@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700&family=Noto+Serif+JP:wght@500;700&family=Outfit:wght@400;600;700&display=swap');

/* --- Design Tokens --- */
:root {
  --color-primary: #2c2a29;         /* ダークブロンズブラウン (重厚・大地の安定) */
  --color-primary-light: #44403c;
  --color-primary-bg: #f5f5f4;
  
  --color-secondary: #8c7853;       /* シャンパンゴールド (上質・知的な資産) */
  --color-secondary-dark: #786542;
  --color-secondary-bg: #faf7f2;
  
  --color-accent: #1e3a8a;          /* ロイヤルブルー (知的な信頼・計画) */
  --color-accent-hover: #1d4ed8;
  --color-accent-bg: #eff6ff;
  
  --color-bg: #fcfbfa;              /* 上品なウォームホワイト */
  --color-card-bg: #ffffff;
  --color-text: #1c1917;            /* ストーンブラック */
  --color-text-muted: #78716c;
  --color-border: #e7e5e4;
  --color-danger: #b91c1c;          /* 警告赤 */
  --color-danger-bg: #fef2f2;
  
  --font-sans: 'Noto Sans JP', sans-serif;
  --font-serif: 'Noto Serif JP', serif;
  --font-en: 'Outfit', sans-serif;
  
  --shadow-sm: 0 2px 8px rgba(44, 42, 41, 0.03);
  --shadow-md: 0 12px 24px rgba(44, 42, 41, 0.05);
  --shadow-lg: 0 24px 48px rgba(44, 42, 41, 0.08);
  
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 20px;
  
  --transition: all 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: light;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.85;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.35;
  letter-spacing: 0.03em;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* --- Layout --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 30px;
}

.max-width-md {
  max-width: 850px;
}

.section {
  padding: 110px 0;
}

.section-alt {
  background-color: #ffffff;
}

.section-title {
  text-align: center;
  margin-bottom: 70px;
}

.section-title .subtitle {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--color-secondary);
  border-bottom: 1px solid var(--color-secondary);
  padding-bottom: 6px;
  margin-bottom: 18px;
  text-transform: uppercase;
}

.section-title h2 {
  font-size: 2.3rem;
  margin-bottom: 18px;
  color: var(--color-primary);
}

.section-title p {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 750px;
  margin: 0 auto;
}

.text-left {
  text-align: left !important;
}

.text-left p {
  margin: 0 !important;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  padding: 15px 34px;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  letter-spacing: 0.05em;
}

.btn-primary {
  background-color: var(--color-secondary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--color-secondary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(140, 120, 83, 0.25);
}

.btn-outline {
  background-color: transparent;
  border-color: #ffffff;
  color: #ffffff;
}

.btn-outline:hover {
  background-color: #ffffff;
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-outline-sm {
  background-color: transparent;
  border-color: var(--color-border);
  color: var(--color-text-muted);
  padding: 8px 18px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-outline-sm:hover {
  border-color: var(--color-text-muted);
  color: var(--color-text);
}

.btn-sm {
  padding: 10px 22px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 18px 40px;
  font-size: 1.05rem;
}

.btn-full {
  width: 100%;
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 90px;
  background-color: rgba(252, 251, 250, 0.96);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: var(--transition);
}

.header.scrolled {
  height: 75px;
  box-shadow: var(--shadow-md);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  letter-spacing: 0.05em;
}

.logo-sub {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-secondary);
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-text);
  position: relative;
  padding: 8px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-secondary);
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--color-secondary);
}

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

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 16px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.menu-toggle span {
  width: 100%;
  height: 1.5px;
  background-color: var(--color-primary);
  transition: var(--transition);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 650px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

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

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(44, 42, 41, 0.9) 0%, rgba(44, 42, 41, 0.4) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 800px;
  padding: 0 30px;
  margin-top: 90px;
  color: #ffffff;
}

.hero-badge {
  display: inline-block;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background-color: rgba(140, 120, 83, 0.2);
  color: var(--color-secondary-bg);
  font-weight: 600;
  font-size: 0.8rem;
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-title {
  font-size: 3.4rem;
  line-height: 1.35;
  color: #ffffff;
  margin-bottom: 24px;
}

.hero-title span {
  display: block;
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 400;
  margin-top: 20px;
  color: #d6d3d1;
  line-height: 1.65;
}

.hero-cta {
  display: flex;
  gap: 20px;
  margin-top: 40px;
}

.hero-cta .btn-outline {
  border-color: var(--color-secondary);
  color: var(--color-secondary-bg);
}

.hero-cta .btn-outline:hover {
  background-color: var(--color-secondary);
  color: #ffffff;
}

.hero-scroll-guide {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #a8a29e;
  opacity: 0.8;
}

