:root{--font-display:"Oswald", sans-serif;--font-body:"DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono:"JetBrains Mono", monospace;--heading-transform:uppercase;--bg-base:#fff;--bg-surface:#f9fafb;--bg-card:#fff;--bg-elevated:#f3f4f6;--bg-overlay:#000000a6;--text-main:#111827;--text-secondary:#4b5563;--text-muted:#6b7280;--text-inverse:#f3f4f6;--border-main:#e5e7eb;--border-subtle:#f3f4f6;--border-focus:#dc2626;--red-primary:#dc2626;--red-hover:#b91c1c;--red-active:#991b1b;--red-accent:#ef4444;--red-subtle:#fef2f2;--red-subtle-border:#dc262638;--red-glow:#dc262629;--pure-black:#0a0a0a;--pure-white:#fff;--skeleton-base:#e5e7eb;--skeleton-highlight:#f3f4f6;--shadow-sm:0 1px 3px #0000000d;--shadow-card:0 10px 30px -10px #00000014, 0 4px 10px -2px #0000000a;--shadow-hover:0 20px 40px -12px #dc262629, 0 8px 16px -4px #0000000f;--shadow-modal:0 25px 60px -15px #0000004d;--nav-height:72px;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-full:9999px;--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-normal:.25s cubic-bezier(.4, 0, .2, 1);--transition-slow:.4s cubic-bezier(.4, 0, .2, 1)}[data-font=modern]{--font-display:"Oswald", sans-serif;--font-body:"DM Sans", -apple-system, BlinkMacSystemFont, sans-serif;--heading-transform:uppercase}[data-theme=dark]{--bg-base:#0a0a0a;--bg-surface:#121212;--bg-card:#161616;--bg-elevated:#1f1f1f;--bg-overlay:#000000d9;--text-main:#f3f4f6;--text-secondary:#9ca3af;--text-muted:#6b7280;--text-inverse:#0a0a0a;--border-main:#262626;--border-subtle:#1c1c1c;--border-focus:#ef4444;--red-primary:#ef4444;--red-hover:#dc2626;--red-active:#f87171;--red-accent:#ff4757;--red-subtle:#ef44441f;--red-subtle-border:#ef444452;--red-glow:#ef444447;--pure-black:#0a0a0a;--pure-white:#f3f4f6;--skeleton-base:#1c1c1c;--skeleton-highlight:#282828;--shadow-sm:0 1px 3px #0006;--shadow-card:0 16px 40px -8px #000c, 0 4px 12px -2px #0009;--shadow-hover:0 22px 50px -10px #ef444438, 0 8px 24px -4px #000000b3;--shadow-modal:0 30px 70px -15px #000000e6}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{font-family:var(--font-body);background-color:var(--bg-base);color:var(--text-main);min-height:100vh;transition:background-color var(--transition-normal), color 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.55rem}.footer-col-title{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.1em;color:var(--text-main);margin-bottom:1.25rem;font-size:.85rem;font-weight:700}.red-gradient-text{background:linear-gradient(135deg, var(--red-primary) 0%, #ff6b6b 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;display:inline-block}.app-wrapper{flex-direction:column;min-height:100vh;display:flex}.main-content{padding-top:var(--nav-height);flex:1}.container{width:100%;max-width:1240px;margin-left:auto;margin-right:auto;padding-left:1.5rem;padding-right:1.5rem}.container-narrow{width:100%;max-width:900px;margin-left:auto;margin-right:auto;padding-left:1.5rem;padding-right:1.5rem}@media (max-width:640px){.container,.container-narrow{padding-left:1rem;padding-right:1rem}}.section{padding-top:5.5rem;padding-bottom:5.5rem;position:relative}.section-hero{padding-top:4.5rem;padding-bottom:6rem;position:relative;overflow:hidden}.bg-grid-pattern{background-image:radial-gradient(var(--border-main) 1px, transparent 1px);opacity:.35;pointer-events:none;background-size:32px 32px;position:absolute;top:0;bottom:0;left:0;right:0}.red-ambient-glow{background:radial-gradient(circle, var(--red-glow) 0%, transparent 