/* ==========================================================================
   Protech Systems E-Commerce Design System (site.css)
   ========================================================================== */

/* 1. Variables & Root Design System */
:root {
    --primary-color: #e53935; /* Red */
    --primary-color-hover: #c62828;
    --primary-color-light: #ffebee;
    --text-dark: #1a1a1a;
    --text-muted: #757575;
    --bg-light: #ffffff;
    --bg-gray: #f8f9fa;
    --border-color: #e0e0e0;
    --border-color-light: #f1f1f1;
    --success-green: #2e7d32;
    --success-green-light: #e8f5e9;
    --error-red: #c62828;
    --error-red-light: #ffebee;
    --warning-yellow: #f57f17;
    --gold: #ffb300;
    --box-shadow-soft: 0 4px 15px rgba(0, 0, 0, 0.05);
    --box-shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.08);
    --border-radius: 8px;
    --border-radius-large: 12px;
    --transition-speed: 0.25s;
    --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* 2. Global Resets */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    outline: none;
}

/* 3. Utility Classes & Layouts */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.bg-light-gray { background-color: var(--bg-gray); }
.text-red { color: var(--primary-color); }
.text-green { color: var(--success-green); }
.text-muted { color: var(--text-muted); }
.text-dark { color: var(--text-dark); }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.font-weight-bold { font-weight: 600; }
.margin-top-10 { margin-top: 10px; }
.margin-top-15 { margin-top: 15px; }
.margin-top-20 { margin-top: 20px; }
.margin-top-30 { margin-top: 30px; }
.margin-top-50 { margin-top: 50px; }
.margin-bottom-30 { margin-bottom: 30px; }
.margin-bottom-50 { margin-bottom: 50px; }
.rounded { border-radius: var(--border-radius); }
.shadow { box-shadow: var(--box-shadow-soft); }
.border { border: 1px solid var(--border-color); }
.padding-50 { padding: 50px; }

/* Grid Categories Background Utilities */
.bg-red-light { background-color: #ffebee; color: var(--primary-color); }
.bg-blue-light { background-color: #e3f2fd; color: #1e88e5; }
.bg-green-light { background-color: #e8f5e9; color: var(--success-green); }
.bg-orange-light { background-color: #fff3e0; color: #f57c00; }
.bg-purple-light { background-color: #f3e5f5; color: #8e24aa; }

/* 4. Common HTML elements styling */
.page-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 10px;
    position: relative;
    padding-bottom: 10px;
}
.page-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}
.text-center.page-title::after {
    left: 50%;
    transform: translateX(-50%);
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

/* Breadcrumb Navigation */
.breadcrumb-container {
    background-color: var(--bg-gray);
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color-light);
    font-size: 0.9rem;
}
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}
.breadcrumb li {
    display: flex;
    align-items: center;
    color: var(--text-muted);
}
.breadcrumb li a {
    color: var(--text-dark);
}
.breadcrumb li a:hover {
    color: var(--primary-color);
}
.breadcrumb li:not(:last-child)::after {
    content: '\f105';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin: 0 10px;
    font-size: 0.8rem;
    color: var(--text-muted);
}
.breadcrumb li:last-child {
    color: var(--primary-color);
    font-weight: 500;
}

/* 5. Header Styling */
.main-header {
    background-color: var(--bg-light);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 100;
}

/* Header Top Bar */
.header-top {
    background: #fdfbf7;
    color: #555;
    font-size: 0.8rem;
    padding: 6px 0;
    letter-spacing: 0.2px;
    border-bottom: 1px solid #eee;
}
.header-top-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.hotline-info {
    display: flex;
    align-items: center;
    gap: 6px;
}
.hotline-info i {
    font-size: 0.7rem;
    color: var(--primary-color);
}
.hotline-info a {
    color: #444;
    font-weight: 500;
    transition: color var(--transition-speed);
}
.hotline-info a:hover {
    color: var(--primary-color);
}
.header-top-divider {
    margin: 0 10px;
    opacity: 0.3;
    border-color: #ccc;
}
.header-top-links {
    display: flex;
    gap: 4px;
}
.header-top-links a {
    color: #555;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.78rem;
    transition: all var(--transition-speed);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.header-top-links a i {
    font-size: 0.7rem;
}
.header-top-links a:hover {
    color: var(--primary-color);
    background-color: rgba(0,0,0,0.05);
}

