/*
 * Vidyanex - Core Premium Stylesheet
 * Incorporates Modern HSL Colors, Sleek Dark Mode variables, Glassmorphic components, and micro-interactions.
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Plus Jakarta Sans', sans-serif;
    
    /* Light Mode Variables */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --color-text-main: #0f172a;
    --color-text-muted: #475569;
    --color-brand-primary: #4f46e5;
    --color-brand-secondary: #7c3aed;
    --color-accent: #06b6d4;
    
    --border-color: #e2e8f0;
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(226, 232, 240, 0.8);
    --glass-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.08);
    
    --transition-fast: 0.18s ease;
    --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
}

/* Browser Surfaces (Selection, Scrollbar, Focus) */
::selection {
    background: rgba(79, 70, 229, 0.22);
    color: #4338ca;
}

::-webkit-scrollbar {
    width: 9px;
    height: 9px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 999px;
    border: 2px solid #f1f5f9;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

:focus-visible {
    outline: 2px solid var(--color-brand-primary);
    outline-offset: 2px;
}

[data-theme="dark"] {
    /* Dark Mode Variables */
    --bg-primary: #09090b;
    --bg-secondary: #121214;
    --bg-tertiary: #1a1a1e;
    --color-text-main: #f4f4f5;
    --color-text-muted: #a1a1aa;
    --color-brand-primary: #6366f1;
    --color-brand-secondary: #8b5cf6;
    --color-accent: #22d3ee;
    
    --border-color: #27272a;
    --glass-bg: rgba(18, 18, 20, 0.8);
    --glass-border: rgba(39, 39, 42, 0.6);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--color-text-main);
    transition: background-color var(--transition-smooth), color var(--transition-smooth);
    margin: 0;
    overflow-x: hidden;
}

/* Redesign Headers */
h1, h2, h3, h4, h5, h6, .display-1, .display-2, .display-3, .display-4 {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Glassmorphism Styles */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: var(--radius-md);
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-fast);
}

.glass-panel-hover:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 242, 254, 0.3);
    box-shadow: 0 12px 40px rgba(0, 242, 254, 0.15);
}

/* Floating Drop Shadow Cards & Badges System */
.drop-shadow-card {
    background: var(--bg-secondary, #ffffff);
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 20px;
    box-shadow: 0 20px 40px -15px rgba(15, 23, 42, 0.12), 0 8px 16px -8px rgba(15, 23, 42, 0.08);
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-fast);
}

.drop-shadow-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 30px 60px -15px rgba(99, 102, 241, 0.2), 0 12px 24px -8px rgba(15, 23, 42, 0.1);
}

.drop-shadow-pill {
    background: var(--bg-secondary, #ffffff);
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 9999px;
    box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.drop-shadow-pill:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 35px -8px rgba(99, 102, 241, 0.18);
}

[data-theme="dark"] .drop-shadow-card,
[data-theme="dark"] .drop-shadow-pill {
    background: #121214;
    border-color: rgba(39, 39, 42, 0.8);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.6), 0 8px 16px -8px rgba(0, 0, 0, 0.4);
}

/* Glowing outline border modifier */
.glow-border {
    position: relative;
}
.glow-border::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, var(--color-brand-primary), var(--color-brand-secondary));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0.35;
    transition: opacity var(--transition-fast);
}
.glow-border:hover::after {
    opacity: 0.9;
}

/* Linear Gradients */
.gradient-text {
    background: linear-gradient(135deg, var(--color-brand-primary), var(--color-brand-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

.gradient-bg {
    background: linear-gradient(135deg, var(--color-brand-primary), var(--color-brand-secondary));
    color: #ffffff;
}

/* Custom Nav Header */
.sticky-nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    transition: background var(--transition-fast), border-color var(--transition-fast);
}

[data-theme="dark"] .sticky-nav {
    background: rgba(9, 9, 11, 0.88);
    border-bottom: 1px solid rgba(39, 39, 42, 0.8);
}

/* Interactive Buttons */
.btn-premium {
    background: linear-gradient(135deg, var(--color-brand-primary), var(--color-brand-secondary));
    color: #05070f !important;
    border: none;
    border-radius: var(--radius-sm);
    padding: 12px 28px;
    font-weight: 600;
    letter-spacing: 0.02em;
    box-shadow: 0 4px 20px rgba(0, 242, 254, 0.3);
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    transition: all 0.6s ease;
}

