:root{--bg-dark:#1B263B;--primary-blue:#00D4FF;--secondary-purple:#9D84FF;--text-white:#ffffff;--glass-bg:rgba(255,255,255,0.08);--glass-border:rgba(255,255,255,0.15)}*{margin:0;padding:0;box-sizing:border-box;font-family:Vazirmatn,sans-serif}body{background-color:var(--bg-dark);color:var(--text-white);overflow-x:hidden;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 0),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 0),radial-gradient(circle at 50% 0,#2c3e5e 0,#1B263B 100%);background-size:40px 40px,40px 40px,100% 100%;background-attachment:fixed}#canvas-container{position:absolute;top:0;left:0;width:100%;height:100%;z-index:0;pointer-events:none}header{position:fixed;top:0;width:100%;padding:1.5rem 5%;justify-content:space-between;z-index:100;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--glass-border);transition:all .3s ease;background:rgba(27,38,59,1)}.logo,header{display:flex;align-items:center}.logo{font-size:1.5rem;font-weight:900;color:var(--text-white);letter-spacing:1px;gap:10px}.logo span{color:var(--primary-blue)}nav ul{display:flex;gap:2rem;list-style:none}nav a{color:rgba(255,255,255,.8);text-decoration:none;font-size:.95rem;transition:.3s;position:relative}nav a:hover{color:var(--primary-blue);text-shadow:0 0 10px rgba(0,212,255,.5)}.cta-btn-header{background:rgba(0,212,255,.1);border:1px solid var(--primary-blue);color:var(--primary-blue);padding:.6rem 1.5rem;border-radius:8px;font-size:.9rem;cursor:pointer;transition:.3s}.cta-btn-header:hover{background:var(--primary-blue);color:#000;box-shadow:0 0 20px rgba(0,212,255,.4)}.hero{height:100vh;display:flex;align-items:center;justify-content:space-between;padding:0 10%;position:relative;background:radial-gradient(circle at 70% 30%,#23304c 0,#162035 100%);overflow:hidden}.hero-content{max-width:600px;z-index:2}.atom-container,.hero-content{z-index:2;position:relative}.hero-badge{display:inline-block;padding:5px 15px;background:rgba(123,97,255,.2);border:1px solid var(--secondary-purple);border-radius:50px;color:var(--secondary-purple);font-size:.85rem}.hero-badge,h1{margin-bottom:1.5rem}h1{font-size:3.5rem;line-height:1.3;font-weight:800}h1 span{background:linear-gradient(90deg,var(--primary-blue),var(--secondary-purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-desc{font-size:1.1rem;color:rgba(255,255,255,.7);line-height:1.8;margin-bottom:2.5rem}.hero-btns{display:flex;gap:1.5rem}.btn-primary{background:linear-gradient(45deg,var(--primary-blue),#00aaff);color:#000;padding:1rem 2.5rem;border-radius:12px;font-weight:700;text-decoration:none;box-shadow:0 0 25px rgba(0,212,255,.3);transition:.3s;border:none;cursor:pointer}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 0 40px rgba(0,212,255,.6)}.btn-secondary{background:transparent;color:var(--text-white);padding:1rem 2.5rem;border-radius:12px;font-weight:500;text-decoration:none;border:1px solid rgba(255,255,255,.3);transition:.3s;cursor:pointer}.btn-secondary:hover{border-color:var(--text-white);background:rgba(255,255,255,.05)}.atom-container{position:relative;width:400px;height:400px;display:flex;justify-content:center;align-items:center}.core{width:50px;height:50px;background:var(--primary-blue);box-shadow:0 0 50px var(--primary-blue);z-index:10}.core,.orbit{border-radius:50%;position:absolute}.orbit{width:100%;height:100%;border:2px solid rgba(0,212,255,.3);transform-style:preserve-3d}.orbit:first-child{animation:rotate1 4s linear infinite}.orbit:nth-child(2){animation:rotate2 5s linear infinite;width:80%;height:80%}.orbit:nth-child(3){animation:rotate3 6s linear infinite;width:60%;height:60%}.electron{width:15px;height:15px;background:var(--secondary-purple);border-radius:50%;position:absolute;top:50%;left:-7px;box-shadow:0 0 15px var(--secondary-purple)}@keyframes rotate1{0%{transform:rotate(0deg) rotateX(60deg)}to{transform:rotate(1turn) rotateX(60deg)}}@keyframes rotate2{0%{transform:rotate(0deg) rotateX(-60deg)}to{transform:rotate(1turn) rotateX(-60deg)}}@keyframes rotate3{0%{transform:rotate(0deg) rotateY(60deg)}to{transform:rotate(1turn) rotateY(60deg)}}@media (max-width:768px){.hero{flex-direction:column;justify-content:center;text-align:center;padding-top:100px}.atom-container,nav ul{display:none}.hero-btns{justify-content:center}h1{font-size:2.5rem}}.trust-section{background:rgba(255,255,255,.03);border-bottom:1px solid rgba(255,255,255,.1);padding:2.5rem 0;margin-bottom:2rem}.trust-grid{display:flex;justify-content:center;gap:3rem;flex-wrap:wrap}.trust-item{font-size:1.1rem;font-weight:500;color:rgba(255,255,255,.6);display:flex;align-items:center;gap:8px;padding:10px 