/**
 * Frontend Styles for Espiral Tech & Use Cases Hub
 *
 * @package Espiral_Tech_Usecases
 */

/* Container */
.etu-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.etu-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 60px 0;
    text-align: center;
}

.etu-title {
    font-size: 48px;
    font-weight: 700;
    margin: 0 0 20px;
    line-height: 1.2;
}

.etu-intro {
    font-size: 20px;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.95;
}

/* Main Content */
.etu-main-wrapper {
    padding: 60px 0;
    background: #fff;
}

.etu-content {
    margin-bottom: 40px;
}

.etu-content img {
    max-width: 100%;
    height: auto;
}

/* Layout with Sidebar - Override theme Electro styles */
.etu-layout-with-sidebar {
    display: flex !important;
    flex-wrap: wrap;
    gap: 30px;
    align-items: flex-start;
}

.etu-layout-with-sidebar #primary.content-area {
    flex: 1 1 0;
    min-width: 0;
    order: 2;
    width: auto !important;
}

/* Override Electro theme sidebar styles */
.etu-layout-with-sidebar #sidebar.sidebar,
.etu-layout-with-sidebar .etu-sidebar-wrapper {
    flex: 0 0 280px !important;
    width: 280px !important;
    max-width: 280px !important;
    order: 1;
    position: relative !important;
    left: auto !important;
    top: auto !important;
    height: auto !important;
    opacity: 1 !important;
    visibility: visible !important;
    overflow: visible !important;
    z-index: auto !important;
    background: transparent !important;
    box-shadow: none !important;
    padding-top: 0 !important;
    transition: none !important;
}

@media (min-width: 1200px) {
    .etu-layout-with-sidebar #sidebar.sidebar,
    .etu-layout-with-sidebar .etu-sidebar-wrapper {
        flex: 0 0 300px !important;
        width: 300px !important;
        max-width: 300px !important;
    }
}

@media (min-width: 1480px) {
    .etu-layout-with-sidebar #sidebar.sidebar,
    .etu-layout-with-sidebar .etu-sidebar-wrapper {
        flex: 0 0 320px !important;
        width: 320px !important;
        max-width: 320px !important;
    }
}

/* Sections */
.etu-section {
    padding: 60px 0;
    background: #f8f9fa;
}

.etu-section:nth-child(even) {
    background: #fff;
}

.etu-section-title {
    font-size: 32px;
    font-weight: 700;
    margin: 0 0 40px;
    text-align: center;
    color: #333;
}

/* Related Cards */
.etu-related-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.etu-card {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    overflow: hidden;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.etu-card:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.etu-card-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.etu-card-content {
    padding: 25px;
}

.etu-card-title {
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 15px;
    line-height: 1.3;
}

.etu-card-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.2s ease;
}

.etu-card-title a:hover {
    color: #667eea;
}

.etu-card-excerpt {
    color: #666;
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.etu-card-link {
    color: #667eea;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    display: inline-block;
    transition: color 0.2s ease;
}

.etu-card-link:hover {
    color: #764ba2;
}

/* Category Cards */
.etu-category-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

.etu-category-card {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    overflow: hidden;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.etu-category-card:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.etu-category-image img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
}

.etu-category-content {
    padding: 20px;
}

.etu-category-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 10px;
}

.etu-category-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.2s ease;
}

.etu-category-title a:hover {
    color: #667eea;
}

.etu-category-description {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 15px;
}

.etu-category-link {
    color: #667eea;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    display: inline-block;
    transition: color 0.2s ease;
}

.etu-category-link:hover {
    color: #764ba2;
}

/* Products Grid */
.etu-products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

.etu-product-card {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    overflow: hidden;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.etu-product-card:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.etu-product-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.etu-product-content {
    padding: 20px;
}

.etu-product-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 10px;
    line-height: 1.3;
}

.etu-product-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.2s ease;
}

.etu-product-title a:hover {
    color: #667eea;
}

.etu-product-price {
    color: #667eea;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
}

.etu-product-button {
    display: inline-block;
    padding: 10px 20px;
    background: #667eea;
    color: #fff;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.3s ease;
}

.etu-product-button:hover {
    background: #764ba2;
    color: #fff;
}

/* FAQ */
.etu-faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.etu-faq-item {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 20px;
}

.etu-faq-question {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

.etu-faq-answer {
    color: #666;
    font-size: 16px;
    line-height: 1.6;
}

/* Hub Styles */
.etu-hub {
    padding: 40px 0;
}

.etu-hub-search {
    max-width: 600px;
    margin: 0 auto 40px;
}

.etu-hub-search-input {
    width: 100%;
    padding: 15px 20px;
    font-size: 16px;
    border: 2px solid #e0e0e0;
    border-radius: 50px;
    outline: none;
    transition: border-color 0.3s ease;
}

