@font-face{font-family:"Outfit";src:url("fonts/outfit-latin-wght-normal.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}

@font-face{font-family:"Caladea";src:url("fonts/caladea-latin-400-normal.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Caladea";src:url("fonts/caladea-latin-700-normal.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}

:root{
  --font:"Outfit",system-ui,sans-serif;
  /* Cambria where installed; Caladea is its metric-compatible open-source twin for everyone else */
  --font-head:Cambria,"Caladea",Georgia,serif;
  color-scheme:dark;
  --bg:#0a0f14;--surface:#111922;--surface-2:#172230;--line:rgba(255,255,255,.1);--line-strong:rgba(255,255,255,.28);
  --text:#eef2f5;--muted:#a3b3c0;--accent:#f2b33d;--accent-t:#f2b33d;--accent-ink:#1a1305;--accent-hover:var(--accent-hover);
  --nav-bg:rgba(10,15,20,.82);--nav-bg-solid:rgba(10,15,20,.97);
  --glow-1:rgba(242,179,61,.16);--glow-2:rgba(70,110,160,.16);--book-glow:rgba(242,179,61,.3);--book-shadow:rgba(0,0,0,.6);--dot:rgba(255,255,255,.25);
  --r-card:20px;--r-pill:999px;
  --ease:cubic-bezier(.16,1,.3,1);
  --wrap:1240px;--pad:clamp(20px,4vw,48px);
  --nav-h:68px;
  --sec-pt:clamp(44px,5.5vw,80px);
}
:root[data-theme="light"]{
  color-scheme:light;
  --bg:#f5f7fa;--surface:#ffffff;--surface-2:#e9eef4;--line:rgba(14,21,28,.12);--line-strong:rgba(14,21,28,.3);
  --text:#0e151c;--muted:#475766;--accent-t:#8f5700;
  --nav-bg:rgba(245,247,250,.85);--nav-bg-solid:rgba(245,247,250,.98);
  --glow-1:rgba(242,179,61,.28);--glow-2:rgba(70,110,160,.12);--book-glow:rgba(242,179,61,.4);--book-shadow:rgba(14,21,28,.35);--dot:rgba(14,21,28,.25);
}
*{box-sizing:border-box;margin:0;padding:0}
html{overflow-x:clip;scroll-behavior:smooth;scroll-padding-top:var(--nav-h);-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:1.0625rem;line-height:1.65;font-weight:300;overflow-x:clip}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;text-align:left}
p{max-width:65ch}
h1,h2,h3{font-family:var(--font-head);font-weight:700;letter-spacing:-.01em;line-height:1.1;text-wrap:balance}
.sub,.lead,.big,.pull blockquote,.prop-text,.def-text,.foot-big,.xc-letter,.xc-name,.xc-circle,.aud-title,.q-num,.dom-num,.q-card .acc-title,.author-name,.author-tag{font-family:var(--font-head)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:calc(var(--wrap) + var(--pad)*2);margin-inline:auto;padding-inline:var(--pad)}
.skip{position:absolute;left:-999px;top:8px;background:var(--accent);color:var(--accent-ink);padding:8px 14px;border-radius:var(--r-pill);z-index:100}
.skip:focus{left:8px}
.ic{width:1.25em;height:1.25em;flex:none;stroke-width:1.5}
.ic-lg{width:34px;height:34px;color:var(--accent-t)}
.ic-xl{width:44px;height:44px;color:currentColor}
.accent{color:var(--accent-t)}
.muted{color:var(--muted)}
/* second-colour part of a heading always starts on its own line */
h1 .accent,h2 .accent,h2 .muted,h3 .accent{display:block}

