.ext-page{--ext-accent:var(--accent);overflow-x:hidden}

/* ---- HERO ---- */
.ext-hero{position:relative;width:100%;min-height:100vh;overflow:hidden;display:flex;flex-direction:column;background:#0a0a0a}
.ext-hero-grid{position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,0.015) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.015) 1px,transparent 1px);background-size:60px 60px}
.ext-hero-glow{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse 60% 50% at 50% 30%,color-mix(in srgb,var(--accent) 40%,transparent) 0%,transparent 60%)}
.ext-hero-container{position:relative;z-index:1;max-width:1200px;margin:0 auto;padding:100px 40px 40px;width:100%}
.ext-top-content{text-align:center;margin-bottom:32px}
.ext-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border:1px dashed color-mix(in srgb,var(--accent) 40%,transparent);border-radius:4px;margin-bottom:20px}
.ext-badge-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent);animation:extPulse 2s ease-in-out infinite}
.ext-badge-text{font-family:'Inter',sans-serif;font-size:11px;font-weight:600;letter-spacing:0.12em;color:var(--accent)}
.ext-h1{display:block;margin:0 0 16px}
.ext-h1-white{display:block;width:100%;font-family:'Inter',sans-serif;font-size:clamp(20px,5vw,48px);font-weight:800;color:#fff;line-height:1.15;overflow-wrap:break-word}
.ext-h1-accent{display:block;width:100%;font-family:'Inter',sans-serif;font-size:clamp(20px,5vw,48px);font-weight:800;line-height:1.15;background:linear-gradient(135deg,var(--accent),var(--accent-bright));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;overflow-wrap:break-word}
.ext-subtext{font-size:16px;color:var(--text-body);line-height:1.7;max-width:520px;margin:0 auto 24px}
.ext-cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.ext-cta-primary{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;background:var(--accent);color:#fff;font-weight:700;font-size:14px;border-radius:6px;text-decoration:none}
.ext-cta-secondary{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;background:transparent;color:#fff;font-weight:600;font-size:14px;border-radius:6px;text-decoration:none;border:1px solid rgba(255,255,255,0.2)}

/* ---- HOUSE SVG + ZONE PICKER ---- */
.ext-house-wrap{margin-bottom:24px}
.ext-house-svg{width:100%;height:auto;display:block}
.ext-zone-tabs{display:flex;justify-content:center;gap:8px;margin-top:16px;flex-wrap:wrap}
.ext-zone-tab{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border:1px solid rgba(255,255,255,0.1);border-radius:8px;cursor:pointer;outline:none;font-family:'Inter',sans-serif;font-size:14px;font-weight:600;color:rgba(255,255,255,0.6);transition:all 0.25s ease;background:transparent}
.ext-zone-tab.active{background:color-mix(in srgb,var(--accent) 12%,transparent);border-color:var(--ext-accent);color:#fff}
.ext-zone-tab-dot{width:16px;height:16px;border-radius:4px;border:2px solid rgba(255,255,255,0.2);transition:all 0.4s ease}
.ext-zone-tab.active .ext-zone-tab-dot{border-color:var(--ext-accent)}
.ext-zone-picker{display:flex;align-items:center;gap:16px;justify-content:center;margin-top:14px;flex-wrap:wrap}
.ext-zone-picker-label{font-family:'Inter',sans-serif;font-size:11px;font-weight:600;letter-spacing:0.12em;color:var(--accent)}
.ext-zone-colors{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.ext-color-btn{width:36px;height:36px;border-radius:8px;cursor:pointer;border:2px solid rgba(255,255,255,0.15);outline:none;padding:0;transition:all 0.3s cubic-bezier(0.16,1,0.3,1)}
.ext-color-btn.active{border-color:var(--ext-accent);transform:scale(1.15);box-shadow:0 0 12px color-mix(in srgb,var(--accent) 25%,transparent)}

