/* ── Roadmap Block ───────────────────────────────────────────────────────── */

/* ── Track ───────────────────────────────────────────────────────────────── */
.kdk-roadmap__track {
    display: flex;
    flex-direction: column;
    position: relative;
}

/* ── Step ─────────────────────────────────────────────────────────────────── */
.kdk-roadmap__step {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 1.5rem;
    position: relative;
}

/* ── Connector (dot + line) ──────────────────────────────────────────────── */
.kdk-roadmap__connector {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.kdk-roadmap__dot {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
    z-index: 1;
    transition: transform 200ms ease;
}
.kdk-roadmap__step--active .kdk-roadmap__dot {
    transform: scale(1.15);
    box-shadow: 0 0 0 4px rgba(153,102,255,0.25);
}
.kdk-roadmap__line {
    width: 3px;
    flex: 1;
    min-height: 2rem;
}

/* ── Content ─────────────────────────────────────────────────────────────── */
.kdk-roadmap__content {
    padding-bottom: 2.5rem;
}
.kdk-roadmap__step:last-child .kdk-roadmap__content {
    padding-bottom: 0;
}
.kdk-roadmap__title {
    font-weight: 700;
    margin: 0 0 0.35rem;
    line-height: 1.3;
}
.kdk-roadmap__step--upcoming .kdk-roadmap__title {
    opacity: 0.5;
}
.kdk-roadmap__desc {
    font-size: clamp(1rem, 1.25vw, 1.125rem);
    line-height: 1.7;
    opacity: 0.8;
}
.kdk-roadmap__desc p { margin: 0.4em 0; }
.kdk-roadmap__desc p:first-child { margin-top: 0; }
.kdk-roadmap__desc a { color: inherit; text-decoration: underline; text-underline-offset: 0.15em; }
.kdk-roadmap__step--upcoming .kdk-roadmap__desc { opacity: 0.6; }

/* ── Straight layout (default) ───────────────────────────────────────────── */
/* Default is left-aligned timeline — no extra rules needed */

/* ── Zigzag layout: alternating left/right ───────────────────────────────── */
.kdk-roadmap--zigzag .kdk-roadmap__track {
    max-width: 800px;
    margin-inline: auto;
}
.kdk-roadmap--zigzag .kdk-roadmap__step {
    grid-template-columns: 1fr 48px 1fr;
    gap: 1rem;
}
.kdk-roadmap--zigzag .kdk-roadmap__connector {
    grid-column: 2;
}
.kdk-roadmap--zigzag .kdk-roadmap__content {
    grid-column: 3;
    text-align: left;
}
.kdk-roadmap--zigzag .kdk-roadmap__step:nth-child(even) .kdk-roadmap__content {
    grid-column: 1;
    grid-row: 1;
    text-align: right;
}

/* ── Curved layout: S-curve via alternating padding ──────────────────────── */
.kdk-roadmap--curved .kdk-roadmap__track {
    max-width: 700px;
    margin-inline: auto;
}
.kdk-roadmap--curved .kdk-roadmap__step {
    grid-template-columns: 48px 1fr;
    transition: transform 300ms ease;
}
.kdk-roadmap--curved .kdk-roadmap__step:nth-child(odd) {
    padding-left: 0;
    padding-right: 30%;
}
.kdk-roadmap--curved .kdk-roadmap__step:nth-child(even) {
    padding-left: 30%;
    padding-right: 0;
}
.kdk-roadmap--curved .kdk-roadmap__line {
    border-radius: 999px;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
    /* Zigzag falls back to straight on mobile */
    .kdk-roadmap--zigzag .kdk-roadmap__step {
        grid-template-columns: 48px 1fr;
    }
    .kdk-roadmap--zigzag .kdk-roadmap__connector { grid-column: 1; }
    .kdk-roadmap--zigzag .kdk-roadmap__content,
    .kdk-roadmap--zigzag .kdk-roadmap__step:nth-child(even) .kdk-roadmap__content {
        grid-column: 2;
        text-align: left;
        grid-row: auto;
    }
    .kdk-roadmap--curved .kdk-roadmap__step:nth-child(odd),
    .kdk-roadmap--curved .kdk-roadmap__step:nth-child(even) {
        padding-left: 0;
        padding-right: 0;
    }
}