/*
 * Circuits DIY 5 — home page sections.
 *
 * Plain CSS on the theme's colour tokens (build/input.css), so light and dark
 * mode follow automatically and nothing here needs the Tailwind build.
 * Every class is prefixed cd5-.
 */

/* ── Hero: compact, search-first ───────────────────────────────────────── */
.cd5-hero { position: relative; overflow: hidden; border-bottom: 1px solid rgb(var(--cd-line)); background: rgb(var(--cd-surface)); }
.cd5-hero::before {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background-image: radial-gradient(rgb(var(--cd-line-2) / .7) 1px, transparent 1.3px);
    background-size: 18px 18px;
    -webkit-mask-image: linear-gradient(100deg, transparent 35%, #000 100%);
            mask-image: linear-gradient(100deg, transparent 35%, #000 100%);
}
.cd5-hero__in { position: relative; display: grid; grid-template-columns: minmax(0, 1fr); gap: 18px; padding-top: 22px; padding-bottom: 22px; }
.cd5-hero__copy, .cd5-hero__find { min-width: 0; }
.cd5-hero__title { margin: 0; color: rgb(var(--cd-ink)); font-size: clamp(1.45rem, 2.5vw, 2.15rem); font-weight: 800; letter-spacing: -.03em; line-height: 1.12; text-wrap: balance; }
.cd5-hero__text { margin: 8px 0 0; max-width: 54ch; color: rgb(var(--cd-ink-2)); font-size: .97rem; line-height: 1.55; }
.cd5-stats { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 12px 0 0; padding: 0; list-style: none; color: rgb(var(--cd-muted)); font-size: .85rem; }
.cd5-stats li { display: inline-flex; align-items: baseline; gap: 5px; }
.cd5-stats b { color: rgb(var(--cd-ink)); font-weight: 800; font-variant-numeric: tabular-nums; }
.cd5-stats li + li::before { content: ""; width: 4px; height: 4px; margin-right: 8px; border-radius: 50%; background: var(--cd-accent); align-self: center; }

.cd5-search { position: relative; display: flex; gap: 6px; padding: 5px; border: 1px solid rgb(var(--cd-line-2)); border-radius: 14px; background: rgb(var(--cd-raised)); box-shadow: 0 6px 20px -12px rgb(var(--cd-shadow) / .35); transition: border-color .15s, box-shadow .15s; }
.cd5-search:focus-within { border-color: var(--cd-primary); box-shadow: 0 0 0 4px var(--cd-primary-soft); }
.cd5-search__icon { position: absolute; left: 17px; top: 50%; width: 20px; height: 20px; transform: translateY(-50%); color: rgb(var(--cd-muted)); pointer-events: none; }
.cd5-search__input { flex: 1; min-width: 0; height: 46px; padding: 0 8px 0 40px; border: 0; background: transparent; color: rgb(var(--cd-ink)); font-size: 1rem; }
.cd5-search__input::placeholder { color: rgb(var(--cd-muted)); }
.cd5-search__input:focus { outline: none; }
.cd5-search__btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 46px; padding: 0 22px; border: 0; border-radius: 10px; background: var(--cd-primary); color: #fff; font-size: .95rem; font-weight: 700; cursor: pointer; transition: background .15s; }
.cd5-search__btn:hover { background: var(--cd-primary-hover); }
.cd5-search__go { display: none; width: 20px; height: 20px; }
@media (max-width: 639.98px) {
    .cd5-search__label { display: none; }
    .cd5-search__go { display: block; }
    .cd5-search__btn { width: 46px; padding: 0; }
}

.cd5-popular { display: flex; align-items: center; gap: 6px; margin-top: 12px; overflow-x: auto; white-space: nowrap; }
.cd5-popular__label { flex: none; margin-right: 2px; color: rgb(var(--cd-muted)); font-size: .82rem; }
.cd5-chip { display: inline-flex; flex: none; align-items: center; height: 30px; padding: 0 12px; border: 1px solid rgb(var(--cd-line)); border-radius: 999px; background: rgb(var(--cd-raised)); color: rgb(var(--cd-ink-2)); font-size: .8rem; font-weight: 600; transition: border-color .15s, color .15s; }
.cd5-chip:hover { border-color: var(--cd-primary); color: var(--cd-primary-ink); }

@media (max-width: 639.98px) {
    .cd5-hero::before { display: none; }
    .cd5-hero__in { gap: 14px; padding-top: 18px; padding-bottom: 18px; }
    .cd5-hero__text { display: -webkit-box; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 2; font-size: .92rem; }
    .cd5-popular { margin-left: -20px; margin-right: -20px; padding: 0 20px; }
    .cd5-stats { gap: 4px 12px; font-size: .8rem; }
    .cd5-stats li + li::before { margin-right: 6px; }
}
@media (min-width: 1024px) {
    .cd5-hero__in { grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); align-items: center; gap: 48px; padding-top: 34px; padding-bottom: 34px; }
    .cd5-popular { flex-wrap: wrap; overflow: visible; white-space: normal; }
}

