/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
  /* Harmonious black & white light palette */
  --bg-primary: #ffffff;
  --bg-secondary: #fafafa;
  --bg-tertiary: #f2f2f2;
  --text-primary: #000000;
  --text-secondary: #5f5f5f;
  --text-tertiary: #999999;
  --border-subtle: #eaeaea;
  --border-medium: #111111;
  
  /* Typography */
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  /* Smooth hardware-accelerated curves */
  --ease-fluid: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-elastic: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-speed: 0.5s;
  
  /* Elevation */
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.02);
  --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.04);
  --shadow-card-hover: 0 20px 50px rgba(0, 0, 0, 0.08);
}

/* ==========================================================================
   RESET & FOUNDATIONS
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  overflow-y: overlay;
}

@supports not (overflow: overlay) {
  html {
    scrollbar-gutter: stable;
  }
}

body {
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* ==========================================================================
   LAYOUT & CONTAINER
   ========================================================================== */
.app-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   HEADER SECTION
   ========================================================================== */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  z-index: 10;
}

.logo-container {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: transform 0.3s var(--ease-fluid);
}

.logo-container:hover {
  transform: scale(1.02);
}

.site-logo {
  height: 50px;
  width: auto;
  object-fit: contain;
  display: block;
}

/* Tab Navigation Switcher */
.tab-navigation {
  position: relative;
  display: flex;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  padding: 4px;
  border-radius: 99px;
  overflow: hidden;
}

.tab-btn {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: none;
  border: none;
  padding: 0.6rem 1.6rem;
  cursor: pointer;
  outline: none;
  position: relative;
  z-index: 2;
  transition: color 0.3s var(--ease-fluid);
  border-radius: 99px;
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  color: var(--bg-primary);
}

/* Smooth sliding background indicator pill */
.nav-indicator {
  position: absolute;
  top: 4px;
  left: 4px;
  bottom: 4px;
  background-color: var(--text-primary);
  border-radius: 99px;
  z-index: 1;
  transition: transform var(--transition-speed) var(--ease-fluid),
              width var(--transition-speed) var(--ease-fluid);
}

/* ==========================================================================
   MAIN CONTENT AREA & DOUBLE PANE CONTAINER
   ========================================================================== */
.main-content {
  flex: 1;
  padding: 4rem 0;
  position: relative;
}

/* We overlay the two tab panels on top of each other using grid */
.tab-display-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 1fr;
  width: 100%;
}

.tab-panel {
  grid-area: 1 / 1 / 2 / 2;
  width: 100%;
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px) scale(0.98);
  transition: opacity var(--transition-speed) var(--ease-fluid),
              transform var(--transition-speed) var(--ease-fluid);
  will-change: transform, opacity;
}

/* High-performance active state transitions (60fps slide + fade) */
.tab-panel.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.tab-panel.exiting-left {
  opacity: 0;
  pointer-events: none;
  transform: translateY(0) translateX(-30px) scale(0.97);
}

.tab-panel.exiting-right {
  opacity: 0;
  pointer-events: none;
  transform: translateY(0) translateX(30px) scale(0.97);
}

.tab-panel.entering-left {
  opacity: 0;
  pointer-events: none;
  transform: translateY(0) translateX(-30px) scale(0.97);
}

.tab-panel.entering-right {
  opacity: 0;
  pointer-events: none;
  transform: translateY(0) translateX(30px) scale(0.97);
}

/* ==========================================================================
   GRID PORTFOLIO CARDS
   ========================================================================== */
/* The layout consists of a responsive modern grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2.5rem;
}

/* Each portfolio container card styling */
.portfolio-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  transition: transform var(--transition-speed) var(--ease-fluid),
              box-shadow var(--transition-speed) var(--ease-fluid),
              border-color var(--transition-speed) var(--ease-fluid);
  will-change: transform, box-shadow;
}

/* Image Wrapper aspect-ratio constraint */
.card-image-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background-color: var(--bg-secondary);
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

/* Portolio Image */
.portfolio-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(100%);
  transition: transform 0.6s var(--ease-fluid),
              filter 0.6s var(--ease-fluid);
  will-change: transform;
}

