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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: #f0f4f8;
  color: #11181C;
  line-height: 1.7;
}

/* HEADER */
header {
  background: linear-gradient(135deg, #0a7ea4, #065f7a);
  color: white;
  padding: 40px 24px;
}

.header-inner {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
}

.logo {
  font-size: 48px;
  line-height: 1;
}

header h1 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 4px;
}

.subtitle {
  font-size: 15px;
  opacity: 0.85;
}

/* MAIN */
main {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 24px 48px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* CARDS */
.card {
  background: white;
  border-radius: 16px;
  padding: 28px 32px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.07);
}

.update-date {
  font-size: 13px;
  color: #687076;
  margin-bottom: 12px;
}

.intro {
  font-size: 15px;
  color: #334155;
}

/* HEADINGS */
.card h2 {
  font-size: 18px;
  font-weight: 600;
  color: #0a7ea4;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon {
  font-size: 20px;
}

/* PARAGRAPHS & LISTS */
.card p {
  font-size: 15px;
  color: #334155;
  margin-bottom: 12px;
}

.card p:last-child {
  margin-bottom: 0;
}

.card ul {
  margin: 10px 0 14px 20px;
}

.card ul li {
  font-size: 15px;
  color: #334155;
  margin-bottom: 6px;
}

/* CONTACT */
.contact {
  background: linear-gradient(135deg, #e6f4fe, #d0eaf8);
  border: 1px solid #b3d9f0;
}

.contact h2 {
  color: #065f7a;
}

.email-btn {
  display: inline-block;
  margin-top: 10px;
  background: #0a7ea4;
  color: white;
  text-decoration: none;
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.2s;
}

.email-btn:hover {
  background: #065f7a;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 24px;
  font-size: 13px;
  color: #687076;
  border-top: 1px solid #e5e7eb;
  background: white;
}

/* RESPONSIVE */
@media (max-width: 600px) {
  .header-inner {
    flex-direction: column;
    text-align: center;
  }

  header h1 {
    font-size: 22px;
  }

  .card {
    padding: 20px;
  }

  main {
    padding: 20px 16px 40px;
  }
}