/* ============================================================
   SAIL — фирменные стили
   Цвета, размеры и отступы взяты из брифа без изменений
   ============================================================ */

:root{
  --bg-main:#050817;
  --bg-secondary:#080D21;
  --surface:#0C1229;
  --surface-hover:#111A3A;
  --border:#26304D;
  --text-main:#F7F8FF;
  --text-secondary:#B7BDD2;
  --text-muted:#858CA6;
  --pink:#FF3FA4;
  --purple:#A347FF;
  --violet:#655CFF;
  --blue:#287CFF;
  --cyan:#18C8FF;
  --gradient-ai:linear-gradient(110deg,#FF3FA4 0%,#A347FF 45%,#287CFF 100%);
  --shadow-pink:0 0 32px rgba(255,63,164,.26);
  --shadow-blue:0 0 32px rgba(40,124,255,.22);

  --display:"Manrope",Arial,sans-serif;
  --body:"Golos Text",Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;

  --gap-sec:112px;
  --maxw:1200px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;background:var(--bg-main);color:var(--text-main);
  font-family:var(--body);font-size:18px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg{max-width:100%}
img{display:block;height:auto}
a{color:var(--blue);text-decoration:none}
:focus-visible{outline:2px solid var(--purple);outline-offset:3px;border-radius:8px}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
@media(max-width:1024px){.wrap{padding:0 24px}}
@media(max-width:768px){.wrap{padding:0 20px}}

/* ---------- типографика ---------- */
h1,h2,h3,h4{font-family:var(--display);font-weight:700;margin:0;color:var(--text-main)}
.hh1{font-size:64px;line-height:1.05;letter-spacing:-.03em;margin-bottom:22px}
.hh2{font-size:42px;line-height:1.15;letter-spacing:-.02em;margin-bottom:40px;text-align:center}
.ct{font-size:24px;line-height:1.25;font-family:var(--display);font-weight:700;margin-bottom:10px}
p{margin:0 0 1em}
.lede{font-size:18px;line-height:1.6;color:var(--text-secondary);max-width:560px}
.cap{font-size:14px;line-height:1.45;color:var(--text-muted)}

@media(max-width:768px){
  body{font-size:16px}
  .hh1{font-size:40px}
  .hh2{font-size:30px;margin-bottom:30px}
  .ct{font-size:21px}
  .lede{font-size:16px}
}

.gr{background:var(--gradient-ai);-webkit-background-clip:text;background-clip:text;color:transparent}

.eb{font-size:14px;font-weight:600;letter-spacing:.04em;margin-bottom:18px;display:inline-block;
  background:var(--gradient-ai);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- секции ---------- */
.sec{padding:calc(var(--gap-sec) / 2) 0}
.pad-s{padding:44px 0}
.pad-l{padding:72px 0 calc(var(--gap-sec) / 2)}
.bg-g{background:var(--bg-secondary)}
@media(max-width:768px){
  .sec{padding:36px 0}
  .pad-l{padding:44px 0 36px}
  .pad-s{padding:28px 0}
}

.glow{position:relative}
.glow::before{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(720px 420px at 82% 22%,rgba(163,71,255,.20),transparent 66%),
             radial-gradient(520px 320px at 6% 8%,rgba(255,63,164,.11),transparent 62%);
}
.sec>.wrap{position:relative;z-index:1}

/* ---------- кнопки ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--body);font-weight:600;font-size:16px;height:52px;padding:0 26px;
  border-radius:12px;border:1px solid transparent;cursor:pointer;
  transition:filter 180ms ease,border-color 180ms ease,transform 180ms ease;
}
.btn-p{background:var(--gradient-ai);color:var(--text-main);box-shadow:var(--shadow-pink)}
.btn-p:hover{filter:brightness(1.08)}
.btn-g{background:transparent;border-color:var(--border);color:var(--text-main)}
.btn-g:hover{border-color:var(--purple)}
.btn-s{height:48px;padding:0 22px;font-size:15px}
.btn .ico{flex:0 0 auto}
.wide{width:100%}

