/* ===== UltraWarden — лендинг (v2, после ревью) ===== */
:root{
  --bg:#0a0e16; --bg-soft:#0f1420; --card:#131a28; --line:rgba(255,255,255,.09);
  --text:#eaeef6; --muted:#b9c2d6; --accent:#34d8f0; --accent2:#9b7cff;
  --radius:16px; --max:1120px;
  --grad:linear-gradient(120deg,#34d8f0,#9b7cff);
  --z-nav:50;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  background:var(--bg); color:var(--text);
  font-family:Manrope,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  line-height:1.6; -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.14;letter-spacing:-.025em;font-weight:800;text-wrap:balance}
p{text-wrap:pretty}
section{padding:96px 24px}

/* Skip-ссылка для клавиатуры */
.skip-link{position:absolute;left:16px;top:-48px;z-index:100;background:var(--text);color:#06121a;
  padding:10px 16px;border-radius:10px;font-weight:700;transition:top .2s ease}
.skip-link:focus{top:16px}

.section__head{max-width:640px;margin:0 auto 56px;text-align:center}
.section__head h2{font-size:clamp(28px,4vw,40px)}
.section__head p{color:var(--muted);margin-top:12px;font-size:18px}

/* Кнопки */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;font-weight:600;font-size:15px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .25s cubic-bezier(.22,1,.36,1),box-shadow .25s ease,background .2s ease;
}
.btn--lg{padding:15px 30px;font-size:16px}
.btn--primary{background:var(--grad);color:#05121a;font-weight:700;box-shadow:0 8px 30px rgba(52,216,240,.22)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 14px 44px rgba(155,124,255,.34)}
.btn--primary:focus-visible{outline:2px solid #fff;outline-offset:3px}
.btn--ghost{background:rgba(255,255,255,.05);border-color:var(--line);color:var(--text)}
.btn--ghost:hover{transform:translateY(-2px);background:rgba(255,255,255,.09)}
.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:8px}

/* Шапка */
.nav{
  position:sticky;top:0;z-index:var(--z-nav);display:flex;align-items:center;gap:24px;
  padding:16px 24px;max-width:var(--max);margin:0 auto;
}
.nav::before{content:"";position:fixed;inset:0 0 auto 0;height:72px;background:rgba(10,14,22,.82);
  border-bottom:1px solid var(--line);backdrop-filter:saturate(140%) blur(8px);z-index:-1}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px}
.brand__name{color:var(--text)}
.nav__links{display:flex;gap:24px;margin-left:auto;font-size:15px}
.nav__links a{color:#cdd5e6}
.nav__links a:hover{color:var(--text)}
.nav__actions{display:flex;align-items:center;gap:18px}
.nav__login{color:#cdd5e6;font-size:15px;font-weight:600}
.nav__login:hover{color:var(--text)}

/* Hero */
.hero{position:relative;padding:120px 24px 96px;text-align:center;overflow:hidden}
.hero__aurora{
  position:absolute;inset:-20% -10% auto -10%;height:560px;z-index:0;pointer-events:none;
  background:
    radial-gradient(40% 50% at 30% 20%,rgba(52,216,240,.22),transparent 70%),
    radial-gradient(42% 52% at 70% 30%,rgba(155,124,255,.26),transparent 70%);
  filter:blur(22px);animation:floatAurora 14s ease-in-out infinite alternate;
}
@keyframes floatAurora{from{transform:translateY(-12px) scale(1)}to{transform:translateY(22px) scale(1.06)}}
.hero__inner{position:relative;z-index:1;max-width:760px;margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text);
  background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:999px;padding:7px 16px;margin-bottom:24px}
.eyebrow__dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
.hero__title{font-size:clamp(40px,7vw,72px)}
.hero__sub{color:var(--muted);font-size:clamp(16px,2.2vw,20px);max-width:60ch;margin:24px auto 0}
.hero__actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:36px}
.hero__trust{display:flex;gap:14px 28px;justify-content:center;flex-wrap:wrap;margin-top:44px;color:var(--muted);font-size:15px}
.hero__trust span{display:inline-flex;align-items:center;gap:8px}
.dot{width:6px;height:6px;border-radius:50%;background:var(--accent2)}

