/* ==========================================================================
   REXMYZE SHOWCASE SECTIONS STYLESHEET
   Implements custom designs for:
   1. Why Rexmyze Academy (15 Feature Grid)
   2. Our Programs (Filtered Course Cards)
   3. 50+ AI-Powered Tools (Horizontal Crawling Marquee)
   4. For Whom is this Course for? (6 Persona Cards)
   5. Course Syllabus & Metrics (Terms Timeline + 2x2 Stats)
   Color Scheme: Rexmyze Primary Blue (#5192CC), Dark Blue (#3a7ab3), Slate/Navy
   ========================================================================== */

:root {
    --rex-blue: #5192CC;
    --rex-blue-dark: #3a7ab3;
    --rex-blue-light: #eef5fb;
    --rex-blue-glow: rgba(81, 146, 204, 0.18);
    --rex-text-dark: #111827;
    --rex-text-muted: #64748b;
    --rex-card-bg: #ffffff;
    --rex-border: #e2e8f0;
    --rex-radius: 16px;
    --rex-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.06);
    --rex-shadow-hover: 0 20px 35px -10px rgba(81, 146, 204, 0.16);
}

/* --------------------------------------------------------------------------
   SECTION HEADERS
   -------------------------------------------------------------------------- */
.rex-section-title-wrap {
    text-align: center;
    max-width: 820px;
    margin: 0 auto 48px;
}

.rex-section-title {
    font-size: clamp(2rem, 3.8vw, 2.75rem);
    font-weight: 800;
    color: var(--rex-text-dark);
    line-height: 1.25;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.rex-section-title .highlight {
    color: var(--rex-blue);
    position: relative;
    display: inline-block;
}

.rex-section-subtitle {
    font-size: 1.05rem;
    color: var(--rex-text-muted);
    line-height: 1.6;
    margin: 0 auto;
}

/* --------------------------------------------------------------------------
   1. WHY REXMYZE ACADEMY (15-ITEM GRID)
   -------------------------------------------------------------------------- */
.rex-why-section {
    padding: 70px 0 90px;
    background: #ffffff;
}

.rex-why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
}

.rex-why-card {
    background: var(--rex-card-bg);
    border: 1px solid #edf2f7;
    border-radius: 14px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.03);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.rex-why-card:hover {
    transform: translateY(-3px);
    border-color: var(--rex-blue);
    box-shadow: 0 12px 24px rgba(81, 146, 204, 0.12);
}

.rex-why-card.highlighted {
    border: 2px solid var(--rex-blue);
    box-shadow: 0 10px 24px rgba(81, 146, 204, 0.15);
}

.rex-why-icon-box {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: 10px;
    background: var(--rex-blue-light);
    color: var(--rex-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    transition: all 0.3s ease;
}

.rex-why-card:hover .rex-why-icon-box {
    background: var(--rex-blue);
    color: #ffffff;
}

.rex-why-card-text {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--rex-text-dark);
    line-height: 1.4;
}

/* 6 Core Pillars Grid (Matches Live Rexmyze screenshot) */
.rex-why-pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    max-width: 1240px;
    margin: 0 auto 36px;
    padding: 0 20px;
}

.rex-why-pillar-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 18px;
    padding: 34px 28px;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.03);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    display: flex;
    flex-direction: column;
}

.rex-why-pillar-card:hover {
    transform: translateY(-6px);
    border-color: var(--rex-blue, #5192CC);
    box-shadow: 0 14px 32px rgba(81, 146, 204, 0.12);
}

.rex-why-pillar-icon-box {
    width: 52px;
    height: 52px;
    min-width: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
    color: #ffffff;
    transition: transform 0.35s ease;
}

.rex-why-pillar-card:hover .rex-why-pillar-icon-box {
    transform: scale(1.08);
}

.rex-why-pillar-icon-box svg {
    color: #ffffff;
}

.rex-why-pillar-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #0A0F1C;
    margin-bottom: 12px;
    line-height: 1.35;
}

.rex-why-pillar-desc {
    font-size: 0.9375rem;
    color: #475569;
    line-height: 1.65;
    font-style: italic;
    margin: 0;
}

