/* Chapter Book Mug landing page (/5/): laid out like a book — paper background, terracotta + spine blue,
   Merriweather serif chapters, polaroid/page-style photos, gift-tag price cards on a dark "bookshelf" */
:root{--ink:#3a2a1e;--ink-2:#5a4636;--muted:#7a6552;--rust:#c4511f;--rust-dk:#a8431a;--blue:#2c5d7c;--paper:#f7f1e6;--paper-2:#efe5d4;--cream:#fffdf8;--line:#e6d9c4;--r:6px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Lato,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--cream);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--rust)}
h1,h2,h3{font-family:Merriweather,Georgia,serif;color:var(--ink);line-height:1.2;margin:0 0 .5em;font-weight:900}
h1{font-size:clamp(2.2rem,4.6vw,3.5rem)}
h1 em{color:var(--rust);font-weight:700}
h2{font-size:clamp(1.7rem,3.2vw,2.4rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em}
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
.narrow{max-width:820px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:700 1rem/1 Merriweather,Georgia,serif;text-decoration:none;border-radius:8px;padding:15px 26px;border:0;cursor:pointer;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn-rust{background:var(--rust);color:#fff;box-shadow:0 10px 22px -12px rgba(196,81,31,.9)}
.btn-rust:hover{background:var(--rust-dk)}
.btn-ink{background:var(--ink);color:#fff}
.btn-lg{padding:18px 30px;font-size:1.05rem}
.btn-sm{padding:10px 18px;font-size:.88rem}
.btn-block{display:flex;width:100%}

/* ribbon + header */
.ribbon-bar{background:var(--rust);color:#fff;text-align:center;font-weight:700;font-size:.9rem;padding:9px 16px}
.top{background:var(--cream);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:66px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:#1d3557;font:900 1.25rem Merriweather,serif;line-height:1}
.logo b{color:#e63946}
.logo small{display:block;font:italic 400 .75rem Merriweather,serif;color:var(--muted);margin-top:3px}

/* cover (hero) */
.cover{background:var(--paper) radial-gradient(rgba(58,42,30,.04) 1px,transparent 1px) 0 0/6px 6px;padding:46px 0 56px}
.cover-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:52px;align-items:center}
.frame{background:#fff;padding:14px;border-radius:4px;box-shadow:0 18px 40px rgba(58,42,30,.18);transform:rotate(-1.2deg)}
.g-main{position:relative;aspect-ratio:1;overflow:hidden;background:#fffaf2}
.g-main img{width:100%;height:100%;object-fit:cover}
.g-arrow{position:absolute;top:50%;transform:translateY(-50%);width:40px;height:40px;border-radius:50%;border:0;background:rgba(255,253,248,.92);color:var(--ink);font-size:1.5rem;line-height:1;cursor:pointer;box-shadow:0 4px 12px rgba(0,0,0,.15)}
.g-arrow.prev{left:10px}.g-arrow.next{right:10px}
.g-thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:22px}
.g-thumbs button{padding:3px;border:0;background:#fff;border-radius:3px;cursor:pointer;box-shadow:0 3px 8px rgba(58,42,30,.12);aspect-ratio:1;opacity:.75;transition:opacity .15s,transform .15s}
.g-thumbs button:hover{opacity:1}
.g-thumbs button.on{opacity:1;outline:2px solid var(--rust);transform:translateY(-2px)}
.g-thumbs img{width:100%;height:100%;object-fit:cover}
.overline{font:italic 700 1rem Merriweather,serif;color:var(--rust);margin-bottom:10px}
.lead{font-size:1.08rem;color:var(--ink-2)}
.facts{list-style:none;padding:0;margin:20px 0 26px;display:flex;gap:12px;flex-wrap:wrap}
.facts li{border:1px solid var(--line);background:var(--cream);border-radius:6px;padding:10px 16px;text-align:center;min-width:96px}
.facts b{display:block;font:900 1.2rem Merriweather,serif;color:var(--blue)}
.facts span{font-size:.82rem;color:var(--muted)}
.cover-buy{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.cover-buy p{margin:0;color:var(--muted);font-style:italic;font-family:Merriweather,serif}
.cover-buy b{color:var(--ink);font-style:normal;font-size:1.25rem}
.assure{margin:18px 0 0;font-size:.86rem;color:var(--muted)}

/* table of contents */
.toc{background:var(--ink);color:#e9dccb;padding:14px 0}
.toc .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:8px 26px}
.toc-title{font:900 .8rem Lato,sans-serif;letter-spacing:.2em;text-transform:uppercase;color:#f3b98f}
.toc a{color:#e9dccb;text-decoration:none;font-family:Merriweather,serif;font-size:.92rem}
.toc a:hover{color:#fff}
.toc i{color:#f3b98f;margin-right:4px}

