/* ZZK Group — app studio. Bright system: cool white, charcoal, teal. */
:root {
  --bg: #f5f8f8;
  --bg-2: #e9f1f0;
  --surface: #ffffff;
  --surface-2: #f0f6f5;
  --ink: #0f1f1e;
  --muted: #4f6462;
  --dim: #85999a;
  --line: #dce7e6;
  --line-2: #c3d5d3;
  --teal: #0d9488;
  --teal-deep: #0f766e;
  --aqua: #14b8a6;
  --grad: linear-gradient(118deg, #0f766e 0%, #0d9488 55%, #14b8a6 100%);
  --sh: 0 18px 44px -26px rgba(15,31,30,.34);
  --sh-lg: 0 30px 70px -34px rgba(15,31,30,.42);
  --glow: 0 14px 30px -14px rgba(13,148,136,.55);
  --max: 1180px;
  --sans: 'Figtree', system-ui, -apple-system, sans-serif;
  --r: 16px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  font-size: 16.5px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before {
  content: ''; position: fixed; inset: 0; z-index: -2; pointer-events: none; clip-path: inset(0);
  background:
    radial-gradient(780px 520px at 84% -6%, rgba(20,184,166,.20), transparent 62%),
    radial-gradient(660px 480px at 2% 6%, rgba(13,148,136,.13), transparent 62%);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1,h2,h3,h4 { font-weight: 800; line-height: 1.08; letter-spacing: -.03em; color: var(--ink); }
h1 em, h2 em, h3 em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; padding-bottom: .06em; }
.container { max-width: var(--max); margin: 0 auto; padding: 0 32px; }

/* Top bar */
.strip { background: var(--grad); color: #eafffb; }
.strip .container { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding-top: 9px; padding-bottom: 9px; font-size: 12.5px; letter-spacing: .06em; font-weight: 600; }
.strip .live { display: inline-flex; align-items: center; gap: 9px; }
.strip .live i { width: 7px; height: 7px; border-radius: 50%; background: #eafffb; box-shadow: 0 0 0 3px rgba(255,255,255,.25); }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(14px); background: rgba(245,248,248,.88); border-bottom: 1px solid var(--line); }
.nav-inner { max-width: var(--max); margin: 0 auto; padding: 14px 32px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 38px; width: 38px; }
.brand .name { font-weight: 800; font-size: 20px; letter-spacing: -.03em; }
.brand .name span { color: var(--teal); }
.links { display: flex; align-items: center; gap: 26px; font-size: 15px; color: var(--muted); font-weight: 600; }
.links a { transition: color .18s; }
.links a:hover, .links a.active { color: var(--teal); }
.nav-cta { font-weight: 700; font-size: 14.5px; padding: 10px 20px; border-radius: 999px; color: #fff !important; background: var(--grad); box-shadow: var(--glow); transition: transform .16s, box-shadow .16s; }
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 18px 36px -14px rgba(13,148,136,.7); }
.burger { display: none; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 15.5px;
  padding: 15px 28px; border-radius: 999px;
  background: var(--grad); color: #fff; border: 1px solid transparent;
  box-shadow: var(--glow); cursor: pointer;
  transition: transform .18s, box-shadow .18s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 22px 44px -16px rgba(13,148,136,.68); }
.btn-line { background: var(--surface); color: var(--ink); border-color: var(--line-2); box-shadow: var(--sh); }
.btn-line:hover { border-color: var(--teal); color: var(--teal); }
.btn-arrow::after { content: '→'; font-size: 16px; }

/* Kicker */
.kicker { display: inline-flex; align-items: center; gap: 9px; font-size: 13px; font-weight: 700; color: var(--teal-deep); background: rgba(13,148,136,.1); border-radius: 999px; padding: 7px 16px; margin-bottom: 22px; }
.kicker .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--grad); }

/* Section */
.sec { padding: 98px 0; position: relative; }
.sec-line { border-top: 1px solid var(--line); }
.sec-head { max-width: 730px; margin: 0 0 52px; }
.sec-head h2 { font-size: clamp(33px, 4.6vw, 56px); margin-bottom: 16px; }
.sec-head p { color: var(--muted); font-size: 17px; }
.sec-head.mid { margin-left: auto; margin-right: auto; text-align: center; }

