.projects {
    padding: 0 var(--space-6) var(--space-8);
}

/* Prevents shared or browser button styles from overriding the GitHub action's success state. */
.intro__actions .button--github {
    background-color: var(--color-success) !important;
    border-color: var(--color-success) !important;
    color: var(--button-text) !important;
}

.intro__actions .button--github:hover,
.intro__actions .button--github:focus-visible {
    box-shadow: var(--shadow-sm);
    color: var(--button-text) !important;
}

.projects h1 {
    margin: 0;
    padding-top: var(--space-8);
    color: var(--color-heading);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    font-size: var(--font-size-xl);
}

.projects h2,
.project-card h3 {
    margin: 0;
    color: var(--color-heading);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
}

.projects-list {
    /* Three fractional tracks share the available content width and allow card text to wrap. */
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
    align-items: stretch;
    margin-top: var(--space-3);
}

.project-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-width: 0;
    background: var(--card-bg);
    border: var(--border-width) var(--border-style) var(--card-border);
    border-radius: var(--radius-none);
    padding: var(--space-3);
}

.project-card__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-2);
}

/* Keeps the completion state in the upper-right while allowing long project titles to wrap. */
.project-card__status {
    flex: 0 0 auto;
    background: var(--color-surface-alt);
    border: var(--border-width) var(--border-style) var(--color-success);
    /* Uses a custom large radius because the token set has no pill-shaped radius. */
    border-radius: 999px;
    padding: var(--space-1) var(--space-2);
    color: var(--color-success);
    font-family: var(--font-family-mono);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    text-transform: uppercase;
}

.project-card p {
    margin: var(--space-2) 0 0;
    font-size: var(--font-size-sm);
}

.project-card .project-card__technologies {
  /* Pushes the muted technology list to the card's lower content area. */
  margin-top: auto;
  padding-top: var(--space-2);
  color: var(--color-text-muted);
}

.project-card__link {
    margin-top: 0;
    padding-top: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.projects__divider {
    margin: var(--space-8) 0 0;
    border: 0;
    border-top: var(--border-width) var(--border-style) var(--color-border-);
}

/* Frames the project's forward-looking work as a compact three-horizon roadmap. */
.upcoming-work {
    margin-top: var(--space-8);
    border: var(--border-width) var(--border-style) var(--card-border);
}

.upcoming-work__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--table-header-bg);
    border-bottom: var(--border-width) var(--border-style) var(--card-border);
}

.upcoming-work h2,
.upcoming-work h3 {
    margin: 0;
    color: var(--color-heading);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
}

.upcoming-work h2 {
    margin-top: var(--space-2);
    font-size: var(--font-size-xl);
}

.upcoming-work__hint {
    margin: 0;
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
}

/* The carousel grid reserves compact controls around the visible work cards. */
.upcoming-work__carousel {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: stretch;
}

.upcoming-work__control {
    background: var(--color-primary-strong);
    border: var(--border-width) var(--border-style) var(--color-primary-strong);
    border-radius: var(--radius-none);
    color: var(--button-text);
    cursor: pointer;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    padding: var(--space-3);
}

.upcoming-work__control:hover,
.upcoming-work__control:focus-visible {
    background: var(--button-bg-hover);
    border-color: var(--button-bg-hover);
}

.upcoming-work__control:focus-visible {
    outline: var(--border-width) var(--border-style) var(--input-focus);
    outline-offset: calc(var(--border-width) * -1);
}

.upcoming-work__control:disabled {
    border-color: var(--color-border);
    background: var(--color-surface-alt);
    color: var(--color-text-muted);
    cursor: not-allowed;
}

/* Clips off-screen cards so the translated track exposes only the active window. */
.upcoming-work__viewport {
    min-width: 0;
    overflow: hidden;
}

/* A flex track and percentage translations provide one-card sliding without fixed widths. */
.upcoming-work__timeline {
    display: flex;
    transition: transform 200ms ease-in-out;
}

.upcoming-work__carousel[data-carousel-index="1"] .upcoming-work__timeline {
    transform: translateX(-50%);
}

.upcoming-work__horizon {
    box-sizing: border-box;
    flex: 0 0 50%;
    padding: var(--space-5);
    border-left: var(--border-width) var(--border-style) var(--card-border);
}

.upcoming-work__horizon:first-child {
    border-left: 0;
}

.upcoming-work__horizon--active {
    background: var(--color-surface-alt);
}

.upcoming-work__timeframe {
    margin: 0;
    color: var(--color-primary);
    font-family: var(--font-family-mono);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
}

.upcoming-work__timeframe span {
    display: block;
    margin-top: var(--space-1);
    color: var(--color-text-muted);
    font-family: var(--font-family-body);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    text-transform: none;
}

.upcoming-work h3 {
    margin-top: var(--space-4);
    font-size: var(--font-size-md);
}

.upcoming-work__horizon > p:not(.upcoming-work__timeframe) {
    margin: var(--space-2) 0 0;
    font-size: var(--font-size-sm);
}

/* Disables the custom slide transition for visitors who request reduced motion. */
@media (prefers-reduced-motion: reduce) {
    .upcoming-work__timeline {
        transition: none;
    }
}

/* Stacks dense project and roadmap content before their columns become cramped. */
@media (max-width: 640px) {
    .projects-list {
        grid-template-columns: 1fr;
    }

    .upcoming-work__horizon {
        flex-basis: 100%;
    }

    /* Mobile shows one card at a time, so each index advances by a full viewport. */
    .upcoming-work__carousel[data-carousel-index="1"] .upcoming-work__timeline {
        transform: translateX(-100%);
    }

    .upcoming-work__carousel[data-carousel-index="2"] .upcoming-work__timeline {
        transform: translateX(-200%);
    }

    .upcoming-work__horizon {
        border-left: var(--border-width) var(--border-style) var(--card-border);
    }

}