/*
Theme Name: Nexus Pro
Theme URI: https://yourdomain.com/nexus-pro
Author: Your Name
Author URI: https://yourdomain.com
Description: A modern, professional WordPress theme with advanced header design and full customization options.
Version: 1.3.0
License: GPL v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: nexus-pro
Tags: business, portfolio, responsive, clean, modern, professional, custom-header, custom-menu, featured-images, translation-ready, block-styles, wide-blocks
*/

/* ============================================
   TABLE OF CONTENTS
   1. CSS Variables
   2. Reset & Base Styles
   3. Typography
   4. Layout & Container
   5. MODERN HEADER STYLES
      5.1 Header Variables
      5.2 Base Header
      5.3 Sticky Header
      5.4 Transparent Header
      5.5 Header Inner Layout
      5.6 Site Branding
      5.7 Main Navigation
      5.8 Dropdown Menus
      5.9 Header Actions
      5.10 Search Toggle
      5.11 Cart Icon
      5.12 CTA Button
      5.13 Theme Toggle
      5.14 Mobile Menu
      5.15 Search Overlay
      5.16 Announcement Bar
      5.17 Breadcrumbs
      5.18 Skip Links
   6. Hero Section
   7. Posts & Pages
   8. Widgets
   9. Footer
   10. Forms
   11. Comments
   12. Pagination
   13. WordPress Core
   14. Utilities
   15. Responsive Design
   16. Dark Mode
   17. Accessibility
   18. Print Styles
   ============================================ */

/* ============================================
   1. CSS VARIABLES
   ============================================ */
:root {
    /* Colors */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #64748b;
    --accent-color: #8b5cf6;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --gray-light: #f1f5f9;
    --gray: #94a3b8;
    --gray-dark: #475569;
    --white: #ffffff;
    --black: #000000;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-size-base: 16px;
    --font-size-small: 0.875rem;
    --font-size-medium: 1rem;
    --font-size-large: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-xxl: 2rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Layout */
    --container-width: 1240px;
    --content-width: 800px;
    --sidebar-width: 320px;
    
    /* Effects */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --box-shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --box-shadow-xl: 0 20px 50px -10px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   2. RESET & BASE STYLES
   ============================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    overflow-x: hidden;
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
    margin: 0;
    padding: 0;
    width: 100%;
    min-height: 100vh;
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white);
}

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

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

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

ul,
ol {
    padding-left: 1.5rem;
}

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

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

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

.lead {
    font-size: var(--font-size-large);
    color: var(--secondary-color);
}

/* ============================================
   4. LAYOUT & CONTAINER
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

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

/* ============================================
   5. MODERN HEADER STYLES
   ============================================ */

/* 5.1 Header Variables */
:root {
    --header-height: 80px;
    --header-height-mobile: 64px;
    --header-bg: rgba(255, 255, 255, 0.95);
    --header-text: #1e293b;
    --header-accent: #6366f1;
    --header-accent-light: #818cf8;
    --header-accent-dark: #4f46e5;
    --header-border: rgba(0, 0, 0, 0.06);
    --header-shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    --header-font-size: 0.95rem;
    --header-font-weight: 500;
    --header-transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --header-transition-smooth: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 5.2 Base Header */
.site-header {
    position: relative;
    z-index: 1000;
    width: 100%;
    background: var(--header-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--header-border);
    transition: var(--header-transition);
    overflow: visible;
}

/* 5.3 Sticky Header */
.sticky-header {
    position: sticky;
    top: 0;
}

.sticky-header.header-scrolled {
    box-shadow: var(--header-shadow);
    border-bottom-color: transparent;
}

.sticky-header.header-hidden {
    transform: translateY(-100%);
    pointer-events: none;
}

/* 5.4 Transparent Header */
.transparent-header:not(.header-scrolled) {
    background: transparent;
    backdrop-filter: none;
    border-bottom-color: transparent;
    box-shadow: none;
}

.transparent-header:not(.header-scrolled) .site-title a,
.transparent-header:not(.header-scrolled) .main-menu > li > a,
.transparent-header:not(.header-scrolled) .search-toggle,
.transparent-header:not(.header-scrolled) .header-cart {
    color: #ffffff;
}

.transparent-header:not(.header-scrolled) .hamburger-line {
    background: #ffffff;
}

