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1.5rem}.contact-grid{grid-template-columns:1fr;gap:2rem}.meridian-intro{grid-template-columns:1fr;gap:2.5rem}.meridian-dashboard{display:none}.meridian-perf{grid-template-columns:repeat(3,1fr)}.meridian-perf-stat{border-bottom:1px solid var(--rule)}.project-back-wrap{padding:5rem 1.5rem 0}.project-header{padding:2rem 1.5rem 3rem}.project-dashboard-wrap{margin:0 1.5rem}.meridian-screenshots{grid-template-columns:1fr;margin:0 1.5rem 2rem}.project-overview{grid-template-columns:1fr}.project-overview-text{padding:2.5rem 1.5rem;border-right:none;border-bottom:1px solid var(--rule)}.project-overview-sidebar{padding:2.5rem 1.5rem}.project-section{padding:3rem 1.5rem}.project-cta-section{padding:3.5rem 1.5rem}.meridian-decisions{grid-template-columns:1fr;gap:2.5rem}}#chat-widget{position:fixed;bottom:1rem;right:1.5rem;z-index:200;display:flex;flex-direction:column;align-items:flex-end;gap:.75rem}#chat-toggle{height:46px;padding:0 1.25rem;border-radius:999px;background:var(--accent);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#0f172a;font-family:var(--sans);font-size:.82rem;font-weight:500;letter-spacing:.02em;box-shadow:0 4px 20px #06b6d466;transition:transform .2s,box-shadow .2s;flex-shrink:0;white-space:nowrap}#chat-toggle:hover{transform:translateY(-2px);box-shadow:0 8px 28px #06b6d480}.chat-toggle-open{display:flex;align-items:center;gap:.5rem}.chat-toggle-close{display:none;align-items:center;gap:.5rem}#chat-toggle[aria-expanded=true] .chat-toggle-open{display:none}#chat-toggle[aria-expanded=true] .chat-toggle-close{display:flex}.chat-header-ai-badge{display:inline-block;font-size:.6rem;font-weight:600;letter-spacing:.06em;color:var(--accent);border:1px solid var(--accent);border-radius:4px;padding:1px 4px;vertical-align:middle;margin-left:5px;opacity:.85}#chat-panel{width:360px;max-height:520px;background:var(--card-bg);border:1px solid var(--rule);border-radius:16px;box-shadow:0 12px 48px #0000001f;display:flex;flex-direction:column;overflow:hidden;opacity:0;transform:translateY(12px) scale(.97);pointer-events:none;transition:opacity .2s ease,transform .2s ease}#chat-panel.open{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}.chat-header{display:flex;align-items:center;gap:.75rem;padding:1rem 1.1rem;border-bottom:1px solid var(--rule);background:#06b6d40d}.chat-header-avatar{width:36px;height:36px;border-radius:50%;background:var(--accent);color:#fff;font-family:var(--serif);font-size:.78rem;display:flex;align-items:center;justify-content:center;flex-shrink:0}.chat-header-name{font-size:.88rem;font-weight:500;color:var(--ink);line-height:1.2}.chat-header-sub{font-size:.73rem;color:var(--warm-mid);line-height:1.2}#chat-messages{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:.6rem;scroll-behavior:smooth}#chat-messages::-webkit-scrollbar{width:4px}#chat-messages::-webkit-scrollbar-track{background:transparent}#chat-messages::-webkit-scrollbar-thumb{background:var(--rule);border-radius:2px}.chat-msg{max-width:82%;padding:.55rem .8rem;border-radius:12px;font-size:.85rem;line-height:1.5;word-break:break-word}.chat-msg-user{background:var(--accent);color:#0f172a;align-self:flex-end;border-bottom-right-radius:4px}.chat-msg-assistant{background:#06b6d41a;color:var(--ink);align-self:flex-start;border-bottom-left-radius:4px;border:1px solid rgba(6,182,212,.2)}.chat-typing{display:flex;align-items:center;gap:4px;padding:.65rem .9rem}.chat-typing span{width:6px;height:6px;border-radius:50%;background:var(--warm-mid);animation:chatBounce 1.2s ease-in-out infinite}.chat-typing span:nth-child(2){animation-delay:.2s}.chat-typing span:nth-child(3){animation-delay:.4s}@keyframes chatBounce{0%,60%,to{transform:translateY(0);opacity:.5}30%{transform:translateY(-5px);opacity:1}}.chat-input-row{display:flex;align-items:center;gap:.5rem;padding:.75rem 1rem;border-top:1px solid var(--rule);background:var(--card-bg)}#chat-input{flex:1;border:1px solid var(--rule);border-radius:8px;padding:.55rem .75rem;font-family:var(--sans);font-size:.85rem;color:var(--ink);background:#f8fafc0d;outline:none;transition:border-color .2s}#chat-input:focus{border-color:var(--accent)}#chat-input:disabled{opacity:.5}#chat-send{width:34px;height:34px;border-radius:8px;background:var(--accent);border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:opacity .15s}#chat-send:disabled{opacity:.4;cursor:default}#chat-send:not(:disabled):hover{opacity:.85}@media(max-width:900px){#chat-widget{bottom:.75rem;right:1rem}#chat-panel{width:calc(100vw - 2.5rem);max-height:70vh}}