/* zukka.app — public site styles. Tokens & components per zukka-design-system.md */
@import url('/assets/fonts/fonts.css');

:root{
  --bg:#070b14;
  --bg-2:#0b1120;
  --glass:rgba(20,28,46,.55);
  --glass-brd:rgba(120,160,255,.16);
  --ink:#eaf0ff;
  --muted:#9aa6c4;
  --line:rgba(140,165,220,.12);
  --field:rgba(255,255,255,.03);
  --cyan:#36e6e0;
  --violet:#8b6bff;
  --blue:#4d8bff;
  --green:#2ee6a6;
  --amber:#ffcf6b;
  --red:#ff6b81;
  --serif:'Fraunces','Literata',Georgia,serif;
  --sans:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  min-height:100dvh;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}

/* ---------- aura background + grain ---------- */
.aura{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.aura span{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5}
.aura .b1{width:430px;height:430px;background:var(--violet);top:-140px;right:-100px;animation:float1 14s ease-in-out infinite}
.aura .b2{width:380px;height:380px;background:var(--cyan);bottom:-140px;left:-110px;opacity:.32;animation:float2 18s ease-in-out infinite}
.aura .b3{width:300px;height:300px;background:var(--blue);top:42%;left:58%;opacity:.22;animation:float1 22s ease-in-out infinite reverse}
@keyframes float1{0%,100%{transform:translate(0,0)}50%{transform:translate(-30px,40px)}}
@keyframes float2{0%,100%{transform:translate(0,0)}50%{transform:translate(40px,-30px)}}
body::after{content:"";position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

.shell{position:relative;z-index:2;width:100%;max-width:1080px;margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:10;background:rgba(7,11,20,.72);
  backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line)}
.site-head .shell{display:flex;align-items:center;gap:18px;padding-top:13px;padding-bottom:13px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand img{height:34px;width:auto;display:block;filter:drop-shadow(0 0 14px rgba(139,107,255,.35))}
.foot-brand img{height:30px}
.nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav a{color:var(--muted);text-decoration:none;font-size:13.5px;font-weight:500;padding:7px 11px;border-radius:9px;transition:.15s}
.nav a:hover{color:var(--ink);background:rgba(255,255,255,.04)}
.lang{display:inline-flex;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:10px;overflow:hidden;font-size:11.5px;margin-left:8px}
.lang a{color:var(--muted);text-decoration:none;font-weight:600;padding:6px 10px;transition:.15s}
.lang a.active{background:rgba(120,160,255,.18);color:var(--ink)}
.lang a:hover:not(.active){color:var(--ink)}
@media(max-width:760px){.nav a:not(.lang a){display:none}.nav .keep{display:inline-block}}

/* ---------- hero ---------- */
.hero{padding:74px 0 30px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr;gap:40px}}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:1.4px;text-transform:uppercase;
  color:var(--cyan);background:rgba(54,230,224,.07);border:1px solid rgba(54,230,224,.2);border-radius:999px;padding:7px 14px;margin-bottom:22px}
h1{font-family:var(--serif);font-weight:700;font-size:clamp(34px,5vw,52px);line-height:1.12;letter-spacing:-.5px;margin-bottom:20px}
h1 .glow{background:linear-gradient(90deg,var(--cyan),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:17.5px;color:var(--muted);max-width:54ch;margin-bottom:30px}
.lede strong{color:var(--ink);font-weight:600}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:none;border-radius:16px;cursor:pointer;
  font-family:var(--sans);font-weight:600;font-size:15.5px;padding:15px 26px;text-decoration:none;
  color:#05101f;background:linear-gradient(135deg,var(--cyan),var(--blue));
  box-shadow:0 0 30px -6px rgba(54,230,224,.6);transition:filter .2s,box-shadow .25s,transform .15s}
.btn:hover{filter:brightness(1.08);box-shadow:0 0 42px -4px rgba(54,230,224,.75)}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--ink);box-shadow:none}
.btn.ghost:hover{background:rgba(255,255,255,.04);filter:none}
.cta-note{font-size:12.5px;color:var(--muted)}

