/* ==========================================================================
   Frisco Massage Therapy - CSS Framework
   Clean, professional spa/wellness aesthetic
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables
   -------------------------------------------------------------------------- */
:root {
  /* Colors - Calming spa palette */
  --color-primary: #5B8A72;        /* Sage green - primary brand */
  --color-primary-dark: #4A7360;   /* Darker sage for hover */
  --color-primary-light: #7BA393;  /* Lighter sage for accents */

  --color-secondary: #D4A574;      /* Warm sand/terracotta */
  --color-secondary-dark: #C49464;
  --color-secondary-light: #E4C5A4;

  --color-accent: #8B7355;         /* Earthy brown */

  /* Neutrals */
  --color-white: #FFFFFF;
  --color-cream: #FAF8F5;          /* Warm off-white background */
  --color-gray-100: #F5F3F0;
  --color-gray-200: #E8E4DF;
  --color-gray-300: #D4CFC8;
  --color-gray-400: #A9A29A;
  --color-gray-500: #7A746C;
  --color-gray-600: #5A544D;
  --color-gray-700: #3D3935;
  --color-gray-800: #2A2724;
  --color-black: #1A1817;

  /* Typography */
  --font-primary: 'Libre Baskerville', Georgia, 'Times New Roman', serif;
  --font-secondary: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --font-size-xs: 0.75rem;     /* 12px */
  --font-size-sm: 0.875rem;    /* 14px */
  --font-size-base: 1rem;      /* 16px */
  --font-size-lg: 1.125rem;    /* 18px */
  --font-size-xl: 1.25rem;     /* 20px */
  --font-size-2xl: 1.5rem;     /* 24px */
  --font-size-3xl: 1.875rem;   /* 30px */
  --font-size-4xl: 2.25rem;    /* 36px */
  --font-size-5xl: 3rem;       /* 48px */

  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Spacing */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */

  /* Layout */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1200px;

  /* Borders */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-secondary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-gray-700);
  background-color: var(--color-cream);
}

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

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

a:hover {
  color: var(--color-primary-dark);
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 400;
  line-height: var(--line-height-tight);
  color: var(--color-gray-800);
  margin-bottom: var(--space-4);
}

h1 {
  font-size: var(--font-size-4xl);
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

h5 {
  font-size: var(--font-size-lg);
}

h6 {
  font-size: var(--font-size-base);
  font-weight: 600;
}

p {
  margin-bottom: var(--space-4);
}

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

.lead {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-gray-600);
}

.small {
  font-size: var(--font-size-sm);
}

strong, b {
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

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

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

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

section {
  padding: var(--space-16) 0;
}

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

/* Grid */
.grid {
  display: grid;
  gap: var(--space-6);
}

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

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

/* Flexbox utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.header {
  background-color: var(--color-white);
  padding: var(--space-4) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-primary);
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  font-weight: 400;
}

.logo span {
  color: var(--color-gray-500);
  font-weight: 300;
}

.nav {
  display: flex;
  gap: var(--space-6);
}

.nav a {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-2) 0;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}

.nav a:hover,
.nav a.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-gray-700);
  margin: 5px 0;
  transition: var(--transition-fast);
}

@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-4);
    box-shadow: var(--shadow-md);
  }

  .nav.active {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: var(--space-20) 0;
  text-align: center;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.hero .lead {
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0 auto var(--space-8);
}

.hero-light {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
}

.hero-light h1 {
  color: var(--color-gray-800);
}

.hero-light .lead {
  color: var(--color-gray-600);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-secondary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.btn-secondary:hover {
  background-color: var(--color-secondary-dark);
  color: var(--color-white);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

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

.btn-white:hover {
  background-color: var(--color-cream);
  color: var(--color-primary-dark);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-base);
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-body {
  padding: var(--space-6);
}

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-4);
}

.card-text {
  color: var(--color-gray-600);
}

/* Featured card (for top picks) */
.card-featured {
  border: 2px solid var(--color-primary);
  position: relative;
}

.card-featured::before {
  content: 'Featured';
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

/* --------------------------------------------------------------------------
   Business Listing Card (Directory)
   -------------------------------------------------------------------------- */
.listing-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-6);
  display: grid;
  gap: var(--space-4);
  transition: box-shadow var(--transition-normal);
}

.listing-card:hover {
  box-shadow: var(--shadow-md);
}

.listing-rank {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-full);
}

.listing-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.listing-info {
  flex: 1;
}

.listing-name {
  font-size: var(--font-size-xl);
  font-family: var(--font-primary);
  margin-bottom: var(--space-1);
}

.listing-name a {
  color: var(--color-gray-800);
}

.listing-name a:hover {
  color: var(--color-primary);
}

.listing-tagline {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  font-style: italic;
}

.listing-rating {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
}

.listing-stars {
  color: var(--color-secondary);
}

.listing-reviews {
  color: var(--color-gray-500);
}

.listing-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
}

.listing-detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.listing-detail-icon {
  color: var(--color-primary);
  flex-shrink: 0;
  width: 16px;
}

.listing-description {
  color: var(--color-gray-600);
  line-height: var(--line-height-relaxed);
}

.listing-services {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.listing-service-tag {
  background-color: var(--color-gray-100);
  color: var(--color-gray-600);
  font-size: var(--font-size-xs);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

