:root {
  --slate: #1d2029;
  --night: #15171b;
  --paper: #f3f5f7;
  --white: #ffffff;
  --text: #16181b;
  --muted: #5d646d;
  --line: #d9dee3;
  --sky: #4b8fe2;
  --navy: #1d3766;
  --wide: "wdth" 125;
  --cond: "wdth" 68;
  --max: 1180px;
  --gutter: clamp(20px, 5vw, 48px);
  --ease: cubic-bezier(.2, .7, .1, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 64px; }
body { margin: 0; background: var(--paper); color: var(--text); font-family: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif; font-size: 18px; line-height: 1.55; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 800; letter-spacing: -0.02em; line-height: 1.02; text-wrap: balance; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
.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 { position: absolute; left: 12px; top: -48px; z-index: 100; background: var(--white); color: var(--text); padding: 10px 14px; border-radius: 8px; }
.skip:focus { top: 12px; }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; border-radius: 4px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

.nav { position: fixed; inset: 0 0 auto 0; z-index: 50; color: var(--white); background: rgba(29, 32, 41, .55); backdrop-filter: saturate(180%) blur(18px); -webkit-backdrop-filter: saturate(180%) blur(18px); transition: background .4s var(--ease), color .4s var(--ease); }
.nav.is-light { background: rgba(243, 245, 247, .78); color: var(--text); box-shadow: 0 1px 0 rgba(0,0,0,.06); }
.nav-inner { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); height: 52px; display: flex; align-items: center; justify-content: space-between; }
.nav-name { font-weight: 700; font-variation-settings: var(--wide); text-decoration: none; font-size: 15px; letter-spacing: .01em; }
.nav nav { display: flex; gap: 26px; align-items: center; font-size: 14px; }
.nav nav a { text-decoration: none; opacity: .85; }
.nav nav a:hover { opacity: 1; }
.nav .nav-cta { opacity: 1; background: var(--sky); color: var(--white); padding: 6px 14px; border-radius: 999px; font-weight: 600; }
@media (max-width: 560px) { .nav nav a:not(.nav-cta) { display: none; } }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 26px; border-radius: 999px; font: inherit; font-size: 17px; font-weight: 600; text-decoration: none; border: 1.5px solid transparent; cursor: pointer; transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease); }
.btn:active { transform: scale(.97); }
.btn--light { background: var(--white); color: var(--text); }
.btn--light:hover { background: #e9eef4; }
.btn--ghost { color: var(--white); border-color: rgba(255,255,255,.45); }
.btn--ghost:hover { border-color: var(--white); }
.btn--dark { background: var(--text); color: var(--white); }
.btn--dark:hover { background: var(--navy); }
.text-link { color: var(--sky); font-weight: 600; text-decoration: none; }
.text-link:hover { text-decoration: underline; }

