:root {
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-600: #4b5563;
  --gray-800: #1f2937;
  --white: #ffffff;
  --radius: 0.75rem;
  --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
}

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

/* ── Nav ── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--gray-200);
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-logo { font-size: 1.25rem; font-weight: 700; color: var(--blue); }
.nav-links { display: flex; gap: 1.5rem; align-items: center; }
.nav-links a { color: var(--gray-600); font-size: 0.95rem; }
.nav-links a.active { color: var(--blue); font-weight: 600; }
.lang-toggle { font-size: 0.85rem; background: var(--gray-100); border: none;
  padding: 0.25rem 0.6rem; border-radius: 999px; cursor: pointer; color: var(--gray-600); }

/* ── Hero ── */
.hero {
  text-align: center;
  padding: 5rem 1.5rem 4rem;
  background: linear-gradient(135deg, #eff6ff 0%, #f0fdf4 100%);
}
.hero h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.15; margin-bottom: 1.25rem; }
.hero p { font-size: 1.2rem; color: var(--gray-600); max-width: 600px; margin: 0 auto 2.5rem; }
.btn { display: inline-block; padding: 0.75rem 2rem; border-radius: 0.5rem;
  font-weight: 600; font-size: 1rem; transition: background 0.15s; cursor: pointer; border: none; }
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: var(--blue-dark); text-decoration: none; }
.btn-outline { background: transparent; color: var(--blue); border: 2px solid var(--blue); margin-left: 1rem; }
.btn-outline:hover { background: var(--blue); color: var(--white); text-decoration: none; }

/* ── Tools grid ── */
.section { padding: 4rem 1.5rem; max-width: 1100px; margin: 0 auto; }
.section-title { font-size: 1.75rem; font-weight: 700; text-align: center; margin-bottom: 2.5rem; }
.tools-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; }
.tool-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s;
}
.tool-card:hover { box-shadow: var(--shadow-lg); }
.tool-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.tool-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.4rem; }
.tool-card p { color: var(--gray-600); font-size: 0.9rem; }
.tool-card.coming-soon { opacity: 0.55; }

/* ── Pricing ── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.plan-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.plan-card.featured { border-color: var(--blue); box-shadow: 0 0 0 2px var(--blue), var(--shadow-lg); }
.plan-name { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.25rem; }
.plan-price { font-size: 2rem; font-weight: 800; color: var(--blue); margin-bottom: 1rem; }
.plan-price span { font-size: 0.9rem; font-weight: 400; color: var(--gray-600); }
.plan-features { list-style: none; flex: 1; }
.plan-features li { padding: 0.35rem 0; font-size: 0.9rem; color: var(--gray-600); }
.plan-features li::before { content: "✓ "; color: #16a34a; font-weight: 700; }
.plan-features li.na { color: var(--gray-200); }
.plan-features li.na::before { content: "— "; color: var(--gray-200); }
.plan-cta { margin-top: 1.5rem; }

/* ── Pricing table ── */
.pricing-table { width: 100%; border-collapse: collapse; margin-top: 2.5rem; font-size: 0.92rem; }
.pricing-table th, .pricing-table td { padding: 0.75rem 1rem; text-align: left; border-bottom: 1px solid var(--gray-200); }
.pricing-table th { background: var(--gray-50); font-weight: 600; }
.pricing-table tr:last-child td { border-bottom: none; }

/* ── Footer ── */
footer {
  text-align: center;
  padding: 2rem;
  color: var(--gray-600);
  font-size: 0.875rem;
  border-top: 1px solid var(--gray-200);
}
footer a { color: var(--gray-600); }

/* ── Privacy / About prose ── */
.prose { max-width: 760px; margin: 3rem auto; padding: 0 1.5rem; }
.prose h1 { font-size: 2rem; margin-bottom: 1rem; }
.prose h2 { font-size: 1.25rem; font-weight: 700; margin: 2rem 0 0.5rem; }
.prose p, .prose li { color: var(--gray-600); margin-bottom: 0.75rem; }
.prose ul { padding-left: 1.5rem; }

/* ── Responsive ── */
@media (max-width: 640px) {
  nav { padding: 1rem; }
  .nav-links { gap: 1rem; font-size: 0.85rem; }
  .hero { padding: 3rem 1rem 2.5rem; }
  .btn-outline { margin-left: 0; margin-top: 0.75rem; }
}