:root{--primary:#4338ca;--primary-hover:#3730a3;--primary-light:#eef2ff;--primary-dark:#312e81;--primary-gradient:linear-gradient(135deg,#4f46e5 0%,#4338ca 100%);--primary-glow:rgba(79,70,229,0.28);--secondary:#059669;--secondary-hover:#047857;--secondary-light:#ecfdf5;--accent:#f59e0b;--accent-hover:#d97706;--accent-light:#fffbeb;--accent-gradient:linear-gradient(135deg,#fef08a 0%,#f59e0b 100%);--rose:#f43f5e;--rose-light:#ffe4e6;--danger:#ef4444;--danger-light:#fee2e2;--success:#10b981;--success-light:#d1fae5;--warning:#f97316;--bg-page:#f8fafc;--bg-surface:#ffffff;--bg-muted:#f1f5f9;--border:#e2e8f0;--border-light:#f8fafc;--border-focus:#6366f1;--text-main:#0f172a;--text-muted:#475569;--text-light:#94a3b8;--font-sans:'Nunito',system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;--font-serif:'Lora',Georgia,Cambria,'Times New Roman',serif;--container-max:1280px;--radius-xs:4px;--radius-sm:8px;--radius-md:12px;--radius-lg:18px;--radius-xl:24px;--radius-full:9999px;--shadow-xs:0 1px 2px 0 rgba(15,23,42,0.05);--shadow-sm:0 2px 4px 0 rgba(15,23,42,0.05);--shadow-md:0 6px 12px -2px rgba(15,23,42,0.08),0 3px 6px -2px rgba(15,23,42,0.04);--shadow-lg:0 14px 24px -4px rgba(15,23,42,0.1),0 4px 8px -4px rgba(15,23,42,0.04);--shadow-xl:0 24px 38px -6px rgba(15,23,42,0.14),0 8px 16px -6px rgba(15,23,42,0.06);--shadow-glow:0 0 24px rgba(79,70,229,0.28);--transition:all 0.22s cubic-bezier(0.4,0,0.2,1);--transition-bounce:all 0.35s cubic-bezier(0.34,1.56,0.64,1)}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);background-color:var(--bg-page);color:var(--text-main);line-height:1.6;min-height:100vh;display:flex;flex-direction:column}img,svg{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none;transition:var(--transition)}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer;border:none;background:none}:focus-visible{outline:3px solid var(--primary);outline-offset:2px}[data-lucide],.lucide,svg.lucide{display:inline-block;width:1.125rem;height:1.125rem;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;fill:none;vertical-align:-0.15em;flex-shrink:0;transition:transform 0.2s ease,color 0.2s ease}.lucide-xs,[data-lucide].lucide-xs,svg.lucide-xs{width:0.75rem;height:0.75rem;stroke-width:2.3}.lucide-sm,[data-lucide].lucide-sm,svg.lucide-sm{width:0.875rem;height:0.875rem;stroke-width:2.2}.lucide-md,[data-lucide].lucide-md,svg.lucide-md{width:1.125rem;height:1.125rem;stroke-width:2}.lucide-lg,[data-lucide].lucide-lg,svg.lucide-lg{width:1.375rem;height:1.375rem;stroke-width:2}.lucide-xl,[data-lucide].lucide-xl,svg.lucide-xl{width:1.75rem;height:1.75rem;stroke-width:1.8}.lucide-2xl,[data-lucide].lucide-2xl,svg.lucide-2xl{width:2.25rem;height:2.25rem;stroke-width:1.75}.container{width:100%;max-width:var(--container-max);margin-left:auto;margin-right:auto;padding-left:1rem;padding-right:1rem}@media (min-width:640px){.container{padding-left:1.5rem;padding-right:1.5rem}}@media (min-width:1024px){.container{padding-left:2rem;padding-right:2rem}}.site-header{position:sticky;top:0;z-index:50;background-color:rgba(255,255,255,0.96);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);transition:var(--transition)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:4.25rem;gap:1rem}@media (max-width:480px){.header-inner{height:3.75rem}.brand-logo{font-size:1.1875rem;gap:0.5rem}.brand-icon{width:2rem;height:2rem;font-size:0.95rem}}.brand-logo{display:flex;align-items:center;gap:0.625rem;font-size:1.375rem;font-weight:800;color:var(--primary);letter-spacing:-0.02em}.brand-icon{width:2.25rem;height:2.25rem;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.125rem;box-shadow:0 4px 10px rgba(79,70,229,0.3)}.nav-desktop{display:none;align-items:center;gap:1.75rem}@media (min-width:860px){.nav-desktop{display:flex}}.nav-link{font-weight:600;color:var(--text-muted);font-size:0.9375rem;position:relative;padding:0.5rem 0}.nav-link:hover,.nav-link.active{color:var(--primary)}.nav-link.active::after{content:'';position:absolute;bottom:0;left:0;width:100%;height:2px;background-color:var(--primary);border-radius:var(--radius-full)}.header-actions{display:flex;align-items:center;gap:0.75rem}.header-search-box{position:relative;display:flex;align-items:center}.header-search-box