/* type */
.display{font-size:clamp(2.1rem,4.5vw,3.5rem);max-width:24ch;margin-bottom:24px}
.display-s{font-size:clamp(1.6rem,3vw,2.3rem);margin-bottom:16px}
.sub{font-size:clamp(1.15rem,1.7vw,1.4rem);color:var(--muted);max-width:56ch;margin-bottom:48px}
.eyebrow{font-size:.8rem;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-t);margin-bottom:18px}
.lead{font-size:clamp(1.15rem,1.6vw,1.35rem);color:var(--muted);max-width:44ch}
.big{font-size:clamp(1.25rem,2vw,1.6rem);line-height:1.4;font-weight:400;color:var(--text)}
.sec{padding-block:var(--sec-pt);scroll-margin-top:calc(8px - var(--sec-pt))}
#contact-panel{scroll-margin-top:8px}
.sec + .sec{border-top:1px solid var(--line)}
.block-title{font-size:clamp(1.3rem,2.2vw,1.7rem);margin-bottom:8px;margin-top:24px}
.block-note{color:var(--muted);margin-bottom:28px;font-size:.98rem}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:500;color:var(--accent-t);padding-block:6px;transition:gap .3s var(--ease)}
.link-arrow:hover{gap:14px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 24px;border-radius:var(--r-pill);font-weight:500;font-size:1rem;line-height:1.2;white-space:nowrap;border:1px solid transparent;transition:transform .25s var(--ease),background .25s,border-color .25s,color .25s}
.btn:active{transform:scale(.97)}
.btn-lg{padding:16px 30px;font-size:1.05rem}
.btn-accent{background:var(--accent);color:var(--accent-ink)}
.btn-accent:hover{background:var(--accent-hover);transform:translateY(-2px)}
.btn-ghost{border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent-t);color:var(--accent-t);transform:translateY(-2px)}
.btn-dark{background:#0a0f14;color:#eef2f5}
.btn-dark:hover{transform:translateY(-2px);background:#000}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* nav */
.nav{position:fixed;inset:0 0 auto;height:var(--nav-h);z-index:40;transition:background .3s,border-color .3s,backdrop-filter .3s;border-bottom:1px solid transparent}
.nav.is-solid{background:var(--nav-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-color:var(--line)}
.nav-inner{height:100%;display:flex;align-items:center;gap:24px}
.brand{display:inline-flex;align-items:center;gap:12px;font-weight:600;letter-spacing:-.01em;white-space:nowrap}
.brand-mark{position:relative;width:24px;height:24px;display:block}
.brand-mark i{position:absolute;border:1.5px solid var(--text);border-radius:3px}
.brand-mark i:nth-child(1){inset:0 8px 8px 0;opacity:.35}
.brand-mark i:nth-child(2){inset:2px 6px 6px 2px;opacity:.55}
.brand-mark i:nth-child(3){inset:4px 4px 4px 4px;opacity:.8}
.brand-mark i:nth-child(4){inset:8px 0 0 8px;background:var(--accent);border-color:var(--accent-t)}
.nav-links{margin-left:auto;display:flex;align-items:center;gap:clamp(14px,1.8vw,28px);font-size:.95rem}
.nav-links a[data-link]{color:var(--muted);padding:6px 2px;position:relative;transition:color .2s;white-space:nowrap}
.nav-links a[data-link]:hover,.nav-links a[data-link].is-current{color:var(--text)}
.nav-links a[data-link]::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1.5px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav-links a[data-link].is-current::after{transform:scaleX(1)}
.nav-cta{padding:10px 20px}
.menu-btn{display:none;width:44px;height:44px;border-radius:var(--r-pill);align-items:center;justify-content:center;border:1px solid var(--line)}
.menu-btn .ic-close{display:none}
.menu-btn[aria-expanded="true"] .ic-open{display:none}
.menu-btn[aria-expanded="true"] .ic-close{display:block}

.nav-right{display:flex;align-items:center;gap:10px}
.theme-btn{width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);display:grid;place-items:center;color:var(--text);transition:border-color .25s,color .25s,transform .25s var(--ease)}
.theme-btn:hover{border-color:var(--accent);color:var(--accent-t)}
.theme-btn:active{transform:scale(.94)}
.theme-btn .ic{width:20px;height:20px}
.theme-btn .ic-moon{display:none}
:root[data-theme="light"] .theme-btn .ic-sun{display:none}
:root[data-theme="light"] .theme-btn .ic-moon{display:block}
body,.nav,.panel-card,.tab-panels,.q-card,.dom,.fw-item,.ed,.conn,.carousel,.pull,.proposition{transition-property:background-color,border-color,color,transform,opacity,grid-template-rows;}

