/* mindstack/assets/css/courses.css */

/* --- Base Styles & Reset --- */
:root {
    --color-navy: #1F2D5A;
    --color-dark-blue: #1A2238; /* A slightly darker variation for text */
    --color-teal: #0ED2F7;
    --color-cyan: #1ABC9C; /* Alternative accent */
    --color-white: #ffffff;
    --color-light-gray: #f5f5f5;
    --color-gray: #cccccc;
    --color-dark-gray: #555555;

    --font-primary: 'Poppins', sans-serif;
}

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

html {
    scroll-behavior: smooth; /* Smooth scrolling for anchor links */
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--color-dark-blue);
    background-color: var(--color-white);
    overflow-x: hidden; /* Prevent horizontal scroll due to animations */
}

body.no-scroll {
    overflow: hidden; /* Disable scrolling when mobile menu is active */
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px; /* Add some padding on the sides */
}

a {
    text-decoration: none;
    color: var(--color-teal);
}

ul {
    list-style: none;
}

/* --- Reusable Section Padding --- */
.section-padding {
    padding: 80px 0; /* Consistent vertical padding for sections */
}

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

.bg-dark-blue {
    background-color: var(--color-navy); /* Using navy for consistency with design */
}

.text-white {
    color: var(--color-white);
}

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

.mt-40 { /* Margin-top utility */
    margin-top: 40px;
}

.section-description {
    font-size: 1.1em;
    max-width: 700px;
    margin: 15px auto 40px auto;
    color: var(--color-dark-gray);
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 8px;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.2s ease;
    text-align: center;
    white-space: nowrap; /* Prevent button text from wrapping */
}

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

.btn-primary:hover {
    background-color: #0cbbd9; /* Slightly darker teal */
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: var(--color-navy);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* --- Header Styles --- */
.main-header {
    background-color: var(--color-white);
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky; /* Makes header sticky on scroll */
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 70px; /* Ensure header has a consistent minimum height */
}

.logo img {
    height: 65px; /* Increased logo height for "very big" */
    width: auto;
    display: block; /* Prevents extra space below image */
}

.main-nav ul {
    display: flex;
    gap: 30px;
}

.main-nav ul li a {
    color: var(--color-navy);
    font-weight: 600;
    padding: 5px 0;
    position: relative;
    transition: color 0.3s ease;
}

.main-nav ul li a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 0;
    height: 2px;
    background-color: var(--color-teal);
    transition: width 0.3s ease;
}

.main-nav ul li a:hover::after,
.main-nav ul li a.active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    gap: 15px;
}

.mobile-menu-toggle {
    display: none; /* Hidden by default, shown on mobile */
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 20px;
    justify-content: center;
    align-items: center;
    position: relative; /* For animating lines */
    z-index: 1100; /* Ensure it's above the mobile nav */
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background-color: var(--color-navy);
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center; /* For rotation */
}

/* Hamburger animation */
.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-20px); /* Slide out for a cleaner 'X' */
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}


/* --- Search and Filter Section --- */
.search-filter-section {
    background-color: var(--color-white);
    padding: 30px 40px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
    max-width: 1200px; /* Constrain width */
    margin: 0 auto 40px auto; /* Center and add bottom margin */
    border-radius: 10px; /* Add some rounded corners */
}

.search-bar {
    position: relative;
    flex-grow: 1;
    max-width: 400px;
}

.search-input {
    width: 100%;
    padding: 12px 40px 12px 15px; /* Space for icon */
    border: 1px solid var(--color-gray);
    border-radius: 8px;
    font-size: 1em;
    outline: none;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.search-input:focus {
    border-color: var(--color-teal);
    box-shadow: 0 0 0 3px rgba(14, 210, 247, 0.2);
}
.filters :focus {
    border-color: var(--color-teal);
    box-shadow: 0 0 0 3px rgba(14, 210, 247, 0.2);
}

.search-icon {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-dark-gray);
    font-size: 1.2em;
}

.filters {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.filter-dropdown {
    padding: 12px 40px 12px 15px; /* Adjusted padding-right for custom arrow */
    border: 1px solid var(--color-gray);
    border-radius: 8px;
    font-size: 1em;
    color: var(--color-dark-blue);
    background-color: var(--color-white);
    cursor: pointer;
    outline: none;
    transition: border-color 0.3s ease;

    /* --- Custom Dropdown Arrow Styles --- */
    -webkit-appearance: none; /* Remove default arrow for Chrome/Safari */
    -moz-appearance: none;    /* Remove default arrow for Firefox */
    appearance: none;         /* Remove default arrow for others */
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="%23555555" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"></polyline></svg>');
    background-repeat: no-repeat;
    background-position: right 10px center; /* Position the custom arrow */
    background-size: 18px; /* Size of the custom arrow */
}

