/*
Theme Name: Cybersecurity Training
Theme URI: https://example.com
Author: Ork
Author URI: https://github.com
Description: A custom theme for selling cybersecurity courses.
Version: 1.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: cybersecurity-training
*/

:root {
    --bg-color: #ffffff;
    --text-color: #333333;
    --header-bg: #ffffff;
    --header-border: #eaeaea;
    --hero-bg: #f9f9f9;
    --card-bg: #ffffff;
    --card-border: #eaeaea;
    --accent-color: #d32f2f;
    --accent-hover: #b71c1c;
    --secondary-text: #666666;
    --shadow-color: rgba(0,0,0,0.02);
}

[data-theme="dark"] {
    --bg-color: #0d1117;
    --text-color: #c9d1d9;
    --header-bg: #161b22;
    --header-border: #30363d;
    --hero-bg: #010409;
    --card-bg: #161b22;
    --card-border: #30363d;
    --accent-color: #58a6ff; /* Cyber blue for dark mode */
    --accent-hover: #1f6feb;
    --secondary-text: #8b949e;
    --shadow-color: rgba(0,0,0,0.5);
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-hover);
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

.site-header {
    background-color: var(--header-bg);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.top-bar {
    background-color: #303030;
    color: #ffffff;
    font-size: 0.85rem;
}

.top-bar a {
    color: #ffffff;
}

.top-bar a:hover {
    color: #3b82f6;
}

.top-bar .container {
    max-width: 100%;
    padding-left: 5px;
    padding-right: 5px;
}

.top-bar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 16px 0;
    flex-wrap: wrap;
}

.top-bar__contact {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
    align-items: center;
}

.top-bar__item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.top-bar__label {
    font-weight: 700;
}

.top-bar__social {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.top-bar__icons {
    display: flex;
    align-items: center;
    gap: 10px;
}

.top-bar__icon {
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.top-bar__icon svg {
    width: 16px;
    height: 16px;
}

.footer-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.theme-toggle,
.lang-toggle {
    background: transparent;
    border: 1px solid var(--card-border);
    color: var(--text-color);
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: color 0.3s ease, border-color 0.3s ease, background-color 0.3s ease;
}

.theme-toggle:hover,
.lang-toggle:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.nav-bar {
    background-color: var(--header-bg);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    padding: 0;
}

.nav-bar .container {
    max-width: 100%;
    padding: 0 32px;
}

.site-branding {
    text-align: left;
    margin-bottom: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 80px;
}

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

.site-logo img {
    display: block;
    width: 80px;
    height: auto;
}

.site-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-color);
    margin: 0;
    letter-spacing: -0.5px;
}

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

.site-description {
    color: var(--secondary-text);
    margin-top: 0;
    font-size: 0.9rem;
    display: none; /* Hide description for cleaner look */
}

.main-navigation {
    margin-left: auto;
}

.main-navigation ul {
    list-style: none;
    padding: 0;
    display: flex;
    gap: 32px;
    margin: 0;
    font-weight: 700;
    font-size: 0.875rem;
    letter-spacing: 0.025em;
    text-transform: uppercase;
}

.main-navigation a {
    color: #6b7280;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.875rem;
}

.main-navigation a:hover {
    color: #3b82f6;
}

.language-switcher {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.main-navigation .language-switcher__link {
    border: 1px solid var(--card-border);
    border-radius: 4px;
    padding: 4px 7px;
    font-size: 0.75rem;
    line-height: 1;
}

.main-navigation .language-switcher__link.is-active {
    border-color: #3b82f6;
    color: #3b82f6;
}

.hero {
    text-align: left;
    padding: 80px 0;
    background-color: var(--hero-bg);
    border-bottom: none;
    color: var(--text-color);
    transition: background-color 0.3s ease;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    text-shadow: none;
    font-weight: 800;
    color: var(--text-color);
}

