:root {
  --background: #e8f0ff;
  --surface: #ffffff;
  --text: #172740;
  --muted: #475971;
  --accent: #184caa;
  --border: #d2dff3;
  font-family: "Instrument Sans", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background-color: var(--background);
  color: var(--text);
  line-height: 1.6;
}

.container {
  width: min(68rem, calc(100% - 2rem));
  margin-inline: auto;
  padding-block: clamp(1rem, 5vw, 4rem);
}

.header {
  display: flex;
  min-height: clamp(13rem, 30vw, 23rem);
  padding: clamp(1.7rem, 6vw, 4rem);
  background: linear-gradient(125deg, #101e38 20%, #214d96);
  color: #fcfcfc;
  border-radius: 1.25rem;
  align-items: center;
  justify-content: center;
  text-align: center;

 
}

h1 {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(2.25rem, 7vw, 5.5rem);
  line-height: 1.02;
  letter-spacing: -0.055em;
}

main {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 1rem;
  margin-top: 1rem;
}

section {
  min-width: 0;
  padding: clamp(1.25rem, 4vw, 2rem);
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
}

h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  line-height: 1.2;
  letter-spacing: -0.03em;
}

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

#skills ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

#skills li {
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background-color: var(--background);
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 600;
}

#projects,
#contact {
  grid-column: 1 / -1;
}

#projects ul {
  margin: 0;
  padding-left: 1.25rem;
}

#projects li {
  padding-block: 0.65rem;
}

#projects li + li {
  border-top: 1px solid var(--border);
}

#projects li::marker {
  color: var(--accent);
}

.project-note {
  margin-top: 0.75rem;
  font-weight: 600;
}

a {
  color: var(--accent);
  overflow-wrap: anywhere;
  text-underline-offset: 0.2em;
}

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

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
#about, #skills, #projects {
  transition: transform 180ms ease;
}

#contact {
  transition: transform 350ms ease;
}

#about:hover, #skills:hover, #projects:hover, #contact:hover{
  transform: scale(1.03);
}

#skills li {
  transition: transform 250ms ease;
}

#skills li:hover {
  transform: translateY(-4px) scale(1.08);
}