/* Header Middle Bar */
.header-middle {
    padding: 14px 0;
    border-bottom: 1px solid var(--border-color-light);
}
.header-middle-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 25px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    flex-shrink: 0;
}
.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), #ff6f61);
    color: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    box-shadow: 0 3px 10px rgba(229, 57, 53, 0.3);
}
.logo-text {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.1;
}
.logo-red { color: var(--primary-color); }
.logo-black { color: var(--text-dark); }

/* Search Bar */
.search-form {
    flex: 1;
    max-width: 520px;
}
.search-box {
    display: flex;
    border: 2px solid #e0e0e0;
    border-radius: 50px;
    overflow: hidden;
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
    background: var(--bg-gray);
}
.search-box:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.1);
    background: white;
}
.search-box input {
    flex: 1;
    border: none;
    padding: 10px 20px;
    font-size: 0.9rem;
    background: transparent;
    color: var(--text-dark);
}
.search-box input::placeholder {
    color: #9e9e9e;
}
.search-box button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    width: 44px;
    min-width: 44px;
    font-size: 0.95rem;
    cursor: pointer;
    transition: background var(--transition-speed);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0 50px 50px 0;
}
.search-box button:hover {
    background-color: var(--primary-color-hover);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-shrink: 0;
}

.support-hotline {
    display: flex;
    align-items: center;
    gap: 10px;
}
.hotline-icon {
    font-size: 1.6rem;
    color: var(--primary-color);
}
.hotline-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}
.hotline-text span {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.hotline-text strong {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-dark);
}

/* Shopping Cart Btn */
.cart-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--primary-color);
    color: white;
    padding: 9px 18px;
    border-radius: 50px;
    font-weight: 600;
    transition: all var(--transition-speed);
    box-shadow: 0 3px 10px rgba(229, 57, 53, 0.25);
}
.cart-btn:hover {
    background-color: var(--primary-color-hover);
    color: white;
    box-shadow: 0 5px 15px rgba(229, 57, 53, 0.35);
    transform: translateY(-1px);
}
.cart-icon-wrapper {
    position: relative;
    font-size: 1.05rem;
}
.cart-badge {
    position: absolute;
    top: -8px;
    right: -10px;
    background-color: white;
    color: var(--primary-color);
    font-size: 0.65rem;
    font-weight: 700;
    min-width: 16px;
    height: 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.cart-btn:hover .cart-badge {
    background-color: white;
    color: var(--primary-color);
}
.cart-text {
    font-size: 0.85rem;
}

/* Horizontal Main Menu */
.main-nav {
    background-color: var(--bg-light);
    border-bottom: 2px solid var(--border-color-light);
}
.nav-menu {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 2px;
}
.nav-menu li a {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.88rem;
    text-transform: uppercase;
    border-radius: 30px;
    transition: background-color var(--transition-speed), color var(--transition-speed);
    position: relative;
    border-bottom: none;
    text-decoration: none;
}
.nav-menu li a i {
    display: none; /* Hide icons in menu as requested */
}
.nav-menu li a:hover {
    color: var(--primary-color);
    background-color: rgba(229, 57, 53, 0.08);
}
.nav-menu li a.active {
    color: var(--primary-color);
    font-weight: 700;
    background-color: rgba(229, 57, 53, 0.12);
}

/* 6. Footer Styling */
.main-footer {
    background-color: #fdfbf7;
    color: #555;
    margin-top: 50px;
    font-size: 0.9rem;
    border-top: 1px solid #e0e0e0;
}
.footer-top-bar {
    padding: 60px 0;
    border-bottom: 1px solid #e0e0e0;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 35px;
}
.footer-col h3.footer-title {
    color: var(--text-dark);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 8px;
}
.footer-col h3.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--primary-color);
}
.footer-about-text {
    line-height: 1.6;
    margin-bottom: 20px;
    color: #666;
}
.footer-socials {
    display: flex;
    gap: 12px;
}
.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: #eee;
    color: #444;
    transition: background var(--transition-speed), transform var(--transition-speed), color var(--transition-speed);
}
.social-icon:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}
.footer-links li {
    margin-bottom: 10px;
}
.footer-links li a {
    color: #666;
    transition: padding-left var(--transition-speed), color var(--transition-speed);
}
.footer-links li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}
.footer-contact-info li {
    display: flex;
    gap: 12px;
    margin-bottom: 15px;
    color: #666;
}
.footer-contact-info li i {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-top: 3px;
}

.footer-bottom {
    padding: 25px 0;
    background-color: #f2efe9;
    color: #666;
    font-size: 0.85rem;
}
.footer-bottom-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}
.payment-methods {
    display: flex;
    gap: 12px;
    font-size: 1.5rem;
}