/* hero */
.hero{position:relative;min-height:100dvh;display:flex;align-items:center;padding:calc(var(--nav-h) + 24px) 0 64px;overflow:hidden}
.hero-glow{position:absolute;inset:0;pointer-events:none;background:radial-gradient(60% 55% at 78% 45%,var(--glow-1),transparent 70%),radial-gradient(40% 50% at 10% 100%,var(--glow-2),transparent 70%)}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:clamp(24px,5vw,72px);align-items:center}
.hero h1{font-size:clamp(2.2rem,4.4vw,3.6rem);line-height:1.1;margin-bottom:22px;max-width:none}
.hero-book{display:flex;justify-content:center}
.scene{position:relative;width:min(100%,500px);aspect-ratio:1/1.08;display:grid;place-items:center}
.scene-frames{position:absolute;inset:0;pointer-events:none}
.fr{position:absolute;left:50%;top:50%;aspect-ratio:1;border-radius:24px;will-change:transform}
.fr-fill{width:56%;margin:-28% 0 0 -28%;background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 38%,transparent),color-mix(in srgb,var(--accent) 4%,transparent));border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);animation:frFill 14s ease-in-out infinite}
.fr-a{width:98%;margin:-49% 0 0 -49%;border:1.5px solid color-mix(in srgb,var(--accent-t) 60%,transparent);animation:frA 22s linear infinite}
.fr-b{width:84%;margin:-42% 0 0 -42%;border:1.5px solid color-mix(in srgb,var(--accent-t) 42%,transparent);animation:frB 30s linear infinite}
.fr-c{width:104%;margin:-52% 0 0 -52%;border:1px solid color-mix(in srgb,var(--text) 14%,transparent);animation:frC 46s linear infinite}
@keyframes frA{from{transform:perspective(900px) rotateX(64deg) rotateZ(0)}to{transform:perspective(900px) rotateX(64deg) rotateZ(360deg)}}
@keyframes frB{from{transform:perspective(900px) rotateY(66deg) rotateZ(360deg)}to{transform:perspective(900px) rotateY(66deg) rotateZ(0)}}
@keyframes frC{from{transform:rotate(0)}to{transform:rotate(-360deg)}}
@keyframes frFill{0%,100%{transform:rotate(-8deg) scale(.96);opacity:.75}50%{transform:rotate(10deg) scale(1.06);opacity:1}}
.scene-dust{position:absolute;inset:0;overflow:hidden;pointer-events:none;-webkit-mask:linear-gradient(transparent,#000 22%,#000 78%,transparent);mask:linear-gradient(transparent,#000 22%,#000 78%,transparent)}
.scene-dust i{position:absolute;left:var(--x);bottom:6%;width:var(--z,4px);height:var(--z,4px);border-radius:50%;background:var(--accent);opacity:0;animation:dust var(--s) ease-in-out infinite;animation-delay:var(--d)}
@keyframes dust{0%{transform:translateY(0) scale(.5);opacity:0}15%{opacity:.85}100%{transform:translateY(-420px) translateX(26px) scale(1);opacity:0}}
.book{width:76%;position:relative;z-index:2}
.book::before{content:"";position:absolute;inset:6% 4% -6% 4%;background:radial-gradient(closest-side,var(--book-glow),transparent);filter:blur(34px);z-index:0;animation:bookGlow 7s ease-in-out infinite}
.book::after{content:"";position:absolute;left:14%;right:14%;bottom:-26px;height:26px;background:radial-gradient(closest-side,var(--book-shadow),transparent);filter:blur(8px);z-index:0;animation:bookGround 7s ease-in-out infinite}
.book-float{position:relative;z-index:1;animation:bookFloat 7s ease-in-out infinite;will-change:transform}
.book-tilt{position:relative;transform:perspective(1000px) rotateY(0) rotateX(0);will-change:transform}
.book-img{position:relative;width:100%;height:auto;aspect-ratio:384/528;object-fit:contain;filter:drop-shadow(0 30px 40px var(--book-shadow))}
.book-glare,.book-shine{position:absolute;inset:0;pointer-events:none;-webkit-mask:url(images/book.png) center/contain no-repeat;mask:url(images/book.png) center/contain no-repeat}
.book-glare{background:radial-gradient(circle at var(--gx,60%) var(--gy,30%),rgba(255,255,255,.6),transparent 46%);mix-blend-mode:soft-light}
.book-shine{overflow:hidden}
.book-shine::before{content:"";position:absolute;top:-10%;bottom:-10%;left:-45%;width:38%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.5),transparent);transform:translateX(0) skewX(-14deg);animation:bookSheen 4.5s ease-in-out infinite}
@keyframes bookFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-18px)}}
@keyframes bookGlow{0%,100%{opacity:.55;transform:scale(.94)}50%{opacity:1;transform:scale(1.06)}}
@keyframes bookGround{0%,100%{opacity:.9;transform:scaleX(1)}50%{opacity:.45;transform:scaleX(.8)}}
@keyframes bookSheen{0%,55%{transform:translateX(0) skewX(-14deg)}100%{transform:translateX(480%) skewX(-14deg)}}

