*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #fff; color: #1a1a1a; line-height: 1.6; }

/* NAV */
nav { display: flex; justify-content: space-between; align-items: center; padding: 1rem 2rem; border-bottom: 1px solid #e5e5e5; position: sticky; top: 0; background: rgba(255,255,255,0.95); backdrop-filter: blur(8px); z-index: 100; }
nav .logo { font-size: 16px; font-weight: 600; color: #1a1a1a; transition: opacity 0.2s; }
nav .logo:hover { opacity: 0.7; }
nav .nav-links { display: flex; gap: 1.5rem; align-items: center; }
nav .nav-links a { font-size: 14px; color: #666; text-decoration: none; position: relative; transition: color 0.2s; }
nav .nav-links a::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 1px; background: #1a1a1a; transition: width 0.2s ease; }
nav .nav-links a:hover { color: #1a1a1a; }
nav .nav-links a:hover::after { width: 100%; }
nav .nav-cta { font-size: 14px; font-weight: 500; color: #1a1a1a; text-decoration: none; border: 1px solid #d0d0d0; padding: 7px 16px; border-radius: 8px; transition: background 0.2s, border-color 0.2s, transform 0.15s; }
nav .nav-cta::after { display: none; }
nav .nav-cta:hover { background: #f5f5f5; border-color: #aaa; transform: translateY(-1px); }
nav .nav-cta:active { transform: translateY(0); }

/* HERO */
.hero { padding: 5rem 2rem 3.5rem; text-align: center; }
.badge { display: inline-block; background: #edfdf4; color: #1a7a4a; font-size: 12px; padding: 4px 12px; border-radius: 6px; margin-bottom: 1.25rem; font-weight: 500; }
.hero h1 { font-size: clamp(28px, 5vw, 42px); font-weight: 600; color: #1a1a1a; line-height: 1.2; margin-bottom: 1rem; }
.hero p { font-size: 18px; color: #555; max-width: 520px; margin: 0 auto 2.5rem; line-height: 1.65; }

/* PRICING */
.pricing-section { padding: 1rem 1.5rem 4rem; }
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; max-width: 580px; margin: 0 auto; align-items: stretch; }
.card {
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 12px;
  padding: 1.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  display: flex;
  flex-direction: column;
}
.card ul { list-style: none; margin-bottom: 1.5rem; flex: 1; }
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
  border-color: #ccc;
}
.card.featured { border: 2px solid #3b82f6; position: relative; }
.popular-badge { position: absolute; top: -1px; right: 14px; border-radius: 0 0 6px 6px; margin-bottom: 0; }
.card.featured:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(59,130,246,0.15);
  border-color: #2563eb;
}
.card-label { font-size: 12px; color: #888; margin-bottom: 0.4rem; }
.card-price { font-size: 34px; font-weight: 600; color: #1a1a1a; }
.card-price span { font-size: 16px; font-weight: 400; color: #888; }
.card-desc { font-size: 14px; color: #666; margin: 0.65rem 0 1.1rem; line-height: 1.5; }
.card ul li { font-size: 14px; color: #555; padding: 5px 0; display: flex; gap: 8px; align-items: flex-start; }
.card ul li::before { content: "✓"; color: #1a7a4a; font-size: 13px; margin-top: 1px; flex-shrink: 0; }
.popular-badge { display: inline-block; background: #eff6ff; color: #1d4ed8; font-size: 12px; padding: 4px 12px; border-radius: 6px; margin-bottom: 0.75rem; font-weight: 500; }
.btn {
  display: block;
  width: 100%;
  padding: 11px;
  border-radius: 8px;
  border: 1px solid #d0d0d0;
  background: transparent;
  font-size: 14px;
  font-weight: 500;
  color: #1a1a1a;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
}
.btn:hover { background: #f5f5f5; border-color: #aaa; transform: translateY(-1px); }
.btn:active { transform: scale(0.98); }
.btn.primary { background: #1a1a1a; color: #fff; border-color: #1a1a1a; }
.btn.primary:hover { background: #333; border-color: #333; transform: translateY(-1px); }
.btn.primary:active { transform: scale(0.98); }

/* HOW IT WORKS */
.how { padding: 2rem 2rem 4rem; max-width: 620px; margin: 0 auto; }
.how h2 { font-size: 24px; font-weight: 600; margin-bottom: 2rem; text-align: center; }
.steps { display: flex; flex-direction: column; gap: 16px; }
.step { display: flex; gap: 16px; align-items: flex-start; transition: transform 0.2s ease; }
.step:hover { transform: translateX(4px); }
.step-num {
  min-width: 30px; height: 30px; border-radius: 50%;
  background: #f5f5f5; border: 1px solid #e5e5e5;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 500; color: #666; flex-shrink: 0;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.step:hover .step-num { background: #1a1a1a; border-color: #1a1a1a; color: #fff; }
.step-text h3 { font-size: 15px; font-weight: 600; margin-bottom: 3px; }
.step-text p { font-size: 14px; color: #666; line-height: 1.5; }

/* FOOTER */
footer { border-top: 1px solid #e5e5e5; padding: 2.5rem 2rem 1.5rem; }
.footer-top { display: flex; justify-content: space-between; align-items: flex-start; max-width: 800px; margin: 0 auto 2rem; flex-wrap: wrap; gap: 2rem; }
.footer-brand .logo { font-size: 15px; font-weight: 600; color: #1a1a1a; margin-bottom: 6px; }
.footer-brand p { font-size: 13px; color: #888; line-height: 1.6; }
.footer-col h4 { font-size: 11px; font-weight: 600; color: #aaa; margin-bottom: 10px; text-transform: uppercase; letter-spacing: 0.06em; }
.footer-col a { display: block; font-size: 13px; color: #666; text-decoration: none; margin-bottom: 6px; transition: color 0.2s, padding-left 0.2s; }
.footer-col a:hover { color: #1a1a1a; padding-left: 4px; }
.footer-bottom { text-align: center; font-size: 12px; color: #aaa; border-top: 1px solid #f0f0f0; padding-top: 1.25rem; max-width: 800px; margin: 0 auto; }

/* RESPONSIVE */
@media (max-width: 480px) {
  nav .nav-links a:not(.nav-cta) { display: none; }
  .hero { padding: 3rem 1.5rem 2.5rem; }
}