@font-face{
    font-family:"Space Grotesk Local";
    src:url("fonts/space-grotesk-latin-500.woff2") format("woff2");
    font-weight:400 700;
    font-style:normal;
    font-display:swap;
}
@font-face{
    font-family:"Inter Local";
    src:url("fonts/inter-latin.woff2") format("woff2");
    font-weight:400 700;
    font-style:normal;
    font-display:swap;
}
@font-face{
    font-family:"JetBrains Mono Local";
    src:url("fonts/jetbrains-mono-latin.woff2") format("woff2");
    font-weight:400 700;
    font-style:normal;
    font-display:swap;
}
:root{
    --content-max:1280px;
    --content-pad:24px;
    --primary:#165DFF;
    --primary-dark:#0D47A1;
    --primary-light:#4080FF;
    --success:#00B42A;
    --success-light:#E8F8EC;
    --bg-primary:#ffffff;
    --bg-secondary:#F2F3F5;
    --bg-tertiary:#E5E6EB;
    --border:#C9CDD4;
    --text-primary:#1a1a2e;
    --text-secondary:#555555;
    --text-muted:#86909C;
    --shadow-sm:0 2px 4px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.08);
    --shadow-md:0 4px 8px rgba(0,0,0,0.06), 0 8px 24px rgba(0,0,0,0.1);
    --shadow-lg:0 8px 16px rgba(0,0,0,0.08), 0 16px 48px rgba(0,0,0,0.12);
    --shadow-primary:0 4px 12px rgba(22,93,255,0.15), 0 8px 24px rgba(22,93,255,0.1);
    --radius-sm:6px;
    --radius-md:10px;
    --radius-lg:16px;
    --transition-fast:0.15s ease;
    --transition-normal:0.25s ease;
    --transition-slow:0.35s ease;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter','Segoe UI',Arial,Helvetica,sans-serif;color:var(--text-primary);line-height:1.6;background:var(--bg-primary)}
a{color:var(--primary);text-decoration:none;transition:color var(--transition-fast)}
a:hover{color:var(--primary-dark);text-decoration:underline}
.container,
.l-wrap{
    max-width:var(--content-max);
    width:100%;
    margin:0 auto;
    padding:0 var(--content-pad);
}

.head-top .l-wrap,
.head-info .l-wrap,
.head-nav .l-wrap{
    max-width:var(--content-max) !important;
}
.header{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 50%,#0a3d8a 100%);color:#fff;padding:20px 0;box-shadow:var(--shadow-md)}
.logo{font-size:1.5em;font-weight:700;color:#fff}
.nav a{color:rgba(255,255,255,.9);margin-left:20px;font-size:.9em;transition:color var(--transition-fast)}
.nav a:hover{color:#fff;text-decoration:none}
.hero{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 50%,#0a3d8a 100%);color:#fff;padding:60px 0 50px;text-align:center;position:relative;overflow:hidden}
.hero-content{position:relative;z-index:1}
.hero h1{font-size:2.8em;font-weight:700;margin-bottom:16px;line-height:1.25}
.hero p{font-size:1.2em;opacity:.95;max-width:900px;margin:0 auto}
.breadcrumb{background:var(--bg-secondary);padding:14px 0;font-size:.9em;color:var(--text-muted);border-bottom:1px solid var(--bg-tertiary)}
.breadcrumb a{color:var(--primary)}
.breadcrumb span{margin:0 8px;color:var(--border)}
.section{padding:75px 0}
.section-alt{background:var(--bg-secondary)}
.section-title{font-size:2em;color:var(--text-primary);margin-bottom:14px;font-weight:700;position:relative;padding-bottom:16px}
.section-title::after{content:'';position:absolute;bottom:0;left:0;width:70px;height:4px;background:linear-gradient(90deg,var(--primary),var(--primary-light));border-radius:2px}
.section-title-center{text-align:center}
.section-title-center::after{left:50%;transform:translateX(-50%)}
.section-desc{color:var(--text-secondary);font-size:1.1em;margin-bottom:40px;max-width:900px;line-height:1.7}
.advantages-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:40px}
.adv-card{background:#fff;border:1px solid transparent;border-radius:var(--radius-lg);padding:32px 24px;text-align:center;transition:all var(--transition-normal);box-shadow:var(--shadow-sm)}
.adv-card:hover{box-shadow:0 8px 24px rgba(22, 93, 255, 0.15), 0 2px 8px rgba(0,0,0,0.08);border-color:var(--primary);transform:translateY(-4px)}
.adv-icon{width:48px;height:48px;margin:0 auto 18px;color:var(--primary);display:flex;align-items:center;justify-content:center}
.adv-card h3{font-size:1.15em;color:var(--text-primary);margin-bottom:10px}
.adv-card p{font-size:.95em;color:var(--text-secondary);line-height:1.6}
.engineering-notes{background:linear-gradient(180deg,#fff 0%,var(--bg-secondary) 100%)}
.engineering-notes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.engineering-note{background:var(--bg-primary);border:1px solid var(--bg-tertiary);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow-sm)}
.engineering-note h3{font-size:1.02em;color:var(--text-primary);margin-bottom:10px;line-height:1.35}
.engineering-note p{color:var(--text-secondary);font-size:.94em;line-height:1.65}
.category-nav{background:#fff;padding:18px 0;position:sticky;top:0;z-index:100;border-bottom:2px solid var(--primary);box-shadow:0 2px 8px rgba(0,0,0,0.04)}
.category-nav-inner{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.category-nav a{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;background:var(--bg-secondary);border:1px solid transparent;border-radius:24px;font-size:.82em;color:var(--text-secondary);transition:all var(--transition-fast);white-space:nowrap}
.category-nav a:hover,.category-nav a.active{background:var(--primary);color:#fff;border-color:var(--primary);text-decoration:none}
.category-nav a svg{width:14px;height:14px}
.category-section{padding:55px 0;border-bottom:1px solid var(--bg-tertiary);scroll-margin-top:80px}
@supports (content-visibility:auto){
  .category-section{content-visibility:auto;contain-intrinsic-size:auto 900px}
}
.category-section:last-child{border-bottom:none}
.category-header{display:flex;align-items:center;gap:20px;margin-bottom:20px}
.category-number{width:44px;height:44px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1em;flex-shrink:0;box-shadow:var(--shadow-primary)}
.category-title{font-size:1.7em;color:var(--text-primary);font-weight:700}
.category-desc{color:var(--text-secondary);font-size:1em;margin-bottom:32px;line-height:1.7}
.category-link{margin:10px 0 0;font-size:.94em}
.adv-card .category-link{margin:14px 0 0}
.table-wrap .category-link{margin:12px 0 0}
.category-section .category-link{margin:10px 0 0}
.category-link a{display:inline-flex;align-items:center;color:var(--primary);font-weight:600;text-decoration:none}
.category-link a:hover{text-decoration:underline}
.sub-title{font-size:1.25em;color:var(--primary);font-weight:600;margin:30px 0 18px;padding-left:12px;border-left:4px solid var(--primary)}
.table-container{margin-bottom:32px}
.table-wrap{overflow-x:auto;border-radius:var(--radius-md);border:1px solid var(--bg-tertiary);box-shadow:var(--shadow-sm)}
table{width:100%;border-collapse:collapse;font-size:.88em}
caption{caption-side:top;text-align:left;font-size:.9em;color:var(--text-secondary);padding:0 0 10px 2px;font-weight:500}
thead{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff}
th{padding:14px 12px;text-align:left;font-weight:600;white-space:nowrap;font-size:.9em}
td{padding:12px 10px;border-bottom:1px solid var(--bg-tertiary);vertical-align:middle}
tbody tr:nth-child(even):not(.tbl-hidden){background:var(--bg-secondary)}
tbody tr:hover:not(.tbl-hidden){background:rgba(22,93,255,0.05)}
.model-link{color:var(--primary);font-weight:600;text-decoration:none}
.model-link:hover{text-decoration:underline}
.footer{background:#0d0d14;color:#86909C;padding:40px 0;text-align:center;font-size:.9em}
.footer a{color:#8ab4ff;transition:color var(--transition-fast)}
.footer a:hover{color:#fff}