/* phone visual */
.phone-wrap{display:flex;justify-content:center}
.phone{width:280px;border-radius:36px;border:1px solid var(--glass-brd);background:linear-gradient(160deg,#0d1426,#0a101f);
  padding:14px;box-shadow:0 40px 90px -30px rgba(0,0,0,.85), inset 0 1px 0 rgba(255,255,255,.06);position:relative}
.phone::before{content:"";display:block;width:74px;height:6px;border-radius:99px;background:rgba(140,165,220,.18);margin:4px auto 14px}
.scan{background:var(--glass);border:1px solid var(--glass-brd);border-radius:20px;padding:18px 16px;
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}
.scan h3{font-family:var(--serif);font-size:14.5px;font-weight:600;margin-bottom:13px;color:var(--ink)}
.scan-row{display:flex;align-items:center;justify-content:space-between;padding:9px 2px;border-bottom:1px solid var(--line);font-size:13px}
.scan-row:last-of-type{border-bottom:none}
.scan-row .k{color:var(--muted);display:flex;align-items:center;gap:8px}
.scan-row .k svg{width:14px;height:14px;color:var(--muted)}
.scan-row .v{font-weight:600;color:var(--ink)}
.scan-row .v.zero{color:var(--green)}
.scan-foot{margin-top:14px;display:flex;align-items:center;gap:8px;font-size:11.5px;color:#a8efed;
  background:rgba(54,230,224,.07);border:1px solid rgba(54,230,224,.2);border-radius:11px;padding:9px 11px;line-height:1.45}
.scan-foot svg{width:14px;height:14px;color:var(--cyan);flex:none}
.phone .pulse{position:absolute;inset:auto;left:50%;bottom:-26px;transform:translateX(-50%);width:13px;height:13px;border-radius:50%;
  background:var(--green);box-shadow:0 0 14px rgba(46,230,166,.8)}

/* ---------- sections ---------- */
section{padding:56px 0}
.sec-kicker{font-size:11.5px;font-weight:600;letter-spacing:1.8px;text-transform:uppercase;color:var(--cyan);margin-bottom:10px}
h2{font-family:var(--serif);font-weight:600;font-size:clamp(26px,3.4vw,34px);line-height:1.2;margin-bottom:14px;letter-spacing:-.3px}
.sec-lede{color:var(--muted);max-width:62ch;font-size:16px;margin-bottom:34px}
.sec-lede strong{color:var(--ink)}
.thought{font-family:var(--serif);font-style:italic;font-size:19px;color:var(--ink);border-left:3px solid var(--violet);
  padding:6px 0 6px 18px;margin:0 0 26px;max-width:60ch}
.thought .who{display:block;font-family:var(--sans);font-style:normal;font-size:12px;color:var(--muted);margin-top:8px;letter-spacing:.4px}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cards.two{grid-template-columns:repeat(2,1fr)}
@media(max-width:860px){.cards,.cards.two{grid-template-columns:1fr}}
.card{background:var(--glass);backdrop-filter:blur(20px) saturate(140%);-webkit-backdrop-filter:blur(20px) saturate(140%);
  border:1px solid var(--glass-brd);border-radius:20px;padding:24px 22px;
  box-shadow:0 24px 60px -30px rgba(0,0,0,.7), inset 0 1px 0 rgba(255,255,255,.05)}
.card .ic{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;margin-bottom:15px;
  background:rgba(54,230,224,.1);color:var(--cyan)}
.card .ic.violet{background:rgba(139,107,255,.12);color:var(--violet)}
.card .ic.green{background:rgba(46,230,166,.1);color:var(--green)}
.card .ic.amber{background:rgba(255,207,107,.1);color:var(--amber)}
.card .ic.red{background:rgba(255,107,129,.1);color:var(--red)}
.card .ic svg{width:20px;height:20px}
.card h3{font-family:var(--serif);font-size:18.5px;font-weight:600;margin-bottom:9px}
.card p{font-size:14px;color:var(--muted);line-height:1.62}
.card p strong{color:var(--ink);font-weight:600}