/* ---------- шапка ---------- */
.hd{
  position:sticky;top:0;z-index:1000;height:80px;display:flex;align-items:center;
  background:transparent;border-bottom:1px solid transparent;
  transition:background 180ms ease,border-color 180ms ease;
}
.hd.stuck{
  background:rgba(5,8,23,.86);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border-bottom-color:rgba(38,48,77,.65);
}
.hdin{display:flex;align-items:center;gap:26px;width:100%}
.logo{display:inline-flex;align-items:center;flex:0 0 auto}
.logo-img{display:block;width:132px;height:auto}
@media(max-width:1024px){.logo-img{width:120px}}
@media(max-width:768px){.logo-img{width:112px}}
.nav{display:flex;gap:28px;margin-left:auto;align-items:center}
.nav a{color:var(--text-secondary);font-size:16px;font-weight:500}
.nav a:hover{color:var(--text-main)}
.nav .btn{color:var(--text-main)}
.burger{display:none;margin-left:auto;background:none;border:0;padding:8px;cursor:pointer}
.burger span{display:block;width:24px;height:2px;background:var(--text-main);margin:5px 0;border-radius:2px;transition:180ms}
@media(max-width:960px){
  .nav{display:none;position:absolute;top:80px;left:0;right:0;background:var(--bg-secondary);
    flex-direction:column;align-items:stretch;gap:0;padding:10px 20px 22px;border-bottom:1px solid var(--border)}
  .nav.open{display:flex}
  .nav a{padding:14px 0;font-size:17px}
  .nav .btn{margin-top:10px}
  .burger{display:block}
}

/* ---------- первый экран ---------- */
.herog{display:grid;grid-template-columns:minmax(0,1fr) 560px;gap:64px;align-items:center}
.herov{width:100%;max-width:560px;justify-self:end}
@media(max-width:1100px){.herog{grid-template-columns:minmax(0,1fr) 460px;gap:44px}}
@media(max-width:960px){
  .herog{grid-template-columns:1fr}
  .herov{max-width:100%;margin-top:40px;justify-self:stretch}
}
.heroa{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-top:32px}

/* ---------- статистика ---------- */
.numspanel{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:26px 8px}
.nums{display:grid;grid-template-columns:repeat(3,1fr)}
.numc{display:flex;gap:18px;align-items:center;padding:6px 28px;border-right:1px solid var(--border)}
.numc:last-child{border-right:0}
@media(max-width:900px){
  .numspanel{padding:8px 0}
  .nums{grid-template-columns:1fr}
  .numc{border-right:0;border-bottom:1px solid var(--border);padding:20px 24px}
  .numc:last-child{border-bottom:0}
}
.numc .ico{flex:0 0 auto;width:36px;height:36px}
.numc:nth-child(1) .ico{color:var(--pink)}
.numc:nth-child(2) .ico{color:var(--purple)}
.numc:nth-child(3) .ico{color:var(--blue)}
.num{font-family:var(--display);font-weight:700;font-size:28px;line-height:1.1;letter-spacing:-.02em}
.numl{font-size:14px;line-height:1.45;color:var(--text-secondary);margin-top:4px}

/* ---------- сетки ---------- */
.grid{display:grid;gap:16px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
@media(max-width:1024px){.g3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.g3,.g2{grid-template-columns:1fr}}

/* карточка услуги */
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:28px;min-height:220px;
  display:flex;gap:18px;align-items:flex-start;
  transition:background 180ms ease,border-color 180ms ease,transform 180ms ease;
}
.card:hover{background:var(--surface-hover);border-color:rgba(163,71,255,.55);transform:translateY(-3px)}
.icobox{
  flex:0 0 auto;width:56px;height:56px;border-radius:14px;
  border:1px solid var(--border);display:grid;place-items:center;background:rgba(255,255,255,.02);
}
.card .ico{width:32px;height:32px;display:block}
.cardtx{min-width:0}
.card:nth-child(1) .ico,.card:nth-child(5) .ico{color:var(--pink)}
.card:nth-child(2) .ico{color:var(--purple)}
.card:nth-child(3) .ico{color:var(--violet)}
.card:nth-child(4) .ico,.card:nth-child(6) .ico{color:var(--blue)}
.card:nth-child(1) .icobox{border-color:rgba(255,63,164,.4)}
.card:nth-child(2) .icobox{border-color:rgba(163,71,255,.4)}
.card:nth-child(3) .icobox{border-color:rgba(101,92,255,.4)}
.card:nth-child(4) .icobox,.card:nth-child(6) .icobox{border-color:rgba(40,124,255,.4)}
.card:nth-child(5) .icobox{border-color:rgba(255,63,164,.4)}
.cd{font-size:16px;line-height:1.55;color:var(--text-secondary);margin:0}

/* ---------- как работает SAIL ---------- */
.sysimg{display:block;width:100%;max-width:1200px;margin:0 auto;border-radius:24px}
.syscards{display:none;gap:12px}
.syscard{
  background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:22px 24px;position:relative;
}
.syscard .k{font-family:var(--mono);font-size:13px;letter-spacing:.08em;margin-bottom:8px;display:block}
.syscard:nth-child(1) .k{color:var(--pink)}
.syscard:nth-child(2) .k{color:var(--purple)}
.syscard:nth-child(3) .k{color:var(--blue)}
.syscard:nth-child(4) .k{color:var(--cyan)}
.syscard .t{font-family:var(--display);font-weight:700;font-size:21px;margin-bottom:6px}
.syscard .d{font-size:15px;color:var(--text-secondary);line-height:1.5}
.syscard::after{
  content:"";position:absolute;left:50%;bottom:-13px;width:2px;height:12px;background:var(--gradient-ai);
}
.syscard:last-child::after{display:none}
@media(max-width:860px){
  .sysimg{display:none}
  .syscards{display:grid}
}

