/* NENIOF — landing styles. White, calm, tidy. */

:root{
  --bg:#ffffff;
  --bg-soft:#f7f8fb;
  --card:#ffffff;
  --ink:#0f1320;
  --ink-2:#3b4358;
  --muted:#7b8398;
  --line:#e8ebf2;
  --line-2:#dfe3ee;
  --accent:#4b6bfb;
  --accent-2:#7f9dff;
  --accent-soft:#eef2ff;
  --mint:#12b886;
  --radius:20px;
  --radius-sm:14px;
  --shadow-sm:0 1px 2px rgba(16,24,40,.04), 0 6px 16px -10px rgba(16,24,40,.14);
  --shadow:0 1px 3px rgba(16,24,40,.05), 0 24px 48px -28px rgba(16,24,40,.22);
  --shadow-lg:0 2px 6px rgba(16,24,40,.06), 0 40px 80px -40px rgba(31,49,120,.35);
  --font:-apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }

body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; }

.wrap{ width:100%; max-width:1160px; margin:0 auto; padding:0 24px; }
.wrap--narrow{ max-width:820px; }

code{
  font-family:var(--mono);
  font-size:.88em;
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:7px;
  padding:.12em .4em;
  white-space:nowrap;
}

.grad{
  background:linear-gradient(100deg, var(--accent) 0%, #8b6cf6 55%, #6ea8ff 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.muted{ color:var(--muted); }

/* ---------- header ---------- */

.head{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease, box-shadow .25s ease;
}
.head.is-stuck{ border-bottom-color:var(--line); box-shadow:0 8px 24px -22px rgba(16,24,40,.5); }

.head__in{
  display:flex; align-items:center; gap:28px;
  height:72px;
}

.brand{ display:flex; align-items:center; gap:11px; font-weight:700; letter-spacing:-.01em; }
.brand__logo{ width:38px; height:38px; border-radius:11px; box-shadow:var(--shadow-sm); }
.brand__name{ font-size:17px; }
.brand__ver{
  font-size:11px; font-weight:600; color:var(--accent);
  background:var(--accent-soft); border-radius:999px; padding:2px 8px;
  letter-spacing:.02em;
}

.nav{ display:flex; gap:26px; margin-left:auto; font-size:14.5px; color:var(--ink-2); }
.nav a{ position:relative; padding:4px 0; transition:color .18s ease; }
.nav a:hover{ color:var(--accent); }
.nav a::after{
  content:""; position:absolute; left:0; right:0; bottom:-2px; height:2px;
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius:2px; transform:scaleX(0); transform-origin:left;
  transition:transform .22s ease;
}
.nav a:hover::after{ transform:scaleX(1); }

.head__cta{ display:flex; align-items:center; gap:12px; margin-left:8px; }

.burger{
  display:none; width:40px; height:40px; border:1px solid var(--line-2);
  background:#fff; border-radius:11px; padding:0; cursor:pointer;
  align-items:center; justify-content:center; flex-direction:column; gap:5px;
}
.burger span{ display:block; width:16px; height:1.8px; background:var(--ink); border-radius:2px; transition:transform .2s ease, opacity .2s ease; }
.burger[aria-expanded="true"] span:first-child{ transform:translateY(3.4px) rotate(45deg); }
.burger[aria-expanded="true"] span:last-child{ transform:translateY(-3.4px) rotate(-45deg); }

/* ---------- buttons ---------- */

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:9px;
  height:48px; padding:0 24px; border-radius:14px;
  font-size:15px; font-weight:600; letter-spacing:-.01em;
  border:1px solid transparent; cursor:pointer;
  transition:transform .16s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn svg{ width:18px; height:18px; fill:none; stroke:currentColor; stroke-width:1.7; stroke-linecap:round; stroke-linejoin:round; }

.btn--primary{
  color:#fff;
  background:linear-gradient(180deg, #5a78ff 0%, var(--accent) 100%);
  box-shadow:0 1px 2px rgba(16,24,40,.1), 0 12px 24px -12px rgba(75,107,251,.75);
}
.btn--primary:hover{ transform:translateY(-1px); box-shadow:0 2px 4px rgba(16,24,40,.1), 0 18px 30px -14px rgba(75,107,251,.85); }
.btn--primary:active{ transform:translateY(0); }

