.group-photo {
  max-width: 100%;   /* makes it responsive */
  height: auto;
  border-radius: 8px;  /* slightly rounded corners */
  margin: 1rem 0;
}

:root {
  --fg: #111;
  --bg: #fff;
  --muted: #666;
  --brand: #2f6feb;
  --card: #f6f8fa;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

header {
  border-bottom: 1px solid #e5e7eb;
  background: linear-gradient(180deg, #fff, #fafbfc);
}

.container {
  max-width: 960px;
  margin: auto;
  padding: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: .75rem;
}

.brand .logo {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--brand);
  display: inline-block;
}

nav {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

nav a {
  color: var(--fg);
  text-decoration: none;
  padding: .25rem .5rem;
  border-radius: .5rem;
}

nav a:hover,
nav a:focus {
  background: var(--card);
}

.hero {
  padding: 3rem 0;
}

.hero h1 {
  font-size: clamp(1.8rem, 2.5vw+1rem, 3rem);
  margin: .5rem 0;
}

.hero p {
  color: var(--muted);
  max-width: 60ch;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.card {
  background: var(--card);
  padding: 1rem;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
}

footer {
  margin-top: 3rem;
  border-top: 1px solid #e5e7eb;
  color: var(--muted);
}

code {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  padding: .1rem .3rem;
}

.social-links {
  display: flex;          /* put items in a row */
  justify-content: center; /* center them inside the card */
  gap: 0.5rem;            /* space between icons */
  margin-top: 0.75rem;
}

.social-links img {
  width: 24px;            /* make them smaller */
  height: 24px;
  border-radius: 4px;
  transition: transform 0.2s;
}

.social-links img:hover {
  transform: scale(1.1);  /* little zoom on hover */
}