:root {
  --bg: #0b1020;
  --bg2: #0e1630;
  --card: rgba(255, 255, 255, .06);
  --line: rgba(255, 255, 255, .10);
  --txt: #e8ecff;
  --muted: rgba(232, 236, 255, .70);
  --primary: #4f7cff;
  --primary2: #35d3ff;
  --shadow: 0 10px 30px rgba(0, 0, 0, .35);
  --r: 16px;
  --container: 1180px;
}

body {
  background: radial-gradient(1200px 600px at 20% 0%, rgba(79, 124, 255, .20), transparent 55%),
    radial-gradient(900px 500px at 80% 10%, rgba(53, 211, 255, .14), transparent 55%),
    var(--bg);
  color: var(--txt);
}

.u-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 18px;
}

.u-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
}

html.is-scrolled .u-header {
  background: rgba(11, 16, 32, .72);
  border-bottom-color: var(--line);
}

.u-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}

.u-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--txt);
}

.u-logo__mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

.u-logo__text {
  font-weight: 700;
  letter-spacing: .2px;
}

.u-nav {
  display: flex;
  gap: 18px;
  align-items: center;
}

.u-nav__a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}

.u-nav__a:hover {
  color: var(--txt);
}

.u-auth {
  display: flex;
  gap: 10px;
  align-items: center;
}

.u-burger {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--txt);
  border-radius: 10px;
  padding: 8px 10px;
}

.u-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--txt);
  font-weight: 700;
}

.u-btn--primary {
  border: none;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  color: #07101f;
}

.u-btn--ghost {
  background: rgba(255, 255, 255, .02);
}

.u-btn--lg {
  padding: 12px 18px;
  border-radius: 14px;
}

.u-main {
  min-height: 60vh;
}

.u-hero {
  padding: 56px 0 28px;
}

.u-hero__inner {
  display: grid;
  grid-template-columns: 1.25fr .9fr;
  gap: 22px;
  align-items: stretch;
}

.u-hero__title {
  font-size: 44px;
  line-height: 1.1;
  margin: 0 0 10px;
}

.u-hero__sub {
  margin: 0 0 18px;
  color: var(--muted);
}

.u-hero__cta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.u-hero__meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.u-pill {
  padding: 6px 10px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .03);
  border-radius: 999px;
  font-weight: 700;
  color: var(--muted);
}

.u-card {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: var(--r);
  box-shadow: var(--shadow);
}

.u-card--glow {
  box-shadow: 0 0 0 1px rgba(79, 124, 255, .18), 0 20px 60px rgba(0, 0, 0, .45);
}

.u-card__title {
  padding: 14px 16px;
  font-weight: 800;
  border-bottom: 1px solid var(--line);
}

.u-card__body {
  padding: 16px;
  color: var(--muted);
}

.u-skel {
  height: 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .08);
  margin-bottom: 10px;
}

.u-skel:nth-child(2) {
  width: 80%;
}

.u-skel:nth-child(3) {
  width: 60%;
  margin-bottom: 0;
}

.u-section {
  padding: 36px 0;
}

.u-section--cta {
  padding: 32px 0 52px;
}

.u-h2 {
  margin: 0 0 14px;
  font-size: 26px;
}

.u-muted {
  color: var(--muted);
  margin: 0;
}

.u-grid3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.u-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .03);
  border-radius: var(--r);
  padding: 18px;
}

.u-footer {
  border-top: 1px solid var(--line);
  padding: 26px 0;
  background: rgba(0, 0, 0, .15);
}

.u-footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.u-footer__right a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 12px;
  font-weight: 700;
}

.u-footer__right a:hover {
  color: var(--txt);
}

/* mobile */
@media (max-width: 900px) {
  .u-hero__inner {
    grid-template-columns: 1fr;
  }

  .u-grid3 {
    grid-template-columns: 1fr;
  }

  .u-burger {
    display: inline-flex;
  }

  .u-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 72px;
    padding: 12px 18px;
    background: rgba(11, 16, 32, .92);
    border-bottom: 1px solid var(--line);
  }

  .u-nav.is-open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
}