/**
 * IEEE EDS PMEC Student Branch Chapter
 * Edge AI Hackathon 2026 - Sponsorship Portal CSS
 */

/* ==========================================================================
   1. Hero Section
   ========================================================================== */
.spons-hero {
  position: relative;
  padding: 100px 0 80px;
  background: linear-gradient(135deg, #020617 0%, #0b1528 50%, #092140 100%);
  color: var(--white);
  overflow: hidden;
  border-bottom: 1px solid rgba(0, 180, 216, 0.15);
}

.spons-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.15;
  background-image: 
    radial-gradient(rgba(0, 180, 216, 0.2) 1px, transparent 0),
    radial-gradient(rgba(0, 180, 216, 0.2) 1px, transparent 0);
  background-size: 40px 40px;
  background-position: 0 0, 20px 20px;
}

.spons-hero::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: -10%;
  width: 120%;
  height: 80px;
  background-color: var(--bg-primary);
  transform: rotate(-1.5deg);
  z-index: 1;
  transition: background-color var(--transition-normal);
}

.spons-hero .container {
  position: relative;
  z-index: 2;
}

.spons-tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.35);
  color: var(--secondary);
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 2px;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.spons-hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 12px;
  line-height: 1.15;
  background: linear-gradient(to right, #ffffff 20%, #38bdf8 70%, #f5a623 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.spons-hero-subtitle {
  font-family: 'Poppins', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: #38bdf8;
  letter-spacing: 1px;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.spons-hero-description {
  font-size: 1.05rem;
  color: #94a3b8;
  max-width: 720px;
  margin: 0 auto 28px;
  line-height: 1.7;
}

.spons-hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.spons-hero-actions .btn-secondary,
.spons-cta-actions .btn-secondary {
  color: #FFFFFF !important;
  border: 2px solid rgba(56, 189, 248, 0.7) !important;
  background-color: rgba(255, 255, 255, 0.08) !important;
  transition: all var(--transition-fast) !important;
}

.spons-hero-actions .btn-secondary:hover,
.spons-cta-actions .btn-secondary:hover {
  background: var(--grad-primary) !important;
  color: #FFFFFF !important;
  border-color: transparent !important;
  box-shadow: 0 8px 22px rgba(18, 196, 232, 0.4) !important;
  transform: translateY(-3px) !important;
}


/* ==========================================================================
   2. Sponsorship Packages Grid
   ========================================================================== */
.packages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
  align-items: stretch;
}

.package-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-lg);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.package-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(56, 189, 248, 0.4);
}

/* Recommended Tier (Principal Sponsor) */
.package-card.recommended {
  border: 2px solid #f5a623;
  box-shadow: 0 10px 30px rgba(245, 166, 35, 0.18), 0 0 20px rgba(245, 166, 35, 0.12);
  transform: scale(1.02);
  z-index: 2;
}

.package-card.recommended:hover {
  transform: scale(1.02) translateY(-6px);
  box-shadow: 0 15px 40px rgba(245, 166, 35, 0.25), 0 0 30px rgba(245, 166, 35, 0.2);
}

body.dark-mode .package-card.recommended {
  background: linear-gradient(180deg, rgba(14, 28, 55, 0.95) 0%, rgba(10, 20, 40, 0.95) 100%);
}

/* Premier Tier (Title Partner) */
.package-card.premier {
  border: 2px solid #00b4d8;
  box-shadow: 0 10px 30px rgba(0, 180, 216, 0.18), 0 0 20px rgba(0, 180, 216, 0.12);
}

.package-card.premier:hover {
  border-color: #38bdf8;
  box-shadow: 0 15px 40px rgba(0, 180, 216, 0.25), 0 0 30px rgba(0, 180, 216, 0.2);
}

body.dark-mode .package-card.premier {
  background: linear-gradient(180deg, rgba(10, 32, 60, 0.95) 0%, rgba(8, 22, 45, 0.95) 100%);
}

/* Tier Badges */
.package-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.package-badge.badge-rec {
  background: linear-gradient(135deg, #f5a623 0%, #d97706 100%);
  color: #000;
}

.package-badge.badge-prem {
  background: linear-gradient(135deg, #00b4d8 0%, #0077b6 100%);
  color: #fff;
}

/* Card Header */
.package-header {
  text-align: center;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--card-border);
  margin-bottom: 20px;
}

.package-tier-name {
  font-family: 'Poppins', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.package-price {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  font-family: 'Poppins', sans-serif;
}

body.dark-mode .package-price {
  color: var(--secondary);
}

.package-card.recommended .package-price {
  color: #d97706;
}

body.dark-mode .package-card.recommended .package-price {
  color: #f5a623;
}

/* Card Benefits */
.package-benefits {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.benefits-inheritance-label {
  display: inline-block;
  background: rgba(var(--primary-rgb), 0.08);
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 14px;
  text-align: center;
}

body.dark-mode .benefits-inheritance-label {
  background: rgba(56, 189, 248, 0.12);
  color: var(--secondary);
}

.package-benefits-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.package-benefits-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.package-benefits-list li svg {
  width: 16px;
  height: 16px;
  color: #10b981;
  flex-shrink: 0;
  margin-top: 3px;
}

.package-card.recommended .package-benefits-list li svg {
  color: #f5a623;
}

.package-card.premier .package-benefits-list li svg {
  color: #38bdf8;
}

.package-action {
  margin-top: auto;
}

.package-btn {
  width: 100%;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 12px 18px;
}

