:root {
  --bg: #0b0f14;
  --panel: #111826;
  --panel-soft: #151f2f;
  --text: #c0caf5;
  --muted: #9aa5ce;
  --border: #2a3550;
  --accent: #7aa2f7;
  --accent-soft: #bb9af7;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  background: radial-gradient(circle at top, #1a2233 0%, var(--bg) 42%, #05070b 100%);
  color: var(--text);
  line-height: 1.6;
  text-shadow: 0 0 3px rgba(122, 162, 247, 0.16);
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(192, 202, 245, 0.03),
    rgba(192, 202, 245, 0.03) 1px,
    transparent 1px,
    transparent 3px
  );
  opacity: 0.4;
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 1.2rem;
}

.nav {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 0;
  background: rgba(4, 17, 8, 0.85);
  padding: 0.22rem 0.55rem;
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.nav a::before {
  content: "[";
  margin-right: 0.28rem;
}

.nav a::after {
  content: "]";
  margin-left: 0.28rem;
}

.nav a:hover {
  color: var(--accent);
}

.nav a.active {
  color: #01270f;
  background: var(--accent);
  border-color: var(--accent);
  text-shadow: none;
  font-weight: 700;
}

.hero,
.card {
  background: linear-gradient(180deg, var(--panel-soft) 0%, var(--panel) 100%);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 1rem;
  box-shadow: inset 0 0 0 1px rgba(122, 162, 247, 0.1), 0 0 24px rgba(122, 162, 247, 0.08);
}

.hero {
  position: relative;
}

.hero::before {
  content: "artui://terminal";
  position: absolute;
  top: 0.55rem;
  right: 0.75rem;
  color: rgba(187, 154, 247, 0.45);
  font-size: 0.74rem;
}

h1,
h2 {
  line-height: 1.3;
  margin-top: 0;
  color: var(--accent-soft);
}

h1 {
  font-size: clamp(1.45rem, 3vw, 2rem);
}

h2 {
  font-size: 1.03rem;
}

p,
li {
  color: var(--muted);
}

a {
  color: var(--accent-soft);
}

.badge {
  display: inline-block;
  font-size: 0.74rem;
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 0.14rem 0.5rem;
  margin-bottom: 0.55rem;
  background: rgba(4, 17, 8, 0.9);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge::before {
  content: "> ";
}

.actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-top: 0.9rem;
}

.btn {
  display: inline-block;
  text-decoration: none;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 0.42rem 0.74rem;
  background: rgba(4, 17, 8, 0.85);
}

.btn::before {
  content: "$ ";
  opacity: 0.85;
}

.btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #01270f;
  text-shadow: none;
  font-weight: 700;
}

.grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.7rem;
}

code {
  background: #031007;
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 0.1rem 0.34rem;
  color: var(--accent-soft);
}

ul {
  padding-left: 1.2rem;
}

footer {
  margin-top: 1.8rem;
  padding-top: 0.8rem;
  border-top: 1px dashed var(--border);
  color: var(--muted);
  font-size: 0.88rem;
}