.btn-premium:hover::before {
    left: 100%;
}

.btn-premium:hover {
    opacity: 1;
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 24px rgba(0, 242, 254, 0.5);
    color: #05070f !important;
}

.btn-premium-outline {
    background: transparent;
    color: var(--color-brand-primary) !important;
    border: 2.5px solid var(--color-brand-primary);
    border-radius: var(--radius-sm);
    padding: 10px 26px;
    font-weight: 600;
    transition: all var(--transition-smooth);
}

.btn-premium-outline:hover {
    background: linear-gradient(135deg, var(--color-brand-primary), var(--color-brand-secondary));
    color: #05070f !important;
    border-color: transparent;
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 24px rgba(0, 242, 254, 0.4);
}

/* Floating Action Trigger Buttons */
.floating-cta {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
}

.floating-chat-trigger {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-brand-primary), var(--color-accent));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 8px 24px rgba(6, 182, 212, 0.4);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.floating-chat-trigger:hover {
    transform: scale(1.08);
}

/* Modern Dashboard Layout Framework */
.dashboard-container {
    display: flex;
    min-height: 100vh;
}

.dashboard-sidebar {
    width: 260px;
    background: var(--bg-secondary);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border-right: 1px solid var(--border-color);
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    transition: width var(--transition-smooth);
    height: 100vh;
    position: sticky;
    top: 0;
    overflow-y: auto;
}

.dashboard-content {
    flex-grow: 1;
    padding: 30px;
    background-color: transparent;
    overflow-y: auto;
}

.sidebar-menu-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: var(--color-text-muted);
    text-decoration: none;
    border-radius: var(--radius-sm);
    margin-bottom: 6px;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.sidebar-menu-item i {
    margin-right: 12px;
    font-size: 18px;
}

.sidebar-menu-item:hover, .sidebar-menu-item.active {
    background-color: rgba(0, 242, 254, 0.1);
    color: var(--color-brand-primary);
}

/* Dashboard Cards */
.stat-card {
    padding: 24px;
    border-radius: var(--radius-md);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    transition: all var(--transition-smooth);
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 242, 254, 0.3);
    box-shadow: 0 12px 40px rgba(0, 242, 254, 0.15);
}

/* Live Chat Widget Box */
.chat-widget-box {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 380px;
    height: 500px;
    display: none;
    flex-direction: column;
    z-index: 1000;
    overflow: hidden;
}

.chat-header {
    background: linear-gradient(135deg, var(--color-brand-primary), var(--color-brand-secondary));
    color: white;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chat-messages-container {
    flex-grow: 1;
    padding: 16px;
    overflow-y: auto;
    background-color: var(--bg-primary);
}

.chat-bubble {
    max-width: 75%;
    padding: 10px 14px;
    border-radius: 18px;
    margin-bottom: 12px;
    font-size: 14px;
    line-height: 1.4;
}

.chat-bubble.sent {
    background-color: var(--color-brand-primary);
    color: white;
    margin-left: auto;
    border-bottom-right-radius: 4px;
}

.chat-bubble.received {
    background-color: var(--border-color);
    color: var(--color-text-main);
    margin-right: auto;
    border-bottom-left-radius: 4px;
}

.chat-input-area {
    padding: 12px;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
}

.chat-input-area input {
    flex-grow: 1;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 8px 16px;
    outline: none;
    font-size: 14px;
}

/* Mobile Responsive Sidebar Overlays */
@media (max-width: 991px) {
    .dashboard-sidebar {
        position: fixed;
        left: -260px;
        top: 0;
        bottom: 0;
        z-index: 1050;
        box-shadow: 0 8px 30px rgba(0,0,0,0.1);
    }
    
    .dashboard-sidebar.show {
        left: 0;
    }
    
    .chat-widget-box {
        width: 90%;
        right: 5%;
        left: 5%;
    }
}

/* Table and question image scaling inside mathjax-render-zone */
.mathjax-render-zone img {
    max-height: 80px;
    width: auto;
    object-fit: contain;
    vertical-align: middle;
    margin: 4px;
}