input{height:2.25rem;width:140px;padding:0.25rem 0.75rem 0.25rem 2rem;background:var(--bg-muted);border:1px solid var(--border);border-radius:var(--radius-full);font-size:0.8125rem;color:var(--text-main);transition:var(--transition)}.header-search-box input:focus{width:180px;background:#ffffff;border-color:var(--primary);outline:none;box-shadow:0 0 0 3px var(--primary-light)}.header-search-icon{position:absolute;left:0.65rem;color:var(--text-light);pointer-events:none}@media (max-width:768px){.header-search-box{display:none}}.lang-switch-pill{display:inline-flex;align-items:center;background:var(--bg-muted);border:1px solid var(--border);border-radius:var(--radius-full);padding:0.15rem 0.35rem;font-size:0.75rem;font-weight:700;letter-spacing:0.02em}.lang-option{color:var(--text-muted);padding:0.15rem 0.4rem;border-radius:var(--radius-full);transition:var(--transition);text-decoration:none}.lang-option:hover{color:var(--primary)}.lang-option.active{background:#ffffff;color:var(--primary);box-shadow:0 1px 3px rgba(15,23,42,0.08)}.lang-sep{color:var(--text-light);font-size:0.6875rem;margin:0 0.1rem}.search-trigger-btn,.cart-btn,.menu-toggle-btn{display:flex;align-items:center;justify-content:center;width:2.625rem;height:2.625rem;border-radius:var(--radius-full);color:var(--text-main);background:var(--bg-muted);transition:var(--transition);position:relative}.search-trigger-btn:hover,.cart-btn:hover,.menu-toggle-btn:hover{background:var(--primary-light);color:var(--primary)}.cart-badge{position:absolute;top:-2px;right:-2px;background-color:var(--danger);color:#fff;font-size:0.6875rem;font-weight:800;min-width:1.125rem;height:1.125rem;padding:0 0.25rem;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;border:2px solid #fff}.auth-btn-group{display:none;align-items:center;gap:0.625rem}@media (min-width:640px){.auth-btn-group{display:flex}}@media (min-width:860px){.menu-toggle-btn{display:none}}.user-dropdown-container{position:relative}.user-menu-btn{display:flex;align-items:center;gap:0.5rem;padding:0.375rem 0.75rem;background:var(--bg-muted);border-radius:var(--radius-full);font-weight:600;font-size:0.875rem}.user-avatar-sm{width:1.75rem;height:1.75rem;border-radius:var(--radius-full);object-fit:cover}.dropdown-menu{position:absolute;top:100%;right:0;margin-top:0.5rem;width:13rem;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);display:none;flex-direction:column;padding:0.5rem;z-index:100}.dropdown-menu.show{display:flex}.dropdown-item{display:flex;align-items:center;gap:0.625rem;padding:0.625rem 0.875rem;border-radius:var(--radius-sm);font-size:0.875rem;font-weight:500;color:var(--text-main)}.dropdown-item:hover{background:var(--bg-muted);color:var(--primary)}.dropdown-divider{height:1px;background:var(--border);margin:0.375rem 0}.mobile-nav-backdrop{position:fixed;inset:0;background:rgba(15,23,42,0.6);backdrop-filter:blur(4px);z-index:90;opacity:0;pointer-events:none;transition:opacity 0.3s ease}.mobile-nav-drawer{position:fixed;top:0;right:0;bottom:0;width:80%;max-width:22rem;background:var(--bg-surface);z-index:100;box-shadow:var(--shadow-xl);transform:translateX(100%);transition:transform 0.3s cubic-bezier(0.16,1,0.3,1);display:flex;flex-direction:column;padding:1.5rem;overflow-y:auto}.mobile-nav-backdrop.open{opacity:1;pointer-events:auto}.mobile-nav-drawer.open{transform:translateX(0)}.mobile-nav-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:2rem;padding-bottom:1rem;border-bottom:1px solid var(--border)}.mobile-nav-links{display:flex;flex-direction:column;gap:1rem}.mobile-nav-links a{font-size:1.125rem;font-weight:600;padding:0.5rem 0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;padding:0.625rem 1.25rem;border-radius:var(--radius-md);font-weight:600;font-size:0.9375rem;transition:var(--transition);text-align:center;min-height:2.75rem}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 2px 4px rgba(79,70,229,0.2)}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 8px rgba(79,70,229,0.3)}.btn-secondary{background:var(--secondary);color:#fff}.btn-secondary:hover{background:var(--secondary-hover)}.btn-outline{border:1px solid var(--border);background:var(--bg-surface);color:var(--text-main)}.