@font-face {
  font-family: "Site Didot";
  src: url("didot.woff") format("woff");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Site Sans";
  src: url("sans.woff") format("woff");
  font-weight: 400 700;
  font-display: swap;
}

:root {
  color-scheme: light;
  --paper: #f7f3e9;
  --ink: #202c69;
  --copy: #30354a;
  --accent: #a43f2c;
  --light-accent: #ffc4af;
  --rule: #bcb8b3;
  --serif: "Site Didot", Georgia, serif;
  --sans: "Site Sans", system-ui, sans-serif;
  --gutter: clamp(20px, 5.1vw, 80px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--copy); font: 400 1rem/1.65 var(--sans); }
img { display: block; max-width: 100%; }
a { color: inherit; text-underline-offset: 0.25em; }
a:focus-visible, summary:focus-visible { outline: 2px solid currentColor; outline-offset: 5px; }
::selection { color: var(--ink); background: #f0cabd; }
[id] { scroll-margin-top: 20px; }

h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { color: var(--ink); }
h1, h2 { font-family: var(--serif); font-weight: 400; }
h1 { margin-block: 22px; font-size: clamp(4.1rem, 8.8vw, 8.3rem); line-height: 0.92; letter-spacing: -0.052em; }
h2 { font-size: clamp(2.65rem, 5.1vw, 5rem); line-height: 1.02; letter-spacing: -0.042em; }
.title-dot { color: var(--accent); }

.wrap { width: min(calc(100% - 2 * var(--gutter)), 1240px); margin-inline: auto; }
.skip { position: fixed; z-index: 2; top: 12px; left: 12px; transform: translateY(calc(-100% - 20px)); padding: 10px 16px; background: var(--ink); color: var(--paper); }
.skip:focus { transform: none; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 15px; border-bottom: 1px solid var(--rule); }
.brand, nav, nav a { display: flex; align-items: center; }
.brand { gap: 10px; color: var(--ink); font: 400 1.43rem/1.1 var(--serif); text-decoration: none; }
.monogram { display: grid; place-items: center; flex: 0 0 37px; width: 37px; height: 37px; border: 1px solid var(--ink); border-radius: 50%; font: 700 0.68rem/1 var(--sans); letter-spacing: 0.04em; }
nav { gap: clamp(12px, 2.6vw, 42px); }
nav a { min-height: 44px; color: var(--ink); font-size: 0.84rem; font-weight: 650; text-decoration: none; }
nav a:hover, .text-link:hover { color: var(--accent); }

.hero { display: grid; grid-template-columns: minmax(0, 1.03fr) minmax(0, 0.97fr); gap: clamp(26px, 5vw, 76px); align-items: center; padding-block: clamp(27px, 4vw, 55px) clamp(24px, 3.6vw, 50px); }
.hero-copy { padding-block: 12px; }
.eyebrow { font-size: 0.72rem; font-weight: 700; line-height: 1.4; letter-spacing: 0.085em; text-transform: uppercase; }
.kicker { color: var(--accent); }
.hero-lede { max-width: 37ch; font-size: clamp(1.02rem, 1.45vw, 1.24rem); line-height: 1.55; }
.hero-art { background: var(--ink); }
.hero-art img { width: 100%; height: auto; aspect-ratio: 1.46; object-fit: cover; }

.entrances { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border: 1px solid var(--rule); }
.entrance { position: relative; display: grid; align-content: start; gap: 6px; padding: clamp(20px, 2.5vw, 35px); padding-inline-end: clamp(62px, 7vw, 94px); text-decoration: none; }
.entrance .eyebrow { color: var(--accent); }
.entrance strong { color: var(--ink); font: 400 clamp(1.75rem, 3.45vw, 3.3rem)/1.05 var(--serif); }
.entrance-copy { margin-top: 3px; font-size: 0.92rem; }
.round-arrow { position: absolute; display: grid; place-items: center; right: clamp(15px, 2.6vw, 34px); top: 50%; translate: 0 -50%; width: 38px; height: 38px; border: 1px solid currentColor; border-radius: 50%; font-size: 1.14rem; }
.entrance:hover { background: #f1e8d9; }
.entrance:focus-visible { outline-offset: -5px; }
.entrance-neuro { background: #e8e8f2; }
.entrance-neuro:hover { background: #dddded; }

