.byt-header{background:var(--surface-bg);border-bottom:2px solid var(--surface-border-strong);z-index:9999;box-sizing:border-box;width:100%;transition:box-shadow var(--motion-base) var(--ease-snappy);position:fixed;top:0;left:0;right:0}.byt-header.is-scrolled{box-shadow:0 6px 0 0 #000, 0 7px 0 0 var(--surface-border-strong)}.byt-header__bar{justify-content:space-between;align-items:stretch;gap:1.5rem;max-width:1440px;min-height:84px;margin:0 auto;padding:0 1.5rem;display:flex}.byt-header__logo{color:var(--text-primary);transition:transform var(--motion-base) var(--ease-snappy);flex-shrink:0;align-items:center;gap:.875rem;padding:.75rem 0;text-decoration:none;display:flex}.byt-header__logo:hover{transform:translate(-1px,-1px)}.byt-header__logo:focus-visible{outline:2px solid var(--accent-primary);outline-offset:4px}.byt-header__logo-mark{border:2px solid var(--accent-primary);background:var(--surface-bg-sunken);flex-shrink:0;width:52px;height:52px;display:inline-flex;overflow:hidden;box-shadow:4px 4px #000}.byt-header__logo-mark img{object-fit:cover;width:100%;height:100%;display:block}.byt-header__wordmark{flex-direction:column;gap:.25rem;line-height:.85;display:flex}.byt-header__wordmark-line{font-family:var(--font-display);letter-spacing:var(--tracking-tight);text-transform:uppercase;color:var(--text-primary);font-size:1.75rem;font-weight:900}.byt-header__wordmark-meta{font-family:var(--font-mono);font-size:var(--type-mono-xs);color:var(--text-muted);letter-spacing:var(--tracking-wider);text-transform:uppercase;align-items:center;gap:.5rem;display:flex}.byt-header__wordmark-est{color:var(--accent-primary)}.byt-header__nav{flex:1;justify-content:center;align-items:center;display:flex}.byt-header__nav-list{align-items:stretch;gap:0;margin:0;padding:0;list-style:none;display:flex}.byt-header__nav-item{align-items:stretch;display:flex;position:relative}.byt-header__nav-link{color:var(--text-primary);font-family:var(--font-body);letter-spacing:var(--tracking-wider);text-transform:uppercase;border-right:1px dashed var(--surface-border);transition:background var(--motion-fast) var(--ease-snappy), color var(--motion-fast) var(--ease-snappy);align-items:center;gap:.5rem;padding:0 1.25rem;font-size:.8125rem;font-weight:600;text-decoration:none;display:inline-flex}.byt-header__nav-item:first-child .byt-header__nav-link{border-left:1px dashed var(--surface-border)}.byt-header__nav-num{font-family:var(--font-mono);font-size:var(--type-mono-xs);color:var(--accent-primary);font-weight:500}.byt-header__nav-slash{color:var(--text-muted);font-family:var(--font-mono)}.byt-header__nav-link:hover,.byt-header__nav-link:focus-visible{background:var(--accent-primary);color:#000;outline:none}.byt-header__nav-link:hover .byt-header__nav-num,.byt-header__nav-link:focus-visible .byt-header__nav-num,.byt-header__nav-link:hover .byt-header__nav-slash,.byt-header__nav-link:focus-visible .byt-header__nav-slash{color:#000}.byt-header__dropdown{background:var(--surface-bg);border:2px solid var(--surface-border-strong);opacity:0;visibility:hidden;min-width:240px;transition:opacity var(--motion-fast) var(--ease-snappy), transform var(--motion-fast) var(--ease-snappy), visibility var(--motion-fast) var(--ease-snappy);pointer-events:none;z-index:100;padding:.875rem 0;position:absolute;top:calc(100% - 1px);left:0;transform:translateY(-6px);box-shadow:6px 6px #000}.byt-header__dropdown.