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.btn-sm{padding:0.375rem 0.875rem;font-size:0.8125rem;min-height:2.25rem}.btn-lg{padding:0.875rem 1.75rem;font-size:1.0625rem;border-radius:var(--radius-lg)}.btn-block{width:100%}.btn-icon-only{width:2.75rem;height:2.75rem;padding:0;border-radius:var(--radius-md)}.form-group{margin-bottom:1.25rem}.form-label{display:block;font-size:0.875rem;font-weight:600;margin-bottom:0.375rem;color:var(--text-main)}.form-control{width:100%;padding:0.6875rem 0.875rem;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-md);font-size:0.9375rem;transition:var(--transition);min-height:2.75rem}.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,0.15)}textarea.form-control{min-height:6rem;resize:vertical}.hero-section{position:relative;background:#0f172a;border-bottom:1px solid #1e293b;color:#fff;padding:3.5rem 0 4rem}@media (min-width:640px){.hero-section{padding:4.5rem 0 5.25rem}}@media (min-width:1024px){.hero-section{padding:5.5rem 0 6.25rem}}.hero-grid{display:grid;grid-template-columns:1fr;gap:2.5rem;align-items:center}@media (min-width:900px){.hero-grid{grid-template-columns:1.15fr 0.85fr;gap:3.5rem}}.hero-title{font-family:var(--font-serif);font-size:clamp(2rem,4.2vw+0.5rem,3.5rem);font-weight:800;line-height:1.18;letter-spacing:-0.02em;margin-bottom:1.25rem;color:#ffffff}.hero-title span{color:#fbbf24;display:inline}.hero-description{font-size:clamp(1rem,1.8vw,1.125rem);color:#cbd5e1;margin-bottom:2rem;max-width:36rem;line-height:1.7}.hero-actions{display:flex;flex-direction:column;gap:1rem;align-items:flex-start;margin-bottom:2.25rem}@media (min-width:520px){.hero-actions{flex-direction:row;align-items:center;gap:1.5rem}}.btn-hero-quiet{color:#94a3b8;font-size:0.9375rem;font-weight:600;text-decoration:underline;text-underline-offset:4px;display:inline-flex;align-items:center;gap:0.375rem;padding:0.5rem 0.25rem;transition:var(--transition)}.btn-hero-quiet:hover{color:#f8fafc;text-decoration-color:var(--accent)}.hero-trust-badges{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,0.12)}@media (min-width:768px){.hero-trust-badges{display:flex;flex-wrap:wrap;gap:1.75rem}}.trust-item{display:flex;align-items:center;gap:0.625rem;font-size:0.875rem;font-weight:600;color:#e2e8f0}.trust-item i{color:var(--accent);font-size:1rem}.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;width:100%}.hero-book-stack{position:relative;width:100%;max-width:16rem}@media (min-width:480px){.hero-book-stack{max-width:19rem}}@media (min-width:900px){.hero-book-stack{max-width:21rem}}.hero-book-front{position:relative;z-index:2;border-radius:var(--radius-md);box-shadow:0 20px 45px -10px rgba(0,0,0,0.6),0 0 35px rgba(99,102,241,0.25);transition:var(--transition-bounce);width:100%;height:auto;display:block}@media (min-width:768px){.hero-book-front{transform:rotate(-3deg)}.hero-book-front:hover{transform:rotate(0deg) scale(1.03)}}.hero-floating-card{position:relative;margin-top:1rem;z-index:3;background:rgba(255,255,255,0.95);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);color:var(--text-main);padding:0.875rem 1.125rem;border-radius:var(--radius-md);box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:0.75rem;font-size:0.875rem;font-weight:700;border:1px solid rgba(255,255,255,0.8)}@media (min-width:640px){.hero-floating-card{position:absolute;bottom:-1rem;right:-1rem;margin-top:0;max-width:18rem}}.hero-floating-card i{color:var(--success);font-size:1.25rem;flex-shrink:0}.section-py{padding:3.5rem 0}@media (min-width:640px){.section-py{padding:4.5rem 0}}.section-light{background:var(--bg-surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.section-header{display:flex;flex-direction:column;align-items:flex-start;margin-bottom:2.25rem;gap:0.5rem}.section-header-center{text-align:center;align-items:center}@media (min-width:640px){.section-header.with-action{flex-direction:row;align-items:flex-end;justify-content:space-between}}.section-subtitle{font-size:0.8125rem;font-weight:800;text-transform:uppercase;letter-spacing:0.08em;color:var(--primary);display:inline-flex;align-items:center;gap:0.375rem}.section-title{font-family:var(--font-serif);font-size:clamp(1.75rem,3.5vw,2.5rem);font-weight:800;color:var(--text-main);line-height:1.22;letter-spacing:-0.015em}.category-filter-wrapper{position:relative;width:100%;margin:0 