@font-face{font-family:"Literata";src:url("fonts/literata.woff") format("woff");font-weight:200 900;font-display:swap}
@font-face{font-family:"Golos Text";src:url("fonts/golos.woff") format("woff");font-weight:400 900;font-display:swap}
@font-face{font-family:"Jura";src:url("fonts/jura.woff") format("woff");font-weight:300 700;font-display:swap}
:root{
  --paper:#f5f7fa; --ink:#14213d; --muted:#5a6680; --blue:#1f4fd8; --blue-soft:#e6edff;
  --load:#d9572b; --line:#cdd6e4; --card:#ffffffee;
  --mono:Jura,"Segoe UI",sans-serif; --sans:"Golos Text",-apple-system,"Segoe UI",Roboto,Arial,sans-serif; --serif:Literata,Georgia,serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--ink);line-height:1.6;background-color:var(--paper);
  background-image:
    linear-gradient(rgba(31,79,216,.10) 1px,transparent 1px),
    linear-gradient(90deg,rgba(31,79,216,.10) 1px,transparent 1px),
    linear-gradient(rgba(31,79,216,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(31,79,216,.045) 1px,transparent 1px);
  background-size:50px 50px,50px 50px,10px 10px,10px 10px;}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}
a{color:var(--blue)}
h1,h2,h3,h4,.price,.facts b,.logo{font-family:var(--serif)}
.mono,.tag,nav a,.stamp,.code,.num,.n,.lbl,.badge{font-weight:600}
.mono{font-family:var(--mono)}

/* header */
header{position:sticky;top:0;z-index:10;background:rgba(245,247,250,.88);backdrop-filter:blur(6px);border-bottom:1.5px solid var(--ink)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:62px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:700;font-size:19px}
.logo .sig{width:34px;height:34px;border:1.5px solid var(--ink);display:grid;place-items:center;font-family:var(--mono);font-size:20px;background:#fff}
nav a{color:var(--ink);text-decoration:none;margin-left:22px;font-size:14px;font-family:var(--mono);text-transform:uppercase;letter-spacing:.04em}
nav a:hover{color:var(--blue)}

/* hero */
.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;padding:64px 0 48px}
.tag{display:inline-block;font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;border:1.5px solid var(--ink);padding:4px 10px;background:#fff;margin-bottom:18px}
.hero h1{font-size:46px;line-height:1.12;margin:0 0 18px;letter-spacing:-.01em;font-weight:700}
.hero h1 em{font-style:normal;color:var(--blue);position:relative;white-space:nowrap}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;background:repeating-linear-gradient(-45deg,var(--blue) 0 1.5px,transparent 1.5px 6px);opacity:.45}
.hero p{font-size:18px;color:var(--muted);margin:0 0 28px;max-width:520px}
.cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--blue);color:#fff;padding:14px 24px;text-decoration:none;font-weight:600;border:1.5px solid var(--ink);box-shadow:4px 4px 0 var(--ink);transition:transform .12s,box-shadow .12s}
.btn:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--ink)}
.btn.ghost{background:#fff;color:var(--ink)}
.facts{display:flex;gap:26px;margin-top:30px;font-family:var(--mono);font-size:13px;color:var(--muted)}
.facts b{display:block;font-size:22px;color:var(--ink);font-family:var(--sans)}

