/*
Theme Name: AiChatt Social Media Theme
Theme URI: https://aichatt.eu
Author: AiChatt Social Media
Author URI: https://aichatt.eu
Description: A modern, professional WordPress theme for AiChatt Social Media. Features full Elementor compatibility, WooCommerce support, multilingual capabilities (DE/EN), and a stunning dark design with gradient accents. ULTRA-PERFORMANCE v3.6.17 - PHP 8.3 NULL-Pointer-Fix. WordPress 7.0 Fatal Error Fix. - Critical CSS, JS-Defer, LCP-Prioritization & Aggressive Caching.
Version: 3.6.17
Requires at least: 5.8
Tested up to: 7.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: aichatt-professional
Tags: ai, technology, dark, modern, responsive, elementor, woocommerce, multilingual, corporate, business
*/
:root{--primary-color:#8B5CF6;--secondary-color:#3B82F6;--accent-color:#10B981;--bg-dark:#0F0F1E;--bg-dark-alt:#1A1A2E;--bg-card:rgba(26,26,46,0.8);--text-white:#FFFFFF;--text-light:#E5E7EB;--text-gray:#9CA3AF;--border-color:rgba(255,255,255,0.1);--font-primary:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;--font-size-base:16px;--line-height-base:1.6;--spacing-xs:0.5rem;--spacing-sm:1rem;--spacing-md:1.5rem;--spacing-lg:2rem;--spacing-xl:3rem;--spacing-2xl:4rem;--header-height:80px;--radius-sm:0.375rem;--radius-md:0.5rem;--radius-lg:1rem;--radius-xl:1.5rem;--shadow-sm:0 1px 2px 0 rgba(0,0,0,0.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,0.1);--shadow-glow:0 0 20px rgba(139,92,246,0.3);--transition:all 0.3s cubic-bezier(0.4,0,0.2,1)}*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}html{font-size:var(--font-size-base);scroll-behavior:smooth;overflow-x:hidden;width:100%}body{font-family:var(--font-primary);line-height:var(--line-height-base);color:var(--text-light);background-color:var(--bg-dark);overflow-x:hidden;padding-top:var(--header-height);width:100%;position:relative}body.elementor-editor-active,body.elementor-page-template-canvas,.elementor-template-canvas body{padding-top:0 !important}body.menu-open{overflow:hidden}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;color:var(--text-white);margin-bottom:var(--spacing-md);word-wrap:break-word;overflow-wrap:break-word;hyphens:auto}h1{font-size:clamp(2rem,5vw,3.5rem)}h2{font-size:clamp(1.75rem,4vw,2.5rem)}h3{font-size:clamp(1.5rem,3vw,2rem)}h4{font-size:1.5rem}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-bottom:var(--spacing-md);color:var(--text-gray);word-wrap:break-word;overflow-wrap:break-word}a{color:var(--primary-color);text-decoration:none;transition:var(--transition)}a:hover{color:var(--secondary-color)}.text-gradient{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md);width:100%}.container-fluid{width:100%;padding:0 var(--spacing-md)}.section{padding:var(--spacing-2xl) 0;overflow:hidden}.section-label{display:inline-block;padding:0.5rem 1rem;background:rgba(139,92,246,0.1);border:1px solid rgba(139,92,246,0.3);border-radius:var(--radius-md);color:var(--primary-color);font-size:0.875rem;font-weight:600;text-transform:uppercase;letter-spacing:0.05em;margin-bottom:var(--spacing-md)}.site-header{position:fixed;top:0;left:0;right:0;width:100%;z-index:1000;background:rgba(15,15,30,0.95);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border-color);transition:var(--transition);height:var(--header-height);overflow:visible}.site-header.scrolled{background:rgba(15,15,30,0.98);box-shadow:var(--shadow-lg)}.header-container{display:flex;align-items:center;justify-content:space-between;height:var(--header-height);max-width:1400px;margin:0 auto;padding:0 var(--spacing-md);width:100%}.site-branding{flex-shrink:0;display:flex;align-items:center}.site-logo img{height:50px;width:auto;display:block}.site-title{margin:0;font-size:1.5rem}.site-title a{color:var(--text-white)}.main-navigation{display:flex;align-items:center;gap:var(--spacing-lg);flex:1;justify-content:flex-end;transform:none;position:static;background:transparent;top:auto;left:auto;right:auto;bottom:auto}.main-navigation ul{display:flex;list-style:none;gap:var(--spacing-md);margin:0;padding:0;align-items:center;flex-wrap:nowrap}.main-navigation li{margin:0;position:relative}.main-navigation a{color:var(--text-light);font-weight:500;font-size:0.9375rem;padding:0.5rem 1rem;border-radius:var(--radius-sm);transition:var(--transition);white-space:nowrap;display:block}.main-navigation a:hover,.main-navigation .current-menu-item>a,.main-navigation .current_page_item>a{color:var(--primary-color);background:rgba(139,92,246,0.1)}.language-switcher{position:relative;margin-left:var(--spacing-md);flex-shrink:0}.lang-toggle{display:flex;align-items:center;gap:0.5rem;padding:0.4rem 0.8rem;background:rgba(255,255,255,0.05);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-light);cursor:pointer;transition:var(--transition);font-size:0.875rem;white-space:nowrap}.lang-toggle:hover{background:rgba(255,255,255,0.1);border-color:var(--primary-color)}.lang-toggle svg{flex-shrink:0;transition:transform 0.3s ease}.lang-toggle.active svg{transform:rotate(180deg)}.lang-dropdown{position:absolute;top:calc(100%+0.5rem);right:0;background:var(--bg-dark-alt);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:0.5rem;min-width:150px;opacity:0;visibility:hidden;transform:translateY(-10px);transition:var(--transition);list-style:none;box-shadow:var(--shadow-lg);z-index:1100}.lang-dropdown.show{opacity:1;visibility:visible;transform:translateY(0)}.lang-dropdown li{margin:0}.lang-dropdown a{display:flex;align-items:center;gap:0.5rem;padding:0.5rem 1rem;color:var(--text-light);border-radius:var(--radius-sm);transition:var(--transition)}.lang-dropdown a:hover,.lang-dropdown li.active a{background:rgba(139,92,246,0.1);color:var(--primary-color)}.mobile-menu-toggle{display:none;flex-direction:column;gap:0.25rem;background:transparent;border:none;cursor:pointer;padding:0.5rem;z-index:1001;flex-shrink:0}.mobile-menu-toggle span{display:block;width:25px;height:2px;background:var(--text-white);transition:var(--transition);border-radius:2px}.mobile-menu-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.mobile-menu-toggle.active span:nth-child(2){opacity:0}.mobile-menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(7px,-6px)}.btn{display:inline-block;padding:0.75rem 1.5rem;font-weight:600;text-align:center;border-radius:var(--radius-md);transition:var(--transition);cursor:pointer;border:none;font-size:1rem;line-height:1.5}.btn-primary{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:var(--text-white)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-glow);color:var(--text-white)}.btn-secondary{background:transparent;border:2px solid var(--primary-color);color:var(--primary-color)}.btn-secondary:hover{background:var(--primary-color);color:var(--text-white)}.btn-lg{padding:1rem 2rem;font-size:1.125rem}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--spacing-lg);transition:var(--transition);height:100%}.card:hover{transform:translateY(-5px);border-color:var(--primary-color);box-shadow:var(--shadow-glow)}.card-icon{width:60px;height:60px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));border-radius:var(--radius-md);margin-bottom:var(--spacing-md)}.card-title{font-size:1.25rem;margin-bottom:var(--spacing-sm);color:var(--text-white)}.card-text{color:var(--text-gray);margin-bottom:0}.card img{width:100%;height:auto;border-radius:var(--radius-md);margin-bottom:var(--spacing-md)}.hero-section{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:120px 2rem 80px;position:relative;overflow:hidden;background:linear-gradient(135deg,#0F0F1E 0%,#1A1A2E 100%)}.hero-content{position:relative;z-index:2;max-width:900px;margin:0 auto;text-align:center;padding:0 1rem}.hero-title{font-size:clamp(2rem,5vw,4rem);font-weight:800;margin-bottom:1.5rem;word-wrap:break-word;overflow-wrap:break-word;hyphens:auto;line-height:1.2;color:#FFFFFF}.hero-description{font-size:clamp(1rem,2vw,1.25rem);color:#9CA3AF;margin-bottom:2rem;line-height:1.8;max-width:700px;margin-left:auto;margin-right:auto}.hero-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-top:2rem}.site-footer{background:var(--bg-dark-alt);border-top:1px solid var(--border-color);padding:var(--spacing-2xl) 0 var(--spacing-md);margin-top:var(--spacing-2xl);overflow:hidden}.footer-widgets{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-xl);margin-bottom:var(--spacing-xl)}.footer-widget-title{color:var(--text-white);font-size:1.125rem;margin-bottom:var(--spacing-md)}.footer-widget ul{list-style:none;padding:0;margin:0}.footer-widget li{margin-bottom:var(--spacing-sm)}.footer-widget a{color:var(--text-gray);transition:var(--transition)}.footer-widget a:hover{color:var(--primary-color)}.footer-bottom{padding-top:var(--spacing-lg);border-top:1px solid var(--border-color);text-align:center;color:var(--text-gray)}.footer-main{background:var(--bg-dark-alt);padding:var(--spacing-2xl) 