:root {
  --bg: #08111b;
  --bg-soft: #0d1824;
  --panel: rgba(15, 26, 40, 0.92);
  --line: rgba(116, 146, 184, 0.18);
  --ink: #e7f0fb;
  --muted: #95aac5;
  --accent: #4fd6c2;
  --alert: #9db4d0;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(79, 214, 194, 0.12), transparent 26rem),
    radial-gradient(circle at bottom right, rgba(84, 126, 255, 0.1), transparent 24rem),
    linear-gradient(180deg, #060d15 0%, var(--bg) 100%);
  font: 16px/1.65 "Segoe UI", Tahoma, sans-serif;
}

a { color: inherit; text-decoration: none; }

.frame {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding-bottom: 2rem;
}

.topbar,
.panel {
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: linear-gradient(180deg, rgba(14, 24, 37, 0.98), rgba(10, 18, 29, 0.94));
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin: 1rem 0;
  padding: 1rem 1.2rem;
}

.brand {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

nav a {
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.02);
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 1rem;
}

.hero,
.login,
.footer,
.intro,
.log-panel {
  padding: 1.35rem;
}

.hero-grid,
.cards.wide,
.cards {
  display: grid;
  gap: 1rem;
}

.hero-grid,
.cards,
.cards.wide {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.hero-grid article,
.cards article,
.log-list > div {
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.03);
  padding: 1rem;
}

.section-head {
  margin-bottom: 1rem;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 0.8rem;
  color: var(--accent);
  font: 700 0.78rem/1.2 Consolas, "Courier New", monospace;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
.login-head strong {
  margin: 0 0 0.8rem;
  font-family: Consolas, "Courier New", monospace;
  line-height: 1.08;
}

h1 { font-size: clamp(2.6rem, 5vw, 4.8rem); max-width: 13ch; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.05rem; }

.lede,
.hero-grid p,
.cards p,
.log-list p,
.login-head p,
.footer p,
.intro p {
  margin: 0;
  color: var(--muted);
}

.hero-grid span,
.footer span,
.login-head span {
  display: block;
  color: var(--alert);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-grid strong {
  display: block;
  margin: 0.45rem 0 0.75rem;
  font-size: 1.2rem;
}

.login-head strong {
  display: block;
  font-size: 1.35rem;
}

.login-form {
  display: grid;
  gap: 0.85rem;
  margin: 1rem 0 0.8rem;
}

.login-form label {
  display: grid;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.login-form input,
.login-form button {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  background: var(--bg-soft);
  color: var(--ink);
  padding: 0.9rem 1rem;
  font: inherit;
}

.login-form button {
  background: linear-gradient(90deg, #133b42, #0f5253);
  color: #defdfa;
  font-weight: 700;
}

.meta {
  margin: 0;
  color: var(--accent);
  font-size: 0.88rem;
}

.log-list {
  display: grid;
  gap: 0.85rem;
}

.log-list span {
  display: block;
  color: var(--accent);
  font: 700 0.74rem/1.2 Consolas, "Courier New", monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.log-list strong {
  display: block;
  margin: 0.35rem 0 0.45rem;
  font-size: 1.04rem;
}

.stack {
  display: grid;
  gap: 1rem;
}

.footer {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr;
  gap: 1rem;
  margin-top: 1rem;
}

.footer strong {
  display: block;
  margin-bottom: 0.45rem;
}

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

@media (max-width: 900px) {
  .layout,
  .hero-grid,
  .cards,
  .cards.wide,
  .footer {
    grid-template-columns: 1fr;
  }

  h1 { max-width: none; }
}