/* ==========================================================================
   Ristorante SOLE - エレガント・イタリアン・プレミアムデザインシステム
   ========================================================================== */

/* Custom Properties */
:root {
  /* Colors */
  --marble-white: #fafaf9;     /* 漆喰・大理石の白 (Base BG) */
  --sumi-black: #1c1917;       /* 墨黒 (Text / Dark BG) */
  --italian-red: #7f1d1d;      /* トスカーナ・レッド (Primary) */
  --italian-red-dark: #450a0a; /* ディープ・レッド (Hover) */
  --italian-red-light: #fef2f2;/* ライト・レッド */
  --sun-gold: #d97706;         /* 太陽のゴールド (Accent / Warning) */
  --sun-gold-light: #fef3c7;   /* ライト・ゴールド */
  --olive-green: #15803d;      /* オリーブ・グリーン (Valid / Natural) */
  --olive-green-light: #f0fdf4;
  
  --stone-100: #f5f5f4;
  --stone-200: #e7e5e4;
  --stone-300: #d6d3d1;
  --stone-500: #78716c;
  --stone-600: #57534e;
  
  /* Fonts */
  --font-serif: 'Noto Serif JP', serif;
  --font-round: 'Kiwi Maru', serif;
  --font-eng: 'Playfair Display', serif;
  
  /* Layout */
  --container-width: 1200px;
  --header-height: 80px;
  --transition-smooth: all 0.5s cubic-bezier(0.25, 1, 0.5, 1);
  --transition-fast: all 0.25s ease;
  
  --shadow-sm: 0 4px 12px rgba(28, 25, 23, 0.03);
  --shadow-md: 0 16px 32px rgba(28, 25, 23, 0.06);
  --shadow-lg: 0 24px 48px rgba(28, 25, 23, 0.1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--marble-white);
  color: var(--sumi-black);
  font-family: var(--font-serif);
  line-height: 1.9;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Typography & Titles */
h1, h2, h3, h4, .logo-main, .section-subtitle {
  font-family: var(--font-round);
  font-weight: 500;
}

.text-serif-italic {
  font-family: var(--font-eng);
  font-style: italic;
  font-weight: 400;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

ul {
  list-style: none;
}

.container {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.bg-stone {
  background-color: var(--stone-100);
}

/* Dark Section styling (SOLEの哲学などで使用) */
.bg-dark {
  background-color: var(--sumi-black);
  color: var(--stone-200);
  border-top: 1px solid #2e2a24;
  border-bottom: 1px solid #2e2a24;
}

.bg-dark .text-light {
  color: var(--marble-white) !important;
}

.bg-dark .section-title::after {
  background-color: var(--sun-gold);
}

/* Common Layout Elements */
.section-title-wrap {
  text-align: center;
  margin-bottom: 5rem;
}

.section-subtitle {
  display: block;
  font-family: var(--font-eng);
  font-size: 1.15rem;
  letter-spacing: 0.18em;
  color: var(--sun-gold);
  margin-bottom: 0.75rem;
  font-weight: 400;
}

.section-title {
  font-size: 2.3rem;
  color: var(--sumi-black);
  position: relative;
  display: inline-block;
  padding-bottom: 1.25rem;
  letter-spacing: 0.05em;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 1.5px;
  background-color: var(--italian-red);
}

.section-title.text-left {
  text-align: left;
  display: block;
  padding-bottom: 1rem;
}

.section-title.text-left::after {
  left: 0;
  transform: none;
}

.section-lead-text {
  font-size: 1.05rem;
  color: var(--stone-600);
  max-width: 750px;
  margin: 1.5rem auto 0;
  font-weight: 300;
  letter-spacing: 0.02em;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 2.5rem;
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 0; /* Sharp Italian style edges */
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-smooth);
  letter-spacing: 0.1em;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background-color: var(--italian-red);
  color: var(--marble-white);
}

.btn-primary:hover {
  background-color: var(--italian-red-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: transparent;
  color: var(--italian-red);
  border-color: var(--italian-red);
}

.btn-secondary:hover {
  background-color: var(--italian-red-light);
  transform: translateY(-2px);
}

.btn-large {
  padding: 1.25rem 3.5rem;
  font-size: 1.1rem;
  width: 100%;
}

/* ==========================================================================
   Header & Mobile Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(250, 250, 249, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--stone-200);
  z-index: 1000;
  transition: var(--transition-fast);
}