.btn--ghost{
  background:#fff; color:var(--ink); border-color:var(--line-2);
  box-shadow:var(--shadow-sm);
}
.btn--ghost:hover{ border-color:#c9d2ea; transform:translateY(-1px); }

.btn--sm{ height:40px; padding:0 18px; font-size:14px; border-radius:11px; }
.btn--full{ width:100%; }

/* ---------- hero ---------- */

.hero{ position:relative; overflow:hidden; padding:76px 0 0; }
.hero__glow{
  position:absolute; inset:-280px -10% auto; height:760px; pointer-events:none;
  background:
    radial-gradient(560px 380px at 18% 42%, rgba(127,157,255,.20), transparent 68%),
    radial-gradient(520px 360px at 76% 26%, rgba(160,140,255,.16), transparent 70%),
    radial-gradient(420px 300px at 52% 4%, rgba(110,168,255,.12), transparent 72%);
  filter:blur(6px);
}

.hero__in{
  position:relative;
  display:grid; grid-template-columns:1.05fr .95fr; gap:56px;
  align-items:center;
}

.pill{
  display:inline-flex; align-items:center; gap:8px;
  font-size:13px; font-weight:600; color:var(--ink-2);
  background:#fff; border:1px solid var(--line);
  border-radius:999px; padding:6px 14px 6px 10px;
  box-shadow:var(--shadow-sm);
}
.dot{ width:7px; height:7px; border-radius:50%; background:var(--accent); box-shadow:0 0 0 3px rgba(75,107,251,.14); }
.dot--mint{ background:var(--mint); box-shadow:0 0 0 3px rgba(18,184,134,.16); }

h1{
  margin:22px 0 0;
  font-size:clamp(40px, 5.2vw, 62px);
  line-height:1.03;
  letter-spacing:-.035em;
  font-weight:800;
}

.lead{
  margin:22px 0 0;
  max-width:520px;
  font-size:17px; line-height:1.65; color:var(--ink-2);
}

.hero__actions{ display:flex; gap:12px; margin-top:32px; flex-wrap:wrap; }

.hero__meta{
  display:flex; flex-wrap:wrap; gap:8px 22px;
  margin:30px 0 0; padding:0; list-style:none;
  font-size:13.5px; color:var(--muted);
}
.hero__meta li{ display:flex; align-items:center; gap:8px; }
.hero__meta li::before{
  content:""; width:4px; height:4px; border-radius:50%; background:#c8cfe0;
}

.hero__art{ position:relative; display:flex; justify-content:center; }

.hero__stage{ position:relative; display:flex; justify-content:center; width:100%; max-width:300px; }

.phone{
  position:relative;
  width:100%; max-width:268px;
  border-radius:34px;
  padding:9px;
  background:linear-gradient(160deg, #f4f6fc, #e7ebf6);
  border:1px solid var(--line-2);
  box-shadow:var(--shadow-lg);
}
.phone__screen{
  border-radius:26px; overflow:hidden; background:#0b1028;
  aspect-ratio:1000/1500;
}
.phone__screen img{ width:100%; height:100%; object-fit:cover; }

.phone--hero{ transform:rotate(-2deg); }

.chip{
  position:absolute; display:flex; align-items:center; gap:10px;
  background:#fff; border:1px solid var(--line);
  border-radius:15px; padding:11px 15px;
  box-shadow:var(--shadow);
  font-size:13px; line-height:1.25;
}
.chip b{ display:block; font-size:14px; font-weight:700; letter-spacing:-.01em; }
.chip span{ display:block; color:var(--muted); font-size:11.5px; }
.chip--status{ left:-24px; bottom:70px; }
.chip--speed{ right:-30px; top:58px; flex-direction:column; align-items:flex-start; gap:2px; }
.chip--speed b{ font-size:20px; letter-spacing:-.03em; }