.transparent-header:not(.header-scrolled) .header-cta {
    border-color: rgba(255, 255, 255, 0.3);
    color: #ffffff;
}

/* 5.5 Header Inner Layout */
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--header-height);
    padding: 0;
    gap: 24px;
    max-width: 100%;
    flex-wrap: nowrap;
}

/* 5.6 Site Branding */
.site-branding {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    max-width: 280px;
}

.site-logo {
    display: flex;
    align-items: center;
    line-height: 0;
}

.site-logo a {
    display: inline-block;
    line-height: 0;
    transition: var(--header-transition);
}

.site-logo img {
    max-height: 48px;
    width: auto;
    height: auto;
    display: block;
    transition: var(--header-transition);
}

.site-logo a:hover img {
    transform: scale(1.05);
    filter: brightness(1.1);
}

.site-title {
    margin: 0;
    font-size: 1.6rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--header-accent), var(--header-accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.site-title a {
    text-decoration: none;
    -webkit-text-fill-color: transparent;
}

/* 5.7 Main Navigation */
.main-navigation {
    flex: 1 1 auto;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    min-width: 0;
}

.menu-wrapper {
    display: flex;
    align-items: center;
    width: 100%;
    justify-content: flex-end;
}

.main-menu {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2px;
    flex-wrap: wrap;
}

.main-menu > li {
    position: relative;
    margin: 0;
    padding: 0;
    flex-shrink: 0;
}

.main-menu > li > a {
    display: flex;
    align-items: center;
    padding: 10px 18px;
    color: var(--header-text);
    text-decoration: none;
    font-weight: var(--header-font-weight);
    font-size: var(--header-font-size);
    border-radius: 8px;
    transition: var(--header-transition);
    position: relative;
    gap: 4px;
}

.main-menu > li > a:hover {
    color: var(--header-accent);
    background: rgba(99, 102, 241, 0.08);
    transform: translateY(-1px);
}

.main-menu > li.current-menu-item > a,
.main-menu > li.current-page-ancestor > a {
    color: var(--header-accent);
    background: rgba(99, 102, 241, 0.1);
}

.main-menu > li.current-menu-item > a::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 3px;
    background: linear-gradient(90deg, var(--header-accent), var(--header-accent-light));
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.3);
}

/* 5.8 Dropdown Menus */
.main-menu .sub-menu {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    min-width: 240px;
    padding: 8px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px) scale(0.96);
    transition: var(--header-transition);
    z-index: 999;
    list-style: none;
}

.main-menu .menu-item-has-children:hover > .sub-menu,
.main-menu .menu-item-has-children:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.main-menu .sub-menu li {
    margin: 0;
    padding: 0;
    border-radius: 6px;
    overflow: hidden;
}

.main-menu .sub-menu li a {
    display: flex;
    align-items: center;
    padding: 10px 14px;
    color: var(--header-text);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--header-transition);
    border-radius: 6px;
    gap: 10px;
}

.main-menu .sub-menu li a:hover {
    color: var(--header-accent);
    background: rgba(99, 102, 241, 0.08);
    transform: translateX(4px);
}

.main-menu .menu-item-has-children > a::after {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    margin-left: 6px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg);
    transition: var(--header-transition);
    opacity: 0.5;
}

.main-menu .menu-item-has-children:hover > a::after {
    transform: rotate(-135deg);
    opacity: 1;
}

/* 5.9 Header Actions */
.header-actions {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

/* 5.10 Search Toggle */
.search-toggle,
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--header-text);
    cursor: pointer;
    transition: var(--header-transition);
    position: relative;
    flex-shrink: 0;
}

.search-toggle:hover,
.theme-toggle:hover {
    background: rgba(99, 102, 241, 0.08);
    color: var(--header-accent);
    transform: scale(1.05);
}

.search-toggle:active,
.theme-toggle:active {
    transform: scale(0.92);
}

/* 5.11 Cart Icon */
.header-cart {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    color: var(--header-text);
    text-decoration: none;
    transition: var(--header-transition);
    flex-shrink: 0;
}

.header-cart:hover {
    background: rgba(99, 102, 241, 0.08);
    color: var(--header-accent);
    transform: scale(1.05);
}

