/*
Theme Name: MentalData Professional
Theme URI: https://mentaldata.io
Author: MentalData Team
Author URI: https://mentaldata.io
Description: Custom WordPress theme for MentalData - Professional mental health data consultancy with Freight serif fonts and Slate Venture color palette. WCAG 2.1 AA compliant.
Version: 2.0.1764430147
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: mentaldata
Tags: custom-background, custom-logo, custom-menu, accessibility-ready, responsive-layout
*/

/* ========================================
   CSS VARIABLES
   ======================================== */
:root {
  /* Color Palette - Slate Venture (Investment/Trust) */
  --primary-blue: #5F94D9;        /* Sky blue - primary brand */
  --primary-blue-dark: #385773;   /* Deep blue-gray - dark variant */
  --primary-blue-light: #5A90BF;  /* Steel blue - light variant */
  --secondary-blue: #385773;      /* Deep blue-gray - secondary */
  --accent-amber: #F2B366;        /* Warm amber - accent/highlights */

  --gray-900: #090B0D;            /* Near black - headings */
  --gray-800: #1a1a1a;
  --gray-700: #4a4a4a;
  --gray-600: #6b6b6b;
  --gray-500: #8c8c8c;
  --gray-400: #b3b3b3;
  --gray-300: #d4d4d4;
  --gray-200: #e8e8e8;
  --gray-100: #f5f5f5;
  --white: #ffffff;

  /* Typography - Adobe Typekit Freight Family */
  --font-primary: 'freight-micro-pro', Georgia, serif;           /* Body text - optimized for readability */
  --font-heading: 'freight-display-pro', Georgia, serif;         /* Headings - elegant display serif */
  --font-ui: 'republic-web', 'freight-micro-pro', Georgia, serif; /* UI elements - modern serif */
  --font-mono: 'Courier New', Courier, monospace;

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

  /* Spacing */
  --spacing-xs: 0.5rem;    /* 8px */
  --spacing-sm: 1rem;      /* 16px */
  --spacing-md: 1.5rem;    /* 24px */
  --spacing-lg: 2rem;      /* 32px */
  --spacing-xl: 3rem;      /* 48px */
  --spacing-2xl: 4rem;     /* 64px */
  --spacing-3xl: 6rem;     /* 96px */

  /* Container */
  --container-max: 1200px;
  --container-padding: 1.5rem;

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 400ms ease-in-out;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(9, 11, 13, 0.05);
  --shadow-base: 0 1px 3px 0 rgba(9, 11, 13, 0.1), 0 1px 2px 0 rgba(9, 11, 13, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(9, 11, 13, 0.1), 0 2px 4px -1px rgba(9, 11, 13, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(9, 11, 13, 0.1), 0 4px 6px -2px rgba(9, 11, 13, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(9, 11, 13, 0.1), 0 10px 10px -5px rgba(9, 11, 13, 0.04);

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-base: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */
*, *::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-primary);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--gray-700);
  background-color: var(--white);
  overflow-x: hidden;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-900);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

h1 { font-size: var(--text-5xl); font-weight: 700; }
h2 { font-size: var(--text-4xl); font-weight: 700; }
h3 { font-size: var(--text-3xl); font-weight: 400; }
h4 { font-size: var(--text-2xl); font-weight: 400; }
h5 { font-size: var(--text-xl); font-weight: 600; }
h6 { font-size: var(--text-lg); font-weight: 600; }

p {
  margin-bottom: var(--spacing-sm);
  color: var(--gray-700);
}

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

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

a:focus {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}

strong, b {
  font-weight: 700;
}

em, i {
  font-style: italic;
}

/* ========================================
   LAYOUT COMPONENTS
   ======================================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
  width: 100%;
}

.section {
  padding: var(--spacing-3xl) 0;
}

.section-gray {
  background-color: var(--gray-100);
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-family: var(--font-ui);
  font-size: var(--text-base);
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border-radius: var(--radius-base);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  line-height: 1.5;
}

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

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--primary-blue-dark);
  border-color: var(--primary-blue-dark);
  color: var(--white);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover, .btn-secondary:focus {
  background-color: var(--primary-blue);
  color: var(--white);
  text-decoration: none;
  transform: translateY(-2px);
}

.btn-large {
  padding: 1.125rem 2.5rem;
  font-size: var(--text-lg);
}

.btn-small {
  padding: 0.625rem 1.5rem;
  font-size: var(--text-sm);
}

/* ========================================
   CARDS
   ======================================== */
.card {
  background-color: var(--white);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-base);
  transition: all var(--transition-base);
}

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

.card-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  margin-bottom: var(--spacing-sm);
  color: var(--gray-900);
}

.card-text {
  color: var(--gray-700);
  margin-bottom: var(--spacing-md);
}

/* ========================================
   GRID SYSTEM
   ======================================== */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

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

/* ========================================
   HEADER & NAVIGATION
   ======================================== */
.site-header {
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 1rem 0;
}

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

.site-logo {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--primary-blue);
}

.site-logo:hover {
  text-decoration: none;
  color: var(--primary-blue-dark);
}

.main-navigation {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.main-navigation ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
  margin: 0;
}

.main-navigation a {
  font-family: var(--font-ui);
  color: var(--gray-700);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.main-navigation a:hover,
.main-navigation a:focus {
  color: var(--primary-blue);
  background-color: var(--gray-100);
  text-decoration: none;
}

.main-navigation .current-menu-item a {
  color: var(--primary-blue);
  background-color: var(--gray-100);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: 2px solid var(--gray-300);
  padding: 0.5rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

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

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
  color: var(--white);
  padding: var(--spacing-3xl) 0;
  text-align: center;
}

.hero-title {
  font-family: var(--font-heading);
  color: var(--white);
  font-size: var(--text-5xl);
  margin-bottom: var(--spacing-md);
}

.hero-subtitle {
  font-family: var(--font-primary);
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-xl);
  color: rgba(255, 255, 255, 0.95);
  font-weight: 400;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-cta .btn {
  min-width: 200px;
}

/* ========================================
   FOOTER
   ======================================== */
.site-footer {
  background-color: var(--gray-900);
  color: var(--gray-300);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
  font-family: var(--font-heading);
  color: var(--white);
  font-size: var(--text-lg);
  margin-bottom: var(--spacing-sm);
}

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

.footer-section ul li {
  margin-bottom: var(--spacing-xs);
}

.footer-section a {
  color: var(--gray-300);
}

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

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

/* ========================================
   RESPONSIVE DESIGN (Mobile First)
   ======================================== */
@media (max-width: 768px) {
  :root {
    --text-5xl: 2.25rem;   /* 36px */
    --text-4xl: 1.875rem;  /* 30px */
    --text-3xl: 1.5rem;    /* 24px */
    --spacing-3xl: 3rem;   /* 48px */
  }

  .menu-toggle {
    display: block;
  }

  .main-navigation {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--white);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-md);
    display: none;
    flex-direction: column;
  }

  .main-navigation.active {
    display: flex;
  }

  .main-navigation ul {
    flex-direction: column;
    gap: 0;
  }

  .main-navigation a {
    display: block;
    padding: var(--spacing-sm);
  }

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

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .hero-cta .btn {
    width: 100%;
    max-width: 300px;
  }
}

@media (max-width: 480px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .section {
    padding: var(--spacing-xl) 0;
  }
}

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

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary-blue);
  color: var(--white);
  padding: 8px;
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

/* Focus visible for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }