@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;600;700&display=swap');

:root {
  --bg:        #1c2230;
  --panel:     #2a3142;
  --panel-2:   #232938;
  --border:    #3a4356;
  --frame:     #8a9bb0;
  --text:      #c8d1e0;
  --muted:     #7d8ba0;
  --accent:    #7eb8c4;
  --accent-hi: #a8d4dc;
  --ok:        #6cd49a;
  --err:       #e07878;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.7;
  min-height: 100vh;
}

/* ---- nav ---- */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 48px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-logo {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent-hi);
  text-decoration: none;
  transition: color .15s;
}

.nav-logo:hover { color: var(--text); }

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a, .nav-back {
  color: var(--muted);
  text-decoration: none;
  font-size: 11px;
  letter-spacing: .10em;
  text-transform: uppercase;
  transition: color .15s;
}

.nav-links a:hover, .nav-back:hover { color: var(--text); }

/* ---- footer ---- */
footer {
  border-top: 1px solid var(--border);
  padding: 28px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--muted);
}

footer a {
  color: var(--muted);
  text-decoration: none;
  transition: color .15s;
}

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

/* ---- section label ---- */
.section-label {
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

/* ---- buttons ---- */
.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--bg);
  font: 600 11px/1 "JetBrains Mono", monospace;
  letter-spacing: .10em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 14px 28px;
  border: none;
  cursor: pointer;
  transition: background .15s, color .15s;
}

.btn:hover { background: var(--accent-hi); color: var(--bg); }

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  margin-left: 12px;
  transition: color .15s, border-color .15s;
}

.btn-ghost:hover { background: transparent; color: var(--text); border-color: var(--frame); }

/* ---- utilities ---- */
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hi); }

@media (max-width: 640px) {
  nav { padding: 14px 20px; }
  .nav-links { gap: 16px; }
  footer { padding: 20px; flex-direction: column; gap: 8px; text-align: center; }
}