:root{
  --navy:#0B1B4D;--blue:#0A6EE8;--cyan:#17B3F3;--teal:#1ED3B3;
  --bg:#F4F8FF;--card:#fff;--muted:#5F6F94;--line:#E2EAF8;--danger:#D6334A;
  --grad:linear-gradient(135deg,#0A6EE8 0%,#17B3F3 55%,#1ED3B3 100%);
  --shadow:0 10px 40px rgba(11,27,77,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--navy);background:#fff;line-height:1.55}
a{color:var(--blue);text-decoration:none}
img{max-width:100%}
.container{max-width:1120px;margin:0 auto;padding:0 20px}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:68px}
.site-header img{height:36px;display:block}
.nav{display:flex;align-items:center;gap:26px}
.nav a{color:var(--navy);font-weight:500;font-size:15px}
.nav a:hover{color:var(--blue)}
.btn{display:inline-block;border:0;cursor:pointer;font:inherit;font-weight:700;padding:13px 26px;border-radius:12px;background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(10,110,232,.28);transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(10,110,232,.34);color:#fff}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{display:block;width:100%;text-align:center}
.btn-ghost{background:#fff;color:var(--blue);box-shadow:inset 0 0 0 2px var(--blue)}
.btn-ghost:hover{color:var(--blue);box-shadow:inset 0 0 0 2px var(--blue)}

/* hero */
.hero{background:radial-gradient(1000px 500px at 85% -10%,rgba(23,179,243,.18),transparent 60%),radial-gradient(800px 400px at -10% 30%,rgba(30,211,179,.14),transparent 60%),var(--bg);padding:64px 0 72px}
.hero .container{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;background:#fff;border:1px solid var(--line);color:var(--blue);font-weight:600;font-size:13px;padding:6px 14px;border-radius:99px;margin-bottom:18px}
h1{font-size:clamp(30px,4.2vw,50px);line-height:1.12;margin:0 0 18px;letter-spacing:-.02em}
h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:19px;color:var(--muted);margin:0 0 24px;max-width:560px}
.checks{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.checks li{padding-left:30px;position:relative;font-weight:500}
.checks li:before{content:"";position:absolute;left:0;top:3px;width:20px;height:20px;border-radius:50%;background:var(--grad)}
.checks li:after{content:"";position:absolute;left:7px;top:7px;width:5px;height:9px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}

/* signup card */
.signup{background:var(--card);border-radius:22px;padding:30px;box-shadow:var(--shadow);border:1px solid var(--line)}
.signup h2{margin:0 0 4px;font-size:22px}
.signup .sub{margin:0 0 18px;color:var(--muted);font-size:14px}
.field{margin-bottom:13px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:5px}
.field input[type=text],.field input[type=email],.field input[type=password]{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font:inherit;background:#fff;color:var(--navy)}
.field input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(10,110,232,.15)}
.field .err{color:var(--danger);font-size:13px;margin-top:4px}
.field.has-err input{border-color:var(--danger)}
.consent{display:flex;gap:9px;align-items:flex-start;font-size:13px;color:var(--muted);margin:4px 0 16px}
.consent input{margin-top:3px}
.note{text-align:center;color:var(--muted);font-size:13px;margin:12px 0 0}

/* sections */
section{padding:72px 0}
.section-head{text-align:center;max-width:680px;margin:0 auto 40px}
.section-head h2{font-size:clamp(26px,3.2vw,36px);margin:0 0 10px;letter-spacing:-.01em}
.section-head p{color:var(--muted);margin:0;font-size:17px}
.alt{background:var(--bg)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px}
.step .n{width:42px;height:42px;border-radius:12px;background:var(--grad);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.step h3{margin:0 0 6px;font-size:18px}
.step p{margin:0;color:var(--muted)}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.feat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;font-weight:600}
.feat span{display:block;font-weight:400;color:var(--muted);font-size:14px;margin-top:4px}

/* pricing */
.price-main{max-width:760px;margin:0 auto 28px;display:grid;grid-template-columns:1fr 1fr;gap:20px}
.pcard{border-radius:20px;padding:28px;border:1px solid var(--line);background:#fff;text-align:center}
.pcard.hot{background:var(--navy);color:#fff;border:0;box-shadow:var(--shadow)}
.pcard .amount{font-size:42px;font-weight:800;margin:6px 0}
.pcard small{color:var(--muted)}
.pcard.hot small{color:#B7C4EA}
.packs{max-width:760px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.pack{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;text-align:center}
.pack b{display:block;font-size:20px}
.pack span{color:var(--muted);font-size:14px}
.packs-title{text-align:center;color:var(--muted);margin:0 0 14px}

/* faq */
.faq{max-width:760px;margin:0 auto}
details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin-bottom:10px}
summary{cursor:pointer;font-weight:600}
details p{margin:10px 0 0;color:var(--muted)}

.cta{background:var(--navy);color:#fff;text-align:center;border-radius:26px;padding:48px 24px;margin:0 20px}
.cta h2{margin:0 0 10px;font-size:clamp(24px,3vw,34px)}
.cta p{color:#B7C4EA;margin:0 0 22px}

