@charset "UTF-8";

/* ==========================================================================
   Design System Tokens (CSS Custom Properties)
   ========================================================================== */
:root {
  /* Color Palette */
  --color-primary: #1e293b;       /* Slate 800 (深みのあるネイビーグレー、信頼感) */
  --color-primary-dark: #0f172a;  /* Slate 900 */
  --color-primary-light: #334155; /* Slate 700 */
  
  --color-secondary: #0284c7;     /* Sky 600 (誠実・クリーンなブルー) */
  --color-secondary-dark: #0369a1;/* Sky 700 */
  --color-secondary-light: #e0f2fe;/* Sky 100 */
  
  --color-accent: #d97706;        /* Amber 600 (注意・警告・Pマーク補助など) */
  --color-accent-light: #fef3c7;  /* Amber 100 */
  
  --color-success: #16a34a;       /* Green 600 (空きあり・正常) */
  --color-success-light: #dcfce7; /* Green 100 */
  
  --color-error: #dc2626;         /* Red 600 (満車・入力エラー) */
  --color-error-light: #fee2e2;   /* Red 100 */
  
  --color-bg-base: #ffffff;
  --color-bg-alt: #f8fafc;        /* Slate 50 */
  --color-bg-card: #ffffff;
  
  --color-border: #cbd5e1;        /* Slate 300 */
  --color-border-focus: #0284c7;  /* Sky 600 */
  
  --color-text-main: #0f172a;     /* Slate 900 (非常に高いコントラスト) */
  --color-text-muted: #475569;    /* Slate 600 */
  --color-text-light: #f8fafc;    /* Slate 50 */
  
  /* Typography */
  --font-sans: 'Noto Sans JP', system-ui, -apple-system, sans-serif;
  --font-size-base: 1.05rem;      /* 視認性向上のため基本サイズを17px相当に拡大 */
  --font-size-sm: 0.95rem;        /* 補助テキストも15px相当で視覚的安心感 */
  --font-size-xs: 0.85rem;        /* 最小サイズでも14px近くを維持 */
  --font-size-md: 1.25rem;        /* サブタイトル等 */
  --font-size-lg: 1.5rem;         /* 中見出し */
  --font-size-xl: 2.25rem;        /* 大見出し */
  
  --line-height-base: 1.65;
  --line-height-heading: 1.3;
  
  /* Layout & Spacing */
  --container-max-width: 1200px;
  --container-max-width-md: 800px;
  --border-radius: 4px;           /* 法人相手の生真面目さを表すため、丸みは最小限 */
  --transition-speed: 0.25s;
  
  /* Form Element Sizes */
  --min-tap-target: 48px;
}

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

html {
  font-size: 16px; /* 1rem = 16px */
  scroll-behavior: smooth;
  scroll-padding-top: 80px; /* 固定ヘッダー分の余白 */
  background-color: var(--color-bg-alt);
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text-main);
  background-color: var(--color-bg-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography elements */
h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: 0.75em;
  font-weight: 700;
  line-height: var(--line-height-heading);
  color: var(--color-primary-dark);
}

p {
  margin-top: 0;
  margin-bottom: 1.5em;
  color: var(--color-text-muted);
}

a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--transition-speed);
}

a:hover, a:focus-visible {
  color: var(--color-secondary-dark);
  text-decoration: underline;
}

/* A11y Focus State */
*:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 2px;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-secondary);
  color: white;
  padding: 10px 20px;
  z-index: 10000;
  transition: top var(--transition-speed);
}
.skip-link:focus {
  top: 0;
}

/* Common Layout Elements */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.max-width-md {
  max-width: var(--container-max-width-md) !important;
}

.section {
  padding-top: 5rem;
  padding-bottom: 5rem;
  border-bottom: 1px solid var(--color-border);
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.section-title {
  text-align: center;
  margin-bottom: 3.5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-title h2 {
  font-size: var(--font-size-xl);
  color: var(--color-primary-dark);
  position: relative;
  display: inline-block;
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}

/* 生真面目さを表現する直線アンダーライン */
.section-title h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--color-secondary);
}