/* ---- BRIDGE CTA ---- */
.ext-bridge-cta{margin-top:20px;padding:0 20px}
.ext-bridge-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 24px;background:color-mix(in srgb,var(--accent) 60%,transparent);border:1px dashed color-mix(in srgb,var(--accent) 25%,transparent);border-radius:10px;flex-wrap:wrap}
.ext-bridge-text{font-size:14px;line-height:1.5;flex:1;color:rgba(255,255,255,0.75)}
.ext-bridge-text strong{color:#fff}
.ext-bridge-btns{display:flex;gap:8px;flex-shrink:0;flex-wrap:wrap}
.ext-bridge-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;background:var(--ext-accent);color:#fff;font-weight:700;font-size:13px;border-radius:6px;text-decoration:none;white-space:nowrap;flex-shrink:0}
.ext-bridge-btn-alt{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;background:transparent;color:#fff;font-weight:600;font-size:13px;border-radius:6px;text-decoration:none;white-space:nowrap;flex-shrink:0;border:1px solid rgba(255,255,255,0.2)}

/* ---- SCHEME CARDS ---- */
.ext-schemes-wrap{margin-bottom:24px}
.ext-schemes-label{font-family:'Inter',sans-serif;font-size:10px;font-weight:600;letter-spacing:0.1em;color:var(--accent);text-align:center;margin-bottom:14px}
.ext-schemes-row{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.ext-scheme-card{padding:14px 16px;border-radius:10px;border:1px solid rgba(255,255,255,0.08);cursor:pointer;text-align:center;transition:all 0.25s ease;outline:none;display:flex;flex-direction:column;align-items:center;gap:8px;background:rgba(255,255,255,0.02);font-family:'Inter',sans-serif}
.ext-scheme-card.active{border-color:var(--ext-accent);background:color-mix(in srgb,var(--accent) 60%,transparent)}
.ext-mini-house{width:60px;height:40px;position:relative}
.ext-mini-roof{width:0;height:0;border-left:30px solid transparent;border-right:30px solid transparent;border-bottom:14px solid #4a4a4a}
.ext-mini-body{height:22px;border-radius:0 0 2px 2px;display:flex;align-items:center;justify-content:center;gap:3px;transition:background 0.4s;padding:0 4px}
.ext-mini-door{width:8px;height:14px;border-radius:1px;transition:background 0.4s}
.ext-mini-window{width:10px;height:8px;border-radius:1px;border:1.5px solid;transition:border-color 0.4s}
.ext-mini-trim{height:2px;border-radius:1px;transition:background 0.4s}
.ext-scheme-name{font-size:12px;font-weight:600;color:#fff;text-align:center;overflow-wrap:anywhere;line-height:1.25}
.ext-scheme-desc{font-size:10px;color:rgba(255,255,255,0.5);margin-top:-4px;text-align:center;overflow-wrap:anywhere;line-height:1.3}
.ext-scheme-swatches{display:flex;gap:4px}
.ext-scheme-swatch{width:14px;height:14px;border-radius:3px;border:1px solid rgba(255,255,255,0.15);transition:background 0.4s}

/* ---- TRUST BAR ---- */
.ext-trust-bar{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;padding:20px 0}
.ext-trust-stars{color:#facc15;font-size:14px;letter-spacing:2px}
.ext-trust-label{font-size:13px;font-weight:500;color:#fff}
.ext-trust-dot{color:rgba(255,255,255,0.3);font-size:13px}

/* ---- SECTION SHARED ---- */
.ext-section{width:100%;background:#0a0a0a;padding:80px 0 0}
.ext-section-inner{max-width:1200px;margin:0 auto;padding:0 40px}
.ext-section-badge{font-family:'Inter',sans-serif;font-size:11px;font-weight:600;letter-spacing:0.15em;color:var(--ext-accent);text-align:center;margin-bottom:16px}
.ext-section-title{font-family:'Inter',sans-serif;font-size:clamp(28px,3.5vw,42px);font-weight:800;color:#fff;text-align:center;margin:0 0 12px}
.ext-section-subtitle{font-size:16px;color:var(--text-body);text-align:center;margin:0 auto 40px;max-width:540px;line-height:1.6}
.ext-divider{border:none;border-top:1px solid rgba(255,255,255,0.06);margin:60px 0 0}

