@import url("_fonts.css");

/* ---------------------------------------------------------------- tokens */
:root{
  --green:#4A7C42;
  --green-dk:#31572C;
  --green-lt:#EAF1E4;
  --blue:#2D7FA8;
  --blue-dk:#1F5E7E;
  --paper:#FBF8F1;
  --paper-2:#F4EFE3;
  --card:#FFFFFF;
  --ink:#25332B;
  --muted:#63736A;
  --line:#E3DDCE;
  --amazon:#FF9900;
  --amazon-dk:#E68A00;

  --serif:"Fraunces",Georgia,"Iowan Old Style",serif;
  --sans:"Nunito Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;

  --gut:clamp(20px,5vw,40px);
  --max:1140px;
  --radius:12px;
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3{
  font-family:var(--serif);
  font-weight:600;
  line-height:1.15;
  margin:0 0 .5em;
  letter-spacing:-.01em;
}
h1{font-size:clamp(32px,5.2vw,50px)}
h2{font-size:clamp(25px,3.4vw,34px)}
h3{font-size:20px}
p{margin:0 0 1em}
a{color:var(--blue-dk);text-decoration-thickness:1px;text-underline-offset:2px}
a:hover{color:var(--green-dk)}
img{max-width:100%;height:auto;display:block}

.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gut)}
.narrow{max-width:680px}
.center{text-align:center}
.muted{color:var(--muted)}
.lede{font-size:clamp(18px,2.2vw,21px);line-height:1.55;color:#3B4C42}

/* skip link, for keyboard and screen-reader users */
.skip{position:absolute;left:-9999px}
.skip:focus{
  left:var(--gut);top:10px;z-index:100;background:var(--card);
  padding:10px 16px;border-radius:8px;border:2px solid var(--green);
}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:4px}

/* ---------------------------------------------------------------- header */
.site-head{
  background:var(--paper);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:50;
}
.site-head .wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;padding-top:12px;padding-bottom:12px;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit}
.brand img{width:auto;height:52px}
.brand b{
  font-family:var(--serif);font-size:19px;font-weight:600;
  color:var(--green-dk);line-height:1.1;display:block;
}
.brand span{display:block;font-size:11.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted)}
@media(max-width:600px){.brand .brand-text{display:none}.brand img{height:44px}}

.site-nav{display:flex;gap:6px;flex-wrap:wrap}
.site-nav a{
  text-decoration:none;color:var(--ink);font-weight:600;font-size:15px;
  padding:8px 13px;border-radius:8px;
}
.site-nav a:hover{background:var(--green-lt);color:var(--green-dk)}
.site-nav a[aria-current="page"]{background:var(--green-lt);color:var(--green-dk)}

/* ---------------------------------------------------------------- hero */
.hero{padding:clamp(44px,7vw,80px) 0 clamp(36px,5vw,56px)}
.hero .wrap{display:grid;grid-template-columns:1.15fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
@media(max-width:820px){.hero .wrap{grid-template-columns:1fr}.hero-art{order:-1;max-width:300px;margin:0 auto}}
.hero h1{margin-bottom:.35em}
.hero-art{position:relative}
.hero-art .book-cover{
  display:block;
  box-shadow:0 1px 2px rgba(37,51,43,.10),0 14px 34px -12px rgba(37,51,43,.30);
}
.hero-art img{border-radius:6px}

.btn{
  display:inline-block;font-weight:700;font-size:16px;text-decoration:none;
  padding:13px 24px;border-radius:10px;border:1px solid transparent;
  transition:background-color .15s ease,border-color .15s ease;
}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-dk);color:#fff}
.btn-ghost{background:transparent;color:var(--green-dk);border-color:#C9D6BF}
.btn-ghost:hover{background:var(--green-lt);color:var(--green-dk)}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}

/* ---------------------------------------------------------------- sections */
.band{padding:clamp(40px,6vw,68px) 0}
.band-alt{background:var(--paper-2);border-block:1px solid var(--line)}
.band-head{max-width:640px;margin-bottom:clamp(24px,3vw,36px)}
.band-head p{margin-bottom:0}

.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,3vw,32px)}
@media(max-width:760px){.pillars{grid-template-columns:1fr}}
.pillar h3{margin-bottom:.3em;color:var(--green-dk)}
.pillar p{margin-bottom:0;font-size:16px;color:#3F5147}

.themes{display:grid;grid-template-columns:repeat(auto-fit,minmax(158px,1fr));gap:12px}
.theme{
  display:block;text-decoration:none;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;color:var(--ink);
}
.theme:hover{border-color:var(--green);background:var(--green-lt);color:var(--green-dk)}
.theme b{display:block;font-family:var(--serif);font-size:18px;font-weight:600}
.theme span{font-size:13.5px;color:var(--muted)}
.theme:hover span{color:var(--green-dk)}

