/* taoofcapital.com 1.0.0: the Magnum house look (the house kit style, trimmed for a book funnel).
   Tokens are in tokens.css. Hidden starting states apply only under html.js-ok, which the script sets as its first act,
   so a page whose script never runs is fully readable. */
@font-face { font-family: 'Russo One'; font-style: normal; font-weight: 400; font-display: swap; src: url(../fonts/russo-one-latin.woff2) format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 100 900; font-display: swap; src: url(../fonts/inter-var-latin.woff2) format('woff2'); }
*, *::before, *::after { box-sizing: border-box; }
html { background: var(--ink); -webkit-text-size-adjust: 100%; scroll-behavior: auto; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }
body { margin: 0; background: transparent; color: var(--text-body); font: 400 17px/1.62 var(--f-body); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: clip; font-style: normal; }
h1, h2, h3, h4 { font-family: var(--f-display); font-weight: 400; font-style: normal; text-transform: uppercase; color: var(--text); margin: 0; letter-spacing: .8px; line-height: 1.1; text-wrap: balance; }
h1 { font-size: clamp(34px, 4.4vw, 84px); line-height: 1.04; letter-spacing: 1px; }
h2 { font-size: clamp(26px, 2.9vw, 46px); }
h3 { font-size: clamp(18px, 1.35vw, 24px); letter-spacing: .6px; }
h4 { font-size: 16px; letter-spacing: .6px; }
p { margin: 0 0 1em; }
a { color: var(--brass-light); text-decoration: none; }
a:hover { color: var(--brass-hot); }
img, video, svg { max-width: 100%; }
img { display: block; }
button { font: inherit; color: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--brass); outline-offset: 3px; }
h1:focus, main:focus { outline: none; }
::selection { background: rgba(177, 126, 56, .55); color: #fff; }
.wrap { width: var(--wrap); margin-inline: auto; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 9990; background: var(--metal); color: var(--button-ink); padding: 12px 16px; border-radius: var(--r-btn); font: 13px var(--f-display); text-transform: uppercase; }
.skip:focus { top: 12px; }
.lead { font-size: clamp(17px, 1.15vw, 21px); color: #fff; line-height: 1.6; }
.quiet { color: var(--text-muted); font-size: 15px; }
.fine { color: var(--text-muted); font-size: 15px; margin-top: 14px; }

/* Atmosphere: ghost still, two drifting glows, gear, grain */
.atm { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; background: var(--ink); }
.atm-ghost { position: absolute; inset: 0; background: url(../img/v5-study-1200.webp) center / cover no-repeat; opacity: .1; }
.atm-glow { position: absolute; width: 620px; height: 620px; filter: blur(120px); opacity: .22; animation: glow-float 16s ease-in-out infinite; }
.atm-glow--a { left: -160px; top: 8vh; background: radial-gradient(closest-side, rgba(214, 173, 102, .7), transparent); }
.atm-glow--b { right: -200px; bottom: -80px; background: radial-gradient(closest-side, rgba(177, 126, 56, .65), transparent); animation-delay: -8s; animation-duration: 19s; }
@keyframes glow-float { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(60px, 40px) scale(1.14); } }
.gear { position: absolute; pointer-events: none; opacity: .05; width: 640px; height: 640px;
  background: repeating-conic-gradient(from 0deg, rgba(224, 197, 146, .9) 0deg 3deg, transparent 3deg 16deg), repeating-radial-gradient(circle, rgba(224, 197, 146, .6) 0 1px, transparent 1px 46px);
  -webkit-mask-image: radial-gradient(closest-side, #000 62%, transparent 63%); mask-image: radial-gradient(closest-side, #000 62%, transparent 63%); animation: gear-spin 60s linear infinite; }
@keyframes gear-spin { to { transform: rotate(360deg); } }
.atm .gear { right: -280px; top: 50%; margin-top: -320px; }
.grain { position: fixed; inset: -30%; z-index: 4; pointer-events: none; opacity: .055; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 .9 0'/></filter><rect width='160' height='160' filter='%75rl(%23n)'/></svg>"); animation: grain 1.2s steps(6) infinite; }
@keyframes grain { 0% { transform: translate(0, 0); } 20% { transform: translate(-3%, 2%); } 40% { transform: translate(2%, -3%); } 60% { transform: translate(-2%, -1%); } 80% { transform: translate(3%, 3%); } 100% { transform: translate(0, 0); } }