/* Iframe mode layout styles */
html.iframe-mode .dashboard-sidebar {
    display: none !important;
}
html.iframe-mode .dashboard-container {
    display: block !important;
}
html.iframe-mode .dashboard-content {
    padding: 20px 20px 100px 20px !important;
    width: 100% !important;
    min-height: 100vh !important;
    background-color: var(--bg-primary) !important;
}
html.iframe-mode header.sticky-nav, 
html.iframe-mode header.navbar,
html.iframe-mode header.sticky-top,
html.iframe-mode .topbar-wrapper, 
html.iframe-mode #topbar,
html.iframe-mode .admin-tab-bar {
    display: none !important;
}

/* Parent dashboard tab bar */
.admin-tab-bar {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 8px 16px 0 16px;
    display: flex;
    align-items: center;
    gap: 4px;
    overflow-x: auto;
    white-space: nowrap;
    flex-wrap: nowrap !important;
}
.admin-tab-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-bottom: none;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-muted);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.admin-tab-item:hover {
    background-color: var(--bg-secondary);
    color: var(--color-text-main);
}
.admin-tab-item.active {
    background-color: var(--bg-secondary);
    color: var(--color-brand-primary);
    border-bottom: 1px solid var(--bg-secondary);
    font-weight: 600;
}
.admin-tab-close {
    font-size: 11px;
    color: var(--color-text-muted);
    cursor: pointer;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast);
}
.admin-tab-close:hover {
    background-color: #ef4444;
    color: white;
}

/* Tab contents iframe container */
.admin-tab-pane {
    width: 100%;
    height: calc(100vh - 120px);
    border: none;
}
.admin-tab-pane-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    overflow: hidden;
}
.admin-tab-pane-container.active {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}

/* Premium Form Input Enhancements */
.form-control:focus {
    border-color: var(--color-brand-primary) !important;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.15) !important;
}

/* Reference site navigation styles (Online Growth Hub style) */
.sticky-nav {
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}
.brand-icon {
    color: var(--color-brand-primary);
    transition: all 0.3s ease;
}
.sticky-nav a:hover .brand-icon {
    transform: rotate(-10deg) scale(1.1);
    color: var(--color-brand-secondary);
}
.sticky-nav .nav-link {
    color: #333 !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 16px !important;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}
.sticky-nav .nav-link i {
    font-size: 1rem;
    opacity: 0.7;
    transition: all 0.3s ease;
}
.sticky-nav .nav-link:hover {
    background: rgba(102, 126, 234, 0.1);
    color: var(--color-brand-primary) !important;
    transform: translateY(-2px);
}
.sticky-nav .nav-link:hover i {
    opacity: 1;
    transform: scale(1.1);
}
.sticky-nav .nav-link.active {
    background: linear-gradient(135deg, var(--color-brand-primary) 0%, var(--color-brand-secondary) 100%) !important;
    color: white !important;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}
.sticky-nav .nav-link.active i {
    opacity: 1;
    color: white;
}
.btn-register-ref {
    background: linear-gradient(135deg, var(--color-brand-primary) 0%, var(--color-brand-secondary) 100%);
    border: none;
    border-radius: 25px;
    padding: 8px 20px;
    font-weight: 600;
    color: white !important;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}
.btn-register-ref:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    opacity: 0.95;
}
.login-link-ref {
    color: var(--color-brand-primary) !important;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
    text-decoration: none;
}
.login-link-ref:hover {
    background: rgba(102, 126, 234, 0.1);
    color: var(--color-brand-secondary) !important;
}

/* Diagonal split background for hero */
.hero-section-ref {
    position: relative;
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    overflow: hidden;
}
.hero-section-ref::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-brand-primary) 0%, var(--color-brand-secondary) 100%);
    clip-path: polygon(20% 0, 100% 0, 100% 100%, 0% 100%);
    opacity: 0.08;
    z-index: 0;
}

/* Testimonial Card reference styles */
.testimonial-card-ref {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}
.testimonial-card-ref:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.07);
}
.testimonial-card-ref.highlighted {
    border: 1.5px solid var(--color-brand-primary) !important;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.15) !important;
}
.quote-icon-ref {
    color: var(--color-brand-primary);
    opacity: 0.25;
    font-size: 2.2rem;
    line-height: 1;
    margin-bottom: 2px;
}

/* Scroll & Load Micro-animations: baseline is always visible to prevent content lockout */
.reveal-on-scroll,
.reveal-left,
.reveal-right,
.reveal-scale {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

