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

:root {
  --accent: #1D9E75;
  --accent-dark: #178260;
  --text: #111;
  --text-muted: #555;
  --bg: #fff;
  --bg-light: #F7F7F5;
  --border: #E5E5E2;
  --max-width: 720px;
  --radius: 8px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
}

/* Header */
header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 12px 20px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--accent);
}

header nav {
  display: flex;
  gap: 20px;
}

header nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.15s;
}

header nav a:hover {
  color: var(--text);
}

/* Main */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px 60px;
}

/* Hero */
.hero {
  padding: 52px 0 36px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 12px;
}

.hero p {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto;
}

/* Sections */
.section {
  margin: 32px 0;
}

.section h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 12px;
}

/* Buttons */
.btn-primary {
  background: var(--accent);
  color: #fff;
  padding: 8px 20px;
  border: none;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: background 0.15s;
}

.btn-primary:hover {
  background: var(--accent-dark);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  padding: 8px 20px;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: background 0.15s, color 0.15s;
}

.btn-outline:hover {
  background: var(--accent);
  color: #fff;
}

/* Use case selector pills */
.uc-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.uc-btn {
  background: var(--bg-light);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.uc-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.uc-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* Cards */
.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.card.featured {
  border: 2px solid var(--accent);
}

.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 640px) {
  .cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.card.featured .card-label {
  color: var(--accent);
}

.card-name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.card-provider {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.card-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 10px;
  line-height: 1.4;
}

.card-price {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 12px;
}

.card-empty {
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 8px 0;
}

/* Explanation box */
.explanation-box {
  background: var(--bg-light);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 16px;
  border-left: 3px solid var(--accent);
}

/* Model table */
.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

th {
  text-align: left;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 8px 12px;
  border-bottom: 2px solid var(--border);
}

td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: var(--bg-light);
}

.badge-yes {
  color: var(--accent);
  font-weight: 600;
}

.badge-no {
  color: var(--text-muted);
}

/* FAQ */
.faq-section {
  margin: 48px 0;
}

.faq-section h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.faq-answer {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Footer */
footer {
  background: var(--bg-light);
  border-top: 1px solid var(--border);
  padding: 24px 20px;
  margin-top: 60px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.footer-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-meta a {
  color: var(--accent);
  text-decoration: none;
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-links a {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--text);
}

.footer-disclaimer {
  max-width: var(--max-width);
  margin: 0 auto;
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.footer-disclaimer a {
  color: var(--accent);
  text-decoration: none;
}

/* Prose (for legal pages) */
.prose {
  max-width: 100%;
}

.prose h1 {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.prose .lead {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 32px;
}

.prose h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 28px 0 8px;
}

.prose p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 12px;
}

.prose ul {
  padding-left: 20px;
  margin-bottom: 12px;
}

.prose li {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 4px;
}

/* Affiliate notice */
.affiliate-notice {
  display: block;
  font-size: 10px;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 4px;
}

/* Newsletter */
.newsletter {
  background: var(--bg-light);
  border-radius: 12px;
  padding: 24px;
  margin: 16px 0;
}

.newsletter-inner {
  max-width: 480px;
}

.newsletter-label {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 4px;
}

.newsletter-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.newsletter-form {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.newsletter-form input[type="email"] {
  flex: 1;
  min-width: 200px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s;
}

.newsletter-form input[type="email"]:focus {
  border-color: var(--accent);
}

.newsletter-form button {
  padding: 8px 20px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
}

.newsletter-form button:hover {
  background: var(--accent-dark);
}

.newsletter-thanks {
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 10px;
}

.newsletter-disclaimer {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.newsletter-disclaimer a {
  color: var(--accent);
  text-decoration: none;
}

/* Ad slot placeholder */
.ad-slot {
  background: var(--bg-light);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  margin: 24px 0;
}