark));padding:52px 46px;display:flex;flex-direction:column;justify-content:center;border-left:1px solid rgba(255,255,255,.07)}
.quote{font-family:'Bricolage Grotesque','Inter',sans-serif;font-size:22px;line-height:1.5;font-weight:500}
.quote::before{content:"\201C";color:var(--accent);font-size:44px;line-height:0;vertical-align:-8px;margin-right:4px}
.byline{margin-top:24px;display:flex;align-items:center;gap:13px}
.avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(150deg,var(--accent),var(--accent-deep));display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;font-size:15px;flex-shrink:0}
.byline .who{font-size:14px;font-weight:600}
.byline .role{font-size:13px;color:var(--faint-on-dark)}
.pending{margin-top:18px;font-size:11px;color:var(--ink-faint);font-style:italic;display:flex;align-items:center;gap:7px}
.pending::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);opacity:.6}

/* ---------- "Own products" block ---------- */
.own{margin-top:16px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:44px 46px;
  display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center}
.own .tag{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:600}
.own h3{font-size:26px;font-weight:600;letter-spacing:-.01em;margin:14px 0 10px}
.own p{color:var(--ink-soft);font-size:15.5px;line-height:1.65;max-width:60ch}
.own-stats{display:flex;gap:30px}
.own-stats .n{font-family:'Bricolage Grotesque','Inter',sans-serif;font-size:28px;font-weight:600;color:var(--ink)}
.own-stats .l{font-size:11px;color:var(--ink-faint);letter-spacing:.03em;margin-top:4px;text-transform:uppercase}

/* ---------- Statement (airy) ---------- */
.stmt{padding:120px 0;text-align:center}
.stmt .section-label{justify-content:center;margin-bottom:10px}
.stmt h2{font-size:clamp(28px,4.2vw,46px);font-weight:600;letter-spacing:-.02em;line-height:1.16;max-width:20ch;margin:0 auto}
.stmt h2 em{font-style:normal;font-weight:700;color:var(--accent)}

/* ---------- Process steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:48px}
.step .sn{font-family:'Bricolage Grotesque','Inter',sans-serif;font-size:44px;font-weight:600;color:var(--line);line-height:1}
.step h4{font-size:18px;font-weight:600;margin:8px 0 8px}
.step p{font-size:14px;color:var(--ink-soft);line-height:1.55}

/* ---------- CTA band ---------- */
.cta,.home-cta-band{background:var(--accent);color:#fff;border-radius:var(--radius);padding:64px 44px;text-align:center}
.cta h2,.home-cta-band h2{font-size:clamp(30px,4vw,44px);font-weight:600;letter-spacing:-.02em}
.cta h2 em,.home-cta-band h2 em{font-style:normal;font-weight:700;color:#fff}
.cta p,.home-cta-band p{margin:16px auto 30px;max-width:48ch;opacity:.94;font-size:17px}
.cta .btn,.home-cta-band .btn,.cta .hero-btn{background:var(--dark);color:#fff}
.cta .btn:hover,.cta .hero-btn:hover{box-shadow:0 10px 28px rgba(0,0,0,.25)}
.cta .meta{margin-top:24px;font-size:12px;letter-spacing:.04em;color:rgba(255,255,255,.85)}

/* ---------- Footer ---------- */
footer{background:var(--dark);color:var(--faint-on-dark);padding:40px 0;font-size:13px}
.footer-inner,.foot-in{max-width:var(--maxw);margin:0 auto;padding:0 28px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.footer-links,.foot-links{display:flex;gap:22px;align-items:center}
footer a{color:var(--muted-on-dark);transition:color .2s}
footer a:hover{color:var(--paper-on-dark)}

/* ---------- Cards (demo apps / generic) ---------- */
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:40px}
.mini-card{background:var(--paper-2);border:1px solid var(--line);border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:8px;
  transition:transform .25s var(--ease-out),border-color .25s,box-shadow .25s}
.mini-card:hover{transform:translateY(-4px);border-color:var(--ink-faint);box-shadow:0 14px 30px rgba(26,22,19,.08)}
.mini-card h4{font-size:19px;font-weight:600}
.mini-card p{font-size:14px;color:var(--ink-soft);line-height:1.55;flex:1}
.mini-tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:6px}
.tag{font-size:11px;font-weight:600;letter-spacing:.02em;color:var(--ink-soft);background:rgba(26,22,19,.05);border:1px solid var(--line);padding:4px 10px;border-radius:100px}
.on-dark .tag{color:var(--muted-on-dark);background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12)}

/* ---------- What-you-get list (services detail) ---------- */
.getlist{list-style:none;margin:16px 0 0;display:grid;gap:9px}
.getlist li{position:relative;padding-left:26px;font-size:14.5px;color:var(--ink-soft);line-height:1.5}
.getlist li::before{content:"";position:absolute;left:0;top:7px;width:14px;height:14px;border-radius:50%;
  background:var(--accent-soft,rgba(210,85,43,.14));border:1.5px solid var(--accent)}
.stack-line{margin-top:16px;font-size:12px;letter-spacing:.05em;color:var(--ink-faint);text-transform:uppercase}

