:root{
  --bg:#ffffff;
  --bg-soft:#f5f6f8;
  --bg-dark:#0e1116;
  --text:#12161c;
  --text-soft:#5a6472;
  --border:#e6e8ec;
  --brand:#5b3df5;
  --brand-dark:#4429d6;
  --accent:#00c26e;
  --accent-soft:#e5f8ef;
  --radius:14px;
  --shadow:0 6px 24px rgba(20,25,40,.08);
  --maxw:1120px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:72px 0}
h1,h2,h3{line-height:1.2;font-weight:700;letter-spacing:-.02em}
h1{font-size:clamp(2rem,5vw,3.3rem)}
h2{font-size:clamp(1.6rem,3.5vw,2.4rem)}
h3{font-size:1.2rem}
p{color:var(--text-soft)}
.lead{font-size:1.15rem;color:var(--text-soft);max-width:640px}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--brand);background:#efeaff;padding:6px 12px;border-radius:100px;margin-bottom:18px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:1.15rem;letter-spacing:-.03em}
.logo-mark{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--brand),var(--accent));display:grid;place-items:center;color:#fff;font-weight:800;font-size:.95rem}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{font-size:.94rem;color:var(--text-soft);font-weight:500}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-cta{display:flex;gap:12px;align-items:center}
.nav-toggle{display:none;background:none;border:0;font-size:1.5rem;cursor:pointer}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:.95rem;padding:12px 22px;border-radius:100px;border:1px solid transparent;cursor:pointer;transition:.15s;white-space:nowrap}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--text-soft)}
.btn-lg{padding:15px 30px;font-size:1.02rem}

/* hero */
.hero{padding-top:90px;padding-bottom:80px;background:radial-gradient(1000px 500px at 70% -10%,#efeaff 0%,transparent 60%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{margin-bottom:20px}
.hero .lead{margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-note{margin-top:16px;font-size:.88rem;color:var(--text-soft)}
.hero-card{background:var(--bg-dark);border-radius:20px;padding:22px;box-shadow:var(--shadow);color:#cdd3dc}
.hero-card .row{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid #1c2430;font-size:.9rem}
.hero-card .row:last-child{border:0}
.hero-card .dot{width:9px;height:9px;border-radius:50%;background:var(--accent);margin-top:7px;flex-shrink:0}

/* generic grid of cards */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:26px;transition:.15s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.card .ico{width:44px;height:44px;border-radius:12px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;font-size:1.3rem;margin-bottom:16px}
.card h3{margin-bottom:8px}
.card p{font-size:.94rem}

.section-head{text-align:center;max-width:660px;margin:0 auto 48px}
.section-head p{margin-top:12px}
.bg-soft{background:var(--bg-soft)}

/* steps */
.steps{counter-reset:step;display:grid;gap:22px;grid-template-columns:repeat(4,1fr)}
.step{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.step::before{counter-increment:step;content:counter(step);display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;font-weight:700;margin-bottom:14px}
.step h3{font-size:1.05rem;margin-bottom:6px}
.step p{font-size:.9rem}

/* feature detail rows */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:44px 0;border-bottom:1px solid var(--border)}
.feature-row:last-child{border:0}
.feature-row:nth-child(even) .feature-media{order:-1}
.feature-media{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);padding:28px;min-height:240px}
.feature-media ul{list-style:none;display:grid;gap:12px}
.feature-media li{display:flex;gap:10px;font-size:.92rem;color:var(--text)}
.feature-media li::before{content:'✓';color:var(--accent);font-weight:800}
.feature-row h2{font-size:1.6rem;margin-bottom:12px}
.tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);background:var(--accent-soft);padding:4px 10px;border-radius:100px;margin-bottom:12px}
.tag.soon{color:#a9791b;background:#fdf3df}

/* pricing */
.price-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;max-width:760px;margin:0 auto}
.plan{background:var(--bg);border:1px solid var(--border);border-radius:18px;padding:32px}
.plan.featured{border-color:var(--brand);box-shadow:0 12px 40px rgba(91,61,245,.16);position:relative}
.plan.featured::after{content:'Старт бесплатно';position:absolute;top:-13px;left:32px;background:var(--brand);color:#fff;font-size:.75rem;font-weight:700;padding:5px 12px;border-radius:100px}
.plan h3{font-size:1.15rem;margin-bottom:6px}
.plan .price{font-size:2.4rem;font-weight:800;letter-spacing:-.03em;margin:14px 0 4px}
.plan .price span{font-size:1rem;font-weight:500;color:var(--text-soft)}
.plan .price-sub{font-size:.88rem;color:var(--text-soft);min-height:40px}
.plan ul{list-style:none;margin:22px 0;display:grid;gap:11px}
.plan li{display:flex;gap:10px;font-size:.92rem}
.plan li::before{content:'✓';color:var(--accent);font-weight:800}
.plan .btn{width:100%}

