:root{--color-primary:#0a365c;--color-primary-light:#155084;--color-secondary:teal;--color-secondary-hover:#066;--color-accent:#d4af37;--color-dark:#1f2937;--color-gray:#4b5563;--color-light-gray:#f3f4f6;--color-white:#fff;--font-heading:"Outfit", sans-serif;--font-body:"Inter", sans-serif;--font-body-bangla:"Tiro Bangla", serif;--container-width:1200px;--section-padding:80px 0;--box-shadow:0 10px 30px #0a365c14;--box-shadow-hover:0 20px 40px #0a365c26;--transition-fast:.3s ease;--transition-slow:.5s cubic-bezier(.25, .8, .25, 1);--border-radius-sm:8px;--border-radius-md:16px;--border-radius-lg:24px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-body);color:var(--color-gray);background-color:var(--color-white);line-height:1.6;overflow-x:hidden}body.lang-bn,body[lang=bn]{--font-body:var(--font-body-bangla);font-family:var(--font-body-bangla)}body.lang-bn p,body[lang=bn] p,body.lang-bn span,body[lang=bn] span,body.lang-bn div,body[lang=bn] div{font-family:var(--font-body-bangla)}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:var(--color-dark);margin-bottom:1rem;line-height:1.2}a{color:inherit;transition:var(--transition-fast);text-decoration:none}ul{list-style:none}img{max-width:100%;height:auto;display:block}.container{max-width:var(--container-width);width:100%;margin:0 auto;padding:0 20px}.section{padding:var(--section-padding)}.bg-light{background-color:var(--color-light-gray)}.text-center{text-align:center}.mt-4{margin-top:1.5rem}.mt-5{margin-top:3rem}.btn{font-weight:600;font-family:var(--font-heading);cursor:pointer;transition:var(--transition-fast);text-transform:uppercase;letter-spacing:.5px;border:none;border-radius:50px;justify-content:center;align-items:center;gap:8px;padding:12px 28px;font-size:.9rem;display:inline-flex}.btn-primary{background-color:var(--color-secondary);color:var(--color-white)}.btn-primary:hover{background-color:var(--color-secondary-hover);transform:translateY(-3px);box-shadow:0 10px 20px #0080804d}.btn-secondary{background-color:var(--color-white);color:var(--color-primary)}.btn-secondary:hover{background-color:var(--color-primary);color:var(--color-white);transform:translateY(-3px);box-shadow:0 10px 20px #0a365c33}.btn-outline{color:var(--color-primary);border:2px solid var(--color-primary);background-color:#0000}.btn-outline:hover{background-color:var(--color-primary);color:var(--color-white)}.btn-large{padding:16px 36px;font-size:1rem}.btn-glow{z-index:1;position:relative}.btn-glow:before{content:"";background:var(--color-secondary);z-index:-1;filter:blur(15px);opacity:0;transition:var(--transition-fast);border-radius:50px;position:absolute;inset:0}.btn-glow:hover:before{opacity:.6}.top-bar{background-color:var(--color-primary);color:#fffc;padding:10px 0;font-size:.85rem}.top-bar-content{justify-content:space-between;align-items:center;display:flex}.contact-info{gap:20px;display:flex}.contact-info span i{color:var(--color-accent);margin-right:5px}.social-links a{color:#fffc;margin-left:15px}.social-links a:hover{color:var(--color-accent)}.social-links{align-items:center;gap:15px;display:flex}.main-header{background-color:var(--color-white);z-index:1000;transition:var(--transition-fast);position:sticky;top:0;box-shadow:0 2px 20px #0000000d}.header-container{justify-content:space-between;align-items:center;height:80px;display:flex}.logo-text{font-family:var(--font-heading);color:var(--color-primary);text-align:center;font-size:1.5rem;font-weight:800;line-height:1}.logo .accent{color:var(--color-secondary)}.logo>img{width:70px}.logo{justify-content:space-between;align-items:center;gap:10px;display:flex}.nav-list{gap:30px;display:flex}.nav-link{color:var(--color-dark);padding:10px 0;font-weight:500;position:relative}.nav-link:after{content:"";background-color:var(--color-secondary);width:0;height:2px;transition:var(--transition-fast);position:absolute;bottom:0;left:0}.nav-link:hover:after,.nav-link.active:after{width:100%}.nav-link:hover,.nav-link.active{color:var(--color-secondary)}.mobile-menu-toggle{color:var(--color-primary);cursor:pointer;background:0 