/* ─── Google Fonts – Inter ────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ─── Global Reset & Base ─────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── Scrollbar hide utility ──────────────────────────── */
.scrollbar-hide { -ms-overflow-style: none; scrollbar-width: none; }
.scrollbar-hide::-webkit-scrollbar { display: none; }

/* ─── Lucide icon baseline ────────────────────────────── */
[data-lucide] { display: inline-block; vertical-align: middle; }

/* ─── Header nav active underline ────────────────────── */
.nav-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 20px 12px;
  font-size: 0.875rem;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  color: #334155;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  cursor: pointer;
  transition: color 0.15s;
  text-decoration: none;
}
.nav-item:hover { color: #7c3aed; }
.nav-item.active { border-bottom-color: #7c3aed; color: #7c3aed; }

/* ─── Mobile nav drawer ───────────────────────────────── */
#mobile-nav { display: none; }
#mobile-nav.open { display: flex; }

/* ─── Card hover lift ─────────────────────────────────── */
.learner-card {
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.learner-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px -4px rgba(0,0,0,0.10);
}

/* ─── Tab underline active ────────────────────────────── */
.tab-btn { border-bottom: 2px solid transparent; color: #475569; }
.tab-btn.active { border-bottom-color: #7c3aed; color: #7c3aed; }