/* challenge */
.challenge-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:clamp(32px,6vw,88px);align-items:start;margin-top:40px}
.challenge-body p+p{margin-top:20px;color:var(--muted)}
.challenge-body .big{color:var(--text)}
.pull{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:clamp(28px,4vw,48px);position:relative}
.pull-ic{color:var(--accent-t);margin-bottom:16px}
.pull blockquote{font-size:clamp(1.45rem,2.5vw,2rem);line-height:1.3;font-weight:400;font-style:italic}
.pull figcaption{margin-top:20px;color:var(--muted);font-size:.98rem}

/* panel cards and accordions */
.panel-card{margin-top:48px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.panel-link{display:flex;align-items:center;gap:16px;padding:20px 24px;font-weight:500;font-size:1.08rem;line-height:1.3;transition:border-color .3s}
.panel-link:hover{border-color:var(--accent)}
.panel-link:hover .acc-plus{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.acc-btn{width:100%;display:flex;align-items:center;gap:16px;padding:20px 24px;font-weight:500;font-size:1.08rem;line-height:1.3}
.acc-title{display:flex;align-items:center;gap:12px;flex:1}
.acc-title .ic{color:var(--accent-t)}
.acc-plus{width:36px;height:36px;border-radius:var(--r-pill);border:1px solid var(--line);display:grid;place-items:center;flex:none;transition:transform .4s var(--ease),background .3s,border-color .3s}
.acc-btn:hover .acc-plus{border-color:var(--accent-t);color:var(--accent-t)}
[aria-expanded="true"] > .acc-plus,[aria-expanded="true"] .acc-plus{transform:rotate(45deg);background:var(--accent);color:var(--accent-ink);border-color:var(--accent-t)}
.acc-panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows .5s var(--ease)}
.is-open > .acc-panel{grid-template-rows:1fr}
.acc-inner{overflow:hidden;min-height:0;padding-inline:24px}
.is-open > .acc-panel .acc-inner{padding-bottom:26px}
.acc-inner h3{font-size:1.5rem;margin-bottom:14px;margin-top:4px}
.acc-inner p{color:var(--muted)}
.acc-inner p+p{margin-top:14px}
.callout{border-left:2px solid var(--accent);padding-left:16px;color:var(--text)!important}

