/* Home — semester bundles */
.bundles-sec{padding:96px 0 0}
.bundles{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.bundle{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid #efe5d6;border-radius:22px;overflow:hidden;transition:transform .3s,box-shadow .3s}
.bundle:hover{transform:translateY(-6px);box-shadow:0 26px 50px -26px rgba(11,29,51,.4)}
.bundle.hot{border:2px solid var(--gold)}
.b-flag{position:absolute;top:14px;right:14px;z-index:3;background:var(--gold);color:var(--navy);font-size:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;padding:5px 12px;border-radius:999px}

/* fanned covers */
.b-stack{position:relative;height:210px;background:radial-gradient(circle at 50% 130%,rgba(240,164,58,.45),transparent 60%),linear-gradient(160deg,var(--navy-3),var(--navy));overflow:hidden}
.bs{position:absolute;bottom:-26px;left:50%;width:100px;transform:translateX(calc(-50% + (var(--i) - (var(--n) - 1) / 2) * 62px)) rotate(calc((var(--i) - (var(--n) - 1) / 2) * 7deg));transform-origin:50% 120%;transition:transform .45s cubic-bezier(.2,.8,.2,1);z-index:calc(10 - var(--i))}
.bs .cover{box-shadow:0 14px 26px -10px rgba(0,0,0,.6)}
.bs .cover.gen{padding:10% 9%}
.bs .cover.gen .gen-title,.bs .cover.gen .gen-pub{display:none}
.bs .cover.gen .gen-code{font-size:.85rem}
.bundle:hover .bs{transform:translateX(calc(-50% + (var(--i) - (var(--n) - 1) / 2) * 76px)) rotate(calc((var(--i) - (var(--n) - 1) / 2) * 10deg)) translateY(-14px)}

.b-body{display:flex;flex-direction:column;gap:12px;padding:20px 22px 22px;flex:1}
.b-tag{align-self:flex-start;display:inline-flex;align-items:center;gap:7px;background:var(--gold-soft);color:#b5651d;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:5px 11px;border-radius:999px}
.bundle h3{font-size:1.9rem;color:var(--navy);line-height:1}
.b-list{list-style:none;display:grid;gap:8px;padding:12px 0;border-top:1px dashed #ece2d2;border-bottom:1px dashed #ece2d2}
.b-list li{display:grid;grid-template-columns:18px auto 1fr auto;gap:8px;align-items:baseline;font-size:.86rem}
.b-list i{color:var(--green);font-size:.8rem}
.b-list span{font-weight:700;color:var(--navy);white-space:nowrap}
.b-list small{color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.b-list b{color:var(--navy);font-weight:600;white-space:nowrap}
.b-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}
.b-price small{display:block;color:var(--muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;font-weight:600}
.b-price b{font-family:var(--display);font-weight:400;font-size:2rem;color:var(--navy);line-height:1}
.b-add{padding:12px 18px;font-size:.88rem;white-space:nowrap}
.bundle.hot .b-add{background:var(--gold);border-color:var(--gold);color:var(--navy)}
.bundle.hot .b-add:hover{background:var(--navy);border-color:var(--navy);color:#fff}
.b-note{text-align:center;color:var(--muted);margin-top:26px;font-size:.92rem}
.b-note i{color:var(--gold);margin-right:6px}

@media (max-width:1000px){.bundles{grid-template-columns:1fr 1fr}}
@media (max-width:640px){
  .bundles-sec{padding-top:70px}
  .bundles{grid-template-columns:1fr}
  .b-stack{height:190px}
  .bs{width:88px}
  .b-foot{flex-direction:column;align-items:stretch}
  .b-add{justify-content:center}
}