.cart-count {
    position: absolute;
    top: 2px;
    right: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 5px;
    background: linear-gradient(135deg, var(--header-accent), var(--header-accent-light));
    color: #ffffff;
    border-radius: 10px;
    font-size: 0.65rem;
    font-weight: 700;
    pointer-events: none;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
    transition: var(--header-transition);
}

.cart-count:empty {
    display: none;
}

/* 5.12 CTA Button */
.header-cta {
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--header-transition);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.header-cta.button-primary {
    background: linear-gradient(135deg, var(--header-accent), var(--header-accent-dark));
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.header-cta.button-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

/* 5.13 Theme Toggle */
.theme-toggle .theme-toggle-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    position: relative;
}

.theme-toggle .sun-icon,
.theme-toggle .moon-icon {
    position: absolute;
    transition: var(--header-transition-smooth);
}

.theme-toggle .sun-icon {
    opacity: 0;
    transform: rotate(-90deg) scale(0);
}

.theme-toggle .moon-icon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

[data-theme="dark"] .theme-toggle .sun-icon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

[data-theme="dark"] .theme-toggle .moon-icon {
    opacity: 0;
    transform: rotate(90deg) scale(0);
}

/* 5.14 Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex: 0 0 auto;
    width: 44px;
    height: 44px;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--header-transition);
    flex-shrink: 0;
}

.menu-toggle:hover {
    background: rgba(99, 102, 241, 0.08);
}

.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    flex-shrink: 0;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--header-text);
    border-radius: 2px;
    transition: var(--header-transition);
    transform-origin: center;
}

.menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* 5.15 Search Overlay */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    opacity: 0;
    visibility: hidden;
    transition: var(--header-transition-smooth);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.search-overlay.active {
    opacity: 1;
    visibility: visible;
}

.search-overlay-inner {
    width: 90%;
    max-width: 600px;
    padding: 20px;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px);
    transition: var(--header-transition-smooth);
}

.search-overlay.active .search-overlay-inner {
    transform: translateY(0);
}

.search-close {
    position: absolute;
    top: -60px;
    right: 0;
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    color: #ffffff;
    cursor: pointer;
    transition: var(--header-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.search-close:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(90deg) scale(1.1);
}

.search-overlay .search-form {
    display: flex;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.08);
    transition: var(--header-transition);
    max-width: 100%;
}

.search-overlay .search-form:focus-within {
    border-color: var(--header-accent);
    background: rgba(255, 255, 255, 0.08);
}

.search-overlay .search-form input[type="search"] {
    flex: 1;
    padding: 20px 24px;
    border: none;
    background: transparent;
    color: #ffffff;
    font-size: 1.2rem;
    outline: none;
    min-width: 0;
    width: 100%;
}

.search-overlay .search-form input[type="search"]::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.search-overlay .search-form button[type="submit"] {
    padding: 20px 32px;
    border: none;
    background: linear-gradient(135deg, var(--header-accent), var(--header-accent-dark));
    color: #ffffff;
    font-weight: 600;
    cursor: pointer;
    transition: var(--header-transition);
    flex-shrink: 0;
}

.search-overlay .search-form button[type="submit"]:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.search-suggestions {
    margin-top: 24px;
    color: rgba(255, 255, 255, 0.6);
}

.search-suggestions-title {
    font-size: 0.85rem;
    margin-bottom: 12px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.4);
}

.search-suggestions-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
    padding: 0;
}

.search-suggestions-list li a {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.05);
    color: #ffffff;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.85rem;
    transition: var(--header-transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.search-suggestions-list li a:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    border-color: var(--header-accent);
}

/* 5.16 Announcement Bar */
.announcement-bar {
    position: relative;
    width: 100%;
    padding: 6px 0;
    background: linear-gradient(135deg, var(--header-accent), var(--header-accent-dark));
    color: #ffffff;
    overflow: hidden;
}

.announcement-bar .container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 0 20px;
    flex-wrap: wrap;
}

.announcement-text {
    margin: 0;
    font-size: 0.85rem;
    text-align: center;
}

.announcement-close {
    flex: 0 0 auto;
    padding: 4px;
    background: none;
    border: none;
    color: #ffffff;
    cursor: pointer;
    opacity: 0.7;
    transition: var(--header-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.announcement-close:hover {
    opacity: 1;
    transform: rotate(90deg);
}

