/* ==========================================================================
   BAR こうりん - Premium Linear Dark Aesthetic CSS Design
   ========================================================================== */

/* Import Premium Fonts */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;700&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

/* Design Tokens & Variables */
:root {
  --bg-primary: #050508;
  --bg-secondary: #0d0d12;
  --bg-tertiary: #13131a;
  --border-color: #22222d;
  --border-color-muted: #171720;
  
  --text-primary: #f8f9fa;
  --text-secondary: #9ea4b3;
  --text-muted: #5d6375;
  
  --accent-green: #00ff66;
  --accent-green-hover: #33ff85;
  --accent-pink: #ff2a7a;
  --accent-pink-hover: #ff5595;
  
  --accent-gold: var(--accent-pink);
  --accent-gold-hover: var(--accent-pink-hover);
  --accent-neon: var(--accent-green);
  --overlay-bg: rgba(5, 5, 8, 0.96);
  
  --font-sans: 'Montserrat', 'Noto Sans JP', sans-serif;
  --transition-speed: 0.4s;
  --grid-line-width: 1px;
}

/* Reset Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0 !important; /* STRICT REQUIREMENT: LINEAR ONLY. NO ROUNDED CORNERS. */
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 85px; /* clear header height on desktop */
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  line-height: 1.7;
}

/* Typography Utilities */
h1, h2, h3, h4 {
  font-weight: 700;
  letter-spacing: 0.15em;
  line-height: 1.3;
  color: var(--text-primary);
}

p {
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

a {
  color: inherit;
  text-decoration: none;
  transition: all var(--transition-speed) cubic-bezier(0.25, 1, 0.5, 1);
}

/* Display Utilities */
.mobile-only {
  display: none !important;
}

/* Linear Layout Elements */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Grid helper lines to mimic high-end architectural blueprint */
.grid-layout {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 0;
  border-left: var(--grid-line-width) solid var(--border-color);
  border-right: var(--grid-line-width) solid var(--border-color);
}

.grid-cell {
  border-bottom: var(--grid-line-width) solid var(--border-color);
  padding: 40px;
}

/* --- Header & Navigation --- */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(8, 8, 10, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: var(--grid-line-width) solid var(--border-color);
  z-index: 1000;
  transition: background-color var(--transition-speed) ease;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  border-left: var(--grid-line-width) solid var(--border-color);
  border-right: var(--grid-line-width) solid var(--border-color);
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  height: 50px;
  width: auto;
  object-fit: contain;
  border: 1px solid var(--border-color);
}

.logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 32px;
  height: 100%;
  align-items: center;
}

nav ul li a {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 10px 0;
  position: relative;
}

nav ul li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--accent-gold);
  transition: width 0.3s ease;
}

nav ul li a:hover {
  color: var(--text-primary);
}

nav ul li a:hover::after {
  width: 100%;
}

.nav-cta {
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
  padding: 8px 18px;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  font-weight: 500;
  transition: all var(--transition-speed);
}

.nav-cta:hover {
  background-color: var(--accent-gold);
  color: var(--bg-primary);
}

/* Mobile Sub Navigation (Table of Contents) - Hidden on Desktop */
.mobile-sub-nav {
  display: none;
}

/* Hamburger Menu (Mobile) & Actions Group */
.mobile-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-call-btn {
  display: none; /* hidden on desktop */
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
  background: transparent;
  transition: all var(--transition-speed);
}

.mobile-call-btn:hover {
  background-color: var(--accent-gold);
  color: var(--bg-primary);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background-color: var(--text-primary);
  margin: 5px 0;
  transition: 0.3s;
}

/* --- Hero Section --- */
.hero {
  height: 100vh;
  height: 100dvh;
  min-height: 650px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding-top: 80px;
  overflow: hidden;
  border-bottom: var(--grid-line-width) solid var(--border-color);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 50%, rgba(5, 5, 8, 0.1) 0%, rgba(5, 5, 8, 0.5) 100%);
  z-index: 1;
}

/* Hero Background Slider */
.hero-slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.9); /* Full color and high brightness for maximum visibility */
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 40px;
}

.hero-tagline {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--accent-gold);
  margin-bottom: 24px;
  display: block;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
}

