/*! UI Modern - Comprehensive Mobile-First Design System
    Only applies when UI_MODERN=true flag is enabled
    Keeps all functionality, content, and tracking intact
*/

/* ===============================================
   FOUNDATION - Design Tokens & Base Styles
   =============================================== */

:root {
  /* Spacing & Radius */
  --r-xs: 8px;
  --r-sm: 12px; 
  --r-md: 16px;
  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 24px;
  --space-6: 32px;
  
  /* Colors - Adapted to DreamSpace brand */
  --brand: #D97000;
  --brand-secondary: #4A6E1A;
  --brand-ink: #ffffff;
  --text: #0F172A;
  --muted: #667085;
  --bg: #ffffff;
  --line: #E6E8EC;
  --hover: rgba(217,112,0,.10);
  --ring: rgba(217,112,0,.35);
  
  /* Typography */
  --h1: clamp(28px, 5.2vw, 40px);
  --h2: clamp(22px, 4.2vw, 32px);
  --h3: clamp(18px, 3.4vw, 22px);
  --body: clamp(14px, 3.4vw, 16px);
}

/* Base Typography */
html { 
  font-size: 16px; 
}

body { 
  font: 500 var(--body)/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji"; 
  color: var(--text); 
  background: var(--bg); 
}

/* Focus & Accessibility */
*:focus-visible { 
  outline: 3px solid var(--ring); 
  outline-offset: 2px; 
  border-radius: var(--r-sm); 
}

a { 
  text-underline-offset: 3px; 
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  * { 
    animation-duration: 0.01ms !important; 
    transition-duration: 0.01ms !important; 
  }
}

/* Scroll Margin for Sticky Header */
:target,
[id] {
  scroll-margin-top: 130px;
}

/* ===============================================
   MODERN HEADER SYSTEM
   =============================================== */

/* Only apply when UI_MODERN flag is enabled */
[data-ui-modern="true"] .header {
  position: sticky !important;
  top: 0 !important;
  z-index: 50 !important;
  backdrop-filter: saturate(180%) blur(10px) !important;
  background: rgba(255,255,255,.85) !important;
  border-bottom: 1px solid var(--line) !important;
  transition: all 0.2s ease !important;
  min-height: 130px !important;
  display: flex !important;
  align-items: center !important;
}

[data-ui-modern="true"] .header-container,
[data-ui-modern="true"] .header-inner {
  display: flex !important;
  align-items: center !important;
  gap: var(--space-3) !important;
  height: 130px !important;
  padding-inline: var(--space-4) !important;
  max-width: 1400px !important;
  margin: 0 auto !important;
}

/* Logo */
[data-ui-modern="true"] .header-logo {
  display: flex !important;
  align-items: center !important;
  flex-shrink: 0 !important;
}

[data-ui-modern="true"] .header-logo-img {
  height: 80px !important;
  width: auto !important;
  transition: transform 0.2s ease !important;
}

[data-ui-modern="true"] .header-logo:hover .header-logo-img {
  transform: scale(1.02) !important;
}

/* Navigation */
[data-ui-modern="true"] .header-nav,
[data-ui-modern="true"] .nav {
  display: none !important;
  gap: var(--space-4) !important;
  margin-left: auto !important;
  margin-right: var(--space-4) !important;
}

[data-ui-modern="true"] .nav-link {
  font-weight: 500 !important;
  font-size: 15px !important;
  color: var(--text) !important;
  text-decoration: none !important;
  padding: var(--space-2) 0 !important;
  position: relative !important;
  transition: color 0.2s ease !important;
  white-space: nowrap !important;
}

[data-ui-modern="true"] .nav-link:hover {
  color: var(--brand) !important;
}

[data-ui-modern="true"] .nav-link::after {
  content: '' !important;
  position: absolute !important;
  bottom: 0 !important;
  left: 0 !important;
  width: 0 !important;
  height: 2px !important;
  background: var(--brand) !important;
  transition: width 0.3s ease !important;
}

[data-ui-modern="true"] .nav-link:hover::after {
  width: 100% !important;
}

/* Header Actions */
[data-ui-modern="true"] .header-actions,
[data-ui-modern="true"] .cta-wrap {
  margin-left: auto !important;
  display: flex !important;
  align-items: center !important;
  gap: var(--space-3) !important;
}

/* Phone Link */
[data-ui-modern="true"] .phone-link {
  display: flex !important;
  align-items: center !important;
  color: var(--text) !important;
  text-decoration: none !important;
  font-weight: 500 !important;
  font-size: 14px !important;
  transition: color 0.2s ease !important;
  min-height: 44px !important;
  padding: var(--space-2) !important;
}

