/* Presentations — layout only. Type lives in css/common.css. */

.presentation-list {
    display: grid;
    gap: var(--space-2xl);
    margin-top: var(--space-2xl);
}

.presentation-item {
    display: grid;
    gap: var(--space-md);
    padding: var(--space-xl);
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--space-sm);
    scroll-margin-top: 5rem;
}

.presentation-steps {
    display: grid;
    gap: var(--space-lg);
    margin: var(--space-xl) 0;
}

@media (min-width: 768px) {
    .presentation-steps {
        grid-template-columns: repeat(3, 1fr);
    }
}

.presentation-step {
    padding: var(--space-lg);
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--space-sm);
}

.presentation-index {
    margin: var(--space-xl) 0;
    padding: var(--space-xl);
    background: var(--color-bg-luxury);
    border: 1px solid var(--color-border);
    border-radius: var(--space-sm);
}

.presentation-index > .kicker {
    margin: 0 0 var(--space-xs);
}

.presentation-index > h3 {
    margin: 0 0 var(--space-lg);
}

.presentation-index__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: var(--space-sm);
}

.presentation-index__list a {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-md);
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-left: var(--space-xs) solid var(--color-primary);
    border-radius: var(--space-sm);
    text-decoration: none;
    color: inherit;
    min-height: 4.5rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.presentation-index__list a:hover,
.presentation-index__list a:focus-visible {
    border-color: var(--color-primary);
    box-shadow: 0 8px 24px color-mix(in srgb, var(--color-nav-bg) 8%, transparent);
    transform: translateY(-1px);
}

.presentation-index__num {
    font-size: var(--font-size-sm, 0.85rem);
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--color-primary);
    min-width: 2ch;
}

.presentation-index__copy {
    display: grid;
    gap: 0.15rem;
    min-width: 0;
}

.presentation-index__copy > .kicker {
    margin: 0;
}

.presentation-index__title {
    font-weight: 600;
    line-height: 1.3;
}

@media (min-width: 768px) {
    .presentation-index__list {
        grid-template-columns: repeat(2, 1fr);
    }
}

.presentation-feature {
    display: block;
    width: min(100%, 900px);
    height: auto;
    margin: 0 0 var(--space-md);
    border-radius: var(--space-sm);
}

.presentation-video,
.presentation-extra {
    margin-top: var(--space-md);
}

.presentation-extra {
    padding: var(--space-xl);
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--space-sm);
}

.video-embed {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: var(--space-sm);
    background: var(--color-dark);
}

.video-embed iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}