/* ---------------------------------------------------------------- book grid */
.filters{
  display:flex;flex-wrap:wrap;gap:8px;
  padding-bottom:22px;margin-bottom:26px;border-bottom:1px solid var(--line);
}
.filters button{
  font:inherit;font-size:14.5px;font-weight:600;cursor:pointer;
  background:var(--card);color:var(--muted);
  border:1px solid var(--line);border-radius:100px;padding:7px 16px;
}
.filters button:hover{border-color:var(--green);color:var(--green-dk)}
.filters button[aria-pressed="true"]{background:var(--green);border-color:var(--green);color:#fff}

.book-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));
  gap:clamp(18px,2.6vw,30px);list-style:none;margin:0;padding:0;
}
.book{display:flex;flex-direction:column}
.book.is-hidden{display:none}
.book-cover{
  display:block;position:relative;border-radius:6px;overflow:hidden;
  background:var(--paper-2);
  box-shadow:0 1px 2px rgba(37,51,43,.10),0 10px 24px -12px rgba(37,51,43,.28);
}
.book-cover img{width:100%;display:block;aspect-ratio:8.5/11.25;object-fit:cover}
.book[data-kind="picture"] .book-cover img{aspect-ratio:8.5/8.75}
.book-body{padding-top:13px;display:flex;flex-direction:column;flex:1}
.book h2,.book h3{
  font-family:var(--serif);font-weight:600;
  font-size:17px;line-height:1.25;margin:0 0 4px;
}
.book .meta{font-size:13.5px;color:var(--muted);margin:0 0 12px}
.book .buy{margin-top:auto}

.buy-btn{
  display:block;text-align:center;text-decoration:none;
  background:var(--amazon);color:#1B1B1B;font-weight:700;font-size:14.5px;
  padding:10px 12px;border-radius:8px;border:1px solid var(--amazon-dk);
}
.buy-btn:hover{background:var(--amazon-dk);color:#1B1B1B}
.buy-soon{
  display:block;text-align:center;font-weight:700;font-size:14.5px;
  padding:10px 12px;border-radius:8px;
  background:var(--paper-2);color:var(--muted);border:1px dashed var(--line);
}
.badge-soon{
  position:absolute;top:10px;left:10px;
  font-size:11px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
  background:var(--blue);color:#fff;padding:5px 11px;border-radius:100px;
  box-shadow:0 2px 8px rgba(37,51,43,.28);
}
.no-results{display:none;padding:40px 0;color:var(--muted)}
.no-results.is-shown{display:block}

/* ---------------------------------------------------------------- prose */
.prose h2{margin-top:1.7em}
.prose h2:first-child{margin-top:0}
.prose h3{margin-top:1.5em;color:var(--green-dk)}
.prose ul{padding-left:22px}
.prose li{margin-bottom:.45em}
.prose .note{
  background:var(--green-lt);border:1px solid #D3E0C9;
  border-radius:var(--radius);padding:18px 22px;margin:26px 0;
}
.prose .note p:last-child{margin-bottom:0}
.prose .note strong{color:var(--green-dk)}

/* ---------------------------------------------------------------- forms */
.form-field{margin-bottom:16px}
.form-field label{display:block;font-weight:600;font-size:15px;margin-bottom:5px}
.form-field input,.form-field textarea{
  font:inherit;width:100%;padding:11px 13px;border-radius:9px;
  border:1px solid var(--line);background:var(--card);color:var(--ink);
}
.form-field input:focus,.form-field textarea:focus{border-color:var(--green);outline-offset:0}
.form-field textarea{min-height:150px;resize:vertical}

/* ---------------------------------------------------------------- footer */
.site-foot{
  background:var(--green-dk);color:#DCE7D6;
  padding:clamp(36px,5vw,52px) 0 30px;margin-top:clamp(48px,7vw,88px);
  font-size:14.5px;
}
.site-foot a{color:#fff;text-decoration:none}
.site-foot a:hover{text-decoration:underline;color:#fff}
.foot-top{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;
  padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.16);
}
@media(max-width:700px){.foot-top{grid-template-columns:1fr;gap:24px}}
.foot-top h4{
  font-family:var(--sans);font-size:12px;letter-spacing:.13em;text-transform:uppercase;
  color:#9FBA96;margin:0 0 12px;font-weight:700;
}
.foot-top ul{list-style:none;margin:0;padding:0}
.foot-top li{margin-bottom:7px}
.foot-top p{color:#C2D4BB;margin-bottom:0}
.foot-brand b{font-family:var(--serif);font-size:19px;color:#fff;display:block;margin-bottom:8px}
.foot-bottom{
  padding-top:22px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  color:#A8C0A0;font-size:13.5px;
}
.disclosure{max-width:62ch}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* ---------------------------------------------------------------- sections */
.kicker{
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--green);margin:0 0 8px;
}
.band-tight{padding-bottom:clamp(28px,4vw,44px)}
.band-green{background:var(--green-dk);color:#E4EDDF;border-block:none}
.band-green h2{color:#fff}
.band-green .band-head{max-width:620px;margin-left:auto;margin-right:auto}
.band-green p{color:#C9DCC1}
.btn-cream{background:var(--paper);color:var(--green-dk);margin-top:10px}
.btn-cream:hover{background:#fff;color:var(--green-dk)}
.band-more{margin:26px 0 0;font-weight:600}

