/* ==========================================================================
   Design System & Variable Definitions
   ========================================================================== */
:root {
  /* Color Palette */
  --color-primary: #4F6D54;       /* Sage Green */
  --color-primary-dark: #2D4031;  /* Forest Green */
  --color-primary-light: #738A75; /* Soft Sage */
  --color-accent: #D07A65;        /* Terracotta / Apricot */
  --color-accent-light: #E8A382;  /* Soft Terracotta */
  
  --color-bg-base: #F7F5F0;       /* Warm Greージュ */
  --color-bg-panel: #FFF;
  --color-bg-dark: #EBE8E0;       /* Ecru White */
  
  --color-text-main: #333333;
  --color-text-muted: #666666;
  --color-text-light: #FFFFFF;
  
  --color-border: #D3C9BE;
  --color-error: #D93025;
  --color-error-bg: #FCE8E6;
  --color-success: #188038;
  --color-success-bg: #E6F4EA;

  /* Typography */
  --font-serif: 'Noto Serif JP', 'Georgia', serif;
  --font-sans: 'Outfit', 'Noto Sans JP', sans-serif;
  --font-accent: 'Cormorant Garamond', serif;

  /* Layout Constants */
  --header-height: 80px;
  --border-radius: 12px;
  --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  --box-shadow-subtle: 0 4px 20px rgba(79, 109, 84, 0.08);
  --box-shadow-medium: 0 10px 30px rgba(79, 109, 84, 0.15);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  background-color: var(--color-bg-base);
  color: var(--color-text-main);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

/* アクセシビリティ：スキップリンク */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-primary-dark);
  color: var(--color-text-light);
  padding: 10px 20px;
  z-index: 9999;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Subtitle & Title Utilities */
.section-subtitle {
  display: block;
  font-family: var(--font-accent);
  font-size: 1.25rem;
  font-style: italic;
  font-weight: 300;
  color: var(--color-accent);
  margin-bottom: 8px;
  text-transform: capitalize;
  letter-spacing: 0.1em;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 500;
  color: var(--color-primary-dark);
  line-height: 1.4;
  margin-bottom: 24px;
}

.section-desc {
  color: var(--color-text-muted);
  max-width: 700px;
  margin: 0 auto 40px;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 30px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-text-light);
}

.btn-accent:hover {
  background-color: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(208, 122, 101, 0.3);
}

.btn-outline {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: transparent;
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-text-light);
}

.btn-large {
  padding: 16px 40px;
  font-size: 1.05rem;
  width: 100%;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(247, 245, 240, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(79, 109, 84, 0.1);
  z-index: 1000;
  transition: var(--transition-smooth);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.logo a {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-text .en {
  font-family: var(--font-accent);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  line-height: 1.2;
}

.logo-text .ja {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  letter-spacing: 0.1em;
  line-height: 1.2;
}

/* Nav Menu */
.nav-menu ul {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-menu a {
  text-decoration: none;
  color: var(--color-text-main);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-smooth);
}

.nav-menu a:hover {
  color: var(--color-primary);
}

.btn-primary-nav {
  padding: 8px 20px;
  font-size: 0.85rem;
  background-color: var(--color-primary);
  color: var(--color-text-light) !important;
  border-radius: 20px;
}

.btn-primary-nav:hover {
  background-color: var(--color-primary-dark);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1100;
}

.hamburger-bar {
  width: 100%;
  height: 2px;
  background-color: var(--color-primary-dark);
  transition: var(--transition-smooth);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 80px;
  background: radial-gradient(circle at 80% 20%, #F1EDE4 0%, var(--color-bg-base) 60%);
  overflow: hidden;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

.hero-sub {
  display: inline-block;
  font-family: var(--font-accent);
  font-size: 1.2rem;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 500;
  line-height: 1.3;
  color: var(--color-primary-dark);
  margin-bottom: 24px;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: 40px;
  max-width: 500px;
}

.hero-actions {
  display: flex;
  gap: 16px;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-svg {
  max-width: 450px;
  filter: drop-shadow(0 15px 35px rgba(79, 109, 84, 0.1));
}

/* ==========================================================================
   Dashboard (Live Status)
   ========================================================================== */
.dashboard {
  margin-top: -40px;
  position: relative;
  z-index: 10;
  padding-bottom: 60px;
}

.dashboard-panel {
  background-color: var(--color-bg-panel);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow-subtle);
  border: 1px solid rgba(79, 109, 84, 0.1);
  padding: 30px;
}

.dashboard-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--color-bg-dark);
  padding-bottom: 16px;
}

.status-badge {
  font-size: 0.75rem;
  font-weight: bold;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 0.1em;
}

.live-badge {
  background-color: #FCE8E6;
  color: #D93025;
  animation: pulse 2s infinite;
}

.dashboard-header h2 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--color-primary-dark);
  font-weight: 500;
}

#dashboard-date-display {
  font-family: var(--font-sans);
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-left: auto;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.time-slot {
  background-color: var(--color-bg-base);
  border-radius: 8px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: var(--transition-smooth);
}

.time-slot:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(79, 109, 84, 0.05);
}

.slot-time {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.slot-status {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
}

.status-ok {
  color: var(--color-success);
}

.status-warn {
  color: var(--color-accent);
}

.status-full {
  color: var(--color-text-muted);
}

.slot-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.dashboard-footer {
  margin-top: 20px;
  text-align: center;
}

.dashboard-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about {
  padding: 100px 0;
  background-color: var(--color-bg-dark);
}

.about-grid {
  display: grid;
  grid-template-columns: 4.5fr 5.5fr;
  align-items: center;
  gap: 80px;
}

.about-image {
  position: relative;
}

.about-svg {
  width: 100%;
  filter: drop-shadow(0 15px 35px rgba(140, 130, 117, 0.15));
}

.about-text h2 {
  font-size: 2.25rem;
}

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.about-text p:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   Features Section (4 Promises)
   ========================================================================== */
.features {
  padding: 100px 0;
  background-color: var(--color-bg-base);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.feature-card {
  background-color: var(--color-bg-panel);
  border-radius: var(--border-radius);
  padding: 40px 30px;
  text-align: center;
  border: 1px solid rgba(79, 109, 84, 0.05);
  box-shadow: var(--box-shadow-subtle);
  transition: var(--transition-smooth);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--box-shadow-medium);
  border-color: rgba(79, 109, 84, 0.15);
}

.feature-icon {
  margin-bottom: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background-color: var(--color-bg-base);
  border-radius: 50%;
  color: var(--color-primary);
  transition: var(--transition-smooth);
}

.feature-card:hover .feature-icon {
  background-color: var(--color-primary);
  color: var(--color-text-light);
}

.feature-card:hover .feature-icon svg {
  stroke: currentColor;
}

.feature-card h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--color-primary-dark);
  font-weight: 600;
  margin-bottom: 16px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   Catalog (Styles) Section
   ========================================================================== */
.catalog {
  padding: 100px 0;
  background-color: var(--color-bg-dark);
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.catalog-item {
  background-color: var(--color-bg-panel);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow-subtle);
  border: 1px solid rgba(79, 109, 84, 0.05);
  transition: var(--transition-smooth);
}

.catalog-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--box-shadow-medium);
}

.catalog-media {
  overflow: hidden;
  position: relative;
}

.style-svg {
  width: 100%;
  display: block;
  transition: var(--transition-smooth);
}

.catalog-item:hover .style-svg {
  transform: scale(1.05);
}

.catalog-info {
  padding: 24px;
}

.catalog-info h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--color-primary-dark);
  font-weight: 600;
  margin-bottom: 12px;
}

.style-meta {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.style-tag {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--color-primary);
  background-color: rgba(79, 109, 84, 0.08);
  padding: 4px 12px;
  border-radius: 12px;
  font-weight: 500;
}

/* ==========================================================================
   Menu & Price Section
   ========================================================================== */
.menu {
  padding: 100px 0;
  background-color: var(--color-bg-base);
}

