* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  background-color: #fff;
  color: #23262A;
  font-family: "Public Sans", sans-serif;
  font-weight: 325;
  font-size: 18px;
  line-height: 1.6;
  margin: 0;
  -webkit-font-smoothing: antialiased;
}


/* Basic Typography */
h1, h2 {
  line-height: 1.2;
  font-weight: 200;
  letter-spacing: -0.03em;
  color: #000;
}
h1 {
  font-size: 3.5rem;
  font-weight: 150;
  margin-bottom: 3.5rem;
}
h2 {
  font-size: 1.8rem;
  font-weight: 200;
  line-height: 1.4;
  margin-bottom: 0.8rem;
}
h3 {
  font-size: 1.25rem;
  font-weight: 500;
}
p {
  margin-bottom: 1rem;
}
ul {
  margin: 0 0 1.5rem 1.25rem;
}
li {
  margin-bottom: 0.5rem;
}
a {
  color: #000;
  text-decoration-color: #CCD1D9;
  text-underline-offset: 0.18em;
}
.nowrap {
  white-space: nowrap;
}
.external-icon {
  display: inline-block;
  width: 0.8em;
  height: 0.8em;
  margin-left: 0.1em;
  vertical-align: middle;
}
strong {
  font-weight: 500;
  color: #000;
}
.logo {
  font-weight: 700;
  letter-spacing: -0.025em;
  text-transform: uppercase;
  color: #000;
}


/* Layout */
nav,
header,
section,
article,
footer {
  width: 100%;
}
section {
  padding: 3rem 0;
}
.container {
  max-width: 690px;
  margin: 0 auto;
  padding: 0 1.125rem;
}

/* ReadingProgess Tracker */
.reading-progress-track {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  width: 100%;
  height: 3px;
  background-color: #D6DBE1;
}
.reading-progress {
  width: 0;
  height: 100%;
  background-color: #000E;
}


/* Notice */
section.notice {
  padding: 0.875rem 0;
  background-color: #000;
  color: #fff;
}
section.notice p {
  margin: 0;
  font-size: 0.95rem;
  text-align: center;
}
section.notice strong {
  color: #fff;
}
section.notice a {
  color: #fff;
  text-decoration-color: #666;
}


/* Navigation */
nav {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.nav .logo {
  font-size: 1.2rem;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.nav-menu a {
  text-decoration: none;
  font-size: 0.8rem;
  text-transform: uppercase;
  font-weight: 500;
}


/* Header */
header {
  padding: 8rem 0;
}
header h1 {
  margin-bottom: 1rem;
}
.kicker {
  margin-bottom: 2rem;
}
.kicker span {
  color: #BBC2CC;
}


/* Intro Section */
section.intro {
  background-color: #F0F2F4;
}


/* Bio Section */
section.bio {
  border-bottom: 1px solid #D6DBE1;
}
section.bio h2 {
  margin-top: 0;
}
.bio-layout {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
}
.bio-portrait {
  width: 150px;
  height: auto;
  display: block;
  flex: 0 0 auto;
}
.bio-copy {
  min-width: 0;
  max-width: 18rem;
}
.bio-copy li {
  margin-bottom: 0;
}
.bio-copy> :first-child {
  margin-top: 0;
  margin-bottom: 0;
}
.bio-copy> :last-child {
  margin-bottom: 0;
}


/* Article */
article {
  padding: 5rem 0;
}
article h2 {
  margin-top: 3.5rem;
}
article .container> :first-child {
  margin-top: 0;
}
article .container> :last-child {
  margin-bottom: 0;
}
.callout {
  background-color: #F0F2F4;
  padding: 1.5rem 1.5rem;
}
.signature {
  margin-top: 1.5rem;
}


/* Currently Thinking */
section.currently-thinking {
  color: #23262A;
  background-color: #F0F2F4;
}
section.currently-thinking p {
  font-size: 1rem;
  margin: 0;
}


/* Footer */
footer {
  padding-top: 3.0rem;
  padding-bottom: 1.5rem;
}
.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0;
  font-size: 0.9rem;
}
footer .logo {
  font-size: 0.95em;
}


@media (max-width: 500px) {
  section.bio {
    padding-bottom: 4rem;
  }
  .bio-layout {
    flex-direction: column;
    align-items: flex-start;
  }
  .bio-copy {
    max-width: unset;
  }
}

@media (max-width: 640px) {
  .reading-progress-track {
    display: block;
  }
  .nav-menu {
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
  }
  header {
    padding: 6rem 0;
  }
  h1 {
    font-size: 2.75rem;
  }
  article {
    padding-top: 4rem;
  }
}