.rex-why-highlights-bar {
    max-width: 1240px;
    margin: 0 auto;
    padding: 16px 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 16px 24px;
    background: #f8fafc;
    border: 1px dashed #cbd5e1;
    border-radius: 50px;
}

.rex-why-badge-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    color: #334155;
}

/* --------------------------------------------------------------------------
   2. OUR PROGRAMS (FILTER TABS & CAROUSEL CARDS)
   -------------------------------------------------------------------------- */
.rex-programs-section {
    padding: 80px 0 90px;
    background: #fcfdfe;
}

.rex-program-filters {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.rex-filter-pill {
    padding: 10px 26px;
    border-radius: 9999px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--rex-text-muted);
    background: #ffffff;
    border: 1px solid var(--rex-border);
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 2px 6px rgba(0,0,0,0.02);
}

.rex-filter-pill:hover {
    color: var(--rex-blue);
    border-color: var(--rex-blue);
}

.rex-filter-pill.active {
    background: var(--rex-blue);
    color: #ffffff;
    border-color: var(--rex-blue);
    box-shadow: 0 6px 18px rgba(81, 146, 204, 0.3);
}

.rex-programs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
}

.rex-program-card {
    background: #ffffff;
    border: 1px solid var(--rex-border);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--rex-shadow);
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
}

.rex-program-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--rex-shadow-hover);
    border-color: rgba(81, 146, 204, 0.4);
}

.rex-program-card.hidden-card {
    display: none !important;
}

.rex-program-img-wrap {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: #f1f5f9;
}

.rex-program-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.rex-program-card:hover .rex-program-img {
    transform: scale(1.05);
}

.rex-program-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    color: #0f172a;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 5px 14px;
    border-radius: 9999px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
    letter-spacing: 0.03em;
}

.rex-program-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.rex-program-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--rex-text-dark);
    line-height: 1.35;
    margin-bottom: 18px;
}

.rex-program-meta-list {
    margin-bottom: 22px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 0.88rem;
}

.rex-meta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--rex-text-muted);
}

.rex-meta-row strong {
    color: var(--rex-text-dark);
    font-weight: 600;
}

.rex-meta-timeline {
    font-size: 0.8rem;
    color: #94a3b8;
    margin-top: 6px;
    padding-top: 10px;
    border-top: 1px dashed #e2e8f0;
}

.rex-program-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 9999px;
    border: 1.5px solid var(--rex-blue);
    color: var(--rex-blue);
    font-weight: 700;
    font-size: 0.92rem;
    text-align: center;
    background: transparent;
    transition: all 0.25s ease;
    margin-top: auto;
    text-decoration: none;
}

.rex-program-btn:hover {
    background: var(--rex-blue);
    color: #ffffff;
    box-shadow: 0 8px 20px rgba(81, 146, 204, 0.25);
}

/* --------------------------------------------------------------------------
   3. 50+ AI-POWERED TOOLS HORIZONTAL MARQUEE / CRAWL
   -------------------------------------------------------------------------- */
.rex-tools-marquee-section {
    padding: 80px 0 90px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    overflow: hidden;
    position: relative;
}

.rex-marquee-viewport {
    width: 100%;
    overflow: hidden;
    position: relative;
    padding: 14px 0;
}

.rex-marquee-viewport::before,
.rex-marquee-viewport::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 120px;
    z-index: 2;
    pointer-events: none;
}

.rex-marquee-viewport::before {
    left: 0;
    background: linear-gradient(to right, #ffffff, transparent);
}

.rex-marquee-viewport::after {
    right: 0;
    background: linear-gradient(to left, #f8fafc, transparent);
}

.rex-marquee-track {
    display: flex;
    gap: 20px;
    width: max-content;
    will-change: transform;
}

.rex-marquee-track.crawl-left {
    animation: rexMarqueeLeft 42s linear infinite;
}

.rex-marquee-track.crawl-right {
    animation: rexMarqueeRight 45s linear infinite;
    margin-top: 20px;
}

.rex-marquee-viewport:hover .rex-marquee-track {
    animation-play-state: paused;
}

@keyframes rexMarqueeLeft {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes rexMarqueeRight {
    0% { transform: translateX(-50%); }
    100% { transform: translateX(0); }
}

