:root{--pg:#f2f5f9;--card:#fff;--card2:#f6fafd;--brd:rgba(200,220,240,.6);--brd2:rgba(170,200,225,.8);--txt:#1a2e3d;--txt2:#2e4e66;--txt3:#496f89;--txt4:#6a8faa;--th:#1f3d51;--th-t:#fff;--even:#f5fafd;--hvr:#e8f4fd;--tr-b:rgba(200,220,240,.5);--pill:#dceef9;--pill-t:#0c5278;--pill-b:#aacfe8;--info:#e8f3fa;--info-b:#3d7ca3;--info-t:#0d3f5a;--warn:#fef9ec;--warn-b:#e6a017;--warn-t:#5f3f0e;--ok:#e8faf2;--ok-b:#1a9c5a;--ok-t:#0b4a28;--danger:#fde8e8;--danger-b:#d64545;--danger-t:#7a1f1f;--h1:linear-gradient(145deg,#0e3050,#1a527a);--sh:0 20px 40px -15px rgba(0,32,60,.18);--conn-body:#d1d5db;--conn-stroke:#1f2937;--conn-pin:#374151;--conn-ring:#9ca3af;}
[data-theme="dark"]{--pg:#0b1826;--card:#0f2035;--card2:#132843;--brd:rgba(255,255,255,.08);--brd2:rgba(255,255,255,.15);--txt:#ddeaf8;--txt2:#8fb8d8;--txt3:#5a8aaa;--txt4:#3d6a88;--th:#091b2c;--th-t:#7dc4f0;--even:#0d1e30;--hvr:#112540;--tr-b:rgba(255,255,255,.06);--pill:rgba(59,130,246,.18);--pill-t:#93c5fd;--pill-b:rgba(59,130,246,.35);--info:rgba(59,130,246,.1);--info-b:#3b82f6;--info-t:#bfdbfe;--warn:rgba(245,158,11,.1);--warn-b:#f59e0b;--warn-t:#fcd34d;--ok:rgba(16,185,129,.1);--ok-b:#10b981;--ok-t:#6ee7b7;--danger:rgba(239,68,68,.12);--danger-b:#ef4444;--danger-t:#fca5a5;--h1:linear-gradient(135deg,#2c7be5,#0ea5e9);--sh:0 20px 40px -15px rgba(0,0,0,.5);--conn-body:#475569;--conn-stroke:#cbd5e1;--conn-pin:#1e293b;--conn-ring:#64748b;}

*{margin:0;padding:0;box-sizing:border-box;}
body{background:var(--pg);font-family:'Inter',system-ui,sans-serif;color:var(--txt);min-height:100vh;}
.container{max-width:1300px;width:100%;background:var(--card);border-radius:1.8rem;box-shadow:var(--sh);padding:2.5rem 2.3rem;border:1px solid var(--brd);margin:0 auto;}

table{width:100%;border-collapse:collapse;font-size:.95rem;}
thead th{background:var(--th);color:var(--th-t);font-weight:700;font-size:.85rem;letter-spacing:.4px;text-transform:uppercase;padding:1rem 1.2rem;text-align:left;white-space:nowrap;}
tbody td{padding:.9rem 1.2rem;border-bottom:1px solid var(--tr-b);vertical-align:middle;color:var(--txt2);}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover td,tbody tr:hover{background:var(--hvr);}
tbody tr:nth-child(even) td{background:var(--even);}
tbody tr:nth-child(even):hover td{background:var(--hvr);}
.table-responsive{border-radius:1rem;overflow:hidden;border:1px solid var(--brd);overflow-x:auto;margin-bottom:2rem;}

