/* MahadevBook — Global Styles */
:root{
  --burgundy:#6B1A1A; --burgundy-dark:#4d1212; --gold:#C9A84C; --gold-dark:#a8893a;
  --cream:#FDF6EC; --charcoal:#1C1C1C; --white:#FFFFFF; --muted:#6b6b6b; --line:#eadfce;
  --shadow:0 6px 24px rgba(28,28,28,.08); --shadow-lg:0 18px 48px rgba(28,28,28,.16);
  --r-card:8px; --r-btn:4px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--cream);color:var(--charcoal);font-family:'Lato',system-ui,sans-serif;line-height:1.55;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,h5{font-family:'Playfair Display',serif;color:var(--charcoal);font-weight:700;line-height:1.2}
h1{font-size:clamp(2rem,5vw,3.5rem)} h2{font-size:clamp(1.6rem,3.2vw,2.4rem)} h3{font-size:1.25rem}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1240px;margin:0 auto;padding:0 20px}
.section{padding:64px 0}
.section-sm{padding:40px 0}
.eyebrow{color:var(--burgundy);letter-spacing:.18em;text-transform:uppercase;font-size:.78rem;font-weight:700;margin-bottom:8px}
.section-title{text-align:center;margin-bottom:36px}
.section-title h2{margin-bottom:8px}
.section-title p{color:var(--muted)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;border:none;cursor:pointer;font-family:inherit;font-weight:700;
  padding:12px 22px;border-radius:var(--r-btn);transition:all .25s ease;font-size:.95rem;text-align:center;justify-content:center}
.btn-primary{background:var(--gold);color:var(--charcoal)}
.btn-primary:hover{background:var(--gold-dark);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-secondary{background:transparent;color:var(--burgundy);border:2px solid var(--burgundy)}
.btn-secondary:hover{background:var(--burgundy);color:var(--cream)}
.btn-dark{background:var(--charcoal);color:var(--cream)}
.btn-dark:hover{background:#000}
.btn-ghost{background:transparent;color:var(--charcoal)}
.btn-block{width:100%}
.btn-sm{padding:8px 14px;font-size:.85rem}

/* Navbar */
.nav{position:sticky;top:0;z-index:50;background:rgba(253,246,236,.85);backdrop-filter:saturate(140%) blur(12px);
  border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;max-width:1240px;margin:0 auto;gap:24px}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{font-weight:600;color:#3a2a2a;position:relative;padding:6px 0}
.nav-links a:hover,.nav-links a.active{color:var(--burgundy)}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--gold)}
.nav-actions{display:flex;align-items:center;gap:14px}
.icon-btn{position:relative;background:transparent;border:none;cursor:pointer;color:var(--charcoal);
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;transition:background .2s}
.icon-btn:hover{background:rgba(107,26,26,.08)}
.badge{position:absolute;top:2px;right:2px;background:var(--burgundy);color:var(--cream);font-size:.65rem;
  min-width:18px;height:18px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;padding:0 5px;font-weight:700}
.hamburger{display:none}
@media(max-width:900px){
  .nav-links,.nav-actions .desktop-only{display:none}
  .hamburger{display:inline-flex}
}
.drawer{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:60;opacity:0;pointer-events:none;transition:opacity .25s}
.drawer.open{opacity:1;pointer-events:auto}
.drawer-panel{position:absolute;top:0;right:0;width:300px;max-width:85vw;height:100%;background:var(--cream);
  padding:24px;transform:translateX(100%);transition:transform .3s ease;display:flex;flex-direction:column;gap:18px}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-panel a{font-size:1.1rem;font-weight:600;padding:10px 0;border-bottom:1px solid var(--line)}

/* Logo */
.logo{display:inline-flex;align-items:center;gap:10px}
.logo-text{font-family:'Playfair Display',serif;font-size:1.4rem;font-weight:800;color:var(--burgundy);line-height:1}
.logo-tag{font-size:.65rem;letter-spacing:.18em;color:var(--gold-dark);text-transform:uppercase;font-weight:700}

