/* Articles page. Every rule is under .vpb so the site's header, footer and theme stay untouched. */

.vpb {
  --vpb-c: #035dcd;
  --vpb-deep: color-mix(in srgb, var(--vpb-c) 62%, #000);
  --vpb-tint: color-mix(in srgb, var(--vpb-c) 8%, #fff);
  --vpb-ink: #18202e;
  --vpb-ink2: #566072;
  --vpb-line: #e3e8ef;
  color: var(--vpb-ink);
  background: #fff;
  font-size: 16px;
  line-height: 1.7;
  text-align: right;
  padding-bottom: 72px;
  box-sizing: border-box;
}
.vpb *, .vpb *::before, .vpb *::after { box-sizing: border-box; }
.vpb [hidden] { display: none !important; }
.vpb a { color: inherit; text-decoration: none; }
.vpb h1, .vpb h2, .vpb h3, .vpb p { margin: 0; padding: 0; color: inherit; font-family: inherit; letter-spacing: 0; text-transform: none; }
.vpb button, .vpb input { font: inherit; }
.vpb-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.vpb-wrap { width: 100%; max-width: 1180px; margin-inline: auto; padding-inline: 24px; position: relative; }

/* Heading band */
.vpb-hero { position: relative; background: var(--vpb-c); color: #fff; padding: 64px 0 104px; overflow: hidden; }
.vpb .vpb-hero h1 { font-size: clamp(32px, 5vw, 54px); font-weight: 800 !important; line-height: 1.3; color: #fff !important; max-width: none; }
.vpb .vpb-sub { font-size: clamp(16px, 2vw, 19px); margin-top: 10px; max-width: 46ch; color: rgba(255,255,255,.88); }
.vpb-ecg { position: absolute; inset: auto 0 22px; width: 100%; height: 110px; }
.vpb-ecg path { fill: none; stroke: rgba(255,255,255,.24); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.vpb.is-loading .vpb-ecg path { stroke: rgba(255,255,255,.75); stroke-dasharray: 160 1400; animation: vpb-trace 1s linear infinite; }
@keyframes vpb-trace { to { stroke-dashoffset: -1560; } }

/* Search: sits across the edge of the band */
.vpb-search { position: relative; z-index: 2; display: flex; align-items: center; gap: 6px; background: #fff; border-radius: 18px; padding: 8px 18px 8px 8px; margin-top: -40px; box-shadow: 0 18px 44px color-mix(in srgb, var(--vpb-deep) 28%, transparent); min-height: 80px; }
.vpb-search:focus-within { outline: 3px solid color-mix(in srgb, var(--vpb-c) 35%, #fff); }
.vpb-search > svg { width: 24px; height: 24px; flex: none; fill: none; stroke: var(--vpb-c); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.vpb .vpb-search input { flex: 1; min-width: 0; height: 60px; border: 0; background: none; box-shadow: none; outline: 0; font-size: 18px; color: var(--vpb-ink); padding: 0 8px; border-radius: 0; text-align: right; }
.vpb .vpb-search input::placeholder { color: #7b8596; opacity: 1; }
.vpb .vpb-search input::-webkit-search-cancel-button { display: none; }
.vpb .vpb-clear { flex: none; width: 44px; height: 44px; border: 0; border-radius: 50%; background: none; color: var(--vpb-ink2); font-size: 26px; line-height: 1; padding: 0; cursor: pointer; }
.vpb .vpb-clear:hover { background: var(--vpb-tint); color: var(--vpb-ink); }
.vpb .vpb-go { flex: none; height: 62px; border: 0; border-radius: 13px; padding: 0 36px; background: var(--vpb-c); color: #fff; font-size: 17px; font-weight: 700; cursor: pointer; }
.vpb .vpb-go:hover { background: var(--vpb-deep); }

/* Categories */
.vpb-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.vpb .vpb-chip { min-height: 42px; padding: 7px 18px; border-radius: 99px; background: var(--vpb-tint); color: var(--vpb-deep); font-size: 15px; font-weight: 500; display: inline-flex; align-items: center; white-space: nowrap; }
.vpb .vpb-chip:hover { background: color-mix(in srgb, var(--vpb-c) 16%, #fff); }
.vpb .vpb-chip[aria-current] { background: var(--vpb-c); color: #fff; font-weight: 700; }

.vpb .vpb-count { color: var(--vpb-ink2); font-size: 15px; margin: 28px 0 18px; padding-bottom: 14px; border-bottom: 1px solid var(--vpb-line); }