0;border:none;font-size:1.5rem;display:none}.hero-section{align-items:center;height:calc(100vh - 120px);min-height:600px;display:flex;position:relative;overflow:hidden}.hero-slider-container{z-index:0;width:100%;height:100%;position:absolute;top:0;left:0}.hero-slide{opacity:0;background-position:50%;background-size:cover;background-attachment:fixed;width:100%;height:100%;transition:opacity 1.5s ease-in-out;position:absolute;top:0;left:0}.hero-slide.active{opacity:1}.hero-overlay{z-index:1;background:linear-gradient(135deg,#0a365ce6 0%,#008080b3 100%);position:absolute;inset:0}.hero-container{z-index:2;position:relative}.hero-content{max-width:650px;color:var(--color-white)}.badge{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);text-transform:uppercase;letter-spacing:1px;background:#ffffff1a;border:1px solid #fff3;border-radius:50px;margin-bottom:20px;padding:6px 16px;font-size:.85rem;font-weight:600;display:inline-block}.hero-title{color:var(--color-white);margin-bottom:20px;font-size:4rem}.text-gradient{background:linear-gradient(to right, #fff, var(--color-accent));-webkit-text-fill-color:transparent;-webkit-background-clip:text}.hero-subtitle{opacity:.9;max-width:550px;margin-bottom:40px;font-size:1.1rem}.hero-buttons{gap:20px;display:flex}.hero-shape-divider{z-index:2;width:100%;line-height:0;position:absolute;bottom:0;left:0;overflow:hidden;transform:rotate(180deg)}.hero-shape-divider svg{width:calc(100% + 1.3px);height:60px;display:block;position:relative}.hero-shape-divider .shape-fill{fill:var(--color-white)}.about-container{grid-template-columns:1fr 1fr;align-items:center;gap:60px;display:grid}.about-image-wrapper{position:relative}.image-box{border-radius:var(--border-radius-lg);box-shadow:var(--box-shadow);position:relative;overflow:hidden}.image-box img{width:100%;transition:transform .5s}.image-box:hover img{transform:scale(1.05)}.experience-badge{background-color:var(--color-primary);color:var(--color-white);text-align:center;box-shadow:var(--box-shadow-hover);border:5px solid var(--color-white);border-radius:50%;padding:30px;position:absolute;bottom:-20px;right:-20px}.experience-badge .number{font-family:var(--font-heading);color:var(--color-accent);font-size:2.5rem;font-weight:800;line-height:1;display:block}.experience-badge .text{text-transform:uppercase;letter-spacing:1px;font-size:.85rem;font-weight:500}.section-header{margin-bottom:30px}.section-subtitle{color:var(--color-secondary);text-transform:uppercase;letter-spacing:2px;margin-bottom:10px;font-size:.9rem;display:inline-block;position:relative}.section-subtitle:after{content:"";background-color:var(--color-accent);width:30px;height:2px;position:absolute;top:50%;right:-40px}.text-center .section-subtitle:before{content:"";background-color:var(--color-accent);width:30px;height:2px;position:absolute;top:50%;left:-40px}.section-title{font-size:2.5rem}.about-text{margin-bottom:20px}.feature-list{margin-bottom:30px}.feature-list li{color:var(--color-dark);align-items:center;gap:10px;margin-bottom:12px;font-weight:500;display:flex}.feature-list i{color:var(--color-secondary);font-size:1.2rem}.courses-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:30px;margin-top:50px;display:grid}.course-card{background:var(--color-white);border-radius:var(--border-radius-md);box-shadow:var(--box-shadow);transition:var(--transition-slow);z-index:1;padding:40px 30px;position:relative;overflow:hidden}.course-card:before{content:"";background:linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);z-index:-1;width:100%;height:0;transition:var(--transition-slow);position:absolute;top:0;left:0}.course-card:hover{box-shadow:var(--box-shadow-hover);transform:translateY(-10px)}.course-card:hover:before{height:100%}.course-card:hover *{color:var(--color-white)}.course-icon{width:70px;height:70px;color:var(--color-secondary);transition:var(--transition-fast);background-color:#0080801a;border-radius:50%;justify-content:center;align-items:center;margin-bottom:20px;font-size:2rem;display:flex}.course-card:hover .course-icon{color:var(--color-white);background-color:#fff3}.course-category{text-transform:uppercase;letter-spacing:1px;color:var(--color-accent);margin-bottom:10px;font-size:.8rem;font-weight:600;display:block}.course-title{margin-bottom:15px;font-size:1.4rem}.course-desc{margin-bottom:25px;font-size:.95rem}.course-link{color:var(--color-secondary);align-items:center;gap:5px;font-weight:600;display:inline-flex}.course-card:hover .course-link{color:var(--color-accent)}.course-link i{transition:transform var(--transition-fast)}.course-card:hover .course-link i{transform:translate(5px)}.blog-card{background:var(--color-white);border-radius:var(--border-radius-md);box-shadow:var(--box-shadow);transition:var(--transition-slow);z-index:1;flex-direction:column;display:flex;position:relative;overflow:hidden}.blog-card:before{content:"";background:linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);z-index:-1;width:100%;height:0;transition:var(--transition-slow);position:absolute;top:0;left:0}.blog-card:hover{box-shadow:var(--box-shadow-hover);transform:translateY(-10px)}.blog-card:hover:before{height:100%}.blog-card:hover *{color:var(--color-white)}.blog-card-image{object-fit:cover;background-color:var(--color-light-gray);border-bottom:1px solid #0000000d;width:100%;height:220px}.blog-card-content{flex-direction:column;flex-grow:1;padding:30px;display:flex}.blog-card:hover .course-link{color:var(--color-accent)}.blog-card:hover .course-link i{transform:translate(5px)}.blog-card .course-desc{-webkit-line-clamp:3;text-overflow:ellipsis;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.cta-section{background-color:var(--color-primary);background-image:linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);color:var(--color-white);text-align:center;padding:100px 0;position:relative;overflow:hidden}.cta-section:before,.cta-section:after{content:"";background:#ffffff0d;border-radius:50%;width:300px;height:300px;position:absolute}.cta-section:before{top:-100px;left:-100px}.cta-section:after{bottom:-100px;right:-100px}.cta-content{z-index:2;max-width:800px;margin:0 auto;position:relative}.cta-content h2{color:var(--color-white);font-size:2.8rem}.cta-content p{opacity:.9;margin-bottom:40px;font-size:1.1rem}.stats-row{flex-wrap:wrap;justify-content:center;gap:60px;margin-bottom:40px;display:flex}.stat-item{text-align:center}.stat-number{color:var(--color-accent);margin-bottom:0;font-size:3.5rem;line-height:1}.stat-label{text-transform:uppercase;letter-spacing:1px;font-size:1.1rem;font-weight:500}.main-footer{background-color:var(--color-dark);color:#ffffffb3;padding-top:80px}.footer-grid{grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px;margin-bottom:60px;display:grid}.footer-logo{margin-bottom:20px;display:inline-block}.footer-logo .logo-text{color:var(--color-white)}.footer-text{margin-bottom:20px}.footer-socials a{width:40px;height:40px;transition:var(--transition-fast);background:#ffffff1a;border-radius:50%;justify-content:center;align-items:center;margin-right:10px;display:inline-flex}.footer-socials a:hover{background:var(--color-secondary);color:var(--color-white);transform:translateY(-3px)}.footer-heading{color:var(--color-white);margin-bottom:25px;font-size:1.2rem;display:inline-block;position:relative}.footer-heading:after{content:"";background-color:var(--color-accent);width:30px;height:2px;position:absolute;bottom:-8px;left:0}.footer-links li{margin-bottom:12px}.footer-links a:hover{color:var(--color-accent);padding-left:5px}.footer-contact li{gap:15px;margin-bottom:15px;display:flex}.footer-contact i{color:var(--color-accent);margin-top:5px}.footer-bottom{border-top:1px solid #ffffff1a;justify-content:space-between;align-items:center;padding:25px 0;font-size:.9rem;display:flex}.fade-in-up{opacity:0;transition:opacity .8s ease-out,transform .8s ease-out;transform:translateY(30px)}.fade-in-left{opacity:0;transition:opacity .8s ease-out,transform .8s ease-out;transform:translate(-30px)}.fade-in-right{opacity:0;transition:opacity .8s ease-out,transform .8s ease-out;transform:translate(30px)}.is-visible{opacity:1;transform:translate(0)}@media (max-width:992px){.hero-title{font-size:3rem}.about-container{grid-template-columns:1fr;gap:40px}.about-image-wrapper{max-width:500px;margin:0 