/* ==========================================================================
   My Young Learners — Spence Heritage Press
   Shared stylesheet: landing page + sales lander
   Palette: navy #16293F · terracotta #D06E2C · cream #F7EFDF
   ========================================================================== */

:root{
  --navy:#16293F;
  --navy-70:rgba(22,41,63,.70);
  --navy-45:rgba(22,41,63,.45);
  --navy-lift:#22405F;
  --terra:#D06E2C;
  --terra-dk:#A9531B;
  --gold:#C9922F;
  --cream:#F7EFDF;
  --cream-lift:#FDF8EE;
  --rule:#E5D5B8;
  --white:#FFFFFF;

  --shell:min(1180px, 92vw);
  --r-sm:6px;
  --r-md:14px;
  --r-lg:22px;

  --shadow-cover:0 12px 30px rgba(22,41,63,.16), 0 2px 6px rgba(22,41,63,.10);
  --shadow-card:0 2px 14px rgba(22,41,63,.07);
}

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

html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

body{
  margin:0;
  background:var(--cream);
  color:var(--navy);
  font-family:'Poppins',system-ui,-apple-system,'Segoe UI',sans-serif;
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,.display{
  font-family:'Playfair Display',Georgia,'Times New Roman',serif;
  font-weight:700;
  line-height:1.08;
  letter-spacing:-.012em;
  margin:0;
}

p{margin:0 0 1em}
p:last-child{margin-bottom:0}
img{max-width:100%;display:block}

a{color:var(--terra-dk);text-underline-offset:3px}
a:hover{color:var(--terra)}

:focus-visible{
  outline:3px solid var(--terra);
  outline-offset:3px;
  border-radius:3px;
}

.shell{width:var(--shell);margin-inline:auto}

.eyebrow{
  font-size:.70rem;
  font-weight:600;
  letter-spacing:.19em;
  text-transform:uppercase;
  color:var(--terra-dk);
  margin:0 0 .9rem;
}
.eyebrow--onNavy{color:var(--gold)}

.skip{
  position:absolute;left:-9999px;top:0;
  background:var(--navy);color:var(--cream);
  padding:.7rem 1.1rem;z-index:200;border-radius:0 0 var(--r-sm) 0;
}
.skip:focus{left:0}

/* ---------- Buttons ---------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:'Poppins',sans-serif;
  font-size:.95rem;font-weight:600;line-height:1;
  padding:1rem 1.6rem;
  border-radius:999px;
  border:2px solid transparent;
  text-decoration:none;
  cursor:pointer;
  transition:transform .15s ease, background-color .15s ease, color .15s ease;
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--terra);color:#fff;border-color:var(--terra)}
.btn--primary:hover{background:var(--terra-dk);border-color:var(--terra-dk);color:#fff}
.btn--ghost{background:transparent;color:var(--navy);border-color:rgba(22,41,63,.28)}
.btn--ghost:hover{background:var(--navy);color:var(--cream);border-color:var(--navy)}
.btn--onNavy{background:transparent;color:var(--cream);border-color:rgba(247,239,223,.45)}
.btn--onNavy:hover{background:var(--cream);color:var(--navy);border-color:var(--cream)}
.btn--lg{font-size:1.05rem;padding:1.15rem 2.2rem}
.btn--block{width:100%}

/* ---------- Header ----------------------------------------------------- */
.masthead{
  position:sticky;top:0;z-index:100;
  background:rgba(247,239,223,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--rule);
}
.masthead__inner{
  display:flex;align-items:center;gap:1.5rem;
  padding:.85rem 0;
}
.brandmark{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--navy);margin-right:auto}
.brandmark img{width:38px;height:38px;object-fit:contain}
.brandmark b{font-family:'Playfair Display',serif;font-size:1.18rem;display:block;line-height:1.1}
.brandmark span{font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--navy-45)}