.header-container {
  max-width: var(--container-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-sub {
  font-family: var(--font-eng);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  color: var(--stone-500);
}

.logo-main {
  font-family: var(--font-eng);
  font-size: 1.65rem;
  color: var(--italian-red);
  letter-spacing: 0.08em;
  font-weight: 700;
}

.nav-desktop ul {
  display: flex;
  gap: 2.25rem;
}

.nav-desktop a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--sumi-black);
  letter-spacing: 0.08em;
  position: relative;
  padding: 0.5rem 0;
}

.nav-desktop a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--italian-red);
  transition: var(--transition-fast);
}

.nav-desktop a:hover {
  color: var(--italian-red);
}

.nav-desktop a:hover::after {
  width: 100%;
}

/* Mobile Nav Toggle */
.nav-toggle-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1010;
}

.hamburger-line {
  width: 100%;
  height: 2px;
  background-color: var(--sumi-black);
  transition: var(--transition-fast);
  transform-origin: left center;
}

.site-header:has(.nav-toggle-btn[aria-expanded="true"]) .hamburger-line:nth-child(1) {
  transform: rotate(45deg);
}

.site-header:has(.nav-toggle-btn[aria-expanded="true"]) .hamburger-line:nth-child(2) {
  opacity: 0;
}

.site-header:has(.nav-toggle-btn[aria-expanded="true"]) .hamburger-line:nth-child(3) {
  transform: rotate(-45deg);
}

.nav-mobile {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--marble-white);
  padding: 7rem 2rem 2rem;
  z-index: 990;
  transform: translateY(-100%);
  transition: transform 0.45s cubic-bezier(0.25, 1, 0.5, 1);
  display: flex;
  flex-direction: column;
}

.nav-mobile[aria-hidden="false"] {
  transform: translateY(0);
}

.nav-mobile ul {
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
  align-items: center;
}

.nav-mobile a {
  font-family: var(--font-eng);
  font-size: 1.6rem;
  color: var(--sumi-black);
  letter-spacing: 0.1em;
}

.nav-mobile a:hover {
  color: var(--italian-red);
}

/* ==========================================================================
   Hero Section & Table Setting SVG
   ========================================================================== */
.hero-section {
  padding-top: calc(var(--header-height) + 5rem);
  padding-bottom: 7rem;
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background-color: #fafaf7;
  /* background pattern line styling */
  background-image: 
    linear-gradient(rgba(231, 229, 228, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(231, 229, 228, 0.5) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 5rem;
  align-items: center;
  width: 100%;
}

.hero-tagline {
  font-family: var(--font-eng);
  font-size: 1.45rem;
  color: var(--sun-gold);
  letter-spacing: 0.22em;
  margin-bottom: 1.5rem;
  font-weight: 500;
  font-style: italic;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.35;
  color: var(--sumi-black);
  margin-bottom: 2rem;
  letter-spacing: 0.05em;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--stone-600);
  margin-bottom: 3.5rem;
  max-width: 580px;
  font-weight: 300;
  line-height: 1.85;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
}

.table-svg-wrapper {
  position: relative;
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
}

/* Steaming Animations (湯気) & Candle Flame */
@keyframes candleFlicker {
  0%, 100% { transform: scale(1) rotate(0deg); opacity: 0.95; }
  50% { transform: scale(1.08) rotate(3deg); opacity: 0.85; }
  75% { transform: scale(0.95) rotate(-2deg); opacity: 0.9; }
}

.candle-flame {
  transform-origin: 0px -17px;
  animation: candleFlicker 1.8s infinite ease-in-out;
}

.candle-flame-inner {
  transform-origin: 0px -19px;
  animation: candleFlicker 1.8s infinite ease-in-out;
  animation-delay: 0.2s;
}

@keyframes waveUp {
  0% {
    stroke-dashoffset: 0;
    transform: translateY(15px) scaleX(0.9);
    opacity: 0;
  }
  15% { opacity: 0.4; }
  50% {
    transform: translateY(-15px) scaleX(1.1);
    opacity: 0.65;
  }
  85% { opacity: 0.3; }
  100% {
    stroke-dashoffset: -100;
    transform: translateY(-40px) scaleX(0.9);
    opacity: 0;
  }
}

