*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #9d4edd;--secondary-color: #c77dff;--accent-color: #7b2cbf;--bg-dark: #1a0a2e;--bg-card: rgba(30, 15, 50, .85);--text-primary: #ffffff;--text-secondary: #e0c4ff;--purple-glow: #9d4edd;--purple-dark: #240046;--transition: all .3s cubic-bezier(.4, 0, .2, 1)}html{scroll-behavior:smooth}body{font-family:Vazirmatn,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--bg-dark);color:var(--text-primary);overflow-x:hidden;line-height:1.6}.lang-toggle{position:fixed;top:2rem;right:2rem;z-index:1000;background:var(--bg-card);border:2px solid var(--primary-color);border-radius:50px;padding:.75rem 1.5rem;display:flex;align-items:center;gap:.5rem;cursor:pointer;color:var(--text-primary);font-size:1rem;font-weight:600;transition:var(--transition);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 4px 20px #9d4edd4d}.lang-toggle:hover{background:var(--primary-color);color:#fff;transform:translateY(-3px);box-shadow:0 8px 30px #9d4edd80}.lang-icon{width:1.2rem;height:1.2rem}.lang-text{font-family:Vazirmatn,Segoe UI,Tahoma,Geneva,Verdana,sans-serif}#bg-canvas{position:fixed;top:0;left:0;width:100%;height:100%;z-index:-1;background:linear-gradient(135deg,#1a0a2e,#240046,#1a0a2e)}#bg-canvas:after{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background-image:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(157,78,221,.03) 2px,rgba(157,78,221,.03) 4px),repeating-linear-gradient(90deg,transparent,transparent 2px,rgba(157,78,221,.03) 2px,rgba(157,78,221,.03) 4px);pointer-events:none}.container{position:relative;z-index:1;width:100%}.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem;position:relative}.hero-content{max-width:1200px;margin:0 auto;display:flex;flex-direction:row;align-items:center;gap:3rem}.logo-container{flex:0 0 auto;display:flex;justify-content:center;align-items:center;animation:fadeInUp 1s ease-out}.hero-text{flex:1;text-align:center;animation:fadeInUp 1s ease-out .2s backwards}.event-logo{max-width:700px;max-height:500px;width:auto;height:auto;object-fit:contain}.hero h1{font-size:clamp(2.5rem,8vw,5rem);font-weight:800;margin-bottom:1rem;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:fadeInUp 1s ease-out;text-shadow:0 0 30px rgba(157,78,221,.5);filter:drop-shadow(0 0 10px rgba(157,78,221,.3))}.subtitle.year{font-size:clamp(1.5rem,4vw,2.5rem);color:var(--text-primary);font-weight:700;margin-bottom:1.5rem}.glitch{position:relative}.glitch:hover{animation:glitch .3s ease-in-out}@keyframes glitch{0%,to{transform:translate(0)}20%{transform:translate(-2px,2px)}40%{transform:translate(-2px,-2px)}60%{transform:translate(2px,2px)}80%{transform:translate(2px,-2px)}}.subtitle{font-size:clamp(1.3rem,4vw,2rem);color:var(--text-secondary);margin-bottom:1rem;animation:fadeInUp 1s ease-out .2s backwards}.subtitle:last-of-type{margin-bottom:2.5rem}.cta-buttons{display:flex;gap:1.5rem;justify-content:center;flex-wrap:wrap;animation:fadeInUp 1s ease-out .4s backwards}.btn{padding:.8rem 2rem;font-size:1rem;font-weight:600;text-decoration:none;border-radius:50px;transition:var(--transition);cursor:pointer;position:relative;overflow:hidden;display:inline-block;border:none;outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none}.btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#fff3;transform:translate(-50%,-50%);transition:width .6s,height .6s}.btn:hover:before{width:300px;height:300px}.btn-primary{background:linear-gradient(135deg,var(--primary-color),var(--accent-color));color:#fff;border:none;box-shadow:0 4px 15px #9d4edd66}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 30px #9d4edd99}.btn-primary:active{transform:translateY(-1px);box-shadow:0 5px 20px #9d4edd80}.btn-secondary{background:transparent;color:var(--text-primary);border:2px solid var(--primary-color);box-shadow:0 4px 15px #9d4edd4d}.btn-secondary:hover{background:var(--primary-color);color:#fff;transform:translateY(-3px);box-shadow:0 10px 30px #9d4edd99}.btn-secondary:active{transform:translateY(-1px);box-shadow:0 5px 20px #9d4edd80}.section{min-height:50vh;padding:5rem 2rem;opacity:0;transform:translateY(30px);transition:opacity .8s ease-out,transform .8s ease-out}.section.visible{opacity:1;transform:translateY(0)}.section-content{max-width:1200px;margin:0 auto}.section-title{font-size:clamp(2rem,5vw,3.5rem);font-weight:700;margin-bottom:3rem;text-align:center;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.about-text{font-size:1.2rem;line-height:1.8;max-width:800px;margin:0 auto 3rem;text-align:center;color:var(--text-secondary)}.event-details{display:flex;flex-direction:row;justify-content:center;align-items:stretch;gap:2rem;max-width:1000px;margin:0 auto;flex-wrap:nowrap}.detail-card{background:var(--bg-card);padding:2rem;border-radius:15px;border:1px solid rgba(157,78,221,.2);text-align:left;transition:var(--transition);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;flex-direction:row;align-items:center;gap:1.5rem;flex:1;min-width:0}.detail-card:hover{border-color:var(--primary-color);transform:translateY(-5px);box-shadow:0 15px 40px #9d4edd4d}.detail-icon{width:3rem;height:3rem;flex-shrink:0;color:var(--primary-color);display:flex;align-items:center;justify-content:center}.detail-icon