/* =========================================================
   Вода — чистый современный лендинг
   Плоский дизайн, мягкие тени, много воздуха
   ========================================================= */
:root{
  /* Палитра — глубоководная тёмная */
  --bg:#070e1a;
  --surface:#101d31;
  --surface-2:#0b1626;
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,255,255,.17);
  --text:#dfe8f3;
  --heading:#f3f8fe;
  --muted:#93a2b7;
  --muted-2:#697789;

  --accent:#2f8bff;
  --accent-press:#1f76e8;
  --accent-soft:rgba(47,139,255,.14);
  --cyan:#37c9f0;
  --dark:#0b1422;

  /* Тени / свечения */
  --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  --shadow-md:0 18px 44px -20px rgba(0,0,0,.7),0 0 0 1px rgba(47,139,255,.05);
  --shadow-lg:0 34px 80px -34px rgba(0,0,0,.8);

  /* Радиусы */
  --r:12px;
  --r-card:20px;
  --r-lg:28px;

  --max:1120px;
  --font-body:'Onest',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --font-display:'Onest',system-ui,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  letter-spacing:-.011em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img,svg{display:block}
::selection{background:rgba(47,139,255,.32);color:#fff}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.container--narrow{max-width:740px}

/* ---------- Фон: глубина + подсветка сверху ---------- */
.bg{
  position:fixed;inset:0;z-index:-2;overflow:hidden;
  background:
    radial-gradient(1200px 640px at 50% -14%, rgba(47,139,255,.30) 0%, rgba(47,139,255,0) 58%),
    radial-gradient(820px 480px at 84% -4%, rgba(55,201,240,.16) 0%, rgba(55,201,240,0) 55%),
    linear-gradient(180deg,#0c1d33 0%,#091428 42%,#060d1b 72%,#04080f 100%);
}

/* ---------- Лучи света (god rays) ---------- */
.rays{position:absolute;inset:0;overflow:hidden;pointer-events:none;mix-blend-mode:screen;opacity:.75}
.ray{
  position:absolute;top:-14%;left:50%;width:var(--w,160px);height:122%;
  transform-origin:top center;
  background:linear-gradient(to bottom, rgba(130,205,255,.22) 0%, rgba(120,195,255,.10) 38%, rgba(120,195,255,0) 70%);
  filter:blur(18px);
  animation:rayPulse var(--d,12s) ease-in-out infinite alternate;
  animation-delay:var(--dl,0s);will-change:transform,opacity;
}
@keyframes rayPulse{
  from{opacity:.16;transform:translateX(var(--x,0)) rotate(var(--rot)) scaleX(.82)}
  to{opacity:.62;transform:translateX(var(--x,0)) rotate(calc(var(--rot) + 6deg)) scaleX(1.18)}
}

/* ---------- Пузырьки ---------- */
.bubbles{position:absolute;inset:0;pointer-events:none}
.bubble{
  position:absolute;bottom:-40px;border-radius:50%;opacity:0;
  background:radial-gradient(circle at 32% 28%, rgba(255,255,255,.55), rgba(180,225,255,.10) 46%, rgba(255,255,255,0) 70%);
  box-shadow:inset 0 0 4px rgba(255,255,255,.35),0 0 8px rgba(120,200,255,.18);
  border:1px solid rgba(255,255,255,.1);
  animation-name:rise;animation-timing-function:linear;animation-iteration-count:infinite;
  will-change:transform,opacity;
}
@keyframes rise{
  0%{transform:translate(0,0) scale(.85);opacity:0}
  8%{opacity:.55}
  55%{opacity:.4}
  88%{opacity:.16}
  100%{transform:translate(26px,-104vh) scale(1.1);opacity:0}
}

/* ---------- Кнопки (плоские) ---------- */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:inherit;font-weight:600;font-size:15px;line-height:1;cursor:pointer;
  padding:13px 22px;border-radius:var(--r);border:1px solid transparent;
  color:#fff;background:var(--accent);
  box-shadow:0 1px 2px rgba(10,132,255,.18);
  transition:background .16s ease,transform .16s ease,box-shadow .16s ease,border-color .16s ease;
  white-space:nowrap;overflow:hidden;isolation:isolate;
}
.btn>*{position:relative;z-index:1}
.btn:hover{background:var(--accent-press);transform:translateY(-1px);box-shadow:0 6px 18px -6px rgba(10,132,255,.5)}
.btn:active{transform:translateY(0)}
.btn--lg{padding:15px 26px;font-size:16px;border-radius:14px}
.btn--sm{padding:9px 16px;font-size:14px;border-radius:10px}
.btn--block{width:100%;margin-top:auto}

