/* ================= FONTS ================= */
@font-face{font-family:'Unbounded';src:url('fonts/unbounded.woff2') format('woff2');font-weight:200 900;font-display:swap}
@font-face{font-family:'Onest';src:url('fonts/onest.woff2') format('woff2');font-weight:100 900;font-display:swap}

/* ================= TOKENS: мир бирюзовой воды из App Store креативов ================= */
:root{
  --teal-0:#5FE0E6;   /* верх воды, свет */
  --teal-1:#2CC7D4;   /* основной фон */
  --teal-2:#12A5BC;   /* глубже */
  --teal-3:#0B7E96;   /* глубина/футер */
  --ink:#FFFFFF;
  --ink-soft:rgba(255,255,255,.86);
  --muted:rgba(235,253,255,.75);
  --petrol:#075063;
  --cyan:#35BEE8;     /* app .cyan — кнопки */
  --cyan-2:#1FA8DC;
  --glass:rgba(255,255,255,.13);
  --glass-line:rgba(255,255,255,.32);
  --app-cyan:#31AEDB; /* текст в UI приложения */
  --disp:'Unbounded','Onest',sans-serif;
  --easing:cubic-bezier(.22,.7,.25,1);
}

/* ================= BASE ================= */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:linear-gradient(180deg,var(--teal-0) 0%,var(--teal-1) 30%,var(--teal-1) 70%,var(--teal-2) 100%);
  color:var(--ink);
  font-family:'Onest',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  font-size:17px;line-height:1.66;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3{text-wrap:balance}
::selection{background:rgba(7,80,99,.35)}

.wrap{max-width:1180px;margin:0 auto;padding:0 clamp(20px,4vw,48px)}
.disp{font-family:var(--disp);font-weight:600;line-height:1.16;letter-spacing:0}
.tagline{font-size:12px;font-weight:800;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-soft);opacity:.9}
section{position:relative;padding:clamp(80px,10vw,140px) 0}
.h2{font-size:clamp(28px,4vw,50px);margin-bottom:16px;text-shadow:0 2px 20px rgba(11,126,150,.45)}
.lead{color:var(--muted);max-width:640px;font-size:clamp(16px,1.5vw,19px)}
.js .rv{opacity:0;transform:translateY(28px);transition:opacity .9s var(--easing),transform .9s var(--easing)}
.js .rv.in{opacity:1;transform:none}

/* ================= ДЕКОР: вода, пузыри, лотосы ================= */
.water-band{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.water-band img{position:absolute;left:50%;top:0;transform:translateX(-50%);min-width:1400px;width:110%;opacity:.85;
  mix-blend-mode:screen;
  -webkit-mask-image:linear-gradient(180deg,#000 55%,transparent 100%);mask-image:linear-gradient(180deg,#000 55%,transparent 100%)}
.deco{position:absolute;pointer-events:none;will-change:transform}
section > .wrap{position:relative;z-index:1}
@media (max-width:760px){ .hide-m{display:none} }
@media (prefers-reduced-motion:no-preference){
  .float-a{animation:fla 9s ease-in-out infinite alternate}
  .float-b{animation:flb 11s ease-in-out infinite alternate}
  .float-c{animation:flc 7s ease-in-out infinite alternate}
  @keyframes fla{from{transform:translateY(-14px) rotate(-2deg)}to{transform:translateY(16px) rotate(2deg)}}
  @keyframes flb{from{transform:translateY(12px)}to{transform:translateY(-18px)}}
  @keyframes flc{from{transform:translateY(-10px) scale(.98)}to{transform:translateY(12px) scale(1.02)}}
}