.steam-wave {
  stroke-dasharray: 25, 75;
  transform-origin: bottom center;
}

.steam-1 {
  animation: waveUp 5.8s infinite linear;
}

.steam-2 {
  animation: waveUp 6.8s infinite linear;
  animation-delay: 2.5s;
}

/* ==========================================================================
   Philosophy Section - Asymmetric Mosaic Layout (No Accordion)
   ========================================================================== */
.about-grid-section {
  padding: 8rem 0;
}

.mosaic-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: auto auto;
  gap: 2.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.mosaic-card {
  background-color: #24201b;
  border: 1px solid #36312a;
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
  position: relative;
}

/* Asymmetric sizing mapping */
.card-large {
  grid-column: 1 / 3;
}

.card-medium {
  grid-column: 1 / 2;
}

.card-small {
  grid-column: 2 / 3;
}

.mosaic-card:hover {
  border-color: var(--sun-gold);
  transform: translateY(-4px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.3);
}

/* Graphic placeholder box styles */
.mosaic-card-image-placeholder {
  width: 100%;
  height: 200px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.card-large .mosaic-card-image-placeholder {
  height: 250px;
}

/* CSS Decorative gradients & actual images combined */
.pizza-oven-bg {
  background: 
    linear-gradient(rgba(28, 25, 23, 0.2), rgba(28, 25, 23, 0.75)),
    url('assets/stone_oven.jpg');
  background-size: cover;
  background-position: center;
}
.pizza-oven-bg::after {
  content: '🔥 450°C FORNO A LEGNA';
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  font-family: var(--font-eng);
  color: var(--sun-gold);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  font-weight: bold;
}

.farm-veg-bg {
  background: 
    linear-gradient(rgba(28, 25, 23, 0.2), rgba(28, 25, 23, 0.75)),
    url('assets/hero_vegetables.jpg');
  background-size: cover;
  background-position: center;
}
.farm-veg-bg::after {
  content: '🥬 VERDURA BIOLOGICA';
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  font-family: var(--font-eng);
  color: var(--sun-gold-light);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  font-weight: bold;
}

.wine-cellar-bg {
  background: 
    radial-gradient(circle at 70% 30%, rgba(127, 29, 29, 0.4), transparent),
    linear-gradient(135deg, #1c1917, #311005);
}
.wine-cellar-bg::after {
  content: '🍷 SELEZIONE DI VINO';
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  font-family: var(--font-eng);
  color: var(--sun-gold-light);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  font-weight: bold;
}

.mosaic-card-content {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-number {
  font-family: var(--font-eng);
  font-size: 1.5rem;
  color: var(--sun-gold);
  font-weight: bold;
  margin-bottom: 0.5rem;
  display: block;
}

.card-title {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  line-height: 1.4;
  color: var(--marble-white);
}

.card-summary {
  font-size: 0.95rem;
  color: var(--stone-300);
  margin-bottom: 1.5rem;
  font-weight: 300;
}

/* Detail Story Area (Search-Hidden-Content rules) */
.card-detail-story {
  transition: var(--transition-smooth);
}

/* When browser native search removes the 'hidden' attribute */
.card-detail-story:not([hidden]) {
  display: block;
  max-height: 500px;
  margin-top: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid #36312a;
}

.story-inner p {
  font-size: 0.95rem;
  color: #a8a29e;
  line-height: 1.75;
  margin-bottom: 1rem;
}

.story-inner p:last-child {
  margin-bottom: 0;
}

.btn-read-more {
  align-self: flex-start;
  background: transparent;
  border: none;
  color: var(--sun-gold);
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.25rem 0;
  border-bottom: 1.5px solid transparent;
  transition: var(--transition-fast);
}

.btn-read-more:hover {
  color: var(--sun-gold-light);
  border-bottom-color: var(--sun-gold);
}

.mosaic-card:has(.card-detail-story:not([hidden])) .btn-read-more {
  display: none; /* Hide read more button once expanded */
}

/* ==========================================================================
   Course Story Section (Interactive Timeline)
   ========================================================================== */
.course-story-section {
  padding: 8rem 0;
}