.hero { height: 320vh; background: var(--slate); color: var(--white); position: relative; }
.hero-stage { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; display: grid; place-items: center; }
.hero-word { position: absolute; left: 50%; top: 46%; transform: translate(-50%, -50%) scale(calc(1 + var(--p, 0) * .25)); font-weight: 900; font-variation-settings: var(--wide); font-size: clamp(90px, 23vw, 380px); letter-spacing: -0.04em; line-height: .8; color: #2b2f3a; white-space: nowrap; user-select: none; opacity: calc(1 - var(--p, 0) * 1.6); }
.hero-portrait { position: absolute; bottom: 0; left: 50%; height: 94%; aspect-ratio: 2400 / 3378; transform: translateX(calc(-50% - var(--shift, 0) * 26vw)) scale(calc(1 - var(--shift, 0) * .06)); transform-origin: bottom center; will-change: transform; }
.hero-portrait img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.hero-portrait::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to right, var(--slate) 0%, transparent 16%, transparent 84%, var(--slate) 100%), linear-gradient(to bottom, var(--slate) 0%, transparent 12%), linear-gradient(to top, var(--slate) 0%, transparent 18%); }
.hero-copy { position: absolute; inset: 0; pointer-events: none; }
.hero-copy > * { pointer-events: auto; }
.hero-title { position: absolute; left: 0; right: 0; bottom: 15vh; text-align: center; font-size: clamp(44px, 7vw, 96px); font-variation-settings: var(--wide); text-shadow: 0 2px 40px rgba(0,0,0,.35); }
.hero-sub { position: absolute; left: 0; right: 0; bottom: calc(15vh - 44px); text-align: center; font-size: clamp(17px, 1.6vw, 22px); color: #c9d2dc; letter-spacing: .01em; }
.hero-line { position: absolute; right: var(--gutter); left: 52%; top: 34%; transform: translateY(-50%); font-weight: 800; font-variation-settings: var(--wide); font-size: clamp(34px, 4.6vw, 68px); line-height: 1.02; letter-spacing: -0.03em; }
.hero-line--big { font-weight: 900; font-variation-settings: var(--cond); font-size: clamp(76px, 11vw, 190px); letter-spacing: -0.01em; line-height: .88; text-transform: uppercase; color: var(--white); top: 58%; }
.hero-end { position: absolute; left: 52%; right: var(--gutter); top: 50%; transform: translateY(-50%); max-width: 520px; }
.hero-end-lead { font-size: clamp(22px, 2.2vw, 30px); line-height: 1.3; font-weight: 500; margin-bottom: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
[data-fx="out"] { opacity: calc(1 - var(--t, 0)); transform: translateY(calc(var(--t, 0) * -30px)); }
[data-fx="in"] { opacity: var(--t, 0); }
[data-fx="in-out"] { opacity: calc(var(--t, 0) - var(--o, 0)); }
.hero-line[data-fx="in-out"] { transform: translateY(calc(-50% + (1 - var(--t, 0)) * 40px - var(--o, 0) * 40px)); }
.hero-end[data-fx="in"] { transform: translateY(calc(-50% + (1 - var(--t, 0)) * 40px)); }
.hero-title[data-fx="out"], .hero-sub[data-fx="out"] { transform: translateY(calc(var(--t, 0) * -40px)); }
[data-fx].is-hidden { visibility: hidden; }
.scroll-cue { position: absolute; bottom: 26px; left: 50%; margin-left: -12px; width: 24px; height: 38px; border: 2px solid rgba(255,255,255,.5); border-radius: 14px; }
.scroll-cue span { position: absolute; left: 50%; top: 7px; width: 4px; height: 8px; margin-left: -2px; background: var(--white); border-radius: 2px; animation: cue 1.8s var(--ease) infinite; }
@keyframes cue { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(12px); } }
@media (max-width: 760px) {
  .hero { height: 300vh; }
  .hero-portrait { height: 78%; transform: translateX(-50%) scale(calc(1 - var(--shift, 0) * .04)); }
  .hero-portrait::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(to top, rgba(29,32,41,.95) 0%, rgba(29,32,41,0) 55%); opacity: var(--shift, 0); }
  .hero-word { top: 30%; }
  .hero-title { bottom: 16vh; }
  .hero-sub { bottom: calc(16vh - 38px); }
  .hero-line, .hero-end { left: var(--gutter); right: var(--gutter); top: auto; bottom: 10vh; transform: none; }
  .hero-line:not(.hero-line--big) { bottom: calc(10vh + clamp(130px, 44vw, 220px)); }
  .hero-line[data-fx="in-out"] { transform: translateY(calc((1 - var(--t, 0)) * 30px - var(--o, 0) * 30px)); }
  .hero-end[data-fx="in"] { transform: translateY(calc((1 - var(--t, 0)) * 30px)); }
  .hero-line--big { font-size: clamp(72px, 24vw, 120px); }
  .hero-end-lead { font-size: 20px; }
}

.about { background: var(--paper); padding: clamp(110px, 16vw, 200px) 0 clamp(80px, 10vw, 140px); }
.statement { font-size: clamp(30px, 4.2vw, 58px); line-height: 1.12; font-weight: 700; letter-spacing: -0.025em; max-width: 1000px; }
.statement .w { opacity: .18; transition: opacity .35s linear; }
.statement .w.on { opacity: 1; }
.facts { margin: clamp(60px, 8vw, 100px) 0 0; display: grid; gap: 28px; grid-template-columns: repeat(3, 1fr); }
.facts div { border-top: 2px solid var(--text); padding-top: 16px; }
.facts dt { font-size: 15px; color: var(--muted); margin-bottom: 6px; }
.facts dd { margin: 0; font-size: 20px; font-weight: 600; line-height: 1.3; }
@media (max-width: 760px) { .facts { grid-template-columns: 1fr; } }