/* ================= NAV ================= */
header{position:fixed;inset:0 0 auto 0;z-index:60;transition:background .4s,box-shadow .4s}
header.scrolled{background:rgba(18,150,170,.72);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:0 1px 0 rgba(255,255,255,.18)}
.nav{display:flex;align-items:center;gap:14px;height:66px}
.brand{display:flex;align-items:center;gap:11px;margin-right:auto}
.brand img{width:32px;height:32px;border-radius:8px;box-shadow:0 3px 10px rgba(7,80,99,.3)}
.brand b{font-family:var(--disp);font-weight:600;font-size:13px;letter-spacing:.02em;text-shadow:0 1px 8px rgba(7,80,99,.4)}
/* ссылки между страницами */
.nav-links{display:flex;gap:2px}
.nav-links a{font-size:13px;font-weight:700;padding:7px 12px;border-radius:99px;color:var(--ink-soft);transition:.25s}
.nav-links a:hover,.nav-links a.on{background:var(--glass);color:#fff}
/* выпадающий список языков (нативный select в стеклянной пилюле) */
.lang{position:relative;display:inline-flex;align-items:center;border:1px solid var(--glass-line);border-radius:99px;background:var(--glass);transition:background .25s}
.lang:hover{background:rgba(255,255,255,.22)}
.lang select{appearance:none;-webkit-appearance:none;background:transparent;border:0;color:#fff;font:inherit;font-size:12.5px;font-weight:800;letter-spacing:.04em;
  padding:8px 30px 8px 14px;border-radius:99px;cursor:pointer;max-width:170px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lang select option{color:#075063;background:#fff;font-weight:600}
.lang svg{position:absolute;right:11px;pointer-events:none;color:#fff}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media (max-width:640px){
  .nav{gap:8px}
  .nav-links a{padding:7px 9px;font-size:12.5px}
  .lang select{max-width:120px;padding:8px 26px 8px 11px;font-size:12px}
  .nav .btn-sm{padding:9px 12px}
  .nav .btn-sm span{display:none}
}
.btn{position:relative;display:inline-flex;align-items:center;gap:10px;justify-content:center;border-radius:99px;
  padding:16px 30px;font-weight:800;font-size:15.5px;transition:transform .3s var(--easing),box-shadow .3s;will-change:transform;overflow:hidden}
.btn:active{transform:scale(.96)}
.btn-fill{background:linear-gradient(180deg,var(--cyan),var(--cyan-2));color:#fff;
  box-shadow:0 10px 26px -8px rgba(7,80,99,.55),inset 0 1px 0 rgba(255,255,255,.4)}
.btn-fill:hover{box-shadow:0 16px 34px -8px rgba(7,80,99,.6),inset 0 1px 0 rgba(255,255,255,.4);transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--teal-3);box-shadow:0 10px 26px -8px rgba(7,80,99,.5)}
.btn-white:hover{transform:translateY(-2px)}
.btn-line{border:1.5px solid var(--glass-line);color:var(--ink);background:var(--glass)}
.btn-line:hover{border-color:#fff}
.btn-sm{padding:9px 18px;font-size:13.5px}
.btn .rip{position:absolute;border-radius:50%;background:rgba(255,255,255,.5);transform:scale(0);pointer-events:none;animation:rip .7s ease-out forwards}
@keyframes rip{to{transform:scale(3.2);opacity:0}}

/* ================= МОКАП IPHONE (настоящий корпус) ================= */
.mock{position:relative;width:min(280px,64vw);flex:none;filter:drop-shadow(0 34px 60px rgba(7,80,99,.55))}
.mock .frame{position:relative;z-index:2;width:100%;pointer-events:none}
.mock .scr{position:absolute;z-index:1;left:2.22%;top:.7%;
  width:95.63%;height:98.55%;max-width:none;object-fit:cover;border-radius:11.5%/5.4%;background:#DFF6FD}
.mock .scr[data-scene]{opacity:0;transition:opacity .5s ease}
.mock .scr.on,.mock .scr:only-of-type{opacity:1}

/* ================= ФИЧИ ================= */
.fgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px}
.fcard{position:relative;border:1px solid var(--glass-line);border-radius:22px;padding:26px 22px;background:var(--glass);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);overflow:hidden;transition:transform .35s var(--easing),background .35s}
.fcard:hover{transform:translateY(-5px);background:rgba(255,255,255,.2)}
.fcard .ico{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;color:#fff;
  background:rgba(255,255,255,.16);border:1px solid var(--glass-line);margin-bottom:14px}
.fcard h3{font-size:16.5px;font-weight:800;margin-bottom:7px}
.fcard p{color:var(--muted);font-size:14.5px}
@media (max-width:1050px){ .fgrid{grid-template-columns:repeat(2,1fr)} }
@media (max-width:560px){ .fgrid{grid-template-columns:1fr} }

/* ================= ФИНАЛ ================= */
.final{text-align:center;overflow:hidden;padding-bottom:clamp(110px,14vw,180px)}
.final h2{font-size:clamp(38px,6.4vw,84px);margin-bottom:22px;text-shadow:0 3px 30px rgba(11,126,150,.55)}
.final .lead{margin:0 auto 40px}

/* ================= FOOTER ================= */
footer{background:var(--teal-3);padding:38px 0 52px;font-size:14px;color:rgba(235,253,255,.8)}
footer .wrap{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
footer a{color:rgba(235,253,255,.8)} footer a:hover{color:#fff}

/* ================= MISC ================= */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .anim .ent,.js .rv{opacity:1;transform:none;transition:none}
}
a:focus-visible,button:focus-visible{outline:2.5px solid #fff;outline-offset:3px;border-radius:10px}
@media (max-width:640px){
  .brand b{display:none}
}