.hero p {
    font-size: 1.2rem;
    color: var(--secondary-text);
    max-width: 600px;
    margin-bottom: 30px;
}

.button {
    display: inline-block;
    background-color: var(--accent-color);
    color: #ffffff;
    padding: 12px 30px;
    border-radius: 4px;
    font-weight: 600;
    margin-top: 10px;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.button:hover {
    background-color: var(--accent-hover);
    color: #ffffff;
}

section {
    padding: 80px 0;
}

h2 {
    text-align: left;
    color: var(--text-color);
    margin-bottom: 50px;
    font-size: 2.2rem;
    font-weight: 700;
    position: relative;
}

h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--accent-color);
    margin-top: 15px;
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 40px;
}

.course-grid--centered {
    grid-template-columns: repeat(auto-fit, minmax(300px, 380px));
    justify-content: center;
}

.course-carousel {
    position: relative;
    display: flex;
    align-items: center;
    gap: 20px;
    max-width: 100%;
    width: 100%;
}

.course-carousel-viewport {
    overflow: hidden;
    width: 100%;
    flex: 1 1 auto;
    min-width: 0;
}

.course-carousel .course-grid {
    display: flex;
    flex-wrap: nowrap;
    gap: 30px;
    transition: transform 0.4s ease;
    will-change: transform;
}

.course-carousel .course-card {
    flex: 0 0 calc((100% - 60px) / 3);
    max-width: calc((100% - 60px) / 3);
    box-sizing: border-box;
}

.carousel-nav {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--card-border);
    background-color: var(--card-bg);
    color: var(--text-color);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    cursor: pointer;
    transition: border-color 0.3s ease, color 0.3s ease, background-color 0.3s ease;
}

.carousel-nav:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.carousel-nav:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.course-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 30px;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
    display: flex;
    flex-direction: column;
}

.course-card:hover {
    transform: translateY(-5px);
    border-color: var(--card-border);
    box-shadow: 0 10px 30px var(--shadow-color);
}

.course-card h3 {
    color: var(--text-color);
    margin-top: 0;
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.course-card p {
    color: var(--secondary-text);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 25px;
}

.course-card .button {
    align-self: center;
    margin-top: auto;
}

.course-card-footer {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

footer {
    background-color: var(--hero-bg);
    text-align: left;
    padding: 60px 0;
    margin-top: 0;
    border-top: 1px solid var(--header-border);
    color: var(--secondary-text);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

footer p {
    margin: 0;
}

/* Course Details Page */
.course-header-bg {
    background-color: var(--hero-bg);
    padding: 40px 0;
    color: var(--text-color);
}

.course-header {
    max-width: 800px; /* Leave room for sidebar */
}

.breadcrumbs {
    font-size: 0.9rem;
    color: var(--accent-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.course-title {
    font-size: 2.5rem;
    margin: 0 0 15px 0;
    line-height: 1.2;
}

.course-short-desc {
    font-size: 1.1rem;
    margin-bottom: 20px;
    max-width: 700px;
}

.course-meta {
    display: flex;
    gap: 15px;
    font-size: 0.9rem;
    align-items: center;
    flex-wrap: wrap;
}

.badge-bestseller {
    background-color: #f1c40f;
    color: #000;
    padding: 3px 8px;
    border-radius: 3px;
    font-weight: bold;
    font-size: 0.8rem;
}

.course-layout {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    margin-bottom: 60px;
    position: relative;
}

.course-main {
    flex: 2;
}

.course-sidebar {
    flex: 1;
}

.what-you-learn {
    border: 1px solid var(--card-border);
    padding: 25px;
    border-radius: 8px;
    margin-bottom: 40px;
    background-color: var(--card-bg);
}

.what-you-learn h2 {
    margin-top: 0;
    font-size: 1.5rem;
}

.what-you-learn ul {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.what-you-learn li {
    font-size: 0.95rem;
    color: var(--text-color);
}