.compare{max-width:820px;margin:48px auto 0;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.compare table{width:100%;border-collapse:collapse;font-size:.92rem}
.compare th,.compare td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--border)}
.compare th{background:var(--bg-soft);font-weight:600}
.compare td:last-child,.compare th:last-child{text-align:center;width:120px}
.compare tr:last-child td{border-bottom:0}

/* faq */
.faq-list{max-width:760px;margin:0 auto;display:grid;gap:12px}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);overflow:hidden}
.faq-item summary{cursor:pointer;padding:20px 24px;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';font-size:1.3rem;color:var(--brand);transition:.2s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 24px 22px;font-size:.94rem;color:var(--text-soft)}

/* cta band */
.cta-band{background:var(--bg-dark);color:#fff;border-radius:24px;padding:56px;text-align:center}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:#aab2bf;max-width:520px;margin:0 auto 26px}

/* contacts */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-info dl{display:grid;gap:18px}
.contact-info dt{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text-soft);font-weight:600}
.contact-info dd{font-size:1.05rem;font-weight:500}
.form-field{margin-bottom:16px}
.form-field label{display:block;font-size:.86rem;font-weight:600;margin-bottom:6px}
.form-field input,.form-field textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:10px;font:inherit;font-size:.95rem}
.form-field textarea{min-height:120px;resize:vertical}

/* footer */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--border);padding:56px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px}
.footer-grid h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text-soft);margin-bottom:14px}
.footer-grid a{display:block;font-size:.92rem;color:var(--text-soft);padding:5px 0}
.footer-grid a:hover{color:var(--text)}
.footer-bottom{border-top:1px solid var(--border);padding-top:24px;display:flex;justify-content:space-between;font-size:.85rem;color:var(--text-soft);flex-wrap:wrap;gap:10px}

.disclaimer{font-size:.8rem;color:var(--text-soft);max-width:var(--maxw);margin:24px auto 0;padding:0 24px}

/* docs */
.docs-wrap{display:grid;grid-template-columns:240px 1fr;gap:48px;align-items:start;padding:48px 0 72px}
.docs-nav{position:sticky;top:88px;font-size:.9rem;max-height:calc(100vh - 110px);overflow-y:auto}
.docs-nav strong{display:block;font-size:.75rem;text-transform:uppercase;letter-spacing:.07em;color:var(--text-soft);margin:18px 0 8px}
.docs-nav a{display:block;padding:5px 0;color:var(--text-soft)}
.docs-nav a:hover{color:var(--brand)}
.docs-body{max-width:760px;min-width:0}
.docs-body h2{scroll-margin-top:88px;margin:44px 0 14px;padding-top:8px}
.docs-body h2:first-of-type{margin-top:0}
.docs-body h3{margin:26px 0 8px}
.docs-body p,.docs-body li{color:var(--text-soft);font-size:.96rem}
.docs-body ul,.docs-body ol{margin:12px 0 12px 22px;display:grid;gap:7px}
.docs-body code{background:var(--bg-soft);border:1px solid var(--border);border-radius:6px;padding:1px 6px;font-size:.85em;color:var(--text)}
.docs-body pre{background:var(--bg-dark);color:#cdd3dc;border-radius:12px;padding:16px 18px;overflow-x:auto;font-size:.85rem;margin:14px 0}
.docs-body pre code{background:none;border:0;color:inherit;padding:0}
.docs-body table{width:100%;border-collapse:collapse;font-size:.9rem;margin:16px 0}
.docs-body th,.docs-body td{border:1px solid var(--border);padding:9px 12px;text-align:left}
.docs-body th{background:var(--bg-soft)}
.docs-body .note{background:var(--accent-soft);border:1px solid #bfe9d4;border-radius:12px;padding:14px 16px;font-size:.9rem;margin:16px 0}
.docs-body .note strong{color:var(--text)}
@media(max-width:900px){
  .docs-wrap{grid-template-columns:1fr;gap:20px}
  .docs-nav{position:static;max-height:none;border-bottom:1px solid var(--border);padding-bottom:16px}
}

@media(max-width:900px){
  .hero-grid,.feature-row,.contact-grid{grid-template-columns:1fr}
  .feature-row:nth-child(even) .feature-media{order:0}
  .grid-3,.grid-2,.steps,.price-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-links,.nav-cta .btn-ghost{display:none}
  .nav-toggle{display:block}
  .nav-links.open{display:flex;position:absolute;top:68px;left:0;right:0;flex-direction:column;background:#fff;border-bottom:1px solid var(--border);padding:16px 24px;gap:4px}
  .nav-links.open a{padding:10px 0}
  .cta-band{padding:40px 24px}
}