:root{
  --blue-900:#0A2A6B;
  --blue-800:#10357F;
  --blue-700:#15449B;
  --blue-600:#1B57BE;
  --blue-500:#246BE3;
  --cyan-400:#22D1EE;
  --cyan-300:#41E4FF;
  --text:#EAF2FF;
  --muted:#9FB3D1;
  --bg:#071E4D;
  --card:#0F2B68;
  --card-2:#0D265C;
  --line:rgba(255,255,255,.08);
  --shadow:0 10px 30px rgba(3,15,40,.35);
  --radius:14px;
}

*{box-sizing:border-box}
html,body{height:100%}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,"Helvetica Neue",Arial,"Noto Sans","Apple Color Emoji","Segoe UI Emoji",sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, #11419c33, transparent 60%),
    radial-gradient(1000px 500px at 110% 10%, #1b57be33, transparent 60%),
    linear-gradient(180deg, var(--blue-900), #081D47 60%);
}

/* Utilities */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
.section{
  padding:72px 0;
  position:relative;
}
.section-alt{
  background:
    radial-gradient(800px 400px at -10% 0%, #1b57be14, transparent 60%),
    linear-gradient(180deg, #0A2A6B, #0A2A6B);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{
  text-align:center;
  margin-bottom:28px;
}
.section-head h2{
  font-size:32px;
  margin:0 0 8px;
  letter-spacing:.2px;
}
.section-head p{
  color:var(--muted);
  margin:0;
}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:linear-gradient(180deg, rgba(4,15,40,.85), rgba(4,15,40,.55));
  backdrop-filter:saturate(120%) blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease,background .25s ease;
}
.site-header.scrolled{
  box-shadow:var(--shadow);
  border-color:var(--line);
  background:linear-gradient(180deg, rgba(6,25,70,.9), rgba(6,25,70,.75));
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:64px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  color:var(--text);
  text-decoration:none;
}
.logo{height:28px;width:auto; display:block}
.logo.small{height:22px}
.brand-text{
  font-weight:700;
  letter-spacing:.2px;
}
.brand-text small{opacity:.65; font-weight:600}

.nav{
  display:flex;
  gap:18px;
  align-items:center;
}
.nav-link{
  color:var(--muted);
  text-decoration:none;
  font-weight:500;
  transition:color .2s ease, opacity .2s ease;
}
.nav-link:hover{color:var(--text)}
.cta-wrap{display:flex; align-items:center}
.hamburger{
  display:none;
  background:none;border:0; padding:8px; margin-left:8px; cursor:pointer;
}
.hamburger span{display:block; width:24px; height:2px; background:#cfe3ff; margin:5px 0; transition:transform .2s ease,opacity .2s ease}

/* Buttons */
.btn{
  --btn-bg:#16387a;
  --btn-color:#EAF2FF;
  --btn-border:transparent;
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  padding:10px 16px;
  border-radius:12px;
  text-decoration:none;
  color:var(--btn-color);
  background:var(--btn-bg);
  border:1px solid var(--btn-border);
  font-weight:600;
  transition:transform .06s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
  box-shadow:0 6px 18px rgba(3,15,40,.2);
}
.btn:hover{box-shadow:0 10px 26px rgba(3,15,40,.35)}
.btn:active{transform:translateY(1px)}
.btn-accent{
  --btn-bg:linear-gradient(180deg, var(--cyan-400), #1BB7CF);
  --btn-color:#05233E;
  --btn-border:#3ef0ff22;
}
.btn-ghost{
  --btn-bg:transparent;
  --btn-border:rgba(255,255,255,.18);
  --btn-color:#d7e6ff;
}
.btn-lg{padding:12px 18px; font-size:16px; border-radius:14px}
.btn-full{display:flex; width:100%}

/* Hero */
.hero{
  position:relative;
  padding:64px 0 36px;
  background:
    radial-gradient(1200px 480px at 20% 0%, #1b57be33, transparent 60%),
    radial-gradient(1000px 480px at 100% 0%, #22d1ee22, transparent 55%);
}
.hero-inner{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap:28px;
  align-items:center;
}
.hero-copy h1{
  margin:0 0 10px;
  font-size:46px;
  line-height:1.06;
  letter-spacing:.3px;
}
.lead{
  color:#caddff;
  margin:0 0 18px;
  font-size:18px;
}
.hero-actions{display:flex; gap:12px; flex-wrap:wrap; margin-top:8px}
.hero-badges{margin-top:18px; display:flex; gap:10px; flex-wrap:wrap}
.badge{
  display:inline-flex; align-items:center; gap:8px;
  font-size:12.5px; color:#d1e6ff;
  padding:6px 10px; border-radius:999px;
  background:linear-gradient(180deg, #0f2b68, #0d265c);
  border:1px solid var(--line);
}

.hero-visual{
  display:flex; align-items:center; justify-content:center;
}
.hero-card{
  width:100%; max-width:360px;
  background:linear-gradient(180deg, #123472, #0e285e);
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:var(--shadow);
  padding:18px;
}
.hero-speed{
  display:flex; align-items:baseline; gap:6px;
}
.hero-speed .num{font-size:58px; font-weight:800; letter-spacing:.5px}
.hero-speed .unit{opacity:.8; font-weight:600}
.hero-label{color:#c1d8ff; margin-top:6px; font-size:14px}

.hero-wave{
  position:absolute; inset:auto 0 0 0; height:60px;
  background:
    radial-gradient(50% 180% at 50% -80%, transparent 50%, rgba(255,255,255,.06) 52%, transparent 55%),
    linear-gradient(180deg, transparent, rgba(255,255,255,.04));
  pointer-events:none;
}

