:root {
  --zl: #0C9EE9;
  --zl-deep: #0877C9;
  --zl-light: #7FD3FF;
  --zl-soft: rgba(12, 158, 233, 0.12);
  --bg: #060C17;
  --bg-2: #0A1322;
  --panel: rgba(255, 255, 255, 0.035);
  --line: rgba(255, 255, 255, 0.08);
  --text: #EEF5FC;
  --muted: #93A4B9;
  --max: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(6, 12, 23, 0.72);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; letter-spacing: -0.3px; }
.logo img { width: 32px; height: 32px; }
.nav-links { display: flex; align-items: center; gap: 28px; font-size: 14.5px; color: var(--muted); }
.nav-links a:hover { color: var(--text); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  height: 46px; padding: 0 22px; border-radius: 999px;
  font-weight: 650; font-size: 15px;
  transition: transform 0.15s ease, filter 0.2s ease, background 0.2s ease;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #22B2F4, var(--zl) 45%, var(--zl-deep));
  box-shadow: 0 10px 30px rgba(12, 158, 233, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { border: 1px solid var(--line); background: var(--panel); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.07); }
.btn.small { height: 38px; padding: 0 16px; font-size: 14px; }

/* Hero */
.hero {
  position: relative; overflow: hidden;
  padding: 84px 0 40px;
  background:
    radial-gradient(60% 50% at 80% 0%, rgba(12, 158, 233, 0.28), transparent 70%),
    radial-gradient(50% 40% at 0% 30%, rgba(8, 119, 201, 0.18), transparent 70%);
}
.hero-copy { max-width: 720px; margin: 0 auto; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 700; letter-spacing: 1.4px; text-transform: uppercase;
  color: var(--zl-light);
  padding: 7px 14px; border-radius: 999px;
  background: var(--zl-soft); border: 1px solid rgba(12, 158, 233, 0.32);
}
.eyebrow i { width: 7px; height: 7px; border-radius: 50%; background: var(--zl); box-shadow: 0 0 10px var(--zl); }
h1 {
  font-size: clamp(38px, 6vw, 64px); line-height: 1.05; font-weight: 800; letter-spacing: -2px;
  margin: 22px 0 18px;
}
.grad { background: linear-gradient(90deg, #4CC8FA, var(--zl)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(16.5px, 2vw, 19px); color: var(--muted); max-width: 600px; margin: 0 auto; }
.hero-cta { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin: 32px 0 14px; }
.note { font-size: 13px; color: var(--muted); }

.hero-shot {
  margin: 56px auto 0; max-width: 980px;
  border-radius: 18px; overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 50px 120px rgba(0, 0, 0, 0.6), 0 0 0 8px rgba(255, 255, 255, 0.025), 0 0 100px rgba(12, 158, 233, 0.18);
}

/* Sections */
section { padding: 96px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 52px; }
h2 { font-size: clamp(30px, 4vw, 42px); line-height: 1.12; font-weight: 800; letter-spacing: -1.2px; margin: 16px 0 12px; }
.section-head p { color: var(--muted); font-size: 17px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step {
  padding: 28px; border-radius: 18px;
  background: var(--panel); border: 1px solid var(--line);
}
.step-num {
  width: 38px; height: 38px; border-radius: 12px;
  display: grid; place-items: center;
  font-weight: 800; color: #fff;
  background: linear-gradient(135deg, #22B2F4, var(--zl-deep));
  box-shadow: 0 6px 18px rgba(12, 158, 233, 0.35);
  margin-bottom: 18px;
}
.step h3 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.step p { color: var(--muted); font-size: 15px; }
kbd {
  font-family: inherit; font-size: 12.5px; font-weight: 650;
  padding: 2px 7px; border-radius: 6px;
  background: rgba(255, 255, 255, 0.08); border: 1px solid var(--line);
}