.title-section{margin-bottom:2rem;}
.title-section h1{font-size:clamp(1.4rem,3vw,2.2rem);font-weight:800;background:var(--h1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.power-range{background:var(--pill);padding:.35rem 1.1rem;border-radius:60px;font-size:1rem;font-weight:700;color:var(--pill-t);border:1px solid var(--pill-b);white-space:nowrap;-webkit-text-fill-color:var(--pill-t);}
@media(max-width:600px){.power-range{white-space:normal;word-break:break-word;text-align:center;font-size:.82rem;padding:.3rem .8rem;}}
.subhead{font-size:1rem;color:var(--txt2);margin-top:.6rem;font-weight:400;border-left:4px solid var(--info-b);padding:.4rem 1.2rem;background:var(--info);border-radius:0 8px 8px 0;width:fit-content;max-width:100%;}

.section-heading{margin:2.5rem 0 1.2rem;display:flex;align-items:center;gap:.8rem;flex-wrap:wrap;}
.section-heading h2{font-size:clamp(1.15rem,2vw,1.55rem);font-weight:700;color:var(--txt);letter-spacing:-.01em;}
.section-heading .sec-nr{font-family:'JetBrains Mono',monospace;font-size:.8rem;color:var(--info-b);background:var(--info);padding:.25rem .7rem;border-radius:30px;border:1px solid var(--pill-b);font-weight:600;}
.section-sub{font-size:.92rem;color:var(--txt3);margin-bottom:1rem;max-width:920px;line-height:1.6;}
.category{font-weight:700;color:var(--txt);font-size:.95rem;}
.usage{font-size:.9rem;color:var(--txt2);line-height:1.4;}

.stats-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:0;background:var(--card2);border:1px solid var(--brd);border-radius:1rem;overflow:hidden;margin-bottom:2rem;}
.stat-item{padding:1.1rem 1rem;text-align:center;border-right:1px solid var(--brd);}
.stat-item:last-child{border-right:none;}
.stat-num{font-size:1.7rem;font-weight:800;background:var(--h1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1;letter-spacing:-.02em;}
.stat-label{font-family:'JetBrains Mono',monospace;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--txt3);margin-top:.35rem;}

/* Connector SVG base styles */
.conn-svg{width:100%;height:100%;}
.conn-svg .c-body{fill:var(--conn-body);stroke:var(--conn-stroke);stroke-width:2;}
.conn-svg .c-ring{fill:none;stroke:var(--conn-ring);stroke-width:1.2;}
.conn-svg .c-pin{fill:var(--conn-pin);}
.conn-svg .c-pin-hole{fill:var(--conn-pin);stroke:#9ca3af;stroke-width:.5;}
.conn-svg .c-dc-pin{fill:#1f2937;}

/* Country matrix — hero grid */
.country-matrix{background:var(--card2);border:1px solid var(--brd);border-radius:1.5rem;padding:1.8rem 1.2rem;margin-bottom:2rem;overflow-x:auto;}
.matrix-inner{min-width:820px;display:grid;grid-template-columns:70px repeat(5,1fr);gap:.4rem;}
.matrix-header{text-align:center;padding:.8rem .5rem;font-weight:700;color:var(--txt);font-size:1rem;position:relative;}
.matrix-header .flag-emoji{font-size:1.6rem;display:block;margin-bottom:.3rem;}
.matrix-header small{font-size:.72rem;color:var(--txt3);font-style:italic;display:block;font-weight:500;margin-top:.15rem;letter-spacing:.02em;}
.matrix-row-lbl{display:flex;align-items:center;justify-content:center;font-family:'JetBrains Mono',monospace;font-weight:800;font-size:1.5rem;color:#fff;border-radius:12px;padding:.6rem;writing-mode:horizontal-tb;}
.matrix-row-lbl.ac{background:linear-gradient(135deg,#10b981,#047857);}
.matrix-row-lbl.dc{background:linear-gradient(135deg,#dc2626,#7f1d1d);}
.matrix-cell{background:var(--card);border:1px solid var(--brd);border-radius:12px;padding:1rem .6rem;text-align:center;transition:all .3s ease;position:relative;}
.matrix-cell:hover{transform:translateY(-4px);border-color:var(--info-b);box-shadow:0 10px 22px -6px rgba(59,130,246,.3);}
.matrix-cell .conn-viz{width:75px;height:75px;margin:0 auto .5rem;}
.matrix-cell .conn-name{font-size:.82rem;font-weight:700;color:var(--txt);line-height:1.2;}
.matrix-cell .conn-spec{font-family:'JetBrains Mono',monospace;font-size:.68rem;color:var(--txt3);margin-top:.2rem;letter-spacing:.04em;}

