@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&display=swap');

:root {
  --bg-color: #f7f4ee;
  --text-main: #222523;
  --text-muted: #767a75;
  --accent-color: #2c4a3e;
  --accent-gold: #c89b53;
  --accent-rust: #b85a3a;
  --border-color: rgba(34, 37, 35, 0.12);
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, sans-serif;
  --transition-smooth: cubic-bezier(0.25, 1, 0.5, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-sans);
  overflow-x: hidden;
  transition: background-color 0.8s var(--transition-smooth), color 0.8s var(--transition-smooth);
  position: relative;
  min-height: 100vh;
}

/* Grain Overlay */
.grain-overlay {
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  animation: grain 8s steps(10) infinite;
}

@keyframes grain {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-5%, -5%); }
  30% { transform: translate(5%, -10%); }
  50% { transform: translate(-10%, 15%); }
  70% { transform: translate(10%, -5%); }
  90% { transform: translate(-5%, 10%); }
}

/* Floating Navigation Bar */
.nav-floating {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.6rem 1.2rem;
  border-radius: 40px;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  z-index: 1000;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
  transition: all 0.4s var(--transition-smooth);
}

.nav-brand {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: 0.1em;
  font-size: 0.9rem;
  cursor: pointer;
  user-select: none;
}

.nav-toggle {
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  cursor: pointer;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-menu {
  position: fixed;
  bottom: 5.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  opacity: 0;
  pointer-events: none;
  transition: all 0.4s var(--transition-smooth);
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
  min-width: 220px;
}

.nav-menu.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.nav-link {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  transition: color 0.3s;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-link span {
  font-size: 0.7rem;
  opacity: 0.5;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
  font-weight: 500;
}

.nav-link.disabled {
  opacity: 0.3;
  pointer-events: none;
}

/* Audio Control Trigger */
.audio-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-main);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.audio-wave {
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  height: 12px;
}

.audio-wave span {
  width: 2px;
  background: var(--text-main);
  height: 100%;
  animation: wave 1.2s ease-in-out infinite alternate;
  animation-play-state: paused;
}

.audio-wave.playing span {
  animation-play-state: running;
}

.audio-wave span:nth-child(2) { animation-delay: 0.2s; }
.audio-wave span:nth-child(3) { animation-delay: 0.4s; }

@keyframes wave {
  0% { height: 20%; }
  100% { height: 100%; }
}

/* Typography Helpers */
.serif-title {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.1;
}

.editorial-tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  display: block;
}

/* Page Transition Overlay */
.page-transition-curtain {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--text-main);
  z-index: 10000;
  transform: translateY(100%);
  pointer-events: none;
  transition: transform 0.6s var(--transition-smooth);
}

.page-transition-curtain.active {
  transform: translateY(0);
}

/* Easter Egg Notification Toast */
.egg-toast {
  position: fixed;
  top: 2rem;
  right: 2rem;
  background: var(--text-main);
  color: var(--bg-color);
  padding: 1rem 1.5rem;
  border-radius: 12px;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
  transform: translateY(-100px);
  opacity: 0;
  transition: all 0.5s var(--transition-smooth);
  z-index: 10001;
}

.egg-toast.show {
  transform: translateY(0);
  opacity: 1;
}

@media (max-width: 768px) {
  .nav-floating {
    width: 90%;
    justify-content: space-between;
  }
}
/* Scroll Reveal Animations */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--transition-smooth), transform 0.8s var(--transition-smooth);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}
/* Universal Editorial Next Button */
.next-section-bar {
  max-width: 1000px;
  margin: 5rem auto 0 auto;
  text-align: right;
  width: 100%;
}

.next-btn {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  padding: 1rem 2.2rem;
  border: 1px solid var(--border-color);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: all 0.4s var(--transition-smooth);
  cursor: pointer;
}

.next-btn:hover {
  background: var(--text-main);
  color: var(--bg-color);
  border-color: var(--text-main);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.next-btn span:last-child {
  transition: transform 0.3s ease;
}

.next-btn:hover span:last-child {
  transform: translateX(5px);
}