svg{width:100%;height:100%}.detail-card-content{flex:1}.detail-card h3{font-size:1.5rem;margin-bottom:.5rem;color:var(--primary-color)}.detail-card p{color:var(--text-secondary);line-height:1.6;margin:0}.projects-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem;margin-top:3rem}.project-card{background:var(--bg-card);border-radius:20px;overflow:hidden;transition:var(--transition);border:1px solid rgba(157,78,221,.2);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.project-card:hover{transform:translateY(-10px) scale(1.02);border-color:var(--primary-color);box-shadow:0 20px 60px #9d4edd66}.project-image{width:100%;height:250px;background:linear-gradient(135deg,#9d4edd26,#c77dff26);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.project-placeholder{width:80px;height:80px;color:var(--primary-color);opacity:.5;transition:var(--transition)}.project-card:hover .project-placeholder{opacity:1;transform:scale(1.2) rotate(10deg)}.project-content{padding:2rem}.project-title{font-size:1.5rem;font-weight:700;margin-bottom:1rem;color:var(--text-primary)}.project-description{color:var(--text-secondary);margin-bottom:1.5rem;line-height:1.6}.project-tags{display:flex;flex-wrap:wrap;gap:.5rem}.tag{padding:.4rem 1rem;background:#9d4edd26;border:1px solid var(--primary-color);border-radius:20px;font-size:.85rem;color:var(--primary-color);transition:var(--transition)}.tag:hover{background:var(--primary-color);color:#fff;transform:translateY(-2px)}.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-top:3rem}.skill-category{background:var(--bg-card);padding:2rem;border-radius:15px;border:1px solid rgba(157,78,221,.2);transition:var(--transition);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.skill-category:hover{border-color:var(--primary-color);transform:translateY(-5px);box-shadow:0 15px 40px #9d4edd4d}.skill-category h3{font-size:1.5rem;margin-bottom:1rem;color:var(--primary-color)}.skill-category ul{list-style:none}.skill-category li{color:var(--text-secondary);position:relative;padding:.5rem 0 .5rem 1.5rem}.skill-category li:before{content:"▹";position:absolute;left:0;color:var(--primary-color)}.contact-text{text-align:center;font-size:1.2rem;color:var(--text-secondary);margin-bottom:2rem}.contact-links{display:flex;justify-content:center;gap:2rem;flex-wrap:wrap}.contact-link{display:flex;align-items:center;gap:.5rem;padding:1rem 2rem;background:var(--bg-card);border:1px solid rgba(157,78,221,.3);border-radius:50px;color:var(--text-primary);text-decoration:none;transition:var(--transition);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.contact-link svg{width:24px;height:24px}.contact-link:hover{background:var(--primary-color);color:#fff;border-color:var(--primary-color);transform:translateY(-5px);box-shadow:0 10px 30px #9d4edd80}.footer{padding:2rem;text-align:center;color:var(--text-secondary);border-top:1px solid rgba(157,78,221,.2);background:var(--bg-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.hero{padding:1rem}.hero-content{flex-direction:column;gap:2rem}.hero-text{text-align:center}.event-logo{max-width:400px;max-height:280px}.section{padding:3rem 1rem}.projects-grid,.skills-grid{grid-template-columns:1fr;gap:1.5rem}.cta-buttons{flex-direction:column;align-items:stretch}.btn{width:100%}.contact-links{flex-direction:column;align-items:stretch}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}::selection{background:var(--primary-color);color:#fff}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--bg-dark)}::-webkit-scrollbar-thumb{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));border-radius:10px}::-webkit-scrollbar-thumb:hover{background:var(--primary-color)}body.rtl{direction:rtl;text-align:right}body.rtl .container{direction:rtl}body.rtl .hero-text{text-align:center}body.rtl .lang-toggle{right:auto;left:2rem}body.rtl .cta-buttons{flex-direction:row-reverse}body.rtl .projects-grid,body.rtl .skills-grid{direction:rtl}body.rtl .project-tags,body.rtl .contact-links{flex-direction:row-reverse}body.rtl .skill-category li{padding-left:0;padding-right:1.5rem}body.rtl .skill-category li:before{left:auto;right:0;content:"◃"}body.rtl .about-text,body.rtl .contact-text{text-align:center}.sponsors-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem;margin-top:3rem;max-width:1200px;margin-left:auto;margin-right:auto}.sponsor-item{background:var(--bg-card);border:1px solid rgba(157,78,221,.2);border-radius:15px;padding:2rem;text-align:center;transition:var(--transition);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:center;min-height:150px}.sponsor-item:hover{border-color:var(--primary-color);transform:translateY(-5px);box-shadow:0 10px 30px #9d4edd4d}.sponsor-image{max-width:100%;max-height:120px;width:auto;height:auto;object-fit:contain}body.rtl .footer{direction:rtl}body.rtl .detail-card{text-align:right}body.rtl *{font-family:Vazirmatn,Segoe UI,Tahoma,Iranian Sans,B Nazanin,Arial,sans-serif}body.rtl h1,body.rtl h2,body.rtl h3{font-weight:700}@media (max-width: 768px){.lang-toggle{top:1rem;right:1rem;padding:.6rem 1.2rem;font-size:.9rem}body.rtl .lang-toggle{right:auto;left:1rem}}