/* 5.17 Breadcrumbs */
.breadcrumbs-wrapper {
    width: 100%;
    padding: 12px 0;
    background: var(--header-bg);
    border-bottom: 1px solid var(--header-border);
    overflow: hidden;
}

.breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 4px 8px;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    font-size: 0.85rem;
    color: var(--secondary-color, #64748b);
    flex-shrink: 0;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: '/';
    margin: 0 4px;
    color: var(--gray, #94a3b8);
    font-size: 0.8rem;
}

.breadcrumb-item a {
    color: var(--header-accent);
    text-decoration: none;
    transition: var(--header-transition);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.breadcrumb-item a:hover {
    color: var(--header-accent-dark);
    text-decoration: underline;
}

.breadcrumb-item.active {
    color: var(--header-text);
    font-weight: 500;
}

/* 5.18 Skip Links */
.skip-links {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 99999;
    overflow: visible;
}

.skip-link {
    position: absolute;
    top: -1000px;
    left: 50%;
    transform: translateX(-50%);
    padding: 12px 24px;
    background: var(--header-accent);
    color: #ffffff;
    text-decoration: none;
    border-radius: 0 0 8px 8px;
    font-weight: 600;
    transition: var(--header-transition);
    white-space: nowrap;
}

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

/* ============================================
   6. HERO SECTION
   ============================================ */
.hero-section {
    position: relative;
    padding: 120px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    overflow: hidden;
}

.hero-section .hero-title {
    font-size: 4rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.hero-section .hero-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin-bottom: var(--spacing-lg);
}

.hero-section .hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ============================================
   7. POSTS & PAGES
   ============================================ */
.post {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--gray-light);
}

.post:last-child {
    border-bottom: none;
}

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

.post-title a {
    color: var(--dark-color);
    text-decoration: none;
}

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

.post-meta {
    font-size: var(--font-size-small);
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

.post-thumbnail {
    margin-bottom: var(--spacing-md);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.post-thumbnail img {
    width: 100%;
    height: auto;
    transition: var(--transition);
}

.post-thumbnail:hover img {
    transform: scale(1.02);
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.grid-item {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.grid-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-lg);
}

.post-thumbnail-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
}

.post-thumbnail-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.grid-item:hover .post-thumbnail-wrapper img {
    transform: scale(1.05);
}

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

.cat-label {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
}

.entry-title {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
}

.entry-summary {
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

/* ============================================
   8. WIDGETS
   ============================================ */
.widget-area {
    padding: var(--spacing-lg);
    background: var(--gray-light);
    border-radius: var(--border-radius);
}

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

.widget:last-child {
    margin-bottom: 0;
}

.widget-title {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--primary-color);
}

.widget ul {
    list-style: none;
    padding: 0;
}

.widget ul li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.widget ul li:last-child {
    border-bottom: none;
}

.widget ul li a {
    color: var(--dark-color);
    text-decoration: none;
}

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

/* ============================================
   9. FOOTER
   ============================================ */
.site-footer {
    background: var(--dark-color);
    color: var(--white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

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

.footer-widget {
    color: rgba(255, 255, 255, 0.7);
}

.footer-widget a {
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-widget .widget-title {
    color: var(--white);
    border-bottom-color: var(--primary-color);
}

.site-info {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-size-small);
}

/* ============================================
   10. FORMS
   ============================================ */
input,
textarea,
select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-light);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: var(--font-size-medium);
    transition: var(--transition);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* ============================================
   11. COMMENTS
   ============================================ */
.comments-area {
    margin-top: var(--spacing-xl);
}

.comment-list {
    list-style: none;
    padding: 0;
}

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

.comment-meta {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.comment-author-avatar {
    margin-right: var(--spacing-md);
}

.comment-author-avatar img {
    border-radius: 50%;
    width: 50px;
    height: 50px;
}

.comment-reply-link {
    display: inline-block;
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-small);
}

/* ============================================
   12. PAGINATION
   ============================================ */
.pagination {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border: 1px solid var(--gray-light);
    border-radius: var(--border-radius);
    color: var(--dark-color);
    text-decoration: none;
    transition: var(--transition);
}

.page-numbers.current {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.page-numbers:hover:not(.current) {
    background: var(--gray-light);
}

/* ============================================
   13. WORDPRESS CORE
   ============================================ */
.alignleft {
    float: left;
    margin-right: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.alignright {
    float: right;
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.aligncenter {
    clear: both;
    display: block;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-md);
}

