/* CSS for Professional Courses Page Redesign */

:root {
    --primary-hover: #0097a7;
    --card-radius: 16px;
    --transition-speed: 0.28s;
    --text-muted: var(--text-secondary-light);
    --text-on-primary: #06131a;
    --text-on-accent: #0a0e1a;
}

.courses-page .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.courses-page .main {
    min-height: 100vh;
}

/* --- Hero Section --- */
.courses-page .courses-hero {
    background: linear-gradient(135deg, var(--bg-dark-primary, var(--bg-dark)) 0%, var(--bg-dark-secondary, #0f1521) 100%);
    padding: 56px 20px 28px;
    position: relative;
    overflow: hidden;
}

.courses-page .courses-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 188, 212, 0.10) 0%, transparent 70%);
    animation: pulseHero 15s infinite linear;
    pointer-events: none;
}

@keyframes pulseHero {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.courses-page .courses-hero-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.courses-page .courses-hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 28px;
    align-items: start;
}

.courses-page .courses-hero-copy {
    text-align: left;
}

[dir="rtl"] .courses-page .courses-hero-copy {
    text-align: right;
}

.courses-page .courses-hero-copy h1 {
    font-size: clamp(2.1rem, 4.6vw, 3.25rem);
    font-weight: 900;
    margin: 0 0 1rem;
    background: var(--gradient-hero-text, linear-gradient(45deg, #00bcd4, #1e88e5, #fdd835));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeInDown 0.8s ease-out;
}

.courses-page .courses-hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary-light, var(--text-muted));
    max-width: 700px;
    margin: 0 0 22px;
    line-height: 1.7;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

/* --- Breadcrumbs + Meta --- */
.courses-page .breadcrumbs {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 14px;
    padding: 0 6px;
    color: var(--text-secondary-light, var(--text-muted));
    justify-content: flex-start;
}

.courses-page .breadcrumbs a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed);
}

.courses-page .breadcrumbs a:hover {
    color: var(--accent-color);
}

.courses-page .breadcrumbs-sep {
    color: var(--text-secondary-light, var(--text-muted));
}

.courses-page .courses-hero-meta {
    margin: 0 0 18px;
    padding: 0 6px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
}

[dir="rtl"] .courses-page .breadcrumbs {
    justify-content: flex-end;
}

.courses-page .courses-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    width: 100%;
    max-width: 720px;
}

.courses-page .stat {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    padding: 12px 14px;
    text-align: center;
}

.courses-page .stat-value {
    font-size: 1.8rem;
    font-weight: 900;
    line-height: 1;
    color: var(--primary-color);
}

.courses-page .stat-label {
    margin-top: 6px;
    font-size: 0.9rem;
    color: var(--text-secondary-light, var(--text-muted));
}

.courses-page .courses-results-summary {
    min-height: 20px;
    font-size: 0.95rem;
    color: var(--text-secondary-light, var(--text-muted));
}

.courses-page .courses-empty,
.courses-page .testimonials-empty {
    opacity: 0.8;
    text-align: center;
    padding: 18px 16px;
    grid-column: 1 / -1;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    color: var(--text-secondary-light, var(--text-muted));
}

/* --- Toolbar (Search & Filter) --- */
.courses-page .courses-toolbar {
    background: rgba(15, 21, 33, 0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-dark, var(--border-color));
    border-radius: var(--card-radius);
    padding: 24px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
    align-items: end;
    margin: 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.courses-page .courses-toolbar .field {
    min-width: 220px;
}

.courses-page .courses-toolbar label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary-light, var(--text-muted));
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.courses-page .courses-toolbar input,
.courses-page .courses-toolbar select {
    width: 100%;
    background: var(--bg-dark-secondary, #0f1521);
    border: 1px solid var(--border-dark, var(--border-color));
    color: var(--text-main-light, var(--text-main));
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 1rem;
    transition: all var(--transition-speed);
}

.courses-page .courses-toolbar input:focus,
.courses-page .courses-toolbar select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 188, 212, 0.15);
}

/* Course Type Toggle */
.courses-page .courses-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px;
    background: var(--bg-dark-secondary, #0f1521);
    border: 1px solid var(--border-dark, var(--border-color));
    border-radius: 12px;
}