.menu-grid {
  display: grid;
  grid-template-columns: 6fr 4fr;
  gap: 50px;
}

/* Accordions using <details> */
.accordion-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.menu-accordion {
  background-color: var(--color-bg-panel);
  border-radius: var(--border-radius);
  border: 1px solid rgba(79, 109, 84, 0.1);
  overflow: hidden;
  box-shadow: var(--box-shadow-subtle);
  transition: var(--transition-smooth);
}

.menu-accordion[open] {
  box-shadow: var(--box-shadow-medium);
  border-color: rgba(79, 109, 84, 0.2);
}

.accordion-trigger {
  padding: 20px 24px;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-primary-dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none; /* Hide default chevron */
  user-select: none;
}

/* Hide webkit default summary markers */
.accordion-trigger::-webkit-details-marker {
  display: none;
}

.chevron {
  transition: transform 0.3s ease;
  color: var(--color-primary);
}

.menu-accordion[open] .chevron {
  transform: rotate(180px) scaleY(-1); /* Smooth rotation */
}

.accordion-content {
  padding: 0 24px 24px 24px;
  border-top: 1px solid var(--color-bg-dark);
  animation: slideDown 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.price-item {
  padding: 20px 0;
  border-bottom: 1px dashed var(--color-border);
}

.price-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.price-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
  gap: 16px;
}

.price-header h4 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--color-text-main);
  font-weight: 600;
}

.price-header .price {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
}

.price-desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Simulator Panel */
.simulator-panel {
  background-color: var(--color-bg-panel);
  border-radius: var(--border-radius);
  border: 1px solid rgba(79, 109, 84, 0.1);
  padding: 30px;
  box-shadow: var(--box-shadow-subtle);
  align-self: start;
}

.simulator-panel h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--color-primary-dark);
  font-weight: 600;
  margin-bottom: 12px;
}

.simulator-intro {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.sim-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sim-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sim-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.sim-group select {
  padding: 12px;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  font-family: var(--font-sans);
  background-color: var(--color-bg-base);
  color: var(--color-text-main);
  outline: none;
  transition: var(--transition-smooth);
}

.sim-group select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 109, 84, 0.15);
}

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.checkbox-container {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.checkbox-container input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.checkbox-label {
  font-size: 0.88rem;
  font-weight: 400 !important;
  color: var(--color-text-main);
}

.sim-result {
  margin-top: 10px;
  background-color: var(--color-bg-base);
  border-radius: 8px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.result-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.discount-text {
  color: var(--color-accent);
  font-weight: 600;
}

.total-row {
  border-top: 1px dashed var(--color-border);
  padding-top: 12px;
  margin-top: 4px;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-primary-dark) !important;
}

.total-row #res-total {
  font-size: 1.35rem;
  color: var(--color-accent);
}

/* ==========================================================================
   Reviews & Instagram Feed
   ========================================================================== */
.reviews {
  padding: 100px 0;
  background-color: var(--color-bg-dark);
}

.reviews-slider {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 80px;
}

.review-card {
  background-color: var(--color-bg-panel);
  border-radius: var(--border-radius);
  padding: 30px;
  box-shadow: var(--box-shadow-subtle);
  border: 1px solid rgba(79, 109, 84, 0.05);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.review-stars {
  color: var(--color-accent);
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.review-text {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  position: relative;
}

.review-text::before {
  content: '“';
  font-family: var(--font-serif);
  font-size: 3rem;
  color: rgba(79, 109, 84, 0.1);
  position: absolute;
  top: -20px;
  left: -10px;
  line-height: 1;
}

.review-author {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-bg-base);
  padding-top: 16px;
}

.author-name {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.author-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Instagram Section */
.insta-section h3 {
  text-align: center;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-primary-dark);
  margin-bottom: 40px;
}

.insta-section .handle {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  color: var(--color-accent);
  display: block;
  margin-top: 4px;
}

.insta-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.insta-item {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow-subtle);
  background-color: var(--color-bg-panel);
  border: 1px solid rgba(79, 109, 84, 0.05);
}

.insta-placeholder {
  position: relative;
  width: 100%;
  padding-bottom: 100%;
}

.insta-svg-art {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.insta-item:hover .insta-svg-art {
  transform: scale(1.08) rotate(1deg);
}

