:root {
  --bg: #ffffff;
  --text: #101418;
  --muted: #6b7280;
  --brand: #2f4f6f;
  --brand-strong: #1f2f43;
  --border: #e5e7eb;
  /* Unified navigation theme */
  --nav-bg: #1a4a7d;
  --nav-bg-light: #2c6fb0;
  --nav-bg-strong: #12355a;
  --nav-bg-rgb: 26, 74, 125;
  /* Backwards-compat */
  --bluebar: var(--nav-bg);
  --topbar-h: 72px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px;
}

.topbar .container {
  padding: 0;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bluebar);
  border-bottom: none;
}

/* Modern sticky effect */
.site-header.scrolled {
  box-shadow: 0 6px 24px rgba(0,0,0,0.18);
  background: linear-gradient(180deg, rgba(var(--nav-bg-rgb),0.98) 0%, rgba(var(--nav-bg-rgb),0.95) 100%);
  backdrop-filter: saturate(120%) blur(8px);
}

.topbar { background: var(--bluebar); color: #eaf2f7; border-bottom: none; }

.topbar-inner {
  display: flex;
  align-items: center;
  height: var(--topbar-h);
  justify-content: flex-start;
  padding-left: 0;
}

.site-title {
  justify-self: center;
  font-family: Merriweather, Georgia, serif;
  font-weight: 700;
  font-style: italic;
  font-size: 32px;
  letter-spacing: 1px;
  color: #eaf2f7;
  margin: 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

/* Logo badge */
.logo-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  color: inherit;
  padding-left: 8px;
  transition: opacity 0.3s ease;
  cursor: pointer;
  position: relative;
  z-index: 10;
}

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

.logo-badge:active {
  transform: scale(0.98);
}

.badge-lines {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  background: var(--nav-bg);
  color: #ffffff;
  border-radius: 4px;
}

.badge-lines .line { text-transform: uppercase; letter-spacing: 2px; }
.badge-lines .line-title { 
  font-size: 18px; 
  font-weight: 800; 
  letter-spacing: 3px; 
  white-space: nowrap;
  line-height: 1;
}

.badge-crest {
  width: 48px;
  height: 48px;
  display: inline-flex;
  border-radius: 50%;
  background: #f2a81d center/cover no-repeat;
  border: 3px solid #ffffff;
  box-shadow: 0 0 0 2px rgba(0,0,0,0.08);
  overflow: hidden;
  flex-shrink: 0;
}

/* Navigation */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 12px;
  background: rgba(255,255,255,0.1);
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  position: relative;
  z-index: 1001;
}

.nav-toggle:hover {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.5);
  transform: scale(1.05);
}

.nav-toggle .bar { 
  display: block; 
  width: 20px; 
  height: 3px; 
  background: #ffffff; 
  border-radius: 2px;
  transition: all 0.3s ease;
  transform-origin: center;
}

.nav-toggle[aria-expanded="true"] .bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .bar:nth-child(2) {
  opacity: 0;
  transform: scale(0);
}

.nav-toggle[aria-expanded="true"] .bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.main-nav { display: block; margin-left: auto; }

.menu {
  list-style: none;
  display: flex;
  gap: 24px;
  margin: 0;
  padding: 0;
  align-items: center;
}

.menu > li > a,
.menu > li > button.submenu-toggle {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans";
  font-size: 16px;
  font-weight: 600;
  line-height: 1;
  color: #eaf2f7;
  text-decoration: none;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 12px 10px;
  border-radius: 10px;
  transition: color 0.25s ease, background-color 0.25s ease, transform 0.2s ease;
  position: relative;
}

/* Desktop behavior for submenu toggle */
@media (min-width: 721px) {
  .menu > li > button.submenu-toggle {
    cursor: pointer;
  }
  
  .menu > li > button.submenu-toggle:hover {
    color: #ffffff;
    transform: translateY(-1px);
  }
}
.menu > li > button.submenu-toggle .caret { margin-left: 6px; transition: transform .2s ease; }
.menu > li > button.submenu-toggle[aria-expanded="true"] .caret { transform: rotate(180deg); }
.menu > li > a:hover, .menu > li > button.submenu-toggle:hover { color: #ffffff; background: rgba(255,255,255,0.08); }

/* Animated underline */
.menu > li > a::after,
.menu > li > button.submenu-toggle::after {
  content: '';
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 6px;
  height: 2px;
  background: rgba(255,255,255,0.8);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s ease;
  border-radius: 2px;
}

.menu > li:hover > a::after,
.menu > li:hover > button.submenu-toggle::after,
.menu > li > button.submenu-toggle[aria-expanded="true"]::after {
  transform: scaleX(1);
}

/* Focus-visible states for accessibility */
.menu > li > a:focus-visible,
.menu > li > button.submenu-toggle:focus-visible,
.submenu li a:focus-visible,
.nav-toggle:focus-visible,
.logo-badge:focus-visible {
  outline: 2px solid #ffffff;
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(255,255,255,0.25);
}

.has-submenu { 
  position: relative; 
}

.submenu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: rgba(255,255,255,0.96);
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.18);
  padding: 8px;
  list-style: none;
  margin: 0;
  display: none;
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
  visibility: hidden;
  pointer-events: none;
  z-index: 1000;
  backdrop-filter: blur(10px);
  border-top: 3px solid var(--brand);
}

.submenu.open {
  display: block !important;
  opacity: 1 !important;
  visibility: visible !important;
  transform: translateY(0) !important;
  pointer-events: auto !important;
}

.submenu li {
  margin: 0;
}

.submenu li a {
  display: block;
  padding: 10px 12px;
  color: #374151;
  text-decoration: none;
  border-radius: 6px;
  transition: background-color 0.2s ease;
  font-size: 14px;
  font-weight: 500;
}

.submenu li a:hover {
  background: #f3f4f6;
  color: #1f2937;
}
/* Click behavior - prioritize JavaScript control */
.submenu.show,
.submenu.open { 
  display: block !important; 
  opacity: 1 !important;
  transform: translateY(0) !important;
  pointer-events: auto !important;
  visibility: visible !important;
}

/* Desktop hover behavior - only if not controlled by JS */
@media (min-width: 721px) {
  .has-submenu:hover > .submenu:not(.open) {
    display: block !important;
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
    visibility: visible;
  }
  
  .has-submenu:hover > .submenu li a {
    pointer-events: auto;
    cursor: pointer;
  }
  
  /* Ensure open class takes precedence */
  .has-submenu > .submenu.open {
    display: block !important;
    opacity: 1 !important;
    transform: translateX(-50%) translateY(0) !important;
    pointer-events: auto !important;
    visibility: visible !important;
  }
}

/* Desktop positioning */
@media (min-width: 721px) {
  .submenu {
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    min-width: 240px;
    padding: 10px;
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
  }
  
  .submenu.open {
    transform: translateX(-50%) translateY(0) !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
  }
}

/* Masthead (optional) */
.masthead { position: relative; padding: 48px 0; border-bottom: 1px solid var(--border); }
.masthead-inner { position: relative; }
.quote-mark { font-size: 96px; color: #e3b024; line-height: 0.6; }
.quote-text { font-family: Merriweather, Georgia, serif; font-style: italic; font-size: 36px; color: #000000; margin: 8px 0 0; }

/* Legacy hero grid (if used elsewhere) */
.hero { padding: 32px 0 16px; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.hero-card { margin: 0; border-radius: 16px; overflow: hidden; border: 1px solid var(--border); background: #fff; }
.hero-card img { display: block; width: 100%; height: 360px; object-fit: cover; }
.hero-card figcaption { padding: 12px 14px; font-weight: 600; color: var(--brand-strong); }

/* Full background image sections with separators */
.image-section {
  position: relative;
  height: 80vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  overflow: hidden;
}

.image-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.3) 100%);
  z-index: 1;
}

/* Allow sections to opt-out of their own background/overlay when body has bg (index mimic hoa-tam) */
.image-section.no-bg {
  background: transparent !important;
  background-image: none !important;
}
.image-section.no-bg::before {
  background: none !important;
}