/* Hero */
.hero { padding: 62px 0 92px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 52px; align-items: center; }
.hero h1 { font-size: clamp(42px, 5.6vw, 72px); margin-bottom: 22px; }
.hero .lede { color: var(--muted); font-size: 18px; max-width: 510px; margin-bottom: 32px; }
.actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.stats { display: flex; gap: 34px; margin-top: 46px; flex-wrap: wrap; padding-top: 26px; border-top: 1px solid var(--line); }
.stats .s b { display: block; font-size: 26px; font-weight: 800; letter-spacing: -.03em; line-height: 1.2; }
.stats .s span { font-size: 12.5px; color: var(--dim); font-weight: 600; }

/* ── Hero: Google Play storefront card ── */
.store { background: var(--surface); border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--sh-lg); overflow: hidden; }
.store-head { display: flex; align-items: center; gap: 14px; padding: 22px 24px; border-bottom: 1px solid var(--line); background: var(--surface-2); }
.store-head .av { width: 52px; height: 52px; border-radius: 14px; background: var(--grad); display: grid; place-items: center; flex: none; box-shadow: var(--glow); }
.store-head .av span { color: #fff; font-weight: 800; font-size: 16px; letter-spacing: -.02em; }
.store-head .who { flex: 1; min-width: 0; }
.store-head .who b { display: block; font-size: 17px; font-weight: 800; letter-spacing: -.02em; }
.store-head .who span { font-size: 13px; color: var(--dim); font-weight: 600; }
.store-head .gp { width: 30px; height: 30px; flex: none; }
.store-rows { padding: 6px 24px; }
.store-rows .r { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.store-rows .r:last-child { border-bottom: none; }
.store-rows .k { font-size: 13.5px; color: var(--muted); font-weight: 600; }
.store-rows .v { font-size: 15px; font-weight: 700; letter-spacing: -.01em; }
.store-rows .v em { font-style: normal; color: var(--teal); }
.store-foot { padding: 18px 24px 24px; }
.store-foot .btn { width: 100%; justify-content: center; }
.store-note { text-align: center; font-size: 12.5px; color: var(--dim); margin-top: 12px; font-weight: 500; }

/* Google Play button — used in the apps section too */
.gplay { display: inline-flex; align-items: center; gap: 14px; background: var(--ink); color: #fff; border-radius: 14px; padding: 13px 24px; box-shadow: var(--sh); transition: transform .18s, box-shadow .18s; }
.gplay:hover { transform: translateY(-2px); box-shadow: var(--sh-lg); }
.gplay svg { width: 28px; height: 28px; flex: none; }
.gplay .t { display: flex; flex-direction: column; line-height: 1.15; text-align: left; }
.gplay .t small { font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; opacity: .7; }
.gplay .t strong { font-size: 17px; font-weight: 800; letter-spacing: -.02em; }

/* Divisions */
.caps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.capx { padding: 30px 28px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--sh); transition: transform .2s, box-shadow .2s; }
.capx:hover { transform: translateY(-5px); box-shadow: var(--sh-lg); }
.capx .no { font-size: 12.5px; font-weight: 700; color: var(--teal); margin-bottom: 16px; }
.capx .ic { width: 48px; height: 48px; border-radius: 14px; background: rgba(13,148,136,.11); display: grid; place-items: center; margin-bottom: 16px; }
.capx .ic svg { width: 22px; height: 22px; }
.capx h3 { font-size: 26px; margin-bottom: 10px; }
.capx p { color: var(--muted); font-size: 15.5px; }
.capx .tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 18px; }
.capx .tags span { font-size: 12px; font-weight: 700; color: var(--teal-deep); background: rgba(13,148,136,.1); border-radius: 999px; padding: 4px 12px; }

/* Services */
.svc { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.svcx { padding: 30px 26px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--sh); }
.svcx .num { font-size: 12.5px; font-weight: 700; color: var(--teal); }
.svcx h3 { font-size: 23px; margin: 8px 0 12px; }
.svcx > p { color: var(--muted); font-size: 15px; margin-bottom: 18px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.svcx ul { list-style: none; }
.svcx li { position: relative; padding-left: 24px; color: var(--muted); font-size: 14.5px; margin-bottom: 10px; }
.svcx li::before { content: ''; position: absolute; left: 0; top: 9px; width: 12px; height: 12px; border-radius: 50%; background: rgba(13,148,136,.16); }
.svcx li::after { content: ''; position: absolute; left: 4px; top: 13px; width: 4px; height: 4px; border-radius: 50%; background: var(--teal); }