/* ---------- stats ---------- */

.stats{
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:1px; margin:70px 0 0; padding:0; list-style:none;
  border-top:1px solid var(--line);
}
.stats li{ padding:26px 22px 0 0; }
.stats b{ display:block; font-size:19px; letter-spacing:-.02em; }
.stats span{ display:block; margin-top:4px; font-size:13px; color:var(--muted); }

/* ---------- sections ---------- */

.sec{ padding:96px 0; }
.sec--soft{ background:var(--bg-soft); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }

.sec__head{ max-width:620px; margin:0 0 44px; }
.sec__head--row{ display:flex; align-items:flex-end; justify-content:space-between; gap:24px; max-width:none; }

.eyebrow{
  display:inline-block; font-size:12px; font-weight:700; letter-spacing:.1em;
  text-transform:uppercase; color:var(--accent);
}

h2{
  margin:12px 0 0;
  font-size:clamp(26px, 3.1vw, 36px);
  line-height:1.15; letter-spacing:-.03em; font-weight:750;
}

.sec__head p{ margin:14px 0 0; color:var(--ink-2); }

/* ---------- feature grid ---------- */

.grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }

.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px 26px 30px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease, box-shadow .24s ease, border-color .24s ease;
}
.card:hover{ transform:translateY(-3px); box-shadow:var(--shadow); border-color:var(--line-2); }

.ico{
  display:inline-flex; align-items:center; justify-content:center;
  width:44px; height:44px; border-radius:13px;
  background:var(--accent-soft); color:var(--accent);
  margin-bottom:18px;
}
.ico svg{ width:22px; height:22px; fill:none; stroke:currentColor; stroke-width:1.7; stroke-linecap:round; stroke-linejoin:round; }

.card h3{ margin:0 0 8px; font-size:16.5px; letter-spacing:-.015em; }
.card p{ margin:0; font-size:14.5px; color:var(--ink-2); }

/* ---------- speed ---------- */

.speed{ display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
.speed__text p{ margin:16px 0 0; font-size:15px; }

.bars{ margin-top:30px; display:grid; gap:14px; }
.bars__row{ display:grid; grid-template-columns:52px 1fr 56px; align-items:center; gap:14px; }
.bars__label{ font-size:13px; color:var(--muted); font-variant-numeric:tabular-nums; }
.bars__track{ height:10px; border-radius:999px; background:#eceff7; overflow:hidden; }
.bars__fill{
  height:100%; width:var(--w); border-radius:999px;
  background:linear-gradient(90deg, #6f8cff, var(--accent));
  animation:grow 1s cubic-bezier(.22,.7,.3,1) both;
}
.bars__fill--old{ background:linear-gradient(90deg, #cdd5e8, #b8c2da); }
.bars__fill--ref{ background:repeating-linear-gradient(90deg, #dfe4f1 0 6px, #eef1f8 6px 12px); }
.bars__val{ font-size:14px; font-weight:650; text-align:right; font-variant-numeric:tabular-nums; }
.bars__val--new{ color:var(--accent); }
.bars__row--ghost .bars__label, .bars__row--ghost .bars__val{ color:#a3aabb; }
@keyframes grow{ from{ width:0; } }

.note{ margin:16px 0 0; font-size:12.5px; color:var(--muted); }

.ticks{ margin:0; padding:0; list-style:none; display:grid; gap:14px; }
.ticks li{
  position:relative; padding:16px 20px 16px 46px;
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-sm);
  font-size:14.5px; color:var(--ink-2); box-shadow:var(--shadow-sm);
}
.ticks li b{ color:var(--ink); font-weight:650; }
.ticks li::before{
  content:""; position:absolute; left:19px; top:22px;
  width:13px; height:7px; border-left:2px solid var(--accent); border-bottom:2px solid var(--accent);
  transform:rotate(-45deg); border-radius:1px;
}

/* ---------- screenshots ---------- */

.arrows{ display:flex; gap:8px; }
.arrow{
  width:42px; height:42px; border-radius:12px; border:1px solid var(--line-2);
  background:#fff; cursor:pointer; font-size:20px; line-height:1;
  color:var(--ink-2); box-shadow:var(--shadow-sm);
  transition:border-color .18s ease, color .18s ease, transform .18s ease;
}
.arrow:hover{ border-color:#c9d2ea; color:var(--accent); transform:translateY(-1px); }