/* Split */
.split { display: grid; grid-template-columns: 1fr 1.25fr; gap: 56px; align-items: center; }
.split.reverse { grid-template-columns: 1.25fr 1fr; }
.split.reverse .split-copy { order: 2; }
.split-copy h2 { text-align: left; }
.split-copy p { color: var(--muted); font-size: 17px; margin-bottom: 20px; }
.checks { list-style: none; display: grid; gap: 12px; }
.checks li { display: flex; gap: 12px; align-items: flex-start; font-size: 15.5px; }
.checks svg { flex: none; width: 22px; height: 22px; margin-top: 1px; color: var(--zl); }
.frame {
  border-radius: 16px; overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5), 0 0 70px rgba(12, 158, 233, 0.14);
}
.frame.popup { max-width: 340px; margin: 0 auto; border-radius: 22px; }

/* Features */
.alt { background: linear-gradient(180deg, transparent, var(--bg-2) 20%, var(--bg-2) 80%, transparent); }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature {
  padding: 26px; border-radius: 18px;
  background: var(--panel); border: 1px solid var(--line);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.feature:hover { border-color: rgba(12, 158, 233, 0.4); transform: translateY(-3px); }
.feature .ic {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: var(--zl-soft); color: var(--zl); margin-bottom: 16px;
}
.feature .ic svg { width: 21px; height: 21px; }
.feature h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.feature p { color: var(--muted); font-size: 14.5px; }

/* Use cases */
.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; max-width: 820px; margin: 0 auto; }
.chip {
  padding: 10px 18px; border-radius: 999px; font-size: 15px; font-weight: 550;
  background: var(--panel); border: 1px solid var(--line);
}

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; display: grid; gap: 12px; }
details {
  border-radius: 16px; background: var(--panel); border: 1px solid var(--line);
  padding: 0 22px;
}
details[open] { border-color: rgba(12, 158, 233, 0.35); }
summary {
  cursor: pointer; list-style: none;
  padding: 20px 0; font-weight: 650; font-size: 16px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 22px; font-weight: 400; color: var(--zl); transition: transform 0.2s ease; }
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--muted); padding-bottom: 20px; font-size: 15px; }

/* CTA */
.cta-box {
  text-align: center; padding: 64px 28px; border-radius: 28px;
  background:
    radial-gradient(70% 90% at 50% 0%, rgba(12, 158, 233, 0.35), transparent 70%),
    var(--bg-2);
  border: 1px solid rgba(12, 158, 233, 0.25);
}
.cta-box img { width: 64px; height: 64px; margin: 0 auto 20px; filter: drop-shadow(0 10px 24px rgba(12, 158, 233, 0.55)); }
.cta-box p { color: var(--muted); font-size: 17px; max-width: 520px; margin: 0 auto 28px; }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 36px 0 44px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 18px; justify-content: space-between; align-items: center; }
footer .links { display: flex; flex-wrap: wrap; gap: 22px; }
footer a:hover { color: var(--text); }
.fine { width: 100%; font-size: 12.5px; opacity: 0.8; }

/* Privacy page */
.doc { max-width: 760px; margin: 0 auto; padding: 72px 24px 96px; }
.doc h1 { font-size: clamp(34px, 5vw, 48px); margin: 18px 0 8px; }
.doc .updated { color: var(--muted); margin-bottom: 36px; }
.doc h2 { font-size: 22px; letter-spacing: -0.3px; margin: 36px 0 10px; }
.doc p, .doc li { color: #C3D0DE; font-size: 16px; }
.doc ul { padding-left: 22px; display: grid; gap: 8px; margin-top: 8px; }
.doc a { color: var(--zl-light); text-decoration: underline; text-underline-offset: 3px; }
.summary-card {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 18px 20px; border-radius: 16px;
  background: var(--zl-soft); border: 1px solid rgba(12, 158, 233, 0.32);
}
.summary-card svg { flex: none; width: 24px; height: 24px; color: var(--zl); margin-top: 2px; }
.summary-card p { color: var(--text); }

/* Responsive */
@media (max-width: 900px) {
  .steps, .features { grid-template-columns: 1fr 1fr; }
  .split, .split.reverse { grid-template-columns: 1fr; gap: 36px; }
  .split.reverse .split-copy { order: 0; }
}
@media (max-width: 640px) {
  .nav-links a:not(.btn) { display: none; }
  .steps, .features { grid-template-columns: 1fr; }
  section { padding: 72px 0; }
  .hero { padding-top: 56px; }
  .hero-shot { margin-top: 40px; border-radius: 12px; }
  footer .wrap { flex-direction: column; align-items: flex-start; }
}