/* ── Sections and their headings ───────────────────────────────────────── */
.cd5-sec { padding: 36px 0; }
.cd5-sec--tint { border-top: 1px solid rgb(var(--cd-line)); border-bottom: 1px solid rgb(var(--cd-line)); background: rgb(var(--cd-surface)); }
.cd5-sec--line { border-top: 1px solid rgb(var(--cd-line)); }
.cd5-sec--tint + .cd5-sec--line { border-top: 0; }
.cd5-shelf { padding: 22px 0; }
.cd5-shelf:last-of-type { padding-bottom: 40px; }
.cd5-hub + .cd5-shelf, .cd5-sec--line + .cd5-shelf { padding-top: 36px; }
@media (min-width: 768px) { .cd5-sec { padding: 48px 0; } .cd5-shelf { padding: 26px 0; } }

.cd5-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.cd5-head__title { display: flex; align-items: center; gap: 10px; margin: 0; color: rgb(var(--cd-ink)); font-size: clamp(1.25rem, 2vw, 1.55rem); font-weight: 800; letter-spacing: -.02em; line-height: 1.2; }
.cd5-head__icon { width: 22px; height: 22px; flex: none; color: var(--cd-primary-ink); }
.cd5-head__sub { margin: 4px 0 0; color: rgb(var(--cd-muted)); font-size: .92rem; }
.cd5-head__more { display: inline-flex; flex: none; align-items: center; gap: 6px; height: 34px; padding: 0 14px; border: 1px solid rgb(var(--cd-line)); border-radius: 999px; background: rgb(var(--cd-raised)); color: var(--cd-primary-ink); font-size: .85rem; font-weight: 700; white-space: nowrap; transition: background .15s, border-color .15s; }
.cd5-head__more:hover { border-color: var(--cd-primary); background: var(--cd-primary-soft); }
@media (max-width: 479.98px) { .cd5-head__sub { display: none; } .cd5-head { align-items: center; } }

/* ── Featured cards ──────────────────────────────────────────────────── */
.cd4 .hx-card.cd5-card--flag { box-shadow: inset 0 3px 0 var(--cd-accent), 0 1px 2px rgb(var(--cd-shadow) / .05); }
.cd5-flag { display: inline-flex; align-self: flex-start; align-items: center; gap: 4px; padding: 2px 9px; border-radius: 999px; background: var(--cd-accent); color: #1d1a05; font-size: .68rem; font-weight: 800; letter-spacing: .05em; line-height: 1.6; text-transform: uppercase; }
.cd5-flag svg { width: 11px; height: 11px; }

