/* ============================================
   CARDS.CSS - Service Cards & Tech Stack
   F1Key Website - Enterprise Software Engineering
   ============================================ */

/* ==================== */
/* SERVICES SECTION */
/* ==================== */

.services {
    background: var(--color-surface-1);
    padding: var(--spacing-xl) 0;
}

.services-grid {
    gap: 32px;
    margin-top: var(--spacing-lg);
}

/* ==================== */
/* SERVICE CARD */
/* ==================== */

.service-card {
    background: var(--color-surface-2);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg) var(--spacing-md);
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

/* Red Background Slide Effect */
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--color-ferrari-red);
    transition: left 0.5s ease;
    z-index: 0;
}

.service-card:hover::before {
    left: 0;
}

/* Card Content Above Background */
.service-card > * {
    position: relative;
    z-index: 1;
}

/* Hover Effects */
.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(220, 20, 60, 0.2);
    border-color: rgba(220, 20, 60, 0.3);
    border-color: var(--color-ferrari-red);
    box-shadow: 0 12px 32px rgba(220, 20, 60, 0.3);
}

/* Icon */
.service-icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-md);
    color: var(--color-ferrari-red);
    transition: all var(--transition-normal);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
    color: var(--color-white);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

/* Title */
.service-title {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-normal);
}

/* Description */
.service-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-light-gray);
    margin-bottom: var(--spacing-md);
    transition: color var(--transition-normal);
}

.service-card:hover .service-description {
    color: rgba(255, 255, 255, 0.95);
}

/* Features List */
.service-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.service-features li {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--color-light-gray);
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.5rem;
    transition: color var(--transition-normal);
}

/* Custom Bullet Point */
.service-features li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-ferrari-red);
    font-weight: bold;
    transition: color var(--transition-normal);
}

.service-card:hover .service-features li {
    color: var(--color-white);
}

.service-card:hover .service-features li::before {
    color: var(--color-white);
}

/* ==================== */
/* TECH STACK SECTION */
/* ==================== */

.tech-stack {
    background: var(--color-surface-base);
    padding: 120px 0;
}

.tech-grid {
    gap: 32px;
    margin-top: var(--spacing-lg);
}

/* ==================== */
/* TECH CATEGORY CARD */
/* ==================== */

.tech-category {
    background: var(--color-surface-2);
    border-left: 4px solid var(--color-ferrari-red);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

/* Hover Effect - Slide Right */
.tech-category:hover {
    transform: translateX(8px);
    background: var(--color-surface-3);
    box-shadow: -6px 0 24px rgba(220, 20, 60, 0.3),
                0 4px 16px rgba(0, 0, 0, 0.2);
    border-left-width: 6px;
}

/* Category Title */
.tech-category-title {
    font-family: var(--font-primary);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-ferrari-red);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color var(--transition-fast);
}

.tech-category:hover .tech-category-title {
    color: var(--color-white);
}

/* Tech List */
.tech-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tech-list li {
    font-size: 0.95rem;
    line-height: 2;
    color: var(--color-light-gray);
    padding: 0.25rem 0;
    transition: all var(--transition-fast);
    position: relative;
    padding-left: 1.5rem;
}

/* Bullet Point */
.tech-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--color-ferrari-red);
    opacity: 0.7;
    transition: all var(--transition-fast);
}

.tech-category:hover .tech-list li {
    color: var(--color-white);
    padding-left: 2rem;
}

.tech-category:hover .tech-list li::before {
    opacity: 1;
    left: 0.5rem;
}

/* Background Accent */
.tech-category::after {
    content: '';
    position: absolute;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(220, 20, 60, 0.05) 100%
    );
    transition: right 0.5s ease;
}

.tech-category:hover::after {
    right: 0;
}

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

/* Tablets */
@media (max-width: 968px) {
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .service-card {
        padding: var(--spacing-md);
    }
    
    .service-title {
        font-size: 1.35rem;
    }
}

/* Mobile */
@media (max-width: 640px) {
    .services-grid,
    .tech-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .service-card,
    .tech-category {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .service-icon {
        width: 50px;
        height: 50px;
    }
    
    .service-title {
        font-size: 1.25rem;
    }
    
    .service-description {
        font-size: 0.95rem;
    }
    
    .tech-category-title {
        font-size: 1.1rem;
    }
    
    .tech-list li {
        font-size: 0.9rem;
    }
}

/* ==================== */
/* ANIMATION STATES */
/* ==================== */

/* Service Cards - Fade In with Stagger */
.service-card {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.service-card.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delays */
.service-card:nth-child(1) { transition-delay: 0.1s; }
.service-card:nth-child(2) { transition-delay: 0.2s; }
.service-card:nth-child(3) { transition-delay: 0.3s; }
.service-card:nth-child(4) { transition-delay: 0.4s; }

/* Tech Categories - Fade In with Stagger */
.tech-category {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s ease;
}

.tech-category.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Stagger delays */
.tech-category:nth-child(1) { transition-delay: 0.1s; }
.tech-category:nth-child(2) { transition-delay: 0.2s; }
.tech-category:nth-child(3) { transition-delay: 0.3s; }
.tech-category:nth-child(4) { transition-delay: 0.4s; }

/* Section Headers */
.section-header {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease;
}

.section-header.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==================== */
/* ACCESSIBILITY */
/* ==================== */

/* Focus States for Keyboard Navigation */
.service-card:focus-visible,
.tech-category:focus-visible {
    outline: 2px solid var(--color-ferrari-red);
    outline-offset: 4px;
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .service-card,
    .tech-category,
    .service-card::before,
    .tech-category::after {
        transition: none;
    }
    
    .service-card:hover,
    .tech-category:hover {