/* invite / rotating door */
.invite-demo{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}
@media(max-width:860px){.invite-demo{grid-template-columns:1fr}}
.code-chip{display:inline-flex;align-items:center;gap:11px;background:rgba(255,255,255,.04);border:1.5px dashed rgba(120,160,255,.4);
  border-radius:14px;padding:14px 20px;font-family:ui-monospace,'Cascadia Mono',Consolas,monospace;font-size:18px;letter-spacing:1.5px;color:var(--cyan)}
.code-chip.dead{border-color:rgba(255,107,129,.4);color:var(--red);text-decoration:line-through;opacity:.6;font-size:14px;padding:10px 15px;letter-spacing:1px}
.code-chip svg{width:18px;height:18px;flex:none}
.rotate-list{list-style:none;margin-top:20px}
.rotate-list li{display:flex;gap:11px;align-items:flex-start;padding:9px 0;font-size:14.5px;color:var(--muted)}
.rotate-list li svg{width:17px;height:17px;flex:none;margin-top:3px}
.rotate-list li.ok svg{color:var(--green)}
.rotate-list li.no svg{color:var(--red)}
.rotate-list li strong{color:var(--ink)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;counter-reset:step}
@media(max-width:860px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}
.step{background:var(--glass);border:1px solid var(--glass-brd);border-radius:18px;padding:20px 18px;
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}
.step .n{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:13.5px;color:#05101f;
  background:linear-gradient(135deg,var(--cyan),var(--blue));margin-bottom:13px}
.step h3{font-family:var(--serif);font-size:16px;font-weight:600;margin-bottom:7px}
.step p{font-size:13px;color:var(--muted);line-height:1.58}

/* section imagery */
.sec-img{max-width:760px;margin:34px auto 0;border-radius:22px;overflow:hidden;border:1px solid var(--glass-brd);
  box-shadow:0 30px 70px -30px rgba(0,0,0,.85), inset 0 1px 0 rgba(255,255,255,.05)}
.sec-img img{display:block;width:100%;height:auto}
.sec-img figcaption{font-size:12px;color:var(--muted);padding:10px 16px;border-top:1px solid var(--line);
  background:rgba(10,15,28,.6)}

/* control tiers */
.tier-status{display:inline-flex;align-items:center;gap:6px;font-size:10.5px;font-weight:700;letter-spacing:.9px;
  text-transform:uppercase;border-radius:999px;padding:5px 11px;margin-bottom:14px}
.tier-status.live{color:var(--green);background:rgba(46,230,166,.08);border:1px solid rgba(46,230,166,.28)}
.tier-status.dev{color:var(--amber);background:rgba(255,207,107,.08);border:1px solid rgba(255,207,107,.28)}
.tier-status.plan{color:var(--violet);background:rgba(139,107,255,.1);border:1px solid rgba(139,107,255,.3)}

/* honesty */
.honesty{background:var(--glass);border:1px solid var(--glass-brd);border-radius:24px;padding:34px 30px;
  backdrop-filter:blur(22px) saturate(140%);-webkit-backdrop-filter:blur(22px) saturate(140%)}
.truth{display:flex;gap:13px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line)}
.truth:last-child{border-bottom:none}
.truth svg{width:19px;height:19px;flex:none;margin-top:3px;color:var(--amber)}
.truth div{font-size:14.5px;color:var(--muted);line-height:1.62}
.truth strong{color:var(--ink);display:block;margin-bottom:3px;font-size:15px}

/* FAQ */
.faq-group{max-width:780px}
details{background:var(--glass);border:1px solid var(--glass-brd);border-radius:16px;margin-bottom:11px;
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);overflow:hidden}
summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:13px;padding:17px 20px;
  font-weight:600;font-size:15.5px;color:var(--ink);transition:.15s}
summary:hover{background:rgba(255,255,255,.03)}
summary::-webkit-details-marker{display:none}
summary .chev{margin-left:auto;flex:none;transition:transform .2s}
details[open] summary .chev{transform:rotate(180deg)}
summary .chev svg{width:16px;height:16px;color:var(--muted)}
.faq-a{padding:2px 20px 19px;font-size:14.5px;color:var(--muted);line-height:1.68}
.faq-a p{margin-bottom:10px}
.faq-a p:last-child{margin-bottom:0}
.faq-a strong{color:var(--ink)}
.faq-a code{font-family:ui-monospace,Consolas,monospace;font-size:13px;background:rgba(255,255,255,.05);
  border:1px solid var(--line);border-radius:6px;padding:1.5px 7px;color:var(--cyan)}