/* ---------- Split two-column ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.split h3{font-size:22px;letter-spacing:-.01em;margin-bottom:12px}
.split p{color:var(--ink-soft);font-size:16px;line-height:1.66}
.narrative{padding:56px 0 8px}
@media(max-width:820px){.split{grid-template-columns:1fr;gap:32px}}

/* ---------- Case study index (work) ---------- */
.case-block{margin-top:24px}
.work-num{font-family:'Bricolage Grotesque','Inter',sans-serif;font-size:14px;color:var(--accent);font-weight:600}

/* ---------- Screenshot gallery ---------- */
.shots{margin-top:32px;display:grid;gap:22px}
.shot{margin:0}
.shot img{width:100%;height:auto;display:block;border-radius:14px;border:1px solid var(--line);box-shadow:0 24px 60px rgba(26,22,19,.16)}
.shot figcaption{margin-top:13px;font-size:13.5px;color:var(--ink-soft);line-height:1.5}
.shot figcaption b{color:var(--ink);font-weight:600}
.shots-row{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:820px){.shots-row{grid-template-columns:1fr}}

/* ---------- Services detail ---------- */
.svc-detail{display:grid;grid-template-columns:.82fr 1.18fr;gap:48px;padding:56px 0;border-top:1px solid var(--line)}
.svc-detail:first-of-type{border-top:none;padding-top:8px}
.svc-detail .sd-num{font-family:'Bricolage Grotesque','Inter',sans-serif;font-size:14px;color:var(--accent);font-weight:600;letter-spacing:.02em}
.svc-detail h3{font-size:clamp(24px,2.6vw,32px);letter-spacing:-.02em;margin-top:12px}
.svc-detail .sd-body>p{color:var(--ink-soft);font-size:16px;line-height:1.65;max-width:56ch}
@media(max-width:820px){.svc-detail{grid-template-columns:1fr;gap:16px;padding:40px 0}}

/* ---------- Contact form ---------- */
.contact-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start}
.contact-form{display:grid;gap:18px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-group{display:flex;flex-direction:column;gap:7px}
.form-group label{font-size:13px;font-weight:600;color:var(--ink)}
.form-group input,.form-group select,.form-group textarea{
  font-family:'Inter',sans-serif;font-size:15px;color:var(--ink);background:#fff;
  border:1px solid var(--line);border-radius:12px;padding:13px 15px;transition:border-color .2s,box-shadow .2s;width:100%;
}
.form-group textarea{resize:vertical;min-height:130px}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(210,85,43,.14)}
.form-status{font-size:14px;margin-top:4px;min-height:20px}
.form-status.form-success{color:#2e7d32}
.form-status.form-error{color:#c0392b}
.contact-aside .card{background:var(--paper-2);border:1px solid var(--line);border-radius:18px;padding:26px;margin-bottom:16px}
.contact-aside h4{font-size:16px;margin-bottom:8px}
.contact-aside p{font-size:14px;color:var(--ink-soft);line-height:1.6}

/* ---------- Reveal (matches js/main.js: adds .visible) ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.visible{opacity:1;transform:none}
.stagger .reveal:nth-child(2){transition-delay:.07s}
.stagger .reveal:nth-child(3){transition-delay:.14s}
.stagger .reveal:nth-child(4){transition-delay:.21s}
.stagger .reveal:nth-child(5){transition-delay:.28s}
.stagger .reveal:nth-child(6){transition-delay:.35s}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .case{grid-template-columns:1fr}
  .case-r{border-left:none;border-top:1px solid rgba(255,255,255,.07)}
  .own{grid-template-columns:1fr}
  .contact-wrap{grid-template-columns:1fr;gap:32px}
}
@media(max-width:820px){
  .svc-grid{grid-template-columns:1fr}
  .svc{border-right:none!important;padding-right:0}
  .steps{grid-template-columns:1fr 1fr}
  .mini-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  section.pad{padding:64px 0}
  .hero{padding:72px 0 80px}
  .nav-toggle{display:flex}
  .nav-links{
    position:fixed;inset:0 0 0 auto;top:0;width:min(78vw,320px);height:100vh;
    background:var(--dark);flex-direction:column;align-items:flex-start;justify-content:center;gap:26px;
    padding:40px;font-size:19px;transform:translateX(100%);transition:transform .3s var(--ease);z-index:120;
  }
  .nav-links.open{transform:translateX(0);box-shadow:-20px 0 60px rgba(0,0,0,.4)}
  .nav-cta{padding:12px 22px;font-size:15px}
  body.nav-open{overflow:hidden}
}
@media(max-width:520px){
  .steps{grid-template-columns:1fr}
  .mini-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .case-l,.case-r,.own{padding:34px 26px}
}

/* ---------- Reduced motion ---------- */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}