/* MboxCopy Marketing — Pure CSS */
:root {
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-900: #111827;
  --green-600: #16a34a;
  --radius: 0.75rem;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--gray-900);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { max-width: 1152px; margin: 0 auto; padding: 0 1.5rem; }
.container-sm { max-width: 900px; margin: 0 auto; padding: 0 1.5rem; }

/* ── Header ─────────────────────────────── */
.header {
  border-bottom: 1px solid var(--gray-200);
  padding: 1rem 0;
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo { font-size: 1.25rem; font-weight: 700; }
.nav { display: flex; align-items: center; gap: 1.5rem; }
.nav a { font-size: 0.875rem; color: var(--gray-600); }
.nav a:hover { color: var(--gray-900); }
.nav a.active { color: var(--gray-900); font-weight: 500; }

/* ── Buttons ────────────────────────────── */
.btn {
  display: inline-block;
  padding: 0.625rem 1.5rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background 0.15s, border-color 0.15s;
  cursor: pointer;
  border: none;
}
.btn-primary { background: var(--blue-600); color: #fff; }
.btn-primary:hover { background: var(--blue-700); }
.btn-outline { border: 1px solid var(--gray-200); color: var(--gray-700); background: #fff; }
.btn-outline:hover { border-color: var(--gray-400); }
.btn-lg { padding: 0.75rem 2rem; font-size: 1rem; }

/* ── Hero ───────────────────────────────── */
.hero {
  padding: 6rem 0;
  text-align: center;
}
.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
}
.hero h1 span { color: var(--blue-600); }
.hero .subtitle {
  margin-top: 1.5rem;
  font-size: 1.25rem;
  color: var(--gray-600);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
.hero .tagline {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--gray-500);
}
.hero .cta {
  margin-top: 2.5rem;
  display: flex;
  justify-content: center;
  gap: 1rem;
}

/* ── Section ────────────────────────────── */
.section { padding: 5rem 0; }
.section-alt { background: var(--gray-50); }
.section-title {
  text-align: center;
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 3rem;
}

/* ── Grid ───────────────────────────────── */
.grid { display: grid; gap: 1.5rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 768px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2.25rem; }
}

/* ── Cards ──────────────────────────────── */
.card {
  padding: 1.5rem;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  background: #fff;
}
.card h3 { font-size: 1.125rem; font-weight: 600; }
.card p { margin-top: 0.5rem; font-size: 0.875rem; color: var(--gray-600); }

/* ── Pricing ────────────────────────────── */
.pricing-card {
  padding: 2rem;
  border: 1px solid var(--gray-200);
  border-radius: 1rem;
  background: #fff;
}
.pricing-card.featured {
  border: 2px solid var(--blue-600);
  position: relative;
}
.pricing-badge {
  position: absolute;
  top: -0.75rem;
  left: 2rem;
  background: var(--blue-600);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
}
.pricing-card h3 { font-size: 1.25rem; font-weight: 700; }
.pricing-card .price { margin-top: 1.5rem; }
.pricing-card .price .amount { font-size: 2.5rem; font-weight: 700; }
.pricing-card .price .period { color: var(--gray-500); }
.pricing-card .annual { font-size: 0.875rem; color: var(--gray-500); margin-top: 0.25rem; }
.pricing-card ul { margin-top: 2rem; }
.pricing-card li {
  padding: 0.5rem 0;
  font-size: 0.875rem;
  color: var(--gray-600);
  display: flex;
  gap: 0.5rem;
}
.pricing-card li::before { content: "✓"; color: var(--green-600); font-weight: 600; }
.pricing-card .btn { width: 100%; text-align: center; margin-top: 2rem; }

/* ── Volume Table ───────────────────────── */
.volume-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--gray-200);
}
.volume-table th {
  background: var(--gray-50);
  padding: 0.75rem 1.5rem;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--gray-500);
  text-transform: uppercase;
  border-bottom: 1px solid var(--gray-200);
}
.volume-table td {
  padding: 1rem 1.5rem;
  font-size: 0.875rem;
  border-bottom: 1px solid var(--gray-100);
}
.volume-table .savings { color: var(--green-600); }

/* ── Footer ─────────────────────────────── */
.footer {
  border-top: 1px solid var(--gray-200);
  padding: 2rem 0;
}
.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--gray-500);
}
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a:hover { color: var(--gray-700); }