/* ============================================================
   STUDIO CHOP DIGITAL · Demo: design studio portfolio showcase
   Anonymised upgrade demo for svettools.com prospect
   Design system: editorial, paper + ink, deep blue + copper
   ============================================================ */

:root{
  --paper:#F6F3EC;
  --surface:#FFFFFF;
  --ink:#17242E;
  --ink-soft:#223440;
  --deep:#2E5F80;
  --deep-2:#76A7C9;
  --copper:#E0915F;
  --copper-deep:#C9713C;
  --muted:#5D6B76;
  --line:rgba(23,36,46,.14);
  --line-soft:rgba(23,36,46,.08);
  --hair:rgba(23,36,46,.05);
  --maxw:1240px;
  --gutter:clamp(20px,4.5vw,64px);
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Archivo",-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --ease:cubic-bezier(.22,.61,.21,1);
  --shadow:0 1px 0 rgba(23,36,46,.04),0 18px 40px -24px rgba(23,36,46,.35);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.65;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--deep);text-decoration:none}
a:hover{color:var(--copper-deep)}
::selection{background:var(--copper);color:var(--ink)}
:focus-visible{outline:2px solid var(--copper);outline-offset:3px;border-radius:2px}

h1,h2,h3,h4{font-family:var(--serif);font-weight:520;line-height:1.06;color:var(--ink);margin:0 0 .4em}
h1{font-size:clamp(2.6rem,6.5vw,5.2rem);letter-spacing:-.015em}
h2{font-size:clamp(1.9rem,4vw,3rem);letter-spacing:-.01em}
h3{font-size:1.45rem}
p{margin:0 0 1.1em}
.lead{font-size:1.15rem;color:var(--ink-soft)}

/* ---------- layout helpers ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.section{padding:clamp(56px,9vw,120px) 0}
.section.tight{padding:clamp(40px,6vw,80px) 0}
.eyebrow{
  font-family:var(--sans);font-weight:650;font-size:.78rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--copper-deep);
  margin:0 0 1em;display:flex;align-items:center;gap:.7em;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--copper)}
.grid{display:grid;gap:clamp(24px,4vw,48px)}
.cols-2{grid-template-columns:repeat(2,1fr)}
.cols-3{grid-template-columns:repeat(3,1fr)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.55em;
  font-family:var(--sans);font-weight:650;font-size:.95rem;text-decoration:none;
  padding:.85em 1.5em;border-radius:2px;border:1px solid transparent;
  cursor:pointer;transition:transform .18s var(--ease),background .18s,color .18s,border-color .18s;
  line-height:1;min-height:44px;
}
.btn.primary{background:var(--deep);color:#fff}
.btn.primary:hover{background:var(--deep-2);color:var(--ink);transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--copper);color:var(--copper-deep)}
.btn .arrow{transition:transform .18s var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}

/* ---------- top bar / nav ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(246,243,236,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line-soft)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:.6em;font-family:var(--serif);font-weight:600;font-size:1.25rem;color:var(--ink)}
.brand .mark{width:22px;height:22px;transform:rotate(45deg);background:linear-gradient(135deg,var(--deep) 50%,var(--copper) 50%);border-radius:2px}
.nav-links{display:flex;align-items:center;gap:1.6rem;list-style:none;margin:0;padding:0}
.nav-links a{color:var(--ink-soft);font-size:.95rem;font-weight:560}
.nav-links a:hover{color:var(--copper-deep)}
.nav-links a.active{color:var(--deep)}
.lang-link{font-weight:650;color:var(--deep)!important}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:10px;width:44px;height:44px;position:relative}
.nav-toggle span{position:absolute;left:10px;right:10px;height:2px;background:var(--ink);transition:.25s var(--ease)}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:22px}
.nav-toggle span:nth-child(3){top:29px}
.nav.open .nav-toggle span:nth-child(1){top:22px;transform:rotate(45deg)}
.nav.open .nav-toggle span:nth-child(2){opacity:0}
.nav.open .nav-toggle span:nth-child(3){top:22px;transform:rotate(-45deg)}