.course-content-list, .course-description, .course-requirements {
    margin-bottom: 40px;
}

.modules-list {
    border: 1px solid var(--card-border);
    border-radius: 8px;
    overflow: hidden;
}

.module-item {
    padding: 15px 20px;
    border-bottom: 1px solid var(--card-border);
    display: flex;
    justify-content: space-between;
    background-color: var(--card-bg);
    align-items: center;
}

.module-item:last-child {
    border-bottom: none;
}

.module-title {
    font-weight: 600;
}

.module-meta {
    font-size: 0.85rem;
    color: var(--secondary-text);
}

/* Sidebar Card */
.sidebar-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 25px; /* Increased padding */
    border-radius: 8px;
    box-shadow: 0 5px 15px var(--shadow-color);
    position: sticky;
    top: 20px;
}

.price-section {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 20px;
}

.current-price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-color);
}

.original-price {
    text-decoration: line-through;
    color: var(--secondary-text);
}

.discount {
    color: var(--accent-color);
    font-weight: bold;
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
    margin-bottom: 10px;
    padding: 15px; /* Larger buttons */
    font-size: 1.1rem;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #fff;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--text-color);
    color: var(--text-color);
}

.btn-outline:hover {
    background-color: var(--card-border);
    color: var(--text-color);
}

.guarantee {
    text-align: center;
    font-size: 0.8rem;
    color: var(--secondary-text);
    margin-bottom: 20px;
}

.includes-section h3 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

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

.includes-section li {
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--secondary-text);
    display: flex;
    align-items: center;
}

.includes-section li::before {
    content: '•';
    margin-right: 10px;
    color: var(--accent-color);
}

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

/* Tablet and below */
@media (max-width: 992px) {
    .container {
        padding: 0 15px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    section {
        padding: 60px 0;
    }
    
    .course-grid {
        gap: 25px;
    }

    .course-carousel {
        gap: 12px;
    }

    .course-carousel .course-card {
        flex: 0 0 calc((100% - 25px) / 2);
        max-width: calc((100% - 25px) / 2);
    }
    
    .course-layout {
        gap: 30px;
    }
}

/* Mobile - Medium */
@media (max-width: 768px) {
    /* Header */
    .top-bar__inner {
        flex-direction: column;
        text-align: center;
    }

    .top-bar__contact,
    .top-bar__social {
        justify-content: center;
    }


    .site-branding {
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .site-title {
        font-size: 1.4rem;
        flex: 1;
    }
    
    /* Mobile Navigation */
    .main-navigation {
        order: 3;
        width: 100%;
        display: none;
    }
    
    .main-navigation.active {
        display: block;
    }
    
    .main-navigation ul {
        flex-direction: column;
        gap: 0;
        padding: 15px 0;
        border-top: 1px solid var(--card-border);
        margin-top: 15px;
    }
    
    .main-navigation li {
        border-bottom: 1px solid var(--card-border);
    }
    
    .main-navigation li:last-child {
        border-bottom: none;
    }
    
    .main-navigation a {
        display: block;
        padding: 12px 0;
        font-size: 1rem;
    }
    
    /* Hamburger Menu Button */
    .menu-toggle {
        display: flex;
        flex-direction: column;
        justify-content: space-around;
        width: 30px;
        height: 24px;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 0;
        z-index: 10;
    }
    
    .menu-toggle span {
        width: 100%;
        height: 3px;
        background-color: var(--text-color);
        border-radius: 2px;
        transition: all 0.3s ease;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    /* Hero Section */
    .hero {
        padding: 50px 0;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
        margin: 0 auto 25px;
    }
    
    /* Section Headers */
    h2 {
        font-size: 1.6rem;
        margin-bottom: 30px;
    }
    
    h2::after {
        margin: 15px auto 0;
    }
    
    section {
        padding: 50px 0;
    }
    
    /* Course Grid */
    .course-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .course-carousel {
        gap: 10px;
    }

