/* Cyber-Tech Pillars Style: Premium Glassmorphism & High-Visibility Icons */
:root {
    --neon-red: #ff2d55;
    --cyber-blue: #0088ff;
    --cyber-green: #00c853;
    --cyber-orange: #ff9d00;
    --cyber-purple: #9d00ff;
    --cyber-cyan: #00f2ff;
    --glass-border: rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 20px 60px -15px rgba(0, 0, 0, 0.08);
}

/* Pillar Card Base */
.pillar-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 30px;
    /* Reduced from 40px for better fit in large grids */
    padding: 30px;
    /* Reduced from 50px */
    position: relative;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 100%;
}

.pillar-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, var(--accent-light) 0%, transparent 70%);
    opacity: 0;
    transition: 0.5s;
}

.pillar-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--accent-main);
    box-shadow: 0 30px 70px -10px var(--accent-shadow);
}

.pillar-card:hover::after {
    opacity: 0.4;
}

/* Pillar Icon */
.pillar-icon {
    font-size: 3rem;
    /* Slightly smaller than 3.5rem for better scale balance */
    color: var(--accent-main);
    margin-bottom: 25px;
    transition: 0.3s;
}

.pillar-card:hover .pillar-icon {
    transform: scale(1.1);
}

.pillar-card h3,
.pillar-card h4 {
    font-size: 1.5rem;
    /* Adjusted for standard grid use */
    font-weight: 800;
    margin-bottom: 15px;
    letter-spacing: -0.5px;
    color: #020617;
}

.pillar-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #334155;
    margin-bottom: 25px;
    flex-grow: 1;
}

/* Accent Variations */
.pillar-red {
    --accent-main: var(--neon-red);
    --accent-light: rgba(255, 45, 85, 0.1);
    --accent-shadow: rgba(255, 45, 85, 0.15);
}

.pillar-blue {
    --accent-main: var(--cyber-blue);
    --accent-light: rgba(0, 136, 255, 0.1);
    --accent-shadow: rgba(0, 136, 255, 0.15);
}

.pillar-green {
    --accent-main: var(--cyber-green);
    --accent-light: rgba(0, 200, 83, 0.1);
    --accent-shadow: rgba(0, 200, 83, 0.15);
}

.pillar-orange {
    --accent-main: var(--cyber-orange);
    --accent-light: rgba(255, 157, 0, 0.1);
    --accent-shadow: rgba(255, 157, 0, 0.15);
}

.pillar-purple {
    --accent-main: var(--cyber-purple);
    --accent-light: rgba(157, 0, 255, 0.1);
    --accent-shadow: rgba(157, 0, 255, 0.15);
}

.pillar-cyan {
    --accent-main: var(--cyber-cyan);
    --accent-light: rgba(0, 242, 255, 0.1);
    --accent-shadow: rgba(0, 242, 255, 0.15);
}

/* Button override for within cards */
.pillar-card .btn {
    align-self: flex-start;
    margin-top: auto;
}

/* Tech Tags (Optional usage) */
.pillar-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.pillar-tag {
    padding: 4px 12px;
    background: #f1f5f9;
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    font-size: 11px;
    font-weight: 700;
    color: #020617;
    transition: 0.3s;
}

.pillar-card:hover .pillar-tag {
    background: #fff;
    border-color: var(--accent-main);
    color: var(--accent-main);
}