.btn--ghost{
  background:var(--surface);color:var(--text);border:1px solid var(--border);
  box-shadow:var(--shadow-sm);
}
.btn--ghost:hover{background:var(--surface);border-color:var(--border-strong);transform:translateY(-1px);box-shadow:var(--shadow-md)}

.btn--light{
  background:#fff;color:var(--dark);border:1px solid rgba(255,255,255,.9);
  box-shadow:0 8px 24px -10px rgba(0,0,0,.5);
}
.btn--light:hover{background:#f1f3f6}

.btn__tg{width:18px;height:18px;fill:currentColor}

/* лёгкая рябь */
.ripple{position:absolute;border-radius:50%;transform:translate(-50%,-50%) scale(0);z-index:0;pointer-events:none;
  background:radial-gradient(circle,rgba(255,255,255,.5),rgba(255,255,255,0) 70%);animation:ripple .6s ease-out forwards}
.btn--ghost .ripple,.btn--light .ripple{background:radial-gradient(circle,rgba(10,132,255,.22),rgba(10,132,255,0) 70%)}
@keyframes ripple{to{transform:translate(-50%,-50%) scale(1);opacity:0}}

/* ---------- Шапка ---------- */
.nav{position:sticky;top:0;z-index:50;transition:background .25s,box-shadow .25s,border-color .25s;
  border-bottom:1px solid transparent}
.nav.is-scrolled{
  background:rgba(9,18,32,.72);
  -webkit-backdrop-filter:saturate(160%) blur(14px);backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid var(--border);
}
.nav__inner{display:flex;align-items:center;gap:24px;height:68px;max-width:var(--max);margin:0 auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:800;font-size:20px;letter-spacing:-.03em;color:var(--heading)}
.brand__drop{width:26px;height:26px;display:grid;place-items:center}
.brand__drop svg{width:100%;height:100%;fill:var(--cyan)}
.brand__name span{color:var(--accent)}
.nav__links{display:flex;gap:28px;margin-left:auto;font-weight:500;font-size:15px;color:var(--muted)}
.nav__links a{transition:color .15s}
.nav__links a:hover{color:var(--text)}
.nav .btn--sm{margin-left:4px}
.nav__burger{display:none;background:none;border:0;flex-direction:column;gap:5px;cursor:pointer;padding:6px;margin-left:auto}
.nav__burger span{width:22px;height:2px;background:var(--text);border-radius:2px;transition:.25s}

/* ---------- Hero ---------- */
.hero{position:relative;padding:84px 0 76px;text-align:center}
.hero__inner{position:relative;max-width:840px;margin:0 auto}
.hero__badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--surface);border:1px solid var(--border);color:var(--muted);
  font-weight:500;font-size:13px;padding:7px 15px;border-radius:999px;margin-bottom:30px;
  box-shadow:var(--shadow-sm);
}
.hero__badge .dot{width:8px;height:8px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 0 rgba(34,197,94,.5);animation:pulse 2.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(34,197,94,.45)}70%{box-shadow:0 0 0 7px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
.hero__title{font-family:var(--font-display);font-size:clamp(40px,6.6vw,74px);line-height:1.04;font-weight:800;letter-spacing:-.035em;color:var(--heading);margin-bottom:24px}
.hero__sub{font-size:clamp(17px,2.1vw,20px);line-height:1.55;color:var(--muted);max-width:600px;margin:0 auto 34px}
.hero__points{list-style:none;display:flex;flex-wrap:wrap;gap:9px;justify-content:center;max-width:680px;margin:0 auto 34px}
.hero__points li{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:500;color:var(--text);
  background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:8px 14px;box-shadow:var(--shadow-sm)}
.hero__cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.hero__price{margin-top:20px;font-size:14.5px;color:var(--muted-2)}
.hero__price b{color:var(--text);font-weight:700}

.hero__trust{
  display:flex;gap:0;justify-content:center;flex-wrap:wrap;margin:60px auto 0;max-width:660px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);overflow:hidden;
}
.hero__trust div{display:flex;flex-direction:column;flex:1;min-width:120px;padding:24px 18px;text-align:center}
.hero__trust div+div{border-left:1px solid var(--border)}
.hero__trust b{font-family:var(--font-display);font-size:30px;font-weight:800;color:var(--heading);letter-spacing:-.03em}
.hero__trust span{font-size:13.5px;color:var(--muted);font-weight:500;margin-top:4px}

/* ---------- Секции ---------- */
.section{padding:92px 0}
.section--alt{}
.section__head{text-align:center;max-width:700px;margin:0 auto 56px}
.eyebrow{display:inline-block;font-weight:600;font-size:12.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.section__head h2{font-family:var(--font-display);font-size:clamp(28px,3.9vw,42px);font-weight:800;letter-spacing:-.035em;color:var(--heading);line-height:1.12}
.section__lead{margin-top:16px;color:var(--muted);font-size:17.5px}