.course-interactive-wrapper {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.35fr 0.65fr;
  gap: 3rem;
  border: 1px solid var(--stone-200);
  background-color: var(--marble-white);
  box-shadow: var(--shadow-sm);
  border-radius: 4px;
  overflow: hidden;
}

/* Left Timeline Navigation */
.course-timeline-nav {
  background-color: var(--stone-100);
  border-right: 1px solid var(--stone-200);
  padding: 3rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.75rem;
  position: relative;
}

/* Vertical line behind steps */
.course-timeline-nav::before {
  content: '';
  position: absolute;
  top: 4.5rem;
  bottom: 4.5rem;
  left: 2.7rem;
  width: 1px;
  background-color: var(--stone-300);
  z-index: 1;
}

.timeline-step {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem 0;
  text-align: left;
  z-index: 2;
  transition: var(--transition-fast);
}

.step-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: var(--stone-200);
  border: 2px solid var(--stone-300);
  display: inline-block;
  flex-shrink: 0;
  transition: var(--transition-smooth);
}

.step-name {
  font-family: var(--font-round);
  font-size: 1rem;
  font-weight: 500;
  color: var(--stone-500);
  transition: var(--transition-fast);
}

.timeline-step.active .step-dot {
  background-color: var(--italian-red);
  border-color: var(--italian-red);
  transform: scale(1.2);
  box-shadow: 0 0 0 4px rgba(127, 29, 29, 0.15);
}

.timeline-step.active .step-name {
  color: var(--italian-red);
  font-weight: 600;
}

.timeline-step:hover .step-name {
  color: var(--italian-red);
}

/* Right Display Area */
.course-display-area {
  padding: 3.5rem;
  display: flex;
  align-items: center;
  min-height: 360px;
}

.dish-card {
  width: 100%;
}

.dish-card[hidden] {
  display: none;
}

.dish-card:not([hidden]) {
  display: block;
  animation: fadeIn 0.6s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

.dish-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 2.5rem;
  align-items: center;
}

.dish-visual {
  display: flex;
  justify-content: center;
}

.dish-label {
  display: block;
  font-family: var(--font-eng);
  font-size: 0.85rem;
  color: var(--sun-gold);
  letter-spacing: 0.2em;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.dish-title {
  font-size: 1.45rem;
  color: var(--sumi-black);
  margin-bottom: 1rem;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

.dish-desc {
  font-size: 0.95rem;
  color: var(--stone-600);
  line-height: 1.7;
  margin-bottom: 1.75rem;
  font-weight: 300;
}

/* Sommelier wine pairings */
.wine-pairing {
  background-color: var(--stone-100);
  border-left: 3px solid var(--italian-red);
  padding: 1rem 1.25rem;
  font-size: 0.88rem;
  line-height: 1.6;
}

.sommelier-badge {
  display: block;
  font-family: var(--font-eng);
  font-size: 0.75rem;
  font-weight: bold;
  color: var(--italian-red);
  letter-spacing: 0.1em;
  margin-bottom: 0.25rem;
  text-transform: uppercase;
}

.wine-pairing p {
  color: var(--stone-600);
  font-weight: 400;
}

/* Course Footer CTA Link */
.course-footer-cta {
  text-align: center;
  margin-top: 3rem;
}

.course-cta-text {
  font-family: var(--font-round);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--italian-red);
  margin-bottom: 1.5rem;
}

/* ==========================================================================
   Sommelier Concierge Section
   ========================================================================== */
.sommelier-section {
  padding: 6rem 0;
  border-top: 1px solid var(--stone-200);
  border-bottom: 1px solid var(--stone-200);
}

.sommelier-container-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 5rem;
  align-items: center;
  max-width: 950px;
}

.sommelier-illustration {
  max-width: 250px;
  margin: 0 auto;
}

.sommelier-svg {
  filter: drop-shadow(0 12px 24px rgba(0,0,0,0.06));
}

.sommelier-speech-area {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Speech Bubble styling (Elegant curved box) */
.speech-bubble {
  position: relative;
  background-color: var(--marble-white);
  border: 1px solid var(--stone-300);
  border-radius: 8px;
  padding: 2.25rem;
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--italian-red);
  transition: var(--transition-smooth);
}