.hero-title {
  font-size: clamp(1.4rem, 3.8vw, 2.8rem);
  margin-bottom: 24px;
  line-height: 1.3;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto 40px;
  line-height: 1.8;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.btn-primary {
  background-color: var(--accent-gold);
  color: var(--bg-primary);
  border: 1px solid var(--accent-gold);
  padding: 16px 36px;
  font-weight: 500;
  letter-spacing: 0.15em;
  transition: all var(--transition-speed);
}

.btn-primary:hover {
  background-color: transparent;
  color: var(--accent-gold);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 16px 36px;
  font-weight: 500;
  letter-spacing: 0.15em;
  transition: all var(--transition-speed);
}

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



/* --- General Section Layout --- */
.section {
  padding: 100px 0;
  position: relative;
  border-bottom: var(--grid-line-width) solid var(--border-color);
}

.section-title-wrapper {
  margin-bottom: 60px;
  text-align: left;
}

.section-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9rem;
  color: var(--accent-gold);
  display: block;
  margin-bottom: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
}

.section-title {
  font-size: clamp(1.4rem, 4vw, 2.2rem);
  text-transform: uppercase;
}

/* --- About / Sound Feature Section --- */
.sound-concept-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.5fr;
  border: var(--grid-line-width) solid var(--border-color);
}

.sound-text-pane {
  padding: 60px;
  border-right: var(--grid-line-width) solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.sound-text-pane h3 {
  font-size: 1.6rem;
  margin-bottom: 24px;
  color: var(--text-primary);
  line-height: 1.4;
}

.sound-text-pane p {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 24px;
}

.acoustic-badge {
  display: inline-block;
  align-self: flex-start;
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding: 6px 14px;
  margin-bottom: 24px;
}

.sound-image-pane {
  background-color: var(--bg-secondary);
  position: relative;
  min-height: 280px;
  overflow: hidden;
}

.sound-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.5);
  transition: transform var(--transition-speed) ease;
}

.sound-image-pane:hover .sound-img {
  transform: scale(1.03);
  filter: grayscale(0.2);
}


/* --- The Toilet Curiosity Section --- */
.toilet-teaser-container {
  display: grid;
  grid-template-columns: 1.5fr 0.5fr;
  margin-top: 60px;
  border: var(--grid-line-width) solid var(--border-color);
  background-color: var(--bg-secondary);
}

.toilet-text-pane {
  padding: 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.toilet-heading {
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  margin-bottom: 20px;
}

.toilet-desc {
  margin-bottom: 30px;
}

.toilet-image-wrapper {
  position: relative;
  overflow: hidden;
  height: 100%;
  min-height: 280px;
  border-left: var(--grid-line-width) solid var(--border-color);
}

/* Toilet Image Blur - Sparks Curiosity */
.toilet-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(20px) brightness(0.6); /* Curiosity Blur */
  transition: filter 0.8s cubic-bezier(0.25, 1, 0.5, 1);
  transform: scale(1.1); /* Prevent blurred edges showing */
}

.toilet-image-wrapper:hover .toilet-img {
  filter: blur(12px) brightness(0.7); /* Slightly reveal on hover */
}

/* Toggle Peek Effect Style */
.toilet-image-wrapper.peeked .toilet-img {
  filter: blur(4px) brightness(0.9); /* Peek state */
}

.blur-overlay-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  text-align: center;
  width: 80%;
  pointer-events: none;
}

.blur-label {
  display: inline-block;
  background-color: var(--bg-primary);
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
  padding: 10px 20px;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  font-weight: 500;
  text-transform: uppercase;
}

.blur-sub {
  color: var(--text-primary);
  font-size: 0.8rem;
  margin-top: 10px;
  letter-spacing: 0.05em;
  text-shadow: 0 2px 4px rgba(0,0,0,0.8);
}


/* --- Menu & System Section --- */
.system-highlight {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  border: var(--grid-line-width) solid var(--border-color);
  margin-bottom: 60px;
}

.system-details {
  padding: 60px;
  background-color: var(--bg-secondary);
  border-right: var(--grid-line-width) solid var(--border-color);
}

.system-price-box {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 30px;
  margin-bottom: 30px;
}

.system-main-price {
  font-size: 1.8rem;
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: 12px;
}

.system-main-price span {
  font-size: 2.8rem;
  color: var(--accent-green);
  font-family: 'Montserrat', sans-serif;
  margin: 0 4px;
}

.system-sub-price {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.system-sub-price span {
  font-size: 1.5rem;
  color: var(--text-primary);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
}

