:root {
  --bg: #0b1220;
  --card: #0f1a2b;
  --soft: #15233a;
  --line: #1f2b44;
  --text: #e6eefc;
  --muted: #a5b4cf;
  --brand: #24c8a5;
  --brand2: #2ea0ff;
  --ok: #22c55e;
  --bad: #ef4444;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --radius: 16px;
}
* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  background: radial-gradient(
      1200px 600px at 10% -10%,
      rgba(36, 200, 165, 0.15),
      transparent
    ),
    radial-gradient(
      800px 400px at 90% -10%,
      rgba(46, 160, 255, 0.15),
      transparent
    ),
    var(--bg);
  color: var(--text);
  font: 400 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, Inter, Ubuntu,
    "Helvetica Neue", Arial;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a {
  color: var(--brand2);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.wrap {
  max-width: 1120px;
  margin-inline: auto;
  padding: 24px;
}
header.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(180%) blur(8px);
  background: rgba(10, 16, 28, 0.65);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.2px;
}
.logo-badge {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  box-shadow: var(--shadow);
}
.nav-cta {
  display: flex;
  gap: 10px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: var(--soft);
  color: var(--text);
}
.btn:hover {
  filter: brightness(1.08);
}
.btn--ghost {
  background: transparent;
  border-color: var(--line);
}
.btn--brand {
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  color: #04121a;
  font-weight: 700;
}
.btn--lg {
  padding: 14px 22px;
  border-radius: 12px;
  font-size: 17px;
}

.tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(36, 200, 165, 0.12);
  color: #abf2e2;
  border: 1px solid rgba(36, 200, 165, 0.35);
  font-size: 12px;
  letter-spacing: 0.3px;
}

.hero {
  padding: 56px 0 24px;
}
.h1 {
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.12;
  margin: 10px 0 12px;
  font-weight: 800;
}
.text-gradient {
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  color: var(--muted);
  font-size: clamp(16px, 2.2vw, 18px);
  max-width: 720px;
}
.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.hero-card {
  margin-top: 28px;
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.02),
    rgba(255, 255, 255, 0)
  );
}
@media (min-width: 900px) {
  .hero-card {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
  }
}

.illus {
  aspect-ratio: 16/10;
  border-radius: 14px;
  background: radial-gradient(
      400px 200px at 20% 20%,
      rgba(36, 200, 165, 0.25),
      transparent
    ),
    radial-gradient(
      400px 220px at 80% 30%,
      rgba(46, 160, 255, 0.25),
      transparent
    ),
    linear-gradient(180deg, #0c1526, #0a1321);
  border: 1px solid var(--line);
  position: relative;
  box-shadow: var(--shadow);
}
.illus:before,
.illus:after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: conic-gradient(
    from 180deg at 50% 50%,
    rgba(255, 255, 255, 0.08),
    transparent 30%,
    rgba(255, 255, 255, 0.08) 60%,
    transparent 100%
  );
  mix-blend-mode: overlay;
  opacity: 0.5;
}

section {
  padding: 32px 0;
}
.grid {
  display: grid;
  gap: 16px;
}
@media (min-width: 900px) {
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (min-width: 900px) {
  .grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
h2 {
  font-size: clamp(22px, 3.6vw, 30px);
  margin: 0 0 14px;
}
h3 {
  font-size: 18px;
  margin: 0 0 6px;
}
.muted {
  color: var(--muted);
}
.kpi {
  display: flex;
  align-items: center;
  gap: 10px;
}
.kpi .dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--brand);
}
.list {
  padding-left: 18px;
  margin: 8px 0 0;
}
.list li {
  margin: 4px 0;
}

.faq details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  margin: 10px 0;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq p {
  margin: 8px 0 0;
}

footer {
  border-top: 1px solid var(--line);
  padding: 24px 0;
  color: var(--muted);
}

/* utilities */
.center {
  text-align: center;
}
.spaced {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.block {
  display: block;
}
.mt-6 {
  margin-top: 6px;
}
.mt-14 {
  margin-top: 14px;
}