/* ---------- этапы ---------- */
.stepimg{display:none}
.stepline{position:relative;height:58px;margin-bottom:16px}
.stepline .ln{position:absolute;left:8%;right:1%;top:28px;height:2px;background:var(--gradient-ai)}
.stepline .ln::after{content:"";position:absolute;right:-2px;top:-6px;
  border-left:12px solid var(--blue);border-top:7px solid transparent;border-bottom:7px solid transparent}
.stepline .dots{position:relative;display:grid;height:58px}
.stepline .dot{display:grid;place-items:center}
.stepline .dot i{width:54px;height:54px;border-radius:50%;border:1.5px solid var(--purple);
  background:var(--bg-main);display:grid;place-items:center;font-style:normal;
  box-shadow:0 0 20px -4px rgba(163,71,255,.9)}
.stepline .dot:nth-child(1) i{border-color:var(--pink);color:var(--pink)}
.stepline .dot:nth-child(2) i{border-color:var(--purple);color:var(--purple)}
.stepline .dot:nth-child(3) i{border-color:var(--violet);color:var(--violet)}
.stepline .dot:nth-child(4) i{border-color:var(--blue);color:var(--blue)}
.stepline .dot:nth-child(5) i{border-color:var(--cyan);color:var(--cyan)}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.step{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:24px 20px;text-align:center}
.step .ico{display:none}
.step:nth-child(1) .ico{color:var(--pink)}
.step:nth-child(2) .ico{color:var(--purple)}
.step:nth-child(3) .ico{color:var(--violet)}
.step:nth-child(4) .ico{color:var(--blue)}
.step:nth-child(5) .ico{color:var(--cyan)}
.stepn{font-family:var(--mono);font-size:13px;margin-bottom:8px;
  background:var(--gradient-ai);-webkit-background-clip:text;background-clip:text;color:transparent}
.step .ct{font-size:20px;margin-bottom:8px}
.step .cd{font-size:15px}
@media(max-width:1024px){.steps{grid-template-columns:repeat(2,1fr)!important}.stepline{display:none}}
@media(max-width:860px){
  .stepline{display:none}
  .steps{grid-template-columns:1fr!important;position:relative;padding-left:26px;text-align:left}
  .steps::before{content:"";position:absolute;left:7px;top:12px;bottom:12px;width:2px;background:var(--gradient-ai)}
  .step::before{content:"";position:absolute;left:2px;margin-top:10px;width:12px;height:12px;border-radius:50%;
    background:var(--bg-main);border:2px solid var(--purple)}
  .step{position:relative}
}

/* ---------- тарифы ---------- */
.price{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:28px;display:flex;flex-direction:column}
.pv{font-family:var(--display);font-weight:700;font-size:28px;margin:12px 0 2px}
.pp{font-family:var(--mono);font-size:13px;color:var(--text-muted);margin-bottom:20px}
.price ul{list-style:none;margin:0 0 26px;padding:0;font-size:16px;color:var(--text-secondary)}
.price li{padding:9px 0 9px 22px;position:relative;border-bottom:1px solid var(--border)}
.price li:last-child{border-bottom:0}
.price li::before{content:"+";position:absolute;left:0;color:var(--pink);font-weight:700}
.price .btn{margin-top:auto}

/* ---------- отзывы ---------- */
.rw{font-weight:600;font-size:16px;margin-top:16px}
.rr{font-size:14px;color:var(--text-muted)}

/* ---------- вопросы ---------- */
.faq{max-width:960px;margin:0 auto;display:grid;gap:12px}
.qa{background:var(--surface);border:1px solid var(--border);border-radius:14px}
.qa summary{
  list-style:none;cursor:pointer;padding:22px 60px 22px 24px;position:relative;
  font-size:18px;font-weight:600;line-height:1.4;
}
.qa summary::-webkit-details-marker{display:none}
.qa .sg{position:absolute;right:24px;top:22px;width:22px;height:22px;color:var(--text-muted)}
.qa .sg .minus{display:none}
.qa[open]{border-color:rgba(163,71,255,.55)}
.qa[open] .sg{color:var(--purple)}
.qa[open] .sg .plus{display:none}
.qa[open] .sg .minus{display:block}
.ans{padding:0 24px 22px;color:var(--text-secondary);font-size:16px;line-height:1.6}
@media(max-width:768px){.qa summary{font-size:16px;padding:20px 54px 20px 20px}.ans{padding:0 20px 20px}}