auto 2.5rem}.category-filter-bar{display:flex;align-items:center;gap:0.625rem;overflow-x:auto;padding:0.375rem 0.5rem 0.875rem;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x proximity;scroll-padding:0.5rem}.category-filter-bar::-webkit-scrollbar{display:none}@media (min-width:960px){.category-filter-bar{justify-content:center;flex-wrap:wrap;overflow-x:visible;padding-bottom:0.5rem}}.category-chip{display:inline-flex;align-items:center;gap:0.5625rem;padding:0.625rem 1.25rem;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-full);font-size:0.875rem;font-weight:700;color:var(--text-muted);white-space:nowrap;transition:all 0.2s cubic-bezier(0.16,1,0.3,1);scroll-snap-align:start;min-height:2.75rem;box-shadow:0 1px 3px rgba(0,0,0,0.04);text-decoration:none;cursor:pointer}.category-chip [data-lucide],.category-chip .lucide,.category-chip svg.lucide{width:1.0625rem;height:1.0625rem;stroke-width:2.2;color:var(--primary);transition:transform 0.2s ease}.category-chip:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light);transform:translateY(-2px);box-shadow:0 4px 12px rgba(67,56,202,0.12)}.category-chip:hover [data-lucide],.category-chip:hover .lucide,.category-chip:hover svg.lucide{transform:scale(1.15)}.category-chip.active{background:linear-gradient(135deg,var(--primary) 0%,#312e81 100%);color:#ffffff;border-color:var(--primary);box-shadow:0 4px 14px rgba(67,56,202,0.35)}.category-chip.active [data-lucide],.category-chip.active .lucide,.category-chip.active svg.lucide{color:#ffffff}.products-grid{display:grid;grid-template-columns:repeat(1,minmax(0,1fr));gap:1.5rem}@media (min-width:480px){.products-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem}}@media (min-width:820px){.products-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:1.75rem}}@media (min-width:1140px){.products-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:2rem}}.book-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;display:flex;flex-direction:column;transition:var(--transition);position:relative;box-shadow:var(--shadow-xs)}.book-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(67,56,202,0.35)}.book-card-cover-wrapper{position:relative;background:linear-gradient(180deg,#f1f5f9 0%,#e2e8f0 100%);aspect-ratio:5 / 7.2;overflow:hidden;display:flex;align-items:center;justify-content:center}.book-card-cover{width:100%;height:100%;object-fit:cover;transition:transform 0.45s cubic-bezier(0.16,1,0.3,1)}.book-card:hover .book-card-cover{transform:scale(1.05)}.book-badge-container{position:absolute;top:0.75rem;left:0.75rem;display:flex;flex-direction:column;align-items:flex-start;gap:0.375rem;z-index:3;pointer-events:none}.quick-preview-btn{position:absolute;bottom:0.75rem;right:0.75rem;background:rgba(255,255,255,0.95);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:var(--text-main);padding:0.45rem 0.875rem;border-radius:var(--radius-full);font-size:0.75rem;font-weight:700;box-shadow:0 4px 12px rgba(0,0,0,0.15);display:inline-flex;align-items:center;gap:0.4rem;z-index:3;transition:all 0.2s cubic-bezier(0.16,1,0.3,1);border:1px solid rgba(255,255,255,0.85);cursor:pointer}.quick-preview-btn [data-lucide],.quick-preview-btn .lucide,.quick-preview-btn svg.lucide{width:0.875rem;height:0.875rem;stroke-width:2.2;color:var(--primary);transition:transform 0.2s ease,color 0.2s ease}.quick-preview-btn:hover{background:var(--primary);color:#ffffff;border-color:var(--primary);transform:translateY(-2px);box-shadow:0 6px 16px rgba(67,56,202,0.35)}.quick-preview-btn:hover [data-lucide],.quick-preview-btn:hover .lucide,.quick-preview-btn:hover svg.lucide{color:#ffffff}@media (min-width:769px){.quick-preview-btn{opacity:0;transform:translateY(6px)}.book-card:hover .quick-preview-btn{opacity:1;transform:translateY(0)}}@media (max-width:768px){.quick-preview-btn{opacity:1;transform:translateY(0);padding:0.375rem 0.75rem;font-size:0.72rem}}@media (max-width:768px){.quick-preview-btn{opacity:1;transform:translateY(0);padding:0.4rem 0.75rem;font-size:0.72rem}}.value-props-grid{display:grid;grid-template-columns:repeat(1,minmax(0,1fr));gap:1.5rem}@media (min-width:540px){.value-props-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (min-width:992px){.value-props-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}.value-prop-card{text-align:center;padding:2rem 1.5rem;background:var(--bg-surface);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-xs);transition:var(--transition)}.value-prop-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(67,56,202,0.3)}.value-prop-icon{width:4rem;height:4rem;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-size:1.75rem;margin:0 auto 1.25rem}.icon-primary{background:var(--primary-light);color:var(--primary)}.icon-emerald{background:var(--secondary-light);color:var(--secondary)}.icon-gold{background:var(--accent-light);color:#d97706}.icon-rose{background:var(--rose-light);color:var(--rose)}.value-prop-title{font-size:1.125rem;font-weight:800;color:var(--text-main);margin-bottom:0.5rem}.value-prop-desc{color:var(--text-muted);font-size:0.9375rem;line-height:1.6}.testimonials-grid{display:grid;grid-template-columns:repeat(1,minmax(0,1fr));gap:1.5rem}@media (min-width:768px){.testimonials-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}.testimonial-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.75rem;display:flex;flex-direction:column;box-shadow:var(--shadow-xs);transition:var(--transition)}.testimonial-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}.testimonial-rating{color:var(--accent);margin-bottom:0.75rem;font-size:0.875rem}.testimonial-headline{font-size:1.0625rem;font-weight:800;margin-bottom:0.5rem;color:var(--text-main)}.testimonial-comment{color:var(--text-muted);font-size:0.9375rem;line-height:1.7;flex-grow:1;margin-bottom:1.25rem}.testimonial-footer{border-top:1px solid var(--border);padding-top:1rem;display:flex;align-items:center;justify-content:space-between;font-size:0.8125rem;gap:0.5rem}.testimonial-author{font-weight:800;color:var(--text-main);display:flex;align-items:center;gap:0.375rem}.testimonial-author i{color:var(--success)}.testimonial-book{color:var(--primary);font-weight:700;text-align:right}.cta-section{background:radial-gradient(circle at 10% 20%,rgba(254,240,138,0.18) 0%,transparent 40%),radial-gradient(circle at 90% 80%,rgba(244,63,94,0.15) 0%,transparent 40%),linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);color:#fff;padding:4.5rem 0;text-align:center}.cta-container{max-width:44rem}.cta-title{font-family:var(--font-serif);font-size:clamp(1.875rem,4.5vw,2.75rem);font-weight:800;margin-bottom:1rem;line-height:1.2}.cta-description{font-size:clamp(1rem,2vw,1.15rem);color:#f1f5f9;margin-bottom:2rem;line-height:1.7}.coupon-pill{background:#fff;color:var(--primary);padding:4px 12px;border-radius:var(--radius-sm);font-family:monospace;font-size:1.125rem;letter-spacing:0.05em;box-shadow:var(--shadow-sm);display:inline-block}.btn-cta-light{background:#ffffff;color:var(--primary);font-weight:800;box-shadow:0 10px 25px -5px rgba(0,0,0,0.25)}.btn-cta-light:hover{background:#f8fafc;color:var(--primary-hover);transform:translateY(-2px);box-shadow:0 15px 30px -5px rgba(0,0,0,0.3)}.badge{display:inline-flex;align-items:center;gap:0.35rem;padding:0.3125rem 0.6875rem;border-radius:var(--radius-full);font-size:0.6875rem;font-weight:800;text-transform:uppercase;letter-spacing:0.06em;line-height:1;box-shadow:0 2px 6px rgba(0,0,0,0.08);white-space:nowrap;transition:transform 0.15s ease}.badge [data-lucide],.badge .lucide,.badge svg.lucide{width:0.75rem;height:0.75rem;stroke-width:2.6}.badge-sale{background:linear-gradient(135deg,#f43f5e 0%,#e11d48 100%);color:#ffffff;border:1px solid rgba(255,255,255,0.25);box-shadow:0 3px 10px rgba(244,63,94,0.32)}.badge-featured{background:linear-gradient(135deg,#f59e0b 0%,#d97706 100%);color:#1e1b4b;border:1px solid rgba(255,255,255,0.35);box-shadow:0 3px 10px rgba(245,158,11,0.3)}.badge-bestseller{background:linear-gradient(135deg,#6366f1 0%,#4338ca 100%);color:#ffffff;border:1px solid rgba(255,255,255,0.25);box-shadow:0 3px 10px rgba(99,102,241,0.35)}.badge-format{background:rgba(15,23,42,0.82);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#f8fafc;border:1px solid rgba(255,255,255,0.18);box-shadow:0 2px 8px rgba(0,0,0,0.22)}.badge-category{background:var(--primary-light);color:var(--primary);border:1px solid rgba(67,56,202,0.2)}.badge-success{background:var(--secondary-light);color:var(--secondary);border:1px