@import url('https://fonts.googleapis.com/css2?family=Lato:wght@300;400;700;900&family=Merriweather:ital,wght@0,400;0,700;1,400&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --blue:#2563a8;
  --blue-dark:#1a4a80;
  --blue-light:#e8f0fb;
  --orange:#e07b2a;
  --orange-light:#fff4ec;
  --green:#2e8b57;
  --red:#c0392b;
  --text:#222;
  --text-mid:#555;
  --text-light:#888;
  --border:#ddd;
  --bg:#fff;
  --bg-gray:#f7f7f7;
  --bg-blue:#f0f6ff;
  --shadow:0 2px 8px rgba(0,0,0,.10);
  --shadow-hover:0 6px 24px rgba(0,0,0,.16);
  --radius:6px;
}

body{font-family:'Lato',sans-serif;color:var(--text);background:#fff;font-size:15px;line-height:1.5}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline;color:var(--blue-dark)}
img{display:block;max-width:100%}
button{cursor:pointer;font-family:'Lato',sans-serif}

/* ===== TOP BAR ===== */
.topbar{background:var(--blue-dark);color:#fff;font-size:13px;padding:7px 0;text-align:center}
.topbar a{color:#ffd;text-decoration:underline}

/* ===== NAVBAR ===== */
.navbar{background:#fff;border-bottom:2px solid #fff3f3;position:sticky;top:0;z-index:200;box-shadow:0 2px 6px rgba(0,0,0,.08)}
.navbar-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:0;height:62px}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none;margin-right:24px;flex-shrink:0}
.nav-logo img{height:45px}
.nav-logo-text{font-family:'Merriweather',serif;font-size:1.9rem;font-weight:700;color:#91864c;line-height:1}
.nav-logo-text span{color:#91864c;font-style:italic}

.nav-menu{display:flex;align-items:center;justify-content:center;gap:0;flex:1}
.nav-menu a{display:flex;align-items:center;height:62px;padding:0 14px;font-size:18px;font-weight:700;color:var(--text);border-bottom:3px solid transparent;transition:all .2s;white-space:nowrap;text-decoration:none}
.nav-menu a:hover,.nav-menu a.active{color:#111;border-bottom-color:#111;text-decoration:none}

.nav-dropdown{position:relative}
.nav-dropdown:hover .dropdown-menu{display:block}
.dropdown-menu{display:none;position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--border);border-top:3px solid var(--blue);box-shadow:var(--shadow-hover);min-width:200px;z-index:300}
.dropdown-menu a{display:block;height:auto;padding:10px 16px;border-bottom:none;font-weight:400;font-size:14px;color:var(--text)}
.dropdown-menu a:hover{background:var(--bg-blue);color:var(--blue)}

.nav-right{display:flex;align-items:center;gap:10px;margin-left:auto}
.search-form{display:flex;align-items:center;border:1.5px solid var(--border);border-radius:4px;overflow:hidden;background:#fff}
.search-form input{border:none;outline:none;padding:7px 12px;font-size:14px;font-family:'Lato',sans-serif;width:200px;color:var(--text)}
.search-form button{background:var(--blue);color:#fff;border:none;padding:7px 14px;font-size:14px;font-weight:700;transition:background .2s}
.search-form button:hover{background:var(--blue-dark)}
.btn-login{background:#fff;color:black;padding:7px 16px;border-radius:4px;font-size:18px;font-weight:700;transition:all .2s}
.btn-login:hover{background:var(--black);color:black;border-color:var(--black)}
.btn-login-nav{background:var(--blue);color:#fff;padding:8px 22px;border-radius:5px;font-size:15px;font-weight:700;transition:all .2s;text-decoration:none;border:2px solid var(--blue)}
.btn-login-nav:hover{background:var(--blue-dark);border-color:var(--blue-dark);color:#fff;text-decoration:none;transform:translateY(-1px)}

/* ===== PAGE WRAPPER ===== */
.page-wrap{max-width:1200px;margin:0 auto;padding:24px 20px}

