:root {
  --bg:#f6f7fb;
  --card:#ffffff;
  --muted:#6b7280;
  --accent:#0b60d6;
  --accent-2:#1b9bd7;
  --blue-footer:#0f5fb0;
  --shadow:0 8px 20px rgba(16,24,40,0.06);
}

*{box-sizing:border-box}
body {
  margin:0;
  font-family:Inter,system-ui,sans-serif;
  background:var(--bg);
  color:#111827;
  line-height:1.45;
}

.container{max-width:1150px;margin:0 auto;padding:56px 24px;}
.center{text-align:center}

/* Hero */
.hero h1{margin:0;font-weight:800;font-size:44px;}
.hero .lead{margin:14px 0 22px;color:var(--muted);font-size:18px}
.pill{display:inline-block;border-radius:999px;border:1px solid #e6e9ef;padding:8px 16px;font-size:13px;background:#fff;color:#374151;}

/* Core title */
.core-title h2{margin:0;font-size:26px;font-weight:700}
.core-title p{color:var(--muted);margin-top:10px}

/* Features grid */
.features-grid{margin-top:18px;display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.feature-card{background:var(--card);border-radius:12px;padding:22px;box-shadow:var(--shadow);display:flex;gap:14px;}
.feature-icon{flex:0 0 44px;height:44px;border-radius:10px;display:grid;place-items:center;background:#f3f7ff;color:var(--accent);}
.feature-card h3{margin:0;font-size:16px;}
.feature-card p{margin:8px 0 0;color:var(--muted);font-size:14px}

/* Technical Excellence */
.tech{margin-top:54px;padding:28px 0 12px;}
.tech .title{font-size:32px;font-weight:700;margin-bottom:6px}
.tech .subtitle{color:var(--muted);margin-bottom:26px}
.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.tech-card{background:var(--card);border-radius:12px;padding:28px;text-align:center;box-shadow:var(--shadow);}
.circle{width:60px;height:60px;border-radius:999px;display:inline-grid;place-items:center;background:var(--accent);margin-bottom:14px;color:#fff;}
.tech-card h4{margin:0 0 8px;font-size:16px}
.tech-card p{margin:0;color:var(--muted);font-size:13px}

/* Bandwidth */
.bandwidth{margin-top:48px;display:grid;grid-template-columns:1fr 420px;gap:28px;}
.band-left h3{font-size:28px;margin:0 0 8px}
.band-left p{color:var(--muted);margin:0 0 18px}
.bulleted{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.bulleted li{padding-left:28px;position:relative;color:#374151;font-size:14px}
.bulleted li::before{content:"";position:absolute;left:0;top:8px;width:12px;height:12px;border-radius:999px;background:var(--accent);}
.band-card{background:linear-gradient(180deg,#195ecb,#0b4fa6);border-radius:12px;padding:22px;color:#fff;}
.band-card h4{margin:0 0 12px;font-size:18px}
.bar{background:rgba(255,255,255,0.12);height:10px;border-radius:8px;margin:8px 0;overflow:hidden;}
.bar > span{display:block;height:100%;border-radius:8px;background:linear-gradient(90deg,#2dd4bf,#10b981);}
.band-item{display:flex;justify-content:space-between;align-items:center;color:#e6f1ff;font-size:13px;margin-top:12px}
.tip{margin-top:16px;background:rgba(255,255,255,0.07);padding:12px;border-radius:8px;color:#e6f1ff;font-size:13px;display:flex;gap:10px;align-items:center;}

/* Footer */
footer{margin-top:54px;background:linear-gradient(180deg,var(--blue-footer),#0d4f94);color:#dbeafe;padding:36px 24px;}
.footer-inner{max-width:1150px;margin:0 auto;display:flex;gap:40px;}
.footer-left{flex:1}
.brand{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.logo{width:46px;height:46px;border-radius:8px;background:rgba(255,255,255,0.08);display:grid;place-items:center}
.brand-name{font-weight:700;font-size:18px}
.brand-tag{font-size:13px;color:rgba(255,255,255,0.9)}
.footer-left p{margin:6px 0;color:rgba(255,255,255,0.9);max-width:320px}
.footer-cols{display:flex;gap:40px}
.footer-col h5{margin:0 0 8px;font-size:15px}
.footer-col a,.footer-col p{color:rgba(255,255,255,0.85);font-size:14px;text-decoration:none;display:block;margin:6px 0}
.footer-bottom{max-width:1150px;margin:16px auto 0;padding:0 24px;color:rgba(255,255,255,0.7);font-size:13px;border-top:1px solid rgba(255,255,255,0.04);padding-top:14px}

/* Responsive */
@media (max-width:1000px){
  .tech-grid{grid-template-columns:repeat(2,1fr)}
  .bandwidth{grid-template-columns:1fr}
}
@media (max-width:640px){
  .features-grid{grid-template-columns:1fr}
  .tech-grid{grid-template-columns:1fr}
  .hero h1{font-size:30px}
  .container{padding:28px 18px}
  .footer-inner{flex-direction:column}
}
.accent{color:var(--accent);}
.accent-2{color:var(--accent-2);}


/* Hero section fix */
.hero {
  margin-top: 20px;
  margin-bottom: 40px;
}

.hero h1 {
  font-weight: 800;
  font-size: 44px;
  line-height: 1.2;
  margin: 0;
}

.hero .accent-2 {
  background: linear-gradient(90deg, #0b60d6, #1b9bd7, #10b981);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero .lead {
  font-size: 18px;
  color: #6b7280;
  margin: 14px 0 22px;
}

/* header */
.site-header{
  background:linear-gradient(180deg, rgba(255,255,255,0.95), rgba(255,255,255,0.9));
  border-bottom:1px solid rgba(17,24,39,0.04);
  position:sticky;
  top:0;
  z-index:50;
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  justify-content:space-between;
}
.brand{display:flex;align-items:center;gap:12px}
.logo-mark{
  width:44px;height:44px;border-radius:10px;background:linear-gradient(135deg,#2b6ef4,#2aa17b);display:flex;align-items:center;justify-content:center;color:white;font-weight:700;font-size:20px;
}
.logo-mark.small{width:36px;height:36px}
.brand-name{font-weight:700;font-size:18px}

/* nav */
.main-nav{display:flex;gap:18px;align-items:center}
.nav-link{color:var(--muted);text-decoration:none;font-weight:600;padding:8px 6px;border-radius:6px}
.nav-link.active{color:var(--blue);}

/* buttons */
.btn{font-weight:700;border-radius:999px;padding:8px 16px;border:1px solid transparent;cursor:pointer;background:transparent}
.btn-ghost{background:transparent;border:1px solid rgba(11,99,214,0.12);padding:8px 12px}
.btn-primary{background:linear-gradient(90deg,#2b6ef4,#22a36a);color:#fff;padding:8px 14px}
.btn-outline{background:transparent;border:2px solid rgba(11,99,214,0.12);padding:10px 18px;border-radius:12px}
.btn-cta{background:linear-gradient(90deg,#2b6ef4,#22a36a);color:white;padding:12px 26px;border-radius:999px;text-decoration:none;display:inline-block}