/* ==========================================================================
   Mistwood Head Spa (雾林头疗) — Design System & Base CSS
   Palette: Crisp Mineral Mist (#F4F8F6), Mistwood Cypress Obsidian (#14241E),
            Mineral Jade Aqua (#0D766E), Hinoki Warm Gold (#C59B58)
   Typography: Cormorant Garamond (Serif) + Plus Jakarta Sans + Noto Serif SC
   Strict 375px & 1440px responsiveness, zero horizontal overflow, 44px+ touch targets
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,600&family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Noto+Serif+SC:wght@500;600;700&display=swap');

:root {
  /* Background Palette (Crisp Mineral Mist & Deep Cypress; No Warm Oat / Rice-Paper) */
  --bg-primary: #F4F8F6;
  --bg-surface: #FFFFFF;
  --bg-subtle: #EBF2EE;
  --bg-dark: #14241E;
  --bg-dark-surface: #1B2F27;
  --bg-dark-card: #223B31;

  /* Typography Colors */
  --text-main: #14241E;
  --text-muted: #486156;
  --text-light: #768F84;
  --text-inverse: #FFFFFF;
  --text-inverse-muted: #A3BFB5;

  /* Brand Accents */
  --color-primary: #0D766E;
  --color-primary-hover: #095C56;
  --color-primary-light: #D8EBE5;
  --color-primary-border: #99CFC6;
  --color-accent: #C59B58;
  --color-accent-hover: #A67E3E;
  --color-accent-light: #FBF4E8;
  --color-accent-border: #E8D3B0;
  --color-success: #15803D;
  --color-success-light: #DCFCE7;
  --color-danger: #B91C1C;
  --color-danger-light: #FEE2E2;

  /* Borders & Dividers */
  --border-color: #DDE7E2;
  --border-light: #EBF1EE;
  --border-dark: #284438;

  /* Font Stacks */
  --font-heading: 'Cormorant Garamond', 'Noto Serif SC', Georgia, serif;
  --font-body: 'Plus Jakarta Sans', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(20, 36, 30, 0.04);
  --shadow-md: 0 4px 10px rgba(20, 36, 30, 0.06), 0 1px 3px rgba(20, 36, 30, 0.03);
  --shadow-lg: 0 12px 24px -4px rgba(20, 36, 30, 0.08), 0 4px 8px -2px rgba(20, 36, 30, 0.04);
  --shadow-glow: 0 0 24px rgba(13, 118, 110, 0.2);

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  /* Layout Containers */
  --max-width: 1200px;
  --max-width-narrow: 860px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  padding-bottom: 64px; /* Space for fixed demo bar */
  -webkit-font-smoothing: antialiased;
}

/* Accessibility Focus States */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Typography Standards */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  line-height: 1.25;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2.125rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease;
}

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

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.container-narrow {
  max-width: var(--max-width-narrow);
}

.section {
  padding: 80px 0;
}

.section-sm {
  padding: 48px 0;
}

.section-dark {
  background-color: var(--bg-dark);
  color: var(--text-inverse);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--text-inverse);
}

.section-dark p {
  color: var(--text-inverse-muted);
}

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

/* Section Header Patterns */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header.text-left {
  text-align: left;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.section-dark .section-eyebrow {
  color: var(--color-accent);
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.section-header.text-left .section-subtitle {
  margin-left: 0;
}

/* Header & Navigation Bar (Single line at 1440px) */
.site-header {
  background-color: rgba(244, 248, 246, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
}

.site-header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-icon-box {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #14241E 0%, #0D766E 100%);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  box-shadow: 0 2px 6px rgba(13, 118, 110, 0.25);
}

.brand-title-wrap {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.3125rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.brand-tagline {
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
}

/* Public Desktop Nav (Enforce single line without wrap) */
.main-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  list-style: none;
  flex-wrap: nowrap;
  white-space: nowrap;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 8px 2px;
  position: relative;
  transition: color 0.15s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* Compact Header CTA Button (Guarantees single line at 1440px) */
.btn-header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  background-color: var(--color-primary);
  color: #FFFFFF;
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.2s ease;
  min-height: 38px;
}

.btn-header-cta:hover {
  background-color: var(--color-primary-hover);
  color: #FFFFFF;
}

/* Language Switcher */
.lang-toggle-group {
  display: inline-flex;
  align-items: center;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-pill);
  padding: 3px;
  gap: 2px;
}

.lang-btn {
  background: none;
  border: none;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  border-radius: var(--radius-pill);
  cursor: pointer;
  min-height: 28px;
  transition: all 0.15s ease;
}