/* ==========================================================================
   Access & Map Section
   ========================================================================== */
.access {
  padding: 100px 0;
  background-color: var(--color-bg-base);
}

.access-grid {
  display: grid;
  grid-template-columns: 5.5fr 6.5fr;
  align-items: center;
  gap: 60px;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 24px;
}

.info-table th, .info-table td {
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}

.info-table th {
  font-family: var(--font-serif);
  color: var(--color-primary-dark);
  font-weight: 600;
  width: 30%;
  vertical-align: top;
}

.info-table td {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.info-table td .note {
  display: block;
  font-size: 0.85rem;
  color: var(--color-accent);
  margin-top: 4px;
}

.access-map {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow-medium);
  border: 1px solid rgba(79, 109, 84, 0.1);
}

.map-svg {
  display: block;
  width: 100%;
}

/* Map Animations */
@keyframes ping {
  0% { transform: scale(1); opacity: 0.4; }
  100% { transform: scale(1.6); opacity: 0; }
}

.ping {
  transform-origin: 280px 152px;
  animation: ping 2.5s ease-out infinite;
}

/* ==========================================================================
   Booking (Reservation) Form
   ========================================================================== */
.booking {
  padding: 100px 0;
  background-color: var(--color-bg-dark);
}

.booking-wrapper {
  background-color: var(--color-bg-panel);
  border-radius: var(--border-radius);
  padding: 60px;
  box-shadow: var(--box-shadow-medium);
  border: 1px solid rgba(79, 109, 84, 0.1);
  max-width: 900px;
  margin: 0 auto;
}

.booking-header {
  text-align: center;
  margin-bottom: 40px;
}

.booking-header p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  max-width: 600px;
  margin: 0 auto;
}

/* Form Styles */
.booking-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.required-badge {
  color: var(--color-accent);
  margin-left: 2px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-base);
  color: var(--color-text-main);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  background-color: var(--color-bg-panel);
  box-shadow: 0 0 0 3px rgba(79, 109, 84, 0.15);
}

.form-consent {
  margin-top: 10px;
}

.form-consent .checkbox-container {
  display: flex;
  align-items: center;
}

/* ==========================================================================
   CSS Form Validation using :user-invalid and :has()
   ========================================================================== */
.error-msg {
  display: none;
  color: var(--color-error);
  font-size: 0.8rem;
  margin-top: 4px;
  font-weight: 500;
}

/*
  1. Style fields that are invalid AFTER user interaction (using :user-invalid)
  MANDATORY: shift border-color and display error helper block
*/
.form-group input:user-invalid,
.form-group select:user-invalid,
.form-group textarea:user-invalid {
  border-color: var(--color-error);
  background-color: var(--color-error-bg);
}

.form-group input:user-invalid + .error-msg,
.form-group select:user-invalid + .error-msg,
.form-group textarea:user-invalid + .error-msg {
  display: block;
}

/* Checkbox specific */
.form-consent input[type="checkbox"]:user-invalid + .checkbox-label {
  color: var(--color-error);
}

.form-consent input[type="checkbox"]:user-invalid ~ .error-msg {
  display: block;
}

/* Sync visual styling for valid required fields */
.form-group input:required:user-valid,
.form-group select:required:user-valid {
  border-color: var(--color-success);
}

/*
  2. :has() Parent Selector dynamic feedback
  If a child element is user-invalid, highlight the parent form-group border/bg slightly
*/
.form-group:has(:user-invalid) {
  border-color: rgba(217, 48, 37, 0.3);
}

.booking-form:has(:user-invalid) button[type="submit"] {
  opacity: 0.8;
  cursor: not-allowed;
}

/* Alert Boxes */
.alert-info-box {
  background-color: var(--color-error-bg);
  border-left: 4px solid var(--color-error);
  color: var(--color-error);
  padding: 16px;
  border-radius: 4px;
  font-size: 0.9rem;
  line-height: 1.6;
  text-align: left;
  margin-top: 20px;
}

.alert-success-box {
  background-color: var(--color-success-bg);
  border-left: 4px solid var(--color-success);
  color: var(--color-success);
  padding: 16px;
  border-radius: 4px;
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Fallback Classes for Legacy Browsers */
.user-invalid-fallback {
  border-color: var(--color-error) !important;
  background-color: var(--color-error-bg) !important;
}

