/* Supporters — the Superbuilder "Supporters slider" block and Admin → Supporters. */

/* ─── Slider ──────────────────────────────────────────────────────────────── */
.sup-slider { --sup-h: 46px; --sup-gap: clamp(2rem, 4.5vw, 3.6rem); --sup-fade: 9%; overflow: hidden; }
.sup-slider.is-sm { --sup-h: 34px; --sup-gap: clamp(1.6rem, 3.5vw, 2.6rem); }
.sup-slider.is-lg { --sup-h: 64px; --sup-gap: clamp(2.4rem, 5vw, 4.4rem); }

.sup-slider-in { display: grid; gap: clamp(1.4rem, 3vw, 2.4rem); align-items: center; }
.sup-slider.is-intro .sup-slider-in { grid-template-columns: minmax(240px, 320px) minmax(0, 1fr); }
.sup-slider.is-stacked .sup-intro, .sup-slider.is-spotlight .sup-intro { text-align: center; justify-items: center; }
.sup-slider.is-stacked .sup-intro { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: .4rem 1.2rem; }
.sup-slider.is-stacked .sup-intro h2 { margin: 0; flex-basis: 100%; }

.sup-intro { display: grid; gap: .55rem; align-content: center; position: relative; z-index: 2; }
.sup-intro .bcos-kicker { margin: 0; }
.bcos-section.sup-slider .sup-intro h2 { margin: 0; font-size: clamp(1.35rem, 2.3vw, 1.85rem); letter-spacing: -.03em; line-height: 1.15; }
.bcos-section.sup-slider.is-spotlight .sup-intro h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); max-width: 22ch; }
.sup-stat { display: flex; align-items: baseline; gap: .55rem; }
.sup-slider.is-spotlight .sup-stat, .sup-slider.is-stacked .sup-stat { justify-content: center; }
.sup-slider.is-spotlight .sup-stat span, .sup-slider.is-stacked .sup-stat span { max-width: none; }
.sup-stat strong {
  font-size: clamp(2rem, 4vw, 2.9rem); font-weight: 800; letter-spacing: -.05em; line-height: 1;
  background: linear-gradient(120deg, var(--accent, #4f46e5), color-mix(in srgb, var(--accent, #4f46e5) 45%, #ec4899));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.sup-stat span { color: var(--muted, #6b7280); font-size: .95rem; line-height: 1.3; max-width: 18ch; }
.sup-cta { justify-self: start; margin-top: .3rem; }
.sup-slider:not(.is-intro) .sup-cta { justify-self: center; }
.sup-cta span { display: inline-block; transition: transform .2s; }
.sup-cta:hover span { transform: translateX(4px); }

.sup-rails { display: grid; gap: calc(var(--sup-gap) * .55); min-width: 0; }
/* Centred layouts run the logos edge to edge. */
.sup-slider.is-stacked .sup-rails, .sup-slider.is-spotlight .sup-rails { margin-inline: calc(50% - 50vw); }
.sup-slider.is-stacked, .sup-slider.is-spotlight { --sup-fade: 6%; }
.sup-rail {
  overflow: hidden; position: relative; padding: .9rem 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 var(--sup-fade), #000 calc(100% - var(--sup-fade)), transparent);
          mask-image: linear-gradient(90deg, transparent, #000 var(--sup-fade), #000 calc(100% - var(--sup-fade)), transparent);
}
.sup-track { display: flex; width: max-content; gap: var(--sup-gap); align-items: center; animation: sup-glide var(--sup-dur, 40s) linear infinite; }
.sup-rail.is-reverse .sup-track { animation-direction: reverse; }
.sup-rails:hover .sup-track, .sup-rails:focus-within .sup-track { animation-play-state: paused; }
@keyframes sup-glide { to { transform: translateX(calc(-50% - var(--sup-gap) / 2)); } }

