/* zerodean.com — plain CSS. Fonts (Google Fonts): Cormorant Garamond = headings, Source Serif 4 = body, Inter = nav/labels */
:root{
  --paper:#f7f3ec; --white:#fff; --ink:#1c1a17; --muted:#5d574f; --line:#e3dccf;
  --navy:#1f2d52; --navy-dark:#161f3a; --orange:#e0791a; --orange-text:#a94f00;
  --serif-head:"Cormorant Garamond",Georgia,"Times New Roman",serif;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --sans:Inter,"Segoe UI",system-ui,-apple-system,Arial,sans-serif;
  --wrap:1120px; --read:720px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:400 19px/1.75 var(--serif);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--orange-text);text-underline-offset:3px}
a:hover{color:var(--navy)}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
.wrap{width:min(100% - 2.5rem,var(--wrap));margin-inline:auto}
.read{max-width:var(--read);margin-inline:auto}
.skip{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:.5rem 1rem;z-index:100}.skip:focus{left:0}

/* header */
.site-header{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:.9rem 0}
.brand{font:700 1.7rem/1 var(--serif-head);letter-spacing:.14em;text-transform:uppercase;color:var(--ink);text-decoration:none}
.brand small{display:block;font:500 .62rem/1.2 var(--sans);letter-spacing:.2em;color:var(--muted);margin-top:.3rem}
.nav-toggle{display:none}
.nav-list{list-style:none;margin:0;padding:0;display:flex;gap:1.75rem}
.nav-list a{font:500 .82rem/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--ink);text-decoration:none;padding:.5rem 0;border-bottom:2px solid transparent}
.nav-list a:hover{border-color:var(--orange)}
.nav-list a[aria-current="page"]{border-color:var(--orange);color:var(--navy)}

/* type */
h1,h2,h3,h4{font-family:var(--serif-head);color:var(--navy);line-height:1.1;margin:0 0 1rem;text-wrap:balance}
h1{font-size:clamp(2.6rem,6vw,4.4rem);font-weight:700}
h2{font-size:clamp(2rem,4vw,2.8rem);font-weight:700}
h3{font-size:1.6rem;font-weight:700}
p{margin:0 0 1.2rem;text-wrap:pretty}
.kicker{font:600 .78rem/1.4 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--orange-text);margin-bottom:.75rem}
.lead{font-size:1.3rem;line-height:1.6;color:var(--ink)}
.small{font-size:.92rem;color:var(--muted)}
.center{text-align:center}

/* layout */
section{padding:4.5rem 0}
.white{background:var(--white)}
.navy-band{background:var(--navy);color:#e9edf7}
.navy-band h2,.navy-band h3{color:#fff}.navy-band a{color:#ffc27a}
.page-hero{padding:4rem 0 2rem}
.split{display:grid;grid-template-columns:1.1fr 1fr;gap:3.5rem;align-items:center}
.split.top{align-items:start}
.split>*{min-width:0}
.split img{width:100%}
.split.rev{grid-template-columns:1fr 1.1fr}
.grid{display:grid;gap:1.5rem}.grid.two{grid-template-columns:repeat(2,1fr)}.grid.three{grid-template-columns:repeat(3,1fr)}
.card{background:var(--white);border:1px solid var(--line);border-radius:6px;padding:1.75rem}
.white .card{background:var(--paper)}
.card h3{margin-bottom:.6rem}
.btn{display:inline-block;background:var(--navy);color:#fff;font:600 .8rem/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;padding:1rem 1.6rem;border-radius:3px;text-decoration:none;margin:0 .6rem .6rem 0}
.btn:hover{background:var(--orange);color:#fff}
.btn.alt{background:transparent;color:var(--navy);border:2px solid var(--navy);padding:calc(1rem - 2px) calc(1.6rem - 2px)}
.btn.alt:hover{background:var(--navy);color:#fff}
.photo{border-radius:6px}
.round{border-radius:50%;width:min(100%,300px)}

