/* ==========================================================================
   Central Baptist Church of Tucson (est. 1961) - Brand Design System & CSS
   ========================================================================== */

/* Brand Color Palette & Tokens */
:root {
  /* Brand Primary Tokens (Sherwin-Williams & RAL exact specs) */
  --color-iron-ore: #3B3E3D;      /* SW 7069 */
  --color-alabaster: #F4F0E8;     /* SW 7008 Base Light */
  --color-alabaster-card: #FAF8F4;
  --color-alabaster-hover: #ECE6DA;
  --color-grounding-navy: #1B2A3F;/* Primary Brand Color */
  --color-navy-dark: #121D2C;
  --color-sanctuary-gold: #C5A059;/* Accent / Gold Metallics */
  --color-sanctuary-gold-hover: #B28E46;
  --color-red-brick: #9A422D;     /* Facade Accent (est 1961 brick) */
  --color-red-brick-light: #B8533C;
  --color-slate: #434B4D;         /* RAL 7015 */
  
  /* Dynamic Theme Semantic Tokens (Default Light) */
  --bg-primary: var(--color-alabaster);
  --bg-surface: var(--color-alabaster-card);
  --bg-surface-elevated: #FFFFFF;
  --bg-header: rgba(244, 240, 232, 0.95);
  --bg-footer: var(--color-grounding-navy);
  
  --text-main: #23282B;
  --text-muted: var(--color-slate);
  --text-inverse: var(--color-alabaster);
  --text-header: var(--color-grounding-navy);

  --border-color: rgba(67, 75, 77, 0.15);
  --border-accent: var(--color-sanctuary-gold);
  --border-brick: var(--color-red-brick);

  --shadow-sm: 0 2px 4px rgba(27, 42, 63, 0.04);
  --shadow-md: 0 6px 16px rgba(27, 42, 63, 0.08);
  --shadow-lg: 0 12px 32px rgba(27, 42, 63, 0.12);
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Theme Tokens */
[data-theme="dark"] {
  --bg-primary: var(--color-navy-dark);
  --bg-surface: #192638;
  --bg-surface-elevated: #202F44;
  --bg-header: rgba(18, 29, 44, 0.95);
  --bg-footer: #0D1520;
  
  --text-main: #F4F0E8;
  --text-muted: #B0B9C3;
  --text-inverse: #121D2C;
  --text-header: #FFFFFF;

  --border-color: rgba(244, 240, 232, 0.12);
  --border-accent: var(--color-sanctuary-gold);
  --border-brick: var(--color-red-brick-light);

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 6px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.4);
}

/* Reset & Base Typography */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-primary);
  scroll-behavior: smooth;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6, .font-serif {
  font-family: 'Lora', Georgia, serif;
  color: var(--text-header);
  line-height: 1.25;
  font-weight: 600;
}

h1 { font-size: clamp(2.2rem, 4vw, 3.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.75rem); }
h4 { font-size: 1.2rem; }

p {
  margin-bottom: 1.25rem;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--color-grounding-navy);
  text-decoration: none;
  transition: color var(--transition-fast);
}

[data-theme="dark"] a {
  color: var(--color-sanctuary-gold);
}

a:hover {
  color: var(--color-sanctuary-gold);
}

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

/* Header & Navigation */
.top-announcement-bar {
  background-color: var(--color-grounding-navy);
  color: var(--color-alabaster);
  text-align: center;
  padding: 0.6rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  border-bottom: 2px solid var(--color-sanctuary-gold);
}

.top-announcement-bar strong {
  color: var(--color-sanctuary-gold);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--bg-header);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-normal);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.brand-logo-img {
  height: 52px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.brand-logo-link:hover .brand-logo-img {
  transform: scale(1.03);
}

.brand-text-container {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: 'Lora', serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-header);
  line-height: 1.1;
  letter-spacing: 0.01em;
}

.brand-subtitle {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-sanctuary-gold);
  font-weight: 600;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-main);
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-sanctuary-gold);
  transition: width var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-sanctuary-gold);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Theme Switcher Toggle */
.theme-toggle-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  border-color: var(--color-sanctuary-gold);
  color: var(--color-sanctuary-gold);
  transform: rotate(15deg);
}

/* Button Component */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--color-grounding-navy);
  color: var(--color-alabaster);
  border-color: var(--color-grounding-navy);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--color-navy-dark);
  border-color: var(--color-sanctuary-gold);
  color: var(--color-sanctuary-gold);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-gold {
  background-color: var(--color-sanctuary-gold);
  color: #FFFFFF;
  border-color: var(--color-sanctuary-gold);
  box-shadow: var(--shadow-sm);
}

.btn-gold:hover {
  background-color: var(--color-sanctuary-gold-hover);
  border-color: var(--color-sanctuary-gold-hover);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-header);
  border-color: var(--border-accent);
}