.section { padding-block: clamp(52px, 7vw, 102px); }
.section-head, .biography { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr); align-items: end; gap: 18px clamp(28px, 7vw, 100px); }
.section-head h2, .biography h2 { margin-top: 12px; }
.section-head > p { max-width: 48ch; }

.book-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(18px, 2.7vw, 36px); margin-top: 32px; }
.book { display: flex; flex-direction: column; }
.book-title { min-height: 180px; display: flex; flex-direction: column; justify-content: space-between; gap: 12px; padding: clamp(16px, 2.35vw, 30px); }
.book-title h3 { color: inherit; font: 400 clamp(2rem, 3.55vw, 3.6rem)/0.95 var(--serif); letter-spacing: -0.035em; }
.book-blue { color: #fff5e6; background: #202c69; }
.book-rust { color: #fff5e6; background: #883e30; }
.book-lilac { color: #26254d; background: #e5deeb; }
.book-publisher { margin-block: 15px 6px; color: var(--accent); font-size: 0.8rem; font-weight: 700; }
.book > p:not(.book-publisher) { flex: 1; }
.book .text-link { align-self: flex-start; margin-top: 7px; }

.text-link, .button { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; color: var(--ink); font-size: 0.9rem; font-weight: 700; }
.button { justify-content: center; width: fit-content; min-height: 50px; padding: 10px 16px; text-decoration: none; line-height: 1.3; }
.button-primary { color: var(--paper); background: var(--ink); }
.button-primary:hover { background: #35438c; }
.button-primary:disabled { border: 0; background: var(--rule); color: var(--ink); font-family: inherit; }
.button-primary:focus-visible { outline-color: var(--ink); }
.literary-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 34px; border-block: 1px solid var(--rule); }
.literary-links a { display: flex; justify-content: space-between; align-items: center; gap: 14px; padding: 16px 20px 16px 0; color: var(--ink); text-decoration: none; }
.literary-links a + a { padding-left: 20px; border-left: 1px solid var(--rule); }
.literary-links a strong, .literary-links a small { display: block; }
.literary-links a small { margin-top: 3px; font-size: 0.84rem; }
.literary-links a:hover strong { text-decoration: underline; }

.dark-band { background: var(--ink); color: var(--paper); }
.dark-band h2, .dark-band h3 { color: inherit; }
.dark-band .section-head h2 { font-size: clamp(2rem, 4.65vw, 4.65rem); overflow-wrap: anywhere; }
.dark-band .kicker { color: var(--light-accent); }
.neuro-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(24px, 4.5vw, 66px); margin-top: 36px; align-items: start; }
.course-teaser { padding: clamp(22px, 3.4vw, 43px); background: var(--paper); color: var(--copy); }
.course-teaser .kicker { color: var(--accent); }
.course-teaser h3 { margin-block: 13px 14px; color: var(--ink); font: 400 clamp(2.1rem, 3.75vw, 3.7rem)/1.02 var(--serif); }
.course-teaser .button { margin-top: 21px; }
.topics h3, .media-section h3 { margin: 4px 0 15px; font: 400 clamp(1.4rem, 2.2vw, 2rem)/1.15 var(--serif); }
.topics details { border-top: 1px solid #8a91b5; }
.topics details:last-child { border-bottom: 1px solid #8a91b5; }
.topics summary { position: relative; display: flex; align-items: center; min-height: 51px; padding: 9px 24px 9px 0; font-weight: 650; list-style: none; cursor: pointer; }
.topics summary::-webkit-details-marker { display: none; }
.topics summary::after { content: "+" / ""; position: absolute; right: 4px; color: var(--light-accent); font-size: 1.12rem; }
.topics details[open] summary::after { content: "−" / ""; }
.topics details p { margin: 0 22px 15px 0; font-size: 0.9rem; }
.workshop-link { margin-top: 12px; color: var(--paper); }
.workshop-link:hover { color: var(--light-accent); }
.media-section { margin-top: 36px; }
.media-links { margin-top: 0; }
.neuro-links { --media-rule: #8a91b5; }
.neuro-links, .neuro-links a + a { border-color: #8a91b5; }
.neuro-links a { color: var(--paper); }
.media-links a:nth-child(n + 3) { border-top: 1px solid var(--media-rule, var(--rule)); }
.media-links a:nth-child(odd) { padding-left: 0; border-left: 0; }
.media-links a:last-child:nth-child(odd) { grid-column: 1 / -1; }