.speech-bubble::before {
  content: '';
  position: absolute;
  left: -16px;
  top: 50%;
  transform: translateY(-50%);
  border-width: 8px 8px 8px 0;
  border-style: solid;
  border-color: transparent var(--stone-300) transparent transparent;
  display: block;
  width: 0;
}

.speech-bubble::after {
  content: '';
  position: absolute;
  left: -13px;
  top: 50%;
  transform: translateY(-50%);
  border-width: 8px 8px 8px 0;
  border-style: solid;
  border-color: transparent var(--marble-white) transparent transparent;
  display: block;
  width: 0;
}

.sommelier-name {
  font-family: var(--font-round);
  font-size: 1.1rem;
  font-weight: bold;
  color: var(--italian-red);
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--stone-200);
  padding-bottom: 0.25rem;
}

.bubble-text-wrapper {
  min-height: 80px;
  display: flex;
  align-items: center;
}

.bubble-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--sumi-black);
}

.sommelier-caption {
  font-size: 0.85rem;
  color: var(--stone-600);
  text-align: left;
}

/* Dynamic themes based on reservation state */
.speech-bubble.celebration-theme {
  border-left-color: var(--celebration-gold);
  background-color: var(--sun-gold-light);
}
.speech-bubble.celebration-theme::after {
  border-color: transparent var(--sun-gold-light) transparent transparent;
}
.speech-bubble.celebration-theme .sommelier-name {
  color: var(--celebration-gold);
}

.speech-bubble.bubble-alert {
  border-left-color: var(--umeboshi-red);
  background-color: var(--umeboshi-red-light);
}
.speech-bubble.bubble-alert::after {
  border-color: transparent var(--umeboshi-red-light) transparent transparent;
}
.speech-bubble.bubble-alert .sommelier-name {
  color: var(--umeboshi-red);
}

/* ==========================================================================
   Booking Section (Progressive Wizard Form)
   ========================================================================== */
.booking-section {
  padding: 8rem 0;
}

.booking-wizard-form {
  max-width: 850px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Wizard Steps Card */
.wizard-step {
  background-color: var(--marble-white);
  border: 1px solid var(--stone-200);
  border-radius: 4px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.step-header {
  padding: 1.5rem 2.5rem;
  background-color: var(--stone-100);
  border-bottom: 1px solid var(--stone-200);
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: var(--transition-fast);
}

.step-badge {
  font-family: var(--font-eng);
  font-weight: bold;
  font-size: 0.85rem;
  color: var(--stone-500);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.step-title-text {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--stone-600);
}

.step-body {
  padding: 3rem 2.5rem;
  display: none; /* Hidden unless step-active */
}

/* Wizard Active states */
.wizard-step.step-active {
  border-color: var(--italian-red);
  box-shadow: var(--shadow-md);
}

.wizard-step.step-active .step-header {
  background-color: var(--italian-red-light);
  border-bottom-color: var(--stone-200);
}

.wizard-step.step-active .step-badge {
  color: var(--italian-red);
}

.wizard-step.step-active .step-title-text {
  color: var(--italian-red);
}

.wizard-step.step-active .step-body {
  display: block;
  animation: slideDown 0.45s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

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

/* Interactive SVG Seat Map */
.seat-map-layout-group {
  margin-top: 2.5rem;
  margin-bottom: 2.5rem;
}

/* Hide native selector */
#seat-type-select {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.seat-map-wrapper {
  max-width: 600px;
  margin: 1.5rem auto 1rem;
  border: 1px solid var(--stone-200);
  border-radius: 4px;
  background-color: #fcfcfb;
}

.seat-map-svg {
  display: block;
}

.map-hint-text {
  text-align: center;
  font-size: 0.85rem;
  color: var(--stone-600);
}

/* Interactive Seat Nodes in Map */
.interactive-seat-node {
  cursor: pointer;
}

.map-table-shape {
  transition: var(--transition-fast);
}

.map-chair-shape {
  transition: var(--transition-fast);
}

.interactive-seat-node:hover .map-table-shape {
  fill: var(--sun-gold-light);
  stroke: var(--sun-gold);
}

.interactive-seat-node:hover .map-chair-shape {
  fill: var(--sun-gold);
}

/* Selection Highlight States */
.interactive-seat-node.selected-seat .map-table-shape {
  fill: var(--italian-red);
  stroke: var(--sun-gold);
  stroke-width: 2.5px;
}