/* idea and framework cards (prototype pattern) */
.xgrid{display:grid;gap:0 14px;margin-top:48px}
.xgrid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.xgrid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.xcard{order:var(--n);display:flex;flex-direction:column;min-height:300px;padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);text-align:left;transition:border-color .3s,background .3s,transform .35s var(--ease)}
.xcard:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.xcard[aria-expanded="true"]{border-color:var(--accent);background:var(--surface-2)}
.xcard-hl{border-color:rgba(242,179,61,.55);background:var(--surface-2)}
.xc-label{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:500}
.xc-letter{font-size:clamp(3.4rem,5vw,4.6rem);font-weight:700;line-height:1;margin:22px 0 14px;color:var(--accent-t);opacity:.75;transition:opacity .3s}
.xcard-hl .xc-letter,.xcard[aria-expanded="true"] .xc-letter{opacity:1}
.xc-name{font-size:1.25rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.xc-desc{color:var(--muted);font-size:.95rem;line-height:1.45;margin-top:8px;max-width:30ch}
.xc-more{margin-top:auto;padding-top:22px;display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--accent-t);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600}
.xc-more .acc-plus,.xcard-pic>.acc-plus{width:32px;height:32px}
.xcard-pic{flex-direction:row;align-items:flex-start;gap:18px;min-height:210px;padding:26px}
.xc-circle{width:56px;height:56px;border-radius:50%;border:1px solid var(--accent-t);color:var(--accent-t);display:grid;place-items:center;font-size:1.5rem;font-weight:600;flex:none}
.xc-body{display:grid;align-content:start;gap:2px;flex:1;min-width:0}
.xcard-pic .xc-name{font-size:1.3rem;margin-top:2px}
.xcard-pic .xc-desc{margin-top:10px}
.xcard-pic>.acc-plus{flex:none}
.xdetail{order:calc(10 + var(--n));grid-column:1/-1;display:grid;grid-template-rows:0fr;transition:grid-template-rows .5s var(--ease)}
.xdetail.is-open{grid-template-rows:1fr}
.xd-inner{overflow:hidden;min-height:0}
.xd-box{margin-top:14px;display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(20px,4vw,56px);padding:clamp(24px,4vw,44px);background:var(--surface);border:1px solid rgba(242,179,61,.45);border-radius:var(--r-card)}
.xd-kicker{color:var(--accent-t);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;font-weight:500}
.xd-box h3{font-size:clamp(1.4rem,2.4vw,1.9rem);margin-top:10px}
.xd-box p{color:var(--muted)}
.xd-box p+p{margin-top:14px}
.split-row{margin-top:56px;padding-top:36px;border-top:1px solid var(--line);display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:clamp(24px,5vw,72px);align-items:end}
.split-row-top{align-items:start}
.row-label{color:var(--accent-t);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;font-weight:500;margin-bottom:16px}
.prop-text{font-size:clamp(1.6rem,3.1vw,2.5rem);line-height:1.2;font-weight:700;letter-spacing:-.01em;max-width:26ch}
.split-side p{color:var(--muted);margin-bottom:18px}
.split-side h3{font-size:clamp(1.4rem,2.4vw,1.9rem);margin-bottom:14px}
.definition{border-left:3px solid var(--accent);padding:6px 0 6px 24px}
.def-label{color:var(--muted);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:12px}
.def-text{font-size:clamp(1.35rem,2.5vw,2rem);line-height:1.3;font-weight:400;max-width:30ch}

/* inside */
.q-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
.q-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);transition:border-color .3s}
.q-card.is-open{border-color:rgba(242,179,61,.45)}
.q-num{font-weight:700;color:var(--accent-t);font-size:1.5rem;min-width:2ch}
.q-card .acc-btn{padding:24px}
.q-card .acc-title{font-size:1.15rem}
.aud-panel{margin-top:112px;padding:clamp(24px,4vw,48px);border:1px solid rgba(242,179,61,.4);border-radius:var(--r-card);background:linear-gradient(135deg,var(--surface-2),var(--surface));position:relative;overflow:hidden}
.aud-panel::after{content:"";position:absolute;right:-110px;top:-110px;width:320px;height:320px;border:1px solid rgba(242,179,61,.3);border-radius:50%;pointer-events:none}
.aud-head{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:clamp(20px,4vw,56px);align-items:end;margin-bottom:32px;position:relative;z-index:1}
.aud-head p:not(.row-label){color:var(--muted)}
.aud-h{margin:0;max-width:none}
.aud-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;align-items:start;position:relative;z-index:1}
.aud{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-card);transition:border-color .3s}
.aud:hover{border-color:var(--line-strong)}
.aud.is-open{border-color:var(--accent)}
.aud:nth-child(5){grid-column:span 2}
.aud .acc-btn{flex-direction:column;align-items:stretch;gap:0;padding:22px;min-height:245px}
.aud-top{display:flex;justify-content:space-between;align-items:center;color:var(--accent-t)}
.aud-num{font-size:.78rem;letter-spacing:.14em;font-weight:600;color:var(--muted)}
.aud-title{font-size:1.3rem;font-weight:700;line-height:1.25;margin-top:26px;max-width:24ch}
.aud-sub{color:var(--muted);font-size:.95rem;line-height:1.45;margin-top:8px;max-width:36ch}
.aud .acc-inner{padding-inline:22px}
.aud .acc-inner p{font-size:.98rem}
.aud-foot{margin-top:28px;display:flex;flex-wrap:wrap;align-items:center;gap:6px 22px;color:var(--muted);position:relative;z-index:1}
.inventory{margin-top:112px}
.inv-head{max-width:62ch;margin-bottom:32px}
.inv-head p{color:var(--muted)}
.domains{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px;align-items:start;margin-bottom:12px}
.dom{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);transition:border-color .3s}
.dom.is-open{border-color:rgba(242,179,61,.45);background:var(--surface-2)}
.dom .acc-btn{flex-direction:column;align-items:flex-start;gap:36px;padding:22px}
.dom .acc-btn .acc-plus{position:absolute;right:18px;top:18px}
.dom{position:relative}
.dom-num{font-size:2.4rem;font-weight:700;line-height:1;color:var(--accent-t)}
.dom .acc-title{font-size:1.1rem;line-height:1.25}
.inventory .link-arrow{margin-top:12px}