.etu-hub-search-input:focus {
    border-color: #667eea;
}

.etu-hub-counters {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.etu-hub-counter {
    text-align: center;
    font-size: 18px;
    color: #666;
}

.etu-hub-counter strong {
    display: block;
    font-size: 48px;
    color: #667eea;
    font-weight: 700;
    margin-bottom: 5px;
}

.etu-hub-section {
    margin-bottom: 60px;
}

.etu-hub-section-title {
    font-size: 32px;
    font-weight: 700;
    margin: 0 0 30px;
    text-align: center;
    color: #333;
}

.etu-hub-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.etu-hub-card {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    overflow: hidden;
    transition: box-shadow 0.3s ease, transform 0.3s ease, opacity 0.3s ease;
}

.etu-hub-card.etu-hidden {
    display: none;
}

.etu-hub-card:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.etu-hub-card-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.etu-hub-card-content {
    padding: 20px;
}

.etu-hub-card-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 10px;
    line-height: 1.3;
}

.etu-hub-card-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.2s ease;
}

.etu-hub-card-title a:hover {
    color: #667eea;
}

.etu-hub-card-excerpt {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 15px;
}

.etu-hub-card-link {
    color: #667eea;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    display: inline-block;
    transition: color 0.2s ease;
}

.etu-hub-card-link:hover {
    color: #764ba2;
}

/* Sidebar Styles - ETU Plugin Specific */
.etu-layout-with-sidebar #sidebar.sidebar,
.etu-layout-with-sidebar .etu-sidebar-wrapper {
    position: sticky;
    top: 20px;
}

/* ETU Sidebar Component */
.etu-sidebar {
    width: 100%;
}

.etu-sidebar-widget {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.etu-sidebar-widget-title {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #667eea;
    color: #333;
}

.etu-sidebar-menu {
    margin: 0;
    padding: 0;
}

.etu-sidebar-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.etu-sidebar-menu ul li {
    margin: 0;
    padding: 0;
    border-bottom: 1px solid #f0f0f0;
}

.etu-sidebar-menu ul li:last-child {
    border-bottom: none;
}

.etu-sidebar-menu ul li a {
    display: block;
    padding: 10px 12px;
    color: #444;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s ease;
    border-radius: 4px;
}

.etu-sidebar-menu ul li a:hover {
    background: #f8f9fa;
    color: #667eea;
    padding-left: 16px;
}

.etu-sidebar-menu ul li.current-item a {
    background: #667eea;
    color: #fff;
    font-weight: 600;
}

.etu-sidebar-menu ul li.current-item a:hover {
    background: #5a6fd6;
    color: #fff;
    padding-left: 12px;
}

/* Sidebar Info Widget */
.etu-sidebar-info .etu-sidebar-content {
    font-size: 14px;
    line-height: 1.6;
    color: #666;
}

.etu-sidebar-info .etu-sidebar-content p {
    margin: 0 0 15px;
}

.etu-sidebar-button {
    display: block;
    width: 100%;
    padding: 12px 20px;
    background: #667eea;
    color: #fff !important;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none !important;
    text-align: center;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.etu-sidebar-button:hover {
    background: #5a6fd6;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

/* Legacy widget base styles - for widget areas */
.sidebar .widget {
    background: #fff;
    border: 1px solid #e5e5e5;
    padding: 20px;
    margin-bottom: 30px;
}

.sidebar .widget-title {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid #333;
    color: #333;
}

/* Widget Menu Navigation */
.etu-widget-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.etu-widget-menu ul li {
    margin: 0;
    padding: 0;
    border-bottom: 1px solid #e5e5e5;
}

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

.etu-widget-menu ul li a {
    display: block;
    padding: 10px 0;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 14px;
}

.etu-widget-menu ul li a:hover {
    color: #007bff;
    padding-left: 10px;
}

.etu-widget-menu ul li.current-menu-item a {
    color: #007bff;
    font-weight: 600;
}

/* Widget CTA */
.etu-widget-cta {
    text-align: center;
}

.etu-widget-cta-text {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
    color: #666;
}

.etu-widget-cta-button {
    display: inline-block;
    padding: 12px 24px;
    background: #007bff;
    color: #fff !important;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none !important;
    transition: all 0.3s ease;
    text-align: center;
}

.etu-widget-cta-button:hover {
    background: #0056b3;
    color: #fff !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 123, 255, 0.3);
}

/* Commercial CTA Styles */
.etu-cta-section {
    background: #f8f9fa;
    padding: 80px 0;
}

.etu-cta-commercial {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    padding: 60px 40px;
    text-align: center;
    color: #fff;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.etu-cta-title {
    font-size: 36px;
    font-weight: 700;
    margin: 0 0 20px;
    line-height: 1.2;
}