/* Articles */
.vpb-card { min-width: 0; }
.vpb-pic { display: block; overflow: hidden; border-radius: 14px; aspect-ratio: 16 / 10; background: var(--vpb-tint); }
.vpb .vpb-pic img { width: 100%; height: 100%; object-fit: cover; display: block; margin: 0; border-radius: 0; transition: transform .35s ease; }
.vpb-card:hover .vpb-pic img { transform: scale(1.035); }
.vpb-noimg { display: grid; place-items: center; width: 100%; height: 100%; background: var(--vpb-tint); }
.vpb-noimg-1 { background: color-mix(in srgb, var(--vpb-c) 14%, #fff); }
.vpb-noimg-2 { background: color-mix(in srgb, var(--vpb-c) 22%, #fff); }
.vpb-noimg svg { width: 56%; max-width: 240px; }
.vpb-noimg path { fill: none; stroke: var(--vpb-c); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.vpb-txt { padding-top: 14px; }
.vpb .vpb-cat { display: block; color: var(--vpb-c); font-size: 14px; font-weight: 700; margin-bottom: 4px; }
.vpb .vpb-title { font-size: 19px; font-weight: 800 !important; line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.vpb .vpb-title a:hover, .vpb-card:hover .vpb-title a { color: var(--vpb-c); }
.vpb .vpb-title a:focus-visible, .vpb a.vpb-chip:focus-visible, .vpb a.vpb-btn:focus-visible, .vpb .vpb-go:focus-visible, .vpb .vpb-clear:focus-visible { outline: 3px solid var(--vpb-ink); outline-offset: 2px; border-radius: 6px; }
.vpb .vpb-ex { color: var(--vpb-ink2); font-size: 15.5px; margin-top: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.vpb .vpb-meta { display: flex; flex-wrap: wrap; gap: 4px 16px; color: #6a7486; font-size: 13.5px; margin-top: 10px; }
.vpb mark { background: color-mix(in srgb, var(--vpb-c) 18%, #fff); color: inherit; border-radius: 3px; padding: 0 2px; }

/* Newest articles */
.vpb-lead { display: grid; grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr); gap: 36px; padding-bottom: 36px; margin-bottom: 36px; border-bottom: 1px solid var(--vpb-line); }
.vpb .vpb-card-main .vpb-title { font-size: clamp(23px, 2.6vw, 31px); font-weight: 800; line-height: 1.45; }
.vpb .vpb-card-main .vpb-ex { font-size: 17px; }
.vpb-card-main .vpb-pic { border-radius: 18px; }
.vpb-lead-side { display: grid; align-content: start; gap: 30px; }
.vpb-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px 30px; }
.vpb-grid:empty { display: none; }

/* Empty result and buttons */
.vpb-none { text-align: center; padding: 56px 16px; }
.vpb-none svg { width: 220px; height: 40px; margin: 0 auto 14px; display: block; }
.vpb-none path { fill: none; stroke: var(--vpb-c); stroke-width: 2.2; stroke-linecap: round; }
.vpb .vpb-none-t { font-size: 23px; font-weight: 800; word-break: break-word; }
.vpb .vpb-none-s { color: var(--vpb-ink2); margin: 2px 0 20px; }
.vpb .vpb-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 8px 32px; border-radius: 13px; background: var(--vpb-tint); color: var(--vpb-deep); font-weight: 700; cursor: pointer; }
.vpb .vpb-btn:hover { background: var(--vpb-c); color: #fff; }
.vpb .vpb-btn.is-busy { opacity: .6; pointer-events: none; }
.vpb-morebox { text-align: center; margin-top: 48px; }
#vpb-feed { transition: opacity .15s; }
.vpb.is-loading #vpb-feed { opacity: .55; }

@media (max-width: 960px) {
  .vpb-lead { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .vpb-lead-side { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .vpb-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .vpb-wrap { padding-inline: 16px; }
  .vpb-hero { padding: 38px 0 84px; }
  .vpb-ecg { height: 70px; bottom: 16px; }
  .vpb-search { margin-top: -34px; min-height: 66px; padding: 6px 12px 6px 6px; border-radius: 15px; }
  .vpb .vpb-search input { height: 52px; font-size: 16px; }
  .vpb .vpb-go { display: none; }
  .vpb-chips { flex-wrap: nowrap; overflow-x: auto; margin-inline: -16px; padding-inline: 16px; scrollbar-width: none; }
  .vpb-chips::-webkit-scrollbar { display: none; }
  .vpb-lead-side { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .vpb-grid { grid-template-columns: minmax(0, 1fr); gap: 26px; }

  /* The two articles beside the newest one become compact rows on a phone. */
  .vpb-card-side { display: grid; grid-template-columns: 108px minmax(0, 1fr); gap: 14px; align-items: start; }
  .vpb-card-side .vpb-pic { aspect-ratio: 1; border-radius: 12px; }
  .vpb-card-side .vpb-txt { padding-top: 0; }
  .vpb .vpb-card-side .vpb-title { font-size: 16.5px; line-height: 1.55; }
  .vpb .vpb-meta span { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .vpb-card:hover .vpb-pic img { transform: none; }
  .vpb .vpb-pic img, #vpb-feed { transition: none; }
  .vpb.is-loading .vpb-ecg path { animation: none; }
}