@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600&family=Sora:wght@500;600;700&display=swap');

:root {
  --violet-700: #5B21B6;
  --violet-600: #6D28D9;
  --violet-500: #7C3AED;
  --violet-200: #DDD6FE;
  --violet-100: #EDE9FE;
  --violet-50:  #F5F3FF;

  --bg: #F6F7FB;
  --surface: #FFFFFF;
  --surface-muted: #F9FAFB;
  --border: #E5E7EB;
  --border-strong: #D1D5DB;

  --text: #0F172A;
  --text-muted: #64748B;
  --text-light: #94A3B8;

  --success: #16A34A;
  --warning: #D97706;
  --danger: #DC2626;
  --info: #2563EB;

  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-sm: 0 6px 16px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 12px 28px rgba(15, 23, 42, 0.12);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  --font-sans: 'IBM Plex Sans', sans-serif;
  --font-display: 'Sora', sans-serif;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.35rem;
  --fs-2xl: 1.75rem;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
}

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

html {
  height: 100%;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

h1 { font-size: var(--fs-2xl); }
h2 { font-size: var(--fs-xl); }
h3 { font-size: var(--fs-lg); }

.text-xs { font-size: var(--fs-xs); }
.text-sm { font-size: var(--fs-sm); }
.text-lg { font-size: var(--fs-lg); }
.text-muted { color: var(--text-muted); }
.text-light { color: var(--text-light); }
.text-center { text-align: center; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.7rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-weight: 600;
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease, background 150ms ease, border-color 150ms ease;
}

.btn-primary {
  background: var(--violet-600);
  color: #fff;
  box-shadow: 0 10px 24px rgba(109, 40, 217, 0.25);
}
.btn-primary:active { transform: translateY(1px); }

.btn-outline {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
}

.btn-full { width: 100%; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: var(--fs-xs);
  font-weight: 600;
}

.badge-primary { background: var(--violet-100); color: var(--violet-700); }
.badge-success { background: #DCFCE7; color: #166534; }
.badge-warning { background: #FEF3C7; color: #92400E; }
.badge-danger { background: #FEE2E2; color: #991B1B; }
.badge-muted { background: #E2E8F0; color: #475569; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }

.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-4 { margin-bottom: var(--space-4); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
}

.card-body { padding: var(--space-4); }

.section-title {
  font-size: var(--fs-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-light);
  margin-bottom: var(--space-3);
}