/* mattsbooks.org draft — tokens from build_plan 1.7 */
@font-face{font-family:"Fredoka";src:url(/fonts/fredoka-latin.woff2) format("woff2");font-weight:300 700;font-stretch:75% 125%;font-display:swap}
@font-face{font-family:"Nunito";src:url(/fonts/nunito-latin.woff2) format("woff2");font-weight:200 1000;font-display:swap}
@font-face{font-family:"Fredoka Fallback";src:local("Arial");size-adjust:104%;ascent-override:92%;descent-override:24%}
@font-face{font-family:"Nunito Fallback";src:local("Arial");size-adjust:101%;ascent-override:99%;descent-override:35%}
:root{
 --paper:#FBFAF7;--surface:#FFFFFF;--ink:#1C1A24;--ink-soft:#5E5A6B;--line:#ECE8E1;
 --peach:#FFE3D8;--sky:#DCEBFF;--mint:#E4F5EC;--lilac:#EDE6FF;--butter:#FFF3C9;--accent:#F9503F;
 --step-5:clamp(2.5rem,1.9rem + 3vw,4.5rem);--step-4:clamp(2rem,1.6rem + 2vw,3.5rem);--step-3:clamp(1.5rem,1.3rem + 1vw,2.25rem);
 --step-2:clamp(1.25rem,1.15rem + .5vw,1.5rem);--step-1:1.25rem;--step-0:clamp(1.125rem,1.08rem + .2vw,1.25rem);--step--1:.875rem;
 --space-s:12px;--space-m:16px;--space-l:24px;--space-xl:40px;--space-2xl:64px;--space-3xl:96px;
 --shadow:0 18px 40px -20px rgba(28,26,36,.35);
 --head:"Fredoka","Fredoka Fallback",system-ui,sans-serif;--body:"Nunito","Nunito Fallback",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:var(--step-0);line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--head);font-weight:600;line-height:1.1;margin:0;letter-spacing:-.01em}
p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration-thickness:1.5px;text-underline-offset:3px}
img{display:block;max-width:100%;height:auto}
:focus-visible{outline:3px solid var(--ink);outline-offset:3px;border-radius:6px}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--surface);padding:8px 16px;border-radius:999px;z-index:10}
.skip:focus{left:12px}
.wrap{max-width:1200px;margin:0 auto;padding:0 var(--space-l)}
.wrap.narrow{max-width:720px}
@media (min-width:960px){.wrap{padding:0 var(--space-2xl)}}
.eyebrow{font-weight:800;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft)}
.lede{font-size:var(--step-2);color:var(--ink-soft);margin-top:12px;max-width:40ch;line-height:1.4}
.muted{color:var(--ink-soft);font-size:1rem;margin-top:6px}

/* header / footer */
.site-header{view-transition-name:header}
.head-in{display:flex;align-items:center;justify-content:space-between;padding-top:24px;padding-bottom:20px}
.wordmark{font-family:var(--head);font-weight:600;font-size:1.75rem;letter-spacing:-.5px;text-decoration:none}
.wordmark span{color:var(--ink-soft);font-weight:400}
.wordmark.small{font-size:1.4rem;color:var(--ink)}
.site-header nav{display:flex;gap:6px}
.site-header nav a{font-weight:800;font-size:1rem;text-decoration:none;padding:8px 16px;border-radius:999px}
.site-header nav a:hover,.site-header nav a[aria-current]{background:var(--surface);box-shadow:inset 0 0 0 1.5px var(--line)}
.site-footer{border-top:1px solid var(--line);margin-top:var(--space-3xl);padding:var(--space-2xl) 0;color:var(--ink-soft);font-size:.95rem}
.foot-in{display:grid;gap:var(--space-xl)}
@media (min-width:960px){.foot-in{grid-template-columns:1.2fr 1.6fr 1fr .8fr}}
.foot-cats{display:grid;gap:4px}
.foot-cats a{text-decoration:none}.foot-cats a:hover{text-decoration:underline}
.foot-disc strong{color:var(--ink)}