20px;border-radius:50px;transition:all .3s ease;border:1px solid transparent}.trust-item:hover{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.2);color:#fff;transform:translateY(-3px)}.courses-section{padding:5rem 10%;position:relative}.section-header{text-align:center;margin-bottom:4rem}.section-title{font-size:2.5rem;margin-bottom:1rem}.section-subtitle{color:var(--primary-blue);font-size:1.1rem}.courses-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));grid-gap:2rem;gap:2rem}.course-card{border-radius:20px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:.4s ease;overflow:hidden;position:relative;padding:2.5rem 1.5rem 1.5rem;display:flex;flex-direction:column;background:linear-gradient(145deg,rgba(255,255,255,.1),rgba(255,255,255,.05));border:1px solid rgba(255,255,255,.15);box-shadow:0 8px 32px 0 rgba(0,0,0,.2)}.course-card:hover{border-color:var(--primary-blue);box-shadow:0 0 30px rgba(0,212,255,.15);transform:translateY(-10px)}.course-image{width:100%;height:180px;background:linear-gradient(180deg,#1a2342,#0f152a);border-radius:12px;margin-bottom:1.5rem;display:flex;align-items:center;justify-content:center;font-size:3rem;color:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.05)}.course-badge{position:absolute;top:15px;left:15px;right:auto;padding:6px 14px;border-radius:8px;font-size:.75rem;font-weight:700;white-space:nowrap;z-index:10;background:rgba(11,16,33,.8);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);box-shadow:0 4px 10px rgba(0,0,0,.2)}.course-title{font-size:1.3rem;margin-bottom:.5rem}.course-info{color:rgba(255,255,255,.6);font-size:.9rem;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid rgba(255,255,255,.1)}.course-footer,.course-info{display:flex;justify-content:space-between}.course-footer{align-items:center}.price{font-size:1.2rem;font-weight:700;color:var(--text-white)}.btn-card{color:var(--primary-blue);text-decoration:none;font-size:.9rem;font-weight:700;display:flex;align-items:center;gap:5px;transition:.3s}.btn-card:hover{color:var(--text-white);gap:10px}.content-box h2{color:var(--primary-blue);font-size:1.2rem;margin-bottom:10px}.content-box p{color:rgba(255,255,255,.7);font-size:.9rem}.content-box{padding:20px 30px;background:rgba(255,255,255,.05);border-radius:15px;position:relative;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);transition:.3s}.content-box:hover{border-color:var(--primary-blue);transform:scale(1.02);box-shadow:0 5px 20px rgba(0,0,0,.3)}.roadmap-section{padding:5rem 0;position:relative;background:var(--bg-dark);overflow:hidden}.timeline-wrapper{position:relative;max-width:1000px;margin:0 auto;direction:ltr}.timeline-line{position:absolute;width:4px;background:linear-gradient(180deg,var(--primary-blue),var(--secondary-purple));top:0;bottom:0;left:50%;transform:translateX(-50%);border-radius:10px;box-shadow:0 0 15px rgba(0,212,255,.5);z-index:0}.timeline-row{display:flex;justify-content:center;align-items:center;margin-bottom:3rem;position:relative;opacity:0;transform:translateY(30px);transition:all .6s ease-out}.timeline-row.visible{opacity:1;transform:translateY(0)}.timeline-half{width:50%;padding:0 40px;box-sizing:border-box;position:relative}.timeline-content{direction:rtl;text-align:right;background:linear-gradient(145deg,rgba(40,55,85,.9),rgba(30,45,70,.8));border:1px solid rgba(255,255,255,.1);border-radius:15px;padding:20px;position:relative;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);transition:.3s}.timeline-content:hover{border-color:var(--primary-blue);transform:scale(1.02);box-shadow:0 5px 20px rgba(0,212,255,.1)}.timeline-dot{position:absolute;width:20px;height:20px;background:var(--bg-dark);border:3px solid var(--primary-blue);border-radius:50%;z-index:2;box-shadow:0 0 15px var(--primary-blue);left:50%;transform:translateX(-50%)}@media (max-width:768px){.timeline-line{left:30px}.timeline-row{flex-direction:column;align-items:flex-start;margin-bottom:2rem}.timeline-half{width:100%;padding-left:60px;padding-right:20px}.timeline-half:empty{display:none}.timeline-dot{left:30px}}.search-hero{padding:3rem 10% 2rem;text-align:center;border-bottom:1px solid rgba(255,255,255,.1);background:radial-gradient(circle at 50% -50%,rgba(0,212,255,.15) 0,transparent 70%);margin-bottom:2rem}.search-box{max-width:600px;margin:20px auto 0;position:relative}.search-input{width:100%;padding:15px 20px 15px 50px;border-radius:50px;border:1px solid #00d4ff;background:rgba(11,16,33,.6);color:#fff;font-size:1rem;box-shadow:0 0 20px rgba(0,212,255,.2);outline:none;transition:.3s;text-align:right}.search-input:focus{box-shadow:0 