:root {
  --cream: #F8F1E4;
  --cream-warm: #F0E6D2;
  --mint: #5BC8A8;
  --mint-deep: #4AB596;
  --green-deep: #0B4D32;
  --coral: #FF8B3D;
  --yellow: #E6F23A;
  --text: #1A1A1A;
  --muted: #6B7280;
  --border: rgba(11, 77, 50, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: linear-gradient(180deg, var(--cream) 0%, var(--cream-warm) 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
  min-height: 100vh;
  padding: 40px 20px;
}

.container {
  max-width: 720px;
  margin: 0 auto;
}

header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}

.logo-mark {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--mint) 0%, var(--coral) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 900;
  font-size: 22px;
  flex-shrink: 0;
}

.logo-text {
  font-weight: 800;
  font-size: 18px;
  color: var(--green-deep);
  letter-spacing: -0.3px;
}

.logo-text small {
  display: block;
  font-weight: 500;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0;
}

h1 {
  font-size: 40px;
  font-weight: 900;
  color: var(--green-deep);
  letter-spacing: -1.2px;
  line-height: 1.05;
  margin-bottom: 12px;
}

h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--green-deep);
  letter-spacing: -0.5px;
  margin-top: 36px;
  margin-bottom: 12px;
}

p, ul {
  margin-bottom: 16px;
  color: var(--text);
}

ul {
  padding-left: 20px;
}

li {
  margin-bottom: 6px;
}

a {
  color: var(--mint-deep);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid rgba(74, 181, 150, 0.3);
  transition: border-color 0.15s ease;
}

a:hover {
  border-bottom-color: var(--mint-deep);
}

.effective {
  display: inline-block;
  background: rgba(91, 200, 168, 0.15);
  color: var(--green-deep);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 100px;
  margin-bottom: 24px;
  letter-spacing: 0.3px;
}

.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

@media (max-width: 600px) {
  .cards { grid-template-columns: 1fr; }
  h1 { font-size: 32px; }
}

.card {
  background: white;
  border-radius: 16px;
  padding: 20px;
  border: 1px solid var(--border);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  display: block;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(11, 77, 50, 0.08);
  border-bottom-color: var(--border);
}

.card h3 {
  font-size: 17px;
  font-weight: 800;
  color: var(--green-deep);
  margin-bottom: 6px;
  letter-spacing: -0.2px;
}

.card p {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
}

footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--muted);
  text-align: center;
}

footer a {
  font-size: 13px;
}

.back-link {
  display: inline-block;
  margin-bottom: 24px;
  font-size: 14px;
  color: var(--muted);
  border-bottom: none;
}

.back-link:hover {
  color: var(--green-deep);
  border-bottom: none;
}

.contact-box {
  background: white;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  margin-top: 24px;
}

.contact-box strong {
  color: var(--green-deep);
}

.contact-box a {
  font-size: 17px;
  font-weight: 700;
}