auto}.experience-badge{right:0}.footer-grid{grid-template-columns:1fr 1fr}}@media (max-width:768px){.contact-info span:nth-child(2),.contact-info span:nth-child(3){display:none}.nav-list{background:var(--color-white);width:100%;height:calc(100vh - 80px);transition:var(--transition-fast);flex-direction:column;justify-content:center;align-items:center;gap:20px;position:fixed;top:80px;left:-100%;box-shadow:0 10px 20px #0000001a}.nav-list.active{left:0}.mobile-menu-toggle{display:block}.header-actions .btn{display:none}.hero-title{font-size:2.5rem}.hero-buttons{flex-direction:column}.stats-row{flex-direction:column;gap:30px}.footer-grid{grid-template-columns:1fr}.footer-bottom{text-align:center;flex-direction:column;gap:10px}}.course-hero{background:linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);color:var(--color-white);text-align:center;padding:80px 0 60px}.course-hero h1{color:var(--color-white);margin-bottom:15px;font-size:3rem}.course-hero p{opacity:.9;max-width:700px;margin:0 auto;font-size:1.1rem}.course-page-container{max-width:var(--container-width);grid-template-columns:2fr 1fr;gap:50px;margin:0 auto;padding:60px 20px;display:grid}.course-main h2{color:var(--color-primary);margin-top:30px;margin-bottom:20px}.course-main h3{margin-top:25px;margin-bottom:15px;font-size:1.3rem}.course-main p{margin-bottom:15px;font-size:1.05rem}.course-main ul{margin-bottom:20px;padding-left:20px}.course-main ul li{margin-bottom:10px;padding-left:25px;position:relative}.course-main ul li:before{content:"";color:var(--color-secondary);font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;top:2px;left:0}.course-sidebar-widget{background:var(--color-light-gray);border-radius:var(--border-radius-md);margin-bottom:30px;padding:30px}.course-info-list{margin-bottom:20px;padding:0;list-style:none}.course-info-list li{border-bottom:1px solid #0000000d;justify-content:space-between;padding:12px 0;font-weight:500;display:flex}.course-info-list li:last-child{border-bottom:none}.course-info-list i{color:var(--color-accent);width:25px}@media (max-width:992px){.course-page-container{grid-template-columns:1fr}.course-hero h1{font-size:2.5rem}}.language-toggle-wrapper{align-items:center;display:flex}.language-toggle{cursor:pointer;width:120px;height:36px;transition:all var(--transition-fast);background:linear-gradient(135deg,#e0e7ff 0%,#f0f4ff 100%);border:1.5px solid #c7d2e8;border-radius:22px;justify-content:space-between;align-items:center;padding:0 12px;font-weight:700;display:flex;position:relative;box-shadow:inset 0 1px 3px #0000000f}.language-toggle:hover{border-color:#b5c6e0;box-shadow:inset 0 1px 3px #00000014,0 3px 8px #0a365c1a}.language-toggle.en-mode{background:linear-gradient(135deg,#0a365c 0%,#155084 100%);border-color:#0a365c}.language-toggle.bn-mode{background:linear-gradient(135deg,teal 0%,#099 100%);border-color:teal}.toggle-track{display:none}.toggle-thumb{z-index:2;background:#fff;border-radius:18px;width:56px;height:28px;transition:all .5s;position:absolute;top:50%;left:4px;right:auto;transform:translateY(-50%);box-shadow:0 2px 8px #0000002e}.language-toggle.en-mode .toggle-thumb{left:auto;right:4px}.toggle-label{z-index:3;transition:opacity var(--transition-fast);opacity:.5;white-space:nowrap;font-size:11px;font-weight:700;line-height:1;position:relative}.toggle-label.en{color:#0a365c;text-align:left;width:55px}.toggle-label.bn{color:teal;text-align:right;width:42px}.language-toggle.en-mode .toggle-label.en{opacity:1;color:#fff}.language-toggle.en-mode .toggle-label.bn{opacity:.4;color:#fff}.language-toggle.bn-mode .toggle-label.bn{opacity:1;color:#fff}.language-toggle.bn-mode .toggle-label.en{opacity:.4;color:#fff}.language-toggle:active{transform:scale(.97)}.enrollment-form-container{background:var(--color-white);border-radius:var(--border-radius-md);box-shadow:var(--box-shadow);margin-top:30px;padding:25px}.form-heading{color:var(--color-primary);border-bottom:2px solid var(--color-light-gray);margin-bottom:20px;padding-bottom:10px;font-size:1.4rem}.form-group{margin-bottom:15px}.form-group