/* Buttons, chips, eyebrows */
.btn { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 46px; padding: 12px 26px; background: var(--metal); color: var(--button-ink); border: 1px solid var(--brass-deep);
  border-radius: var(--r-btn); font: 13px/1 var(--f-display); letter-spacing: 1.6px; text-transform: uppercase; text-shadow: 0 1px 0 rgba(249, 230, 189, .35); cursor: pointer; overflow: hidden; transition: transform .18s, box-shadow .18s; will-change: transform; }
.btn::after { content: ""; position: absolute; top: 0; bottom: 0; width: 40%; left: -60%; background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .55), transparent); transform: skewX(-18deg); transition: left .65s; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 10px 26px rgba(177, 126, 56, .45); color: var(--button-ink); }
.btn:hover::after { left: 130%; }
.btn--ghost { background: transparent; color: var(--brass-light); border-color: var(--border-strong); text-shadow: none; }
.btn--ghost:hover { background: rgba(177, 126, 56, .12); color: var(--brass-hot); box-shadow: 0 10px 26px rgba(177, 126, 56, .2); }
.btn--sm { min-height: 44px; padding: 10px 16px; letter-spacing: 1.2px; }
.btn .short { display: none; }
.eyebrow { display: flex; align-items: center; gap: 14px; margin: 0 0 18px; font: 13px/1.4 var(--f-mono); letter-spacing: 3px; text-transform: uppercase; color: var(--brass); }
.eyebrow::before { content: ""; width: 36px; height: 1px; background: var(--brass-rich); flex: none; }
.chip { display: inline-flex; align-items: center; gap: 8px; padding: 6px 11px; border: 1px solid var(--border-soft); border-radius: var(--r-chip); font: 13px var(--f-mono); letter-spacing: 1.4px; text-transform: uppercase; color: var(--brass-light); background: rgba(0, 0, 0, .3); }
.live { display: inline-block; width: 8px; height: 8px; background: var(--brass-hot); box-shadow: 0 0 10px var(--brass); animation: blink 1.5s ease-in-out infinite; transform: rotate(45deg); }
@keyframes blink { 50% { opacity: .25; } }
.rn { font: 13px var(--f-mono); letter-spacing: 1.5px; color: var(--brass); }

/* Glass panels (numbered) */
.pn { position: relative; background: var(--panel); border: 1px solid var(--border-soft); border-radius: var(--r-panel); padding: 18px clamp(18px, 2vw, 32px) 30px; box-shadow: var(--shadow-deep); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.pn::before { content: ""; position: absolute; top: -1px; left: 14px; right: 14px; height: 1px; background: linear-gradient(90deg, transparent, rgba(224, 197, 146, .65), transparent); }
.pn > .hairline { position: absolute; top: -1px; left: 0; width: 100%; height: 2px; overflow: hidden; pointer-events: none; }
.pn > .hairline::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, var(--brass-hot), transparent); animation: hairline 4s ease-in-out infinite; }
@keyframes hairline { 0%, 100% { transform: translateX(-60%); opacity: 0; } 50% { transform: translateX(0); opacity: 1; } }
.pn-label { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding-bottom: 12px; margin-bottom: 22px; border-bottom: 1px solid rgba(177, 126, 56, .2); font: 15px var(--f-mono); letter-spacing: 1.8px; text-transform: uppercase; color: var(--brass); }
.pn-label .num { background: rgba(177, 126, 56, .14); color: var(--brass-light); padding: 3px 10px; border-radius: var(--r-badge); font-size: 13px; margin-right: 10px; }
.pn-label .cnt { display: inline-flex; align-items: center; gap: 9px; font-size: 13px; color: var(--text-muted); }
.card { position: relative; background: var(--inset); border: 1px solid var(--border-soft); border-radius: var(--r-card); padding: 22px; }
.card h3 { margin-bottom: 12px; font-size: 20px; }
.card p:last-child { margin-bottom: 0; }
.has-gear { overflow: hidden; }
.has-gear > .gear { right: -220px; top: -160px; z-index: 0; }
.has-gear > *:not(.gear) { position: relative; z-index: 1; }
[data-tilt] { --rx: 0deg; --ry: 0deg; --mx: 50%; --my: 50%; transform: perspective(1100px) rotateX(var(--rx)) rotateY(var(--ry)); transition: transform .5s var(--ease-out), border-color .2s, box-shadow .2s; transform-style: preserve-3d; position: relative; }
[data-tilt]::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .3s; background: radial-gradient(420px circle at var(--mx) var(--my), rgba(224, 197, 146, .16), transparent 55%); }
[data-tilt].hot { border-color: var(--brass-rich); box-shadow: 0 12px 36px rgba(177, 126, 56, .22); transition: transform .08s linear, border-color .2s, box-shadow .2s; }
[data-tilt].hot::after { opacity: 1; }

/* Reveal states (only when the script is alive) */
html.js-ok .rv { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease-out) var(--d, 0ms), transform .9s var(--ease-out) var(--d, 0ms); }
html.js-ok .rv.in { opacity: 1; transform: none; }
html.js-ok .rv.rv-now { transition-duration: 0s; transition-delay: 0s; }
html.js-ok .mask { clip-path: inset(0 0 100% 0); }
html.js-ok .mask.in { clip-path: inset(0 0 0 0); transition: clip-path 1.5s var(--ease-io); }
html.js-ok .mask img { transform: scale(1.3); transition: transform 2.1s var(--ease-out); }
html.js-ok .mask.in img { transform: scale(1); }
html.js-ok .unveil .pf-img { clip-path: inset(100% 0 0 0); }
html.js-ok .unveil.in .pf-img { clip-path: inset(0 0 0 0); transition: clip-path 1.6s var(--ease-io); }
html.js-ok .unveil .pf-img img { transform: scale(1.32); transition: transform 2.2s var(--ease-out); }
html.js-ok .unveil.in .pf-img img { transform: scale(1); }

