/*
Theme Name: ESOBOY
Theme URI: https://esoboy.com
Author: ESOBOY Team
Author URI: https://esoboy.com
Description: ESOBOY WordPress主题 - 基于awoo.ai设计风格，支持GEO解决方案、案例展示、白皮书和博客功能
Version: 1.0.0
Requires at least: 5.0
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: esoboy
Tags: custom-background, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready
*/

/* ========================================
   ESOBOY Theme - Main Stylesheet
   ======================================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #FF5F6E;
    --color-primary-dark: #E04B5A;
    --color-secondary: #4D4D4D;
    --color-text: #4D4D4D;
    --color-text-light: #737373;
    --color-text-muted: #8E969B;
    --color-white: #FFFFFF;
    --color-bg-light: #F3F5F7;
    --color-bg-grey: #D2D7DC;
    --color-border: #E5E5E5;
    --color-success: #28a745;
    --color-info: #17a2b8;
    --color-warning: #ffc107;
    --color-danger: #dc3545;
    
    /* Typography */
    --font-primary: 'Noto Sans TC', 'PingFang TC', 'Microsoft YaHei', sans-serif;
    --font-heading: 'Noto Sans TC', 'PingFang TC', 'Microsoft YaHei', sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 32px;
    --font-size-4xl: 40px;
    --font-size-5xl: 48px;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Border Radius */
    --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, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Container */
    --container-max-width: 1320px;
    --container-padding: 15px;
}

/* ========================================
   Reset & Base Styles
   ======================================== */

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    color: var(--color-secondary);
}

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-top: 0;
    margin-bottom: var(--spacing-md);
}

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

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

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

ul, ol {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
}

/* ========================================
   Layout
   ======================================== */

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

.container-fluid {
    width: 100%;
    padding: 0 var(--container-padding);
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 calc(var(--container-padding) * -1);
}

.col {
    flex: 1;
    padding: 0 var(--container-padding);
}

/* Grid System */
.col-12 { flex: 0 0 100%; max-width: 100%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }

@media (min-width: 576px) {
    .col-sm-6 { flex: 0 0 50%; max-width: 50%; }
    .col-sm-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
}

@media (min-width: 768px) {
    .col-md-6 { flex: 0 0 50%; max-width: 50%; }
    .col-md-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-md-3 { flex: 0 0 25%; max-width: 25%; }
    .col-md-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
}

@media (min-width: 992px) {
    .col-lg-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-lg-3 { flex: 0 0 25%; max-width: 25%; }
    .col-lg-6 { flex: 0 0 50%; max-width: 50%; }
    .col-lg-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
}

/* ========================================
   Header
   ======================================== */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
}

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

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

.site-logo a {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-secondary);
}

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

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

.nav-menu li {
    position: relative;
    margin: 0 var(--spacing-md);
}

.nav-menu > li > a {
    display: block;
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-secondary);
    transition: color var(--transition-base);
}

.nav-menu > li > a:hover,
.nav-menu > li.current-menu-item > a {
    color: var(--color-primary);
}

/* Dropdown Menu */
.nav-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    list-style: none;
    margin: 0;
    padding: var(--spacing-sm) 0;
}

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

.nav-menu .sub-menu li {
    margin: 0;
}

.nav-menu .sub-menu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

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

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 24px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--color-secondary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Header CTA Button */
.header-cta {
    margin-left: var(--spacing-lg);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-align: center;
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
}

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

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

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

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

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

/* ========================================
   Hero Section
   ======================================== */

.hero-section {
    position: relative;
    padding: 160px 0 80px;
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-white) 100%);
    overflow: hidden;
}

.hero-content {
    display: flex;
    align-items: center;
    min-height: 500px;
}

.hero-text {
    flex: 0 0 50%;
    max-width: 50%;
    padding-right: var(--spacing-3xl);
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    color: var(--color-secondary);
}

.hero-title span {
    color: var(--color-primary);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

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

.hero-image {
    flex: 0 0 50%;
    max-width: 50%;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
}

/* ========================================
   Section Styles
   ======================================== */

