body,html{margin:0;padding:0;font-family:Poppins,Inter,sans-serif;scroll-behavior:smooth}*{margin:0;padding:0;box-sizing:border-box}.home-container{display:flex;flex-direction:column;min-height:100vh}.title-section{position:relative;display:flex;justify-content:center;align-items:center;height:100vh;background:radial-gradient(circle at center,#5bbe97,#58c188,#52aa75,#61c499,#46b47f);background-size:400% 400%;animation:gradientWave 12s ease infinite;overflow:hidden;text-align:center}.ripple{position:absolute;width:450px;height:450px;border:2px solid rgba(255,255,255,.3);border-radius:50%;transform:translate(-50%,-50%) scale(0);animation:ripple 6s infinite ease-out;z-index:1}@keyframes ripple{0%{transform:translate(-50%,-50%) scale(.1);opacity:.4}70%{transform:translate(-50%,-50%) scale(1);opacity:.1}to{opacity:0}}.ripple:nth-child(1){animation-delay:0s}.ripple:nth-child(2){animation-delay:1.5s}.ripple:nth-child(3){animation-delay:3s}.ripple:nth-child(4){animation-delay:4.5s}.ripple:nth-child(5){animation-delay:6s}@keyframes gradientWave{0%{background-position:center center}50%{background-position:center center}to{background-position:center center}}.title-text{display:flex;flex-direction:column;align-items:center;z-index:2;animation:fadeIn 2s ease forwards}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.welcome-text{font-size:3rem;font-weight:400;color:#fff;margin-bottom:.5rem}.echoes-text{font-size:10rem;font-weight:700;color:#fff}.content-section{background:#fff;padding:4rem 20%;text-align:left}.content-section h2,.content-section h3{margin-top:2rem;font-weight:700}.content-section p{font-size:1.1rem;line-height:1.6;margin-top:1rem}.scroll-down{position:absolute;bottom:20px;left:50%;transform:translate(-50%);font-family:Poppins,sans-serif;color:#fff;font-weight:400;font-size:1.2rem;opacity:1;transition:opacity .3s ease;pointer-events:none}.scroll-down.hidden{opacity:0}.page-footer{background:#f5f5f5;text-align:center;padding:1rem;font-size:.9rem;color:#555;border-top:1px solid #ddd;margin-top:auto;font-family:Poppins,sans-serif}.send-echo-container{min-height:100vh;background:linear-gradient(180deg,#5bbe97,#46b47f);display:flex;flex-direction:column;justify-content:center;align-items:center;padding:4rem 2rem;text-align:center;color:#fff}.send-echo-container h2{font-size:3rem;font-weight:600;margin-bottom:2rem}.send-echo-container form{display:flex;flex-direction:column;gap:1.5rem;width:100%;max-width:600px}.send-echo-container input,.send-echo-container textarea{width:100%;padding:1.2rem 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2rem;color:#fff;text-align:center}.view-echo-container h2{font-size:3rem;font-weight:600;margin-bottom:2rem}.view-echo-container .echo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:1.5rem;width:100%;max-width:1200px}.view-echo-container .echo-card{background:#ffffff1a;border-radius:12px;padding:1.5rem 2rem;text-align:left;transition:transform .2s ease,background .2s ease}.view-echo-container .echo-card:hover{transform:translateY(-2px);background:#ffffff26}.view-echo-container .echo-card h3{font-size:1.8rem;margin-bottom:.5rem}.view-echo-container .echo-card p strong{font-weight:600}.view-echo-container .echo-card p{font-size:1.1rem;line-height:1.6;margin-top:.5rem}.view-echo-container .no-echoes{font-size:1.2rem;font-style:italic;color:#fffc}@media (max-width: 768px){.view-echo-container h2{font-size:2.5rem}.view-echo-container .echo-card h3{font-size:1.5rem}.view-echo-container .echo-card