/* Apps — live on Google Play */
.apps-panel { background: var(--surface); border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--sh-lg); overflow: hidden; }
.apps-top { display: grid; grid-template-columns: 1fr auto; gap: 34px; align-items: center; padding: 44px 40px; }
.apps-top h3 { font-size: clamp(26px, 3.2vw, 36px); margin-bottom: 12px; }
.apps-top p { color: var(--muted); font-size: 16.5px; max-width: 560px; }
.cats { display: flex; flex-wrap: wrap; gap: 10px; padding: 0 40px 34px; }
.cats span { font-size: 13.5px; font-weight: 600; color: var(--muted); background: var(--surface-2); border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px; }
.apps-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 18px 40px; background: var(--surface-2); border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); font-weight: 600; }
.apps-bar a { color: var(--teal); font-weight: 700; }
.apps-bar a:hover { text-decoration: underline; }

/* Process */
.flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.flowx { padding: 28px 26px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--sh); }
.flowx .n { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 12px; background: var(--grad); color: #fff; font-weight: 800; font-size: 16px; margin-bottom: 16px; box-shadow: var(--glow); }
.flowx h3 { font-size: 24px; margin-bottom: 10px; }
.flowx p { color: var(--muted); font-size: 15.5px; }

/* Acquisitions */
.buy { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.buy h2 { font-size: clamp(30px, 4vw, 46px); margin-bottom: 16px; }
.buy > div > p { color: var(--muted); font-size: 16.5px; margin-bottom: 22px; }
.check { list-style: none; }
.check li { position: relative; padding-left: 32px; margin-bottom: 13px; color: var(--muted); }
.check li::before { content: '✓'; position: absolute; left: 0; top: 2px; width: 21px; height: 21px; border-radius: 50%; background: var(--grad); color: #fff; font-size: 12px; font-weight: 800; display: grid; place-items: center; }
.panel { border: 1px solid var(--line); border-radius: var(--r); background: var(--surface); box-shadow: var(--sh-lg); overflow: hidden; }
.panel .row { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 26px; border-bottom: 1px solid var(--line); }
.panel .row:last-child { border-bottom: none; }
.panel .row .k { font-size: 14px; color: var(--muted); font-weight: 600; }
.panel .row .v { font-size: 15.5px; font-weight: 700; text-align: right; letter-spacing: -.01em; }

/* CTA */
.cta-inner { border-radius: 26px; padding: 80px 40px; position: relative; overflow: hidden; background: var(--grad); color: #fff; text-align: center; box-shadow: 0 40px 84px -38px rgba(13,148,136,.8); }
.cta-inner::after { content: ''; position: absolute; top: -58%; left: 50%; transform: translateX(-50%); width: 700px; height: 700px; border-radius: 50%; background: radial-gradient(circle, rgba(255,255,255,.26), transparent 62%); pointer-events: none; }
.cta-inner h2 { font-size: clamp(34px, 4.8vw, 56px); margin-bottom: 16px; position: relative; color: #fff; }
.cta-inner h2 em { color: #d9fff7; -webkit-text-fill-color: #d9fff7; background: none; }
.cta-inner p { color: rgba(255,255,255,.92); font-size: 17px; max-width: 560px; margin: 0 auto 30px; position: relative; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; }
.cta-inner .btn { background: #fff; color: var(--teal-deep); box-shadow: 0 18px 34px -16px rgba(0,0,0,.4); }
.cta-inner .btn-line { background: rgba(255,255,255,.14); color: #fff; border-color: rgba(255,255,255,.55); box-shadow: none; }
.cta-inner .btn-line:hover { background: #fff; color: var(--teal-deep); border-color: #fff; }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 70px 0 36px; background: var(--bg-2); }
.foot-grid { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr; gap: 42px; margin-bottom: 50px; }
.foot-brand .brand { margin-bottom: 18px; }
.foot-brand p { color: var(--muted); font-size: 15px; max-width: 330px; margin-bottom: 14px; }
.foot-brand .addr { color: var(--dim); font-size: 13.5px; font-weight: 600; }
.foot-col h4 { font-size: 12.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--teal); margin-bottom: 16px; font-weight: 800; }
.foot-col a, .foot-col p { display: block; color: var(--muted); font-size: 15px; margin-bottom: 11px; transition: color .18s; }
.foot-col a:hover { color: var(--teal); }
.foot-bottom { border-top: 1px solid var(--line); padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; color: var(--dim); font-size: 13.5px; }

