/* =============================================================
   Event Sponsors Section
   Single event page — below event body
   ============================================================= */

.event-sponsors {
  padding: var(--space-3xl) 0 var(--space-2xl);
  background: var(--color-surface, #F0F2F6);
  border-top: 1px solid var(--color-border, #E2E6EC);
}

/* ── Section header ── */
.event-sponsors__header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.event-sponsors__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary, #1E3A5F);
  margin-bottom: var(--space-xs);
}

.event-sponsors__eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent, #D4A843);
  display: inline-block;
}

.event-sponsors__heading {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 700;
  color: var(--color-heading, #1E2328);
  margin: 0 0 var(--space-xs);
  line-height: 1.2;
}

.event-sponsors__sub {
  font-size: 0.9rem;
  color: var(--color-text-muted, #666);
  margin: 0;
}

/* ── Tier group ── */
.event-sponsors__tier {
  margin-bottom: var(--space-2xl);
}

.event-sponsors__tier:last-child {
  margin-bottom: 0;
}

/* Tier label bar */
.event-sponsors__tier-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: var(--space-md);
}

.event-sponsors__tier-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.event-sponsors__tier-name {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #999;
  white-space: nowrap;
}

.event-sponsors__tier-line {
  flex: 1;
  height: 1px;
  background: var(--color-border, #E2E6EC);
}

/* ── Grid layouts per tier ── */
.event-sponsors__grid {
  display: grid;
  gap: var(--space-md);
  align-items: stretch;
}

.event-sponsors__grid--title   { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
.event-sponsors__grid--gold    { grid-template-columns: repeat(3, 1fr); }
.event-sponsors__grid--silver  { grid-template-columns: repeat(4, 1fr); }
.event-sponsors__grid--bronze,
.event-sponsors__grid--partner,
.event-sponsors__grid--media   { grid-template-columns: repeat(5, 1fr); }

/* ── Sponsor card ── */
.event-sponsor-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-lg) var(--space-xl);
  background: #ffffff;
  border: 1.5px solid var(--color-border, #E2E6EC);
  border-radius: 12px;
  text-decoration: none;
  transition:
    transform   0.20s ease,
    box-shadow  0.20s ease,
    border-color 0.20s ease;
  min-height: 110px;
  position: relative;
  overflow: hidden;
}

.event-sponsor-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--sponsor-color, transparent);
  opacity: 0;
  transition: opacity 0.20s;
}

.event-sponsor-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.10);
  border-color: var(--sponsor-color, var(--color-primary));
  text-decoration: none;
}

.event-sponsor-card:hover::before {
  opacity: 1;
}

/* ── Title tier — premium gold card ── */
.event-sponsor-card--title {
  background: linear-gradient(135deg, #fffdf5 0%, #fffbe8 100%);
  border: 2px solid #D4A843;
  border-radius: 14px;
  padding: var(--space-2xl) var(--space-3xl);
  min-height: 160px;
  --sponsor-color: #D4A843;
}

.event-sponsor-card--title:hover {
  box-shadow: 0 12px 36px rgba(212, 168, 67, 0.22);
  border-color: #b8860b;
}

/* ── Other tiers ── */
.event-sponsor-card--gold    { --sponsor-color: #C9A227; }
.event-sponsor-card--silver  { --sponsor-color: #9EA4AD; min-height: 90px; padding: var(--space-md) var(--space-lg); }
.event-sponsor-card--bronze  { --sponsor-color: #CD7F32; min-height: 80px; padding: var(--space-md); }
.event-sponsor-card--partner { --sponsor-color: #4A7C59; min-height: 80px; padding: var(--space-md); }
.event-sponsor-card--media   { --sponsor-color: #1E3A5F; min-height: 80px; padding: var(--space-md); }

/* ── Logo sizes per tier ── */
.event-sponsor-card__logo {
  display: block;
  object-fit: contain;
  width: auto;
  transition: opacity 0.18s;
}

