:root{--color-primary:#000000;--color-secondary:#0ea5e9;--color-accent:#06b6d4;--color-dark:#0a0a0a;--color-darker:#050505;--gradient-primary:linear-gradient(135deg,#0ea5e9 0%,#06b6d4 100%);--gradient-dark:linear-gradient(180deg,#000000 0%,#0a0a0a 100%);--gradient-glow:radial-gradient(circle at center,rgba(14,165,233,0.15) 0%,transparent 70%);--glass-bg:rgba(255,255,255,0.05);--glass-border:rgba(255,255,255,0.1);--glass-shadow:0 8px 32px 0 rgba(0,0,0,0.37);--glass-blur:blur(12px);--font-primary:'Cairo',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;--font-mono:'Courier New',monospace;--spacing-xs:0.5rem;--spacing-sm:1rem;--spacing-md:1.5rem;--spacing-lg:2rem;--spacing-xl:3rem;--spacing-2xl:4rem;--radius-sm:0.375rem;--radius-md:0.5rem;--radius-lg:1rem;--radius-xl:1.5rem;--transition-fast:0.15s ease;--transition-base:0.3s ease;--transition-slow:0.5s ease;--z-base:1;--z-dropdown:100;--z-sticky:200;--z-modal:1000;}*{margin:0;padding:0;box-sizing:border-box;}html{scroll-behavior:smooth;font-size:16px;}body{font-family:var(--font-primary);background:var(--color-primary);color:#ffffff;line-height:1.6;overflow-x:hidden;position:relative;}body::before{content:'';position:fixed;top:-50%;left:-50%;width:200%;height:200%;background:var(--gradient-glow);animation:glow-pulse 15s ease-in-out infinite;pointer-events:none;z-index:0;}@keyframes glow-pulse{0%,100%{opacity:0.3;transform:scale(1);}50%{opacity:0.5;transform:scale(1.1);}}@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;600;700;900&display=swap');h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;margin-bottom:var(--spacing-md);background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}h1{font-size:3rem;font-weight:900;}h2{font-size:2.25rem;}h3{font-size:1.75rem;}h4{font-size:1.5rem;}h5{font-size:1.25rem;}h6{font-size:1rem;}p{margin-bottom:var(--spacing-sm);color:rgba(255,255,255,0.85);}a{color:var(--color-secondary);text-decoration:none;transition:var(--transition-base);}a:hover{color:var(--color-accent);text-decoration:underline;}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--spacing-md);position:relative;z-index:var(--z-base);}.section{padding:var(--spacing-2xl) 0;position:relative;}.section-title{text-align:center;margin-bottom:var(--spacing-xl);}.header{position:fixed;top:0;left:0;right:0;z-index:var(--z-sticky);background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border-bottom:1px solid var(--glass-border);box-shadow:var(--glass-shadow);}.nav{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md) 0;}.logo{font-size:1.5rem;font-weight:900;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-decoration:none;display:flex;align-items:center;gap:0.5rem;}.nav-menu{display:flex;list-style:none;gap:var(--spacing-lg);}.nav-link{color:rgba(255,255,255,0.9);font-weight:600;padding:0.5rem 1rem;border-radius:var(--radius-md);transition:var(--transition-base);}.nav-link:hover{background:var(--glass-bg);color:var(--color-secondary);text-decoration:none;transform:translateY(-2px);}.menu-toggle{display:none;background:none;border:none;color:white;font-size:1.5rem;cursor:pointer;}.glass-card{background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--glass-shadow);transition:var(--transition-base);position:relative;overflow:hidden;}.glass-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-primary);transform:scaleX(0);transition:var(--transition-base);}.glass-card:hover{transform:translateY(-5px);box-shadow:0 12px 40px 0 rgba(14,165,233,0.3);}.glass-card:hover::before{transform:scaleX(1);}.btn{display:inline-block;padding:0.875rem 2rem;border-radius:var(--radius-md);font-weight:600;text-align:center;cursor:pointer;transition:var(--transition-base);border:none;font-size:1rem;text-decoration:none;font-family:var(--font-primary);}.btn-primary{background:var(--gradient-primary);color:white;box-shadow:0 4px 15px rgba(14,165,233,0.4);}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(14,165,233,0.6);text-decoration:none;}.btn-outline{background:transparent;color:var(--color-secondary);border:2px solid var(--color-secondary);}.btn-outline:hover{background:var(--color-secondary);color:white;text-decoration:none;}.btn-ghost{background:var(--glass-bg);color:white;border:1px solid var(--glass-border);}.btn-ghost:hover{background:var(--glass-border);text-decoration:none;}.grid{display:grid;gap:var(--spacing-lg);}.grid-2{grid-template-columns:repeat(2,1fr);}.grid-3{grid-template-columns:repeat(3,1fr);}.grid-4{grid-template-columns:repeat(4,1fr);}.