@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url(https://fonts.gstatic.com/s/inter/v13/UcC73FwrK3iLTeHuS_fvQtMwCp50KnMa1ZL7W0Q5nw.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;size-adjust:100%;ascent-override:90%}@font-face{font-family:'Poppins';font-style:normal;font-weight:700;font-display:swap;src:url(https://fonts.gstatic.com/s/poppins/v21/pxiByp8kv8JHgFVrLCz7Z1xlFQ.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;size-adjust:107%;ascent-override:91%}:root{--bg-dark:#121212;--bg-card:#1A1A1A;--accent-blue:#007BFF;--accent-purple:#8A2BE2;--text-light:#F5F5F5;--text-muted:#B3B3B3;--border-color:#2a2a2a}html{scroll-behavior:smooth}body{background-color:var(--bg-dark);color:var(--text-light);font-family:'Inter',sans-serif;line-height:1.6;margin:0;padding:0;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}.container{width:90%;max-width:1100px;margin:0 auto;padding:4rem 0}.header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 5%;border-bottom:1px solid var(--border-color);position:sticky;top:0;background-color:rgba(18,18,18,0.8);backdrop-filter:blur(10px);z-index:100}.header__logo{font-family:'Poppins',sans-serif;font-size:1.75rem;font-weight:700;color:var(--text-light);text-decoration:none}.header__logo--accent{color:var(--accent-blue)}.theme-toggle{background:none;border:1px solid var(--border-color);color:var(--text-muted);cursor:pointer;padding:.5rem;border-radius:8px;font-size:1.2rem;line-height:1;display:flex;align-items:center;justify-content:center;transition:color .3s ease,border-color .3s ease}.theme-toggle:hover{color:var(--text-light);border-color:var(--accent-blue)}.hero{text-align:center;padding:8rem 0;position:relative;background:radial-gradient(ellipse at top,rgba(0,123,255,0.15),transparent 60%),radial-gradient(ellipse at bottom,rgba(138,43,226,0.15),transparent 70%)}.hero__title{font-family:'Poppins',sans-serif;font-size:clamp(3rem,6vw,4.5rem);margin-bottom:1rem;line-height:1.1;background:-webkit-linear-gradient(45deg,var(--accent-blue),var(--accent-purple),#00D4FF);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero__subtitle{font-size:1.25rem;color:var(--text-muted);max-width:65ch;margin:0 auto 2.5rem}.cta-button{background-image:linear-gradient(45deg,var(--accent-blue) 0,var(--accent-purple) 100%);color:white;font-family:'Poppins',sans-serif;font-size:1.2rem;font-weight:700;text-decoration:none;padding:1rem 3rem;border:none;border-radius:12px;transition:all .3s ease;display:inline-block;box-shadow:0 4px 15px rgba(0,123,255,0.2)}.cta-button:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 8px 25px rgba(138,43,226,0.3)}.section{padding:5rem 0;text-align:center;opacity:0;transform:translateY(30px);transition:opacity .6s ease-out,transform .6s ease-out}.section.is-visible{opacity:1;transform:translateY(0)}.section__title{font-family:'Poppins',sans-serif;font-size:2.8rem;margin-bottom:1rem}.section__content p{max-width:70ch;margin-left:auto;margin-right:auto;margin-bottom:1.5rem;color:var(--text-muted)}.features-grid{display:grid;grid-template-columns:1fr;gap:2rem;margin-top:3rem;text-align:left}.feature-card{background-color:var(--bg-card);padding:2.5rem;border-radius:16px;border:1px solid var(--border-color);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}.feature-card:hover{transform:translateY(-8px);border-color:var(--accent-blue);box-shadow:0 10px 30px rgba(0,123,255,0.1)}.feature-card__icon{font-size:2.5rem;margin-bottom:1rem;color:var(--accent-blue)}.feature-card__title{font-family:'Poppins',sans-serif;font-size:1.5rem;margin-bottom:.5rem;color:var(--text-light)}.feature-card__text{color:var(--text-muted);margin-bottom:0}.footer{text-align:center;padding:3rem 0;border-top:1px solid var(--border-color)}.footer__socials{margin-bottom:1.5rem}.footer__social-link{color:var(--text-muted);margin:0 1rem;font-size:1.5rem;text-decoration:none;transition:color .3s ease}.footer__social-link:hover{color:var(--accent-blue)}.footer__copyright{color:var(--text-muted);font-size:.9rem}html.light{--bg-dark:#F5F5F5;--bg-card:#FFF;--text-light:#121212;--text-muted:#555;--border-color:#e0e0e0}@media(min-width:600px){.features-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:992px){.features-grid{grid-template-columns:repeat(4,1fr)}}