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}.byt-header__dropdown-eyebrow{font-family:var(--font-mono);font-size:var(--type-mono-xs);letter-spacing:var(--tracking-wider);color:var(--text-muted);text-transform:uppercase;border-bottom:1px dashed var(--surface-border);margin-bottom:.5rem;padding:0 1.25rem .5rem;display:block}.byt-header__dropdown-list{margin:0;padding:0;list-style:none}.byt-header__dropdown-link{color:var(--text-primary);font-family:var(--font-body);text-transform:uppercase;letter-spacing:var(--tracking-wide);transition:background var(--motion-fast) var(--ease-snappy), padding var(--motion-fast) var(--ease-snappy);align-items:baseline;gap:.625rem;padding:.625rem 1.25rem;font-size:.95rem;font-weight:500;text-decoration:none;display:flex}.byt-header__dropdown-num{font-family:var(--font-mono);font-size:var(--type-mono-xs);color:var(--accent-primary)}.byt-header__dropdown-link:hover,.byt-header__dropdown-link:focus-visible{background:var(--accent-primary-tint);outline:none;padding-left:1.5rem}.byt-header__actions{flex-shrink:0;align-items:center;gap:0;display:flex}.byt-header__action{appearance:none;border:1px dashed var(--surface-border);color:var(--text-primary);cursor:pointer;min-width:72px;font-family:var(--font-body);letter-spacing:var(--tracking-wider);text-transform:uppercase;transition:background var(--motion-fast) var(--ease-snappy), color var(--motion-fast) var(--ease-snappy);background:0 0;flex-direction:column;align-items:center;gap:.25rem;padding:.625rem .875rem;font-size:.625rem;font-weight:700;display:inline-flex}.byt-header__action+.byt-header__action{border-left:none}.byt-header__action:hover,.byt-header__action:focus-visible{background:var(--accent-primary);color:#000;outline:none}.byt-header__action-icon{width:22px;height:22px;display:inline-flex;position:relative}.byt-header__action-icon svg{stroke:currentColor;width:22px;height:22px}.byt-header__cart-badge{background:var(--accent-secondary);color:#fff;min-width:18px;height:18px;font-family:var(--font-mono);font-size:var(--type-mono-xs);border:2px solid #000;justify-content:center;align-items:center;padding:0 4px;font-weight:700;display:inline-flex;position:absolute;top:-8px;right:-10px}.byt-header__action-label{font-size:.625rem;font-weight:700}.byt-hamburger{border:1px dashed var(--surface-border);cursor:pointer;z-index:10000;width:56px;height:56px;transition:background var(--motion-fast) var(--ease-snappy);background:0 0;border-left:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;display:none;position:relative}.byt-hamburger:hover,.byt-hamburger:focus-visible{background:var(--accent-primary);outline:none}.byt-hamburger__line{background:var(--text-primary);width:24px;height:2px;transition:transform var(--motion-base) var(--ease-snappy), opacity var(--motion-fast) var(--ease-snappy), background var(--motion-fast) var(--ease-snappy);display:block}.byt-hamburger:hover .byt-hamburger__line,.byt-hamburger:focus-visible .byt-hamburger__line{background:#000}.byt-hamburger.is-open .byt-hamburger__line:first-child{transform:rotate(45deg)translate(5px,5px)}.byt-hamburger.is-open .byt-hamburger__line:nth-child(2){opacity:0}.byt-hamburger.is-open .byt-hamburger__line:nth-child(3){transform:rotate(-45deg)translate(5px,-5px)}.byt-mobile-menu{background:var(--surface-bg);visibility:hidden;opacity:0;width:100%;height:100dvh;transition:opacity var(--motion-base) var(--ease-snappy), visibility var(--motion-base) var(--ease-snappy);z-index:9998;box-sizing:border-box;padding-top:84px;position:fixed;top:0;left:0;overflow:hidden auto}.byt-mobile-menu.is-open{opacity:1;visibility:visible}.byt-mobile-menu__pattern{pointer-events:none;opacity:.6;position:absolute;inset:0}.byt-mobile-menu__inner{z-index:1;flex-direction:column;gap:1.5rem;min-height:100%;padding:1.5rem 1.5rem 3rem;display:flex;position:relative}.byt-mobile-menu__eyebrow{font-family:var(--font-mono);font-size:var(--type-mono-sm);letter-spacing:var(--tracking-wider);color:var(--accent-primary);text-transform:uppercase;border-bottom:2px solid var(--surface-border-strong);padding-bottom:.5rem}.byt-mobile-menu__list{flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.byt-mobile-menu__item{border-bottom:2px solid var(--surface-border)}.byt-mobile-menu__link{color:var(--text-primary);font-family:var(--font-display);letter-spacing:var(--tracking-tight);text-transform:uppercase;transition:background