:root{--orange:#e8600a;--orange-pale:rgba(232,96,10,0.10);--dark:#1c1c1c;--gray:#888;--divider:#f0f0f0;--white:#fff}nav{min-height:44px;padding:0 44px;display:flex;align-items:flex-start;justify-content:space-between;position:relative;z-index:10;background:#fff}.logo{display:flex;align-items:flex-start;text-decoration:none;flex-shrink:0;margin-top:-16px;margin-left:-72px}.logo img{height:160px;width:auto;object-fit:contain;display:block}.nav-links{list-style:none;display:flex;align-items:center;gap:48px;margin:0;padding:0;padding-top:24px}.nav-links a{font-size:13px;font-weight:500;color:#555;text-decoration:none;position:relative;transition:color .2s;white-space:nowrap}.nav-links a:hover{color:var(--dark)}.nav-links a.active{color:var(--orange);font-weight:600}.nav-links a.active::after{content:'';position:absolute;bottom:-3px;left:0;right:0;height:2px;background:var(--orange);border-radius:1px}.nav-links a:not(.active)::after{content:'';position:absolute;bottom:-3px;left:0;right:0;height:2px;background:var(--orange);border-radius:1px;transform:scaleX(0);transition:transform .25s ease}.nav-links a:not(.active):hover::after{transform:scaleX(1)}.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;background:0;border:0;cursor:pointer;padding:8px;margin-top:20px;z-index:20}.hamburger span{display:block;width:24px;height:2.5px;background:var(--dark);border-radius:2px;transition:transform .3s ease,opacity .3s ease}.hamburger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}.hamburger.open span:nth-child(2){opacity:0}.hamburger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}.mobile-menu{display:none;overflow:hidden;max-height:0;transition:max-height .35s ease,padding .3s ease;background:#fff;border-top:1px solid var(--divider)}.mobile-menu.open{max-height:400px;padding:8px 0 16px}.mobile-menu ul{list-style:none;margin:0;padding:0}.mobile-menu ul li a{display:block;padding:12px 28px;font-size:14px;font-weight:500;color:#aaa;text-decoration:none;border-left:3px solid transparent;transition:color .2s,border-color .2s,background .2s}.mobile-menu ul li a:hover{color:var(--dark);background:#fafafa}.mobile-menu ul li a.active{color:var(--orange);font-weight:600;border-left-color:var(--orange);background:rgba(232,96,10,0.04)}@media(max-width:900px){nav{padding:0 20px;min-height:80px;flex-wrap:nowrap;align-items:center}.logo{align-items:center;margin-left:-28px;margin-top:0}.logo img{height:80px}.nav-links{display:none}.hamburger{display:flex;margin-top:0}.mobile-menu{display:block}}@media(max-width:520px){nav{padding:0 14px;min-height:68px}.logo{margin-left:-10px}.logo img{height:64px}.hamburger{padding:6px}.hamburger span{width:22px}.mobile-menu ul li a{font-size:13px;padding:11px 20px}}@media(max-width:380px){nav{padding:0 10px;min-height:60px}.logo img{height:56px}.hamburger span{width:20px}.mobile-menu ul li a{font-size:12px;padding:10px 16px}}