:root{--ink:#1F2328;--yellow:#F2A900;--yellow-d:#D99700;--text:#24292F;--muted:#57606A;--bg:#fff;--soft:#F5F6F7;--line:#E1E4E8}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
a{color:inherit}
ul,ol{list-style:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.narrow{max-width:760px}
h1,h2,h3{color:var(--ink);line-height:1.2}
h2{font-size:1.6rem;margin-bottom:20px;position:relative;padding-bottom:10px}
h2::after{content:"";position:absolute;left:0;bottom:0;width:44px;height:4px;border-radius:2px;background:var(--yellow)}
h3{font-size:1.02rem}

/* header */
.top{position:sticky;top:0;z-index:10;background:#fff;border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:12px;min-height:60px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none;font-weight:800;letter-spacing:.08em;color:var(--ink);font-size:1.1rem;margin-right:auto}
.brand-mark{width:32px;height:32px}
.nav nav{order:3;width:100%}
.menu{display:flex;gap:4px 16px;flex-wrap:wrap;font-size:.92rem}
.menu a{display:inline-block;padding:6px 0;text-decoration:none;color:var(--muted);font-weight:600}
.menu a:hover{color:var(--ink)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:8px;background:var(--yellow);color:var(--ink);font-weight:700;text-decoration:none;border:2px solid var(--yellow);transition:background .15s,border-color .15s}
.btn:hover{background:var(--yellow-d);border-color:var(--yellow-d)}
.btn-sm{padding:8px 14px;font-size:.9rem}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost-light:hover{background:rgba(255,255,255,.1);border-color:#fff}
a:focus-visible,.btn:focus-visible{outline:3px solid var(--yellow);outline-offset:3px}
.ic{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linejoin:round}

/* hero */
.hero{background:var(--ink);color:#fff;padding:56px 0 60px;background-image:linear-gradient(135deg,rgba(242,169,0,.12) 0 25%,transparent 25%)}
.hero h1{color:#fff;font-size:clamp(1.9rem,6vw,3rem);max-width:780px;letter-spacing:-.01em}
.lead{margin-top:16px;max-width:640px;font-size:1.08rem;color:#D0D7DE}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* sections */
.sec{padding:56px 0}
.sec.alt{background:var(--soft)}
.sec p{color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px 14px;display:flex;flex-direction:column;gap:10px}
.card h3{font-size:.95rem}
.ic-lg{width:34px;height:34px;padding:6px;border-radius:8px;background:var(--ink);fill:none;stroke:var(--yellow);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.svc{display:grid;gap:14px}
.svc li{border-left:4px solid var(--yellow);padding:4px 0 4px 16px}
.svc p{margin-top:4px;font-size:.95rem}
.steps{display:grid;gap:14px;counter-reset:s}
.steps li{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px}
.steps span{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--yellow);color:var(--ink);font-weight:800;margin-bottom:8px}
.steps p{margin-top:4px;font-size:.95rem}

/* contact */
.sec.dark{background:var(--ink);color:#fff}
.sec.dark h2{color:#fff}
.contact{display:grid;gap:16px}
.contact li{display:flex;flex-direction:column;gap:2px}
.k{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--yellow);font-weight:700}
.contact a,.contact address{font-style:normal;color:#fff;font-size:1.05rem;text-decoration:none}
.contact a:hover{text-decoration:underline}
.contact .map{margin-top:4px;font-size:.92rem;color:#D0D7DE;text-decoration:underline}

/* footer */
.foot{background:#16191D;color:#AEB6BF;font-size:.85rem;padding:22px 0}
.foot p+p{margin-top:4px}
.foot a{color:#fff}

@media (min-width:720px){
  .nav nav{order:0;width:auto;margin-right:8px}
  .cards{grid-template-columns:repeat(4,1fr)}
  .svc{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .contact{grid-template-columns:repeat(4,1fr)}
  .hero{padding:96px 0 100px}
  .sec{padding:72px 0}
}

section[id]{scroll-margin-top:112px}
@media (min-width:720px){section[id]{scroll-margin-top:72px}}