.rex-tool-card {
    background: #ffffff;
    border: 1px solid #eef2f6;
    border-radius: 14px;
    padding: 12px 24px;
    min-width: 175px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
    position: relative;
    transition: all 0.3s ease;
    user-select: none;
}

.rex-tool-card:hover {
    transform: translateY(-4px);
    border-color: var(--rex-blue);
    box-shadow: 0 10px 24px rgba(81, 146, 204, 0.15);
}

.rex-tool-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--rex-blue);
    flex-shrink: 0;
}

.rex-tool-icon img {
    max-width: 28px;
    max-height: 28px;
    object-fit: contain;
}

.rex-tool-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: #1e293b;
    white-space: nowrap;
}

.rex-tool-ai-badge {
    position: absolute;
    top: -9px;
    left: 16px;
    background: #f59e0b;
    color: #ffffff;
    font-size: 0.65rem;
    font-weight: 800;
    padding: 2px 8px;
    border-radius: 9999px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    box-shadow: 0 2px 6px rgba(245, 158, 11, 0.35);
}

/* --------------------------------------------------------------------------
   4. FOR WHOM IS THIS COURSE FOR? (6 PERSONA CARDS)
   -------------------------------------------------------------------------- */
.rex-for-whom-section {
    padding: 85px 0 95px;
    background: #ffffff;
}

.rex-for-whom-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
}

.rex-persona-card {
    background: #ffffff;
    border: 1px solid #e9edf2;
    border-radius: 20px;
    padding: 26px 24px;
    box-shadow: var(--rex-shadow);
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    position: relative;
}

.rex-persona-card:hover {
    transform: translateY(-5px);
    border-color: var(--rex-blue);
    box-shadow: var(--rex-shadow-hover);
}

.rex-persona-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.rex-persona-badge {
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    padding: 4px 12px;
    border-radius: 9999px;
    background: var(--rex-blue-light);
    color: var(--rex-blue);
    text-transform: uppercase;
    border: 1px solid rgba(81, 146, 204, 0.2);
}

.rex-persona-avatar {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--rex-blue);
}

.rex-persona-title {
    font-size: 1.22rem;
    font-weight: 800;
    color: var(--rex-text-dark);
    margin-bottom: 10px;
}

.rex-persona-desc {
    font-size: 0.92rem;
    color: var(--rex-text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

.rex-persona-divider {
    border-top: 1px dashed #e2e8f0;
    margin-bottom: 16px;
}

.rex-persona-benefit {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 700;
    color: #10b981;
}

.rex-persona-benefit .rex-check-icon {
    width: 20px;
    height: 20px;
    background: rgba(16, 185, 129, 0.12);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #10b981;
    font-size: 0.75rem;
    flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   5. COURSE SYLLABUS & METRICS (TERMS + 2X2 STATS)
   -------------------------------------------------------------------------- */
.rex-syllabus-section {
    padding: 85px 0 95px;
    background: #fcfdfe;
}

.rex-syllabus-layout {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 36px;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
    align-items: start;
}

.rex-terms-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.rex-term-card {
    background: #ffffff;
    border: 1px solid #e9edf2;
    border-radius: 18px;
    padding: 24px;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.03);
    transition: all 0.3s ease;
    border-left: 4px solid var(--rex-blue);
}

.rex-term-card:hover {
    box-shadow: 0 10px 28px rgba(81, 146, 204, 0.12);
    transform: translateY(-3px);
}

.rex-term-header {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    margin-bottom: 12px;
}

.rex-term-number {
    font-size: 2.2rem;
    font-weight: 900;
    color: rgba(81, 146, 204, 0.28);
    line-height: 1;
    letter-spacing: -0.04em;
}

.rex-term-title-wrap {
    flex-grow: 1;
}

.rex-term-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--rex-text-dark);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.rex-term-title i,
.rex-term-title svg {
    color: var(--rex-blue);
    font-size: 1.1rem;
}

.rex-term-desc {
    font-size: 0.92rem;
    color: var(--rex-text-muted);
    line-height: 1.6;
    margin-bottom: 14px;
}

.rex-modules-trigger {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--rex-blue);
    color: #ffffff;
    font-size: 0.84rem;
    font-weight: 700;
    padding: 8px 18px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 4px 12px rgba(81, 146, 204, 0.25);
}