/* drawing sheet */
.sheet{background:#fff;border:1.5px solid var(--ink);box-shadow:8px 8px 0 rgba(20,33,61,.12);position:relative;padding:14px}
.sheet::before{content:"";position:absolute;inset:6px;border:.8px solid var(--ink);pointer-events:none}
.sheet svg{display:block;width:100%;height:auto}
.stamp{display:grid;grid-template-columns:1fr 1fr 70px;border-top:.8px solid var(--ink);margin:6px 2px 0;font-family:var(--mono);font-size:11px}
.stamp div{padding:4px 8px;border-right:.8px solid var(--ink)}
.stamp div:last-child{border-right:0;text-align:center}
.draw{stroke-dasharray:1000;stroke-dashoffset:1000;animation:draw 2.2s ease forwards}
.d2{animation-delay:.9s}.d3{animation-delay:1.6s}
.fade{opacity:0;animation:fade .6s ease forwards}
.f1{animation-delay:.3s}.f2{animation-delay:2.2s}.f3{animation-delay:2.6s}
.arrow{animation:drop 1.8s ease-in-out infinite}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes fade{to{opacity:1}}
@keyframes drop{0%,100%{transform:translateY(0)}50%{transform:translateY(3px)}}

/* sections */
section{padding:46px 0}
.sec-head{display:flex;align-items:baseline;gap:14px;margin-bottom:24px}
.sec-head .num{font-family:var(--mono);color:var(--blue);font-size:14px;border:1.5px solid var(--blue);padding:2px 8px;background:#fff}
.sec-head h2{font-size:30px;margin:0;letter-spacing:-.01em}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--card);border:1.5px solid var(--ink);padding:22px;position:relative}
.card h3{margin:12px 0 6px;font-size:18px}
.card p{margin:0;color:var(--muted);font-size:15px}
.card .ico{height:64px;border-bottom:.8px dashed var(--line);padding-bottom:8px}
.card .ico svg{height:100%;width:auto}
.card .code{position:absolute;top:10px;right:12px;font-family:var(--mono);font-size:11px;color:var(--muted)}

/* who / why */
.card.who{padding-top:18px}
.card.who .sc{font-family:var(--mono);font-weight:600;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--load)}
.card.who h3{margin-top:6px;font-size:20px}
.why{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1.5px solid var(--ink);background:var(--card)}
.why-item{display:flex;gap:16px;padding:22px;border-bottom:.8px solid var(--ink)}
.why-item:nth-child(odd){border-right:.8px solid var(--ink)}
.why-item:nth-last-child(-n+2){border-bottom:0}
.why-item h3{margin:0 0 4px;font-size:17px}
.why-item p{margin:0;color:var(--muted);font-size:15px}
.wi{min-width:44px;height:44px;border:1.5px solid var(--blue);color:var(--blue);display:grid;place-items:center;font-family:var(--serif);font-size:22px;font-weight:700;background:var(--blue-soft)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border:1.5px solid var(--ink);background:var(--card)}
.step{padding:20px 18px;border-right:.8px solid var(--ink);position:relative}
.step:last-child{border-right:0}
.step .n{font-family:var(--mono);font-size:28px;color:var(--blue);font-weight:600}
.step h4{margin:4px 0 6px;font-size:15.5px}
.step p{margin:0;font-size:14px;color:var(--muted)}
.note{margin-top:14px;font-size:14.5px;color:var(--muted);display:flex;gap:10px;align-items:flex-start}
.note::before{content:"!";font-family:var(--mono);font-weight:600;color:#fff;background:var(--load);min-width:20px;height:20px;display:grid;place-items:center;font-size:13px;margin-top:2px}

/* example */
.example{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.pages{position:relative;height:455px}
.page{position:absolute;width:52%;background:#fff;border:1.5px solid var(--ink);box-shadow:6px 6px 0 rgba(20,33,61,.14);transition:transform .25s,box-shadow .25s;line-height:0}
.page img{width:100%;height:auto;display:block}
.page:nth-child(1){left:0;top:40px;transform:rotate(-5deg);z-index:1}
.page:nth-child(2){left:24%;top:0;transform:rotate(1deg);z-index:3}
.page:nth-child(3){left:48%;top:50px;transform:rotate(5deg);z-index:2}
.page:hover{transform:rotate(0) translateY(-8px) scale(1.03);z-index:5;box-shadow:10px 10px 0 rgba(31,79,216,.25)}
.hint{position:absolute;bottom:0;left:0;font-family:var(--mono);font-size:12.5px;color:var(--muted)}
.list{list-style:none;padding:0;margin:0}
.list li{padding:10px 0 10px 30px;border-bottom:.8px dashed var(--line);position:relative}
.list li::before{content:"✓";position:absolute;left:0;top:9px;width:20px;height:20px;border:1.5px solid var(--blue);color:var(--blue);display:grid;place-items:center;font-size:12px;background:#fff}