[data-ui-modern="true"] .phone-link:hover {
  color: var(--brand) !important;
}

/* Mobile Menu Button */
[data-ui-modern="true"] .menu-btn {
  display: flex !important;
  flex-direction: column !important;
  gap: 4px !important;
  width: 44px !important;
  height: 44px !important;
  align-items: center !important;
  justify-content: center !important;
  background: none !important;
  border: none !important;
  cursor: pointer !important;
  padding: var(--space-2) !important;
  border-radius: var(--r-sm) !important;
  transition: background 0.2s ease !important;
}

[data-ui-modern="true"] .menu-btn:hover {
  background: var(--hover) !important;
}

[data-ui-modern="true"] .menu-btn span {
  width: 20px !important;
  height: 2px !important;
  background: var(--text) !important;
  transition: all 0.3s ease !important;
  transform-origin: center !important;
}

[data-ui-modern="true"] .menu-btn[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px) !important;
}

[data-ui-modern="true"] .menu-btn[aria-expanded="true"] span:nth-child(2) {
  opacity: 0 !important;
}

[data-ui-modern="true"] .menu-btn[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px) !important;
}

/* Mobile Menu Drawer */
[data-ui-modern="true"] #mobile-menu {
  position: fixed !important;
  inset: 130px 0 0 0 !important;
  background: #fff !important;
  transform: translateY(-4%) !important;
  opacity: 0 !important;
  pointer-events: none !important;
  transition: all 0.2s ease !important;
  border-top: 1px solid var(--line) !important;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1) !important;
  z-index: 40 !important;
}

/* Mobile adjustments - keep at 130px on mobile too */
@media (max-width: 480px) {
  [data-ui-modern="true"] #mobile-menu {
    inset: 130px 0 0 0 !important;
  }
}

[data-ui-modern="true"] #mobile-menu[data-open="true"] {
  transform: none !important;
  opacity: 1 !important;
  pointer-events: auto !important;
}

[data-ui-modern="true"] #mobile-menu a {
  display: block !important;
  padding: 16px var(--space-4) !important;
  border-bottom: 1px solid #F1F3F5 !important;
  color: var(--text) !important;
  text-decoration: none !important;
  font-weight: 500 !important;
  transition: background 0.2s ease !important;
  min-height: 44px !important;
}

[data-ui-modern="true"] #mobile-menu a:hover {
  background: var(--hover) !important;
  color: var(--brand) !important;
}

/* Desktop Navigation Display */
@media (min-width: 1024px) {
  [data-ui-modern="true"] .header-nav,
  [data-ui-modern="true"] .nav {
    display: flex !important;
  }
  
  [data-ui-modern="true"] .menu-btn {
    display: none !important;
  }
  
  [data-ui-modern="true"] .phone-link {
    display: flex !important;
  }
}

/* Safe Area Support for iOS */
@supports(padding: max(0px)) {
  [data-ui-modern="true"] .header {
    padding-top: env(safe-area-inset-top) !important;
  }
}

/* ===============================================
   COMPREHENSIVE BUTTON SYSTEM
   =============================================== */

/* Base Button Styles */
[data-ui-modern="true"] .btn {
  --h: 40px;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  padding: 0 12px !important;
  height: var(--h) !important;
  border-radius: var(--r-sm) !important;
  font-weight: 600 !important;
  line-height: 1 !important;
  white-space: nowrap !important;
  text-decoration: none !important;
  cursor: pointer !important;
  transition: all 0.2s ease !important;
  border: 1px solid transparent !important;
  font-size: 0.8rem !important;
  min-width: 44px !important;
}

[data-ui-modern="true"] .btn:disabled {
  opacity: 0.55 !important;
  pointer-events: none !important;
}

/* Button Variants */
[data-ui-modern="true"] .btn-primary {
  background: var(--brand) !important;
  color: var(--brand-ink) !important;
  border-color: var(--brand) !important;
  box-shadow: 0 2px 8px rgba(59,130,246,0.2) !important;
}

[data-ui-modern="true"] .btn-primary:hover {
  background: color-mix(in oklab, var(--brand) 92%, #000 8%) !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 12px rgba(59,130,246,0.3) !important;
}

[data-ui-modern="true"] .btn-secondary {
  background: #fff !important;
  color: var(--text) !important;
  border-color: var(--line) !important;
}

[data-ui-modern="true"] .btn-secondary:hover {
  background: var(--hover) !important;
  border-color: var(--brand) !important;
  transform: translateY(-1px) !important;
}