.drink-list-wrapper h4 {
  font-size: 1rem;
  margin-bottom: 20px;
  color: var(--accent-gold);
  text-transform: uppercase;
}

.drink-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.drink-item {
  font-size: 0.95rem;
  color: var(--text-secondary);
  border-left: 2px solid var(--border-color);
  padding-left: 12px;
}

.system-notes {
  margin-top: 30px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.system-special-menu {
  padding: 60px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background-color: var(--bg-tertiary);
}

.special-food-header {
  margin-bottom: 24px;
}

.special-tag {
  color: var(--accent-neon);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 8px;
}

.special-food-header h4 {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.special-food-desc {
  font-size: 0.85rem;
  margin-bottom: 24px;
}

.special-image-container {
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.special-food-img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-speed) ease;
}

.special-image-container:hover .special-food-img {
  transform: scale(1.05);
}

/* Snack menu trigger */
.snack-trigger-wrapper {
  text-align: center;
  padding: 40px;
  border: var(--grid-line-width) solid var(--border-color);
  background-color: var(--bg-secondary);
}

.snack-trigger-text {
  font-size: 1.1rem;
  letter-spacing: 0.1em;
}

.snack-link {
  color: var(--accent-green);
  font-weight: 700;
  border-bottom: 1px solid var(--accent-green);
  padding-bottom: 4px;
  cursor: pointer;
  transition: all var(--transition-speed);
}

.snack-link:hover {
  color: var(--accent-green-hover);
  border-color: var(--accent-green-hover);
  letter-spacing: 0.12em;
}


/* --- Snack Menu Full Overlay (Slide Up Drawer) --- */
.snack-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--overlay-bg);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  z-index: 2000;
  display: flex;
  justify-content: flex-end;
  visibility: hidden;
  opacity: 0;
  transition: visibility var(--transition-speed), opacity var(--transition-speed);
}

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

.snack-panel {
  width: 100%;
  max-width: 600px;
  height: 100%;
  background-color: var(--bg-primary);
  border-left: var(--grid-line-width) solid var(--border-color);
  padding: 60px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: translateX(100%);
  transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
  overflow-y: auto;
}

.snack-overlay.active .snack-panel {
  transform: translateX(0);
}

.snack-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: var(--grid-line-width) solid var(--border-color);
  padding-bottom: 24px;
  margin-bottom: 40px;
}

.snack-panel-title {
  font-size: 1.6rem;
}

.snack-close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.8rem;
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  transition: all var(--transition-speed);
}

.snack-close-btn:hover {
  color: var(--text-primary);
  border-color: var(--text-primary);
  background-color: var(--bg-secondary);
}

.snack-list-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 40px;
  margin-bottom: 40px;
}

.snack-item-card {
  display: block;
  border-bottom: 1px solid var(--border-color-muted);
  padding-bottom: 12px;
}

.snack-item-name {
  font-size: 1rem;
  color: var(--text-primary);
  letter-spacing: 0.05em;
}

.snack-panel-footer {
  border-top: var(--grid-line-width) solid var(--border-color);
  padding-top: 24px;
  font-size: 0.8rem;
  color: var(--text-muted);
}


/* --- Image Gallery Section --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.gallery-card {
  border: var(--grid-line-width) solid var(--border-color);
  background-color: var(--bg-secondary);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}

.gallery-img-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background-color: var(--bg-primary);
}

.gallery-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  z-index: 1;
  background-color: var(--bg-primary);
}

.gallery-slide.active {
  opacity: 1;
  z-index: 2;
}

.gallery-slide-img {
  width: 100%;
  height: 100%;
  object-fit: contain; /* Enforces "entire photo is visible" (写真全体がうつるように) */
  display: block;
  transform-origin: center center;
}

/* Counter Area Slider - Diagonal Wipe "一癖あるスライド" */
.gallery-slide.counter-slide {
  transition: opacity 0.8s ease-in-out, clip-path 0.8s cubic-bezier(0.76, 0, 0.24, 1);
  clip-path: polygon(120% 0, 120% 0, 100% 100%, 100% 100%);
}

.gallery-slide.counter-slide.active {
  clip-path: polygon(0 0, 120% 0, 100% 100%, 0 100%);
}

/* Table Seats Slider - Slow Zoom-in (Ken Burns) & Fade */
.gallery-slide.table-slide {
  transition: opacity 1s ease-in-out;
}

