.icon {
  width: 64px;
  height: 64px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 36px;
  user-select: none;
}

.deep-dive-enhanced {
    background: linear-gradient(135deg, #0A192F 0%, #1a2744 30%, #0f1b36 70%, #0A192F 100%);
    border-radius: 8px;
    color: #00CED1;
    font-weight: 700;
    position: relative;
    overflow: hidden;
    box-shadow:
        0 0 8px rgba(0, 206, 209, 0.4),
        0 0 20px rgba(0, 206, 209, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        inset 0 0 20px rgba(0, 206, 209, 0.05);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 206, 209, 0.2);
}

.deep-dive-enhanced:hover {
    transform: translateY(-1px);
    box-shadow:
        0 0 12px rgba(0, 206, 209, 0.6),
        0 0 30px rgba(0, 206, 209, 0.25),
        0 2px 8px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.15),
        inset 0 0 25px rgba(0, 206, 209, 0.08);
    border-color: rgba(0, 206, 209, 0.4);
}

.deep-dive-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(236, 240, 241, 0.08), transparent);
    animation: shimmer 4s;
}

.deep-dive-enhanced::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    right: 2px;
    bottom: 2px;
    background: linear-gradient(135deg, rgba(0, 206, 209, 0.03) 0%, transparent 50%, rgba(0, 206, 209, 0.03) 100%);
    border-radius: 6px;
    pointer-events: none;
}

.icon-text {
    position: relative;
    z-index: 2;
    text-shadow: 0 0 8px rgba(0, 206, 209, 0.5);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

@keyframes pulse {
    0%, 100% {
        text-shadow: 0 0 8px rgba(0, 206, 209, 0.5);
    }
    50% {
        text-shadow: 0 0 12px rgba(0, 206, 209, 0.8), 0 0 20px rgba(0, 206, 209, 0.3);
    }
}

/* Floating particles effect */
.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    border-radius: 12px;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: #00CED1;
    border-radius: 50%;
    opacity: 0.6;
    animation: float 6s linear infinite;
}

.particle:nth-child(1) {
    left: 20%;
    animation-delay: -1s;
    animation-duration: 5s;
}

.particle:nth-child(2) {
    left: 50%;
    animation-delay: -2s;
    animation-duration: 7s;
}

.particle:nth-child(3) {
    left: 80%;
    animation-delay: -3s;
    animation-duration: 6s;
}

@keyframes float {
    0% {
        transform: translateY(70px) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-10px) scale(1);
        opacity: 0;
    }
}

/* Corner accents */
.corner-accent {
    position: absolute;
    width: 6px;
    height: 1px;
    background: rgba(236, 240, 241, 0.3);
    opacity: 0.8;
}

.corner-accent.top-left {
    top: 4px;
    left: 4px;
    transform: rotate(45deg);
}

.corner-accent.bottom-right {
    bottom: 4px;
    right: 4px;
    transform: rotate(45deg);
}

.corner-accent.top-right {
    top: 4px;
    right: 4px;
    transform: rotate(-45deg);
}

.corner-accent.bottom-left {
    bottom: 4px;
    left: 4px;
    transform: rotate(-45deg);
}