.filter-dropdown:focus {
    border-color: var(--color-teal);
}


/* --- Course Grid Section --- */
.course-grid-section {
    padding: 0 40px 40px 40px; /* Adjust padding as no header/footer */
    max-width: 1200px; /* Keep max-width for overall content container */
    margin: 0 auto;
}

.course-grid-section h2 {
    font-size: 2em;
    color: var(--color-navy);
    margin-bottom: 30px;
    text-align: center;
}

.course-grid {
    display: grid;
    /* Responsive grid:
       - On large screens, it will try to fit as many columns as possible, each at least 300px wide.
       - The 'minmax' ensures cards don't get too small or too large.
       - 'auto-fit' ensures empty space is filled if there aren't enough cards to fill a row.
       - This will naturally create 3 columns on wider screens within the 1200px max-width.
    */
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px; /* Space between grid items */
}

/* --- Course Card Styles (Optimized) --- */
.course-card {
    background-color: var(--color-white);
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden; /* Ensures content respects border-radius */
    display: flex;
    flex-direction: column; /* Stacks thumbnail, content, and button */
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-decoration: none; /* Remove underline from link */
    color: inherit; /* Inherit text color from parent */
}

.course-card:hover {
    transform: translateY(-5px); /* Slight lift effect on hover */
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12); /* Enhanced shadow on hover */
}

.course-thumbnail {
    width: 100%;
    height: 180px; /* Fixed height for consistency */
    object-fit: cover; /* Ensures image covers the area without distortion */
    display: block; /* Remove extra space below image */
    background-color: var(--color-gray); /* Fallback background color */
}

.card-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1; /* Allows content to push the button to the bottom */
}

.course-title {
    font-size: 1.3em;
    color: var(--color-navy);
    margin-bottom: 10px;
    line-height: 1.3;
    min-height: 3.9em; /* Ensures consistent height for 3 lines of text */
    display: -webkit-box; /* For multi-line ellipsis */
    -webkit-line-clamp: 3; /* Limit title to 3 lines */
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis; /* Add ellipsis if text overflows */
}

.course-instructor {
    font-size: 0.95em;
    color: var(--color-dark-gray);
    margin-bottom: 15px;
}

.course-badge { 
    display: inline-block;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.85em;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.course-badge.free {
    background-color: var(--color-cyan); 
    color: var(--color-white);
}

.course-badge.premium {
    background-color: var(--color-navy); 
    color: var(--color-white);
}

.view-course-btn {
    margin-top: auto; /* Pushes button to the bottom of the card */
    width: 100%;
}

/* --- Load More / Pagination --- */
.load-more-container {
    text-align: center;
    margin-top: 40px;
    margin-bottom: 60px; /* Add bottom margin for spacing at the end of the page */
}
.load-more-container :hover{
    cursor: pointer;
}

/* --- Newsletter Signup Section Styles --- */
.newsletter-signup h2 {
    color: var(--color-navy);
}

.newsletter-signup p {
    max-width: 600px;
    margin: 0 auto 30px auto;
    color: var(--color-dark-gray);
}

.newsletter-form {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.newsletter-form input[type="email"] {
    padding: 12px 20px;
    border: 2px solid var(--color-gray);
    border-radius: 8px;
    font-size: 1em;
    width: 100%;
    max-width: 400px;
    color: var(--color-navy);
    outline: none;
    transition: border-color 0.3s ease;
}

.newsletter-form input[type="email"]:focus {
    border-color: var(--color-teal);
}

.newsletter-form .btn-primary {
    padding: 12px 30px;
    font-size: 1em;
}

/* --- Footer Styles --- */
.main-footer {
    background-color: var(--color-dark-blue);
    color: var(--color-white);
    padding: 40px 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
}

.footer-logo img {
    height: 95px;
    width: 80px;
    filter: brightness(0) invert(1); /* Example for making a dark logo white on dark background */
    margin-bottom: -20px;
    margin-top: -10px;
}

.footer-nav ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px 30px;
}

.footer-nav ul li a {
    color: var(--color-white);
    font-weight: 400;
    transition: color 0.3s ease;
}

.footer-nav ul li a:hover {
    color: var(--color-teal);
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    color: var(--color-white);
    font-size: 1.5em;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--color-teal);
}

.copyright {
    font-size: 0.9em;
    color: rgba(255, 255, 255, 0.7);
}
/* Close button for mobile menu */
.close-menu-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2.5em;
    color: var(--color-white);
    cursor: pointer;
    z-index: 1200;
    transition: transform 0.2s ease;
}

