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

:root {
  --bg-dark: #0a0a1a;
  --bg-card: rgba(255, 255, 255, 0.06);
  --text-primary: #e8e0d8;
  --text-secondary: #a89f95;
  --accent: #c4956a;
  --accent-soft: rgba(196, 149, 106, 0.3);
  --gold: #d4a76a;
  --border: rgba(255, 255, 255, 0.08);
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.7;
}

/* ===== Dollar (sleeping dog overlay) ===== */
#dollar-overlay {
  position: fixed;
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  transition: opacity 1s ease-in;
}

#dollar-overlay img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.3));
  max-width: 108px; /* 9vw at 1200px */
  /* Breathing: expand top-right ~5px, other 3 corners stay fixed */
  transform-origin: bottom center;
  animation: dogBreathe 4s ease-in-out infinite;
}

@keyframes dogBreathe {
  0%, 100% { transform: scaleY(1); }
  50% { transform: scaleY(1.025); }
}

/* ===== Dynamic Background Canvas ===== */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  background: var(--bg-dark);
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.2rem 2rem;
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  background: linear-gradient(to bottom, rgba(10, 10, 26, 0.95), transparent);
  backdrop-filter: blur(8px);
  transition: background 0.4s;
}

.nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: color 0.3s, transform 0.3s;
  position: relative;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.3s;
}

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

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

/* Nav control buttons (zen + lang) */
.nav-controls {
  display: flex;
  gap: 0.8rem;
  position: absolute;
  right: 2rem;
}

.nav-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.75rem;
  letter-spacing: 1px;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  cursor: pointer;
  transition: color 0.3s, border-color 0.3s, background 0.3s;
  white-space: nowrap;
}

.nav-btn:hover {
  color: var(--gold);
  border-color: var(--accent-soft);
  background: rgba(255, 255, 255, 0.12);
}

/* ===== Zen Mode ===== */
.zen-mode .nav a[href],
.zen-mode .nav-controls,
.zen-mode #app,
.zen-mode .footer {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.8s ease;
}

.zen-mode .nav {
  background: transparent;
  backdrop-filter: none;
}

/* Keep only the exit button visible in zen mode */
.zen-mode .nav-controls {
  opacity: 1 !important;
  pointer-events: auto !important;
}

/* Hide the lang button in zen mode, only show zen/back button */
.zen-mode #lang-btn {
  display: none;
}

/* ===== Page Container ===== */
.page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

/* ===== Hero Section (Home) ===== */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
  padding: 4rem 2rem 2rem;
  position: relative;
}

.hero-photo {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent-soft);
  box-shadow: 0 0 60px rgba(196, 149, 106, 0.15);
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeInUp 1.2s ease forwards 0.3s;
}

.hero-photo-placeholder {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 3px solid var(--accent-soft);
  box-shadow: 0 0 60px rgba(196, 149, 106, 0.15);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  background: var(--bg-card);
  opacity: 0;
  animation: fadeInUp 1.2s ease forwards 0.3s;
}

.hero-tomb {
  width: 220px;
  margin-bottom: 2rem;
  overflow: hidden;
  position: relative;
  opacity: 0;
  animation: fadeInUp 1.2s ease forwards 0.3s;
  flex-shrink: 0;
}

.hero-tomb img {
  width: 220px;
  display: block;
  -webkit-mask-image: linear-gradient(to bottom, black 0%, black 80%, transparent 100%);
  mask-image: linear-gradient(to bottom, black 0%, black 80%, transparent 100%);
}

.hero-text-box {
  background: rgba(10, 10, 26, 0.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 16px;
  padding: 1.5rem 2.5rem;
  text-align: center;
  opacity: 0;
  animation: fadeInUp 1.2s ease forwards 0.6s;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.hero .dates {
  font-size: 1rem;
  color: var(--text-secondary);
  letter-spacing: 3px;
  margin-bottom: 1.5rem;
}

.hero .epitaph {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--accent);
  max-width: 500px;
}

/* ===== Countdown Bar ===== */
.countdown-bar {
  text-align: center;
  margin-bottom: 1.5rem;
  padding: 0.6rem 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 30px;
  backdrop-filter: blur(8px);
}

.countdown-pre {
  font-size: 0.75rem;
  color: var(--gold);
  letter-spacing: 2px;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.3rem;
}

.countdown-timer {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--gold);
  letter-spacing: 2px;
}

.countdown-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-right: 0.3rem;
}

/* ===== Tribute Card ===== */
.tribute-card {
  text-align: center;
  background: rgba(10, 10, 26, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem 2rem;
}

.tribute-text {
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto;
  line-height: 2;
  font-size: 0.95rem;
}

.gift-total {
  color: var(--gold);
  font-family: var(--font-serif);
  font-size: 1rem;
  margin-top: 2.5rem;
  margin-bottom: 0.3rem;
  text-align: center;
}

/* ===== Gift Buttons ===== */
.gift-bar {
  display: flex;
  gap: 0.8rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 0.8rem;
}

.gift-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  padding: 1rem 1.2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.2s, border-color 0.3s, background 0.3s;
  text-decoration: none;
  color: inherit;
  min-width: 85px;
}

.gift-btn:hover {
  transform: translateY(-3px);
  border-color: var(--accent-soft);
  background: rgba(255, 255, 255, 0.08);
}