.books { background: var(--white); padding: clamp(90px, 12vw, 160px) 0 clamp(70px, 8vw, 110px); overflow: hidden; }
.section-title { font-size: clamp(42px, 6.4vw, 92px); font-variation-settings: var(--wide); letter-spacing: -0.035em; }
.section-lede { margin-top: 18px; font-size: clamp(19px, 1.8vw, 24px); color: var(--muted); max-width: 40ch; }
.book { max-width: var(--max); margin: clamp(60px, 9vw, 130px) auto 0; padding: 0 var(--gutter); display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 7vw, 110px); align-items: center; }
.book--flip .book-visual { order: 2; }
.book-visual { perspective: 1600px; display: grid; place-items: center; padding: clamp(30px, 5vw, 70px) 0; background: radial-gradient(closest-side, #e8eff8, transparent 75%); }
.book--flip .book-visual { background: radial-gradient(closest-side, #e6eaf1, transparent 75%); }
.book3d { --w: min(330px, 62vw); --d: 26px; width: var(--w); position: relative; transform-style: preserve-3d; transform: rotateY(calc(-38deg + var(--p, .5) * 34deg)) rotateX(calc(6deg - var(--p, .5) * 6deg)) translateY(calc((0.5 - var(--p, .5)) * 30px)); will-change: transform; }
.book--flip .book3d { transform: rotateY(calc(38deg - var(--p, .5) * 34deg)) rotateX(calc(6deg - var(--p, .5) * 6deg)) translateY(calc((0.5 - var(--p, .5)) * 30px)); }
.book3d--legacy { aspect-ratio: 943 / 1500; }
.book3d--playbook { aspect-ratio: 1000 / 1293; --d: 18px; }
.book3d-front { position: absolute; inset: 0; transform: translateZ(calc(var(--d) / 2)); border-radius: 2px 6px 6px 2px; overflow: hidden; box-shadow: 0 40px 60px -20px rgba(18, 30, 52, .45); }
.book3d-front img, .book3d-front picture { width: 100%; height: 100%; object-fit: cover; }
.book3d-front::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to right, rgba(0,0,0,.25) 0, rgba(255,255,255,.12) 2.5%, transparent 6%); }
.book3d-spine { position: absolute; top: 0; bottom: 0; left: 0; width: var(--d); transform-origin: left center; transform: translateZ(calc(var(--d) / -2)) rotateY(-90deg); display: grid; place-items: center; overflow: hidden; }
.book3d--legacy .book3d-spine { background: linear-gradient(#24405f, #7f97ad 60%, #c7d1db); }
.book3d--playbook .book3d-spine { background: var(--navy); }
.book3d-spine span { writing-mode: vertical-rl; color: rgba(255,255,255,.85); font-size: 10px; font-weight: 700; letter-spacing: .04em; white-space: nowrap; }
.book3d-pages { position: absolute; top: 3px; bottom: 3px; right: 0; width: var(--d); transform-origin: right center; transform: translateZ(calc(var(--d) / -2)) rotateY(90deg); background: repeating-linear-gradient(to right, #f4f1ea 0 1px, #dcd8cf 1px 2px); }
.book-kicker { color: var(--sky); font-weight: 700; font-size: 16px; margin-bottom: 12px; }
.book-title { font-size: clamp(34px, 3.8vw, 54px); font-variation-settings: var(--wide); letter-spacing: -0.03em; }
.book-subtitle { margin: 12px 0 22px; color: var(--muted); font-size: 19px; }
.book-text { min-width: 0; }
.book-text > p:not(.book-kicker):not(.book-subtitle):not(.book-formats) { max-width: 54ch; }
.book-list { margin: 24px 0 26px; display: grid; gap: 10px; }
.book-list li { position: relative; padding-left: 26px; }
.book-list li::before { content: ""; position: absolute; left: 0; top: .55em; width: 12px; height: 12px; border: 2px solid var(--sky); border-radius: 50%; }
.book-formats { font-size: 15px; color: var(--muted); margin-bottom: 14px; }
.books-more { margin-top: clamp(60px, 7vw, 100px); }
@media (max-width: 860px) { .book { grid-template-columns: 1fr; } .book--flip .book-visual { order: 0; } }