/* chapters */
.sec{padding:78px 0}
.sec.paper{background:var(--paper)}
.chapter{display:inline-block;font:italic 700 .95rem Merriweather,serif;color:var(--rust);margin-bottom:8px;padding-bottom:6px;border-bottom:2px solid var(--rust)}
.chapter.light{color:#f3b98f;border-color:#f3b98f}
.head{text-align:center;max-width:680px;margin:0 auto 40px}
.head p{color:var(--muted)}
.head.light h2{color:#fff}.head.light p{color:#d9c7b2}.head.light .chapter{color:#f3b98f;border-color:#f3b98f}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split p{color:var(--ink-2)}
.page{background:#fff;padding:10px;border-radius:3px;box-shadow:0 14px 34px rgba(58,42,30,.14)}
.badges{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
.badges div{display:flex;align-items:center;gap:10px;background:var(--paper);border-radius:6px;padding:12px 14px}
.badges span{font-size:1.3rem}
.badges b{font-size:.92rem}
.quote{margin:0;background:var(--paper-2);padding:44px 0;text-align:center;font:italic 400 clamp(1.2rem,2.4vw,1.6rem)/1.5 Merriweather,serif;color:var(--ink-2)}
.ticks{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:8px}
.ticks li{position:relative;padding-left:30px}
.ticks li::before{content:"✔";position:absolute;left:0;color:var(--rust);font-weight:900}
.duo{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.duo .tilt{margin-top:46px;transform:rotate(2deg)}
.vs{width:100%;border-collapse:collapse;background:#fff;border-radius:6px;overflow:hidden;box-shadow:0 0 0 1px var(--line)}
.vs th,.vs td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:.93rem}
.vs th{font:900 .78rem Lato,sans-serif;letter-spacing:.08em;text-transform:uppercase;background:var(--paper-2)}
.vs th:nth-child(2){background:var(--rust);color:#fff}
.vs td:first-child{font-weight:700}
.vs td.yes{color:var(--blue);font-weight:700;background:#f4f8fb}
.vs td:last-child{color:var(--muted)}
.gifts{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.gifts div{background:var(--paper);border:1px dashed #d9c4a8;border-radius:8px;padding:22px 18px;text-align:center;font-size:2rem}
.gifts b{display:block;font:900 1.05rem Merriweather,serif;margin:8px 0 4px}
.gifts span{display:block;font-size:.9rem;color:var(--muted)}

/* bookshelf pricing with gift-tag cards */
.shelf{background:linear-gradient(180deg,#3a2a1e 0%,#2b1f16 100%);position:relative}
.shelf::after{content:"";position:absolute;left:0;right:0;bottom:0;height:14px;background:#5a3e28;box-shadow:0 -4px 0 #6d4b31}
.prices{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;align-items:stretch}
.tag-card{position:relative;background:var(--cream);border-radius:10px 10px 10px 10px;padding:22px 18px 20px;text-align:center;display:flex;flex-direction:column;clip-path:polygon(14% 0,86% 0,100% 7%,100% 100%,0 100%,0 7%)}
.tag-card::before{content:"";position:absolute;top:12px;left:50%;width:12px;height:12px;margin-left:-6px;border-radius:50%;background:#2b1f16;box-shadow:inset 0 0 0 2px #c9b8a3}
.tag-card.featured{background:#fff3e6;outline:3px solid var(--rust);outline-offset:-3px}
.flag{display:inline-block;align-self:center;margin:14px 0 0;background:var(--rust);color:#fff;font:900 .72rem Lato,sans-serif;letter-spacing:.1em;text-transform:uppercase;padding:4px 10px;border-radius:3px}
.t-img{position:relative;margin:18px auto 12px;width:70%}
.t-img img{aspect-ratio:1;object-fit:contain}
.t-img .x{position:absolute;right:-6px;bottom:4px;background:var(--blue);color:#fff;font:900 .95rem Merriweather,serif;padding:3px 9px;border-radius:4px}
/* multi-pack pictures: one mug per item in the set, lined up like a little shelf */
.stack{display:flex;justify-content:center;align-items:flex-end}
.stack img{flex:0 0 auto;width:var(--sw);height:var(--sw);max-width:none;object-fit:contain;margin-left:calc(var(--sw) * -.42);mix-blend-mode:multiply}
.stack img:first-child{margin-left:0}
.stack img:nth-child(even){transform:translateY(-6px)}
.stack.n1{--sw:140px}.stack.n2{--sw:112px}.stack.n3{--sw:96px}.stack.n4{--sw:84px}.stack.n5{--sw:76px}
.t-img.stack{width:100%;height:140px;margin:18px auto 12px}
.tag-card h3{margin:0 0 4px;font-size:1.1rem}
.qty{margin:0 0 10px;color:var(--muted);font-size:.86rem}
.price{margin:0 0 4px;font:900 2rem/1.1 Merriweather,serif;color:var(--ink);flex:1;display:flex;align-items:flex-end;justify-content:center;gap:8px}
.price s{font-size:1rem;font-weight:400;color:#a99583}
.per{margin:0 0 16px;font-size:.84rem;color:#2c7a4b;font-weight:700}
.pay-row{display:flex;justify-content:center;margin-top:34px;position:relative;z-index:1}
.pay-icons{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0;align-items:center}
.pay-icons svg{width:46px;height:30px;display:block;border-radius:5px}
.pay-icons .ssl{display:flex;align-items:center;gap:5px;color:#f3b98f;font-weight:800;font-size:.8rem;line-height:1}
.pay-icons .ssl svg{width:18px;height:18px}
.pay-icons .ssl small{display:block;font-size:.6rem;letter-spacing:.08em}