solid rgba(5,150,105,0.2)}.product-header-badges{display:flex;align-items:center;gap:0.5rem;margin-bottom:0.75rem;flex-wrap:wrap}.book-card-body{padding:1.25rem;display:flex;flex-direction:column;flex-grow:1}.book-card-category{font-size:0.75rem;font-weight:700;color:var(--secondary);text-transform:uppercase;letter-spacing:0.05em;margin-bottom:0.375rem}.book-card-title{font-family:var(--font-serif);font-size:1.0625rem;font-weight:700;line-height:1.35;margin-bottom:0.25rem;color:var(--text-main);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.book-card-title a:hover{color:var(--primary)}.book-card-author{font-size:0.8125rem;color:var(--text-muted);margin-bottom:0.75rem}.book-card-rating{display:flex;align-items:center;gap:0.25rem;font-size:0.8125rem;color:var(--accent);margin-bottom:0.875rem}.rating-count{color:var(--text-light);font-size:0.75rem;margin-left:0.25rem}.book-card-footer{margin-top:auto;padding-top:0.875rem;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.book-price-box{display:flex;align-items:baseline;gap:0.375rem}.price-current{font-size:1.25rem;font-weight:800;color:var(--text-main)}.price-original{font-size:0.875rem;color:var(--text-light);text-decoration:line-through}.reader-dialog{border:none;border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);max-width:48rem;width:92%;margin:auto;background:#fbfbf9;color:#292524;overflow:hidden;padding:0}.reader-dialog::backdrop{background:rgba(15,23,42,0.75);backdrop-filter:blur(4px)}.reader-toolbar{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;border-bottom:1px solid #e7e5e4;background:#f5f5f4}.reader-controls{display:flex;align-items:center;gap:0.75rem}.reader-body{padding:2.5rem 2rem;min-height:22rem;display:flex;flex-direction:column;justify-content:space-between}.reader-page-content{max-width:36rem;margin:0 auto}.reader-page-title{font-family:var(--font-serif);font-size:1.75rem;font-weight:700;margin-bottom:1.25rem;color:#1c1917}.reader-page-text{font-family:var(--font-serif);font-size:1.25rem;line-height:1.9;color:#44403c}.reader-nav-footer{display:flex;align-items:center;justify-content:space-between;margin-top:2rem;padding-top:1rem;border-top:1px solid #e7e5e4}.reader-dialog.theme-dark{background:#18181b;color:#f4f4f5}.reader-dialog.theme-dark .reader-toolbar{background:#27272a;border-color:#3f3f46}.reader-dialog.theme-dark .reader-page-title{color:#ffffff}.reader-dialog.theme-dark .reader-page-text{color:#d4d4d8}.product-detail-grid{display:grid;grid-template-columns:1fr;gap:2.5rem;margin-bottom:4rem}@media (min-width:860px){.product-detail-grid{grid-template-columns:0.9fr 1.1fr}}.product-gallery-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.5rem;display:flex;flex-direction:column;align-items:center;gap:1.25rem}.product-main-cover{width:100%;max-width:24rem;border-radius:var(--radius-md);box-shadow:var(--shadow-lg)}.product-meta-specs{display:grid;grid-template-columns:repeat(2,1fr);gap:0.75rem;margin:1.5rem 0;padding:1rem;background:var(--bg-muted);border-radius:var(--radius-md)}.meta-spec-item{display:flex;flex-direction:column}.meta-spec-label{font-size:0.75rem;color:var(--text-muted);text-transform:uppercase;font-weight:700}.meta-spec-value{font-size:0.9375rem;font-weight:700;color:var(--text-main)}.product-sample-actions{display:flex;flex-direction:column;gap:0.75rem;width:100%;max-width:24rem}@media (min-width:480px){.product-sample-actions{flex-direction:row}}.product-buy-actions{display:grid;grid-template-columns:1fr;gap:0.75rem;margin-bottom:1.25rem}@media (min-width:480px){.product-buy-actions{grid-template-columns:1fr 1fr}}.cart-layout{display:grid;grid-template-columns:1fr;gap:2rem}@media (min-width:960px){.cart-layout{grid-template-columns:1fr 22rem}}.cart-items-card,.cart-summary-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.5rem}.cart-item-row{display:grid;grid-template-columns:4rem 1fr auto;gap:1.25rem;align-items:center;padding:1.25rem 0;border-bottom:1px solid var(--border)}.cart-item-row:last-child{border-bottom:none}.cart-item-cover{width:4.25rem;height:5.85rem;object-fit:cover;border-radius:var(--radius-sm);box-shadow:var(--shadow-sm)}@media (max-width:580px){.cart-item-row{grid-template-columns:3.75rem 