*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #3b82f6;--primary-dark: #1d4ed8;--primary-light: #60a5fa;--primary-50: #eff6ff;--primary-100: #dbeafe;--primary-500: #3b82f6;--primary-600: #2563eb;--primary-700: #1d4ed8;--primary-900: #1e3a8a;--secondary-color: #10b981;--secondary-dark: #059669;--secondary-light: #34d399;--secondary-50: #ecfdf5;--secondary-100: #d1fae5;--accent-color: #f59e0b;--accent-light: #fbbf24;--accent-50: #fffbeb;--accent-100: #fef3c7;--success-color: #10b981;--warning-color: #f59e0b;--error-color: #ef4444;--info-color: #3b82f6;--text-primary: #111827;--text-secondary: #6b7280;--text-tertiary: #9ca3af;--text-light: #d1d5db;--text-white: #ffffff;--text-muted: #6b7280;--bg-primary: #ffffff;--bg-secondary: #f9fafb;--bg-tertiary: #f3f4f6;--bg-accent: #f1f5f9;--bg-dark: #1f2937;--bg-darker: #111827;--gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 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3rem;--space-3xl: 4rem;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--font-size-5xl: 3rem;--line-height-tight: 1.25;--line-height-snug: 1.375;--line-height-normal: 1.5;--line-height-relaxed: 1.625;--line-height-loose: 2}body{font-family:Poppins,Noto Sans Bengali,Inter,system-ui,-apple-system,sans-serif;font-size:var(--font-size-base);line-height:var(--line-height-relaxed);color:var(--text-primary);background-color:var(--bg-primary);overflow-x:hidden;font-feature-settings:"kern" 1,"liga" 1,"calt" 1;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;font-weight:400;letter-spacing:-.01em}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.navbar{position:fixed;top:0;left:0;right:0;background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-color);z-index:1000;transition:all .4s cubic-bezier(.4,0,.2,1);transform:translateY(0)}.nav-container{max-width:1200px;margin:0 auto;padding:0 1rem;display:flex;justify-content:space-between;align-items:center;height:70px}.nav-logo{display:flex;align-items:center;gap:.5rem;font-weight:700;font-size:1.5rem;color:var(--primary-color)}.logo-img{width:40px;height:40px;border-radius:8px;object-fit:cover}.nav-menu{display:flex;list-style:none;gap:2rem}.nav-menu a{text-decoration:none;color:var(--text-primary);font-weight:500;transition:color .3s ease;position:relative}.nav-menu a:hover{color:var(--primary-color)}.nav-menu a:after{content:"";position:absolute;bottom:-5px;left:0;width:0;height:2px;background:var(--primary-color);transition:width .3s ease}.nav-menu a:hover:after{width:100%}.nav-toggle{display:none;flex-direction:column;cursor:pointer}.nav-toggle span{width:25px;height:3px;background:var(--text-primary);margin:3px 0;transition:.3s}.hero{padding:120px 0 80px;background:var(--gradient-hero);background-size:400% 400%;animation:gradientShift 15s ease infinite;min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');opacity:.3;z-index:1;animation:float 6s ease-in-out infinite}.hero:after{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);animation:pulse 4s ease-in-out infinite;z-index:1}.hero-container{max-width:1200px;margin:0 auto;padding:0 1rem;display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;position:relative;z-index:2}.hero-content{animation:slideInLeft 1.2s ease-out}.hero-title{font-size:var(--font-size-5xl);font-weight:800;line-height:var(--line-height-tight);color:var(--text-white);margin-bottom:var(--space-lg);text-shadow:0 4px 8px rgba(0,0,0,.3);background:linear-gradient(45deg,#fff,#f0f9ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:fadeInUp 1.5s ease-out .3s both;letter-spacing:-.02em}.hero-subtitle{font-size:var(--font-size-xl);color:#fffffff2;margin-bottom:var(--space-xl);line-height:var(--line-height-relaxed);font-weight:400;animation:fadeInUp 1.5s ease-out .6s both;text-shadow:0 2px 4px rgba(0,0,0,.2);max-width:600px}.hero-buttons{display:flex;gap:1rem;flex-wrap:wrap;animation:fadeInUp 1.5s ease-out .9s both}.hero-image{display:flex;justify-content:center;animation:slideInRight 1.2s ease-out;position:relative}.hero-image:before{content:"";position:absolute;inset:-20px;background:linear-gradient(45deg,#ffffff1a,#ffffff0d);border-radius:30px;z-index:-1;animation:pulse 3s ease-in-out infinite}.hero-img{max-width:100%;height:auto;border-radius:20px;box-shadow:var(--shadow-xl)}.btn{display:inline-block;padding:16px 32px;border-radius:12px;text-decoration:none;font-weight:600;font-size:1rem;transition:all .4s cubic-bezier(.4,0,.2,1);cursor:pointer;border:none;text-align:center;position:relative;overflow:hidden;transform:translateY(0)}.btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s}.btn:hover:before{left:100%}.btn-primary{background:var(--text-white);color:var(--primary-color);border:2px solid var(--text-white);font-weight:600;box-shadow:0 8px 25px #00000026}.btn-primary:hover{background:transparent;color:var(--text-white);border-color:var(--text-white);transform:translateY(-5px) scale(1.05);box-shadow:0 15px 35px #0003}.btn-secondary{background:transparent;color:var(--text-white);border:2px