/* Single line of text beneath the image */
.card-details {
  padding: 1.25rem 1.5rem;
  background-color: var(--bg-primary);
  border-top: 1px solid transparent;
  transition: background-color var(--transition-speed) var(--ease-fluid);
}

.card-title {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--transition-speed) var(--ease-fluid),
              transform var(--transition-speed) var(--ease-fluid);
  display: block;
}

/* Fluid Hover Micro-Animations */
.portfolio-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--text-primary);
}

.portfolio-card:hover .portfolio-image {
  transform: scale(1.05);
  filter: grayscale(0%);
}

.portfolio-card:hover .card-title {
  color: var(--text-primary);
  transform: translateX(4px);
}

/* ==========================================================================
   FOOTER SECTION
   ========================================================================== */
.site-footer {
  margin-top: auto;
  padding: 3rem 0;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.footer-socials {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: color 0.3s var(--ease-fluid),
              transform 0.3s var(--ease-fluid);
  will-change: transform;
}

.social-link svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
  display: block;
}

.social-link:hover {
  color: var(--text-primary);
  transform: translateY(-3px) scale(1.1);
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  font-weight: 400;
  letter-spacing: 0.03em;
}

/* ==========================================================================
   RESPONSIVE SCALING
   ========================================================================== */
@media (max-width: 768px) {
  .site-header {
    flex-direction: column;
    gap: 1.5rem;
    padding: 2rem 0;
  }
  
  .portfolio-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.75rem;
  }
  
  .main-content {
    padding: 2rem 0;
  }
  
  .app-container {
    padding: 0 1.25rem;
  }
}

@media (max-width: 480px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   SCROLL REVEAL EFFECTS
   ========================================================================== */
.portfolio-card.reveal-init {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease-fluid),
              transform 0.8s var(--ease-fluid),
              box-shadow var(--transition-speed) var(--ease-fluid),
              border-color var(--transition-speed) var(--ease-fluid);
}

.portfolio-card.reveal-init.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Maintain hover translation above baseline */
.portfolio-card.reveal-init.revealed:hover {
  transform: translateY(-8px);
}

/* ==========================================================================
   DETAIL SLIDE-OVER DRAWER
   ========================================================================== */
.detail-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  visibility: hidden;
  transition: visibility var(--transition-speed);
}

.detail-drawer.active {
  pointer-events: auto;
  visibility: visible;
  transition: none;
}

.drawer-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity var(--transition-speed) var(--ease-fluid);
  pointer-events: none;
}

.detail-drawer.active .drawer-overlay {
  opacity: 1;
  pointer-events: auto;
}

.drawer-content {
  position: relative;
  width: 100%;
  max-width: 600px;
  height: 100%;
  background-color: var(--bg-primary);
  box-shadow: -20px 0 80px rgba(0, 0, 0, 0.08);
  border-left: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  z-index: 2;
  opacity: 0;
  transform: translateY(20px);
  transition: transform var(--transition-speed) var(--ease-fluid),
              opacity var(--transition-speed) var(--ease-fluid);
  will-change: transform, opacity;
  pointer-events: auto;
}

.detail-drawer.active .drawer-content {
  opacity: 1;
  transform: translateY(0);
}

.drawer-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 1.5rem;
  line-height: 32px;
  text-align: center;
  cursor: pointer;
  z-index: 10;
  transition: transform 0.3s var(--ease-fluid),
              background-color 0.3s var(--ease-fluid);
  display: flex;
  align-items: center;
  justify-content: center;
}

.drawer-close-btn:hover {
  transform: scale(1.08) rotate(90deg);
  background-color: var(--bg-tertiary);
}

.drawer-inner {
  padding: 4.5rem 2.5rem 2.5rem 2.5rem;
  overflow-y: overlay;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  scroll-behavior: smooth;
}

@supports not (overflow: overlay) {
  .drawer-inner {
    overflow-y: auto;
    scrollbar-gutter: stable;
  }
}

/* ==========================================================================
   DRAWER RICH CONTENT TYPOGRAPHY & LAYOUT
   ========================================================================== */
.drawer-inner h2 {
  font-size: 1.85rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.25;
}