.tbl-filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:14px;padding:16px 20px;background:var(--bg-secondary);border:1px solid var(--bg-tertiary);border-bottom:none;border-radius:var(--radius-md) var(--radius-md) 0 0}
.tbl-filter-bar+.table-wrap{border-radius:0 0 var(--radius-md) var(--radius-md);border-top:none}
.tbl-search{flex:1;min-width:180px;max-width:300px;padding:10px 14px 10px 36px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.9em;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='15' height='15' viewBox='0 0 24 24' fill='none' stroke='%2386909C' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E") 12px center no-repeat;color:var(--text-primary);outline:none;transition:all var(--transition-fast)}
.tbl-search:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(22,93,255,0.1)}
.tbl-search::placeholder{color:var(--text-muted)}
.tbl-count{font-size:.85em;color:var(--text-muted);white-space:nowrap}
.tbl-count strong{color:var(--primary);font-weight:600}
.tbl-clear{padding:8px 16px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.85em;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}
.tbl-clear:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.tbl-range-group{display:flex;align-items:center;gap:8px;white-space:nowrap}
.tbl-range-group label{font-size:.8em;color:var(--text-muted);font-weight:500}
.tbl-range-input{width:70px;padding:7px 8px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.85em;text-align:center;outline:none;transition:all var(--transition-fast)}
.tbl-range-input:focus{border-color:var(--primary);box-shadow:0 0 0 2px rgba(22,93,255,0.1)}
.tbl-range-sep{font-size:.8em;color:var(--border)}
th[data-sortable]{cursor:pointer;user-select:none;position:relative;padding-right:22px}
th[data-sortable]::after{content:'';position:absolute;right:6px;top:50%;transform:translateY(-50%);width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent}
th[data-sortable]:hover{background:rgba(255,255,255,.15)}
th.sort-asc::after{border-bottom:5px solid rgba(255,255,255,.9)}
th.sort-desc::after{border-top:5px solid rgba(255,255,255,.9)}
tbody tr.tbl-hidden{display:none}

.back-to-top{position:fixed;bottom:32px;right:32px;width:44px;height:44px;background:#165DFF;color:#fff;border:none;border-radius:50%;cursor:pointer;font-size:1.3em;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(22,93,255,.3);opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s,transform .3s;z-index:99}
.back-to-top.visible{opacity:1;visibility:visible}
.back-to-top:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(22,93,255,.4)}
.back-to-top svg{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}

.theme-toggle{position:relative;width:44px;height:44px;border:none;border-radius:50%;background:#165DFF;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.1em;transition:all .2s;box-shadow:0 2px 8px rgba(22,93,255,.3)}
.theme-toggle:hover{background:#0d47a1;transform:scale(1.05)}
.theme-toggle svg{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:2}
.dark-mode .theme-toggle{background:#6da3ff}
.dark-mode .theme-toggle:hover{background:#4a8fff}

@media(max-width:768px){
.theme-toggle{width:36px;height:36px;font-size:.9em}
}

:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
th[data-sortable]:focus-visible{outline-offset:-2px;background:rgba(255,255,255,.2)}

