/* THE BRAIN SONG - MASTER STYLESHEET | en-eng-thebrain-song.com | Neural Synapse Dark Theme */
:root{--bg-primary:#06090f;--bg-secondary:#0b1018;--bg-card:#101828;--bg-card-hover:#162035;--accent-cyan:#00e5ff;--accent-teal:#00bfa5;--accent-violet:#7c4dff;--accent-gold:#ffd740;--accent-rose:#ff4081;--text-primary:#e8eaf6;--text-secondary:#90a4ae;--text-muted:#607d8b;--gradient-hero:linear-gradient(135deg,#06090f 0%,#0d1b2a 40%,#1b2838 100%);--gradient-cta:linear-gradient(135deg,#00e5ff 0%,#00bfa5 50%,#7c4dff 100%);--gradient-card:linear-gradient(145deg,rgba(0,229,255,0.04) 0%,rgba(124,77,255,0.04) 100%);--shadow-glow:0 0 30px rgba(0,229,255,0.12);--shadow-card:0 8px 32px rgba(0,0,0,0.4);--border-subtle:1px solid rgba(0,229,255,0.08);--radius-sm:8px;--radius-md:14px;--radius-lg:22px;--radius-xl:32px;--font-display:'Outfit',sans-serif;--font-body:'DM Sans',sans-serif;--font-mono:'JetBrains Mono',monospace;--transition:all 0.4s cubic-bezier(0.25,0.46,0.45,0.94);--max-w:1280px}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-body);background:var(--bg-primary);color:var(--text-primary);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto;display:block}a{text-decoration:none;color:inherit;transition:var(--transition)}ul,ol{list-style:none}.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}.section-pad{padding:100px 0}.text-center{text-align:center}.text-gradient{background:var(--gradient-cta);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
#neural-bg{position:fixed;top:0;left:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:0.35}
.skip-link{position:absolute;top:-100px;left:50%;transform:translateX(-50%);background:var(--accent-cyan);color:var(--bg-primary);padding:12px 24px;border-radius:var(--radius-sm);z-index:10000;font-weight:700}.skip-link:focus{top:10px}
.site-header{position:fixed;top:0;left:0;right:0;z-index:9999;padding:0 24px;transition:var(--transition);background:rgba(6,9,15,0.55);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:var(--border-subtle)}.site-header.scrolled{background:rgba(6,9,15,0.95);box-shadow:0 4px 30px rgba(0,0,0,0.5)}.header-inner{max-width:var(--max-w);margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:72px}.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:800;font-size:1.35rem;letter-spacing:-0.5px}.logo-icon{width:38px;height:38px;background:var(--gradient-cta);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.1rem;animation:pulse-glow 3s ease-in-out infinite}
@keyframes pulse-glow{0%,100%{box-shadow:0 0 10px rgba(0,229,255,0.3)}50%{box-shadow:0 0 25px rgba(0,229,255,0.6)}}.logo-text span{color:var(--accent-cyan)}.main-nav{display:flex;align-items:center;gap:4px}.main-nav a{padding:8px 14px;font-size:0.88rem;font-weight:500;color:var(--text-secondary);border-radius:var(--radius-sm);position:relative}.main-nav a:hover,.main-nav a.active{color:var(--accent-cyan);background:rgba(0,229,255,0.06)}.main-nav .dropdown{position:relative}.main-nav .dropdown-menu{position:absolute;top:100%;left:0;min-width:230px;background:var(--bg-card);border:var(--border-subtle);border-radius:var(--radius-md);padding:8px;opacity:0;visibility:hidden;transform:translateY(10px);transition:var(--transition);box-shadow:var(--shadow-card);z-index:100}.main-nav .dropdown:hover .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}.dropdown-menu a{display:block;padding:10px 14px;font-size:0.84rem;border-radius:var(--radius-sm)}.dropdown-menu a:hover{background:rgba(0,229,255,0.08)}
.header-cta{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;background:var(--gradient-cta);color:var(--bg-primary);font-weight:700;font-size:0.88rem;border-radius:50px;letter-spacing:0.3px;position:relative;overflow:hidden}.header-cta::after{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:linear-gradient(45deg,transparent 40%,rgba(255,255,255,0.15) 50%,transparent 60%);animation:shimmer 3s ease-in-out infinite}@keyframes shimmer{0%{transform:translateX(-100%) rotate(25deg)}100%{transform:translateX(100%) rotate(25deg)}}.header-cta:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,229,255,0.3)}