/* Intro: the vault door */
.intro { position: fixed; inset: 0; z-index: 9000; display: none; overflow: hidden; background: #000; }
html.intro-on .intro { display: block; }
html.intro-on body { overflow: hidden; }
.intro .door { position: absolute; top: 0; bottom: 0; width: 50.2%; background: linear-gradient(180deg, #0c0b0a, #050505); z-index: 2; }
.intro .door--l { left: 0; border-right: 1px solid var(--brass-rich); box-shadow: inset -40px 0 80px rgba(0, 0, 0, .8); }
.intro .door--r { right: 0; border-left: 1px solid var(--brass-rich); box-shadow: inset 40px 0 80px rgba(0, 0, 0, .8); }
.intro .door::before { content: ""; position: absolute; inset: 0; opacity: .09; background: repeating-conic-gradient(from 0deg at 100% 50%, rgba(224, 197, 146, .9) 0deg 2deg, transparent 2deg 12deg); }
.intro .door--r::before { background: repeating-conic-gradient(from 0deg at 0% 50%, rgba(224, 197, 146, .9) 0deg 2deg, transparent 2deg 12deg); }
.intro .seam { position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; margin-left: -1px; z-index: 3; background: linear-gradient(180deg, transparent, var(--brass-hot), transparent); box-shadow: 0 0 40px 6px rgba(214, 173, 102, .55); transform-origin: 50% 50%; }
.intro .sweep { position: absolute; top: -20%; bottom: -20%; width: 30%; left: -40%; z-index: 4; background: linear-gradient(100deg, transparent, rgba(249, 230, 189, .22), transparent); transform: skewX(-14deg); }
.intro .core { position: absolute; inset: 0; z-index: 5; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 26px; padding: 0 5vw; pointer-events: none; }
.intro .emb { width: clamp(130px, 20vmin, 260px); height: clamp(130px, 20vmin, 260px); filter: drop-shadow(0 0 40px rgba(177, 126, 56, .35)); }
.intro .word { max-width: 92vw; text-align: center; font: 400 clamp(18px, 3vw, 42px)/1.25 var(--f-display); letter-spacing: .22em; text-transform: uppercase; background: var(--metal-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.intro .sub { font: 13px var(--f-mono); letter-spacing: 4px; text-align: center; text-transform: uppercase; color: var(--brass); }
.intro .skipnote { position: absolute; z-index: 6; left: 0; right: 0; bottom: 4vh; text-align: center; font: 13px var(--f-mono); letter-spacing: 3px; text-transform: uppercase; color: rgba(214, 173, 102, .55); }