var(--motion-fast) var(--ease-snappy), color var(--motion-fast) var(--ease-snappy), padding-left var(--motion-base) var(--ease-snappy);align-items:baseline;gap:.875rem;padding:1.25rem .5rem;font-size:clamp(2.5rem,9vw,4rem);font-weight:900;line-height:1;text-decoration:none;display:flex}.byt-mobile-menu__link:hover,.byt-mobile-menu__link:focus-visible{background:var(--accent-primary);color:#000;outline:none;padding-left:1.5rem}.byt-mobile-menu__num{font-family:var(--font-mono);color:var(--accent-primary);letter-spacing:0;font-size:1rem;font-weight:500}.byt-mobile-menu__link:hover .byt-mobile-menu__num,.byt-mobile-menu__link:focus-visible .byt-mobile-menu__num{color:#000}.byt-mobile-menu__sub{margin:0;padding:0 0 1rem 2.5rem;list-style:none}.byt-mobile-menu__sub-link{color:var(--text-secondary);font-family:var(--font-body);letter-spacing:var(--tracking-wide);text-transform:uppercase;transition:color var(--motion-fast) var(--ease-snappy);align-items:baseline;gap:.625rem;padding:.625rem 0;font-size:1rem;font-weight:500;text-decoration:none;display:flex}.byt-mobile-menu__sub-link:hover,.byt-mobile-menu__sub-link:focus-visible{color:var(--accent-primary);outline:none}.byt-mobile-menu__sub-num{font-family:var(--font-mono);font-size:var(--type-mono-xs);color:var(--accent-primary)}.byt-mobile-menu__footer{font-family:var(--font-mono);font-size:var(--type-mono-xs);letter-spacing:var(--tracking-wider);color:var(--text-muted);text-transform:uppercase;border-top:1px dashed var(--surface-border);margin-top:auto;padding-top:1.5rem}@media (width<=1024px){.byt-header__nav{display:none}.byt-hamburger{display:flex}}@media (width<=768px){.byt-header__bar{gap:.75rem;min-height:72px;padding:0 1rem}.byt-header__logo{gap:.625rem}.byt-header__logo-mark{width:44px;height:44px}.byt-header__wordmark-line{font-size:1.375rem}.byt-header__wordmark-meta{gap:.375rem;font-size:.6rem}.byt-header__action{min-width:56px;padding:.5rem .625rem}.byt-header__action-label{display:none}.byt-header__action{min-width:48px;height:56px}.byt-mobile-menu{padding-top:72px}}@media (width<=480px){.byt-header__bar{min-height:64px;padding:0 .75rem}.byt-header__logo-mark{width:40px;height:40px}.byt-header__wordmark-line{font-size:1.125rem}.byt-header__wordmark-meta{display:none}.byt-header__action{min-width:44px;height:48px;padding:.375rem .5rem}.byt-hamburger{width:48px;height:48px}.byt-mobile-menu{padding-top:64px}.byt-mobile-menu__inner{padding:1rem 1rem 2rem}.byt-mobile-menu__link{gap:.5rem;padding:1rem .25rem;font-size:clamp(2rem,11vw,3rem)}.byt-mobile-menu__num{font-size:.875rem}}@media (prefers-reduced-motion:reduce){.byt-header,.byt-header__logo,.byt-header__nav-link,.byt-header__action,.byt-hamburger,.byt-hamburger__line,.byt-mobile-menu,.byt-mobile-menu__link,.byt-mobile-menu__sub-link,.byt-header__dropdown,.byt-header__dropdown-link{transition:none!important}}.cart-overlay{z-index:var(--z-cart-backdrop);background:#0009;animation:.3s fadeIn;position:fixed;inset:0}.cart-drawer{background:var(--cyber-bg);border-left:2px solid var(--cyber-purple);width:400px;max-width:90vw;height:100dvh;z-index:var(--z-cart);transition:right var(--transition-base);flex-direction:column;display:flex;position:fixed;top:0;right:-400px;overflow:hidden;box-shadow:-5px 0 30px #00000080}.cart-drawer.open{right:0}.cart-header{background:#9d4edd1a;border-bottom:2px solid #9d4edd4d;flex-direction:column;align-items:center;gap:.75rem;padding:1.5rem;display:flex;position:relative}.cart-header h2{color:var(--cyber-cyan);text-shadow:0 0 20px var(--cyber-cyan);letter-spacing:3px;text-align:center;width:100%;margin:0;font-family:Warbones,sans-serif;font-size:3.5rem;font-weight:400}.cart-close-btn{color:var(--cyber-cyan);border:2px solid var(--cyber-cyan);cursor:pointer;width:36px;min-width:36px;height:36px;min-height:36px;transition:all var(--transition-base);background:0 