/* ===== HERO BANNER ===== */
.hero{background:rgba(0,0,0,0.77);color:#f3ed98d7;padding:52px 20px;text-align:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:url('https://i0.wp.com/cms.babbel.news/wp-content/uploads/2022/01/Most_Beautiful_Libraries.png') center/cover no-repeat;opacity:.12}
.hero-inner{position:relative;z-index:1;max-width:700px;margin:0 auto}
.hero h1{font-family:'Merriweather',serif;font-size:2.4rem;font-weight:700;line-height:1.25;margin-bottom:14px;text-shadow:0 2px 8px rgba(0,0,0,.3)}
.hero p{font-size:1.1rem;opacity:.92;margin-bottom:28px;font-weight:300;line-height:1.6}
.hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn-hero-primary{background:#fff;color:var(--blue-dark);padding:13px 30px;border-radius:4px;font-size:15px;font-weight:700;border:none;transition:all .2s;box-shadow:0 4px 14px rgba(0,0,0,.2)}
.btn-hero-primary:hover{background:#f0f6ff;transform:translateY(-1px);box-shadow:0 6px 20px rgba(0,0,0,.25);text-decoration:none;color:var(--blue-dark)}
.btn-hero-secondary{background:transparent;color:#fff;padding:13px 30px;border-radius:4px;font-size:15px;font-weight:700;border:2px solid rgba(255,255,255,.7);transition:all .2s}
.btn-hero-secondary:hover{background:rgba(255,255,255,.15);border-color:#fff;text-decoration:none;color:#fff}
.hero-stats{display:flex;gap:32px;justify-content:center;margin-top:32px;flex-wrap:wrap}
.hero-stat{text-align:center}
.hero-stat strong{display:block;font-size:1.7rem;font-weight:900;font-family:'Merriweather',serif}
.hero-stat span{font-size:.82rem;opacity:.8;letter-spacing:.5px;text-transform:uppercase}

/* ===== SECTION HEADINGS ===== */
.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:18px;padding-bottom:10px;border-bottom:2px solid var(--border);flex-wrap:wrap;gap:8px}
.section-head h2{font-size:1.1rem;font-weight:900;text-transform:uppercase;letter-spacing:.5px;color:var(--text)}
.section-head a.view-all{font-size:13px;font-weight:700;color:var(--blue)}
.section-head a.view-all:hover{color:var(--blue-dark)}

/* ===== BOOK CARDS GRID ===== */
.books-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:20px;align-items:stretch}
.books-grid-6{grid-template-columns:repeat(6,1fr)}

.book-card{display:flex;flex-direction:column;justify-content:space-between;cursor:pointer;transition:transform .18s,box-shadow .18s;text-decoration:none;color:inherit;height:100%}
.book-card:hover{transform:translateY(-3px);text-decoration:none;color:inherit}
.book-card:hover .book-cover{box-shadow:var(--shadow-hover)}

.book-cover{width:100%;aspect-ratio:2/3;object-fit:cover;border-radius:4px;box-shadow:var(--shadow);background:linear-gradient(110deg,#e8e8e8 30%,#f5f5f5 50%,#e8e8e8 70%);background-size:200% 100%;animation:shimmer 1.4s infinite linear;display:block}
.book-cover.loaded{animation:none;background:#e8e8e8}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
.book-cover-wrap{position:relative}
.book-badge{position:absolute;top:7px;left:0;font-size:11px;font-weight:700;padding:3px 8px;text-transform:uppercase;letter-spacing:.3px;border-radius:0 3px 3px 0}
.badge-free{background:#2e8b57;color:#fff}
.badge-deal{background:var(--orange);color:#fff}
.badge-new{background:var(--blue);color:#fff}

.book-info{padding:10px 0 0;display:flex;flex-direction:column;flex:1;}
.book-title{font-size:14px;font-weight:700;color:var(--text);line-height:1.3;margin-bottom:3px;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}
.book-author{font-size:12.5px;color:var(--text-mid);margin-bottom:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.book-price-row{display:flex;align-items:center;gap:7px}
.book-price{font-size:14px;font-weight:700;color:var(--text)}
.book-price.free{color:var(--green);font-weight:700}
.book-price-orig{font-size:12px;color:var(--text-light);text-decoration:line-through}
.book-rating{display:flex;align-items:center;gap:3px;font-size:12px;color:var(--text-mid);margin-top:3px}
.stars{color:#f5a623;letter-spacing:-1px;font-size:13px}

/* Download/Read links on card */
.book-card-links{display:flex;gap:8px;margin-top:auto}
.book-card-links a{font-size:12px;font-weight:700;color:var(--blue);padding:4px 10px;border:1.5px solid var(--blue);border-radius:3px;transition:all .18s}
.book-card-links a:hover{background:var(--blue);color:#fff;text-decoration:none}
.book-card-links a.dl{background:var(--blue);color:#fff;border-color:var(--blue)}
.book-card-links a.dl:hover{background:var(--blue-dark)}

