:root{
  --ink:#16202e; --muted:#5b6776; --line:#e6eaf0;
  --accent:#f5a623; --accent-d:#d98a10; --bg:#ffffff; --alt:#f6f8fb;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}

/* header */
.site-header{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-size:20px;font-weight:800;letter-spacing:.5px}
.logo span{color:var(--accent)}
.menu a{margin-left:24px;font-size:15px;color:var(--muted);font-weight:600}
.menu a:hover,.menu a.active{color:var(--ink)}

/* buttons */
.btn{display:inline-block;background:var(--accent);color:#111;font-weight:700;padding:12px 26px;border-radius:8px;margin-top:14px;transition:.2s}
.btn:hover{background:var(--accent-d)}
.btn.ghost{background:transparent;border:2px solid #fff;color:#fff}
.btn.ghost:hover{background:rgba(255,255,255,.12)}
.btn.light{background:#fff;color:var(--ink)}
.btn.ghost.dark{border-color:var(--accent);color:var(--ink)}
.btn.ghost.dark:hover{background:var(--alt)}

/* hero */
.hero{background:linear-gradient(135deg,#16202e 0%,#25334a 60%,#1b2940 100%);color:#fff;padding:96px 0 88px;text-align:center}
.hero .kicker{color:var(--accent);font-weight:700;letter-spacing:1px;text-transform:uppercase;font-size:13px}
.hero h1{font-size:42px;line-height:1.25;margin:14px auto 18px;max-width:760px}
.hero .sub{color:#c3ccd9;max-width:640px;margin:0 auto 8px;font-size:17px}
.hero-btns .btn{margin-right:12px}

/* sections */
.section{padding:72px 0}
.section.alt{background:var(--alt)}
.sec-title{font-size:28px;text-align:center;margin-bottom:36px}
.grid{display:grid;gap:22px}
.grid.three{grid-template-columns:repeat(3,1fr)}
.grid.four{grid-template-columns:repeat(4,1fr)}
.grid.two{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px}
.section.alt .card,.stats .card{background:#fff}
.card h3{margin-bottom:8px;font-size:17px}
.card p{color:var(--muted);font-size:15px}

/* product cards */
.ph{background:repeating-linear-gradient(45deg,#eef1f6,#eef1f6 14px,#e7ebf2 14px,#e7ebf2 28px);border-radius:8px;min-height:170px;display:flex;align-items:center;justify-content:center;text-align:center;color:#8a97a8;font-size:13px;margin-bottom:14px;line-height:1.8}
.ph.tall{min-height:240px}
.product h3{font-size:16px}
.product-big h2{font-size:21px;margin-bottom:6px}
.specs{list-style:none;margin:14px 0 4px;border-top:1px dashed var(--line);padding-top:12px}
.specs li{font-size:14px;color:var(--muted);padding:3px 0}
.more{text-align:center;margin-top:36px}
.note{margin-top:28px;color:var(--muted);font-size:14px}
code{background:var(--alt);padding:2px 6px;border-radius:6px}

/* page head */
.page-head{background:var(--alt);border-bottom:1px solid var(--line);padding:52px 0}
.page-head h1{font-size:34px;margin-bottom:6px}
.page-head p{color:var(--muted)}

/* about */
.story{display:grid;grid-template-columns:1.2fr 1fr;gap:34px;align-items:center;margin-bottom:48px}
.story h2{margin-bottom:12px}
.story p{color:var(--muted);margin-bottom:12px}
.stats{margin-bottom:48px}
.stat{text-align:center}
.stat strong{font-size:30px;color:var(--accent);display:block}
.stat span{color:var(--muted);font-size:14px}
.mt{margin:8px 0 12px}

/* contact */
.contact-list{list-style:none;margin:14px 0}
.contact-list li{padding:8px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:15px}

/* cta band */
.cta-band{background:linear-gradient(135deg,#16202e,#2b3b57);color:#fff;text-align:center;padding:64px 0}
.cta-band h2{font-size:28px;margin-bottom:6px}
.cta-band p{color:#c3ccd9}

/* footer */
.site-footer{background:#101823;color:#93a1b4;padding:36px 0;font-size:14px;text-align:center}
.site-footer p{padding:2px 0}

/* responsive */
@media (max-width:900px){
  .grid.four{grid-template-columns:repeat(2,1fr)}
  .grid.three,.grid.two{grid-template-columns:1fr}
  .story{grid-template-columns:1fr}
  .hero h1{font-size:30px}
  .menu a{margin-left:14px;font-size:14px}
}
@media (max-width:560px){
  .grid.four{grid-template-columns:1fr}
  .nav{flex-direction:column;height:auto;padding:12px 0;gap:10px}
  .menu a{margin:0 10px}
}