@tailwind base;@tailwind components;@tailwind utilities;:root{--et-orange: #FF6600;--et-orange-hover: #e67e00;--et-slate: #0f172a;--et-border: #e8edf2;--et-border-light: #f1f5f9;--et-bg-subtle: #f8fafc;--et-radius: .875rem;--et-radius-sm: .5rem;--et-radius-lg: 1rem;--et-radius-xl: 1.5rem;--et-shadow: 0 4px 16px rgba(15, 23, 42, .07);--et-shadow-lg: 0 8px 32px rgba(15, 23, 42, .1)}*,*:before,*:after{box-sizing:border-box}h1,h2,h3,h4,.font-brand-serif{font-family:Playfair Display,serif}body,.font-brand-sans{font-family:Inter,sans-serif}.btn-primary{display:inline-block;background-color:var(--et-orange);color:#fff;font-family:Inter,sans-serif;font-weight:700;font-size:.9375rem;letter-spacing:.02em;padding:.875rem 2rem;border-radius:.625rem;border:none;cursor:pointer;text-decoration:none;transition:background-color .25s ease,transform .15s ease}.btn-primary:hover{background-color:var(--et-orange-hover);transform:translateY(-1px)}.btn-outline{display:inline-block;background:transparent;color:var(--et-slate);font-family:Inter,sans-serif;font-weight:600;font-size:.9375rem;padding:.875rem 2rem;border-radius:.625rem;border:1.5px solid #cbd5e1;text-decoration:none;transition:all .2s ease}.btn-outline:hover{border-color:var(--et-slate);background:var(--et-slate);color:#fff}.btn-ghost-dark{display:inline-block;background:#ffffff1a;color:#fff;font-family:Inter,sans-serif;font-weight:600;font-size:.9375rem;padding:.875rem 2rem;border-radius:.625rem;border:1.5px solid rgba(255,255,255,.2);text-decoration:none;transition:all .2s}.btn-ghost-dark:hover{background:#ffffff2e}.btn-sm{display:inline-block;font-family:Inter,sans-serif;font-weight:600;font-size:.8125rem;padding:.5rem 1.25rem;border-radius:.5rem;text-decoration:none;transition:all .2s ease;cursor:pointer}.nav-link{font-family:Inter,sans-serif;font-size:.875rem;font-weight:500;color:#475569;text-decoration:none;transition:color .2s}.nav-link:hover,.nav-link.active{color:var(--et-slate)}.nav-login{font-family:Inter,sans-serif;font-size:.875rem;font-weight:700;color:var(--et-slate);text-decoration:none;border:1.5px solid #e2e8f0;padding:.4rem 1.1rem;border-radius:.5rem;transition:all .2s}.nav-login:hover{border-color:var(--et-slate);background:var(--et-slate);color:#fff}.et-logo-mark{font-family:Playfair Display,serif;font-size:1.125rem;font-weight:700;color:var(--et-slate);line-height:1}.et-logo-sub{font-family:Inter,sans-serif;font-size:.6rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:#94a3b8}#mobile-menu{display:none}#mobile-menu.open{display:block}.hero-bg{background-color:var(--et-slate);background-image:radial-gradient(ellipse at 80% 50%,rgba(255,102,0,.12) 0%,transparent 55%),radial-gradient(ellipse at 20% 80%,rgba(255,102,0,.06) 0%,transparent 45%)}.page-hero{background-color:var(--et-slate);background-image:radial-gradient(ellipse at 75% 40%,rgba(255,102,0,.12) 0%,transparent 55%),radial-gradient(ellipse at 20% 80%,rgba(255,102,0,.05) 0%,transparent 45%)}.hero-badge{display:inline-flex;align-items:center;gap:6px;background:#ff660026;border:1px solid rgba(255,102,0,.3);border-radius:99px;padding:5px 14px;font-family:Inter,sans-serif;font-size:.75rem;font-weight:700;color:#fdba74;letter-spacing:.06em;text-transform:uppercase}.hero-stat{font-family:Playfair Display,serif;font-size:2rem;font-weight:700;color:#fff;line-height:1}.hero-stat-label{font-family:Inter,sans-serif;font-size:.75rem;font-weight:500;color:#94a3b8;margin-top:3px;letter-spacing:.02em}.hero-stat-card{background:#ffffff0d;border:1px solid rgba(255,255,255,.08);border-radius:.875rem;padding:1.25rem}.hero-stat-num{font-family:Playfair Display,serif;font-size:1.75rem;font-weight:700;color:#fff;line-height:1}.section-label{font-family:Inter,sans-serif;font-size:.75rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--et-orange);display:block}.product-card{background:#fff;border-radius:var(--et-radius-lg);border:1px solid var(--et-border);padding:1.5rem;transition:box-shadow .25s ease,transform .2s