.shots{
  display:flex; gap:24px; overflow-x:auto; scroll-snap-type:x mandatory;
  padding:6px 4px 22px; scrollbar-width:none;
}
.shots::-webkit-scrollbar{ display:none; }

.shot{ flex:0 0 246px; margin:0; scroll-snap-align:start; }
.shot .phone{ max-width:none; box-shadow:var(--shadow); }
.shot figcaption{ margin-top:14px; font-size:13px; color:var(--muted); text-align:center; }

/* ---------- download ---------- */

.dl{ display:grid; grid-template-columns:1.15fr .85fr; gap:20px; align-items:start; }
.dl > *, .grid > *, .steps > *, .speed > *{ min-width:0; }

.dl-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  padding:30px; box-shadow:var(--shadow-sm);
  min-width:0;
}
.dl-card--main{ border-color:#d9e1ff; box-shadow:0 1px 3px rgba(16,24,40,.05), 0 30px 60px -40px rgba(75,107,251,.6); }

.tag{
  display:inline-block; font-size:11.5px; font-weight:700; letter-spacing:.06em;
  text-transform:uppercase; color:#fff;
  background:linear-gradient(180deg, #5a78ff, var(--accent));
  border-radius:999px; padding:4px 11px;
}
.tag--soft{ color:var(--accent); background:var(--accent-soft); }

.dl-card h3{ margin:14px 0 6px; font-size:22px; letter-spacing:-.025em; }
.dl-card p{ margin:0; font-size:14.5px; color:var(--ink-2); }

.dl-card__meta{
  display:flex; gap:8px; align-items:center;
  margin:18px 0 20px; font-size:13px; color:var(--muted);
  font-variant-numeric:tabular-nums;
}

.hash{
  display:flex; align-items:center; gap:10px; flex-wrap:wrap;
  margin-top:18px; padding-top:16px; border-top:1px dashed var(--line-2);
}
.hash__label{ font-size:11px; font-weight:700; letter-spacing:.08em; color:var(--muted); }
.hash code{
  flex:1 1 100%; order:3; min-width:0;
  font-size:11.5px; color:var(--ink-2); background:var(--bg-soft);
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
}
.copy{
  margin-left:auto; font-size:12px; color:var(--accent);
  background:none; border:0; padding:0; cursor:pointer;
}
.copy:hover{ text-decoration:underline; }

.steps{
  counter-reset:s; list-style:none;
  display:grid; grid-template-columns:repeat(3,1fr); gap:18px;
  margin:32px 0 0; padding:0;
}
.steps li{
  counter-increment:s; position:relative;
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-sm);
  padding:22px 22px 22px 22px; box-shadow:var(--shadow-sm);
}
.steps li::before{
  content:counter(s);
  display:inline-flex; align-items:center; justify-content:center;
  width:26px; height:26px; margin-bottom:12px;
  border-radius:50%; background:var(--accent-soft); color:var(--accent);
  font-size:13px; font-weight:700;
}
.steps b{ display:block; font-size:15px; letter-spacing:-.01em; }
.steps span{ display:block; margin-top:6px; font-size:13.5px; color:var(--muted); }

.dl-note{ margin:26px 0 0; font-size:13.5px; color:var(--muted); text-align:center; }
.dl-note a{ color:var(--accent); font-weight:600; }
.dl-note a:hover{ text-decoration:underline; }

/* ---------- faq ---------- */

.faq{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-sm);
  padding:0 22px; margin-bottom:12px; box-shadow:var(--shadow-sm);
}
.faq summary{
  list-style:none; cursor:pointer; position:relative;
  padding:20px 34px 20px 0; font-size:15.5px; font-weight:600; letter-spacing:-.01em;
}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{
  content:""; position:absolute; right:6px; top:26px;
  width:8px; height:8px; border-right:2px solid var(--muted); border-bottom:2px solid var(--muted);
  transform:rotate(45deg); transition:transform .22s ease;
}
.faq[open] summary::after{ transform:rotate(-135deg); }
.faq p{ margin:0; padding:0 0 22px; font-size:14.5px; color:var(--ink-2); }

