/* ZUKOD — mockup stylesheet (light & airy, corporate) */
:root{
  --ink:#1b1e23;
  --ink-soft:#565d66;
  --ink-faint:#8a929b;
  --red:#e2201a;
  --red-dark:#bd1812;
  --line:#e9eaec;
  --bg:#ffffff;
  --bg-soft:#f6f7f9;
  --bg-dark:#16181c;
  --radius:14px;
  --maxw:1160px;
  --shadow:0 1px 2px rgba(16,18,22,.04), 0 8px 30px rgba(16,18,22,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);background:var(--bg);
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;margin:0 0 .4em}
h1{font-size:clamp(2.1rem,4.5vw,3.4rem);font-weight:800}
h2{font-size:clamp(1.6rem,3vw,2.3rem);font-weight:780}
h3{font-size:1.18rem;font-weight:700}
p{margin:0 0 1rem}
.eyebrow{
  display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--red);margin-bottom:1rem;
}
.lead{font-size:1.2rem;color:var(--ink-soft);max-width:60ch}
.muted{color:var(--ink-soft)}

/* buttons */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;font-weight:650;font-size:.98rem;
  padding:.8rem 1.5rem;border-radius:10px;border:1px solid transparent;cursor:pointer;
  transition:.18s ease;
}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-dark);transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:#cfd3d8;background:var(--bg-soft)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{transform:translateY(-1px)}

/* header */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:96px}
.brand{display:flex;align-items:center;gap:.6rem}
.brand img{height:72px;width:auto}
.brand .brand-sub{font-size:.7rem;letter-spacing:.18em;color:var(--ink-faint);text-transform:uppercase;font-weight:700}
.menu{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.menu>li{position:relative}
.menu>li>a{
  display:block;padding:.55rem .85rem;border-radius:8px;font-size:.96rem;font-weight:550;color:var(--ink-soft);
}
.menu>li>a:hover{color:var(--ink);background:var(--bg-soft)}
.menu>li.active>a{color:var(--ink);font-weight:650}
.has-sub>a::after{content:"▾";font-size:.7rem;margin-left:.35rem;color:var(--ink-faint)}
.submenu{
  position:absolute;top:calc(100% + 8px);left:0;min-width:264px;background:#fff;
  border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;
  opacity:0;visibility:hidden;transform:translateY(6px);transition:.16s ease;list-style:none;margin:0;
}
.has-sub:hover .submenu{opacity:1;visibility:visible;transform:translateY(0)}
.submenu li a{display:block;padding:.6rem .8rem;border-radius:8px;font-size:.94rem;color:var(--ink-soft)}
.submenu li a:hover{background:var(--bg-soft);color:var(--ink)}
.submenu li a small{display:block;color:var(--ink-faint);font-size:.78rem;font-weight:400}
.submenu li a strong{font-weight:650;color:var(--ink)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-cta .btn{padding:.5rem 1.05rem;font-size:.9rem}

/* hero */
.hero{position:relative;overflow:hidden;padding:0;background:linear-gradient(180deg,#fff 0%,var(--bg-soft) 100%)}
.hero .wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:start;padding-top:26px;padding-bottom:24px}
.hero h1 span{color:var(--red)}
.hero .lead{margin-top:.5rem}
.hero-cta{display:flex;gap:14px;margin-top:2rem;flex-wrap:wrap}
.hero-meta{display:flex;gap:28px;margin-top:0;flex-wrap:wrap;justify-content:flex-end;text-align:right}
.hero-meta .num{font-size:1.7rem;font-weight:800;color:var(--ink)}
.hero-meta .lbl{font-size:.85rem;color:var(--ink-faint)}
.hero-partner{margin-top:1.9rem;display:flex;align-items:center;gap:12px}
.hero-partner img{height:76px;width:auto;display:block;filter:drop-shadow(0 6px 16px rgba(16,18,22,.10))}
/* geometric accent echoing the cube logo */
.hero-art{display:flex;flex-direction:column;align-items:flex-end;justify-content:flex-start;gap:1.4rem}
.hero-partner-logo{max-width:200px;width:100%;height:auto;display:block;filter:drop-shadow(0 10px 28px rgba(16,18,22,.12))}
.hero-art .sq{position:absolute;border-radius:16px}
.hero-art .s1{inset:30px 60px 60px 30px;border:3px solid var(--ink);opacity:.9}
.hero-art .s2{inset:70px 20px 30px 80px;border:3px solid var(--red)}
.hero-art .s3{inset:120px 120px 110px 120px;background:var(--red);opacity:.08}
.hero-art .dot{position:absolute;width:10px;height:10px;border-radius:50%;background:var(--red)}