.mobile-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}.mobile-toggle span{width:26px;height:2.5px;background:var(--text-primary);border-radius:2px;transition:var(--transition)}.mobile-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.mobile-toggle.active span:nth-child(2){opacity:0}.mobile-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.hero{position:relative;min-height:100vh;display:flex;align-items:center;background:var(--gradient-hero);overflow:hidden;padding-top:72px}.hero::before{content:'';position:absolute;top:-30%;right:-20%;width:700px;height:700px;background:radial-gradient(circle,rgba(0,229,255,0.07) 0%,transparent 70%);border-radius:50%;animation:float-orb 12s ease-in-out infinite}.hero::after{content:'';position:absolute;bottom:-20%;left:-15%;width:500px;height:500px;background:radial-gradient(circle,rgba(124,77,255,0.05) 0%,transparent 70%);border-radius:50%;animation:float-orb 15s ease-in-out infinite reverse}@keyframes float-orb{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(30px,-20px) scale(1.05)}66%{transform:translate(-20px,15px) scale(0.95)}}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative;z-index:2}.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;background:rgba(0,229,255,0.07);border:1px solid rgba(0,229,255,0.18);border-radius:50px;font-size:0.78rem;font-weight:600;color:var(--accent-cyan);margin-bottom:20px;animation:fadeInUp .6s ease}.hero-badge .pulse-dot{width:8px;height:8px;background:var(--accent-cyan);border-radius:50%;animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}
.hero h1{font-family:var(--font-display);font-size:clamp(2.5rem,5vw,4rem);font-weight:900;line-height:1.08;letter-spacing:-1.5px;margin-bottom:20px;animation:fadeInUp .8s ease}.hero-subtitle{font-size:1.12rem;color:var(--text-secondary);line-height:1.8;margin-bottom:32px;max-width:520px;animation:fadeInUp 1s ease}.hero-stats{display:flex;gap:32px;margin-bottom:36px;animation:fadeInUp 1.1s ease}.hero-stat{text-align:center}.hero-stat .stat-num{font-family:var(--font-display);font-size:1.8rem;font-weight:800;color:var(--accent-cyan)}.hero-stat .stat-label{font-size:.73rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}.hero-actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap;animation:fadeInUp 1.2s ease}
.btn-primary{display:inline-flex;align-items:center;gap:10px;padding:16px 36px;background:var(--gradient-cta);color:var(--bg-primary);font-weight:800;font-size:1rem;border-radius:60px;border:none;cursor:pointer;position:relative;overflow:hidden;letter-spacing:.5px;transition:var(--transition);font-family:var(--font-body)}.btn-primary::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.2),transparent);transition:left .6s}.btn-primary:hover::before{left:100%}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(0,229,255,0.25)}
.btn-secondary{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;background:transparent;color:var(--text-primary);font-weight:600;font-size:.95rem;border-radius:60px;border:2px solid rgba(255,255,255,0.12);cursor:pointer;transition:var(--transition);font-family:var(--font-body)}.btn-secondary:hover{border-color:var(--accent-cyan);color:var(--accent-cyan);background:rgba(0,229,255,0.04)}
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;animation:fadeInRight 1s ease}.hero-product-wrap{position:relative;width:420px;height:420px}.hero-product-ring{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:380px;height:380px;border-radius:50%;border:2px solid rgba(0,229,255,0.12);animation:rotate-ring 20s linear infinite}.hero-product-ring::before{content:'';position:absolute;top:-6px;left:50%;width:12px;height:12px;background:var(--accent-cyan);border-radius:50%;box-shadow:0 0 15px var(--accent-cyan)}@keyframes rotate-ring{from{transform:translate(-50%,-50%) rotate(0deg)}to{transform:translate(-50%,-50%) rotate(360deg)}}.hero-product-ring-2{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:320px;height:320px;border-radius:50%;border:1px dashed rgba(124,77,255,0.18);animation:rotate-ring 30s linear infinite reverse}