/* hero */
.hero{padding:4rem 0 3rem;background:radial-gradient(ellipse at 75% 40%,#fff 0%,var(--paper) 70%)}
.hero .lead{max-width:34rem}
.center .lead{margin-left:auto;margin-right:auto;text-wrap:balance}
.hero-img{mix-blend-mode:multiply}

/* quotes */
.pull{font:italic 500 1.55rem/1.4 var(--serif-head);color:var(--navy);border-left:4px solid var(--orange);padding:.25rem 0 .25rem 1.5rem;margin:2rem 0}
.pull cite{display:block;font:500 .8rem/1.5 var(--sans);letter-spacing:.06em;color:var(--muted);font-style:normal;margin-top:.5rem}
blockquote.q{margin:0;padding:1.5rem;background:var(--white);border:1px solid var(--line);border-left:4px solid var(--orange);border-radius:0 6px 6px 0;break-inside:avoid;margin-bottom:1.25rem;font-size:1rem;line-height:1.65}
blockquote.q p{margin:0}
blockquote.q cite{display:block;margin-top:.7rem;font:600 .78rem/1.4 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-style:normal}
.walls{columns:2 320px;column-gap:1.25rem}

/* books */
.book-list{list-style:none;padding:0;margin:0;display:grid;gap:1rem}
.book-list li{background:var(--white);border:1px solid var(--line);border-left:6px solid var(--orange);padding:1.1rem 1.4rem;border-radius:0 6px 6px 0}
.book-list h3{font-size:1.5rem;margin:0 0 .3rem}
.book-list p{margin:0;font-size:.98rem;color:var(--muted);line-height:1.55}
.book-list .pages{font:500 .75rem/1 var(--sans);letter-spacing:.12em;color:var(--orange-text);text-transform:uppercase}
.b0{border-left-color:#c9c4bb!important}.b1{border-left-color:#f09a3e!important}.b2{border-left-color:#2c4478!important}.b3{border-left-color:#c1301b!important}.b4{border-left-color:#22563a!important}.b5{border-left-color:#5b2c8a!important}
.stores{display:flex;flex-wrap:wrap;gap:.5rem 1rem;font:500 .9rem/1.6 var(--sans);margin:0 0 1.5rem}
.stores a{white-space:nowrap}
.checks{list-style:none;padding:0;columns:2 260px;margin:1rem 0 1.5rem}
.checks li{margin-bottom:.5rem;padding-left:1.6rem;position:relative}
.checks li::before{content:"✓";position:absolute;left:0;color:var(--orange-text);font-weight:700}
.prose h2{margin-top:3rem}.prose h3{margin-top:2rem}
.prose ul{padding-left:1.3rem}.prose li{margin-bottom:.5rem}
.faq-q{font:700 1.15rem/1.4 var(--sans);color:var(--navy);text-transform:none;letter-spacing:0;margin:2.2rem 0 .5rem}
.social{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;list-style:none;padding:0;margin:0}
.social a{font:500 .85rem/1 var(--sans);letter-spacing:.1em;text-transform:uppercase}
.todo{border:2px dashed var(--orange);padding:1rem;font:500 .9rem/1.5 var(--sans);color:var(--orange-text);margin:1rem 0}

/* image links: show that a clickable image is clickable */
.img-link{display:block}
.img-link img{transition:opacity .2s ease,transform .2s ease}
.img-link:hover img,.img-link:focus-visible img{opacity:.92;transform:translateY(-3px)}
@media (prefers-reduced-motion:reduce){.img-link img{transition:none}.img-link:hover img,.img-link:focus-visible img{transform:none}}

