/*
Theme Name: LabSync
Theme URI: https://labsync.com
Author: LabSync Team
Author URI: https://labsync.com
Description: A modern, professional WordPress theme designed for LabSync - optimized for Elementor page builder. Features a clean grayscale design with accent colors, perfect for laboratory and scientific services.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: labsync
Tags: elementor, custom-colors, custom-menu, featured-images, threaded-comments, translation-ready, blog, business, portfolio

This theme, like WordPress, is licensed under the GPL.
*/

/* ========================================
   CSS VARIABLES - DESIGN SYSTEM
   ======================================== */

:root {
  /* Color Palette */
  --color-primary: #0066CC;        /* Vibrant blue accent */
  --color-primary-dark: #004C99;   /* Darker blue for hovers */
  --color-primary-light: #3385D6;  /* Lighter blue */
  
  --color-gray-100: #F8F9FA;       /* Lightest gray - backgrounds */
  --color-gray-200: #E9ECEF;       /* Light gray - borders */
  --color-gray-300: #DEE2E6;       /* Medium-light gray */
  --color-gray-400: #CED4DA;       /* Medium gray */
  --color-gray-500: #ADB5BD;       /* Mid gray - secondary text */
  --color-gray-600: #6C757D;       /* Dark gray - body text */
  --color-gray-700: #495057;       /* Darker gray - headings */
  --color-gray-800: #343A40;       /* Very dark gray */
  --color-gray-900: #212529;       /* Almost black - primary text */
  
  --color-white: #FFFFFF;
  --color-black: #000000;
  
  /* Success, Warning, Error */
  --color-success: #28A745;
  --color-warning: #FFC107;
  --color-error: #DC3545;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-heading: 'Poppins', -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;
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  /* Spacing */
  --spacing-xs: 0.25rem;   /* 4px */
  --spacing-sm: 0.5rem;    /* 8px */
  --spacing-md: 1rem;      /* 16px */
  --spacing-lg: 1.5rem;    /* 24px */
  --spacing-xl: 2rem;      /* 32px */
  --spacing-2xl: 3rem;     /* 48px */
  --spacing-3xl: 4rem;     /* 64px */
  --spacing-4xl: 6rem;     /* 96px */
  
  /* Layout */
  --container-width: 1200px;
  --container-padding: 1rem;
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-gray-700);
  background-color: var(--color-white);
  overflow-x: hidden;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-md);
}

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

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-gray-600);
}

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

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

strong, b {
  font-weight: var(--font-weight-bold);
}

em, i {
  font-style: italic;
}

/* ========================================
   LAYOUT
   ======================================== */

.site {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-content {
  flex: 1;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ========================================
   HEADER
   ======================================== */

.site-header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-md);
  padding-bottom: var(--spacing-md);
}

.site-branding {
  display: flex;
  align-items: center;
}

.site-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin: 0;
  color: var(--color-gray-900);
}

.site-title a {
  color: var(--color-gray-900);
  transition: color var(--transition-fast);
}

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

.site-description {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  margin: 0;
}

/* ========================================
   NAVIGATION
   ======================================== */

.main-navigation {
  display: flex;
  align-items: center;
}

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

.main-navigation a {
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
  padding: var(--spacing-sm) 0;
  transition: color var(--transition-fast);
  position: relative;
}

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

.main-navigation a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-base);
}

.main-navigation a:hover::after,
.main-navigation .current-menu-item a::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--color-gray-900);
  margin: 5px 0;
  transition: all var(--transition-fast);
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  
  .main-navigation {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-top: 1px solid var(--color-gray-200);
    display: none;
  }
  
  .main-navigation.toggled {
    display: block;
  }
  
  .main-navigation ul {
    flex-direction: column;
    gap: 0;
    padding: var(--spacing-md);
  }
  
  .main-navigation li {
    border-bottom: 1px solid var(--color-gray-200);
  }
  
  .main-navigation a {
    display: block;
    padding: var(--spacing-md);
  }
}

/* ========================================
   FOOTER
   ======================================== */

.site-footer {
  background-color: var(--color-gray-900);
  color: var(--color-gray-300);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  margin-top: var(--spacing-4xl);
}

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

.footer-widget h3 {
  color: var(--color-white);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
}

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

.footer-widget a {
  color: var(--color-gray-300);
  display: block;
  padding: var(--spacing-xs) 0;
}

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

.site-info {
  text-align: center;
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-gray-700);
  font-size: var(--font-size-sm);
  color: var(--color-gray-400);
}

/* ========================================
   BUTTONS
   ======================================== */

.btn,
button[type="submit"],
input[type="submit"] {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary,
button[type="submit"],
input[type="submit"] {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover,
button[type="submit"]:hover,
input[type="submit"]:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--color-gray-200);
  color: var(--color-gray-900);
}

.btn-secondary:hover {
  background-color: var(--color-gray-300);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

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

/* ========================================
   FORMS
   ======================================== */

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="search"],
textarea,
select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  color: var(--color-gray-700);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--border-radius-md);
  transition: border-color var(--transition-fast);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="url"]:focus,
input[type="search"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray-700);
}

/* ========================================
   BLOG STYLES
   ======================================== */

.blog-posts {
  display: grid;
  gap: var(--spacing-xl);
}

.post {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.post-thumbnail {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.post-content {
  padding: var(--spacing-xl);
}

.post-title {
  margin-bottom: var(--spacing-sm);
}

.post-meta {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
}

.post-excerpt {
  margin-bottom: var(--spacing-md);
}

.read-more {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

/* Single Post */
.single-post .entry-header {
  margin-bottom: var(--spacing-xl);
}

.single-post .post-thumbnail {
  width: 100%;
  height: auto;
  margin-bottom: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
}

.entry-content {
  line-height: var(--line-height-relaxed);
}

.entry-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius-md);
}

/* ========================================
   COMMENTS
   ======================================== */

.comments-area {
  margin-top: var(--spacing-3xl);
  padding-top: var(--spacing-3xl);
  border-top: 1px solid var(--color-gray-200);
}

.comment-list {
  list-style: none;
}

.comment {
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background-color: var(--color-gray-100);
  border-radius: var(--border-radius-md);
}

.comment-author {
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-xs);
}

.comment-metadata {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--spacing-md);
}

/* ========================================
   WIDGETS
   ======================================== */

.widget {
  margin-bottom: var(--spacing-xl);
}

.widget-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-primary);
}

.widget ul {
  list-style: none;
}

.widget a {
  display: block;
  padding: var(--spacing-xs) 0;
  color: var(--color-gray-700);
}

.widget a:hover {
  color: var(--color-primary);
  padding-left: var(--spacing-xs);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

.screen-reader-text {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ========================================
   ELEMENTOR COMPATIBILITY
   ======================================== */

/* Remove default margins for Elementor sections */
.elementor-section {
  margin: 0 !important;
}

/* Ensure full-width Elementor sections work properly */
.elementor-section.elementor-section-boxed > .elementor-container {
  max-width: var(--container-width);
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 1024px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.75rem;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 1.5rem;
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
  }
  
  .site-header .container {
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-5xl: 1.75rem;
    --font-size-4xl: 1.5rem;
    --font-size-3xl: 1.25rem;
  }
}