:root{--bg-primary: #f8fafc;--bg-surface: #ffffff;--bg-surface-elevated: #ffffff;--bg-surface-subtle: #f1f5f9;--bg-surface-hover: #e2e8f0;--border-subtle: #e2e8f0;--border-medium: #cbd5e1;--border-strong: #94a3b8;--border-focus: #f59e0b;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #64748b;--text-inverse: #ffffff;--brand-primary: #1e293b;--brand-secondary: #334155;--brand-accent: #dc2626;--brand-accent-hover: #b91c1c;--brand-accent-subtle: #fee2e2;--brand-orange: #ea580c;--brand-blue: #0284c7;--brand-blue-subtle: #e0f2fe;--brand-success: #16a34a;--brand-success-subtle: #dcfce7;--brand-danger: #dc2626;--brand-danger-subtle: #fee2e2;--concrete-light: #e5e7eb;--concrete-slate: #2b2d42;--concrete-rebar: #64748b;--concrete-mortar: #9ca3af;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 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70%);pointer-events:none}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0;max-width:100%}html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%;width:100%;max-width:100vw;overflow-x:hidden!important}body,#root{width:100%;max-width:100vw;min-height:100vh;overflow-x:hidden!important}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color var(--transition-normal),color var(--transition-normal)}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);color:var(--text-primary);font-weight:800;line-height:1.2;letter-spacing:-.02em;word-break:break-word}h1{font-size:clamp(2.2rem,5vw,3.8rem)}h2{font-size:clamp(1.8rem,3.5vw,2.6rem)}h3{font-size:clamp(1.3rem,2.5vw,1.8rem)}h4{font-size:1.25rem;font-weight:700}p{color:var(--text-secondary);font-size:1rem;line-height:1.7;word-break:break-word}a{color:inherit;text-decoration:none;transition:color 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var(--border-medium)}.card-industrial{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);transition:all var(--transition-normal);position:relative;overflow:hidden}.card-industrial:hover{border-color:var(--border-strong);box-shadow:var(--shadow-xl);transform:translateY(-4px)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--brand-accent)}.top-ticker{background:#0f172a;color:#94a3b8;font-size:.8rem;padding:.45rem 0;border-bottom:1px solid #1e293b}.top-ticker-content{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.ticker-left,.ticker-right{display:flex;align-items:center;gap:1.25rem}.ticker-item{display:inline-flex;align-items:center;gap:.4rem;font-weight:500}.ticker-item a:hover{color:var(--brand-accent)}.ticker-highlight{color:var(--brand-accent);font-weight:700}@media(max-width:768px){.hide-mobile{display:none!important}}.main-header{position:sticky;top:0;z-index:100;background:var(--bg-surface);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-subtle);transition:all var(--transition-normal)}.navbar{display:flex;align-items:center;justify-content:space-between;height:76px}.brand-logo{display:flex;align-items:center;gap:.75rem;font-family:var(--font-display);font-weight:900;font-size:1.45rem;color:var(--text-primary);letter-spacing:-.03em}.logo-icon-wrap{width:44px;height:44px;background:#1e293b;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:var(--brand-accent);border:1px solid var(--border-medium);box-shadow:var(--shadow-sm)}.brand-logo-text span{color:var(--brand-accent)}.brand-logo-subtitle{display:block;font-size:.65rem;font-family:var(--font-mono);color:var(--text-muted);font-weight:600;letter-spacing:.1em;text-transform:uppercase;margin-top:-2px}.nav-links{display:flex;align-items:center;gap:1.75rem;list-style:none}.nav-link{font-weight:600;font-size:.925rem;color:var(--text-secondary);position:relative;padding:.5rem 0;transition:color var(--transition-fast)}.nav-link:hover,.nav-link.active{color:var(--brand-accent)}.nav-link.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:2px;background:var(--brand-accent);border-radius:2px}.nav-actions{display:flex;align-items:center;gap:.75rem}.theme-toggle-btn,.lang-toggle-btn{width:38px;height:38px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:var(--text-secondary);border:1px solid var(--border-subtle);background:var(--bg-surface-subtle);transition:all 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.text-accent{color:var(--brand-accent)}.hero-desc{font-size:1.15rem;line-height:1.75;margin-bottom:2rem;max-width:620px}.hero-cta-group{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;margin-bottom:2.5rem}.hero-trust-badges{display:flex;align-items:center;gap:1.5rem;padding-top:1.5rem;border-top:1px solid var(--border-subtle);flex-wrap:wrap}.trust-item{display:flex;align-items:center;gap:.5rem;font-size:.85rem;font-weight:600;color:var(--text-secondary)}.trust-icon{color:var(--brand-success)}.hero-visual-card{background:var(--bg-surface-elevated);border:1px