    .course-carousel .course-card {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    .course-card {
        padding: 25px;
    }
    
    .course-card h3 {
        font-size: 1.2rem;
    }
    
    /* Course Layout (Details Page) */
    .course-layout {
        flex-direction: column;
    }
    
    .course-header-bg {
        padding: 30px 0;
    }
    
    .course-title {
        font-size: 1.8rem;
    }
    
    .course-short-desc {
        font-size: 1rem;
    }
    
    .course-meta {
        gap: 10px;
    }
    
    .what-you-learn ul {
        grid-template-columns: 1fr;
    }
    
    .what-you-learn {
        padding: 20px;
    }
    
    .sidebar-card {
        position: static;
        margin-bottom: 40px;
    }
    
    /* Filters */
    .filters {
        gap: 10px;
        justify-content: center;
    }
    
    .filter-btn {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
    
    /* Footer */
    footer {
        padding: 40px 0;
        text-align: center;
    }
    
    /* Buttons */
    .button {
        padding: 14px 24px;
        font-size: 1rem;
        width: 100%;
        text-align: center;
        box-sizing: border-box;
    }
    
    .course-card .button {
        width: auto;
    }
    
    /* Table of Contents */
    .course-toc {
        padding: 20px;
    }
    
    .toc-sub-item {
        padding-left: 20px;
    }
    
    /* Modules */
    .module-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
        padding: 12px 15px;
    }
}

/* Mobile - Small */
@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }
    
    /* Header */
    header {
        padding: 15px 0;
    }
    
    .site-title {
        font-size: 1.2rem;
    }
    
    /* Hero */
    .hero {
        padding: 40px 0;
    }
    
    .hero h1 {
        font-size: 1.7rem;
        line-height: 1.2;
    }
    
    .hero p {
        font-size: 0.95rem;
    }
    
    /* Sections */
    section {
        padding: 40px 0;
    }
    
    h2 {
        font-size: 1.4rem;
        margin-bottom: 25px;
    }
    
    /* Course Cards */
    .course-card {
        padding: 20px;
    }
    
    .course-card h3 {
        font-size: 1.1rem;
    }
    
    .course-card p {
        font-size: 0.9rem;
    }
    
    .course-price {
        font-size: 1.1rem;
    }
    
    /* Course Thumbnail Mobile */
    .course-thumbnail {
        margin: -20px -20px 15px -20px;
    }
    
    /* Course Details Page */
    .course-title {
        font-size: 1.5rem;
    }
    
    .breadcrumbs {
        font-size: 0.8rem;
    }
    
    .course-meta {
        font-size: 0.8rem;
        flex-direction: column;
        align-items: flex-start;
    }
    
    /* Sidebar */
    .sidebar-card {
        padding: 20px;
    }
    
    .current-price {
        font-size: 1.6rem;
    }
    
    .btn-block {
        padding: 12px;
        font-size: 1rem;
    }
    
    /* Filters */
    .filters {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-btn {
        text-align: center;
    }
    
    /* Footer */
    footer {
        padding: 30px 0;
    }
    
    footer p {
        font-size: 0.85rem;
    }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    .button, .filter-btn, .main-navigation a, .theme-toggle, .lang-toggle {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    
    .course-card {
        -webkit-tap-highlight-color: transparent;
    }
    
    .course-card:active {
        transform: scale(0.98);
    }
}

/* Hide hamburger on desktop */
@media (min-width: 769px) {
    .menu-toggle {
        display: none;
    }
}

/* Filters */
.filters {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    background: none;
    border: 1px solid var(--card-border);
    color: var(--text-color);
    padding: 8px 20px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
}

.badge-level {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--secondary-text);
    margin-bottom: 10px;
    border: 1px solid var(--card-border);
    padding: 2px 8px;
    border-radius: 4px;
}

/* Course Status Badges */
.badge-status {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 4px 10px;
    border-radius: 4px;
    font-weight: 600;
}