/* ── The library at a glance ─────────────────────────────────────────── */
.cd5-hub { display: grid; gap: 16px; }
@media (min-width: 640px) { .cd5-hub { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1280px) { .cd5-hub { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.cd5-hub__panel { --hub: var(--cd-primary); display: flex; flex-direction: column; min-width: 0; padding: 18px; border: 1px solid rgb(var(--cd-line)); border-top: 3px solid var(--hub); border-radius: 16px; background: rgb(var(--cd-raised)); }
.cd5-hub__panel--mcu { --hub: #16a34a; }
.cd5-hub__panel--ics { --hub: #7c3aed; }
.cd5-hub__panel--datasheets { --hub: #d97706; }
.cd5-hub__top { display: flex; align-items: center; gap: 12px; }
.cd5-hub__icon { display: grid; flex: none; width: 40px; height: 40px; place-items: center; border-radius: 11px; background: color-mix(in srgb, var(--hub) 13%, transparent); color: var(--hub); }
.dark .cd5-hub__icon { background: color-mix(in srgb, var(--hub) 22%, transparent); color: color-mix(in srgb, var(--hub) 60%, #fff); }
.cd5-hub__title { margin: 0; color: rgb(var(--cd-ink)); font-size: 1.05rem; font-weight: 800; letter-spacing: -.01em; }
.cd5-hub__count { margin: 2px 0 0; color: rgb(var(--cd-muted)); font-size: .8rem; font-variant-numeric: tabular-nums; }
.cd5-hub__text { margin: 12px 0 8px; color: rgb(var(--cd-ink-2)); font-size: .86rem; line-height: 1.5; }
.cd5-hub__list { margin: 0 -8px 10px; padding: 0; list-style: none; }
.cd5-hub__list a, .cd5-index a { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; color: rgb(var(--cd-ink-2)); transition: color .12s, background .12s; }
.cd5-hub__list a { padding: 6px 8px; border-radius: 8px; font-size: .9rem; font-weight: 500; }
.cd5-hub__list a:hover { background: rgb(var(--cd-surface)); color: var(--cd-primary-ink); }
.cd5-hub__list span, .cd5-index span { overflow: hidden; min-width: 0; text-overflow: ellipsis; white-space: nowrap; }
.cd5-hub__list em, .cd5-index em { flex: none; color: rgb(var(--cd-muted)); font-size: .76rem; font-style: normal; font-variant-numeric: tabular-nums; }
.cd5-hub__more { display: inline-flex; align-items: center; gap: 6px; margin-top: auto; padding-top: 10px; border-top: 1px solid rgb(var(--cd-line)); color: var(--cd-primary-ink); font-size: .86rem; font-weight: 700; }
.cd5-hub__more:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ── Most viewed · new datasheets · news ─────────────────────────────── */
.cd5-lists { display: grid; gap: 18px; }
@media (min-width: 768px) { .cd5-lists--2, .cd5-lists--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .cd5-lists--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.cd5-list { min-width: 0; padding: 16px 18px 8px; border: 1px solid rgb(var(--cd-line)); border-radius: 16px; background: rgb(var(--cd-raised)); }
.cd5-list__head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 4px; }
.cd5-list__title { display: inline-flex; align-items: center; gap: 8px; margin: 0; color: rgb(var(--cd-ink)); font-size: .78rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.cd5-list__title svg { color: var(--cd-primary-ink); }
.cd5-list__more { color: var(--cd-primary-ink); font-size: .82rem; font-weight: 700; }
.cd5-list__more:hover { text-decoration: underline; text-underline-offset: 3px; }
.cd5-list__items { margin: 0; padding: 0; list-style: none; }
.cd5-row { display: flex; align-items: center; gap: 12px; padding: 10px 0; }
.cd5-row + .cd5-row { border-top: 1px solid rgb(var(--cd-line)); }
.cd5-row__rank { flex: none; width: 18px; color: rgb(var(--cd-line-2)); font-size: 1.15rem; font-weight: 800; text-align: center; font-variant-numeric: tabular-nums; }
.cd5-row:nth-child(-n+3) .cd5-row__rank { color: var(--cd-primary-ink); }
.cd5-row__thumb { display: grid; flex: none; width: 92px; aspect-ratio: 16 / 9; place-items: center; overflow: hidden; border-radius: 8px; background: rgb(var(--cd-surface)); color: rgb(var(--cd-line-2)); }
.cd5-row__thumb img { display: block; width: 100%; height: 100%; max-width: none; object-fit: contain; }
.cd5-row__title { display: -webkit-box; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 2; color: rgb(var(--cd-ink)); font-size: .9rem; font-weight: 600; line-height: 1.35; }
.cd5-row__title:hover { color: var(--cd-primary-ink); }
.cd5-row__meta { display: flex; flex-wrap: wrap; gap: 4px 10px; margin: 3px 0 0; color: rgb(var(--cd-muted)); font-size: .76rem; }
.cd5-row__meta span { display: inline-flex; align-items: center; gap: 4px; }

/* ── All topics, A to Z ──────────────────────────────────────────────── */
.cd5-index { margin: 0; padding: 0; list-style: none; columns: 1; column-gap: 32px; }
@media (min-width: 560px) { .cd5-index { columns: 2; } }
@media (min-width: 900px) { .cd5-index { columns: 3; } }
@media (min-width: 1200px) { .cd5-index { columns: 4; } }
.cd5-index li { break-inside: avoid; }
.cd5-index a { padding: 7px 0; border-bottom: 1px solid rgb(var(--cd-line)); font-size: .9rem; }
.cd5-index a:hover { color: var(--cd-primary-ink); }

/* ── Phones: swipeable card rows, shorter lists ────────────────────────── */
.cd5-more > summary { list-style: none; }
.cd5-more > summary::-webkit-details-marker { display: none; }
.cd5-more__btn { display: none; }
@media (max-width: 639.98px) {
    .cd5-rail .grid { display: flex; gap: 14px; margin: 0 -20px; padding: 2px 20px 12px; overflow-x: auto; overscroll-behavior-x: contain; scroll-snap-type: x mandatory; scroll-padding: 0 20px; scrollbar-width: none; }
    .cd5-rail .grid::-webkit-scrollbar { display: none; }
    .cd5-rail .grid > * { flex: 0 0 82%; scroll-snap-align: start; }
    .cd4 .cd5-rail .hx-card:hover { transform: none; }
    .cd5-hub__list li:nth-child(n+6) { display: none; }
    .cd5-row:nth-child(n+5) { display: none; }
    .cd5-more__btn { display: flex; align-items: center; justify-content: center; gap: 6px; height: 44px; border: 1px solid rgb(var(--cd-line)); border-radius: 12px; background: rgb(var(--cd-raised)); color: var(--cd-primary-ink); font-size: .92rem; font-weight: 700; cursor: pointer; }
    .cd5-more[open] .cd5-more__btn { margin-bottom: 12px; }
    .cd5-more[open] .cd5-more__btn svg { transform: rotate(180deg); }
}

@media (prefers-reduced-motion: reduce) {
    .cd5-chip, .cd5-search, .cd5-search__btn, .cd5-head__more, .cd5-hub__list a { transition: none; }
}