/* Campaign landing page (/p/<slug>): hero, sections, works grid.
   Everything here is additive on top of ui.css; the page borrows the same
   tokens so light and dark both work. */

.promo-body {
  min-height: 100vh;
}

.promo-topbar {
  gap: 12px;
}

.promo-nav {
  flex-shrink: 0;
}

.promo-main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 18px clamp(16px, 2.4vw, 30px) 56px;
}

/* ---------- hero ---------- */

.promo-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 24px;
  align-items: center;
  padding: 30px 0 30px 30px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    radial-gradient(520px 320px at 12% 0%, rgb(var(--accent-rgb) / 0.16), transparent 70%),
    radial-gradient(420px 280px at 88% 110%, rgb(139 92 246 / 0.14), transparent 72%),
    var(--hero-bg, var(--panel));
  box-shadow:
    inset 0 1px 0 rgb(var(--tint-rgb) / 0.06),
    0 40px 80px -60px var(--shadow-strong);
}

.promo-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border: 1px solid var(--accent-line);
  border-radius: 99px;
  background: var(--accent-soft);
  color: var(--accent-text);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.promo-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 720;
  letter-spacing: -0.035em;
  line-height: 1.14;
}

.promo-hero h1 em {
  font-style: normal;
  background: var(--hero-headline-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.promo-summary {
  max-width: 620px;
  margin: 12px 0 0;
  color: var(--text-soft);
  font-size: 13.5px;
  line-height: 1.65;
}

.promo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.promo-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.promo-state {
  padding: 2px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 99px;
  color: var(--text-soft);
}

.promo-state.is-live {
  border-color: var(--accent-line);
  color: var(--accent-text-strong);
}

.promo-state.is-ended {
  color: var(--muted);
}

.promo-hero-art {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  align-self: stretch;
  margin: -30px 0;
  padding: 30px 22px;
  border-left: 1px solid var(--line-strong);
  border-radius: 0 19px 19px 0;
  background:
    radial-gradient(240px 180px at 70% 20%, rgb(var(--accent-rgb) / 0.28), transparent 72%),
    #05080f;
}

.promo-hero-word {
  background: linear-gradient(100deg, #b8ceff, #c0a8ff 55%, #7ee8f5);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 22px;
  font-weight: 720;
  letter-spacing: -0.02em;
}

.promo-hero-note {
  color: rgba(206, 218, 242, 0.72);
  font-size: 11.5px;
  letter-spacing: 0.04em;
}

/* ---------- section tabs ---------- */

.promo-tabs {
  position: sticky;
  top: 0;
  z-index: 3;
  display: flex;
  gap: 22px;
  margin: 18px 0 0;
  padding: 12px 2px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
}

.promo-tabs a {
  color: var(--muted);
  font-size: 13px;
  text-decoration: none;
}

.promo-tabs a:hover {
  color: var(--text);
}

/* ---------- body sections ---------- */

.promo-sections {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 22px 0 6px;
}

.promo-section h2 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 680;
  letter-spacing: -0.01em;
}

.promo-section p,
.promo-section li {
  color: var(--text-soft);
  font-size: 13.5px;
  line-height: 1.7;
}

.promo-section ul {
  margin: 0;
  padding-left: 18px;
}

.promo-section li + li {
  margin-top: 6px;
}

/* ---------- works ---------- */

.promo-works {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.promo-works-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.promo-works-head h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 680;
}

.promo-sort select {
  width: auto;
}

.promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 14px;
}

.promo-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  padding: 8px 8px 10px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card-bg);
  color: inherit;
  text-decoration: none;
  transition:
    transform 0.18s ease,
    border-color 0.18s ease;
}

.promo-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.promo-card-cover {
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 10px;
  background: var(--panel-2);
}

.promo-card-cover img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.promo-card-title {
  display: -webkit-box;
  overflow: hidden;
  padding: 0 4px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.35;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.promo-card-meta {
  padding: 0 4px;
  color: var(--muted);
  font-size: 11.5px;
}

.promo-hint {
  grid-column: 1 / -1;
  margin: 0;
  padding: 30px 4px;
  color: var(--muted);
  font-size: 13px;
}

.promo-hint.is-error {
  color: var(--danger-text, var(--muted));
}

/* The sort control's label is for screen readers only. */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 860px) {
  .promo-hero {
    grid-template-columns: minmax(0, 1fr);
    padding: 22px;
  }

  .promo-hero-art {
    display: none;
  }

  .promo-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
}