1fr;gap:0.875rem;align-items:flex-start}.cart-item-row>div:last-child{grid-column:1 / -1;display:flex;justify-content:space-between;align-items:center;width:100%;padding-top:0.75rem;border-top:1px dashed var(--border)}}.flash-messages-container{margin-bottom:1.5rem}.alert{display:flex;align-items:center;gap:0.75rem;padding:0.875rem 1.25rem;border-radius:var(--radius-md);margin-bottom:0.75rem;font-size:0.9375rem}.alert-success{background:var(--success-light);color:#065f46;border:1px solid #a7f3d0}.alert-danger{background:var(--danger-light);color:#991b1b;border:1px solid #fecaca}.alert-close{margin-left:auto;font-size:1.25rem;line-height:1;color:inherit;opacity:0.7}.alert-close:hover{opacity:1}.toast-container{position:fixed;bottom:1.5rem;right:1.5rem;z-index:1000;display:flex;flex-direction:column;gap:0.5rem}.toast{background:var(--text-main);color:#fff;padding:0.75rem 1.25rem;border-radius:var(--radius-md);box-shadow:var(--shadow-lg);font-size:0.875rem;font-weight:600;display:flex;align-items:center;gap:0.5rem;animation:slideIn 0.3s cubic-bezier(0.16,1,0.3,1)}@keyframes slideIn{from{transform:translateY(1rem);opacity:0}to{transform:translateY(0);opacity:1}}.site-footer{margin-top:auto;background:#0f172a;color:#94a3b8;padding:2.5rem 0 2rem;border-top:1px solid #1e293b}.footer-compact-inner{display:flex;flex-direction:column;gap:1.5rem}@media (min-width:768px){.footer-compact-inner{flex-direction:row;justify-content:space-between;align-items:center}}.footer-compact-brand{display:flex;align-items:center;gap:0.75rem}.footer-compact-links{display:flex;flex-wrap:wrap;gap:1.25rem;align-items:center;font-size:0.875rem}.footer-compact-links a{color:#94a3b8;transition:var(--transition)}.footer-compact-links a:hover{color:#ffffff}.footer-meta-line{padding-top:1.25rem;margin-top:1.5rem;border-top:1px solid #1e293b;display:flex;flex-direction:column;gap:0.75rem;font-size:0.8125rem;color:#64748b}@media (min-width:768px){.footer-meta-line{flex-direction:row;justify-content:space-between;align-items:center}}.audience-shelves-grid{display:grid;grid-template-columns:1fr;gap:1.25rem;margin-top:1.5rem}@media (min-width:680px){.audience-shelves-grid{grid-template-columns:repeat(3,1fr)}}.audience-shelf-card{background:#ffffff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.25rem;display:flex;align-items:center;gap:1.125rem;transition:var(--transition);box-shadow:var(--shadow-xs);position:relative;text-decoration:none}.audience-shelf-card:hover{border-color:var(--primary);transform:translateY(-3px);box-shadow:var(--shadow-md)}.audience-shelf-card .shelf-crop{width:4.5rem;height:5.75rem;border-radius:var(--radius-sm);object-fit:cover;box-shadow:0 4px 10px rgba(15,23,42,0.12);flex-shrink:0}.audience-shelf-card .shelf-meta{flex:1;min-width:0}.audience-shelf-card .shelf-tag{display:inline-block;font-size:0.6875rem;font-weight:800;letter-spacing:0.05em;text-transform:uppercase;color:var(--primary);margin-bottom:0.25rem}.audience-shelf-card .shelf-title{font-family:var(--font-serif);font-size:1.0625rem;font-weight:700;color:var(--text-main);margin-bottom:0.25rem;line-height:1.3}.audience-shelf-card .shelf-desc{font-size:0.8125rem;color:var(--text-muted);line-height:1.4}.audience-shelf-card .shelf-arrow{color:var(--text-light);transition:transform 0.2s ease,color 0.2s ease}.audience-shelf-card:hover .shelf-arrow{color:var(--primary);transform:translateX(3px)}.look-inside-tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:0.5rem;margin-bottom:2rem}.look-inside-tab-btn{padding:0.625rem 1.25rem;border-radius:var(--radius-full);background:var(--bg-surface);color:var(--text-muted);font-weight:700;font-size:0.875rem;border:1px solid var(--border);transition:var(--transition);display:inline-flex;align-items:center;gap:0.5rem}.look-inside-tab-btn:hover{background:var(--primary-light);color:var(--primary);border-color:var(--primary)}.look-inside-tab-btn.active{background:var(--primary);color:#ffffff;border-color:var(--primary);box-shadow:var(--shadow-sm)}.look-inside-panel{display:none}.look-inside-panel.active{display:grid;grid-template-columns:1fr;gap:2rem;align-items:center;animation:fadeIn 0.3s ease}@media (min-width:900px){.look-inside-panel.active{grid-template-columns:1.2fr 