.rex-modules-trigger:hover {
    background: var(--rex-blue-dark);
    box-shadow: 0 6px 16px rgba(81, 146, 204, 0.35);
}

.rex-modules-drawer {
    display: none;
    margin-top: 14px;
    padding: 14px 18px;
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.rex-modules-drawer.open {
    display: block;
    animation: rexFadeDown 0.3s ease;
}

.rex-modules-drawer ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.rex-modules-drawer li {
    font-size: 0.85rem;
    color: #334155;
    display: flex;
    align-items: center;
    gap: 8px;
}

.rex-modules-drawer li::before {
    content: '•';
    color: var(--rex-blue);
    font-weight: bold;
    font-size: 1.2rem;
}

@keyframes rexFadeDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.rex-syllabus-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.rex-stat-box {
    background: #ffffff;
    border: 1.5px solid var(--rex-blue);
    border-radius: 20px;
    padding: 36px 20px;
    text-align: center;
    box-shadow: 0 6px 20px rgba(81, 146, 204, 0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.rex-stat-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 32px rgba(81, 146, 204, 0.2);
    border-color: var(--rex-blue-dark);
}

.rex-stat-icon-wrap {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--rex-blue-light);
    color: var(--rex-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 14px;
}

.rex-stat-number {
    font-size: 2.6rem;
    font-weight: 900;
    color: var(--rex-blue);
    line-height: 1;
    margin-bottom: 8px;
    letter-spacing: -0.03em;
}

.rex-stat-label {
    font-size: 0.95rem;
    font-weight: 700;
    color: #475569;
    line-height: 1.35;
}

/* --------------------------------------------------------------------------
   RESPONSIVE BREAKPOINTS
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .rex-why-grid,
    .rex-why-pillars-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .rex-programs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .rex-for-whom-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .rex-syllabus-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .rex-why-grid,
    .rex-why-pillars-grid {
        grid-template-columns: 1fr;
    }
    .rex-programs-grid {
        grid-template-columns: 1fr;
    }
    .rex-for-whom-grid {
        grid-template-columns: 1fr;
    }
    .rex-syllabus-stats {
        grid-template-columns: 1fr 1fr;
    }
    .rex-modules-drawer ul {
        grid-template-columns: 1fr;
    }
    .rex-tool-card {
        min-width: 140px;
        padding: 10px 16px;
    }
}

/* --------------------------------------------------------------------------
   6. SINGLE COURSE DETAIL PAGE STYLES
   -------------------------------------------------------------------------- */
.rex-course-hero {
    background: linear-gradient(135deg, #0a0f1c 0%, #172554 100%);
    color: #ffffff;
    padding: 60px 0 50px;
    position: relative;
    overflow: hidden;
}

.rex-course-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(81, 146, 204, 0.25) 0%, transparent 70%);
    pointer-events: none;
}

.rex-course-hero-container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 2;
}

.rex-course-breadcrumbs {
    font-size: 0.85rem;
    color: #94a3b8;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.rex-course-breadcrumbs a {
    color: #94a3b8;
    transition: color 0.2s;
}

.rex-course-breadcrumbs a:hover {
    color: var(--rex-blue);
}

.rex-course-hero-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 9999px;
    background: rgba(81, 146, 204, 0.2);
    color: #93c5fd;
    border: 1px solid rgba(81, 146, 204, 0.4);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.rex-course-hero-title {
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    font-weight: 900;
    color: #ffffff;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.rex-course-hero-subtitle {
    font-size: 1.1rem;
    color: #cbd5e1;
    max-width: 760px;
    line-height: 1.65;
    margin-bottom: 24px;
}

.rex-course-hero-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 0.92rem;
    color: #e2e8f0;
}

.rex-course-hero-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.08);
    padding: 6px 14px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.rex-course-hero-meta-item i {
    color: var(--rex-blue);
}

/* Course Main Layout */
.rex-course-body-section {
    padding: 60px 0 90px;
    background: #f8fafc;
}

.rex-course-layout-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 40px;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
    align-items: start;
}

/* Left Content Column */
.rex-course-main-col {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.rex-course-card-block {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 36px;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04);
}

.rex-course-block-title {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--rex-text-dark);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
    border-bottom: 2px solid #f1f5f9;
    display: flex;
    align-items: center;
    gap: 12px;
}

