/* ==========================================================================
   SEGi Dental Society — Sponsors & Industry Partners (`css/sponsors.css`)
   ========================================================================== */

.page-sponsors {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-main);
  color: var(--text-main);
}

/* --------------------------------------------------------------------------
   1. Sponsors Hero Section
   -------------------------------------------------------------------------- */
.sponsors-hero {
  padding: 4.5rem 1.5rem 2.5rem;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.sponsors-hero .section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.95rem;
  background: rgba(212, 154, 55, 0.12);
  border: 1px solid rgba(212, 154, 55, 0.35);
  border-radius: 9999px;
  color: var(--gold-accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.1rem;
}

.sponsors-hero h1 {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin-bottom: 0.9rem;
}

.sponsors-hero .hero-subtext {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 1.5rem;
  line-height: 1.6;
}

/* Tier Quick Navigation Pills */
.sponsor-nav-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.tier-tab-btn {
  padding: 0.55rem 1.25rem;
  border-radius: 9999px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.tier-tab-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-main);
  border-color: rgba(212, 154, 55, 0.4);
}

.tier-tab-btn.active {
  background: linear-gradient(135deg, rgba(212, 154, 55, 0.2), rgba(158, 16, 39, 0.2));
  color: var(--gold-accent);
  border-color: var(--gold-accent);
  box-shadow: 0 4px 16px rgba(212, 154, 55, 0.25);
}

/* --------------------------------------------------------------------------
   2. Tier Section Headers & Containers
   -------------------------------------------------------------------------- */
.sponsors-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 1.5rem 5rem;
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.tier-block {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.tier-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.85rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.tier-title-cluster {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.tier-badge-emblem {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.emblem-tier1 {
  background: linear-gradient(135deg, #d49a37, #fef08a);
  color: #1a1002;
  box-shadow: 0 0 20px rgba(212, 154, 55, 0.4);
}

.emblem-tier2 {
  background: linear-gradient(135deg, #94a3b8, #e2e8f0);
  color: #0f172a;
}

.emblem-tier3 {
  background: linear-gradient(135deg, #b45309, #fde68a);
  color: #1a1002;
}

.tier-heading {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.tier-subheading {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   3. Tier 1: Platinum & Title Partners (High Impact Cards)
   -------------------------------------------------------------------------- */
.tier1-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2rem;
}

@media (max-width: 480px) {
  .tier1-grid {
    grid-template-columns: 1fr;
  }
}

.tier1-card {
  background: linear-gradient(145deg, var(--bg-card), rgba(212, 154, 55, 0.05));
  border: 1.5px solid rgba(212, 154, 55, 0.35);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.35);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.tier1-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--maroon-bright), var(--gold-accent), var(--maroon-bright));
}

.tier1-card:hover {
  transform: translateY(-6px);
  border-color: var(--gold-accent);
  box-shadow: 0 20px 45px rgba(212, 154, 55, 0.2);
}

.tier1-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  gap: 1rem;
}

.tier1-logo-box {
  width: 140px;
  height: 60px;
  background: #ffffff;
  border-radius: 8px;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.tier1-logo-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.tier-title-pill {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.28rem 0.75rem;
  border-radius: 9999px;
  background: rgba(212, 154, 55, 0.18);
  color: var(--gold-accent);
  border: 1px solid rgba(212, 154, 55, 0.4);
}

.tier1-partner-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.tier1-partner-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex: 1;
}

.tier1-highlight-box {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.9rem 1rem;
  margin-bottom: 1.5rem;
}

.tier1-highlight-label {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gold-accent);
  margin-bottom: 0.25rem;
}

.tier1-highlight-text {
  font-size: 0.82rem;
  color: var(--text-main);
  line-height: 1.45;
}

.tier1-actions-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1rem;
  gap: 1rem;
}

.btn-partner-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--gold-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

.btn-partner-link:hover {
  color: #fef08a;
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   4. Tier 2: Gold & Silver Sponsors (Medium Cards)
   -------------------------------------------------------------------------- */
.tier2-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.tier2-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.tier2-card:hover {
  transform: translateY(-4px);
  border-color: rgba(226, 232, 240, 0.4);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
}

.tier2-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.tier2-logo-box {
  width: 100px;
  height: 48px;
  background: #ffffff;
  border-radius: 6px;
  padding: 0.35rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tier2-logo-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.tier2-partner-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.35rem;
}

.tier2-partner-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 1rem;
  flex: 1;
}

.tier2-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  background: rgba(148, 163, 184, 0.15);
  color: #94a3b8;
  margin-bottom: 0.85rem;
}

/* --------------------------------------------------------------------------
   5. Tier 3: Bronze & Clinical Associates (Badge Grid)
   -------------------------------------------------------------------------- */
.tier3-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}

.tier3-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  transition: all 0.25s ease;
}

.tier3-card:hover {
  border-color: rgba(180, 83, 9, 0.4);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
}

.tier3-icon-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(180, 83, 9, 0.12);
  color: #d97706;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tier3-name {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-main);
}

.tier3-role {
  font-size: 0.76rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   6. Sponsorship Prospectus CTA Section
   -------------------------------------------------------------------------- */
.prospectus-cta-section {
  background: linear-gradient(135deg, var(--maroon-deep), rgba(18, 20, 26, 0.95));
  border: 1.5px solid var(--border-crimson);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  margin-top: 2rem;
  position: relative;
  overflow: hidden;
}

