:root {
  --bg: #070b14;
  --bg-soft: #111b31;
  --card: rgba(17, 27, 47, 0.86);
  --stroke: rgba(125, 172, 235, 0.27);
  --text: #ecf4ff;
  --muted: #b8c9df;
  --accent: #2ec8ff;
  --accent-soft: #7ce9ff;
  --shadow: 0 18px 44px rgba(6, 11, 22, 0.5);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(1100px 700px at 12% -8%, rgba(25, 91, 171, 0.48), transparent 58%),
    radial-gradient(940px 620px at 88% 2%, rgba(17, 140, 199, 0.36), transparent 62%),
    var(--bg);
  color: var(--text);
  font-family: "Manrope", sans-serif;
}

a {
  color: inherit;
}

.wrapper {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(129, 176, 240, 0.21);
  background: rgba(8, 13, 24, 0.84);
}

.topbar-inner {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.brand {
  font-family: "Sora", sans-serif;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: 0.5px;
}

.brand small {
  color: var(--accent-soft);
}

.nav {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  color: var(--muted);
}

.nav a {
  text-decoration: none;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--accent-soft);
}

.hero {
  padding: 72px 0 34px;
}

.kicker {
  color: var(--accent-soft);
  letter-spacing: 1.7px;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  margin: 0;
}

h1 {
  margin: 10px 0 0;
  font-family: "Sora", sans-serif;
  font-size: clamp(30px, 5vw, 50px);
  line-height: 1.08;
}

.lead {
  margin: 14px 0 0;
  color: var(--muted);
  max-width: 760px;
  line-height: 1.6;
}

.grid {
  margin-top: 22px;
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  border: 1px solid var(--stroke);
  border-radius: 16px;
  padding: 16px;
  background: linear-gradient(170deg, var(--card), rgba(10, 17, 31, 0.92));
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 0;
  font-family: "Sora", sans-serif;
  font-size: 18px;
}

.card p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.56;
  font-size: 14px;
}

.card ul {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.card li {
  margin: 6px 0;
}

.btn-row {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 800;
}

.btn-primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-soft));
  color: #00111b;
}

.btn-secondary {
  border: 1px solid var(--stroke);
  background: rgba(20, 33, 58, 0.6);
}

.content {
  margin-top: 20px;
  padding-bottom: 60px;
}

.content h2 {
  margin: 28px 0 10px;
  font-family: "Sora", sans-serif;
  font-size: clamp(22px, 3.4vw, 34px);
}

.content p {
  color: var(--muted);
  line-height: 1.62;
}

.content strong {
  color: var(--text);
}

.list {
  display: grid;
  gap: 10px;
  margin: 14px 0;
}

.list .item {
  border: 1px solid var(--stroke);
  border-radius: 13px;
  padding: 14px;
  background: rgba(12, 21, 38, 0.78);
}

.split {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.post-list {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.post {
  text-decoration: none;
}

.post .meta {
  color: var(--accent-soft);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.post h3 {
  margin-top: 6px;
}

.footer {
  margin: 20px auto 34px;
  width: min(980px, calc(100% - 32px));
  border-top: 1px solid rgba(123, 170, 235, 0.2);
  padding-top: 14px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 900px) {
  .grid,
  .split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .nav {
    display: none;
  }

  .hero {
    padding-top: 54px;
  }
}