.dark-mode{
    --bg-primary:#0d0d14;
    --bg-secondary:#12121a;
    --bg-tertiary:#1a1a24;
    --border:#2a2a35;
    --text-primary:#f0f0f5;
    --text-secondary:#b0b0c0;
    --text-muted:#7a7a8a;
    --shadow-sm:0 2px 4px rgba(0,0,0,0.3), 0 4px 12px rgba(0,0,0,0.4);
    --shadow-md:0 4px 8px rgba(0,0,0,0.4), 0 8px 24px rgba(0,0,0,0.5);
}
.dark-mode{background:var(--bg-primary);color:var(--text-primary)}
.dark-mode a{color:#6da3ff}
.dark-mode .header{background:linear-gradient(135deg,#1a3a6e 0%,#0d2554 50%,#091c3a 100%);box-shadow:0 2px 12px rgba(0,0,0,0.5)}
.dark-mode .hero{background:linear-gradient(135deg,#1a3a6e 0%,#0d2554 50%,#091c3a 100%)}
.dark-mode .breadcrumb{background:var(--bg-secondary);border-bottom-color:var(--border)}
.dark-mode .breadcrumb a{color:#6da3ff}
.dark-mode .breadcrumb span{color:var(--border)}
.dark-mode .section-alt{background:var(--bg-secondary)}
.dark-mode .section-title{color:#f0f0f5}
.dark-mode .section-title::after{background:linear-gradient(90deg,#6da3ff,#8ab4ff)}
.dark-mode .section-desc{color:var(--text-secondary)}
.dark-mode .adv-card{background:var(--bg-secondary);border-color:var(--border);box-shadow:var(--shadow-sm)}
.dark-mode .adv-card:hover{box-shadow:var(--shadow-md)}
.dark-mode .adv-card h3{color:#f0f0f5}
.dark-mode .adv-card p{color:var(--text-secondary)}
.dark-mode .adv-icon{background:rgba(109,163,255,.15);color:#6da3ff}
.dark-mode .category-nav{background:var(--bg-secondary);border-bottom-color:#6da3ff;box-shadow:0 2px 8px rgba(0,0,0,0.3)}
.dark-mode .category-nav a{background:var(--bg-tertiary);border-color:var(--border);color:var(--text-secondary)}
.dark-mode .category-nav a:hover,.dark-mode .category-nav a.active{background:#6da3ff;color:#fff;border-color:#6da3ff}
.dark-mode .category-section{border-bottom-color:var(--border)}
.dark-mode .category-title{color:#f0f0f5}
.dark-mode .category-desc{color:var(--text-secondary)}
.dark-mode .sub-title{color:#6da3ff;border-left-color:#6da3ff}
.dark-mode .table-wrap{border-color:var(--border);box-shadow:var(--shadow-sm)}
.dark-mode thead{background:linear-gradient(135deg,#1a3a6e,#0d2554)}
.dark-mode th{color:#f0f0f5}
.dark-mode td{border-bottom-color:var(--border)}
.dark-mode tbody tr:nth-child(even):not(.tbl-hidden){background:var(--bg-secondary)}
.dark-mode tbody tr:hover:not(.tbl-hidden){background:rgba(109,163,255,0.1)}
.dark-mode .tbl-filter-bar{background:var(--bg-secondary);border-color:var(--border)}
.dark-mode .tbl-search{background:var(--bg-tertiary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='15' height='15' viewBox='0 0 24 24' fill='none' stroke='%237a7a8a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E") 12px center no-repeat;border-color:var(--border);color:var(--text-primary)}
.dark-mode .tbl-search::placeholder{color:var(--text-muted)}
.dark-mode .tbl-count{color:var(--text-muted)}
.dark-mode .tbl-count strong{color:#6da3ff}
.dark-mode .tbl-clear{background:var(--bg-tertiary);border-color:var(--border);color:var(--text-secondary)}
.dark-mode .tbl-clear:hover{background:#6da3ff;color:#fff;border-color:#6da3ff}
.dark-mode .tbl-range-group label{color:var(--text-muted)}
.dark-mode .tbl-range-input{background:var(--bg-tertiary);border-color:var(--border);color:var(--text-primary)}
.dark-mode .tbl-range-sep{color:var(--text-muted)}
.dark-mode .footer{background:#08080d;color:var(--text-muted)}
.dark-mode .footer a{color:#6da3ff}
.dark-mode .back-to-top{background:#6da3ff;box-shadow:0 4px 12px rgba(109,163,255,.4)}
.dark-mode .back-to-top:hover{box-shadow:0 6px 20px rgba(109,163,255,.5)}
.dark-mode .back-to-top svg{stroke:#fff}
.dark-mode .category-number{background:linear-gradient(135deg,#6da3ff,#4a8fff);box-shadow:0 4px 12px rgba(109,163,255,.3)}

/* Responsive styles */
@media(max-width:1024px){
.advantages-grid{grid-template-columns:repeat(2,1fr)}
.engineering-notes-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
.hero h1{font-size:1.7em}
.hero{padding:40px 0 28px}
.section{padding:32px 0}
.category-section{padding:32px 0}
.section-title{font-size:1.4em}
.advantages-grid{grid-template-columns:1fr}
.category-nav{position:relative}
table{font-size:.75em}
th{padding:10px 6px;font-size:.82em}
td{padding:8px 6px}
.tbl-filter-bar{padding:10px 12px;gap:8px}
.tbl-search{min-width:140px;max-width:none;padding:7px 10px 7px 28px}
.tbl-range-group{display:none}
.tbl-clear{padding:5px 10px;font-size:.75em}
.back-to-top{bottom:20px;right:20px;width:40px;height:40px;font-size:1.1em}
}
@media(max-width:480px){
.hero h1{font-size:1.35em}
.tbl-filter-bar{flex-direction:column;align-items:stretch}
.tbl-search{max-width:none}
.tbl-count{text-align:center}
th{padding:8px 4px;font-size:.75em}
td{padding:6px 4px}
.nav a{margin-left:12px}
}

@media print{
.category-nav,.back-to-top,.tbl-filter-bar,.tbl-clear,.tbl-search,.tbl-range-group{display:none!important}
body{font-size:11pt;color:#000;background:#fff}
.hero{background:#fff!important;color:#000!important;padding:20px 0}
.hero h1{color:#000;font-size:18pt}
.hero p{color:#333}
.header{background:#fff!important;color:#000!important;padding:8px 0;border-bottom:2px solid #000}
.logo{color:#000}
.nav a{color:#333}
.breadcrumb{background:#fff;border-bottom:1px solid #ccc}
.breadcrumb a{color:#333}
.section-alt{background:#fff}
.category-section{padding:20px 0;border-bottom:1px solid #ccc;page-break-inside:avoid}
@supports (content-visibility:auto){
  .category-section{content-visibility:visible;contain-intrinsic-size:auto}
}
.category-number{background:#333}
.category-title{color:#000;font-size:14pt}
.category-desc{color:#333}
.sub-title{color:#000;border-left-color:#333}
.table-wrap{border:1px solid #ccc;box-shadow:none;border-radius:0}
thead{background:#eee!important;color:#000!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
th{color:#000!important}
td{border-bottom-color:#ccc}
tbody tr:nth-child(even){background:#f9f9f9!important}
.footer{background:#fff;color:#666;border-top:1px solid #ccc}
.footer a{color:#333}
caption{color:#333}
}

/* New UX Features Styles */
.sidebar-nav{position:fixed;left:16px;top:140px;width:190px;max-height:calc(100vh - 180px);overflow-y:auto;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:14px 16px;z-index:80}
.sidebar-nav h4{font-size:.88em;color:var(--text-primary);margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid var(--bg-tertiary);font-weight:600}
.sidebar-nav ul{list-style:none}
.sidebar-nav li{margin-bottom:3px}
.sidebar-nav a{display:block;padding:7px 11px;border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.82em;text-decoration:none;transition:all var(--transition-fast)}
.sidebar-nav a:hover,.sidebar-nav a.active{background:rgba(22,93,255,.1);color:var(--primary)}
.dark-mode .sidebar-nav{background:var(--bg-primary);border-color:var(--border)}

.main-content-wrapper{padding-left:0}

/* Request Quote Button */
.quote-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;background:var(--success);color:#fff;border:none;border-radius:var(--radius-md);font-weight:600;font-size:.9em;cursor:pointer;transition:all var(--transition-fast);box-shadow:0 2px 8px rgba(0,180,42,.25)}
.quote-btn:hover{background:#009e25;transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,180,42,.35)}
.quote-btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2}

/* Product Card Quick Preview & Compare */
.product-action-bar{display:flex;gap:8px;flex-wrap:wrap}
.quick-preview-btn,.compare-btn{padding:6px 12px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.8em;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);display:inline-flex;align-items:center;gap:6px}
.quick-preview-btn:hover,.compare-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.compare-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* Modal Styles */
body.modal-open{overflow:hidden}
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.66);display:flex;align-items:center;justify-content:center;z-index:100000100;opacity:0;visibility:hidden;transition:all var(--transition-normal);padding:24px;box-sizing:border-box}
.modal-overlay.visible{opacity:1;visibility:visible}
.modal-content{background:var(--bg-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:min(900px,100%);max-height:calc(100vh - 48px);overflow:hidden;display:flex;flex-direction:column;transform:translateY(20px);transition:transform var(--transition-normal)}
.modal-overlay.visible .modal-content{transform:translateY(0)}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--bg-tertiary)}
.modal-header h3{font-size:1.3em;color:var(--text-primary);font-weight:700}
.modal-close{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border:none;background:var(--bg-secondary);border-radius:50%;cursor:pointer;color:var(--text-secondary);transition:all var(--transition-fast)}
.modal-close:hover{background:var(--bg-tertiary);color:var(--text-primary)}
.modal-body{padding:24px;overflow:auto;-webkit-overflow-scrolling:touch}
.modal-footer{padding:16px 24px;border-top:1px solid var(--bg-tertiary);display:flex;justify-content:flex-end;gap:12px}

/* Compare Table */
#compareModal .modal-content{width:min(1180px,100%)}
#compareModal .modal-body{overflow:auto}
.compare-table{width:100%;min-width:max-content;border-collapse:collapse}
.compare-table th,.compare-table td{padding:12px;text-align:left;border:1px solid var(--bg-tertiary)}
.compare-table th:not(:first-child),.compare-table td:not(:first-child){min-width:220px}
.compare-table th:first-child,.compare-table td:first-child{min-width:140px;position:sticky;left:0;z-index:1}
.compare-table th{background:var(--bg-secondary);font-weight:600;color:var(--text-primary)}
.compare-table tr:nth-child(even){background:var(--bg-secondary)}
.compare-table tr:nth-child(odd) td:first-child{background:var(--bg-primary)}
.compare-table tr:nth-child(even) td:first-child{background:var(--bg-secondary)}
.remove-compare{padding:6px 12px;background:#ff4d4f;color:#fff;border:none;border-radius:var(--radius-sm);cursor:pointer;font-size:.85em}
.remove-compare:hover{background:#ff7875}

/* Enhanced Breadcrumb with Dropdown */
.breadcrumb-dropdown{position:relative;display:inline-block}
.breadcrumb-toggle{background:transparent;border:1px solid var(--border);padding:4px 10px;border-radius:var(--radius-sm);cursor:pointer;color:var(--text-secondary);display:inline-flex;align-items:center;gap:6px;font-size:.85em;transition:all var(--transition-fast)}
.breadcrumb-toggle:hover{border-color:var(--primary);color:var(--primary)}
.breadcrumb-menu{position:absolute;top:100%;left:0;margin-top:4px;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-md);min-width:200px;z-index:1000;display:none}
.breadcrumb-menu.visible{display:block}
.breadcrumb-menu a{display:block;padding:10px 16px;color:var(--text-secondary);text-decoration:none;font-size:.85em;transition:all var(--transition-fast)}
.breadcrumb-menu a:hover{background:rgba(22,93,255,.05);color:var(--primary)}

/* Recent View */
.recent-view{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px;margin-bottom:20px}
.recent-view h4{font-size:.95em;color:var(--text-primary);margin-bottom:12px;font-weight:600}
.recent-list{display:flex;flex-wrap:wrap;gap:8px}
.recent-item{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.8em;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast)}
.recent-item:hover{border-color:var(--primary);color:var(--primary)}
.recent-item .remove{width:18px;height:18px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--bg-tertiary);color:var(--text-muted);font-size:.75em;cursor:pointer;transition:all var(--transition-fast)}
.recent-item .remove:hover{background:var(--text-muted);color:#fff}

/* Selection Tray */
.selection-tray{position:fixed;right:24px;top:50%;transform:translateY(-50%);width:320px;z-index:900;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:0 16px 44px rgba(15,35,70,.18);overflow:hidden;opacity:0;pointer-events:none;transition:opacity var(--transition-normal),transform var(--transition-normal)}
.selection-tray.has-selection{opacity:1;pointer-events:auto}
.selection-tray-toggle{display:none}
.selection-tray-panel{display:flex;flex-direction:column;gap:14px;padding:16px}
.selection-tray-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;border-bottom:1px solid var(--bg-tertiary);padding-bottom:12px}
.selection-tray-head strong{display:block;color:var(--text-primary);font-size:1em}
.selection-tray-head span{display:block;color:var(--text-muted);font-size:.78em;margin-top:3px}
.selection-clear{border:none;background:var(--bg-secondary);color:var(--text-secondary);border-radius:999px;padding:5px 10px;cursor:pointer;font-size:.78em}
.selection-clear:hover{background:var(--bg-tertiary);color:var(--text-primary)}
.selection-intent,.compare-intent-summary{font-size:.84em;color:var(--text-secondary);line-height:1.55}
.intent-tags{display:flex;flex-wrap:wrap;gap:7px}
.intent-tags span{display:inline-flex;align-items:center;padding:5px 8px;border-radius:999px;background:rgba(22,93,255,.08);color:var(--primary);font-weight:600;font-size:.78em}
.selection-list{display:flex;flex-direction:column;gap:10px;max-height:42vh;overflow:auto;padding-right:2px}
.selection-empty{color:var(--text-muted);font-size:.86em;line-height:1.5}
.selection-item{position:relative;border:1px solid var(--bg-tertiary);border-radius:var(--radius-md);padding:10px 34px 10px 12px;background:var(--bg-secondary)}
.selection-item strong{display:block;color:var(--text-primary);font-size:.92em;margin-bottom:3px}
.selection-item span{display:block;color:var(--text-muted);font-size:.78em}
.selection-item small{display:block;color:var(--text-secondary);font-size:.78em;line-height:1.45;margin-top:7px}
.selection-remove{position:absolute;right:8px;top:8px;width:22px;height:22px;border:none;border-radius:50%;background:#ff4d4f;color:#fff;cursor:pointer;line-height:1}
.selection-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.compare-open-btn{border:1px solid var(--primary);background:#fff;color:var(--primary);border-radius:var(--radius-md);font-weight:600;cursor:pointer;padding:10px 12px}
.compare-open-btn:disabled,.selection-quote-btn:disabled{opacity:.45;cursor:not-allowed}
.compare-intent-summary{margin-bottom:14px;padding:12px;border:1px solid rgba(22,93,255,.16);border-radius:var(--radius-md);background:rgba(22,93,255,.04)}