.section-title .subtitle {
  display: block;
  font-size: var(--font-size-xs);
  letter-spacing: 0.15em;
  color: var(--color-secondary);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.section-title p {
  font-size: var(--font-size-base);
  margin-bottom: 0;
}

/* Helpers */
.text-left {
  text-align: left !important;
}
.text-left h2::after {
  left: 0;
  transform: none;
}

.visually-hidden {
  position: absolute;
  clip-path: inset(50%);
  overflow: hidden;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  white-space: nowrap;
}

.hidden {
  display: none !important;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  border: 2px solid transparent;
  border-radius: var(--border-radius);
  padding: 0.75rem 1.5rem;
  min-height: var(--min-tap-target);
  transition: background-color var(--transition-speed), border-color var(--transition-speed), color var(--transition-speed);
}

.btn-primary {
  background-color: var(--color-secondary);
  color: var(--color-text-light);
}
.btn-primary:hover, .btn-primary:focus-visible {
  background-color: var(--color-secondary-dark);
  color: var(--color-text-light);
  text-decoration: none;
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-border);
  color: var(--color-text-main);
}
.btn-outline:hover, .btn-outline:focus-visible {
  background-color: var(--color-bg-alt);
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
  text-decoration: none;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
  min-height: 40px;
}

.btn-xs {
  padding: 0.25rem 0.75rem;
  font-size: var(--font-size-xs);
  min-height: 32px;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: var(--font-size-md);
  min-height: 54px;
}

.btn-full {
  display: flex;
  width: 100%;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-primary-dark);
  color: var(--color-text-light);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  border-bottom: 2px solid var(--color-secondary);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  color: var(--color-text-light);
  text-decoration: none !important;
}

.logo-text {
  display: flex;
  flex-direction: column;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  font-weight: 500;
}

.logo-main {
  font-size: 1.25rem;
  letter-spacing: 0;
  font-weight: 700;
  color: #ffffff;
  margin-top: 2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  color: var(--color-border);
  font-size: var(--font-size-sm);
  font-weight: 700;
  padding: 0.5rem;
  transition: color var(--transition-speed);
}

.nav-link:hover, .nav-link:focus-visible {
  color: #ffffff;
  text-decoration: none;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
}

.menu-toggle span {
  width: 100%;
  height: 3px;
  background-color: #ffffff;
  transition: transform var(--transition-speed), opacity var(--transition-speed);
}

/* Mobile Nav Toggle states */
.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  position: relative;
  height: 600px;
  display: flex;
  align-items: center;
  margin-top: 80px; /* header offset */
  overflow: hidden;
  background-color: var(--color-primary-dark);
}

.hero-bg-graphic {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg-graphic svg {
  width: 100%;
  height: 100%;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.8) 50%, rgba(15, 23, 42, 0.4) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  z-index: 3;
  color: #ffffff;
}

.hero-badge {
  display: inline-block;
  background-color: var(--color-secondary);
  color: #ffffff;
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: 0.35rem 0.75rem;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
  border-left: 4px solid var(--color-accent);
}

.hero-title {
  font-size: 2.75rem;
  color: #ffffff;
  line-height: 1.25;
  margin-bottom: 2rem;
  max-width: 750px;
}

.hero-title span {
  display: block;
  font-size: 1.15rem;
  line-height: 1.6;
  font-weight: 500;
  color: var(--color-border);
  margin-top: 1rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
}

.hero-scroll-guide {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-border);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  z-index: 3;
}

.scroll-line {
  width: 2px;
  height: 40px;
  background-color: var(--color-border);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 20px;
  background-color: var(--color-secondary);
  animation: scrollAnim 2s infinite ease-in-out;
}

@keyframes scrollAnim {
  0% { transform: translateY(-20px); }
  50% { transform: translateY(40px); }
  100% { transform: translateY(40px); }
}

/* ==========================================================================
   Real-time Search & Table
   ========================================================================== */
.search-layout {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 2rem;
  align-items: start;
}

.table-container {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-card);
}

.parking-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 600px;
}

.parking-table th, .parking-table td {
  padding: 1.25rem 1rem;
  border-bottom: 1px solid var(--color-border);
}