.hero-brain-svg{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:260px;height:260px;animation:float-product 6s ease-in-out infinite}@keyframes float-product{0%,100%{transform:translate(-50%,-50%) translateY(0)}50%{transform:translate(-50%,-50%) translateY(-15px)}}
.hero-float-badge{position:absolute;padding:10px 18px;background:var(--bg-card);border:var(--border-subtle);border-radius:var(--radius-md);font-size:.78rem;font-weight:600;box-shadow:var(--shadow-card);animation:float-badge 5s ease-in-out infinite}.hero-float-badge.top-right{top:30px;right:-10px;animation-delay:.5s}.hero-float-badge.bottom-left{bottom:40px;left:-10px;animation-delay:1s}.hero-float-badge .badge-icon{font-size:1.2rem;margin-right:6px}@keyframes float-badge{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInRight{from{opacity:0;transform:translateX(40px)}to{opacity:1;transform:translateX(0)}}
.trust-bar{padding:40px 0;border-top:var(--border-subtle);border-bottom:var(--border-subtle);background:rgba(0,229,255,0.015)}.trust-items{display:flex;justify-content:center;align-items:center;gap:48px;flex-wrap:wrap}.trust-item{display:flex;align-items:center;gap:10px;font-size:.85rem;color:var(--text-muted);font-weight:500}.trust-item .trust-icon{font-size:1.4rem}.trust-item strong{color:var(--text-primary)}
.section-header{text-align:center;margin-bottom:60px}.section-tag{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;background:rgba(0,229,255,0.06);border:1px solid rgba(0,229,255,0.15);border-radius:50px;font-size:.73rem;font-weight:700;color:var(--accent-cyan);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:16px}.section-title{font-family:var(--font-display);font-size:clamp(2rem,3.5vw,3rem);font-weight:800;line-height:1.12;letter-spacing:-1px;margin-bottom:16px}.section-desc{max-width:640px;margin:0 auto;font-size:1.05rem;color:var(--text-secondary);line-height:1.8}
.what-is-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.what-is-visual{position:relative}.what-is-img-wrap{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:var(--border-subtle);background:var(--bg-card);display:flex;align-items:center;justify-content:center;aspect-ratio:4/3}.what-is-content h3{font-family:var(--font-display);font-size:1.6rem;font-weight:700;margin-bottom:16px;color:var(--accent-cyan)}.what-is-content p{color:var(--text-secondary);margin-bottom:16px;line-height:1.85}.feature-list{display:flex;flex-direction:column;gap:14px;margin-top:24px}.feature-list li{display:flex;align-items:flex-start;gap:12px;font-size:.95rem}.feature-list .check-icon{flex-shrink:0;width:24px;height:24px;background:rgba(0,229,255,0.1);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--accent-cyan);font-size:.8rem;margin-top:2px}
.steps-timeline{position:relative;max-width:900px;margin:0 auto}.steps-timeline::before{content:'';position:absolute;top:0;bottom:0;left:40px;width:2px;background:linear-gradient(to bottom,var(--accent-cyan),var(--accent-violet))}.step-card{display:flex;gap:32px;align-items:flex-start;margin-bottom:48px;position:relative}.step-number{flex-shrink:0;width:80px;height:80px;background:var(--bg-card);border:2px solid rgba(0,229,255,0.2);border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-size:1.5rem;font-weight:800;color:var(--accent-cyan);position:relative;z-index:2}.step-content{background:var(--bg-card);border:var(--border-subtle);border-radius:var(--radius-md);padding:28px;flex:1;transition:var(--transition)}.step-content:hover{border-color:rgba(0,229,255,0.25);box-shadow:var(--shadow-glow);transform:translateX(5px)}.step-content h4{font-family:var(--font-display);font-size:1.2rem;font-weight:700;margin-bottom:8px}.step-content p{color:var(--text-secondary);font-size:.95rem}
