:root {
  --ink: #182525;
  --muted: #586665;
  --paper: #f7f4ec;
  --white: #fff;
  --teal: #0f5b5a;
  --deep-teal: #16383a;
  --mint: #cbe1d5;
  --gold: #d7aa52;
  --line: #d9d8cf;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --wrap: min(1180px, calc(100% - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); line-height: 1.6; }
body, button { font-size: 16px; }
img { display: block; max-width: 100%; }
a { color: inherit; }
.wrap { width: var(--wrap); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; transform: translateY(-150%); background: var(--white); color: var(--ink); padding: 10px 16px; }
.skip-link:focus { transform: none; }

.site-header { z-index: 10; display: flex; align-items: center; justify-content: space-between; width: 100%; height: 92px; padding: 0 max(24px, calc((100vw - 1180px) / 2)); color: var(--white); }
.site-header--overlay { position: absolute; top: 0; left: 0; }
.site-header--solid { position: relative; background: var(--deep-teal); }
.wordmark { display: inline-flex; align-items: center; gap: 14px; color: inherit; text-decoration: none; font-size: .82rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.wordmark__mark { display: grid; place-items: center; width: 47px; height: 47px; border: 1px solid currentColor; border-radius: 50%; font-size: .62rem; letter-spacing: .08em; }
.site-nav { display: flex; align-items: center; gap: 34px; }
.site-nav a { position: relative; color: inherit; text-decoration: none; font-size: .77rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.site-nav a::after { position: absolute; left: 0; bottom: -8px; width: 0; height: 1px; background: currentColor; content: ''; transition: width .2s ease; }
.site-nav a:hover::after, .site-nav a[aria-current='page']::after { width: 100%; }
.nav-toggle { display: none; border: 0; background: transparent; color: inherit; }

.hero { position: relative; min-height: 760px; display: flex; align-items: flex-end; overflow: hidden; color: var(--white); background: #4f5c5d; }
.hero__image, .hero__shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__image { object-fit: cover; object-position: center 36%; transform: scale(1.02); }
.hero__shade { background: linear-gradient(90deg, rgba(10,25,25,.8) 0%, rgba(10,25,25,.44) 52%, rgba(10,25,25,.13) 100%), linear-gradient(0deg, rgba(9,27,27,.65), transparent 50%); }
.hero__content { position: relative; z-index: 1; padding-bottom: 92px; }
.eyebrow, .kicker { margin: 0 0 18px; font-size: .74rem; font-weight: 800; letter-spacing: .18em; line-height: 1.3; text-transform: uppercase; }
.eyebrow { color: #e8ca88; }
.hero h1, .page-hero h1, .about-hero h1 { max-width: 890px; margin: 0; font-family: var(--serif); font-size: clamp(3.6rem, 7.1vw, 6.8rem); font-weight: 400; letter-spacing: -.04em; line-height: .94; }
.hero__dek { max-width: 640px; margin: 28px 0 0; font-family: var(--serif); font-size: clamp(1.2rem, 2vw, 1.6rem); line-height: 1.45; }
.button-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 23px; border: 1px solid transparent; text-decoration: none; font-size: .76rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; transition: background .2s, color .2s, border .2s; }
.button--light { color: var(--deep-teal); background: var(--white); }
.button--light:hover { background: var(--mint); }
.button--gold { color: var(--deep-teal); background: #e8ca88; }
.button--gold:hover { background: var(--white); }
.button--ghost-light { border-color: rgba(255,255,255,.65); color: var(--white); }
.button--ghost-light:hover { border-color: var(--white); background: rgba(255,255,255,.12); }