/* Header */
.progress { position: fixed; left: 0; top: 0; right: 0; height: 2px; z-index: 61; pointer-events: none; }
.progress span { display: block; height: 100%; width: 100%; transform-origin: 0 50%; transform: scaleX(var(--read, 0)); background: var(--metal); box-shadow: 0 0 10px var(--brass); }
.hdr { position: sticky; top: 0; z-index: 60; background: rgba(0, 0, 0, .9); backdrop-filter: blur(12px) saturate(140%); -webkit-backdrop-filter: blur(12px) saturate(140%); border-bottom: 1px solid var(--border-soft); }
.hdr-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; width: var(--wrap); margin-inline: auto; min-height: 64px; padding: 6px 0; transition: min-height .3s; }
.hdr.condensed .hdr-top { min-height: 54px; }
.brand { display: inline-flex; align-items: center; gap: 14px; color: var(--text); min-width: 0; }
.brand .emb { width: 48px; height: 48px; flex: none; filter: drop-shadow(0 0 14px rgba(177, 126, 56, .35)); transition: width .3s, height .3s; }
.hdr.condensed .brand .emb { width: 40px; height: 40px; }
.brand-t { display: flex; flex-direction: column; line-height: 1.05; min-width: 0; }
.brand-n { font: 400 20px/1.1 var(--f-display); letter-spacing: 2.2px; text-transform: uppercase; background: var(--metal-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.brand-s { margin-top: 5px; font: 13px var(--f-mono); letter-spacing: 3px; text-transform: uppercase; color: var(--text-muted); }
.e-turn { transform-origin: 50% 50%; animation: emb-turn 1.4s var(--ease-out) .2s 1 backwards; }
@keyframes emb-turn { from { transform: rotate(-360deg); } to { transform: rotate(0); } }
.e-ticks { transform-origin: 50% 50%; animation: gear-spin 90s linear infinite; }
.hdr-right { display: flex; align-items: center; gap: 14px; }
.parent { display: inline-flex; align-items: center; min-height: 44px; font: 13px var(--f-mono); letter-spacing: 2.4px; text-transform: uppercase; color: var(--text-body); }
.hdr-nav { display: flex; justify-content: center; gap: clamp(14px, 2.4vw, 40px); border-top: 1px solid var(--border-faint); min-height: 46px; align-items: center; }
.hdr-nav a { position: relative; display: inline-flex; align-items: center; min-height: 44px; padding: 0 4px; font: 13px var(--f-mono); letter-spacing: 2.4px; text-transform: uppercase; color: var(--text-body); }
.hdr-nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 6px; height: 1px; background: var(--brass); transform: scaleX(0); transform-origin: 0 50%; transition: transform .35s var(--ease-out); }
.hdr-nav a:hover { color: var(--brass-hot); }
.hdr-nav a:hover::after { transform: scaleX(1); }
.menu-btn { display: none; align-items: center; gap: 12px; min-height: 44px; padding: 8px 14px; background: transparent; border: 1px solid var(--border-strong); border-radius: var(--r-btn); color: var(--brass-light); font: 13px var(--f-mono); letter-spacing: 2px; text-transform: uppercase; }
.mb-bars { display: grid; gap: 5px; width: 20px; }
.mb-bars span { display: block; height: 2px; background: currentColor; }
.scrim { position: fixed; inset: 0; z-index: 69; background: rgba(0, 0, 0, .66); opacity: 0; pointer-events: none; transition: opacity .35s; }
.scrim.on { opacity: 1; pointer-events: auto; }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; z-index: 70; width: 82vw; max-width: 420px; display: flex; flex-direction: column; background: #050506; border-left: 1px solid var(--border); transform: translateX(104%); visibility: hidden; transition: transform .35s cubic-bezier(.4, 0, .2, 1), visibility 0s .35s; padding: 16px 20px 24px; overflow-y: auto; }
.drawer.open { transform: none; visibility: visible; transition-delay: 0s; }
.drawer-top { display: flex; align-items: center; justify-content: space-between; padding-bottom: 14px; border-bottom: 1px solid var(--border-soft); }
.drawer-list { display: flex; flex-direction: column; padding: 10px 0 18px; }
.drawer-list a { display: flex; align-items: center; gap: 14px; min-height: 52px; padding: 8px 4px; border-bottom: 1px solid var(--border-faint); font: 18px var(--f-display); letter-spacing: 1px; text-transform: uppercase; color: var(--text); }
.drawer-list .rn { width: 28px; }
.drawer-act { padding-top: 16px; }
.drawer-foot { margin-top: auto; padding-top: 18px; font: 13px var(--f-mono); letter-spacing: 2px; text-transform: uppercase; color: var(--text-muted); }

/* Hero */
.hero { position: relative; isolation: isolate; display: flex; flex-direction: column; min-height: calc(100svh - 110px); overflow: hidden; }
.hero-media { position: absolute; inset: 0; z-index: -2; background: #000; }
.hero-media video, .hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-media img, .hero-media video { position: absolute; inset: 0; }
.hero-media video { opacity: 0; transition: opacity 1.4s; }
.hero-media video.on { opacity: 1; }
.hero-shade { position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(8, 8, 10, .94) 0%, rgba(8, 8, 10, .74) 38%, rgba(8, 8, 10, .3) 70%, rgba(8, 8, 10, .5) 100%), linear-gradient(180deg, rgba(10, 10, 12, .35) 0%, transparent 30%, rgba(10, 10, 12, .96) 100%); }
.hero-grid { flex: 1; display: grid; grid-template-columns: minmax(0, 1.28fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 80px); align-items: center; padding: clamp(36px, 5vh, 72px) 0 clamp(20px, 3vh, 40px); }
.hero h1 { margin-bottom: clamp(18px, 3vh, 28px); }
.hero h1 .w1 { color: #fff; }
.hero h1 .w2 { color: #f6dfb0; }
.hero h1 .w3 { color: var(--brass-light); }
.hero h1.sheen { background: linear-gradient(100deg, #fff 0%, #f9e6bd 30%, #e0c592 46%, #fff 52%, #e0c592 58%, #d6ad66 100%); background-size: 240% auto; -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; animation: shimmer 9s linear infinite; }
@keyframes shimmer { 0% { background-position: 120% center; } 100% { background-position: -120% center; } }
.hero h1 .ln { padding-bottom: .06em; }
.hero .subtitle { max-width: 40ch; margin-bottom: 10px; color: #e8e8e8; font-size: clamp(18px, 1.35vw, 23px); line-height: 1.5; }
.byline { font: 13px var(--f-mono); letter-spacing: 2.4px; text-transform: uppercase; color: var(--brass); margin-bottom: 22px; }
.promise-line { font: 400 clamp(19px, 1.7vw, 28px)/1.25 var(--f-display); text-transform: uppercase; letter-spacing: .8px; color: var(--brass-hot); margin-bottom: 8px; }
.actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-top: 22px; }
.cover-wrap { position: relative; justify-self: end; width: min(100%, clamp(250px, 24vw, 430px)); }
.cover-glow { position: absolute; z-index: -1; inset: -12% -24%; background: radial-gradient(closest-side, rgba(214, 173, 102, .4), transparent 72%); filter: blur(28px); animation: glow-float 16s ease-in-out infinite; }
.cover-frame { padding: 9px; background: rgba(8, 8, 12, .62); border: 1px solid var(--border); border-radius: var(--r-panel); backdrop-filter: blur(6px); box-shadow: 0 24px 60px rgba(0, 0, 0, .55); }
.cover-frame img { width: 100%; height: auto; aspect-ratio: 1600 / 2560; border-radius: 6px; }
.hero-stats { padding-bottom: 88px; }
.stat-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(14px, 2vw, 36px); max-width: 760px; }
.stat { border-top: 2px solid var(--brass-rich); padding-top: 12px; }
.stat b { display: block; font: 400 clamp(24px, 2.2vw, 38px)/1.05 var(--f-display); color: var(--text); letter-spacing: .5px; }
.stat > span { display: block; margin-top: 6px; font: 13px/1.4 var(--f-mono); letter-spacing: 2px; text-transform: uppercase; color: var(--text-muted); }
.scroll-cue { position: absolute; right: var(--pad); bottom: 12px; display: flex; align-items: center; gap: 10px; min-height: 44px; font: 13px var(--f-mono); letter-spacing: 3px; text-transform: uppercase; color: var(--brass); }
.scroll-cue u { display: block; width: 1px; height: 34px; background: linear-gradient(var(--brass), transparent); animation: cue 2s ease-in-out infinite; transform-origin: 50% 0; text-decoration: none; }
@keyframes cue { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); } 100% { transform: scaleY(1); opacity: 0; } }

