:root{--primary: #6366f1;--primary-dark: #4f46e5;--accent: #a855f7;--text-main: #f8fafc;--text-muted: #94a3b8;--bg-dark: #0f172a;--glass: rgba(15, 23, 42, .6);--border-glass: rgba(255, 255, 255, .08)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;margin:0;padding:0;color:var(--text-main);background-color:var(--bg-dark);background-image:radial-gradient(circle at 0% 0%,rgba(99,102,241,.15) 0%,transparent 50%),radial-gradient(circle at 100% 100%,rgba(168,85,247,.15) 0%,transparent 50%);min-height:100vh;overflow-x:hidden}header{position:fixed;top:0;width:100%;background:var(--glass);backdrop-filter:blur(10px);z-index:1000;border-bottom:1px solid rgba(0,0,0,.05)}.header-container{max-width:1200px;margin:0 auto;padding:1rem 2rem;display:flex;align-items:center;gap:1.5rem}.nav-main{display:flex;align-items:center;gap:1rem;flex:1}.logo{font-size:1.5rem;font-weight:800;color:#fff;text-decoration:none}.menu-toggle{background:none;border:none;color:var(--text-main);cursor:pointer;padding:.5rem;display:flex;align-items:center;justify-content:center;border-radius:.5rem;transition:background .2s}.menu-toggle:hover{background:#0000000d}.sidebar-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0000004d;backdrop-filter:blur(4px);z-index:1500;opacity:0;visibility:hidden;transition:all .3s ease}.sidebar-overlay.active{opacity:1;visibility:visible}.sidebar{position:fixed;top:0;left:-320px;width:320px;height:100vh;background:#fff;z-index:2000;transition:transform .3s cubic-bezier(.4,0,.2,1);box-shadow:10px 0 30px #0000001a;padding:2.5rem 2rem;display:flex;flex-direction:column;visibility:hidden}.sidebar.active{transform:translate(320px);visibility:visible}.sidebar-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:3rem}.sidebar-close{background:none;border:none;cursor:pointer;color:var(--text-muted);padding:.5rem;border-radius:50%;transition:background .2s}.sidebar-close:hover{background:var(--bg-light)}.sidebar-nav{list-style:none;padding:0;margin:0}.sidebar-nav li{margin-bottom:.5rem}.sidebar-nav a{display:block;padding:1rem;color:var(--text-main);text-decoration:none;font-size:1.125rem;font-weight:600;border-radius:.75rem;transition:all .2s}.sidebar-nav a:hover{background:#eff6ff;color:var(--primary);padding-left:1.5rem}.sidebar-footer{margin-top:auto;padding-top:2rem;border-top:1px solid #f3f4f6;color:var(--text-muted);font-size:.875rem}.nav-auth{display:flex;gap:1rem;align-items:center}.btn-login{text-decoration:none;color:var(--text-muted);font-weight:500}.btn-signup{text-decoration:none;background:var(--text-main);color:#fff;padding:.5rem 1.25rem;border-radius:9999px;font-weight:600;transition:opacity .2s}.language-wrapper{position:relative}.language-selector{background:none;border:none;padding:.5rem;color:var(--text-main);cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:.5rem;transition:all .2s}.language-selector:hover{background:#0000000d;color:var(--primary)}.language-dropdown{position:absolute;top:100%;right:0;margin-top:.5rem;background:#fff;border:1px solid rgba(0,0,0,.1);border-radius:1rem;box-shadow:0 10px 25px -5px #0000001a,0 8px 10px -6px #0000001a;padding:.5rem;min-width:180px;z-index:2000;opacity:0;visibility:hidden;transform:translateY(-10px);transition:all .2s ease}.language-dropdown.active{opacity:1;visibility:visible;transform:translateY(0)}.language-option{display:block;width:100%;padding:.75rem 1rem;text-align:left;background:none;border:none;cursor:pointer;font-size:.875rem;color:var(--text-main);font-weight:500;border-radius:.5rem;transition:all .2s}.language-option:hover{background:#eff6ff;color:var(--primary)}.hero{padding:10rem 2rem 