/* Dark mode for new elements */
.dark-mode .quick-preview-btn,.dark-mode .compare-btn{background:var(--bg-tertiary);border-color:var(--border);color:var(--text-secondary)}
.dark-mode .quick-preview-btn:hover,.dark-mode .compare-btn:hover{background:#6da3ff;border-color:#6da3ff;color:#fff}
.dark-mode .modal-content{background:var(--bg-primary)}
.dark-mode .modal-header{border-color:var(--border)}
.dark-mode .modal-footer{border-color:var(--border)}
.dark-mode .modal-close{background:var(--bg-tertiary);color:var(--text-secondary)}
.dark-mode .modal-close:hover{background:var(--border);color:var(--text-primary)}
.dark-mode .compare-table th,.dark-mode .compare-table td{border-color:var(--border)}
.dark-mode .compare-table th{background:var(--bg-tertiary)}
.dark-mode .compare-table tr:nth-child(even){background:var(--bg-tertiary)}
.dark-mode .breadcrumb-toggle{background:transparent;border-color:var(--border);color:var(--text-secondary)}
.dark-mode .breadcrumb-toggle:hover{border-color:#6da3ff;color:#6da3ff}
.dark-mode .breadcrumb-menu{background:var(--bg-primary);border-color:var(--border)}
.dark-mode .breadcrumb-menu a:hover{background:rgba(109,163,255,.1);color:#6da3ff}
.dark-mode .recent-view{background:var(--bg-tertiary);border-color:var(--border)}
.dark-mode .recent-item{background:var(--bg-primary);border-color:var(--border);color:var(--text-secondary)}
.dark-mode .recent-item:hover{border-color:#6da3ff;color:#6da3ff}
.dark-mode .recent-item .remove{background:var(--border);color:var(--text-muted)}
.dark-mode .recent-item .remove:hover{background:var(--text-muted);color:var(--bg-primary)}
.dark-mode .selection-tray{background:var(--bg-primary);border-color:var(--border);box-shadow:0 16px 44px rgba(0,0,0,.45)}
.dark-mode .selection-clear,.dark-mode .selection-item{background:var(--bg-tertiary)}
.dark-mode .compare-open-btn{background:var(--bg-primary);border-color:#6da3ff;color:#6da3ff}
.dark-mode .compare-intent-summary{background:rgba(109,163,255,.08);border-color:rgba(109,163,255,.2)}

/* Fix for broken iconfont icons - replace with SVG or hide */
.iconfont {
  display: none !important;
}

/* Keep header contact icons visible using SVG */
.head-info .item .icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(22, 93, 255, 0.1);
  color: var(--primary);
}

/* Style SVG icons */
.head-info .icon svg,
.gotop svg,
.bottom-btn .btn-item a svg {
  display: block;
  width: 100%;
  height: 100%;
}

/* Gotop button styling */
.gotop {
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* Bottom button SVG icons */
.bottom-btn .btn-item a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.bottom-btn .btn-item a svg {
  width: 28px;
  height: 28px;
  margin-bottom: 4px;
}

/* Trust Bar - Social Proof */
.trust-bar {
  background: var(--bg-secondary);
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.85em;
}

.trust-item svg {
  color: var(--primary);
}

.trust-divider {
  color: var(--border);
  font-weight: 300;
}

.dark-mode .trust-bar {
  background: var(--bg-tertiary);
  border-bottom-color: var(--border);
}

.dark-mode .trust-item {
  color: var(--text-muted);
}

/* Hero Enhancement */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 50%, #0a3d8a 100%);
  color: #fff;
  padding: 60px 0 50px;
  text-align: left;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.hero-text h1 {
  font-size: 2.6em;
  margin-bottom: 16px;
  line-height: 1.2;
}

.hero-text p {
  font-size: 1.1em;
  line-height: 1.7;
  margin-bottom: 24px;
  opacity: 0.95;
}

.hero-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.hero-badge {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.9em;
  font-weight: 500;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-normal);
  cursor: pointer;
  border: none;
  font-size: 1em;
}

.btn-primary {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.2);
}

.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 2px solid #fff;
}

.btn-outline-white:hover {
  background: #fff;
  color: var(--primary);
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.spectrum-graph {
  width: 100%;
  max-width: 320px;
  height: auto;
}

.dark-mode .hero {
  background: linear-gradient(135deg, #1a3a6e 0%, #0d2554 50%, #091c3a 100%);
}

/* Certification Section */
.cert-section {
  padding: 56px 0;
  background:
    linear-gradient(180deg, rgba(255,255,255,.82), rgba(242,243,245,.94)),
    radial-gradient(circle at 18% 20%, rgba(22,93,255,.08), transparent 34%);
  border-top: 1px solid rgba(201,205,212,.65);
  border-bottom: 1px solid rgba(201,205,212,.65);
}

.cert-heading {
  max-width: 820px;
  margin: 0 auto 28px;
  text-align: center;
}

.section-eyebrow {
  margin: 0 0 8px;
  color: var(--primary);
  font-size: .78em;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.cert-heading h2 {
  margin: 0 0 12px;
  color: var(--text-primary);
  font-size: clamp(1.55em, 2.2vw, 2.15em);
  line-height: 1.2;
}

.cert-heading p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 1em;
  line-height: 1.75;
}

.cert-inner {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.cert-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  min-height: 178px;
  padding: 22px;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid rgba(201,205,212,.8);
  border-radius: 18px;
  box-shadow: 0 14px 34px rgba(12, 28, 54, .07);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.cert-item:hover {
  transform: translateY(-3px);
  border-color: rgba(22,93,255,.45);
  box-shadow: 0 18px 42px rgba(22,93,255,.12);
}