[data-ui-modern="true"] .btn-ghost {
  background: transparent !important;
  color: var(--text) !important;
  border-color: transparent !important;
}

[data-ui-modern="true"] .btn-ghost:hover {
  background: var(--hover) !important;
  color: var(--brand) !important;
}

[data-ui-modern="true"] .btn-outline {
  background: transparent !important;
  color: var(--text) !important;
  border-color: var(--line) !important;
}

[data-ui-modern="true"] .btn-outline:hover {
  background: var(--hover) !important;
  border-color: var(--brand) !important;
  color: var(--brand) !important;
}

[data-ui-modern="true"] .btn-link {
  background: transparent !important;
  color: var(--brand) !important;
  padding: 0 !important;
  height: auto !important;
  border: none !important;
  text-decoration: underline !important;
  text-underline-offset: 3px !important;
}

[data-ui-modern="true"] .btn-link:hover {
  text-decoration: none !important;
}

/* Button Sizes */
[data-ui-modern="true"] .btn-sm {
  --h: 40px;
  padding: 0 14px !important;
  font-size: 14px !important;
}

[data-ui-modern="true"] .btn-lg,
[data-ui-modern="true"] .btn-large {
  --h: 56px;
  padding: 0 24px !important;
  font-size: 16px !important;
}

/* Button Icons */
[data-ui-modern="true"] .btn .icon {
  width: 18px !important;
  height: 18px !important;
  flex-shrink: 0 !important;
}

/* Form Submit Buttons */
[data-ui-modern="true"] button[type="submit"],
[data-ui-modern="true"] input[type="submit"] {
  width: 100% !important;
  min-height: 48px !important;
}

/* ===============================================
   MODERN FOOTER SYSTEM  
   =============================================== */

[data-ui-modern="true"] .footer {
  border-top: 1px solid var(--line) !important;
  background: #fff !important;
  margin-top: var(--space-6) !important;
}

[data-ui-modern="true"] .footer-inner,
[data-ui-modern="true"] .footer-container {
  max-width: 1200px !important;
  margin-inline: auto !important;
  padding: var(--space-6) var(--space-4) !important;
  display: grid !important;
  gap: var(--space-6) !important;
}

[data-ui-modern="true"] .footer-links {
  display: grid !important;
  gap: var(--space-6) !important;
  grid-template-columns: 1fr !important;
}

[data-ui-modern="true"] .footer-column h4 {
  font-size: var(--h3) !important;
  margin-bottom: var(--space-2) !important;
  font-weight: 600 !important;
  color: var(--text) !important;
}

[data-ui-modern="true"] .footer-column ul {
  list-style: none !important;
  padding: 0 !important;
  margin: 0 !important;
}

[data-ui-modern="true"] .footer-column li {
  margin-bottom: var(--space-1) !important;
}

[data-ui-modern="true"] .footer-column a {
  color: var(--muted) !important;
  text-decoration: none !important;
  font-size: 14px !important;
  line-height: 1.5 !important;
  transition: color 0.2s ease !important;
  display: block !important;
  padding: 4px 0 !important;
  min-height: 32px !important;
  display: flex !important;
  align-items: center !important;
}

[data-ui-modern="true"] .footer-column a:hover {
  color: var(--brand) !important;
}

[data-ui-modern="true"] .footer-legal {
  text-align: center !important;
  padding-top: var(--space-4) !important;
  border-top: 1px solid var(--line) !important;
  margin-top: var(--space-4) !important;
}

[data-ui-modern="true"] .footer-legal p {
  color: var(--muted) !important;
  font-size: 12px !important;
  margin: 4px 0 !important;
}

[data-ui-modern="true"] .footer small {
  color: var(--muted) !important;
  font-size: 12px !important;
}

/* Desktop Footer Layout */
@media (min-width: 1024px) {
  [data-ui-modern="true"] .footer-inner,
  [data-ui-modern="true"] .footer-container {
    grid-template-columns: 1.2fr 1fr 1fr 1fr !important;
  }
  
  [data-ui-modern="true"] .footer-links {
    grid-template-columns: repeat(4, 1fr) !important;
  }
}

/* ===============================================
   MOBILE OPTIMIZATIONS
   =============================================== */

/* Section Spacing */
@media (max-width: 480px) {
  [data-ui-modern="true"] section {
    padding-block: clamp(20px, 6vw, 40px) !important;
  }
  