.parking-table th {
  background-color: var(--color-primary);
  color: #ffffff;
  font-weight: 700;
  font-size: var(--font-size-sm);
  white-space: nowrap;
}

.parking-table td {
  font-size: var(--font-size-base);
  color: var(--color-text-main);
  vertical-align: middle;
}

.parking-table tr:nth-child(even) {
  background-color: var(--color-bg-alt);
}

.parking-table tr:hover {
  background-color: #f1f5f9;
}

.parking-table .price {
  font-weight: 700;
  color: var(--color-primary-dark);
  font-size: 1.15rem;
}

/* Status Indicators */
.status-indicator {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  font-size: var(--font-size-sm);
  font-weight: 700;
  border-radius: 2px;
  border: 1px solid transparent;
}

.status-ok {
  background-color: var(--color-success-light);
  border-color: #86efac;
  color: #15803d;
}

.status-few {
  background-color: var(--color-accent-light);
  border-color: #fde047;
  color: #a16207;
}

.status-full {
  background-color: var(--color-error-light);
  border-color: #fca5a5;
  color: #b91c1c;
}

/* Simulator Card */
.simulator-card {
  background-color: var(--color-bg-card);
  border: 2px solid var(--color-primary);
  padding: 2rem;
  position: sticky;
  top: 100px;
}

.simulator-card h3 {
  font-size: var(--font-size-lg);
  color: var(--color-primary-dark);
  margin-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-secondary);
  padding-bottom: 0.5rem;
}

.simulator-card .desc {
  font-size: var(--font-size-sm);
  margin-bottom: 1.5rem;
}

.sim-results {
  background-color: var(--color-bg-alt);
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  margin-top: 1.5rem;
}

.sim-results h4 {
  font-size: var(--font-size-sm);
  color: var(--color-primary-light);
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.sim-breakdown-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem 0;
  font-size: var(--font-size-sm);
}

.sim-breakdown-list li {
  display: flex;
  justify-content: space-between;
  padding-bottom: 0.5rem;
  margin-bottom: 0.5rem;
  border-bottom: 1px dashed var(--color-border);
}

.sim-breakdown-list li span {
  color: var(--color-text-muted);
}

.sim-breakdown-list li strong {
  color: var(--color-text-main);
}

.sim-total-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 2px solid var(--color-primary);
  padding-top: 1rem;
}

.sim-total-box span {
  font-weight: 700;
  color: var(--color-primary);
}

.sim-total-box strong {
  font-size: var(--font-size-lg);
  color: var(--color-error);
  font-weight: 700;
}

/* ==========================================================================
   Guide Section
   ========================================================================== */
.guide-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.guide-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 2rem;
}

.guide-card h3 {
  font-size: 1.25rem;
  color: var(--color-primary-dark);
  border-left: 4px solid var(--color-secondary);
  padding-left: 0.75rem;
  margin-bottom: 1.5rem;
}

.guide-table {
  width: 100%;
  border-collapse: collapse;
}

.guide-table th, .guide-table td {
  padding: 1rem 0.75rem;
  font-size: var(--font-size-sm);
  border-bottom: 1px solid var(--color-border);
}

.guide-table th {
  font-weight: 700;
  color: var(--color-primary);
  width: 25%;
  vertical-align: top;
}

.guide-table td {
  color: var(--color-text-muted);
  width: 75%;
}

.guide-table ul {
  margin: 0;
  padding-left: 1.25rem;
}

.guide-table li {
  margin-bottom: 0.5rem;
}

.guide-table li:last-child {
  margin-bottom: 0;
}

/* Notice Box */
.document-notice-box {
  display: flex;
  background-color: #f0f9ff;
  border-left: 5px solid var(--color-secondary);
  border-top: 1px solid #bae6fd;
  border-right: 1px solid #bae6fd;
  border-bottom: 1px solid #bae6fd;
  padding: 2rem;
  gap: 1.5rem;
  align-items: flex-start;
}

