/* YourStudyHack storefront polish v13: one component system across every page. */
:root{
  --ysh-navy:#0b1f3a;
  --ysh-blue:#1769ff;
  --ysh-blue-dark:#0f52cc;
  --ysh-teal:#0d8f8a;
  --ysh-orange:#e96608;
  --ysh-green:#168759;
  --ysh-ink:#10213b;
  --ysh-muted:#607087;
  --ysh-line:#d8e3ef;
  --ysh-ice:#f4f8fd;
  --ysh-paper:#fff;
  --ysh-radius:16px;
  --ysh-shadow:0 18px 48px rgba(11,31,58,.12);
}

html{scroll-behavior:smooth}
body{color:var(--ysh-ink);background:#fff}
button,input{font:inherit}

.button,
button.button,
a.button,
.card-buy-link{
  min-height:48px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:12px 20px;
  border:1px solid var(--ysh-navy);
  border-radius:12px;
  background:var(--ysh-navy);
  color:#fff;
  font:700 14px/1.15 Manrope,sans-serif;
  text-decoration:none;
  text-align:center;
  cursor:pointer;
  box-shadow:0 8px 20px rgba(11,31,58,.13);
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}

.button:hover,
button.button:hover,
a.button:hover,
.card-buy-link:hover{
  transform:translateY(-2px);
  background:var(--ysh-blue-dark);
  border-color:var(--ysh-blue-dark);
  color:#fff;
  box-shadow:0 12px 26px rgba(15,82,204,.22);
}

.button:focus-visible,
button:focus-visible,
a:focus-visible,
input:focus-visible,
summary:focus-visible{
  outline:3px solid rgba(23,105,255,.32);
  outline-offset:3px;
}

.button-small{min-height:44px;padding:10px 16px;font-size:13px}
.button-secondary,
.card-buy-link{
  background:#fff;
  color:var(--ysh-navy);
  border-color:var(--ysh-line);
  box-shadow:none;
}
.button-secondary:hover,
.card-buy-link:hover{background:var(--ysh-ice);color:var(--ysh-navy);border-color:#a9bdd3;box-shadow:none}
.button-light{background:#fff;color:var(--ysh-navy);border-color:#fff;box-shadow:0 10px 28px rgba(0,0,0,.14)}
.button-light:hover{background:#eef5ff;color:var(--ysh-navy);border-color:#eef5ff}
.teal-button{background:var(--ysh-teal);border-color:var(--ysh-teal)}
.memory-orange-button{background:var(--ysh-orange);border-color:var(--ysh-orange)}
.text-link{font-weight:750;text-underline-offset:4px}

.site-header{z-index:100}
.main-nav{align-items:center}
.main-nav>a{border-radius:9px;white-space:nowrap}
.main-nav .nav-cart,
.main-nav .nav-whatsapp{min-height:42px;display:inline-flex;align-items:center;justify-content:center;padding:9px 13px}
.main-nav .nav-cart{border:1px solid var(--ysh-line);background:#fff}
.main-nav .nav-cart span{min-width:21px;height:21px;display:inline-grid;place-items:center;margin-left:5px;border-radius:999px;background:#e7eef7;font-size:11px}
.main-nav .nav-cart.has-items{border-color:var(--ysh-blue);color:var(--ysh-blue-dark);background:#edf4ff}
.main-nav .nav-cart.has-items span{background:var(--ysh-blue);color:#fff}
.main-nav .nav-whatsapp{border:1px solid #b8dfcf;background:#effaf5;color:#0a6f4b}

.site-deal-bar{
  min-height:42px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:14px;
  padding:9px 24px;
  background:linear-gradient(90deg,#071a31,#123a68);
  color:#fff;
  text-decoration:none;
  font-size:13px;
  position:relative;
  z-index:80;
}
.site-deal-bar span{padding:4px 9px;border-radius:999px;background:#ffdb68;color:#573a00;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}
.site-deal-bar strong{font-weight:750}
.site-deal-bar em{color:#bfe6ff;font-style:normal;font-weight:800}

.hero-bundle-promo{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:12px;
  max-width:620px;
  margin:24px 0 0;
  padding:13px 15px;
  border:1px solid #c8dcf6;
  border-radius:14px;
  background:linear-gradient(135deg,#fff,#eff6ff);
  color:var(--ysh-navy);
  text-decoration:none;
  box-shadow:0 10px 25px rgba(23,105,255,.09);
}
.hero-bundle-promo>span{padding:6px 9px;border-radius:8px;background:#ffdc70;color:#604100;font-size:10px;font-weight:850;text-transform:uppercase;letter-spacing:.08em}
.hero-bundle-promo strong{font-size:14px;line-height:1.35}
.hero-bundle-promo em{color:var(--ysh-blue-dark);font-size:12px;font-style:normal;font-weight:800;white-space:nowrap}

.store-filter-row{display:flex;gap:9px;flex-wrap:wrap}
.store-filter-row button{
  min-height:40px;
  padding:9px 15px;
  border:1px solid var(--ysh-line);
  border-radius:999px;
  background:#fff;
  color:var(--ysh-muted);
  font-weight:750;
  cursor:pointer;
}
.store-filter-row button:hover,.store-filter-row button.is-current{border-color:var(--ysh-blue);background:#edf4ff;color:var(--ysh-blue-dark)}

.product-catalog{align-items:stretch}
.product-card{
  min-width:0;
  height:100%;
  overflow:hidden;
  border:1px solid var(--ysh-line);
  border-radius:20px;
  background:#fff;
  box-shadow:0 10px 30px rgba(11,31,58,.07);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.product-card:hover{transform:translateY(-5px);border-color:#b7cce2;box-shadow:var(--ysh-shadow)}
.product-card[hidden]{display:none!important}
.product-card-visual{position:relative;min-height:255px}
.featured-label.enquiry-label{background:#fff2df;color:#995008}
.product-card-copy{display:flex;flex-direction:column}
.product-card-copy h3{font-size:clamp(22px,2.2vw,28px)}
.product-card-copy>p{min-height:72px}
.product-card-copy>ul{margin-bottom:16px}
.product-bundle-chip{
  display:inline-flex;
  align-items:center;
  width:max-content;
  max-width:100%;
  margin:0 0 15px;
  padding:7px 10px;
  border:1px solid #b9d2f4;
  border-radius:999px;
  background:#edf5ff;
  color:#0f52a7;
  font-size:11px;
  font-weight:800;
  text-decoration:none;
}
.product-price{margin-top:auto}
.product-price strong{font-size:25px}
.product-card-actions{display:grid!important;grid-template-columns:1fr 1fr;gap:10px!important;margin-top:18px}
.product-card-actions>*{width:100%;margin:0!important}

.bundle-catalog{display:grid;gap:24px}
.bundle-catalog .bundle-panel{
  display:grid;
  grid-template-columns:minmax(280px,.8fr) minmax(0,1.2fr);
  gap:clamp(28px,5vw,70px);
  align-items:center;
  padding:clamp(28px,5vw,64px);
  border-radius:26px;
  overflow:hidden;
  color:#fff;
  box-shadow:var(--ysh-shadow);
}
.bundle-panel-navy{background:linear-gradient(135deg,#081a31,#123b6b)}
.bundle-panel-orange{background:linear-gradient(135deg,#7a2c04,#c74d04)}
.bundle-catalog .bundle-books{min-height:280px;display:flex;align-items:center;justify-content:center;gap:0}
.bundle-catalog .bundle-cover{position:relative!important;inset:auto!important;left:auto!important;top:auto!important;width:180px;min-height:250px;margin:0!important;transform:rotate(-5deg);box-shadow:0 24px 42px rgba(0,0,0,.25)}
.bundle-catalog .bundle-cover+ .bundle-cover{margin-left:-28px!important;transform:rotate(5deg) translateY(14px)}
.bundle-catalog .catalog-cover-image.bundle-cover{object-fit:cover;border-radius:5px}
.bundle-catalog .bundle-copy h3{margin:12px 0;font:700 clamp(30px,4vw,48px)/1.05 Sora,sans-serif;color:#fff}
.bundle-catalog .bundle-copy>p{max-width:660px;color:#d9e8f7;font-size:16px;line-height:1.7}
.bundle-catalog .bundle-includes{margin:18px 0}
.bundle-price{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin:22px 0}
.bundle-price s{color:#b9cbdd;font-size:18px}
.bundle-price strong{font:800 clamp(34px,5vw,52px)/1 Sora,sans-serif;color:#fff}
.bundle-price span{padding:6px 10px;border-radius:999px;background:#ffda65;color:#563900;font-size:12px;font-weight:850}
.bundle-price-enquiry{align-items:center}
.bundle-price-enquiry strong{font-size:30px}
.bundle-price-enquiry span{background:rgba(255,255,255,.16);color:#fff}

.mini-cart{
  position:fixed;
  left:50%;
  bottom:18px;
  z-index:300;
  width:min(940px,calc(100% - 32px));
  transform:translateX(-50%);
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto auto;
  align-items:center;
  gap:16px;
  padding:13px 14px 13px 18px;
  border:1px solid #c3d3e4;
  border-radius:18px;
  background:rgba(255,255,255,.97);
  box-shadow:0 22px 60px rgba(11,31,58,.24);
  backdrop-filter:blur(14px);
}
.mini-cart[hidden]{display:none}
.mini-cart-main{display:flex;flex-direction:column;gap:2px;min-width:135px}
.mini-cart-main span{color:var(--ysh-muted);font-size:11px;font-weight:750;text-transform:uppercase;letter-spacing:.07em}
.mini-cart-main strong{font-size:15px}
.mini-cart-upsell{display:flex;align-items:center;justify-content:center;gap:10px;padding:8px 12px;border-radius:11px;background:#edf5ff;color:#173f72;font-size:12px}
.mini-cart-upsell[hidden]{display:none}
.mini-cart-upsell button{padding:5px 9px;border:0;border-radius:8px;background:var(--ysh-blue);color:#fff;font-size:11px;font-weight:800;cursor:pointer;white-space:nowrap}
.mini-cart-close{width:32px;height:32px;border:0;border-radius:9px;background:#eef2f7;color:var(--ysh-muted);font-size:20px;cursor:pointer}
.cart-toast{position:fixed;right:22px;bottom:112px;z-index:350;max-width:360px;padding:13px 16px;border-radius:12px;background:var(--ysh-navy);color:#fff;font-size:13px;font-weight:700;box-shadow:var(--ysh-shadow);opacity:0;transform:translateY(10px);pointer-events:none;transition:.2s ease}
.cart-toast.is-visible{opacity:1;transform:none}

