@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Playfair+Display:wght@700;800;900&display=swap";
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components;@layer utilities{.collapse{visibility:collapse}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.sticky{position:sticky}.start{inset-inline-start:var(--spacing)}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.block{display:block}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline{display:inline}.inline-block{display:inline-block}.inline-flex{display:inline-flex}.flex-shrink{flex-shrink:1}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) 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var(--tw-backdrop-sepia,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}}:root{--primary:#112a46;--primary-mid:#1e406d;--primary-light:#f0f4f8;--primary-dark:#091626;--orange:#c59a5c;--orange-light:#f9f4ec;--orange-dark:#a37c42;--secondary:#b38b59;--secondary-dark:#8f6d42;--bg:#fff;--bg-alt:#f8fafc;--bg-warm:#fdfbf7;--bg-gray:#f1f5f9;--text:#0f172a;--text-mid:#334155;--text-soft:#64748b;--border:#e2e8f0;--border-light:#f1f5f9;--green:#10b981;--red:#ef4444;--navy:var(--text);--navy-light:var(--text-mid);--navy-dark:#020617;--cream:var(--bg-alt);--cream-dark:var(--border);--white:#fff;--gray-50:#f8fafc;--gray-100:#f1f5f9;--gray-200:#e2e8f0;--gray-600:var(--text-soft);--gray-700:var(--text-mid);--gray-800:var(--text);--font-sans:"Inter", system-ui, sans-serif;--font-display:"Playfair Display", Georgia, serif;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-full:9999px;--shadow-sm:0 1px 2px #112a460a;--shadow-md:0 4px 6px #112a4614;--shadow-lg:0 10px 15px #112a4614;--shadow-xl:0 20px 25px #112a461f}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-sans);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;line-height:1.6}.math-bg{background:linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 45%, var(--primary-mid) 100%);background-image:linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-mid) 100%), url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400'%3E%3Ctext x='20' y='40' font-family='Georgia' font-size='16' fill='rgba(255,255,255,0.03)' transform='rotate(-15 20 40)'%3Eax%C2%B2%2Bbx%2Bc%3D0%3C/text%3E%3Ctext 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h1,.math-bg .hero-title{color:#fff!important}.math-bg p,.math-bg .hero-sub{color:#ffffffb3!important}.font-display{font-family:var(--font-display)}.btn-primary{background:var(--primary);color:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow-md);cursor:pointer;white-space:nowrap;border:none;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:1rem;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 6px 8px #112a4640}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--primary-light);color:var(--primary-dark);border-radius:var(--radius-md);cursor:pointer;white-space:nowrap;border:none;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:1rem;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.btn-secondary:hover{background:var(--border);color:var(--text)}.btn-navy{background:var(--primary);color:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow-md);cursor:pointer;white-space:nowrap;border:none;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:1rem;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.btn-navy:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 6px 8px #112a4640}.btn-whatsapp{color:#fff;border-radius:var(--radius-full);cursor:pointer;white-space:nowrap;background:#25d366;border:none;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:.9rem;font-weight:600;text-decoration:none;transition:all .22s;display:inline-flex}.btn-whatsapp:hover{background:#1da850;transform:translateY(-2px);box-shadow:0 8px 24px #25d3664d}.btn-outline-orange{color:var(--orange);border-radius:var(--radius-full);border:2px solid var(--orange);cursor:pointer;white-space:nowrap;background:0 0;justify-content:center;align-items:center;gap:8px;padding:11px 28px;font-size:.95rem;font-weight:600;text-decoration:none;transition:all .22s;display:inline-flex}.btn-outline-orange:hover{background:#fb923c14;transform:translateY(-2px)}.card{border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-sm);background:#fff;transition:all .2s}.card:hover{box-shadow:var(--shadow-lg);border-color:var(--primary);transform:translateY(-2px)}.form-input{border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);background:#fff;width:100%;padding:10px 14px;font-size:1rem;transition:all .2s}.form-input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 2px #112a4626}.form-input::placeholder{color:var(--text-soft)}.modal-content{border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);background:#fff;width:100%;max-width:600px;padding:32px;animation:.2s fadeIn;position:relative}@keyframes fadeIn{0%{opacity:0;transform:scale(.98)}to{opacity:1;transform:scale(1)}}.section{padding:80px 0}.section-sm{padding:48px 0}.container{max-width:1200px;margin:0 auto;padding:0 24px}.price-original{color:var(--red);font-size:1rem;font-weight:600;text-decoration:line-through}.price-discounted{color:var(--primary);font-size:1.5rem;font-weight:800}.badge{border-radius:var(--radius-full);letter-spacing:.05em;text-transform:uppercase;padding:4px 