/* ---------- cta ---------- */

.cta{ padding:0 0 96px; }
.cta__in{
  display:flex; align-items:center; justify-content:space-between; gap:32px; flex-wrap:wrap;
  background:linear-gradient(120deg, #f4f7ff, #fbf9ff 60%, #f2f8ff);
  border:1px solid var(--line-2); border-radius:26px;
  padding:44px 46px;
  box-shadow:var(--shadow);
}
.cta h2{ margin:0; font-size:clamp(24px, 2.7vw, 31px); }
.cta p{ margin:10px 0 0; color:var(--ink-2); font-size:15px; }

/* ---------- footer ---------- */

.foot{ border-top:1px solid var(--line); padding:40px 0 48px; }
.foot__in{ display:grid; grid-template-columns:1fr auto; gap:18px 32px; align-items:center; }
.foot__brand{ display:flex; align-items:center; gap:12px; }
.foot__brand img{ width:34px; height:34px; border-radius:10px; }
.foot__brand b{ display:block; font-size:14.5px; }
.foot__brand span{ display:block; font-size:12.5px; color:var(--muted); }

.foot__links{ display:flex; gap:22px; font-size:13.5px; color:var(--ink-2); flex-wrap:wrap; }
.foot__links a:hover{ color:var(--accent); }

.foot__copy{
  grid-column:1 / -1; margin:14px 0 0; padding-top:20px;
  border-top:1px solid var(--line); font-size:12.5px; color:var(--muted);
}

/* ---------- responsive ---------- */

@media (max-width:980px){
  .hero__in{ grid-template-columns:1fr; gap:44px; }
  .hero__art{ order:2; }
  .hero__text{ order:1; }
  .chip--status{ left:0; bottom:40px; }
  .chip--speed{ right:0; }
  .stats{ grid-template-columns:repeat(2,1fr); margin-top:56px; }
  .stats li{ padding:22px 18px 18px 0; border-top:1px solid var(--line); }
  .stats li:nth-child(1), .stats li:nth-child(2){ border-top:0; }
  .grid{ grid-template-columns:repeat(2,1fr); }
  .speed{ grid-template-columns:1fr; gap:36px; }
  .dl{ grid-template-columns:1fr; }
  .steps{ grid-template-columns:1fr; }
  .cta__in{ padding:34px 28px; }
}

@media (max-width:720px){
  .nav{
    position:absolute; top:72px; left:12px; right:12px;
    flex-direction:column; gap:0; margin:0;
    background:#fff; border:1px solid var(--line); border-radius:16px;
    padding:8px; box-shadow:var(--shadow);
    display:none;
  }
  .nav.is-open{ display:flex; }
  .nav a{ padding:12px 14px; border-radius:10px; font-size:15px; }
  .nav a:hover{ background:var(--bg-soft); }
  .nav a::after{ display:none; }
  .burger{ display:flex; }
  .head__in{ gap:12px; }
  .head__cta{ margin-left:auto; }
  .head__cta .btn--primary{ display:none; }

  .hero{ padding-top:48px; }
  .sec{ padding:68px 0; }
  .grid{ grid-template-columns:1fr; }
  .wrap{ padding:0 18px; }
  .chip--status{ left:0; bottom:24px; }
  .chip--speed{ right:0; top:36px; }
  .shot{ flex-basis:214px; }
  .sec__head--row{ flex-direction:column; align-items:flex-start; }
  .foot__in{ grid-template-columns:1fr; }
  .cta{ padding-bottom:68px; }
}

/* появление блоков */
.reveal{ opacity:0; transform:translateY(14px); transition:opacity .5s ease, transform .5s cubic-bezier(.22,.7,.3,1); }
.reveal.in{ opacity:1; transform:none; }

@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  .reveal{ opacity:1 !important; transform:none !important; }
  *{ animation-duration:.001ms !important; transition-duration:.001ms !important; }
}