/* Legal */
.legal { max-width: 800px; margin: 0 auto; padding: 76px 32px; }
.legal h1 { font-size: clamp(38px, 5vw, 56px); margin-bottom: 12px; }
.legal .updated { color: var(--dim); font-size: 13px; font-weight: 700; margin-bottom: 44px; }
.legal h2 { font-size: 23px; margin: 40px 0 14px; padding-top: 16px; border-top: 1px solid var(--line); }
.legal p { color: var(--muted); margin-bottom: 16px; }
.legal ul { list-style: none; margin: 0 0 18px; }
.legal li { position: relative; padding-left: 24px; color: var(--muted); margin-bottom: 10px; }
.legal li::before { content: ''; position: absolute; left: 2px; top: 11px; width: 8px; height: 8px; border-radius: 50%; background: var(--teal); }
.legal a { color: var(--teal); font-weight: 600; }
.legal a:hover { text-decoration: underline; }

/* Contact */
.contact-info { max-width: 660px; }
.contact-info h1 { font-size: clamp(38px, 5.2vw, 60px); margin-bottom: 18px; }
.contact-info > p { color: var(--muted); font-size: 18px; margin-bottom: 30px; }
.info-list { list-style: none; margin-top: 48px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.info-list li { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 20px 24px; box-shadow: var(--sh); }
.info-list .k { display: block; font-size: 13px; color: var(--dim); font-weight: 600; margin-bottom: 4px; }
.info-list .v { font-size: 18px; font-weight: 700; letter-spacing: -.02em; line-height: 1.35; word-break: break-word; }
.info-list a.v:hover { color: var(--teal); }

/* Page hero */
.page-hero { padding: 74px 0 28px; }
.page-hero h1 { font-size: clamp(40px, 5.4vw, 64px); margin-bottom: 16px; max-width: 940px; }
.page-hero p { color: var(--muted); font-size: 17.5px; max-width: 650px; }

/* About */
.prose { max-width: 730px; }
.prose p { color: var(--muted); font-size: 17.5px; margin-bottom: 20px; }
.prose p strong { color: var(--ink); font-weight: 700; }
.beliefs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.belief { padding: 28px 26px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--sh); }
.belief .n { color: var(--teal); font-size: 12.5px; font-weight: 700; margin-bottom: 14px; }
.belief h3 { font-size: 22px; margin-bottom: 10px; }
.belief p { color: var(--muted); font-size: 15px; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

@media (max-width: 980px) {
  .hero-grid, .buy { grid-template-columns: 1fr; gap: 50px; }
  .caps, .svc, .flow, .beliefs { grid-template-columns: 1fr; }
  .apps-top { grid-template-columns: 1fr; gap: 26px; }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 860px) {
  .burger { display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--line-2); background: var(--surface); cursor: pointer; }
  .burger span { position: relative; display: block; width: 18px; height: 2px; background: var(--ink); border-radius: 2px; }
  .burger span::before, .burger span::after { content: ''; position: absolute; left: 0; width: 18px; height: 2px; background: var(--ink); border-radius: 2px; }
  .burger span::before { top: -6px; } .burger span::after { top: 6px; }
  .links { display: none; }
  .links.open { display: flex; flex-direction: column; align-items: stretch; position: absolute; top: 100%; left: 0; right: 0; background: rgba(245,248,248,.98); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); padding: 10px 26px 16px; gap: 0; }
  .links.open a { padding: 13px 2px; font-size: 15px; border-bottom: 1px solid var(--line); }
  .links.open .nav-cta { margin-top: 12px; text-align: center; justify-content: center; border-bottom: none; }
}
@media (max-width: 620px) {
  .container { padding: 0 20px; }
  .nav-inner { padding: 12px 20px; }
  .hero { padding: 38px 0 62px; overflow: hidden; }
  .hero h1 { font-size: clamp(35px, 10.5vw, 50px); }
  .sec { padding: 64px 0; }
  .strip .hide-sm { display: none; }
  .strip .container { font-size: 11px; }
  .stats { gap: 24px; }
  .apps-top { padding: 32px 22px; }
  .cats { padding: 0 22px 28px; }
  .apps-bar { padding: 16px 22px; }
  .info-list { grid-template-columns: 1fr; }
  .actions .btn, .cta-actions .btn { flex: 1 1 100%; justify-content: center; }
  .cta-inner { padding: 56px 22px; border-radius: 20px; }
  .foot-grid { grid-template-columns: 1fr; gap: 26px; }
  .foot-bottom { flex-direction: column; gap: 6px; }
}