/* download */
.dl-box{background:var(--glass);border:1px solid var(--glass-brd);border-radius:24px;padding:38px 32px;text-align:center;
  backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px)}
.dl-box .android{width:46px;height:46px;margin:0 auto 16px;color:var(--green)}
.dl-status{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--amber);
  background:rgba(255,207,107,.08);border:1px solid rgba(255,207,107,.25);border-radius:999px;padding:7px 15px;margin-top:18px}
.dl-meta{margin-top:16px;font-size:12.5px;color:var(--muted)}
.dl-meta code{font-family:ui-monospace,Consolas,monospace;font-size:11.5px}

/* callouts */
.info-tip{display:flex;gap:9px;align-items:flex-start;background:rgba(54,230,224,.07);border:1px solid rgba(54,230,224,.2);
  border-radius:12px;padding:11px 14px;color:#a8efed;font-size:13px;line-height:1.5;margin-top:22px}
.info-tip svg{width:15px;height:15px;flex:none;margin-top:2px;color:var(--cyan)}

/* legal / document pages */
.doc{max-width:820px;margin:0 auto;padding:54px 22px 30px;position:relative;z-index:2}
.doc h1{font-family:var(--serif);font-weight:700;font-size:clamp(28px,4vw,38px);line-height:1.15;margin-bottom:10px}
.doc .doc-meta{font-size:13px;color:var(--muted);margin-bottom:34px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.doc h2{font-family:var(--serif);font-weight:600;font-size:21px;margin:36px 0 12px}
.doc h3{font-size:16px;font-weight:600;margin:24px 0 8px;color:var(--ink)}
.doc p{font-size:15px;color:var(--muted);line-height:1.7;margin-bottom:13px}
.doc p strong, .doc li strong{color:var(--ink)}
.doc ul,.doc ol{margin:0 0 14px 22px}
.doc li{font-size:15px;color:var(--muted);line-height:1.7;margin-bottom:7px}
.doc a{color:var(--cyan);text-decoration:none}
.doc a:hover{text-decoration:underline}
.doc table{width:100%;border-collapse:collapse;margin:14px 0 20px;font-size:14px}
.doc th{text-align:left;color:var(--ink);font-weight:600;padding:9px 12px;border-bottom:1.5px solid var(--line);font-size:13px;letter-spacing:.4px}
.doc td{color:var(--muted);padding:9px 12px;border-bottom:1px solid var(--line)}
.doc .doc-note{background:rgba(54,230,224,.07);border:1px solid rgba(54,230,224,.2);border-radius:12px;padding:13px 16px;font-size:13.5px;color:#a8efed;line-height:1.6;margin:18px 0}

/* footer */
.site-foot{border-top:1px solid var(--line);margin-top:40px;padding:36px 0 46px}
.foot-grid{display:flex;flex-wrap:wrap;gap:26px;align-items:flex-start;justify-content:space-between}
.foot-brand{display:flex;align-items:center;gap:10px}
.foot-links{display:flex;gap:20px;flex-wrap:wrap}
.foot-links a{color:var(--muted);text-decoration:none;font-size:13.5px;transition:.15s}
.foot-links a:hover{color:var(--ink)}
.foot-note{width:100%;font-size:12.5px;color:var(--muted);opacity:.85;line-height:1.6}
.foot-note strong{color:var(--muted)}

/* misc */
.divider{height:1px;background:var(--line);margin:0 auto;max-width:1080px}
::selection{background:rgba(54,230,224,.25)}
@media (prefers-reduced-motion: reduce){
  .aura span{animation:none}
  html{scroll-behavior:auto}
}