.notice-icon {
  font-size: 2.5rem;
  line-height: 1;
}

.notice-body h3 {
  font-size: var(--font-size-md);
  margin-bottom: 0.75rem;
}

.notice-body p {
  font-size: var(--font-size-sm);
  margin-bottom: 1.25rem;
}

/* ==========================================================================
   Owner Services
   ========================================================================== */
.owner-services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.owner-service-card {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  padding: 2rem;
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.owner-service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  border-color: var(--color-secondary);
}

.owner-service-card h4 {
  font-size: var(--font-size-md);
  color: var(--color-primary-dark);
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 0.5rem;
}

.owner-service-card p {
  font-size: var(--font-size-sm);
  margin-bottom: 0;
  line-height: 1.6;
}

/* ==========================================================================
   Office Info & Map
   ========================================================================== */
.info-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.status-badge-wrapper {
  margin-bottom: 1.5rem;
}

.status-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  font-size: var(--font-size-base);
  font-weight: 700;
  color: #ffffff;
  background-color: var(--color-primary-light);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--color-accent);
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
}

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

.info-table th {
  font-weight: 700;
  color: var(--color-primary);
  width: 30%;
  text-align: left;
  vertical-align: top;
}

.info-table td {
  color: var(--color-text-muted);
  width: 70%;
}

.info-map-container {
  border: 1px solid var(--color-border);
  padding: 1rem;
  background-color: #ffffff;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.interactive-map {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--color-border);
}

.map-caption {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 0.75rem;
  text-align: center;
}

/* ==========================================================================
   Forms & Inquiry
   ========================================================================== */
.booking-container {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 3rem 2.5rem;
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.03);
}

.form-fieldset {
  border: none;
  padding: 0;
  margin: 0 0 2rem 0;
}

.form-legend {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 1rem;
  display: block;
}

.required {
  color: var(--color-error);
  font-size: var(--font-size-xs);
  vertical-align: middle;
  margin-left: 4px;
}

/* Purpose Radio Selectors (押しやすい大きなカード状) */
.purpose-selector {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.purpose-option {
  cursor: pointer;
  display: block;
}

.purpose-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.purpose-box {
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  border: 2px solid var(--color-border);
  background-color: var(--color-bg-card);
  transition: border-color var(--transition-speed), background-color var(--transition-speed);
  height: 100%;
}

.purpose-box strong {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-primary-dark);
  margin-bottom: 0.25rem;
}

.purpose-box span {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* Radio States */
.purpose-option input[type="radio"]:checked + .purpose-box {
  border-color: var(--color-secondary);
  background-color: var(--color-secondary-light);
}

.purpose-option input[type="radio"]:focus-visible + .purpose-box {
  outline: 3px solid var(--color-secondary);
  outline-offset: 2px;
}

/* Standard Inputs */
.form-group-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-weight: 700;
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  background-color: #ffffff;
  color: var(--color-text-main);
  min-height: var(--min-tap-target);
  transition: border-color var(--transition-speed), background-color var(--transition-speed);
  width: 100%;
}

.form-group textarea {
  resize: vertical;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23334155' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1.25rem;
  padding-right: 3rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-border-focus);
  outline: none;
}

/* Custom Checkbox (A11y Friendly) */
.form-checkbox {
  flex-direction: row;
  align-items: center;
  margin-top: 1rem;
  margin-bottom: 2rem;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--color-text-main);
  font-weight: 700;
  gap: 0.75rem;
}

.checkbox-label input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkbox-custom {
  flex-shrink: 0;
  width: 1.35rem;
  height: 1.35rem;
  border: 2px solid var(--color-border);
  background-color: #ffffff;
  position: relative;
  top: 2px;
}

.checkbox-label input:checked + .checkbox-custom {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
}

.checkbox-label input:checked + .checkbox-custom::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 9px;
  border: solid #ffffff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checkbox-label input:focus-visible + .checkbox-custom {
  outline: 3px solid var(--color-secondary);
  outline-offset: 2px;
}

/* Error Messages */
.error-msg {
  display: none;
  font-size: var(--font-size-sm);
  color: var(--color-error);
  font-weight: 700;
  margin-top: 0.5rem;
}

/* Form validation feedback using :user-invalid */
.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-light);
}

