:root{
  --steel:#1f2933;
  --steel-2:#2d3a46;
  --steel-3:#52606d;
  --line:#d9dee3;
  --bg:#f5f6f7;
  --white:#fff;
  --accent:#e0781a;
  --accent-d:#b85e10;
  --radius:10px;
  --max:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;color:var(--steel);background:var(--white);line-height:1.65;font-size:17px}
img,svg{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.2;letter-spacing:-.01em}
h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:.6rem}
h3{font-size:1.15rem;margin-bottom:.4rem}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-d);margin-bottom:.5rem}
.lead{font-size:1.08rem;color:var(--steel-3);max-width:62ch}

/* header */
header.top{position:sticky;top:0;z-index:50;background:rgba(31,41,51,.97);backdrop-filter:blur(6px);border-bottom:3px solid var(--accent)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff;font-weight:800;letter-spacing:.02em}
.brand small{display:block;font-weight:500;font-size:.68rem;letter-spacing:.14em;color:#b8c2cc;text-transform:uppercase}
.logo{width:40px;height:40px;flex:none}
nav ul{display:flex;gap:24px;list-style:none}
nav a{color:#dfe5ea;text-decoration:none;font-size:.95rem;font-weight:500}
nav a:hover{color:var(--accent)}
.menu-btn{display:none;background:none;border:1px solid #52606d;color:#fff;border-radius:8px;padding:8px 12px;font-size:1rem;cursor:pointer}

/* buttons */
.btn{display:inline-block;padding:13px 24px;border-radius:8px;font-weight:700;text-decoration:none;border:2px solid transparent;cursor:pointer;font-size:1rem;font-family:inherit}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-d)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1)}

/* hero */
.hero{position:relative;color:#fff;background:linear-gradient(135deg,#18222b 0%,#2d3a46 100%);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;opacity:.14;
  background-image:
   linear-gradient(45deg,transparent 47%,#fff 47%,#fff 53%,transparent 53%),
   linear-gradient(-45deg,transparent 47%,#fff 47%,#fff 53%,transparent 53%);
  background-size:44px 44px}
.hero .wrap{position:relative;padding:96px 20px 104px}
.hero h1{font-size:clamp(2rem,5vw,3.4rem);max-width:18ch;margin-bottom:1rem}
.hero h1 span{color:var(--accent)}
.hero p{font-size:1.15rem;color:#dbe2e8;max-width:56ch;margin-bottom:2rem}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap}

/* sections */
section{padding:84px 0}
section.alt{background:var(--bg)}
.sec-head{margin-bottom:42px}

/* about */
.about{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:start}
.about p+p{margin-top:1rem}
.facts{background:var(--steel);color:#fff;border-radius:var(--radius);padding:28px}
.facts h3{color:var(--accent);margin-bottom:1rem}
.facts li{list-style:none;padding:10px 0;border-bottom:1px solid #3b4a58;font-size:.97rem}
.facts li:last-child{border:0}

/* cards */
.grid{display:grid;gap:22px}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.2s}
.card:hover{border-color:var(--accent);box-shadow:0 8px 24px rgba(31,41,51,.08);transform:translateY(-2px)}
.card .ico{width:46px;height:46px;border-radius:10px;background:#fdf0e3;color:var(--accent-d);display:grid;place-items:center;margin-bottom:14px}
.card ul{margin:.6rem 0 0 1.1rem;color:var(--steel-3);font-size:.96rem}
.card p{color:var(--steel-3);font-size:.98rem}

/* why */
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.why div{padding-top:18px;border-top:4px solid var(--accent)}
.why p{color:var(--steel-3);font-size:.96rem}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:s}
.step{background:var(--white);border-radius:var(--radius);padding:24px;border:1px solid var(--line);counter-increment:s}
.step::before{content:counter(s);display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--steel);color:#fff;font-weight:800;margin-bottom:12px}
.step p{color:var(--steel-3);font-size:.95rem}

/* clients */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.chips span{background:var(--white);border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:.93rem}

/* contact */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px}
.info p{margin-bottom:.9rem}
.info b{display:block;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-d)}
form{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
label{display:block;font-weight:600;font-size:.92rem;margin-bottom:5px}
input,textarea,select{width:100%;padding:12px 14px;border:1px solid #c3cbd3;border-radius:8px;font:inherit;margin-bottom:16px;background:#fff}
input:focus,textarea:focus,select:focus{outline:2px solid var(--accent);border-color:var(--accent)}
textarea{min-height:130px;resize:vertical}
.note{font-size:.85rem;color:var(--steel-3);margin-top:10px}

/* footer */
footer{background:var(--steel);color:#b8c2cc;padding:34px 0;font-size:.92rem}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer strong{color:#fff}
footer a{color:#dfe5ea}

@media(max-width:900px){
  .about,.contact{grid-template-columns:1fr}
  .grid.c3{grid-template-columns:repeat(2,1fr)}
  .why,.steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:680px){
  body{font-size:16px}
  section{padding:60px 0}
  .menu-btn{display:block}
  nav ul{display:none;position:absolute;top:71px;left:0;right:0;background:var(--steel);flex-direction:column;gap:0;padding:8px 20px 16px}
  nav ul.open{display:flex}
  nav li a{display:block;padding:12px 0;border-bottom:1px solid #3b4a58}
  .grid.c3,.grid.c2,.why,.steps{grid-template-columns:1fr}
  .hero .wrap{padding:64px 20px 72px}
}