/* 7. Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    border-radius: var(--border-radius);
    padding: 10px 20px;
    cursor: pointer;
    transition: all var(--transition-speed);
    border: 1px solid transparent;
}
.btn-large {
    padding: 14px 30px;
    font-size: 1.05rem;
}
.btn-small {
    padding: 6px 15px;
    font-size: 0.85rem;
}
.btn-block {
    display: flex;
    width: 100%;
}
.btn-red {
    background-color: var(--primary-color);
    color: white;
}
.btn-red:hover {
    background-color: var(--primary-color-hover);
}
.btn-red-outline {
    background-color: transparent;
    border-color: var(--primary-color);
    color: var(--primary-color);
}
.btn-red-outline:hover {
    background-color: var(--primary-color);
    color: white;
}
.btn-white {
    background-color: white;
    color: var(--text-dark);
}
.btn-white:hover {
    background-color: var(--bg-gray);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}
.btn-gray {
    background-color: #e0e0e0;
    color: var(--text-dark);
}
.btn-gray:hover {
    background-color: #bdbdbd;
}

/* 8. Alert Banner Styles */
.alert {
    padding: 15px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
}
.alert-success {
    background-color: var(--success-green-light);
    color: var(--success-green);
    border: 1px solid rgba(46,125,50,0.2);
}
.alert-danger {
    background-color: var(--error-red-light);
    color: var(--error-red);
    border: 1px solid rgba(198,40,40,0.2);
}
.alert-close-btn {
    background: none;
    border: none;
    font-size: 1.3rem;
    font-weight: 700;
    color: inherit;
    cursor: pointer;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 1000;
}
.toast {
    background-color: var(--text-dark);
    color: white;
    padding: 12px 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-medium);
    margin-top: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideIn 0.3s ease-out forwards;
}
.toast i {
    color: #4caf50;
}
@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* 9. Hero Banner Slider Layout */
.hero-banner-section {
    position: relative;
    background-color: var(--text-dark);
}
.hero-slider {
    position: relative;
    height: 480px;
    overflow: hidden;
}
.hero-slider .slide {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}
.hero-slider .slide.active {
    opacity: 1;
}
.hero-content {
    color: white;
    max-width: 650px;
}
.hero-badge {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    padding: 6px 15px;
    border-radius: 50px;
    margin-bottom: 20px;
}
.hero-title {
    font-size: 3rem;
    line-height: 1.2;
    font-weight: 800;
    margin-bottom: 15px;
}
.hero-description {
    font-size: 1.1rem;
    color: #e0e0e0;
    margin-bottom: 30px;
}
.hero-actions {
    display: flex;
    gap: 15px;
}

/* 10. Home Category Circle grid */
.home-categories-section {
    padding: 50px 0;
}
.section-header {
    text-align: center;
    margin-bottom: 35px;
}
.section-title {
    font-size: 1.8rem;
    font-weight: 700;
}
.section-subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: 5px;
}
.categories-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 25px;
}
.category-card-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background-color: white;
    border: 1px solid var(--border-color-light);
    padding: 25px 15px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-soft);
    flex: 1 1 180px;
    max-width: 240px;
}
.category-card-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--box-shadow-medium);
}
.category-icon-circle {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 15px;
}
.category-card-name {
    font-size: 1rem;
    font-weight: 600;
}

/* 11. Home Promo Banners layout */
.home-promo-banner {
    padding: 40px 0;
}
.promo-banner-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}
.promo-banner-card {
    background-size: cover;
    background-position: center;
    padding: 50px;
    border-radius: var(--border-radius-large);
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    height: 250px;
}
.promo-banner-card h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 10px;
}
.promo-banner-card p {
    font-size: 0.95rem;
    margin-bottom: 20px;
    max-width: 300px;
    color: #e0e0e0;
}