ease,border-color .2s ease;position:relative;overflow:hidden}.product-card:hover{box-shadow:var(--et-shadow-lg);transform:translateY(-2px);border-color:#cbd5e1}.product-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:transparent;transition:background .2s}.product-card:hover:before{background:var(--et-orange)}.product-code{font-family:Inter,sans-serif;font-size:.7rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--et-orange);background:#fff7ed;border:1px solid #fed7aa;border-radius:5px;padding:2px 8px;display:inline-block}.product-duration{font-family:Inter,sans-serif;font-size:.75rem;font-weight:500;color:#94a3b8}.flagship-card{background:var(--et-slate);border-color:var(--et-slate)}.flagship-card:hover{border-color:var(--et-orange)}.flagship-card:before{background:var(--et-orange)!important}.section-card{background:#fff;border-radius:var(--et-radius);border:1px solid var(--et-border);padding:1.5rem;margin-bottom:1.25rem}.case-card{background:#fff;border-radius:var(--et-radius);border:1px solid var(--et-border);border-left:4px solid var(--et-orange);padding:1.5rem;margin-bottom:1.25rem}.info-cell{background:var(--et-bg-subtle);border-radius:.75rem;padding:1.25rem}.info-cell-label{font-family:Inter,sans-serif;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#94a3b8;margin-bottom:.5rem}.metric-card{background:#fff;border-radius:var(--et-radius);border:1px solid var(--et-border);padding:1.25rem 1.5rem}.article-card{background:#fff;border:1px solid var(--et-border);border-radius:var(--et-radius-lg);overflow:hidden;transition:border-color .2s,box-shadow .2s,transform .2s;text-decoration:none;display:block}.article-card:hover{border-color:#cbd5e1;box-shadow:var(--et-shadow);transform:translateY(-2px)}.cta-dark{background:var(--et-slate);border-radius:var(--et-radius-lg);padding:2.5rem;text-align:center;background-image:radial-gradient(ellipse at 60% 40%,rgba(255,102,0,.15) 0%,transparent 60%)}.cta-banner{background:var(--et-slate);border-radius:var(--et-radius-xl);background-image:radial-gradient(ellipse at 90% 50%,rgba(255,102,0,.15) 0%,transparent 60%)}.sidebar-card{background:#fff;border-radius:var(--et-radius);border:1px solid var(--et-border);padding:1.25rem;margin-bottom:1.25rem}.sidebar-card-dark{background:var(--et-slate);border-radius:var(--et-radius);padding:1.5rem;margin-bottom:1.25rem}.sidebar-sticky{position:sticky;top:5rem}.sidebar-sticky-scroll{position:sticky;top:5rem;max-height:calc(100vh - 6rem);overflow-y:auto;scrollbar-width:thin;padding-bottom:2rem}.term-chip{display:inline-block;background:var(--et-border-light);color:#334155;font-family:Inter,sans-serif;font-size:.75rem;font-weight:500;padding:3px 10px;border-radius:99px;text-decoration:none;transition:all .15s}.term-chip:hover{background:#ff66001a;color:var(--et-orange)}.term-chip-orange{background:#ff66001a;color:var(--et-orange);font-weight:600}.badge{display:inline-flex;align-items:center;border-radius:99px;padding:2px 9px;font-family:Inter,sans-serif;font-size:.7rem;font-weight:700;letter-spacing:.03em}.badge-difficulty-basic{background:#f0fdf4;color:#166534}.badge-difficulty-intermediate{background:#fff7ed;color:#9a3412}.badge-difficulty-advanced{background:#fef2f2;color:#991b1b}.badge-difficulty-professional{background:#faf5ff;color:#6b21a8}.badge-register-formal{background:#eff6ff;color:#1e40af}.badge-register-technical{background:#f0fdf4;color:#166534}.badge-register-latin{background:#fdf2f8;color:#9d174d}.badge-ivt{background:#ff66001a;color:var(--et-orange)}.badge-acronym{background:#f1f5f9;color:#475569;font-family:Playfair Display,serif;font-style:italic}.term-card{background:#fff;border:1px solid var(--et-border);border-radius:var(--et-radius);padding:1.25rem;transition:border-color .2s,box-shadow .2s}.term-card:hover{border-color:#cbd5e1;box-shadow:0 2px 12px #0000000d}.term-card.bookmarked{border-left:3px solid var(--et-orange)}.az-btn{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:.375rem;font-family:Inter,sans-serif;font-size:.8rem;font-weight:700;cursor:pointer;border:none;transition:all .15s;text-decoration:none;color:var(--et-slate)}.az-btn:hover,.az-btn.active{background:var(--et-orange)!important;color:#fff}.az-btn.disabled{opacity:.25;cursor:default;pointer-events:none}.filter-chip{display:inline-flex;align-items:center;gap:5px;background:var(--et-border-light);color:#475569;font-family:Inter,sans-serif;font-size:.75rem;font-weight:600;padding:4px 10px;border-radius:99px;border:1.5px solid transparent;cursor:pointer;transition:all .15s}.filter-chip:hover,.filter-chip.active{background:#ff66001a;color:var(--et-orange);border-color:#ff66004d}.toggle-btn{display:inline-flex;align-items:center;gap:5px;padding:.375rem .75rem;border-radius:.5rem;font-family:Inter,sans-serif;font-size:.8rem;font-weight:600;color:#64748b;background:transparent;border:1.5px solid #e2e8f0;cursor:pointer;transition:all .15s}.toggle-btn.active{background:var(--et-slate);color:#fff;border-color:var(--et-slate)}.segbar{display:flex;gap:3px}.segbar-seg{height:8px;flex:1;border-radius:2px;background:#e2e8f0}.segbar-seg.filled{background:var(--et-orange)}.diff-bar{height:6px;background:#e2e8f0;border-radius:99px;overflow:hidden;margin-top:3px}.diff-fill{height:100%;border-radius:99px}.percentile-bar{height:8px;background:#e2e8f0;border-radius:99px;overflow:hidden}.percentile-fill{height:100%;background:linear-gradient(90deg,var(--et-orange),#fbbf24);border-radius:99px}.article-body{font-family:Inter,sans-serif;font-size:1rem;line-height:1.8;color:#334155}.article-body h2{font-family:Playfair Display,serif;font-size:1.625rem;font-weight:700;color:var(--et-slate);margin:2.5rem 0 1rem;line-height:1.2}.article-body h3{font-family:Playfair Display,serif;font-size:1.25rem;font-weight:700;color:var(--et-slate);margin:2rem 0 .75rem}.article-body p{margin-bottom:1.25rem}.article-body strong{color:var(--et-slate);font-weight:700}.article-body ul,.article-body ol{margin:1rem 0 1.5rem 1.5rem}.article-body li{margin-bottom:.5rem}.article-body a{color:var(--et-orange);text-decoration:underline;text-underline-offset:2px}.article-body a:hover{color:var(--et-orange-hover)}.article-body blockquote{border-left:4px solid var(--et-orange);padding:1rem 1.5rem;background:#fff7ed;border-radius:0 .75rem .75rem 0;margin:1.5rem 0;font-family:Playfair Display,serif;font-style:italic;color:var(--et-slate);line-height:1.6}.article-body blockquote p{margin:0}.article-body table{width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:.9rem}.article-body th{font-family:Inter,sans-serif;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:#94a3b8;padding:.625rem .875rem;text-align:left;border-bottom:2px solid var(--et-border);background:var(--et-bg-subtle)}.article-body td{padding:.75rem .875rem;border-bottom:1px solid var(--et-border-light);color:#475569;vertical-align:top}.article-body tr:last-child td{border-bottom:none}.article-body .callout{background:#f0f9ff;border:1px solid #bae6fd;border-radius:.75rem;padding:1.25rem 1.5rem;margin:1.5rem 0}.article-body .callout-warn{background:#fff7ed;border-color:#fed7aa}.article-body .callout-title{font-family:Inter,sans-serif;font-size:.75rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:#0284c7;margin-bottom:.5rem}.article-body .callout-warn .callout-title{color:#c2410c}.pull-quote{border-left:4px solid var(--et-orange);padding:1rem 1.5rem;background:#fff7ed;border-radius:0 .75rem .75rem 0;font-family:Playfair Display,serif;font-size:1.1rem;font-style:italic;color:var(--et-slate);line-height:1.6}.section-nav{position:sticky;top:96px}.section-nav-item{display:block;font-family:Inter,sans-serif;font-size:.8125rem;font-weight:500;color:#94a3b8;text-decoration:none;padding:.5rem 0 .5rem 1rem;border-left:2px solid #e2e8f0;transition:all .2s}.section-nav-item:hover{color:var(--et-slate);border-left-color:#cbd5e1}.section-nav-item.active{color:var(--et-orange);border-left-color:var(--et-orange);font-weight:700}.toc-link{display:block;font-family:Inter,sans-serif;font-size:.8125rem;color:#64748b;text-decoration:none;padding:.25rem 