.close-menu-btn:hover {
    transform: rotate(90deg);
}.close-menu-btn {
    position: absolute;
    top: 15px; /* Adjusted top for better alignment */
    right: 15px; /* Adjusted right for better alignment */
    font-size: 2.2em; /* Slightly smaller font size for the icon itself */
    color: var(--color-white);
    cursor: pointer;
    z-index: 1200;
    transition: transform 0.2s ease, background-color 0.2s ease; /* Added background-color to transition */
    display: flex; /* Use flex to center the icon */
    justify-content: center; /* Center horizontally */
    align-items: center; /* Center vertically */
    width: 40px; /* Explicit width to give a larger clickable area */
    height: 40px; /* Explicit height to give a larger clickable area */
    border-radius: 50%; /* Make it a circle */
    background-color: rgba(255, 255, 255, 0.1); /* Subtle background for click area */
}

.close-menu-btn:hover {
    transform: rotate(90deg);
    background-color: rgba(255, 255, 255, 0.2); /* Slightly more prominent on hover */
}
@media (max-width: 992px) {
    .section-padding {
        padding: 60px 0;
    }
}
/* --- Mobile Responsiveness --- */
@media (max-width: 768px) {
    body {
        padding-top: 20px; /* Less padding on mobile */
    }
     .main-nav {
        /* Mobile menu overlay styles - NO CHANGES HERE */
        position: fixed;
        top: 0;
        right: 0;
        width: 65vw;
        max-width: 200px;
        max-height: calc(100vh - 70px); /* Adjusted to account for header min-height */
        background-color: var(--color-navy);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 10px 0; /* General padding */
        padding-top: 50px; /* Space for close button */
        transform: translateX(100%);
        transition: transform 0.4s ease-out;
        z-index: 999;
        overflow-y: auto;
        box-shadow: -5px 0 15px rgba(0,0,0,0.2);
    }

    .main-nav.active {
        transform: translateX(0);
    }

    .main-nav ul {
        flex-direction: column;
        gap: 1px;
        text-align: center;
        width: 100%;
    }

    .main-nav ul li a {
        color: var(--color-white);
        font-size: 1em;
        padding: 10px 0;
        display: block;
    }

    .main-nav ul li a::after {
        background-color: var(--color-teal);
    }

    /* Show header actions on mobile */
    .header-actions {
        display: flex; /* Make buttons visible */
        gap: 8px; /* Reduce gap between buttons on mobile */
        margin-left: auto; /* Push buttons to the right, next to hamburger */
        align-items: center; /* Align with hamburger */
    }

    /* Adjust button size for mobile header - UPDATED */
    .header-actions .btn {
        padding: 6px 12px; /* Smaller padding for mobile header buttons */
        font-size: 0.75em; /* Smaller font size for mobile header buttons */
        border-width: 1px; /* Thinner border */
    }

    .mobile-menu-toggle {
        display: flex;
        margin-left: 15px; /* Add some space between buttons and hamburger */
    }

    /* Adjust search and filter for mobile */
    .search-filter-section {
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        margin-bottom: 30px; /* Less margin on mobile */
    }

    .search-bar {
        width: 100%;
        max-width: none;
    }

    .filters {
        flex-direction: column;
        width: 100%;
        gap: 10px;
    }

    .filter-dropdown {
        width: 100%;
    }

    /* Course grid for mobile */
    .course-grid-section {
        padding: 0 20px 20px 20px; /* Adjust padding for mobile */
    }

    
    .course-grid {
        grid-template-columns: 1fr; /* Single column on mobile */
        gap: 20px;
    }

    .course-title {
        font-size: 1.1em;
        min-height: auto; /* Allow height to be natural */
        -webkit-line-clamp: unset; /* Remove line clamp */
    }

    .course-instructor,
    .course-badge {
        font-size: 0.9em;
    }

    .view-course-btn {
        padding: 10px 15px;
        font-size: 1em;
    }

    .load-more-container {
        margin-top: 30px;
        margin-bottom: 40px;
    }
     .newsletter-form {
        flex-direction: column;
        gap: 10px;
    }
    .newsletter-form input[type="email"] {
        max-width: 100%;
    }

    .footer-nav ul {
        flex-direction: column;
        gap: 10px;
    }
}
@media only screen 
  and (min-width: 768px) 
  and (max-width: 768px) 
  and (min-height: 1024px) 
  and (max-height: 1024px) 
  and (orientation: portrait) {
     .course-grid {
        grid-template-columns: 1fr 1fr; /* Single column on mobile */
        gap: 20px;
    }
}