:root {
  --bg:      #0f172a;
  --card:    #1f2937;
  --text:    #e5e7eb;
  --muted:   #9ca3af;
  --accent:  #38bdf8;
  --border:  #334155;
  --red:     #f87171;
  --green:   #34d399;
  --yellow:  #fbbf24;
  --purple:  #a78bfa;
}

* { box-sizing: border-box; }

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

/* ── Layout ── */
.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

/* ── Hero ── */
.hero {
  padding: 80px 0 60px;
  background: linear-gradient(135deg, #020617 0%, #1e293b 100%);
  border-bottom: 1px solid var(--border);
}

h1 {
  font-size: clamp(2.2rem, 7vw, 4rem);
  margin: 0 0 8px;
  letter-spacing: -1px;
}

.subtitle {
  color: var(--accent);
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 0 14px;
}

.tagline {
  color: var(--muted);
  max-width: 680px;
  margin: 0 0 24px;
}

/* ── Buttons ── */
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-block;
  padding: 11px 20px;
  border-radius: 8px;
  background: var(--accent);
  color: #020617;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  transition: opacity 0.15s;
}
.button:hover { opacity: 0.85; }

.button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

/* ── Sections ── */
section {
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
}
section:last-child { border-bottom: none; }

h2 {
  font-size: 1.9rem;
  margin: 0 0 22px;
  color: var(--text);
}

h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}

/* ── Cards ── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 24px;
  margin-bottom: 18px;
}

.project-card { margin-bottom: 18px; }

.project-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.project-header h3 { margin: 0; }

/* ── Grid ── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
}

/* ── Badges ── */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.badge-red    { background: rgba(248,113,113,.15); color: var(--red);    border: 1px solid rgba(248,113,113,.3); }
.badge-blue   { background: rgba(56,189,248,.15);  color: var(--accent); border: 1px solid rgba(56,189,248,.3); }
.badge-green  { background: rgba(52,211,153,.15);  color: var(--green);  border: 1px solid rgba(52,211,153,.3); }
.badge-yellow  { background: rgba(251,191,36,.15);  color: var(--yellow); border: 1px solid rgba(251,191,36,.3); }
.badge-purple  { background: rgba(167,139,250,.15); color: var(--purple); border: 1px solid rgba(167,139,250,.3); }

/* ── Misc ── */
.meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 10px;
}

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

ul { padding-left: 1.2em; margin: 6px 0; }
li { margin-bottom: 4px; }

p { margin: 0 0 10px; }

/* ── Footer ── */
footer {
  padding: 30px;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
}

/* ── Responsive ── */
@media (max-width: 600px) {
  h1 { font-size: 2.2rem; }
  .hero { padding: 50px 0 40px; }
  section { padding: 32px 0; }
}