:root{--color-light-grey:#efefef;--color-charcoal-text:#333;--color-brand-blue:#0076ff;--color-brand-dark-blue:#1e5b9a;--color-white:#fff;--color-steel-blue:#577082;--color-dark-mid-tone:#3e3e3e;--color-deep-charcoal:#0a0e1a;--color-primary:var(--color-brand-blue);--color-primary-hover:#0052cc;--color-primary-light:#0076ff14;--color-dark:var(--color-deep-charcoal);--color-success:#10b981;--color-warning:#d97706;--color-danger:#dc2626;--font-display:"Be Vietnam Pro", system-ui, sans-serif;--font-sans:"Be Vietnam Pro", system-ui, sans-serif;--space-xs:5.3px;--space-sm:6px;--space-md:13.2px;--space-lg:19.8px;--space-xl:29.7px;--space-2xl:38.3px;--space-3xl:39.6px;--space-4xl:52.8px;--space-5xl:72.6px;--radius-sm:6.6px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-pill:33px;--radius-full:9999px;--shadow-md:0 4px 6px #00000012;--shadow-lg:0 10px 15px #00000014;--transition-base:all .3s cubic-bezier(.16, 1, .3, 1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;background-color:var(--color-light-grey);color:var(--color-charcoal-text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{position:relative;overflow-x:hidden}.container{width:100%;max-width:1280px;padding:0 var(--space-xl);margin:0 auto}@media (width<=640px){.container{padding:0 var(--space-md)}}.section{padding-top:60px;padding-bottom:60px;position:relative}@media (width<=1024px){.section{padding-top:40px;padding-bottom:40px}}.btn{border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition-base);letter-spacing:.02em;white-space:nowrap;border:1px solid #0000;justify-content:center;align-items:center;min-height:44px;padding:12px 24px;font-size:14px;font-weight:600;text-decoration:none;display:inline-flex}.btn--primary{background-color:var(--color-primary);color:var(--color-white)}.btn--primary:hover{background-color:var(--color-primary-hover);transform:translateY(-2px);box-shadow:0 10px 20px #0076ff40}.btn--lg{padding:14px 28px;font-size:15px}.header{z-index:100;-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--color-dark-mid-tone);width:100%;height:80px;transition:var(--transition-base);background-color:#0a0e1af2;align-items:center;display:flex;position:fixed;top:0;left:0}.header--scrolled{height:70px}.header__container{justify-content:space-between;align-items:center;width:100%;display:flex}.header__logo img{width:auto;height:40px;transition:var(--transition-base);display:block}.header--scrolled .header__logo 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var(--space-4xl));padding-bottom:var(--space-3xl);text-align:center}.section-label{text-transform:uppercase;letter-spacing:.08em;padding:var(--space-xs) var(--space-md);border-radius:var(--radius-pill);margin-bottom:var(--space-lg);background-color:var(--color-white);border:1px solid var(--color-primary);color:var(--color-primary);font-size:11px;font-weight:700;display:inline-block}.page-header__title{font-family:var(--font-display);letter-spacing:-.02em;margin-bottom:var(--space-lg);color:var(--color-charcoal-text);font-size:clamp(28px,5vw,44px);font-weight:800;line-height:1.2}.page-header__title span{color:var(--color-primary)}.page-header__desc{color:var(--color-steel-blue);max-width:65ch;margin:0 auto var(--space-2xl);font-size:clamp(14px,2vw,17px);line-height:1.6}.search-wrapper{max-width:560px;margin:0 auto var(--space-xl);position:relative}.search-icon{left:var(--space-md);color:var(--color-steel-blue);display:flex;position:absolute;top:50%;transform:translateY(-50%)}.search-input{width:100%;padding:14px var(--space-lg) 14px 44px;border-radius:var(--radius-pill);background-color:var(--color-white);font-size:14px;font-family:var(--font-sans);color:var(--color-charcoal-text);min-height:44px;transition:var(--transition-base);border:1px