/* Stagger delays */
.delay-100 { transition-delay: 80ms; }
.delay-200 { transition-delay: 160ms; }
.delay-300 { transition-delay: 240ms; }
.delay-400 { transition-delay: 320ms; }
.delay-500 { transition-delay: 400ms; }

/* Dark theme support for landing page cards */
[data-theme="dark"] .bg-white {
    background-color: var(--bg-secondary) !important;
}
[data-theme="dark"] .testimonial-card-ref {
    background-color: var(--bg-secondary) !important;
    border-color: var(--border-color) !important;
}
[data-theme="dark"] .card {
    background-color: var(--bg-secondary) !important;
    color: var(--color-text-main) !important;
}
[data-theme="dark"] .card .text-dark-emphasis {
    color: var(--color-text-main) !important;
}
[data-theme="dark"] .card .bg-light {
    background-color: var(--bg-tertiary) !important;
    border-color: var(--border-color) !important;
}
[data-theme="dark"] .bg-gradient-light-dark {
    background: linear-gradient(135deg, #09090b 0%, #121214 100%) !important;
}
.bg-gradient-light-dark {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.02) 0%, rgba(118, 75, 162, 0.02) 100%);
}
.bg-gradient-primary {
    background: linear-gradient(135deg, var(--color-brand-primary) 0%, var(--color-brand-secondary) 100%) !important;
}

/* Quiz interaction buttons hover glows */
.quiz-btn {
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.quiz-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.2);
}

/* Quiz Custom Styles */
.quiz-step h4 {
    color: var(--color-text-main);
    font-size: 1.35rem;
    letter-spacing: -0.02em;
}

/* Custom interactive quiz option cards */
.quiz-option-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    cursor: pointer;
    text-align: left;
    width: 100%;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.01);
}

.quiz-option-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--color-brand-primary), var(--color-brand-secondary));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.quiz-option-card:hover {
    transform: translateY(-3px) scale(1.01);
    border-color: rgba(102, 126, 234, 0.4) !important;
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.08);
}

.quiz-option-card:hover::before {
    opacity: 1;
}

/* Icon box inside card */
.quiz-icon-box {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

/* Specific colors for icon boxes */
.quiz-icon-yellow {
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
}
.quiz-icon-blue {
    background: rgba(59, 130, 246, 0.1);
    color: #2563eb;
}
.quiz-icon-green {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
}
.quiz-icon-cyan {
    background: rgba(6, 182, 212, 0.1);
    color: #0891b2;
}
.quiz-icon-red {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
}

.quiz-option-card:hover .quiz-icon-box {
    transform: scale(1.1);
}

/* Quiz Option Text */
.quiz-option-text {
    flex-grow: 1;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--color-text-main);
}

/* Chevron indicator */
.quiz-chevron {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    opacity: 0.5;
    transition: all 0.3s ease;
}

.quiz-option-card:hover .quiz-chevron {
    transform: translateX(4px);
    opacity: 1;
    color: var(--color-brand-primary);
}

/* Grade buttons grid */
.quiz-grade-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 14px;
    font-weight: 700;
    font-size: 1.02rem;
    color: var(--color-text-main);
    transition: all 0.3s ease;
    cursor: pointer;
    width: 100%;
}

.quiz-grade-btn:hover {
    background: linear-gradient(135deg, var(--color-brand-primary), var(--color-brand-secondary)) !important;
    color: #ffffff !important;
    border-color: transparent !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(102, 126, 234, 0.3);
}

/* Step Animations */
.quiz-step {
    animation: quizFadeIn 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

@keyframes quizFadeIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Orbiting graphic visual (Sisya Class inspired) */
.orbit-container {
    position: relative;
    width: 480px;
    height: 480px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Central profile image */
.orbit-center {
    width: 270px;
    height: 270px;
    border-radius: 50%;
    border: 4px solid var(--bg-secondary);
    box-shadow: 0 0 45px rgba(102, 126, 234, 0.25);
    background-color: var(--bg-secondary);
    overflow: hidden;
    z-index: 10;
    position: relative;
}

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

/* Outer orbit line */
.orbit-line {
    position: absolute;
    width: 390px;
    height: 390px;
    border: 1px dashed var(--color-brand-primary);
    border-radius: 50%;
    opacity: 0.6;
    z-index: 1;
}