label{color:var(--color-dark);margin-bottom:5px;font-size:.95rem;font-weight:500;display:block}.form-group .required{color:#e74c3c}.form-group input,.form-group textarea{border-radius:var(--border-radius-sm);width:100%;font-family:var(--font-body);transition:var(--transition-fast);border:1px solid #ddd;padding:12px 15px;font-size:1rem}.form-group input:focus,.form-group textarea:focus{border-color:var(--color-secondary);outline:none;box-shadow:0 0 0 3px #0080801a}.form-submit-btn{width:100%;margin-top:10px}.form-alert{border-radius:var(--border-radius-sm);align-items:center;gap:10px;margin-bottom:20px;padding:15px;display:flex}.form-alert.success{color:#155724;background-color:#d4edda;border:1px solid #c3e6cb}.form-alert.error{color:#721c24;background-color:#f8d7da;border:1px solid #f5c6cb}.form-notice{color:var(--color-gray);text-align:center;margin-top:15px;font-size:.8rem}.form-notice a{color:var(--color-secondary);text-decoration:underline}.form-notice code{background:var(--color-light-gray);border-radius:4px;padding:2px 5px}.contact-section{padding:100px 0}.contact-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:30px;margin-top:50px;display:grid}.institute-card{background:var(--color-white);border-radius:var(--border-radius-md);box-shadow:var(--box-shadow);transition:var(--transition-slow);text-align:center;border-top:4px solid var(--color-primary);padding:35px 25px}.institute-card:hover{box-shadow:var(--box-shadow-hover);border-top-color:var(--color-accent);transform:translateY(-8px)}.institute-icon-box{background-color:var(--color-light-gray);border-radius:50%;justify-content:center;align-items:center;width:80px;height:80px;margin:0 auto 20px;padding:15px;display:flex}.institute-icon-box img{object-fit:contain;max-width:100%;max-height:100%}.institute-title{color:var(--color-dark);justify-content:center;align-items:center;min-height:50px;margin-bottom:20px;font-size:1.25rem;display:flex}.contact-info-list{text-align:left;margin:0;padding:0}.contact-info-list li{color:var(--color-gray);align-items:flex-start;gap:12px;margin-bottom:15px;font-size:.95rem;display:flex}.contact-info-list li:last-child{margin-bottom:0}.contact-info-list li i{color:var(--color-secondary);text-align:center;width:16px;margin-top:4px}.contact-info-list li span{flex:1}.institute-slider-container{white-space:nowrap;width:100%;margin-top:50px;padding:20px 0;position:relative;overflow:hidden}.institute-slider-container:before,.institute-slider-container:after{content:"";z-index:2;width:150px;height:100%;position:absolute;top:0}.institute-slider-container:before{background:linear-gradient(to right, var(--color-light-gray) 0%, transparent 100%);left:0}.institute-slider-container:after{background:linear-gradient(to left, var(--color-light-gray) 0%, transparent 100%);right:0}.institute-slider-track{animation:40s linear infinite infinite-scroll;display:inline-flex}.institute-slider-track:hover{animation-play-state:paused}.institute-slide-card{background:var(--color-white);border-radius:var(--border-radius-md);box-shadow:var(--box-shadow);white-space:normal;text-align:center;border-top:3px solid var(--color-primary);width:280px;transition:var(--transition-fast);flex-direction:column;justify-content:center;align-items:center;margin:0 15px;padding:25px 20px;display:inline-flex}.institute-slide-card:hover{box-shadow:var(--box-shadow-hover);border-top-color:var(--color-accent);transform:translateY(-5px)}.slide-icon-box{justify-content:center;align-items:center;width:90px;height:90px;margin-bottom:15px;display:flex}.slide-icon-box img{object-fit:contain;max-width:100%;max-height:100%}.slide-title{color:var(--color-dark);margin-bottom:10px;font-size:1.1rem;font-weight:700;line-height:1.3}.slide-location{color:var(--color-gray);align-items:center;gap:6px;margin:0;font-size:.9rem;display:flex}.slide-location i{color:var(--color-secondary)}@keyframes infinite-scroll{0%{transform:translate(0)}to{transform:translate(-50%)}}@media (max-width:768px){.institute-slider-container:before,.institute-slider-container:after{width:50px}}