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

:root {
  --bg:        #0a0c10;
  --surface:   #111418;
  --surface-2: #161b22;
  --border:    #1e2530;
  --accent:    #4f8ef7;
  --accent-2:  #7c3aed;
  --text:      #e8eaf0;
  --muted:     #8892a4;
  --danger:    #ef4444;
  --success:   #22c55e;
  --warn:      #f59e0b;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

/* ── NAV ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 60px;
  background: rgba(10,12,16,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}

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

.btn-nav {
  color: #fff !important;
  padding: 0.4rem 1rem;
  border-radius: 6px;
  font-weight: 600;
  transition: opacity 0.2s !important;
}

.btn-nav:hover { opacity: 0.85; }

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

footer p { color: var(--muted); font-size: 0.8rem; }

footer nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.8rem;
  margin-left: 1.5rem;
  transition: color 0.2s;
}

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

/* ── DIVIDER ── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 0 2rem;
}

/* ── PULSE ANIMATION ── */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.25; }
}