:root {
  color-scheme: dark;
  --navy: #071923;
  --navy-soft: #0d222d;
  --paper: #f3f1ec;
  --paper-light: #faf9f6;
  --ink: #11191d;
  --muted: #697176;
  --gold: #c9aa71;
  --gold-light: #e0cb9f;
  --line-dark: rgba(255,255,255,.16);
  --line-light: rgba(10,24,32,.14);
  --sans: "DM Sans", "Segoe UI", Arial, sans-serif;
  --serif: "Libre Baskerville", "Bodoni MT", Didot, Georgia, serif;
  --container: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 15px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { width: min(calc(100% - 56px), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 99; top: 12px; left: 12px; padding: 10px 15px; color: var(--navy); background: white; transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.site-header { position: absolute; top: 0; z-index: 10; width: 100%; color: white; }
.header-inner { height: 82px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.18); }
.brand img { width: 158px; height: auto; }
.site-header nav { display: flex; align-items: center; gap: 31px; margin-left: auto; margin-right: 42px; }
.site-header nav a, .nav-contact { font-size: 11px; color: rgba(255,255,255,.8); transition: color .2s ease; }
.site-header nav a:hover, .nav-contact:hover { color: var(--gold-light); }
.nav-contact { border-bottom: 1px solid var(--gold); padding: 8px 0; color: white; }
.nav-contact span { color: var(--gold-light); margin-left: 13px; }
.hero { position: relative; min-height: 700px; overflow: hidden; isolation: isolate; background: var(--navy); color: white; display: flex; align-items: center; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(7,25,35,1) 0%, rgba(7,25,35,.97) 35%, rgba(7,25,35,.62) 70%, rgba(7,25,35,.75) 100%); }
.hero-image { position: absolute; inset: 0 0 0 43%; z-index: -2; overflow: hidden; background: #0b1b24 url("gfx/hero-ai-consulting.png") center right / cover no-repeat; }
.hero-glow { position: absolute; width: 410px; height: 410px; border-radius: 50%; left: 36%; top: 19%; background: radial-gradient(circle at 35% 30%, rgba(224,203,159,.42), rgba(201,170,113,.1) 39%, transparent 69%); filter: blur(8px); }
.hero-lines { position: absolute; inset: 0; opacity: .1; background-image: linear-gradient(rgba(234,231,218,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(234,231,218,.12) 1px, transparent 1px); background-size: 66px 66px; mask-image: linear-gradient(130deg, transparent 3%, black 90%); }
.hero-orbit { position: absolute; border: 1px solid rgba(223,203,159,.37); border-radius: 50%; width: 660px; height: 270px; left: 5%; top: 34%; transform: rotate(-28deg); }
.orbit-b { width: 720px; height: 205px; left: -2%; top: 36%; border-color: rgba(183,205,212,.32); transform: rotate(28deg); }
.hero-core { position: absolute; width: 175px; height: 175px; left: 44%; top: 31%; display: grid; place-items: center; border: 1px solid rgba(224,203,159,.6); border-radius: 50%; box-shadow: 0 0 0 28px rgba(201,170,113,.035), 0 0 0 74px rgba(201,170,113,.025); color: var(--gold-light); font: italic 54px var(--serif); }
.hero-core i { position: absolute; width: 235px; height: 1px; background: rgba(224,203,159,.56); transform: rotate(-40deg); }
.hero-glow, .hero-orbit, .hero-core { display: none; }
.hero-caption { position: absolute; left: 42px; right: 42px; bottom: 48px; display: flex; justify-content: space-between; color: rgba(255,255,255,.57); font-size: 9px; letter-spacing: .16em; text-transform: uppercase; }
.hero-inner { position: relative; z-index: 2; padding-top: 75px; padding-bottom: 95px; }
.eyebrow { margin: 0 0 21px; display: flex; align-items: center; gap: 10px; color: var(--gold); font-size: 9px; font-weight: 600; letter-spacing: .17em; text-transform: uppercase; }