0.8fr}}.look-inside-preview-frame{background:#ffffff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:1rem;box-shadow:var(--shadow-sm);overflow:hidden;display:flex;align-items:center;justify-content:center}.look-inside-preview-frame img{width:100%;height:auto;border-radius:var(--radius-sm);box-shadow:0 4px 12px rgba(15,23,42,0.08)}.look-inside-details{background:#ffffff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:2rem;box-shadow:var(--shadow-xs)}.look-inside-details h3{font-family:var(--font-serif);font-size:1.375rem;font-weight:800;color:var(--text-main);margin-bottom:0.75rem}.look-inside-details p{color:var(--text-muted);font-size:0.9375rem;line-height:1.6;margin-bottom:1.25rem}.look-inside-features-list{list-style:none;display:flex;flex-direction:column;gap:0.625rem;margin-bottom:1.5rem}.look-inside-features-list li{display:flex;align-items:flex-start;gap:0.5rem;font-size:0.875rem;color:var(--text-main)}.look-inside-features-list i{color:var(--secondary);margin-top:0.125rem}.delivery-steps-grid{display:grid;grid-template-columns:1fr;gap:1.25rem;margin-top:2rem}@media (min-width:640px){.delivery-steps-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:1024px){.delivery-steps-grid{grid-template-columns:repeat(4,1fr)}}.delivery-step-card{background:#ffffff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.5rem;position:relative;box-shadow:var(--shadow-xs);transition:var(--transition)}.delivery-step-card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-md)}.delivery-step-num{width:2rem;height:2rem;border-radius:var(--radius-full);background:var(--primary-light);color:var(--primary);font-weight:800;font-size:0.875rem;display:flex;align-items:center;justify-content:center;margin-bottom:1rem}.delivery-step-card h3{font-size:1.0625rem;font-weight:700;color:var(--text-main);margin-bottom:0.5rem}.delivery-step-card p{font-size:0.875rem;color:var(--text-muted);line-height:1.5}.delivery-note-box{margin-top:1.5rem;background:var(--bg-muted);border-left:4px solid var(--primary);padding:1rem 1.25rem;border-radius:var(--radius-sm);font-size:0.875rem;color:var(--text-main);display:flex;align-items:flex-start;gap:0.75rem}.payment-option-card{border:2px solid var(--border);border-radius:var(--radius-md);padding:1.125rem;cursor:pointer;transition:var(--transition);display:flex;align-items:flex-start;gap:0.875rem;background:#ffffff}.payment-option-card:hover{border-color:var(--primary);background:var(--primary-light)}.payment-option-card.active{border-color:var(--primary);background:var(--primary-light);box-shadow:0 0 0 1px var(--primary)}.gcash-box{background:#f0fdf4;border:1px solid #bbf7d0;border-radius:var(--radius-lg);padding:1.5rem;margin-top:1rem;display:none}.gcash-box.show{display:block;animation:fadeIn 0.25s ease}.gcash-qr-image{max-width:14rem;width:100%;border-radius:var(--radius-md);box-shadow:var(--shadow-sm);border:2px solid #ffffff}.order-status-banner{border-radius:var(--radius-lg);padding:2.25rem 1.75rem;text-align:center;margin-bottom:2rem;box-shadow:var(--shadow-sm)}.order-status-banner.status-pending{background:#fffbeb;border:1px solid #fde68a;color:#92400e}.order-status-banner.status-paid{background:#f0fdf4;border:1px solid #bbf7d0;color:#166534}.meta-pill{display:inline-flex;align-items:center;gap:0.25rem;padding:0.2rem 0.5rem;border-radius:var(--radius-full);font-size:0.75rem;font-weight:700;background:var(--bg-muted);color:var(--text-muted);border:1px solid var(--border)}.meta-pill-primary{background:var(--primary-light);color:var(--primary);border-color:#c7d2fe}.meta-pill-emerald{background:var(--secondary-light);color:var(--secondary);border-color:#a7f3d0}.meta-pills-row{display:flex;flex-wrap:wrap;gap:0.375rem;margin:0.5rem 0}.currency-switch-pill{display:inline-flex;align-items:center;background:var(--bg-surface);border:1px solid var(--border);border-radius:9999px;padding:0 0.375rem;height:2.125rem;box-shadow:var(--shadow-sm);transition:border-color 0.15s ease}.currency-switch-pill:hover,.currency-switch-pill:focus-within{border-color:var(--primary)}.currency-select-inline{border:none;background:transparent;font-family:inherit;font-size:0.75rem;font-weight:800;color:var(--text-main);cursor:pointer;outline:none;padding:2px 2px}