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding-top:80px;position:relative;}.hero-content{max-width:800px;animation:fade-in-up 0.8s ease;}.hero h1{font-size:4rem;margin-bottom:var(--spacing-md);}.hero p{font-size:1.25rem;margin-bottom:var(--spacing-xl);color:rgba(255,255,255,0.8);}.hero-cta{display:flex;gap:var(--spacing-md);justify-content:center;flex-wrap:wrap;}@keyframes fade-in-up{from{opacity:0;transform:translateY(30px);}to{opacity:1;transform:translateY(0);}}.tool-card{background:var(--glass-bg);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);transition:var(--transition-base);cursor:pointer;}.tool-card:hover{transform:translateY(-8px) scale(1.02);box-shadow:0 15px 45px rgba(14,165,233,0.35);border-color:var(--color-secondary);}.tool-icon{font-size:3rem;margin-bottom:var(--spacing-md);display:block;}.tool-title{font-size:1.5rem;margin-bottom:var(--spacing-sm);}.tool-description{color:rgba(255,255,255,0.7);font-size:0.95rem;}.form-group{margin-bottom:var(--spacing-md);}label{display:block;margin-bottom:var(--spacing-xs);font-weight:600;color:rgba(255,255,255,0.9);}input,textarea,select{width:100%;padding:0.875rem;border-radius:var(--radius-md);border:1px solid var(--glass-border);background:var(--glass-bg);color:white;font-family:var(--font-primary);font-size:1rem;transition:var(--transition-base);backdrop-filter:var(--glass-blur);}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--color-secondary);box-shadow:0 0 0 3px rgba(14,165,233,0.2);}textarea{resize:vertical;min-height:120px;}.footer{background:var(--color-darker);padding:var(--spacing-xl) 0 var(--spacing-md);margin-top:var(--spacing-2xl);border-top:1px solid var(--glass-border);}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-lg);margin-bottom:var(--spacing-lg);}.footer-section h4{margin-bottom:var(--spacing-sm);}.footer-links{list-style:none;}.footer-links li{margin-bottom:var(--spacing-xs);}.footer-links a{color:rgba(255,255,255,0.7);transition:var(--transition-base);}.footer-links a:hover{color:var(--color-secondary);text-decoration:none;padding-left:5px;}.footer-bottom{text-align:center;padding-top:var(--spacing-md);border-top:1px solid var(--glass-border);color:rgba(255,255,255,0.6);}.text-center{text-align:center;}.text-left{text-align:left;}.text-right{text-align:right;}.mt-1{margin-top:var(--spacing-xs);}.mt-2{margin-top:var(--spacing-sm);}.mt-3{margin-top:var(--spacing-md);}.mt-4{margin-top:var(--spacing-lg);}.mb-1{margin-bottom:var(--spacing-xs);}.mb-2{margin-bottom:var(--spacing-sm);}.mb-3{margin-bottom:var(--spacing-md);}.mb-4{margin-bottom:var(--spacing-lg);}.p-1{padding:var(--spacing-xs);}.p-2{padding:var(--spacing-sm);}.p-3{padding:var(--spacing-md);}.p-4{padding:var(--spacing-lg);}.flex{display:flex;}.flex-center{display:flex;align-items:center;justify-content:center;}.flex-between{display:flex;justify-content:space-between;align-items:center;}.gap-1{gap:var(--spacing-xs);}.gap-2{gap:var(--spacing-sm);}.gap-3{gap:var(--spacing-md);}.gap-4{gap:var(--spacing-lg);}@keyframes float{0%,100%{transform:translateY(0);}50%{transform:translateY(-10px);}}@keyframes pulse-glow{0%,100%{box-shadow:0 0 20px rgba(14,165,233,0.4);}50%{box-shadow:0 0 40px rgba(14,165,233,0.8);}}.animate-float{animation:float 3s ease-in-out infinite;}.animate-pulse{animation:pulse-glow 2s ease-in-out infinite;}.loading{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,0.3);border-radius:50%;border-top-color:var(--color-secondary);animation:spin 0.8s linear infinite;}@keyframes spin{to{transform:rotate(360deg);}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0;}*:focus-visible{outline:2px solid var(--color-secondary);outline-offset:2px;}