/* Hero */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(1200px 600px at 80% -10%, rgba(201,168,76,.22), transparent 60%),
  linear-gradient(180deg,#2a1010 0%,#1C1C1C 100%);color:var(--cream);padding:90px 0 100px}
.hero .container{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center}
.hero h1{color:var(--cream);font-size:clamp(2.4rem,5.5vw,4rem)}
.hero h1 span{color:var(--gold);font-style:italic}
.hero p{color:#dcc9b0;margin:18px 0 28px;font-size:1.1rem;max-width:520px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-art{position:relative;height:420px}
.hero-art .book-stack{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.hero-book{width:220px;height:320px;border-radius:8px;box-shadow:0 30px 60px rgba(0,0,0,.5);position:absolute;
  background:linear-gradient(135deg,#6B1A1A,#3a0e0e);display:flex;flex-direction:column;justify-content:flex-end;padding:18px;color:var(--gold);font-family:'Playfair Display',serif}
.hero-book:nth-child(1){transform:rotate(-10deg) translateX(-90px)}
.hero-book:nth-child(2){transform:rotate(4deg) translateX(20px);background:linear-gradient(135deg,#1C1C1C,#0a0a0a);z-index:2}
.hero-book:nth-child(3){transform:rotate(14deg) translateX(120px);background:linear-gradient(135deg,#C9A84C,#8a6f2a);color:#1C1C1C}
@media(max-width:900px){.hero .container{grid-template-columns:1fr}.hero-art{height:340px;order:-1}}

/* Categories */
.cat-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:16px}
@media(max-width:1100px){.cat-grid{grid-template-columns:repeat(4,1fr)}}
@media(max-width:560px){.cat-grid{grid-template-columns:repeat(2,1fr)}}
.cat-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px 12px;text-align:center;
  transition:transform .2s,box-shadow .2s;cursor:pointer}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--gold)}
.cat-card .icon{font-size:1.8rem;margin-bottom:8px}
.cat-card div.label{font-weight:700;font-size:.92rem}

/* Book grid */
.book-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media(max-width:1000px){.book-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:720px){.book-grid{grid-template-columns:repeat(2,1fr)}}
.book-card{background:#fff;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s;position:relative}
.book-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.book-cover{aspect-ratio:2/3;background:#eee;position:relative;overflow:hidden}
.book-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.book-card:hover .book-cover img{transform:scale(1.05)}
.discount-badge{position:absolute;top:10px;left:10px;background:var(--burgundy);color:var(--cream);
  font-size:.72rem;font-weight:700;padding:4px 8px;border-radius:4px;letter-spacing:.05em}
.wish-btn{position:absolute;top:10px;right:10px;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.92);
  border:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:transform .2s}
.wish-btn:hover{transform:scale(1.1)}
.wish-btn.active svg{fill:var(--burgundy);stroke:var(--burgundy)}
.book-body{padding:14px 14px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.book-title{font-family:'Playfair Display',serif;font-weight:700;font-size:1rem;color:var(--charcoal);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.4em}
.book-author{font-size:.82rem;color:var(--muted)}
.book-rating{font-size:.8rem;color:var(--gold-dark);font-weight:700}
.book-price{display:flex;align-items:baseline;gap:8px;margin-top:4px}
.price{color:var(--burgundy);font-weight:800;font-size:1.05rem}
.price-old{color:var(--muted);text-decoration:line-through;font-size:.85rem}
.book-card .btn{margin-top:10px}

/* Bestseller scroll */
.scroll-row{display:flex;gap:18px;overflow-x:auto;padding:6px 4px 18px;scroll-snap-type:x mandatory}
.scroll-row::-webkit-scrollbar{height:8px}
.scroll-row::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}
.scroll-row .book-card{min-width:220px;max-width:220px;scroll-snap-align:start}

/* Why us */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:900px){.why-grid{grid-template-columns:repeat(2,1fr)}}
.why-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;text-align:center}
.why-card .icon{width:54px;height:54px;border-radius:50%;background:rgba(201,168,76,.18);color:var(--burgundy);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:12px}
.why-card h4{font-family:'Playfair Display',serif;margin-bottom:6px}
.why-card p{font-size:.9rem;color:var(--muted)}

/* Newsletter */
.newsletter{background:linear-gradient(135deg,var(--burgundy),#3a0e0e);color:var(--cream);border-radius:12px;
  padding:40px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
.newsletter h3{color:var(--cream);font-size:1.6rem}
.newsletter p{color:#e8d6bf;margin-top:4px}
.newsletter form{display:flex;gap:8px}
.newsletter input{padding:12px 14px;border-radius:4px;border:none;font-family:inherit;min-width:240px}
@media(max-width:720px){.newsletter{grid-template-columns:1fr}.newsletter form{flex-direction:column}.newsletter input{width:100%}}

