/* ========================================
   COMPONENTS — Cards, Buttons, Form, etc.
   ======================================== */

/* ---- BUTTONS ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.85rem 2rem;
    font-family: 'Oswald', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition:
        transform var(--transition-fast),
        box-shadow var(--transition-fast),
        background var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: #ffffff;
    box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px var(--accent-glow);
    color: #ffffff;
}

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 1.5px solid var(--accent);
}

.btn-outline:hover {
    background: var(--accent-subtle);
    transform: translateY(-2px);
    color: var(--accent);
}

.btn-whatsapp {
    background: #25d366;
    color: #ffffff;
    font-family: 'Inter', sans-serif;
    font-size: 0.8rem;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-sm);
}

.btn-whatsapp:hover {
    background: #20bd5a;
    transform: translateY(-1px);
    color: #ffffff;
}

.btn-sm {
    padding: 0.6rem 1.4rem;
    font-size: 0.82rem;
}

/* ---- KIT CARD ---- */
.kit-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-top: 3px solid var(--accent);
    border-radius: var(--radius-md);
    padding: var(--space-xl) var(--space-lg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition:
        transform var(--transition-base),
        box-shadow var(--transition-base),
        background var(--transition-base);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.kit-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg), 0 0 40px var(--accent-glow);
    background: var(--glass-bg-hover);
}

.kit-card .kit-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.3rem 0.8rem;
    background: var(--accent-subtle);
    color: var(--accent);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    align-self: flex-start;
}

.kit-card h3 {
    font-size: 1.3rem;
}

.kit-card .kit-desc {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
}

.kit-card .kit-specs {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    padding: var(--space-md) 0;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.kit-card .kit-specs li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.kit-card .kit-specs li::before {
    content: '›';
    color: var(--accent);
    font-weight: 700;
    font-size: 1.1rem;
}

.kit-card .kit-price {
    font-family: 'Oswald', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent);
    margin-top: auto;
}

.kit-card .kit-price span {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* ---- PART CARD ---- */
.part-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition:
        transform var(--transition-base),
        box-shadow var(--transition-base);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.part-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.part-card .part-img {
    width: 100%;
    aspect-ratio: 16/10;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-sm);
}

.part-card .part-img .placeholder-icon {
    font-size: 2rem;
    opacity: 0.2;
}

.part-card .part-carousel {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    position: relative;
    align-items: stretch;
    justify-content: flex-start;
}

.part-carousel::-webkit-scrollbar {
    display: none;
}

.part-carousel img {
    min-width: 100%;
    width: 100%;
    height: 100%;
    object-fit: cover;
    scroll-snap-align: start;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: var(--space-xs);
}

.carousel-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    opacity: 0.35;
    transition: opacity var(--transition-fast), background var(--transition-fast);
    cursor: pointer;
}

.carousel-dots span.active {
    opacity: 1;
    background: var(--accent);
}

.part-card h4 {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
}

.part-card .part-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.part-card .part-compat {
    display: inline-flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: auto;
}

.part-card .part-compat span {
    padding: 0.2rem 0.6rem;
    background: var(--accent-subtle);
    color: var(--accent);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

/* ---- STATS ROW ---- */
.stats-row {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
    padding: var(--space-xl) 0;
}

.stat-item {
    text-align: center;
}

.stat-item .stat-number {
    font-family: 'Oswald', sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}

.stat-item .stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: var(--space-xs);
}

/* ---- TIMELINE ---- */
.timeline {
    position: relative;
    padding-left: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 8px;
    bottom: 0;
    width: 2px;
    background: var(--border-subtle);
}

.timeline-item {
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--space-xl) + 4px);
    top: 6px;
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--accent-glow);
}

.timeline-item h4 {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    margin-bottom: var(--space-xs);
}

.timeline-item p {
    font-size: 0.92rem;
}

.timeline-item .timeline-meta {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

/* ---- VIDEO EMBED ---- */
.video-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.video-placeholder {
    aspect-ratio: 16/9;
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: border-color var(--transition-fast);
}

.video-placeholder:hover {
    border-color: var(--border-accent);
}

/* ---- CONTACT CARD ---- */
.contact-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: border-color var(--transition-fast);
}

.contact-card:hover {
    border-color: var(--border-accent);
}

.contact-card .card-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-subtle);
    color: var(--accent);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    font-size: 1.2rem;
}

.contact-card h4 {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    margin-bottom: 2px;
}

.contact-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ---- CONTACT FORM ---- */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-group label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    padding: 0.85rem 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .video-grid {
        grid-template-columns: 1fr;
    }

    .stats-row {
        gap: var(--space-xl);
    }
}