@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.homepage-header{position:sticky;top:0;width:100%;background:#000000eb;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);z-index:1000;padding:1.2rem 0;animation:fadeIn .3s ease}.homepage-nav{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;align-items:center;justify-content:space-between}.nav-brand{display:flex;align-items:center;gap:.75rem;font-size:1.25rem;font-weight:600;color:var(--text);text-decoration:none;transition:opacity .2s}.nav-brand:hover{opacity:.8;text-decoration:none}.nav-brand svg{width:28px;height:28px;color:var(--accent);transition:transform .3s}.nav-brand:hover svg{transform:scale(1.05)}.nav-links{display:flex;align-items:center;gap:2rem}.nav-link{color:var(--muted);text-decoration:none;font-weight:500;transition:color .2s}.nav-link:hover{color:var(--text);text-decoration:none}.courses-dropdown{position:relative}.courses-dropdown-btn{display:flex;align-items:center;gap:.5rem;background:none;border:none;color:var(--muted);font-weight:500;font-size:1rem;cursor:pointer;transition:color .2s;font-family:inherit}.courses-dropdown-btn:hover{color:var(--text)}.courses-dropdown-menu{position:absolute;top:calc(100% + 1rem);right:0;background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:.75rem;min-width:280px;display:none;box-shadow:0 8px 24px #0006}.courses-dropdown.open .courses-dropdown-menu{display:block}.courses-dropdown-section{padding:.5rem 0}.courses-dropdown-section:not(:last-child){border-bottom:1px solid var(--line)}.courses-dropdown-label{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);padding:.5rem .75rem;font-weight:600}.courses-dropdown-link{display:block;padding:.5rem .75rem;color:var(--text);text-decoration:none;border-radius:8px;transition:background .2s;font-size:.95rem}.courses-dropdown-link:hover{background:#ffffff0d;text-decoration:none}.hero{max-width:900px;margin:0 auto;padding:8rem 2rem 6rem;text-align:center;animation:fadeInUp .8s ease}.hero h1{font-size:clamp(2.5rem,5vw,4rem);font-weight:700;margin-bottom:1.5rem;line-height:1.1;letter-spacing:-.03em;background:linear-gradient(135deg,var(--text) 0%,rgba(255,255,255,.7) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:1.25rem;color:var(--muted);margin-bottom:3rem;line-height:1.7;max-width:700px;margin-left:auto;margin-right:auto}.intro-section{max-width:1000px;margin:4rem auto;padding:0 2rem}.section-title{font-size:2.25rem;font-weight:700;margin-bottom:1rem;text-align:center;letter-spacing:-.02em;position:relative;display:inline-block;width:100%}.section-title:after{content:"";display:block;width:60px;height:3px;background:linear-gradient(90deg,var(--accent),transparent);margin:1rem auto 0;border-radius:2px}.intro-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;margin-top:3rem}.intro-card{background:linear-gradient(135deg,var(--panel2) 0%,rgba(13,13,13,.6) 100%);border:1px solid var(--line);border-radius:var(--radius);padding:2.5rem;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.intro-card:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--accent),transparent);opacity:0;transition:opacity .3s}.intro-card:hover{transform:translateY(-6px);border-color:#7dd3fc4d;box-shadow:0 12px 40px #7dd3fc14}.intro-card:hover:before{opacity:1}.intro-card h3{font-size:1.35rem;margin-bottom:1rem;color:var(--accent);font-weight:600}.intro-card p{color:var(--muted);line-height:1.7;font-size:.98rem}.learning-section{max-width:1000px;margin:6rem auto;padding:0 2rem}.learning-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;margin-top:3rem}.learning-item{background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:1.75rem;display:flex;flex-direction:column;gap:.85rem;transition:all .3s