@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:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url(https://fonts.gstatic.com/s/inter/v13/UcC73FwrK3iLTeHuS_fvQtMwCp50KnMa1ZL7W0Q5nw.woff2) 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var(--border-color);border-radius:50px;cursor:pointer;width:50px;height:26px;position:relative;display:flex;align-items:center}.theme-switcher__toggle{background:var(--text-color);border-radius:50%;width:18px;height:18px;position:absolute;left:3px;transition:transform .3s ease}html.dark .theme-switcher__toggle{transform:translateX(24px)}.hero{position:relative;overflow:hidden;padding:100px 0}.hero__particles{position:absolute;top:0;left:0;width:100%;height:100%;z-index:-1;background-image:radial-gradient(circle at 20% 20%,rgba(0,245,212,0.1),transparent 30%),radial-gradient(circle at 80% 70%,rgba(0,245,212,0.1),transparent 30%);animation:particles 20s linear infinite}@keyframes particles{0%{transform:translate(0,0)}50%{transform:translate(10px,15px)}100%{transform:translate(0,0)}}.hero__uvp{font-size:1.1rem;font-weight:700;color:var(--accent);margin-bottom:10px;letter-spacing:1px;text-transform:uppercase}.hero__subheadline{font-size:1.2rem;max-width:600px;margin-bottom:30px;opacity:.9}.cta-button{display:inline-block;background-color:var(--accent);color:var(--accent-dark);padding:15px 35px;font-size:1.1rem;font-weight:700;text-decoration:none;border-radius:50px;transition:transform .3s ease,box-shadow .3s ease;box-shadow:0 4px 20px rgba(0,245,212,0.3)}.cta-button:hover{transform:translateY(-3px);box-shadow:0 7px 30px rgba(0,245,212,0.4)}.features__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px;margin-top:50px}.feature-card{background-color:var(--container-color);border:1px solid var(--border-color);padding:40px;border-radius:16px;text-align:left;transition:transform .3s ease,border-color .3s ease}.feature-card:hover{transform:translateY(-5px);border-color:var(--accent)}.feature-card__icon{color:var(--accent);margin-bottom:20px}.showcase{background-color:var(--container-color);border-radius:16px;padding:40px;border:1px solid var(--border-color)}.showcase__chat-window{max-width:500px;margin:30px auto 0 auto;background-color:var(--bg-color);border-radius:12px;padding:20px;display:flex;flex-direction:column;gap:12px}.chat-bubble{padding:10px 15px;border-radius:20px;max-width:80%;line-height:1.4}.chat-bubble--received{background-color:var(--container-color);color:var(--text-color);align-self:flex-start}.chat-bubble--sent{background-color:#007aff;color:white;align-self:flex-end}html.dark .chat-bubble--sent{background-color:#0B84FF}.chat-bubble--deleted{background-color:var(--container-color);border:1px dashed var(--accent);align-self:flex-start;position:relative}.chat-bubble--deleted::after{content:'RECOVERED';position:absolute;top:-10px;right:-10px;background:var(--accent);color:var(--accent-dark);font-size:.6rem;font-weight:700;padding:2px 5px;border-radius:5px}.chat-log{text-align:center;font-size:.8rem;color:var(--text-color);opacity:.7;padding:5px 0;display:flex;align-items:center;justify-content:center;gap:8px}.footer{padding:40px 0;border-top:1px solid var(--border-color)}.footer__content{display:flex;flex-direction:column;align-items:center;gap:20px}.footer__socials{display:flex;gap:25px}.footer__social-link{color:var(--text-color);transition:color .3s ease}.footer__social-link:hover{color:var(--accent)}.footer__copyright{font-size:.9rem;opacity:.7}@media(max-width:768px){h1{font-size:2.2rem}h2{font-size:1.8rem}.section{padding:60px 0}.features__grid{grid-template-columns:1fr}}