/* Shop locator */
.city-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:-14px 0 26px}
.city-tabs button{display:inline-flex;align-items:center;gap:8px;border:1.5px solid var(--navy);color:var(--navy);padding:8px 16px;border-radius:999px;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em;transition:.2s}
.city-tabs button i{color:var(--gold)}
.city-tabs button em{font-style:normal;background:var(--gold-soft);border-radius:999px;padding:0 7px;font-size:.7rem}
.city-tabs button.on,.city-tabs button:hover{background:var(--navy);color:#fff}
.city-tabs button.on em{background:var(--gold);color:var(--navy)}
.shops{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.shops .shop{position:relative;display:flex;flex-direction:column;gap:16px;background:#fff;border:1px solid #efe5d6;border-radius:20px;padding:24px;transition:transform .3s,box-shadow .3s,opacity .3s}
.shops .shop:hover{transform:translateY(-5px);box-shadow:0 22px 40px -22px rgba(11,29,51,.35)}
.shops .shop.hide{display:none}
.shops .shop.hq{background:linear-gradient(160deg,var(--navy-3),var(--navy));border-color:var(--navy);color:#fff}
.shop-top{display:flex;align-items:center;gap:14px}
.shop-ic{flex-shrink:0;width:52px;height:52px;border-radius:16px;background:var(--gold-soft);color:#b5651d;display:grid;place-items:center;font-size:1.25rem}
.shops .shop.hq .shop-ic{background:var(--gold);color:var(--navy)}
.shop-city{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:#b5651d}
.shops .shop.hq .shop-city{color:var(--gold)}
.shops .shop h3{font-size:1.45rem;color:var(--navy);line-height:1.05}
.shops .shop.hq h3{color:#fff}
.shop-badge{position:absolute;top:16px;right:16px;background:var(--gold);color:var(--navy);font-size:.62rem;font-weight:800;text-transform:uppercase;letter-spacing:.1em;padding:4px 10px;border-radius:999px}
.shop-info{list-style:none;display:grid;gap:10px;padding:14px 0;border-top:1px dashed #ece2d2;border-bottom:1px dashed #ece2d2;font-size:.92rem;color:var(--ink)}
.shops .shop.hq .shop-info{border-color:rgba(255,255,255,.15);color:#dfe5ee}
.shop-info li{display:flex;gap:10px;align-items:baseline}
.shop-info i{color:var(--gold);width:16px;text-align:center}
.shop-info a{font-weight:700}
.shop-actions{margin-top:auto;display:flex;gap:8px}
.shop-actions .btn{flex:1;padding:12px 16px;font-size:.88rem}
.shops .shop.hq .shop-actions .btn{background:var(--gold);border-color:var(--gold);color:var(--navy)}
.shops .shop.hq .shop-actions .btn:hover{background:#fff;border-color:#fff}
.sa-ic{width:46px;height:46px;flex-shrink:0;border-radius:50%;border:1.5px solid var(--line);display:grid;place-items:center;color:var(--navy);transition:.2s}
.sa-ic:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.sa-ic.wa{background:#25d366;border-color:#25d366;color:#fff}
.sa-ic.wa:hover{background:#1ebe5b}
.shops .shop.hq .sa-ic:not(.wa){border-color:rgba(255,255,255,.3);color:#fff}
@media (max-width:1000px){.shops{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.shops{grid-template-columns:1fr}.city-tabs{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}.city-tabs button{white-space:nowrap}}

/* Book requests */
.req-band{display:grid;grid-template-columns:auto 1fr 1.1fr;gap:26px;align-items:center;background:#fff;border:2px dashed #e6cfa6;border-radius:24px;padding:28px 32px}
.rb-ic{width:72px;height:72px;border-radius:20px;background:var(--gold-soft);color:#b5651d;display:grid;place-items:center;font-size:1.9rem}
.req-band h2{font-size:clamp(1.6rem,3vw,2.3rem);color:var(--navy);line-height:1}
.req-band h2 span{color:var(--gold)}
.req-band p{color:var(--muted);margin-top:6px}
.rb-form{display:flex;background:var(--ivory);border:1.5px solid var(--line);border-radius:999px;padding:6px 6px 6px 20px;gap:8px}
.rb-form:focus-within{border-color:var(--gold)}
.rb-form input{flex:1;min-width:0;border:0!important;background:transparent!important;box-shadow:none!important;padding:10px 0!important}
.rb-form .btn{white-space:nowrap;padding:12px 20px}
.req-empty{display:grid;justify-items:center;gap:10px}
.req-empty>i{font-size:2.6rem}
.req-empty b{color:var(--navy);font-size:1.15rem}
.req-empty p{max-width:420px}
.req-link{display:inline-flex;gap:6px;align-items:center;margin-left:6px;color:#b5651d;font-weight:700}
.req-steps{list-style:none;display:grid;gap:16px;margin:18px 0 22px}
.req-steps li{display:flex;gap:14px;align-items:flex-start}
.req-steps li>i{flex-shrink:0;width:44px;height:44px;border-radius:12px;background:var(--gold-soft);color:#b5651d;display:grid;place-items:center}
.req-steps b{display:block;color:var(--navy)}
.req-steps small{color:var(--muted)}
@media (max-width:900px){.req-band{grid-template-columns:auto 1fr}.rb-form{grid-column:1/-1}}
@media (max-width:560px){.req-band{grid-template-columns:1fr;text-align:center;justify-items:center;padding:24px 18px}.rb-form{width:100%;flex-direction:column;border-radius:18px;padding:8px}.rb-form input{padding:10px 12px!important;text-align:center}.rb-form .btn{justify-content:center}}
/* Request form on home */
.req-home{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center;background:#fff;border:2px dashed #e6cfa6;border-radius:26px;padding:40px 44px}
.req-home .rb-ic{margin-bottom:18px}
.req-home h2{font-size:clamp(2rem,4vw,3rem);color:var(--navy);line-height:1}
.req-home h2 span{color:var(--gold)}
.req-home .rh-left>p{color:var(--muted);margin:12px 0 18px;max-width:420px}
.rh-points{list-style:none;display:grid;gap:10px}
.rh-points li{display:flex;gap:10px;align-items:center;font-weight:600;color:var(--navy)}
.rh-points i{width:24px;height:24px;border-radius:50%;background:#e5f6ec;color:var(--green);display:grid;place-items:center;font-size:.7rem}
.rh-form{display:grid;gap:14px;background:var(--ivory);border:1px solid var(--line);border-radius:20px;padding:24px}
.rh-form .btn{font-family:var(--display);font-weight:400;text-transform:uppercase;letter-spacing:.05em;font-size:1rem}
@media (max-width:900px){.req-home{grid-template-columns:1fr;padding:30px 24px}}
@media (max-width:560px){.req-home{padding:24px 14px}.rh-form{padding:18px 14px}.rh-form .two{grid-template-columns:1fr}}

