* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: #1f2933;
  background: #f7f4ef;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

a {
  color: #2563eb;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  width: min(100% - 32px, 960px);
  margin: 0 auto;
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  color: #111827;
  font-size: 1.1rem;
  font-weight: 700;
}

nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

nav a {
  color: #4b5563;
  font-size: 0.95rem;
}

main {
  width: min(100% - 32px, 960px);
  margin: 0 auto;
}

.hero {
  min-height: 58vh;
  padding: 72px 0 56px;
  display: grid;
  align-content: center;
}

.intro {
  margin: 0 0 8px;
  color: #64748b;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 16px;
  color: #111827;
  font-size: clamp(3rem, 10vw, 6rem);
  line-height: 0.95;
}

h2 {
  margin-bottom: 16px;
  color: #111827;
  font-size: 2rem;
}

h3 {
  margin-bottom: 8px;
  color: #111827;
}

.summary {
  max-width: 620px;
  margin-bottom: 28px;
  color: #4b5563;
  font-size: 1.15rem;
}

.button {
  width: fit-content;
  padding: 12px 18px;
  color: #ffffff;
  background: #111827;
  border-radius: 6px;
  font-weight: 700;
}

.button:hover {
  text-decoration: none;
  background: #374151;
}

.section {
  padding: 56px 0;
  border-top: 1px solid #d8d2c7;
}

.section > p {
  max-width: 720px;
  color: #4b5563;
}

.project-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.project {
  padding: 20px;
  background: #ffffff;
  border: 1px solid #e5e0d8;
  border-radius: 8px;
}

.project p {
  color: #4b5563;
}

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    min-height: auto;
    padding-top: 48px;
  }

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