/* ---- INFO SECTION ---- */
.ext-info-tab-row{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-bottom:32px}
.ext-info-tab{display:inline-flex;align-items:center;gap:6px;padding:10px 16px;border:1px solid rgba(255,255,255,0.08);border-radius:8px;cursor:pointer;font-family:'Inter',sans-serif;font-size:13px;font-weight:600;color:rgba(255,255,255,0.55);transition:all 0.25s;outline:none;background:transparent}
.ext-info-tab.active{color:#fff}
.ext-info-tab-count{font-size:10px;font-weight:700;padding:2px 6px;border-radius:4px;font-family:'Inter',sans-serif}
.ext-info-grid{display:grid;grid-template-columns:340px 1fr;gap:24px;align-items:start}
.ext-info-left{display:flex;flex-direction:column;gap:14px;position:sticky;top:100px}
.ext-dark-card{background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.08);border-radius:12px;padding:22px}
.ext-card-badge{font-family:'Inter',sans-serif;font-size:11px;font-weight:600;letter-spacing:0.12em;margin-bottom:14px}
.ext-price-row{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border:1px solid rgba(255,255,255,0.08);border-radius:8px;margin-bottom:6px}
.ext-price-row.featured{background:rgba(255,255,255,0.02)}
.ext-price-label{font-size:14px;font-weight:700;color:#fff}
.ext-price-desc{font-size:12px;color:rgba(255,255,255,0.55);margin-top:2px}
.ext-price-value{font-size:14px;font-weight:700;white-space:nowrap}
.ext-diff-item{display:flex;gap:10px;align-items:center;margin-bottom:10px}
.ext-diff-check{font-size:14px;font-weight:700;flex-shrink:0}
.ext-diff-text{font-size:14px;color:#fff}
.ext-info-cta{display:flex;flex-direction:column;gap:8px;padding:18px;border:1px dashed;border-radius:12px}
.ext-info-panel{display:none}
.ext-info-panel.active{display:block}

/* Browser card */
.ext-browser-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 40px rgba(0,0,0,0.3);display:flex;flex-direction:column;border:1px solid}
.ext-browser-accent{height:3px}
.ext-browser-bar{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid #e5e5e5;background:#fafafa;flex-shrink:0}
.ext-browser-dots{display:flex;gap:6px}
.ext-browser-dot{width:10px;height:10px;border-radius:50%;display:block}
.ext-browser-url{font-family:'Inter',sans-serif;font-size:11px;color:#999;flex:1;text-align:center;transition:all 0.3s}
.ext-scroll-body{padding:32px;max-height:650px;overflow-y:auto;overflow-x:hidden;scrollbar-width:thin;scrollbar-color:rgba(0,0,0,0.15) transparent;position:relative;transition:opacity 0.2s}
.ext-b-brand{font-family:'Inter',sans-serif;font-size:11px;font-weight:600;letter-spacing:0.15em;margin-bottom:10px}
.ext-b-h3{font-size:26px;font-weight:700;color:#111;margin:0 0 12px;line-height:1.25}
.ext-b-intro{font-size:15px;color:#444;line-height:1.7;margin:0 0 20px}
.ext-b-cta-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:4px}
.ext-b-cta-primary{display:inline-block;padding:12px 24px;font-weight:700;font-size:14px;border-radius:6px;text-decoration:none}
.ext-b-cta-secondary{display:inline-block;padding:12px 24px;color:#444;font-weight:600;font-size:14px;border-radius:6px;text-decoration:none;border:1px solid #ddd}
.ext-b-h4{font-size:20px;font-weight:700;color:#111;margin:0 0 4px}
.ext-b-caption{font-size:13px;font-weight:600;margin:0 0 14px;line-height:1.4}
.ext-b-content{display:flex;flex-direction:column;gap:12px}
.ext-b-p{font-size:15px;color:#444;line-height:1.7;margin:0}
.ext-b-bold{color:#111}
.ext-b-divider{border:none;border-top:1px solid #eee;margin:24px 0 0}
.ext-browser-footer{display:flex;align-items:center;justify-content:center;gap:6px;padding:10px;border-top:1px solid #eee;background:#fafafa;flex-shrink:0}
.ext-scroll-hint{font-family:'Inter',sans-serif;font-size:11px;color:#bbb}
.ext-scroll-arrow{font-size:12px;color:#bbb}