.mainnav{display:flex;gap:1.6rem;align-items:center}
.mainnav a{
  color:var(--navy);text-decoration:none;
  font-size:.88rem;font-weight:500;
  padding-bottom:2px;border-bottom:2px solid transparent;
}
.mainnav a:hover{border-bottom-color:var(--terra);color:var(--navy)}
@media (max-width:900px){.mainnav{display:none}}

/* ---------- Hero ------------------------------------------------------- */
.hero{
  background:var(--navy);
  color:var(--cream);
  padding:clamp(3.5rem,7vw,6rem) 0 clamp(3rem,5vw,4.5rem);
  position:relative;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:5px;
  background:linear-gradient(90deg,var(--terra) 0 55%,var(--gold) 55% 100%);
}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
@media (max-width:900px){.hero__grid{grid-template-columns:1fr;gap:2.5rem}}

.hero h1{
  font-size:clamp(2.5rem,5.6vw,4rem);
  color:var(--cream);
  margin-bottom:1.2rem;
}
.hero h1 em{font-style:italic;color:var(--gold)}
.hero__lede{font-size:clamp(1.02rem,1.5vw,1.16rem);color:rgba(247,239,223,.84);max-width:34em;margin-bottom:2rem}
.hero__actions{display:flex;flex-wrap:wrap;gap:.8rem}

/* Cover fan in hero */
.fan{display:flex;justify-content:center;align-items:flex-end;padding-block:1rem}
.fan img{
  width:31%;
  border-radius:var(--r-sm);
  box-shadow:0 18px 40px rgba(0,0,0,.42);
  transition:transform .3s ease;
}
.fan img:nth-child(1){transform:rotate(-7deg) translateY(10px)}
.fan img:nth-child(2){transform:scale(1.14);z-index:2;position:relative}
.fan img:nth-child(3){transform:rotate(7deg) translateY(10px)}
.fan:hover img:nth-child(1){transform:rotate(-11deg) translateY(4px)}
.fan:hover img:nth-child(3){transform:rotate(11deg) translateY(4px)}

/* ---------- Age picker (signature element) ----------------------------- */
.picker{
  background:var(--cream-lift);
  border-bottom:1px solid var(--rule);
  padding:2.4rem 0;
}
.picker__head{display:flex;flex-wrap:wrap;align-items:baseline;gap:.4rem 1rem;margin-bottom:1.2rem}
.picker__head h2{font-size:clamp(1.4rem,2.4vw,1.8rem)}
.picker__hint{font-size:.86rem;color:var(--navy-45);margin:0}

.chips{display:flex;flex-wrap:wrap;gap:.5rem;padding:0;margin:0;list-style:none}
.chip{
  font-family:'Poppins',sans-serif;
  font-size:.94rem;font-weight:600;
  min-width:3.1rem;
  padding:.6rem .95rem;
  border-radius:999px;
  border:2px solid rgba(22,41,63,.16);
  background:var(--white);
  color:var(--navy);
  cursor:pointer;
  transition:all .15s ease;
}
.chip:hover{border-color:var(--terra);color:var(--terra-dk)}
.chip[aria-pressed="true"]{background:var(--navy);border-color:var(--navy);color:var(--cream)}
.chip--all{min-width:auto}

/* ---------- Shelves ---------------------------------------------------- */
.shelves{padding:clamp(3rem,5vw,4.5rem) 0}

.shelf{
  border-top:1px solid var(--rule);
  padding:clamp(2.2rem,4vw,3.2rem) 0;
}
.shelf:first-of-type{border-top:0;padding-top:0}
.shelf[hidden]{display:none}

.shelf__head{
  display:grid;grid-template-columns:1fr 320px;gap:2rem;align-items:start;
  margin-bottom:2rem;
}
@media (max-width:820px){.shelf__head{grid-template-columns:1fr;gap:1.4rem}}

.shelf__title{font-size:clamp(1.75rem,3.2vw,2.35rem);margin-bottom:.55rem}
.shelf__meta{
  font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--navy-45);font-weight:600;margin-bottom:.9rem;
}
.shelf__meta b{color:var(--terra-dk);font-weight:600}
.shelf__blurb{color:var(--navy-70);max-width:52ch}

