*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-navy: #1e2a3a;
  --color-navy-deep: #151f2b;
  --color-navy-light: #2d3f54;
  --color-blue: #5b9bd5;
  --color-blue-light: #78b0e0;
  --color-green: #2d8a4e;
  --color-green-dark: #236b3d;
  --color-green-light: #d4edda;
  --color-gold: #c9a84c;
  --color-cream: #f8f6f1;
  --color-white: #ffffff;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-400: #9ca3af;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --font-display: "Playfair Display", Georgia, serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-gray-800);
  line-height: 1.6;
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--color-blue-light);
  outline-offset: 3px;
}

address {
  font-style: normal;
}

/* Skip link */

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  padding: 0.75rem 1.5rem;
  background: var(--color-white);
  color: var(--color-navy);
  font-weight: 600;
  border-radius: 0 0 8px 8px;
  z-index: 100;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 0;
}

/* Nav */

.nav {
  display: flex;
  justify-content: center;
  padding: 1.25rem 1.5rem;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
}

.nav-list {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.025em;
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--color-white);
}

/* Hero */

.hero {
  position: relative;
  background: linear-gradient(170deg, var(--color-navy-deep) 0%, var(--color-navy) 40%, var(--color-navy-light) 100%);
  color: var(--color-white);
  text-align: center;
  padding: 7rem 1.5rem 5rem;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 80%, rgba(91, 155, 213, 0.12) 0%, transparent 60%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.hero-logo {
  width: 200px;
  height: auto;
  margin: 0 auto 1.5rem;
  filter: drop-shadow(0 4px 24px rgba(0, 0, 0, 0.3));
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255, 255, 255, 0.75);
  max-width: 480px;
  margin: 0 auto 2rem;
  line-height: 1.5;
}

.hero-details {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-blue-light);
}

.hero-separator {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-blue-light);
  opacity: 0.6;
}

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

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--color-green);
  color: var(--color-white);
  box-shadow: 0 2px 8px rgba(45, 138, 78, 0.3);
}

.btn-primary:hover {
  background: var(--color-green-dark);
  box-shadow: 0 4px 16px rgba(45, 138, 78, 0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.65);
}

.btn-secondary:hover {
  border-color: var(--color-white);
  background: rgba(255, 255, 255, 0.08);
}

.btn-sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
}

/* Sections */

.section {
  padding: 5rem 1.5rem;
}

.section-alt {
  background: var(--color-cream);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
  color: var(--color-navy);
}

.section-description {
  text-align: center;
  color: var(--color-gray-600);
  max-width: 560px;
  margin: 0 auto 3rem;
  font-size: 1.05rem;
}

.cta-centered {
  text-align: center;
  margin-top: 3rem;
}

/* In non-hero contexts, use green-on-white button style */
.section .btn-secondary {
  color: var(--color-navy);
  border-color: var(--color-navy-light);
}

.section .btn-secondary:hover {
  background: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
}

/* Details */

.details-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: 960px;
  margin: 2rem auto 0;
}

.detail-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  text-align: center;
}

.detail-icon {
  width: 32px;
  height: 32px;
  color: var(--color-green);
  margin: 0 auto 1rem;
}

.detail-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
}

.detail-card p {
  color: var(--color-gray-600);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Sponsorships */

.sponsor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.sponsor-card {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  text-align: center;
  transition: box-shadow 0.2s, transform 0.2s;
}

.sponsor-card:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.sponsor-card--featured {
  grid-column: 1 / -1;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 1px var(--color-gold), 0 4px 20px rgba(201, 168, 76, 0.15);
}

.sponsor-badge {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-gold);
  color: var(--color-navy-deep);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.25rem 1rem;
  border-radius: 100px;
}

.sponsor-price {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 0.25rem;
}

.sponsor-name {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-gray-200);
}

.sponsor-perks {
  list-style: none;
  text-align: left;
}

.sponsor-perks li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--color-gray-600);
  font-size: 0.925rem;
  line-height: 1.5;
}

.sponsor-perks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-green);
  opacity: 0.7;
}