.intro-section, .resource-preview, .reviews, .bio-section, .resource-section { padding: 108px 0; }
.intro-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 8vw; align-items: start; }
.kicker { color: var(--teal); }
.kicker--light { color: var(--mint); }
h2 { margin: 0; font-family: var(--serif); font-size: clamp(2.2rem, 4.5vw, 4rem); font-weight: 400; letter-spacing: -.035em; line-height: 1.08; }
.prose { color: var(--muted); }
.prose p { margin-top: 0; margin-bottom: 1.5em; }
.prose--large { font-family: var(--serif); font-size: 1.25rem; line-height: 1.75; }
.arrow-link { color: var(--teal); font-family: var(--sans); font-size: .76rem; font-weight: 800; letter-spacing: .08em; text-decoration: none; text-transform: uppercase; }
.arrow-link:hover { text-decoration: underline; text-underline-offset: 5px; }
.group-callout { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 34px; padding: 22px 26px; color: var(--white); background: var(--teal); font-family: var(--sans); font-size: .78rem; font-weight: 800; letter-spacing: .08em; line-height: 1.4; text-decoration: none; text-transform: uppercase; transition: background .2s, transform .2s; }
.group-callout span { font-size: 1.3rem; }
.group-callout:hover { transform: translateY(-3px); background: var(--deep-teal); }

.award-band { padding: 66px 0; color: var(--white); background: var(--deep-teal); }
.award-band__inner { display: flex; align-items: center; justify-content: center; gap: 44px; }
.award-seal { display: grid; flex: 0 0 116px; place-items: center; width: 116px; height: 116px; border: 1px solid #a8c7bc; border-radius: 50%; outline: 1px solid #a8c7bc; outline-offset: -8px; color: #e8ca88; font-family: var(--serif); font-size: 1.45rem; }
.award-band h2 { font-size: clamp(2rem, 4vw, 3.6rem); }
.award-band p:last-child { margin: 8px 0 0; color: #bad0c8; }

.resource-preview { background: #eeeadf; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 52px; }
.section-heading--rule { padding-bottom: 34px; border-bottom: 1px solid var(--line); }
.section-note { max-width: 390px; margin: 0; color: var(--muted); font-size: .9rem; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; }
.feature-card { position: relative; min-height: 390px; padding: 38px; color: var(--white); background: #273f40; text-decoration: none; transition: transform .2s, filter .2s; }
.feature-card:hover { z-index: 1; transform: translateY(-6px); filter: brightness(1.07); }
.feature-card--teal { background: var(--teal); }
.feature-card--gold { color: #273331; background: var(--gold); }
.feature-card__number { font-size: .72rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.feature-card h3 { margin: 120px 0 14px; font-family: var(--serif); font-size: 2rem; font-weight: 400; line-height: 1.1; }
.feature-card p { max-width: 30ch; margin: 0; opacity: .8; }
.feature-card__arrow { position: absolute; right: 30px; bottom: 25px; font-size: 1.4rem; }

.reviews { background: var(--white); }
.reviews-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin-top: 42px; background: var(--line); }
.reviews blockquote { margin: 0; padding: 42px; background: var(--white); }
.reviews blockquote p { margin: 0 0 30px; font-family: var(--serif); font-size: 1.35rem; line-height: 1.5; }
.reviews footer { font-size: .75rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.reviews footer span { display: block; margin-top: 4px; color: var(--muted); font-weight: 500; }
.review-link { display: inline-block; margin-top: 20px; color: var(--teal); font-size: .7rem; font-weight: 800; letter-spacing: .1em; text-decoration: none; text-transform: uppercase; }
.review-link:hover { text-decoration: underline; text-underline-offset: 4px; }

.site-footer { padding: 58px 0; color: #c4d3ce; background: #102b2d; }
.site-footer__grid { display: grid; grid-template-columns: 1.5fr 1fr auto; gap: 40px; align-items: end; }
.site-footer p { margin: 5px 0 0; font-size: .78rem; }
.site-footer__title { color: var(--white); font-family: var(--serif); font-size: 1.1rem !important; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 22px; }
.site-footer a { font-size: .74rem; font-weight: 700; letter-spacing: .08em; text-decoration: none; text-transform: uppercase; }
.site-footer a:hover { color: var(--white); }
.site-footer__meta { white-space: nowrap; }