/* sections */
section{padding:84px 0}
.section-head{max-width:62ch;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* service cards */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;
  transition:.18s ease;
}
.card:hover{border-color:#dfe2e6;box-shadow:var(--shadow);transform:translateY(-2px)}
.card .ico{
  width:46px;height:46px;border-radius:11px;background:rgba(226,32,26,.08);color:var(--red);
  display:grid;place-items:center;margin-bottom:18px;font-size:1.3rem;font-weight:800;
}
.card h3{margin-bottom:.45rem}
.card p{color:var(--ink-soft);font-size:.98rem;margin:0}
.card .more{display:inline-block;margin-top:16px;color:var(--red);font-weight:600;font-size:.92rem}

/* feature band */
.band{background:var(--bg-soft)}
.feature{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.feature .f h3{font-size:1.05rem}
.feature .f p{font-size:.94rem;color:var(--ink-soft);margin:0}
.feature .f .k{color:var(--red);font-weight:800;font-size:.9rem;letter-spacing:.04em;margin-bottom:.5rem;display:block}

/* reference logo wall */
.reflogos{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.reflogos .lg{border:1px solid var(--line);border-radius:12px;background:#fff;height:104px;display:grid;place-items:center;padding:18px 22px;transition:.18s}
.reflogos .lg:hover{box-shadow:var(--shadow);border-color:#dfe2e6}
.reflogos .lg img{max-width:100%;max-height:100%;object-fit:contain;filter:grayscale(1);opacity:.7;transition:.2s}
.reflogos .lg:hover img{filter:none;opacity:1}
/* references */
.logos{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.logos .l{
  border:1px solid var(--line);border-radius:10px;padding:14px 26px;color:var(--ink-faint);
  font-weight:700;letter-spacing:.02em;background:#fff;min-width:150px;text-align:center;
}

/* blog teaser / list */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.18s}
.post:hover{box-shadow:var(--shadow);transform:translateY(-2px);border-color:#dfe2e6}
.post .ph{height:186px;overflow:hidden;background:var(--bg-soft);border-bottom:1px solid var(--line)}
.post .ph img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease}
.post:hover .ph img{transform:scale(1.05)}
.post .body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.tag{font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--red)}
.post h3{font-size:1.08rem;margin:.6rem 0 .5rem}
.post p{font-size:.92rem;color:var(--ink-soft)}
.post .date{margin-top:auto;font-size:.82rem;color:var(--ink-faint);padding-top:10px}

/* contact band */
.cta-band{background:var(--bg-dark);color:#fff;border-radius:22px;padding:56px;text-align:center;margin:0 24px}
.cta-band h2{color:#fff}
.cta-band p{color:#c7ccd2;max-width:54ch;margin:0 auto 1.8rem}

/* footer — light & airy */
.site-footer{background:var(--bg-soft);color:var(--ink-soft);font-size:.92rem;margin-top:90px;border-top:1px solid var(--line)}
.site-footer .wrap{padding-top:62px;padding-bottom:30px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:34px}
.site-footer h4{color:var(--ink);font-size:.95rem;margin:0 0 1rem;letter-spacing:.02em}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:.55rem}
.site-footer a:hover{color:var(--red)}
.foot-brand img{height:72px;margin-bottom:14px}
.foot-brand p{max-width:34ch}
.badge{display:inline-block;font-size:.72rem;border:1px solid var(--line);color:var(--ink-soft);background:#fff;border-radius:30px;padding:.3rem .8rem;margin-top:8px}
.foot-bottom{border-top:1px solid var(--line);margin-top:46px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:var(--ink-faint);font-size:.85rem}

/* article */
.article{max-width:760px;margin:0 auto;padding:32px 24px 60px}
.article .meta{color:var(--ink-faint);font-size:.9rem;margin-bottom:1.2rem}
.article .hero-img{margin:1.6rem 0 2rem;border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.article .hero-img img{width:100%;display:block}
.article h1{margin-bottom:.6rem}
.article p,.article li{color:#2c3138}
.article h2{margin-top:2.2rem;font-size:1.5rem}
.article pre{background:#16181c;color:#e8eaed;padding:20px;border-radius:12px;overflow:auto;font-size:.86rem;line-height:1.55}
.article code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.article :not(pre)>code{background:var(--bg-soft);padding:.15em .4em;border-radius:6px;font-size:.88em}
.article blockquote{border-left:3px solid var(--red);margin:1.4rem 0;padding:.2rem 0 .2rem 1.2rem;color:var(--ink-soft)}
.crumbs{font-size:.88rem;color:var(--ink-faint);margin-bottom:1.4rem}
.crumbs a:hover{color:var(--red)}