.eyebrow > span { width: 6px; height: 6px; display: inline-block; background: var(--gold); border-radius: 50%; box-shadow: 0 0 12px rgba(201,170,113,.65); }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: var(--serif); font-weight: 400; letter-spacing: -.055em; }
h1 em, h2 em { color: var(--gold-light); font-style: italic; }
.hero h1 { max-width: 800px; margin: 0; font-size: clamp(53px, 7vw, 88px); line-height: 1.12; }
.hero-intro { max-width: 455px; margin: 22px 0 0; color: rgba(255,255,255,.73); font-size: 14px; line-height: 1.8; }
.hero-actions { display: flex; align-items: center; gap: 30px; margin-top: 34px; }
.button { min-height: 47px; padding: 0 19px; display: inline-flex; align-items: center; gap: 25px; font-size: 10px; font-weight: 600; transition: background .2s ease, color .2s ease, transform .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-gold { background: var(--gold); color: var(--navy); }
.button-gold:hover { background: var(--gold-light); }
.button span { font-size: 16px; }
.text-link { color: rgba(255,255,255,.78); font-size: 10px; }
.text-link span { margin-left: 10px; color: var(--gold-light); }
.hero-bottom { position: absolute; left: 0; right: 0; bottom: 25px; display: flex; justify-content: space-between; color: rgba(255,255,255,.5); font-size: 8px; letter-spacing: .15em; text-transform: uppercase; }
.facts-band { background: var(--paper-light); border-bottom: 1px solid var(--line-light); }
.facts { display: grid; grid-template-columns: repeat(4, 1fr); padding: 23px 0; }
.facts p { margin: 0; padding: 0 21px; border-left: 1px solid var(--line-light); display: flex; flex-direction: column; gap: 3px; }
.facts p:first-child { border-left: 0; padding-left: 0; }
.facts strong { font-size: 10px; font-weight: 600; }
.facts span { color: var(--muted); font-size: 9px; }
.section-paper { background: var(--paper); }
.approach { padding: 115px 0 128px; }
.approach-head { display: grid; grid-template-columns: 1.05fr .72fr; align-items: end; gap: 9%; }
.approach-head .eyebrow, .resources .eyebrow { color: #987a43; }
.approach h2, .section-heading h2, .learning h2, .resources h2, .contact h2 { margin: 0; font-size: clamp(42px, 5vw, 65px); line-height: 1.18; }
.approach h2 em, .learning h2 em, .resources h2 em { color: #967844; }
.approach-head > p { max-width: 430px; margin: 0 0 4px; color: #5d666b; font-size: 13px; line-height: 1.9; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; margin-top: 68px; padding-top: 21px; border-top: 1px solid var(--line-light); }
.principles article { padding-top: 9px; }
.principles article > span, .resource-cards article > span { color: #8a744e; font-size: 8px; letter-spacing: .13em; text-transform: uppercase; }
.principles h3 { margin: 23px 0 10px; font: 400 22px var(--serif); letter-spacing: -.04em; }
.principles p { max-width: 315px; margin: 0; color: #657075; font-size: 11px; line-height: 1.85; }
.section-dark { color: white; background: var(--navy); }
.consulting { padding: 115px 0 125px; }
.consulting-inner { display: grid; grid-template-columns: .8fr 1.2fr; gap: 11%; }
.section-heading h2 { font-size: clamp(41px, 4.8vw, 62px); }
.section-heading h2 em, .books h2 em, .contact h2 em { color: var(--gold-light); }
.section-intro { max-width: 335px; margin: 23px 0 0; color: rgba(255,255,255,.63); font-size: 12px; line-height: 1.8; }
.service-list { border-top: 1px solid var(--line-dark); }
.service { display: grid; grid-template-columns: 40px 1fr 20px; gap: 17px; align-items: start; padding: 25px 0 27px; border-bottom: 1px solid var(--line-dark); }
.service-index { padding-top: 5px; color: var(--gold); font-size: 9px; letter-spacing: .1em; }
.service h3 { margin: 0 0 7px; font: 400 21px var(--serif); }
.service p { max-width: 430px; margin: 0; color: rgba(255,255,255,.63); font-size: 11px; line-height: 1.8; }
.service-symbol { padding-top: 3px; color: var(--gold); font-size: 16px; }
.learning { padding: 105px 0; }
