:root{
  --bg:#0b0c10;
  --bg2:#101425;
  --card:rgba(255,255,255,.06);
  --stroke:rgba(255,255,255,.12);
  --text:#e9ecf1;
  --muted:rgba(233,236,241,.75);
  --accent:#ffd166;
  --accent2:#7c5cff;
  --good:#29d17d;
  --shadow: 0 18px 60px rgba(0,0,0,.55);
  --radius: 18px;
  --container: 1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Helvetica Neue", sans-serif;
  color:var(--text);
  background:
    radial-gradient(1000px 700px at 12% -10%, rgba(124,92,255,.22), transparent 60%),
    radial-gradient(900px 650px at 90% 10%, rgba(255,209,102,.14), transparent 60%),
    linear-gradient(180deg, var(--bg), #07070a 60%);
  overflow-x:hidden;
}

a{color:inherit; text-decoration:none}
.container{width:min(var(--container), calc(100% - 40px)); margin:0 auto}

/* Header */
.header{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(14px);
  background: rgba(10,11,16,.58);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.header__inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
  gap:16px;
}
.brand{display:flex; align-items:center; gap:10px}
.brand__mark{
  width:38px; height:38px; display:grid; place-items:center;
  border:1px solid rgba(255,255,255,.12);
  border-radius: 12px;
  background: rgba(255,255,255,.04);
  box-shadow: 0 10px 24px rgba(0,0,0,.3);
}
.brand__name{font-weight:900; letter-spacing:.4px}

.nav{display:flex; align-items:center; gap:12px}
.nav__toggle{
  display:none;
  width:44px; height:44px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  cursor:pointer;
}
.nav__toggle span{
  display:block; width:18px; height:2px; margin:4px auto;
  background: rgba(255,255,255,.9);
  border-radius: 99px;
  transition: transform .2s ease, opacity .2s ease;
}
.nav__list{
  list-style:none; display:flex; gap:18px; padding:0; margin:0;
}
.nav__list a{
  opacity:.9;
  padding:10px 10px;
  border-radius: 12px;
  transition: background .2s ease, transform .2s ease, opacity .2s ease;
}
.nav__list a:hover{
  opacity:1;
  background: rgba(255,255,255,.06);
  transform: translateY(-1px);
}

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  padding:12px 16px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  color: #0b0c10;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  font-weight:900;
  cursor:pointer;
  box-shadow: 0 18px 40px rgba(0,0,0,.35);
  transition: transform .15s ease, filter .2s ease;
}
.btn:hover{transform: translateY(-2px); filter: brightness(1.03)}
.btn:active{transform: translateY(0px)}
.btn--ghost{
  color: var(--text);
  background: rgba(255,255,255,.05);
}
.btn:focus{outline:2px solid rgba(255,209,102,.45); outline-offset:3px}

.btn__spinner{
  width:16px; height:16px; border-radius:50%;
  border:2px solid rgba(11,12,16,.25);
  border-top-color: rgba(11,12,16,.9);
  display:none;
  animation: spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* Hero */
.hero{position:relative; padding: 58px 0 44px; overflow:hidden}
.hero__bg{
  position:absolute; inset:-40px;
  background:
    radial-gradient(850px 520px at 20% 20%, rgba(255,209,102,.14), transparent 60%),
    radial-gradient(900px 600px at 80% 30%, rgba(124,92,255,.18), transparent 62%);
}
.hero__inner{
  position:relative;
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:18px;
  align-items:stretch;
}
.pill{
  display:inline-flex;
  padding:8px 12px;
  border-radius: 999px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  font-weight:800;
  letter-spacing:.6px;
  font-size:12px;
}
.hero h1{
  font-size: clamp(32px, 4vw, 52px);
  line-height:1.05;
  margin: 14px 0 10px;
}
.grad{
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero__lead{margin:0 0 16px; line-height:1.6}
.hero__actions{display:flex; gap:12px; flex-wrap:wrap; margin-bottom: 14px}

.hero__mini{display:flex; gap:10px; flex-wrap:wrap}
.miniCard{
  flex:1 1 170px;
  display:flex; gap:10px; align-items:center;
  padding: 12px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
}
.miniCard span{opacity:.9}