.speaking { background: var(--paper); padding: clamp(90px, 12vw, 160px) 0 clamp(80px, 10vw, 140px); }
.topics { margin-top: clamp(40px, 6vw, 70px); overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; scroll-padding-left: max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter))); }
.topics::-webkit-scrollbar { display: none; }
.topics-track { display: flex; gap: 20px; width: max-content; padding: 10px max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter))); }
.topic { scroll-snap-align: start; width: min(380px, 78vw); min-height: 460px; border-radius: 28px; padding: 34px 32px; display: flex; flex-direction: column; justify-content: flex-end; color: var(--white); position: relative; overflow: hidden; }
.topic h3 { font-size: 32px; font-variation-settings: var(--wide); letter-spacing: -0.025em; margin-bottom: 14px; position: relative; }
.topic p { font-size: 18px; line-height: 1.45; opacity: .88; position: relative; }
.topic::before { content: ""; position: absolute; top: 34px; left: 32px; right: 32px; height: 200px; background-repeat: no-repeat; background-position: left top; background-size: contain; opacity: .9; }
.topic--a { background: var(--slate); }
.topic--a::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 140' fill='none' stroke='%234b8fe2' stroke-width='2'%3E%3Cpath d='M10 130h40v-30h40v-30h40v-30h40v-30'/%3E%3Ccircle cx='170' cy='10' r='6' fill='%234b8fe2'/%3E%3C/svg%3E"); }
.topic--b { background: var(--navy); }
.topic--b::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 140' fill='none' stroke='%23ffffff' stroke-opacity='.75' stroke-width='2'%3E%3Ccircle cx='40' cy='70' r='22'/%3E%3Ccircle cx='100' cy='40' r='22'/%3E%3Ccircle cx='100' cy='100' r='22'/%3E%3Ccircle cx='160' cy='70' r='22'/%3E%3Cpath d='M60 60l20-12M60 80l20 12M120 48l20 12M120 92l20-12M100 62v16'/%3E%3C/svg%3E"); }
.topic--c { background: var(--sky); }
.topic--c::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 140' fill='none' stroke='%23ffffff' stroke-width='2'%3E%3Ccircle cx='70' cy='70' r='56'/%3E%3Ccircle cx='70' cy='70' r='34'/%3E%3Ccircle cx='70' cy='70' r='12' fill='%23ffffff'/%3E%3Cpath d='M190 10L74 66'/%3E%3C/svg%3E"); }
.topic--d { background: #20262e; }
.topic--d::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 140' fill='none' stroke='%234b8fe2' stroke-width='2'%3E%3Cpath d='M20 130c0-40 20-60 20-90M40 40c10-20 30-24 40-10M40 70c-14-12-30-10-34 4M100 130V60M100 60c0-24 18-36 36-36 0 24-18 36-36 36zM160 130V96M160 96c-12 0-20-10-20-22 12 0 20 10 20 22z'/%3E%3C/svg%3E"); }
.topic--e { background: var(--white); color: var(--text); box-shadow: inset 0 0 0 2px var(--line); }
.topic--e::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 140' fill='none' stroke='%2316181b' stroke-width='2' stroke-dasharray='6 6'%3E%3Crect x='10' y='10' width='120' height='120' rx='14'/%3E%3Cpath d='M70 45v50M45 70h50' stroke-dasharray='0'/%3E%3C/svg%3E"); }
.topics-nav { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
.round-btn { width: 44px; height: 44px; border-radius: 50%; border: 0; cursor: pointer; background: #e1e6eb; color: var(--text); font-size: 26px; line-height: 1; padding-bottom: 3px; }
.round-btn:hover { background: #d3dae1; }
.formats { margin-top: clamp(80px, 10vw, 130px); }
.formats-title { font-size: clamp(26px, 2.6vw, 34px); font-variation-settings: var(--wide); margin-bottom: 26px; }
.formats-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0; border-top: 1px solid var(--line); }
.formats-list li { padding: 22px 20px 22px 0; border-bottom: 1px solid var(--line); display: grid; gap: 4px; }
.formats-list strong { font-size: 19px; }
.formats-list span { color: var(--muted); font-size: 16px; }

.booking { background: var(--night); color: var(--white); padding: clamp(90px, 12vw, 150px) 0; }
.booking-grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(40px, 6vw, 90px); align-items: start; }
.booking-grid > * { min-width: 0; }
.booking-intro { position: sticky; top: 100px; }
.booking-intro .section-title { font-size: clamp(40px, 5vw, 72px); }
.booking-intro p { margin-top: 22px; color: #aeb6c0; font-size: 20px; max-width: 34ch; }
@media (max-width: 900px) { .booking-grid { grid-template-columns: 1fr; } .booking-intro { position: static; } }

.foot { background: var(--night); color: #8b939d; border-top: 1px solid #262a30; padding: 40px 0 50px; font-size: 15px; }
.foot-inner { display: grid; grid-template-columns: 1.2fr 1fr 1fr auto; gap: 24px; align-items: start; }
.foot-name { color: var(--white); font-weight: 700; font-variation-settings: var(--wide); }
.foot address { font-style: normal; line-height: 1.5; }
.foot a { color: #c3cad3; }
@media (max-width: 760px) { .foot-inner { grid-template-columns: 1fr; } }

@media (prefers-reduced-motion: reduce) {
  .hero { height: auto; }
  .hero-stage { position: relative; height: auto; min-height: 100svh; padding: 90px 0 0; display: block; }
  .hero-word { display: none; }
  .hero-portrait { position: relative; left: auto; transform: none; height: 70vh; margin: 0 auto; }
  .hero-copy { position: relative; inset: auto; padding: 30px var(--gutter) 70px; text-align: center; }
  .hero-copy > * { position: static !important; transform: none !important; opacity: 1 !important; visibility: visible !important; margin: 0 auto 16px; max-width: 760px; }
  .hero-actions { justify-content: center; }
  .scroll-cue { display: none; }
  .statement .w { opacity: 1; }
  .book3d, .book--flip .book3d { transform: rotateY(-16deg); }
}