/* breadcrumbs */
.crumbs ol{display:flex;flex-wrap:wrap;gap:6px;font-size:.9rem;color:var(--ink-soft);font-weight:600;padding-top:16px}
.crumbs li+li::before{content:"/";margin-right:6px;opacity:.6}
.crumbs a{text-decoration:none}.crumbs a:hover{text-decoration:underline}
.crumbs [aria-current]{color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:60vw}

/* cards + grids */
.sec-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap}
.sec-head h2{font-size:var(--step-3);font-weight:500}
.sec-head a{font-weight:800;font-size:1rem;text-decoration:none;white-space:nowrap}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-xl) var(--space-l);margin-top:var(--space-xl)}
@media (min-width:700px){.grid-5,.grid-4{grid-template-columns:repeat(3,1fr)}}
@media (min-width:1024px){.grid-5{grid-template-columns:repeat(5,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}}
.grid-3{grid-template-columns:repeat(3,minmax(0,220px));gap:var(--space-l) var(--space-2xl)}
@media (max-width:699px){.grid-3{grid-template-columns:repeat(3,1fr);gap:var(--space-l) var(--space-m)}.grid-3 .card-a{display:none}.grid-3 .card-t{font-size:.85rem}}
.card a{display:flex;flex-direction:column;text-decoration:none}
.frame{aspect-ratio:2/3;display:flex;align-items:flex-end;justify-content:center}
.frame img{height:100%;width:auto;max-width:100%;object-fit:contain;object-position:bottom;border-radius:4px 10px 10px 4px;box-shadow:var(--shadow)}
.card-t{margin-top:14px;font-weight:800;font-size:1rem;line-height:1.3}
.card-a{font-size:.9rem;color:var(--ink-soft);line-height:1.35;margin-top:2px}
.card a:hover .card-t{text-decoration:underline}

/* horizontal shelves (native scroll-snap, no autoplay) */
.snap{display:grid;grid-auto-flow:column;grid-auto-columns:42%;gap:var(--space-l);overflow-x:auto;scroll-snap-type:x mandatory;
 padding:var(--space-xl) 4px var(--space-m);margin-top:0;scrollbar-width:thin;overscroll-behavior-x:contain}
.snap>li{scroll-snap-align:start}
@media (min-width:700px){.snap{grid-auto-columns:23%}}
@media (min-width:1024px){.snap{grid-auto-columns:15.4%}}
.row-sec{margin-top:var(--space-3xl)}

/* home hero: covers are the hero */
.hero{padding-top:var(--space-xl)}
.hero h1{font-size:var(--step-5);max-width:16ch;margin-top:14px;line-height:1.04}
.hero-covers{display:flex;justify-content:center;align-items:flex-end;margin-top:var(--space-2xl);padding:0 4%;height:clamp(200px,24vw,320px)}
.hero-c{flex:0 0 auto;margin:0 -3%;height:100%;display:flex;align-items:flex-end}
.hero-c a{display:block;height:100%;display:flex;align-items:flex-end}
.hero-c img{height:100%;width:auto;border-radius:4px 12px 12px 4px;box-shadow:0 24px 48px -22px rgba(28,26,36,.45)}
.hc0{height:72%;transform:rotate(-7deg);z-index:1}.hc1{height:84%;transform:rotate(-4deg);z-index:2}.hc2{height:94%;transform:rotate(-1.5deg);z-index:3}
.hc3{height:100%;z-index:4}.hc4{height:94%;transform:rotate(1.5deg);z-index:3}.hc5{height:84%;transform:rotate(4deg);z-index:2}.hc6{height:72%;transform:rotate(7deg);z-index:1}
@media (max-width:699px){.hc0,.hc6{display:none}.hero-c{margin:0 -5%}.hero-covers{height:clamp(200px,52vw,260px)}}