/* ---- PROCESS SECTION ---- */
.ext-process-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.ext-timeline{display:flex;flex-direction:column;gap:0;position:relative}
.ext-timeline-row{position:relative}
.ext-connector{width:2px;height:12px;margin-left:28px}
.ext-node{display:flex;align-items:flex-start;gap:14px;width:100%;padding:18px 20px;border:1.5px dashed rgba(255,255,255,0.1);border-radius:12px;cursor:pointer;transition:all 0.3s cubic-bezier(0.16,1,0.3,1);background:transparent;outline:none;font-family:'Inter',sans-serif;text-align:left}
.ext-node.active{border-style:solid}
.ext-node-left{display:flex;flex-direction:column;align-items:center;gap:4px;flex-shrink:0;width:36px}
.ext-node-phase{font-family:'Inter',sans-serif;font-size:11px;font-weight:700}
.ext-node-icon{font-size:20px}
.ext-node-content{flex:1;min-width:0}
.ext-node-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:2px}
.ext-node-time{font-size:12px;font-weight:600;font-family:'Inter',sans-serif;margin-bottom:6px}
.ext-node-preview{font-size:13px;color:rgba(255,255,255,0.65);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ext-node-arrow{font-size:22px;font-weight:300;flex-shrink:0;transition:all 0.3s;margin-top:2px;color:rgba(255,255,255,0.3)}
.ext-node.active .ext-node-arrow{transform:rotate(90deg)}

/* Weather card */
.ext-weather-card{display:flex;gap:14px;align-items:flex-start;padding:18px 20px;border:1px dashed color-mix(in srgb,var(--accent-bright) 25%,transparent);border-radius:12px;background:color-mix(in srgb,var(--accent-bright) 40%,transparent);margin-top:12px}
.ext-weather-icon{font-size:24px;flex-shrink:0}
.ext-weather-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:4px}
.ext-weather-text{font-size:13px;color:rgba(255,255,255,0.75);line-height:1.6}

/* Detail panel */
.ext-detail-col{position:sticky;top:100px}
.ext-detail-card{border:1px solid rgba(255,255,255,0.08);border-radius:16px;overflow:hidden;background:rgba(255,255,255,0.02);animation:extDetailIn 0.4s cubic-bezier(0.16,1,0.3,1);position:relative;display:none}
.ext-detail-card.active{display:block}
.ext-detail-accent{width:3px;position:absolute;top:0;bottom:0;left:0;border-radius:16px 0 0 16px}
.ext-detail-inner{padding:28px 28px 28px 32px;position:relative}
.ext-detail-tag{font-family:'Inter',sans-serif;font-size:11px;font-weight:600;letter-spacing:0.08em;margin-bottom:14px}
.ext-detail-h3{font-size:20px;font-weight:700;color:#fff;margin:0 0 12px}
.ext-detail-text{font-size:15px;color:rgba(255,255,255,0.85);line-height:1.75;margin:0 0 20px}
.ext-callout{display:flex;align-items:center;gap:12px;padding:14px 18px;border:1px dashed;border-radius:10px;margin-bottom:20px}
.ext-callout-arrow{font-size:18px;font-weight:700;flex-shrink:0}
.ext-callout-text{font-size:14px;font-weight:600;color:#fff}
.ext-task-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:20px}
.ext-task-card{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid rgba(255,255,255,0.06);border-radius:6px;background:rgba(255,255,255,0.02)}
.ext-task-num{font-family:'Inter',sans-serif;font-size:11px;font-weight:700;flex-shrink:0}
.ext-task-text{font-size:13px;font-weight:500;color:#fff}