.page-hero { padding: 100px 0; color: var(--white); background: var(--deep-teal); }
.page-hero__grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 7vw; align-items: end; }
.page-hero h1 { font-size: clamp(3.8rem, 7vw, 6.3rem); }
.page-hero__grid > p { max-width: 42ch; margin: 0 0 12px; color: #c6d9d1; font-family: var(--serif); font-size: 1.35rem; line-height: 1.55; }
.resource-section { background: var(--paper); }
.resource-section--tint { background: #e7eee9; }
.chapter-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.chapter-grid a { position: relative; min-height: 230px; padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-decoration: none; transition: color .2s, background .2s; }
.chapter-grid a:hover { color: var(--white); background: var(--teal); }
.chapter-grid span { display: block; font-size: .68rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.chapter-grid strong { display: block; margin: 12px 0 34px; font-family: var(--serif); font-size: 3.2rem; font-weight: 400; line-height: 1; }
.chapter-grid em { display: block; max-width: 20ch; font-family: var(--serif); font-size: 1rem; font-style: normal; line-height: 1.35; }
.link-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.link-card { display: flex; min-height: 320px; flex-direction: column; padding: 32px; border: 1px solid #b9cec5; background: rgba(255,255,255,.35); text-decoration: none; transition: transform .2s, background .2s; }
.link-card:hover { transform: translateY(-4px); background: var(--white); }
.link-card__tag { align-self: start; padding: 5px 9px; color: var(--teal); background: var(--mint); font-size: .65rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.link-card h3 { margin: 64px 0 14px; font-family: var(--serif); font-size: 1.8rem; font-weight: 400; line-height: 1.15; }
.link-card p { margin: 0 0 24px; color: var(--muted); }
.link-card .arrow-link { margin-top: auto; }
.tool-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 9vw; }
.tool-grid .prose { max-width: 44ch; }
.tool-links { border-top: 1px solid var(--line); }
.tool-links a { display: flex; align-items: center; justify-content: space-between; padding: 24px 8px; border-bottom: 1px solid var(--line); color: var(--ink); font-family: var(--serif); font-size: 1.3rem; text-decoration: none; }
.tool-links a:hover { color: var(--teal); padding-left: 16px; }

.detail-section { padding: 84px 0 112px; background: var(--paper); }
.detail-layout { max-width: 930px; }
.detail-back { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 54px; color: var(--teal); font-size: .72rem; font-weight: 800; letter-spacing: .1em; text-decoration: none; text-transform: uppercase; }
.detail-back:hover { text-decoration: underline; text-underline-offset: 5px; }
.detail-prose { color: var(--ink); font-family: var(--serif); font-size: 1.13rem; line-height: 1.82; }
.detail-prose h1 { max-width: 820px; margin: 0 0 48px; color: var(--ink); font-family: var(--serif); font-size: clamp(3.2rem, 7vw, 6rem); font-weight: 400; letter-spacing: -.045em; line-height: .98; }
.detail-prose h3 { margin: 62px 0 18px; color: var(--teal); font-family: var(--sans); font-size: .76rem; font-weight: 800; letter-spacing: .15em; line-height: 1.4; text-transform: uppercase; }
.detail-prose p { margin-bottom: 1.55em; }
.detail-prose a { color: var(--teal); text-decoration-thickness: 1px; text-underline-offset: 4px; }
.detail-prose a:hover { text-decoration-thickness: 2px; }
.detail-prose ul { margin: 0 0 2em; padding-left: 1.4em; }
.detail-prose li + li { margin-top: .65em; }
.detail-prose li p { margin-bottom: 0; }
.source-image { display: block; max-width: 760px; margin: 42px auto 0; }
.source-image img { width: 100%; height: auto; }