.sup-cell { position: relative; display: inline-flex; flex-direction: column; align-items: center; gap: .45rem; text-decoration: none !important; color: inherit; flex: none; outline-offset: 6px; }
.sup-mark { height: var(--sup-h); display: flex; align-items: center; justify-content: center; }
.sup-mark img { height: 100%; width: auto; max-width: calc(var(--sup-h) * 4); object-fit: contain; display: block; transition: filter .35s, opacity .35s, transform .35s cubic-bezier(.3, 1.4, .5, 1); }
.sup-word { font-weight: 800; letter-spacing: -.03em; font-size: calc(var(--sup-h) * .46); white-space: nowrap; opacity: .72; transition: opacity .3s, color .3s; }
.sup-name { font-size: .78rem; color: var(--muted, #6b7280); white-space: nowrap; }

/* Greyscale until hovered */
.sup-slider.is-mono .sup-mark img { filter: grayscale(1) contrast(1.05); opacity: .72; }
.sup-slider.is-mono .sup-cell:hover img, .sup-slider.is-mono .sup-cell:focus-visible img { filter: none; opacity: 1; transform: scale(1.07); }
.sup-slider.is-color .sup-cell:hover img { transform: scale(1.07); }
.sup-cell:hover .sup-word { opacity: 1; color: var(--accent, #4f46e5); }

/* Soft cards */
.sup-slider.is-cards { --sup-gap: 1rem; }
.sup-slider.is-cards .sup-cell {
  background: var(--card, #fff); border: 1px solid var(--line, rgba(0, 0, 0, .08)); border-radius: 18px;
  padding: calc(var(--sup-h) * .35) calc(var(--sup-h) * .55); min-width: calc(var(--sup-h) * 3.4);
  box-shadow: 0 1px 2px rgba(16, 24, 40, .05); transition: transform .3s cubic-bezier(.3, 1.4, .5, 1), box-shadow .3s, border-color .3s;
}
.sup-slider.is-cards .sup-cell:hover { transform: translateY(-4px); box-shadow: 0 14px 30px -14px rgba(16, 24, 40, .3); border-color: color-mix(in srgb, var(--accent, #4f46e5) 35%, transparent); }

/* Name on hover */
.sup-tip {
  position: absolute; left: 50%; bottom: calc(100% + 8px); transform: translate(-50%, 6px); opacity: 0; pointer-events: none;
  background: #111827; color: #fff; font-size: .74rem; font-weight: 600; padding: .35rem .6rem; border-radius: 8px; white-space: nowrap;
  transition: opacity .2s, transform .2s; z-index: 3; display: grid; text-align: center; line-height: 1.3;
}
.sup-tip em { font-style: normal; font-weight: 500; opacity: .7; font-size: .68rem; }
.sup-tip::after { content: ""; position: absolute; top: 100%; left: 50%; margin-left: -5px; border: 5px solid transparent; border-top-color: #111827; }
.sup-cell:hover .sup-tip, .sup-cell:focus-visible .sup-tip { opacity: 1; transform: translate(-50%, 0); }
.sup-rail { padding-top: 3.3rem; margin-top: -2.4rem; }

/* Dark band */
.bcos-section-ink.sup-slider .sup-stat span, .bcos-section-ink.sup-slider .sup-name { color: rgba(255, 255, 255, .7); }
.bcos-section-ink.sup-slider.is-mono .sup-mark img { filter: grayscale(1) brightness(0) invert(1); opacity: .55; }
.bcos-section-ink.sup-slider.is-mono .sup-cell:hover img { filter: none; opacity: 1; }
.bcos-section-ink.sup-slider .sup-tip { background: #fff; color: #111827; }
.bcos-section-ink.sup-slider .sup-tip::after { border-top-color: #fff; }
.bcos-section-ink.sup-slider.is-cards .sup-cell { background: rgba(255, 255, 255, .96); border-color: transparent; }
.bcos-section-ink.sup-slider.is-cards .sup-word { color: #111827; }

