.intro-panel,
.surface-panel,
.ui-panel.surface-panel,
.list-card,
.generated-invitation {
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-medium);
    background: var(--color-surface);
}

.intro-panel,
.surface-panel,
.ui-panel.surface-panel,
.generated-invitation {
    box-shadow: var(--shadow-surface);
}

.intro-panel {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(17rem, 0.85fr);
    gap: clamp(2rem, 6vw, 4rem);
    overflow: hidden;
    padding: clamp(1.5rem, 5vw, 3.25rem);
    background:
        linear-gradient(145deg, var(--color-primary-highlight), transparent 45%),
        var(--color-surface);
}

.intro-panel::before {
    position: absolute;
    width: 18rem;
    height: 18rem;
    border-radius: 50%;
    background: var(--color-success-highlight);
    content: "";
    filter: blur(1px);
    pointer-events: none;
    right: -8rem;
    top: -10rem;
}

.intro-copy {
    position: relative;
    z-index: 1;
    align-self: center;
}

.intro-copy h1 {
    max-width: 42rem;
    font-size: clamp(2.6rem, 8vw, 4.4rem);
}

.intro-kicker {
    margin: 0 0 0.75rem;
    color: var(--color-success);
    font-size: 0.8rem;
    font-weight: var(--font-weight-strong);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.home-preview {
    position: relative;
    z-index: 1;
    align-self: center;
    padding: 1rem;
    border: 1px solid var(--color-primary-border-subtle);
    border-radius: var(--radius-large);
    background: var(--color-canvas-translucent);
    box-shadow: var(--shadow-preview);
}

.home-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.85rem;
}

.home-preview-label {
    color: var(--color-text-muted);
    font-size: 0.78rem;
    font-weight: var(--font-weight-strong);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.home-preview-status {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--color-success);
    font-size: 0.78rem;
    font-weight: var(--font-weight-medium);
}

.home-preview-status::before {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: currentcolor;
    content: "";
}

.home-preview-events {
    display: grid;
    gap: 0.65rem;
}

.home-preview-event {
    display: grid;
    grid-template-columns: 3.5rem minmax(0, 1fr);
    gap: 0.8rem;
    align-items: center;
    padding: 0.75rem;
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-medium);
    background: var(--color-surface-raised);
}

.home-preview-date {
    display: flex;
    min-height: 3.25rem;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    border-radius: var(--radius-small);
    background: var(--color-primary-soft);
    color: var(--color-primary-hover);
    font-weight: var(--font-weight-heading);
    line-height: 1.05;
    text-align: center;
}

.home-preview-event:nth-child(2) .home-preview-date {
    background: var(--color-success-soft);
    color: var(--color-success);
}

.home-preview-event:nth-child(3) .home-preview-date {
    background: var(--color-warning-soft);
    color: var(--color-warning);
}

.home-preview-copy strong,
.home-preview-copy span {
    display: block;
}

.home-preview-copy strong {
    color: var(--color-text);
    font-size: var(--font-size-compact);
}

.home-preview-copy span {
    margin-top: 0.18rem;
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
    margin: 1.25rem 0 0;
    padding: 0;
    list-style: none;
}

.feature-list li {
    padding: 0.9rem 1rem;
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-medium);
    background: var(--color-surface-translucent-muted);
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

.card-list {
    display: grid;
    gap: 0.75rem;
}

.list-card {
    display: flex;
    min-width: 0;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem;
    background: var(--color-surface-translucent-strong);
}

.list-card > * {
    min-width: 0;
}

.card-heading,
.panel-heading {
    margin: 0;
    letter-spacing: 0;
}

.card-heading {
    font-size: 1rem;
}

.card-heading a {
    color: var(--color-text);
    text-decoration-color: var(--color-primary-underline);
}

.panel-heading {
    font-size: 1.08rem;
}

.invitation-card {
    align-items: flex-end;
}

.invitation-details {
    flex: 1;
}

.generated-invitation {
    display: grid;
    gap: 0.5rem;
    padding: 1rem;
    border-color: var(--color-success-border);
    background: linear-gradient(135deg, var(--color-success-soft), var(--color-surface));
}

.lightweight-panel {
    padding: 1.25rem;
}

@media (width <= 52rem) {
    .intro-panel {
        grid-template-columns: 1fr;
    }

    .feature-list {
        grid-template-columns: 1fr;
    }

    .list-card {
        align-items: stretch;
        flex-direction: column;
    }

    .invitation-card {
        align-items: stretch;
    }
}

@media (width <= 32rem) {
    .intro-panel {
        padding: 1.25rem;
    }

    .home-preview {
        padding: 0.75rem;
    }

    .home-preview-event {
        grid-template-columns: 3.2rem minmax(0, 1fr);
        padding: 0.65rem;
    }
}