.courses-page .courses-toggle .toggle {
    flex: 1;
    padding: 10px 14px;
    background: transparent;
    border: 0;
    border-radius: 10px;
    color: var(--text-secondary-light, var(--text-muted));
    font-weight: 800;
    cursor: pointer;
    transition: background var(--transition-speed), transform var(--transition-speed), color var(--transition-speed);
}

.courses-page .courses-toggle .toggle:hover {
    background: rgba(0, 188, 212, 0.12);
    color: var(--text-main-light, var(--text-main));
}

.courses-page .courses-toggle .toggle.active,
.courses-page .courses-toggle .toggle[aria-selected="true"] {
    background: var(--gradient-main-button, linear-gradient(90deg, #00bcd4 0%, #1e88e5 100%));
    color: #000;
}

.courses-page .courses-toggle .toggle:focus-visible,
.courses-page .courses-toolbar input:focus-visible,
.courses-page .courses-toolbar select:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* --- Sections --- */
.courses-section,
.free-courses-section,
.testimonials-section,
.cta-section {
    padding: 44px 20px;
}

.section-header {
    max-width: 1200px;
    margin: 0 auto 18px;
    text-align: center;
}

.section-title {
    margin: 0 0 8px;
    font-size: clamp(1.75rem, 3.4vw, 2.5rem);
    font-weight: 900;
    letter-spacing: -0.4px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text-main-light, var(--text-main));
}

@keyframes gift-pulse {
    0% {
        transform: scale(1);
        filter: drop-shadow(0 0 5px rgba(253, 216, 53, 0.4));
    }

    50% {
        transform: scale(1.18) rotate(8deg);
        filter: drop-shadow(0 0 20px rgba(253, 216, 53, 0.9));
    }

    100% {
        transform: scale(1);
        filter: drop-shadow(0 0 5px rgba(253, 216, 53, 0.4));
    }
}

.free-courses-section .section-title i.fa-gift {
    animation: gift-pulse 2.2s infinite ease-in-out;
    display: inline-block;
    color: #fdd835;
    /* Ensure it stands out */
}

.section-title i {
    color: var(--accent-color);
    filter: drop-shadow(0 0 10px rgba(253, 216, 53, 0.25));
}

.section-subtitle {
    margin: 0 auto;
    max-width: 760px;
    color: var(--text-secondary-light, var(--text-muted));
    line-height: 1.7;
    font-size: 1.05rem;
}

/* --- Search Results --- */
.courses-page .search-results-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px 20px;
    display: none;
}

.courses-page .search-results-container.is-active {
    display: block;
}

.courses-page .search-results-message {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    padding: 18px 18px 16px;
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.2);
    display: grid;
    gap: 10px;
    justify-items: center;
    text-align: center;
    margin-bottom: 18px;
}

.courses-page .search-results-message h3 {
    margin: 0;
    font-weight: 900;
    color: var(--primary-color);
}

.courses-page .search-results-message p {
    margin: 0;
    color: var(--text-secondary-light, var(--text-muted));
    font-weight: 600;
}

.courses-page .clear-search-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 12px;
    font-weight: 900;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-main-light, #fff);
    cursor: pointer;
    transition: transform var(--transition-speed), background var(--transition-speed), box-shadow var(--transition-speed);
}

.courses-page .clear-search-btn:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.18);
}

.courses-page .clear-search-btn:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* --- Course Progress --- */
.courses-page .course-progress {
    display: grid;
    gap: 8px;
    margin: 0 0 14px;
}

.courses-page .course-progress-top {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    font-size: 0.85rem;
    color: var(--text-secondary-light, var(--text-muted));
}

.courses-page .course-progress-value {
    font-variant-numeric: tabular-nums;
    color: var(--text-main-light, #fff);
    font-weight: 800;
}

.courses-page .course-progress-track {
    height: 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.08);
    overflow: hidden;
}

.courses-page .course-progress-fill {
    height: 100%;
    width: 0%;
    background: var(--gradient-main-button, var(--primary-color));
    border-radius: 999px;
    transition: width var(--transition-speed);
}

.courses-page .course-progress.is-complete .course-progress-fill {
    background: linear-gradient(90deg, rgba(16, 185, 129, 1) 0%, rgba(34, 197, 94, 1) 100%);
}

