:root{--bg-primary:#07090e;--bg-secondary:#0d111a;--bg-tertiary:#131a27;--bg-card:#0f1623bf;--bg-card-hover:#162032e6;--border-subtle:#ffffff14;--border-glow:#00ff874d;--neon-green:#00ff87;--neon-green-glow:#00ff8759;--neon-cyan:#00f0ff;--neon-cyan-glow:#00f0ff59;--blaze-orange:#ff5e36;--blaze-orange-glow:#ff5e3659;--hyper-violet:#8b5cf6;--hyper-violet-glow:#8b5cf659;--accent-amber:#ffb800;--accent-red:#f36;--text-primary:#f3f6fd;--text-secondary:#94a3b8;--text-muted:#64748b;--text-highlight:#fff;--font-display:"Outfit", sans-serif;--font-body:"Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono:"JetBrains Mono", monospace;--font-athletic:"Syne", sans-serif;--radius-sm:8px;--radius-md:14px;--radius-lg:22px;--radius-full:9999px;--shadow-card:0 10px 30px -10px #000000b3, 0 0 1px #ffffff1a;--shadow-neon:0 0 25px var(--neon-green-glow);--shadow-cyan:0 0 25px var(--neon-cyan-glow);--transition-fast:.18s cubic-bezier(.16, 1, .3, 1);--transition-smooth:.3s cubic-bezier(.16, 1, .3, 1)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-body);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{min-height:100vh;color:var(--text-primary);background:radial-gradient(circle at 50% 0,#101a2d 0%,#07090e 65%,#050609 100%);line-height:1.55;position:relative;overflow-x:hidden}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:#1e293b;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--neon-green)}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);color:var(--text-highlight);letter-spacing:-.02em;font-weight:700}.athletic-title{font-family:var(--font-athletic);letter-spacing:-.03em;text-transform:uppercase}.canvas-container{pointer-events:none;z-index:0;opacity:.45;width:100vw;height:100vh;position:fixed;top:0;left:0}.app-shell{z-index:1;flex-direction:column;min-height:100vh;display:flex;position:relative}.main-content{flex:1;width:100%;max-width:1360px;margin:0 auto;padding:0 1.5rem 4rem}.glass-panel{background:var(--bg-card);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-subtle);border-radius:var(--radius-md);box-shadow:var(--shadow-card);transition:transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth)}.glass-panel:hover{border-color:#ffffff29}.btn-athletic{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.04em;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);-webkit-user-select:none;user-select:none;border:1px solid #0000;justify-content:center;align-items:center;gap:.6rem;padding:.75rem 1.4rem;font-size:.95rem;font-weight:700;text-decoration:none;display:inline-flex;position:relative;overflow:hidden}.btn-primary{color:#05140a;background:linear-gradient(135deg,#00ff87 0%,#60efa0 100%);box-shadow:0 4px 20px #00ff8759}.btn-primary:hover{background:linear-gradient(135deg,#24ff96 0%,#75ffb0 100%);transform:translateY(-2px);box-shadow:0 8px 28px #00ff878c}.btn-cyan{color:#031b20;background:linear-gradient(135deg,#00f0ff 0%,#5be4ff 100%);box-shadow:0 4px 20px #00f0ff59}.btn-cyan:hover{transform:translateY(-2px);box-shadow:0 8px 28px #00f0ff8c}.btn-secondary{color:var(--text-primary);border:1px solid var(--border-subtle);background:#ffffff0d}.btn-secondary:hover{background:#ffffff1a;border-color:#ffffff40;transform:translateY(-2px)}.btn-ghost{color:var(--text-secondary);background:0 0}.btn-ghost:hover{color:var(--text-primary);background:#ffffff0d}.badge-pill{font-size:.72rem;font-weight:700;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.05em;border-radius:var(--radius-full);border:1px solid #0000;align-items:center;gap:.35rem;padding:.25rem .65rem;display:inline-flex}.badge-grade-a{color:#00ff87;background:#00ff871f;border-color:#00ff874d}.badge-grade-b{color:#00f0ff;background:#00f0ff1f;border-color:#00f0ff4d}.badge-grade-c{color:#ffb800;background:#ffb8001f;border-color:#ffb8004d}.badge-grade-d{color:#f36;background:#ff33661f;border-color:#ff33664d}.site-header{z-index:50;-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-subtle);background:#07090ed9;width:100%;padding:.85rem 1.5rem;position:sticky;top:0}.nav-inner{justify-content:space-between;align-items:center;gap:1.5rem;max-width:1360px;margin:0 auto;display:flex}.brand-logo{color:var(--text-highlight);font-family:var(--font-athletic);letter-spacing:-.04em;align-items:center;gap:.65rem;font-size:1.35rem;font-weight:900;text-decoration:none;display:flex}.brand-dot{background:var(--neon-green);width:9px;height:9px;box-shadow:0 0 12px var(--neon-green);border-radius:50%;animation:2s ease-in-out infinite pulseDot}@keyframes pulseDot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(1.35)}}.nav-links{align-items:center;gap:.4rem;display:flex}.nav-tab-btn{color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:1px