.drawer-inner h3 {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-top: 1.5rem;
  margin-bottom: 0.25rem;
}

.drawer-inner h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 1.25rem;
  margin-bottom: 0.25rem;
}

.drawer-inner p {
  font-size: 0.975rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.drawer-meta {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.75rem;
  margin-bottom: 0.5rem;
}

/* Bible Verses blocks styled for Ground Software's light theme */
.bible-verse-block {
  background-color: #fbfaf8;
  border-left: 3px solid #b8a68b;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  border-radius: 4px;
}

.bible-verse-reference {
  font-size: 0.825rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  display: block;
}

.bible-verse-text {
  font-size: 0.95rem;
  line-height: 1.6;
  font-style: italic;
  color: var(--text-secondary);
}

.bible-verse-text strong {
  font-weight: 600;
  color: var(--text-primary);
}

/* Other content like Catechism quotes */
.other-content {
  background-color: var(--bg-secondary);
  border-left: 3px solid var(--text-primary);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  border-radius: 4px;
}

.catechism-title, .catechism-reference {
  font-size: 0.825rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  display: block;
}

.catechism-text {
  font-size: 0.95rem;
  line-height: 1.6;
  font-style: italic;
  color: var(--text-secondary);
}

/* Archived Projects / Theology dropdowns */
.drawer-select-wrapper {
  margin-bottom: 1rem;
}

.drawer-select {
  font-family: var(--font-sans);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  width: 100%;
  max-width: 400px;
  outline: none;
  cursor: pointer;
  transition: border-color 0.3s;
}

.drawer-select:focus {
  border-color: var(--text-primary);
}

/* ==========================================================================
   CAROUSEL SYSTEM
   ========================================================================== */
.carousel-container {
  width: 100%;
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
}

.carousel-viewport {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  scroll-behavior: smooth;
}

.carousel-viewport::-webkit-scrollbar {
  display: none;
}

.carousel-slide {
  flex: 0 0 100%;
  width: 100%;
  scroll-snap-align: start;
  position: relative;
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-slide img, .carousel-slide video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: opacity 0.3s, background-color 0.3s;
  z-index: 5;
}

.carousel-btn:hover {
  background-color: #ffffff;
}

.carousel-btn.prev {
  left: 1rem;
}

.carousel-btn.next {
  right: 1rem;
}

.carousel-dots {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 5;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: rgba(0, 0, 0, 0.25);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background-color 0.3s;
}

.carousel-dot.active {
  background-color: var(--text-primary);
}

.slide-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.55));
  color: #ffffff;
  padding: 1.5rem 1rem 0.5rem 1rem;
  font-size: 0.85rem;
  pointer-events: none;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.drawer-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--text-primary);
  color: var(--bg-primary);
  border: 1px solid var(--text-primary);
  padding: 0.8rem 1.8rem;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.9rem;
  text-decoration: none;
  transition: background-color 0.3s, color 0.3s, transform 0.2s;
  cursor: pointer;
  margin-top: 0.5rem;
  align-self: flex-start;
}

.drawer-btn:hover {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.drawer-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  padding: 0.8rem 1.8rem;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.9rem;
  text-decoration: none;
  transition: background-color 0.3s, transform 0.2s;
  cursor: pointer;
  margin-top: 0.5rem;
  align-self: flex-start;
}

.drawer-btn-secondary:hover {
  background-color: var(--bg-tertiary);
  transform: translateY(-2px);
}

/* ==========================================================================
   RESPONSIVE DESIGN FOR DRAWER
   ========================================================================== */
@media (max-width: 768px) {
  .detail-drawer {
    justify-content: flex-end;
    align-items: flex-end;
  }
  
  .drawer-content {
    max-width: 100%;
    height: 100%;
    border-left: none;
    border-radius: 0;
    opacity: 0;
    transform: translateY(20px);
    transition: transform var(--transition-speed) var(--ease-fluid),
                opacity var(--transition-speed) var(--ease-fluid);
  }

  .detail-drawer.active .drawer-content {
    opacity: 1;
    transform: translateY(0);
  }
  
  .drawer-inner {
    padding: 4.5rem 1.5rem 2.5rem 1.5rem;
  }
}