/* Slider */
.slider{
  position:relative;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
  box-shadow: var(--shadow);
  overflow:hidden;
  min-height: 330px;
}
.slider__track{
  display:flex;
  transition: transform .55s ease;
  height: 100%;
}
.slide{
  width:100%;
  flex: 0 0 100%;
  padding: 20px;
  display:flex;
  flex-direction:column;
  gap:10px;
  justify-content:center;
}
.slide__badge{
  display:inline-flex;
  align-self:flex-start;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,209,102,.22);
  background: rgba(255,209,102,.14);
  font-weight: 950;
  font-size: 12px;
  letter-spacing:.3px;
}
.slide h3{margin:0; font-size: 22px}
.slide__art{
  margin-top: 8px;
  font-size: 46px;
  letter-spacing: 6px;
  opacity:.95;
  filter: drop-shadow(0 18px 40px rgba(0,0,0,.35));
}
.slider__btn{
  position:absolute; top:50%;
  transform: translateY(-50%);
  width:44px; height:44px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.35);
  color: var(--text);
  cursor:pointer;
  font-size: 24px;
  display:grid; place-items:center;
}
.slider__btn:hover{filter:brightness(1.05)}
.slider__btn.prev{left:12px}
.slider__btn.next{right:12px}

.dots{
  position:absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display:flex;
  gap:8px;
}
.dot{
  width:10px; height:10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.22);
  background: rgba(255,255,255,.12);
  cursor:pointer;
}
.dot.is-active{
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  border-color: rgba(255,255,255,.22);
}

/* Sections */
.section{padding: 54px 0}
.section--alt{
  background: linear-gradient(180deg, rgba(255,255,255,.03), transparent 65%);
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.section__head{margin-bottom: 16px}
.section__head h2{
  margin:0 0 8px;
  font-size: clamp(26px, 3vw, 34px);
}
.muted{color: var(--muted)}
.tiny{font-size: 13px}

/* Search bar */
.searchbar{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  align-items:center;
  margin: 14px 0 18px;
}
.searchbar__field{
  flex: 1 1 360px;
  display:flex;
  align-items:center;
  gap:10px;
  padding: 12px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
}
.searchbar__field input{
  border:0;
  outline:0;
  background: transparent;
  color: var(--text);
  width:100%;
  font-size: 15px;
}
.select{
  flex: 1 1 220px;
  padding: 12px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(10,11,16,.55);
  color: var(--text);
}

/* Catalog grid */
.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
.card{
  border-radius: var(--radius);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
  box-shadow: var(--shadow);
}
.book{
  padding: 16px;
  display:flex;
  gap:14px;
  align-items:flex-start;
  transition: transform .2s ease, background .2s ease;
}
.book:hover{transform: translateY(-4px); background: rgba(255,255,255,.07)}
.cover{
  width: 62px; height: 86px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.12);
  background:
    radial-gradient(140px 80px at 30% 20%, rgba(255,209,102,.22), transparent 60%),
    radial-gradient(140px 80px at 70% 40%, rgba(124,92,255,.22), transparent 60%),
    linear-gradient(135deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  display:grid; place-items:center;
  font-weight: 950;
}
.book__info{flex:1}
.book__title{margin:0 0 6px; font-weight: 950}
.book__meta{display:flex; gap:10px; flex-wrap:wrap; color: rgba(233,236,241,.80); font-size: 13px}
.tag{
  display:inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
}
.price{
  margin-top: 10px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.price strong{font-size: 16px}
.actions{display:flex; gap:10px; flex-wrap:wrap}
.iconBtn{
  width:42px; height:42px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  cursor:pointer;
  display:grid; place-items:center;
}
.iconBtn:hover{filter:brightness(1.05)}

.empty{
  margin-top: 16px;
  padding: 18px;
  border-radius: 18px;
  border: 1px dashed rgba(255,255,255,.14);
  background: rgba(255,255,255,.03);
}