.user-invalid-fallback + .error-msg {
  display: block !important;
}

/* ==========================================================================
   Assistant (Yoko) Dynamic Chat Box
   ========================================================================== */
.assistant-wrapper {
  display: flex;
  gap: 20px;
  background-color: var(--color-bg-base);
  border-radius: var(--border-radius);
  padding: 24px;
  border: 1px solid var(--color-border);
  margin-top: 10px;
  align-items: center;
}

.assistant-avatar {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
}

.assistant-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.assistant-title {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.assistant-text {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  transition: var(--transition-smooth);
}

/* ==========================================================================
   Modals
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(45, 64, 49, 0.6);
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  z-index: 2000;
  transition: opacity 0.4s ease;
}

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

.modal-box {
  background-color: var(--color-bg-panel);
  border-radius: var(--border-radius);
  max-width: 550px;
  width: 90%;
  padding: 40px;
  position: relative;
  box-shadow: var(--box-shadow-medium);
  transform: translateY(20px);
  transition: transform 0.4s ease;
}

.modal-overlay.active .modal-box {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 2rem;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  line-height: 1;
}

.modal-close:hover {
  color: var(--color-accent);
}

.modal-body {
  text-align: center;
}

.success-icon {
  margin-bottom: 24px;
}

.modal-body h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-primary-dark);
  margin-bottom: 16px;
}

.modal-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.modal-summary {
  background-color: var(--color-bg-base);
  border-radius: 8px;
  padding: 20px;
  text-align: left;
  margin-bottom: 30px;
}

.modal-summary h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 8px;
}

.modal-summary p {
  font-size: 0.88rem;
  margin-bottom: 6px;
  color: var(--color-text-main);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--color-primary-dark);
  color: var(--color-text-light);
  padding: 80px 0 40px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 5fr 3fr 4fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 500;
  margin-bottom: 16px;
}

.footer-logo svg {
  stroke: var(--color-text-light);
}

.footer-tag {
  font-family: var(--font-accent);
  font-size: 1.05rem;
  font-style: italic;
  color: var(--color-accent-light);
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 0.88rem;
  color: var(--color-bg-dark);
  line-height: 1.6;
}

.footer-links h3, .footer-contact h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 8px;
}

.footer-links h3::after, .footer-contact h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 1.5px;
  background-color: var(--color-accent);
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--color-bg-dark);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-smooth);
}

.footer-links a:hover {
  color: var(--color-text-light);
  padding-left: 4px;
}

.footer-contact p {
  font-size: 0.9rem;
  color: var(--color-bg-dark);
  margin-bottom: 12px;
}

.footer-contact .tel {
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--color-accent-light);
  font-family: var(--font-sans);
}

.footer-contact .note {
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--color-border);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--color-bg-dark);
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.5; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Responsive Styles
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 3rem;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .reviews-slider {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .footer-brand {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }

  .site-header {
    height: var(--header-height);
  }

  /* Mobile Nav */
  .menu-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--color-bg-base);
    padding: 40px;
    border-top: 1px solid rgba(79, 109, 84, 0.1);
    transform: translateX(100%);
    transition: transform 0.4s ease;
    overflow-y: auto;
  }

  .nav-menu.active {
    transform: translateX(0);
  }

  .nav-menu ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }

  .nav-menu a {
    font-size: 1.2rem;
  }

  .btn-primary-nav {
    padding: 12px 30px;
    font-size: 1.1rem;
    border-radius: 30px;
  }

  /* Hamburger transform */
  .menu-toggle.active .hamburger-bar:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }
  .menu-toggle.active .hamburger-bar:nth-child(2) {
    opacity: 0;
  }
  .menu-toggle.active .hamburger-bar:nth-child(3) {
    transform: translateY(-10px) rotate(-45deg);
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-content {
    order: 2;
  }

  .hero-visual {
    order: 1;
  }

  .hero-actions {
    justify-content: center;
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .menu-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .access-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .booking-wrapper {
    padding: 30px 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: span 1;
  }
}