:root {
  --black: #111;
  --ink: #292929;
  --grey: #777;
  --line: #d8d8d8;
  --soft: #f4f4f1;
  --white: #fff;
  --page: clamp(22px, 3.2vw, 52px);
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", "Cascadia Code", "Roboto Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100%;
  margin: 0;
  background: var(--white);
  color: var(--black);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible {
  outline: 1px solid currentColor;
  outline-offset: 5px;
}

.pascal {
  text-decoration: underline;
  text-decoration-thickness: 1px;
}

.site {
  min-height: 100svh;
  padding: clamp(26px, 3vw, 46px) var(--page) clamp(24px, 2.5vw, 40px);
  background: var(--white);
}

.landing-site {
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand::before {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  background: var(--black);
  content: "";
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(22px, 3vw, 42px);
}

.nav a,
.nav .product {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav a {
  position: relative;
}

.nav a::after {
  position: absolute;
  right: 0;
  bottom: -5px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.nav a:hover::after,
.nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.product {
  color: var(--grey);
}

.landing-main {
  display: grid;
  align-items: center;
  padding: clamp(72px, 10vh, 124px) 0;
}

.hero {
  width: 100%;
  max-width: 1240px;
}

h1 {
  max-width: 1150px;
  margin: 0;
  font-size: clamp(48px, 5.35vw, 86px);
  font-weight: 400;
  letter-spacing: -0.065em;
  line-height: 0.93;
  text-wrap: balance;
}

.description {
  max-width: 670px;
  margin: clamp(42px, 6vh, 70px) 0 0;
  color: #333;
  font-size: clamp(16px, 1.25vw, 19px);
  letter-spacing: -0.025em;
  line-height: 1.5;
}

.site-footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  color: var(--grey);
  font-family: var(--mono);
  font-size: 8px;
  line-height: 1.45;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--black);
}

/* Blog index */

.blog-site {
  display: flex;
  flex-direction: column;
}

.blog-main {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: clamp(100px, 14vh, 180px) 0 clamp(90px, 12vh, 150px);
}

.post-number,
.post-date,
.article-kicker,
.article-meta,
.article-label {
  font-family: var(--mono);
  font-size: 9px;
  line-height: 1.4;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.posts {
  border-top: 1px solid var(--black);
}

.post-card {
  display: grid;
  grid-template-columns: minmax(45px, 0.35fr) minmax(110px, 0.8fr) minmax(0, 3fr) 24px;
  gap: clamp(18px, 3vw, 52px);
  align-items: start;
  padding: clamp(28px, 3.2vw, 50px) 0;
  border-bottom: 1px solid var(--line);
}

.post-card:last-child {
  border-bottom-color: var(--black);
}

.post-number,
.post-date {
  padding-top: 5px;
}

.post-number {
  color: var(--grey);
}

.post-copy h2 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(27px, 3vw, 48px);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1.02;
}

.post-copy p {
  max-width: 620px;
  margin: 20px 0 0;
  color: var(--grey);
  font-size: 14px;
  letter-spacing: -0.015em;
  line-height: 1.55;
}

.post-arrow {
  display: inline-block;
  padding-top: 2px;
  font-size: 23px;
  transition: transform 180ms ease;
}

.post-card:hover .post-arrow {
  transform: translate(4px, -4px);
}

.blog-footer {
  margin-top: auto;
  padding-top: 0;
}

/* Articles */

.article-site {
  display: flex;
  min-height: 100svh;
  flex-direction: column;
}

.article-main {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: clamp(100px, 14vh, 178px) 0 clamp(100px, 14vh, 180px);
}

.article-header {
  display: grid;
  grid-template-columns: minmax(130px, 0.6fr) minmax(0, 2.4fr);
  gap: clamp(28px, 6vw, 110px);
  padding-bottom: clamp(62px, 8vw, 110px);
  border-bottom: 1px solid var(--black);
}

.article-kicker {
  margin: 8px 0 0;
  color: var(--grey);
}

.article-title {
  max-width: 1050px;
  font-size: clamp(50px, 6.1vw, 98px);
}

.article-meta {
  display: flex;
  gap: 24px;
  margin-top: 36px;
  color: var(--grey);
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(130px, 0.6fr) minmax(0, 2.4fr);
  gap: clamp(28px, 6vw, 110px);
  padding-top: clamp(60px, 8vw, 110px);
}

.article-label {
  position: sticky;
  top: 28px;
  align-self: start;
  margin: 0;
  color: var(--grey);
}

.article-body {
  max-width: 760px;
  color: var(--ink);
  font-size: clamp(18px, 1.55vw, 22px);
  letter-spacing: -0.025em;
  line-height: 1.55;
}

.article-body .lede {
  margin-top: 0;
  color: var(--black);
  font-size: clamp(25px, 2.3vw, 34px);
  letter-spacing: -0.04em;
  line-height: 1.25;
}

.article-body p {
  margin: 0 0 1.55em;
}

.article-body h2 {
  max-width: 650px;
  margin: 2.6em 0 0.7em;
  color: var(--black);
  font-size: clamp(31px, 3.2vw, 48px);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 1.02;
}

.article-body blockquote {
  margin: 2.4em 0;
  padding: 0 0 0 24px;
  border-left: 2px solid var(--black);
  color: var(--black);
  font-size: clamp(23px, 2vw, 30px);
  letter-spacing: -0.035em;
  line-height: 1.35;
}

.article-body em {
  font-family: Georgia, "Times New Roman", serif;
}

.article-signoff {
  margin-top: clamp(70px, 9vw, 120px);
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--black);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  line-height: 1.65;
  text-transform: uppercase;
}

.article-signoff p {
  margin: 0;
}

.article-next {
  display: grid;
  grid-template-columns: minmax(130px, 0.6fr) minmax(0, 2.4fr);
  gap: clamp(28px, 6vw, 110px);
  padding: clamp(42px, 6vw, 80px) 0 0;
  border-top: 1px solid var(--black);
}

.article-next span {
  color: var(--grey);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.article-next strong {
  max-width: 760px;
  font-size: clamp(28px, 3.6vw, 54px);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 1.02;
}

@media (max-width: 760px) {
  .brand {
    max-width: 185px;
    line-height: 1.08;
  }

  .nav {
    gap: 18px;
  }

  .landing-main {
    padding: 76px 0;
  }

  h1 {
    font-size: clamp(47px, 13.5vw, 68px);
    line-height: 0.94;
  }

  .description {
    margin-top: 40px;
    font-size: 15px;
    line-height: 1.48;
  }

  .blog-main,
  .article-main {
    padding-top: 88px;
  }

  .article-header,
  .article-layout,
  .article-next {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .article-title {
    font-size: clamp(46px, 13vw, 68px);
  }

  .post-card {
    grid-template-columns: 34px 1fr 20px;
    gap: 12px;
  }

  .post-date {
    grid-column: 2;
    grid-row: 1;
  }

  .post-number {
    grid-column: 1;
    grid-row: 1 / span 2;
  }

  .post-copy {
    grid-column: 2;
    grid-row: 2;
  }

  .post-copy h2 {
    font-size: 29px;
  }

  .post-arrow {
    grid-column: 3;
    grid-row: 2;
  }

  .article-label {
    position: static;
  }

  .article-body {
    font-size: 18px;
  }

  .article-next strong {
    font-size: 31px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}