/* shelf tiles */
.tiles{display:grid;gap:var(--space-l);margin-top:var(--space-xl)}
@media (min-width:700px){.tiles{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.tiles{grid-template-columns:repeat(3,1fr)}}
.tile a{display:grid;background:var(--c);border-radius:20px;padding:28px 28px 26px;text-decoration:none;height:100%}
.tile a:hover{box-shadow:inset 0 0 0 2px var(--ink)}
.fan{display:flex;justify-content:center;align-items:flex-end;height:170px;margin-bottom:20px}
.fan-i{height:100%;display:flex;align-items:flex-end;margin:0 -10px}
.fan-i img{height:100%;width:auto;border-radius:3px 8px 8px 3px;box-shadow:var(--shadow)}
.fan-i:nth-child(1){transform:rotate(-6deg);height:86%}.fan-i:nth-child(2){z-index:1}.fan-i:nth-child(3){transform:rotate(6deg);height:86%}
.tile-t{font-family:var(--head);font-size:1.75rem;font-weight:500}
.tile-n{color:var(--ink-soft);font-size:.95rem;line-height:1.4}

/* category page */
.shelf-page{background:linear-gradient(to bottom,color-mix(in srgb,var(--c) 60%,var(--paper)) 0,var(--paper) 520px)}
.shelf-head{padding:var(--space-xl) 0 0}
.shelf-head h1{font-size:var(--step-4);margin-top:10px}
.also{margin-top:var(--space-3xl);border-top:1px solid var(--line);padding-top:var(--space-xl)}
.other-shelves{margin-top:var(--space-3xl)}
.other-shelves h2{font-size:var(--step-3);font-weight:500}
.pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:var(--space-l)}
.shelf-pill,.shelf-link{display:inline-block;background:var(--c);padding:7px 18px;border-radius:999px;font-weight:700;font-size:.95rem;text-decoration:none}
.shelf-pill:hover,.shelf-link:hover{box-shadow:inset 0 0 0 1.5px var(--ink)}

/* book page */
.book{display:grid;gap:var(--space-xl);margin-top:var(--space-l)}
@media (min-width:960px){.book{grid-template-columns:minmax(0,4fr) minmax(0,6fr);gap:var(--space-2xl);align-items:start}}
.panel{background:var(--c);border-radius:20px;padding:var(--space-xl) 0;display:flex;justify-content:center;overflow:clip}
@media (min-width:960px){.panel{padding:var(--space-3xl) 0}}
.book-cover{width:64%;max-width:360px;height:auto;border-radius:4px 12px 12px 4px;box-shadow:var(--shadow)}
.credit{font-size:var(--step--1);color:var(--ink-soft);margin-top:10px;text-align:center}
.book-text{max-width:640px}
.book h1{font-size:var(--step-5);line-height:1.05;margin-top:12px;overflow-wrap:break-word;hyphens:auto}
.byline{font-size:var(--step-2);font-weight:700;color:var(--ink-soft);margin-top:12px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:var(--space-l)}
.chip{background:var(--surface);box-shadow:inset 0 0 0 1.5px var(--line);padding:5px 14px;border-radius:999px;font-size:var(--step--1);font-weight:700}
.buy-wrap{margin-top:var(--space-xl);max-width:460px}
.buy-button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:64px;padding:10px 32px;
 background:var(--accent);color:var(--ink);border-radius:999px;text-decoration:none;text-align:center;view-transition-name:buy-button}
.buy-button:hover{outline:2px solid var(--ink);outline-offset:0}
.buy-button:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
.buy-main{font-size:var(--step-1);font-weight:800;line-height:1}
.buy-sub{font-size:.875rem;font-weight:700;line-height:1.2;color:var(--ink)}
.disc-line{margin-top:12px;font-size:var(--step--1);color:var(--ink-soft);font-weight:500;line-height:1.45}
.review{margin-top:var(--space-2xl)}
.review h2,.summary h2{font-size:var(--step-3);font-weight:500}
.review p{margin-top:var(--space-m);max-width:62ch}
.signed{color:var(--ink-soft);font-weight:700}
.summary{margin-top:var(--space-xl);background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:var(--space-l)}
.summary h2{font-size:1.25rem}
.summary dl,.details dl{display:grid;grid-template-columns:1fr;gap:2px 20px;margin-top:12px;font-size:1rem;line-height:1.5}
.summary dt,.details dt{font-weight:800;margin-top:10px}
@media (min-width:600px){.summary dl,.details dl{grid-template-columns:max-content 1fr}.summary dt,.details dt,.summary dd,.details dd{margin-top:10px}}
.details{margin-top:var(--space-l)}
.details dd{display:flex;flex-wrap:wrap;gap:6px}
.related{margin-top:var(--space-3xl)}
.pager{display:flex;justify-content:space-between;gap:var(--space-m);margin-top:var(--space-2xl)}
.pager a{display:flex;gap:6px;max-width:48%;background:var(--surface);border:1.5px solid var(--line);border-radius:999px;padding:12px 22px;font-weight:800;font-size:.95rem;text-decoration:none}
.pager a span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pager a:hover{border-color:var(--ink)}
.about h1{font-size:var(--step-4);margin-top:10px}
.about h2{font-size:var(--step-3);font-weight:500;margin-top:var(--space-2xl)}
.about p{margin-top:var(--space-m)}
.about .lede{max-width:none}