.interactive-seat-node.selected-seat .map-chair-shape {
  fill: var(--sun-gold);
}

/* Step Navigation buttons */
.wizard-step-buttons {
  display: flex;
  gap: 1.5rem;
  margin-top: 1rem;
}

.btn-next-step {
  padding: 0.75rem 2rem;
  font-size: 0.9rem;
  background-color: var(--stone-200);
  border: 1px solid var(--stone-300);
  color: var(--sumi-black);
}

.btn-next-step:hover {
  background-color: var(--italian-red);
  border-color: var(--italian-red);
  color: var(--marble-white);
  transform: none;
}

.btn-prev-step {
  padding: 0.75rem 2rem;
  font-size: 0.9rem;
  background-color: transparent;
  border: 1px solid var(--stone-300);
  color: var(--stone-600);
}

.btn-prev-step:hover {
  background-color: var(--stone-100);
  transform: none;
}

/* Message plate display check with :has() */
#anniversary-message-group {
  display: none;
  animation: slideDown 0.4s ease forwards;
}

/* CSS :has() check toggling messages on anniversary purposes */
.booking-wizard-form:has(select[name="booking_purpose"] option[value="birthday"]:checked) #anniversary-message-group,
.booking-wizard-form:has(select[name="booking_purpose"] option[value="anniversary"]:checked) #anniversary-message-group {
  display: block;
}

/* General Input Styling inside step */
.form-row-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.field-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 2rem;
  position: relative;
}

.field-label {
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  color: var(--sumi-black);
  letter-spacing: 0.05em;
}

input[type="text"],
input[type="tel"],
input[type="email"],
input[type="number"],
input[type="date"],
input[type="time"],
select,
textarea {
  width: 100%;
  padding: 0.95rem 1.25rem;
  font-family: var(--font-serif);
  font-size: 1rem;
  border: 1px solid var(--stone-300);
  border-radius: 2px;
  background-color: var(--marble-white);
  color: var(--sumi-black);
  transition: var(--transition-fast);
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--italian-red);
  box-shadow: 0 0 0 3px rgba(127, 29, 29, 0.08);
  background-color: #fff;
}

/* Validation styling with :user-invalid */
input:user-invalid,
select:user-invalid,
textarea:user-invalid {
  border-color: var(--umeboshi-red);
  background-color: var(--umeboshi-red-light);
}

input:user-invalid:focus,
select:user-invalid:focus,
textarea:user-invalid:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.08);
}

.error-message {
  display: none;
  font-size: 0.85rem;
  color: var(--umeboshi-red);
  margin-top: 0.4rem;
  font-weight: 600;
}

.field-group:has(:user-invalid) .error-message {
  display: block;
  animation: fadeIn 0.2s ease forwards;
}

input:user-valid,
select:user-valid,
textarea:user-valid {
  border-color: var(--olive-green);
}

/* Double-check styling parent with :has() */
.field-group:has(:user-invalid) .field-label {
  color: var(--umeboshi-red);
}

/* Allergy text detection banner display */
.allergy-caution-banner {
  display: none;
  background-color: var(--umeboshi-red-light);
  border: 1px solid var(--umeboshi-red);
  border-radius: 2px;
  padding: 1.25rem 1.5rem;
  font-size: 0.95rem;
  color: var(--umeboshi-red);
  margin-top: 1rem;
  line-height: 1.65;
}

.allergy-caution-banner.show-banner {
  display: block;
  animation: fadeIn 0.3s ease forwards;
}

/* Submit Section & Overall Error Summary */
.form-submit-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 1.5rem;
  border-top: 1px solid var(--stone-200);
  padding-top: 2.5rem;
}

.form-error-summary {
  display: none;
  background-color: var(--umeboshi-red-light);
  border: 2px solid var(--umeboshi-red);
  border-radius: 2px;
  padding: 1.25rem 2.25rem;
  color: var(--umeboshi-red);
  margin-bottom: 2rem;
  width: 100%;
  font-weight: bold;
  text-align: center;
}

/* Show summary when form submitted and invalid */
.booking-wizard-form.form-submitted:has(:invalid) .form-error-summary {
  display: block;
  animation: fadeIn 0.3s ease forwards;
}