/* 12. About Page Layout */
.about-hero {
    background-size: cover;
    background-position: center;
    height: 220px;
    border-radius: var(--border-radius-large);
    background-image: linear-gradient(135deg, rgba(229,57,53,0.95), rgba(26,26,26,0.9));
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin-bottom: 40px;
}
.about-hero-text {
    color: white;
}
.about-hero-text h1.page-title::after {
    display: none;
}
.about-hero-text .subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}
.about-intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 50px;
}
.about-intro-content h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
}
.about-intro-content p {
    margin-bottom: 15px;
    color: var(--text-muted);
}
.about-intro-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
}
.about-mission-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}
.mission-card {
    background-color: var(--bg-gray);
    padding: 35px 25px;
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid var(--border-color-light);
}
.mission-card .card-icon {
    font-size: 2.2rem;
    margin-bottom: 15px;
}
.mission-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 15px;
}
.mission-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Timeline developmental stretch */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}
.timeline::after {
    content: '';
    position: absolute;
    width: 4px;
    background-color: var(--border-color);
    top: 0; bottom: 0; left: 50%;
    margin-left: -2px;
}
.timeline-item {
    padding: 10px 40px;
    position: relative;
    background-color: inherit;
    width: 50%;
}
.timeline-item::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    right: -10px;
    background-color: white;
    border: 4px solid var(--primary-color);
    top: 15px;
    border-radius: 50%;
    z-index: 1;
}
.timeline-item:nth-child(even) {
    left: 50%;
}
.timeline-item:nth-child(even)::after {
    left: -10px;
}
.timeline-item:nth-child(odd) {
    left: 0;
}
.timeline-badge {
    position: absolute;
    top: 12px;
    font-weight: 800;
    color: var(--primary-color);
    font-size: 1.1rem;
}
.timeline-item:nth-child(odd) .timeline-badge {
    right: -70px;
}
.timeline-item:nth-child(even) .timeline-badge {
    left: -70px;
}
.timeline-panel {
    padding: 20px;
    background-color: var(--bg-gray);
    position: relative;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color-light);
}
.timeline-panel h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.timeline-panel p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* 13. Articles Page Grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 30px;
}
.article-card {
    background-color: white;
    border: 1px solid var(--border-color-light);
    border-radius: var(--border-radius-large);
    overflow: hidden;
    box-shadow: var(--box-shadow-soft);
    display: flex;
    flex-direction: column;
    height: 100%;
}
.article-card:hover {
    box-shadow: var(--box-shadow-medium);
}
.article-card-img img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}
.article-card-body {
    padding: 25px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.article-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}
.article-title {
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 12px;
}
.article-title a:hover {
    color: var(--primary-color);
}
.article-summary {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}
.btn-read-more {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-read-more:hover {
    color: var(--primary-color-hover);
}

/* Article detail page structure */
.article-detail-layout {
    display: grid;
    grid-template-columns: 8fr 4fr;
    gap: 40px;
    margin-top: 30px;
}
.article-main-content {
    background-color: white;
}
.article-meta-date {
    color: var(--text-muted);
    font-size: 0.85rem;
}
.article-detail-title {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.25;
    margin: 10px 0 20px;
}
.article-detail-summary {
    font-size: 1.15rem;
    font-weight: 500;
    color: #424242;
    border-left: 4px solid var(--primary-color);
    padding-left: 15px;
    margin-bottom: 25px;
    line-height: 1.6;
}
.article-banner-img {
    margin-bottom: 30px;
}
.article-banner-img img {
    width: 100%;
    max-height: 450px;
    object-fit: cover;
}
.article-body-content {
    font-size: 1.05rem;
    line-height: 1.8;
}
.article-body-content p {
    margin-bottom: 20px;
}
.article-body-content ul, .article-body-content ol {
    margin-left: 20px;
    margin-bottom: 20px;
}
.article-body-content li {
    margin-bottom: 8px;
}
.article-author-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background-color: var(--bg-gray);
    padding: 20px;
    border-radius: var(--border-radius);
    margin-top: 40px;
    border: 1px solid var(--border-color-light);
}
.author-avatar {
    width: 50px;
    height: 50px;
    background-color: #e0e0e0;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.5rem;
}
.author-info {
    display: flex;
    flex-direction: column;
}
.author-info strong {
    font-size: 1rem;
}
.author-info span {
    font-size: 0.85rem;
    color: var(--text-muted);
}
.article-sidebar {
    position: sticky;
    top: 120px;
    align-self: start;
}
.sidebar-widget {
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 25px;
    margin-bottom: 30px;
}
.widget-title {
    font-size: 1.2rem;
    font-weight: 700;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 8px;
    margin-bottom: 20px;
}
.recent-posts-list li {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color-light);
}
.recent-posts-list li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}
.recent-post-item {
    display: flex;
    gap: 12px;
}
.recent-post-thumb {
    width: 65px;
    height: 65px;
    object-fit: cover;
    border-radius: 4px;
}
.recent-post-details {
    flex: 1;
}
.recent-post-details h4 {
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 5px;
}
.recent-post-details h4:hover {
    color: var(--primary-color);
}
.recent-post-details span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* 14. Contact Page Layout & Forms */
.contact-grid {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 40px;
    margin-top: 30px;
}
.contact-section-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border-color-light);
}
.contact-info-list .info-item {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}
.contact-info-list .info-item i {
    font-size: 1.3rem;
    margin-top: 4px;
}
.contact-info-list .info-item strong {
    display: block;
    font-size: 0.95rem;
    margin-bottom: 3px;
}
.contact-info-list .info-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Forms general styling */
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 8px;
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: white;
    transition: border var(--transition-speed);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
}
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.form-card {
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-large);
    padding: 35px;
    box-shadow: var(--box-shadow-soft);
}
.form-narrow-container {
    max-width: 650px;
    margin: 0 auto;
}
.form-actions-row {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
}