/* Connector detail cards */
.conn-detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.3rem;margin-bottom:2rem;}
.conn-card{background:var(--card2);border:1px solid var(--brd);border-radius:1.2rem;padding:1.5rem;transition:all .3s ease;position:relative;overflow:hidden;}
.conn-card::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;}
.conn-card.ac::before{background:linear-gradient(90deg,#10b981,#059669);}
.conn-card.dc::before{background:linear-gradient(90deg,#dc2626,#991b1b);}
.conn-card.combo::before{background:linear-gradient(90deg,#f97316,#3b82f6);}
.conn-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px -8px rgba(0,0,0,.2);border-color:var(--info-b);}
.conn-card-head{display:flex;align-items:center;gap:1rem;margin-bottom:1rem;}
.conn-big-svg{width:90px;height:90px;flex-shrink:0;background:var(--card);border-radius:14px;border:2px solid var(--brd2);padding:.5rem;}
.conn-card h3{font-size:1.1rem;font-weight:700;color:var(--txt);line-height:1.2;margin-bottom:.2rem;}
.conn-card h3 small{font-family:'JetBrains Mono',monospace;font-size:.7rem;color:var(--txt3);text-transform:uppercase;letter-spacing:.08em;display:block;margin-top:.2rem;font-weight:600;}
.conn-type-tag{display:inline-block;font-family:'JetBrains Mono',monospace;font-size:.68rem;font-weight:800;letter-spacing:.12em;padding:.2rem .6rem;border-radius:30px;margin-bottom:.5rem;}
.conn-type-tag.ac{background:var(--ok);color:var(--ok-t);border:1px solid var(--ok-b);}
.conn-type-tag.dc{background:var(--danger);color:var(--danger-t);border:1px solid var(--danger-b);}
.conn-type-tag.combo{background:var(--warn);color:var(--warn-t);border:1px solid var(--warn-b);}
.conn-card p{font-size:.88rem;color:var(--txt2);line-height:1.55;margin-bottom:.7rem;}
.conn-specs-grid{display:grid;grid-template-columns:1fr 1fr;gap:.4rem;margin-top:.9rem;padding-top:.9rem;border-top:1px dashed var(--brd2);}
.conn-spec-item{background:var(--card);padding:.5rem .7rem;border-radius:8px;border:1px solid var(--brd);}
.conn-spec-lbl{font-size:.65rem;color:var(--txt3);text-transform:uppercase;letter-spacing:.06em;font-weight:600;}
.conn-spec-val{font-size:.88rem;font-weight:700;color:var(--txt);margin-top:.15rem;font-family:'JetBrains Mono',monospace;}
.conn-regions{display:flex;flex-wrap:wrap;gap:.3rem;margin-top:.8rem;}
.region-chip{font-family:'JetBrains Mono',monospace;font-size:.72rem;font-weight:600;padding:.2rem .6rem;border-radius:20px;background:var(--info);color:var(--info-t);border:1px solid var(--info-b);}