.site-footer{padding:36px 0;color:var(--muted);font-size:14px}
.site-footer .container{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* auth pages */
.auth-wrap{min-height:calc(100vh - 68px);background:var(--bg);display:flex;align-items:center;justify-content:center;padding:32px 16px}
.auth-card{background:#fff;border-radius:22px;padding:34px;box-shadow:var(--shadow);width:100%;max-width:430px;border:1px solid var(--line)}
.auth-card h1{font-size:26px;margin:0 0 8px}
.auth-card p{color:var(--muted);margin:0 0 18px}
.code-input{width:100%;text-align:center;font-size:32px;letter-spacing:12px;font-weight:700;padding:14px;border:1.5px solid var(--line);border-radius:12px;color:var(--navy)}
.code-input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(10,110,232,.15)}
.alert{padding:11px 14px;border-radius:10px;font-size:14px;margin-bottom:14px}
.alert.err{background:#FDECEF;color:var(--danger)}
.alert.ok{background:#E6FAF5;color:#0F7D69}
.linkbtn{background:none;border:0;color:var(--blue);cursor:pointer;font:inherit;padding:0}

@media (max-width:900px){
  .hero .container{grid-template-columns:1fr}
  .steps,.grid4,.packs{grid-template-columns:1fr 1fr}
  .price-main{grid-template-columns:1fr}
  .nav a.hide-m{display:none}
}
@media (max-width:560px){
  .steps,.grid4,.packs{grid-template-columns:1fr}
  .hero{padding:36px 0 48px}
  section{padding:48px 0}
  .signup{padding:22px}
}

@media (max-width:560px){
  .site-header .container{height:60px}
  .site-header img{height:28px}
  .nav{gap:12px}
  .nav a{font-size:14px}
  .btn-sm{white-space:nowrap;padding:8px 12px;font-size:13px}
}

/* ---- формы: подсказки, ошибки, пароль ---- */
.input-wrap{position:relative}
.field select{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font:inherit;background:#fff;color:var(--navy)}
.field input[type=tel]{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font:inherit;background:#fff;color:var(--navy)}
.field input:focus,.field select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(10,110,232,.15)}
.field input[type=password],.field input[type=text].pw{padding-right:84px}
.field .msg{min-height:18px;margin-top:4px;font-size:12.5px;line-height:1.35}
.field .hint{color:var(--muted)}
.field .err{color:var(--danger);font-weight:500}
.field.has-err input,.field.has-err select{border-color:var(--danger);box-shadow:0 0 0 3px rgba(214,51,74,.10)}
.field.is-ok input{border-color:#22B58E}
.pw-toggle{position:absolute;right:6px;top:50%;transform:translateY(-50%);background:none;border:0;color:var(--blue);font:inherit;font-size:13px;font-weight:600;cursor:pointer;padding:6px 8px;border-radius:8px}
.pw-toggle:hover{background:var(--bg)}
.meter{display:flex;align-items:center;gap:5px;margin-top:7px}
.meter i{flex:0 0 22%;height:5px;border-radius:3px;background:var(--line);transition:background .2s}
.meter-label{font-size:12px;color:var(--muted);margin-left:6px;min-width:64px}
.meter[data-level="1"] i:nth-child(-n+1){background:#E5484D}
.meter[data-level="2"] i:nth-child(-n+2){background:#F5A524}
.meter[data-level="3"] i:nth-child(-n+3){background:#17B3F3}
.meter[data-level="4"] i{background:#22B58E}
.btn:disabled{opacity:.7;cursor:wait;transform:none}
.consent{display:flex;gap:9px;align-items:flex-start;font-size:13px;color:var(--muted);margin:2px 0 0}
.field[data-field=consent]{margin-bottom:10px}
.signup{max-height:none}

/* ---- документы, подвал, cookie ---- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:40px 0 24px;color:var(--muted);font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:32px}
.site-footer strong{color:var(--navy);display:block;margin-bottom:8px}
.foot-links{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.foot-links a{color:var(--muted)}.foot-links a:hover{color:var(--blue)}
.foot-note{margin:8px 0 0;font-size:13px;line-height:1.5}
.foot-copy{margin-top:26px;padding-top:16px;border-top:1px solid var(--line);font-size:13px}
@media (max-width:800px){.foot-grid{grid-template-columns:1fr}}

.doc{background:var(--bg);padding:40px 0 64px}
.container.narrow{max-width:820px}
.doc h1{font-size:clamp(26px,3.4vw,36px);margin:0 0 6px}
.doc-date{color:var(--muted);margin:0 0 22px}
.doc-body{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px 34px;line-height:1.7}
.doc-body h2{font-size:19px;margin:28px 0 10px}.doc-body h2:first-child{margin-top:0}
.doc-body p,.doc-body li{color:#26345F}
.doc-body ul,.doc-body ol{padding-left:22px}
.doc-body table{width:100%;border-collapse:collapse;margin:12px 0}
.doc-body th,.doc-body td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
.doc-body th{background:var(--bg)}
mark.ph{background:#FFF3DB;color:#8A5300;padding:1px 5px;border-radius:5px}
@media (max-width:560px){.doc-body{padding:20px 16px}}

.cookie{position:fixed;left:16px;right:16px;bottom:16px;z-index:50;max-width:620px;margin:0 auto;background:var(--navy);color:#E6EEFF;border-radius:14px;padding:14px 18px;display:flex;gap:16px;align-items:center;box-shadow:0 12px 40px rgba(11,27,77,.35)}
.cookie[hidden]{display:none}
.cookie p{margin:0;font-size:13.5px;line-height:1.45}.cookie a{color:#7CC4FF}
.cookie button{flex:none;background:#fff;color:var(--navy);border:0;border-radius:10px;padding:9px 18px;font:inherit;font-weight:700;cursor:pointer}
@media (max-width:480px){.cookie{flex-direction:column;align-items:stretch;text-align:center}}