/* appendix, guarantee, faq */
.specs{width:100%;border-collapse:collapse}
.specs th,.specs td{padding:14px 4px;text-align:left;border-bottom:1px dotted #c9b59b;vertical-align:top}
.specs th{width:30%;font-family:Merriweather,serif;font-weight:700}
.specs td{color:var(--ink-2)}
.guarantee{display:flex;gap:32px;align-items:center;background:var(--cream);border-radius:8px;padding:34px;box-shadow:0 0 0 1px var(--line),8px 8px 0 var(--paper-2)}
.seal{flex:0 0 118px;height:118px;border-radius:50%;background:var(--rust);color:#fff;display:grid;place-content:center;text-align:center;line-height:1;border:3px dashed #f3b98f;box-shadow:0 0 0 5px var(--rust)}
.seal b{font:900 2.4rem Merriweather,serif}
.seal span{font-weight:900;letter-spacing:.2em;font-size:.78rem}
.seal small{font-weight:900;font-size:.5rem;letter-spacing:.14em;margin-top:3px}
.guarantee p{margin:0;color:var(--ink-2)}
.faq details{border-bottom:1px dotted #c9b59b}
.faq summary{cursor:pointer;list-style:none;padding:18px 0;font:700 1.02rem Merriweather,serif;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:900 1.4rem Merriweather,serif;color:var(--rust);line-height:1}
.faq details[open] summary::after{content:"−"}
.faq details p{color:var(--ink-2);margin:0 0 18px}

/* epilogue + footer */
.epilogue{background:var(--blue);color:#d8e6ef;padding:50px 0}
.epi-in{display:flex;align-items:center;gap:40px;justify-content:center}
.epilogue img{width:200px;background:#fffaf2;border-radius:50%;padding:12px}
.epilogue h2{color:#fff}
.epilogue p{color:#cfe0eb}
.foot{background:var(--ink);color:#c9b8a3;padding:40px 0 100px;font-size:.9rem;text-align:center}
.foot a{color:#f3b98f}
.f-links{list-style:none;padding:0;margin:0 0 16px;display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:center}
.note{font-size:.78rem;color:#a08c76;max-width:760px;margin:10px auto 0}

/* sticky mobile buy bar */
.sticky-buy{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;background:var(--cream);border-top:2px solid var(--rust);box-shadow:0 -6px 20px rgba(58,42,30,.15);transform:translateY(110%);transition:transform .25s}
.sticky-buy.on{transform:none}
.sticky-buy span{font-size:.9rem}

@media (min-width:901px){.sticky-buy{display:none}}
@media (max-width:1000px){.prices{grid-template-columns:1fr 1fr}.gifts{grid-template-columns:1fr 1fr}}
@media (max-width:900px){
  .cover-grid,.split{grid-template-columns:1fr;gap:34px}
  .cover{padding:28px 0 44px}
  .frame{transform:none}
  .split.rev>.duo{order:-1}
  .sec{padding:56px 0}
}
@media (max-width:560px){
  .wrap{padding:0 16px}
  .top-in{min-height:58px}
  .logo{font-size:1.05rem}
  .toc .wrap{gap:6px 16px}
  .toc a{font-size:.82rem}
  .badges{grid-template-columns:1fr}
  .duo{grid-template-columns:1fr 1fr;gap:10px}
  .duo .tilt{margin-top:24px}
  .vs th,.vs td{padding:9px 8px;font-size:.82rem}
  .gifts{grid-template-columns:1fr 1fr;gap:10px}
  .gifts div{padding:16px 10px}
  .prices{grid-template-columns:1fr;max-width:380px;margin:0 auto}
  .guarantee{flex-direction:column;text-align:center;padding:26px 20px}
  .epi-in{flex-direction:column;text-align:center;gap:20px}
  .epilogue img{width:150px}
}
/* ==== bigger product photos ==== */
@media (min-width:901px){.wrap{max-width:1280px}.cover-grid{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr)}}
.stack.n1{--sw:185px}.stack.n2{--sw:150px}.stack.n3{--sw:128px}.stack.n4{--sw:112px}.stack.n5{--sw:100px}.t-img.stack{height:185px}