solid #0000;align-items:center;gap:.45rem;padding:.55rem 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3rem;position:relative}.hero-glow-blob{filter:blur(60px);pointer-events:none;z-index:-1;background:radial-gradient(circle,#00ff8726 0%,#00f0ff0d 50%,#0000 70%);width:600px;height:350px;position:absolute;top:10%;left:50%;transform:translate(-50%)}.hero-badge-tag{border-radius:var(--radius-full);font-family:var(--font-mono);color:var(--neon-green);text-transform:uppercase;background:#00ff8714;border:1px solid #00ff874d;align-items:center;gap:.5rem;margin-bottom:1.5rem;padding:.4rem .9rem;font-size:.78rem;display:inline-flex}.hero-title{max-width:900px;margin-bottom:1.25rem;font-size:clamp(2.5rem,5.5vw,4.5rem);line-height:1.05}.gradient-text-green{background:linear-gradient(135deg,#00ff87 0%,#00f0ff 80%);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.hero-description{color:var(--text-secondary);max-width:680px;margin-bottom:2rem;font-size:clamp(1.05rem,1.3vw,1.25rem);line-height:1.6}.hero-cta-group{flex-wrap:wrap;align-items:center;gap:1rem;margin-bottom:3rem;display:flex}.hero-stats-row{border-top:1px solid var(--border-subtle);grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1.2rem;padding-top:1.5rem;display:grid}.stat-box{border:1px solid var(--border-subtle);border-radius:var(--radius-md);transition:transform var(--transition-fast);background:#0f162380;padding:1.2rem 1.4rem}.stat-box:hover{border-color:#ffffff26;transform:translateY(-3px)}.stat-number{font-family:var(--font-athletic);margin-bottom:.4rem;font-size:2.2rem;font-weight:800;line-height:1}.stat-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;font-size:.8rem;font-weight:600}.filter-bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.8rem;display:flex}.category-chips{flex-wrap:wrap;gap:.45rem;display:flex}.chip-btn{border:1px solid var(--border-subtle);border-radius:var(--radius-full);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);background:#ffffff0a;padding:.45rem .9rem;font-size:.82rem;font-weight:600}.chip-btn:hover{color:var(--text-primary);background:#ffffff14}.chip-btn.active{color:var(--neon-green);background:#00ff871f;border-color:#00ff8766}.tier-pills{gap:.4rem;display:flex}.tier-pill-btn{border-radius:var(--radius-sm);font-size:.78rem;font-family:var(--font-mono);cursor:pointer;transition:all var(--transition-fast);border:1px solid var(--border-subtle);color:var(--text-muted);background:#ffffff08;padding:.35rem .75rem;font-weight:700}.tier-pill-btn.active{background:var(--bg-tertiary);color:var(--text-highlight);border-color:#ffffff4d}.supplements-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem;display:grid}.supplement-card{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-subtle);border-radius:var(--radius-md);transition:all var(--transition-smooth);cursor:pointer;flex-direction:column;justify-content:space-between;padding:1.5rem;display:flex;position:relative;overflow:hidden}.supplement-card:before{content:"";width:100%;height:3px;transition:background var(--transition-smooth);background:0 0;position:absolute;top:0;left:0}.supplement-card:hover{border-color:#fff3;transform:translateY(-4px);box-shadow:0 16px 35px -10px #000c,0 0 20px #00ff871f}.supplement-card.tier-A:hover:before{background:var(--neon-green)}.supplement-card.tier-B:hover:before{background:var(--neon-cyan)}.supplement-card.tier-C:hover:before{background:var(--accent-amber)}.supplement-card.tier-D:hover:before{background:var(--accent-red)}.card-top{justify-content:space-between;align-items:flex-start;margin-bottom:.9rem;display:flex}.card-category{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.75rem;font-weight:600}.card-title{margin-bottom:.5rem;font-size:1.28rem;font-weight:700;line-height:1.25}.card-headline{color:var(--text-secondary);flex:1;margin-bottom:1.2rem;font-size:.88rem;line-height:1.5}.card-benefits-bars{border-radius:var(--radius-sm);background:#00000040;flex-direction:column;gap:.45rem;margin-bottom:1.2rem;padding:.85rem;display:flex}.benefit-metric-row{justify-content:space-between;align-items:center;font-size:.74rem;display:flex}.benefit-metric-name{color:var(--text-muted);font-weight:600}.benefit-bar-track{background:#ffffff14;border-radius:999px;width:130px;height:5px;overflow:hidden}.benefit-bar-fill{background:linear-gradient(90deg,#00ff87,#00f0ff);border-radius:999px;height:100%}.card-footer{border-top:1px solid