/* age band: the shared 4-to-12 track */
.band{background:var(--white);border:1px solid var(--rule);border-radius:var(--r-md);padding:1.1rem 1.2rem}
.band__label{font-size:.68rem;letter-spacing:.15em;text-transform:uppercase;color:var(--navy-45);margin:0 0 .7rem;font-weight:600}
.band__track{position:relative;height:10px;background:rgba(22,41,63,.09);border-radius:999px}
.band__fill{
  position:absolute;top:0;bottom:0;
  background:var(--terra);border-radius:999px;
  left:calc((var(--from) - 4) / 9 * 100%);
  width:calc((var(--to) - var(--from) + 1) / 9 * 100%);
}
.band__ticks{position:relative;height:1.1rem;margin-top:.5rem;font-size:.72rem;color:var(--navy-45);font-variant-numeric:tabular-nums}
.band__ticks span{position:absolute;transform:translateX(-50%)}
.band__ticks span:nth-child(1){left:5.56%}
.band__ticks span:nth-child(2){left:27.78%}
.band__ticks span:nth-child(3){left:50%}
.band__ticks span:nth-child(4){left:72.22%}
.band__ticks span:nth-child(5){left:94.44%}

/* book grid */
.books{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(168px,1fr));
  gap:clamp(1.1rem,2.2vw,1.9rem);
  list-style:none;padding:0;margin:0;
}
.books--wide{grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}

.book{display:flex;flex-direction:column}
.book__frame{
  aspect-ratio:3/4;
  background:var(--cream-lift);
  border:1px solid var(--rule);
  border-radius:var(--r-sm);
  overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease, box-shadow .2s ease;
}
.book__frame img{width:100%;height:100%;object-fit:contain}
.book:hover .book__frame{transform:translateY(-4px);box-shadow:var(--shadow-cover)}

.book__no{
  font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--terra-dk);font-weight:600;margin:.85rem 0 .2rem;
}
.book__name{font-family:'Playfair Display',serif;font-size:1.02rem;font-weight:700;line-height:1.25;margin:0 0 .25rem}
.book__sub{font-size:.83rem;color:var(--navy-45);margin:0 0 .4rem;line-height:1.45}
.book__price{font-size:.9rem;font-weight:600;color:var(--navy);margin:auto 0 0;padding-top:.4rem}
.book__price small{font-weight:400;color:var(--navy-45)}

.shelf__cta{margin-top:1.9rem;display:flex;flex-wrap:wrap;gap:.8rem;align-items:center}

/* two-up feature (single-title series) */
.feature{display:grid;grid-template-columns:300px 1fr;gap:clamp(1.6rem,4vw,3rem);align-items:center}
@media (max-width:760px){.feature{grid-template-columns:1fr}}
.feature__cover img{width:100%;border-radius:var(--r-sm);box-shadow:var(--shadow-cover)}

/* ---------- Value band ------------------------------------------------- */
.values{background:var(--white);border-block:1px solid var(--rule);padding:clamp(3rem,5vw,4.5rem) 0}
.values__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1.5rem,3vw,2.8rem);margin-top:2rem}
@media (max-width:820px){.values__grid{grid-template-columns:1fr}}
.value h3{font-size:1.2rem;margin-bottom:.6rem}
.value p{font-size:.95rem;color:var(--navy-70)}
.value__rule{width:44px;height:3px;background:var(--terra);margin-bottom:1rem;border-radius:2px}

/* ---------- Author ----------------------------------------------------- */
.author{padding:clamp(3rem,5vw,4.5rem) 0}
.author__inner{max-width:62ch;margin-inline:auto;text-align:center}
.author h2{font-size:clamp(1.7rem,3vw,2.2rem);margin-bottom:1rem}
.author p{color:var(--navy-70)}

/* ---------- Schools strip ---------------------------------------------- */
.schools{background:var(--navy);color:var(--cream);padding:clamp(3rem,5vw,4rem) 0}
.schools__grid{display:grid;grid-template-columns:1.3fr 1fr;gap:2.5rem;align-items:center}
@media (max-width:820px){.schools__grid{grid-template-columns:1fr}}
.schools h2{color:var(--cream);font-size:clamp(1.7rem,3vw,2.2rem);margin-bottom:.9rem}
.schools p{color:rgba(247,239,223,.82)}
.schools__list{list-style:none;padding:0;margin:0;display:grid;gap:.55rem}
.schools__list li{font-size:.94rem;color:rgba(247,239,223,.9);padding-left:1.5rem;position:relative}
.schools__list li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;background:var(--gold);border-radius:2px}

/* ---------- Footer ----------------------------------------------------- */
.foot{background:var(--cream-lift);border-top:1px solid var(--rule);padding:3rem 0 2rem;font-size:.9rem}
.foot__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem}
@media (max-width:820px){.foot__grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot__grid{grid-template-columns:1fr}}
.foot h4{font-family:'Poppins',sans-serif;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--navy-45);margin:0 0 .9rem;font-weight:600}
.foot ul{list-style:none;padding:0;margin:0;display:grid;gap:.5rem}
.foot a{color:var(--navy);text-decoration:none}
.foot a:hover{color:var(--terra-dk);text-decoration:underline}
.foot__legal{margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid var(--rule);font-size:.76rem;color:var(--navy-45);line-height:1.6}

/* ==========================================================================
   Sales lander only
   ========================================================================== */
.lander-top{background:var(--navy);color:var(--cream);padding:1rem 0;border-bottom:4px solid var(--terra)}
.lander-top__inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.lander-top .brandmark{color:var(--cream);margin-right:0}
.lander-top .brandmark span{color:rgba(247,239,223,.6)}

.offer{padding:clamp(3rem,6vw,5rem) 0}
.offer__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
@media (max-width:880px){.offer__grid{grid-template-columns:1fr}}
.offer h1{font-size:clamp(2.2rem,4.6vw,3.4rem);margin-bottom:1.1rem}
.offer h1 em{font-style:italic;color:var(--terra-dk)}
.offer__lede{font-size:1.1rem;color:var(--navy-70);margin-bottom:1.8rem}

.pricebox{background:var(--white);border:2px solid var(--navy);border-radius:var(--r-lg);padding:1.7rem;box-shadow:var(--shadow-card)}
.pricebox__row{display:flex;align-items:baseline;gap:.7rem;flex-wrap:wrap;margin-bottom:.3rem}
.pricebox__now{font-family:'Playfair Display',serif;font-size:3rem;font-weight:700;line-height:1}
.pricebox__was{font-size:1.05rem;color:var(--navy-45);text-decoration:line-through}
.pricebox__save{font-size:.78rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;background:var(--terra);color:#fff;padding:.35rem .7rem;border-radius:999px}
.pricebox__note{font-size:.86rem;color:var(--navy-45);margin:.4rem 0 1.3rem}
.pricebox__alt{font-size:.85rem;color:var(--navy-45);text-align:center;margin-top:.9rem}

.covers5{display:grid;grid-template-columns:repeat(5,1fr);gap:.5rem}
.covers5 img{border-radius:4px;box-shadow:var(--shadow-card);width:100%;aspect-ratio:3/4;object-fit:contain;background:var(--cream-lift)}

.casel{background:var(--white);border-block:1px solid var(--rule);padding:clamp(3rem,5vw,4rem) 0}
.casel table{width:100%;border-collapse:collapse;margin-top:1.6rem;font-size:.95rem}
.casel th{
  text-align:left;font-size:.7rem;letter-spacing:.13em;text-transform:uppercase;
  color:var(--cream);background:var(--navy);padding:.85rem 1rem;font-weight:600;
}
.casel th:last-child,.casel td:last-child{text-align:right}
.casel td{padding:.9rem 1rem;border-bottom:1px solid var(--rule)}
.casel tbody tr:nth-child(odd){background:var(--cream-lift)}
.casel td:first-child{font-weight:600}
@media (max-width:640px){
  .casel thead{display:none}
  .casel tr{display:block;border-bottom:2px solid var(--rule);padding:.8rem 0}
  .casel td{display:flex;justify-content:space-between;border:0;padding:.32rem 0;gap:1rem}
  .casel td::before{content:attr(data-l);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--navy-45);font-weight:600}
  .casel td:last-child{text-align:right}
}