.checkout-flow{background:linear-gradient(180deg,#f6f9fd,#fff 520px)}
.checkout-flow .checkout-main{padding-top:44px}
.checkout-deal-intro{display:flex;align-items:center;gap:10px;margin:16px 0 22px;padding:11px 13px;border:1px solid #b9d3f4;border-radius:12px;background:#edf5ff;color:#174a88;font-size:13px;font-weight:750}
.checkout-deal-intro span{padding:4px 8px;border-radius:7px;background:#ffdc70;color:#5a3c00;font-size:10px;text-transform:uppercase;letter-spacing:.07em}
.cart-product-option{min-height:104px;border-width:1px!important;border-radius:15px!important;transition:.18s ease}
.cart-product-option:has(input:checked){border-color:var(--ysh-blue)!important;background:#f2f7ff;box-shadow:0 8px 22px rgba(23,105,255,.1)}
.cart-product-option-teal:has(input:checked){border-color:var(--ysh-teal)!important;background:#effaf8}
.cart-book-mark b{display:block;font-size:12px;line-height:1.25}
.cart-book-mark small{display:block;margin-top:4px;font-size:9px;line-height:1.3}
.cart-book-orange{background:#fff3e9;color:#a44203}
.cart-book-blue{background:#edf4ff;color:#174d91}
.cart-book-teal{background:#eaf8f6;color:#086f6a}
.cart-bundle-saving{border-radius:14px!important;box-shadow:0 9px 24px rgba(22,135,89,.09)}
.cart-bundle-saving[hidden]{display:none!important}
.checkout-upsell{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:14px;
  margin:16px 0 0;
  padding:16px;
  border:2px solid #7faef0;
  border-radius:16px;
  background:linear-gradient(135deg,#f5f9ff,#e7f1ff);
  box-shadow:0 10px 25px rgba(23,105,255,.1);
}
.checkout-upsell[hidden]{display:none}
.checkout-upsell-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;background:var(--ysh-blue);color:#fff;font-size:24px;font-weight:800}
.checkout-upsell-copy{display:flex;flex-direction:column;gap:3px}
.checkout-upsell-copy>span{color:var(--ysh-blue-dark);font-size:10px;font-weight:850;text-transform:uppercase;letter-spacing:.08em}
.checkout-upsell-copy strong{font-size:14px;line-height:1.35}
.checkout-upsell-copy small{color:var(--ysh-muted);line-height:1.45}
.checkout-submit{width:100%;min-height:54px;font-size:15px}

@media (max-width:980px){
  .main-nav{align-items:stretch}
  .main-nav .nav-cart,.main-nav .nav-whatsapp{justify-content:flex-start}
  .bundle-catalog .bundle-panel{grid-template-columns:1fr}
  .bundle-catalog .bundle-books{min-height:230px}
  .mini-cart{grid-template-columns:1fr auto}
  .mini-cart-upsell{grid-column:1/-1;grid-row:2}
  .mini-cart-close{grid-column:2;grid-row:1}
}

@media (max-width:720px){
  .site-deal-bar{justify-content:space-between;gap:8px;padding:9px 14px;font-size:11px}
  .site-deal-bar span{display:none}
  .site-deal-bar strong{max-width:68%;line-height:1.25}
  .hero-bundle-promo{grid-template-columns:auto 1fr}
  .hero-bundle-promo em{grid-column:2}
  .product-card-actions{grid-template-columns:1fr}
  .bundle-catalog .bundle-panel{padding:26px 20px;border-radius:20px}
  .bundle-catalog .bundle-books{min-height:190px}
  .bundle-catalog .bundle-cover{width:135px;min-height:190px}
  .bundle-catalog .bundle-copy h3{font-size:30px}
  .mini-cart{bottom:10px;width:calc(100% - 20px);grid-template-columns:1fr auto;gap:10px;padding:12px}
  .mini-cart>.button{grid-column:1/-1;width:100%}
  .mini-cart-upsell{align-items:flex-start;flex-direction:column}
  .mini-cart-upsell button{width:100%;min-height:34px}
  .cart-toast{left:12px;right:12px;bottom:198px;max-width:none;text-align:center}
  .checkout-upsell{grid-template-columns:auto 1fr}
  .checkout-upsell .button{grid-column:1/-1;width:100%}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}