:root{
  --ink:#101820;
  --muted:#5b6772;
  --line:#e3e6ea;
  --bg:#ffffff;
  --bg-alt:#f6f7f9;
  --brand:#101820;
  --accent:#A6192E;
  --wrap:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Inter","Helvetica Neue",Helvetica,Arial,"PingFang HK","Noto Sans CJK TC",sans-serif;
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
a{color:inherit;text-decoration:none}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand img{height:40px;display:block}
nav{display:flex;align-items:center;gap:30px;font-size:15px}
nav a{color:var(--muted)}
nav a:hover{color:var(--ink)}
.btn-nav{border:1px solid var(--ink);padding:8px 16px;border-radius:2px;color:var(--ink)}

/* hero */
.hero{padding:110px 0 90px;border-bottom:1px solid var(--line)}
.eyebrow{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin:0 0 22px}
.hero h1{font-size:56px;line-height:1.08;letter-spacing:-.02em;margin:0 0 26px;max-width:900px;font-weight:650}
.lede{font-size:20px;color:var(--muted);max-width:720px;margin:0 0 36px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;background:var(--ink);color:#fff;padding:14px 26px;border-radius:2px;font-size:15px}
.btn:hover{background:#000}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--ink)}

/* strip */
.strip{background:var(--bg-alt);border-bottom:1px solid var(--line)}
.strip-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding:30px 28px}
.strip-inner strong{display:block;font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:6px}
.strip-inner span{font-size:15px;color:var(--muted)}

/* sections */
.section{padding:90px 0}
.section.alt{background:var(--bg-alt)}
.section h2{font-size:34px;letter-spacing:-.01em;margin:0 0 12px}
.section-lede{color:var(--muted);font-size:18px;margin:0 0 44px;max-width:680px}
.narrow{max-width:760px}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{border:1px solid var(--line);padding:28px;background:#fff}
.card:hover{border-color:#c9ced6}
.tag{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin:0 0 12px}
.card h3{font-size:20px;margin:0 0 10px}
.card p{font-size:15px;color:var(--muted);margin:0}

/* capabilities */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:34px 40px}
.cap h3{font-size:18px;margin:0 0 8px}
.cap p{font-size:15px;color:var(--muted);margin:0}

/* steps */
.steps{margin:0;padding-left:22px}
.steps li{margin-bottom:18px;color:var(--muted);font-size:16px}
.steps strong{color:var(--ink)}

/* contact */
.contact{border-top:1px solid var(--line)}
.contact-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:start}
.contact-card{border:1px solid var(--line);padding:30px}
.contact-card .label{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin:0 0 4px}
.contact-card p{margin:0 0 18px;font-size:15px}
.contact-card p:last-child{margin-bottom:0}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:36px 0}
.site-footer .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px}
.foot-logo{height:26px;opacity:.9}
.site-footer p{font-size:13px;color:var(--muted);margin:0}

/* responsive */
@media (max-width:900px){
  .hero{padding:70px 0 60px}
  .hero h1{font-size:38px}
  .lede{font-size:18px}
  .cards,.grid,.strip-inner{grid-template-columns:1fr 1fr}
  .contact-inner{grid-template-columns:1fr;gap:30px}
  nav{gap:18px;font-size:14px}
}
@media (max-width:600px){
  .cards,.grid,.strip-inner{grid-template-columns:1fr}
  .hero h1{font-size:31px}
  nav a:not(.btn-nav){display:none}
  .site-footer .wrap{flex-direction:column;align-items:flex-start}
}