:root{
  --bg:#0b0f1a; --bg2:#0f1525; --panel:#141b2e; --panel2:#1a2338;
  --txt:#eef2f9; --muted:#9aa6bf; --line:rgba(255,255,255,.08);
  --acc:#5b8cff; --acc2:#9b6bff; --ok:#34d399;
  --grad:linear-gradient(110deg,#5b8cff 0%,#9b6bff 55%,#ff8fc7 100%);
  --maxw:1120px; --r:18px;
  --sh:0 20px 60px rgba(0,0,0,.45);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Manrope',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  background:var(--bg);color:var(--txt);line-height:1.55;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.wrap--center{text-align:center}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;gap:.4em;font-weight:700;font-size:1.02rem;
  padding:15px 26px;border-radius:14px;transition:transform .15s ease,box-shadow .2s ease;cursor:pointer;border:0}
.btn--primary{background:var(--grad);color:#0a0a12;box-shadow:0 10px 30px rgba(91,140,255,.35)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(123,107,255,.5)}
.btn--full{width:100%;justify-content:center}
.btn--lg{font-size:1.15rem;padding:18px 36px}

/* ===== HERO ===== */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;
  background:radial-gradient(1200px 600px at 70% -10%,rgba(91,140,255,.18),transparent 60%),
             radial-gradient(900px 500px at 10% 20%,rgba(155,107,255,.14),transparent 55%),var(--bg);
  overflow:hidden}
.hero__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;z-index:0}
/* защитная подложка: слева плотная (читаемость текста), справа прозрачная (виден 3D) */
.hero::after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(100deg,var(--bg) 0%,var(--bg) 40%,rgba(11,15,26,.82) 54%,rgba(11,15,26,0) 74%)}
.hero__poster{position:absolute;inset:0;z-index:0;opacity:0;transition:opacity .4s ease;
  background:
    radial-gradient(700px 480px at 75% 25%,rgba(123,107,255,.5),transparent 60%),
    radial-gradient(560px 420px at 25% 75%,rgba(91,140,255,.42),transparent 60%),
    conic-gradient(from 200deg at 80% 30%,rgba(255,143,199,.25),transparent 40%);
  filter:blur(8px)}
.hero__poster.is-on{opacity:1}

.nav{position:relative;z-index:3;display:flex;align-items:center;justify-content:space-between;
  padding:20px 22px;max-width:var(--maxw);margin:0 auto;width:100%}
.nav__logo{font-weight:800;font-size:1.15rem;letter-spacing:-.02em}
.nav__dot{color:var(--acc)}
.nav__cta{font-weight:600;font-size:.95rem;color:var(--muted);padding:9px 16px;border:1px solid var(--line);border-radius:11px;transition:.2s}
.nav__cta:hover{color:var(--txt);border-color:var(--acc)}

.hero__inner{position:relative;z-index:2;max-width:var(--maxw);margin:auto;padding:40px 22px 80px;width:100%}
.hero__badge{display:inline-block;background:rgba(52,211,153,.12);color:var(--ok);border:1px solid rgba(52,211,153,.3);
  padding:7px 15px;border-radius:999px;font-size:.9rem;font-weight:600;margin-bottom:22px}
.hero__title{font-size:clamp(2.1rem,5.5vw,4.1rem);line-height:1.06;font-weight:800;letter-spacing:-.03em;margin-bottom:22px}
.hero__sub{font-size:clamp(1.05rem,2.2vw,1.35rem);color:var(--muted);max-width:620px;margin-bottom:34px}
.hero__sub b{color:var(--txt)}
.hero__actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.hero__price{color:var(--muted);font-size:1rem;font-weight:600}
.hero__note{margin-top:20px;font-size:.86rem;color:rgba(154,166,191,.7);max-width:540px}

.hero-switch{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);z-index:3;
  display:flex;align-items:center;gap:8px;background:rgba(10,14,24,.7);backdrop-filter:blur(10px);
  border:1px solid var(--line);border-radius:999px;padding:7px 9px;font-size:.82rem}
.hero-switch__label{color:var(--muted);padding-left:8px}
.hero-switch button{background:transparent;border:0;color:var(--muted);padding:6px 13px;border-radius:999px;cursor:pointer;font-weight:600;font-family:inherit;font-size:.82rem;transition:.18s}
.hero-switch button:hover{color:var(--txt)}
.hero-switch button.is-active{background:var(--grad);color:#0a0a12}

/* ===== SECTIONS ===== */
.section{padding:92px 0;position:relative}
.section--problem{background:var(--bg2)}
.section--inside{background:var(--bg2)}
.section--final{background:radial-gradient(900px 500px at 50% 120%,rgba(123,107,255,.2),transparent 60%),var(--bg)}
.h2{font-size:clamp(1.7rem,3.6vw,2.6rem);font-weight:800;letter-spacing:-.025em;margin-bottom:14px;text-align:center}
.lead{text-align:center;color:var(--muted);font-size:1.12rem;max-width:640px;margin:0 auto 40px}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:46px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:30px 26px}
.card__ico{font-size:2rem;margin-bottom:14px}
.card h3{font-size:1.2rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:.98rem}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:46px;list-style:none;counter-reset:s}
.step{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;position:relative}
.step__n{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;
  background:var(--grad);color:#0a0a12;font-weight:800;font-size:1.25rem;margin-bottom:16px}
.step h3{font-size:1.18rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.97rem}