/* footer */
.site-footer{background:var(--navy-dark);color:#b9c2d9;padding:3rem 0 2rem;font:400 .92rem/1.7 var(--sans)}
.site-footer a{color:#ffc27a}
.site-footer .foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:2.25rem 3rem}
.site-footer .brand{color:#fff;font-size:1.3rem}
.foot-id{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem .9rem}
.foot-sep{color:#6f7ba0;font-size:1.3rem;line-height:1}
.foot-info{display:inline-flex;align-items:center}
.foot-nav ul{list-style:none;margin:1rem 0 0;padding:0;display:flex;flex-wrap:wrap;gap:.35rem 1.4rem;max-width:25rem}
.foot-follow{flex:1 1 38rem;max-width:42rem}
.foot-h{margin:0 0 .5rem;color:#fff;font:600 .72rem/1.4 var(--sans);letter-spacing:.16em;text-transform:uppercase}
.soc{margin:0}
.soc>div{display:grid;grid-template-columns:14.5rem 1fr;gap:.2rem 1rem;padding:.4rem 0;border-top:1px solid rgba(255,255,255,.14)}
.soc dt{color:#fff}
.soc dd{margin:0;display:flex;flex-wrap:wrap;gap:.2rem 1.1rem}
.foot-info::before{content:"i";content:"i" / "";display:inline-flex;align-items:center;justify-content:center;width:1.35em;height:1.35em;margin-right:.45em;border-radius:50%;background:#ffc27a;color:var(--navy-dark);font:700 .95em/1 Georgia,"Times New Roman",serif;vertical-align:-.2em;text-decoration:none}
.foot-legal{margin:2.25rem 0 0;padding-top:1.25rem;border-top:1px solid rgba(255,255,255,.18);font-size:.85rem}
@media (max-width:640px){.soc>div{grid-template-columns:1fr}}

@media (max-width:860px){
  body{font-size:18px}
  section{padding:3rem 0}
  .split,.split.rev,.grid.two,.grid.three{grid-template-columns:1fr}
  .split{gap:2rem}
  .nav-toggle{display:block;background:none;border:1px solid var(--line);border-radius:3px;font:600 .75rem/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;padding:.7rem 1rem;color:var(--ink);cursor:pointer}
  .nav-list{display:none;position:absolute;left:0;right:0;top:100%;background:var(--white);flex-direction:column;gap:0;border-bottom:1px solid var(--line);padding:.5rem 1.25rem 1rem}
  .nav-list.open{display:flex}
  .nav-list a{display:block;padding:.9rem 0;border-bottom:1px solid var(--line)}
  .header-inner{position:relative}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* lightbox (same look and behaviour as Zero Talking; single image) */
a[data-zoom-w]{display:block;width:fit-content;max-width:100%;margin-left:auto;margin-right:auto;position:relative}
a[data-zoom-w].zoom{cursor:zoom-in}
a[data-zoom-w]::after{content:"";position:absolute;right:.55rem;bottom:.55rem;width:2rem;height:2rem;border-radius:50%;background:rgba(31,44,59,.82) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='2.2' stroke-linecap='round'%3E%3Ccircle cx='10.5' cy='10.5' r='5.5'/%3E%3Cpath d='M15 15l5 5M10.5 8v5M8 10.5h5'/%3E%3C/svg%3E") center/70% no-repeat;opacity:0;transition:opacity .2s ease;pointer-events:none;display:none}
a[data-zoom-w].zoom::after{display:block}
a[data-zoom-w].zoom:hover::after,a[data-zoom-w].zoom:focus-visible::after{opacity:1}
@media (hover:none){a[data-zoom-w].zoom::after{opacity:.9}}
html.lb-open{overflow:hidden}
.lb{position:fixed;inset:0;z-index:200;background:rgba(10,15,22,.93);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:1rem 1rem 0;animation:lbin .15s ease}
.lb[hidden]{display:none}
.lb-stage{position:relative;display:inline-block;max-width:96vw;line-height:0}
.lb-img{display:block;max-width:96vw;max-height:calc(100vh - 6.5rem);width:auto;height:auto;object-fit:contain;background:var(--paper);box-shadow:0 8px 40px rgba(0,0,0,.5);touch-action:pan-y pinch-zoom;margin:0;cursor:zoom-out}
.lb-x{position:absolute;top:.6rem;right:.8rem;width:2.6rem;height:2.6rem;border:0;border-radius:50%;background:rgba(255,255,255,.14);color:#fff;font:400 1.8rem/1 var(--sans);cursor:pointer}
.lb-x:hover,.lb-x:focus-visible{background:rgba(255,255,255,.3)}
.lb-bar{display:flex;gap:.6rem;align-items:center;justify-content:center;padding:1rem 0;min-height:5rem}
.lb-bar .lb-c{font:600 .95rem/1 var(--sans);padding:.7rem 1rem;border-radius:5px;border:0;background:var(--paper);color:var(--navy);cursor:pointer}
.lb-bar .lb-c:hover,.lb-bar .lb-c:focus-visible{outline:2px solid #fff;outline-offset:2px}
@media (pointer:coarse){.lb-bar{width:100%;max-width:34rem;padding:.7rem 0}.lb-bar .lb-c{min-height:3.6rem;flex:1 1 0}}
@keyframes lbin{from{opacity:0}to{opacity:1}}
@media (prefers-reduced-motion:reduce){.lb{animation:none}}

