:root {
  --flc-navy: #1A3A52;
  --flc-navy-dark: #0F2838;
  --flc-navy-light: #2A4A62;
  --flc-gold: #9A7B4F;
  --flc-gold-light: #B8956A;
  --flc-charcoal: #2C2C2C;
  --flc-cream: #F5F1E8;
  --flc-offwhite: #FAFAF8;
  --flc-border: #E8E6E1;
  --flc-shadow-soft: 0 8px 26px rgba(15, 40, 56, 0.08);
  --flc-shadow-lift: 0 18px 42px rgba(15, 40, 56, 0.16);
}

html {
  scroll-behavior: smooth;
}

body {
  background:
    radial-gradient(1200px 420px at 84% -12%, rgba(184, 149, 106, 0.18), transparent 65%),
    radial-gradient(900px 360px at -4% 8%, rgba(42, 74, 98, 0.10), transparent 72%),
    linear-gradient(180deg, rgba(250, 250, 248, 0.9), rgba(245, 241, 232, 0.3) 45%, rgba(250, 250, 248, 0.96) 100%);
  color: var(--flc-charcoal);
  line-height: 1.65;
  min-height: 100vh;
}

a {
  text-underline-offset: 2px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid rgba(154, 123, 79, 0.55);
  outline-offset: 2px;
}

main {
  position: relative;
  z-index: 1;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 120;
  background: var(--flc-gold);
  color: #fff;
  padding: 0.55rem 0.85rem;
  border-radius: 0.55rem;
  font-weight: 600;
}

.section-kicker {
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.72rem;
  font-weight: 700;
}

h1,
h2,
h3,
h4 {
  line-height: 1.16;
  letter-spacing: -0.01em;
}

.hero-surface,
.page-hero,
.hero-background,
.hero-header,
.sermon-header {
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(184, 149, 106, 0.24), transparent 65%),
    radial-gradient(900px 450px at 10% 0%, rgba(42, 74, 98, 0.30), transparent 70%),
    linear-gradient(145deg, var(--flc-navy-dark) 0%, var(--flc-navy) 55%, #163247 100%);
}

article,
section,
.shell,
.resource-card,
.week-card,
.searchable-card,
.book-panel,
.content-section,
.scripture-section,
.reflection-section,
.prayer-section,
.devotional-card,
.study-card {
  border-color: var(--flc-border);
}

.resource-card,
.week-card,
.searchable-card,
.book-panel,
.content-section,
.scripture-section,
.reflection-section,
.prayer-section,
.shell,
.devotional-card,
.study-card,
.modal-content {
  box-shadow: var(--flc-shadow-soft);
}

.card-link,
.resource-card,
.week-card,
.searchable-card,
.book-panel,
.devotional-card,
.study-card {
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.card-link:hover,
.card-link:focus-visible,
.resource-card:hover,
.week-card:hover,
.searchable-card:hover,
.book-panel:hover,
.devotional-card:hover,
.study-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--flc-shadow-lift);
  border-color: rgba(154, 123, 79, 0.52);
}

button,
.btn-primary,
.btn-premium,
.btn-ghost,
.download-btn,
a[class*="btn"] {
  border-radius: 0.85rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

button:hover,
.btn-primary:hover,
.btn-premium:hover,
.btn-ghost:hover,
.download-btn:hover,
a[class*="btn"]:hover {
  transform: translateY(-1px);
}

input,
textarea,
select,
.form-input {
  border-radius: 0.85rem;
  border: 1px solid var(--flc-border);
  background: rgba(255, 255, 255, 0.92);
}

.modal-overlay {
  background: rgba(10, 22, 33, 0.55);
  backdrop-filter: blur(6px);
}

.modal-content {
  border: 1px solid rgba(154, 123, 79, 0.22);
  border-radius: 1rem;
}

#headerContainer,
#footerContainer {
  position: relative;
  z-index: 30;
}

#mainNav {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(251, 250, 247, 0.98) 100%) !important;
  border-bottom: 1px solid rgba(154, 123, 79, 0.14) !important;
  box-shadow: 0 2px 14px rgba(15, 40, 56, 0.06) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow: visible !important;
  opacity: 1 !important;
}

#mainNav a,
#mainNav button,
#mainNav input {
  opacity: 1 !important;
}

@media (min-width: 1024px) {
  #mainNav .nav-links {
    margin-left: 1rem;
    margin-right: 1rem;
  }

  #mainNav .search-bar input {
    background: rgba(255, 255, 255, 0.92) !important;
  }
}

#footerContainer {
  margin-top: 2.75rem;
}

#footerContainer::before {
  content: "";
  display: block;
  height: 1px;
  margin: 0 0 1.8rem 0;
  background: linear-gradient(90deg, transparent, rgba(154, 123, 79, 0.42), transparent);
}

.scroll-top-btn,
#scrollTop,
#scrollTopBtn,
.back-to-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--flc-navy), var(--flc-navy-light));
  color: #fff;
  opacity: 0;
  transform: scale(0.9);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  box-shadow: 0 6px 18px rgba(15, 40, 56, 0.25);
  z-index: 80;
}

.scroll-top-btn.visible,
#scrollTop.visible,
#scrollTopBtn.visible,
.back-to-top.visible {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  html {
    scroll-behavior: auto;
  }
}

@media (max-width: 768px) {
  body {
    background-size: 140% auto, 120% auto, auto;
  }

  .resource-card:hover,
  .week-card:hover,
  .searchable-card:hover,
  .book-panel:hover,
  .devotional-card:hover,
  .study-card:hover {
    transform: none;
  }
}