/* ==========================================================================
   components.css — buttons, icon controls, modals, shared UI pieces
   ========================================================================== */

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border: 2px solid var(--color-gold);
    border-radius: var(--radius-pill);
    background: var(--color-surface-raised);
    color: var(--color-gold);
    font-weight: 600;
    text-align: center;
    transition: background var(--transition-fast), color var(--transition-fast),
        transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn:hover,
.btn:focus-visible {
    background: var(--color-gold);
    color: var(--color-black);
    transform: translateY(-3px);
}

.btn--solid {
    background: var(--color-gold);
    color: var(--color-black);
    border-color: var(--color-gold);
}

.btn--solid:hover,
.btn--solid:focus-visible {
    box-shadow: 0 5px 15px var(--color-gold-glow);
}

.btn--block {
    width: 100%;
}

/* While a download is being fetched */
.btn.is-busy {
    opacity: 0.65;
    pointer-events: none;
}

/* --------------------------------------------------------------------------
   Circular icon controls (carousel arrows, pause buttons)
   -------------------------------------------------------------------------- */

.icon-btn {
    display: grid;
    place-items: center;
    width: 45px;
    height: 45px;
    border: 2px solid var(--color-gold);
    border-radius: var(--radius-circle);
    background: var(--color-surface-raised);
    color: var(--color-gold);
    backdrop-filter: blur(5px);
    transition: background var(--transition-fast), color var(--transition-fast);
}

.icon-btn:hover,
.icon-btn:focus-visible {
    background: var(--color-gold);
    color: var(--color-black);
}

.icon-btn--sm {
    width: 38px;
    height: 38px;
}

/* --------------------------------------------------------------------------
   Modal shell (shared by the image lightbox and the video lightbox)
   -------------------------------------------------------------------------- */

.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    background: rgba(0, 0, 0, 0.92);
}

.modal.is-open {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.modal__close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    z-index: 1;
    color: var(--color-gold);
    font-size: 2rem;
    line-height: 1;
}

/* --------------------------------------------------------------------------
   Loading spinner
   -------------------------------------------------------------------------- */

.spinner {
    width: 44px;
    height: 44px;
    border: 3px solid rgba(255, 215, 0, 0.25);
    border-top-color: var(--color-gold);
    border-radius: var(--radius-circle);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* --------------------------------------------------------------------------
   Section heading
   -------------------------------------------------------------------------- */

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--space-2xl);
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }

    .icon-btn {
        width: 38px;
        height: 38px;
        font-size: 0.9rem;
    }

    .modal__close {
        top: var(--space-md);
        right: var(--space-md);
        font-size: 1.6rem;
    }
}