/* Order */
.order{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap:14px;
  align-items:start;
}
.cart{padding: 16px}
.cart__head{
  display:flex; justify-content:space-between; align-items:center;
  gap:10px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.cart__list{padding: 10px 0; min-height: 70px}
.cartItem{
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.cartItem:last-child{border-bottom:none}
.cartItem__left{display:flex; flex-direction:column; gap:6px}
.qty{
  display:flex; align-items:center; gap:8px;
  color: rgba(233,236,241,.85);
  font-size: 13px;
}
.qty button{
  width:28px; height:28px; border-radius: 10px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  color: var(--text);
  cursor:pointer;
}
.cart__footer{display:flex; gap:10px; flex-wrap:wrap; padding-top: 10px; border-top:1px solid rgba(255,255,255,.08)}

.form{padding: 16px}
.form h3{margin:0 0 12px}
.row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
}
.field{display:flex; flex-direction:column; gap:8px; margin-bottom:12px}
label{font-weight:900; font-size: 13px}
input, textarea{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(10,11,16,.55);
  color: var(--text);
  outline:none;
}
input:focus, textarea:focus{border-color: rgba(255,209,102,.35)}
textarea{resize:vertical; min-height: 110px}
.form__actions{display:flex; gap:10px; flex-wrap:wrap; margin-top: 8px}

/* FAQ */
.faq{display:grid; gap:12px}
.qa{
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  padding: 10px 12px;
}
.qa summary{cursor:pointer; font-weight: 950}
.qa p{margin: 10px 0 6px}

/* Footer */
.footer{
  padding: 34px 0 0;
  border-top: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.02);
}
.footer__inner{
  display:flex;
  justify-content:space-between;
  gap:20px;
  padding-bottom: 20px;
}
.footer__links{display:flex; gap:14px; flex-wrap:wrap}
.footer__links a{
  padding:10px 10px;
  border-radius: 12px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.06);
}
.footer__bar{
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 12px 0;
}
.brand--footer .brand__mark{width:34px; height:34px}

/* Reveal */
.reveal{
  opacity:0;
  transform: translateY(16px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.is-visible{opacity:1; transform: translateY(0)}

/* WhatsApp floating */
.wafloat{
  position:fixed;
  right: 18px;
  bottom: 18px;
  z-index: 60;
  display:flex;
  align-items:center;
  gap:10px;
  padding: 12px 14px;
  border-radius: 999px;
  background: rgba(18, 230, 113, .14);
  border: 1px solid rgba(18, 230, 113, .25);
  box-shadow: 0 18px 60px rgba(0,0,0,.5);
  backdrop-filter: blur(10px);
  transition: transform .15s ease, filter .2s ease;
}
.wafloat:hover{transform: translateY(-3px); filter: brightness(1.05)}
.waicon{
  width:28px; height:28px;
  display:grid; place-items:center;
  border-radius: 10px;
  background: rgba(18, 230, 113, .22);
}
.walabel{font-weight:950}

/* Toast */
.toast{
  position:fixed;
  left:50%;
  bottom: 20px;
  transform: translateX(-50%) translateY(20px);
  opacity:0;
  z-index: 80;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(0,0,0,.55);
  border: 1px solid rgba(255,255,255,.14);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  transition: opacity .2s ease, transform .2s ease;
}
.toast.show{opacity:1; transform: translateX(-50%) translateY(0)}

/* Responsive */
@media (max-width: 980px){
  .hero__inner{grid-template-columns: 1fr}
  .grid{grid-template-columns: 1fr}
  .order{grid-template-columns: 1fr}
  .footer__inner{flex-direction:column}
}
@media (max-width: 760px){
  .nav__toggle{display:inline-block}
  .nav__list{
    position:fixed;
    left: 20px;
    right: 20px;
    top: 72px;
    padding: 14px;
    background: rgba(10,11,16,.78);
    border: 1px solid rgba(255,255,255,.10);
    border-radius: 18px;
    box-shadow: var(--shadow);
    display:none;
    flex-direction:column;
    gap:8px;
  }
  .nav__list.is-open{display:flex}
  .row{grid-template-columns: 1fr}
}