/* Ticker */
.ticker { position: relative; overflow: hidden; border-block: 1px solid var(--border-soft); background: rgba(0, 0, 0, .72); }
.ticker-track { display: flex; width: max-content; gap: 34px; padding: 15px 0; white-space: nowrap; animation: tape 120s linear infinite; }
.ticker:hover .ticker-track { animation-play-state: paused; }
@keyframes tape { to { transform: translateX(-50%); } }
.ticker span { font: 13px var(--f-mono); letter-spacing: 3px; text-transform: uppercase; color: var(--text-body); }
.ticker u { display: inline-block; align-self: center; width: 7px; height: 7px; background: var(--brass-rich); transform: rotate(45deg); flex: none; text-decoration: none; }

/* Sections */
.sec { position: relative; padding: clamp(56px, 8vw, 120px) 0; scroll-margin-top: 112px; }
.sec-head { max-width: 920px; margin-bottom: clamp(24px, 3vw, 44px); }
.who { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: clamp(20px, 3vw, 48px); align-items: stretch; }
.who h2 { font-size: clamp(28px, 3.3vw, 52px); line-height: 1.08; margin-bottom: 22px; }
.tiles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin: 26px 0; padding: 0; list-style: none; }
.tile { min-height: 120px; display: flex; flex-direction: column; justify-content: space-between; padding: 16px; background: var(--inset); border: 1px solid var(--border-soft); border-radius: var(--r-card); font: 15px var(--f-display); letter-spacing: .8px; text-transform: uppercase; color: var(--text); }
.tile .gl { font: 400 40px/.9 var(--f-display); color: rgba(177, 126, 56, .3); }
.two-col { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.plain-list { margin: 0; padding-left: 20px; display: grid; gap: 8px; }
.who-media { position: relative; min-height: 440px; border-radius: var(--r-panel); overflow: hidden; border: 1px solid var(--border-soft); }
.who-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.who-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, .7)); }

/* Chapters */
.chap { position: relative; padding-bottom: clamp(24px, 4vw, 56px); scroll-margin-top: 112px; }
.chap-stage { position: relative; isolation: isolate; min-height: calc(100svh - 110px); display: flex; align-items: flex-end; overflow: hidden; }
.chap-media { position: absolute; inset: 0; z-index: -2; background: #000; clip-path: inset(0 0 0 0); will-change: clip-path; }
.chap-media video, .chap-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.chap-media video { opacity: 0; transition: opacity 1.2s; }
.chap-media video.on { opacity: 1; }
.chap-shade { position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(8, 8, 10, .8) 0%, rgba(8, 8, 10, .35) 45%, rgba(8, 8, 10, 0) 100%), linear-gradient(180deg, rgba(10, 10, 12, .25), transparent 22%, transparent 48%, rgba(10, 10, 12, .96) 100%); }
.chap-copy { width: var(--wrap); margin-inline: auto; padding: clamp(40px, 8vh, 96px) 0; }
.chap-copy > div { max-width: 780px; }
.chap-num { position: absolute; right: var(--pad); top: clamp(12px, 3vh, 40px); font: 400 clamp(110px, 20vw, 360px)/.8 var(--f-display); color: transparent; -webkit-text-stroke: 1px rgba(214, 173, 102, .28); letter-spacing: 0; pointer-events: none; z-index: 0; margin: 0; }
.chap h2 { font-size: clamp(32px, 4.2vw, 76px); line-height: 1.02; margin-bottom: 20px; }
.chap .promise { font: 400 clamp(17px, 1.3vw, 22px)/1.45 var(--f-body); color: var(--brass-hot); margin-bottom: 14px; }
.chap-chips { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 0; padding: 0; list-style: none; }