/* Packages */
.ext-packages-wrap{margin-bottom:20px}
.ext-packages-label{font-family:'Inter',sans-serif;font-size:10px;font-weight:600;letter-spacing:0.12em;color:var(--ext-accent);margin-bottom:12px}
.ext-packages-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}
.ext-package-card{padding:16px 14px;border:1px solid rgba(255,255,255,0.08);border-radius:10px;display:flex;flex-direction:column;gap:6px;position:relative;overflow:hidden}
.ext-package-card.recommended{background:rgba(255,255,255,0.02)}
.ext-recommended-badge{position:absolute;top:0;right:0;font-size:8px;font-weight:700;letter-spacing:0.1em;padding:4px 8px;border-radius:0 9px 0 6px;color:#0a0a0a;font-family:'Inter',sans-serif}
.ext-pkg-tier{font-size:10px;font-weight:700;font-family:'Inter',sans-serif;letter-spacing:0.08em}
.ext-pkg-name{font-size:15px;font-weight:700;color:#fff}
.ext-pkg-lifespan{font-size:12px;font-weight:600;font-family:'Inter',sans-serif}
.ext-pkg-features{display:flex;flex-direction:column;gap:4px;margin-top:4px}
.ext-pkg-feature{display:flex;gap:6px;font-size:11px;color:rgba(255,255,255,0.75);line-height:1.4}
.ext-pkg-check{font-size:11px;font-weight:700;flex-shrink:0}

/* Detail CTAs */
.ext-detail-ctas{display:flex;gap:10px;flex-wrap:wrap}

/* Empty state */
.ext-empty-state{padding:40px 32px;border:1px dashed rgba(255,255,255,0.1);border-radius:16px;text-align:center;background:rgba(255,255,255,0.015)}
.ext-empty-icon{font-size:28px;color:rgba(255,255,255,0.2);margin-bottom:12px}
.ext-empty-title{font-size:18px;font-weight:700;color:#fff;margin-bottom:8px}
.ext-empty-text{font-size:14px;color:rgba(255,255,255,0.6);line-height:1.6;max-width:360px;margin:0 auto 24px}
.ext-empty-stats{display:flex;justify-content:center;gap:24px}
.ext-empty-stat{text-align:center}
.ext-empty-stat-val{font-size:20px;font-weight:800;line-height:1}
.ext-empty-stat-label{font-size:11px;font-weight:600;color:#fff;margin-top:4px;text-transform:uppercase;letter-spacing:0.04em}

/* Bottom CTA */
.ext-bottom-cta{text-align:center;margin-top:40px}
.ext-bottom-cta-text{font-size:16px;color:#fff;margin-bottom:16px}
.ext-bottom-cta-row{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}

