*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --page: #f6f7f9;
  --surface: #ffffff;
  --ink: #16202a;
  --muted: #5d6978;
  --line: #dfe4ea;
  --accent: #176b87;
  --accent-dark: #0f4c61;
  --tag: #edf6f8;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--page);
  line-height: 1.6;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
}

.nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.nav-links a {
  padding: 8px 10px;
  border-radius: 6px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
}

.nav-links a[aria-current="page"],
.nav-links a:hover {
  color: var(--accent-dark);
  background: var(--tag);
}

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 42px 20px 56px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 36px;
  align-items: center;
  padding: 26px 0 34px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1,
h2,
h3 {
  line-height: 1.15;
  letter-spacing: 0;
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(34px, 6vw, 58px);
}

h2 {
  margin: 0 0 16px;
  font-size: clamp(24px, 4vw, 34px);
}

h3 {
  margin: 0 0 8px;
  font-size: 19px;
}

p {
  margin: 0 0 14px;
  color: var(--muted);
}

.lead {
  max-width: 720px;
  font-size: 18px;
}

.avatar {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--surface);
  display: grid;
  place-items: center;
  color: var(--accent-dark);
  font-size: 56px;
  font-weight: 800;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 9px 14px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  color: var(--accent-dark);
  background: var(--surface);
  text-decoration: none;
  font-weight: 800;
}

.button.primary {
  color: #ffffff;
  background: var(--accent);
}

.section {
  padding: 30px 0;
  border-top: 1px solid var(--line);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.card p:last-child {
  margin-bottom: 0;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 14px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 9px;
  border-radius: 999px;
  color: var(--accent-dark);
  background: var(--tag);
  border: 1px solid #c7e3ea;
  font-size: 12px;
  font-weight: 700;
}

.list {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.list li + li {
  margin-top: 8px;
}

.contact-list {
  display: grid;
  gap: 10px;
  max-width: 680px;
}

.contact-list a {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #ffffff;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 13px;
}

.footer-inner a {
  color: var(--accent-dark);
  font-weight: 700;
  text-decoration: none;
}

@media (max-width: 820px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .grid,
  .grid.two {
    grid-template-columns: 1fr;
  }

  .avatar {
    max-width: 190px;
  }
}

@media (max-width: 520px) {
  main {
    padding: 28px 14px 44px;
  }

  .nav {
    padding: 12px 14px;
  }

  .nav-links {
    width: 100%;
  }

  .nav-links a {
    flex: 1 1 auto;
    text-align: center;
  }

  .button {
    width: 100%;
  }
}