/* The S3 stepper and the reader */
.formula { font: 400 clamp(20px, 2vw, 32px)/1.2 var(--f-display); text-transform: uppercase; letter-spacing: .8px; color: var(--brass-hot); margin-bottom: 10px; }
.side-note { color: var(--text-body); margin-bottom: 8px; }
.side-note.strong { color: #fff; }
.stepper { position: relative; margin-top: 18px; }
.step-panel { padding: clamp(18px, 2.2vw, 30px); margin-bottom: 14px; background: var(--inset); border: 1px solid var(--border-soft); border-radius: var(--r-card); }
.step-panel > :last-child { margin-bottom: 0; }
.step-title { margin-bottom: 12px; font-size: clamp(22px, 2.2vw, 34px); }
.step-def { font-size: clamp(17px, 1.25vw, 21px); line-height: 1.5; color: #fff; }
.credit { color: var(--brass-light); }
.js-ok .stepper .step-panel { margin-bottom: 0; }
.js-ok .stepper.all .step-panel { margin-bottom: 14px; }
.step-rail { display: flex; gap: 8px; overflow-x: auto; padding: 0 0 12px; scrollbar-width: thin; }
.step-tab { flex: 0 0 auto; min-height: 48px; padding: 8px 16px; display: inline-flex; align-items: center; gap: 10px; background: rgba(0, 0, 0, .4); color: var(--brass-light); border: 1px solid var(--border-soft); border-radius: var(--r-btn); font: 13px var(--f-mono); letter-spacing: 1.4px; text-transform: uppercase; transition: background .2s, color .2s, border-color .2s; }
.step-tab .n { font: 15px var(--f-display); color: var(--brass); }
.step-tab:hover { border-color: var(--brass); color: var(--brass-hot); }
.step-tab[aria-pressed='true'] { background: var(--metal); color: var(--button-ink); border-color: var(--brass-deep); }
.step-tab[aria-pressed='true'] .n { color: var(--button-ink); }
.step-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; margin-top: 14px; }
.step-ctl { display: flex; gap: 8px; }
.step-btn { min-height: 44px; padding: 8px 18px; background: transparent; color: var(--brass-light); border: 1px solid var(--border-strong); border-radius: var(--r-btn); font: 13px var(--f-mono); letter-spacing: 1.4px; text-transform: uppercase; }
.step-btn:hover:not(:disabled) { background: rgba(177, 126, 56, .12); color: var(--brass-hot); }
.step-btn:disabled { opacity: .35; cursor: default; }
.step-btn[aria-pressed='true'] { background: var(--metal); color: var(--button-ink); }
.step-count { font: 13px var(--f-mono); letter-spacing: 1.6px; text-transform: uppercase; color: var(--text-muted); }
.pull { font: 400 clamp(18px, 1.6vw, 26px)/1.3 var(--f-display); text-transform: uppercase; letter-spacing: .6px; color: var(--brass-hot); margin-bottom: 12px; }
.passage-text p { font-size: clamp(17px, 1.3vw, 21px); line-height: 1.7; color: #f0f0f0; }
.passage-text strong { color: var(--brass-light); font-weight: 600; }
.passage-ref { margin: 22px 0 0; padding-top: 14px; border-top: 1px solid var(--border-faint); font-size: 15px; color: var(--text-muted); }
.ref-label { color: var(--brass); font-family: var(--f-mono); letter-spacing: 1.4px; text-transform: uppercase; font-size: 13px; }
.w.hid { visibility: hidden; }
.caret { display: inline-block; width: 0; height: 1em; position: relative; }
.caret::after { content: ""; position: absolute; left: 1px; top: .12em; width: 2px; height: 1.1em; background: var(--brass-hot); animation: blink 1s steps(2) infinite; }
.exercises { margin-top: 22px; }
.contents { margin-top: 18px; border: 1px solid var(--border-soft); border-radius: var(--r-card); background: var(--inset); }
.contents summary { min-height: 48px; display: flex; align-items: center; padding: 0 20px; cursor: pointer; list-style: none; font: 15px var(--f-mono); letter-spacing: 1.8px; text-transform: uppercase; color: var(--brass-light); }
.contents summary::-webkit-details-marker { display: none; }
.toc { margin: 0; padding: 0 22px 22px; list-style: none; display: grid; gap: 8px; }
.toc li { padding-left: 14px; border-left: 1px solid var(--border-soft); }
.toc li.toc-part { color: var(--brass-light); margin-top: 12px; border-left-color: var(--brass-rich); }