.image-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 2;
  width: 100%;
}

.image-caption {
  text-align: center;
  color: white;
  padding: 40px 30px;
}

.image-caption h2 {
  font-family: Merriweather, Georgia, serif;
  font-size: 32px;
  font-weight: 700;
  margin: 0 0 12px 0;
  text-shadow: 0 3px 6px rgba(0,0,0,0.7);
}

.image-caption p {
  font-size: 18px;
  margin: 0;
  opacity: 0.95;
  text-shadow: 0 2px 4px rgba(0,0,0,0.7);
  max-width: 600px;
  margin: 0 auto;
}

/* Background image classes with enhanced quality */
.image-section-1 {
  background-image: url('../images/Pier Giorgio Frassati.png');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  /* Enhanced image quality settings */
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  image-rendering: high-quality;
}

/* removed unused .image-section-2 */

/* Separator between sections */
.section-separator {
  height: 8px;
  background: var(--brand-strong);
  margin: 0;
  position: relative;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Header separator */
.header-separator {
  height: 1px;
  background: linear-gradient(90deg, transparent, #e5e7eb, transparent);
  margin: 0;
}

/* Canonization Section */
.canonization-section {
  padding: 60px 0;
  background: #ffffff;
}

.canonization-header {
  margin-bottom: 40px;
}

.canonization-title {
  font-family: Merriweather, Georgia, serif;
  font-size: 48px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 20px 0;
  line-height: 1.2;
}

.canonization-meta {
  margin-bottom: 0;
}

.date-info {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.calendar-icon {
  font-size: 16px;
}

.date {
  font-size: 18px;
  font-weight: 600;
  color: var(--brand);
}

.location {
  font-size: 16px;
  color: var(--muted);
  font-style: italic;
  margin-left: 24px;
}

.canonization-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.content-text {
  font-size: 18px;
  line-height: 1.8;
  color: var(--text);
}

.content-text p {
  margin-bottom: 24px;
}

.pope-quote {
  background: #f8fafc;
  border-left: 4px solid var(--brand);
  padding: 24px;
  margin: 32px 0;
  font-style: italic;
  font-size: 20px;
  line-height: 1.6;
  color: var(--brand-strong);
  position: relative;
}

.pope-quote cite {
  display: block;
  margin-top: 16px;
  font-size: 16px;
  font-style: normal;
  color: var(--muted);
  text-align: right;
}

.content-image {
  position: relative;
}

.canonization-img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Footer */
.site-footer { 
  border-top: 1px solid var(--border); 
  padding: 24px 0; 
  color: var(--muted); 
  font-size: 14px; 
  text-align: center;
}

.site-footer p {
  margin: 8px 0;
}

.footer-description {
  font-style: italic;
  color: var(--brand);
  font-size: 16px;
  margin-top: 12px !important;
}

.footer-contact {
  color: var(--muted);
  font-size: 14px;
  margin-top: 16px !important;
  font-weight: 500;
}

/* Responsive */
@media (max-width: 900px) { 
  .hero-card img { height: 300px; }
  .image-section { 
    height: 60vh; 
    min-height: 400px;
    background-attachment: scroll;
  }
  .image-caption h2 { font-size: 28px; }
  .image-caption p { font-size: 16px; }
  
  /* Canonization responsive */
  .canonization-title { font-size: 36px; }
  .canonization-content { 
    grid-template-columns: 1fr; 
    gap: 40px; 
  }
  .canonization-img { height: 400px; }
  .content-text { font-size: 16px; }
  .pope-quote { font-size: 18px; padding: 20px; }
}

@media (max-width: 720px) {
  .nav-toggle { display: inline-flex; }
  
  .main-nav {
    display: none; 
    position: fixed; 
    top: 0; 
    right: -100%; 
    width: 85%; 
    max-width: 400px;
    height: 100vh;
    background: linear-gradient(135deg, var(--nav-bg) 0%, var(--nav-bg-strong) 100%);
    border-left: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: blur(20px);
    z-index: 1000;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -10px 0 30px rgba(0,0,0,0.3);
  }
  