12px;font-size:.75rem;font-weight:700;display:inline-block}.badge-featured{background:linear-gradient(135deg, var(--orange), var(--orange-light));color:#fff}.gradient-text{background:linear-gradient(135deg, var(--primary), var(--orange));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in-up{animation:.6s both fadeInUp}::-webkit-scrollbar{width:7px}::-webkit-scrollbar-track{background:var(--bg-gray)}::-webkit-scrollbar-thumb{background:var(--secondary);border-radius:99px}::-webkit-scrollbar-thumb:hover{background:var(--primary)}a:focus-visible,button:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:4px}details>summary{list-style:none}details>summary::-webkit-details-marker{display:none}@media (max-width:768px){.section{padding:52px 0}.section-sm{padding:28px 0}.container{padding:0 16px}}.hero-container{z-index:1;grid-template-columns:1.2fr 1fr;align-items:center;gap:60px;display:grid;position:relative}.hero-content{max-width:700px}.hero-visual{justify-content:center;align-items:center;min-height:400px;display:flex;position:relative}.books-stack{width:100%;max-width:400px;height:450px;position:relative}.book-image{border-radius:12px;width:220px;height:auto;transition:transform .3s;position:absolute;box-shadow:0 20px 60px #00000040}.book-1{z-index:3;top:0;left:0;transform:rotate(-8deg)}.book-2{z-index:2;top:40px;right:20px;transform:rotate(5deg)}.book-3{z-index:1;bottom:20px;left:40px;transform:rotate(-3deg)}.books-stack:hover .book-1{transform:rotate(-12deg)translateY(-10px)}.books-stack:hover .book-2{transform:rotate(8deg)translateY(-5px)}.books-stack:hover .book-3{transform:rotate(-5deg)translateY(-5px)}@media (max-width:900px){.hero-container{grid-template-columns:1fr;gap:40px}.hero-visual{order:-1;min-height:300px}.books-stack{max-width:300px;height:350px}.book-image{width:180px}}.mobile-menu{z-index:9999;visibility:hidden;opacity:0;width:100%;height:100%;transition:visibility 0s .3s,opacity .3s;position:fixed;top:0;left:0}.mobile-menu.active{visibility:visible;opacity:1;transition:visibility,opacity .3s}.mobile-menu-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#00000080;width:100%;height:100%;position:absolute;top:0;left:0}.mobile-menu-drawer{background:#fff;width:85%;max-width:400px;height:100%;padding:24px;transition:transform .3s ease-out;position:absolute;top:0;right:0;overflow-y:auto;transform:translate(100%);box-shadow:-4px 0 24px #00000026}.mobile-menu.active .mobile-menu-drawer{transform:translate(0)}.mobile-menu-close{color:var(--text);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:8px;transition:background .2s;position:absolute;top:20px;right:20px}.mobile-menu-close:hover{background:var(--bg-alt)}.mobile-menu-logo{width:180px;margin-bottom:32px;padding-top:8px}.mobile-menu-logo img{width:100%;height:auto}.mobile-menu-nav{flex-direction:column;gap:4px;margin-bottom:24px;display:flex}.mobile-nav-link{color:var(--text);border-radius:8px;padding:14px 16px;font-size:1rem;font-weight:500;text-decoration:none;transition:all .2s;display:block}.mobile-nav-link:hover,.mobile-nav-link:active{background:var(--bg-alt);color:var(--primary)}.mobile-menu-ctas{border-top:1px solid var(--border);border-bottom:1px solid var(--border);flex-direction:column;gap:12px;margin-bottom:20px;padding:20px 0;display:flex}.mobile-cta{text-align:center;justify-content:center;align-items:center;gap:8px;width:100%;padding:12px 20px;font-size:.95rem;display:flex}.mobile-menu-contact{flex-direction:column;gap:12px;display:flex}.mobile-contact-item{color:var(--text-mid);border-radius:6px;align-items:center;gap:10px;padding:10px 12px;font-size:.9rem;text-decoration:none;transition:all .2s;display:flex}.mobile-contact-item:hover{background:var(--bg-alt);color:var(--primary)}.mobile-contact-item svg{flex-shrink:0}.book-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));align-items:start;gap:24px;display:grid}.book-card{border:1px solid var(--border);background:#fff;border-radius:12px;flex-direction:column;height:100%;transition:all .3s;display:flex;overflow:hidden}.book-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px #00000014}.book-card .image-container{background:var(--bg-alt);justify-content:center;align-items:center;min-height:220px;padding:24px;display:flex;position:relative}.book-card .image-container img{object-fit:contain;border-radius:4px;max-width:130px;height:auto;transition:transform .3s;box-shadow:0 8px 32px #0000002e}.book-card:hover .image-container img{transform:scale(1.05)}.book-card .card-body{flex-direction:column;flex:1;gap:8px;padding:20px;display:flex}.book-card .title{color:var(--text);margin-bottom:4px;font-size:1.1rem;font-weight:800;line-height:1.3}.book-card .description{color:var(--text-mid);-webkit-line-clamp:3;text-overflow:ellipsis;-webkit-box-orient:vertical;flex:1;min-height:60px;font-size:.85rem;line-height:1.6;display:-webkit-box;overflow:hidden}.book-card .page-info{color:var(--text-soft);gap:12px;font-size:.8rem;display:flex}.book-card .shipping-note{background:var(--bg-alt);border:1px solid var(--border);color:var(--text-mid);border-radius:6px;padding:8px 12px;font-size:.76rem;font-weight:500}.book-card .price-section{margin-top:auto;padding-top:12px}.book-card .price{color:var(--orange);font-size:1.6rem;font-weight:800}.book-card .actions{flex-direction:column;gap:8px;margin-top:8px;display:flex}.book-card .btn{text-align:center;border-radius:8px;width:100%;padding:10px;font-size:.88rem;text-decoration:none;transition:all .2s}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}