.cert-kicker {
  color: var(--primary);
  font-size: .72em;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.cert-item strong {
  color: var(--text-primary);
  font-size: 1.02em;
  line-height: 1.35;
}

.cert-item p {
  margin: 0;
  color: var(--text-secondary);
  font-size: .92em;
  line-height: 1.65;
}

/* Bottom CTA */
.cta-section {
  padding: 56px 0;
  background: linear-gradient(135deg, rgba(22, 93, 255, 0.06), rgba(0, 180, 42, 0.04));
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cta-content h2 {
  font-size: 1.8em;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.cta-content p {
  font-size: 1.05em;
  color: var(--text-secondary);
}

.cta-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-ghost {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-ghost:hover {
  background: var(--primary);
  color: #fff;
}

.btn-success {
  background: var(--success);
  color: #fff;
  box-shadow: 0 4px 12px rgba(0, 180, 42, 0.25);
}

.btn-success:hover {
  background: #009e25;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 180, 42, 0.35);
}

.dark-mode .cert-section {
  background:
    linear-gradient(180deg, rgba(24,27,36,.92), rgba(18,20,28,.96)),
    radial-gradient(circle at 18% 20%, rgba(109,163,255,.12), transparent 34%);
  border-color: var(--border);
}

.dark-mode .cta-section {
  background: linear-gradient(135deg, rgba(22, 93, 255, 0.12), rgba(0, 180, 42, 0.08));
}

.dark-mode .cert-item {
  background: var(--bg-primary);
  border-color: var(--border);
  color: var(--text-primary);
}

.dark-mode .cert-heading h2,
.dark-mode .cert-item strong {
  color: var(--text-primary);
}

.dark-mode .cert-heading p,
.dark-mode .cert-item p {
  color: var(--text-secondary);
}

.dark-mode .cta-content h2 {
  color: #e0e0e0;
}

/* Responsive for new elements */
@media(max-width:1600px){
.sidebar-nav{display:none}
}
@media(max-width:1366px){
.sidebar-nav{display:none}
.main-content-wrapper{padding-left:0}
}
@media(max-width:960px){
.hero-inner {
  grid-template-columns: 1fr;
  text-align: center;
}
.hero-text {
  order: 1;
}
.hero-visual {
  order: 2;
}
.hero-badges, .hero-actions {
  justify-content: center;
}
}
@media(max-width:960px){
.cta-inner {
  flex-direction: column;
  text-align: center;
}
.cert-inner {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
}
@media(max-width:1366px){
.selection-tray{top:auto;right:12px;left:12px;bottom:12px;transform:translateY(calc(100% - 48px));width:auto;border-radius:18px;opacity:1;pointer-events:auto}
.selection-tray.has-selection{transform:translateY(calc(100% - 48px))}
.selection-tray.expanded{transform:translateY(0)}
.selection-tray-toggle{display:flex;width:100%;height:48px;align-items:center;justify-content:space-between;border:none;background:var(--primary);color:#fff;padding:0 16px;font-weight:700;cursor:pointer}
.selection-count{display:inline-flex;align-items:center;justify-content:center;min-width:24px;height:24px;border-radius:50%;background:#fff;color:var(--primary);font-size:.85em}
.selection-tray-panel{max-height:70vh;overflow:auto}
}
@media(max-width:768px){
.quote-btn{padding:8px 16px;font-size:.85em}
.hero-text h1 {
  font-size: 2em;
}
.trust-bar-inner {
  gap: 20px;
}
.trust-divider {
  display: none;
}
.trust-item {
  gap: 6px;
}
.cert-section{padding:40px 0}
.cert-inner{grid-template-columns:1fr}
.cert-item{min-height:auto}
.btn {
  padding: 10px 20px;
  font-size: 0.95em;
}
}
@media(max-width:480px){
.trust-bar-inner {
  justify-content: flex-start;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0 8px;
  scrollbar-width: none;
}
.trust-bar-inner::-webkit-scrollbar {
  display: none;
}
.trust-item {
  white-space: nowrap;
}
}

/* Visual System Upgrade v1: local fonts, stable hub cards, readable tables, and clearer selection states. */
:root{
  --font-display:"Space Grotesk Local","Segoe UI",Arial,Helvetica,sans-serif;
  --font-body:"Inter Local","Segoe UI",Arial,Helvetica,sans-serif;
  --font-mono:"JetBrains Mono Local","SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --navy-950:#07152f;
  --navy-900:#0a1f44;
  --navy-800:#0d326f;
  --optical-blue:#155eef;
  --optical-blue-soft:#dbeafe;
  --optic-cyan:#08b6d8;
  --optic-cyan-soft:#e6faff;
  --signal-amber:#f59e0b;
  --graphite-900:#111827;
  --graphite-700:#374151;
  --graphite-500:#6b7280;
  --surface-50:#f8fbff;
  --surface-100:#eef4f8;
  --line-soft:rgba(10,31,68,.12);
  --fs-12:.75rem;
  --fs-14:.875rem;
  --fs-15:.9375rem;
  --fs-16:1rem;
  --fs-20:1.25rem;
  --fs-28:1.75rem;
  --fs-36:2.25rem;
  --fs-48:3rem;
  --space-8:8px;
  --space-16:16px;
  --space-24:24px;
  --space-32:32px;
  --space-48:48px;
  --space-64:64px;
  --shadow-optical:0 18px 48px rgba(7,21,47,.12),0 4px 14px rgba(7,21,47,.06);
  --shadow-optical-hover:0 24px 64px rgba(7,21,47,.16),0 8px 22px rgba(8,182,216,.12);
}

body{
  font-family:var(--font-body);
  color:var(--graphite-900);
  background:
    radial-gradient(circle at 8% 4%,rgba(8,182,216,.08),transparent 28rem),
    linear-gradient(180deg,#fff 0%,var(--surface-50) 42%,#fff 100%);
  font-size:var(--fs-16);
}

h1,h2,h3,.hero h1,.section-title,.category-title,.adv-card h3,.selection-tray-head strong{
  font-family:var(--font-display);
  letter-spacing:-.025em;
}

.hero{
  background:
    radial-gradient(circle at 82% 42%,rgba(8,182,216,.24),transparent 18rem),
    radial-gradient(circle at 62% 18%,rgba(21,94,239,.28),transparent 16rem),
    linear-gradient(135deg,#155eef 0%,#0d326f 46%,#07152f 100%);
}

.hero h1{
  font-size:clamp(var(--fs-36),4vw,var(--fs-48));
  line-height:1.12;
}

