:root {
  --bg: #071228;
  --bg-soft: #0d1d3e;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-strong: rgba(255, 255, 255, 0.1);
  --text: #f8fbff;
  --muted: #aebbd2;
  --accent: #6ea8ff;
  --accent-strong: #8fc0ff;
  --line: rgba(255, 255, 255, 0.12);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 10%, rgba(68, 124, 255, 0.18), transparent 35%),
    radial-gradient(circle at 85% 20%, rgba(85, 178, 255, 0.12), transparent 30%),
    var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
.page-shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  color: #06132e;
  background: linear-gradient(135deg, #d8e9ff, #70a9ff);
  font-weight: 900;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.65);
}

.brand strong { display: block; letter-spacing: .04em; font-size: 1.05rem; }
.brand small { display: block; color: var(--muted); margin-top: 1px; }

.zenphever-link {
  color: var(--muted);
  text-decoration: none;
  font-size: .92rem;
}
.zenphever-link:hover { color: var(--text); }

.hero {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 56px;
  align-items: center;
  min-height: 66vh;
  padding: 70px 0 90px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-strong);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(2.6rem, 6vw, 5.7rem);
  line-height: .98;
  letter-spacing: -.055em;
}

h2 {
  margin: 0;
  font-size: clamp(1.9rem, 3.7vw, 3.3rem);
  line-height: 1.05;
  letter-spacing: -.035em;
}

h3 { margin: 0 0 10px; font-size: 1.1rem; }

.lead {
  max-width: 720px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.8vw, 1.28rem);
  line-height: 1.65;
}

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  font-weight: 700;
  text-decoration: none;
}
.button-primary { background: var(--text); color: #071228; }
.button-secondary { border: 1px solid var(--line); background: rgba(255,255,255,.03); }
.button-secondary:hover { background: rgba(255,255,255,.08); }
.microcopy { color: #7f8daa; font-size: .9rem; margin: 14px 0 0; }

.hero-card {
  position: relative;
  overflow: hidden;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: linear-gradient(145deg, rgba(255,255,255,.10), rgba(255,255,255,.035));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}
.hero-card::before {
  content: "";
  position: absolute;
  inset: -30% auto auto 45%;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(74, 139, 255, .18);
  filter: blur(18px);
}
.card-topline {
  position: relative;
  display: flex;
  align-items: center;
  gap: 9px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  font-weight: 800;
}
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: #73e2a7; box-shadow: 0 0 0 5px rgba(115,226,167,.12); }
.card-muted { margin-left: auto; color: var(--muted); font-size: .82rem; font-weight: 600; }
.metric-grid { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 18px; }
.metric-grid article { padding: 19px; min-height: 142px; border-radius: 18px; background: rgba(4, 13, 31, .54); border: 1px solid rgba(255,255,255,.07); }
.metric-label { display: block; color: var(--muted); font-size: .82rem; }
.metric-grid strong { display: block; margin-top: 24px; font-size: 1.45rem; letter-spacing: -.025em; }
.metric-grid small { display: block; margin-top: 5px; color: var(--muted); line-height: 1.35; }

.features { padding: 95px 0; border-top: 1px solid var(--line); }
.section-heading { max-width: 720px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 40px; }
.feature-grid article { padding: 26px; border: 1px solid var(--line); border-radius: 20px; background: var(--panel); }
.feature-grid p { margin: 0; color: var(--muted); line-height: 1.65; }

.ecosystem {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 60px;
  align-items: start;
  margin: 0 0 92px;
  padding: 46px;
  border-radius: 26px;
  background: linear-gradient(135deg, rgba(110,168,255,.14), rgba(255,255,255,.035));
  border: 1px solid var(--line);
}
.ecosystem p:last-child { margin: 0; color: var(--muted); font-size: 1.05rem; line-height: 1.75; }

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 0 34px;
  border-top: 1px solid var(--line);
  color: #8190ad;
  font-size: .9rem;
}

@media (max-width: 820px) {
  .page-shell { width: min(100% - 28px, 720px); }
  .site-header { padding: 20px 0; }
  .zenphever-link { display: none; }
  .hero { grid-template-columns: 1fr; gap: 38px; min-height: auto; padding: 55px 0 70px; }
  h1 { font-size: clamp(2.65rem, 12vw, 4.5rem); }
  .feature-grid { grid-template-columns: 1fr; }
  .ecosystem { grid-template-columns: 1fr; gap: 22px; padding: 28px; }
}

@media (max-width: 520px) {
  .metric-grid { grid-template-columns: 1fr; }
  .hero-card { padding: 16px; border-radius: 22px; }
  .card-muted { display: none; }
  .site-footer { flex-direction: column; }
  .actions { flex-direction: column; }
  .button { width: 100%; }
}