/* AC vs DC explainer */
.acdc-wrap{display:grid;grid-template-columns:1fr 1fr;gap:1.3rem;margin-bottom:2rem;}
@media(max-width:700px){.acdc-wrap{grid-template-columns:1fr;}}
.acdc-card{background:var(--card2);border:2px solid var(--brd);border-radius:1.2rem;padding:1.5rem;position:relative;overflow:hidden;}
.acdc-card.ac{border-top:6px solid #10b981;}
.acdc-card.dc{border-top:6px solid #dc2626;}
.acdc-card h3{font-size:1.2rem;font-weight:800;margin-bottom:.3rem;}
.acdc-card.ac h3{color:#047857;}
.acdc-card.dc h3{color:#991b1b;}
.acdc-flow-svg{width:100%;height:120px;margin:1rem 0;background:var(--card);border-radius:10px;padding:.5rem;border:1px dashed var(--brd2);}
.acdc-points{display:flex;flex-direction:column;gap:.5rem;margin-top:.8rem;}
.acdc-point{display:flex;align-items:flex-start;gap:.6rem;font-size:.88rem;color:var(--txt2);line-height:1.5;}
.acdc-point::before{content:"▸";color:var(--info-b);font-weight:800;flex-shrink:0;font-size:1rem;line-height:1.5;}

/* Charging levels */
.levels-table td{vertical-align:top;}
.level-badge{font-family:'JetBrains Mono',monospace;font-weight:800;padding:.3rem .8rem;border-radius:30px;display:inline-block;font-size:.85rem;}
.level-1{background:#e0f2fe;color:#0369a1;border:1px solid #0ea5e9;}
.level-2{background:#dcfce7;color:#166534;border:1px solid #22c55e;}
.level-3{background:#fee2e2;color:#991b1b;border:1px solid #ef4444;}
.level-mcs{background:#fef3c7;color:#92400e;border:1px solid #f59e0b;}
[data-theme="dark"] .level-1{background:rgba(14,165,233,.15);color:#7dd3fc;border-color:#0ea5e9;}
[data-theme="dark"] .level-2{background:rgba(34,197,94,.15);color:#86efac;border-color:#22c55e;}
[data-theme="dark"] .level-3{background:rgba(239,68,68,.15);color:#fca5a5;border-color:#ef4444;}
[data-theme="dark"] .level-mcs{background:rgba(245,158,11,.15);color:#fcd34d;border-color:#f59e0b;}

/* Liquid cooling cable cutaway */
.cooling-wrap{background:linear-gradient(135deg,var(--card2) 0%,var(--info) 100%);border:1px solid var(--brd);border-radius:1.5rem;padding:2rem 1.5rem;margin-bottom:2rem;position:relative;overflow:hidden;}
.cooling-wrap::after{content:"";position:absolute;top:-40px;right:-40px;width:180px;height:180px;background:radial-gradient(circle,#3b82f6 0%,transparent 70%);opacity:.15;}
.cooling-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;align-items:center;position:relative;z-index:1;}
@media(max-width:800px){.cooling-grid{grid-template-columns:1fr;}}
.cooling-cable-svg{width:100%;height:auto;max-height:340px;display:block;}
.cooling-info h3{font-size:1.25rem;font-weight:700;color:var(--txt);margin-bottom:.7rem;}
.cooling-info p{font-size:.92rem;color:var(--txt2);line-height:1.65;margin-bottom:.7rem;}
.cooling-info p strong{color:var(--txt);}
.cooling-specs{display:grid;grid-template-columns:1fr 1fr;gap:.6rem;margin-top:1rem;padding-top:1rem;border-top:1px dashed var(--brd2);}
.cooling-spec{background:var(--card);padding:.7rem .9rem;border-radius:8px;border:1px solid var(--brd);}
.cooling-spec-lbl{font-size:.7rem;color:var(--txt3);text-transform:uppercase;letter-spacing:.06em;font-weight:600;}
.cooling-spec-val{font-size:1rem;font-weight:700;color:var(--info-b);margin-top:.2rem;font-family:'JetBrains Mono',monospace;}