0 .25rem .75rem;border-left:2px solid transparent;transition:all .15s;line-height:1.4}.toc-link:hover,.toc-link.active{color:var(--et-orange);border-left-color:var(--et-orange)}.toc-link.h3-link{padding-left:1.5rem;font-size:.75rem}details.faq-item{border-bottom:1px solid var(--et-border)}details.faq-item summary{list-style:none;cursor:pointer;padding:1rem 0;display:flex;justify-content:space-between;align-items:center;font-family:Inter,sans-serif;font-size:.9375rem;font-weight:600;color:var(--et-slate)}details.faq-item summary::-webkit-details-marker{display:none}details.faq-item summary .faq-icon{flex-shrink:0;width:20px;height:20px;background:var(--et-border-light);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.875rem;color:var(--et-orange);transition:transform .2s}details.faq-item[open] summary .faq-icon{transform:rotate(45deg)}details.faq-item .faq-body{padding-bottom:1rem;font-family:Inter,sans-serif;font-size:.9rem;color:#475569;line-height:1.7}.et-tooltip{position:relative;display:inline-block;cursor:help}.et-tooltip .tooltip-text{visibility:hidden;opacity:0;position:absolute;z-index:50;bottom:140%;left:50%;transform:translate(-50%) translateY(8px);width:260px;background:#fff;border:1.5px solid #e2e8f0;border-radius:.75rem;padding:12px 14px;box-shadow:0 8px 24px #0f172a1f;font-family:Inter,sans-serif;font-size:.8rem;color:#475569;line-height:1.5;text-align:left;font-weight:400;pointer-events:none;transition:opacity .2s ease,transform .2s ease,visibility 0s linear .2s}.et-tooltip:hover .tooltip-text{visibility:visible;opacity:1;transform:translate(-50%) translateY(0);transition-delay:0s}.logo-strip{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:.5rem 2.5rem}.logo-item{font-family:Inter,sans-serif;font-size:.875rem;font-weight:700;color:#94a3b8;letter-spacing:.05em;text-transform:uppercase;transition:color .2s}.logo-item:hover{color:#475569}.feedback-tab{position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:50}.feedback-tab-btn{display:flex;align-items:center;gap:6px;background:var(--et-orange);color:#fff;font-family:Inter,sans-serif;font-size:.75rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;border:none;cursor:pointer;padding:8px 12px 8px 10px;border-radius:8px 0 0 8px;writing-mode:vertical-rl;text-orientation:mixed;transform:rotate(180deg);transition:background .2s}.feedback-tab-btn:hover{background:var(--et-orange-hover)}.share-btn{display:inline-flex;align-items:center;gap:5px;background:var(--et-bg-subtle);border:1px solid var(--et-border);border-radius:.5rem;padding:.375rem .875rem;font-family:Inter,sans-serif;font-size:.75rem;font-weight:600;color:#475569;cursor:pointer;text-decoration:none;transition:all .15s}.share-btn:hover{border-color:#94a3b8;color:var(--et-slate)}.share-btn.copied{border-color:#22c55e;color:#166534;background:#f0fdf4}.admin-sidebar-link{display:block;font-family:Inter,sans-serif;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;text-decoration:none;padding:.625rem 0 .625rem 1rem;color:#94a3b8;transition:color .15s}.admin-sidebar-link:hover{color:#f97316}.admin-sidebar-link.active{color:#f97316;border-left:2px solid #f97316;padding-left:calc(1rem - 2px)}@keyframes fadeUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.fade-up{animation:fadeUp .5s ease forwards}.fade-up-d1{animation:fadeUp .5s ease .08s forwards;opacity:0}.fade-up-d2{animation:fadeUp .5s ease .16s forwards;opacity:0}.fade-up-d3{animation:fadeUp .5s ease .24s forwards;opacity:0}@media print{nav,footer,.feedback-tab,.sidebar-sticky,.sidebar-sticky-scroll,.share-btn,.btn-primary,.btn-outline,.cta-dark,.cta-banner,#kudos-belt,.share-row{display:none!important}body{font-size:11pt;color:#000}h1,h2,h3{color:#000}a[href]:after{content:" (" attr(href) ")";font-size:9pt;color:#555}.section-card,.case-card,.info-cell,.metric-card,.term-card{border:1px solid #ccc;box-shadow:none;break-inside:avoid}}