/* Testimonials */
.test-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:900px){.test-grid{grid-template-columns:1fr}}
.test-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px}
.stars{color:var(--gold);letter-spacing:2px;margin-bottom:8px}
.test-card p{color:#3a3a3a;font-style:italic;margin-bottom:14px}
.test-meta{display:flex;align-items:center;gap:10px}
.test-avatar{width:42px;height:42px;border-radius:50%;background:var(--burgundy);color:var(--cream);
  display:inline-flex;align-items:center;justify-content:center;font-weight:700}

/* Footer */
footer{background:var(--charcoal);color:#cfc6b5;padding:60px 0 24px;margin-top:60px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
@media(max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.foot-grid{grid-template-columns:1fr}}
footer h5{font-family:'Playfair Display',serif;color:var(--gold);margin-bottom:14px;font-size:1.05rem}
footer ul{list-style:none;display:flex;flex-direction:column;gap:8px}
footer a:hover{color:var(--gold)}
.social{display:flex;gap:10px;margin-top:14px}
.social a{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.06);
  display:inline-flex;align-items:center;justify-content:center;transition:all .2s}
.social a:hover{background:var(--gold);color:var(--charcoal);transform:translateY(-2px)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:36px;padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.85rem;color:#9b9180}
.pay-icons{display:flex;gap:8px}
.pay-icons span{background:rgba(255,255,255,.06);border-radius:4px;padding:4px 8px;font-size:.7rem;font-weight:700;letter-spacing:.05em}

/* WhatsApp */
.whatsapp-fab{position:fixed;bottom:24px;right:24px;width:60px;height:60px;border-radius:50%;background:#25D366;
  color:#fff;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(37,211,102,.45);
  z-index:80;transition:transform .2s}
.whatsapp-fab:hover{transform:scale(1.08)}
.whatsapp-fab::before{content:"";position:absolute;inset:-6px;border-radius:50%;border:3px solid #25D366;opacity:.5;animation:pulse 2s infinite}
@keyframes pulse{0%{transform:scale(1);opacity:.6}100%{transform:scale(1.4);opacity:0}}
.whatsapp-fab .tip{position:absolute;right:72px;background:var(--charcoal);color:var(--cream);font-size:.78rem;
  padding:6px 10px;border-radius:6px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .2s}
.whatsapp-fab:hover .tip{opacity:1}

/* Toast */
.toast-wrap{position:fixed;top:24px;right:24px;display:flex;flex-direction:column;gap:8px;z-index:90}
.toast{background:var(--charcoal);color:var(--cream);padding:12px 18px;border-radius:6px;box-shadow:var(--shadow-lg);
  border-left:4px solid var(--gold);font-size:.9rem;min-width:240px;animation:slidein .3s ease}
.toast.success{border-color:#3bb273}.toast.error{border-color:#e05656}
@keyframes slidein{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}

/* Shop layout */
.shop-layout{display:grid;grid-template-columns:260px 1fr;gap:32px}
@media(max-width:900px){.shop-layout{grid-template-columns:1fr}}
.filter-side{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;align-self:start;position:sticky;top:90px}
.filter-side h4{font-family:'Playfair Display',serif;margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.filter-group{margin-bottom:18px}
.filter-group label{display:flex;align-items:center;gap:8px;font-size:.9rem;margin:6px 0;cursor:pointer}
.filter-group input[type=range]{width:100%;accent-color:var(--burgundy)}
.shop-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;flex-wrap:wrap;gap:10px}
select,input[type=text],input[type=email],input[type=password],input[type=tel],input[type=number],textarea{
  font-family:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:4px;background:#fff;font-size:.95rem;width:100%}
select{cursor:pointer}
.pagination{display:flex;justify-content:center;gap:6px;margin-top:30px}
.pagination button{width:38px;height:38px;border-radius:4px;border:1px solid var(--line);background:#fff;cursor:pointer;font-weight:700}
.pagination button.active{background:var(--burgundy);color:var(--cream);border-color:var(--burgundy)}

/* Book detail */
.detail-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:48px;align-items:start}
@media(max-width:800px){.detail-grid{grid-template-columns:1fr}}
.detail-cover{background:#fff;border-radius:var(--r-card);padding:24px;border:1px solid var(--line);box-shadow:var(--shadow)}
.detail-cover img{width:100%;border-radius:6px;box-shadow:0 18px 40px rgba(0,0,0,.18)}
.detail-meta{display:grid;grid-template-columns:1fr 1fr;gap:8px 18px;margin:18px 0;font-size:.9rem}
.detail-meta div span{color:var(--muted);display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em}
.detail-actions{display:flex;gap:12px;margin:18px 0;flex-wrap:wrap}

