:root {
  --bg: #0b1020;
  --bg-2: #0d1430;
  --text: #eef2ff;
  --muted: #b2bddf;
  --card: rgba(255, 255, 255, 0.04);
  --card-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.12);
  --primary: #99a3ff;
  --primary-2: #7c88ff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 0%, rgba(124, 136, 255, 0.2), transparent 36%),
    radial-gradient(circle at 80% 10%, rgba(255, 216, 92, 0.08), transparent 26%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 50%, var(--bg) 100%);
}

a {
  color: inherit;
}

.container {
  width: min(1040px, calc(100% - 36px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(to bottom, rgba(10, 15, 31, 0.94), rgba(10, 15, 31, 0.56));
  backdrop-filter: blur(14px);
}

.topbar-inner {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.topnav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
}

.topnav a[aria-current="page"] {
  color: var(--text);
}

main {
  padding: 44px 0 72px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 16px;
}

.breadcrumb a {
  text-decoration: none;
  color: #dbe2ff;
}

.breadcrumb-current {
  color: var(--text);
}

.hero {
  padding: 30px;
  border-radius: 24px;
  background: linear-gradient(180deg, var(--card-2), var(--card));
  border: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.34);
}

.hero-top {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.hero-logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
}

.hero-kicker {
  font-size: 14px;
  color: #dce3ff;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.05);
  padding: 6px 10px;
  border-radius: 999px;
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(34px, 6vw, 54px);
  line-height: 1.02;
  letter-spacing: -0.035em;
}

.lead {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
  max-width: 70ch;
}

.cta-row {
  margin-top: 18px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-visual {
  margin-top: 20px;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.02);
}

.hero-visual img {
  display: block;
  width: 100%;
  height: auto;
}

.hero-visual-caption {
  margin: 0;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--muted);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.02);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 700;
  border-radius: 12px;
  padding: 12px 16px;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(180deg, var(--primary), var(--primary-2));
  color: #081123;
}

.btn-secondary {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.section {
  margin-top: 22px;
  padding: 26px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

h2 {
  margin: 0 0 10px;
  font-size: clamp(24px, 4vw, 32px);
  letter-spacing: -0.02em;
}

h3 {
  margin: 0 0 8px;
  font-size: 20px;
  letter-spacing: -0.02em;
}

p,
li {
  color: var(--muted);
  line-height: 1.7;
  font-size: 16px;
}

ul {
  margin: 12px 0 0;
  padding-left: 18px;
}

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

.card {
  padding: 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.related-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.related-links a {
  text-decoration: none;
  color: #dbe2ff;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 14px;
}

footer {
  margin-top: 28px;
  padding: 20px 0 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--muted);
  font-size: 14px;
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(180px, 1fr));
  gap: 16px 22px;
}

.footer-title {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #dce3ff;
  margin-bottom: 8px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
}

.footer-links a {
  color: #dbe2ff;
  text-decoration: none;
}

.footer-links a:hover {
  color: #f3f6ff;
}

@media (max-width: 800px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .footer-columns {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .topbar {
    position: static;
  }

  .hero,
  .section {
    padding: 20px;
  }

  .lead {
    font-size: 17px;
  }

  .topnav {
    display: none;
  }
}