/* endorsements */
.carousel{--gap:16px;--pv:1;min-width:0}
.slides{display:flex;gap:var(--gap);overflow-x:auto;scroll-snap-type:x mandatory;overscroll-behavior-x:contain;scrollbar-width:none;-webkit-overflow-scrolling:touch;padding:2px}
.slides::-webkit-scrollbar{display:none}
.slide{flex:0 0 calc((100% - (var(--pv) - 1)*var(--gap))/var(--pv));scroll-snap-align:start;display:flex;flex-direction:column;justify-content:space-between;gap:20px;padding:clamp(24px,3vw,36px);background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);transition:border-color .3s}
.slide:hover{border-color:var(--line-strong)}
.qicon{color:var(--accent-t);opacity:.9}
.slide-text{flex:1;font-size:1.02rem;line-height:1.65;color:var(--text);display:-webkit-box;-webkit-line-clamp:9;-webkit-box-orient:vertical;overflow:hidden;max-width:none}
.slide-more{display:inline-flex;align-items:center;gap:8px;color:var(--accent-t);font-weight:500;font-size:.95rem;align-self:flex-start;transition:gap .3s var(--ease)}
.slide-more:hover{gap:14px}
.slide-who{display:flex;align-items:center;gap:16px}
.avatar{width:52px;height:52px;border-radius:var(--r-pill);background:var(--surface-2);border:1px solid rgba(242,179,61,.5);color:var(--accent-t);display:grid;place-items:center;font-weight:600;flex:none}
.who-name{font-weight:600}
.who-role{color:var(--muted);font-size:.95rem;line-height:1.4}
.car-controls{display:flex;align-items:center;justify-content:space-between;margin-top:28px}
.dots{display:flex;gap:8px}
.dot{width:10px;height:10px;border-radius:var(--r-pill);background:var(--dot);transition:width .4s var(--ease),background .3s;padding:0}
.dot.is-active{width:34px;background:var(--accent)}
.arrows{display:flex;gap:10px}
.icon-btn{width:46px;height:46px;border-radius:var(--r-pill);border:1px solid var(--line);display:grid;place-items:center;transition:border-color .25s,color .25s,transform .25s var(--ease)}
.icon-btn:hover{border-color:var(--accent-t);color:var(--accent-t)}
.icon-btn:active{transform:scale(.94)}

/* author */
.author-head{margin-bottom:clamp(22px,3.5vw,40px)}
.author-name{font-size:clamp(2.4rem,5.6vw,4.2rem);line-height:1.05;margin-bottom:10px}
.author-tag{font-size:clamp(1.15rem,1.9vw,1.5rem);color:var(--muted);max-width:40ch;line-height:1.35}
.author-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(28px,5vw,72px);align-items:start}
.portrait{position:sticky;top:calc(var(--nav-h) + 24px)}
.portrait-frame{width:100%;border-radius:var(--r-card);overflow:hidden;aspect-ratio:4/5;background:var(--surface);border:1px solid var(--line)}
.portrait-frame img{width:100%;height:100%;object-fit:cover;object-position:50% 20%}
.author-copy>p{color:var(--muted);margin-bottom:18px}
.author-copy .display{max-width:18ch}
.focus{list-style:none;display:grid;gap:0;margin:34px 0 8px;border-top:1px solid var(--line)}
.focus li{display:flex;gap:18px;align-items:flex-start;padding:20px 0;border-bottom:1px solid var(--line)}
.focus .ic{width:30px;height:30px;color:var(--accent-t);margin-top:2px}
.focus strong{display:block;font-weight:600;font-size:1.1rem}
.focus span{color:var(--muted)}
.author-copy .panel-card{margin-top:32px}
.author-copy .link-arrow{margin-top:24px}