solid var(--text-white);font-weight:600;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.btn-secondary:hover{background:var(--text-white);color:var(--primary-color);transform:translateY(-5px) scale(1.05);box-shadow:0 15px 35px #0003}.btn:active{transform:translateY(-2px) scale(.98)}.btn-outline{background:transparent;color:var(--primary-color);border:2px solid var(--primary-color)}.btn-outline:hover{background:var(--primary-color);color:#fff}.section-title{font-size:2.5rem;font-weight:700;text-align:center;margin-bottom:1rem;color:var(--text-primary)}.section-subtitle{font-size:1.125rem;color:var(--text-secondary);text-align:center;margin-bottom:3rem;max-width:600px;margin-left:auto;margin-right:auto}.products{padding:80px 0;background:var(--bg-primary)}.search-container{display:flex;justify-content:center;margin-bottom:3rem}.search-box{position:relative;max-width:500px;width:100%}.search-icon{position:absolute;left:20px;top:50%;transform:translateY(-50%);color:var(--text-light);z-index:2}.search-input{width:100%;padding:16px 20px 16px 60px;border:2px solid var(--border-color);border-radius:50px;font-size:1rem;font-family:inherit;background:#fff;transition:all .3s ease;box-shadow:var(--shadow-sm)}.search-input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a;transform:translateY(-2px)}.clear-search{position:absolute;right:20px;top:50%;transform:translateY(-50%);background:var(--text-light);color:#fff;border:none;border-radius:50%;width:24px;height:24px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:16px;transition:all .3s ease}.clear-search:hover{background:var(--text-secondary);transform:translateY(-50%) scale(1.1)}.products-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:3rem}.product-card{background:#fff;border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-md);transition:all .5s cubic-bezier(.4,0,.2,1);border:1px solid var(--border-light);position:relative;cursor:pointer}.product-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary-color),var(--secondary-color),var(--accent-color));background-size:200% 100%;transform:scaleX(0);transition:all .4s ease;animation:shimmer 2s infinite}.product-card:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#2563eb0d,#10b9810d);opacity:0;transition:opacity .3s ease;z-index:1}.product-card:hover:before{transform:scaleX(1)}.product-card:hover:after{opacity:1}.product-card:hover{transform:translateY(-15px) scale(1.03);box-shadow:0 25px 50px #00000026;border-color:var(--primary-light)}.product-image{width:100%;height:220px;object-fit:cover;transition:all .5s cubic-bezier(.4,0,.2,1);filter:brightness(1) contrast(1)}.product-card:hover .product-image{transform:scale(1.08);filter:brightness(1.1) contrast(1.1)}.product-info{padding:1.5rem}.product-info h3{font-size:1.25rem;font-weight:600;margin-bottom:.5rem;color:var(--text-primary)}.product-info p{color:var(--text-secondary);margin-bottom:1rem;line-height:1.5}.product-price{font-size:1.75rem;font-weight:800;color:var(--primary-color);margin-bottom:1.5rem;background:linear-gradient(135deg,var(--primary-color),var(--primary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:0 2px 4px rgba(37,99,235,.1)}.about{padding:100px 0;background:var(--bg-secondary);position:relative}.about:before{content:"";position:absolute;inset:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 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h4{font-size:1.125rem;font-weight:600;color:var(--text-primary);margin-bottom:.5rem;display:flex;align-items:center;gap:.5rem}.feature h4:before{content:"✓";color:var(--success-color);font-weight:700}.feature p{color:var(--text-secondary);margin:0;line-height:1.5}.about-img{width:100%;height:auto;border-radius:16px;box-shadow:var(--shadow-lg)}.contact{padding:100px 0;background:var(--bg-primary);position:relative}.contact:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#f8fafc,#e2e8f0);z-index:1}.contact .container{position:relative;z-index:2}.contact-content{display:grid;grid-template-columns:1fr 1fr;gap:4rem;margin-top:3rem}.contact-info{display:flex;flex-direction:column;gap:2rem}.contact-item h4{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin-bottom:.5rem}.contact-item p{color:var(--text-secondary);font-size:1.125rem}.contact-form{display:flex;flex-direction:column;gap:1.5rem;background:#fff;padding:2rem;border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);border:1px solid var(--border-light)}.contact-form input,.contact-form textarea{padding:16px 20px;border:2px solid var(--border-color);border-radius:var(--radius-md);font-size:1rem;transition:all .3s ease;font-family:inherit;background:var(--bg-secondary)}.