.hero p{
  font-size:clamp(var(--fs-16),1.4vw,var(--fs-20));
  line-height:1.75;
  max-width:720px;
}

#overview .advantages-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--space-24);
  align-items:stretch;
}

#overview .adv-card{
  position:relative;
  display:flex;
  min-height:260px;
  flex-direction:column;
  justify-content:space-between;
  overflow:hidden;
  text-align:left;
  padding:30px;
  border:1px solid rgba(10,31,68,.1);
  border-radius:24px;
  background:
    linear-gradient(145deg,rgba(255,255,255,.98),rgba(248,251,255,.94)),
    radial-gradient(circle at 100% 0%,rgba(8,182,216,.14),transparent 12rem);
  box-shadow:var(--shadow-optical);
  isolation:isolate;
}

#overview .adv-card::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:linear-gradient(135deg,rgba(21,94,239,.13),transparent 34%,rgba(8,182,216,.16));
  opacity:0;
  transition:opacity var(--transition-normal);
}

#overview .adv-card:hover{
  transform:translateY(-4px);
  border-color:rgba(21,94,239,.32);
  box-shadow:var(--shadow-optical-hover);
}

#overview .adv-card:hover::before{
  opacity:1;
}

#overview .adv-icon{
  width:54px;
  height:54px;
  margin:0 0 var(--space-16);
  color:var(--optical-blue);
  background:linear-gradient(135deg,var(--optical-blue-soft),var(--optic-cyan-soft));
  border:1px solid rgba(21,94,239,.16);
  border-radius:18px;
}

#overview .adv-card h3{
  margin-bottom:12px;
  color:var(--navy-950);
  font-size:var(--fs-20);
  line-height:1.3;
}

#overview .adv-card p{
  color:var(--graphite-700);
  font-size:var(--fs-15,var(--fs-16));
  line-height:1.72;
}

#overview .category-link{
  margin-top:var(--space-16);
}

#overview .category-link a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:40px;
  padding:9px 14px;
  color:var(--optical-blue);
  font-weight:700;
  text-decoration:none;
  border:1px solid rgba(21,94,239,.2);
  border-radius:999px;
  background:#fff;
}

#overview .category-link a::after{
  content:"->";
  font-family:var(--font-mono);
  font-size:var(--fs-12);
  transition:transform var(--transition-fast);
}

#overview .category-link a:hover{
  color:#fff;
  background:linear-gradient(135deg,var(--optical-blue),var(--navy-800));
  border-color:transparent;
  box-shadow:0 10px 24px rgba(21,94,239,.22);
}

#overview .category-link a:hover::after{
  transform:translateX(3px);
}

.table-wrap{
  border-color:var(--line-soft);
  border-radius:18px;
  background:#fff;
  box-shadow:0 18px 38px rgba(7,21,47,.08);
}

.table-wrap table{
  border-collapse:separate;
  border-spacing:0;
  font-size:var(--fs-14);
  font-variant-numeric:tabular-nums;
}

.table-wrap thead th{
  position:sticky;
  top:0;
  z-index:3;
  padding:15px 13px;
  color:#fff;
  font-family:var(--font-display);
  font-size:var(--fs-14);
  letter-spacing:-.01em;
  background:linear-gradient(135deg,var(--optical-blue),var(--navy-800));
  box-shadow:inset 0 -1px 0 rgba(255,255,255,.18);
}

.table-wrap tbody td{
  padding:14px 13px;
  border-bottom:1px solid rgba(10,31,68,.09);
  color:var(--graphite-900);
  line-height:1.75;
}

.table-wrap tbody tr:nth-child(even):not(.tbl-hidden){
  background:rgba(238,244,248,.58);
}

.table-wrap tbody tr:not(.tbl-hidden){
  transition:background-color var(--transition-fast),box-shadow var(--transition-fast),transform var(--transition-fast);
}

.table-wrap tbody tr:hover:not(.tbl-hidden){
  background:rgba(8,182,216,.08);
  box-shadow:inset 4px 0 0 var(--optic-cyan);
}

.table-wrap tbody tr.is-compared{
  background:rgba(21,94,239,.12)!important;
  box-shadow:inset 4px 0 0 var(--optical-blue);
}

.table-wrap tbody tr.compare-flash{
  animation:comparePulse .52s ease-out;
}

.table-wrap td:first-child,
.table-wrap td:nth-child(2),
.table-wrap td:nth-child(3),
.table-wrap td:nth-child(4),
.table-wrap td:nth-child(5){
  font-family:var(--font-mono);
  font-size:.86rem;
}

.table-wrap td:first-child,
.model-link{
  font-weight:700;
  color:var(--navy-900);
}

.quick-preview-btn,
.compare-btn,
.quote-btn{
  border-radius:9px;
  font-weight:700;
  transition:background-color var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-fast);
}

.quick-preview-btn:hover,
.compare-btn:hover,
.quote-btn:hover{
  transform:translateY(-1px);
}

.compare-btn.active,
.table-wrap tr.is-compared .compare-btn{
  color:#fff;
  border-color:var(--optical-blue);
  background:linear-gradient(135deg,var(--optical-blue),var(--navy-800));
  box-shadow:0 8px 18px rgba(21,94,239,.22);
}

.selection-tray{
  border:1px solid rgba(10,31,68,.13);
  background:rgba(255,255,255,.96);
  box-shadow:0 22px 58px rgba(7,21,47,.18);
  backdrop-filter:blur(12px);
}

.selection-tray-toggle{
  font-family:var(--font-display);
}

.selection-tray-head strong{
  color:var(--navy-950);
  font-size:var(--fs-16);
}

.selection-count{
  font-family:var(--font-mono);
}

.selection-item{
  position:relative;
  border:1px solid rgba(10,31,68,.09);
  border-radius:14px;
  background:linear-gradient(135deg,#fff,var(--surface-50));
  box-shadow:0 8px 18px rgba(7,21,47,.06);
  transition:transform var(--transition-fast),box-shadow var(--transition-fast),border-color var(--transition-fast);
}

.selection-item::before{
  content:"";
  position:absolute;
  left:0;
  top:12px;
  bottom:12px;
  width:3px;
  border-radius:999px;
  background:linear-gradient(180deg,var(--optic-cyan),var(--optical-blue));
}

.selection-item:hover{
  transform:translateY(-2px);
  border-color:rgba(21,94,239,.22);
  box-shadow:0 14px 28px rgba(7,21,47,.1);
}

