:root {
  --text: #111111;
  --muted: #666666;
  --border: #ececec;
  --background: #ffffff;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  background: var(--background);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}

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

.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}


section {
  padding: 96px 0;
}

.divider {
  border-top: 1px solid var(--border);
}

.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 720px;
}

.avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 32px;
  border: 1px solid var(--border);
}

.name {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
}

h1 {
  font-size: clamp(42px, 7vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.04em;
  font-weight: 800;
  margin-bottom: 24px;
  max-width: 900px;
}

.hero-description {
  font-size: 20px;
  color: var(--muted);
  max-width: 680px;
  margin-bottom: 40px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 22px;
  border-radius: 12px;
  border: 1px solid var(--text);
  font-weight: 600;
  transition: 0.2s ease;
}

.button:hover {
  background: var(--text);
  color: white;
}

.section-header {
  margin-bottom: 48px;
}

h2 {
  font-size: 42px;
  line-height: 1.1;
  margin-bottom: 12px;
  letter-spacing: -0.03em;
}

.section-description {
  color: var(--muted);
  max-width: 680px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
  background: white;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
}

.card-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

.card-description {
  color: var(--muted);
  font-size: 15px;
}

footer {
  padding: 32px 0 48px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  font-weight: 500;
  color: var(--muted);
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--text);
}

.copyright {
  color: var(--muted);
}

@media (max-width: 768px) {
  section {
    padding: 72px 0;
  }

  .hero {
    min-height: auto;
    padding-top: 72px;
  }

  .hero-description {
    font-size: 18px;
  }

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

  h2 {
    font-size: 34px;
  }

  .footer-content {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-links {
    flex-direction: column;
    gap: 12px;
  }
}