/* Возможности: 2×2 крупные карточки + строка из двух пунктов */
.features{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;
  transition:transform .3s cubic-bezier(.22,1,.36,1),border-color .3s ease}
.card:hover{transform:translateY(-5px);border-color:rgba(52,216,240,.38)}
.card__icon{color:var(--accent);width:52px;height:52px;display:grid;place-items:center;border-radius:14px;
  background:rgba(52,216,240,.08);border:1px solid var(--line);margin-bottom:18px}
.card h3{font-size:21px;margin-bottom:8px}
.card p{color:var(--muted);font-size:15.5px;max-width:46ch}
.features__strip{max-width:var(--max);margin:20px auto 0;display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.mini{display:flex;gap:14px;align-items:flex-start;color:var(--muted);font-size:15.5px;
  background:var(--bg-soft);border:1px solid var(--line);border-radius:14px;padding:20px 22px}
.mini strong{color:var(--text);font-weight:700}
.mini__icon{color:var(--accent);flex:none;margin-top:1px}

/* Тарифы */
.pricing{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.plan{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;text-align:center;
  display:flex;flex-direction:column;gap:10px;position:relative;
  transition:transform .3s cubic-bezier(.22,1,.36,1),border-color .3s ease}
.plan:hover{transform:translateY(-5px)}
.plan--featured{border-color:rgba(155,124,255,.5);box-shadow:0 0 0 1px rgba(155,124,255,.25),0 20px 50px rgba(155,124,255,.14)}
.plan__badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--grad);color:#05121a;
  font-size:12px;font-weight:700;padding:4px 14px;border-radius:999px}
.plan__name{font-size:18px;color:var(--muted);font-weight:600}
.plan__price{font-size:22px;font-weight:800}
.plan__price span{font-size:44px}
.plan__note{color:var(--muted);font-size:14px;margin-bottom:8px}
.plan .btn{margin-top:auto;width:100%}

/* Шаги */
.steps{list-style:none;max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:30px;position:relative}
.step__num{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--grad);
  color:#05121a;font-weight:800;font-size:18px;margin-bottom:16px}
.step h3{font-size:19px;margin-bottom:8px}
.step p{color:var(--muted);font-size:15.5px}
.how__cta{text-align:center;margin-top:48px}

/* FAQ */
.faq{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq__item{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:4px 22px}
.faq__item summary{cursor:pointer;padding:18px 0;font-weight:600;list-style:none;display:flex;
  justify-content:space-between;align-items:center;gap:16px}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{content:"+";color:var(--accent);font-size:22px;transition:transform .2s ease;flex:none}
.faq__item[open] summary::after{transform:rotate(45deg)}
.faq__item p{color:var(--muted);padding:0 0 20px;font-size:15.5px}

/* Финальный CTA */
.cta{padding:96px 24px}
.cta__inner{max-width:760px;margin:0 auto;text-align:center;
  background:linear-gradient(135deg,rgba(52,216,240,.08),rgba(155,124,255,.1));
  border:1px solid var(--line);border-radius:24px;padding:56px 32px}
.cta__inner h2{font-size:clamp(26px,4vw,38px)}
.cta__inner p{color:var(--muted);margin:14px 0 28px;font-size:18px}

/* Футер */
.footer{border-top:1px solid var(--line);padding:48px 24px 36px;max-width:var(--max);margin:0 auto}
.footer__top{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.footer__links{display:flex;gap:24px;flex-wrap:wrap;font-size:14px}
.footer__links a{color:var(--muted)}
.footer__links a:hover{color:var(--text)}
.footer__copy{color:var(--muted);font-size:13px;margin-top:24px}

/* Появление при скролле: включается ТОЛЬКО при наличии JS (контент виден без JS) */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s cubic-bezier(.22,1,.36,1)}
.js .reveal.is-visible{opacity:1;transform:none}

/* Адаптив */
@media(max-width:900px){
  .features,.features__strip{grid-template-columns:1fr}
  .pricing{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .nav__links{display:none}
}
@media(max-width:560px){
  section{padding:72px 20px}
  .pricing{grid-template-columns:1fr}
  .nav__cta{display:none}
}

/* Уважение к настройке «меньше движения» */
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .js .reveal{opacity:1;transform:none}
}