.learning-grid { display: grid; grid-template-columns: .9fr 1fr; align-items: center; gap: 12%; }
.learning-mark { min-height: 350px; margin: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 15px; }
.learning-mark img { display: block; width: min(68%, 238px); height: auto; aspect-ratio: 1; object-fit: contain; }
.learning-mark figcaption { color: #47575e; font-size: 9px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; }
.learning-copy { max-width: 490px; }
.learning-copy .eyebrow { color: #987a43; }
.learning-copy > p:not(.eyebrow) { margin: 21px 0 17px; color: #5d666b; font-size: 12px; line-height: 1.9; }
.text-link-dark { color: var(--navy); border-bottom: 1px solid #b9985b; padding-bottom: 7px; }
.books { padding: 100px 0 108px; }
.books-heading { display: flex; justify-content: space-between; align-items: end; gap: 12%; }
.books-heading > p { max-width: 420px; margin: 0 0 5px; color: rgba(255,255,255,.66); font-size: 11px; line-height: 1.9; }
.books h2 { margin: 0; font-size: clamp(44px, 5vw, 66px); line-height: 1.16; }
.book-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-top: 48px; }
.book-card { display: grid; grid-template-columns: minmax(118px, .72fr) 1fr; align-items: center; gap: 23px; min-height: 250px; padding: 20px; border: 1px solid var(--line-dark); background: rgba(255,255,255,.025); }
.book-card-cover { display: block; width: 100%; height: auto; aspect-ratio: 0.707; object-fit: cover; box-shadow: 0 18px 36px rgba(0,0,0,.34); }
.book-card-copy { display: flex; flex-direction: column; align-items: flex-start; }
.book-kicker { color: var(--gold); font-size: 8px; letter-spacing: .14em; text-transform: uppercase; }
.book-card h3 { margin: 13px 0 8px; font: 400 clamp(20px, 2vw, 26px)/1.18 var(--serif); }
.book-card h3 em { color: var(--gold-light); font-style: italic; }
.book-card p { margin: 0 0 17px; color: rgba(255,255,255,.58); font: italic 11px/1.7 var(--serif); }
.book-link { margin-top: auto; padding-bottom: 5px; color: var(--gold-light); border-bottom: 1px solid rgba(224,203,159,.5); font-size: 9px; letter-spacing: .04em; }
.book-link span { margin-left: 6px; }
.resources { padding: 110px 0 112px; }
.resources-heading { display: flex; justify-content: space-between; align-items: end; gap: 12%; }
.resources-heading > p { max-width: 420px; margin: 0 0 5px; color: #5d666b; font-size: 11px; line-height: 1.9; }
.resources h2 { font-size: clamp(40px, 4.5vw, 58px); }
.resource-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 27px; margin-top: 50px; }
.resource-cards article { min-height: 220px; padding: 22px 21px; border: 1px solid var(--line-light); display: flex; flex-direction: column; align-items: flex-start; }
.resource-cards h3 { margin: 24px 0 8px; font: 400 19px var(--serif); }
.resource-cards article p { margin: 0 0 22px; color: #657075; font-size: 10px; line-height: 1.75; }
.resource-download-group { margin-top: auto; }
.resource-download { display: inline-flex; align-items: center; gap: 7px; color: #13242b; border-bottom: 1px solid #ac8848; padding-bottom: 5px; font-size: 10px; text-decoration: none; }
.resource-download:hover { color: #967844; }
.resource-download span { color: #967844; }
.resource-legal-note { display: block; max-width: 320px; margin-top: 9px; color: #737a7b; font-size: 8px; line-height: 1.65; }
.resource-legal-note strong { color: #4f5b5f; font-weight: 600; }
.contact { padding: 96px 0 106px; border-top: 1px solid var(--line-dark); }
.contact-inner { text-align: center; }
.contact-inner .eyebrow { justify-content: center; }
.contact h2 { margin: 0 auto 28px; font-size: clamp(45px, 5.6vw, 70px); }
.contact .button { margin: 0 auto; }
.site-footer { color: white; background: #05131b; border-top: 1px solid var(--line-dark); }
.footer-inner { min-height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.footer-inner .brand img { width: 135px; }