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--primary-color);background:#fff;box-shadow:0 0 0 3px #2563eb1a;transform:translateY(-2px)}.contact-form textarea{resize:vertical;min-height:140px}.footer{background:var(--text-primary);color:#fff;padding:60px 0 20px}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-bottom:2rem}.footer-section h3,.footer-section h4{margin-bottom:1rem;color:#fff}.footer-section p{color:#d1d5db;line-height:1.6}.footer-section ul{list-style:none}.footer-section ul li{margin-bottom:.5rem}.footer-section ul li a{color:#d1d5db;text-decoration:none;transition:color .3s ease}.footer-section ul li a:hover{color:#fff}.footer-bottom{border-top:1px solid #374151;padding-top:2rem;text-align:center;color:#9ca3af}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInRight{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-50px)}to{opacity:1;transform:translate(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(50px)}to{opacity:1;transform:translate(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}@keyframes ripple{to{transform:scale(4);opacity:0}}.scroll-to-top{position:fixed;bottom:30px;right:30px;width:50px;height:50px;background:var(--primary-color);color:#fff;border:none;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);transition:all .3s cubic-bezier(.4,0,.2,1);opacity:0;visibility:hidden;transform:translateY(20px);z-index:1000}.scroll-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}.scroll-to-top:hover{background:var(--primary-dark);transform:translateY(-3px) scale(1.1);box-shadow:var(--shadow-xl)}.scroll-to-top:active{transform:translateY(-1px) scale(1.05)}.loading-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;z-index:10000;transition:all .5s ease;opacity:1;visibility:visible}.loading-overlay.hidden{opacity:0;visibility:hidden;transform:translateY(-20px)}.loading-container{text-align:center;color:var(--text-white);max-width:400px;padding:var(--space-2xl)}.loading-logo{margin-bottom:var(--space-xl);animation:logoFloat 3s ease-in-out infinite}.logo-image{width:100px;height:100px;border-radius:50%;object-fit:cover;box-shadow:0 10px 30px #0000004d;border:3px solid rgba(255,255,255,.2)}.loading-content{animation:fadeInUp .8s ease-out}.loading-title{font-size:var(--font-size-3xl);font-weight:700;margin-bottom:var(--space-md);color:var(--text-white);text-shadow:0 2px 4px rgba(0,0,0,.3);letter-spacing:-.01em}.loading-subtitle{font-size:var(--font-size-lg);color:#ffffffe6;margin-bottom:var(--space-xl);font-weight:400;line-height:var(--line-height-relaxed)}.loading-bar{width:100%;height:4px;background:#fff3;border-radius:var(--radius-full);overflow:hidden;margin-top:var(--space-lg)}.loading-progress{height:100%;background:linear-gradient(90deg,#fff,#f0f9ff);border-radius:var(--radius-full);width:0%;animation:loadingProgress 2s ease-in-out forwards;box-shadow:0 0 10px #ffffff4d}@keyframes logoFloat{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes loadingProgress{0%{width:0%}50%{width:60%}to{width:100%}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media(max-width:768px){.nav-menu{position:fixed;top:70px;left:-100%;width:100%;height:calc(100vh - 70px);background:#fffffffa;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);flex-direction:column;justify-content:flex-start;align-items:center;padding-top:2rem;transition:all .4s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-xl);z-index:999;overflow-y:auto}.nav-menu:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:#0000001a;opacity:0;transition:opacity .3s ease;z-index:-1}.nav-menu.active:before{opacity:1}.nav-menu.active{left:0;animation:slideInLeft .4s ease}.nav-menu li{margin:1.5rem 0;opacity:0;transform:translateY(30px);transition:all .4s cubic-bezier(.4,0,.2,1)}.nav-menu.active li{opacity:1;transform:translateY(0)}.nav-menu.active li:nth-child(1){transition-delay:.1s}.nav-menu.active li:nth-child(2){transition-delay:.2s}.nav-menu.active li:nth-child(3){transition-delay:.3s}.nav-menu.active li:nth-child(4){transition-delay:.4s}.nav-menu a{display:block;padding:1rem 2rem;font-size:1.2rem;font-weight:600;color:var(--text-primary);text-decoration:none;border-radius:12px;transition:all .3s ease;position:relative;overflow:hidden}.nav-menu a:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(37,99,235,.1),transparent);transition:left .5s}.nav-menu a:hover:before{left:100%}.nav-menu a:hover{background:var(--bg-accent);color:var(--primary-color);transform:translate(10px)}.nav-menu a:active{transform:translate(5px) scale(.98)}.nav-menu a.active{background:var(--primary-color);color:#fff;transform:translate(15px);box-shadow:var(--shadow-md)}.nav-menu a.active:before{background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent)}.nav-toggle{display:flex;flex-direction:column;gap:4px}.nav-toggle span{transition:all .3s ease}.nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.nav-toggle.active span:nth-child(2){opacity:0}.nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(7px,-6px)}.hero-container{grid-template-columns:1fr;text-align:center;gap:2rem}.hero-title{font-size:2.5rem}.about-content,.contact-content{grid-template-columns:1fr;gap:2rem}.hero-buttons{justify-content:center}}@media(max-width:480px){.hero-title,.section-title{font-size:2rem}.products-grid{grid-template-columns:1fr}}