:root{
  --bg:#0b1020; --bg2:#0f162e; --card:#141c38; --card2:#18223f;
  --line:#243154; --text:#e8edff; --muted:#93a0c4;
  --brand:#6366f1; --brand2:#5eead4; --ok:#34d399; --err:#f87171;
  --radius:16px; --maxw:1120px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:radial-gradient(1200px 600px at 80% -10%, #1b2550 0%, transparent 60%), var(--bg);
  color:var(--text); line-height:1.55; -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.container--narrow{max-width:760px}
.container--xnarrow{max-width:460px}
.muted{color:var(--muted)}
.main{min-height:60vh}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:12px;padding:10px 18px;font-weight:600;
  font-size:15px;cursor:pointer;transition:.15s;white-space:nowrap}
.btn--primary{background:linear-gradient(135deg,var(--brand),#7c83ff);color:#fff}
.btn--primary:hover{filter:brightness(1.08)}
.btn--primary:disabled{opacity:.5;cursor:not-allowed;filter:none}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn--ghost:hover{background:var(--card2)}
.btn--lg{padding:13px 24px;font-size:16px}
.btn--block{width:100%}

/* Nav */
.nav{position:sticky;top:0;z-index:40;backdrop-filter:blur(10px);
  background:rgba(11,16,32,.72);border-bottom:1px solid var(--line)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px}
.brand__logo{display:flex}
.nav__links{display:flex;align-items:center;gap:18px}
.nav__links a{color:var(--muted);font-weight:500}
.nav__links a:hover{color:var(--text)}
.nav__links .btn{color:var(--text)}
.nav__lang{border:1px solid var(--line);border-radius:8px;padding:4px 9px;font-size:13px;font-weight:600}
.nav__logout{margin:0}
.nav__burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav__burger span{width:22px;height:2px;background:var(--text);border-radius:2px}

/* Hero */
.hero{padding:70px 0 40px}
.hero__inner{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.pill{display:inline-block;background:var(--card2);border:1px solid var(--line);
  color:var(--brand2);font-size:13px;font-weight:600;padding:5px 12px;border-radius:999px;margin-bottom:16px}
.hero__title{font-size:48px;line-height:1.08;font-weight:800;margin:0 0 16px;
  background:linear-gradient(120deg,#fff 20%,#aab6ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__sub{font-size:18px;color:var(--muted);max-width:560px;margin:0 0 26px}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap}
.hero__art{display:flex;justify-content:center}
.globe{width:300px;height:300px;border-radius:50%;
  background:
    radial-gradient(60px 60px at 35% 30%, rgba(94,234,212,.5), transparent 60%),
    conic-gradient(from 210deg, #6366f1, #5eead4, #6366f1);
  box-shadow:0 30px 80px rgba(99,102,241,.35), inset 0 0 60px rgba(0,0,0,.4);
  position:relative;animation:spin 18s linear infinite}
.globe::after{content:"";position:absolute;inset:14px;border-radius:50%;
  background:repeating-linear-gradient(0deg,transparent 0 22px,rgba(255,255,255,.06) 22px 23px),
            repeating-linear-gradient(90deg,transparent 0 22px,rgba(255,255,255,.06) 22px 23px);
  -webkit-mask:radial-gradient(circle at center, #000 60%, transparent 72%)}
@keyframes spin{to{transform:rotate(360deg)}}

/* Sections */
.section{padding:56px 0}
.section__title{font-size:34px;font-weight:800;margin:0 0 10px}
.section__sub{color:var(--muted);margin:0 0 28px;font-size:17px}
.features{padding:30px 0 10px}

/* Grid + cards */
.grid{display:grid;gap:18px}
.grid--4{grid-template-columns:repeat(4,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.card{background:linear-gradient(180deg,var(--card),var(--card2));
  border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card__title{margin:0 0 8px;font-size:18px}
.card__text{margin:0;color:var(--muted)}

/* CTA band */
.cta-band{margin:40px 0 10px}
.cta-band__inner{background:linear-gradient(135deg,rgba(99,102,241,.2),rgba(94,234,212,.12));
  border:1px solid var(--line);border-radius:24px;padding:40px;text-align:center;display:grid;gap:18px;justify-items:center}
.cta-band h2{margin:0;font-size:28px}

