/* ==========================================================================
   Enhanced Proof Cases Section Styles
   ========================================================================== */

/* Proof Cases Section */
.proof-cases {
    background: var(--midnight-blue);
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.proof-cases::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(30, 213, 195, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 90, 95, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.proof-header {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    z-index: 2;
}

.proof-title {
    color: var(--white);
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.proof-accent-line {
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, var(--coral-red), var(--electric-teal));
    margin: 0 auto;
    border-radius: 2px;
}

/* Cases Grid */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
    position: relative;
    z-index: 2;
}

/* Individual Case Cards */
.case-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    transition: left 0.8s ease-in-out;
}

.case-card:hover::before {
    left: 100%;
}

.case-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    border-color: var(--electric-teal);
    background: var(--white);
}

.case-card:hover .case-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, var(--coral-red), var(--electric-teal));
}

.case-card:hover .case-icon svg {
    color: var(--white);
}

/* Icon Container */
.case-icon-container {
    margin-bottom: 1.5rem;
}

.case-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(30, 213, 195, 0.1), rgba(255, 90, 95, 0.1));
    border: 2px solid rgba(30, 213, 195, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 1rem;
}

.case-icon svg {
    width: 32px;
    height: 32px;
    color: var(--midnight-blue);
    transition: all 0.4s ease;
}

/* Card Content */
.case-card h3 {
    color: var(--midnight-blue);
    font-size: 1.4rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 0.5rem;
}

.case-tagline {
    color: var(--coral-red);
    font-style: italic;
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.case-metrics {
    list-style: none;
    padding: 0;
    margin: 0;
}

.case-metrics li {
    display: flex;
    align-items: center;
    color: var(--medium-gray);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 0.75rem;
    transition: color 0.3s ease;
}

.case-metrics li:last-child {
    margin-bottom: 0;
}

.case-metrics li i {
    color: var(--electric-teal);
    margin-right: 0.75rem;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.case-card:hover .case-metrics li {
    color: var(--dark-gray);
}

/* Category-specific hover colors */
.case-card[data-category="robotics"]:hover .case-icon {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.case-card[data-category="saas"]:hover .case-icon {
    background: linear-gradient(135deg, #f093fb, #f5576c);
}

.case-card[data-category="insurance"]:hover .case-icon {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
}

.case-card[data-category="hardware"]:hover .case-icon {
    background: linear-gradient(135deg, #43e97b, #38f9d7);
}

.case-card[data-category="finance"]:hover .case-icon {
    background: linear-gradient(135deg, #fa709a, #fee140);
}

.case-card[data-category="education"]:hover .case-icon {
    background: linear-gradient(135deg, #a8edea, #fed6e3);
}

/* More Section */
.proof-more-section {
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    z-index: 2;
}

.proof-more-text {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.proof-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: transparent;
    color: var(--white);
    border: 2px solid var(--electric-teal);
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.proof-more-btn:hover {
    background: var(--electric-teal);
    color: var(--midnight-blue);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(30, 213, 195, 0.3);
    text-decoration: none;
}

.proof-more-btn i {
    transition: transform 0.3s ease;
}

.proof-more-btn:hover i {
    transform: translateX(3px);
}

/* Logo Strip */
.logo-strip {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 3rem;
    text-align: center;
    position: relative;
    z-index: 2;
}

.logo-strip-text {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    margin-bottom: 2rem;
    font-style: italic;
}

.logo-carousel {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.logo-item {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.2rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    transition: all 0.3s ease;
}

.logo-item:hover {
    color: var(--white);
    border-color: var(--electric-teal);
    transform: scale(1.05);
}

/* Scroll Animation Classes */
.case-card.animate-in {
    animation: slideUpFade 0.8s ease-out forwards;
}

@keyframes slideUpFade {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .proof-cases {
        padding: 3rem 0;
    }
    
    .proof-title {
        font-size: 2.2rem;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .case-card {
        padding: 2rem 1.5rem;
    }
    
    .case-card h3 {
        font-size: 1.2rem;
    }
    
    .logo-carousel {
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .proof-title {
        font-size: 1.8rem;
    }
    
    .case-card {
        padding: 1.5rem 1rem;
    }
    
    .case-icon {
        width: 60px;
        height: 60px;
    }
    
    .case-icon svg {
        width: 24px;
        height: 24px;
    }
    
    .logo-carousel {
        gap: 1rem;
    }
    
    .logo-item {
        font-size: 1rem;
        padding: 0.4rem 0.8rem;
    }
}

/* Print Styles */
@media print {
    .proof-cases {
        background: white !important;
        color: black !important;
    }
    
    .case-card {
        background: white !important;
        border: 1px solid #ccc !important;
        break-inside: avoid;
    }
    
    .case-card h3,
    .case-metrics li {
        color: black !important;
    }
}