/* ---------- hero (asymmetric) ---------- */
.hero{position:relative;overflow:hidden;padding:clamp(64px,10vw,150px) 0 clamp(40px,7vw,90px);border-bottom:1px solid var(--line-soft)}
.hero::after{ /* diagonal seam motif */
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(135deg,transparent 0 78%,rgba(46,95,128,.08) 78% 78.4%,transparent 78.4%);
}
.hero .grid{grid-template-columns:1.35fr .9fr;align-items:end;gap:clamp(32px,5vw,72px)}
.hero h1 span{color:var(--deep)}
.hero .kicker{font-family:var(--serif);font-style:italic;font-size:clamp(1.3rem,2.4vw,1.8rem);color:var(--copper-deep);margin:0 0 .5em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:1.6em}
.hero-side p{color:var(--ink-soft)}

/* ---------- services index (editorial list) ---------- */
.services{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.services li{border-bottom:1px solid var(--line)}
.services a{display:grid;grid-template-columns:64px 1fr auto;align-items:center;gap:clamp(16px,3vw,40px);padding:1.5em 0;color:var(--ink)}
.services .num{font-family:var(--serif);font-size:1.1rem;color:var(--muted)}
.services h3{margin:0 0 .2em;font-size:clamp(1.4rem,2.6vw,2rem);transition:color .18s}
.services p{margin:0;color:var(--muted);font-size:.97rem;max-width:56ch}
.services .service-arrow{font-size:1.6rem;color:var(--copper);opacity:0;transform:translateX(-8px);transition:.25s var(--ease)}
.services a:hover .service-arrow{opacity:1;transform:none}
.services a:hover h3{color:var(--deep)}

/* ---------- work gallery (explore) ---------- */
.work-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:2rem}
.work-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(14px,2.4vw,28px)}
.tile{position:relative;border-radius:3px;overflow:hidden;background:var(--hair);min-height:220px}
.tile figure{margin:0;display:grid;place-items:center;height:100%;min-height:220px;color:rgba(255,255,255,.9)}
.tile figcaption{position:absolute;left:0;right:0;bottom:0;padding:2.4rem 1.2rem .9rem;background:linear-gradient(transparent,rgba(23,36,46,.7));color:#fff;font-size:.92rem}
.tile figcaption strong{display:block;font-family:var(--serif);font-size:1.15rem;font-weight:600}
.tile figcaption span{font-size:.82rem;opacity:.85}
.tile .tag{position:absolute;top:14px;left:14px;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;background:rgba(246,243,236,.9);color:var(--ink);padding:.3em .7em;border-radius:2px;font-weight:650}
.w-5{grid-column:span 5}.w-7{grid-column:span 7}.w-4{grid-column:span 4}.w-8{grid-column:span 8}
/* abstract placeholder art */
.art{position:absolute;inset:0;display:block}
.art-i{background:
  radial-gradient(circle at 30% 40%,var(--deep-2) 0 22%,transparent 22%),
  radial-gradient(circle at 60% 65%,var(--copper) 0 16%,transparent 16%),
  linear-gradient(135deg,var(--deep),var(--deep-2))}
.art-p{background:
  repeating-linear-gradient(45deg,var(--copper) 0 14px,transparent 14px 28px),
  linear-gradient(160deg,var(--ink),#31464f)}
.art-s{background:
  linear-gradient(200deg,var(--paper),#e9e2d3);
  border:1px solid var(--line)}
.art-s::after{content:"";position:absolute;inset:12%;border:1.5px solid var(--copper-deep);border-radius:50%}
.art-i2{background:
  radial-gradient(circle at 70% 30%,#fff 0 6%,transparent 6%),
  linear-gradient(135deg,var(--deep-2),var(--deep))}
.art-p2{background:repeating-linear-gradient(90deg,var(--deep) 0 12px,var(--deep-2) 12px 24px)}

/* ---------- about / process ---------- */
.about .grid{grid-template-columns:1fr 1fr;align-items:start}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:2.4rem;border-top:1px solid var(--line);padding-top:2rem}
.stat b{font-family:var(--serif);font-size:2.2rem;font-weight:600;color:var(--deep);display:block}
.stat span{color:var(--muted);font-size:.9rem}
.steps{list-style:none;margin:0;padding:0;counter-reset:st}
.steps li{display:grid;grid-template-columns:56px 1fr;gap:20px;padding:1.4em 0;border-top:1px solid var(--line)}
.steps li:last-child{border-bottom:1px solid var(--line)}
.steps .n{counter-increment:st}
.steps .n::before{content:"0" counter(st);font-family:var(--serif);font-size:1.3rem;color:var(--copper-deep)}
.steps h3{margin:0 0 .3em}