/* ---- FAQ SECTION ---- */
.ext-faq-scroll{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding:4px 0 16px;-webkit-overflow-scrolling:touch}
.ext-faq-scroll::-webkit-scrollbar{display:none}
.ext-faq-card{flex:0 0 290px;scroll-snap-align:start;padding:24px;background:rgba(255,255,255,0.03);border:1px solid color-mix(in srgb,var(--accent) 20%,transparent);border-radius:14px;cursor:pointer;transition:all 0.25s ease;display:flex;flex-direction:column;gap:8px;min-height:180px}
.ext-faq-card:hover{border-color:color-mix(in srgb,var(--accent) 40%,transparent);background:color-mix(in srgb,var(--accent) 40%,transparent)}
.ext-faq-card-head{display:flex;justify-content:space-between;align-items:center}
.ext-faq-card-cat{font-family:'Inter',sans-serif;font-size:10px;font-weight:600;letter-spacing:0.12em;color:var(--ext-accent)}
.ext-faq-card-toggle{width:28px;height:28px;border-radius:50%;background:color-mix(in srgb,var(--accent) 15%,transparent);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);color:var(--ext-accent);font-size:16px;font-weight:400;cursor:pointer;display:flex;align-items:center;justify-content:center;outline:none}
.ext-faq-card-q{font-size:17px;font-weight:700;color:#fff;margin:0;line-height:1.35;flex:1}
.ext-faq-card-preview{font-size:14px;color:rgba(255,255,255,0.6);line-height:1.5;margin:0}
.ext-faq-arrows{display:flex;justify-content:center;gap:12px;margin-top:8px}
.ext-faq-arrow{width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,0.12);background:rgba(255,255,255,0.04);cursor:pointer;display:flex;align-items:center;justify-content:center;outline:none;transition:all 0.2s}
.ext-faq-arrow:hover{background:rgba(255,255,255,0.08)}

/* FAQ Modal */
.ext-faq-modal{position:fixed;inset:0;background:rgba(0,0,0,0.7);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:1000;display:none;align-items:center;justify-content:center;padding:20px}
.ext-faq-modal.open{display:flex}
.ext-faq-modal-content{width:100%;max-width:640px;background:rgba(15,15,15,0.97);border:1px solid color-mix(in srgb,var(--accent) 20%,transparent);border-radius:18px;padding:32px;animation:extFaqIn 0.3s cubic-bezier(0.16,1,0.3,1);max-height:85vh;overflow-y:auto;position:relative}
.ext-faq-modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.ext-faq-modal-close{width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,0.06);border:none;color:#fff;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;outline:none}
.ext-faq-modal-q{font-size:24px;font-weight:700;color:#fff;margin:0 0 16px;line-height:1.3}
.ext-faq-modal-a{font-size:16px;color:rgba(255,255,255,0.9);line-height:1.75;margin:0 0 24px}
.ext-faq-tip{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;background:color-mix(in srgb,var(--accent) 60%,transparent);border:1px solid color-mix(in srgb,var(--accent) 20%,transparent);border-radius:10px;margin-bottom:24px}
.ext-faq-tip-label{font-family:'Inter',sans-serif;font-size:11px;font-weight:700;letter-spacing:0.08em;color:var(--ext-accent);flex-shrink:0;margin-top:2px}
.ext-faq-tip-text{font-size:15px;color:rgba(255,255,255,0.85);line-height:1.6}
.ext-faq-modal-ctas{display:flex;gap:12px;flex-wrap:wrap}
.ext-faq-bottom{text-align:center;margin-top:32px}
.ext-faq-bottom p{font-size:16px;color:#fff;margin:0 0 16px}
.ext-faq-bottom-row{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}

/* ---- DOS & DONTS ---- */
.ext-dd-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.ext-dd-col{display:flex;flex-direction:column}
.ext-dd-col-header{margin-bottom:20px;overflow:hidden;border-radius:12px 12px 0 0}
.ext-dd-accent-bar{height:4px;border-radius:2px 2px 0 0}
.ext-dd-header-inner{display:flex;align-items:center;gap:10px;padding:16px 20px 4px}
.ext-dd-col-icon{font-size:20px;font-weight:700}
.ext-dd-col-title{font-size:22px;font-weight:800}
.ext-dd-col-sub{font-size:14px;color:rgba(255,255,255,0.6);padding:0 20px 12px}
.ext-dd-card-list{display:flex;flex-direction:column;gap:10px}
.ext-dd-card{padding:18px 20px;background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.07);border-radius:10px}
.ext-dd-card-top{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.ext-dd-card-icon{width:28px;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;border:1px solid;flex-shrink:0}
.ext-dd-card-title{font-size:15px;font-weight:700;color:#fff;margin:0;line-height:1.3}
.ext-dd-card-detail{font-size:14px;color:rgba(255,255,255,0.75);line-height:1.65;margin:0;padding-left:40px}
.ext-dd-bottom{margin-top:36px;border:1px dashed color-mix(in srgb,var(--accent) 25%,transparent);border-radius:14px;background:color-mix(in srgb,var(--accent) 30%,transparent);overflow:hidden}
.ext-dd-bottom-inner{display:flex;align-items:center;gap:32px;padding:28px 32px}
.ext-dd-bottom-left{flex:1}
.ext-dd-bottom-badge{font-family:'Inter',sans-serif;font-size:11px;font-weight:600;letter-spacing:0.12em;color:var(--ext-accent);margin-bottom:10px}
.ext-dd-bottom-text{font-size:15px;color:#fff;line-height:1.7;margin:0}
.ext-dd-bottom-right{display:flex;flex-direction:column;gap:10px;flex-shrink:0}

