:root {
  --bg: #061321;
  --bg2: #081a2d;
  --card: rgba(16, 32, 52, 0.84);
  --line: rgba(126, 170, 210, 0.25);
  --text: #eaf4ff;
  --muted: #a9bfd7;
  --accent: #7de5d2;
  --accent2: #8fd4ff;
  --shadow: 0 22px 52px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  background:
    radial-gradient(1000px 520px at 85% 0%, rgba(141, 212, 255, 0.16), transparent 58%),
    radial-gradient(900px 560px at 10% 95%, rgba(125, 229, 210, 0.12), transparent 60%),
    linear-gradient(160deg, #05101a 0%, var(--bg) 45%, var(--bg2) 100%);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

a {
  color: var(--accent2);
}

.site-shell {
  width: min(1060px, calc(100% - 2rem));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(4, 10, 18, 0.84);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  text-decoration: none;
}

.brand img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.brand strong {
  display: block;
  letter-spacing: 0.01em;
}

.brand span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
}

.top-links {
  display: inline-flex;
  gap: 0.9rem;
  align-items: center;
}

.top-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.top-links a.cta {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  color: var(--text);
}

.page-main {
  padding: 3rem 0 4.2rem;
}

.hero {
  background: linear-gradient(160deg, rgba(10, 25, 42, 0.9), rgba(8, 22, 38, 0.9));
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: clamp(1.2rem, 3vw, 2.2rem);
  box-shadow: var(--shadow);
}

.crumbs {
  margin: 0 0 0.9rem;
  color: var(--muted);
  font-size: 0.83rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.hero p {
  margin: 1rem 0 0;
  max-width: 760px;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-actions {
  margin-top: 1.4rem;
  display: inline-flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.6rem 1rem;
  border: 1px solid var(--line);
  text-decoration: none;
  font-weight: 600;
}

.btn.primary {
  color: #03111d;
  background: linear-gradient(120deg, var(--accent), var(--accent2));
  border-color: transparent;
}

.btn.ghost {
  color: var(--text);
}

.section {
  margin-top: 1.3rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: clamp(1rem, 2.4vw, 1.5rem);
}

.section h2 {
  margin: 0 0 0.9rem;
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
}

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

.grid {
  margin-top: 1rem;
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  background: rgba(9, 19, 32, 0.8);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.9rem;
}

.card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.02rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.card ul {
  margin: 0.65rem 0 0;
  padding-left: 1rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.footnote {
  margin-top: 1.2rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
  padding: 1rem 0 2rem;
}

@media (max-width: 760px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .topbar-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .top-links {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}