.gift-bounce {
  animation: giftBounce 0.4s ease;
}

@keyframes giftBounce {
  0% { transform: scale(1); }
  30% { transform: scale(1.2); }
  60% { transform: scale(0.95); }
  100% { transform: scale(1); }
}

.gift-emoji {
  font-size: 1.8rem;
}

.gift-label {
  font-size: 0.65rem;
  color: var(--text-secondary);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.gift-count {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--gold);
}

.gift-btn-letter {
  border-color: var(--accent-soft);
}

.gift-btn-letter:hover {
  border-color: var(--accent);
}


.scroll-hint {
  position: absolute;
  bottom: 2rem;
  opacity: 0;
  animation: fadeInUp 1.2s ease forwards 1.8s;
}

.scroll-hint span {
  display: block;
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  margin: 0 auto;
  animation: pulse 2s ease-in-out infinite;
}

/* ===== Section Styles ===== */
.section {
  max-width: 800px;
  margin: 0 auto;
  padding: 6rem 2rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 400;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--gold);
  margin: 1rem auto 0;
}

/* ===== Bio Page ===== */
.bio-grid {
  display: grid;
  gap: 2rem;
}

.bio-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  backdrop-filter: blur(10px);
  transition: transform 0.3s, border-color 0.3s;
}

.bio-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-soft);
}

.bio-card h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--gold);
  margin-bottom: 1rem;
}

.bio-card p {
  color: var(--text-secondary);
  line-height: 1.8;
}

.bio-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.stat {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.stat-value {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: var(--gold);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 0.3rem;
}

/* ===== Photo Album ===== */
.album-grid {
  columns: 3;
  column-gap: 1rem;
  margin-top: 2rem;
}

.album-item {
  break-inside: avoid;
  margin-bottom: 1rem;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.album-item:hover {
  transform: translateY(-3px);
  border-color: var(--accent-soft);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.album-item img {
  width: 100%;
  display: block;
}

.album-empty {
  color: var(--text-secondary);
  text-align: center;
  padding: 4rem 1rem;
  font-size: 0.9rem;
}

@media (max-width: 800px) {
  .album-grid { columns: 2; }
}

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

/* ===== Letters Page ===== */
.letters-container {
  max-width: 700px;
  margin: 0 auto;
}

.letter {
  background: rgba(10, 10, 26, 0.55);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem;
  margin-bottom: 2rem;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  position: relative;
  transition: border-color 0.3s;
}

.letter:hover {
  border-color: var(--accent-soft);
}

.letter::before {
  content: '\201C';
  font-family: var(--font-serif);
  font-size: 4rem;
  color: var(--accent-soft);
  position: absolute;
  top: 0.5rem;
  left: 1.5rem;
  line-height: 1;
}

.letter-content {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 2;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  white-space: pre-line;
}

.letter-author {
  font-size: 0.85rem;
  color: var(--accent);
  text-align: right;
}

.letter-date {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-align: right;
  margin-top: 0.3rem;
}

/* Write a letter form */
.letter-form {
  background: rgba(10, 10, 26, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem;
  margin-top: 3rem;
}

.letter-form h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--gold);
  margin-bottom: 1.5rem;
  text-align: center;
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: border-color 0.3s;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
  font-family: var(--font-serif);
  line-height: 1.8;
}

.submit-btn {
  display: block;
  width: 100%;
  padding: 0.9rem;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  border: none;
  border-radius: 8px;
  color: var(--bg-dark);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  transition: opacity 0.3s, transform 0.3s;
}

.submit-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* ===== Lightbox ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: 8px;
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ===== Footer ===== */
.footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 3rem 2rem;
  color: var(--text-secondary);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
}

.footer .paw {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== About Page ===== */
.about-card {
  background: rgba(10, 10, 26, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 3rem 2.5rem;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.about-title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.about-desc {
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

.about-by {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--gold);
  margin-bottom: 1.5rem;
}

.about-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.about-link {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.3s, border-color 0.3s;
}

.about-link:hover {
  color: var(--gold);
  border-color: var(--accent-soft);
}

.about-link-icon {
  font-size: 1.1rem;
}

.about-tech {
  color: var(--text-secondary);
  font-size: 0.75rem;
  opacity: 0.6;
  margin-top: 1rem;
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
  /* Nav: wrap to two lines, controls on second row */
  .nav {
    flex-wrap: wrap;
    gap: 0.8rem 1.2rem;
    padding: 0.8rem 1rem;
    justify-content: center;
  }

  .nav a {
    font-size: 0.7rem;
    letter-spacing: 1px;
  }

  .nav-controls {
    position: static;
    width: 100%;
    justify-content: center;
    margin-left: 0;
  }

  .nav-btn {
    font-size: 0.65rem;
    padding: 0.25rem 0.6rem;
  }

  /* Hero: more top padding to clear two-line nav */
  .hero {
    padding-top: 6rem;
  }

  .section {
    padding: 4rem 1.2rem;
  }

  /* Tomb: proper sizing for mobile, remove fixed height */
  .hero-photo,
  .hero-photo-placeholder {
    width: 160px;
    height: 160px;
  }

  .hero-tomb {
    width: 180px;
  }

  .hero-tomb img {
    width: 180px;
    height: auto;
  }

  .letter {
    padding: 2rem 1.5rem;
  }

  .bio-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Smaller Dollar on mobile */
  #dollar-overlay {
    width: 15vw !important;
  }
}