.footer-inner > span { color: rgba(255,255,255,.5); font-size: 9px; }

@media (max-width: 850px) {
  .container { width: min(calc(100% - 42px), var(--container)); }
  .site-header nav { gap: 17px; margin-right: 20px; }
  .hero { min-height: 650px; }
  .hero-image { left: 32%; opacity: .78; }
  .hero h1 { font-size: clamp(52px, 8.2vw, 72px); }
  .approach-head, .consulting-inner, .learning-grid, .books-grid { gap: 7%; }
  .approach-head { grid-template-columns: 1fr .8fr; }
  .consulting-inner { grid-template-columns: .8fr 1.2fr; }
  .learning-grid { grid-template-columns: .85fr 1fr; }
  .learning-mark { min-height: 300px; }
  .book-grid { gap: 18px; }
}
@media (max-width: 620px) {
  .container { width: calc(100% - 36px); }
  .header-inner { height: 70px; }
  .brand img { width: 128px; }
  .site-header nav { display: none; }
  .nav-contact { font-size: 10px; }
  .hero { min-height: 660px; align-items: center; }
  .hero-image { inset: 0; opacity: .58; }
  .hero::before { background: linear-gradient(90deg, rgba(7,25,35,.96), rgba(7,25,35,.62)), linear-gradient(0deg, rgba(7,25,35,.82), transparent 75%); }
  .hero-glow { left: 16%; top: 17%; width: 320px; height: 320px; }
  .hero-core { left: 37%; top: 28%; width: 142px; height: 142px; font-size: 45px; }
  .hero-orbit { left: -45%; top: 36%; }
  .orbit-b { left: -65%; top: 37%; }
  .hero-inner { padding-top: 46px; padding-bottom: 36px; }
  .eyebrow { font-size: 8px; letter-spacing: .13em; }
  .hero h1 { font-size: clamp(46px, 12vw, 64px); }
  .hero-intro { max-width: 350px; font-size: 12px; }
  .hero-actions { gap: 18px; flex-wrap: wrap; margin-top: 28px; }
  .button { min-height: 43px; padding: 0 14px; gap: 17px; }
  .hero-caption { left: 19px; right: 19px; bottom: 70px; font-size: 7px; }
  .hero-bottom { bottom: 20px; font-size: 7px; letter-spacing: .1em; }
  .facts { grid-template-columns: repeat(2, 1fr); row-gap: 18px; padding: 21px 0; }
  .facts p { padding-left: 13px; }
  .facts p:nth-child(3) { border-left: 0; padding-left: 0; }
  .approach, .consulting, .resources { padding: 78px 0; }
  .approach-head, .consulting-inner, .learning-grid, .books-heading { display: block; }
  .approach-head > p { margin-top: 24px; font-size: 12px; }
  .approach h2, .section-heading h2, .learning h2, .resources h2 { font-size: clamp(39px, 10vw, 52px); }
  .principles { grid-template-columns: 1fr; gap: 24px; margin-top: 42px; }
  .principles h3 { margin: 11px 0 5px; font-size: 19px; }
  .principles p { max-width: 390px; }
  .section-heading { margin-bottom: 37px; }
  .service { grid-template-columns: 28px 1fr 15px; gap: 10px; padding: 21px 0; }
  .service h3 { font-size: 18px; }
  .service p { font-size: 10px; }
  .learning { padding: 76px 0; }
  .learning-mark { min-height: 0; margin-bottom: 36px; gap: 12px; }
  .learning-mark img { width: min(52vw, 180px); }
  .learning-copy > p:not(.eyebrow) { font-size: 11px; }
  .books { padding: 72px 0; }
  .books-heading > p { margin-top: 22px; font-size: 11px; }
  .book-grid { grid-template-columns: 1fr; gap: 12px; margin-top: 32px; }
  .book-card { grid-template-columns: 112px 1fr; gap: 17px; min-height: 0; padding: 15px; }
  .book-card h3 { margin-top: 9px; font-size: 22px; }
  .resources-heading { display: block; }
  .resources-heading > p { margin-top: 22px; font-size: 11px; }
  .resource-cards { grid-template-columns: 1fr; gap: 10px; margin-top: 31px; }
  .resource-cards article { min-height: 190px; }
  .resource-cards h3 { margin-top: 16px; }
  .contact { padding: 74px 0 80px; }
  .contact h2 { font-size: clamp(40px, 10vw, 54px); }
  .footer-inner { min-height: 120px; flex-wrap: wrap; padding: 21px 0; }
  .footer-inner > span:nth-child(2) { order: 3; width: 100%; }
  .footer-inner > span:last-child { font-size: 8px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: .01ms !important; } }