/* ---- ANIMATIONS ---- */
@keyframes extPulse{0%,100%{opacity:0.5}50%{opacity:1}}
@keyframes extDetailIn{from{opacity:0;transform:translateX(12px)}to{opacity:1;transform:translateX(0)}}
@keyframes extFaqIn{from{opacity:0;transform:translateY(20px) scale(0.97)}to{opacity:1;transform:translateY(0) scale(1)}}

/* ---- MOBILE ---- */
@media(max-width:1024px){
  .ext-schemes-row{grid-template-columns:repeat(4,1fr);gap:8px}
  .ext-process-grid{grid-template-columns:1fr}
  .ext-detail-col{position:static}
}
@media(max-width:768px){
  .ext-hero-container{padding:72px 16px 24px}
  .ext-section{padding:56px 0 0}
  .ext-subtext{font-size:15px}
  .ext-cta-primary,.ext-cta-secondary{padding:12px 20px;font-size:13px}
  .ext-zone-tab{padding:8px 12px;font-size:12px;gap:6px}
  .ext-zone-tab-dot{width:14px;height:14px}
  .ext-schemes-row{grid-template-columns:repeat(2,1fr);gap:8px}
  .ext-scheme-card{padding:12px 10px;gap:6px}
  .ext-mini-house{width:52px;height:36px}
  .ext-mini-roof{border-left-width:26px;border-right-width:26px;border-bottom-width:12px}
  .ext-mini-body{height:20px}
  .ext-trust-bar{gap:6px;padding:16px 0;font-size:12px}
  .ext-trust-label{font-size:12px}
  .ext-trust-stars{font-size:13px;letter-spacing:1px}
  .ext-bridge-inner{flex-direction:column;text-align:center;padding:14px 16px}
  .ext-bridge-btns{justify-content:center;width:100%}
  .ext-bridge-btn,.ext-bridge-btn-alt{flex:1;justify-content:center;min-width:0}
  .ext-info-grid{grid-template-columns:1fr}
  .ext-info-left{position:static}
  .ext-info-tab{padding:8px 12px;font-size:12px}
  .ext-process-grid{grid-template-columns:1fr}
  .ext-detail-col{position:static}
  .ext-detail-inner{padding:22px 20px 22px 24px}
  .ext-task-grid{grid-template-columns:1fr}
  .ext-packages-grid{grid-template-columns:1fr}
  .ext-dd-grid{grid-template-columns:1fr}
  .ext-dd-bottom-inner{flex-direction:column;text-align:center;padding:24px 20px;gap:20px}
  .ext-dd-bottom-right{width:100%}
  .ext-faq-card{flex:0 0 260px;min-height:160px;padding:20px}
  .ext-faq-modal-content{padding:24px}
  .ext-empty-stats{flex-direction:column;gap:16px}
  .ext-section-inner{padding:0 16px}
  .ext-section-title{font-size:clamp(22px,6vw,32px)}
}