/* Kurilenko Finance — marketing site. Brand: "Deep Teal" dark premium
   (palette/fonts from PROJECT.md §5). Static, no app functionality. */
:root{
  --bg-0:#060C17; --bg-1:#0E1520; --bg-2:#121B28; --hover:#1C2432;
  --border:#212935; --focus:#3A4350;
  --text-0:#E1E9F2; --text-1:#A6AEBB; --text-2:#7F8792;
  --teal:#00B5AA; --teal-hi:#00cabd; --gold:#EAAE50; --violet:#9585F4;
  --coral:#F5688A; --blue:#419AED; --mint:#3DE6C4; --amber:#FFB454;
  --on-teal:#001210; --on-gold:#1F0C00;
  --maxw:1120px;
  --r-lg:20px; --r-md:14px; --r-sm:10px;
  --shadow:0 24px 60px -20px rgba(0,0,0,.6);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Manrope",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--bg-0); color:var(--text-0); line-height:1.65;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
body::before{
  content:""; position:fixed; inset:0; z-index:-2; pointer-events:none;
  background:
    radial-gradient(1100px 620px at 50% -8%, rgba(0,181,170,.14), transparent 60%),
    radial-gradient(900px 520px at 88% 8%, rgba(149,133,244,.10), transparent 62%),
    radial-gradient(800px 500px at 8% 30%, rgba(65,154,237,.07), transparent 60%);
}
body::after{
  content:""; position:fixed; inset:0; z-index:-2; pointer-events:none; opacity:.5;
  background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(1000px 700px at 50% -5%,#000,transparent 70%);
  mask-image:radial-gradient(1000px 700px at 50% -5%,#000,transparent 70%);
}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}
h1,h2,h3,.display{font-family:"Unbounded","Manrope",sans-serif;letter-spacing:-.02em;line-height:1.08}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--text-1);background:var(--bg-1);border:1px solid var(--border);
  padding:7px 14px;border-radius:999px}
.eyebrow .pulse{width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 0 rgba(0,181,170,.6);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(0,181,170,.5)}70%{box-shadow:0 0 0 9px rgba(0,181,170,0)}100%{box-shadow:0 0 0 0 rgba(0,181,170,0)}}

/* ---- nav ---- */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
  background:rgba(6,12,23,.72);border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
.nav.scrolled{border-bottom-color:var(--border);background:rgba(6,12,23,.88)}
.nav .row{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:16px}
.brand svg{width:30px;height:30px;flex:none}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:14px;font-weight:500;color:var(--text-1);transition:color .2s}
.nav-links a:hover{color:var(--text-0)}
.nav .cta{display:none}
@media(min-width:860px){.nav .cta{display:inline-flex}}
@media(max-width:859px){.nav-links a:not(.cta){display:none}}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:15px;
  padding:13px 22px;border-radius:var(--r-md);border:1px solid var(--border);
  background:var(--bg-1);color:var(--text-0);cursor:pointer;
  transition:transform .18s ease,border-color .2s,background .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px);border-color:var(--focus);background:var(--hover)}
.btn svg{width:20px;height:20px;flex:none}
.btn.primary{background:var(--teal);color:var(--on-teal);border-color:transparent;
  box-shadow:0 12px 30px -10px rgba(0,181,170,.5)}
.btn.primary:hover{background:var(--teal-hi);box-shadow:0 16px 36px -10px rgba(0,181,170,.6)}
.btn.lg{padding:16px 26px;font-size:16px;border-radius:var(--r-md)}
.btn .sub{display:flex;flex-direction:column;align-items:flex-start;line-height:1.15}
.btn .sub small{font-size:11px;font-weight:500;color:var(--text-2)}
.btn.primary .sub small{color:rgba(0,18,16,.6)}

/* ---- sections ---- */
section{position:relative;padding:96px 0}
.section-head{max-width:680px;margin:0 auto 56px;text-align:center}
.section-head .eyebrow{margin-bottom:18px}
.section-head h2{font-size:clamp(28px,4.4vw,44px);font-weight:700}
.section-head p{margin-top:16px;color:var(--text-1);font-size:18px}