.prospectus-cta-section::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(212, 154, 55, 0.15), transparent 70%);
  pointer-events: none;
}

.prospectus-cta-section h2 {
  font-size: 2rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.prospectus-cta-section p {
  font-size: 1rem;
  color: #cbd5e1;
  max-width: 640px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.prospectus-perks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  max-width: 900px;
  margin: 0 auto 2.5rem;
  text-align: left;
}

.perk-card {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.perk-card .perk-icon {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.perk-card h3 {
  font-size: 0.95rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.3rem;
}

.perk-card p {
  font-size: 0.8rem;
  color: #94a3b8;
  margin: 0;
  line-height: 1.45;
}

.prospectus-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.btn-prospectus-primary {
  padding: 0.85rem 1.75rem;
  background: linear-gradient(135deg, var(--gold-accent), #b45309);
  color: #1a1002;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(212, 154, 55, 0.4);
  transition: all 0.25s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-prospectus-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(212, 154, 55, 0.6);
}

.btn-prospectus-secondary {
  padding: 0.85rem 1.75rem;
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-prospectus-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* --------------------------------------------------------------------------
   7. Inquire Partnership Modal
   -------------------------------------------------------------------------- */
.inquiry-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 10010;
  padding: 2rem 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.inquiry-modal-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.inquiry-modal-card {
  width: 100%;
  max-width: 580px;
  background: var(--bg-main);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  overflow: hidden;
  position: relative;
}

.inquiry-modal-header {
  padding: 1.5rem 1.75rem;
  background: linear-gradient(135deg, var(--maroon-deep), rgba(18, 20, 26, 0.95));
  border-bottom: 1px solid var(--border-crimson);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.inquiry-modal-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-officer-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.officer-avatar {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--gold-accent);
}

.officer-info h4 {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-main);
}

.officer-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Vector Icon Enhancements */
.tier-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.tier-tab-btn svg,
.btn-prospectus-primary svg,
.btn-prospectus-secondary svg,
.btn-partner-link svg {
  flex-shrink: 0;
}

.perk-card .perk-icon {
  display: flex;
  align-items: center;
  color: var(--gold-accent);
}

.tier-badge-emblem svg {
  flex-shrink: 0;
}

.tier1-highlight-label {
  display: inline-flex;
  align-items: center;
}

/* --------------------------------------------------------------------------
   7. In-Page Administration Controls, Badges & Placeholders
   -------------------------------------------------------------------------- */
.sponsor-admin-actions {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  display: none;
  align-items: center;
  gap: 0.35rem;
  z-index: 10;
  background: rgba(11, 14, 20, 0.88);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.25rem 0.4rem;
  border-radius: 9999px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}

body.is-admin .sponsor-admin-actions {
  display: flex;
}

.sponsor-btn-ctrl {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.08);
  color: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sponsor-btn-ctrl:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.08);
}

.sponsor-btn-delete:hover {
  background: rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

.sponsor-btn-eye.is-hidden {
  color: #f59e0b;
}

.sponsor-btn-save {
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
}

.sponsor-btn-save:hover {
  background: rgba(16, 185, 129, 0.4);
}

.tier1-card.is-hidden-card,
.tier2-card.is-hidden-card,
.tier3-card.is-hidden-card {
  opacity: 0.55;
  border: 2px dashed rgba(245, 158, 11, 0.6) !important;
}

.sponsor-hidden-watermark {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background: #f59e0b;
  color: #000000;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  z-index: 5;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

/* Edit Mode Visual Focus */
.tier1-card.is-editing,
.tier2-card.is-editing,
.tier3-card.is-editing {
  border-color: var(--gold-accent) !important;
  box-shadow: 0 0 0 2px rgba(212, 154, 55, 0.35) !important;
}

.tier1-card.is-editing [contenteditable="true"],
.tier2-card.is-editing [contenteditable="true"],
.tier3-card.is-editing [contenteditable="true"] {
  outline: 1px dashed rgba(212, 154, 55, 0.5);
  outline-offset: 3px;
  border-radius: 3px;
  background: rgba(212, 154, 55, 0.05);
}

.tier1-card.is-editing [contenteditable="true"]:focus,
.tier2-card.is-editing [contenteditable="true"]:focus,
.tier3-card.is-editing [contenteditable="true"]:focus {
  outline: 2px solid var(--gold-accent);
  background: rgba(212, 154, 55, 0.09);
}

/* Add Sponsor Placeholder */
.add-sponsor-placeholder {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  min-height: 240px;
  border: 2px dashed rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.25s ease;
  background: rgba(255, 255, 255, 0.015);
}

body.is-admin .add-sponsor-placeholder {
  display: flex;
}

.add-sponsor-placeholder:hover {
  border-color: var(--gold-accent);
  color: var(--gold-accent);
  background: rgba(212, 154, 55, 0.04);
  transform: translateY(-2px);
}

.add-sponsor-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(212, 154, 55, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--gold-accent);
}

/* Logo Upload Overlay */
.sponsor-logo-upload-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.35rem;
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  z-index: 4;
  border-radius: inherit;
}

.tier1-card.is-editing .sponsor-logo-upload-overlay,
.tier2-card.is-editing .sponsor-logo-upload-overlay {
  display: flex;
}