/* Standing shelf of real spines */
.shelf2{position:relative;padding-top:30px}
.shelf2-row{display:flex;align-items:flex-end;justify-content:center;gap:4px;height:460px;padding:0 20px}
.sp2{position:relative;height:var(--h);aspect-ratio:var(--ar);flex-shrink:0;transition:transform .35s cubic-bezier(.2,.8,.2,1);z-index:1}
.sp2 img{display:block;width:100%;height:100%;object-fit:fill;border-radius:3px 3px 1px 1px;box-shadow:inset 0 0 0 1px rgba(0,0,0,.1),4px 0 8px -4px rgba(0,0,0,.45)}
.sp2::after{content:"";position:absolute;inset:0;border-radius:3px 3px 1px 1px;background:linear-gradient(90deg,rgba(0,0,0,.28),rgba(255,255,255,.14) 30%,transparent 55%,rgba(0,0,0,.22));pointer-events:none}
.sp2 .sp2-lbl{display:none}
.sp2:hover,.sp2:focus-visible{transform:translateY(-26px);z-index:5}
.sp2-tip{position:absolute;bottom:calc(100% + 10px);left:50%;transform:translate(-50%,8px);width:190px;background:var(--navy);color:#fff;border-radius:12px;padding:10px 12px;font-size:.78rem;line-height:1.3;text-align:center;opacity:0;pointer-events:none;transition:.25s;box-shadow:0 14px 26px -12px rgba(0,0,0,.5)}
.sp2-tip::after{content:"";position:absolute;top:100%;left:50%;transform:translateX(-50%);border:7px solid transparent;border-top-color:var(--navy)}
.sp2-tip b{display:block;color:var(--gold);font-size:.85rem}
.sp2-tip em{display:block;font-style:normal;font-weight:800;margin-top:4px}
.sp2:hover .sp2-tip,.sp2:focus-visible .sp2-tip{opacity:1;transform:translate(-50%,0)}
.fo{position:relative;flex-shrink:0;width:210px;margin-left:10px;transform-origin:bottom left;transition:transform .35s;z-index:2}
.fo .cover{width:100%;box-shadow:-6px 10px 20px -8px rgba(0,0,0,.5)}
.fo0{transform:rotate(-4deg)}.fo1{transform:rotate(-9deg);margin-left:-40px}
.fo:hover{transform:rotate(0) translateY(-14px);z-index:6}
.fo .sp2-lbl{position:absolute;left:50%;bottom:-30px;transform:translateX(-50%);white-space:nowrap;color:var(--navy);font-family:var(--body-serif);font-style:italic;font-size:.85rem}
.bookend{flex-shrink:0;width:16px;height:60%;margin-left:6px;background:linear-gradient(90deg,#0b1d33,#13304f);border-radius:4px 4px 0 0;box-shadow:inset -3px 0 0 rgba(255,255,255,.08)}
.shelf2-board{height:22px;margin:0 6%;background:var(--navy);border-radius:4px;box-shadow:0 22px 30px -14px rgba(11,29,51,.55)}
.shelf2-hint{text-align:center;color:var(--muted);font-family:var(--body-serif);font-style:italic;margin-top:18px}
.shelf2-hint i{color:var(--gold);margin-right:6px}
@media (max-width:1000px){.shelf2-row{height:380px}.fo{width:170px}}
@media (max-width:640px){
  .shelf2-row{height:280px;justify-content:flex-start;overflow-x:auto;overflow-y:visible;padding:40px 14px 0;scrollbar-width:none}
  .shelf2-row::-webkit-scrollbar{display:none}
  .fo{width:130px}.fo1{margin-left:-28px}
  .sp2-tip{display:none}
  .shelf2-board{margin:0}
}
/* shelf sized to its books */
.shelf2{width:fit-content;max-width:100%;margin:0 auto}
.shelf2-row{justify-content:flex-start;padding:0 30px}
.shelf2-board{margin:0}
@media (max-width:640px){.shelf2{width:100%}}
@media (max-width:640px){.shelf2-row{height:340px;padding-top:80px;box-sizing:border-box;align-items:flex-end}.sp2:hover,.sp2:focus-visible{transform:translateY(-16px)}}