.main-header {
    display: flex;
    flex-direction: column;
    color: white;
    text-shadow: 0px 4px 4px rgba(0, 0, 0, 0.08);
    font-family: Avenir;
    font-size: 3em;
    font-style: normal;
    font-weight: 600;
    line-height: normal;
    letter-spacing: -0.3px;
    margin-top: 30px;
    margin-bottom: 50px;
    text-align: center;
    width: 100%;
}

.conversation-logo {
    margin-top: 150px;
    margin-bottom: 40px;
    width: 140px;
    height: 140px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.conversation-logo::after {
    content: '';
    position: absolute;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 255, 0, 0.05) 0%, rgba(0, 255, 0, 0) 70%);
    z-index: -1;
}

.conversation-logo img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 0 8px rgba(0, 255, 0, 0.2));
    transition: all 0.5s ease;
}

.conversation-logo img:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 12px rgba(0, 255, 0, 0.3));
}

.main-header.green-highlight {
    text-shadow: 
        0 0 2px #ffffff,
        0 0 5px #00ff00,
        0 0 10px #00cc00,
        0 0 15px #009900;
    -webkit-text-fill-color: #ffffff;
    text-shadow: 0 0 10px #416b4c, 0 0 15px #02af1f;
}

.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    box-sizing: border-box;
}

.feature-section {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    margin: 4.5rem auto;
    max-width: 1000px;
    padding: 0 1rem;
    position: relative;
}

/* Add ambient glow effect behind the feature section */
.feature-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 110%;
    height: 110%;
    background: radial-gradient(ellipse at center, rgba(0, 255, 0, 0.05) 0%, rgba(0, 255, 0, 0) 70%);
    z-index: -1;
    pointer-events: none;
}

.feature-panel {
    position: relative;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    backdrop-filter: blur(10px);
    overflow: hidden;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.05),
        0 2px 8px rgba(0, 0, 0, 0.1),
        inset 0 1px 1px rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Add subtle green border glow */
.feature-panel::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 1px;
    background: linear-gradient(
        135deg, 
        rgba(0, 255, 0, 0.1) 0%, 
        rgba(0, 255, 0, 0.05) 50%,
        rgba(0, 255, 0, 0.02) 100%
    );
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.feature-panel:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.1),
        0 6px 12px rgba(0, 0, 0, 0.15),
        inset 0 1px 1px rgba(255, 255, 255, 0.1);
}

/* Enhanced hover effect with subtle green glow */
.feature-panel:hover::after {
    background: linear-gradient(
        135deg, 
        rgba(0, 255, 0, 0.2) 0%, 
        rgba(0, 255, 0, 0.1) 50%,
        rgba(0, 255, 0, 0.05) 100%
    );
}

/* Subtle animated background */
.feature-panel::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        ellipse at center,
        rgba(0, 255, 0, 0.03) 0%,
        rgba(0, 255, 0, 0) 70%
    );
    opacity: 0;
    transform: translate(-100%, -100%);
    transition: opacity 0.8s ease;
    pointer-events: none;
}

.feature-panel:hover::before {
    opacity: 1;
    animation: pulse 3s infinite alternate;
}

@keyframes pulse {
    0% {
        transform: translate(-100%, -100%) scale(0.95);
    }
    100% {
        transform: translate(-100%, -100%) scale(1.05);
    }
}

.feature-panel-icon {
    width: 120px;
    height: 120px;
    margin-bottom: 1.8rem;
    background: rgba(0, 255, 0, 0.03);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all 0.3s ease;
    box-shadow: 
        0 0 0 1px rgba(0, 255, 0, 0.08),
        0 0 20px rgba(0, 255, 0, 0.05);
}

.feature-panel:hover .feature-panel-icon {
    background: rgba(0, 255, 0, 0.05);
    box-shadow: 
        0 0 0 1px rgba(0, 255, 0, 0.1),
        0 0 30px rgba(0, 255, 0, 0.1);
}

/* Subtle pulse around the icon */
.feature-panel-icon::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(0, 255, 0, 0.2);
    opacity: 0;
    transition: all 0.3s ease;
}

.feature-panel:hover .feature-panel-icon::after {
    opacity: 1;
    animation: iconPulse 2s infinite;
}

@keyframes iconPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 255, 0, 0.2);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(0, 255, 0, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 255, 0, 0);
    }
}

.feature-panel-icon img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.feature-panel:hover .feature-panel-icon img {
    transform: scale(1.1);
}

.feature-panel-content h3 {
    position: relative;
    display: inline-block;
    color: #ffffff;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

/* Subtle green underline for headings */
.feature-panel-content h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, rgba(0, 255, 0, 0), rgba(0, 255, 0, 0.5), rgba(0, 255, 0, 0));
    transition: width 0.3s ease;
}

.feature-panel:hover .feature-panel-content h3 {
    color: #ffffff;
    text-shadow: 0 0 8px rgba(0, 255, 0, 0.3);
}

.feature-panel:hover .feature-panel-content h3::after {
    width: 80%;
}

.feature-panel-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    line-height: 1.7;
    transition: all 0.3s ease;
    max-width: 90%;
    margin: 0 auto;
}

.feature-panel:hover .feature-panel-content p {
    color: rgba(255, 255, 255, 0.95);
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .conversation-logo {
        margin-top: 140px;
        width: 130px;
        height: 130px;
    }
    
    .conversation-logo::after {
        width: 170px;
        height: 170px;
    }
    
    .main-header {
        font-size: 2.8em;
        margin-top: 25px;
        margin-bottom: 45px;
    }
}

@media (max-width: 768px) {
    .conversation-logo {
        margin-top: 160px;
        width: 120px;
        height: 120px;
        margin-bottom: 30px;
    }
    
    .conversation-logo::after {
        width: 150px;
        height: 150px;
    }
    
    .main-header {
        font-size: 2.5em;
        margin-top: 20px;
        margin-bottom: 40px;
    }
    
    .feature-section {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .feature-panel-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-panel-content p {
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .conversation-logo {
        margin-top: 150px;
        width: 100px;
        height: 100px;
        margin-bottom: 25px;
    }
    
    .conversation-logo::after {
        width: 130px;
        height: 130px;
    }
    
    .main-header {
        font-size: 2em;
        margin-top: 15px;
        margin-bottom: 35px;
        padding: 0 15px;
    }
}