.split{display:grid;grid-template-columns:1fr 340px;gap:clamp(28px,5vw,64px);align-items:center}
.split-wide{grid-template-columns:1fr 400px;align-items:start}
@media(max-width:820px){
  .split,.split-wide{grid-template-columns:1fr}
  .split-art{max-width:300px;margin:0 auto;order:-1}
}
.split-art .book-cover{display:block}
.sample-hero{
  border-radius:8px;border:1px solid var(--line);background:#fff;
  box-shadow:0 1px 2px rgba(37,51,43,.08),0 14px 30px -14px rgba(37,51,43,.26);
}

.book-grid-compact{margin-top:clamp(28px,4vw,42px)}

/* ---------------------------------------------------------------- printables */
.ticks{list-style:none;margin:0 0 30px;padding:0}
.ticks li{position:relative;padding-left:30px;margin-bottom:9px}
.ticks li::before{
  content:"";position:absolute;left:4px;top:.62em;width:9px;height:5px;
  border-left:2.5px solid var(--green);border-bottom:2.5px solid var(--green);
  transform:rotate(-45deg);
}
.signup{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(20px,3vw,30px);
}
.signup h2{font-size:22px;margin-bottom:.6em}
.signup-form{margin-bottom:14px}
.form-consent{display:flex;gap:10px;align-items:flex-start;margin-bottom:18px}
.form-consent input{margin-top:5px;width:18px;height:18px;flex:none;accent-color:var(--green)}
.form-consent label{font-size:14.5px;line-height:1.5;color:#3F5147}
.fineprint{font-size:13.5px;color:var(--muted);margin:0}

.sample-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));
  gap:clamp(16px,2.4vw,26px);list-style:none;margin:0;padding:0;
}
.sample img{
  width:100%;border-radius:6px;border:1px solid var(--line);background:#fff;
  box-shadow:0 1px 2px rgba(37,51,43,.08),0 8px 18px -12px rgba(37,51,43,.24);
}
.sample p{font-size:13px;color:var(--muted);margin:9px 0 0;line-height:1.4}

/* A section whose grid is emptied by a filter hides itself rather than sitting blank. */
.band.is-empty{display:none}

/* Section titles on the books page: the format is the primary division, so these outrank
   the page h1 visually even though they sit under it in the outline. */
.section-title{
  font-size:clamp(30px,4.4vw,44px);
  margin-bottom:.35em;
}
.band-head .section-title + .lede{max-width:56ch}

/* Below ~700px five nav items wrap to three rows and the sticky header swallows a fifth
   of the screen. Keep them on one scrollable line instead. */
@media(max-width:700px){
  .site-head .wrap{gap:10px}
  .site-nav{
    flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;
    -webkit-overflow-scrolling:touch;margin-right:calc(var(--gut) * -1);
    padding-right:var(--gut);
  }
  .site-nav::-webkit-scrollbar{display:none}
  .site-nav a{white-space:nowrap;font-size:14px;padding:7px 10px}
}

/* A picture-book spread is 2:1, so it gets the full column rather than the portrait slot
   a cover would sit in. */
.spread-figure{margin:0}
.spread-figure .spread{
  width:100%;border-radius:8px;
  box-shadow:0 1px 2px rgba(37,51,43,.10),0 16px 36px -16px rgba(37,51,43,.34);
}
.spread-figure figcaption{
  font-size:13.5px;color:var(--muted);margin-top:12px;text-align:center;
}

/* ------------------------------------------------ cover fades to the page inside
   Hovering a coloring book fades its cover out over a page from inside it. A 3D page-turn
   was tried here first: at card size the perspective is too shallow to read as a cover
   opening, so it just looked like the cover being squashed sideways. */
.book-cover.has-peek .peek{position:absolute;inset:0;height:100%}
.book-cover.has-peek .cover{
  position:relative;
  transition:opacity .35s ease;
}
.book-cover.has-peek:hover .cover,
.book:focus-within .book-cover.has-peek .cover{opacity:0}

@media(hover:none){
  /* No hover on touch, so the cover never fades and the peek would just sit behind it. */
  .book-cover.has-peek .peek{display:none}
}

@media(prefers-reduced-motion:reduce){
  /* An opacity fade is not the kind of motion this setting is about, so keep it rather
     than letting the global transition reset snap the cover away. */
  .book-cover.has-peek .cover{transition:opacity .35s ease!important}
}