.about-hero { display: grid; min-height: 660px; grid-template-columns: 1.15fr .85fr; background: var(--deep-teal); }
.about-hero__image { position: relative; min-height: 570px; overflow: hidden; }
.about-hero__image::after { position: absolute; inset: 0; background: linear-gradient(90deg, transparent 60%, rgba(22,56,58,.35)); content: ''; }
.about-hero__image img { width: 100%; height: 100%; object-fit: cover; object-position: center; filter: saturate(.8); }
.about-hero__content { display: flex; flex-direction: column; justify-content: center; padding: 80px 7vw; color: var(--white); }
.about-hero h1 { font-size: clamp(4.5rem, 8vw, 7rem); }
.about-hero__content > p:last-child { max-width: 34ch; margin: 30px 0 0; color: #c6d9d1; font-family: var(--serif); font-size: 1.25rem; }
.bio-grid { display: grid; grid-template-columns: 250px 1fr; gap: 9vw; }
.bio-grid aside { position: sticky; top: 40px; align-self: start; }
.bio-grid aside nav { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.bio-grid aside a { display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: .78rem; font-weight: 700; text-decoration: none; }
.prose--bio { max-width: 760px; font-family: var(--serif); font-size: 1.2rem; line-height: 1.8; }
.prose--bio .lede { color: var(--ink); font-size: 1.75rem; line-height: 1.5; }
.prose--bio a { color: var(--teal); text-decoration-thickness: 1px; text-underline-offset: 4px; }
.prose--bio a:hover { text-decoration-thickness: 2px; }

a:focus-visible, button:focus-visible { outline: 3px solid #f1c15d; outline-offset: 4px; }

@media (max-width: 900px) {
  .wordmark__text { display: none; }
  .hero { min-height: 700px; }
  .intro-grid, .page-hero__grid, .tool-grid { grid-template-columns: 1fr; }
  .feature-grid, .reviews-grid, .link-card-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 300px; }
  .feature-card h3 { margin-top: 70px; }
  .reviews blockquote { padding: 32px; }
  .chapter-grid { grid-template-columns: repeat(2, 1fr); }
  .about-hero { grid-template-columns: 1fr 1fr; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
  .site-footer__meta { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  :root { --wrap: min(100% - 30px, 1180px); }
  .site-header { height: 76px; padding-inline: 15px; }
  .wordmark__mark { width: 42px; height: 42px; }
  .nav-toggle { z-index: 12; display: flex; width: 44px; height: 44px; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
  .nav-toggle span:not(.sr-only) { width: 22px; height: 1px; background: currentColor; }
  .site-nav { position: fixed; z-index: 11; inset: 0; display: none; flex-direction: column; align-items: flex-start; justify-content: center; gap: 28px; padding: 72px 30px; color: var(--white); background: var(--deep-teal); }
  .site-nav.is-open { display: flex; }
  .site-nav a { font-family: var(--serif); font-size: 2rem; font-weight: 400; letter-spacing: -.02em; text-transform: none; }
  .hero { min-height: 680px; }
  .hero__content { padding-bottom: 52px; }
  .hero h1 { font-size: clamp(3rem, 15vw, 4.4rem); }
  .hero__dek { font-size: 1.1rem; }
  .button { width: 100%; }
  .intro-section, .resource-preview, .reviews, .bio-section, .resource-section { padding: 72px 0; }
  .detail-section { padding: 58px 0 76px; }
  .detail-back { margin-bottom: 38px; }
  .detail-prose { font-size: 1.02rem; line-height: 1.72; }
  .detail-prose h1 { margin-bottom: 36px; }
  .detail-prose h3 { margin-top: 48px; }
  .award-band__inner { align-items: flex-start; gap: 25px; }
  .award-seal { flex-basis: 82px; width: 82px; height: 82px; font-size: 1rem; }
  .section-heading { align-items: flex-start; flex-direction: column; }
  .chapter-grid { grid-template-columns: 1fr; }
  .chapter-grid a { min-height: 180px; }
  .chapter-grid strong { margin-bottom: 20px; }
  .about-hero { grid-template-columns: 1fr; }
  .about-hero__image { min-height: 430px; }
  .about-hero__content { padding: 60px 24px; }
  .bio-grid { grid-template-columns: 1fr; }
  .bio-grid aside { position: static; }
  .prose--bio .lede { font-size: 1.45rem; }
  .site-footer__grid { grid-template-columns: 1fr; align-items: start; }
  .site-footer__meta { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}