/* get */
.countdown{display:inline-block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:20px 28px;margin-bottom:40px}
.cd-label{color:var(--muted);font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:10px}
.cd-grid{display:flex;gap:clamp(18px,3vw,36px)}
.cd-grid div{display:grid;text-align:left}
.cd-grid span{font-size:clamp(2rem,4vw,2.9rem);font-weight:600;line-height:1;font-variant-numeric:tabular-nums;color:var(--accent-t)}
.cd-grid small{color:var(--muted);font-size:.8rem;margin-top:6px}
.cd-live{font-size:clamp(1.3rem,2.6vw,1.9rem);font-weight:600;color:var(--accent-t)}
.editions{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:16px}
.ed{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:clamp(24px,3vw,36px);display:flex;flex-direction:column;gap:12px}
.ed h3{font-size:1.8rem}
.ed p{color:var(--muted)}
.ed .link-arrow{margin-top:auto;padding-top:16px}
.ed-kind{color:var(--accent-t)!important;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;font-weight:500}
.ed-main{background:var(--accent);border-color:var(--accent-t);color:var(--accent-ink);gap:14px}
.ed-main p,.ed-main .ed-kind{color:var(--accent-ink)!important}
.ed-main .ed-kind{opacity:.75}
.ed-main .btn{margin-top:auto;align-self:flex-start}
.connect{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px;margin-top:16px}
.conn{min-width:0;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-card);padding:clamp(24px,3vw,40px);display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.conn h3{font-size:clamp(1.5rem,2.4vw,2rem)}
.conn p{color:var(--muted)}
.conn .btn{margin-top:auto}
.faq{margin-top:clamp(72px,9vw,120px);display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:clamp(24px,5vw,72px);align-items:start}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item .acc-btn{padding:22px 0}
.faq-item .acc-inner{padding-inline:0}

/* endorsements page */
.page-head{padding:calc(var(--nav-h) + clamp(32px,5vw,64px)) 0 clamp(28px,4vw,48px);position:relative}
.page-head .back-link{margin-bottom:22px}
.page-head .sub{margin-bottom:28px}
.quotes-sec{padding-bottom:clamp(56px,8vw,96px)}
.quotes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start}
.qcol{display:flex;flex-direction:column;gap:16px;min-width:0}
.qcard{padding:clamp(24px,3vw,34px);background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);display:flex;flex-direction:column;gap:18px;scroll-margin-top:calc(var(--nav-h) + 16px)}
.qcard:target{border-color:var(--accent)}
.qcard blockquote{font-size:1.02rem;line-height:1.7;color:var(--text)}
.qwho{display:flex;align-items:center;gap:14px;padding-top:6px;border-top:1px solid var(--line)}
.qwho>div{padding-top:14px}
.qwho .avatar{margin-top:14px}

/* footer */
.footer{border-top:1px solid var(--line);padding-block:clamp(56px,8vw,96px)}
.footer-inner{display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between;align-items:flex-end}
.foot-big{font-size:clamp(1.7rem,3.6vw,2.9rem);line-height:1.15;font-weight:700;letter-spacing:-.01em;max-width:22ch}
.foot-side{display:grid;gap:14px;justify-items:start}
.foot-by{color:var(--muted)}
.foot-contact{margin-top:clamp(32px,4vw,48px);padding-top:28px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:20px 32px;align-items:center;justify-content:space-between}
.foot-links,.socials{list-style:none;display:flex;flex-wrap:wrap;gap:10px 28px;align-items:center}
.foot-links a{display:inline-flex;align-items:center;gap:10px;color:var(--text);transition:color .25s}
.foot-links a:hover{color:var(--accent-t)}
.foot-links .ic{color:var(--accent-t)}
.socials{gap:10px}