/* Authors */
.author { display: grid; grid-template-columns: minmax(0, 380px) minmax(0, 1fr); gap: clamp(20px, 3vw, 48px); align-items: start; margin-bottom: clamp(24px, 3vw, 44px); scroll-margin-top: 112px; }
.pf { position: relative; padding: 9px; background: rgba(8, 8, 12, .62); border: 1px solid var(--border); border-radius: var(--r-panel); backdrop-filter: blur(6px); box-shadow: 0 24px 60px rgba(0, 0, 0, .55); margin: 0; }
.pf-img { position: relative; overflow: hidden; border-radius: 6px; aspect-ratio: 4 / 5; background: #000; }
.pf-img img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 18%; filter: grayscale(1) contrast(1.05); }
.pf-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, .45)); pointer-events: none; }
.name { font-size: clamp(26px, 2.6vw, 42px); margin-bottom: 8px; }
.role { font: 13px/1.5 var(--f-mono); letter-spacing: 1.6px; text-transform: uppercase; color: var(--brass); margin-bottom: 16px; }
.bio-lede { color: #fff; font-size: clamp(17px, 1.15vw, 20px); }
.line { color: var(--brass-hot); }
.tl { --p: 1; position: relative; margin: 22px 0; padding-left: 34px; }
html.js-ok .tl { --p: 0; }
.tl::before, .tl::after { content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; }
.tl::before { background: rgba(177, 126, 56, .22); }
.tl::after { background: var(--metal); transform-origin: 50% 0; transform: scaleY(var(--p)); }
.te { position: relative; padding-bottom: 18px; }
.te::before { content: ""; position: absolute; left: -34px; top: 5px; width: 10px; height: 10px; background: var(--ink); border: 1px solid var(--brass-rich); transform: rotate(45deg); transition: background .4s; }
.te.lit::before { background: var(--brass-hot); box-shadow: 0 0 12px var(--brass); }
.te .yr { display: block; font: 13px var(--f-mono); letter-spacing: 2px; text-transform: uppercase; color: var(--brass); }
.te p { margin: 4px 0 0; font-size: 16px; }
html.js-ok .te { opacity: .55; transition: opacity .6s; }
html.js-ok .te.lit { opacity: 1; }

/* Companion band, notice, thanks */
.band { position: relative; isolation: isolate; overflow: hidden; padding: clamp(64px, 10vw, 150px) 0; margin: clamp(24px, 4vw, 56px) 0; }
.band-img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; animation: slowzoom 40s ease-in-out infinite alternate; }
@keyframes slowzoom { from { transform: scale(1); } to { transform: scale(1.1); } }
.band-shade { position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(8, 8, 10, .88), rgba(8, 8, 10, .45) 60%, rgba(8, 8, 10, .75)); }
.companion-in .pn { max-width: 760px; }
.form-frame { margin: 14px 0 0; border-radius: var(--r-btn); overflow: hidden; background: transparent; }
.form-frame iframe { width: 100%; min-height: 640px; border: 0; display: block; }
.notice-more summary { min-height: 44px; display: flex; align-items: center; cursor: pointer; color: var(--brass-light); font: 13px var(--f-mono); letter-spacing: 1.6px; text-transform: uppercase; }
.thanks { padding: clamp(56px, 10vw, 140px) 0; min-height: 60svh; }
.thanks .pn { max-width: 760px; margin-inline: auto; }
.thanks h1 { margin-bottom: 16px; }

/* Presenter bubble */
.pres { position: fixed; left: 14px; bottom: 16px; z-index: 75; width: 120px; background: #000; border: 1px solid var(--border); border-radius: var(--r-panel); box-shadow: 0 16px 50px rgba(0, 0, 0, .7), 0 0 30px rgba(177, 126, 56, .18); transition: width .45s var(--ease-out); animation: pres-in .8s var(--ease-out) both; }
.pres[hidden] { display: none; }
@keyframes pres-in { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: none; } }
.pres-vid { position: relative; overflow: hidden; border-radius: 9px 9px 0 0; aspect-ratio: 9 / 14; background: #000; transition: aspect-ratio .45s var(--ease-out); }
.pres-vid video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 20%; }
.pres-play { position: absolute; left: 50%; top: 50%; width: 46px; height: 46px; margin: -23px 0 0 -23px; display: grid; place-items: center; background: rgba(8, 8, 12, .7); border: 1px solid var(--brass); border-radius: var(--r-btn); animation: playpulse 2.6s ease-out infinite; }
.pres-play svg { width: 20px; height: 20px; fill: var(--brass-hot); }
@keyframes playpulse { 0% { box-shadow: 0 0 0 0 rgba(214, 173, 102, .5); } 100% { box-shadow: 0 0 0 26px rgba(214, 173, 102, 0); } }
.pres.playing .pres-play { opacity: 0; pointer-events: none; }
.pres-cap { position: absolute; left: 0; right: 0; bottom: 0; margin: 0; padding: 26px 10px 10px; background: linear-gradient(transparent, rgba(0, 0, 0, .85)); font: 14px/1.35 var(--f-body); color: #fff; text-align: center; }
.pres-cap:empty { display: none; }
.pres-x { position: absolute; z-index: 3; right: 4px; top: 4px; width: 44px; height: 44px; background: transparent; border: 0; color: #fff; font-size: 22px; line-height: 1; }
.pres-x::before { content: ""; position: absolute; inset: 8px; background: rgba(0, 0, 0, .7); border: 1px solid var(--border); border-radius: var(--r-badge); z-index: -1; }
.pres:not(.big) #pres-time { display: none; }
.pres:not(.big) .pres-meta { justify-content: center; }
.pres-meta { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 0 10px; min-height: 44px; font: 13px var(--f-mono); letter-spacing: 1px; color: var(--text-muted); }
.pres-big { background: none; border: 0; min-height: 44px; padding: 0 4px; font: 13px var(--f-mono); letter-spacing: 1.4px; text-transform: uppercase; color: var(--brass-light); }
.pres.big { width: min(380px, calc(100vw - 32px)); }
.pres.big .pres-vid { aspect-ratio: 16 / 10; }