/* ===== GENRE BANNER GRID ===== */
.genre-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.genre-tile{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:16/7;cursor:pointer;text-decoration:none}
.genre-tile img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}
.genre-tile:hover img{transform:scale(1.05)}
.genre-tile-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.65) 0%,rgba(0,0,0,.1) 60%);display:flex;align-items:flex-end;padding:14px}
.genre-tile-name{color:#fff;font-size:14px;font-weight:900;text-transform:uppercase;letter-spacing:.8px}
.genre-tile:hover .genre-tile-name{text-decoration:underline}

/* ===== PROMO BANNER ===== */
.promo-banner{background:linear-gradient(135deg,#1a4a80,#2563a8);color:#fff;border-radius:8px;padding:28px 32px;display:flex;align-items:center;justify-content:space-between;gap:20px;margin:28px 0;flex-wrap:wrap}
.promo-banner h3{font-family:'Merriweather',serif;font-size:1.4rem;font-weight:700;margin-bottom:6px}
.promo-banner p{font-size:.9rem;opacity:.88;max-width:480px;line-height:1.6}
.btn-promo{background:#fff;color:var(--blue-dark);padding:11px 28px;border-radius:4px;font-size:14px;font-weight:700;border:none;white-space:nowrap;transition:all .2s;text-decoration:none;display:inline-block}
.btn-promo:hover{background:#e8f0fb;color:var(--blue-dark);text-decoration:none;transform:translateY(-1px)}

/* ===== NEWSLETTER ===== */
.newsletter{background:var(--bg-blue);border:1px solid #c5d8f0;border-radius:8px;padding:32px;text-align:center;margin:32px 0}
.newsletter h3{font-family:'Merriweather',serif;font-size:1.4rem;margin-bottom:8px;color:var(--blue-dark)}
.newsletter p{color:var(--text-mid);margin-bottom:20px;max-width:500px;margin-inline:auto}
.newsletter-form{display:flex;gap:10px;justify-content:center;max-width:460px;margin:0 auto;flex-wrap:wrap}
.newsletter-form input{flex:1;min-width:200px;padding:11px 16px;border:1.5px solid var(--border);border-radius:4px;font-size:14px;font-family:'Lato',sans-serif;outline:none;transition:border-color .2s}
.newsletter-form input:focus{border-color:var(--blue)}
.newsletter-form button{background:var(--blue);color:#fff;border:none;padding:11px 24px;border-radius:4px;font-size:14px;font-weight:700;transition:background .2s;white-space:nowrap}
.newsletter-form button:hover{background:var(--blue-dark)}

/* ===== BROWSE PAGE ===== */
.browse-layout{display:grid;grid-template-columns:220px 1fr;gap:28px;align-items:start}
.sidebar{position:sticky;top:80px}
.sidebar-box{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:16px}
.sidebar-box h4{font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.8px;color:var(--text-mid);margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid var(--border)}
.filter-list{list-style:none;display:flex;flex-direction:column;gap:4px}
.filter-list li a{display:flex;justify-content:space-between;align-items:center;padding:6px 8px;border-radius:4px;font-size:13.5px;color:var(--text);transition:background .15s;text-decoration:none}
.filter-list li a:hover,.filter-list li a.active{background:var(--bg-blue);color:var(--blue);text-decoration:none}
.filter-list li a .count{font-size:12px;color:var(--text-light);background:#f0f0f0;padding:1px 7px;border-radius:99px}

.price-filters{display:flex;flex-direction:column;gap:6px}
.price-filters label{display:flex;align-items:center;gap:8px;font-size:13.5px;cursor:pointer}
.price-filters input[type=checkbox]{accent-color:var(--blue);width:15px;height:15px}

.browse-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;flex-wrap:wrap;gap:10px}
.browse-title{font-family:'Merriweather',serif;font-size:1.4rem;font-weight:700;color:var(--text)}
.browse-count{font-size:13px;color:var(--text-mid)}
.sort-select{border:1.5px solid var(--border);border-radius:4px;padding:7px 12px;font-size:13.5px;font-family:'Lato',sans-serif;color:var(--text);background:#fff;cursor:pointer;outline:none}
.sort-select:focus{border-color:var(--blue)}

.pagination{display:flex;gap:4px;justify-content:center;margin-top:32px;flex-wrap:wrap}
.page-btn{padding:7px 13px;border:1.5px solid var(--border);background:#fff;border-radius:4px;font-size:13.5px;color:var(--text);cursor:pointer;transition:all .15s;font-family:'Lato',sans-serif}
.page-btn:hover{border-color:var(--blue);color:var(--blue);background:var(--bg-blue)}
.page-btn.active{background:var(--blue);color:#fff;border-color:var(--blue)}