.ingredients-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}.ingredient-card{background:var(--bg-card);border:var(--border-subtle);border-radius:var(--radius-md);padding:32px;transition:var(--transition);position:relative;overflow:hidden}.ingredient-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-cta);transform:scaleX(0);transition:transform .4s ease}.ingredient-card:hover::before{transform:scaleX(1)}.ingredient-card:hover{border-color:rgba(0,229,255,0.2);transform:translateY(-5px);box-shadow:var(--shadow-glow)}.ingredient-icon{width:56px;height:56px;background:rgba(0,229,255,0.08);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:18px}.ingredient-card h4{font-family:var(--font-display);font-size:1.1rem;font-weight:700;margin-bottom:10px}.ingredient-card .freq-tag{display:inline-block;padding:3px 10px;background:rgba(124,77,255,0.1);border:1px solid rgba(124,77,255,0.2);border-radius:50px;font-size:.7rem;color:var(--accent-violet);font-weight:700;margin-bottom:12px;font-family:var(--font-mono)}.ingredient-card p{color:var(--text-secondary);font-size:.9rem;line-height:1.7}
.benefits-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}.benefit-card{background:var(--gradient-card);border:var(--border-subtle);border-radius:var(--radius-md);padding:32px;display:flex;gap:18px;transition:var(--transition)}.benefit-card:hover{border-color:rgba(0,229,255,0.2);background:var(--bg-card-hover);transform:translateY(-3px)}.benefit-num{flex-shrink:0;font-family:var(--font-display);font-size:2.5rem;font-weight:900;color:rgba(0,229,255,0.12);line-height:1}.benefit-card h4{font-family:var(--font-display);font-weight:700;font-size:1.05rem;margin-bottom:8px}.benefit-card p{color:var(--text-secondary);font-size:.9rem}
.science-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}.science-card{background:var(--bg-card);border:var(--border-subtle);border-radius:var(--radius-md);padding:36px;position:relative}.science-card .research-source{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;background:rgba(255,215,64,0.08);border:1px solid rgba(255,215,64,0.2);border-radius:50px;font-size:.7rem;font-weight:700;color:var(--accent-gold);text-transform:uppercase;letter-spacing:1px;margin-bottom:14px}.science-card h4{font-family:var(--font-display);font-size:1.15rem;font-weight:700;margin-bottom:10px}.science-card p{color:var(--text-secondary);font-size:.92rem}
.testimonials-track{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.testimonial-card{background:var(--bg-card);border:var(--border-subtle);border-radius:var(--radius-md);padding:32px;position:relative}.testimonial-card::before{content:'\201C';font-family:var(--font-display);font-size:4rem;color:rgba(0,229,255,0.08);position:absolute;top:16px;left:24px;line-height:1}.testimonial-stars{color:var(--accent-gold);font-size:.85rem;margin-bottom:14px;letter-spacing:2px}.testimonial-card blockquote{font-size:.95rem;color:var(--text-secondary);line-height:1.75;font-style:italic;margin-bottom:18px}.testimonial-author{display:flex;align-items:center;gap:12px}.testimonial-avatar{width:44px;height:44px;border-radius:50%;background:var(--gradient-cta);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.9rem;color:var(--bg-primary)}.testimonial-name{font-weight:700;font-size:.9rem}.testimonial-verified{font-size:.75rem;color:var(--accent-teal)}
.pricing-wrapper{max-width:580px;margin:0 auto}.pricing-card{background:var(--bg-card);border:2px solid rgba(0,229,255,0.2);border-radius:var(--radius-xl);padding:48px;text-align:center;position:relative;overflow:hidden}.pricing-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--gradient-cta)}.pricing-ribbon{position:absolute;top:20px;right:-30px;padding:6px 40px;background:var(--accent-rose);color:white;font-size:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:1px;transform:rotate(45deg)}.pricing-original{font-size:1.2rem;color:var(--text-muted);text-decoration:line-through;margin-bottom:4px}.pricing-amount{font-family:var(--font-display);font-size:4rem;font-weight:900;color:var(--accent-cyan);margin-bottom:4px}.pricing-amount span{font-size:1.5rem}.pricing-note{font-size:.85rem;color:var(--text-muted);margin-bottom:28px}.pricing-features{text-align:left;margin-bottom:32px}.pricing-features li{padding:10px 0;border-bottom:1px solid rgba(255,255,255,0.04);display:flex;align-items:center;gap:10px;font-size:.93rem}.pricing-features .pf-check{color:var(--accent-teal)}.guarantee-badge{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:24px;padding:16px;background:rgba(0,191,165,0.06);border:1px solid rgba(0,191,165,0.15);border-radius:var(--radius-md)}.guarantee-badge .g-icon{font-size:2rem}.guarantee-text{text-align:left}.guarantee-text strong{display:block;font-size:.9rem;color:var(--accent-teal)}.guarantee-text span{font-size:.8rem;color:var(--text-muted)}
