:root {
  --bg: #0b1220;
  --bg2: #111a2e;
  --bg3: #1a2540;
  --line: #26334d;
  --txt: #e8eefb;
  --muted: #93a2c0;
  --acc: #2563eb;
  --acc2: #38bdf8;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  background:
    radial-gradient(1000px 500px at 80% -10%, rgba(56, 189, 248, 0.14), transparent 60%),
    radial-gradient(800px 420px at 10% 0%, rgba(37, 99, 235, 0.18), transparent 55%),
    var(--bg);
  color: var(--txt);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--acc2); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 34px;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
}
.logo {
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.4px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo .dot {
  width: 12px;
  height: 12px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--acc2), var(--acc));
  box-shadow: 0 0 14px rgba(56, 189, 248, 0.7);
}
.nav-links { display: flex; gap: 10px; align-items: center; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  padding: 8px 14px;
  border-radius: 9px;
}
.nav-links a:hover { background: var(--bg3); color: var(--txt); }

.btn {
  display: inline-block;
  border: 0;
  cursor: pointer;
  text-decoration: none;
  border-radius: 10px;
  padding: 12px 22px;
  font-size: 15px;
  font-weight: 600;
  transition: transform 0.12s ease, filter 0.12s ease;
}
.btn:hover { transform: translateY(-2px); filter: brightness(1.1); }
.btn.primary { background: linear-gradient(135deg, #2563eb, #1d4ed8); color: #fff; }
.btn.ghost { background: transparent; border: 1px solid var(--line); color: var(--txt); }
.btn.small { padding: 9px 16px; font-size: 14px; }

.hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 70px 24px 50px;
}
.pill {
  font-size: 12.5px;
  color: var(--acc2);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.35);
  padding: 6px 14px;
  border-radius: 30px;
  margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(36px, 6vw, 62px);
  margin: 0 0 16px;
  line-height: 1.05;
  letter-spacing: -1.2px;
}
.hero h1 span {
  background: linear-gradient(120deg, var(--acc2), #818cf8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p {
  color: var(--muted);
  font-size: 17px;
  max-width: 640px;
  line-height: 1.6;
  margin: 0 0 32px;
}
.cta { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
  padding: 20px 34px 70px;
  max-width: 1120px;
  margin: 0 auto;
  width: 100%;
}
.feature {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
}
.feature .ico {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(37, 99, 235, 0.18);
  border: 1px solid rgba(56, 189, 248, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 14px;
}
.feature h3 { margin: 0 0 8px; font-size: 16px; }
.feature p { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.55; }

.footer {
  border-top: 1px solid var(--line);
  padding: 20px 34px;
  color: var(--muted);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .nav { padding: 14px 18px; }
  .nav-links a.hide-mobile { display: none; }
}