/* Spinning wrapper */
.orbit-ring {
    position: absolute;
    width: 390px;
    height: 390px;
    z-index: 5;
    animation: orbitSpin 35s linear infinite;
    transform-style: preserve-3d;
}

/* Individual orbit item */
.orbit-item {
    position: absolute;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.22rem;
    animation: orbitCounterSpin 35s linear infinite;
}

/* Position orbit items mathematically along the 390px diameter circle (radius 195px) */
.orbit-item-1 {
    top: -24px;
    left: 171px;
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
    border-color: rgba(245, 158, 11, 0.2);
}
.orbit-item-2 {
    top: 74px;
    left: 340px;
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    border-color: rgba(16, 185, 129, 0.2);
}
.orbit-item-3 {
    top: 268px;
    left: 340px;
    background: rgba(59, 130, 246, 0.1);
    color: #2563eb;
    border-color: rgba(59, 130, 246, 0.2);
}
.orbit-item-4 {
    top: 366px;
    left: 171px;
    background: rgba(6, 182, 212, 0.1);
    color: #0891b2;
    border-color: rgba(6, 182, 212, 0.2);
}
.orbit-item-5 {
    top: 268px;
    left: 2px;
    background: rgba(139, 92, 246, 0.1);
    color: #7c3aed;
    border-color: rgba(139, 92, 246, 0.2);
}
.orbit-item-6 {
    top: 74px;
    left: 2px;
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border-color: rgba(239, 68, 68, 0.2);
}

@keyframes orbitSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes orbitCounterSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(-360deg); }
}

/* Personalized highlights */
.personalized-highlight {
    border: 2px solid var(--color-brand-primary) !important;
    transform: scale(1.02);
    box-shadow: 0 12px 30px rgba(102, 126, 234, 0.15) !important;
    opacity: 1 !important;
}

[data-theme="dark"] .personalized-highlight {
    border-color: var(--color-brand-secondary) !important;
    box-shadow: 0 12px 35px rgba(139, 92, 246, 0.2) !important;
}

/* Admin Tab Pane Container and Iframe Layout */
.admin-tab-pane-container {
    display: none;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
}

.admin-tab-pane-container.active {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    pointer-events: auto !important;
}

.admin-tab-pane {
    width: 100%;
    height: 100%;
    border: none;
}
.profile-badge-hover {
    transition: all 0.2s ease;
    cursor: pointer;
}
.profile-badge-hover:hover {
    background: rgba(99, 102, 241, 0.08) !important;
    border-color: rgba(99, 102, 241, 0.3) !important;
    transform: translateY(-1px);
}

/* ========================================================
   Impeccable Design Polish: Lead Form & Hero Refinement
   ======================================================== */

/* Prevent form card jumping on hover; ensure steady tactile input */
#home-lead-form-card {
    transform: none !important;
    border: 1px solid rgba(99, 102, 241, 0.2);
    box-shadow: 0 16px 36px -10px rgba(15, 23, 42, 0.08), 0 0 0 1px rgba(99, 102, 241, 0.05);
    background: var(--bg-secondary);
    border-radius: 20px;
    transition: box-shadow var(--transition-smooth), border-color var(--transition-fast);
}

[data-theme="dark"] #home-lead-form-card {
    background: #121214;
    border-color: rgba(99, 102, 241, 0.25);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.7);
}

#home-lead-form-card:focus-within {
    border-color: var(--color-brand-primary);
    box-shadow: 0 20px 40px -10px rgba(99, 102, 241, 0.15), 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Polished Hero Trust Indicators Bar */
.hero-trust-bar {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 9999px;
    box-shadow: 0 4px 15px rgba(15, 23, 42, 0.04);
}

[data-theme="dark"] .hero-trust-bar {
    background: #121214;
    border-color: rgba(39, 39, 42, 0.8);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.hero-trust-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.hero-trust-item strong {
    color: var(--color-text-main);
    font-weight: 700;
}

.hero-trust-divider {
    width: 1px;
    height: 14px;
    background: var(--border-color);
}

/* Form inputs refinement */
#home-lead-form .form-control {
    border-radius: 10px;
    padding: 10px 14px;
    border: 1.5px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--color-text-main);
    font-size: 0.92rem;
    transition: all var(--transition-fast);
}

#home-lead-form .form-control:focus {
    background: var(--bg-secondary);
    border-color: var(--color-brand-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

