/* ==========================================================================
   Components (Buttons, Cards, Inputs)
   ========================================================================== */

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    box-shadow: 0 0 10px rgba(0, 146, 234, 0.2);
}

.btn-primary:hover {
    background-color: #fff;
    color: var(--color-text-inverse);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background-color: var(--color-primary-glow);
    box-shadow: var(--shadow-glow);
}

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

.btn-outline-secondary:hover {
    background-color: rgba(117, 196, 69, 0.15);
    box-shadow: 0 0 15px var(--color-secondary-glow);
    color: #fff;
}

/* --- Cards (Service/Tech Cards) --- */
.card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-card);
}

.card:hover::before {
    transform: translateX(100%);
}

.card-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
    color: #fff;
}

/* Card — Lime accent variant */
.card--lime:hover {
    border-color: var(--color-secondary);
}

.card--lime::before {
    background: linear-gradient(90deg, transparent, var(--color-secondary), transparent);
}

/* Card detail link */
.card-link {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.card-link .card-link-arrow {
    font-size: 1.2em;
    transition: transform var(--transition-fast);
}

.card-link:hover .card-link-arrow {
    transform: translateX(4px);
}

/* Card number labels */
.card-number {
    font-family: var(--font-mono);
}

.card-number--blue {
    color: var(--color-primary);
}

.card-number--lime {
    color: var(--color-secondary);
}

/* --- Badges / Tags --- */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    border-radius: 50px;
    background-color: rgba(117, 196, 69, 0.1);
    color: var(--color-secondary);
    border: 1px solid var(--color-secondary);
}

/* --- Forms --- */
.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    margin-bottom: var(--space-xs);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: var(--color-bg-base);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: #fff;
    font-family: var(--font-sans);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px var(--color-primary-glow);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* --- Hardware / Tech Specifications Table --- */
.tech-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-md) 0;
    font-size: 0.9rem;
}

.tech-table th,
.tech-table td {
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.tech-table th {
    font-family: var(--font-mono);
    color: var(--color-primary);
    background-color: rgba(0, 146, 234, 0.05);
}

.tech-table tr:hover td {
    background-color: rgba(255, 255, 255, 0.02);
}

/* --- Grid visual background (Engineering diagram feel) --- */
.bg-grid {
    background-size: 40px 40px;
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
}