:root{--navy:#0f2341;--navy2:#1b3a66;--orange:#f26a1b;--orange-btn:#c84b0c;--orange-d:#b84a08;--ink:#1a2433;--muted:#566275;--bg:#fff;--alt:#f3f6fa;--line:#e1e7ef;--r:14px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:1rem}
img,svg{max-width:100%;display:block}
a{color:var(--navy2)}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:.6rem 1rem;z-index:100}
.skip:focus{left:1rem}
.wrap{width:min(1160px,100% - 2.5rem);margin-inline:auto}
.wrap--narrow{width:min(820px,100% - 2.5rem)}
h1,h2,h3{line-height:1.15;color:var(--navy);letter-spacing:-.02em;margin:0 0 .8rem}
h1{font-size:clamp(2rem,5vw,3.4rem);font-weight:800}
h1 span{color:var(--orange-d)}
h2{font-size:clamp(1.6rem,3.4vw,2.4rem);font-weight:800;max-width:24ch}
h3{font-size:1.2rem;font-weight:700}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.8rem;font-weight:700;color:var(--orange-d);margin:0 0 .6rem}
.eyebrow--light{color:#ff9a55}
.intro,.lead{color:var(--muted);max-width:60ch}
.lead{font-size:1.12rem}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;background:var(--orange-btn);color:#fff;font-weight:700;text-decoration:none;padding:.9rem 1.4rem;border-radius:10px;border:2px solid var(--orange-btn);cursor:pointer;font:inherit;font-weight:700;transition:background .2s,transform .2s}
.btn:hover{background:var(--orange-d);border-color:var(--orange-d);transform:translateY(-1px)}
.btn--ghost{background:transparent;color:var(--navy);border-color:var(--navy)}
.btn--ghost:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.btn--sm{padding:.55rem 1rem}

.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header__in{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo img{height:56px;width:auto}
.nav{display:flex;align-items:center;gap:1.6rem}
.nav a:not(.btn){color:var(--navy);text-decoration:none;font-weight:600}
.nav a:not(.btn):hover{color:var(--orange-d)}
.burger{display:none;background:none;border:0;padding:.5rem;cursor:pointer}
.burger span{display:block;width:26px;height:3px;background:var(--navy);margin:5px 0;border-radius:2px;transition:.2s}

.hero{background:radial-gradient(900px 400px at 85% 20%,#ffe6d6 0,transparent 60%),linear-gradient(180deg,#f6f9fc,#fff);padding:4.5rem 0 4rem}
.hero__in{display:grid;grid-template-columns:1.1fr .9fr;gap:2.5rem;align-items:center}
.hero__cta{display:flex;flex-wrap:wrap;gap:.8rem;margin:1.6rem 0}
.ticks{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.6rem 1.4rem;color:var(--navy);font-weight:600;font-size:.95rem}
.ticks li::before{content:"✓";color:var(--orange-d);margin-right:.4rem;font-weight:800}

.section{padding:5rem 0}
.section--alt{background:var(--alt)}
.section--dark{background:linear-gradient(135deg,var(--navy),#16325c);color:#dbe4f0}
.section--dark h2,.section--dark h3{color:#fff}

.offer{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-top:2rem}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:2rem;box-shadow:0 10px 30px -18px rgba(15,35,65,.35)}
.card--accent{border-top:5px solid var(--orange)}
.card:not(.card--accent){border-top:5px solid var(--navy)}
.card p{color:var(--muted)}
.list{padding-left:1.1rem;margin:1rem 0 1.4rem}
.list li{margin:.35rem 0}
.list li::marker{color:var(--orange)}
.link{font-weight:700;color:var(--orange-d);text-decoration:none}
.link:hover{text-decoration:underline}