solid #0000001a}.search-input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light);outline:none}.tabs-outer-container{-webkit-overflow-scrolling:touch;scrollbar-width:none;overflow-x:auto}.tabs-outer-container::-webkit-scrollbar{display:none}.tabs-container{gap:var(--space-sm);border-radius:var(--radius-pill);background-color:#0000000a;margin:0 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var(--space-lg);display:none}.no-results-title{font-family:var(--font-display);color:var(--color-charcoal-text);margin-bottom:var(--space-sm);font-size:18px;font-weight:700}.no-results-desc{color:var(--color-steel-blue);margin-bottom:var(--space-lg);font-size:14px}.pagination{justify-content:center;align-items:center;gap:var(--space-sm);margin-top:var(--space-2xl);flex-wrap:wrap;display:flex}.page-btn{border-radius:var(--radius-sm);background-color:var(--color-white);min-width:40px;height:40px;color:var(--color-charcoal-text);cursor:pointer;transition:var(--transition-base);border:1px solid #0000001a;justify-content:center;align-items:center;padding:0 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a{color:var(--color-steel-blue);transition:var(--transition-base);font-size:14px;text-decoration:none}.footer-links a:hover{color:var(--color-primary)}.footer-socials{gap:var(--space-md);margin-top:var(--space-lg);display:flex}.social-btn{background-color:var(--color-dark-mid-tone);width:36px;height:36px;color:var(--color-white);transition:var(--transition-base);border:1px solid #ffffff0d;border-radius:50%;justify-content:center;align-items:center;text-decoration:none;display:flex}.social-btn:hover{background-color:var(--color-primary);transform:translateY(-2px)}.contact-item{gap:var(--space-md);margin-bottom:var(--space-md);color:var(--color-steel-blue);font-size:14px;line-height:1.5;display:flex}.contact-item a{color:var(--color-steel-blue);transition:var(--transition-base);text-decoration:none}.contact-item a:hover{color:var(--color-primary)}.footer-bottom{border-top:1px solid var(--color-dark-mid-tone);padding-top:var(--space-xl);color:var(--color-steel-blue);justify-content:space-between;align-items:center;font-size:12px;display:flex}.copyright{color:var(--color-steel-blue)}.toast{background-color:var(--color-deep-charcoal);color:var(--color-white);border-radius:var(--radius-pill);box-shadow:var(--shadow-lg);z-index:200;opacity:0;pointer-events:none;transition:var(--transition-base);padding:12px 22px;font-size:13px;font-weight:500;position:fixed;bottom:90px;left:50%;transform:translate(-50%)translateY(20px)}.toast.show{opacity:1;transform:translate(-50%)translateY(0)}.mobile-bottom-bar{-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--color-dark-mid-tone);z-index:98;background-color:#0a0e1af2;grid-template-columns:repeat(3,1fr);align-items:center;width:100%;height:60px;display:none;position:fixed;bottom:0;left:0}.mobile-bottom-item{color:var(--color-light-grey);transition:var(--transition-base);flex-direction:column;justify-content:center;align-items:center;gap:4px;min-height:44px;font-size:11px;font-weight:500;text-decoration:none;display:flex}.mobile-bottom-item svg{width:20px;height:20px;color:var(--color-steel-blue);transition:var(--transition-base)}.mobile-bottom-item:hover,.mobile-bottom-item:hover svg{color:var(--color-primary)}@media (width<=1024px){.header__nav,.header__container .btn{display:none}.hamburger-btn{display:flex}.featured-card{grid-template-columns:1fr}.article-grid{grid-template-columns:repeat(2,1fr)}.newsletter-card{text-align:center;grid-template-columns:1fr}.newsletter-form{justify-content:center}.footer-grid{gap:var(--space-xl);grid-template-columns:1fr}.footer-bottom{gap:var(--space-md);text-align:center;flex-direction:column}.mobile-bottom-bar{display:grid}body{padding-bottom:60px}}@media (width<=768px){.article-grid{grid-template-columns:1fr}.featured-card{padding:var(--space-lg)}}@media (width<=480px){.newsletter-form{flex-direction:column}.grid-header,.featured-footer{flex-direction:column;align-items:flex-start}}:root{--chat-primary:#0076ff;--chat-primary-hover:#0052cc;--chat-dark:#0a0e1a;--chat-bg:#111827;--chat-surface:#1f2937;--chat-border:#374151;--chat-text-muted:#9ca3af;--chat-accent-light:#60a5fa;--chat-danger:#ef4444;--chat-success:#10b981}.nar-chat-trigger{background:linear-gradient(135deg, var(--chat-primary), var(--chat-primary-hover));z-index:9999;cursor:pointer;border:none;border-radius:50%;outline:none;justify-content:center;align-items:center;width:60px;height:60px;transition:transform .25s cubic-bezier(.16,1,.3,1),box-shadow .25s;display:flex;position:fixed;bottom:24px;right:24px;box-shadow:0 4px 20px #0076ff66}.nar-chat-trigger:hover{transform:scale(1.05);box-shadow:0 6px 24px #0076ff99}.nar-chat-trigger:active{transform:scale(.92)}.nar-chat-trigger .trigger-icon{color:var(--color-white);transition:transform .25s cubic-bezier(.16,1,.3,1),opacity .2s}.nar-chat-trigger .close-icon{opacity:0;position:absolute;transform:rotate(-45deg)scale(.5)}.nar-chat-trigger.open-active .chat-icon{opacity:0;transform:rotate(45deg)scale(.5)}.nar-chat-trigger.open-active .close-icon{opacity:1;transform:rotate(0)scale(1)}.nar-chat-trigger.pulse-active:before{content:"";border:2px solid var(--chat-primary);pointer-events:none;border-radius:50%;animation:2s ease-out infinite pulse-ring;position:absolute;inset:-2px}@keyframes pulse-ring{0%{opacity:.6;transform:scale(1)}to{opacity:0;transform:scale(1.9)}}.nar-chat-notif-dot{background-color:var(--chat-danger);border:2px solid var(--color-white);border-radius:50%;width:10px;height:10px;animation:.8s ease-in-out infinite alternate notif-bounce;display:none;position:absolute;top:-2px;right:-2px;box-shadow:0 2px 6px #ef444466}@keyframes notif-bounce{0%{transform:translateY(0)}to{transform:translateY(-6px)}}.nar-chat-window{background-color:var(--chat-bg);border-radius:var(--radius-lg) var(--radius-lg) var(--radius-sm) var(--radius-lg);border:1px solid var(--chat-border);z-index:9999;opacity:0;visibility:hidden;pointer-events:none;flex-direction:column;width:360px;height:520px;transition:transform .25s cubic-bezier(.16,1,.3,1),opacity .25s cubic-bezier(.16,1,.3,1),visibility .25s cubic-bezier(.16,1,.3,1);display:flex;position:fixed;bottom:96px;right:24px;overflow:hidden;transform:translateY(12px);box-shadow:0 20px 60px #00000080}.nar-chat-window.open{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}.nar-chat-header{background-color:var(--chat-dark);border-bottom:1px solid var(--chat-border);user-select:none;justify-content:space-between;align-items:center;padding:16px;display:flex}.header-info{align-items:center;gap:10px;display:flex}.avatar-container{width:32px;height:32px;position:relative}.avatar{background-color:var(--chat-primary);width:32px;height:32px;color:var(--color-white);font-size:14px;font-weight:600;font-family:var(--font-display);border-radius:50%;justify-content:center;align-items:center;display:flex}.status-dot{background-color:var(--chat-success);border:2px solid var(--chat-dark);border-radius:50%;width:8px;height:8px;position:absolute;bottom:-1px;right:-1px}.text-container{flex-direction:column;display:flex}.text-container .title{color:var(--color-white);font-size:14px;font-weight:700;font-family:var(--font-display)}.text-container .sub{color:var(--chat-text-muted);font-size:12px}.header-controls{gap:4px;display:flex}.control-btn{color:var(--chat-text-muted);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;transition:background-color .2s,color .2s;display:flex}.control-btn:hover{color:var(--color-white);background-color:#ffffff14}.nar-chat-messages{scroll-behavior:smooth;flex-direction:column;flex:1;gap:12px;padding:16px;display:flex;overflow-y:auto}.nar-chat-messages::-webkit-scrollbar{width:5px}.nar-chat-messages::-webkit-scrollbar-track{background:0 0}.nar-chat-messages::-webkit-scrollbar-thumb{background-color:var(--chat-surface);border-radius:9999px}.message-bubble{word-wrap:break-word;max-width:85%;padding:10px 14px;font-size:14px;line-height:1.5;animation:.25s cubic-bezier(.16,1,.3,1) forwards bubble-appear}@keyframes bubble-appear{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.message-bubble.bot{background-color:var(--chat-surface);color:var(--color-white);border-radius:4px var(--radius-xl) var(--radius-xl) var(--radius-xl);align-self:flex-start}.message-bubble.user{color:var(--color-white);border-radius:var(--radius-xl) 4px var(--radius-xl) var(--radius-xl);background-color:#005fd7;align-self:flex-end}.typing-indicator-bubble{background-color:var(--chat-surface);border-radius:4px var(--radius-xl) var(--radius-xl) var(--radius-xl);align-self:flex-start;align-items:center;gap:5px;width:fit-content;padding:12px 16px;animation:.25s cubic-bezier(.16,1,.3,1) forwards bubble-appear;display:flex}.typing-dot{background-color:var(--chat-text-muted);border-radius:50%;width:8px;height:8px;animation:.6s ease-in-out infinite typing-dot-bounce}@keyframes typing-dot-bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.nar-quick-chips{flex-wrap:wrap;gap:8px;padding:0 16px 12px;animation:.25s cubic-bezier(.16,1,.3,1) forwards bubble-appear;display:flex}.quick-chip{color:var(--chat-accent-light);border-radius:var(--radius-full);cursor:pointer;background-color:#0076ff1f;border:1px solid #0076ff4d;outline:none;padding:6px 12px;font-family:inherit;font-size:12px;font-weight:500;transition:background-color .2s,border-color .2s,transform .15s}.quick-chip:hover{background-color:#0076ff38;border-color:#0076ff80;transform:translateY(-1px)}.quick-chip:active{transform:translateY(0)}.nar-chat-input-row{border-top:1px solid var(--chat-border);background-color:var(--chat-bg);align-items:flex-end;gap:8px;padding:12px 16px;display:flex}.textarea-wrapper{flex:1;position:relative}#chat-input{background-color:var(--chat-dark);border:1px solid var(--chat-border);border-radius:var(--radius-md);width:100%;color:var(--color-white);resize:none;outline:none;height:40px;max-height:100px;padding:10px 12px;font-family:inherit;font-size:14px;line-height:1.4;transition:border-color .2s,box-shadow .2s;display:block;overflow-y:auto}#chat-input:focus{border-color:var(--chat-primary);box-shadow:0 0 0 2px #0076ff40}#chat-input:disabled{opacity:.6;cursor:not-allowed;background-color:#0a0e1a80}#chat-send{background-color:var(--chat-primary);width:36px;height:36px;color:var(--color-white);cursor:pointer;border:none;border-radius:50%;outline:none;flex-shrink:0;justify-content:center;align-items:center;transition:background-color .2s,transform .15s,opacity .2s;display:flex}#chat-send:hover{background-color:var(--chat-primary-hover);transform:scale(1.05)}#chat-send:active{transform:scale(.95)}#chat-send:disabled{opacity:.4;cursor:not-allowed;pointer-events:none}.control-btn:focus-visible,.quick-chip:focus-visible,#chat-send:focus-visible,.nar-chat-trigger:focus-visible{outline:2px solid var(--chat-primary);outline-offset:2px}@media (width<=768px){.nar-chat-window{border:none!important;border-radius:0!important;width:100%!important;height:100%!important;bottom:0!important;right:0!important}.nar-chat-trigger{width:50px;height:50px;bottom:16px;right:16px}.nar-chat-trigger .chat-icon{width:22px;height:22px}.nar-chat-trigger .close-icon{width:18px;height:18px}}