/* Cross-section legend */
.cable-legend{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:.6rem;margin-top:1rem;}
.legend-chip{display:flex;align-items:center;gap:.6rem;padding:.5rem .8rem;background:var(--card);border-radius:8px;border:1px solid var(--brd);font-size:.82rem;color:var(--txt2);}
.legend-chip .legend-dot{width:16px;height:16px;border-radius:50%;border:1.5px solid var(--brd2);flex-shrink:0;}
.legend-chip strong{color:var(--txt);}

/* Architecture diagram: power cabinet vs dispenser */
.arch-wrap{background:var(--card2);border:1px solid var(--brd);border-radius:1.5rem;padding:2rem 1.5rem;margin-bottom:2rem;overflow-x:auto;}
.arch-inner{min-width:800px;display:grid;grid-template-columns:auto auto auto;gap:1rem;align-items:center;justify-content:center;}
.arch-node{text-align:center;padding:1rem;}
.arch-node-svg{width:160px;height:200px;margin:0 auto 1rem;display:block;}
.arch-node h4{font-size:1.05rem;font-weight:700;color:var(--txt);margin-bottom:.3rem;}
.arch-node p{font-size:.82rem;color:var(--txt2);line-height:1.5;max-width:220px;margin:0 auto;}
.arch-connector{display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:0 .5rem;}
.arch-connector-label{font-family:'JetBrains Mono',monospace;font-size:.75rem;color:var(--info-b);font-weight:700;letter-spacing:.08em;background:var(--info);padding:.35rem .8rem;border-radius:30px;border:1px solid var(--pill-b);white-space:nowrap;}
.arch-arrow-svg{width:80px;height:40px;}
.arch-arrow-svg path{stroke:var(--info-b);stroke-width:2.5;fill:none;stroke-linecap:round;stroke-linejoin:round;}

.arch-compare{display:grid;grid-template-columns:1fr 1fr;gap:1.3rem;margin-top:1.5rem;}
@media(max-width:700px){.arch-compare{grid-template-columns:1fr;}}
.arch-style-card{background:var(--card);border:2px solid var(--brd);border-radius:1rem;padding:1.3rem;}
.arch-style-card.split{border-color:#3b82f6;}
.arch-style-card.integrated{border-color:#f59e0b;}
.arch-style-card h4{font-size:1.05rem;font-weight:700;margin-bottom:.4rem;}
.arch-style-card.split h4{color:#1d4ed8;}
.arch-style-card.integrated h4{color:#b45309;}
.arch-style-card p{font-size:.85rem;color:var(--txt2);line-height:1.55;margin-bottom:.7rem;}
.arch-style-card ul{list-style:none;margin-top:.6rem;}
.arch-style-card li{font-size:.82rem;color:var(--txt2);padding:.3rem 0;display:flex;align-items:flex-start;gap:.5rem;line-height:1.4;}
.arch-style-card li::before{content:"✓";color:var(--ok-b);font-weight:800;flex-shrink:0;}

/* Examples grid for DC chargers */
.charger-examples{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem;margin-top:1.2rem;}
.charger-example{background:var(--card);border:1px solid var(--brd);border-radius:1rem;padding:1.2rem;text-align:center;transition:all .25s ease;}
.charger-example:hover{border-color:var(--info-b);transform:translateY(-3px);}
.charger-example-svg{width:110px;height:130px;margin:0 auto .8rem;display:block;}
.charger-example h5{font-size:.95rem;font-weight:700;color:var(--txt);margin-bottom:.3rem;}
.charger-example .ce-arch{font-family:'JetBrains Mono',monospace;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--info-b);background:var(--info);padding:.2rem .6rem;border-radius:20px;border:1px solid var(--pill-b);display:inline-block;margin-bottom:.5rem;}
.charger-example p{font-size:.82rem;color:var(--txt2);line-height:1.45;}

