.email-signature-showcase{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#0a0a0a;color:#fff;min-height:100vh;margin:0;padding:0;line-height:1.6;overflow-x:hidden}.email-signature-showcase{--primary: #9370db;--secondary: #00ffff;--accent: #ff6b6b;--text-primary: #ffffff;--text-secondary: #b3b3b3;--text-muted: #888;--bg-dark: #0a0a0a;--bg-card: #1a1a1a;--bg-hover: #252525;--border: #333;--border-light: #444;--gradient: linear-gradient(135deg, #9370db 0%, #00ffff 100%);--shadow: 0 8px 32px rgba(0, 0, 0, .3);--shadow-hover: 0 16px 64px rgba(147, 112, 219, .2)}.email-signature-header{background:linear-gradient(180deg,#1a1a1a 0%,#111 100%);border-bottom:1px solid var(--border);padding:30px 0;position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.email-header-content{max-width:1400px;margin:0 auto;padding:0 40px;display:flex;justify-content:space-between;align-items:center}.email-logo-section{display:flex;align-items:center;gap:20px}.email-header-logo{width:50px;height:50px;border-radius:12px;box-shadow:0 4px 16px #9370db4d}.email-brand-info h1{font-size:1.8rem;font-weight:700;background:var(--gradient);-webkit-background-clip:text;background-clip:text;color:transparent;margin:0}.email-brand-info p{color:var(--text-secondary);margin:0;font-size:.9rem}.email-header-actions{display:flex;gap:20px;align-items:center}.email-nav-link{background:rgba(0,255,255,.1);color:#0ff;text-decoration:none;padding:10px 18px;border:1px solid rgba(0,255,255,.3);border-radius:8px;font-weight:600;transition:all .3s ease;font-size:.95rem}.email-nav-link:hover{background:rgba(0,255,255,.2);border-color:#0ff;transform:translateY(-1px);color:#0ff}.email-signature-hero{padding:80px 40px;text-align:center;background:radial-gradient(ellipse at center,rgba(147,112,219,.1) 0%,transparent 70%)}.email-hero-content{max-width:800px;margin:0 auto}.email-hero-badge{display:inline-block;background:rgba(147,112,219,.2);color:var(--primary);padding:8px 24px;border-radius:30px;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:2px;margin-bottom:30px;border:1px solid var(--primary)}.email-signature-hero h2{font-size:3.5rem;font-weight:700;margin-bottom:20px;background:var(--gradient);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.3}.email-signature-hero p{font-size:1.3rem;color:var(--text-secondary);line-height:1.6;margin:0}.signature-category-nav{padding:40px 0;background:var(--bg-card);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.signature-category-tabs{max-width:1400px;margin:0 auto;padding:0 40px;display:grid;grid-template-columns:repeat(6,1fr);gap:20px}.signature-category-tab{background:var(--bg-dark);border:2px solid var(--border);border-radius:16px;padding:24px 16px;cursor:pointer;transition:all .4s ease;display:flex;flex-direction:column;align-items:center;gap:12px;position:relative;overflow:hidden}.signature-category-tab:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient);transform:translate(-100%);transition:transform .4s ease}.signature-category-tab:hover{border-color:var(--primary);transform:translateY(-4px);box-shadow:var(--shadow-hover)}.signature-category-tab:hover:before{transform:translate(0)}.signature-category-tab.active{background:linear-gradient(135deg,rgba(147,112,219,.15) 0%,rgba(0,255,255,.05) 100%);border-color:var(--primary);transform:translateY(-4px);box-shadow:var(--shadow-hover)}.signature-category-tab.active:before{transform:translate(0)}.signature-tab-icon{font-size:2.5rem;line-height:1}.signature-tab-text{text-align:center;display:flex;flex-direction:column;gap:4px}.signature-tab-name{font-size:1.1rem;font-weight:600;color:var(--text-primary)}.signature-tab-count{font-size:.8rem;color:var(--text-muted)}.signature-category-tab.active .signature-tab-name{color:var(--secondary)}.signature-category-tab.active .signature-tab-count{color:var(--text-secondary)}.email-signature-gallery{padding:80px 40px;max-width:1400px;margin:0 auto}.signature-gallery-header{text-align:center;margin-bottom:60px}.signature-gallery-header h3{font-size:2.5rem;font-weight:700;color:var(--text-primary);margin-bottom:15px}.signature-gallery-header p{font-size:1.1rem;color:var(--text-secondary);margin:0}.signature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,350px),1fr));gap:30px}.signature-card{background:var(--bg-card);border:2px solid var(--border);border-radius:16px;overflow:hidden;cursor:pointer;transition:all .4s ease;position:relative;animation:fadeInUp .6s ease forwards;opacity:0;transform:translateY(30px)}.signature-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient);transform:translate(-100%);transition:transform .4s ease;z-index:2}.signature-card:hover{transform:translateY(-6px);border-color:var(--primary);box-shadow:var(--shadow-hover)}.signature-card:hover:before{transform:translate(0)}.signature-image-wrapper{position:relative;padding:20px;background:#000}.signature-image{width:100%;height:auto;display:block;border-radius:8px;box-shadow:0 4px 12px #0000004d;-webkit-user-select:none;user-select:none;-webkit-user-drag:none}.signature-meta{padding:20px;text-align:center}.signature-title{font-size:1.1rem;font-weight:600;color:var(--text-primary);margin:0 