.gallery-slide.table-slide.active .gallery-slide-img {
  animation: tableZoom 4.5s linear forwards;
}

@keyframes tableZoom {
  0% {
    transform: scale(1.0);
  }
  100% {
    transform: scale(1.15); /* Slowly grows larger */
  }
}

.gallery-info {
  padding: 24px;
  border-top: var(--grid-line-width) solid var(--border-color);
}

.gallery-info h4 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.gallery-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
}


/* --- Shop Info & Google Map Section --- */
.info-map-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: var(--grid-line-width) solid var(--border-color);
}

.info-pane {
  padding: 60px;
  background-color: var(--bg-secondary);
  border-right: var(--grid-line-width) solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 40px;
}

.info-table tr {
  border-bottom: 1px solid var(--border-color);
}

.info-table tr:last-child {
  border-bottom: none;
}

.info-table th {
  text-align: left;
  padding: 20px 0;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent-gold);
  width: 30%;
  vertical-align: top;
}

.info-table td {
  padding: 20px 0 20px 10px;
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 300;
  letter-spacing: 0.05em;
}

.info-social-block {
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
}

.btn-instagram {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--text-primary);
  color: var(--text-primary);
  padding: 14px 28px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: all var(--transition-speed);
}

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

.map-pane {
  position: relative;
  min-height: 450px;
}

.map-pane iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  filter: grayscale(1) invert(0.9) contrast(1.2); /* matches premium dark map styling */
  transition: filter var(--transition-speed) ease;
}

.map-pane:hover iframe {
  filter: grayscale(0.5) invert(0.9) contrast(1.1);
}


/* --- Footer Section --- */
footer {
  background-color: var(--bg-primary);
  border-top: var(--grid-line-width) solid var(--border-color);
  padding: 60px 0;
  text-align: center;
}

.footer-logo {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}


/* ==========================================================================
   Responsive Design & Media Queries
   ========================================================================== */

@media (max-width: 1024px) {
  .logo-text {
    display: none !important;
  }
  
  .sound-concept-grid,
  .toilet-teaser-container,
  .system-highlight,
  .info-map-grid {
    grid-template-columns: 1fr;
  }
  
  .sound-text-pane,
  .toilet-text-pane,
  .system-details,
  .system-special-menu,
  .info-pane {
    padding: 40px;
  }
  
  .sound-text-pane {
    border-right: none;
    border-bottom: var(--grid-line-width) solid var(--border-color);
  }
  
  .sound-image-pane,
  .toilet-image-wrapper {
    min-height: 240px;
  }
  
  .toilet-image-wrapper {
    border-left: none;
    border-top: var(--grid-line-width) solid var(--border-color);
  }
  
  .system-details {
    border-right: none;
    border-bottom: var(--grid-line-width) solid var(--border-color);
  }
  
  .info-pane {
    border-right: none;
    border-bottom: var(--grid-line-width) solid var(--border-color);
  }
  
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .desktop-only {
    display: none !important;
  }
  
  .hero {
    min-height: 520px;
    height: 100vh;
    height: 100dvh;
  }
  
  .mobile-only {
    display: block !important;
  }
  
  html {
    font-size: 15px;
    scroll-padding-top: 80px; /* clear mobile header height */
  }
  
  .section {
    padding: 60px 0;
  }
  
  .nav-container {
    width: 100%;
    max-width: 100%;
    padding: 0 24px;
    border-left: none;
    border-right: none;
  }
  
  .logo-link {
    padding-left: 0;
  }
  
  /* Clean button layout for Hamburger */
  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
  }
  
  .menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    margin: 5px 0;
    transition: 0.3s;
  }
  
  /* Dropdown Menu (Slides Down from top header, height fits links) */
  nav {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    width: 100%;
    height: auto; /* fits content */
    background-color: rgba(5, 5, 8, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: var(--grid-line-width) solid var(--border-color);
    border-bottom: var(--grid-line-width) solid var(--border-color);
    transform: translateY(-120%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
    pointer-events: none;
  }
  
  nav.active {
    transform: translateY(0);
    pointer-events: auto;
  }
  
  nav ul {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 32px;
    gap: 0;
    height: auto;
  }
  
  nav ul li {
    width: 100%;
    text-align: left;
    border-bottom: 1px solid var(--border-color-muted);
  }
  
  nav ul li:last-child {
    border-bottom: none;
  }
  
  nav ul li a {
    display: block;
    font-size: 1.05rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    padding: 18px 0;
    color: var(--text-secondary);
    transition: color var(--transition-speed);
  }
  
  nav ul li a:hover {
    color: var(--text-primary);
  }
  
  nav ul li a::after {
    display: none; /* remove hover line decoration under links on mobile */
  }
  
  nav ul li a.nav-cta {
    border: none;
    padding: 18px 0;
    color: var(--accent-gold);
  }
  
  nav ul li a.nav-cta:hover {
    background: none;
    color: var(--accent-gold-hover);
  }
  
