:root{
  --navy:#071B3A;
  --blue:#0B63CE;
  --green:#13B87A;
  --lime:#8CE65D;
  --text:#102033;
  --muted:#617083;
  --bg:#F5F8FC;
  --card:#FFFFFF;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
}
a{color:inherit}
.hero{
  min-height:72vh;
  color:white;
  background:
    radial-gradient(circle at 85% 20%, rgba(140,230,93,.28), transparent 28%),
    radial-gradient(circle at 15% 80%, rgba(38,132,255,.35), transparent 30%),
    linear-gradient(135deg,var(--navy),var(--blue) 52%,var(--green));
  padding:28px 20px 70px;
}
.nav{
  max-width:1120px;
  margin:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{font-weight:900;letter-spacing:.8px;font-size:22px}
.nav-links{display:flex;gap:18px;flex-wrap:wrap}
.nav-links a{text-decoration:none;opacity:.92;font-weight:700}
.hero-content{
  max-width:1120px;
  margin:90px auto 0;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:44px;
  align-items:center;
}
.eyebrow{
  display:inline-block;
  padding:7px 12px;
  border:1px solid rgba(255,255,255,.3);
  border-radius:999px;
  background:rgba(255,255,255,.10);
  font-weight:800;
}
h1{font-size:clamp(42px,7vw,78px);line-height:1.02;margin:20px 0}
.hero p{font-size:20px;max-width:680px;color:rgba(255,255,255,.9)}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{
  display:inline-block;
  text-decoration:none;
  padding:13px 19px;
  border-radius:14px;
  font-weight:900;
}
.btn-primary{background:white;color:var(--navy)}
.btn-secondary{border:1px solid rgba(255,255,255,.45);background:rgba(255,255,255,.08)}
.phone{
  background:linear-gradient(180deg,#ffffff,#e9eef5);
  border:10px solid #111927;
  border-radius:42px;
  padding:20px;
  box-shadow:0 28px 80px rgba(0,0,0,.32);
  transform:rotate(2deg);
}
.phone-screen{
  min-height:460px;
  border-radius:28px;
  padding:24px;
  color:var(--text);
  background:linear-gradient(145deg,#eef7ff,#ffffff 55%,#eafff4);
}
.phone-card{
  background:white;
  border-radius:22px;
  padding:18px;
  box-shadow:0 12px 30px rgba(11,43,85,.12);
  margin-bottom:14px;
}
main{max-width:1120px;margin:auto;padding:70px 20px}
.section-title{text-align:center;max-width:720px;margin:0 auto 40px}
.section-title h2{font-size:38px;margin:0 0 10px}
.section-title p{color:var(--muted)}
.grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}
.card{
  background:var(--card);
  border-radius:22px;
  padding:26px;
  box-shadow:0 12px 34px rgba(24,53,91,.08);
  border:1px solid #e8eef6;
}
.card h3{margin:10px 0 8px}
.icon{
  width:48px;height:48px;border-radius:14px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--blue),var(--green));
  color:white;font-size:24px;font-weight:900;
}
.support-wrap{
  max-width:860px;
  margin:40px auto;
  padding:0 20px;
}
.support-header{
  color:white;
  padding:56px 26px;
  border-radius:28px;
  background:linear-gradient(135deg,var(--navy),var(--blue),var(--green));
  box-shadow:0 18px 44px rgba(7,27,58,.18);
}
.support-card{
  background:white;
  padding:28px;
  border-radius:22px;
  margin-top:20px;
  border:1px solid #e3eaf3;
  box-shadow:0 12px 30px rgba(24,53,91,.07);
}
details{
  background:white;
  border:1px solid #e5ebf3;
  border-radius:16px;
  padding:16px 18px;
  margin:10px 0;
}
summary{cursor:pointer;font-weight:850}
footer{
  padding:34px 20px;
  text-align:center;
  color:#6d7887;
  border-top:1px solid #e3e9f1;
}
.small{font-size:14px;color:var(--muted)}
@media(max-width:800px){
  .hero-content{grid-template-columns:1fr;margin-top:58px}
  .phone{max-width:480px;margin:auto;transform:none}
  .grid{grid-template-columns:1fr}
  .nav{align-items:flex-start}
  .nav-links{justify-content:flex-end}
}