/* Footer */
.foot { position: relative; border-top: 1px solid var(--border-soft); background: rgba(0, 0, 0, .78); padding: clamp(40px, 5vw, 72px) 0 28px; margin-top: clamp(32px, 5vw, 72px); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(24px, 4vw, 64px); }
.foot h4 { margin-bottom: 8px; font-size: 14px; color: var(--brass); font-family: var(--f-mono); letter-spacing: 3px; }
.foot ul { list-style: none; margin: 0; padding: 0; }
.foot li a { display: inline-flex; align-items: center; min-height: 44px; color: var(--text-body); font-size: 16px; }
.foot li a:hover { color: var(--brass-hot); }
.foot .brand-note { margin-top: 14px; color: var(--text-muted); font-size: 15px; }
.foot-base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; margin-top: 32px; padding-top: 22px; border-top: 1px solid var(--border-faint); font: 13px var(--f-mono); letter-spacing: 1.6px; text-transform: uppercase; color: var(--text-muted); }
.foot-base a { display: inline-flex; align-items: center; min-height: 44px; }

/* Cursor */
html.cur-on, html.cur-on a, html.cur-on button { cursor: none; }
html.cur-on input, html.cur-on textarea { cursor: text; }
.cur { position: fixed; left: 0; top: 0; z-index: 9990; width: 44px; height: 44px; margin: -22px 0 0 -22px; pointer-events: none; opacity: 0; transition: opacity .3s; }
.cur.on { opacity: 1; }
.cur svg { width: 100%; height: 100%; overflow: visible; transition: transform .25s var(--ease-out); }
.cur circle { fill: none; stroke: var(--brass); stroke-width: 1.4; }
.cur.link svg { transform: scale(1.7); }
.cur.link circle { fill: rgba(214, 173, 102, .14); }
.cur.down svg { transform: scale(.7); }
.cur.text svg { transform: scale(.35); }
.cur-dot { position: fixed; left: 0; top: 0; z-index: 9991; width: 6px; height: 6px; margin: -3px 0 0 -3px; background: var(--brass-hot); transform: rotate(45deg); pointer-events: none; opacity: 0; }
.cur-dot.on { opacity: 1; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

@media (max-width: 640px) { :root { --wrap: calc(100vw - 32px); } }
@media (max-width: 1280px) { .hdr-top { gap: 12px; } .parent { display: none; } }
@media (max-width: 1100px) {
  .hero-grid, .who, .author { grid-template-columns: minmax(0, 1fr); }
  .cover-wrap { justify-self: start; width: min(100%, 300px); }
  .btn .long { display: none; } .btn .short { display: inline; }
  .author { grid-template-columns: minmax(0, 1fr); }
  .author .pf { max-width: 340px; }
}
@media (max-width: 899px) {
  body { font-size: 16px; }
  .hdr-nav { display: none; }
  .menu-btn { display: inline-flex; }
  .hdr-right .btn { display: none; }
  .hdr-top { min-height: 58px; }
  .brand .emb { width: 40px; height: 40px; }
  .brand-n { font-size: 14px; letter-spacing: 1.4px; max-width: 170px; }
  .brand-s { display: none; }
  .hero { min-height: 0; }
  .hero-grid { padding-top: 28px; }
  .scroll-cue { display: none; }
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .two-col { grid-template-columns: minmax(0, 1fr); }
  .chap-stage { min-height: 0; padding-top: 56vw; }
  .chap-num { font-size: clamp(120px, 40vw, 220px); top: 4px; }
  .chap-shade { background: linear-gradient(180deg, rgba(10, 10, 12, .2), rgba(10, 10, 12, .55) 40%, rgba(10, 10, 12, .98) 78%); }
  .foot-grid { grid-template-columns: minmax(0, 1fr); }
  .sec { padding: 48px 0; }
  .who-media { min-height: 260px; }
  .pres { width: 84px; left: 10px; bottom: 10px; }
  .pres-vid { aspect-ratio: 9 / 12; }
  .pres.big { width: calc(100vw - 20px); }
}
@media (hover: none) { html.cur-on, html.cur-on a, html.cur-on button { cursor: auto; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001s !important; animation-iteration-count: 1 !important; transition-duration: .001s !important; scroll-behavior: auto !important; }
  html.js-ok .rv, html.js-ok .mask, html.js-ok .mask img, html.js-ok .unveil .pf-img, html.js-ok .unveil .pf-img img { opacity: 1 !important; transform: none !important; clip-path: none !important; }
  .grain, .atm-glow, .gear, .cover-glow, .band-img, .live, .caret::after, .pres-play { animation: none !important; }
  .ticker-track { animation: none !important; }
}