.grid{display:grid;gap:20px}
.grid--features{grid-template-columns:repeat(3,1fr)}
.grid--steps{grid-template-columns:repeat(3,1fr);gap:20px}
.grid--pricing{grid-template-columns:repeat(3,1fr);gap:22px;max-width:1080px;margin:0 auto}

/* ---------- Карточки ---------- */
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);padding:30px 28px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-3px);border-color:var(--border-strong);box-shadow:var(--shadow-md)}
.card__ic{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:20px;
  background:var(--accent-soft);
}
.card__ic svg{width:23px;height:23px;fill:var(--accent)}
.card h3{font-size:18.5px;font-weight:700;letter-spacing:-.02em;color:var(--heading);margin-bottom:9px}
.card p{color:var(--muted);font-size:15px;line-height:1.62}

/* ---------- Шаги ---------- */
.step{
  position:relative;text-align:center;padding:34px 26px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.step:hover{transform:translateY(-3px);border-color:var(--border-strong);box-shadow:var(--shadow-md)}
.step__num{
  width:44px;height:44px;border-radius:50%;margin:0 auto 18px;display:grid;place-items:center;
  font-family:var(--font-display);font-size:18px;font-weight:700;color:#fff;background:var(--accent);
  box-shadow:0 6px 16px -6px rgba(10,132,255,.6);
}
.step h3{font-size:18.5px;font-weight:700;letter-spacing:-.02em;color:var(--heading);margin-bottom:9px}
.step p{color:var(--muted);font-size:15px;line-height:1.62}
.how__cta{text-align:center;margin-top:44px}

/* ---------- Тарифы ---------- */
.toggle{
  display:inline-flex;gap:3px;padding:5px;border-radius:999px;
  background:var(--surface-2);border:1px solid var(--border);
  margin:0 auto 44px;justify-content:center;flex-wrap:wrap;
  position:relative;left:50%;transform:translateX(-50%);
}
.toggle__btn{
  border:0;background:transparent;cursor:pointer;font-family:inherit;font-weight:600;font-size:14px;color:var(--muted);
  padding:10px 18px;border-radius:999px;transition:.18s;display:inline-flex;align-items:center;gap:7px;
}
.toggle__btn:hover{color:var(--text)}
.toggle__btn.is-active{background:var(--surface);color:var(--text);box-shadow:var(--shadow-sm),inset 0 0 0 1px rgba(255,255,255,.06)}
.toggle__save{font-size:11px;font-weight:700;color:var(--accent);background:var(--accent-soft);padding:3px 7px;border-radius:999px}
.toggle__btn.is-active .toggle__save{color:#16a34a;background:#e7f8ee}

.plan{
  position:relative;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:34px 30px;
  transition:transform .18s,box-shadow .18s,border-color .18s;
}
.plan:hover{transform:translateY(-3px);border-color:var(--border-strong);box-shadow:var(--shadow-md)}
.plan--featured{border:1.5px solid var(--accent);box-shadow:var(--shadow-md)}
.plan__tag{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--accent);color:#fff;font-size:12px;font-weight:600;letter-spacing:.01em;
  padding:6px 15px;border-radius:999px;box-shadow:0 6px 16px -6px rgba(10,132,255,.7);
}
.plan__head h3{font-family:var(--font-display);font-size:21px;font-weight:700;letter-spacing:-.02em;color:var(--heading)}
.plan__head p{color:var(--muted);font-weight:500;font-size:15px;margin-top:2px}
.plan__price{display:flex;align-items:flex-start;gap:3px;margin:22px 0 2px;color:var(--heading)}
.plan__cur{font-size:23px;font-weight:600;margin-top:9px;color:var(--muted)}
.plan__val{font-family:var(--font-display);font-size:50px;font-weight:800;line-height:1;letter-spacing:-.04em}
.plan__period{color:var(--muted);font-weight:500;font-size:14.5px;margin-bottom:24px}
.plan__list{list-style:none;margin-bottom:28px;display:flex;flex-direction:column;gap:13px}
.plan__list li{position:relative;padding-left:28px;font-size:15px;color:var(--text)}
.plan__list li::before{
  content:"";position:absolute;left:0;top:1px;width:19px;height:19px;border-radius:50%;
  background:var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 6 9 17l-5-5' fill='none' stroke='%230a84ff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat;
}
.pricing__note{text-align:center;color:var(--muted);font-size:14.5px;margin-top:30px}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px}
.faq__item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:0 24px;
  transition:border-color .18s,box-shadow .18s;
}
.faq__item:hover{border-color:var(--border-strong)}
.faq__item[open]{border-color:var(--border-strong);box-shadow:var(--shadow-sm)}
.faq__item summary{
  list-style:none;cursor:pointer;font-weight:600;font-size:16.5px;letter-spacing:-.01em;color:var(--heading);
  padding:21px 36px 21px 0;position:relative;
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{
  content:"";position:absolute;right:2px;top:50%;width:13px;height:13px;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 5v14M5 12h14' fill='none' stroke='%230a84ff' stroke-width='2.5' stroke-linecap='round'/%3E%3C/svg%3E") center/contain no-repeat;
  transform:translateY(-50%);transition:transform .22s ease;
}
.faq__item[open] summary::after{transform:translateY(-50%) rotate(135deg)}
.faq__item p{color:var(--muted);font-size:15px;line-height:1.62;padding:0 0 21px;margin-top:-4px}