.event-sponsor-card--title   .event-sponsor-card__logo { height: 100px; max-width: 320px; }
.event-sponsor-card--gold    .event-sponsor-card__logo { height: 70px;  max-width: 180px; }
.event-sponsor-card--silver  .event-sponsor-card__logo { height: 52px;  max-width: 140px; }
.event-sponsor-card--bronze  .event-sponsor-card__logo,
.event-sponsor-card--partner .event-sponsor-card__logo,
.event-sponsor-card--media   .event-sponsor-card__logo { height: 40px;  max-width: 110px; }

.event-sponsor-card:hover .event-sponsor-card__logo { opacity: 0.82; }

/* ── Sponsor name (fallback — shown when no logo) ── */
.event-sponsor-card__name {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-heading, #1E2328);
  text-align: center;
  line-height: 1.2;
}

.event-sponsor-card--title   .event-sponsor-card__name { font-size: 1.4rem; }
.event-sponsor-card--gold    .event-sponsor-card__name { font-size: 1rem; }
.event-sponsor-card--silver  .event-sponsor-card__name { font-size: 0.88rem; }
.event-sponsor-card--bronze  .event-sponsor-card__name,
.event-sponsor-card--partner .event-sponsor-card__name,
.event-sponsor-card--media   .event-sponsor-card__name { font-size: 0.80rem; }

/* ── Tier badge (title card only) ── */
.event-sponsor-card__badge {
  display: inline-block;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 20px;
  background: #D4A843;
  color: #1E2328;
  margin-bottom: var(--space-xs);
}

/* No-link version (no website) — remove hover cursor */
.event-sponsor-card--nolink {
  cursor: default;
  pointer-events: none;
}

/* "Visit" label — appears on hover for linked cards */
.event-sponsor-card__visit {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sponsor-color, var(--color-primary));
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.18s, transform 0.18s;
  position: absolute;
  bottom: 10px;
  right: 12px;
}

.event-sponsor-card:hover .event-sponsor-card__visit {
  opacity: 1;
  transform: translateY(0);
}

/* ── "No sponsors" state ── */
.event-sponsors__empty {
  text-align: center;
  padding: var(--space-2xl);
  color: var(--color-text-muted, #888);
  font-size: 0.9rem;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .event-sponsors__grid--bronze,
  .event-sponsors__grid--partner,
  .event-sponsors__grid--media   { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 768px) {
  .event-sponsors__grid--title   { max-width: 100%; }
  .event-sponsors__grid--gold    { grid-template-columns: repeat(2, 1fr); }
  .event-sponsors__grid--silver  { grid-template-columns: repeat(3, 1fr); }
  .event-sponsors__grid--bronze,
  .event-sponsors__grid--partner,
  .event-sponsors__grid--media   { grid-template-columns: repeat(3, 1fr); }

  .event-sponsor-card            { min-height: 72px; padding: var(--space-md); }
  .event-sponsor-card--title     { min-height: 120px; padding: var(--space-xl); }
  .event-sponsor-card--title   .event-sponsor-card__logo { height: 72px; }
  .event-sponsor-card--gold    .event-sponsor-card__logo { height: 52px; }
  .event-sponsor-card--silver  .event-sponsor-card__logo { height: 40px; }
  .event-sponsor-card--bronze  .event-sponsor-card__logo,
  .event-sponsor-card--partner .event-sponsor-card__logo,
  .event-sponsor-card--media   .event-sponsor-card__logo { height: 32px; }
}

@media (max-width: 480px) {
  .event-sponsors__grid--gold,
  .event-sponsors__grid--silver  { grid-template-columns: repeat(2, 1fr); }
  .event-sponsors__grid--bronze,
  .event-sponsors__grid--partner,
  .event-sponsors__grid--media   { grid-template-columns: repeat(2, 1fr); }
  .event-sponsor-card--title   .event-sponsor-card__logo { height: 56px; }
  .event-sponsor-card--title   .event-sponsor-card__name { font-size: 1.1rem; }
}