/* Coverage */
.coverage-wrap{
  display:flex; flex-wrap:wrap; gap:10px; justify-content:center; margin:10px 0 6px;
}
.chip{
  display:inline-flex; align-items:center;
  padding:8px 12px; border-radius:999px;
  background:linear-gradient(180deg, #0f2b68, #0d265c);
  border:1px solid var(--line);
  color:#d7e6ff;
  font-weight:600; font-size:13px;
}
.coverage-selector{
  margin-top:16px;
  display:flex; gap:10px; align-items:center; justify-content:center; flex-wrap:wrap;
}
.coverage-selector label{color:var(--muted); font-weight:600}
.coverage-selector select{
  background:#0e285e; color:#dfeaff;
  border:1px solid #2b4f9a55; border-radius:10px;
  padding:10px 12px; min-width:160px;
}

/* Cards / Pricing */
.cards{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:18px;
  margin-top:14px;
}
.card{
  background:linear-gradient(180deg, var(--card), var(--card-2));
  border:1px solid var(--line);
  border-radius:16px;
  padding:18px;
  position:relative;
  box-shadow:0 8px 20px rgba(3,15,40,.25);
}
.card-highlight{
  outline:2px solid #31e0ff55;
  box-shadow:0 12px 28px rgba(34,209,238,.25), 0 8px 20px rgba(3,15,40,.35);
}
.card-ribbon{
  position:absolute; top:12px; right:-10px;
  background:linear-gradient(180deg, var(--cyan-400), #16b2cc);
  color:#04233c; font-weight:800; font-size:12px;
  padding:6px 10px; border-radius:10px;
  box-shadow:0 8px 18px rgba(34,209,238,.35);
}
.card-head{
  display:flex; align-items:center; justify-content:space-between; gap:8px;
}
.card-head h3{margin:0; font-size:20px}
.price{display:flex; align-items:baseline; gap:8px}
.price-amount{font-size:22px; font-weight:800}
.price-period{color:var(--muted); font-size:12px}
.speed{
  display:flex; align-items:baseline; gap:8px; margin:10px 0 6px;
}
.speed-num{font-size:44px; font-weight:800}
.speed-unit{opacity:.8; font-weight:700}
.features{
  margin:12px 0 16px; padding-left:18px; color:#d1e4ff; line-height:1.6;
}
.features li{margin:4px 0}
.terms{
  margin-top:24px;
  background:linear-gradient(180deg, #0e2a63, #0c2353);
  border:1px solid var(--line);
  border-radius:14px;
  padding:16px;
}
.terms h3{margin:0 0 8px}
.terms ul{margin:0; padding-left:18px; color:#c8dcff}

/* About */
.about{
  display:grid; grid-template-columns: 1.2fr .8fr; gap:20px; align-items:stretch;
}
.about-text p{color:#cfe2ff}
.bullets{margin:10px 0 0; padding-left:18px}
.bullets li{margin:6px 0}
.about-side{
  display:grid; grid-template-columns: repeat(3, 1fr); gap:10px;
}
.stat{
  background:linear-gradient(180deg, #123472, #0e285e);
  border:1px solid var(--line);
  border-radius:14px;
  text-align:center; padding:14px 10px;
}
.stat-num{font-size:20px; font-weight:800}
.stat-label{color:#b9cff7; font-size:12.5px}

/* Contact */
.contact{
  display:grid; grid-template-columns: 1.1fr .9fr; gap:18px;
}
.contact-card, .map-card{
  background:linear-gradient(180deg, #0f2b68, #0d265c);
  border:1px solid var(--line);
  border-radius:16px;
  padding:18px;
}
.addr, .phone{margin:0 0 10px}
.contact-actions{display:flex; gap:10px; flex-wrap:wrap; margin:10px 0 16px}
.tm-title{font-weight:800; margin:8px 0 8px}
.tm-list{margin:0; padding-left:18px}
.tm-list a{color:#d7f4ff; text-decoration:none}
.tm-list a:hover{text-decoration:underline}
.tm-note{color:#9dc6ff; font-size:12px; margin-left:6px}
.tm-info{color:#9fc0ff; font-size:12.5px}

.map-wrap{
  border-radius:12px; overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/10;
  background:#0d265c;
}
.map-wrap iframe{width:100%; height:100%; border:0}

/* Footer */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, #071C44, #071C44);
  padding:18px 0;
}
.footer-inner{
  display:flex; align-items:center; justify-content:space-between; gap:14px;
}
.footer-brand{display:flex; align-items:center; gap:12px}
.footer-links{display:flex; gap:14px; flex-wrap:wrap}
.footer-links a{color:#b4cdfa; text-decoration:none}
.footer-links a:hover{color:#e2eeff}
.copyright{color:#9fb3d1; font-size:12.5px}

/* Responsive */
@media (max-width: 992px){
  .hero-inner{grid-template-columns:1fr; gap:18px}
  .about{grid-template-columns:1fr}
  .contact{grid-template-columns:1fr}
}
@media (max-width: 860px){
  .cards{grid-template-columns: repeat(2, 1fr)}
}
@media (max-width: 720px){
  .header-inner{height:66px}
  .nav{display:none; position:absolute; top:64px; left:0; right:0; padding:12px 20px; background:#081D47; border-bottom:1px solid var(--line)}
  .nav.open{display:flex; flex-direction:column; gap:12px}
  .hamburger{display:block}
  .cta-wrap{display:none}
}
@media (max-width: 560px){
  .cards{grid-template-columns:1fr}
  .hero-copy h1{font-size:36px}
  .lead{font-size:16px}
}

/* Focus styles */
:focus-visible{
  outline:2px solid var(--cyan-300);
  outline-offset:2px;
  border-radius:10px;
}