:root {
  --color-bg: #f6f5f2;
  --color-surface: #efede8;
  --color-text: #1a1a1a;
  --color-text-secondary: #555555;
  --color-link: #2c2c2c;
  --color-link-hover: #111111;
  --color-rule: rgba(26, 26, 26, 0.12);

  --font-serif: "Cormorant", "Cormorant Garamond", "Iowan Old Style", "Times New Roman", serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --fs-body: 1.0625rem;
  --fs-body-mobile: 1rem;
  --fs-ui: 0.9375rem;
  --fs-hero: clamp(2.6rem, 7vw, 3.125rem);
  --fs-h2: clamp(1.75rem, 3vw, 2.1rem);
  --fs-h3: clamp(1.35rem, 3vw, 1.5rem);
  --fs-meta: 0.8125rem;

  --lh-body: 1.8;
  --lh-hero: 1.15;
  --lh-heading: 1.2;
  --lh-tight: 1.4;

  --header-width: 68rem;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4.5rem;
  --space-7: 6rem;
  --space-8: 7.5rem;
}

@font-face {
  font-display: swap;
  font-family: "Cormorant";
  font-style: normal;
  font-weight: 300;
  src: url("../fonts/cormorant-v24-latin-300.woff2") format("woff2");
}

@font-face {
  font-display: swap;
  font-family: "Cormorant";
  font-style: italic;
  font-weight: 300;
  src: url("../fonts/cormorant-v24-latin-300italic.woff2") format("woff2");
}

@font-face {
  font-display: swap;
  font-family: "Cormorant";
  font-style: normal;
  font-weight: 400;
  src: url("../fonts/cormorant-v24-latin-regular.woff2") format("woff2");
}

@font-face {
  font-display: swap;
  font-family: "Cormorant";
  font-style: italic;
  font-weight: 400;
  src: url("../fonts/cormorant-v24-latin-italic.woff2") format("woff2");
}

@font-face {
  font-display: swap;
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  src: url("../fonts/inter-v20-latin-regular.woff2") format("woff2");
}

@font-face {
  font-display: swap;
  font-family: "Inter";
  font-style: italic;
  font-weight: 400;
  src: url("../fonts/inter-v20-latin-italic.woff2") format("woff2");
}

@font-face {
  font-display: swap;
  font-family: "Inter";
  font-style: normal;
  font-weight: 500;
  src: url("../fonts/inter-v20-latin-500.woff2") format("woff2");
}

@font-face {
  font-display: swap;
  font-family: "Inter";
  font-style: normal;
  font-weight: 600;
  src: url("../fonts/inter-v20-latin-600.woff2") format("woff2");
}

@font-face {
  font-display: swap;
  font-family: "Inter";
  font-style: normal;
  font-weight: 700;
  src: url("../fonts/inter-v20-latin-700.woff2") format("woff2");
}

html {
  font-size: 100%;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  font-weight: 400;
  letter-spacing: normal;
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  margin: 0;
}

a {
  color: var(--color-link);
  text-decoration-thickness: 0.06em;
  text-underline-offset: 0.16em;
}

a:hover,
a:focus {
  color: var(--color-link-hover);
}

img {
  display: block;
  height: auto;
  max-width: 100%;
}

main,
header,
footer,
section,
article,
aside,
nav {
  display: block;
}

.site-header {
  padding: var(--space-3) var(--space-4) 0;
}

.site-header__inner {
  align-items: center;
  border-bottom: 1px solid var(--color-rule);
  display: flex;
  gap: var(--space-3);
  justify-content: space-between;
  margin: 0 auto;
  max-width: var(--header-width);
  padding: 0 0 var(--space-3);
}

.site-title,
.site-nav__link {
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--fs-ui);
  font-weight: 400;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.site-title {
  font-weight: 500;
}

.page {
  padding: 0 var(--space-4);
}

.reading-column {
  max-width: 40rem;
}

.hero {
  padding: var(--space-8) 0 var(--space-6);
}

.hero__eyebrow,
.book-meta,
.footer-note,
.signup-label {
  color: var(--color-text-secondary);
  font-family: var(--font-sans);
  font-size: var(--fs-meta);
  font-weight: 500;
  letter-spacing: 0.03em;
  line-height: var(--lh-tight);
  margin: 0 0 0.75rem;
}

.hero__title,
h1,
h2,
h3 {
  color: var(--color-text);
  margin-top: 0;
}

.hero__title,
h1 {
  font-family: var(--font-serif);
  font-style: normal;
  font-weight: 300;
  letter-spacing: normal;
  font-size: var(--fs-hero);
  line-height: var(--lh-hero);
  margin-bottom: var(--space-3);
}

h2 {
  font-family: var(--font-serif);
  font-size: var(--fs-h2);
  font-weight: 300;
  letter-spacing: normal;
  line-height: 1.18;
  margin-bottom: 0.9rem;
}

h3 {
  font-family: var(--font-sans);
  font-size: var(--fs-h3);
  font-weight: 500;
  line-height: 1.25;
  margin-bottom: var(--space-2);
}

h4,
h5,
h6,
label,
button,
input,
textarea,
select {
  font-family: var(--font-sans);
}

p,
li,
blockquote {
  margin-top: 0;
}

p,
ul,
ol,
blockquote,
figure {
  margin-bottom: var(--space-3);
}

.hero__intro,
.section-body p,
.book-copy p,
.signup-copy,
.site-footer p {
  color: var(--color-text-secondary);
  max-width: 66ch;
}

.hero__intro {
  font-size: 1.125em;
  line-height: 1.72;
}

.section-body p,
.book-copy p,
.signup-copy {
  color: #535353;
}

.section {
  padding: var(--space-7) 0 0;
}

.hero + .section {
  padding-top: var(--space-6);
}

.section:first-of-type {
  padding-top: 0;
}

.section-body > :last-child,
.book-copy > :last-child {
  margin-bottom: 0;
}

.book-cover {
  margin: 0;
}

.book-cover img {
  width: 100%;
}

.book-caption {
  color: var(--color-text-secondary);
  font-family: var(--font-sans);
  font-size: var(--fs-meta);
  line-height: var(--lh-tight);
  margin: var(--space-2) 0 0;
}

.signup {
  border-top: 1px solid var(--color-rule);
  margin-top: var(--space-7);
  padding-top: var(--space-6);
}

.signup-link {
  display: inline-block;
  font-size: var(--fs-ui);
  margin-top: 0.5rem;
  text-decoration: none;
}

.site-footer {
  color: var(--color-text-secondary);
  padding: var(--space-7) var(--space-4) var(--space-5);
}

.site-footer__inner {
  border-top: 1px solid var(--color-rule);
  margin: 0 auto;
  max-width: var(--header-width);
  padding-top: var(--space-3);
}

.site-footer p {
  font-size: var(--fs-meta);
  margin-bottom: 0;
}

@media (min-width: 750px) {
  .book-row {
    align-items: start;
  }

  .hero {
    padding-top: calc(var(--space-8) + var(--space-3));
    padding-bottom: var(--space-5);
  }

  .book-copy {
    margin-top: 0;
    padding-left: var(--space-3);
  }
}

@media (max-width: 749px) {
  body {
    font-size: var(--fs-body-mobile);
  }

  .site-header,
  .page,
  .site-footer {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }

  .site-header__inner {
    padding-bottom: var(--space-2);
  }

  .hero {
    padding-top: var(--space-7);
    padding-bottom: var(--space-5);
  }

  .section {
    padding-top: var(--space-6);
  }

  .book-copy {
    margin-top: var(--space-4);
  }
}