  /* Hamburger Menu Toggle animation states */
  .menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  
  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .hero-subtitle {
    font-size: 0.95rem;
    margin-bottom: 30px;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: 12px;
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
  }
  
  .btn-primary, .btn-secondary {
    width: 100%;
    text-align: center;
    padding: 14px 20px;
  }
  
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  
  .snack-list-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .snack-panel {
    padding: 40px 24px;
  }
  
  .sound-image-pane,
  .toilet-image-wrapper {
    min-height: 200px;
  }
}

@media (max-width: 480px) {
  .sound-text-pane,
  .toilet-text-pane,
  .system-details,
  .system-special-menu,
  .info-pane {
    padding: 30px 20px;
  }
  
  .drink-grid {
    grid-template-columns: 1fr;
  }
  
  .info-table th {
    width: 35%;
  }
  
  .info-table th, .info-table td {
    padding: 14px 0;
    font-size: 0.85rem;
  }
}

/* ==========================================================================
   Opening Splash Screen - Pattern 2 (Linear Neon Drop)
   ========================================================================== */
#openingOverlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9999;
  background-color: #050508;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  pointer-events: all;
  transition: clip-path 1.2s cubic-bezier(0.85, 0, 0.15, 1);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}

/* Diagonal curtain wipe on reveal */
#openingOverlay.reveal {
  clip-path: polygon(0 0, 0 0, 0 100%, 0 100%); /* wipes leftwards */
}

/* Concentric Square Ripples (Expanding neon squares) */
.square-ripple {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.2);
  border: 2px solid transparent;
  opacity: 0;
  pointer-events: none;
}

.square-ripple.ripple-1 {
  width: 200px;
  height: 200px;
  border-color: var(--accent-pink);
  box-shadow: 0 0 20px var(--accent-pink);
  animation: squarePulse1 3.2s cubic-bezier(0.1, 0.8, 0.3, 1) infinite;
}

.square-ripple.ripple-2 {
  width: 200px;
  height: 200px;
  border-color: var(--accent-green);
  box-shadow: 0 0 20px var(--accent-green);
  animation: squarePulse2 3.2s cubic-bezier(0.1, 0.8, 0.3, 1) 1s infinite;
}

.square-ripple.ripple-3 {
  width: 200px;
  height: 200px;
  border-color: var(--accent-pink);
  box-shadow: 0 0 20px var(--accent-pink);
  animation: squarePulse3 3.2s cubic-bezier(0.1, 0.8, 0.3, 1) 2s infinite;
}

@keyframes squarePulse1 {
  0% { transform: translate(-50%, -50%) scale(0.5); opacity: 0; }
  10% { opacity: 0.8; }
  100% { transform: translate(-50%, -50%) scale(4); opacity: 0; }
}

@keyframes squarePulse2 {
  0% { transform: translate(-50%, -50%) scale(0.5); opacity: 0; }
  10% { opacity: 0.8; }
  100% { transform: translate(-50%, -50%) scale(4); opacity: 0; }
}

@keyframes squarePulse3 {
  0% { transform: translate(-50%, -50%) scale(0.5); opacity: 0; }
  10% { opacity: 0.8; }
  100% { transform: translate(-50%, -50%) scale(4); opacity: 0; }
}

/* Main Content Box */
.opening-content-v2 {
  position: relative;
  z-index: 10;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  animation: contentScaleUp 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes contentScaleUp {
  0% { transform: scale(0.8); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

/* Fade out content during split */
#openingOverlay.reveal .opening-content-v2 {
  opacity: 0;
  transform: translateY(-30px);
  transition: all 0.6s ease-in;
}

