/* =================== INDEX PAGE SPECIFIC STYLES =================== */

/* Flip Cards (Special Component for What's Wrong Section) */
.flip-card {
    background: transparent;
    width: 100%;
    height: 280px;
    perspective: 1000px;
    cursor: pointer;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--accent-bg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    text-align: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.flip-card-back {
    position: relative;
    background: var(--subtle-gradient);
    border: 2px solid transparent;
    border-radius: var(--radius-xl);
    transform: rotateY(180deg);
}

.flip-card-back::before {
    content: '';
    position: absolute;
    inset: 0;
    padding: 2px;
    background: var(--gradient);
    border-radius: var(--radius-xl);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: xor;
    -webkit-mask-composite: xor;
}

.problem-stat {
    font-size: 3.5rem;
    font-weight: 900;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-md);
    line-height: 1;
    white-space: nowrap;
}

.problem-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
}

.flip-card-back p {
    line-height: 1.6;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
    margin-bottom: 2rem;
    margin-top: -0.5rem;
}

.flip-card-button {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.flip-card:hover .flip-card-button {
    opacity: 1;
    transform: translateX(-50%) translateY(-5px);
}

.flip-card-button:hover {
    transform: translateX(-50%) translateY(-8px) scale(1.05);
}

/* Agent Cards (Special Component) */
.agent-card {
    background: var(--gradient);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.agent-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--subtle-gradient);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.agent-card:hover::before {
    opacity: 1;
}

.agent-card:hover {
    border: 2px solid transparent;
    border-image: var(--gradient) 1;
    box-shadow: 0 25px 50px rgba(255, 107, 53, 0.15);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.agent-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto var(--space-lg);
    position: relative;
    z-index: 1;
}

/* =================== INDEX RESPONSIVE DESIGN =================== */

@media (max-width: 1200px) {
    .flip-card {
        height: 280px;
    }
}

@media (max-width: 900px) {
    /* Stack flip cards on smaller screens */
    .grid[style*="grid-template-columns: repeat(4, 1fr)"] {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: var(--space-md) !important;
    }
    
    .flip-card {
        height: 240px;
    }
}

@media (max-width: 600px) {
    .grid[style*="grid-template-columns: repeat(4, 1fr)"] {
        grid-template-columns: 1fr !important;
    }
    
    .flip-card {
        height: 220px;
    }
}

@media (max-width: 480px) {
    .agent-card {
        padding: var(--space-lg);
    }
}