/* ---------- testimonials ---------- */
.quote{border-left:3px solid var(--copper);padding:.2em 0 .2em 1.4em;margin:0 0 .6em}
.quote p{font-family:var(--serif);font-style:italic;font-size:clamp(1.2rem,2.2vw,1.6rem);line-height:1.4;color:var(--ink-soft);margin:0}
.quote cite{font-style:normal;font-size:.9rem;color:var(--muted)}

/* ---------- CTA band ---------- */
.cta{background:var(--ink);color:var(--paper);border-radius:4px;padding:clamp(40px,7vw,80px)}
.cta h2{color:var(--paper)}
.cta p{color:#c9d3da;max-width:52ch}
.cta .btn.primary{background:var(--copper);color:var(--ink)}
.cta .btn.primary:hover{background:var(--copper-deep);color:#fff}

/* ---------- page header (subpages) ---------- */
.page-head{padding:clamp(48px,8vw,100px) 0 clamp(24px,4vw,48px);border-bottom:1px solid var(--line-soft)}
.breadcrumb{font-size:.85rem;color:var(--muted);margin-bottom:1.2em}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--copper-deep)}
.page-head h1{max-width:18ch}

/* ---------- prose, lists, details ---------- */
.prose{max-width:72ch}
.prose ul{margin:0 0 1.2em;padding-left:1.2em}
.prose li{margin-bottom:.5em}
.prose li::marker{color:var(--copper-deep)}
.checks{list-style:none;padding:0;margin:0}
.checks li{padding:.4em 0 .4em 1.8em;position:relative;border-bottom:1px dashed var(--line-soft)}
.checks li::before{content:"✓";position:absolute;left:0;color:var(--copper-deep);font-weight:700}
.num-list{list-style:none;counter-reset:nl;margin:0;padding:0}
.num-list li{counter-increment:nl;display:grid;grid-template-columns:44px 1fr;gap:18px;padding:1.2em 0;border-top:1px solid var(--line)}
.num-list li::before{content:"0" counter(nl);font-family:var(--serif);color:var(--copper-deep);font-size:1.25rem}
.num-list h3{margin:0 0 .2em}
.num-list p{margin:0;color:var(--muted)}

/* ---------- contact form ---------- */
.form{display:grid;gap:1.2rem}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.field label{display:block;font-size:.85rem;font-weight:650;margin-bottom:.4em}
.field input,.field select,.field textarea{
  width:100%;font-family:var(--sans);font-size:1rem;color:var(--ink);
  background:var(--surface);border:1px solid var(--line);border-radius:2px;
  padding:.8em .9em;transition:border-color .18s,border .18s
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--deep)}
.field textarea{min-height:150px;resize:vertical}
.form-note{font-size:.82rem;color:var(--muted)}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--ink);color:#b9c4cc;margin-top:40px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:clamp(24px,4vw,60px);padding:clamp(40px,6vw,72px) 0 32px}
.site-footer h4{color:var(--paper);font-family:var(--sans);font-weight:650;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;margin:0 0 1em}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:.55em}
.site-footer a{color:#b9c4cc}
.site-footer a:hover{color:var(--copper)}
.social{display:flex;gap:12px;margin-top:1em}
.social a{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid rgba(255,255,255,.18);border-radius:50%;font-size:.85rem}
.social a:hover{border-color:var(--copper);color:var(--copper)}
.foot-legal{display:flex;flex-wrap:wrap;gap:18px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);font-size:.82rem}

/* ---------- responsive ---------- */
@media(max-width:960px){
  .hero .grid,.about .grid{grid-template-columns:1fr}
  .cols-3{grid-template-columns:1fr}
  .w-5,.w-7,.w-4,.w-8{grid-column:span 12}
  .stat-row{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr 1fr}
  .nav-links{
    position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:flex-start;
    gap:0;background:var(--paper);padding:12px 24px 24px;border-bottom:1px solid var(--line);
    display:none;
  }
  .nav-links a{padding:.9em 0;font-size:1.15rem;width:100%;border-bottom:1px solid var(--line-soft)}
  .nav-toggle{display:block}
}
@media(max-width:560px){
  .cols-2,.form .row,.foot{grid-template-columns:1fr}
  .services a{grid-template-columns:40px 1fr}
  .services .service-arrow{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}