.rex-course-block-title i {
    color: var(--rex-blue);
}

.rex-course-overview-text {
    font-size: 1.02rem;
    line-height: 1.75;
    color: #475569;
}

/* Highlights list */
.rex-highlights-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 10px;
}

.rex-highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.94rem;
    color: #334155;
    line-height: 1.5;
}

.rex-highlight-item i {
    color: #10b981;
    font-size: 1.1rem;
    margin-top: 2px;
    flex-shrink: 0;
}

/* Curriculum list */
.rex-curriculum-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.rex-curriculum-item {
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 16px 20px;
    background: #fbfcfe;
    transition: all 0.25s ease;
}

.rex-curriculum-item:hover {
    border-color: var(--rex-blue);
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(81, 146, 204, 0.1);
}

.rex-curriculum-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 700;
    color: #1e293b;
    font-size: 1rem;
}

.rex-curriculum-tag {
    font-size: 0.75rem;
    font-weight: 800;
    padding: 3px 10px;
    border-radius: 9999px;
    background: var(--rex-blue-light);
    color: var(--rex-blue);
}

/* Tools tags */
.rex-course-tools-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 10px;
}

.rex-course-tool-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: #f1f5f9;
    border-radius: 9999px;
    font-size: 0.88rem;
    font-weight: 700;
    color: #334155;
    border: 1px solid #e2e8f0;
}

.rex-course-tool-pill i {
    color: var(--rex-blue);
}

/* Sticky Sidebar */
.rex-course-sidebar-col {
    position: sticky;
    top: 90px;
}

.rex-course-pricing-card {
    background: #ffffff;
    border: 1.5px solid var(--rex-blue);
    border-radius: 22px;
    padding: 32px 28px;
    box-shadow: 0 16px 36px rgba(81, 146, 204, 0.14);
}

.rex-course-price-wrap {
    display: flex;
    align-items: baseline;
    gap: 14px;
    margin-bottom: 8px;
}

.rex-current-price {
    font-size: 2.2rem;
    font-weight: 900;
    color: #0f172a;
    line-height: 1;
}

.rex-old-price {
    font-size: 1.2rem;
    color: #94a3b8;
    text-decoration: line-through;
}

.rex-price-badge {
    display: inline-block;
    background: #10b981;
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 800;
    padding: 3px 10px;
    border-radius: 9999px;
    text-transform: uppercase;
    margin-bottom: 18px;
}

.rex-sidebar-feature-list {
    list-style: none;
    padding: 0;
    margin: 20px 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 0.92rem;
    color: #334155;
    border-top: 1px dashed #e2e8f0;
    border-bottom: 1px dashed #e2e8f0;
    padding-top: 18px;
    padding-bottom: 18px;
}

.rex-sidebar-feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
}

.rex-sidebar-feature-list li i {
    color: var(--rex-blue);
    width: 16px;
    text-align: center;
}

.rex-btn-enroll-now {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 14px 24px;
    background: var(--rex-blue);
    color: #ffffff;
    border-radius: 9999px;
    font-size: 1.05rem;
    font-weight: 800;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 8px 24px rgba(81, 146, 204, 0.35);
    text-decoration: none;
    border: none;
    cursor: pointer;
}

.rex-btn-enroll-now:hover {
    background: var(--rex-blue-dark);
    box-shadow: 0 12px 28px rgba(81, 146, 204, 0.45);
    transform: translateY(-2px);
    color: #ffffff;
}

.rex-btn-whatsapp-query {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 12px 24px;
    background: #25d366;
    color: #ffffff;
    border-radius: 9999px;
    font-size: 0.95rem;
    font-weight: 700;
    text-align: center;
    margin-top: 12px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.rex-btn-whatsapp-query:hover {
    background: #1eb956;
    transform: translateY(-2px);
    color: #ffffff;
}

.rex-guarantee-note {
    font-size: 0.78rem;
    color: #64748b;
    text-align: center;
    margin-top: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

@media (max-width: 1024px) {
    .rex-course-layout-grid {
        grid-template-columns: 1fr;
    }
    .rex-highlights-grid {
        grid-template-columns: 1fr;
    }
    .rex-course-sidebar-col {
        position: static;
    }
}