.mobile-menu-btn{display:none;background:0 0;border:none;padding:.5rem;cursor:pointer;color:var(--obrk-white);transition:transform .2s ease}.mobile-menu-btn:hover{transform:scale(1.05)}.mobile-menu-btn:focus-visible{outline:2px solid var(--obrk-green-secondary);outline-offset:2px;border-radius:var(--radius-sm,4px)}.mobile-menu-btn:active{transform:scale(.95)}.hamburger{display:flex;flex-direction:column;gap:4px;width:28px;height:20px}.hamburger .bar{display:block;width:100%;height:3px;background:var(--obrk-white);border-radius:2px;transition:all .3s cubic-bezier(.4, 0, .2, 1);transform-origin:center}.mobile-menu-btn[aria-expanded=true] .bar:first-child{transform:translateY(7px) rotate(45deg)}.mobile-menu-btn[aria-expanded=true] .bar:nth-child(2){opacity:0;transform:scaleX(0)}.mobile-menu-btn[aria-expanded=true] .bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.mobile-menu{position:fixed;top:0;left:0;width:100%;height:100vh;height:100dvh;overflow:hidden;opacity:0;visibility:hidden;transition:opacity .3s cubic-bezier(.4, 0, .2, 1),visibility .3s cubic-bezier(.4, 0, .2, 1);z-index:1000;pointer-events:none}.mobile-menu.active{opacity:1;visibility:visible;pointer-events:all}.mobile-menu-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.7);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);cursor:pointer}.mobile-menu-content{position:absolute;top:0;right:0;width:min(85%,400px);height:100%;background:linear-gradient(180deg,rgba(26,26,26,.98),rgba(26,26,26,.95));-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:2rem;display:flex;flex-direction:column;gap:2rem;transform:translateX(100%);transition:transform .3s cubic-bezier(.4, 0, .2, 1);overflow-y:auto;box-shadow:-4px 0 24px rgba(0,0,0,.3)}.mobile-menu.active .mobile-menu-content{transform:translateX(0)}.mobile-menu-header{display:flex;align-items:center;justify-content:space-between;padding-bottom:1.5rem;border-bottom:1px solid rgba(255,255,255,.1)}.mobile-logo{display:flex;align-items:center;gap:.75rem}.mobile-logo-img{width:var(--mobile-logo-width);height:auto;max-height:var(--mobile-logo-max-height);object-fit:contain}img.mobile-logo-img:not([src]),img.mobile-logo-img[src*=placeholder],img.mobile-logo-img[src='']{display:none}.mobile-menu-close{background:0 0;border:none;color:var(--obrk-white);cursor:pointer;padding:.5rem;transition:color .2s ease,transform .2s ease;display:flex;align-items:center;justify-content:center}.mobile-menu-close:hover{color:var(--obrk-green-secondary);transform:rotate(90deg)}.mobile-menu-close:active{transform:rotate(90deg) scale(.9)}.mobile-menu-close .material-symbols-outlined{font-size:2rem}.mobile-nav{flex:1;overflow-y:auto}.mobile-nav-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.25rem}.mobile-nav-item{opacity:0;transform:translateX(20px)}.mobile-nav-link{display:flex;align-items:center;gap:1rem;padding:1rem .75rem;color:var(--obrk-white);text-decoration:none;font-size:1.1rem;font-weight:var(--font-weight-medium,500);border-radius:var(--radius-md,8px);transition:all .2s ease;position:relative;overflow:hidden}.mobile-nav-link::before{content:'';position:absolute;left:0;top:0;height:100%;width:3px;background:var(--obrk-green-secondary);transform:scaleY(0);transition:transform .2s ease}.mobile-nav-link .material-symbols-outlined{font-size:1.5rem;transition:transform .2s ease}.mobile-nav-link.active,.mobile-nav-link:hover{background:rgba(116,170,31,.15);color:var(--obrk-green-secondary);padding-left:1.25rem}.mobile-nav-link.active::before,.mobile-nav-link:hover::before{transform:scaleY(1)}.mobile-nav-link.active .material-symbols-outlined,.mobile-nav-link:hover .material-symbols-outlined{transform:scale(1.15)}.mobile-nav-link:active{transform:scale(.98)}.mobile-menu-actions{display:flex;flex-direction:column;gap:1rem;padding-top:1rem;border-top:1px solid rgba(255,255,255,.1)}.mobile-phone-btn{display:flex;align-items:center;justify-content:center;gap:.75rem;padding:1rem;color:var(--obrk-white);text-decoration:none;font-weight:var(--font-weight-semibold,600);border:2px solid var(--obrk-green-secondary);border-radius:var(--radius-md,8px);transition:all .2s ease}.mobile-phone-btn:hover{background:var(--obrk-green-secondary);color:var(--obrk-black);transform:translateY(-2px);box-shadow:0 4px 12px rgba(116,170,31,.3)}.mobile-phone-btn:active{transform:translateY(0);box-shadow:0 2px 6px rgba(116,170,31,.3)}.mobile-phone-btn .material-symbols-outlined{font-size:1.5rem}.mobile-menu-footer{padding-top:1rem;border-top:1px solid rgba(255,255,255,.1);text-align:center;color:rgba(255,255,255,.6)}body.mobile-menu-open{overflow:hidden}@media (prefers-reduced-motion:no-preference){.mobile-menu.active .mobile-nav-item{animation:slideInRight .3s ease forwards}.mobile-menu.active .mobile-nav-item:first-child{animation-delay:.1s}.mobile-menu.active .mobile-nav-item:nth-child(2){animation-delay:.15s}.mobile-menu.active .mobile-nav-item:nth-child(3){animation-delay:.2s}.mobile-menu.active .mobile-nav-item:nth-child(4){animation-delay:.25s}.mobile-menu.active .mobile-nav-item:nth-child(5){animation-delay:.3s}.mobile-menu.active .mobile-nav-item:nth-child(6){animation-delay:.35s}@keyframes slideInRight{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}.mobile-menu.active .mobile-menu-header{animation:fadeInDown .3s ease}.mobile-menu.active .mobile-menu-actions{animation:fadeInUp .3s ease .4s both}.mobile-menu.active .mobile-menu-footer{animation:fadeIn .3s ease .5s both}@keyframes fadeInDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{from{opacity:0}to{opacity:1}}}@media (max-width:992px){.mobile-menu-btn{display:flex;align-items:center;justify-content:center}}@media (max-width:768px){.mobile-menu-content{width:min(90%,350px);padding:1.5rem}.mobile-nav-link{font-size:1rem;padding:.875rem .75rem}.mobile-nav-link .material-symbols-outlined{font-size:1.35rem}}@media (max-width:480px){.mobile-menu-content{width:100%;max-width:100%}.hamburger{width:24px;height:18px}.hamburger .bar{height:2.5px}.mobile-menu-btn[aria-expanded=true] .bar:first-child{transform:translateY(6px) rotate(45deg)}.mobile-menu-btn[aria-expanded=true] .bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}}@media (prefers-reduced-motion:reduce){.hamburger .bar,.mobile-menu,.mobile-menu-close,.mobile-menu-content,.mobile-nav-item,.mobile-nav-link,.mobile-phone-btn{animation-duration:0s!important;animation-iteration-count:1!important;transition-duration:0s!important}}@media (prefers-contrast:high){.mobile-menu-overlay{background:rgba(0,0,0,.9)}.mobile-nav-link{border:1px solid transparent}.mobile-nav-link.active,.mobile-nav-link:hover{border-color:var(--obrk-green-secondary)}.mobile-phone-btn{border-width:3px}}.mobile-menu-btn:focus-visible,.mobile-menu-close:focus-visible,.mobile-nav-link:focus-visible,.mobile-phone-btn:focus-visible{outline:2px solid var(--obrk-green-secondary);outline-offset:2px}.mobile-nav-link{transition:background .2s ease,color .2s ease,transform .2s ease}.mobile-nav-link.active,.mobile-nav-link:hover{padding-left:.75rem;transform:translateX(.5rem)}