.lang-btn:hover {
  color: var(--text-main);
}

.lang-btn.active {
  background-color: var(--bg-surface);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

/* Admin Header Navigation (Single 72px row, matching front-end) */
.brand-tier-tag {
  display: inline-flex;
  align-items: center;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  background-color: var(--color-accent);
  color: #FFFFFF;
  margin-left: 6px;
  vertical-align: middle;
}

.admin-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  background-color: var(--bg-dark);
  color: var(--text-inverse);
  margin-left: 8px;
}

.admin-header-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  list-style: none;
  flex-wrap: nowrap;
  white-space: nowrap;
}

.admin-header-nav a,
.admin-nav-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.admin-header-nav a:hover,
.admin-nav-link:hover,
.admin-header-nav a.active,
.admin-nav-link.active {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

/* Tier Comparison Styles (Essential vs Pro) */
.tier-compare-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.tier-compare-card.is-pro {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  position: relative;
}

.tier-compare-price {
  font-family: var(--font-heading);
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

.tier-feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 20px;
  margin-bottom: 24px;
  flex-grow: 1;
}

.tier-feature-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.tier-feature-check {
  color: var(--color-primary);
  font-weight: 700;
  flex-shrink: 0;
}

.tier-feature-cross {
  color: #94A3B8;
  font-weight: 700;
  flex-shrink: 0;
}

/* Mobile Nav Toggle Button */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 8px;
  color: var(--text-main);
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

/* Mobile Drawer */
.mobile-drawer-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(20, 36, 30, 0.5);
  backdrop-filter: blur(4px);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.25s ease;
}

.mobile-drawer-backdrop.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 85%;
  max-width: 340px;
  background-color: var(--bg-surface);
  z-index: 201;
  box-shadow: -8px 0 24px rgba(20, 36, 30, 0.15);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  visibility: hidden;
  pointer-events: none;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.25s ease;
}

.mobile-drawer.open {
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.mobile-drawer-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.mobile-nav-link {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-main);
  display: block;
  padding: 10px 0;
}

.mobile-nav-link.active {
  color: var(--color-primary);
}

.mobile-drawer-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Button Component Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  min-height: 44px;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid transparent;
  line-height: 1;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  box-shadow: 0 4px 12px rgba(13, 118, 110, 0.25);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-main);
  border-color: var(--border-color);
}

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

.btn-accent {
  background-color: var(--color-accent);
  color: #FFFFFF;
}

.btn-accent:hover {
  background-color: var(--color-accent-hover);
  box-shadow: 0 4px 12px rgba(197, 155, 88, 0.25);
}

.btn-outline-dark {
  background: transparent;
  color: var(--text-inverse);
  border-color: var(--border-dark);
}

.btn-outline-dark:hover {
  background-color: var(--bg-dark-surface);
  border-color: var(--color-accent);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.8125rem;
  min-height: 36px;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.0625rem;
  min-height: 50px;
}

.btn-block {
  width: 100%;
}

/* Badges & Tags */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1;
}

.badge-primary {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

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

.badge-gold {
  background: linear-gradient(135deg, #FBF4E8 0%, #F5E8D0 100%);
  color: #8C6628;
  border: 1px solid var(--color-accent-border);
}

.badge-success {
  background-color: var(--color-success-light);
  color: var(--color-success);
}

.badge-outline {
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-muted);
}

/* Cards & Grid Systems */
.grid {
  display: grid;
  gap: 24px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
  position: relative;
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-border);
}

.card-dark {
  background-color: var(--bg-dark-surface);
  border-color: var(--border-dark);
  color: var(--text-inverse);
}

.card-dark:hover {
  border-color: var(--color-accent);
}

/* Service Menu Card Pattern */
.service-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  border-radius: var(--radius-lg);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-border);
}

.service-card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--bg-subtle);
}

.service-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.service-card:hover .service-card-img {
  transform: scale(1.03);
}

.service-duration-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background-color: rgba(20, 36, 30, 0.85);
  backdrop-filter: blur(6px);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.service-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.service-card-title {
  font-size: 1.375rem;
  margin-bottom: 0;
}

.service-price {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
}

.service-card-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  flex-grow: 1;
}

.service-steps-list {
  list-style: none;
  margin-bottom: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-step-item {
  font-size: 0.8125rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-step-item::before {
  content: "•";
  color: var(--color-primary);
  font-size: 1.25rem;
  line-height: 0;
}