/* page hero (sub pages) */
.page-hero{background:var(--bg-soft);border-bottom:1px solid var(--line);padding:30px 0 48px}
.page-hero p{max-width:60ch}

/* blog filter */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:34px}
.chip{border:1px solid var(--line);background:#fff;border-radius:30px;padding:.45rem 1rem;font-size:.88rem;color:var(--ink-soft);cursor:pointer}
.chip.active,.chip:hover{border-color:var(--red);color:var(--red)}

/* payta product band */
.payta{background:linear-gradient(180deg,#fffaf3 0%,#fff6ea 100%);border-top:1px solid #f1e6d4;border-bottom:1px solid #f1e6d4;padding-top:34px}
.payta .wrap{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:start}
.payta .eyebrow{color:#e08600}
.payta .pill{display:inline-flex;align-items:center;gap:.5rem;background:#fff;border:1px solid #f0e2cc;border-radius:30px;padding:.35rem .85rem;font-size:.82rem;font-weight:650;color:#b9700a;margin-bottom:1rem}
.payta h2{color:var(--ink)}
.payta p{color:#6b5b45;max-width:46ch}
.payta .pbtn{display:inline-flex;align-items:center;gap:.5rem;background:#f59e0b;color:#fff;font-weight:650;padding:.8rem 1.5rem;border-radius:10px;transition:.18s}
.payta .pbtn:hover{background:#e08600;transform:translateY(-1px)}
.payta .plink{margin-left:14px;color:#b9700a;font-weight:600}
.payta .art{display:flex;justify-content:center}
.payta .art img{max-width:330px;width:100%;border-radius:26px;box-shadow:0 26px 64px rgba(180,120,20,.20);border:6px solid #fff}
.store-badges{display:flex;gap:12px;margin-top:1.5rem;flex-wrap:wrap}
.store-badges img{height:48px;width:auto}
/* contact form */
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:52px;align-items:start}
.contact-grid .info p{color:var(--ink-soft)}
.contact-grid .info a{color:var(--red);font-weight:600}
.cform .field{margin-bottom:16px}
.cform label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px;color:var(--ink)}
.cform input,.cform textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:.78rem .9rem;font:inherit;font-size:.96rem;background:#fff;color:var(--ink);transition:.15s}
.cform input:focus,.cform textarea:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(226,32,26,.10)}
.cform textarea{min-height:140px;resize:vertical}
.cform .row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.cform .form-note{font-size:.82rem;color:var(--ink-faint);margin-top:12px}
.cform .form-status{margin-top:14px;font-size:.92rem;font-weight:550;display:none}
.cform .form-status.ok{display:block;color:#127a3e;background:#e9f7ef;border:1px solid #bfe6cd;border-radius:10px;padding:.7rem .9rem}
.cform .form-status.err{display:block;color:#bd1812;background:#fdecec;border:1px solid #f3c7c4;border-radius:10px;padding:.7rem .9rem}
/* mini pay-board mock */
.board{background:#fff;border:1px solid #f0e2cc;border-radius:18px;box-shadow:0 14px 40px rgba(180,120,20,.10);padding:22px;max-width:380px;margin-left:auto}
.board .row{display:flex;align-items:center;justify-content:space-between;padding:12px 6px;border-bottom:1px solid #f5f0e6;font-size:.95rem}
.board .row:last-child{border-bottom:0}
.board .who{display:flex;align-items:center;gap:10px}
.board .av{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-size:.85rem;font-weight:700;color:#fff}
.board .pos{color:#16a34a;font-weight:700}
.board .neg{color:#f59e0b;font-weight:700}
.board .head{font-weight:700;color:var(--ink);padding:2px 6px 12px;display:flex;justify-content:space-between;align-items:center}
.board .tag2{font-size:.7rem;background:#fff5e6;color:#b9700a;border-radius:20px;padding:.2rem .6rem;font-weight:650}

@media(max-width:900px){
  .payta .wrap{grid-template-columns:1fr}
  .payta .art{order:-1}
  .contact-grid{grid-template-columns:1fr}
  .reflogos{grid-template-columns:repeat(3,1fr)}
  .board{margin:0}
  .hero .wrap{grid-template-columns:1fr}
  .hero-art{align-items:flex-start}
  .hero-meta{justify-content:flex-start;text-align:left}
  .hero-partner-logo{max-width:200px}
  .grid-3,.posts,.feature{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:620px){
  .menu{display:none}
  .grid-3,.posts,.feature,.grid-2,.foot-grid{grid-template-columns:1fr}
  .reflogos{grid-template-columns:repeat(2,1fr)}
  .cta-band{padding:36px 22px}
}