.scroll-text {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  margin-bottom: 6px;
}

.scroll-line {
  width: 1px;
  height: 35px;
  background-color: rgba(255, 255, 255, 0.15);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 12px;
  background-color: var(--color-secondary);
  animation: scrollDown 2s infinite ease-in-out;
}

@keyframes scrollDown {
  0% { transform: translateY(-12px); }
  50% { transform: translateY(35px); }
  100% { transform: translateY(-12px); }
}

/* --- Services & Flow --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 80px;
}

.service-card {
  background-color: var(--color-card-bg);
  padding: 50px 35px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-secondary);
}

.service-icon {
  font-size: 2.2rem;
  margin-bottom: 24px;
  display: inline-block;
  line-height: 1;
}

.service-card h3 {
  font-size: 1.3rem;
  margin-bottom: 16px;
  color: var(--color-primary);
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Flow Box */
.flow-box {
  background-color: var(--color-secondary-bg);
  border-top: 3px solid var(--color-secondary);
  border-radius: var(--radius-sm);
  padding: 50px;
  box-shadow: var(--shadow-sm);
}

.subsection-title {
  text-align: center;
  font-size: 1.6rem;
  margin-bottom: 40px;
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.flow-step {
  position: relative;
}

.flow-step::after {
  content: '→';
  position: absolute;
  top: 15px;
  right: -12px;
  font-size: 1.4rem;
  color: var(--color-secondary);
  opacity: 0.5;
}

.flow-step:last-child::after {
  display: none;
}

.step-num {
  font-family: var(--font-en);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-secondary);
  display: block;
  margin-bottom: 12px;
  line-height: 1;
}

.flow-step h4 {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  margin-bottom: 12px;
  color: var(--color-primary);
}

.flow-step p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --- Simulator Section --- */
.simulator-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 50px;
  align-items: center;
}

.simulator-info .tip-box {
  background-color: var(--color-secondary-bg);
  border-left: 3px solid var(--color-secondary);
  border-radius: var(--radius-sm);
  padding: 24px;
  margin-top: 30px;
}

.simulator-info .tip-box h4 {
  font-size: 1rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.simulator-info .tip-box p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

.simulator-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 20px;
  position: relative;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.form-group input, 
.form-group select, 
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background-color: var(--color-primary-bg);
  transition: var(--transition);
  color: var(--color-text);
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
  background-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(140, 120, 83, 0.15);
}

.result-breakdown {
  margin-top: 30px;
  border-top: 1px dashed var(--color-border);
  padding-top: 24px;
}

.result-breakdown h4 {
  font-size: 1rem;
  margin-bottom: 16px;
  color: var(--color-primary);
}

.breakdown-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

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

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

.total-box {
  background-color: var(--color-secondary-bg);
  border: 1px solid rgba(140, 120, 83, 0.2);
  border-radius: var(--radius-sm);
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.total-box strong {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-secondary-dark);
}

/* --- Exclusive Accordion --- */
.exclusive-accordion details {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  transition: var(--transition);
}

.exclusive-accordion details[open] {
  box-shadow: var(--shadow-md);
  border-color: var(--color-secondary);
}

.exclusive-accordion summary {
  padding: 20px 24px;
  font-weight: 700;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  position: relative;
  outline: none;
  font-size: 1.05rem;
  padding-right: 50px;
}

.exclusive-accordion summary::after {
  content: '＋';
  position: absolute;
  top: 50%;
  right: 24px;
  transform: translateY(-50%);
  font-size: 1.1rem;
  color: var(--color-secondary);
  transition: var(--transition);
}

.exclusive-accordion details[open] summary::after {
  content: '－';
}

.faq-content {
  padding: 0 24px 24px 24px;
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* --- Info & Map --- */
.info-layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 50px;
  align-items: center;
}

.status-badge-wrapper {
  margin-bottom: 24px;
}

.status-badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
  border: 1px solid transparent;
}

.status-open {
  background-color: var(--color-secondary-bg);
  color: var(--color-secondary-dark);
  border-color: rgba(140, 120, 83, 0.2);
}

.status-closed {
  background-color: var(--color-danger-bg);
  color: var(--color-danger);
  border-color: rgba(185, 28, 28, 0.2);
}

.status-out-of-hours {
  background-color: var(--color-primary-bg);
  color: var(--color-text-muted);
  border-color: rgba(120, 113, 108, 0.2);
}

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

.info-table th, .info-table td {
  padding: 14px 8px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}

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

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

.info-map-container {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-md);
}

.interactive-map {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
}

/* --- Form --- */
.booking-container {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 50px;
  box-shadow: var(--shadow-md);
}

.form-fieldset {
  border: none;
  margin-bottom: 30px;
}

.form-legend {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  display: block;
}