.section {
    padding: var(--spacing-4xl) 0;
}

.section-lg {
    padding: 100px 0;
}

.section-bg-light {
    background: var(--color-bg-light);
}

.section-bg-dark {
    background: var(--color-secondary);
    color: var(--color-white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   Card Styles
   ======================================== */

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

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.card-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.card:hover .card-image img {
    transform: scale(1.05);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-primary);
    background: rgba(255, 95, 110, 0.1);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

.card-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.card-title a {
    color: var(--color-secondary);
}

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

.card-excerpt {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ========================================
   Post List & Archive
   ======================================== */

.archive-header {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-white) 100%);
    text-align: center;
}

.archive-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.archive-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

@media (max-width: 991px) {
    .posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 575px) {
    .posts-grid {
        grid-template-columns: 1fr;
    }
}

/* Post List Card */
.post-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.post-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.post-card-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.post-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

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

.post-card-date {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.post-card-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.post-card-title a {
    color: var(--color-secondary);
}

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

.post-card-excerpt {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ========================================
   Single Post
   ======================================== */

.single-post-header {
    padding: 140px 0 60px;
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-white) 100%);
}

.single-post-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.single-post-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

.single-post-featured-image {
    max-width: 900px;
    margin: 0 auto var(--spacing-3xl);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.single-post-featured-image img {
    width: 100%;
    height: auto;
}

.single-post-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.single-post-content h2 {
    font-size: var(--font-size-2xl);
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
}

.single-post-content h3 {
    font-size: var(--font-size-xl);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.single-post-content p {
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.single-post-content img {
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
}

.single-post-content ul,
.single-post-content ol {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-xl);
}

.single-post-content li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
}

.single-post-content blockquote {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: var(--color-bg-light);
    border-left: 4px solid var(--color-primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
}

/* ========================================
   Case Studies
   ======================================== */

.case-card {
    position: relative;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.case-card-image {
    aspect-ratio: 4/3;
    overflow: hidden;
}

.case-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-card-content {
    padding: var(--spacing-lg);
}

.case-card-logo {
    width: 80px;
    height: 80px;
    margin-top: -60px;
    margin-bottom: var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    box-shadow: var(--shadow-md);
    position: relative;
}

.case-card-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.case-card-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.case-card-industry {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.case-card-stats {
    display: flex;
    gap: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.case-stat {
    text-align: center;
}

.case-stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
}

.case-stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Case Single */
.case-single-header {
    padding: 140px 0 60px;
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-white) 100%);
}

.case-single-content {
    max-width: 900px;
    margin: 0 auto;
}

.case-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.case-info-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.case-info-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.case-info-value {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-secondary);
}

/* ========================================
   Whitepaper
   ======================================== */

.whitepaper-card {
    display: flex;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.whitepaper-card:hover {
    box-shadow: var(--shadow-xl);
}

.whitepaper-card-image {
    flex: 0 0 200px;
    aspect-ratio: 3/4;
}

.whitepaper-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.whitepaper-card-content {
    flex: 1;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
}

.whitepaper-card-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.whitepaper-card-excerpt {
    flex: 1;
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.whitepaper-card-download {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-weight: 500;
    transition: all var(--transition-base);
}

.whitepaper-card-download:hover {
    background: var(--color-primary-dark);
    color: var(--color-white);
}

/* ========================================
   Blog
   ======================================== */

.blog-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-2xl);
}

@media (max-width: 991px) {
    .blog-layout {
        grid-template-columns: 1fr;
    }
}

.blog-sidebar {
    position: sticky;
    top: 100px;
}

.sidebar-widget {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

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

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

.widget-categories li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

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

.widget-categories a {
    display: flex;
    justify-content: space-between;
    color: var(--color-text);
}

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

/* ========================================
   Solution Page
   ======================================== */

.solution-hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--color-white);
    text-align: center;
}

.solution-hero-title {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

.solution-hero-description {
    font-size: var(--font-size-xl);
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto;
}

.solution-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

@media (max-width: 991px) {
    .solution-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 575px) {
    .solution-features {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, #FF8E53 100%);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    font-size: 36px;
}

.feature-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ========================================
   Technology Page
   ======================================== */