/* ---- Effect 1: cover parallax (scroll-driven), only when motion is OK ---- */
@media (prefers-reduced-motion:no-preference){
 @supports (animation-timeline:view()){
  .book-cover{animation:cover-drift linear both;animation-timeline:view();animation-range:cover 0% cover 100%}
  @keyframes cover-drift{from{transform:translateY(-16px)}to{transform:translateY(24px)}}
  @media (min-width:960px){@keyframes cover-drift{from{transform:translateY(-24px)}to{transform:translateY(48px)}}}
 }
}
/* ---- Effect 2: cross-document page-turn transition ---- */
@media (prefers-reduced-motion:no-preference){
 @view-transition{navigation:auto}
 ::view-transition-old(root){animation:280ms cubic-bezier(.2,.7,.2,1) both page-out}
 ::view-transition-new(root){animation:320ms cubic-bezier(.2,.7,.2,1) both page-in}
 @keyframes page-out{to{opacity:0;transform:translateX(-4%)}}
 @keyframes page-in{from{opacity:0;transform:translateX(6%)}}
 ::view-transition-group(buy-button),::view-transition-new(buy-button){animation:none}
 ::view-transition-old(buy-button){display:none}
}
/* fallback fade on everything in <main> except the buy button block */
.vt-fallback main .wrap>*:not(.book),.vt-fallback main .book-art,.vt-fallback main .book-text>*:not(.buy-wrap){animation:fade-in 180ms ease-out both}
@keyframes fade-in{from{opacity:.4}to{opacity:1}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

/* mobile tuning: keep cover, title, author and buy button near the first screen */
@media (max-width:699px){.hero{overflow-x:clip}}
@media (max-width:959px){
 .panel{padding:20px 0}
 .book-cover{width:44%}
 .book .eyebrow{display:none}
 .book h1{font-size:clamp(2rem,1.6rem + 2.4vw,3rem);margin-top:0}
 .crumbs [aria-current]{display:none}
 .crumbs li:nth-last-child(2)::after{content:""}
 .buy-wrap{margin-top:var(--space-l);max-width:none}
 .chips{margin-top:16px}
}