/* Cart */
.cart-layout{display:grid;grid-template-columns:1.6fr 1fr;gap:32px;align-items:start}
@media(max-width:900px){.cart-layout{grid-template-columns:1fr}}
.cart-item{display:grid;grid-template-columns:90px 1fr auto;gap:16px;padding:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);margin-bottom:12px;align-items:center}
.cart-item img{width:90px;height:130px;object-fit:cover;border-radius:4px}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:4px;overflow:hidden;margin-top:8px}
.qty button{width:32px;height:32px;border:none;background:#fff;cursor:pointer;font-size:1.1rem;font-weight:700}
.qty span{padding:0 14px;font-weight:700}
.summary{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;position:sticky;top:90px}
.summary h3{font-family:'Playfair Display',serif;margin-bottom:14px}
.summary .row{display:flex;justify-content:space-between;padding:8px 0;font-size:.95rem}
.summary .row.total{border-top:1px solid var(--line);margin-top:10px;padding-top:14px;font-weight:800;font-size:1.1rem;color:var(--burgundy)}
.coupon{display:flex;gap:8px;margin:12px 0}

/* Auth */
.auth-page{min-height:calc(100vh - 120px);display:flex;align-items:center;justify-content:center;padding:40px 20px}
.auth-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:36px;max-width:440px;width:100%;box-shadow:var(--shadow-lg)}
.auth-card .logo{justify-content:center;width:100%;margin-bottom:18px;flex-direction:column;text-align:center;gap:6px}
.auth-card h2{text-align:center;margin-bottom:6px}
.auth-card .sub{text-align:center;color:var(--muted);margin-bottom:24px}
.field{margin-bottom:14px}
.field label{display:block;font-size:.85rem;font-weight:700;margin-bottom:6px}
.divider{display:flex;align-items:center;gap:12px;margin:18px 0;color:var(--muted);font-size:.85rem}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--line)}
.google-btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:12px;border:1px solid var(--line);
  background:#fff;border-radius:4px;cursor:pointer;font-weight:700}
.google-btn:hover{background:#f8f3e8}

/* Profile */
.profile-head{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;display:flex;
  gap:18px;align-items:center;margin-bottom:24px}
.avatar-lg{width:72px;height:72px;border-radius:50%;background:var(--burgundy);color:var(--cream);
  display:inline-flex;align-items:center;justify-content:center;font-size:1.6rem;font-weight:800}
.tabs{display:flex;gap:6px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:6px;margin-bottom:18px;overflow-x:auto}
.tabs button{flex:1;min-width:140px;padding:10px 14px;border:none;background:transparent;cursor:pointer;font-weight:700;border-radius:4px;color:var(--charcoal)}
.tabs button.active{background:var(--burgundy);color:var(--cream)}
.tab-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px}
.status-badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:.72rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase}
.status-badge.processing{background:#fff4d6;color:#8a6f2a}
.status-badge.shipped{background:#d9ecff;color:#1e4d8c}
.status-badge.delivered{background:#d6f5e0;color:#1e7a4a}

/* About / contact */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
@media(max-width:800px){.about-grid{grid-template-columns:1fr}}
.about-img{background:linear-gradient(135deg,var(--burgundy),#3a0e0e);border-radius:12px;aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;color:var(--gold)}
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:800px){.team-grid{grid-template-columns:1fr}}
.team-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;text-align:center}
.team-avatar{width:88px;height:88px;border-radius:50%;margin:0 auto 12px;background:linear-gradient(135deg,var(--gold),var(--burgundy));display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:1.6rem;font-weight:800;font-family:'Playfair Display',serif}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr}}
.info-cards{display:grid;grid-template-columns:1fr;gap:14px;margin-top:16px}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:18px;display:flex;gap:14px;align-items:flex-start}
.info-card .icon{width:42px;height:42px;border-radius:50%;background:rgba(201,168,76,.18);color:var(--burgundy);display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}

/* 404 */
.notfound{min-height:70vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:40px}
.notfound .big{font-family:'Playfair Display',serif;font-size:clamp(6rem,18vw,12rem);color:var(--burgundy);line-height:1;background:linear-gradient(180deg,var(--burgundy),var(--gold));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* Empty state */
.empty{text-align:center;padding:60px 20px;color:var(--muted)}
.empty h3{color:var(--charcoal);margin-bottom:6px}
.skeleton{background:linear-gradient(90deg,#eee,#f6f6f6,#eee);background-size:200% 100%;animation:sk 1.2s infinite;border-radius:6px}
@keyframes sk{0%{background-position:200% 0}100%{background-position:-200% 0}}