70%);filter:blur(60px);pointer-events:none;z-index:0;width:480px;height:480px;position:absolute;top:-100px;right:-100px}.red-ambient-glow-bottom{background:radial-gradient(circle, var(--red-glow) 0%, transparent 70%);filter:blur(75px);pointer-events:none;z-index:0;width:550px;height:550px;position:absolute;bottom:-150px;left:-150px}.btn{border-radius:var(--radius-md);transition:all var(--transition-fast);-webkit-user-select:none;user-select:none;text-align:center;justify-content:center;align-items:center;gap:.65rem;padding:.85rem 1.6rem;font-size:.95rem;font-weight:600;line-height:1.2;display:inline-flex;position:relative}.btn:active:not(:disabled){transform:translateY(1px)scale(.99)}.btn:disabled{opacity:.6;cursor:not-allowed;filter:grayscale(.5)}.btn-primary{background-color:var(--red-primary);color:#fff;box-shadow:0 4px 18px var(--red-glow);border:1px solid #0000}.btn-primary:hover:not(:disabled){background-color:var(--red-hover);box-shadow:0 6px 24px var(--red-glow);transform:translateY(-1px)}.btn-secondary{background-color:var(--bg-card);color:var(--text-main);border:1px solid var(--border-main);box-shadow:var(--shadow-sm)}.btn-secondary:hover:not(:disabled){border-color:var(--red-primary);color:var(--red-primary);background-color:var(--red-subtle);transform:translateY(-1px)}.btn-lg{border-radius:var(--radius-md);padding:1.05rem 2.2rem;font-size:1.05rem}.btn-sm{border-radius:var(--radius-sm);padding:.5rem 1rem;font-size:.85rem}.btn-icon-only{border-radius:var(--radius-md);justify-content:center;align-items:center;padding:.65rem;display:inline-flex}.spinner-wrapper{justify-content:center;align-items:center;display:inline-flex}.spinner-icon{border-radius:50%;animation:.75s linear infinite spin;display:inline-block}.spinner-icon-red{border:2px solid var(--red-subtle-border);border-top-color:var(--red-primary)}.spinner-icon-white{border:2px solid #ffffff4d;border-top-color:#fff}.spinner-icon-black{border:2px solid #0003;border-top-color:var(--pure-black)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.skeleton-box{background:var(--skeleton-base);background-image:linear-gradient(90deg, var(--skeleton-base) 0%, var(--skeleton-highlight) 50%, var(--skeleton-base) 100%);border-radius:var(--radius-sm);background-size:200% 100%;animation:1.5s infinite shimmer;display:block}.skeleton-circle{border-radius:50%}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.card{background-color:var(--bg-card);border:1px solid var(--border-main);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);transition:all var(--transition-normal);padding:2rem;position:relative;overflow:hidden}.card:hover{border-color:var(--red-subtle-border);box-shadow:var(--shadow-hover)}.card-red-accent{position:relative}.card-red-accent:before{content:"";background:linear-gradient(90deg, var(--red-primary), transparent);height:3px;position:absolute;top:0;left:0;right:0}.card-solid{background-color:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:1.75rem}.form-group{text-align:left;flex-direction:column;gap:.45rem;margin-bottom:1.35rem;display:flex}.form-label{color:var(--text-main);justify-content:space-between;font-size:.88rem;font-weight:600;display:flex}.form-input,.form-textarea,.form-select{border:1px solid var(--border-main);border-radius:var(--radius-md);background-color:var(--bg-surface);width:100%;color:var(--text-main);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);outline:none;padding:.85rem 1rem;font-size:.95rem}.