.faq-list{max-width:800px;margin:0 auto}.faq-item{border:var(--border-subtle);border-radius:var(--radius-md);margin-bottom:12px;overflow:hidden;background:var(--bg-card)}.faq-question{width:100%;padding:20px 24px;background:none;border:none;color:var(--text-primary);font-family:var(--font-body);font-size:1rem;font-weight:600;text-align:left;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px}.faq-question:hover{color:var(--accent-cyan)}.faq-icon{flex-shrink:0;width:28px;height:28px;background:rgba(0,229,255,0.08);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1rem;transition:transform .3s}.faq-item.active .faq-icon{transform:rotate(45deg)}.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease}.faq-answer-inner{padding:0 24px 20px;color:var(--text-secondary);font-size:.93rem;line-height:1.8}
.blog-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:24px}.blog-card{background:var(--bg-card);border:var(--border-subtle);border-radius:var(--radius-md);overflow:hidden;transition:var(--transition)}.blog-card:hover{transform:translateY(-5px);border-color:rgba(0,229,255,0.2);box-shadow:var(--shadow-glow)}.blog-thumb{height:200px;background:var(--gradient-card);display:flex;align-items:center;justify-content:center;font-size:3rem;position:relative;overflow:hidden}.blog-thumb::after{content:'';position:absolute;inset:0;background:linear-gradient(transparent 60%,var(--bg-card))}.blog-body{padding:24px}.blog-meta{display:flex;gap:12px;align-items:center;margin-bottom:10px}.blog-tag{padding:3px 10px;background:rgba(0,229,255,0.08);border-radius:50px;font-size:.7rem;font-weight:700;color:var(--accent-cyan);text-transform:uppercase}.blog-date{font-size:.78rem;color:var(--text-muted)}.blog-card h3{font-family:var(--font-display);font-size:1.1rem;font-weight:700;margin-bottom:8px;line-height:1.4}.blog-card h3 a:hover{color:var(--accent-cyan)}.blog-excerpt{color:var(--text-secondary);font-size:.88rem;line-height:1.7;margin-bottom:14px}.blog-read-more{font-size:.85rem;font-weight:700;color:var(--accent-cyan);display:inline-flex;align-items:center;gap:4px}.blog-read-more:hover{gap:8px}
.cta-banner{background:linear-gradient(135deg,rgba(0,229,255,0.06) 0%,rgba(124,77,255,0.06) 100%);border-top:var(--border-subtle);border-bottom:var(--border-subtle);padding:80px 0;text-align:center}.cta-banner h2{font-family:var(--font-display);font-size:2.5rem;font-weight:900;margin-bottom:16px}.cta-banner p{color:var(--text-secondary);font-size:1.1rem;margin-bottom:32px;max-width:600px;margin-left:auto;margin-right:auto}.cta-timer{display:inline-flex;gap:16px;margin-bottom:28px}.timer-block{background:var(--bg-card);border:var(--border-subtle);border-radius:var(--radius-sm);padding:12px 18px;text-align:center;min-width:70px}.timer-block .timer-num{font-family:var(--font-mono);font-size:1.8rem;font-weight:800;color:var(--accent-cyan)}.timer-block .timer-label{font-size:.65rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}
.site-footer{background:var(--bg-secondary);border-top:var(--border-subtle);padding:80px 0 0}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:60px}.footer-brand p{color:var(--text-secondary);font-size:.9rem;line-height:1.7;margin-top:14px;max-width:320px}.footer-col h5{font-family:var(--font-display);font-weight:700;font-size:.95rem;margin-bottom:18px;color:var(--text-primary)}.footer-col a{display:block;padding:5px 0;color:var(--text-muted);font-size:.88rem}.footer-col a:hover{color:var(--accent-cyan)}.footer-bottom{border-top:var(--border-subtle);padding:24px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}.footer-bottom p{font-size:.8rem;color:var(--text-muted)}.footer-disclaimer{padding:20px 0;border-top:1px solid rgba(255,255,255,0.03);font-size:.72rem;color:var(--text-muted);line-height:1.7;text-align:center;max-width:900px;margin:0 auto}