cubic-bezier(.4,0,.2,1);cursor:default}.learning-item:hover{border-color:#ffffff26;transform:translateY(-2px);box-shadow:0 8px 24px #0000004d}.learning-icon{width:48px;height:48px;border-radius:10px;background:linear-gradient(135deg,#7dd3fc26,#7dd3fc0d);display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:1.5rem;transition:transform .3s}.learning-item:hover .learning-icon{transform:scale(1.1)}.learning-item h4{font-size:1rem;font-weight:600;margin:0}.learning-item p{font-size:.9rem;color:var(--muted);margin:0;line-height:1.5}.courses-section{max-width:1200px;margin:6rem auto;padding:0 2rem}.courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:2rem;margin-top:3rem}.course-card{background:linear-gradient(135deg,var(--panel2) 0%,rgba(11,11,11,.8) 100%);border:1px solid var(--line);border-radius:var(--radius);padding:2.25rem;transition:all .4s cubic-bezier(.4,0,.2,1);text-decoration:none;display:block;position:relative;overflow:hidden}.course-card:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(125,211,252,.03) 0%,transparent 100%);opacity:0;transition:opacity .4s;pointer-events:none}.course-card:hover{transform:translateY(-6px);border-color:var(--accent);text-decoration:none;box-shadow:0 16px 48px #7dd3fc1f}.course-card:hover:after{opacity:1}.course-level{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);font-weight:700;margin-bottom:1rem;display:inline-block;padding:.25rem .75rem;background:#7dd3fc1a;border-radius:6px}.course-card h3{font-size:1.35rem;margin-bottom:.75rem;color:var(--text);font-weight:600;line-height:1.3}.course-card p{color:var(--muted);font-size:.95rem;line-height:1.6;margin-bottom:1.5rem}.course-meta{display:flex;gap:1rem;font-size:.85rem;color:#ffffff80}.homepage-footer{margin-top:10rem;padding:4rem 2rem;border-top:1px solid var(--line);text-align:center;color:var(--muted);font-size:.9rem;background:linear-gradient(180deg,transparent 0%,rgba(0,0,0,.5) 100%)}.homepage-footer p:first-child{font-weight:500}body{background:radial-gradient(ellipse at top,rgba(125,211,252,.03) 0%,transparent 50%),radial-gradient(ellipse at bottom,rgba(125,211,252,.02) 0%,transparent 50%)}.mobile-menu-toggle{display:none;background:none;border:none;color:var(--text);cursor:pointer;padding:.5rem;margin:-.5rem 0;width:44px;height:44px;align-items:center;justify-content:center}.mobile-menu-toggle svg{width:24px;height:24px}@media(max-width:768px){.mobile-menu-toggle{display:flex}.nav-links{position:fixed;top:0;right:-100%;width:280px;height:100vh;background:var(--panel);border-left:1px solid var(--line);flex-direction:column;padding:5rem 2rem 2rem;gap:2rem;transition:right .3s cubic-bezier(.4,0,.2,1);z-index:1001;overflow-y:auto}.nav-links.open{right:0;box-shadow:-8px 0 24px #00000080}.nav-link{font-size:1.1rem;padding:.5rem 0}.courses-dropdown{width:100%}.courses-dropdown-btn{width:100%;justify-content:space-between;font-size:1.1rem;padding:.5rem 0}.courses-dropdown-menu{position:static;display:none;margin-top:1rem;width:100%;box-shadow:none;border:1px solid var(--line);background:#0000004d}.courses-dropdown.open .courses-dropdown-menu{display:block}body.mobile-menu-open:before{content:"";position:fixed;inset:0;background:#000000b3;z-index:1000;animation:fadeIn .3s}.nav-links:before{content:"×";position:absolute;top:1.5rem;right:1.5rem;font-size:2rem;color:var(--muted);cursor:pointer;width:44px;height:44px;display:flex;align-items:center;justify-content:center;transition:color .2s}.nav-links:before:hover{color:var(--text)}.hero{padding:5rem 1.5rem 4rem}.hero h1{font-size:2.25rem}.section-title{font-size:1.75rem}.intro-content,.learning-grid{gap:1.25rem}.courses-grid{grid-template-columns:1fr;gap:1.5rem}.homepage-footer{margin-top:6rem}}html{scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}