/**
 * Brake IQ - Premium Components
 */

/* Standard Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
    gap: var(--space-sm);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-text-heading);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--gradient-primary);
    box-shadow: var(--shadow-glow-cyan);
    transform: translateY(-2px);
    color: var(--color-text-heading);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--color-border);
    color: var(--color-text-primary);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--color-accent-primary);
    transform: translateY(-2px);
}

.btn-warning {
    background: var(--gradient-warning);
    color: var(--color-text-heading);
    box-shadow: var(--shadow-sm);
}

.btn-warning:hover {
    box-shadow: var(--shadow-glow-orange);
    transform: translateY(-2px);
    color: var(--color-text-heading);
}

.btn-icon svg {
    transition: transform var(--transition-fast);
}

.btn-icon:hover svg {
    transform: translateX(4px);
}

/* Technical Cards */
.card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md), 0 0 10px rgba(0, 180, 216, 0.05);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background-color: rgba(0, 180, 216, 0.1);
    color: var(--color-accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    border: 1px solid rgba(0, 180, 216, 0.15);
}

.card h3 {
    margin-bottom: var(--space-sm);
}

.card p {
    margin-bottom: 0;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-round);
}

.badge-cyan {
    background-color: rgba(0, 180, 216, 0.1);
    color: var(--color-accent-primary);
    border: 1px solid rgba(0, 180, 216, 0.2);
}

.badge-orange {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--color-accent-warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.badge-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--color-accent-success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

/* Comparison Table (Standard vs Brake IQ) */
.comparison-table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-secondary);
}

.comparison-table {
    width: 100%;
    margin-bottom: 0;
}

.comparison-table th, 
.comparison-table td {
    padding: var(--space-md) var(--space-lg);
    text-align: left;
}

.comparison-table th {
    background-color: var(--color-bg-card);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-text-heading);
    border-bottom: 1px solid var(--color-border);
}

.comparison-table td {
    border-bottom: 1px solid var(--color-border);
    font-size: 0.95rem;
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table td:first-child {
    font-weight: 500;
    color: var(--color-text-primary);
}

.comparison-table td.highlight {
    background-color: rgba(0, 180, 216, 0.03);
    color: var(--color-text-primary);
    border-left: 2px solid var(--color-accent-primary);
}

/* Accordion Accordion (details/summary FAQs) */
.faq-accordion {
    margin-top: var(--space-xl);
}

.faq-item {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.faq-item:hover {
    border-color: var(--color-border-hover);
}

.faq-item summary {
    padding: var(--space-lg);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-heading);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-family: var(--font-mono);
    font-size: 1.5rem;
    color: var(--color-accent-primary);
    transition: transform var(--transition-fast);
}

.faq-item[open] summary::after {
    content: '-';
    transform: rotate(180deg);
}

.faq-item .faq-answer {
    padding: 0 var(--space-lg) var(--space-lg) var(--space-lg);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Stats Counter */
.stat-container {
    text-align: center;
}

.stat-number {
    font-family: var(--font-mono);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-accent-primary);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
}

/* Services Overview Section Styling */
.services-overview {
    padding: var(--space-xl) 0;
    position: relative;
    z-index: 10;
    background-color: var(--color-bg-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.service-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    position: relative;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-normal);
    min-height: 290px;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.service-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-8px);
    box-shadow: var(--shadow-md), 0 0 20px rgba(0, 180, 216, 0.1);
}

.service-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background-color: rgba(0, 180, 216, 0.1);
    color: var(--color-accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    border: 1px solid rgba(0, 180, 216, 0.15);
}

.service-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--space-sm);
    color: var(--color-text-heading);
}

.service-card p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
    flex-grow: 1;
}

.service-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-accent-primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: color var(--transition-fast);
    margin-top: auto;
}

.service-link:hover {
    color: var(--color-accent-hover);
}

/* Advanced Service Card (Per Axle / External Sensor Testing) */
.service-card-advanced {
    border-color: rgba(239, 68, 68, 0.25);
}

.service-card-advanced:hover {
    border-color: #ef4444;
    box-shadow: var(--shadow-md), 0 0 20px rgba(239, 68, 68, 0.25);
}

.service-card-advanced .service-card-icon {
    background-color: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.2);
}

.service-card-advanced .service-link {
    color: #ef4444;
}

.service-card-advanced .service-link:hover {
    color: #ff6b6b;
}

.tech-badge {
    position: absolute;
    top: -12px;
    right: var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    background: #ef4444;
    color: #ffffff;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-round);
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}