/* Nested Square Logo Frame */
.logo-frame-outer {
  width: 140px;
  height: 140px;
  padding: 8px;
  border: 2px solid var(--accent-pink);
  box-shadow: 0 0 15px var(--accent-pink);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-primary);
  animation: pulsePink 2s ease-in-out infinite alternate;
}

.logo-frame-inner {
  width: 100%;
  height: 100%;
  padding: 6px;
  border: 1px solid var(--accent-green);
  box-shadow: 0 0 10px var(--accent-green);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-secondary);
  animation: pulseGreen 2s ease-in-out infinite alternate-reverse;
}

.opening-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

@keyframes pulsePink {
  0% { border-color: var(--accent-pink); box-shadow: 0 0 10px var(--accent-pink); }
  100% { border-color: var(--accent-pink-hover); box-shadow: 0 0 20px var(--accent-pink-hover); }
}

@keyframes pulseGreen {
  0% { border-color: var(--accent-green); box-shadow: 0 0 5px var(--accent-green); }
  100% { border-color: var(--accent-green-hover); box-shadow: 0 0 15px var(--accent-green-hover); }
}

/* Brand Title with Cinematic tracking expand */
.opening-brand-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  text-transform: uppercase;
  animation: trackingExpand 2.2s cubic-bezier(0.25, 1, 0.5, 1) 0.2s forwards;
  letter-spacing: -0.1em;
  opacity: 0;
}

.pink-neon-txt {
  color: var(--text-primary);
  text-shadow: 0 0 5px #fff, 0 0 15px var(--accent-pink), 0 0 30px var(--accent-pink);
}

.green-neon-txt {
  color: var(--text-primary);
  text-shadow: 0 0 5px #fff, 0 0 15px var(--accent-green), 0 0 30px var(--accent-green);
}

@keyframes trackingExpand {
  0% { letter-spacing: -0.1em; opacity: 0; }
  20% { opacity: 0.3; }
  100% { letter-spacing: 0.3em; opacity: 1; }
}

/* Linear Equalizer Soundwave */
.linear-equalizer {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 8px;
  height: 50px;
  margin-top: 10px;
}

.eq-column {
  width: 4px;
  height: 6px;
}

.eq-column.col-1 { background-color: var(--accent-pink); animation: bounceEQ 0.7s ease-in-out infinite alternate; animation-delay: 0.1s; }
.eq-column.col-2 { background-color: var(--accent-green); animation: bounceEQ 0.7s ease-in-out infinite alternate; animation-delay: 0.3s; }
.eq-column.col-3 { background-color: var(--accent-pink); animation: bounceEQ 0.7s ease-in-out infinite alternate; animation-delay: 0.2s; }
.eq-column.col-4 { background-color: var(--accent-green); animation: bounceEQ 0.7s ease-in-out infinite alternate; animation-delay: 0.5s; }
.eq-column.col-5 { background-color: var(--accent-pink); animation: bounceEQ 0.7s ease-in-out infinite alternate; animation-delay: 0.4s; }
.eq-column.col-6 { background-color: var(--accent-green); animation: bounceEQ 0.7s ease-in-out infinite alternate; animation-delay: 0.6s; }
.eq-column.col-7 { background-color: var(--accent-pink); animation: bounceEQ 0.7s ease-in-out infinite alternate; animation-delay: 0.3s; }
.eq-column.col-8 { background-color: var(--accent-green); animation: bounceEQ 0.7s ease-in-out infinite alternate; animation-delay: 0.1s; }

@keyframes bounceEQ {
  0% { height: 6px; }
  100% { height: 45px; }
}

/* Hero Staggered Reveal Animations */
.fade-in-trigger .hero-tagline,
.fade-in-trigger .hero-title,
.fade-in-trigger .hero-subtitle,
.fade-in-trigger .hero-buttons {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s cubic-bezier(0.25, 1, 0.5, 1), transform 1s cubic-bezier(0.25, 1, 0.5, 1);
}

body.reveal-site .fade-in-trigger .hero-tagline,
body.reveal-site .fade-in-trigger .hero-title,
body.reveal-site .fade-in-trigger .hero-subtitle,
body.reveal-site .fade-in-trigger .hero-buttons {
  opacity: 1;
  transform: translateY(0);
}

.anim-delay-1 { transition-delay: 0.1s !important; }
.anim-delay-2 { transition-delay: 0.3s !important; }
.anim-delay-3 { transition-delay: 0.5s !important; }
.anim-delay-4 { transition-delay: 0.7s !important; }