/* Back-to-top button (standing rule for all sites): shown by js/site.js on long pages after scrolling one screen */
.totop{position:fixed;right:1rem;bottom:1rem;z-index:40;width:2.8rem;height:2.8rem;border-radius:50%;border:2px solid var(--orange);background:var(--navy);color:#fff;font:700 1.4rem/1 var(--sans);cursor:pointer;display:grid;place-items:center;padding:0;opacity:0;transform:translateY(.6rem);transition:opacity .25s,transform .25s,background .15s;box-shadow:0 2px 8px rgba(0,0,0,.3)}
.totop[hidden]{display:none}
.totop.on{opacity:1;transform:none}
.totop:hover{background:var(--navy-dark)}
.totop:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
@media print{.totop{display:none}}
@media (prefers-reduced-motion:reduce){.totop{transition:none}}
/* Standing rule: centred text is always balanced */
.center,.center p,.center li{text-wrap:balance}

/* Zero 2026-10-07: buttons end in an arrow that slides right on hover, same as 3dpro.org (arrow added by gen.py) */
.btn{transition:background .12s}
.btn span{display:inline-block;margin-left:.35rem;transition:transform .12s}
.btn:hover span{transform:translateX(4px)}
@media (prefers-reduced-motion:reduce){.btn,.btn span{transition:none}.btn:hover span{transform:none}}

/* Zero 2026-10-07: the one exception to the two-column layout: a photo with text wrapping around it (home page, "Right now") */
.flowbox{display:flow-root;max-width:58rem}
.flow{float:left;width:380px;max-width:100%;margin:.3rem 2.5rem 1rem 0}
.flow img{width:100%;height:auto}
@media (max-width:860px){.flow{float:none;width:min(100%,420px);margin:0 0 1.5rem}}

/* Zero 2026-10-07: buttons sit at the right edge of their text (home page, class btnrow); cards that hold one pin it to the bottom-right so buttons line up */
.btnrow{text-align:right}
.btnrow .btn{margin:0 0 .6rem .6rem}
.card:has(>.btnrow){display:flex;flex-direction:column}
.card>.btnrow{margin-top:auto;margin-bottom:0;padding-top:.4rem}
/* Zero 2026-10-07: the phone menu button shows the same "☰ Menu" on every site (symbol is decorative, added here so no page changes) */
.nav-toggle{white-space:nowrap}
.nav-toggle::before{content:"\2630\00a0";content:"\2630\00a0" / ""}

/* Site name hover (Zero, 2026-10-07): the name grows 5% from its left edge and glows in the site accent; also on keyboard focus. Reduced motion: glow only. */
.brand{display:inline-block;transform-origin:left center;transition:transform .2s,text-shadow .2s}
.brand:hover,.brand:focus-visible{transform:scale(1.05);text-shadow:0 0 14px rgba(224,121,26,.55)}
@media (prefers-reduced-motion:reduce){.brand:hover,.brand:focus-visible{transform:none}}