.tech-hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
    color: var(--color-white);
    text-align: center;
}

.tech-timeline {
    position: relative;
    padding: var(--spacing-2xl) 0;
}

.tech-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
    transform: translateX(-50%);
}

.tech-item {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-2xl);
}

.tech-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.tech-item-content {
    flex: 0 0 45%;
    padding: var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.tech-item-icon {
    flex: 0 0 10%;
    display: flex;
    justify-content: center;
}

.tech-item-icon span {
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: 700;
}

/* ========================================
   About Page
   ======================================== */

.about-hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-white) 100%);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-3xl);
}

@media (max-width: 991px) {
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

.stat-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
}

@media (max-width: 991px) {
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.team-member {
    text-align: center;
}

.team-member-image {
    width: 150px;
    height: 150px;
    margin: 0 auto var(--spacing-md);
    border-radius: 50%;
    overflow: hidden;
}

.team-member-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-member-name {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.team-member-position {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ========================================
   Contact Page
   ======================================== */

.contact-hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, var(--color-primary) 0%, #FF8E53 100%);
    color: var(--color-white);
    text-align: center;
}

.contact-hero-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.contact-hero-description {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.contact-form-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

@media (max-width: 991px) {
    .contact-form-wrapper {
        grid-template-columns: 1fr;
    }
}

.contact-form {
    background: var(--color-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

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

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--color-secondary);
}

.form-control {
    width: 100%;
    padding: var(--spacing-md);
    font-size: var(--font-size-base);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 95, 110, 0.1);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

.contact-info {
    padding: var(--spacing-2xl);
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.contact-info-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    font-size: 24px;
}

.contact-info-content h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
}

.contact-info-content p {
    color: var(--color-text-light);
    margin: 0;
}

/* ========================================
   Pagination
   ======================================== */

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-2xl);
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--spacing-sm);
    font-size: var(--font-size-base);
    border-radius: var(--radius-md);
    background: var(--color-white);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.pagination a:hover,
.pagination .current {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

/* ========================================
   Footer
   ======================================== */

.site-footer {
    background: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

@media (max-width: 991px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 575px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

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

.footer-brand img {
    max-height: 50px;
    margin-bottom: var(--spacing-md);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

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

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    transition: color var(--transition-base);
}

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

.footer-social {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-white);
    transition: all var(--transition-base);
}

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

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

/* ========================================
   Breadcrumb
   ======================================== */

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    padding: var(--spacing-md) 0;
    margin-bottom: var(--spacing-lg);
    list-style: none;
    background: none;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.breadcrumb-item + .breadcrumb-item::before {
    content: '/';
    padding: 0 var(--spacing-sm);
    color: var(--color-text-muted);
}

.breadcrumb-item a {
    color: var(--color-text-light);
}

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

.breadcrumb-item.active {
    color: var(--color-text);
}

/* ========================================
   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-text-muted); }

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

.mt-0 { margin-top: 0; }
.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-2xl); }

.mb-0 { margin-bottom: 0; }
.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-2xl); }

.py-5 { padding-top: var(--spacing-2xl); padding-bottom: var(--spacing-2xl); }

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

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

.w-100 { width: 100%; }
.h-100 { height: 100%; }

/* ========================================
   Responsive Styles
   ======================================== */

@media (max-width: 991px) {
    .hero-content {
        flex-direction: column;
    }
    
    .hero-text,
    .hero-image {
        flex: 0 0 100%;
        max-width: 100%;
        padding-right: 0;
    }
    
    .hero-image {
        margin-top: var(--spacing-2xl);
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        background: var(--color-white);
        padding: var(--spacing-lg);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-menu li {
        margin: 0;
        border-bottom: 1px solid var(--color-border);
    }
    
    .nav-menu a {
        padding: var(--spacing-md) 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .header-cta {
        display: none;
    }
}

@media (max-width: 575px) {
    .hero-section {
        padding: 120px 0 60px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .single-post-title {
        font-size: var(--font-size-2xl);
    }
    
    .single-post-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
    .site-header,
    .site-footer,
    .sidebar,
    .pagination {
        display: none;
    }
    
    .single-post-content {
        max-width: 100%;
    }
}