@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400..700;1,400..700&family=Outfit:wght@100..900&display=swap');

:root {
  --font-sans: 'Outfit', sans-serif;
  --font-serif: 'Lora', serif;

  /* Transitions */
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-card: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease;

  /* Theme Defaults (Light Only) */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.8);
  --border-color: rgba(0, 0, 0, 0.08);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --accent-color: #ca8a04; /* Sunlit Gold */
  --accent-forest: #166534;
  --accent-forest-bg: rgba(22, 101, 52, 0.08);
  --glow-color: rgba(202, 138, 4, 0.05);
  --card-shadow: 0 15px 35px rgba(15, 23, 42, 0.06);
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(0, 0, 0, 0.05);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* AMBIENT GLOW EFFECTS */
.ambient-glow-1 {
  position: absolute;
  top: -10%;
  left: 20%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--glow-color) 0%, transparent 70%);
  filter: blur(80px);
  z-index: -1;
  pointer-events: none;
  transition: background 0.5s ease;
}

.ambient-glow-2 {
  position: absolute;
  top: 40%;
  right: -10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 116, 144, 0.08) 0%, transparent 70%);
  filter: blur(100px);
  z-index: -1;
  pointer-events: none;
}

/* CONTAINER */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem 5rem 1.5rem;
}

/* HEADER STYLE */
header {
  text-align: center;
  margin-bottom: 3.5rem;
  position: relative;
}

.top-bar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  margin-bottom: 2rem;
}

/* THEME TOGGLE BUTTON */
.theme-toggle-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  padding: 0.6rem 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(8px);
  transition: var(--transition-smooth);
}

.theme-toggle-btn:hover {
  transform: translateY(-2px);
  border-color: var(--accent-color);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
}

.theme-toggle-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* BRANDING */
.logo {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 1rem;
}

.logo-tagline {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--accent-color);
  margin-bottom: 0.25rem;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
}

.subtitle {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
  font-weight: 400;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto 2.5rem auto;
  line-height: 1.5;
}



/* GALLERY GRID */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.75rem; /* Tight spacing like Environment America */
  perspective: 1500px; /* Essential for 3D flip card */
}

/* CARD CONTAINER (3D PERSPECTIVE WRAPPER) */
.card-container {
  width: 100%;
  aspect-ratio: 1 / 1; /* Square photos */
  position: relative;
  perspective: 1500px;
  transition: opacity 0.5s ease, transform 0.5s ease;
}



/* CARD INNER (FLIP LOGIC) */
.card {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: var(--transition-card);
  border-radius: 12px;
  outline: none;
}

/* Focus styling for keyboard accessibility */
.card-container:focus-within {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
  border-radius: 12px;
}

.card.flipped {
  transform: rotateY(180deg);
}

/* FRONT & BACK SIDE SHARED */
.card-front, .card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-color);
}

/* CARD FRONT DESIGN */
.card-front {
  background: var(--bg-secondary);
}

.card-image-wrapper {
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: relative;
}

.card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.card-container:hover .card-image {
  transform: scale(1.06);
}

/* Overlay gradient on image */
.card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 75%;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.45) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem;
  color: #ffffff;
  transition: height 0.4s ease;
}



.card-location {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-color);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card-location svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: #ffffff;
  margin-bottom: 0.35rem;
}

.card-hint {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
  opacity: 0.8;
}

.card-hint svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
  transition: transform 0.3s ease;
}

.card-container:hover .card-hint svg {
  transform: translateX(4px);
}

/* CARD BACK DESIGN */
.card-back {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transform: rotateY(180deg); /* Crucial to keep back text oriented correctly */
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-back-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
  margin-bottom: 0.5rem;
}



.card-back-title {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.card-back-desc {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  line-height: 1.45;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  flex-grow: 1;
  overflow-y: auto; /* Graceful scroll if text overflows */
  padding-right: 0.25rem;
}

/* Fact Sheet style */
.card-facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.35rem 0.75rem;
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid var(--border-color);
  padding: 0.6rem;
  border-radius: 10px;
  margin-bottom: 0.75rem;
}

.fact-item {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.fact-label {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  font-weight: 600;
}

.fact-value {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* Flip Back CTA Button */
.flip-back-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 50px;
  padding: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: var(--transition-smooth);
}

.flip-back-btn:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
}

.flip-back-btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
  transform: rotate(180deg);
  transition: transform 0.4s ease;
}

.flip-back-btn:hover svg {
  transform: rotate(0deg);
}

/* FOOTER */
footer {
  text-align: center;
  padding: 4rem 0 2rem 0;
  margin-top: 5rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-logo {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

/* CUSTOM SCROLLBAR FOR OVERFLOW TEXT IN CARD BACK */
.card-back-desc::-webkit-scrollbar {
  width: 4px;
}

.card-back-desc::-webkit-scrollbar-track {
  background: transparent;
}

.card-back-desc::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.1);
  border-radius: 2px;
}

/* HOVER CARD FLIP (Environment America Style) */
@media (hover: hover) and (pointer: fine) {
  .card-container:hover .card {
    transform: rotateY(180deg);
  }
}

/* LIGHTBOX MODAL POP-UP STYLES */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: var(--bg-secondary);
  border-radius: 20px;
  max-width: 1050px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  position: relative;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-color);
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-overlay.active .modal-container {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  color: #ffffff;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: var(--transition-smooth);
}

.modal-close-btn:hover {
  background: var(--text-primary);
  transform: scale(1.1);
}

.modal-content {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  max-height: 90vh;
}

.modal-image-wrapper {
  background: #0f172a;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  height: 100%;
  min-height: 400px;
}

.modal-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.modal-details {
  padding: 2.5rem 2rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow-y: auto;
  background: var(--bg-secondary);
}

.modal-location {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-color);
  margin-bottom: 0.5rem;
}

.modal-location svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.modal-title {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.modal-submitter {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.25rem;
}

.modal-story {
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.modal-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.modal-nav-btn {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 50px;
  padding: 0.5rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition-smooth);
}

.modal-nav-btn:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
}

.modal-nav-btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.modal-counter {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* RESPONSIVE BREAKPOINTS */
@media (max-width: 768px) {
  .container {
    padding: 1.5rem 1rem 3rem 1rem;
  }
  
  header {
    margin-bottom: 2.5rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 0.5rem;
  }
  
  .card-overlay {
    padding: 0.85rem;
  }
  
  .card-back {
    padding: 0.85rem;
  }

  .modal-content {
    grid-template-columns: 1fr;
    overflow-y: auto;
  }

  .modal-image-wrapper {
    max-height: 450px;
    min-height: 200px;
  }

  .modal-details {
    padding: 1.5rem;
  }
}