solid var(--border-medium);border-radius:var(--radius-xl);padding:1.5rem;box-shadow:var(--shadow-xl);position:relative}.hero-visual-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem;padding-bottom:.75rem;border-bottom:1px solid var(--border-subtle)}.hero-visual-title{font-size:.95rem;font-weight:700;display:flex;align-items:center;gap:.5rem}.canvas-container{width:100%;height:280px;background:#0f172a;border-radius:var(--radius-md);position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}.visualizer-canvas{width:100%;height:100%;display:block}.hero-visual-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem;margin-top:1rem}.meta-box{background:var(--bg-surface-subtle);padding:.65rem;border-radius:var(--radius-sm);border:1px solid var(--border-subtle);text-align:center}.meta-box-label{font-size:.7rem;color:var(--text-muted);text-transform:uppercase;font-weight:700;display:block}.meta-box-value{font-size:.95rem;font-family:var(--font-mono);font-weight:700;color:var(--text-primary)}.stats-bar-section{background:#1e293b;color:#fff;padding:3rem 0;border-bottom:1px solid #334155}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem}@media(max-width:900px){.stats-grid{grid-template-columns:repeat(2,1fr);gap:1.5rem}}@media(max-width:540px){.stats-grid{grid-template-columns:1fr}}.stat-item{display:flex;align-items:center;gap:1.25rem;padding:1rem;border-left:3px solid var(--brand-accent)}.stat-icon{width:48px;height:48px;background:#f59e0b26;color:var(--brand-accent);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;flex-shrink:0}.stat-number{font-family:var(--font-display);font-size:2rem;font-weight:800;line-height:1;color:#fff;margin-bottom:.25rem}.stat-label{font-size:.85rem;color:#94a3b8;font-weight:500}.category-tabs{display:flex;align-items:center;justify-content:center;gap:.5rem;flex-wrap:wrap;margin-bottom:2.5rem}.category-tab{padding:.65rem 1.25rem;border-radius:var(--radius-full);font-size:.9rem;font-weight:600;background:var(--bg-surface);color:var(--text-secondary);border:1px solid var(--border-medium);display:flex;align-items:center;gap:.5rem;transition:all var(--transition-fast)}.category-tab:hover{background:var(--bg-surface-hover);color:var(--text-primary)}.category-tab.active{background:var(--brand-accent);color:#0f172a;border-color:var(--brand-accent);font-weight:700;box-shadow:var(--shadow-accent)}.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:2rem}.product-card{display:flex;flex-direction:column;height:100%}.product-card-img-wrap{height:200px;background:#131d31;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;border-bottom:1px solid 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.9fr;gap:2.5rem;align-items:start}@media(max-width:992px){.tool-grid{grid-template-columns:1fr}}.tool-controls-card{background:var(--bg-surface);border:1px solid var(--border-medium);border-radius:var(--radius-lg);padding:2rem;box-shadow:var(--shadow-lg)}.control-group{margin-bottom:1.5rem}.control-label{display:flex;justify-content:space-between;font-weight:700;font-size:.9rem;margin-bottom:.5rem}.control-label-value{font-family:var(--font-mono);color:var(--brand-accent)}.range-slider{width:100%;height:6px;border-radius:3px;background:var(--border-medium);outline:none;accent-color:var(--brand-accent);cursor:pointer}.tool-preview-card{background:var(--bg-surface-elevated);border:1px solid var(--border-medium);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-lg)}.calculation-results-panel{margin-top:1.5rem;padding:1.25rem;background:#0f172a;border-radius:var(--radius-md);border:1px solid #1e293b;color:#fff}.calc-row{display:flex;justify-content:space-between;align-items:center;padding:.5rem 0;border-bottom:1px solid #1e293b;font-size:.9rem}.calc-row:last-child{border-bottom:none}.calc-val-highlight{font-family:var(--font-mono);font-size:1.2rem;font-weight:800;color:var(--brand-accent)}.quote-wizard-card{background:var(--bg-surface);border:1px solid var(--border-medium);border-radius:var(--radius-xl);padding:2.5rem;box-shadow:var(--shadow-xl);max-width:900px;margin:0 auto}@media(max-width:640px){.quote-wizard-card{padding:1.5rem}}.wizard-steps-indicator{display:flex;align-items:center;justify-content:space-between;margin-bottom:2.5rem;position:relative}.wizard-steps-indicator:before{content:"";position:absolute;top:18px;left:30px;right:30px;height:2px;background:var(--border-subtle);z-index:1}.wizard-step-node{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:.5rem;background:var(--bg-surface);padding:0 .5rem}.step-circle{width:36px;height:36px;border-radius:var(--radius-full);background:var(--bg-surface-subtle);border:2px solid var(--border-medium);color:var(--text-muted);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;transition:all var(--transition-normal)}.wizard-step-node.active .step-circle{background:var(--brand-accent);color:#0f172a;border-color:var(--brand-accent);box-shadow:var(--shadow-accent)}.wizard-step-node.completed .step-circle{background:var(--brand-success);color:#fff;border-color:var(--brand-success)}.step-label{font-size:.75rem;font-weight:700;color:var(--text-muted);text-transform:uppercase}.wizard-step-node.active .step-label{color:var(--text-primary)}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.25rem}@media(max-width:640px){.form-grid{grid-template-columns:1fr}}.form-group{display:flex;flex-direction:column;gap:.4rem}.form-group.full-width{grid-column:1 / 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var(--transition-normal);display:flex;flex-direction:column;align-items:center;gap:.75rem}.blueprint-dropzone:hover,.blueprint-dropzone.dragover{border-color:var(--brand-accent);background:var(--brand-accent-subtle)}.dropzone-icon{width:52px;height:52px;border-radius:var(--radius-full);background:var(--bg-surface-elevated);display:flex;align-items:center;justify-content:center;color:var(--brand-accent);box-shadow:var(--shadow-sm)}.uploaded-files-list{display:flex;flex-direction:column;gap:.75rem;margin-top:1rem}.uploaded-file-item{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem;background:var(--bg-surface);border:1px solid var(--border-medium);border-radius:var(--radius-md);font-size:.85rem}.turnstile-widget{background:var(--bg-surface-subtle);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:.75rem 1rem;display:flex;align-items:center;justify-content:space-between;margin-top:1.25rem}.turnstile-left{display:flex;align-items:center;gap:.75rem}.turnstile-checkbox{width:24px;height:24px;border-radius:var(--radius-xs);border:2px solid var(--border-strong);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-fast)}.turnstile-checkbox.verified{background:var(--brand-success);border-color:var(--brand-success);color:#fff}.turnstile-text{font-size:.85rem;font-weight:600}.turnstile-badge{font-size:.7rem;color:var(--text-muted);display:flex;align-items:center;gap:.25rem}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:300;display:flex;align-items:center;justify-content:center;padding:1.5rem;overflow-y:auto}.modal-card{background:var(--bg-surface);border:1px solid var(--border-medium);border-radius:var(--radius-xl);width:100%;max-width:800px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-xl);position:relative}.modal-header{padding:1.5rem 2rem;border-bottom:1px solid var(--border-subtle);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;background:var(--bg-surface);z-index:10}.modal-body{padding:2rem}.toast-container{position:fixed;bottom:2rem;right:2rem;z-index:400;display:flex;flex-direction:column;gap:.75rem;pointer-events:none}.toast{background:#1e293b;color:#fff;padding:.85rem 1.25rem;border-radius:var(--radius-md);box-shadow:var(--shadow-xl);display:flex;align-items:center;gap:.75rem;font-size:.9rem;font-weight:500;border-left:4px solid var(--brand-accent);pointer-events:auto;animation:fadeIn .3s ease-out}.toast.success{border-color:var(--brand-success)}.toast.error{border-color:var(--brand-danger)}.main-footer{background:#0f172a;color:#94a3b8;padding-top:4.5rem;border-top:1px solid #1e293b}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:3rem;padding-bottom:3.5rem;border-bottom:1px solid #1e293b}@media(max-width:1024px){.footer-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.footer-grid{grid-template-columns:1fr}}.footer-title{color:#fff;font-size:1.05rem;margin-bottom:1.25rem;font-weight:700}.footer-links{list-style:none;display:flex;flex-direction:column;gap:.75rem;font-size:.9rem}.footer-link:hover{color:var(--brand-accent)}.footer-bottom{padding:1.5rem 0;display:flex;justify-content:space-between;align-items:center;font-size:.8rem;flex-wrap:wrap;gap:1rem}@media(max-width:600px){.floating-btn-label{display:none}}.table-row-hover:hover{background-color:color-mix(in srgb,var(--brand-primary) 4%,transparent)!important}.form-textarea{width:100%;padding:.75rem 1rem;border:1px solid var(--border-medium);border-radius:var(--radius-md);background:var(--bg-surface);color:var(--text-primary);font-size:.9rem;font-family:inherit;resize:vertical;transition:border-color .15s ease;box-sizing:border-box}.form-textarea:focus{outline:none;border-color:var(--brand-primary);box-shadow:0 0 0 3px #dc26261f}