.purchase-popup{position:fixed;bottom:20px;left:20px;background:var(--bg-card);border:var(--border-subtle);border-radius:var(--radius-md);padding:16px 20px;display:flex;align-items:center;gap:14px;box-shadow:var(--shadow-card);z-index:9998;transform:translateX(-120%);transition:transform .5s cubic-bezier(.25,.46,.45,.94);max-width:340px}.purchase-popup.show{transform:translateX(0)}.popup-icon{flex-shrink:0;width:40px;height:40px;background:rgba(0,191,165,0.1);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem}.popup-text .popup-name{font-weight:700;font-size:.85rem}.popup-text .popup-action{font-size:.78rem;color:var(--text-muted)}.popup-text .popup-time{font-size:.72rem;color:var(--accent-teal)}
.breadcrumbs{padding:100px 0 20px}.breadcrumbs-list{display:flex;align-items:center;gap:8px;font-size:.82rem;color:var(--text-muted)}.breadcrumbs-list a:hover{color:var(--accent-cyan)}.breadcrumbs-list .sep{opacity:.4}
.page-hero{padding:140px 0 60px;background:var(--gradient-hero);position:relative}.page-hero h1{font-family:var(--font-display);font-size:clamp(2rem,4vw,3rem);font-weight:900;letter-spacing:-1px;margin-bottom:16px}.page-hero p{color:var(--text-secondary);font-size:1.1rem;max-width:700px}
.article-content{max-width:820px;margin:0 auto;padding:60px 24px}.article-content h2{font-family:var(--font-display);font-size:1.8rem;font-weight:800;margin:48px 0 16px;letter-spacing:-.5px}.article-content h3{font-family:var(--font-display);font-size:1.3rem;font-weight:700;margin:36px 0 12px}.article-content p{color:var(--text-secondary);font-size:1rem;line-height:1.9;margin-bottom:18px}.article-content ul,.article-content ol{margin:16px 0 24px 24px;color:var(--text-secondary)}.article-content li{margin-bottom:8px;list-style:disc;font-size:.95rem;line-height:1.7}.article-content ol li{list-style:decimal}.article-content a{color:var(--accent-cyan);border-bottom:1px dashed rgba(0,229,255,0.3)}.article-content a:hover{border-bottom-style:solid}.article-content .info-box{background:var(--bg-card);border-left:3px solid var(--accent-cyan);border-radius:var(--radius-sm);padding:20px 24px;margin:24px 0}.article-content .info-box p{margin-bottom:0}
.article-toc{background:var(--bg-card);border:var(--border-subtle);border-radius:var(--radius-md);padding:24px 28px;margin-bottom:40px}.article-toc h4{font-family:var(--font-display);font-weight:700;margin-bottom:12px}.article-toc ol{margin:0;padding-left:20px}.article-toc li{margin-bottom:6px;list-style:decimal}.article-toc a{border-bottom:none}
@media(max-width:1024px){.hero-grid{grid-template-columns:1fr;text-align:center}.hero-subtitle{margin:0 auto 32px}.hero-stats{justify-content:center}.hero-actions{justify-content:center}.hero-visual{margin-top:40px}.what-is-grid{grid-template-columns:1fr}.science-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.testimonials-track{grid-template-columns:1fr}}
@media(max-width:768px){.main-nav{display:none;position:fixed;top:72px;left:0;right:0;bottom:0;background:var(--bg-primary);flex-direction:column;padding:24px;gap:4px;overflow-y:auto}.main-nav.active{display:flex}.main-nav .dropdown-menu{position:static;opacity:1;visibility:visible;transform:none;background:rgba(0,229,255,0.03);border:none;margin-top:4px}.mobile-toggle{display:flex}.header-cta-desktop{display:none}.hero-product-wrap{width:300px;height:300px}.hero-product-ring{width:280px;height:280px}.hero-product-ring-2{width:240px;height:240px}.hero-brain-svg{width:180px;height:180px}.hero-stats{gap:20px}.steps-timeline::before{left:24px}.step-number{width:48px;height:48px;font-size:1rem}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;text-align:center}.cta-timer{gap:10px}.timer-block{padding:10px 14px;min-width:60px}.blog-grid{grid-template-columns:1fr}}
@media(max-width:480px){.hero h1{font-size:2rem}.section-title{font-size:1.8rem}.pricing-amount{font-size:3rem}.hero-float-badge{display:none}}
.reveal{opacity:0;transform:translateY(40px);transition:opacity .8s ease,transform .8s ease}.reveal.visible{opacity:1;transform:translateY(0)}.reveal-delay-1{transition-delay:.1s}.reveal-delay-2{transition-delay:.2s}.reveal-delay-3{transition-delay:.3s}