/* Plans */
.plans{margin-top:10px}
.plan{display:flex;flex-direction:column;gap:14px;text-align:center}
.plan--featured{border-color:var(--brand);box-shadow:0 20px 50px rgba(99,102,241,.25)}
.plan__name{font-size:20px;margin:0}
.plan__price{font-size:40px;font-weight:800}
.plan__cur{font-size:22px;vertical-align:super;color:var(--muted);margin-right:2px}
.plan__features{list-style:none;padding:0;margin:0;display:grid;gap:8px;color:var(--muted)}
.plan__features li::before{content:"✓";color:var(--ok);font-weight:700;margin-right:8px}
.plan__btn{margin-top:4px}
.plan__soon{font-size:13px}

/* FAQ */
.faq{display:grid;gap:12px}
.faq__item{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:4px 18px}
.faq__item summary{cursor:pointer;font-weight:600;padding:14px 0;list-style:none}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item[open] summary{color:var(--brand2)}
.faq__item p{margin:0 0 14px;color:var(--muted)}

/* Contacts */
.contacts__row{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* Auth */
.auth{padding:50px 0}
.auth__card{max-width:460px;margin:0 auto}
.auth__title{font-size:24px;margin:0 0 18px}
.auth__alt{margin:16px 0 0;text-align:center}
.auth__alt a{color:var(--brand2)}
.form{display:grid;gap:14px}
.field{display:grid;gap:6px}
.field span{font-size:14px;color:var(--muted)}
.field input{background:var(--bg2);border:1px solid var(--line);border-radius:10px;
  padding:11px 13px;color:var(--text);font-size:15px;outline:none}
.field input:focus{border-color:var(--brand)}
.alert{border-radius:10px;padding:11px 14px;margin-bottom:14px;font-size:14px}
.alert--err{background:rgba(248,113,113,.12);border:1px solid rgba(248,113,113,.4);color:#fecaca}

/* Account */
.acct{display:grid;grid-template-columns:240px 1fr;gap:24px;align-items:start}
.acct__side{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;position:sticky;top:84px}
.acct__user{display:flex;align-items:center;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:12px}
.acct__avatar{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-weight:700;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#06121a}
.acct__email{font-size:13px;word-break:break-all}
.acct__nav{display:grid;gap:4px}
.acct__nav a{padding:9px 12px;border-radius:10px;color:var(--muted);font-weight:500}
.acct__nav a:hover{background:var(--card2);color:var(--text)}
.acct__nav a.is-active{background:var(--brand);color:#fff}
.acct__title{font-size:26px;margin:0 0 18px}
.acct__sub{display:grid;gap:10px}
.acct__row{display:flex;justify-content:space-between;gap:12px;padding-top:4px}
.badge{display:inline-block;padding:4px 11px;border-radius:999px;font-size:13px;font-weight:600;width:max-content}
.badge--ok{background:rgba(52,211,153,.14);color:var(--ok)}
.badge--muted{background:var(--card2);color:var(--muted)}
.empty{text-align:center;display:grid;gap:12px;justify-items:center;padding:40px 22px}

/* Table */
.table{width:100%;border-collapse:collapse}
.table th,.table td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line)}
.table th{color:var(--muted);font-weight:600;font-size:13px}

/* Footer */
.footer{border-top:1px solid var(--line);margin-top:50px;padding:30px 0;background:var(--bg2)}
.footer__inner{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center}
.footer__brand{display:flex;flex-direction:column}
.footer__links{display:flex;gap:18px;flex-wrap:wrap}
.footer__links a{color:var(--muted)}
.footer__links a:hover{color:var(--text)}
.footer__copy{width:100%;font-size:13px;padding-top:10px;border-top:1px solid var(--line)}

/* Responsive */
@media(max-width:900px){
  .hero__inner{grid-template-columns:1fr}
  .hero__art{display:none}
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .grid--3{grid-template-columns:1fr}
  .acct{grid-template-columns:1fr}
  .acct__side{position:static}
}
@media(max-width:640px){
  .hero__title{font-size:36px}
  .nav__burger{display:flex}
  .nav__links{position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;
    gap:8px;background:var(--bg2);border-bottom:1px solid var(--line);padding:14px 20px;display:none}
  .nav__links.is-open{display:flex}
  .nav__links .nav__lang{width:max-content}
  .grid--4{grid-template-columns:1fr}
}