/* 15. Recruitment Page Styles */
.recruitment-hero {
    background-size: cover;
    background-position: center;
    padding: 70px 50px;
    border-radius: var(--border-radius-large);
    color: white;
    min-height: 260px;
    display: flex;
    align-items: center;
}
.hero-inner h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 10px 0;
}
.hero-inner p {
    font-size: 1.05rem;
    max-width: 600px;
    opacity: 0.9;
}
.hero-tag {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 4px 12px;
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 50px;
}

/* Jobs Listings */
.jobs-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.job-item-card {
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 25px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--box-shadow-soft);
    transition: transform var(--transition-speed), border var(--transition-speed);
}
.job-item-card:hover {
    transform: translateY(-3px);
    border-color: var(--primary-color);
    box-shadow: var(--box-shadow-medium);
}
.job-card-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 10px;
}
.job-meta-row {
    display: flex;
    gap: 20px;
    font-size: 0.85rem;
    color: var(--text-muted);
}
.job-meta-row span i {
    color: var(--primary-color);
    margin-right: 5px;
}
.job-action-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
}
.job-deadline {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Job Detail view page */
.job-detail-layout {
    display: grid;
    grid-template-columns: 8fr 4fr;
    gap: 40px;
    margin-top: 30px;
}
.job-main-info {
    background-color: white;
}
.job-detail-meta-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    background-color: var(--bg-gray);
    padding: 20px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color-light);
    margin: 20px 0 35px;
}
.meta-item {
    display: flex;
    flex-direction: column;
    line-height: 1.4;
}
.meta-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}
.job-detail-section {
    margin-bottom: 35px;
}
.job-detail-section h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border-color-light);
}
.job-detail-section h3 i {
    margin-right: 8px;
}
.job-content-text p {
    margin-bottom: 10px;
    position: relative;
}
.job-sidebar-card {
    background-color: white;
    border: 1px solid var(--border-color);
    padding: 30px;
    border-radius: var(--border-radius-large);
    box-shadow: var(--box-shadow-soft);
    position: sticky;
    top: 120px;
    align-self: start;
}
.job-sidebar-card .card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 15px;
}
.job-sidebar-card .card-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 20px;
}
.card-deadline-info {
    background-color: var(--primary-color-light);
    color: var(--primary-color);
    padding: 12px 15px;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    line-height: 1.4;
}
.job-sidebar-card .divider {
    margin: 25px 0 20px;
    border: none;
    border-top: 1px solid var(--border-color-light);
}
.recruitment-contact-helper {
    display: flex;
    flex-direction: column;
    font-size: 0.85rem;
    color: var(--text-muted);
    gap: 5px;
}
.recruitment-contact-helper strong {
    color: var(--text-dark);
}

/* 16. Responsiveness (Mobile & Tablet) */
@media (max-width: 992px) {
    .header-middle-flex {
        flex-direction: column;
        gap: 15px;
    }
    .search-form {
        width: 100%;
        max-width: 100%;
    }
    .header-actions {
        width: 100%;
        justify-content: space-between;
    }
    .promo-banner-grid {
        grid-template-columns: 1fr;
    }
    .about-intro-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .about-mission-grid {
        grid-template-columns: 1fr;
    }
    .article-detail-layout,
    .job-detail-layout {
        grid-template-columns: 1fr;
    }
    .article-sidebar,
    .job-sidebar-card {
        position: static;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .timeline::after {
        left: 31px;
    }
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }
    .timeline-item::after {
        left: 21px;
        right: auto;
    }
    .timeline-item:nth-child(even) {
        left: 0;
    }
    .timeline-item:nth-child(odd) .timeline-badge,
    .timeline-item:nth-child(even) .timeline-badge {
        left: 80px;
        top: -15px;
    }
    .form-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .hero-title {
        font-size: 2.2rem;
    }
    .hero-slider {
        height: 380px;
    }
    .articles-grid {
        grid-template-columns: 1fr;
    }
    .job-item-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    .job-action-right {
        align-items: flex-start;
        width: 100%;
    }
    .job-action-right .btn {
        width: 100%;
        text-align: center;
    }
}