  .main-nav.open { 
    display: block; 
    right: 0;
  }
  
  .menu { 
    flex-direction: column; 
    align-items: stretch; 
    gap: 0; 
    padding: 80px 0 20px 0; 
    height: 100%;
    overflow-y: auto;
  }
  
  .menu > li > a, 
  .menu > li > button.submenu-toggle { 
    padding: 18px 24px; 
    text-align: left; 
    font-size: 17px;
    font-weight: 600;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s ease;
    position: relative;
  }
  
  .menu > li > a:hover,
  .menu > li > button.submenu-toggle:hover {
    background: rgba(255,255,255,0.1);
    padding-left: 32px;
  }
  
  .menu > li > a.active {
    background: rgba(255,255,255,0.15);
    border-left: 4px solid #ffffff;
  }
  
  /* Enable hover effects on mobile for better UX */
  @media (max-width: 720px) {
    .has-submenu:hover > .submenu {
      display: block !important;
      opacity: 1 !important;
      visibility: visible !important;
      transform: translateY(0) !important;
      pointer-events: auto !important;
    }
    
    .submenu {
      will-change: transform, opacity;
    }
    
    .submenu.open {
      will-change: transform, opacity;
    }
  }
  
  .submenu { 
    position: static; 
    border: none; 
    box-shadow: none; 
    padding: 0; 
    background: rgba(0,0,0,0.1);
    border-radius: 0;
    display: none;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    visibility: hidden;
    pointer-events: none;
    min-width: auto;
    width: 100%;
    margin: 0;
    list-style: none;
    max-height: 0;
    overflow: hidden;
  }
  
  .submenu.open { 
    display: block !important; 
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
    pointer-events: auto !important;
    max-height: 500px !important;
    overflow: visible !important;
  }
  
  /* Ensure submenu is visible on mobile */
  @media (max-width: 720px) {
    .submenu.open {
      position: static !important;
      width: 100% !important;
      min-width: auto !important;
      left: 0 !important;
      top: 0 !important;
      transform: translateY(0) !important;
    }
  }
  
  .submenu li {
    margin: 0;
  }
  
  .submenu li a {
    padding: 14px 24px 14px 48px;
    font-size: 15px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    transition: background-color 0.2s ease, padding-left 0.2s ease;
    color: #ffffff !important;
    text-decoration: none;
    display: block;
    width: 100%;
  }
  
  .submenu li a:hover {
    background: rgba(255,255,255,0.08);
    padding-left: 56px;
    color: #ffffff !important;
  }
  
  .submenu li:last-child a {
    border-bottom: none;
  }
  
  /* Mobile backdrop overlay */
  .main-nav::before {
    content: '';
    position: fixed;
    top: 0;
    left: -100%;
    width: 100vw;
    height: 100vh;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(5px);
    z-index: -1;
    transition: left 0.4s ease;
  }
  
  .main-nav.open::before {
    left: 0;
  }
  
  .hero-grid { grid-template-columns: 1fr; }
  .hero-card img { height: 240px; }
  .site-title { font-size: 22px; }
  .quote-text { font-size: 24px; }
  
  /* Logo responsive */
  .badge-crest { width: 40px; height: 40px; }
  .badge-lines .line-title { font-size: 16px; letter-spacing: 2px; }
  .badge-lines { padding: 6px 10px; }
  .logo-badge { padding-left: 6px; gap: 4px; }
  
  /* Image sections responsive */
  .image-section { 
    height: 60vh; 
    min-height: 400px;
    margin: 0;
  }
  .image-container { padding: 0 16px; }
  .image-section-1 {
    background-size: cover;
  }
  .image-caption { padding: 30px 20px; }
  .image-caption h2 { font-size: 24px; }
  .image-caption p { font-size: 16px; }
  
  /* Separator responsive */
  .section-separator {
    height: 6px;
  }
  
  /* Canonization mobile responsive */
  .canonization-section { padding: 40px 0; }
  .canonization-title { font-size: 28px; }
  .canonization-content { gap: 30px; }
  .canonization-img { height: 300px; }
  .content-text { font-size: 15px; }
  .pope-quote { font-size: 16px; padding: 16px; }
  .date { font-size: 16px; }
  .location { font-size: 14px; margin-left: 0; }
}