* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  background: #f5f7fb;
  color: #121212;
}

header {
  background: #1f6fd9;
  color: #fff;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header .logo {
  font-size: 22px;
  font-weight: 700;
}

header .menu-toggle {
  width: 24px;
  height: 2px;
  background: #fff;
  position: relative;
}

header .menu-toggle::before,
header .menu-toggle::after {
  content: "";
  position: absolute;
  left: 0;
  width: 24px;
  height: 2px;
  background: #fff;
}

header .menu-toggle::before {
  top: -7px;
}

header .menu-toggle::after {
  top: 7px;
}

.main {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.hero {
  text-align: center;
  margin-bottom: 32px;
}

.hero-logo {
  width: 96px;
  height: 96px;
  border-radius: 999px;
  border: 2px solid #1f6fd9;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 40px;
  color: #1f6fd9;
}

.hero h1 {
  font-size: 26px;
  margin-bottom: 8px;
}

.hero p {
  font-size: 15px;
  color: #4b5563;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.card-link {
  text-decoration: none;
  color: inherit;
}

.card {
  background: #ffffff;
  border-radius: 18px;
  padding: 18px 16px;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.08);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.card-icon {
  font-size: 26px;
}

.card-title {
  font-size: 17px;
  font-weight: 600;
}

.card-text {
  font-size: 14px;
  color: #4b5563;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.18);
}

.page-title {
  font-size: 24px;
  margin-bottom: 10px;
}

.page-text {
  font-size: 15px;
  color: #4b5563;
  line-height: 1.5;
  margin-bottom: 16px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  color: #1f6fd9;
  font-size: 14px;
  margin-bottom: 16px;
}

.back-link:hover {
  text-decoration: underline;
}

footer {
  text-align: center;
  font-size: 12px;
  color: #9ca3af;
  padding-bottom: 8px;
}