  [data-ui-modern="true"] .header-container,
  [data-ui-modern="true"] .header-inner {
    padding-inline: var(--space-3) !important;
    height: 130px !important;
  }

  [data-ui-modern="true"] .header-logo-img {
    height: 80px !important;
  }

  [data-ui-modern="true"] .header {
    min-height: 130px !important;
    padding: 0 !important;
    background: rgba(255, 255, 255, 0.98) !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08) !important;
    display: flex !important;
    align-items: center !important;
  }

  [data-ui-modern="true"] .header-container {
    flex-direction: row !important;
    justify-content: space-between !important;
    align-items: center !important;
  }

  [data-ui-modern="true"] .btn {
    --h: 24px !important;
    padding: 0.2rem 0.3rem !important;
    font-size: 0.52rem !important;
    min-height: 24px !important;
    white-space: nowrap !important;
    line-height: 1.1 !important;
  }

  [data-ui-modern="true"] .btn-secondary {
    padding: 0.25rem 0.45rem !important;
    font-size: 0.6rem !important;
    min-height: 28px !important;
  }

  [data-ui-modern="true"] .btn-sm {
    --h: 22px;
    font-size: 0.45rem !important;
  }

  [data-ui-modern="true"] .header-actions {
    gap: 0.15rem !important;
    flex-wrap: nowrap !important;
    justify-content: flex-end !important;
    width: auto !important;
  }

  [data-ui-modern="true"] .header-actions .phone-link {
    display: flex !important;
    font-size: 0.5rem !important;
    padding: 0.2rem 0.25rem !important;
    min-height: 24px !important;
  }

  /* Show short text on mobile, hide full text */
  [data-ui-modern="true"] .btn-full,
  [data-ui-modern="true"] .phone-full {
    display: none !important;
  }

  [data-ui-modern="true"] .btn-short,
  [data-ui-modern="true"] .phone-short {
    display: inline !important;
  }
  
  [data-ui-modern="true"] .footer-inner,
  [data-ui-modern="true"] .footer-container {
    padding: var(--space-4) var(--space-3) !important;
  }
}

/* Touch Interactions */
@media (hover: none) {
  [data-ui-modern="true"] .btn:hover {
    transform: none !important;
  }
  
  [data-ui-modern="true"] .btn:active {
    transform: scale(0.98) !important;
  }
}

/* ===============================================
   INTEGRATION WITH EXISTING CLASSES
   Map existing classes to new system
   =============================================== */

/* Map existing button classes to new system */
[data-ui-modern="true"] .cta-button,
[data-ui-modern="true"] .estimate-button {
  @extend .btn;
  @extend .btn-primary;
}

[data-ui-modern="true"] .secondary-button {
  @extend .btn;
  @extend .btn-secondary;  
}

[data-ui-modern="true"] .chat-button {
  width: 56px !important;
  height: 56px !important;
  border-radius: var(--r-md) !important;
  background: var(--brand) !important;
  color: var(--brand-ink) !important;
  border: none !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  position: fixed !important;
  bottom: var(--space-4) !important;
  right: var(--space-4) !important;
  box-shadow: 0 4px 20px rgba(59,130,246,0.3) !important;
  transition: all 0.2s ease !important;
  z-index: 30 !important;
}

[data-ui-modern="true"] .chat-button:hover {
  transform: translateY(-2px) scale(1.05) !important;
  box-shadow: 0 8px 30px rgba(59,130,246,0.4) !important;
}

[data-ui-modern="true"] .calendly-cta {
  background: linear-gradient(135deg, #059669 0%, #047857 100%) !important;
  color: white !important;
  border: none !important;
  border-radius: var(--r-sm) !important;
  font-weight: 600 !important;
  min-height: 48px !important;
  padding: 0 var(--space-4) !important;
  transition: all 0.2s ease !important;
}

[data-ui-modern="true"] .calendly-cta:hover {
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 16px rgba(5,150,105,0.3) !important;
}

/* Ensure proper spacing and alignment */
[data-ui-modern="true"] .hero-buttons,
[data-ui-modern="true"] .cta-group {
  display: flex !important;
  gap: var(--space-3) !important;
  flex-wrap: wrap !important;
  justify-content: center !important;
}

@media (max-width: 480px) {
  [data-ui-modern="true"] .hero-buttons,
  [data-ui-modern="true"] .cta-group {
    flex-direction: column !important;
    align-items: center !important;
  }
  
  [data-ui-modern="true"] .hero-buttons .btn,
  [data-ui-modern="true"] .cta-group .btn {
    width: 100% !important;
    max-width: 280px !important;
  }
}