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:var(--red-primary);box-shadow:0 0 0 3px var(--red-subtle);background-color:var(--bg-card)}.form-input::placeholder,.form-textarea::placeholder{color:var(--text-muted)}.form-textarea{resize:vertical;min-height:120px}.navbar{height:var(--nav-height);background-color:rgba(var(--bg-base), .85);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border-main);z-index:1000;transition:background-color var(--transition-normal), border-color var(--transition-normal);align-items:center;display:flex;position:fixed;top:0;left:0;right:0}[data-theme=light] .navbar{background-color:#ffffffeb}[data-theme=dark] .navbar{background-color:#0a0a0aeb}.nav-container{justify-content:space-between;align-items:center;width:100%;max-width:1240px;margin:0 auto;padding:0 1.5rem;display:flex}.brand-logo{align-items:center;gap:.65rem;text-decoration:none;display:inline-flex}.brand-logo-img{object-fit:contain;width:auto;max-width:170px;height:32px;transition:transform var(--transition-fast), opacity var(--transition-fast);display:block}.brand-logo:hover .brand-logo-img{transform:scale(1.03)}.brand-icon-box{background-color:var(--pure-black);border:1px solid var(--border-main);border-radius:var(--radius-sm);justify-content:center;align-items:center;width:34px;height:34px;display:flex;position:relative;overflow:hidden}[data-theme=dark] .brand-icon-box{background-color:var(--bg-elevated);border-color:var(--border-main)}.brand-icon-box:after{content:"";background:var(--red-primary);height:3px;position:absolute;bottom:0;left:0;right:0}.nav-links{align-items:center;gap:1.6rem;list-style:none;display:flex}.nav-link{color:var(--text-secondary);transition:color var(--transition-fast);padding:.4rem 0;font-size:.92rem;font-weight:600;position:relative}.nav-link:hover{color:var(--red-primary)}.nav-link.active{color:var(--text-main);font-weight:700}.nav-link.active:after{content:"";background:var(--red-primary);border-radius:var(--radius-full);height:2px;position:absolute;bottom:0;left:0;right:0}.nav-actions{align-items:center;gap:.85rem;display:flex}@media (min-width:1040px){.font-switcher-label{display:inline!important}}.theme-switch{background-color:var(--bg-surface);border:1.5px solid var(--border-main);border-radius:var(--radius-full);cursor:pointer;width:58px;height:32px;transition:all 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(max-width:960px){.nav-links{display:none}.mobile-menu-btn{display:flex}.nav-cta-desktop{display:none!important}}.mobile-drawer{top:var(--nav-height);background-color:var(--bg-base);border-bottom:2px solid var(--border-main);z-index:999;box-shadow:var(--shadow-modal);flex-direction:column;gap:1.25rem;padding:1.5rem;animation:.25s ease-out slideDown;display:flex;position:fixed;left:0;right:0}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.modal-overlay{background-color:var(--bg-overlay);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:2000;justify-content:center;align-items:center;padding:1rem;animation:.2s ease-out fadeIn;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}.modal-content{background-color:var(--bg-card);border:1px solid var(--border-main);border-radius:var(--radius-lg);width:100%;max-width:480px;box-shadow:var(--shadow-modal);padding:2.25rem;animation:.25s cubic-bezier(.16,1,.3,1) 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(max-width:860px){.footer-grid{grid-template-columns:1fr;gap:2rem}}.footer-links{flex-direction:column;gap:.75rem;list-style:none;display:flex}.footer-link{color:var(--text-secondary);font-size:.92rem}.footer-link:hover{color:var(--red-primary)}.footer-bottom{border-top:1px solid