:root {
  color-scheme: dark;
  font-family: Arial, Helvetica, sans-serif;
  color: #fafafa;
  background: #242424;
  -webkit-font-smoothing: antialiased;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

.particle-trail {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.page {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  padding: clamp(24px, 5vw, 64px);
}

.site-header {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -1px;
}

.site-name {
  color: inherit;
  text-decoration: none;
}

.page-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-top: 20px;
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0;
}

.page-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding-right: 16px;
  color: #b5b5b5;
  text-decoration: none;
}

.page-links a:hover,
.page-links a[aria-current="page"] {
  color: #fafafa;
  text-decoration: underline;
  text-underline-offset: 6px;
}

a:focus-visible {
  outline: 2px solid #fafafa;
  outline-offset: 4px;
}

.content-page {
  align-items: flex-start;
  width: 100%;
  max-width: 720px;
  margin-inline: auto;
}

.content-page h1 {
  width: auto;
  margin-bottom: 20px;
  font-size: clamp(36px, 6vw, 64px);
}

.content-page p {
  margin: 0 0 16px;
  color: #b5b5b5;
  font-size: 18px;
  line-height: 1.7;
}

.content-page p a,
.semester-classes a {
  color: #fafafa;
  text-underline-offset: 4px;
}

.personal-interests,
.semester-classes {
  width: 100%;
  margin-top: 24px;
  padding-top: 32px;
  border-top: 1px solid #555;
}

.semester-classes h2 {
  margin: 0 0 16px;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.5;
}

.semester-classes ol {
  margin: 0 0 16px;
  padding-left: 1.5em;
  color: #b5b5b5;
  font-size: 18px;
  line-height: 1.7;
}

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

.social-links {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 20px;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 6px;
  color: #aaa;
}

.social-links a:hover,
.social-links a:focus-visible {
  color: #fafafa;
  background: #333;
}

.social-links a:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 2px;
}

.social-links svg {
  width: 24px;
  height: 24px;
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding-block: 64px;
}

.subtitle {
  margin: 20px 0 0;
  color: #b5b5b5;
  font-size: clamp(18px, 2.5vw, 24px);
  line-height: 1.5;
  text-align: center;
}

h1 {
  /* Reserve the full line so the greeting stays still as it types. */
  width: 13ch;
  margin: 0;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: clamp(24px, 6.5vw, 96px);
  font-weight: 400;
  line-height: 1.3;
}

.typewriter {
  display: block;
  position: relative;
  width: 100%;
  overflow: hidden;
  white-space: nowrap;
  /* Use the same character width for every typing step. */
  letter-spacing: 0;
  animation: typing 1.8s steps(13, end) 0.45s both;
}

.typewriter::after {
  content: "";
  position: absolute;
  inset: 0.12em 0 0.12em auto;
  width: 2px;
  background: transparent;
  animation: cursor 0.85s step-end 6;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
  padding-top: 20px;
  border-top: 1px solid #3e3e3e;
  color: #aaa;
  font-size: 12px;
  letter-spacing: 0.04em;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes cursor {
  0%, 100% { background: transparent; }
  50% { background: #fafafa; }
}

@media (prefers-reduced-motion: reduce) {
  .particle-trail {
    display: none;
  }

  .typewriter,
  .typewriter::after {
    animation: none;
  }
}