/* back to top */
.to-top{position:fixed;right:clamp(16px,3vw,32px);bottom:clamp(16px,3vw,32px);width:52px;height:52px;border-radius:var(--r-pill);background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;z-index:30;box-shadow:0 12px 30px -8px rgba(0,0,0,.6);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .35s var(--ease),transform .35s var(--ease),visibility 0s .35s,background .25s}
.to-top.show{opacity:1;visibility:visible;transform:none;transition-delay:0s}
.to-top:hover{background:var(--accent-hover)}
.to-top:active{transform:scale(.94)}
.to-top .ic{width:24px;height:24px}

/* reveal */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease) var(--d,0s),transform .8s var(--ease) var(--d,0s)}
.js .reveal.in{opacity:1;transform:none}

/* tablet and below */
@media (max-width:1100px){
  .menu-btn{display:inline-flex}
  .nav-right{margin-left:auto}
  .nav-links{position:fixed;top:calc(var(--nav-h) + 6px);right:var(--pad);left:auto;margin-left:0;width:min(280px,calc(100vw - var(--pad)*2));background:var(--nav-bg-solid);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);flex-direction:column;align-items:stretch;gap:0;padding:6px 18px 16px;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:0 24px 50px -16px rgba(0,0,0,.45);transform:translateY(-8px) scale(.98);transform-origin:top right;opacity:0;visibility:hidden;transition:opacity .25s,transform .35s var(--ease),visibility 0s .35s;max-height:calc(100dvh - var(--nav-h) - 24px);overflow-y:auto}
  .nav-links.open{opacity:1;transform:none;visibility:visible;transition-delay:0s}
  .nav-links a[data-link]{padding:11px 0;font-size:1rem;border-bottom:1px solid var(--line)}
  .nav-links a[data-link]:last-of-type{border-bottom:0}
  .nav-links a[data-link]::after{display:none}
  .nav-cta{margin-top:10px;padding:12px 20px;font-size:.95rem}
}
@media (min-width:900px){
  .carousel{--pv:2}
}
@media (max-width:1000px){
  .hero{min-height:auto;padding-top:calc(var(--nav-h) + 40px)}
  .hero-grid,.challenge-grid,.author-grid,.faq,.split-row,.aud-head,.xd-box{grid-template-columns:minmax(0,1fr)}
  .hero-book{order:-1;margin-bottom:8px}
  .scene{width:min(88%,420px)}
  .hero-book{margin-bottom:8px}
  .editions{grid-template-columns:1fr 1fr}
  .ed-main{grid-column:1/-1}
  .portrait{position:static;max-width:420px}
  .quotes{display:flex;flex-direction:column}
  .qcol{display:contents}
  .qcard{order:var(--i)}
  .author-grid{grid-template-columns:minmax(0,1fr)}
  .portrait{position:static}
  .portrait-frame{width:min(100%,420px)}
  .xgrid-4,.xgrid-3{grid-template-columns:minmax(0,1fr);gap:0}
  .xcard{order:calc(var(--n)*2);min-height:0;margin-bottom:12px}
  .xdetail{order:calc(var(--n)*2 + 1)}
  .xd-box{margin-top:0;margin-bottom:12px}
  .xc-letter{margin:12px 0 8px;font-size:3.2rem}
  .xcard-pic{min-height:0}
  .aud-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .aud .acc-btn{min-height:200px}
}
@media (max-width:720px){
  body{font-size:1rem}
  .q-grid,.connect,.editions{grid-template-columns:minmax(0,1fr)}
  .conn .btn,.ed .btn{white-space:normal;text-align:center;justify-content:center;width:100%}
  .aud-grid{grid-template-columns:minmax(0,1fr)}
  .aud:nth-child(5){grid-column:auto}
  .aud .acc-btn{min-height:0}
  .aud-foot{flex-direction:column;align-items:flex-start}
  .hero h1{max-width:none}
  .cta-row .btn{flex:1 1 auto}
  .cd-grid{gap:16px}
  .car-controls{flex-direction:row}
  .slide{gap:28px}
  .footer-inner{align-items:flex-start}
  .brand-text{font-size:.98rem}
}
@media (max-width:380px){
  .brand-text{display:none}
  .btn-lg{padding:14px 22px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;transition-delay:0s!important}
  .book-float,.book::before,.book::after,.book-shine::before,.fr,.scene-dust i{animation:none!important}
  .scene-dust{display:none}
  .js .reveal{opacity:1;transform:none}
}