/* Forms */

.form-wrapper {
  max-width: 600px;
  margin: 0 auto;
}

.site-form fieldset {
  border: none;
  margin-bottom: 2rem;
}

.site-form legend {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 1rem;
  width: 100%;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-gray-200);
}

.form-field {
  display: block;
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: 0.375rem;
}

.form-label abbr {
  color: var(--color-green);
  text-decoration: none;
}

.form-field input {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-gray-200);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-gray-800);
  background: var(--color-white);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-field input:focus {
  outline: none;
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(91, 155, 213, 0.15);
}

.site-form.was-validated .form-field input:invalid {
  border-color: #dc3545;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.radio-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--color-gray-200);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.radio-option:hover {
  border-color: var(--color-blue-light);
  background: rgba(91, 155, 213, 0.04);
}

.radio-option:has(input:checked) {
  border-color: var(--color-green);
  background: rgba(45, 138, 78, 0.05);
}

.radio-option input[type="radio"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  accent-color: var(--color-green);
}

.radio-label {
  font-size: 0.95rem;
  color: var(--color-gray-700);
}

.btn-submit {
  width: 100%;
  margin-top: 0.5rem;
}

/* Confirmation */

.confirmation {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.confirmation-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.confirmation h3 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 0.75rem;
}

.confirmation > p {
  color: var(--color-gray-600);
  margin-bottom: 2rem;
}

.confirmation-details {
  text-align: left;
  background: var(--color-gray-50);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.confirmation-details dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 1.5rem;
}

.confirmation-details dt {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-gray-600);
}

.confirmation-details dd {
  font-size: 0.875rem;
  color: var(--color-gray-800);
  font-weight: 600;
}

.confirmation-payment {
  margin-top: 2rem;
}

.confirmation-payment-heading {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 1rem;
}

.payment-grid--compact {
  max-width: 500px;
  margin: 0 auto;
}

.payment-grid--compact .payment-option h4 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 0.75rem;
}

/* Auction */

.auction-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.auction-content p {
  color: var(--color-gray-600);
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
}

.auction-content .btn {
  margin-bottom: 0.75rem;
}

.auction-content .auction-email {
  font-size: 0.9rem;
  color: var(--color-gray-600);
}

/* Payment */

.payment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 700px;
  margin: 2rem auto 0;
}

.payment-option {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
}

.payment-option h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 1rem;
}

.payment-option p,
.payment-option address {
  color: var(--color-gray-600);
  line-height: 1.7;
}

.qr-code {
  width: 200px;
  margin: 1rem auto 0;
  border-radius: 8px;
}

.tax-note {
  text-align: center;
  color: var(--color-gray-600);
  font-size: 0.875rem;
  margin-top: 2rem;
  font-style: italic;
}

/* Footer */

.footer {
  background: var(--color-navy-deep);
  color: var(--color-white);
  padding: 3rem 1.5rem 2rem;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto 2rem;
}

.footer-logo {
  width: 80px;
  height: auto;
  opacity: 0.9;
}

.footer-heading {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.footer-info a {
  color: var(--color-blue-light);
  transition: color 0.2s;
  display: block;
  font-size: 0.95rem;
}

.footer-info a:hover {
  color: var(--color-white);
}

.footer-actions {
  display: flex;
  gap: 0.75rem;
}

.footer-legal {
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive */

@media (max-width: 768px) {
  .nav {
    padding: 0.75rem 1rem;
  }

  .nav-list {
    gap: 0.5rem;
  }

  .nav-link {
    font-size: 0.75rem;
  }

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

  .sponsor-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

  .hero {
    padding: 5.5rem 1.25rem 3.5rem;
  }

  .hero-logo {
    width: 150px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .hero-details {
    flex-direction: column;
    gap: 0.25rem;
  }

  .hero-separator {
    display: none;
  }

  .section {
    padding: 3.5rem 1.25rem;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .footer-logo {
    margin: 0 auto;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 300px;
  }

  .details-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 400px;
    margin: 2rem auto 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms;
  }
}