.proof{padding:clamp(3rem,5vw,4rem) 0}
.proof__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.6rem;margin-top:2rem}
@media (max-width:880px){.proof__grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.proof__grid{grid-template-columns:1fr}}
.proofcard{background:var(--white);border:1px solid var(--rule);border-radius:var(--r-md);padding:1.4rem}
.proofcard h3{font-size:1.02rem;margin-bottom:.5rem}
.proofcard p{font-size:.9rem;color:var(--navy-70);margin:0}

.faq{background:var(--cream-lift);border-block:1px solid var(--rule);padding:clamp(3rem,5vw,4rem) 0}
.faq__list{max-width:70ch;margin:1.8rem auto 0}
.faq details{border-bottom:1px solid var(--rule);padding:1rem 0}
.faq summary{
  cursor:pointer;font-weight:600;font-size:1rem;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:1rem;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--terra);line-height:1;flex:none}
.faq details[open] summary::after{content:"\2013"}
.faq details p{margin-top:.8rem;color:var(--navy-70);font-size:.95rem}

.close{background:var(--navy);color:var(--cream);padding:clamp(3rem,5vw,4.5rem) 0;text-align:center}
.close h2{color:var(--cream);font-size:clamp(1.9rem,3.6vw,2.7rem);margin-bottom:1rem}
.close p{color:rgba(247,239,223,.82);max-width:52ch;margin-inline:auto;margin-bottom:2rem}

/* graceful fallback when a cover file is not yet in /assets/images/ */
.book__frame{position:relative}
.book__fallback{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  text-align:center;padding:1rem;font-family:'Playfair Display',serif;
  font-size:.9rem;line-height:1.3;color:var(--navy-45);
  background:repeating-linear-gradient(135deg,var(--cream-lift) 0 10px,#F4EBD9 10px 20px);
}
.book__frame img{position:relative;z-index:1}

/* Amazon buy buttons injected by /assets/js/buy-links.js */
.buylink{
  display:block;margin-top:.6rem;text-align:center;text-decoration:none;
  font-family:'Poppins',sans-serif;font-size:.8rem;font-weight:600;
  padding:.55rem .8rem;border-radius:999px;
  border:1.5px solid rgba(22,41,63,.22);color:var(--navy);
  transition:background-color .15s ease,color .15s ease,border-color .15s ease;
}
.buylink:hover{background:var(--terra);border-color:var(--terra);color:#fff}
.feature__cover .buylink{margin-top:.9rem}

/* Bentley Rogers McGee series roadmap */
.roadmap{list-style:none;padding:0;margin:.8rem 0 0;display:grid;gap:.45rem}
.roadmap li{
  font-size:.9rem;color:var(--navy-70);line-height:1.4;
  padding:.45rem .8rem;background:var(--cream-lift);
  border-left:3px solid var(--gold);border-radius:0 var(--r-sm) var(--r-sm) 0;
}
.roadmap li:first-child{border-left-color:var(--terra);color:var(--navy);font-weight:500}
.roadmap b{font-weight:600;color:var(--navy)}
.roadmap span{display:block;font-size:.76rem;color:var(--navy-45);letter-spacing:.02em}

/* brandmark badge: the logo art sits on its own deep-navy field */
.brandmark img{border-radius:8px;background:#000048}
.lander-top .brandmark img{background:transparent}

/* logo mark sits on its own navy field; round it so it reads as a chip on cream */
.brandmark img{border-radius:8px}