0;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;padding:6px;display:flex;position:absolute;top:1rem;right:1rem}.cart-close-btn svg{width:100%;height:100%}.cart-close-btn:hover{background:var(--cyber-cyan);color:var(--cyber-bg);transform:rotate(90deg)}.cart-content{flex:1;padding:1.5rem;overflow-y:auto}.cart-content::-webkit-scrollbar{width:8px}.cart-content::-webkit-scrollbar-track{background:#0a0e2780}.cart-content::-webkit-scrollbar-thumb{background:var(--cyber-purple);border-radius:4px}.cart-empty{text-align:center;padding:3rem 1rem}.cart-empty p{color:var(--cyber-cyan);margin-bottom:.5rem;font-size:1.25rem}.cart-empty-sub{color:#ffffff80;font-size:1rem}.cart-items{flex-direction:column;gap:1rem;display:flex}.cart-item{transition:all var(--transition-base);background:#0a0e2780;border:1px solid #9d4edd33;grid-template-columns:80px 1fr;gap:1rem;padding:1rem;display:grid}.cart-item:hover{background:#9d4edd0d;border-color:#9d4edd80}.cart-item-image{border:1px solid #9d4edd4d;width:80px;height:100px;overflow:hidden}.cart-item-image img{object-fit:cover;width:100%;height:100%}.cart-item-details{flex-direction:column;gap:.25rem;display:flex}.cart-item-details h3{color:#fff;font-size:1rem;font-weight:700;line-height:1.3}.cart-item-variant{color:#fff9;font-size:.875rem}.cart-item-price{color:var(--cyber-green,#0f8);margin-top:auto;font-size:1.125rem;font-weight:700}.cart-item-controls{grid-column:2;justify-content:space-between;align-items:center;margin-top:.5rem;display:flex}.quantity-controls-mini{background:#0a0e27cc;border:1px solid #9d4edd4d;border-radius:4px;align-items:center;gap:.5rem;display:flex;overflow:hidden}.quantity-controls-mini button{color:var(--cyber-cyan);cursor:pointer;width:32px;height:32px;transition:all var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;padding:0;font-size:1.25rem;line-height:1;display:flex}.quantity-controls-mini button:hover{background:#00f5ff1a}.quantity-controls-mini span{color:#fff;text-align:center;min-width:30px;font-weight:700}.cart-item-remove{color:var(--cyber-pink);border:1px solid var(--cyber-pink);cursor:pointer;transition:all var(--transition-base);background:0 0;padding:.25rem .75rem;font-size:.875rem}.cart-item-remove:hover{background:var(--cyber-pink);color:#fff}.cart-footer{background:#9d4edd0d;border-top:2px solid #9d4edd4d;padding:1.5rem}.cart-total{justify-content:space-between;align-items:center;margin-bottom:1rem;font-size:1.25rem;font-weight:700;display:flex}.cart-total span:first-child{color:#fffc}.cart-total-amount{color:var(--cyber-green,#0f8);text-shadow:0 0 10px #00ff8880;font-size:1.5rem}.cart-checkout-btn{background:var(--cyber-cyan);width:100%;color:var(--cyber-bg);letter-spacing:1px;cursor:pointer;transition:all var(--transition-base);border:none;margin-bottom:.75rem;padding:1rem;font-size:1.125rem;font-weight:800}.cart-checkout-btn:hover{background:var(--cyber-pink);transform:translateY(-2px);box-shadow:0 4px 20px #ff006e80}.cart-clear-btn{color:#ffffff80;cursor:pointer;width:100%;transition:all var(--transition-base);background:0 0;border:1px solid #fff3;padding:.75rem;font-size:.875rem}.cart-clear-btn:hover{border-color:var(--cyber-pink);color:var(--cyber-pink)}@media (width<=768px){.cart-close-btn,.quantity-controls-mini button{width:var(--touch-target-min);height:var(--touch-target-min);min-width:var(--touch-target-min);min-height:var(--touch-target-min)}.cart-item-remove{min-height:var(--touch-target-min);padding:.5rem 1rem}.cart-checkout-btn,.cart-clear-btn{min-height:var(--touch-target-min)}}@media (width<=640px){.cart-drawer{width:100%;right:-100%}.cart-header{padding:1rem;padding-top:max(1rem, env(safe-area-inset-top))}.cart-header h2{font-size:1.25rem}.cart-content{padding:1rem}.cart-item{grid-template-columns:60px 1fr;padding:.75rem}.cart-item-image{width:60px;height:75px}.cart-footer{padding-bottom:max(1.5rem, env(safe-area-inset-bottom))}}