.wp-caption {
    max-width: 100%;
    margin-bottom: var(--spacing-md);
}

.wp-caption-text {
    font-size: var(--font-size-small);
    color: var(--secondary-color);
    text-align: center;
    margin-top: var(--spacing-sm);
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.gallery-item {
    overflow: hidden;
    border-radius: var(--border-radius);
}

.gallery-caption {
    font-size: var(--font-size-small);
    padding: var(--spacing-sm);
    text-align: center;
    color: var(--secondary-color);
}

/* ============================================
   14. UTILITIES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }
.mt-5 { margin-top: var(--spacing-xxl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }
.mb-5 { margin-bottom: var(--spacing-xxl); }

.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }
.p-5 { padding: var(--spacing-xxl); }

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

.bg-light { background: var(--gray-light); }
.bg-dark { background: var(--dark-color); color: var(--white); }
.bg-primary { background: var(--primary-color); color: var(--white); }

/* ============================================
   15. RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 992px) {
    .header-inner {
        min-height: 70px;
        gap: 16px;
    }

    .site-logo img {
        max-height: 40px;
    }

    .site-title {
        font-size: 1.3rem;
    }

    .main-menu > li > a {
        padding: 8px 14px;
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }

    .header-inner {
        min-height: var(--header-height-mobile);
        gap: 12px;
    }

    .site-branding {
        max-width: 200px;
        margin-right: auto;
    }

    .site-logo img {
        max-height: 36px;
    }

    .site-title {
        font-size: 1.2rem;
    }

    /* Mobile Navigation */
    .main-navigation {
        flex: 0 0 auto;
        order: 3;
    }

    .menu-wrapper {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 400px;
        height: 100vh;
        height: 100dvh;
        background: var(--glass-bg);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        padding: 80px 24px 30px;
        overflow-y: auto;
        overflow-x: hidden;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 999;
        display: block;
        border-left: 1px solid var(--glass-border);
        box-shadow: var(--glass-shadow);
    }

    .menu-wrapper.active {
        right: 0;
    }

    .main-menu {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        width: 100%;
    }

    .main-menu > li {
        width: 100%;
        border-bottom: 1px solid var(--header-border);
    }

    .main-menu > li:last-child {
        border-bottom: none;
    }

    .main-menu > li > a {
        padding: 14px 16px;
        width: 100%;
        font-size: 1rem;
        justify-content: flex-start;
        border-radius: 0;
    }

    .main-menu > li.current-menu-item > a::after {
        bottom: 0;
        height: 2px;
        width: 40px;
    }

    .main-menu .sub-menu {
        position: static;
        backdrop-filter: none;
        background: transparent;
        box-shadow: none;
        border: none;
        border-radius: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        padding: 0;
        margin: 0 0 0 16px;
        display: none;
    }

    .main-menu .sub-menu.open {
        display: block;
    }

    .main-menu .sub-menu li {
        border-radius: 0;
    }

    .main-menu .sub-menu li a {
        padding: 10px 16px;
        font-size: 0.95rem;
        border-radius: 0;
    }

    .main-menu .sub-menu li a:hover {
        transform: translateX(4px);
    }

    .menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        opacity: 0;
        visibility: hidden;
        transition: var(--header-transition);
        z-index: 998;
    }

    .menu-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    .menu-toggle {
        display: flex;
        order: 4;
    }

    .mobile-menu-footer {
        margin-top: 24px;
        padding-top: 24px;
        border-top: 1px solid var(--header-border);
    }

    .mobile-cta {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 14px 24px;
        border-radius: 8px;
        font-weight: 600;
        font-size: 1rem;
        text-decoration: none;
        transition: var(--header-transition);
        width: 100%;
    }

    .mobile-cta.button-primary {
        background: linear-gradient(135deg, var(--header-accent), var(--header-accent-dark));
        color: #ffffff;
    }

    .header-actions {
        gap: 2px;
    }

    .header-actions .search-toggle {
        display: none;
    }

    .header-actions .header-cta {
        display: none;
    }

    .theme-toggle {
        width: 40px;
        height: 40px;
        order: 5;
    }

    .hero-section .hero-title {
        font-size: 2.5rem;
    }

    .posts-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .footer-widgets {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .header-inner {
        min-height: 56px;
        gap: 8px;
    }