.package-card .btn-secondary {
  color: var(--primary) !important;
  border: 2px solid var(--primary) !important;
  background: transparent !important;
}

.package-card .btn-secondary:hover {
  background: var(--grad-primary) !important;
  color: #FFFFFF !important;
  border-color: transparent !important;
}

body.dark-mode .package-card .btn-secondary {
  color: var(--secondary) !important;
  border-color: var(--secondary) !important;
}

body.dark-mode .package-card .btn-secondary:hover {
  color: #0F172A !important;
  background: var(--secondary) !important;
}

.inkind-cta-wrap .btn-secondary {
  color: var(--primary) !important;
  border: 2px solid var(--primary) !important;
}

.inkind-cta-wrap .btn-secondary:hover {
  background: var(--grad-primary) !important;
  color: #FFFFFF !important;
  border-color: transparent !important;
}

body.dark-mode .inkind-cta-wrap .btn-secondary {
  color: var(--secondary) !important;
  border-color: var(--secondary) !important;
}

body.dark-mode .inkind-cta-wrap .btn-secondary:hover {
  color: #0F172A !important;
  background: var(--secondary) !important;
}


/* ==========================================================================
   3. Technical / In-Kind Partnerships Grid
   ========================================================================== */
.inkind-section {
  background-color: var(--bg-secondary);
}

.inkind-intro {
  max-width: 680px;
  margin: 0 auto 36px;
  font-size: 1.05rem;
  color: var(--text-secondary);
}

.inkind-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.inkind-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-md);
  padding: 24px 18px;
  text-align: center;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.inkind-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(56, 189, 248, 0.4);
}

.inkind-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(10, 95, 194, 0.1);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  transition: transform var(--transition-normal);
}

body.dark-mode .inkind-icon-box {
  background: rgba(56, 189, 248, 0.12);
  color: var(--secondary);
}

.inkind-card:hover .inkind-icon-box {
  transform: scale(1.1);
}

.inkind-icon-box svg {
  width: 26px;
  height: 26px;
}

.inkind-card h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.inkind-value-pill {
  display: inline-block;
  background: rgba(16, 185, 129, 0.12);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.3);
  font-size: 0.76rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 50px;
  margin-bottom: 12px;
}

body.dark-mode .inkind-value-pill {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border-color: rgba(52, 211, 153, 0.35);
}

.inkind-desc {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.5;
  flex: 1;
}

.inkind-cta-wrap {
  text-align: center;
  margin-top: 36px;
}

/* ==========================================================================
   4. Why Sponsor? Section
   ========================================================================== */
.why-spons-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.why-spons-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-md);
  padding: 30px 24px;
  text-align: center;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.why-spons-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(56, 189, 248, 0.35);
}

.why-spons-icon {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(10, 95, 194, 0.1) 0%, rgba(56, 189, 248, 0.15) 100%);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

body.dark-mode .why-spons-icon {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.15) 0%, rgba(10, 95, 194, 0.25) 100%);
  color: var(--secondary);
}

.why-spons-icon svg {
  width: 28px;
  height: 28px;
}

.why-spons-card h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.why-spons-card p {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* ==========================================================================
   5. Closing CTA / Contact Section
   ========================================================================== */
.spons-cta-section {
  background: linear-gradient(135deg, #020617 0%, #0b1528 50%, #092140 100%);
  color: var(--white);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(0, 180, 216, 0.2);
}

.spons-cta-glow {
  position: absolute;
  top: -100px;
  right: -100px;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.2) 0%, rgba(56, 189, 248, 0) 70%);
  pointer-events: none;
}

.spons-cta-box {
  max-width: 850px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.spons-cta-box h2 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
  line-height: 1.3;
  color: #ffffff;
}

.spons-cta-box .cta-subtitle {
  font-family: 'Poppins', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: #38bdf8;
  margin-bottom: 30px;
  letter-spacing: 1px;
}

.spons-contact-details {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  background: rgba(14, 28, 55, 0.7);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--border-radius-md);
  padding: 24px 20px;
  margin-bottom: 35px;
  text-align: left;
  backdrop-filter: blur(10px);
}

.spons-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.spons-contact-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.spons-contact-icon svg,
.spons-contact-icon i {
  font-size: 16px;
}

.spons-contact-info strong {
  display: block;
  font-size: 0.8rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

.spons-contact-info a,
.spons-contact-info span {
  font-size: 0.92rem;
  color: #ffffff;
  font-weight: 500;
  line-height: 1.4;
}

.spons-contact-info a:hover {
  color: #38bdf8;
  text-decoration: underline;
}

.spons-cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ==========================================================================
   6. Responsive Media Queries
   ========================================================================== */
@media (max-width: 1200px) {
  .packages-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  
  .package-card.recommended {
    transform: none;
  }

  .package-card.recommended:hover {
    transform: translateY(-6px);
  }

  .inkind-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .why-spons-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .spons-hero h1 {
    font-size: 2.8rem;
  }

  .spons-contact-details {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .inkind-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .spons-hero {
    padding: 80px 0 60px;
  }

  .spons-hero h1 {
    font-size: 2.3rem;
  }

  .spons-hero-subtitle {
    font-size: 1.05rem;
  }

  .packages-grid {
    grid-template-columns: 1fr;
  }

  .inkind-grid {
    grid-template-columns: 1fr;
  }

  .why-spons-grid {
    grid-template-columns: 1fr;
  }

  .spons-cta-box h2 {
    font-size: 1.7rem;
  }

  .spons-cta-box .cta-subtitle {
    font-size: 1.2rem;
  }
}