.selection-item strong{
  font-family:var(--font-mono);
  color:var(--navy-950);
}

.selection-intent{
  border-left:3px solid var(--signal-amber);
  background:rgba(245,158,11,.08);
}

.compare-open-btn:not(:disabled),
.selection-quote-btn:not(:disabled){
  box-shadow:0 10px 22px rgba(21,94,239,.18);
}

@keyframes comparePulse{
  0%{box-shadow:inset 4px 0 0 var(--optic-cyan),0 0 0 0 rgba(8,182,216,.32)}
  70%{box-shadow:inset 4px 0 0 var(--optical-blue),0 0 0 12px rgba(8,182,216,0)}
  100%{box-shadow:inset 4px 0 0 var(--optical-blue),0 0 0 0 rgba(8,182,216,0)}
}

@media(min-width:1367px){
  .selection-tray.has-selection{
    transform:translateY(-50%) translateX(0);
  }
}

@media(max-width:1024px){
  #overview .advantages-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

@media(max-width:720px){
  #overview .advantages-grid{
    grid-template-columns:1fr;
    gap:var(--space-16);
  }

  #overview .adv-card{
    min-height:auto;
    padding:24px;
  }

  .table-wrap tbody td{
    padding:12px 11px;
  }
}

@media(prefers-reduced-motion:reduce){
  #overview .adv-card,
  .table-wrap tbody tr,
  .selection-item,
  .quick-preview-btn,
  .compare-btn,
  .quote-btn{
    transition:none;
  }

  .table-wrap tbody tr.compare-flash{
    animation:none;
  }
}

/* Compare Engineering Panel v1: wider desktop panel, quieter backdrop, sticky specs, and default diff highlighting. */
#compareModal.modal-overlay{
  align-items:flex-start;
  padding:32px 24px;
  background:rgba(7,15,30,.74);
  backdrop-filter:blur(3px);
}

#compareModal .modal-content{
  width:min(1360px,calc(100vw - 48px));
  max-height:calc(100vh - 64px);
  border:1px solid rgba(255,255,255,.22);
  border-radius:22px;
  box-shadow:0 34px 90px rgba(0,0,0,.34);
}

#compareModal .modal-header{
  padding:22px 28px;
  background:linear-gradient(180deg,#fff,var(--surface-50));
}

#compareModal .modal-body{
  padding:24px 28px 18px;
  background:#fff;
}

#compareModal .modal-footer{
  position:sticky;
  bottom:0;
  z-index:5;
  background:linear-gradient(180deg,rgba(255,255,255,.9),#fff 42%);
  box-shadow:0 -10px 24px rgba(7,21,47,.06);
}

body.modal-open .selection-tray{
  opacity:.08;
  pointer-events:none;
  filter:blur(1px);
}

.compare-controls{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin:0 0 14px;
  padding:10px 12px;
  border:1px solid rgba(21,94,239,.14);
  border-radius:12px;
  background:linear-gradient(135deg,rgba(21,94,239,.04),rgba(8,182,216,.05));
}

.compare-diff-toggle{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--navy-950);
  font-weight:700;
  cursor:pointer;
  user-select:none;
}

.compare-diff-toggle input{
  width:16px;
  height:16px;
  accent-color:var(--optical-blue);
}

.compare-control-note{
  color:var(--graphite-500);
  font-size:var(--fs-12);
}

#compareModal .compare-table{
  min-width:1040px;
  border-collapse:separate;
  border-spacing:0;
  table-layout:fixed;
  overflow:clip;
  border:1px solid rgba(10,31,68,.11);
  border-radius:14px;
}

#compareModal .compare-table th,
#compareModal .compare-table td{
  padding:14px 16px;
  border:0;
  border-right:1px solid rgba(10,31,68,.09);
  border-bottom:1px solid rgba(10,31,68,.09);
  line-height:1.65;
}

#compareModal .compare-table thead th{
  position:sticky;
  top:0;
  z-index:4;
  color:var(--navy-950);
  background:linear-gradient(180deg,#f8fbff,#eef4f8);
  box-shadow:inset 0 -1px 0 rgba(10,31,68,.12);
}

#compareModal .compare-table th:first-child,
#compareModal .compare-table td:first-child{
  width:180px;
  min-width:180px;
  position:sticky;
  left:0;
  z-index:3;
  color:var(--navy-950);
  background:#fff;
  box-shadow:1px 0 0 rgba(10,31,68,.1);
}

#compareModal .compare-table thead th:first-child{
  z-index:6;
  background:linear-gradient(180deg,#f8fbff,#eef4f8);
}

#compareModal .compare-table th:not(:first-child),
#compareModal .compare-table td:not(:first-child){
  min-width:215px;
  width:215px;
}

#compareModal .compare-table tbody th{
  font-family:var(--font-display);
  font-size:var(--fs-14);
}

#compareModal .compare-table tbody td{
  color:var(--graphite-700);
  font-family:var(--font-mono);
  font-size:.86rem;
}

#compareModal .compare-row-different th:first-child{
  box-shadow:inset 4px 0 0 var(--signal-amber),1px 0 0 rgba(10,31,68,.1);
}

#compareModal .compare-value-different{
  color:var(--navy-950);
  background:linear-gradient(135deg,rgba(245,158,11,.18),rgba(255,251,235,.96));
  box-shadow:inset 0 0 0 1px rgba(245,158,11,.24);
  font-weight:700;
}

#compareModal .compare-value-missing{
  color:#9f1239;
  background:linear-gradient(135deg,rgba(244,63,94,.12),rgba(255,241,242,.96));
}

.compare-diff-badge{
  display:inline-flex;
  align-items:center;
  margin-left:8px;
  padding:3px 7px;
  border-radius:999px;
  color:#92400e;
  background:rgba(245,158,11,.14);
  font-family:var(--font-body);
  font-size:11px;
  font-weight:800;
  letter-spacing:.01em;
  vertical-align:middle;
}

#compareModal.compare-diff-only .compare-control-note::after{
  content:" Showing changed specifications only.";
  color:var(--optical-blue);
  font-weight:700;
}

@media(max-width:960px){
  #compareModal.modal-overlay{
    padding:12px;
    align-items:flex-end;
  }

  #compareModal .modal-content{
    width:100%;
    max-height:calc(100vh - 24px);
    border-radius:18px;
  }

  #compareModal .modal-header,
  #compareModal .modal-body{
    padding-left:18px;
    padding-right:18px;
  }

  .compare-controls{
    align-items:flex-start;
    flex-direction:column;
    gap:8px;
  }
}