/*
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 for businesses and portfolios. Clean, fast, and fully customizable.
Version: 1.0.0
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
*/

/* Reset and Base Styles */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #3b82f6;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --gray-light: #f1f5f9;
    --gray: #94a3b8;
    --white: #ffffff;
    --black: #000000;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --border-radius: 8px;
    --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);
    --transition: all 0.3s ease;
    --container-width: 1200px;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white);
    overflow-x: hidden;
}

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 {
    list-style-position: inside;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    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: 1rem;
}

.lead {
    font-size: 1.25rem;
    color: var(--secondary-color);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-lg);
}

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

.btn-secondary:hover {
    background-color: var(--gray-light);
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.1rem;
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    height: var(--header-height);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

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

.site-logo {
    max-height: 50px;
    width: auto;
}

.site-title {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--dark-color);
    margin: 0;
}

.site-description {
    font-size: 0.9rem;
    color: var(--secondary-color);
    margin: 0;
}

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

.main-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-menu li {
    position: relative;
    margin-left: 2rem;
}

.main-menu a {
    color: var(--dark-color);
    font-weight: 500;
    padding: 0.5rem 0;
}

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

.main-menu .current-menu-item > a {
    color: var(--primary-color);
}

/* Dropdown Menu */
.main-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    min-width: 220px;
    box-shadow: var(--box-shadow-lg);
    border-radius: var(--border-radius);
    padding: 1rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
}

.main-menu li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.sub-menu li {
    margin: 0;
}

.sub-menu a {
    display: block;
    padding: 0.5rem 1.5rem;
    color: var(--dark-color);
}

.sub-menu a:hover {
    background-color: var(--gray-light);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark-color);
    cursor: pointer;
    padding: 0.5rem;
}

/* Hero Section */
.hero-section {
    padding: 8rem 0 6rem;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    margin-top: var(--header-height);
}

.hero-content {
    max-width: 800px;
    text-align: center;
    margin: 0 auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

/* Posts and Pages */
.site-main {
    padding: 4rem 0;
}

.post {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--gray-light);
}

.post-title {
    margin-bottom: 0.5rem;
}

.post-meta {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.post-thumbnail {
    margin-bottom: 1.5rem;
    border-radius: var(--border-radius);
    overflow: hidden;
}

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

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

.read-more {
    display: inline-block;
    margin-top: 1rem;
    font-weight: 600;
    color: var(--primary-color);
}

.read-more:hover {
    color: var(--primary-dark);
}

/* Widgets */
.widget-area {
    padding: 2rem;
    background-color: var(--gray-light);
    border-radius: var(--border-radius);
}

.widget {
    margin-bottom: 2rem;
}

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

.widget-title {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
}

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

.widget li {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

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

/* Footer */
.site-footer {
    background-color: var(--dark-color);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-widgets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-widget {
    color: #cbd5e1;
}

.footer-widget a {
    color: #cbd5e1;
}

.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: 2rem;
    border-top: 1px solid #334155;
    color: #94a3b8;
    font-size: 0.9rem;
}

/* Forms */
input, textarea, select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 3rem;
}

.page-numbers {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: 1px solid var(--gray-light);
    border-radius: var(--border-radius);
    color: var(--dark-color);
}

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

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

/* Comments */
.comments-area {
    margin-top: 3rem;
}

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

.comment {
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    background-color: var(--gray-light);
    border-radius: var(--border-radius);
}

.comment-meta {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.comment-author-avatar {
    margin-right: 1rem;
}

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

.comment-reply-link {
    display: inline-block;
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
    .header-container {
        flex-wrap: wrap;
    }
    
    .main-navigation {
        order: 3;
        width: 100%;
        margin-top: 1rem;
    }
    
    .main-menu {
        flex-direction: column;
        display: none;
    }
    
    .main-menu.active {
        display: flex;
    }
    
    .main-menu li {
        margin: 0;
        width: 100%;
    }
    
    .main-menu a {
        display: block;
        padding: 0.75rem 0;
        border-bottom: 1px solid var(--gray-light);
    }
    
    .menu-toggle {
        display: block;
    }
    
    .main-menu .sub-menu {
        position: static;
        box-shadow: none;
        padding-left: 1rem;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
    }
    
    .main-menu .menu-item-has-children.active > .sub-menu {
        display: block;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }
    
    .hero-section {
        padding: 6rem 0 4rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
}