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

/* Checkbox specific validation visual feedback */
.form-checkbox:has(input:user-invalid) .checkbox-custom {
  border-color: var(--color-error);
  background-color: var(--color-error-light);
}
.form-checkbox:has(input:user-invalid) .error-msg {
  display: block;
}

/* Summary Error Panel */
.form-summary-error {
  background-color: var(--color-error-light);
  border: 2px solid var(--color-error);
  color: var(--color-error);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
  font-weight: 700;
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* ==========================================================================
   Dialog / Modal (A11y Compliant)
   ========================================================================== */
.success-dialog {
  border: none;
  padding: 0;
  background: transparent;
  max-width: 550px;
  width: 90%;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
  border-radius: var(--border-radius);
  overflow: visible;
}

.success-dialog::backdrop {
  background-color: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(4px);
}

.dialog-content {
  background-color: #ffffff;
  padding: 3rem 2.5rem;
  text-align: center;
  border-top: 6px solid var(--color-secondary);
}

.success-icon {
  font-size: 4rem;
  line-height: 1;
  margin-bottom: 1.5rem;
}

.success-dialog h2 {
  font-size: 1.5rem;
  color: var(--color-primary-dark);
  margin-bottom: 1rem;
}

.success-dialog p {
  font-size: var(--font-size-base);
  margin-bottom: 1.5rem;
}

.dialog-details {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  text-align: left;
}

.dialog-details p {
  margin-bottom: 0.5rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-main);
}
.dialog-details p:last-child {
  margin-bottom: 0;
}

.dialog-note {
  font-size: var(--font-size-xs) !important;
  color: var(--color-text-muted) !important;
  margin-bottom: 2rem !important;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background-color: var(--color-primary-dark);
  color: var(--color-border);
  padding-top: 4rem;
  border-top: 4px solid var(--color-primary-light);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--color-primary-light);
}

.footer-brand .logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1rem;
  display: block;
}

.brand-desc {
  font-size: var(--font-size-sm);
  line-height: 1.6;
  margin-bottom: 0;
}

.footer-links h4, .footer-contact h4 {
  font-size: var(--font-size-sm);
  color: #ffffff;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-secondary);
  padding-bottom: 0.5rem;
  display: inline-block;
}

.footer-links nav {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--color-border);
  font-size: var(--font-size-sm);
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-contact p {
  color: var(--color-border);
  font-size: var(--font-size-sm);
  margin-bottom: 0.75rem;
}

.footer-bottom {
  background-color: #0b1329;
  padding: 1.5rem 0;
}

.footer-bottom-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.footer-bottom p {
  margin: 0;
}

.privacy a {
  color: var(--color-text-muted);
}
.privacy a:hover {
  color: #ffffff;
}

/* ==========================================================================
   Scroll Reveal Animation
   ========================================================================== */
.scroll-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */
@media (max-width: 1024px) {
  h1 { font-size: 2.25rem; }
  .hero { height: 550px; }
  .search-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .simulator-card {
    position: static;
  }
}

@media (max-width: 768px) {
  /* Navigation toggling */
  .menu-toggle {
    display: flex;
  }
  
  .nav {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--color-primary-dark);
    flex-direction: column;
    justify-content: flex-start;
    padding-top: 3rem;
    gap: 2rem;
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
    border-top: 1px solid var(--color-primary-light);
  }
  
  .nav.active {
    transform: translateX(0);
  }

  .nav-link {
    font-size: 1.2rem;
  }
  
  .hero {
    height: auto;
    padding-top: 4rem;
    padding-bottom: 6rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .hero-scroll-guide {
    display: none;
  }
  
  .guide-grid {
    grid-template-columns: 1fr;
  }
  
  .owner-services-grid {
    grid-template-columns: 1fr;
  }
  
  .info-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .booking-container {
    padding: 2rem 1.5rem;
  }
  
  .purpose-selector {
    grid-template-columns: 1fr;
  }
  
  .form-group-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .footer-bottom-flex {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (pointer: coarse) {
  /* Touch target sizes */
  .btn {
    min-height: 52px;
  }
  .form-group input,
  .form-group select,
  .form-group textarea {
    min-height: 52px;
  }
}