/* NACS transition timeline */
.timeline{position:relative;padding:1rem 0 1rem 2rem;margin-bottom:2rem;}
.timeline::before{content:"";position:absolute;left:.5rem;top:0;bottom:0;width:3px;background:linear-gradient(to bottom,#2c7be5,#0ea5e9);border-radius:3px;}
.timeline-item{position:relative;padding:.8rem 0 .8rem 1.2rem;}
.timeline-item::before{content:"";position:absolute;left:-1.8rem;top:1.2rem;width:14px;height:14px;border-radius:50%;background:var(--card);border:3px solid var(--info-b);box-shadow:0 0 0 4px var(--card);}
.timeline-year{font-family:'JetBrains Mono',monospace;font-weight:800;color:var(--info-b);font-size:.9rem;letter-spacing:.06em;}
.timeline-item h4{font-size:1rem;font-weight:700;color:var(--txt);margin:.2rem 0 .3rem;}
.timeline-item p{font-size:.88rem;color:var(--txt2);line-height:1.55;}

/* Future tech grid */
.future-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;margin-bottom:2rem;}
.future-card{background:var(--card2);border:1px solid var(--brd);border-left:4px solid var(--info-b);border-radius:1rem;padding:1.3rem;transition:all .25s ease;}
.future-card:hover{transform:translateY(-3px);box-shadow:0 10px 22px -8px rgba(0,0,0,.18);}
.future-card-head{display:flex;align-items:center;gap:.8rem;margin-bottom:.8rem;}
.future-icon{width:44px;height:44px;flex-shrink:0;background:var(--info);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;}
.future-card h4{font-size:1rem;font-weight:700;color:var(--txt);line-height:1.2;}
.future-card h4 small{font-family:'JetBrains Mono',monospace;font-size:.7rem;color:var(--txt3);text-transform:uppercase;letter-spacing:.08em;display:block;margin-top:.15rem;font-weight:600;}
.future-card p{font-size:.85rem;color:var(--txt2);line-height:1.5;}
.future-spec{display:inline-block;font-family:'JetBrains Mono',monospace;font-size:.72rem;font-weight:700;color:var(--pill-t);background:var(--pill);padding:.25rem .7rem;border-radius:30px;border:1px solid var(--pill-b);margin-top:.6rem;}

/* Insight box */
.insight-box{background:var(--info);border-left:4px solid var(--info-b);border-radius:10px;padding:1.1rem 1.3rem;margin-bottom:2rem;font-size:.92rem;color:var(--info-t);line-height:1.6;}
.insight-box strong{color:var(--txt);}
.insight-box code{font-family:'JetBrains Mono',monospace;background:var(--card);padding:.15rem .5rem;border-radius:5px;font-weight:700;color:var(--pill-t);border:1px solid var(--brd);}

/* Adapter grid */
.adapter-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:.9rem;margin-bottom:2rem;}
.adapter-card{background:var(--card2);border:1px solid var(--brd);border-radius:1rem;padding:1.2rem;transition:all .25s ease;}
.adapter-card:hover{border-color:var(--info-b);transform:translateY(-2px);}
.adapter-flow{display:flex;align-items:center;justify-content:center;gap:.4rem;margin-bottom:.7rem;font-size:.85rem;font-weight:700;color:var(--txt);}
.adapter-flow .from,.adapter-flow .to{background:var(--card);padding:.3rem .6rem;border-radius:8px;border:1px solid var(--brd);font-family:'JetBrains Mono',monospace;font-size:.78rem;}
.adapter-flow .arrow{color:var(--info-b);font-weight:800;}
.adapter-card h5{font-size:.88rem;font-weight:700;color:var(--txt);margin-bottom:.3rem;}
.adapter-card p{font-size:.8rem;color:var(--txt2);line-height:1.45;}

@media(max-width:900px){
  .stat-item{border-right:none;border-bottom:1px solid var(--brd);}
  .stat-item:last-child{border-bottom:none;}
}
@media(max-width:700px){
  .container{padding:1.5rem 1rem;}
  .title-section h1{font-size:1.6rem;}
  thead th,tbody td{padding:.65rem .7rem;font-size:.82rem;}
}