/* inside */
.inside-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 50px;max-width:760px;margin:0 auto}
.inside-list{list-style:none}
.inside-list li{padding:12px 0 12px 32px;border-bottom:1px solid var(--line);position:relative;font-size:1.04rem}
.inside-list li::before{content:"";position:absolute;left:4px;top:50%;transform:translateY(-50%);
  width:16px;height:16px;border-radius:50%;background:var(--grad)}
.tables-note{margin:36px auto 0;max-width:760px;text-align:center;color:var(--muted);font-size:.98rem;
  background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 22px}
.tables-note span{color:var(--acc);font-weight:700}

/* price */
.price-card{max-width:480px;margin:0 auto;background:linear-gradient(180deg,var(--panel2),var(--panel));
  border:1px solid var(--line);border-radius:24px;padding:38px 34px;box-shadow:var(--sh)}
.price-card__label{color:var(--muted);font-size:1rem;font-weight:600}
.price-card__amount{font-size:3.4rem;font-weight:800;letter-spacing:-.03em;margin:6px 0 22px}
.price-card__list{list-style:none;margin-bottom:28px}
.price-card__list li{padding:11px 0 11px 30px;position:relative;color:var(--txt);border-bottom:1px solid var(--line)}
.price-card__list li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}
.price-card__note{text-align:center;color:var(--muted);font-size:.86rem;margin-top:14px}

/* faq */
.faq{max-width:760px;margin:46px auto 0}
.faq__item{background:var(--panel);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;padding:4px 22px}
.faq__item summary{cursor:pointer;font-weight:700;font-size:1.08rem;padding:18px 0;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{content:"+";color:var(--acc);font-size:1.5rem;font-weight:400;transition:transform .2s}
.faq__item[open] summary::after{transform:rotate(45deg)}
.faq__item p{color:var(--muted);padding:0 0 20px;font-size:1rem}

/* final */
.section--final .lead{margin-bottom:34px}

/* footer */
.footer{background:var(--bg2);border-top:1px solid var(--line);padding:34px 0;color:var(--muted);font-size:.88rem}
.footer__inner{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer__col{display:flex;flex-direction:column;gap:7px;max-width:560px}
.footer__col--right{align-items:flex-end;text-align:right}
.footer__legal{opacity:.85}
.footer__links a{color:var(--acc);opacity:.9}
.footer__links a:hover{opacity:1;text-decoration:underline}
.footer__disc{opacity:.7;max-width:520px}

/* ===== DOC (оферта / согласие ПДн) ===== */
.doc{max-width:860px;margin:0 auto;padding:48px 22px 80px}
.doc__back{display:inline-block;margin-bottom:26px;color:var(--acc);font-weight:600}
.doc__back:hover{text-decoration:underline}
.doc h1{font-size:1.7rem;font-weight:800;line-height:1.2;margin-bottom:8px}
.doc__meta{color:var(--muted);font-size:.9rem;margin-bottom:30px}
.doc h2{font-size:1.18rem;font-weight:700;margin:30px 0 12px;padding-top:18px;border-top:1px solid var(--line)}
.doc h3{font-size:1rem;font-weight:700;margin:18px 0 8px}
.doc p,.doc li{color:#d6deee;margin-bottom:10px;line-height:1.62}
.doc ul,.doc ol{padding-left:22px;margin-bottom:10px}
.doc li{margin-bottom:6px}
.doc a{color:var(--acc)}
.doc a:hover{text-decoration:underline}
.doc__note{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:18px 0;color:var(--muted);font-size:.92rem}
.doc strong{color:var(--txt)}

/* ===== RESPONSIVE ===== */
@media (max-width:860px){
  .cards,.steps{grid-template-columns:1fr}
  .section{padding:64px 0}
  .hero__inner{padding-top:24px}
  .hero-switch{font-size:.76rem;flex-wrap:wrap;justify-content:center;max-width:calc(100% - 24px)}
}
@media (max-width:560px){
  .inside-grid{grid-template-columns:1fr;gap:0}
  .footer__inner{flex-direction:column}
  .footer__col--right{align-items:flex-start;text-align:left}
  .hero__actions{gap:14px}
  .btn{width:100%;justify-content:center}
  .hero__price{text-align:center;width:100%}
}

/* reduced motion: гасим всё лишнее */
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto !important;transition:none !important}
}

/* cookie-баннер */
.cookie-bar{position:fixed;left:16px;right:16px;bottom:16px;z-index:9999;display:flex;gap:14px;align-items:center;justify-content:center;flex-wrap:wrap;max-width:760px;margin:0 auto;padding:14px 18px;background:rgba(16,21,38,.96);border:1px solid rgba(91,140,255,.35);border-radius:14px;box-shadow:0 10px 40px rgba(0,0,0,.45);backdrop-filter:blur(8px)}
.cookie-bar__text{font-size:13px;line-height:1.5;color:#c7cfe2;flex:1 1 320px}
.cookie-bar__text a{color:#5b8cff}
.cookie-bar__btn{flex:0 0 auto;padding:10px 22px;border:0;border-radius:10px;background:#5b8cff;color:#fff;font-weight:600;font-size:14px;cursor:pointer}
.cookie-bar__btn:hover{background:#4778ee}