.opx-chat-launcher,.opx-chat-panel,.opx-chat-panel *{box-sizing:border-box;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}
.opx-chat-launcher{position:fixed;z-index:1000;right:24px;bottom:calc(80px + env(safe-area-inset-bottom,0px));display:flex;align-items:center;gap:12px;min-width:192px;padding:12px 20px 12px 12px;background:#fff;color:#101113;border:2px solid #ff4b14;border-radius:40px;box-shadow:0 8px 30px #10111318;cursor:pointer;text-align:left}
.opx-chat-launcher img,.opx-chat-logo{width:42px;height:42px;object-fit:contain;flex:none}
.opx-chat-launcher b{display:block;font-size:17px}.opx-chat-launcher small{display:block;font-size:12px;color:#626872}
.opx-chat-launcher:hover{box-shadow:0 8px 30px #ff4b1430}.opx-chat-launcher:focus-visible,.opx-chat-panel :focus-visible{outline:3px solid #101113;outline-offset:3px}
.opx-chat-panel{position:fixed;z-index:10001;top:auto;left:auto;margin:0;padding:0;right:24px;bottom:calc(80px + env(safe-area-inset-bottom,0px));width:450px;max-width:calc(100% - 48px);height:660px;max-height:calc(100dvh - 110px);display:flex;flex-direction:column;overflow:auto;overscroll-behavior:contain;background:#fff;border:1px solid #bfc5ce;border-top:4px solid #ff4b14;color:#101113;box-shadow:0 18px 65px #10111325;font-size:14px;line-height:1.55;text-align:left}
/* Native modal top layer keeps chat controls above every site menu. */
.opx-chat-panel::backdrop{background:#10111330}
.opx-chat-panel[hidden],.opx-chat-launcher[hidden]{display:none!important}
.opx-chat-head{position:sticky;top:0;z-index:1;background:#fff;display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid #d9dde2;flex:none}.opx-chat-head strong{font-size:18px}.opx-chat-head small{display:block;color:#626872;font-size:12px}.opx-chat-close{margin-left:auto;border:0;background:#fff;color:#101113;font-size:28px;cursor:pointer;padding:4px 8px;min-width:44px;min-height:44px}
.opx-chat-language{display:flex;align-items:center;justify-content:space-between;padding:9px 18px;gap:12px}.opx-chat-language label{font-size:11px;letter-spacing:.06em;text-transform:uppercase;font-weight:750}.opx-chat-language select{border:1px solid #d9dde2;background:#fff;color:#101113;padding:7px;font-size:13px}
.opx-chat-disclosure{background:#fff6f2;color:#8b2a0b;padding:10px 18px;font-size:12px;border-block:1px solid #ffe0d4;flex:none}
.opx-chat-messages{flex:1;min-height:60px;overflow:auto;padding:16px;overscroll-behavior:contain}.opx-message{margin:0 0 12px;padding:11px 13px;border:1px solid #d9dde2;background:#f5f6f7;white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.6;max-width:95%}.opx-message.user{margin-left:auto;background:#fff6f2;border-color:#ffe0d4;width:fit-content}.opx-message.notice{color:#626872;font-size:12px;background:#fff}
.opx-chat-actions{display:flex;flex-wrap:wrap;gap:6px;padding:0 16px 12px;flex:none}.opx-chat-actions button,.opx-chat-actions a{flex:1 1 44%;padding:9px 6px;border:1px solid #d9dde2;color:#101113;background:#fff;text-decoration:none;text-align:center;font-size:11px;font-weight:750;cursor:pointer}.opx-chat-actions a{color:#bf350d}.opx-chat-actions button:hover,.opx-chat-actions a:hover{border-color:#ff4b14}
.opx-chat-form{display:flex;gap:8px;padding:12px 16px;border-top:1px solid #d9dde2;flex:none}.opx-chat-form input{min-width:0;flex:1;background:#fff;border:1px solid #bfc5ce;color:#101113;padding:10px;font-size:14px}.opx-chat-form button{background:#ff4b14;color:#101113;border:0;padding:10px 14px;font-weight:750;font-size:12px;cursor:pointer}.opx-chat-panel button:disabled{cursor:wait;opacity:.6}
.opx-chat-footer{display:flex;flex:none;border-top:1px solid #d9dde2}.opx-chat-footer button{flex:1;border:0;background:#fff;color:#626872;padding:9px;font-size:10px;cursor:pointer;text-transform:uppercase}.opx-chat-footer button+button{border-left:1px solid #d9dde2}
.opx-thinking{display:flex;align-items:center;gap:9px;color:#626872;font-size:12px}.opx-thinking:before{content:"";width:15px;height:15px;border:2px solid #d9dde2;border-top-color:#ff4b14;border-radius:50%;animation:opx-spin .8s linear infinite;flex:none}@keyframes opx-spin{to{transform:rotate(360deg)}}
.opx-sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
/* Shared rev.5 navigation accommodates the new pricing item. */
.nav{gap:22px}.nav-links{gap:21px}
.pricing-market-bar .direct-rfq{flex:none;border:1px solid #ff4b14;background:#ff4b14;color:#101113;padding:11px 16px;font:700 12px Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;cursor:pointer}
.footer .contact-line{display:flex;align-items:center;gap:10px;text-decoration:none}.footer .contact-line svg{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:1.6}.footer .contact-line svg[fill="currentColor"]{fill:currentColor;stroke:none}
@media(min-width:761px) and (max-width:1200px){.nav{padding-inline:24px;gap:16px}.nav-links{gap:14px}.nav-links a{font-size:11px}.brand img{height:36px}}
@media(max-width:760px){.opx-chat-launcher{right:14px;bottom:calc(16px + env(safe-area-inset-bottom,0px));min-width:174px;padding:9px 16px 9px 10px}.opx-chat-panel{left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom,0px));width:auto;max-width:calc(100% - 24px);max-height:calc(100dvh - 24px - env(safe-area-inset-bottom,0px))}.opx-chat-form input{font-size:16px}}
@media(max-height:550px){.opx-chat-panel{bottom:12px;max-height:calc(100dvh - 24px)}.opx-chat-disclosure{max-height:60px;overflow:auto}.opx-chat-actions{max-height:90px;overflow:auto}.opx-chat-head{padding-block:7px}.opx-chat-language{padding-block:5px}}
@media(prefers-reduced-motion:reduce){.opx-thinking:before{animation:none}}
@media print{.opx-chat-launcher,.opx-chat-panel{display:none!important}}