.etu-cta-description {
    font-size: 18px;
    line-height: 1.6;
    margin: 0 0 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
}

.etu-cta-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.etu-cta-button {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.etu-cta-button.primary {
    background: #fff;
    color: #667eea;
}

.etu-cta-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    color: #667eea;
}

.etu-cta-button.secondary {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.etu-cta-button.secondary:hover {
    background: #fff;
    color: #667eea;
}

/* ===========================================
   MOBILE SIDEBAR TOGGLE
   =========================================== */

/* Toggle Button - Only visible on mobile */
.etu-sidebar-toggle {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 1000;
    width: 56px;
    height: 56px;
    background: #667eea;
    color: #fff;
    border: none;
    border-radius: 50%;
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    align-items: center;
    justify-content: center;
}

.etu-sidebar-toggle:hover {
    background: #5a6fd6;
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.etu-sidebar-toggle:active {
    transform: scale(0.95);
}

.etu-sidebar-toggle svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.etu-sidebar-toggle .etu-toggle-close {
    display: none;
}

.etu-sidebar-open .etu-sidebar-toggle .etu-toggle-menu {
    display: none;
}

.etu-sidebar-open .etu-sidebar-toggle .etu-toggle-close {
    display: block;
}

/* Mobile Overlay */
.etu-sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.etu-sidebar-open .etu-sidebar-overlay {
    opacity: 1;
    visibility: visible;
}

/* Sidebar Header for Mobile */
.etu-sidebar-header {
    display: none;
    padding: 15px 20px;
    background: #667eea;
    color: #fff;
    margin: -20px -20px 20px -20px;
    border-radius: 0;
}

.etu-sidebar-header-title {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

.etu-sidebar-close {
    position: absolute;
    top: 12px;
    right: 15px;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}

.etu-sidebar-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.etu-sidebar-close svg {
    width: 18px;
    height: 18px;
}

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

@media (max-width: 991px) {
    /* Show toggle button */
    .etu-sidebar-toggle {
        display: flex;
    }

    .etu-sidebar-overlay {
        display: block;
    }

    /* Layout changes */
    .etu-layout-with-sidebar {
        flex-direction: column;
    }

    .etu-layout-with-sidebar #primary.content-area {
        order: 1;
        width: 100% !important;
    }

    /* Mobile Sidebar Styles */
    .etu-layout-with-sidebar #sidebar.sidebar,
    .etu-layout-with-sidebar .etu-sidebar-wrapper {
        position: fixed !important;
        top: 0 !important;
        left: -320px !important;
        width: 300px !important;
        max-width: 85vw !important;
        height: 100vh !important;
        background: #fff !important;
        z-index: 999 !important;
        overflow-y: auto !important;
        padding: 20px !important;
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15) !important;
        transition: left 0.3s ease !important;
        order: 0;
    }

    .etu-sidebar-open .etu-layout-with-sidebar #sidebar.sidebar,
    .etu-sidebar-open .etu-layout-with-sidebar .etu-sidebar-wrapper {
        left: 0 !important;
    }

    /* Show sidebar header on mobile */
    .etu-sidebar-header {
        display: block;
        position: relative;
    }

    /* Adjust sidebar widgets on mobile */
    .etu-sidebar-widget {
        border-radius: 0;
        border-left: none;
        border-right: none;
        margin-left: -20px;
        margin-right: -20px;
        padding-left: 20px;
        padding-right: 20px;
    }

    .etu-sidebar-widget:first-of-type {
        border-top: none;
        margin-top: -20px;
        padding-top: 20px;
    }
}

@media (max-width: 768px) {
    .etu-title {
        font-size: 32px;
    }

    .etu-intro {
        font-size: 16px;
    }

    .etu-section-title,
    .etu-hub-section-title {
        font-size: 24px;
    }

    .etu-related-cards,
    .etu-category-cards,
    .etu-products-grid,
    .etu-hub-grid {
        grid-template-columns: 1fr;
    }

    .etu-hero {
        padding: 40px 0;
    }

    .etu-section {
        padding: 40px 0;
    }

    .etu-hub-counter strong {
        font-size: 36px;
    }

    /* CTA responsive */
    .etu-cta-commercial {
        padding: 40px 20px;
    }

    .etu-cta-title {
        font-size: 28px;
    }

    .etu-cta-description {
        font-size: 16px;
    }

    .etu-cta-actions {
        flex-direction: column;
    }

    .etu-cta-button {
        width: 100%;
        max-width: 300px;
    }

    /* Sidebar toggle position */
    .etu-sidebar-toggle {
        bottom: 15px;
        left: 15px;
        width: 50px;
        height: 50px;
    }

    .etu-sidebar-toggle svg {
        width: 22px;
        height: 22px;
    }
}