/* ===== BOOK DETAIL PAGE ===== */
.detail-layout{display:grid;grid-template-columns:220px 1fr;gap:36px;align-items:start}
.detail-cover-col{position:sticky;top:80px}
.detail-cover{width:100%;border-radius:6px;box-shadow:0 8px 32px rgba(0,0,0,.18)}
.detail-action-box{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.btn-download{background:var(--blue);color:#fff;border:none;padding:13px;border-radius:4px;font-size:15px;font-weight:700;text-align:center;transition:background .2s;display:block;text-decoration:none}
.btn-download:hover{background:var(--blue-dark);text-decoration:none;color:#fff}
.btn-sample{background:#fff;color:var(--blue);border:2px solid var(--blue);padding:10px;border-radius:4px;font-size:14px;font-weight:700;text-align:center;transition:all .2s;cursor:pointer;display:block;text-decoration:none}
.btn-sample:hover{background:var(--bg-blue);text-decoration:none;color:var(--blue)}
.btn-wishlist{background:#fff;color:var(--text-mid);border:1.5px solid var(--border);padding:9px;border-radius:4px;font-size:13.5px;font-weight:700;text-align:center;transition:all .2s;cursor:pointer;display:block}
.btn-wishlist:hover{border-color:var(--orange);color:var(--orange)}
.detail-meta-box{background:var(--bg-gray);border:1px solid var(--border);border-radius:6px;padding:14px;font-size:13px;line-height:2;color:var(--text-mid);margin-top:14px}
.detail-meta-box strong{color:var(--text)}

.detail-info h1{font-family:'Merriweather',serif;font-size:1.8rem;font-weight:700;line-height:1.2;margin-bottom:6px}
.detail-author{font-size:1rem;color:var(--blue);margin-bottom:14px}
.detail-author a{color:var(--blue);font-weight:700}
.detail-rating-row{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.detail-stars{color:#f5a623;font-size:18px;letter-spacing:-1px}
.detail-rating-num{font-size:1.1rem;font-weight:700}
.detail-rating-count{font-size:13px;color:var(--text-light)}

.detail-price-row{display:flex;align-items:baseline;gap:12px;margin-bottom:20px}
.detail-price{font-size:2rem;font-weight:900;color:var(--text)}
.detail-price.free{color:var(--green)}
.detail-price-orig{font-size:1rem;color:var(--text-light);text-decoration:line-through}
.detail-save{background:#e8f5ee;color:var(--green);padding:3px 10px;border-radius:99px;font-size:13px;font-weight:700}

.detail-desc{font-size:17px;line-height:1.9;color:var(--text-mid);margin-bottom:20px;font-weight:300}
.detail-tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:24px}
.tag{background:var(--bg-gray);border:1px solid var(--border);color:var(--text-mid);padding:4px 12px;border-radius:99px;font-size:13px;text-decoration:none;transition:all .15s}
.tag:hover{background:var(--bg-blue);color:var(--blue);border-color:#c5d8f0;text-decoration:none}

.divider{border:none;border-top:1px solid var(--border);margin:24px 0}

.reviews-list{display:flex;flex-direction:column;gap:20px}
.review{border:1px solid var(--border);border-radius:6px;padding:18px}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.review-avatar{width:40px;height:40px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex-shrink:0}
.review-name{font-weight:700;font-size:14px}
.review-date{font-size:12px;color:var(--text-light)}
.review-text{font-size:14px;color:var(--text-mid);line-height:1.7}

/* ===== BREADCRUMB ===== */
.breadcrumb{font-size:13px;color:var(--text-light);margin-bottom:20px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.breadcrumb a{color:var(--blue)}
.breadcrumb span{color:var(--text-light)}

/* ===== PAGE HEADER ===== */
.page-header{background:var(--bg-blue);border-bottom:1px solid #c5d8f0;padding:24px 20px;margin-bottom:0}
.page-header-inner{max-width:1200px;margin:0 auto}
.page-header h1{font-family:'Merriweather',serif;font-size:1.6rem;font-weight:700;color:var(--blue-dark)}
.page-header p{color:var(--text-mid);margin-top:4px;font-size:14px}