.listing-cta {
  display: flex;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-gray-200);
}

/* Featured listing */
.listing-featured {
  border: 2px solid var(--color-primary);
  background: linear-gradient(135deg, var(--color-white) 0%, var(--color-gray-100) 100%);
}

.listing-featured .listing-rank {
  width: 40px;
  height: 40px;
  font-size: var(--font-size-lg);
}

/* --------------------------------------------------------------------------
   Section Headers
   -------------------------------------------------------------------------- */
.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-header h2 {
  margin-bottom: var(--space-4);
}

.section-header p {
  max-width: 600px;
  margin: 0 auto;
  color: var(--color-gray-600);
}

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

.section-header-left p {
  margin: 0;
}

/* --------------------------------------------------------------------------
   Article Content
   -------------------------------------------------------------------------- */
.article {
  max-width: var(--container-md);
  margin: 0 auto;
}

.article h2 {
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-gray-200);
}

.article h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.article h3 {
  margin-top: var(--space-8);
}

.article ul, .article ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

.article li {
  margin-bottom: var(--space-2);
}

.article blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: var(--space-6);
  margin: var(--space-8) 0;
  font-style: italic;
  color: var(--color-gray-600);
}

/* --------------------------------------------------------------------------
   Callout Boxes
   -------------------------------------------------------------------------- */
.callout {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  margin: var(--space-8) 0;
}

.callout-tip {
  background-color: rgba(91, 138, 114, 0.1);
  border-left: 4px solid var(--color-primary);
}

.callout-info {
  background-color: rgba(91, 138, 114, 0.05);
  border-left: 4px solid var(--color-primary-light);
}

.callout-warning {
  background-color: rgba(212, 165, 116, 0.1);
  border-left: 4px solid var(--color-secondary);
}

.callout-title {
  font-weight: 600;
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* --------------------------------------------------------------------------
   Breadcrumbs
   -------------------------------------------------------------------------- */
.breadcrumbs {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-6);
}

.breadcrumbs a {
  color: var(--color-gray-500);
}

.breadcrumbs a:hover {
  color: var(--color-primary);
}

.breadcrumbs span {
  margin: 0 var(--space-2);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  background-color: var(--color-gray-800);
  color: var(--color-gray-300);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.footer-col h4 {
  color: var(--color-white);
  font-family: var(--font-secondary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: var(--space-2);
}

.footer-col a {
  color: var(--color-gray-400);
  font-size: var(--font-size-sm);
}

.footer-col a:hover {
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid var(--color-gray-700);
  padding-top: var(--space-8);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-muted { color: var(--color-gray-500); }

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }

.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }

.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.py-12 { padding-top: var(--space-12); padding-bottom: var(--space-12); }
.py-16 { padding-top: var(--space-16); padding-bottom: var(--space-16); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   WCAG Accessibility Enhancements
   -------------------------------------------------------------------------- */

/* Skip Link - Hidden until focused */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-weight: 600;
  z-index: 1000;
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
  outline: 3px solid var(--color-secondary);
  outline-offset: 2px;
}

/* Focus Styles - Visible keyboard focus indicators */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus,
[tabindex]:focus {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* Remove outline for mouse users, keep for keyboard */
a:focus:not(:focus-visible),
button:focus:not(:focus-visible),
[tabindex]:focus:not(:focus-visible) {
  outline: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* Button focus enhancement */
.btn:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 2px;
  box-shadow: 0 0 0 6px rgba(91, 138, 114, 0.2);
}

/* Card focus for keyboard navigation */
a.card:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 4px;
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Nav link focus */
.nav a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
  border-bottom-color: var(--color-primary);
}

/* Mobile nav toggle focus */
.nav-toggle:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Listing card link focus */
.listing-name a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Footer link focus */
.footer a:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 2px;
}

/* External link indicator */
.external-link::after {
  content: " (opens in new tab)";
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.external-link {
  position: relative;
}

/* Reduced motion preference */
@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;
  }
}

/* High contrast mode enhancements */
@media (prefers-contrast: high) {
  :root {
    --color-primary: #2d5a44;
    --color-gray-600: #333333;
  }

  a:focus-visible,
  button:focus-visible {
    outline-width: 4px;
  }
}

/* --------------------------------------------------------------------------
   Responsive Typography
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  h1 { font-size: var(--font-size-3xl); }
  h2 { font-size: var(--font-size-2xl); }
  h3 { font-size: var(--font-size-xl); }

  section { padding: var(--space-12) 0; }

  .hero { padding: var(--space-12) 0; }
}

/* --------------------------------------------------------------------------
   Images
   -------------------------------------------------------------------------- */

/* Article Images - Professional massage photos in content */
.article-image {
  margin: var(--space-8) 0;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.article-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Hero Image - Homepage banner */
.hero-image {
  margin: var(--space-6) 0;
  border-radius: var(--border-radius);
  overflow: hidden;
  max-height: 400px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.10);
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

@media (max-width: 768px) {
  .hero-image {
    max-height: 250px;
  }

  .article-image {
    margin: var(--space-6) 0;
  }
}

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */
@media print {
  .header, .footer, .nav, .btn {
    display: none;
  }

  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }

  a {
    color: #000;
    text-decoration: underline;
  }
}