0 6px}.signature-description{font-size:.8rem;color:var(--text-muted);margin:0;line-height:1.4}.email-signature-cta{background:var(--bg-card);border-top:1px solid var(--border);padding:80px 40px;text-align:center}.email-cta-content{max-width:800px;margin:0 auto}.email-signature-cta h3{font-size:2.5rem;font-weight:700;color:var(--text-primary);margin-bottom:20px}.email-signature-cta p{font-size:1.2rem;color:var(--text-secondary);margin-bottom:40px;line-height:1.6}.email-cta-button{background:var(--gradient);color:#000;padding:16px 32px;border-radius:12px;text-decoration:none;font-weight:600;font-size:1.1rem;display:inline-block;transition:all .3s ease;margin:0 10px 10px 0}.email-cta-button:hover{transform:translateY(-2px);box-shadow:0 12px 35px #9370db66;text-decoration:none;color:#000}.email-cta-button-secondary{background:transparent;color:var(--text-primary);border:2px solid var(--primary);padding:14px 32px;border-radius:12px;text-decoration:none;font-weight:600;font-size:1.1rem;display:inline-block;transition:all .3s ease;margin:0 10px 10px 0}.email-cta-button-secondary:hover{background:var(--primary);color:#000;transform:translateY(-2px);text-decoration:none}.signature-modal-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.9);display:flex;align-items:center;justify-content:center;z-index:2000;padding:20px;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.signature-modal-container{background:var(--bg-card);border:2px solid var(--border-light);border-radius:24px;max-width:800px;max-height:90vh;width:100%;overflow:hidden;box-shadow:0 25px 100px #00000080;position:relative}.signature-modal-container:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--gradient)}.signature-modal-header{padding:30px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:flex-start;background:var(--bg-dark)}.signature-modal-title-section h3{font-size:1.8rem;font-weight:600;color:var(--text-primary);margin:0 0 10px}.signature-modal-meta{display:flex;gap:15px;align-items:center;flex-wrap:wrap}.signature-platform-tag{background:var(--primary);color:#fff;padding:4px 12px;border-radius:20px;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:1px}.signature-size-info{color:var(--text-secondary);font-size:.9rem;font-weight:500}.signature-modal-close{background:none;border:none;color:var(--text-secondary);font-size:2rem;cursor:pointer;padding:8px;border-radius:8px;transition:all .2s ease;line-height:1;width:44px;height:44px;display:flex;align-items:center;justify-content:center}.signature-modal-close:hover{color:var(--text-primary);background:var(--bg-hover)}.signature-modal-body{padding:30px;overflow-y:auto;max-height:calc(90vh - 200px);display:flex;flex-direction:column;align-items:center}.signature-modal-image-container{background:#000;border-radius:16px;overflow:hidden;margin:0 auto 30px;box-shadow:var(--shadow);padding:20px;width:440px;display:flex;justify-content:center;align-items:center}.signature-modal-image{width:400px;height:100px;display:block;border-radius:8px;-webkit-user-select:none;user-select:none;-webkit-user-drag:none}.signature-modal-actions{text-align:center}.signature-download-button{background:var(--gradient);color:#000;border:none;padding:16px 32px;border-radius:12px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.signature-download-button:hover{transform:translateY(-2px);box-shadow:0 12px 35px #9370db66}.signature-modal-note{font-size:.9rem;color:var(--text-muted);margin:15px 0 0}.email-signature-footer{background:var(--bg-dark);border-top:1px solid var(--border);padding:40px;text-align:center}.email-footer-links{display:flex;justify-content:center;gap:30px}.email-footer-links button{background:none;border:none;color:var(--secondary);text-decoration:underline;cursor:pointer;font-size:.9rem;transition:all .2s ease}.email-footer-links button:hover{color:var(--text-primary)}@keyframes fadeInUp{to{opacity:1;transform:translateY(0)}}@media (max-width: 1200px){.signature-category-tabs{grid-template-columns:repeat(3,1fr);gap:15px}.signature-grid{grid-template-columns:repeat(3,1fr);gap:25px}}@media (max-width: 768px){.email-header-content{flex-direction:column;gap:20px;padding:0 20px}.email-signature-hero{padding:60px 20px}.email-signature-hero h2{font-size:2.5rem}.signature-category-tabs{grid-template-columns:repeat(2,1fr);padding:0 20px;gap:15px}.signature-category-tab{padding:20px 12px}.signature-tab-icon{font-size:2.2rem}.signature-tab-name{font-size:1rem}.signature-tab-count{font-size:.75rem}.email-signature-gallery{padding:60px 20px}.signature-grid{grid-template-columns:repeat(2,1fr);gap:20px}.email-signature-cta{padding:60px 20px}.signature-modal-container{margin:10px}.signature-modal-header,.signature-modal-body{padding:20px}}@media (max-width: 480px){.signature-category-tabs{grid-template-columns:1fr;gap:12px}.signature-category-tab{padding:18px}.signature-tab-icon{font-size:2rem}.signature-grid{grid-template-columns:1fr;gap:20px}.email-footer-links{flex-direction:column;gap:15px}}