.input-group-text-flag {
    background: var(--bg-tertiary);
    border: 1.5px solid var(--border-color);
    border-right: none;
    border-radius: 10px 0 0 10px;
    color: var(--color-text-muted);
    font-weight: 600;
    font-size: 0.88rem;
    padding: 10px 12px;
}

#home-lead-form .input-group .form-control {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

/* Urgency badge token conformity */
.urgency-badge-token {
    background: rgba(245, 158, 11, 0.12);
    border: 1px solid rgba(245, 158, 11, 0.35);
    color: #b45309;
    font-weight: 600;
    font-size: 0.84rem;
}

[data-theme="dark"] .urgency-badge-token {
    background: rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.4);
    color: #fbbf24;
}

.lead-form-advisory-badge {
    background: rgba(99, 102, 241, 0.12);
    color: var(--color-brand-primary);
    font-size: 0.8rem;
    letter-spacing: 0.05em;
}

.lead-form-online-indicator {
    font-size: 0.8rem;
}

.metric-bar-header {
    letter-spacing: 0.15em;
    font-size: 0.85rem;
}

.metric-sub-label {
    letter-spacing: 0.05em;
    font-size: 0.85rem;
}

/* ==========================================================================
   FIGMA-GRADE WORLD-CLASS LANDING PAGE DESIGN SYSTEM (Vidyanex 2026)
   ========================================================================== */

/* 1. Hero Section Figma World */
.hero-section-figma {
    position: relative;
    padding: 70px 0 60px 0;
    background: 
        radial-gradient(circle at 12% 18%, rgba(79, 70, 229, 0.09) 0%, transparent 45%),
        radial-gradient(circle at 88% 28%, rgba(168, 85, 247, 0.08) 0%, transparent 45%),
        radial-gradient(circle at 50% 90%, rgba(6, 182, 212, 0.05) 0%, transparent 50%),
        var(--bg-primary);
    overflow: hidden;
}

[data-theme="dark"] .hero-section-figma {
    background: 
        radial-gradient(circle at 12% 18%, rgba(99, 102, 241, 0.15) 0%, transparent 45%),
        radial-gradient(circle at 88% 28%, rgba(168, 85, 247, 0.12) 0%, transparent 45%),
        #09090b;
}

/* Hero Live Badge Pill */
.hero-live-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(79, 70, 229, 0.2);
    border-radius: 9999px;
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.08);
    font-size: 0.84rem;
    font-weight: 600;
    color: #4338ca;
    backdrop-filter: blur(10px);
    margin-bottom: 20px;
}

[data-theme="dark"] .hero-live-badge {
    background: rgba(18, 18, 20, 0.85);
    border-color: rgba(99, 102, 241, 0.35);
    color: #a5b4fc;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    position: relative;
    display: inline-block;
}
.pulse-dot::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background: #10b981;
    opacity: 0.4;
    animation: pulseGlow 1.8s infinite;
}
@keyframes pulseGlow {
    0% { transform: scale(0.9); opacity: 0.8; }
    50% { transform: scale(2.0); opacity: 0; }
    100% { transform: scale(0.9); opacity: 0; }
}

/* Hero Typography */
.hero-heading {
    font-family: var(--font-sans);
    font-size: clamp(2.4rem, 4.5vw, 3.8rem);
    font-weight: 800;
    letter-spacing: -0.035em;
    line-height: 1.12;
    color: var(--color-text-main);
    margin-bottom: 18px;
}

.hero-gradient-text {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #06b6d4 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.hero-subtext {
    font-size: 1.15rem;
    line-height: 1.65;
    color: var(--color-text-muted);
    max-width: 580px;
    margin-bottom: 28px;
}

/* Hero CTA Buttons */
.btn-hero-primary {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    color: #ffffff !important;
    font-weight: 600;
    font-size: 1rem;
    padding: 13px 28px;
    border-radius: 12px;
    border: none;
    box-shadow: 0 10px 24px -5px rgba(79, 70, 229, 0.4);
    transition: all var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}
.btn-hero-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 32px -5px rgba(79, 70, 229, 0.5);
    color: #ffffff !important;
}

.btn-hero-secondary {
    background: var(--bg-secondary);
    color: var(--color-text-main) !important;
    font-weight: 600;
    font-size: 1rem;
    padding: 12px 26px;
    border-radius: 12px;
    border: 1.5px solid var(--border-color);
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.05);
    transition: all var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}
.btn-hero-secondary:hover {
    background: var(--bg-tertiary);
    border-color: #cbd5e1;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
}

/* Social Proof Avatar Strip */
.hero-social-proof {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(226, 232, 240, 0.7);
    border-radius: 9999px;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
}
[data-theme="dark"] .hero-social-proof {
    background: rgba(18, 18, 20, 0.7);
    border-color: rgba(39, 39, 42, 0.8);
}

.avatar-stack {
    display: flex;
    align-items: center;
}
.avatar-stack-item {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 2px solid #ffffff;
    margin-left: -9px;
    object-fit: cover;
    background: #e2e8f0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    font-weight: 700;
    color: #ffffff;
}
.avatar-stack-item:first-child {
    margin-left: 0;
}
[data-theme="dark"] .avatar-stack-item {
    border-color: #121214;
}

/* 2. Figma Interactive Product Showcase Card (Hero Right) */
.figma-showcase-card {
    background: var(--bg-secondary);
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.14), 0 0 0 1px rgba(79, 70, 229, 0.06);
    overflow: hidden;
    position: relative;
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}
[data-theme="dark"] .figma-showcase-card {
    background: #121214;
    border-color: rgba(39, 39, 42, 0.9);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
}

.figma-showcase-header {
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mac-dots {
    display: flex;
    align-items: center;
    gap: 6px;
}
.mac-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    display: inline-block;
}
.mac-dot-red { background: #ef4444; }
.mac-dot-yellow { background: #f59e0b; }
.mac-dot-green { background: #10b981; }

.showcase-tab-btn {
    border: none;
    background: transparent;
    padding: 6px 14px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-text-muted);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.showcase-tab-btn.active {
    background: var(--bg-secondary);
    color: var(--color-brand-primary);
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06);
}

/* Live Classroom Visual Canvas */
.classroom-canvas {
    background: linear-gradient(180deg, #0f172a 0%, #1e1b4b 100%);
    color: #f8fafc;
    padding: 20px;
    border-radius: 16px;
    margin: 16px;
    position: relative;
    overflow: hidden;
}

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

.teacher-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    padding: 6px 12px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.12);
}
.teacher-avatar-mini {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #4f46e5;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.75rem;
    color: white;
}

.live-indicator-pill {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #fca5a5;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 9999px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.live-red-dot {
    width: 6px;
    height: 6px;
    background: #ef4444;
    border-radius: 50%;
    animation: pulseGlow 1.5s infinite;
}

/* Whiteboard Concept Area */
.whiteboard-box {
    background: rgba(255, 255, 255, 0.05);
    border: 1px dashed rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 14px 16px;
    margin-bottom: 16px;
}

.whiteboard-title {
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #94a3b8;
    margin-bottom: 6px;
}
.whiteboard-formula {
    font-family: 'Space Grotesk', monospace;
    font-size: 1.15rem;
    font-weight: 700;
    color: #38bdf8;
    margin-bottom: 4px;
}

/* Live Concept Poll Widget */
.poll-widget {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    padding: 12px 14px;
}
.poll-question {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #ffffff;
}
.poll-bar {
    position: relative;
    height: 28px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    padding: 0 10px;
    font-size: 0.78rem;
    font-weight: 600;
    color: #ffffff;
}
.poll-bar-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: linear-gradient(90deg, #10b981 0%, #059669 100%);
    border-radius: 6px;
    z-index: 1;
}
.poll-bar-text {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    width: 100%;
}

/* Floating Micro Badges */
.floating-chip {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    padding: 8px 14px;
    border-radius: 14px;
    border: 1px solid rgba(226, 232, 240, 0.8);
    box-shadow: 0 12px 28px -4px rgba(15, 23, 42, 0.12);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 700;
    z-index: 20;
    animation: floatAnim 4s ease-in-out infinite;
}
[data-theme="dark"] .floating-chip {
    background: rgba(18, 18, 20, 0.92);
    border-color: rgba(39, 39, 42, 0.8);
    color: #ffffff;
}
.floating-chip-top {
    top: 24px;
    right: -16px;
    animation-delay: 0s;
}
.floating-chip-bottom {
    bottom: 24px;
    left: -16px;
    animation-delay: 2s;
}
@keyframes floatAnim {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* Dark mode text & contrast conformity */
[data-theme="dark"] h1, 
[data-theme="dark"] h2, 
[data-theme="dark"] h3, 
[data-theme="dark"] h4, 
[data-theme="dark"] h5, 
[data-theme="dark"] h6,
[data-theme="dark"] .text-dark-emphasis {
    color: #f8fafc !important;
}