var(--border-subtle);justify-content:space-between;align-items:center;padding-top:1rem;display:flex}.card-dose-snippet{font-size:.76rem;font-family:var(--font-mono);color:var(--text-muted)}.card-btn-add{color:var(--neon-green);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);background:#00ff871a;border:1px solid #00ff874d;align-items:center;gap:.35rem;padding:.4rem .75rem;font-size:.78rem;font-weight:700;display:inline-flex}.card-btn-add:hover{background:var(--neon-green);color:#05140a}.card-btn-add.in-stack{color:var(--text-secondary);background:#ffffff14;border-color:#ffffff26}.modal-backdrop{z-index:100;-webkit-backdrop-filter:blur(14px);background:#030508d9;justify-content:center;align-items:center;padding:1.5rem;animation:.2s ease-out fadeInModal;display:flex;position:fixed;inset:0;overflow-y:auto}@keyframes fadeInModal{0%{opacity:0}to{opacity:1}}.modal-card{border-radius:var(--radius-lg);background:#0b1019;border:1px solid #ffffff1f;width:100%;max-width:820px;animation:.25s cubic-bezier(.16,1,.3,1) slideUpModal;position:relative;overflow:hidden;box-shadow:0 25px 60px -15px #000000e6,0 0 40px #00ff871a}@keyframes slideUpModal{0%{opacity:0;transform:translateY(20px)scale(.97)}to{opacity:1;transform:translateY(0)scale(1)}}.modal-header{border-bottom:1px solid var(--border-subtle);background:#ffffff05;justify-content:space-between;align-items:center;padding:1.5rem 1.8rem;display:flex}.modal-close-btn{border:1px solid var(--border-subtle);width:36px;height:36px;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);background:#ffffff0d;border-radius:50%;justify-content:center;align-items:center;display:flex}.modal-close-btn:hover{color:var(--text-highlight);background:#ffffff26;transform:rotate(90deg)}.modal-body{max-height:calc(85vh - 120px);padding:1.8rem;overflow-y:auto}.quiz-stepper-track{gap:.5rem;margin-bottom:2rem;display:flex}.quiz-step-bar{background:#ffffff14;border-radius:999px;flex:1;height:4px;position:relative;overflow:hidden}.quiz-step-bar.active{background:linear-gradient(90deg,#00ff87,#00f0ff);box-shadow:0 0 10px #00ff8780}.quiz-question-title{margin-bottom:.5rem;font-size:1.65rem;line-height:1.2}.quiz-question-subtitle{color:var(--text-secondary);margin-bottom:1.8rem;font-size:.95rem}.quiz-options-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem;margin-bottom:2rem;display:grid}.quiz-option-card{border:1px solid var(--border-subtle);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);background:#ffffff08;align-items:flex-start;gap:1rem;padding:1.25rem;display:flex}.quiz-option-card:hover{background:#ffffff12;border-color:#00ff874d;transform:translateY(-2px)}.quiz-option-card.selected{border-color:var(--neon-green);background:#00ff8714;box-shadow:0 0 20px #00ff8733}.quiz-option-icon{border-radius:var(--radius-sm);width:44px;height:44px;color:var(--neon-green);background:#ffffff0d;flex-shrink:0;justify-content:center;align-items:center;display:flex}.study-card-item{border:1px solid var(--border-subtle);border-radius:var(--radius-sm);background:#00000059;margin-bottom:.9rem;padding:1.1rem}.study-pmid-link{color:var(--neon-cyan);font-family:var(--font-mono);align-items:center;gap:.35rem;font-size:.78rem;font-weight:700;text-decoration:none;display:inline-flex}.study-pmid-link:hover{text-decoration:underline}.timeline-slot{margin-bottom:1.8rem}.timeline-slot-header{border-radius:var(--radius-sm);border-left:3px solid var(--neon-green);background:#ffffff0a;align-items:center;gap:.65rem;margin-bottom:.85rem;padding:.6rem 1rem;display:flex}.timeline-items-row{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:.85rem;display:grid}.synergy-card{border-radius:var(--radius-sm);align-items:flex-start;gap:1rem;margin-bottom:1rem;padding:1.1rem;display:flex}.synergy-card.positive{background:#00ff870f;border:1px solid #00ff8740}.synergy-card.conflict{background:#ff336614;border:1px solid #ff33664d}.range-slider-athletic{appearance:none;background:#ffffff1a;border-radius:999px;outline:none;width:100%;height:8px;margin:1rem 0}.range-slider-athletic::-webkit-slider-thumb{appearance:none;background:var(--neon-green);width:24px;height:24px;box-shadow:0 0 15px var(--neon-green);cursor:pointer;border:2px solid #05140a;border-radius:50%}@keyframes floatGentle{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.float-animation{animation:5s ease-in-out infinite floatGentle}@keyframes pulseGlow{0%,to{box-shadow:0 0 20px #00ff8733}50%{box-shadow:0 0 35px #00ff8780}}.pulse-glow-box{animation:3s ease-in-out infinite pulseGlow}@media (width<=900px){.hero-title{font-size:2.5rem}.nav-links{display:none}.header-search{width:180px}}@media (width<=640px){.main-content{padding:0 1rem 3rem}.hero-stats-row{grid-template-columns:1fr 1fr}.quiz-options-grid{grid-template-columns:1fr}}