* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif;
  background: #f7f5ef;
  color: #1f1f1f;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

nav a {
  margin-left: 24px;
  font-size: 14px;
  color: #666;
}

nav a:hover {
  color: #111;
}

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.hero {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.tag {
  margin: 0 0 18px;
  font-size: 14px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #888;
}

h1 {
  margin: 0;
  font-size: clamp(56px, 10vw, 112px);
  line-height: 1;
  letter-spacing: -4px;
}

.intro {
  max-width: 620px;
  margin: 28px 0 0;
  font-size: 22px;
  line-height: 1.7;
  color: #555;
}

.actions {
  margin-top: 36px;
  display: flex;
  gap: 18px;
  align-items: center;
}

.primary-btn {
  padding: 13px 22px;
  border-radius: 999px;
  background: #1f1f1f;
  color: white;
  font-size: 15px;
}

.primary-btn:hover {
  background: #444;
}

.text-btn {
  font-size: 15px;
  color: #555;
}

.section {
  margin-top: 40px;
}

.section-title {
  margin-bottom: 24px;
}

.section-title h2,
.about h2 {
  margin: 0 0 8px;
  font-size: 28px;
}

.section-title p,
.about p {
  margin: 0;
  color: #666;
  line-height: 1.8;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card {
  min-height: 220px;
  padding: 24px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.75);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.09);
}

.card span {
  color: #999;
  font-size: 14px;
}

.card h3 {
  margin: 52px 0 10px;
  font-size: 22px;
}

.card p {
  margin: 0;
  color: #666;
  line-height: 1.7;
}

.about {
  margin-top: 80px;
  max-width: 680px;
}

footer {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 24px;
  color: #888;
  font-size: 14px;
}

footer a {
  color: #555;
}

@media (max-width: 760px) {
  .site-header {
    padding: 24px 20px;
  }

  nav a {
    margin-left: 14px;
  }

  main {
    padding: 24px 20px 64px;
  }

  h1 {
    letter-spacing: -2px;
  }

  .intro {
    font-size: 18px;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .card {
    min-height: 180px;
  }
}