/* Compliance Disclaimer Box */
.compliance-banner {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-top: 32px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.compliance-banner-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  margin-top: 2px;
}

/* Form Controls & Inputs */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}

.form-label span.required {
  color: var(--color-danger);
  margin-left: 2px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface);
  color: var(--text-main);
  font-size: 0.9375rem;
  min-height: 44px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(13, 118, 110, 0.15);
}

textarea.form-control {
  min-height: 100px;
  resize: vertical;
}

.form-helper {
  font-size: 0.75rem;
  color: var(--text-light);
  margin-top: 4px;
}

/* Wizard / Step Progress Indicator */
.step-wizard {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
  position: relative;
}

.step-wizard::before {
  content: "";
  position: absolute;
  top: 18px;
  left: 30px;
  right: 30px;
  height: 2px;
  background-color: var(--border-color);
  z-index: 1;
}

.step-item {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  background-color: transparent;
}

.step-circle {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-pill);
  background-color: var(--bg-surface);
  border: 2px solid var(--border-color);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
  transition: all 0.2s ease;
}

.step-item.active .step-circle {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #FFFFFF;
  box-shadow: 0 0 0 4px var(--color-primary-light);
}

.step-item.completed .step-circle {
  background-color: var(--color-success);
  border-color: var(--color-success);
  color: #FFFFFF;
}

.step-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  text-align: center;
}

.step-item.active .step-label {
  color: var(--color-primary);
  font-weight: 700;
}

/* Modals & Backdrop */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(20, 36, 30, 0.6);
  backdrop-filter: blur(4px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.2s ease;
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.modal-box {
  background-color: var(--bg-surface);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  padding: 32px;
  position: relative;
  transform: translateY(16px);
  transition: transform 0.2s ease;
}

.modal-backdrop.open .modal-box {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
}

.modal-close:hover {
  background-color: var(--bg-subtle);
  color: var(--text-main);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 72px;
  right: 24px;
  z-index: 400;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background-color: var(--bg-dark);
  color: var(--text-inverse);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  border-left: 4px solid var(--color-primary);
  animation: toastIn 0.25s ease;
}

.toast-success {
  border-left-color: var(--color-success);
}

.toast-error {
  border-left-color: var(--color-danger);
}

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

/* Mandatory Concept Demo Bar (Playbook Specification) */
.demo-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(20, 36, 30, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #FFFFFF;
  border-top: 1px solid var(--border-dark);
  padding: 8px 16px;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.8125rem;
}

.demo-bar-left {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.demo-badge {
  background-color: var(--color-accent);
  color: #FFFFFF;
  font-size: 0.625rem;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.08em;
  flex-shrink: 0;
}

.demo-bar-text {
  color: var(--text-inverse-muted);
  font-size: 0.8125rem;
}

.demo-bar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.demo-admin-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.demo-admin-link {
  color: var(--color-primary-light);
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  transition: all 0.15s ease;
  white-space: nowrap;
}

.demo-admin-link:hover {
  background: rgba(255, 255, 255, 0.18);
  color: #FFFFFF;
}

.demo-tier-pill {
  display: inline-flex;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-pill);
  padding: 2px;
  gap: 2px;
}

.demo-tier-btn {
  color: var(--text-inverse-muted);
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  transition: all 0.15s ease;
  min-height: 26px;
  display: inline-flex;
  align-items: center;
}

.demo-tier-btn.active {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.demo-reset-btn {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--text-inverse-muted);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 28px;
  transition: all 0.15s ease;
}

.demo-reset-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
}

/* Site Footer */
.site-footer {
  background-color: var(--bg-dark);
  color: var(--text-inverse);
  padding: 64px 0 32px;
  border-top: 1px solid var(--border-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  color: var(--text-inverse);
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--text-inverse-muted);
  font-size: 0.875rem;
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.8125rem;
  color: var(--text-inverse-muted);
}

/* Media Queries & Responsive Breakpoints */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .site-header-inner { height: 64px; }
  .main-nav { display: none; }
  .admin-header-nav { display: none; }
  .mobile-nav-toggle { display: inline-flex; }
  .header-actions .btn-primary { display: none; }

  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }

  .section { padding: 48px 0; }
  .section-title { font-size: 1.875rem; }

  .demo-bar {
    height: 44px;
    padding: 4px 12px;
  }
  .demo-bar-text { display: none; }
  .demo-admin-links { display: none; }
}

@media (max-width: 375px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .section-title {
    font-size: 1.625rem;
  }
  .brand-tagline {
    display: none;
  }
}