6rem;text-align:center;display:flex;flex-direction:column;align-items:center}.badge{padding:.4rem 1rem;background:#6366f11a;color:#818cf8;border:1px solid rgba(99,102,241,.2);border-radius:9999px;font-size:.875rem;font-weight:600;margin-bottom:1.5rem;display:inline-block}h1{font-size:clamp(2.5rem,8vw,4.5rem);font-weight:900;line-height:1.1;margin:0 0 1.5rem;white-space:pre-line;letter-spacing:-.02em;background:linear-gradient(to right,#fff,#94a3b8);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-sub{font-size:1.25rem;color:var(--text-muted);max-width:700px;margin:0 auto 3rem;line-height:1.6}.cta-group{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.btn-primary{background:var(--primary);color:#fff;padding:1rem 2.5rem;border-radius:.75rem;font-size:1.125rem;font-weight:700;text-decoration:none;box-shadow:0 20px 25px -5px #6366f14d;transition:transform .2s,background .2s}.btn-primary:hover{transform:translateY(-2px);background:var(--primary-dark);box-shadow:0 25px 30px -5px #6366f166}.btn-secondary{background:#ffffff0d;color:var(--text-main);padding:1rem 2.5rem;border-radius:.75rem;font-size:1.125rem;font-weight:700;text-decoration:none;border:1px solid var(--border-glass);transition:background .2s}.btn-secondary:hover{background:#ffffff1a}.showcase{padding:6rem 2rem}.showcase-container{max-width:1000px;margin:0 auto;display:flex;flex-direction:column;gap:8rem}.showcase-item{display:flex;flex-direction:column;align-items:center;text-align:center;gap:2rem}.showcase-content{max-width:900px;width:100%}.showcase-item h2{font-size:2.5rem;font-weight:800;margin-bottom:1.5rem;line-height:1.2;white-space:nowrap}@media(max-width:768px){.showcase-item h2{white-space:normal;font-size:1.75rem}}.showcase-desc{font-size:1.125rem;color:var(--text-muted);line-height:1.6;max-width:700px;margin:0 auto}.mid-cta{padding:6rem 2rem 10rem;text-align:center}.mid-cta h2{font-size:2rem;font-weight:800;margin-bottom:2.5rem}.showcase-video-wrapper{width:100%;aspect-ratio:16 / 9;border-radius:1.5rem;overflow:hidden;box-shadow:0 30px 60px -12px #00000080;border:1px solid var(--border-glass);background:#000;line-height:0;position:relative}.showcase-video-wrapper video{width:100%;height:100%;object-fit:cover;display:block;opacity:0;transition:opacity .5s ease}.showcase-video-wrapper video.ready{opacity:1}.video-skeleton{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(90deg,#ffffff08 25%,#ffffff14,#ffffff08 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;z-index:5;pointer-events:none;transition:opacity .5s ease}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.video-progress-container{position:absolute;bottom:0;left:0;width:100%;height:6px;background:#fff3;z-index:10}.video-progress-bar{height:100%;width:0%;background:var(--primary);transition:width .1s linear;box-shadow:0 0 10px var(--primary)}.steps{padding:6rem 2rem;background:#ffffff05;color:#fff;text-align:center;border-top:1px solid var(--border-glass);border-bottom:1px solid var(--border-glass)}.step-grid{display:flex;justify-content:center;gap:4rem;max-width:900px;margin:4rem auto 0;flex-wrap:wrap}.step-item{flex:1;min-width:200px;position:relative}.step-number{font-size:3rem;font-weight:900;opacity:.2;margin-bottom:1rem;display:block}.step-text{font-size:1.25rem;font-weight:600}footer{padding:4rem 2rem;text-align:center;color:var(--text-muted);font-size:.875rem;border-top:1px solid var(--border-glass)}.footer-links{display:flex;justify-content:center;gap:2rem;margin-bottom:2rem}.footer-links a{color:var(--text-muted);text-decoration:none}.footer-links a:hover{color:var(--text-main)}@media(max-width:768px){h1{font-size:3rem}.hero{padding-top:8rem}.step-grid{gap:2rem}}