0 30px rgba(0,212,255,.4);background:rgba(11,16,33,.9)}.search-icon{position:absolute;left:20px;top:50%;transform:translateY(-50%);color:#00D4FF}.container-courses{display:flex;gap:3rem;padding:0 5% 3rem;min-height:100vh}aside.filters{width:280px;flex-shrink:0;position:-webkit-sticky;position:sticky;top:100px;height:-moz-fit-content;height:fit-content}.filter-group{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.1);border-radius:15px;padding:1.5rem;margin-bottom:1.5rem}.filter-title{font-weight:700;margin-bottom:1rem;color:#fff;border-bottom:1px solid rgba(255,255,255,.05);padding-bottom:.5rem}.checkbox-item{display:flex;align-items:center;gap:10px;margin-bottom:10px;cursor:pointer;color:rgba(255,255,255,.7);transition:.2s;font-size:.9rem}.checkbox-item:hover{color:#fff}input[type=checkbox]{display:none}.custom-checkbox{width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:.7rem;color:transparent;transition:.2s}input[type=checkbox]:checked+.custom-checkbox{background:#00D4FF;border-color:#00D4FF;color:#000}.courses-grid-page{flex:1 1;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:2rem;gap:2rem;align-content:start}@media (max-width:900px){.container-courses{flex-direction:column}aside.filters{width:100%;position:static}}.course-header-single{padding:3rem 0;background:linear-gradient(90deg,rgba(11,16,33,.95),rgba(27,38,59,.95));border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:3rem}.breadcrumb{font-size:.85rem;color:rgba(255,255,255,.6);margin-bottom:1rem}.course-title-large{font-size:2.2rem;font-weight:800;margin-bottom:1rem;line-height:1.4;color:#fff}.course-badges{display:flex;gap:10px;margin-bottom:1.5rem}.badge{padding:5px 12px;border-radius:6px;font-size:.8rem;border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.8)}.badge.update{border-color:#00E676;color:#00E676;background:rgba(0,230,118,.1)}.course-meta-top{display:flex;gap:2rem;color:rgba(255,255,255,.7);font-size:.9rem;flex-wrap:wrap}.star-rating{color:#FFD700;font-weight:700}.single-container{display:grid;grid-template-columns:2fr 1fr;grid-gap:3rem;gap:3rem;padding:0 5%;max-width:1400px;margin:0 auto;position:relative}.tabs{display:flex;gap:2rem;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:2rem}.tab-btn{padding:15px 0;background:none;border:none;color:rgba(255,255,255,.6);font-size:1.1rem;cursor:pointer;position:relative;transition:.3s}.tab-btn.active{color:#00D4FF;font-weight:700}.tab-btn.active:after{content:"";position:absolute;bottom:-1px;left:0;width:100%;height:3px;background:#00D4FF;box-shadow:0 0 10px #00D4FF}.content-box{background:rgba(255,255,255,.02);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:2rem;margin-bottom:2rem}.box-title{color:#fff;margin-bottom:1rem;font-size:1.2rem}.text-muted{color:rgba(255,255,255,.7)}.learn-list{display:grid;grid-template-columns:1fr 1fr;grid-gap:15px;gap:15px;margin-top:1rem}.learn-item{display:flex;gap:10px;font-size:.95rem;color:rgba(255,255,255,.8)}.check-icon{color:#00E676}.accordion-item{border:1px solid rgba(255,255,255,.1);border-radius:12px;margin-bottom:10px;overflow:hidden}.accordion-header{background:rgba(255,255,255,.03);padding:15px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:#fff;transition:.2s}.accordion-header:hover{background:rgba(255,255,255,.06)}.accordion-content{padding:0;background:rgba(0,0,0,.2);border-top:1px solid rgba(255,255,255,.05)}.lesson-row{padding:15px 20px;border-bottom:1px solid rgba(255,255,255,.05);display:flex;justify-content:space-between;font-size:.9rem;color:rgba(255,255,255,.6)}.lesson-row:hover{color:#fff;background:rgba(255,255,255,.02)}.sidebar-col{position:-webkit-sticky;position:sticky;top:120px;height:-moz-fit-content;height:fit-content}.purchase-card{background:linear-gradient(145deg,rgba(30,41,65,.9),rgba(20,28,48,.9));border:1px solid rgba(0,212,255,.3);border-radius:20px;overflow:hidden;box-shadow:0 0 40px rgba(0,0,0,.3);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.preview-video{width:100%;height:200px;background:#000;position:relative;cursor:pointer}.play-btn-large,.preview-video{display:flex;align-items:center;justify-content:center}.play-btn-large{width:60px;height:60px;background:rgba(0,212,255,.8);border-radius:50%;font-size:2rem;color:#fff;box-shadow:0 0 20px #00D4FF;transition:.3s}.preview-video:hover .play-btn-large{transform:scale(1.1)}.fade-in{animation:fadeIn .4s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@media (max-width:900px){.single-container{grid-template-columns:1fr}.sidebar-col{position:static;order:-1;margin-bottom:2rem}.learn-list{grid-template-columns:1fr}}