/* ===== FOOTER ===== */
footer{background:#1a2840;color:rgba(255,255,255,.75);margin-top:60px}
.footer-top{max-width:1200px;margin:0 auto;padding:40px 20px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
.footer-brand .logo-text{font-family:'Merriweather',serif;font-size:1.2rem;font-weight:700;color:#fff;margin-bottom:10px}
.footer-brand .logo-text span{color:#ffa040;font-style:italic}
.footer-brand p{font-size:13px;line-height:1.7;max-width:220px;margin-top:8px}
.footer-col h5{color:#fff;font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.8px;margin-bottom:14px}
.footer-col a{display:block;color:rgba(255,255,255,.65);font-size:13.5px;margin-bottom:8px;text-decoration:none;transition:color .2s}
.footer-col a:hover{color:#fff;text-decoration:none}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:16px 20px;max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;font-size:13px;flex-wrap:wrap;gap:8px}
.footer-bottom a{color:rgba(255,255,255,.5);text-decoration:none;margin-left:14px}
.footer-bottom a:hover{color:#fff}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
.anim{animation:fadeUp .45s ease both}
.anim-d1{animation-delay:.05s}.anim-d2{animation-delay:.10s}.anim-d3{animation-delay:.15s}
.anim-d4{animation-delay:.20s}.anim-d5{animation-delay:.25s}.anim-d6{animation-delay:.30s}

/* ===== MISC ===== */
.section{margin-bottom:40px}
.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}
.text-center{text-align:center}
.text-muted{color:var(--text-mid)}
.fw-bold{font-weight:700}

@media(max-width:960px){
  .browse-layout,.detail-layout{grid-template-columns:1fr}
  .sidebar{position:static}
  .detail-cover-col{position:static;max-width:220px;margin:0 auto}
  .footer-top{grid-template-columns:1fr 1fr}
  .genre-grid{grid-template-columns:repeat(2,1fr)}
  .books-grid-6{grid-template-columns:repeat(4,1fr)}
  .navbar{position:relative}
}
/* ===== HAMBURGER BUTTON ===== */
.hamburger{
  display:none;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
  background:none;
  border:none;
  padding:6px;
  cursor:pointer;
  width:36px;
  height:36px;
  flex-shrink:0;
}
.hamburger span{
  display:block;
  width:22px;
  height:2.5px;
  background:var(--text);
  border-radius:2px;
  transition:all .25s ease;
  transform-origin:center;
}
.hamburger.active span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0;transform:scaleX(0)}
.hamburger.active span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

.nav-mobile-login{display:none}

@media(max-width:640px){
  .hero h1{font-size:1.7rem}
  .navbar-inner{flex-wrap:nowrap;height:60px;padding:0 16px;gap:0}
  .nav-menu{
    display:none;
    position:absolute;
    top:60px;
    left:0;
    right:0;
    background:#fff;
    flex-direction:column;
    border-top:2px solid var(--border);
    box-shadow:0 8px 24px rgba(0,0,0,.12);
    z-index:500;
    padding:8px 0 16px;
  }
  .nav-menu.open{display:flex}
  .nav-menu a{
    height:auto;
    padding:12px 20px;
    font-size:16px;
    border-bottom:none;
    border-left:3px solid transparent;
  }
  .nav-menu a:hover,.nav-menu a.active{
    border-bottom:none;
    border-left-color:var(--blue);
    background:var(--bg-blue);
    color:var(--blue);
  }
  .nav-mobile-login{display:block;margin-top:4px;background:var(--blue);color:#fff !important;text-align:center;border-radius:5px;margin:8px 16px 0;padding:10px !important;font-weight:700}
  .hamburger{display:flex}
  .btn-login-nav{display:none}
  .search-form{display:none}
  .footer-top{grid-template-columns:1fr}
  .genre-grid{grid-template-columns:repeat(2,1fr)}
  .books-grid-6{grid-template-columns:repeat(2,1fr)}

  /* ===== BOOK DETAIL MOBILE FIX ===== */
  .detail-cover-col{
    position:static !important;
    max-width:100% !important;
    margin:0 !important;
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:16px;
  }
  .detail-cover{
    max-width:180px !important;
    width:180px;
  }
  .detail-action-box{
    width:100%;
    max-width:340px;
  }
  .detail-meta-box{
    width:100%;
    max-width:340px;
  }
  .detail-layout{
    grid-template-columns:1fr !important;
    gap:24px;
  }
  .detail-hero-bg{
    padding:20px 16px;
  }
  .detail-info h1{
    font-size:1.4rem;
  }
  .detail-price{
    font-size:1.7rem;
  }
  .detail-desc{
    font-size:15px;
  }
}