/* ==========================================================================
   Access Map Section
   ========================================================================== */
.access-section {
  padding: 8rem 0;
  border-top: 1px solid var(--stone-200);
  border-bottom: 1px solid var(--stone-200);
}

.access-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

/* Specs Table */
.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 2.5rem;
}

.specs-table th,
.specs-table td {
  padding: 1.25rem 0.75rem;
  border-bottom: 1px solid var(--stone-200);
}

.specs-table th {
  font-family: var(--font-round);
  font-weight: bold;
  color: var(--italian-red);
  text-align: left;
  width: 32%;
  vertical-align: top;
  letter-spacing: 0.05em;
}

.specs-table td {
  color: var(--sumi-black);
  width: 68%;
}

.tel-note, .lo-text, .closed-note {
  font-size: 0.8rem;
  color: var(--stone-600);
  font-weight: normal;
  display: inline-block;
}

/* Map SVG wrapper */
.map-svg-wrapper {
  width: 100%;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--stone-200);
}

.map-svg {
  display: block;
}

.map-caption {
  font-size: 0.9rem;
  color: var(--stone-600);
  margin-top: 1.5rem;
  line-height: 1.65;
}

/* Map Location Pulse Pin Animation */
@keyframes pulseMarker {
  0% { transform: scale(0.6); opacity: 0.8; }
  100% { transform: scale(2.2); opacity: 0; }
}

.map-pulse {
  transform-origin: 230px 160px;
  animation: pulseMarker 2.2s infinite ease-out;
}

/* ==========================================================================
   Footer Section
   ========================================================================== */
.site-footer {
  background-color: var(--sumi-black);
  color: var(--stone-300);
  padding: 5.5rem 0;
  border-top: 1px solid #2e2a24;
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 3.5rem;
}

.footer-logo-text {
  font-family: var(--font-eng);
  font-size: 1.85rem;
  color: var(--marble-white);
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 0.5rem;
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--stone-600);
}

.footer-meta {
  text-align: right;
}

.footer-address {
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.footer-copyright {
  font-size: 0.85rem;
  color: var(--stone-600);
}

/* ==========================================================================
   Scroll-Driven Animations & IntersectionObserver Fallbacks
   ========================================================================== */
@media (prefers-reduced-motion: no-preference) {
  
  .scroll-reveal {
    opacity: 0;
    transform: translateY(35px);
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
  }
  
  .scroll-reveal.active-reveal {
    opacity: 1;
    transform: translateY(0);
  }
  
  @supports ((animation-timeline: view()) and (animation-range: entry)) {
    @keyframes revealUp {
      from {
        opacity: 0;
        transform: translateY(40px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    
    .scroll-reveal {
      animation: revealUp auto linear forwards;
      animation-timeline: view();
      animation-range: entry 5% entry 45%;
      transition: none;
      opacity: 1;
    }
  }
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  :root {
    font-size: 15px;
  }
  
  .hero-grid {
    gap: 3rem;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .access-grid {
    gap: 3.5rem;
  }
}

@media (max-width: 768px) {
  .nav-desktop {
    display: none;
  }
  
  .nav-toggle-btn {
    display: flex;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .mosaic-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .card-large, .card-medium, .card-small {
    grid-column: 1 / 2;
  }
  
  .course-interactive-wrapper {
    grid-template-columns: 1fr;
  }
  
  .course-timeline-nav {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    padding: 2rem;
    gap: 1rem;
  }
  
  .course-timeline-nav::before {
    display: none; /* Hide vertical timeline line on mobile */
  }
  
  .timeline-step {
    padding: 0.25rem 0.5rem;
  }
  
  .dish-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .sommelier-container-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
  
  .speech-bubble::before {
    left: 50%;
    top: -16px;
    transform: translateX(-50%) rotate(90deg);
    border-width: 8px 8px 8px 0;
  }
  
  .speech-bubble::after {
    left: 50%;
    top: -13px;
    transform: translateX(-50%) rotate(90deg);
    border-width: 8px 8px 8px 0;
  }
  
  .form-row-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .access-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  
  .specs-table th {
    width: 38%;
  }
  
  .specs-table td {
    width: 62%;
  }
  
  .footer-container {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 2rem;
  }
  
  .footer-meta {
    text-align: center;
  }
}