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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: #ffffff;
  color: #0f172a;
  line-height: 1.6;
}

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

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px;
}

/* HEADER */

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

.logo {
  font-weight: 700;
}

nav {
  display: flex;
  gap: 16px;
  align-items: center;
}

/* BUTTONS */

.btn {
  padding: 10px 16px;
  border: 1px solid #0b2540;
  border-radius: 8px;
  font-weight: 600;
}

.btn-primary {
  background: #0b2540;
  color: white;
}

/* HERO */

.hero {
  padding: 80px 20px;
  text-align: center;
}

.hero h1 {
  font-size: 2rem;
  margin-bottom: 12px;
}

.hero p {
  color: #475569;
  margin-bottom: 20px;
}

/* SECTIONS */

.section {
  padding: 60px 20px;
}

.section h2 {
  margin-bottom: 24px;
}

/* STEPS */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
}

.step {
  border: 1px solid #e5e7eb;
  padding: 20px;
  border-radius: 10px;
}

.step span {
  font-weight: 700;
  font-size: 1.2rem;
  color: #0b2540;
}

/* PROJECTS */

.projects {
  display: flex;
}

.project-card {
  border: 1px dashed #cbd5e1;
  padding: 40px;
  border-radius: 10px;
  text-align: center;
  width: 100%;
  color: #64748b;
}

/* CONTACT */

.contact-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* FOOTER */

.footer {
  text-align: center;
  padding: 30px 20px;
  color: #64748b;
  font-size: 0.9rem;
}