.btn-outline:hover {
  background-color: var(--color-sanctuary-gold);
  color: #FFFFFF;
  border-color: var(--color-sanctuary-gold);
  transform: translateY(-2px);
}

.btn-brick {
  background-color: var(--color-red-brick);
  color: #FFFFFF;
  border-color: var(--color-red-brick);
}

.btn-brick:hover {
  background-color: var(--color-red-brick-light);
  border-color: var(--color-red-brick-light);
  transform: translateY(-2px);
}

/* Mobile Nav Toggle */
.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

.mobile-nav-drawer {
  display: none;
  flex-direction: column;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 1.5rem 1.5rem;
  gap: 1rem;
}

.mobile-nav-drawer.open {
  display: flex;
}

/* Hero Component */
.hero-section {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-grounding-navy);
  color: var(--color-alabaster);
  overflow: hidden;
  padding: 4rem 1.5rem;
}

.hero-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  filter: brightness(0.85);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(27, 42, 63, 0.4) 0%, rgba(18, 29, 44, 0.85) 100%);
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 850px;
  text-align: center;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.1rem;
  background-color: rgba(197, 160, 89, 0.2);
  border: 1px solid var(--color-sanctuary-gold);
  border-radius: var(--radius-full);
  color: var(--color-sanctuary-gold);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.hero-title {
  color: #FFFFFF;
  margin-bottom: 1.25rem;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: rgba(244, 240, 232, 0.9);
  max-width: 680px;
  margin: 0 auto 2rem;
  line-height: 1.5;
}

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

/* Sections & Layout Containers */
.section {
  padding: 5rem 1.5rem;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-tag {
  color: var(--color-sanctuary-gold);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.5rem;
}

.section-title {
  margin-bottom: 1rem;
}

.section-description {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 640px;
  margin: 0 auto;
}

/* Feature Cards Grid */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.card {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.card-brick-accent {
  border-top: 4px solid var(--color-red-brick);
}

.card-gold-accent {
  border-top: 4px solid var(--color-sanctuary-gold);
}

.card-navy-accent {
  border-top: 4px solid var(--color-grounding-navy);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-sanctuary-gold);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: rgba(197, 160, 89, 0.15);
  color: var(--color-sanctuary-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
}

.card-title {
  margin-bottom: 0.75rem;
  font-size: 1.35rem;
}

.card-text {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.card-link {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-sanctuary-gold);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.card-link:hover {
  gap: 0.6rem;
}

/* Historic Red Brick Highlight Feature Section */
.brick-heritage-block {
  background-color: var(--bg-surface);
  border-left: 6px solid var(--color-red-brick);
  border-radius: var(--radius-md);
  padding: 3rem;
  margin: 3rem 0;
  box-shadow: var(--shadow-sm);
}

.brick-heritage-title {
  font-family: 'Lora', serif;
  color: var(--color-red-brick);
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

/* Service Times & Map Banner */
.info-banner-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.map-container {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--border-color);
  min-height: 380px;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  min-height: 380px;
  border: 0;
}

/* Content Page Typography & Formatting */
.prose {
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--text-main);
}

.prose h1, .prose h2, .prose h3, .prose h4 {
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.prose ul, .prose ol {
  margin-left: 1.5rem;
  margin-bottom: 1.5rem;
}

.prose li {
  margin-bottom: 0.5rem;
}

.prose blockquote {
  border-left: 4px solid var(--color-sanctuary-gold);
  padding-left: 1.25rem;
  font-style: italic;
  color: var(--text-muted);
  margin: 1.5rem 0;
}

.prose img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  margin: 2rem 0;
}

/* Footer Styling */
.site-footer {
  background-color: var(--bg-footer);
  color: var(--color-alabaster);
  margin-top: auto;
  border-top: 3px solid var(--color-sanctuary-gold);
  padding-top: 4rem;
  padding-bottom: 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand-title {
  color: #FFFFFF;
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.footer-tagline {
  color: var(--color-sanctuary-gold);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.footer-text {
  color: rgba(244, 240, 232, 0.75);
  font-size: 0.92rem;
  line-height: 1.6;
}

.footer-heading {
  color: #FFFFFF;
  font-size: 1.05rem;
  margin-bottom: 1.2rem;
  font-family: 'Lora', serif;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.65rem;
}

.footer-links a {
  color: rgba(244, 240, 232, 0.8);
  font-size: 0.92rem;
}

.footer-links a:hover {
  color: var(--color-sanctuary-gold);
}

.footer-bottom {
  border-top: 1px solid rgba(244, 240, 232, 0.12);
  padding-top: 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(244, 240, 232, 0.6);
}

/* Responsive Media Queries */
@media (max-width: 900px) {
  .info-banner-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .main-nav, .header-actions .btn {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .hero-section {
    min-height: 420px;
    padding: 3rem 1rem;
  }
}