/* ---- hero ---- */
.hero{padding:72px 0 84px}
.hero .grid{display:grid;grid-template-columns:1fr;gap:56px;align-items:center}
@media(min-width:980px){.hero .grid{grid-template-columns:1.05fr .95fr;gap:48px}}
.hero h1{font-size:clamp(40px,6.6vw,68px);font-weight:800;margin:22px 0 0}
.hero h1 .accent{background:linear-gradient(120deg,var(--mint),var(--teal));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{margin-top:22px;max-width:540px;font-size:19px;color:var(--text-1)}
.hero .actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero .micro{margin-top:18px;font-size:13px;color:var(--text-2);display:flex;gap:18px;flex-wrap:wrap}
.hero .micro span{display:inline-flex;align-items:center;gap:7px}
.dot{width:7px;height:7px;border-radius:50%;display:inline-block;flex:none}

/* ---- stats strip ---- */
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--border);
  border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;margin-top:8px}
@media(min-width:720px){.stats{grid-template-columns:repeat(4,1fr)}}
.stats .cell{background:var(--bg-0);padding:26px 20px;text-align:center}
.stats .num{font-family:"Unbounded";font-size:30px;font-weight:700;color:var(--text-0)}
.stats .lbl{margin-top:6px;font-size:13px;color:var(--text-2)}

/* ---- app mockup window ---- */
.mock{background:linear-gradient(180deg,var(--bg-2),var(--bg-1));border:1px solid var(--border);
  border-radius:var(--r-lg);box-shadow:var(--shadow);overflow:hidden;position:relative}
.mock.tilt{transform:perspective(1600px) rotateY(-8deg) rotateX(3deg)}
.mock .bar{display:flex;align-items:center;gap:8px;padding:13px 16px;border-bottom:1px solid var(--border);background:rgba(255,255,255,.02)}
.mock .bar i{width:11px;height:11px;border-radius:50%;display:block}
.mock .bar i.r{background:#ff5f57}.mock .bar i.y{background:#febc2e}.mock .bar i.g{background:#28c840}
.mock .bar .t{margin-left:10px;font-size:12px;color:var(--text-2)}
.mock .body{padding:18px}
.mock .mhead{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.mock .mhead h4{font-family:"Unbounded";font-size:18px;font-weight:600}
.mock .pill{font-size:12px;font-weight:600;padding:7px 12px;border-radius:10px;background:var(--teal);color:var(--on-teal)}
.mock .pill.gold{background:var(--gold);color:var(--on-gold)}
.row-item{display:flex;align-items:center;gap:12px;padding:13px;border:1px solid var(--border);
  border-radius:var(--r-sm);background:var(--bg-0);margin-bottom:9px}
.row-item .tag{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;flex:none;font-size:14px}
.row-item .meta{flex:1;min-width:0}
.row-item .meta .ttl{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row-item .meta .sub{font-size:12px;color:var(--text-2)}
.row-item .amt{font-family:"Manrope";font-weight:700;font-variant-numeric:tabular-nums;font-size:15px}
.amt.rub{color:var(--teal)} .amt.usd{color:var(--blue)}
.balance{margin-top:14px;padding:16px;border:1px solid var(--border);border-radius:var(--r-md);
  background:linear-gradient(135deg,rgba(0,181,170,.10),rgba(149,133,244,.08))}
.balance .lbl{font-size:12px;color:var(--text-1);display:flex;align-items:center;gap:6px}
.balance .big{font-family:"Unbounded";font-size:26px;font-weight:700;margin-top:4px}
.balance .split{display:flex;gap:20px;margin-top:8px;font-size:13px;color:var(--text-1)}

/* mini calendar mock */
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.cal .c{aspect-ratio:1;border:1px solid var(--border);border-radius:8px;background:var(--bg-0);
  padding:6px;font-size:11px;color:var(--text-2);position:relative}
.cal .c.today{background:var(--teal);color:var(--on-teal);font-weight:700}
.cal .c .m{position:absolute;bottom:5px;left:6px;display:flex;gap:3px}
.cal .c .m b{width:5px;height:5px;border-radius:50%}

/* ---- features grid ---- */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.card{background:var(--bg-1);border:1px solid var(--border);border-radius:var(--r-lg);padding:26px;
  transition:transform .25s,border-color .25s,background .25s}
.card:hover{transform:translateY(-4px);border-color:var(--focus);background:var(--bg-2)}
.card .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;font-size:20px;border:1px solid var(--border)}
.card h3{font-size:18px;font-weight:600;margin-bottom:8px}
.card p{font-size:15px;color:var(--text-1)}