p{font-size:1rem}}.search-echo-container{min-height:100vh;background:linear-gradient(180deg,#5bbe97,#46b47f);display:flex;flex-direction:column;align-items:center;padding:4rem 2rem;color:#fff;text-align:center}.search-echo-container h2{font-size:3rem;font-weight:600;margin-bottom:2rem}.search-input-container{display:flex;gap:1rem;width:100%;max-width:600px;margin-bottom:2rem}.search-echo-container input[type=text]{flex:1;padding:1rem 1.2rem;border-radius:12px;border:2px solid rgba(255,255,255,.3);font-size:1.1rem;background:#ffffff1a;color:#fff;transition:border-color .3s ease}.search-echo-container input:focus{outline:none;border-color:#fff9}.search-echo-container input::placeholder{color:#ffffffb3}.search-echo-container input:disabled{opacity:.6}.search-echo-container button{background-color:#50ac69;color:#fff;font-size:1.2rem;font-weight:600;border:none;border-radius:12px;padding:1rem 2rem;cursor:pointer;transition:background .3s ease,transform .2s ease;white-space:nowrap}.search-echo-container button:hover:not(:disabled){background-color:#46b47f;transform:translateY(-2px)}.search-echo-container button:disabled{opacity:.7;cursor:not-allowed;transform:none}.ai-explanation{background:#ffffff1a;border-radius:12px;padding:1.5rem;margin-bottom:2rem;max-width:800px;width:100%}.ai-explanation p{font-size:1.1rem;line-height:1.6;margin:0}.echo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem;width:100%;max-width:1200px}.echo-card{background:#ffffff1a;border-radius:12px;padding:1.5rem;text-align:left;transition:transform .2s ease,background .2s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.echo-card:hover{transform:translateY(-5px);background:#ffffff26}.echo-card h3{font-size:1.4rem;margin-bottom:.5rem;color:#fff;border-bottom:1px solid rgba(255,255,255,.2);padding-bottom:.5rem}.echo-author{font-size:1rem;opacity:.9;margin:0 0 1rem;padding:0}.echo-content{font-size:1.1rem;line-height:1.5;margin:0;padding:0}.loading-spinner{grid-column:1 / -1;font-size:1.2rem;padding:2rem;color:#fffc}.no-echoes{grid-column:1 / -1;font-size:1.2rem;font-style:italic;color:#fffc;padding:2rem}@media (max-width: 768px){.search-echo-container{padding:2rem 1rem}.search-echo-container h2{font-size:2.2rem}.search-input-container{flex-direction:column;gap:.5rem}.echo-grid{grid-template-columns:1fr;gap:1rem}.search-echo-container input,.search-echo-container button{font-size:1rem;padding:.8rem 1rem}}.navBar{position:fixed;top:0;left:0;width:100%;background:#fff3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;justify-content:center;padding:1rem 0;box-shadow:none;z-index:1000}.navBar nav a:after{content:"";position:absolute;bottom:-2px;left:50%;width:0%;height:2px;background-color:#fff;transition:all .3s ease;transform:translate(-50%)}.navBar nav a:hover:after{width:100%}.navBar nav a.active:after{width:100%}.navBar{position:fixed;top:0;left:0;width:100%;background:#fff3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;justify-content:center;padding:1rem 0;z-index:1000;transition:background .3s ease,color .3s ease}.navBar.scrolled{background:#fff;box-shadow:0 2px 5px #0000001a}.navBar nav a{margin:0 1.5rem;text-decoration:none;color:#fff;font-family:Poppins,sans-serif;font-weight:500;position:relative;overflow:hidden;transition:color .3s ease}.navBar.scrolled nav a{color:#333}.navBar nav a:after{content:"";position:absolute;bottom:-2px;left:50%;width:0%;height:2px;background-color:currentColor;transition:all .3s ease;transform:translate(-50%)}.navBar nav a:hover:after,.navBar nav a.active:after{width:100%}