@media (max-width: 860px) {
  .sup-slider.is-intro .sup-slider-in { grid-template-columns: 1fr; }
  .sup-slider.is-intro .sup-intro { text-align: center; justify-items: center; }
  .sup-slider.is-intro .sup-stat { justify-content: center; }
  .sup-slider.is-intro .sup-cta { justify-self: center; }
  .sup-slider { --sup-fade: 6%; }
}
/* Reduced motion: a still, swipeable row instead of a moving one. */
@media (prefers-reduced-motion: reduce) {
  .sup-rail { overflow-x: auto; -webkit-mask-image: none; mask-image: none; scroll-snap-type: x proximity; }
  .sup-track { animation: none; }
  .sup-track > [aria-hidden="true"] { display: none; }
  .sup-cell { scroll-snap-align: center; }
}

/* ─── Admin → Supporters ──────────────────────────────────────────────────── */
.sup-admin-preview { margin-bottom: 1rem; overflow: hidden; }
.sup-admin-preview .sup-slider { padding: .5rem 0 0; }
.sup-admin-preview .sup-intro { display: none; }
.sup-admin-grid { display: grid; grid-template-columns: minmax(300px, 400px) minmax(0, 1fr); gap: 1rem; align-items: start; }
.sup-admin-form { position: sticky; top: 80px; }
.sup-logo-field { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 1rem; align-items: start; margin: .4rem 0; }
.sup-logo-now { width: 96px; height: 96px; border-radius: 16px; border: 1px dashed var(--line, #d1d5db); display: grid; place-items: center; background: repeating-conic-gradient(#f3f4f6 0% 25%, #fff 0% 50%) 50% / 14px 14px; overflow: hidden; }
.sup-logo-now img { max-width: 84px; max-height: 84px; object-fit: contain; }
.sup-logo-now span { font-weight: 800; color: #9ca3af; }
.sup-admin-actions { display: flex; gap: .5rem; margin-top: .6rem; }

.sup-admin-list header { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .6rem; align-items: center; }
.sup-admin-tabs { display: flex; flex-wrap: wrap; gap: .3rem; }
.sup-admin-tabs a { padding: .25rem .7rem; border-radius: 999px; font-size: .8rem; text-decoration: none; color: inherit; background: var(--soft, #f3f4f6); }
.sup-admin-tabs a.is-on { background: var(--ink, #111827); color: #fff; }
.sup-rows { list-style: none; margin: .6rem 0 0; padding: 0; display: grid; gap: .4rem; }
.sup-row { display: grid; grid-template-columns: 64px minmax(0, 1fr) auto; gap: .9rem; align-items: center; padding: .55rem .7rem; border-radius: 14px; border: 1px solid var(--line, #eceef2); background: #fff; }
.sup-row.is-off { opacity: .55; }
.sup-row-logo { width: 64px; height: 40px; display: grid; place-items: center; }
.sup-row-logo img { max-width: 64px; max-height: 40px; object-fit: contain; }
.sup-row-logo b { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: #eef2ff; color: #4f46e5; font-size: .85rem; }
.sup-row-main { min-width: 0; }
.sup-row-main strong { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sup-row-main em { font-style: normal; font-size: .8rem; color: #6b7280; }
.sup-row-act { display: flex; gap: .25rem; flex-wrap: wrap; justify-content: flex-end; }
.sup-row-act form { margin: 0; }
.sup-tier { display: inline-block; padding: 0 .45rem; border-radius: 6px; font-weight: 700; font-size: .72rem; background: #f3f4f6; color: #374151; }
.sup-tier.t-partner { background: #ede9fe; color: #6d28d9; }
.sup-tier.t-sponsor { background: #fef3c7; color: #92400e; }
.sup-tier.t-government, .sup-tier.t-authority { background: #dbeafe; color: #1e40af; }
.sup-tier.t-community { background: #dcfce7; color: #166534; }
.sup-tier.t-mentor, .sup-tier.t-tech_support { background: #fce7f3; color: #9d174d; }
.sup-admin-foot { margin-top: 1rem; }
@media (max-width: 1000px) { .sup-admin-grid { grid-template-columns: 1fr; } .sup-admin-form { position: static; } }