/* ===== Derrick Owusu — portfolio shared styles ===== */
:root {
  --bg:        #0d1117;
  --bg-elev:   #161b22;
  --border:    #21262d;
  --text:      #e6edf3;
  --muted:     #8b949e;
  --accent:    #58a6ff; /* function blue */
  --accent-2:  #7ee787; /* string green */
  --accent-3:  #d2a8ff; /* keyword purple */
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  margin: 0;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }

/* ---- Navbar ---- */
.navbar {
  background: rgba(13, 17, 23, 0.85) !important;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.navbar-brand {
  font-family: var(--mono);
  font-weight: 700;
  color: var(--text) !important;
  letter-spacing: -0.5px;
}
.navbar-brand .prompt { color: var(--accent-2); }
.nav-link {
  font-family: var(--mono);
  font-size: 0.92rem;
  color: var(--muted) !important;
}
.nav-link:hover, .nav-link.active { color: var(--accent) !important; }

/* ---- Generic section spacing ---- */
.section { padding: 5rem 0; }
.eyebrow {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.75rem;
}
.section-title {
  font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -1px;
  margin-bottom: 1rem;
}

/* ---- Hero ---- */
.hero {
  min-height: 88vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px circle at 80% 20%, rgba(88,166,255,0.12), transparent 50%),
    radial-gradient(500px circle at 10% 90%, rgba(126,231,135,0.08), transparent 50%);
  pointer-events: none;
}
.hero-name {
  font-weight: 800;
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  letter-spacing: -2px;
  line-height: 1.05;
  margin-bottom: 1rem;
}
.hero-name .accent { color: var(--accent); }
.hero-role {
  font-family: var(--mono);
  color: var(--muted);
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  margin-bottom: 1.5rem;
}
.hero-role .blink {
  color: var(--accent-2);
  animation: blink 1.2s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ---- Code window motif ---- */
.code-window {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.code-window-bar {
  background: #0d1117;
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.dot-r { background: #ff5f56; }
.dot-y { background: #ffbd2e; }
.dot-g { background: #27c93f; }
.code-window-title {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  margin-left: 0.5rem;
}
.code-body {
  font-family: var(--mono);
  font-size: 0.88rem;
  padding: 1.25rem;
  line-height: 1.8;
  white-space: pre;
  overflow-x: auto;
}
.tok-key { color: var(--accent-3); }
.tok-fn  { color: var(--accent); }
.tok-str { color: var(--accent-2); }
.tok-com { color: var(--muted); }

/* ---- Buttons ---- */
.btn-accent {
  background: var(--accent);
  color: #0d1117;
  font-family: var(--mono);
  font-weight: 600;
  border: none;
  border-radius: 8px;
  padding: 0.65rem 1.4rem;
}
.btn-accent:hover { background: var(--accent-2); color: #0d1117; }
.btn-ghost {
  background: transparent;
  color: var(--text);
  font-family: var(--mono);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.65rem 1.4rem;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---- Cards ---- */
.card-dark {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 12px;
  height: 100%;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.card-dark:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}
.card-dark .card-body { padding: 1.5rem; }

/* ---- Skill pills ---- */
.pill {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.82rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.3rem 0.85rem;
  margin: 0.25rem 0.3rem 0.25rem 0;
  color: var(--text);
}
.pill.front { border-color: var(--accent); color: var(--accent); }
.pill.back  { border-color: var(--accent-2); color: var(--accent-2); }
.pill.ai    { border-color: var(--accent-3); color: var(--accent-3); }

/* ---- Tag label for portfolio ---- */
.tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
}

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--muted);
}

/* ---- Contact form ---- */
.form-control {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.9rem;
}
.form-control:focus {
  background: var(--bg-elev);
  border-color: var(--accent);
  box-shadow: 0 0 0 0.2rem rgba(88,166,255,0.15);
  color: var(--text);
}
.form-label { font-family: var(--mono); font-size: 0.85rem; color: var(--muted); }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}