* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Montserrat', sans-serif;
  background: #ffffff;
  color: #111827;
  line-height: 1.6;
  text-align: center;
}

.container {
  max-width: 1100px;
  margin: auto;
  padding: 20px;
}

.header {
  border-bottom: 1px solid #e5e7eb;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  width: 48px;
}

nav a {
  margin-left: 20px;
  text-decoration: none;
  color: #374151;
  font-weight: 500;
}

.hero {
  padding: 100px 20px 0px;
}

.hero h1 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
}

.hero p {
  max-width: 640px;
  margin: 0 auto 30px;
  color: #4b5563;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  background: #4f46e5;
  color: #ffffff;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
}

.section {
  padding: 80px 20px;
}

.section-intro {
  max-width: 700px;
  margin: 0 auto 50px;
  color: #4b5563;
}

.services {
  max-width: 1000px;
  margin: auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 40px;
  text-align: left;
}

.service h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.service p {
  color: #4b5563;
}

.service ul {
  padding-left: 18px;
  color: #374151;
}

.contact {
  background: #f9fafb;
}

.footer {
  padding: 20px;
  font-size: 14px;
  color: #6b7280;
}