/* turn 2: shelf intros, summary topics, simple pages, placeholder forms */
.shelf-intro{max-width:68ch;margin-top:var(--space-m)}
.shelf-intro p{font-size:1.05rem;line-height:1.65;color:var(--ink)}
.summary .topics{margin:4px 0 0;padding-left:1.2em;list-style:disc}
.summary .topics li{margin-top:2px}
.short{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92rem;background:var(--paper);padding:2px 8px;border-radius:8px;box-shadow:inset 0 0 0 1px var(--line)}
.disc-line a{color:var(--ink);font-weight:700}
.prose h2{font-size:var(--step-2);font-weight:600;margin-top:var(--space-xl)}
.prose ul{margin-top:var(--space-s);padding-left:1.2em}
.draft-note{background:var(--butter);border-radius:14px;padding:12px 16px;margin-top:var(--space-m);font-size:1rem}
.placeholder{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--butter);padding:2px 8px;border-radius:8px}
.pform{display:grid;gap:6px;margin-top:var(--space-m);max-width:520px}
.pform label{font-weight:800;margin-top:10px}
.pform input,.pform textarea{font:inherit;padding:12px 14px;border-radius:14px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink)}
.pform input:focus,.pform textarea:focus{outline:3px solid var(--ink);outline-offset:1px}
.pform button{margin-top:14px;font:inherit;font-weight:800;padding:12px 26px;border-radius:999px;border:0;background:var(--ink);color:var(--surface);cursor:pointer;justify-self:start;min-height:48px}
.pform button:hover{background:#000}
.pform button:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.nl-form{background:var(--surface);border-radius:20px;padding:18px 20px 16px;box-shadow:inset 0 0 0 1px var(--line);max-width:560px}
.nl-form label{margin-top:0}
.nl-points{list-style:none;padding-left:0 !important}
.nl-points li{margin-top:10px;padding-left:1.6em;position:relative}
.nl-points li::before{content:"";position:absolute;left:0;top:.45em;width:.6em;height:.6em;border-radius:50%;background:var(--accent)}
.consent{font-size:.92rem;color:var(--ink-soft);margin-top:8px}
.consent a{color:var(--ink);font-weight:700}
.hp{position:absolute !important;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}
.mail-btn{display:inline-block;font-weight:800;padding:12px 24px;border-radius:999px;background:var(--ink);color:var(--surface);text-decoration:none}
.mail-btn:hover{background:#000}
.pform-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.pform-row input{flex:1 1 240px}
.pform-row button{margin-top:0}
.form-note{font-size:.95rem;color:var(--ink-soft);margin-top:12px;background:var(--surface);border:1px dashed var(--line);border-radius:12px;padding:10px 14px}
/* mobile header: wordmark on its own row, all four nav links on a second row */
@media (max-width:699px){
 .head-in{flex-wrap:wrap;row-gap:4px;padding-top:12px;padding-bottom:6px}
 .site-header nav{width:100%;gap:2px;margin-left:-10px}
 .site-header nav a{font-size:.95rem;padding:6px 10px}
}
/* carousel landing pages /c/<slug>/ (build_plan 9.11.1; added 2026-11-02) */
.c-head{margin:var(--space-l) 0 var(--space-xl)}
.c-disc{margin-top:var(--space-m);font-size:var(--step--1);color:var(--ink-soft);background:var(--peach);border-radius:16px;padding:12px 16px;line-height:1.45}
.c-list{list-style:none;padding:0;margin:0;display:grid;gap:var(--space-xl)}
.c-item{display:grid;grid-template-columns:180px 1fr;gap:var(--space-l);align-items:start;padding-bottom:var(--space-xl);border-bottom:1px solid rgba(28,26,36,.1)}
.c-item:last-child{border-bottom:0}
.c-art .panel{display:block;background:var(--c);border-radius:20px;padding:16px}
.c-art img{width:100%;height:auto;display:block;border-radius:6px;box-shadow:0 6px 18px rgba(28,26,36,.18)}
.c-num{font-size:var(--step--1);font-weight:700;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.06em;margin:0}
.c-text h2{margin:.2em 0 0}
.c-text h2 a{color:var(--ink);text-decoration:none}
.c-text h2 a:hover{text-decoration:underline}
.c-reason{font-size:var(--step-1);line-height:1.5;margin-top:var(--space-s)}
.c-more a{color:var(--ink);font-weight:700}
.c-page .buy-wrap{margin-top:var(--space-m)}
.c-page .buy-button{view-transition-name:none}
.c-foot{margin:var(--space-xl) 0}
@media (max-width:600px){.c-item{grid-template-columns:1fr}.c-art{max-width:220px}}

/* Newsletter: Turnstile widget + inline status (2026-11-03) */
.nl-form .cf-turnstile { margin-top: .5rem; }
.nl-status { margin: .5rem 0 0; font-weight: 600; min-height: 0; }
.nl-status:empty { display: none; }
.nl-status.ok { color: var(--ink); }
.nl-status.err { color: #a4262c; }
.nl-form button[aria-busy="true"] { opacity: .7; cursor: progress; }