.types{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;margin-top:2rem}
.type{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1.5rem;display:flex;flex-direction:column}
.type--hl{border-color:var(--orange);box-shadow:0 12px 30px -18px rgba(242,106,27,.6)}
.type__badge{align-self:flex-start;background:var(--navy);color:#fff;font-weight:800;padding:.3rem .7rem;border-radius:8px;margin-bottom:1rem}
.type--hl .type__badge{background:var(--orange-btn)}
.type p{color:var(--muted);font-size:.95rem}
.type dl{margin:auto 0 0;padding-top:1rem;border-top:1px solid var(--line);display:grid;gap:.35rem}
.type dl div{display:flex;justify-content:space-between;gap:1rem;font-size:.92rem}
.type dt{color:var(--muted)}
.type dd{margin:0;font-weight:700;color:var(--navy)}

.uses{list-style:none;padding:0;margin:2rem 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.uses li{padding:1.3rem 1.4rem;border-left:4px solid var(--orange);background:var(--alt);border-radius:0 var(--r) var(--r) 0}
.uses strong{display:block;color:var(--navy);margin-bottom:.25rem}
.uses span{color:var(--muted);font-size:.95rem}

.steps{list-style:none;padding:0;margin:2.2rem 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;counter-reset:s}
.steps li{counter-increment:s;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r);padding:1.5rem}
.steps li::before{content:"0" counter(s);display:block;font-size:2rem;font-weight:800;color:#ff9a55;margin-bottom:.5rem}
.steps p{margin:0}

.faq{margin-top:1.8rem;display:grid;gap:.8rem}
.faq details{border:1px solid var(--line);border-radius:12px;background:#fff}
.faq summary{cursor:pointer;padding:1.1rem 3rem 1.1rem 1.3rem;font-weight:700;color:var(--navy);list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:1.3rem;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--orange-d)}
.faq details[open] summary::after{content:"–"}
.faq p{margin:0;padding:0 1.3rem 1.2rem;color:var(--muted)}

.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:3rem;align-items:start}
.contact__list{list-style:none;padding:0;margin:1.5rem 0 0;display:grid;gap:.9rem}
.contact__list li{display:flex;flex-direction:column;font-weight:600;color:var(--navy)}
.contact__list span{font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:600}
.contact__list address{font-style:normal}
.contact__list .map{margin-top:.3rem;font-size:.92rem;color:var(--orange-d);text-decoration:none}
.contact__list .map:hover{text-decoration:underline}
.form{background:#fff;border-radius:var(--r);padding:2rem;display:grid;grid-template-columns:1fr 1fr;gap:1rem;box-shadow:0 14px 40px -24px rgba(15,35,65,.45)}
.field{display:flex;flex-direction:column;gap:.35rem}
.field--full{grid-column:1/-1}
label{font-weight:600;font-size:.9rem;color:var(--navy)}
input,select,textarea{font:inherit;padding:.75rem .9rem;border:1.5px solid #c9d3e0;border-radius:10px;background:#fff;color:var(--ink);width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--orange);outline:none;box-shadow:0 0 0 3px rgba(242,106,27,.2)}

.footer{background:var(--navy);color:#b9c6d8;padding:1.6rem 0}
.footer__in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem}
.footer p{margin:0}
.footer strong{color:#fff}

@media (max-width:1000px){
  .types{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .uses{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .burger{display:block}
  .nav{position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:.5rem 1.25rem 1.25rem;border-bottom:1px solid var(--line);display:none}
  .nav.open{display:flex}
  .nav a:not(.btn){padding:.85rem 0;border-bottom:1px solid var(--line)}
  .nav .btn{margin-top:1rem}
  .hero{padding:3rem 0}
  .hero__in,.offer,.contact{grid-template-columns:1fr}
  .hero__art{max-width:420px;margin-inline:auto}
  .section{padding:3.5rem 0}
}
@media (max-width:560px){
  .logo img{height:44px}
  .types,.steps,.uses,.form{grid-template-columns:1fr}
  .form{padding:1.4rem}
  .hero__cta .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}