.badge-status-available {
    background-color: #27ae60;
    color: #fff;
}

.badge-status-coming_soon {
    background-color: #3498db;
    color: #fff;
}

.badge-status-in_progress {
    background-color: #f39c12;
    color: #000;
}

.badge-status-presale {
    background-color: #9b59b6;
    color: #fff;
}

/* Table of Contents */
.course-toc {
    border: 1px solid var(--card-border);
    padding: 25px;
    border-radius: 8px;
    margin-bottom: 40px;
    background-color: var(--card-bg);
}

.course-toc h2 {
    margin-top: 0;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.course-toc h2::after {
    display: none;
}

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

.toc-item {
    display: flex;
    align-items: flex-start;
    padding: 10px 0;
    border-bottom: 1px solid var(--card-border);
}

.toc-item:last-child {
    border-bottom: none;
}

.toc-main-item {
    padding-left: 0;
}

.toc-sub-item {
    padding-left: 30px;
}

.toc-bullet {
    margin-right: 12px;
    font-size: 0.8rem;
    color: var(--text-color);
    flex-shrink: 0;
    line-height: 1.6;
}

.toc-main-item .toc-bullet {
    color: var(--accent-color);
}

.toc-sub-item .toc-bullet {
    color: var(--secondary-text);
}

.toc-title {
    font-size: 0.95rem;
    color: var(--text-color);
    line-height: 1.5;
}

.toc-sub-item .toc-title {
    color: var(--secondary-text);
}

/* Course Audience Section */
.course-audience {
    margin-bottom: 40px;
    padding: 20px;
    background-color: var(--hero-bg);
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
}

.course-audience h2 {
    margin-top: 0;
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.course-audience h2::after {
    display: none;
}

.course-audience p {
    margin: 0;
    color: var(--secondary-text);
    line-height: 1.7;
}

/* Disabled Button */
.btn-disabled {
    background-color: var(--card-border);
    color: var(--secondary-text);
    cursor: not-allowed;
    opacity: 0.7;
}

.btn-disabled:hover {
    background-color: var(--card-border);
    color: var(--secondary-text);
}

/* Course Price on Cards */
.course-price {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-color);
    margin: 0;
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.course-price-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--secondary-text);
    font-weight: 600;
}

.course-price-value {
    font-size: 1.2rem;
}

.course-price-value .price-suffix {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--secondary-text);
}

.course-duration {
    margin: 0 0 14px;
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.course-duration-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--secondary-text);
    font-weight: 600;
}

.course-duration-value {
    color: var(--text-color);
    font-weight: 700;
    font-size: 0.95rem;
}

/* No Courses Message */
.no-courses {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: var(--secondary-text);
    font-size: 1.1rem;
}

/* Course Thumbnail */
.course-thumbnail {
    margin: -30px -30px 20px -30px;
    border-radius: 8px 8px 0 0;
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

.course-thumbnail img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

/* View All Courses */
.view-all-courses {
    text-align: center;
    margin-top: 40px;
}

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

.button-outline:hover {
    background-color: var(--accent-color);
    color: #fff;
}

/* Entry styles for index.php */
.site-main {
    padding: 40px 0;
}

.entry-header {
    margin-bottom: 15px;
}

.entry-title {
    font-size: 1.5rem;
    margin: 0;
}

.entry-title a {
    color: var(--text-color);
}

.entry-title a:hover {
    color: var(--accent-color);
}

.entry-content {
    color: var(--secondary-text);
    line-height: 1.6;
}

article.post {
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--card-border);
}

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

/* Single Course Draft Layout */
.single-cst_course .course-header-bg {
    background: #0f172a;
    color: #e2e8f0;
    padding: 56px 0 52px;
}

.single-cst_course .course-header {
    max-width: 980px;
}

.single-cst_course .breadcrumbs {
    color: #94a3b8;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.single-cst_course .course-title {
    color: #f8fafc;
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 14px;
}

