:root {
  --bg: #071629;
  --bg-soft: #0b213c;
  --card: rgba(255,255,255,.08);
  --card-strong: rgba(255,255,255,.13);
  --text: #f7fbff;
  --muted: #b7c7da;
  --blue: #0ea5ff;
  --blue-dark: #075ba7;
  --gold: #f6b43b;
  --gold-dark: #d98806;
  --line: rgba(255,255,255,.13);
  --shadow: 0 24px 60px rgba(0,0,0,.35);
  --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(14,165,255,.35), transparent 34rem),
    radial-gradient(circle at 85% 10%, rgba(246,180,59,.24), transparent 30rem),
    var(--bg);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; }

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(7, 22, 41, .76);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand, .footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: .02em;
}

.brand img { width: 54px; height: 54px; object-fit: contain; }
.brand small {
  display: block;
  color: var(--gold);
  font-weight: 600;
  margin-top: -4px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: .95rem;
}
.nav a:hover { color: var(--text); }

.section { padding: 90px 0; }
.hero { padding-top: 78px; }

.hero-grid, .split {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 56px;
  align-items: center;
}

.reverse { grid-template-columns: .9fr 1.1fr; }

.eyebrow {
  color: var(--gold);
  text-transform: uppercase;
  font-size: .8rem;
  letter-spacing: .18em;
  font-weight: 800;
  margin: 0 0 14px;
}

h1, h2, h3 { line-height: 1.08; margin: 0; }
h1 { font-size: clamp(2.4rem, 6vw, 5rem); letter-spacing: -.055em; }
h2 { font-size: clamp(2rem, 4vw, 3.4rem); letter-spacing: -.045em; }
h3 { font-size: 1.25rem; }

.hero-text, .section-title p, .split p, .cta-box p {
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin: 34px 0 26px;
}

.btn {
  border: 0;
  border-radius: 999px;
  padding: 14px 22px;
  cursor: pointer;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: #08111f;
  background: linear-gradient(135deg, var(--gold), #ffd77a);
  box-shadow: 0 16px 38px rgba(246,180,59,.28);
}
.btn-secondary {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.08);
}
.btn-small { padding: 10px 16px; font-size: .9rem; background: var(--blue); color: white; }
.btn-large { padding: 16px 28px; font-size: 1.05rem; }

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.trust-row span, .permission-list span {
  border: 1px solid var(--line);
  background: rgba(255,255,255,.07);
  color: var(--muted);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: .9rem;
}

.hero-card, .phone-card, .security-card, .cta-box {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.06));
  box-shadow: var(--shadow);
  border-radius: var(--radius);
}

.hero-card {
  padding: 34px;
  text-align: center;
}
.hero-logo {
  width: min(380px, 90%);
  margin: 0 auto 22px;
  filter: drop-shadow(0 18px 40px rgba(14,165,255,.25));
}
.dashboard-preview {
  display: grid;
  gap: 14px;
  text-align: left;
}
.metric {
  padding: 18px;
  border-radius: 20px;
  background: var(--card);
  border: 1px solid var(--line);
}
.metric strong { display: block; font-size: 1rem; }
.metric span { color: var(--muted); font-size: .93rem; }

.section-soft {
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.015));
  border-block: 1px solid rgba(255,255,255,.08);
}
.section-title {
  max-width: 720px;
  margin-bottom: 36px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.feature-card {
  padding: 24px;
  border-radius: 24px;
  background: var(--card);
  border: 1px solid var(--line);
  min-height: 245px;
}
.feature-card p { color: var(--muted); margin-bottom: 0; }
.icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: rgba(14,165,255,.16);
  margin-bottom: 18px;
  font-size: 1.45rem;
}

.check-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  color: var(--muted);
}
.check-list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 12px;
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--gold);
  font-weight: 900;
}

.phone-card {
  max-width: 390px;
  margin: 0 auto;
  padding: 22px;
  background:
    linear-gradient(180deg, rgba(14,165,255,.16), rgba(255,255,255,.07));
}
.phone-top {
  width: 90px;
  height: 6px;
  border-radius: 999px;
  background: rgba(255,255,255,.25);
  margin: 0 auto 24px;
}
.chat-line {
  padding: 12px 14px;
  border-radius: 18px;
  margin-bottom: 12px;
  max-width: 82%;
  font-size: .95rem;
}
.received { background: rgba(255,255,255,.13); }
.sent {
  margin-left: auto;
  background: rgba(14,165,255,.45);
}
.file { border: 1px solid rgba(246,180,59,.45); }
.chat-input {
  margin-top: 22px;
  padding: 14px 16px;
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255,255,255,.1);
  border: 1px solid var(--line);
}

.security-card { padding: 30px; }
.security-card p { color: var(--muted); }
.permission-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }

.cta-section { padding-top: 74px; }
.cta-box {
  padding: clamp(34px, 7vw, 70px);
  text-align: center;
  background:
    radial-gradient(circle at top left, rgba(246,180,59,.22), transparent 26rem),
    linear-gradient(180deg, rgba(255,255,255,.13), rgba(255,255,255,.06));
}
.cta-box p { max-width: 760px; margin: 18px auto 28px; }
.cta-note {
  display: block;
  margin-top: 14px;
  color: var(--muted);
}
code {
  color: #fff;
  background: rgba(255,255,255,.12);
  padding: 2px 6px;
  border-radius: 8px;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
  color: var(--muted);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
}
.footer-brand img { width: 40px; height: 40px; object-fit: contain; }

@media (max-width: 920px) {
  .nav a { display: none; }
  .hero-grid, .split, .reverse { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .section { padding: 64px 0; }
  .brand span { display: none; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: auto; }
  .footer-inner { flex-direction: column; text-align: center; }
  .hero-actions .btn { width: 100%; }
}