0 var(--spacing-xl);border-top:1px solid var(--border-color)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:var(--spacing-xl);align-items:start}@media (max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr;gap:var(--spacing-lg)}}@media (max-width:600px){.footer-grid{grid-template-columns:1fr;gap:var(--spacing-md)}}.footer-col-title{font-size:1rem;font-weight:700;color:var(--text-white);margin-bottom:var(--spacing-md);padding-bottom:var(--spacing-xs);border-bottom:2px solid var(--primary-color);display:inline-block}.footer-logo{margin-bottom:var(--spacing-md)}.footer-logo img{height:45px;width:auto}.footer-site-name{font-size:1.5rem;font-weight:800;color:var(--text-white);text-decoration:none;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.footer-description{color:var(--text-gray);font-size:0.9rem;line-height:1.7;margin-bottom:var(--spacing-md)}.footer-social{display:flex;gap:var(--spacing-sm);flex-wrap:wrap;margin-top:var(--spacing-sm)}.footer-social-link{display:flex;align-items:center;justify-content:center;width:38px;height:38px;background:rgba(255,255,255,0.05);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-gray);transition:var(--transition)}.footer-social-link:hover{background:var(--primary-color);border-color:var(--primary-color);color:white;transform:translateY(-2px)}.footer-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:0.6rem}.footer-links li a{color:var(--text-gray);font-size:0.9rem;text-decoration:none;transition:var(--transition);display:flex;align-items:center;gap:0.4rem}.footer-links li a::before{content:"\203A";color:var(--primary-color);font-weight:bold;font-size:1rem}.footer-links li a:hover{color:var(--primary-color);padding-left:4px}.footer-contact-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:var(--spacing-sm)}.footer-contact-item{display:flex;align-items:flex-start;gap:0.6rem;color:var(--text-gray);font-size:0.9rem}.footer-contact-item svg{flex-shrink:0;margin-top:2px;color:var(--primary-color)}.footer-contact-item a{color:var(--text-gray);text-decoration:none;transition:var(--transition)}.footer-contact-item a:hover{color:var(--primary-color)}.footer-bottom{background:rgba(0,0,0,0.3);border-top:1px solid var(--border-color);padding:var(--spacing-md) 0}.footer-bottom-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:var(--spacing-sm)}.footer-copyright{color:var(--text-gray);font-size:0.875rem;margin:0}.footer-copyright a{color:var(--primary-color);text-decoration:none}.footer-legal-nav ul{display:flex;list-style:none;padding:0;margin:0;gap:var(--spacing-md);flex-wrap:wrap}.footer-legal-nav a{color:var(--text-gray);font-size:0.875rem;text-decoration:none;transition:var(--transition)}.footer-legal-nav a:hover{color:var(--primary-color)}@media (max-width:600px){.footer-bottom-inner{flex-direction:column;text-align:center}.footer-legal-nav ul{justify-content:center}}#back-to-top,.back-to-top{position:fixed !important;bottom:2rem !important;right:2rem !important;top:auto !important;left:auto !important;width:50px;height:50px;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));border:none;border-radius:50%;color:var(--text-white);cursor:pointer;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(20px);transition:var(--transition);z-index:999;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(139,92,246,0.4)}#back-to-top.show,.back-to-top.show{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}#back-to-top:hover,.back-to-top:hover{transform:translateY(-5px);box-shadow:var(--shadow-glow)}.site-header #back-to-top,.site-header .back-to-top,.header-container #back-to-top,.header-container .back-to-top,.main-navigation #back-to-top,.main-navigation .back-to-top{display:none !important}.page-wrapper,.single-post-wrapper{min-height:60vh}.entry-header{margin-bottom:var(--spacing-xl)}.entry-title{font-size:clamp(2rem,5vw,3rem)}.entry-content{line-height:1.8}.entry-content img{max-width:100%;height:auto;border-radius:var(--radius-lg);margin:var(--spacing-lg) 0}body.elementor-template-canvas .site-header,body.elementor-template-canvas .site-footer,body.elementor-template-canvas #back-to-top{display:none !important}body.elementor-template-canvas{padding-top:0 !important}body.elementor-template-full-width .site-content{padding:0}.elementor-editor-active .site-header{z-index:auto}.elementor-widget-wrap>.elementor-element{width:100%}.feature-grid,.services-grid,.projects-grid{display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));max-width:100%;overflow:hidden}.blog-header{text-align:center;padding:120px 2rem 60px;background:linear-gradient(135deg,#0F0F1E 0%,#1A1A2E 100%);overflow:hidden}.blog-header h1{font-size:clamp(2.5rem,5vw,4rem);margin-bottom:1rem}.blog-grid{display:grid;grid-template-columns:1fr;gap:2rem;max-width:800px;margin:0 auto}.no-posts{text-align:center;padding:4rem 2rem;background:rgba(26,26,46,0.5);border-radius:1rem;margin:2rem auto;max-width:600px}.no-posts h2{font-size:2rem;margin-bottom:1rem;color:var(--primary-color)}@media (max-width:1024px){:root{--header-height:70px}.main-navigation ul{gap:var(--spacing-sm)}.main-navigation a{padding:0.5rem 0.75rem;font-size:0.875rem}}@media (max-width:768px){:root{--header-height:70px}.main-navigation{display:none !important}.main-navigation ul{flex-direction:column;width:100%;gap:0}.main-navigation li{width:100%;border-bottom:1px solid var(--border-color)}.main-navigation a{display:block;width:100%;padding:1rem;font-size:1rem}.language-switcher{margin-left:0;margin-top:var(--spacing-md);width:100%}.lang-toggle{width:100%;justify-content:center}.mobile-menu-toggle{display:flex}.footer-widgets{grid-template-columns:1fr}.hero-section{min-height:80vh;padding:100px 1rem 60px}.hero-title{font-size:2rem;line-height:1.2}.hero-description{font-size:1rem}.hero-buttons{flex-direction:column;align-items:center}.hero-buttons .btn{width:100%;max-width:300px}#back-to-top,.back-to-top{bottom:1rem !important;right:1rem !important;width:45px;height:45px}.aichatt-chatbot-wrapper.aichatt-position-bottom-right{bottom:1rem !important;right:calc(1rem+45px+12px) !important}.feature-grid,.services-grid,.projects-grid{grid-template-columns:1fr}}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.mt-1{margin-top:var(--spacing-sm)}.mt-2{margin-top:var(--spacing-md)}.mt-3{margin-top:var(--spacing-lg)}.mb-1{margin-bottom:var(--spacing-sm)}.mb-2{margin-bottom:var(--spacing-md)}.mb-3{margin-bottom:var(--spacing-lg)}.py-5{padding:var(--spacing-2xl) 0}.animate-on-scroll{opacity:0;transform:translateY(30px);transition:opacity 0.6s ease,transform 0.6s ease}.animate-on-scroll.animated{opacity:1;transform:translateY(0)}.grid{display:grid;gap:var(--spacing-lg)}.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}a:focus,button:focus,input:focus,textarea:focus{outline:2px solid var(--primary-color);outline-offset:2px}@media (prefers-reduced-motion:reduce){*{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important}}@media print{#back-to-top,.back-to-top,.site-header,.site-footer{display:none !important}}.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.6);z-index:998;opacity:0;transition:opacity 0.3s ease;backdrop-filter:blur(2px)}.mobile-menu-overlay.active{display:block;opacity:1}.mobile-menu-content{position:relative;width:100%;max-width:400px;height:100%;background:var(--bg-dark-alt);padding:80px 2rem 2rem;display:flex;flex-direction:column;box-shadow:var(--shadow-lg)}.mobile-menu-content ul{list-style:none;padding:0;margin:0}.mobile-menu-content li{margin-bottom:1rem;border-bottom:1px solid var(--border-color)}.mobile-menu-content a{display:block;padding:0.75rem 0;color:var(--text-white);font-size:1.25rem;font-weight:600;text-decoration:none}.mobile-menu-footer{margin-top:auto;padding-top:2rem}body.menu-open{overflow:hidden}@media (min-width:769px){.mobile-menu-toggle{display:none !important}#mobile-menu-overlay{display:none !important}}.animate-on-scroll,.btn,.card,.site-header,#back-to-top{will-change:transform}section:not(.hero-section){content-visibility:auto;contain-intrinsic-size:0 500px}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}img{image-rendering:-webkit-optimize-contrast;image-rendering:crisp-edges}html{scroll-behavior:smooth}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.animate-on-scroll{opacity:1 !important;transform:none !important;transition:none !important}*{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important;will-change:auto !important}}@font-face{font-display:swap}img[width][height]{aspect-ratio:attr(width) / attr(height);height:auto}@media print{.site-header,.site-footer,#back-to-top,.mobile-menu-toggle,.aichatt-chatbot-wrapper{display:none !important}body{background:#fff !important;color:#000 !important}a[href]::after{content:" (" attr(href) ")"}}