.single-cst_course .course-short-desc {
    color: #cbd5e1;
    font-size: 1.08rem;
    max-width: 820px;
}

.single-cst_course .course-meta {
    margin-top: 22px;
    gap: 10px;
}

.single-cst_course .meta-pill {
    display: inline-flex;
    align-items: center;
    border: 1px solid rgba(148, 163, 184, 0.28);
    background: rgba(15, 23, 42, 0.35);
    color: #e2e8f0;
    border-radius: 999px;
    font-size: 0.83rem;
    padding: 6px 12px;
    line-height: 1;
}

.single-cst_course .badge-status {
    text-transform: none;
    letter-spacing: 0;
}

.single-cst_course .badge-bestseller {
    border-radius: 999px;
    padding: 6px 12px;
    font-size: 0.78rem;
}

.single-cst_course .course-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.65fr) minmax(300px, 1fr);
    gap: 36px;
    align-items: start;
    margin-top: -24px;
    margin-bottom: 70px;
}

.single-cst_course .course-main {
    display: grid;
    gap: 22px;
}

.single-cst_course .course-section {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    padding: 28px;
    box-shadow: 0 10px 30px var(--shadow-color);
}

.single-cst_course .course-section h2 {
    margin-top: 0;
    margin-bottom: 18px;
    font-size: 1.5rem;
}

.single-cst_course .course-section h2::after {
    display: none;
}

.single-cst_course .course-description p:first-child {
    font-size: 1.08rem;
    color: var(--text-color);
}

.single-cst_course .course-audience {
    border-left: 4px solid var(--accent-color);
    background: var(--hero-bg);
}

.single-cst_course .course-check-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 10px;
}

.single-cst_course .course-check-list li {
    position: relative;
    padding-left: 28px;
    color: var(--text-color);
}

.single-cst_course .course-check-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.48em;
    width: 12px;
    height: 12px;
    border-radius: 999px;
    border: 3px solid var(--accent-color);
    box-sizing: border-box;
}

.single-cst_course .course-benefits {
    background: #eff6ff;
    border-color: #bfdbfe;
}

.single-cst_course .course-toc .toc-list {
    display: grid;
    gap: 8px;
}

.single-cst_course .course-toc .toc-item {
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 12px 14px;
    background: var(--card-bg);
    margin: 0;
}

.single-cst_course .course-toc .toc-sub-item {
    margin-left: 22px;
}

.single-cst_course .course-sidebar {
    position: relative;
}

.single-cst_course .sidebar-card {
    border-radius: 14px;
    border: 1px solid var(--card-border);
    box-shadow: 0 16px 35px var(--shadow-color);
    padding: 28px;
    top: 22px;
}

.single-cst_course .offer-label {
    margin: 0 0 8px;
    font-size: 0.85rem;
    color: var(--secondary-text);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 700;
}

.single-cst_course .price-section {
    margin-bottom: 16px;
}

.single-cst_course .current-price {
    font-size: clamp(2rem, 3vw, 2.5rem);
}

.single-cst_course .offer-meta-list {
    border-top: 1px solid var(--card-border);
    border-bottom: 1px solid var(--card-border);
    padding: 14px 0;
    margin-bottom: 18px;
    display: grid;
    gap: 8px;
}

.single-cst_course .offer-meta-list p {
    margin: 0;
    display: flex;
    justify-content: space-between;
    gap: 10px;
    color: var(--secondary-text);
    font-size: 0.9rem;
}

.single-cst_course .offer-meta-list strong {
    color: var(--text-color);
    font-weight: 700;
}

.single-cst_course .btn-block {
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 700;
}

.single-cst_course .includes-section h3 {
    font-size: 1rem;
    margin: 0 0 10px;
}