/* ---------- CTA ---------- */
.cta{padding:24px 0 100px}
.cta__inner{
  position:relative;text-align:center;color:#fff;border-radius:var(--r-lg);padding:74px 32px;overflow:hidden;
  background:linear-gradient(180deg,#14263f 0%,#0c1a2e 60%,#0a1626 100%);
  border:1px solid rgba(255,255,255,.1);
  box-shadow:var(--shadow-lg);
}
.cta__inner::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(720px 320px at 50% -26%, rgba(47,139,255,.55),rgba(47,139,255,0) 70%)}
.cta__inner>*{position:relative}
.cta__inner h2{font-family:var(--font-display);font-size:clamp(28px,4vw,44px);font-weight:800;letter-spacing:-.03em;margin-bottom:14px}
.cta__inner p{font-size:18px;color:rgba(255,255,255,.72);margin-bottom:32px;max-width:480px;margin-left:auto;margin-right:auto}

/* ---------- Подвал ---------- */
.footer{border-top:1px solid var(--border);padding:56px 0 40px;color:var(--muted)}
.footer__inner{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;padding-bottom:32px;border-bottom:1px solid var(--border);max-width:var(--max);margin:0 auto;width:100%;padding-left:24px;padding-right:24px}
.footer__brand .brand{color:var(--heading);margin-bottom:10px}
.footer__brand .brand__name span{color:var(--accent)}
.footer__brand p{color:var(--muted);font-size:15px}
.footer__nav{display:flex;gap:26px;flex-wrap:wrap;align-items:center;font-weight:500;font-size:15px}
.footer__nav a{color:var(--muted);transition:color .15s}
.footer__nav a:hover{color:var(--text)}
.footer__bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:24px 24px 0;color:var(--muted-2);font-size:13.5px;max-width:var(--max);margin:0 auto;width:100%}

/* ---------- Адаптив ---------- */
@media(max-width:920px){.grid--features{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){
  .nav__links{display:none}
  .nav .btn--sm{display:none}
  .nav__burger{display:flex}
  .nav__links.is-open{
    display:flex;flex-direction:column;position:absolute;top:72px;left:12px;right:12px;
    background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
    padding:18px 22px;gap:16px;box-shadow:var(--shadow-md);
  }
  .hero{padding:54px 0 72px}
  .section{padding:64px 0}
  .grid--features,.grid--steps,.grid--pricing{grid-template-columns:1fr}
  .hero__trust div+div{border-left:0;border-top:1px solid var(--border)}
  .cta__inner{padding:52px 24px}
}
@media(max-width:420px){
  .container{padding:0 18px}
  .hero__cta .btn{width:100%}
  .toggle{width:100%}
}

/* ---------- Юридические страницы ---------- */
.legal{max-width:780px;margin:0 auto;padding:110px 24px 70px}
.legal__back{display:inline-flex;align-items:center;gap:6px;margin-bottom:24px;color:var(--accent);font-weight:500;font-size:15px}
.legal h1{font-family:var(--font-display);font-size:clamp(28px,4vw,40px);font-weight:800;color:var(--heading);letter-spacing:-.035em;margin-bottom:8px}
.legal__meta{color:var(--muted);font-size:14px;margin-bottom:32px}
.legal h2{font-size:19px;font-weight:700;color:var(--heading);letter-spacing:-.02em;margin:30px 0 10px}
.legal p,.legal li{color:var(--muted);font-size:15.5px;line-height:1.65;margin-bottom:9px}
.legal ul{padding-left:22px;margin-bottom:9px}
.legal a{color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(10,132,255,.3)}
.legal__note{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:16px 18px;margin:18px 0;font-size:14px;color:var(--muted)}
.legal__req{background:var(--accent-soft);border:1px solid #cfe5ff;border-radius:var(--r);padding:16px 18px;margin:18px 0;font-size:14.5px;color:var(--text)}

@media(prefers-reduced-motion:reduce){
  .hero__badge .dot,.ripple,.bubble,.ray{animation:none}
  .ripple,.bubbles{display:none}
  *{scroll-behavior:auto}
}