/* =====================
   Base & Reset
   ===================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: #0f172a;
  background-color: #f8fafc;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background-color: #e0e7ff;
  color: #312e81;
}

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

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

h1, h2, h3, p {
  margin: 0;
}

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

button {
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

/* =====================
   Utility
   ===================== */
.hidden {
  display: none !important;
}

/* =====================
   Navigation
   ===================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

.nav-inner {
  max-width: 64rem;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: opacity 0.15s ease;
}

.nav-logo:hover {
  opacity: 0.8;
}

.nav-logo img {
  height: 2rem;
  width: auto;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: #64748b;
  transition: color 0.15s ease;
}

.nav-link:hover {
  color: #0f172a;
}

.nav-mobile-btn {
  display: flex;
  align-items: center;
  color: #0f172a;
}

.nav-mobile-menu {
  border-top: 1px solid #e2e8f0;
  background-color: #ffffff;
  padding: 1rem 1.5rem;
}

.nav-mobile-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.nav-mobile-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: #475569;
}

/* =====================
   Main Content
   ===================== */
.main-content {
  max-width: 64rem;
  margin: 0 auto;
  padding: 6rem 1.5rem 3rem;
}

/* =====================
   Hero
   ===================== */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 6rem 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  background-color: #eef2ff;
  border: 1px solid #e0e7ff;
  color: #0b447f;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.hero-title {
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: center;
}

.hero-title img {
  width: 50%;
  height: auto;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: #64748b;
  max-width: 42rem;
  line-height: 1.625;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
}

/* =====================
   Buttons
   ===================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  background-color: #0f172a;
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background-color 0.15s ease;
  width: 100%;
}

.btn-primary:hover {
  background-color: #1e293b;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  color: #0f172a;
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  transition: background-color 0.15s ease, border-color 0.15s ease;
  width: 100%;
}

.btn-secondary:hover {
  background-color: #f8fafc;
  border-color: #cbd5e1;
}

/* =====================
   Divider
   ===================== */
.section-divider {
  border: none;
  border-top: 1px solid #e2e8f0;
  margin: 3rem 0;
}

/* =====================
   Sections (shared)
   ===================== */
.section {
  padding: 3rem 0;
  scroll-margin-top: 6rem;
}

.section-heading-lg {
  font-size: 1.875rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: #0f172a;
  margin-bottom: 1.5rem;
}

.section-heading-md {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: #0f172a;
  margin-bottom: 1.5rem;
}

/* =====================
   About
   ===================== */
.about-inner {
  max-width: 48rem;
}

.about-text {
  font-size: 1.125rem;
  color: #475569;
  line-height: 1.625;
}

/* =====================
   Activities
   ===================== */
.activities-header {
  margin-bottom: 3rem;
}

.activities-subtitle {
  font-size: 1rem;
  color: #64748b;
}

.activities-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.activity-card {
  background-color: #ffffff;
  padding: 2rem;
  border-radius: 1rem;
  border: 1px solid #e2e8f0;
  box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.activity-card:hover {
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  border-color: #cbd5e1;
}

.activity-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: transform 0.15s ease;
}

.activity-card:hover .activity-icon {
  transform: scale(1.05);
}

.activity-icon--indigo { background-color: #eef2ff; color: #4f46e5; }
.activity-icon--emerald { background-color: #ecfdf5; color: #059669; }
.activity-icon--amber { background-color: #fffbeb; color: #d97706; }
.activity-icon--rose { background-color: #fff1f2; color: #e11d48; }

.activity-title {
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.025em;
  color: #0f172a;
  margin-bottom: 0.5rem;
}

.activity-desc {
  font-size: 0.875rem;
  color: #64748b;
  line-height: 1.625;
}

/* =====================
   Info + Contact grid
   ===================== */
.info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  padding: 3rem 0;
}

/* =====================
   Registry
   ===================== */
.registry-card {
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
}

.registry-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.registry-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.registry-item-icon {
  color: #94a3b8;
  margin-top: 0.125rem;
  flex-shrink: 0;
}

.registry-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: #0f172a;
}

.registry-value {
  font-size: 1rem;
  color: #475569;
  margin-top: 0.25rem;
}

/* =====================
   Contact
   ===================== */
.contact-intro {
  font-size: 1rem;
  color: #475569;
  margin-bottom: 2rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  padding: 1rem;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.contact-link:hover {
  background-color: #f8fafc;
  border-color: #cbd5e1;
}

.contact-link-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  background-color: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #475569;
  flex-shrink: 0;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.contact-link--email:hover .contact-link-icon {
  background-color: #eef2ff;
  color: #4f46e5;
}

.contact-link--facebook:hover .contact-link-icon {
  background-color: rgba(24, 119, 242, 0.1);
  color: #1877F2;
}

.contact-link-text {
  flex: 1;
}

.contact-link-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.contact-link-value {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: #0f172a;
  margin-top: 0.125rem;
}

.contact-link-arrow {
  color: #94a3b8;
  flex-shrink: 0;
  transition: color 0.15s ease;
}

.contact-link:hover .contact-link-arrow {
  color: #0f172a;
}

/* =====================
   Footer
   ===================== */
.footer {
  border-top: 1px solid #e2e8f0;
  background-color: #ffffff;
  padding: 2rem 0;
}

.footer-inner {
  max-width: 64rem;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-text {
  font-size: 0.875rem;
  color: #64748b;
}

.footer-logo {
  height: 1.5rem;
  width: auto;
  opacity: 0.5;
  filter: grayscale(100%);
  transition: opacity 0.15s ease;
}

.footer-logo:hover {
  opacity: 1;
}

/* =====================
   Responsive
   ===================== */
@media (min-width: 640px) {
  .hero-subtitle {
    font-size: 1.25rem;
  }

  .hero-actions {
    flex-direction: row;
    width: auto;
  }

  .btn-primary,
  .btn-secondary {
    width: auto;
  }
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }

  .nav-mobile-btn {
    display: none;
  }

  .hero {
    padding: 8rem 0;
  }

  .section-divider {
    margin: 5rem 0;
  }

  .section {
    padding: 5rem 0;
  }

  .info-grid {
    padding: 5rem 0;
  }

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

  .footer-inner {
    flex-direction: row;
  }
}

@media (min-width: 1024px) {
  .info-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}