/* ============================================================
   sponsors.css
   Styles specific to sponsors.html only.
   Loads AFTER styles.css — do not duplicate anything from there.
   Nav, footer, section-label, btn live in styles.css.
   ============================================================ */


/* ------------------------------------------------------------
   1. PAGE HEADER (same pattern as register/success/venue pages)
   ------------------------------------------------------------ */
.page-header {
  background-color: var(--color-navy);
  padding: calc(var(--nav-height) + 3rem) var(--space-xl) var(--space-3xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 40%, rgba(201,168,76,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 20% 70%, rgba(201,168,76,0.04) 0%, transparent 50%);
  pointer-events: none;
}

.page-header__grid {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image:
    linear-gradient(rgba(201,168,76,0.8) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.8) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.page-header__inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}

.page-header__eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  border: 1px solid rgba(201,168,76,0.4);
  padding: 0.35rem 1.1rem;
  border-radius: 2rem;
  margin-bottom: 1.25rem;
}

.page-header__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 900;
  color: var(--color-white);
  line-height: 1.1;
  margin-bottom: 0.75rem;
}

.page-header__title span { color: var(--color-gold); }

.page-header__sub {
  font-size: 1rem;
  color: rgba(255,255,255,0.6);
  font-weight: 300;
  max-width: 480px;
  margin: 0 auto;
}


/* ------------------------------------------------------------
   2. MAIN LAYOUT
   ------------------------------------------------------------ */
.sponsors-main {
  max-width: 640px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-xl) 5rem;
}

.sponsors-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}


/* ------------------------------------------------------------
   3. CARD (shared base, matches site pattern)
   ------------------------------------------------------------ */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 1.5rem 1.75rem;
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 0.35rem;
}

.sponsors-intro {
  font-size: 0.9rem;
  color: var(--color-text-mid);
  line-height: 1.65;
  margin-top: 0.5rem;
}


/* ------------------------------------------------------------
   4. BENEFITS LIST
   ------------------------------------------------------------ */
.benefits-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.benefits-list li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  font-size: 0.9rem;
  color: var(--color-text-mid);
  line-height: 1.55;
}

.benefit-icon {
  flex-shrink: 0;
  width: 22px;
  text-align: center;
  font-size: 1rem;
}


/* ------------------------------------------------------------
   5. SPONSOR LOGO GRID
   ------------------------------------------------------------ */
.sponsor-logo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.9rem;
  margin-top: 1rem;
}

.sponsor-logo-card {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 90px;
  background: var(--color-cream);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  padding: 0.25rem;
  text-decoration: none;
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.sponsor-logo-card:hover {
  border-color: var(--color-gold);
  transform: translateY(-2px);
}

.sponsor-logo-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.sponsor-logo-fallback {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text-dark);
  text-align: center;
}

.sponsor-empty {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-top: 0.75rem;
  font-style: italic;
}


/* ------------------------------------------------------------
   6. CTA CARD (sponsor-specific variant)
   ------------------------------------------------------------ */
.sponsor-cta-card {
  background: rgba(201,168,76,0.05);
  border-color: rgba(201,168,76,0.25);
  text-align: center;
}

.sponsor-cta-card .section-label,
.sponsor-cta-card .card__title { text-align: center; }

.sponsor-cta-btn {
  display: inline-flex;
  margin-top: 1rem;
}


/* ------------------------------------------------------------
   7. ANIMATIONS
   ------------------------------------------------------------ */
.fade-up {
  opacity: 0;
  transform: translateY(14px);
  animation: fadeUp 0.5s forwards;
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.d1 { animation-delay: 0.05s; }


/* ------------------------------------------------------------
   8. RESPONSIVE
   ------------------------------------------------------------ */
@media (max-width: 768px) {
  .sponsor-logo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 540px) {
  .sponsor-logo-grid {grid-template-columns: 1fr;}
  .sponsors-main { padding: var(--space-xl) var(--space-md) 4rem; }
}