/* Accessibility */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

.screen-reader-text:focus {
    background-color: #f1f1f1;
    border-radius: 3px;
    box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
    clip: auto !important;
    clip-path: none;
    color: #21759b;
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    height: auto;
    left: 5px;
    line-height: normal;
    padding: 15px 23px 14px;
    text-decoration: none;
    top: 5px;
    width: auto;
    z-index: 100000;
}

/* WordPress Core Classes */
.alignleft {
    float: left;
    margin-right: 1.5em;
    margin-bottom: 1.5em;
}

.alignright {
    float: right;
    margin-left: 1.5em;
    margin-bottom: 1.5em;
}

.aligncenter {
    clear: both;
    display: block;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 1.5em;
}

.wp-caption {
    max-width: 100%;
    margin-bottom: 1.5em;
}

.wp-caption-text {
    font-size: 0.875em;
    color: var(--secondary-color);
    text-align: center;
    margin-top: 0.5em;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

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

.gallery-caption {
    font-size: 0.875em;
    padding: 0.5em;
    text-align: center;
    color: var(--secondary-color);
}
/* Posts Grid Layout */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

/* Featured Sections */
.featured-sections {
    padding: 4rem 0;
    background-color: var(--light-color);
}

.featured-section {
    text-align: center;
    margin-bottom: 3rem;
}

.featured-section:last-child {
    margin-bottom: 0;
}

/* Latest Posts Section */
.latest-posts {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.view-all-posts {
    text-align: center;
    margin-top: 2rem;
}

/* Landing Page Styles */
.landing-page .landing-hero {
    position: relative;
    margin-bottom: 3rem;
}

.landing-page .hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.landing-page .entry-subtitle {
    font-size: 1.5rem;
    margin-top: 1rem;
    opacity: 0.9;
}

.landing-cta {
    padding: 4rem 0;
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    margin-top: 4rem;
}

.landing-cta .btn {
    margin-top: 2rem;
}

/* Portfolio Styles */
.portfolio-page .portfolio-filters {
    display: flex;
    gap: 1rem;
    margin: 2rem 0;
    flex-wrap: wrap;
    justify-content: center;
}

.portfolio-page .portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

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

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

.portfolio-thumbnail {
    height: 250px;
    overflow: hidden;
}

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

.portfolio-item:hover .portfolio-thumbnail img {
    transform: scale(1.05);
}

.portfolio-content {
    padding: 1.5rem;
}

.portfolio-title {
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.portfolio-categories {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.portfolio-category {
    background-color: var(--light-color);
    color: var(--secondary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.8rem;
}

.no-portfolio-items {
    text-align: center;
    padding: 3rem;
    color: var(--secondary-color);
}

/* Search Results */
.search-results-count {
    text-align: center;
    margin: 2rem 0;
    color: var(--secondary-color);
}

.search-results-count .count {
    font-weight: 700;
    color: var(--primary-color);
}

/* Comment Callback */
.comment-list .comment {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--light-color);
    border-radius: var(--border-radius);
}

.comment-list .children {
    margin-left: 2rem;
    margin-top: 1rem;
}

.comment-list .children .comment {
    background: rgba(255, 255, 255, 0.5);
}

.comment-respond {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--light-color);
    border-radius: var(--border-radius);
}

.comment-form {
    margin-top: 1.5rem;
}

.comment-form-author,
.comment-form-email,
.comment-form-url {
    width: calc(33.333% - 1rem);
    float: left;
    margin-right: 1rem;
}

.comment-form-url {
    margin-right: 0;
}

.comment-form-comment {
    clear: both;
}

@media (max-width: 768px) {
    .comment-form-author,
    .comment-form-email,
    .comment-form-url {
        width: 100%;
        float: none;
        margin-right: 0;
        margin-bottom: 1rem;
    }
}

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 2rem; }
.mt-4 { margin-top: 3rem; }
.mt-5 { margin-top: 4rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 2rem; }
.mb-4 { margin-bottom: 3rem; }
.mb-5 { margin-bottom: 4rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 2rem; }
.p-4 { padding: 3rem; }
.p-5 { padding: 4rem; }

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

/* Loading Animation */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

/* Smooth transitions */
* {
    scroll-margin-top: var(--header-height);
}

/* Focus styles for accessibility */
:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0000ff;
        --secondary-color: #000000;
        --dark-color: #000000;
        --light-color: #ffffff;
    }
    
    a {
        text-decoration: underline;
    }
}

/* Reduced motion */
@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;
    }
}