var(--border-subtle);color:var(--text-muted);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;padding-top:2rem;font-size:.88rem;display:flex}.accordion-item{border:1px solid var(--border-main);border-radius:var(--radius-md);background-color:var(--bg-card);transition:border-color var(--transition-fast);margin-bottom:1rem;overflow:hidden}.accordion-item.active{border-color:var(--red-primary)}.accordion-header{text-align:left;width:100%;color:var(--text-main);cursor:pointer;background:0 0;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;font-size:1.05rem;font-weight:700;display:flex}.accordion-content{color:var(--text-secondary);border-top:1px solid var(--border-subtle);padding:1rem 1.5rem 1.5rem;font-size:.98rem;line-height:1.6}.pulse-red{background-color:var(--red-primary);border-radius:50%;width:8px;height:8px;animation:2s infinite pulse;display:inline-block;box-shadow:0 0 #dc2626b3}@keyframes pulse{0%{transform:scale(.95);box-shadow:0 0 #dc2626b3}70%{transform:scale(1);box-shadow:0 0 0 8px #dc262600}to{transform:scale(.95);box-shadow:0 0 #dc262600}}.blueprint-hero-card{padding:2.5rem 2rem}@media (max-width:768px){.blueprint-hero-card{padding:1.5rem 1rem!important}}.hero-grid-responsive{grid-template-columns:1.2fr 1.1fr;align-items:center;gap:2.5rem;display:grid}@media (max-width:960px){.hero-grid-responsive{grid-template-columns:1fr;gap:2rem}}.hero-top-badges{justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:1rem;display:flex;position:relative}.hero-handwritten-note{text-align:right;font-size:.98rem;line-height:1.25;transform:rotate(-2deg)}@media (max-width:600px){.hero-top-badges{flex-direction:column;align-items:flex-start;gap:.5rem}.hero-handwritten-note{font-size:.92rem;text-align:left!important;transform:none!important}}.learn-grid-responsive{grid-template-columns:1fr 1fr;gap:1.25rem 1rem;display:grid}@media (max-width:540px){.learn-grid-responsive{grid-template-columns:1fr;gap:1rem}}.familiar-grid-responsive{grid-template-columns:1.3fr 1fr;align-items:center;gap:1.5rem;display:grid}@media (max-width:680px){.familiar-grid-responsive{grid-template-columns:1fr;gap:1.5rem}}.not-pickup-grid{grid-template-columns:1fr 1.2fr;gap:1.25rem;display:grid}@media (max-width:580px){.not-pickup-grid{grid-template-columns:1fr;gap:1.25rem}}.inside-grid-responsive{grid-template-columns:190px 1fr;align-items:center;gap:1.5rem;display:grid}@media (max-width:680px){.inside-grid-responsive{grid-template-columns:1fr;justify-items:center;gap:1.75rem}.inside-grid-responsive>div:last-child{width:100%}}.bottom-cta-card{padding:3rem 2rem}@media (max-width:768px){.bottom-cta-card{padding:2rem 1.25rem}}.footer-cta-responsive{grid-template-columns:1fr 2fr 1.2fr;align-items:center;gap:1.5rem;display:grid}@media (max-width:900px){.footer-cta-responsive{text-align:center;grid-template-columns:1fr;gap:1.5rem}.footer-cta-responsive .handwritten-annotation{text-align:center!important}}.blueprint-grid-2col{grid-template-columns:1fr 1fr;gap:1.5rem;margin-bottom:1.5rem;display:grid}@media (max-width:900px){.blueprint-grid-2col{grid-template-columns:1fr;gap:1.25rem}}.marker-tag{border-radius:var(--radius-sm);letter-spacing:.05em;text-transform:uppercase;font-size:.92rem;font-weight:800;font-family:var(--font-display);margin-bottom:1.25rem;padding:.35rem .85rem;display:inline-block}.marker-blue{color:#0369a1;background:#e0f2fe;border:1px solid #0369a126}.marker-pink{color:#be123c;background:#ffe4e6;border:1px solid #be123c26}.marker-yellow{color:#854d0e;background:#fef08a;border:1px solid #854d0e2e}.marker-green{color:#15803d;background:#dcfce7;border:1px solid #15803d26}[data-theme=dark] .marker-blue{color:#38bdf8;background:#0ea5e933;border-color:#38bdf84d}[data-theme=dark] .marker-pink{color:#fb7185;background:#f43f5e33;border-color:#fb71854d}[data-theme=dark] .marker-yellow{color:#facc15;background:#eab30833;border-color:#facc154d}[data-theme=dark] .marker-green{color:#4ade80;background:#22c55e33;border-color:#4ade804d}.handwritten-annotation{color:var(--text-muted);font-family:Playfair Display,Georgia,serif;font-size:1.05rem;font-style:italic;line-height:1.35}.blueprint-card{border-radius:var(--radius-lg);border:1px solid var(--border-main);transition:all var(--transition-normal);padding:2.25rem 2rem;position:relative;overflow:hidden}@media (max-width:640px){.blueprint-card{padding:1.5rem 1rem}}.blueprint-card-pink{background-color:#fff5f5}.blueprint-card-yellow{background-color:#fefdf5}.blueprint-card-blue{background-color:#f0f9ff}.blueprint-card-green{background-color:#f0fdf4}.blueprint-card-white{background-color:var(--bg-card)}[data-theme=dark] .blueprint-card-pink,[data-theme=dark] .blueprint-card-yellow,[data-theme=dark] .blueprint-card-blue,[data-theme=dark] .blueprint-card-green,[data-theme=dark] .blueprint-card-white{background-color:var(--bg-card);border-color:var(--border-main)}.challenge-timeline{grid-template-columns:repeat(4,1fr);align-items:stretch;gap:.75rem;margin-top:1.5rem;display:grid}@media (max-width:640px){.challenge-timeline{grid-template-columns:1fr 1fr;gap:.85rem}}@media (max-width:420px){.challenge-timeline{grid-template-columns:1fr;gap:.75rem}}.challenge-step{background:var(--bg-card);border:1px solid var(--border-main);border-radius:var(--radius-md);text-align:center;box-shadow:var(--shadow-sm);flex-direction:column;padding:1.25rem .85rem;display:flex;position:relative}.challenge-calendar-icon{border:2px solid var(--border-main);border-radius:6px;flex-direction:column;width:44px;height:48px;margin:0 auto .75rem;display:flex;position:relative;overflow:hidden}.challenge-calendar-header{width:100%;height:14px}.challenge-calendar-body{background:var(--bg-card);font-family:var(--font-mono);color:var(--text-main);flex:1;justify-content:center;align-items:center;font-size:.75rem;font-weight:800;display:flex}.formula-flow{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem;margin-top:2rem;display:flex}.formula-node{background:var(--bg-card);border:1px solid var(--border-main);border-radius:var(--radius-md);text-align:center;min-width:90px;box-shadow:var(--shadow-sm);flex-direction:column;flex:1;align-items:center;padding:1rem .5rem;display:flex}.formula-arrow{color:var(--text-muted);font-size:1.2rem;font-weight:800}@media (max-width:640px){.formula-flow{grid-template-columns:1fr;gap:.75rem;display:grid}.formula-arrow{display:none}.formula-node{text-align:left;flex-direction:row;align-items:center;gap:1rem;padding:.85rem 1rem}}.sneak-peek-grid{grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:1.25rem;display:grid}@media (max-width:768px){.sneak-peek-grid{grid-template-columns:repeat(2,1fr)}}.sneak-peek-item{cursor:pointer;flex-direction:column;align-items:center;display:flex}.sneak-peek-frame{aspect-ratio:1/1.35;width:100%;transition:transform var(--transition-fast), box-shadow var(--transition-fast);background:#fff;border:1px solid #d1d5db;border-radius:6px;flex-direction:column;justify-content:space-between;padding:.75rem;display:flex;overflow:hidden;box-shadow:0 4px 12px #00000014}.sneak-peek-item:hover .sneak-peek-frame{border-color:var(--red-primary);transform:translateY(-4px);box-shadow:0 8px 24px #dc262626}.book-mockup-wrapper{perspective:1000px;justify-content:center;display:flex;position:relative}.book-3d{background:#fff;border:1px solid #e5e7eb;border-radius:4px 12px 12px 4px;flex-direction:column;justify-content:space-between;width:190px;height:260px;padding:1.25rem 1rem;transition:transform .3s;display:flex;position:relative;transform:rotateY(-8deg)rotateX(2deg);box-shadow:-6px 6px 15px #00000026,inset 4px 0 6px #0000001a}.book-3d:hover{transform:rotateY(-2deg)rotateX(0)scale(1.03)}.book-3d-spine{background:linear-gradient(90deg,#00000026 0%,#fff3 50%,#0000000d 100%);border-radius:4px 0 0 4px;width:10px;position:absolute;top:0;bottom:0;left:0}@media print{body *{visibility:hidden!important}body:before{content:"UNAUTHORIZED PRINT ATTEMPT DETECTED. MENTICO CONTENT IS PROTECTED BY COPYRIGHT LAW AND DIGITALLY WATERMARKED TO YOUR STUDENT ID. PRINTING HAS BEEN DISABLED.";color:red;text-align:center;margin-top:100px;padding:20px;font-size:16pt;font-weight:700;visibility:visible!important;display:block!important}}.reader-modal-overlay{z-index:9999;-webkit-user-select:none;user-select:none;background-color:#000000f0;flex-direction:column;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}.reader-header{color:#f3f4f6;background-color:#0a0a0a;border-bottom:1px solid #262626;flex-shrink:0;justify-content:space-between;align-items:center;gap:1rem;padding:.75rem 1.25rem;display:flex}.reader-toolbar{background-color:#121212;border-bottom:1px solid #262626;flex-wrap:wrap;flex-shrink:0;justify-content:space-between;align-items:center;gap:.75rem;padding:.6rem 1rem;display:flex}.reader-viewport{background-color:#171717;flex:1;justify-content:center;align-items:flex-start;padding:1.5rem 1rem;display:flex;position:relative;overflow:auto}.reader-canvas-container{background-color:#fff;border-radius:4px;margin:0 auto;position:relative;overflow:hidden;box-shadow:0 12px 40px #000c}.reader-watermark-overlay{pointer-events:none;z-index:50;opacity:.16;flex-direction:column;justify-content:space-around;align-items:center;display:flex;position:absolute;top:0;bottom:0;left:0;right:0;overflow:hidden}.reader-watermark-item{font-family:var(--font-mono);color:#dc2626;letter-spacing:.14em;white-space:nowrap;-webkit-user-select:none;user-select:none;font-size:.85rem;font-weight:800;transform:rotate(-24deg)}.drm-toast{color:#fff;border-radius:var(--radius-full);font-size:.85rem;font-weight:700;font-family:var(--font-mono);z-index:10000;background-color:#dc2626;padding:.75rem 1.5rem;animation:.2s ease-out fadeIn;position:fixed;bottom:2rem;left:50%;transform:translate(-50%);box-shadow:0 8px 30px #dc262666}.product-overview-grid{grid-template-columns:1.35fr 1fr;align-items:start;gap:2.75rem;margin-bottom:4.5rem;display:grid}.product-checkout-card{padding:2.5rem;position:sticky;top:96px}.chapter-curriculum-card{transition:border-color var(--transition-fast), transform var(--transition-fast);align-items:flex-start;gap:1.5rem;padding:1.75rem;display:flex}.chapter-curriculum-card:hover{border-color:var(--red-subtle-border);transform:translateY(-2px)}.chapter-num-box{font-family:var(--font-mono);fontWeight:800;color:var(--red-primary);background-color:var(--red-subtle);border:1px solid var(--red-subtle-border);border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:1.25rem;display:flex}.chapter-header-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem;margin-bottom:.35rem;display:flex}.mobile-pinned-bottom-bar{display:none}@media (max-width:900px){.product-overview-grid{grid-template-columns:1fr;gap:2rem;margin-bottom:3rem}.product-checkout-card{margin:0 