/* ---------- текст ---------- */
.rich{max-width:800px}
.rich p{font-size:18px;line-height:1.7;color:var(--text-secondary)}
.rich h2{font-size:32px;margin:40px 0 14px;text-align:left}
.rich h3{font-size:24px;margin:28px 0 10px}
.rich ul,.rich ol{padding-left:24px;color:var(--text-secondary)}
.rich li{margin-bottom:9px}
.rich a{color:var(--pink)}
.rich blockquote{margin:28px 0;padding:22px 26px;background:var(--surface);border:1px solid var(--border);border-radius:16px;color:var(--text-main)}
.rich table{width:100%;border-collapse:collapse;margin:26px 0}
.rich th,.rich td{border:1px solid var(--border);padding:12px 15px;text-align:left}
.rich th{background:var(--surface);font-weight:600}

/* ---------- баннер ---------- */
.bnr{
  display:flex;gap:26px;align-items:center;justify-content:space-between;flex-wrap:wrap;
  background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:32px 34px;
}
.bnh{font-family:var(--display);font-weight:700;font-size:24px;margin-bottom:7px}
.bns{color:var(--text-secondary);font-size:16px}

/* ---------- форма ---------- */
.ctabox{
  background:var(--surface);border:1px solid rgba(163,71,255,.55);border-radius:24px;padding:40px;
  box-shadow:var(--shadow-blue);
}
.ctag{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.ctag .hh2{text-align:left;font-size:36px;margin-bottom:18px}
@media(max-width:900px){
  .ctag{grid-template-columns:1fr;gap:30px}
  .ctabox{padding:26px}
  .ctag .hh2{font-size:28px}
}
.fld{margin-bottom:12px}
.fld label{display:block;font-size:14px;font-weight:500;color:var(--text-muted);margin-bottom:6px}
.fld input,.fld textarea{
  width:100%;background:var(--bg-secondary);border:1px solid var(--border);color:var(--text-main);
  border-radius:12px;font-family:var(--body);font-size:16px;
}
.fld input{height:50px;padding:0 16px}
.fld textarea{padding:14px 16px;min-height:96px;resize:vertical;line-height:1.5}
.fld input::placeholder,.fld textarea::placeholder{color:var(--text-muted)}
.fld input:focus,.fld textarea:focus{border-color:var(--purple);outline:none;box-shadow:0 0 0 3px rgba(163,71,255,.16)}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:560px){.f2{grid-template-columns:1fr}}
.consent{font-size:13px;color:var(--text-muted);margin:14px 0 0;text-align:center;line-height:1.45}
.sent{text-align:center;padding:40px 10px;color:var(--text-secondary)}
.sent b{font-family:var(--display);font-size:22px;color:var(--text-main);display:block;margin-bottom:8px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

.clist{list-style:none;padding:0;margin:26px 0 0}
.clist li{display:flex;align-items:center;gap:12px;padding:9px 0;font-size:16px;color:var(--text-secondary)}
.clist .ico{width:22px;height:22px;flex:0 0 auto}
.clist li:nth-child(1) .ico{color:var(--pink)}
.clist li:nth-child(2) .ico{color:var(--purple)}
.clist li:nth-child(3) .ico{color:var(--blue)}
.clist .k{color:var(--text-muted)}
.clist .v{color:var(--text-main)}
.clist .v a{color:var(--pink)}

/* ---------- подвал ---------- */
.ft{background:var(--bg-secondary);border-top:1px solid var(--border);padding:56px 0 28px}
.ftg{display:grid;grid-template-columns:1.6fr 1fr 1.2fr;gap:40px;margin-bottom:36px}
@media(max-width:860px){.ftg{grid-template-columns:1fr}}
.ftlogo .logo-img{width:150px;margin-bottom:14px}
.ftd{font-size:15px;color:var(--text-muted);line-height:1.55;max-width:360px;margin:0}
.ft h4{font-size:14px;color:var(--text-muted);margin-bottom:14px;font-weight:500;font-family:var(--body)}
.ft ul{list-style:none;padding:0;margin:0}
.ft li{padding:6px 0}
.ft a{color:var(--text-secondary);font-size:16px}
.ft a:hover{color:var(--text-main)}
.ftmail{display:flex;align-items:center;gap:10px;color:var(--text-main)}
.ftmail .ico{width:22px;height:22px;color:var(--pink);flex:0 0 auto}
.soc{display:flex;gap:12px;margin-top:20px}
.soc a{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  background:var(--gradient-ai);box-shadow:var(--shadow-pink);color:var(--text-main)}
.soc a:hover{filter:brightness(1.08)}
.soc .ico{width:20px;height:20px}
.ftb{border-top:1px solid var(--border);padding-top:22px;font-size:14px;color:var(--text-muted);text-align:center}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}