    .site-branding {
        max-width: 150px;
    }

    .site-logo img {
        max-height: 30px;
    }

    .site-title {
        font-size: 1rem;
    }

    .search-toggle,
    .theme-toggle {
        width: 36px;
        height: 36px;
    }

    .header-cart {
        width: 36px;
        height: 36px;
    }

    .menu-toggle {
        width: 36px;
        height: 36px;
    }

    .hamburger {
        width: 20px;
        height: 15px;
    }

    .cart-count {
        min-width: 16px;
        height: 16px;
        font-size: 0.55rem;
    }

    .menu-wrapper {
        padding: 64px 16px 20px;
        width: 100%;
        max-width: 100%;
    }

    .hero-section .hero-title {
        font-size: 2rem;
    }

    .hero-section .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-section .hero-buttons .btn {
        width: 100%;
        text-align: center;
    }
}

/* ============================================
   16. DARK MODE
   ============================================ */
[data-theme="dark"] {
    --header-bg: rgba(15, 23, 42, 0.95);
    --header-text: #e2e8f0;
    --header-border: rgba(255, 255, 255, 0.06);
    --header-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    --glass-bg: rgba(30, 41, 59, 0.8);
    --glass-border: rgba(255, 255, 255, 0.05);
    --gray-light: #1e293b;
    --dark-color: #e2e8f0;
    --white: #0f172a;
}

[data-theme="dark"] body {
    background: #0f172a;
    color: #e2e8f0;
}

[data-theme="dark"] .site-header {
    background: var(--header-bg);
    border-bottom-color: var(--header-border);
}

[data-theme="dark"] .site-title a,
[data-theme="dark"] .main-menu > li > a,
[data-theme="dark"] .search-toggle,
[data-theme="dark"] .header-cart {
    color: var(--header-text);
}

[data-theme="dark"] .main-menu > li > a:hover {
    background: rgba(99, 102, 241, 0.12);
}

[data-theme="dark"] .main-menu .sub-menu {
    background: var(--glass-bg);
}

[data-theme="dark"] .menu-wrapper {
    background: var(--glass-bg);
}

[data-theme="dark"] .grid-item {
    background: #1e293b;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .breadcrumbs-wrapper {
    background: var(--header-bg);
    border-bottom-color: var(--header-border);
}

[data-theme="dark"] .breadcrumb-item.active {
    color: #94a3b8;
}

[data-theme="dark"] .widget-area {
    background: #1e293b;
}

[data-theme="dark"] .post {
    border-bottom-color: #1e293b;
}

[data-theme="dark"] .comment {
    background: #1e293b;
}

[data-theme="dark"] .page-numbers {
    border-color: #1e293b;
    color: #e2e8f0;
}

[data-theme="dark"] .page-numbers:hover:not(.current) {
    background: #1e293b;
}

/* ============================================
   17. ACCESSIBILITY
   ============================================ */
@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;
    }
}

@media (prefers-contrast: high) {
    :root {
        --primary-color: #0000ff;
        --primary-dark: #000099;
        --secondary-color: #000000;
        --dark-color: #000000;
        --light-color: #ffffff;
    }
    
    a {
        text-decoration: underline;
    }
    
    .btn-primary {
        color: #ffffff;
    }
}

:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ============================================
   18. PRINT STYLES
   ============================================ */
@media print {
    .site-header {
        position: static !important;
        box-shadow: none !important;
        background: #ffffff !important;
        border-bottom: 1px solid #ddd !important;
        backdrop-filter: none !important;
    }

    .header-actions,
    .menu-toggle,
    .search-overlay,
    .announcement-bar,
    .skip-links,
    .breadcrumbs-wrapper,
    .menu-overlay {
        display: none !important;
    }

    .menu-wrapper {
        display: block !important;
        position: static !important;
        padding: 0 !important;
        background: none !important;
        height: auto !important;
        overflow: visible !important;
        backdrop-filter: none !important;
    }

    .main-menu {
        display: flex !important;
        gap: 15px !important;
        flex-wrap: wrap !important;
    }

    .main-menu .sub-menu {
        display: none !important;
    }

    .site-footer {
        background: #ffffff !important;
        color: #000000 !important;
        padding: 20px 0 !important;
    }

    .container {
        max-width: 100% !important;
        padding: 0 !important;
    }
}