/* prices */
.prices{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.price-card{background:var(--card);border:1.5px solid var(--ink);padding:26px;position:relative}
.price-card.hl{box-shadow:8px 8px 0 var(--blue)}
.price{font-size:44px;font-weight:700;letter-spacing:-.02em;margin:8px 0}
.price small{font-size:16px;color:var(--muted);font-weight:500}
.price-card ul{padding-left:18px;color:var(--muted);margin:12px 0 0}
.badge{position:absolute;top:-13px;right:20px;background:var(--load);color:#fff;font-family:var(--mono);font-size:12px;padding:3px 10px;border:1.5px solid var(--ink);transform:rotate(2deg)}

/* faq */
details{background:var(--card);border:1.5px solid var(--ink);margin-bottom:-1.5px;padding:0 20px}
summary{cursor:pointer;padding:16px 0;font-weight:600;list-style:none;display:flex;justify-content:space-between}
summary::after{content:"+";font-family:var(--mono);font-size:20px;color:var(--blue)}
details[open] summary::after{content:"−"}
details p{margin:0 0 16px;color:var(--muted)}

/* footer stamp */
footer{margin-top:30px;border-top:.8px solid var(--line);padding:16px 0 24px}
.legal{margin:0;font-size:12px;color:#8a93a6;line-height:1.7}
.legal a{color:#8a93a6;text-decoration:none}
.legal a:hover{color:var(--blue)}
.title-block{display:grid;grid-template-columns:2fr 1.3fr 1.3fr;border:1.5px solid var(--ink);font-size:13.5px}
.title-block>div{padding:10px 14px;border-right:.8px solid var(--ink)}
.title-block>div:last-child{border-right:0}
.title-block .lbl{font-family:var(--mono);font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.title-block a{color:var(--ink)}
.sticky-cta{display:none}

@media(max-width:860px){
  .hero{grid-template-columns:1fr;padding-top:36px}
  .hero h1{font-size:33px}
  .grid3,.prices,.example{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .why{grid-template-columns:1fr}.why-item{border-right:0!important;border-bottom:.8px solid var(--ink)!important}.why-item:last-child{border-bottom:0!important}
  .step{border-right:0;border-bottom:.8px solid var(--ink)}
  .step:last-child{border-bottom:0}
  .pages{height:330px}
  .facts{gap:16px}.facts b{font-size:18px}
  nav{display:none}
  .title-block{grid-template-columns:1fr}
  .title-block>div{border-right:0;border-bottom:.8px solid var(--ink)}
  footer{padding-bottom:90px}
  .sticky-cta{display:block;position:fixed;left:12px;right:12px;bottom:12px;z-index:20;text-align:center;justify-content:center}
}

/* document pages */
.doc{background:var(--card);border:1.5px solid var(--ink);padding:34px 40px;margin:36px 0;box-shadow:8px 8px 0 rgba(20,33,61,.08)}
.doc h1{font-size:30px;line-height:1.2;margin:0 0 6px}
.doc h2{font-size:19px;margin:28px 0 8px}
.doc p,.doc li{font-size:15.5px}
.doc ol,.doc ul{padding-left:22px}
.doc li{margin-bottom:4px}
.doc .note{display:block;font-family:var(--mono);font-weight:600;font-size:13px;color:var(--muted);margin:0 0 18px}
.doc .note::before{content:none}
@media(max-width:860px){.doc{padding:22px 18px}.doc h1{font-size:24px}}