auto;width:100%!important;padding:1.75rem 1.25rem!important;position:static!important}.product-page-container{padding-bottom:6.5rem!important}.mobile-pinned-bottom-bar{z-index:990;background-color:var(--bg-card);border-top:1.5px solid var(--border-main);padding:.75rem 1.25rem;padding-bottom:max(.85rem, env(safe-area-inset-bottom));-webkit-backdrop-filter:blur(18px);justify-content:space-between;align-items:center;gap:1rem;animation:.3s cubic-bezier(.16,1,.3,1) slideUpBottom;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -8px 24px #00000024;display:flex!important}[data-theme=light] .mobile-pinned-bottom-bar{background-color:#fffffff2}[data-theme=dark] .mobile-pinned-bottom-bar{background-color:#121212f2;box-shadow:0 -8px 24px #00000080}.mobile-pinned-pricing-box{flex-direction:column;gap:2px;min-width:0;display:flex}.mobile-pinned-price-line{flex-wrap:wrap;align-items:baseline;gap:.45rem;display:flex}.mobile-pinned-price{font-family:var(--font-display);color:var(--text-main);letter-spacing:-.01em;font-size:1.6rem;font-weight:800;line-height:1}.mobile-pinned-original-price{color:var(--text-muted);font-size:.82rem;font-weight:500;text-decoration:line-through}.mobile-pinned-badge{font-family:var(--font-mono);color:var(--red-primary);background-color:var(--red-subtle);border-radius:var(--radius-sm);border:1px solid var(--red-subtle-border);white-space:nowrap;padding:2px 6px;font-size:.65rem;font-weight:700}.mobile-pinned-sublabel{color:var(--text-muted);font-size:.7rem;font-family:var(--font-mono);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.mobile-pinned-cta-btn{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.03em;white-space:nowrap;border-radius:var(--radius-full);box-shadow:0 4px 18px var(--red-glow);flex-shrink:0;align-items:center;gap:.45rem;padding:.75rem 1.35rem;font-size:1.05rem;font-weight:700;display:inline-flex}}@keyframes slideUpBottom{0%{opacity:0;transform:translateY(100%)}to{opacity:1;transform:translateY(0)}}@media (max-width:640px){.card{padding:1.25rem 1rem!important}.card-solid{padding:1.15rem 1rem!important}.badge-red,.badge-mono{white-space:normal;text-align:center;max-width:100%;letter-spacing:.04em!important;padding:.25rem .65rem!important;font-size:.72rem!important}.product-hero-title{word-break:break-word;font-size:1.85rem!important;line-height:1.2!important}.chapter-curriculum-card{word-break:break-word;gap:.85rem!important;padding:1.15rem 1rem!important}.chapter-num-box{width:38px!important;height:38px!important;font-size:1.05rem!important}.chapter-curriculum-card h3{font-size:1.05rem!important}input[type=text],input[type=email],input[type=password]{font-size:16px!important}.brand-logo-img{max-width:110px!important;height:24px!important}.nav-container{padding:0 .85rem!important}.theme-switch{width:48px!important;height:26px!important}.theme-switch-slider{width:20px!important;height:20px!important}[data-theme=dark] .theme-switch-slider{transform:translate(20px)!important}}.product-specs-grid{background-color:var(--bg-surface);border-radius:var(--radius-md);border:1px solid var(--border-main);grid-template-columns:repeat(4,1fr);gap:1rem;margin-bottom:1.5rem;padding:1.25rem;display:grid}@media (max-width:768px){.product-specs-grid{grid-template-columns:repeat(2,1fr);gap:.75rem;padding:.85rem!important}}.dashboard-main-grid{grid-template-columns:1.4fr 1fr;align-items:start;gap:2rem;margin-bottom:4rem;display:grid}@media (max-width:900px){.dashboard-main-grid{grid-template-columns:1fr;gap:1.5rem;margin-bottom:2.5rem}}.dashboard-stats-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.25rem;margin-bottom:2.5rem;display:grid}@media (max-width:640px){.dashboard-stats-grid{grid-template-columns:repeat(2,1fr);gap:.75rem;margin-bottom:1.5rem}.dashboard-stats-grid .card{padding:1rem!important}}.deliverable-card-inner{background-color:var(--bg-surface);border-radius:var(--radius-md);border:1px solid var(--border-main);flex-wrap:wrap;align-items:center;gap:1.75rem;margin-bottom:2rem;padding:2rem;display:flex}@media (max-width:640px){.deliverable-card-inner{flex-direction:column;align-items:flex-start;gap:1.25rem;padding:1.25rem 1rem}}.sneak-peek-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;margin-bottom:1.25rem;display:flex}@media (max-width:540px){.sneak-peek-header{flex-direction:column;align-items:flex-start}}.highlight-modal-overlay{-webkit-backdrop-filter:blur(12px);z-index:2200;background-color:#000000e0;justify-content:center;align-items:center;padding:1rem;animation:.2s ease-out fadeIn;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}.highlight-modal-content{background-color:var(--bg-card);border:1.5px solid var(--border-main);border-radius:var(--radius-lg);flex-direction:column;width:100%;max-width:680px;max-height:90vh;display:flex;position:relative;overflow:hidden;box-shadow:0 24px 60px #000000bf}.highlight-modal-header{border-bottom:1px solid var(--border-main);background-color:var(--bg-surface);justify-content:space-between;align-items:center;gap:1rem;padding:1.25rem 1.5rem;display:flex}.highlight-modal-body{-webkit-overflow-scrolling:touch;flex-direction:column;gap:1.25rem;padding:1.5rem;display:flex;overflow-y:auto}.highlight-modal-footer{border-top:1px solid var(--border-main);background-color:var(--bg-surface);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;padding:1.25rem 1.5rem;display:flex}@media (max-width:640px){.highlight-modal-overlay{padding:.5rem}.highlight-modal-content{max-height:95vh}.highlight-modal-header,.highlight-modal-body,.highlight-modal-footer{padding:1rem}.highlight-modal-footer{flex-direction:column;align-items:stretch}}.about-hero-grid{grid-template-columns:1fr 1.3fr;align-items:center;gap:3.5rem;margin-bottom:5rem;display:grid}.contact-main-grid{grid-template-columns:1.3fr 1fr;align-items:start;gap:3.5rem;margin-bottom:5rem;display:grid}.contact-form-row{grid-template-columns:1fr 1fr;gap:1rem;display:grid}@media (max-width:860px){.about-hero-grid,.contact-main-grid{grid-template-columns:1fr!important;gap:2rem!important;margin-bottom:3.5rem!important}}@media (max-width:600px){.contact-form-row{grid-template-columns:1fr!important;gap:.75rem!important}}html,body{max-width:100vw;overflow-x:hidden}.app-wrapper{width:100%;overflow-x:hidden}@media (max-width:640px){.section{padding-top:2.75rem!important;padding-bottom:2.75rem!important}.section-hero{padding-top:2.5rem!important;padding-bottom:3.5rem!important}h1{font-size:clamp(1.75rem,6vw,2.4rem)!important;line-height:1.2!important}h2{font-size:clamp(1.4rem,5vw,1.9rem)!important;line-height:1.25!important}.card{padding:1.25rem 1rem!important}.btn-lg,.btn-primary,.btn-secondary{min-height:46px}.legal-tab-bar{gap:.35rem!important;padding-bottom:.5rem!important}.legal-tab-bar button{padding:.5rem .85rem!important;font-size:.82rem!important}.timeline-mobile-wrap{margin-left:.35rem!important;padding-left:1.25rem!important}.timeline-mobile-dot{left:-1.9rem!important}.dashboard-header-card{padding:1.25rem 1rem!important}.dashboard-metrics-strip{flex-direction:column!important;align-items:flex-start!important;gap:.5rem!important}}