.purpose-selector {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.purpose-option {
  position: relative;
  cursor: pointer;
}

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

.purpose-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px 16px;
  background-color: var(--color-primary-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  text-align: center;
  height: 100%;
}

.purpose-box strong {
  display: block;
  font-size: 0.95rem;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.purpose-box span {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

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

.purpose-option input[type="radio"]:checked + .purpose-box strong {
  color: var(--color-secondary-dark);
}

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

.form-checkbox {
  margin-top: 10px;
  margin-bottom: 30px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  font-size: 0.95rem;
}

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

.checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-primary-bg);
  position: relative;
  transition: var(--transition);
}

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

.checkbox-custom::after {
  content: '';
  position: absolute;
  display: none;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid #ffffff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checkbox-label input:checked + .checkbox-custom::after {
  display: block;
}

.required {
  color: var(--color-danger);
  font-size: 0.8rem;
  margin-left: 4px;
}

/* --- Validation with :user-invalid & :has() --- */

.form-group input:user-invalid,
.form-group select:user-invalid,
.form-group textarea:user-invalid {
  border-color: var(--color-danger);
  background-color: var(--color-danger-bg);
}

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

.form-checkbox:has(input:user-invalid) .checkbox-custom {
  border-color: var(--color-danger);
}
.form-checkbox:has(input:user-invalid) .error-msg {
  display: block;
}

.error-msg {
  display: none;
  font-size: 0.8rem;
  color: var(--color-danger);
  margin-top: 6px;
  font-weight: 500;
}

.form-summary-error {
  background-color: var(--color-danger-bg);
  border: 1px solid rgba(185, 28, 28, 0.2);
  color: var(--color-danger);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 24px;
  animation: fadeIn 0.4s ease;
}

/* --- Success Dialog --- */
.success-dialog {
  border: none;
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 500px;
  width: 90%;
  margin: auto;
  box-shadow: var(--shadow-lg);
  animation: modalScale 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.success-dialog::backdrop {
  background-color: rgba(44, 42, 41, 0.5);
  backdrop-filter: blur(4px);
}

@keyframes modalScale {
  from { transform: scale(0.85); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.dialog-content {
  text-align: center;
}

.success-icon {
  font-size: 3.5rem;
  color: var(--color-secondary);
  margin-bottom: 20px;
}

.success-dialog h2 {
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.success-dialog p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.dialog-details {
  background-color: var(--color-primary-bg);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 20px;
  text-align: left;
  border: 1px solid var(--color-border);
}

.dialog-details p {
  margin-bottom: 8px;
  font-size: 0.9rem;
}
.dialog-details p:last-child {
  margin-bottom: 0;
}

.dialog-details strong {
  color: var(--color-text);
}

.dialog-note {
  font-size: 0.8rem !important;
  color: var(--color-text-muted);
  margin-bottom: 24px !important;
}

/* --- Footer --- */
.footer {
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 80px 0 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 60px;
}

.footer-brand .logo {
  color: #ffffff;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-brand p {
  color: #a8a29e;
  font-size: 0.85rem;
}

.brand-desc {
  margin-top: 16px;
  line-height: 1.7;
}

.footer-links h4, .footer-contact h4 {
  font-size: 1.05rem;
  color: #ffffff;
  margin-bottom: 24px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.footer-links nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links nav a {
  color: #cbd5e1;
  font-size: 0.9rem;
}

.footer-links nav a:hover {
  color: var(--color-secondary);
  transform: translateX(4px);
}

.footer-contact p {
  color: #cbd5e1;
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
}

.footer-bottom-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: #78716c;
}

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

/* --- Scroll Animations --- */
.scroll-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* --- Responsive Media Queries --- */
@media (max-width: 992px) {
  .hero {
    height: auto;
    padding: 160px 0 100px 0;
  }
  .hero-bg-graphic {
    opacity: 0.25;
  }
  .services-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .flow-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  .flow-step::after {
    display: none;
  }
  .simulator-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .info-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .header {
    height: 75px;
  }
  .menu-toggle {
    display: flex;
  }
  .nav {
    position: fixed;
    top: 75px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 75px);
    background-color: var(--color-bg);
    flex-direction: column;
    padding: 50px 24px;
    gap: 24px;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
  }
  .nav.active {
    left: 0;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .hero-cta {
    flex-direction: column;
    gap: 12px;
  }
  .section {
    padding: 70px 0;
  }
  .section-title h2 {
    font-size: 1.8rem;
  }
  .flow-steps {
    grid-template-columns: 1fr;
  }
  .purpose-selector {
    grid-template-columns: 1fr;
  }
  .form-group-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .booking-container {
    padding: 30px 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}