/* Modern SVG Icons for BrainGym AI */

.icon-brain {
    background: linear-gradient(135deg, #3B82F6, #A855F7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 48px;
    display: inline-block;
}

.icon-gradient {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(168, 85, 247, 0.2));
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.icon-gradient::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    padding: 2px;
    background: linear-gradient(135deg, #3B82F6, #A855F7);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.5;
}

/* Feature icons with better styling */
.feature-icon,
.proof-icon,
.step-icon,
.streak-icon {
    font-size: 48px;
    filter: drop-shadow(0 4px 12px rgba(59, 130, 246, 0.3));
    animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

.feature-card:hover .feature-icon,
.proof-card:hover .proof-icon {
    animation: iconBounce 0.6s ease;
}

@keyframes iconBounce {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
}

/* Enhanced glow effects */
.hero-phone .phone-mockup {
    position: relative;
}

.hero-phone .phone-mockup::before {
    content: '';
    position: absolute;
    inset: -20px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.3), transparent 70%);
    border-radius: 50%;
    z-index: -1;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(0.95);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
}

/* Better icon colors for different sections */
.how-it-works .step-icon {
    filter: drop-shadow(0 4px 12px rgba(16, 185, 129, 0.4));
}

.streaks .streak-icon {
    filter: drop-shadow(0 4px 12px rgba(245, 158, 11, 0.4));
}