.biography { align-items: start; }
.prose p + p { margin-top: 14px; }
.prose .text-link { margin-top: 9px; }
.contact { background: #efe0d4; }
.contact-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: clamp(37px, 5.5vw, 76px); }
.contact h2 { margin: 9px 0; }
.contact .button { flex: 0 0 auto; }
.footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 75px; padding-block: 8px; color: var(--ink); font-size: 0.85rem; }

.course-page { padding-block: clamp(18px, 4vw, 45px) clamp(45px, 6vw, 78px); }
.back-link { margin-bottom: 16px; }
.course-heading { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr); gap: clamp(24px, 5vw, 76px); align-items: end; padding-bottom: clamp(34px, 5vw, 64px); }
.course-heading h1 { font-size: clamp(3.4rem, 7.2vw, 7.1rem); }
.course-facts { padding: 20px 23px; background: #e8e8f2; color: var(--ink); }
.course-facts ul { margin: 10px 0 0; padding-inline-start: 1.12rem; }
.lesson-section { border-top: 1px solid var(--rule); padding-top: 28px; }
.lesson-section h2 { margin-bottom: 22px; }
.lesson-list { padding: 0; margin: 0; list-style: none; }
.lesson-list li { display: grid; grid-template-columns: 28px minmax(0, 1fr) auto; align-items: start; gap: clamp(8px, 2.5vw, 28px); padding-block: 16px; border-top: 1px solid var(--rule); }
.lesson-list li:last-child { border-bottom: 1px solid var(--rule); }
.lesson-list h3 { font: 400 clamp(1.42rem, 2.65vw, 2.25rem)/1.12 var(--serif); }
.lesson-list p { margin-top: 4px; }
.lesson-number, .duration { color: var(--accent); font-weight: 700; font-size: 0.84rem; }
.duration { white-space: nowrap; }
.course-notify { margin-top: 36px; padding: clamp(20px, 3.6vw, 41px); background: #efe0d4; display: flex; align-items: center; justify-content: space-between; gap: 18px 28px; }
.course-notify h2 { font-size: clamp(1.9rem, 3.5vw, 3.4rem); margin-bottom: 8px; }
.course-notify .button { flex: 0 0 auto; }

@media (max-width: 760px) {
  .header-inner { display: grid; gap: 3px; padding-top: 11px; }
  nav { flex-wrap: wrap; gap: 0 13px; }
  nav a { font-size: 0.78rem; }
  .hero, .section-head, .biography, .neuro-grid, .course-heading { grid-template-columns: minmax(0, 1fr); }
  .hero-copy { padding-block: 0; }
  h1 { font-size: clamp(3.65rem, 11.4vw, 6rem); margin-block: 14px; }
  .hero-art img { aspect-ratio: 1.85; }
  .book-grid { gap: 13px; }
  .book-title { min-height: 145px; padding-inline: 13px; }
  .book-title h3 { font-size: clamp(1.72rem, 4.6vw, 2.55rem); }
}

@media (max-width: 540px) {
  .entrances, .book-grid, .literary-links { grid-template-columns: minmax(0, 1fr); }
  .entrances { gap: 0; }
  .entrance-neuro { border-top: 1px solid var(--rule); }
  .book-grid { gap: 27px; }
  .book-title { min-height: 130px; padding: 17px; }
  .book-title h3 { font-size: 2.4rem; }
  .literary-links a { padding-inline: 0; }
  .literary-links a + a { padding-left: 0; border-left: 0; border-top: 1px solid var(--rule); }
  .neuro-links a + a { border-color: #8a91b5; }
  .contact-inner, .course-notify { align-items: flex-start; flex-direction: column; }
  .lesson-list li { grid-template-columns: 22px minmax(0, 1fr); }
  .lesson-list .duration { grid-column: 2; }
}

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