/* --- Metrics --- */
.metrics-section {
    padding: 28px 20px 18px;
    max-width: 1200px;
    margin: 0 auto 18px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.metric-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 16px 14px;
    text-align: center;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.18);
}

.metric-value {
    font-weight: 900;
    font-size: 1.6rem;
    letter-spacing: -0.2px;
    color: var(--primary-color);
}

.metric-label {
    margin-top: 8px;
    color: var(--text-secondary-light, var(--text-muted));
    font-weight: 700;
    font-size: 0.9rem;
}

/* --- Testimonials --- */
.testimonials-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    padding: 18px 18px 16px;
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.testimonial-quote {
    color: var(--text-main-light, var(--text-main));
    line-height: 1.7;
    font-weight: 600;
    font-size: 1rem;
}

.testimonial-author {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: flex-end;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 14px;
}

.testimonial-author-name {
    font-weight: 900;
    color: var(--text-main-light, var(--text-main));
}

.testimonial-author-role {
    margin-top: 4px;
    color: var(--text-secondary-light, var(--text-muted));
    font-weight: 700;
    font-size: 0.9rem;
}

.testimonial-rating {
    color: var(--accent-color);
    letter-spacing: 2px;
    font-size: 0.95rem;
    white-space: nowrap;
}

/* --- CTA --- */
.cta-section {
    padding: 44px 20px 70px;
    max-width: 1200px;
    margin: 0 auto;
    background: linear-gradient(135deg, rgba(0, 188, 212, 0.08) 0%, rgba(30, 136, 229, 0.06) 55%, rgba(253, 216, 53, 0.05) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 22px;
    text-align: center;
}

.cta-section h2 {
    margin: 0 0 10px;
    font-weight: 900;
    font-size: clamp(1.7rem, 3.4vw, 2.35rem);
}

.cta-section p {
    margin: 0 auto 18px;
    max-width: 760px;
    color: var(--text-secondary-light, var(--text-muted));
    line-height: 1.7;
    font-weight: 600;
}

.cta-features {
    margin: 0 auto 22px;
    max-width: 860px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.cta-feature {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--text-main-light, var(--text-main));
    font-weight: 700;
}

.cta-feature i {
    color: var(--accent-color);
}

.cta-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: 12px;
    font-weight: 900;
    text-decoration: none;
    background: var(--gradient-main-button, var(--primary-color));
    color: var(--text-on-primary);
    border: 1px solid rgba(0, 0, 0, 0.12);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed), background var(--transition-speed);
}

.cta-button:hover {
    transform: translateY(-2px);
    background: var(--gradient-card-hover, var(--primary-hover));
    box-shadow: 0 10px 22px rgba(0, 188, 212, 0.18);
}

.cta-button.secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-main-light, var(--text-main));
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.cta-button.secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.18);
}

[dir="rtl"] .cta-button i {
    transform: rotate(180deg);
}

.cta-button:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }

    .course:hover {
        transform: none;
    }
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .courses-page .courses-hero-grid {
        grid-template-columns: 1fr;
    }

    .courses-page .courses-hero-copy {
        text-align: center;
    }

    [dir="rtl"] .courses-page .courses-hero-copy {
        text-align: center;
    }

    .courses-page .courses-hero h1 {
        font-size: 2.5rem;
    }

    .courses-page .courses-toolbar {
        padding: 16px;
    }

    .courses-page .courses-stats {
        grid-template-columns: 1fr;
        max-width: 420px;
    }

    .courses-page .courses-section,
    .courses-page .free-courses-section,
    .courses-page .testimonials-section {
        padding: 36px 16px;
    }

    .courses-page .courses-grid {
        gap: 16px;
    }

    .courses-page .course-meta {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .courses-page .metrics-section {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        padding: 16px;
    }

    .courses-page .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

/* Navigation Icon Styling */
.nav-links .nav-icon {
    margin-right: 6px;
    color: var(--primary-color);
    font-size: 0.9em;
    vertical-align: middle;
}

[dir="rtl"] .nav-links .nav-icon {
    margin-right: 0;
    margin-left: 6px;
}

/* Section Title Icon Refinement */
#paidCoursesSection .section-title i.fa-graduation-cap {
    color: var(--primary-color);
    filter: drop-shadow(0 0 8px rgba(0, 188, 212, 0.35));
}