:root {
  color-scheme: dark;
  --bg: #090b12;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-strong: rgba(255, 255, 255, 0.14);
  --text: #f7f8ff;
  --muted: #b9c0d4;
  --accent: #8df6d6;
  --accent-strong: #55d7ff;
  --line: rgba(255, 255, 255, 0.16);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 18% 12%, rgba(85, 215, 255, 0.24), transparent 28rem),
    radial-gradient(circle at 82% 8%, rgba(141, 246, 214, 0.16), transparent 24rem),
    linear-gradient(135deg, #090b12 0%, #111827 52%, #080a11 100%);
  color: var(--text);
}

a { color: inherit; }

.shell {
  width: min(1120px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  place-items: center;
  padding: 48px 0;
}

.card {
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 32px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.05));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 32px;
  padding: clamp(28px, 6vw, 64px);
}

.loading-card { padding: 48px; }

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(2.75rem, 8vw, 6.8rem);
  line-height: 0.9;
  letter-spacing: -0.08em;
}

.description {
  max-width: 720px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  line-height: 1.65;
}

.hero-extra {
  display: block;
  margin-top: 12px;
  color: #dbe2f5;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
  border-color: rgba(141, 246, 214, 0.72);
  background: var(--panel-strong);
}

.button.primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #071018;
}

.side-panel {
  align-self: stretch;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(0, 0, 0, 0.2);
}

.side-panel h2 {
  margin: 0 0 18px;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.list li {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(240px, 0.75fr) minmax(240px, 0.75fr);
  gap: 18px;
  padding: 0 clamp(28px, 6vw, 64px) 34px;
}

.content-grid article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(0, 0, 0, 0.16);
}

.content-grid h2 {
  margin: 0 0 12px;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.content-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.compact-list {
  gap: 8px;
}

.compact-list li {
  padding: 10px 12px;
  border-radius: 14px;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 24px clamp(28px, 6vw, 64px);
  border-top: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.18);
}

.links a {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.94rem;
  text-decoration: none;
}

.links a:hover {
  border-color: rgba(141, 246, 214, 0.72);
  color: var(--text);
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 22px clamp(28px, 6vw, 64px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.94rem;
}

@media (max-width: 980px) {
  .content-grid { grid-template-columns: 1fr; }
}

@media (max-width: 780px) {
  .hero { grid-template-columns: 1fr; }
  footer { flex-direction: column; }
}