.single-cst_course .includes-section li {
    color: var(--text-color);
}

.single-cst_course .course-mobile-cta {
    display: none;
}

body[data-theme="dark"].single-cst_course .course-header-bg,
html[data-theme="dark"] .single-cst_course .course-header-bg {
    background: #020617;
}

body[data-theme="dark"].single-cst_course .meta-pill,
html[data-theme="dark"] .single-cst_course .meta-pill {
    border-color: rgba(148, 163, 184, 0.35);
    background: rgba(2, 6, 23, 0.7);
    color: #cbd5e1;
}

body[data-theme="dark"].single-cst_course .course-benefits,
html[data-theme="dark"] .single-cst_course .course-benefits {
    background: #161b22;
    border-color: #30363d;
    border-left: 4px solid #58a6ff;
}

body[data-theme="dark"].single-cst_course .course-benefits h2,
html[data-theme="dark"] .single-cst_course .course-benefits h2 {
    color: #f0f6fc;
}

body[data-theme="dark"].single-cst_course .course-benefits .course-check-list li,
html[data-theme="dark"] .single-cst_course .course-benefits .course-check-list li {
    color: #c9d1d9;
}

body[data-theme="dark"].single-cst_course .course-benefits .course-check-list li::before,
html[data-theme="dark"] .single-cst_course .course-benefits .course-check-list li::before {
    border-color: #58a6ff;
}

body[data-theme="dark"].single-cst_course .course-mobile-cta,
html[data-theme="dark"] .single-cst_course .course-mobile-cta {
    background: rgba(13, 17, 23, 0.96);
    border-top-color: #30363d;
    box-shadow: 0 -8px 18px rgba(0, 0, 0, 0.55);
}

@media (max-width: 992px) {
    .single-cst_course .course-layout {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: -10px;
    }

    .single-cst_course .course-sidebar {
        order: -1;
    }

    .single-cst_course .sidebar-card {
        position: static;
        margin-bottom: 0;
    }
}

@media (max-width: 768px) {
    .single-cst_course {
        padding-bottom: 84px;
    }

    .single-cst_course .course-header-bg {
        padding: 38px 0 34px;
    }

    .single-cst_course .course-section {
        padding: 20px;
        border-radius: 12px;
    }

    .single-cst_course .course-section h2 {
        font-size: 1.25rem;
    }

    .single-cst_course .course-toc .toc-sub-item {
        margin-left: 12px;
    }

    .single-cst_course .course-mobile-cta {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 40;
        padding: 10px 12px;
        background: rgba(255, 255, 255, 0.95);
        border-top: 1px solid var(--card-border);
        box-shadow: 0 -8px 18px rgba(15, 23, 42, 0.12);
        display: block;
    }

    .single-cst_course .course-mobile-cta .button {
        margin: 0;
    }
}

/* Price suffix */
.price-suffix {
    font-size: 0.9rem;
    color: var(--secondary-text);
    font-weight: 400;
    align-self: flex-end;
    padding-bottom: 4px;
}

/* Contact Panel */
.cst-contact-panel {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--card-border);
}

.cst-contact-panel h4 {
    margin: 0 0 14px;
    font-size: 1rem;
    color: var(--text-color);
}

.cst-form-field {
    margin-bottom: 12px;
}

.cst-form-field label {
    display: block;
    font-size: 0.85rem;
    color: var(--secondary-text);
    margin-bottom: 4px;
    font-weight: 600;
}

.cst-form-field input,
.cst-form-field textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--card-border);
    border-radius: 8px;
    background: var(--bg-color);
    color: var(--text-color);
    font-size: 0.9rem;
    font-family: inherit;
    box-sizing: border-box;
    transition: border-color 0.2s;
}

.cst-form-field input:focus,
.cst-form-field textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.cst-form-status {
    text-align: center;
    font-size: 0.85rem;
    margin-top: 8px;
}

.cst-form-status.success {
    color: #16a34a;
}

.cst-form-status.error {
    color: var(--accent-color);
}