/* ---- how it works ---- */
.how{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:840px){.how{grid-template-columns:repeat(3,1fr)}}
.step{border:1px solid var(--border);border-radius:var(--r-lg);padding:28px;background:var(--bg-1);position:relative;overflow:hidden}
.step .bigword{font-family:"Unbounded";font-weight:800;font-size:14px;letter-spacing:.16em;text-transform:uppercase}
.step h3{font-size:21px;margin:14px 0 10px;font-weight:600}
.step p{color:var(--text-1);font-size:15px}
.step .glow{position:absolute;inset:auto -40px -40px auto;width:160px;height:160px;border-radius:50%;filter:blur(50px);opacity:.25}

/* ---- showcase ---- */
.showcase{display:grid;grid-template-columns:1fr;gap:48px;align-items:center}
@media(min-width:920px){.showcase{grid-template-columns:1fr 1fr}.showcase.rev .txt{order:2}}
.showcase h3{font-size:clamp(24px,3.4vw,32px);font-weight:700;margin-bottom:14px}
.showcase p{color:var(--text-1);font-size:17px}
.showcase ul{list-style:none;margin-top:20px;display:flex;flex-direction:column;gap:12px}
.showcase li{display:flex;gap:11px;align-items:flex-start;font-size:15px;color:var(--text-1)}
.showcase li svg{width:20px;height:20px;flex:none;color:var(--teal);margin-top:2px}

/* ---- privacy banner ---- */
.privacy{border:1px solid var(--border);border-radius:var(--r-lg);padding:48px;text-align:center;
  background:linear-gradient(135deg,rgba(0,181,170,.10),rgba(149,133,244,.07));position:relative;overflow:hidden}
.privacy h2{font-size:clamp(26px,4vw,38px);font-weight:700;max-width:760px;margin:0 auto}
.privacy p{margin:16px auto 0;max-width:620px;color:var(--text-1);font-size:18px}

/* ---- download ---- */
.dl-grid{display:grid;grid-template-columns:1fr;gap:18px;max-width:840px;margin:0 auto}
@media(min-width:720px){.dl-grid{grid-template-columns:1fr 1fr}}
.dl-card{border:1px solid var(--border);border-radius:var(--r-lg);padding:30px;background:var(--bg-1);
  display:flex;flex-direction:column;gap:14px;transition:border-color .25s,transform .25s}
.dl-card:hover{border-color:var(--focus);transform:translateY(-3px)}
.dl-card.rec{border-color:var(--teal);box-shadow:0 0 0 1px rgba(0,181,170,.3),0 20px 50px -24px rgba(0,181,170,.5)}
.dl-card .os{display:flex;align-items:center;gap:14px}
.dl-card .os svg{width:34px;height:34px}
.dl-card .os .name{font-family:"Unbounded";font-size:20px;font-weight:600}
.dl-card .os .req{font-size:13px;color:var(--text-2)}
.dl-card .badge{align-self:flex-start;font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  color:var(--teal);background:rgba(0,181,170,.12);padding:5px 10px;border-radius:8px}
.dl-card .note{font-size:13px;color:var(--text-2);margin-top:auto}
.dl-foot{text-align:center;margin-top:30px;font-size:14px;color:var(--text-2)}
.dl-foot b{color:var(--text-1)}

/* ---- faq ---- */
.faq{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq details{border:1px solid var(--border);border-radius:var(--r-md);background:var(--bg-1);overflow:hidden}
.faq summary{list-style:none;cursor:pointer;padding:20px 22px;font-weight:600;font-size:16px;
  display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary .chev{width:18px;height:18px;color:var(--text-2);transition:transform .25s;flex:none}
.faq details[open] summary .chev{transform:rotate(180deg)}
.faq .ans{padding:0 22px 20px;color:var(--text-1);font-size:15px}

/* ---- footer ---- */
footer{border-top:1px solid var(--border);padding:48px 0 40px;margin-top:40px}
.foot-row{display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.foot-row .brand{font-size:15px}
.foot-links{display:flex;gap:22px;font-size:14px;color:var(--text-1);flex-wrap:wrap}
.foot-links a:hover{color:var(--teal)}
.copy{margin-top:22px;font-size:13px;color:var(--text-2)}

/* ---- reveal ---- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.mock.tilt{transform:none}}