[data-theme="dark"] .text-secondary {
    color: #94a3b8 !important;
}

[data-theme="dark"] .bg-light-subtle {
    background-color: #09090b !important;
}

/* 3. Floating Metrics Island */
.stats-island-figma {
    background: var(--bg-secondary);
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 24px;
    box-shadow: 0 20px 40px -15px rgba(15, 23, 42, 0.1);
    padding: 28px 36px;
    position: relative;
    z-index: 10;
    margin-top: -35px;
    margin-bottom: 40px;
}
[data-theme="dark"] .stats-island-figma {
    background: #121214;
    border-color: rgba(39, 39, 42, 0.8);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
}

.stat-metric-val {
    font-family: var(--font-sans);
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.1;
    margin-bottom: 4px;
}

.stat-metric-label {
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
}

/* 4. Bento Grid (Why Vidyanex Outperforms) */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
}

.bento-card {
    background: var(--bg-secondary);
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 24px;
    padding: 32px;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.04);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-fast);
}
.bento-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 36px -10px rgba(79, 70, 229, 0.15);
    border-color: rgba(79, 70, 229, 0.3);
}

[data-theme="dark"] .bento-card {
    background: #121214;
    border-color: rgba(39, 39, 42, 0.8);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.bento-icon-pill {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}
.bento-icon-indigo { background: rgba(79, 70, 229, 0.1); color: #4f46e5; }
.bento-icon-purple { background: rgba(147, 51, 234, 0.1); color: #9333ea; }
.bento-icon-cyan { background: rgba(6, 182, 212, 0.1); color: #0891b2; }
.bento-icon-emerald { background: rgba(16, 185, 129, 0.1); color: #059669; }
.bento-icon-amber { background: rgba(245, 158, 11, 0.1); color: #d97706; }

.bento-col-8 { grid-column: span 7; }
.bento-col-4 { grid-column: span 5; }
.bento-col-3 { grid-column: span 4; }

@media (max-width: 991px) {
    .bento-col-8, .bento-col-4, .bento-col-3 {
        grid-column: span 12;
    }
}

/* 5. Course Card Figma Upgrade */
.course-card-figma {
    background: var(--bg-secondary);
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 20px;
    box-shadow: 0 4px 18px rgba(15, 23, 42, 0.05);
    overflow: hidden;
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-fast);
    display: flex;
    flex-direction: column;
    height: 100%;
}
.course-card-figma:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px -10px rgba(79, 70, 229, 0.2);
    border-color: rgba(79, 70, 229, 0.3);
}

[data-theme="dark"] .course-card-figma {
    background: #121214;
    border-color: rgba(39, 39, 42, 0.8);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.4);
}

.course-banner-gradient {
    height: 170px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
}

.course-banner-free {
    background: linear-gradient(135deg, #059669 0%, #10b981 100%);
}
.course-banner-trial {
    background: linear-gradient(135deg, #d97706 0%, #f59e0b 100%);
}
.course-banner-premium {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
}

.course-tag-pill {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    border-radius: 9999px;
    font-size: 0.74rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    color: #ffffff;
}

.course-price-pill {
    font-family: var(--font-sans);
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--color-brand-primary);
}

/* 6. Testimonial Card Figma Upgrade */
.testimonial-card-figma {
    background: var(--bg-secondary);
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 20px;
    padding: 28px;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.04);
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
    display: flex;
    flex-direction: column;
    height: 100%;
}
.testimonial-card-figma:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 36px -10px rgba(15, 23, 42, 0.12);
}
.testimonial-card-figma.highlighted {
    border: 1.5px solid #4f46e5;
    box-shadow: 0 12px 32px -8px rgba(79, 70, 229, 0.2);
}

[data-theme="dark"] .testimonial-card-figma {
    background: #121214;
    border-color: rgba(39, 39, 42, 0.8);
}

/* 7. High-Impact Closing CTA Banner */
.closing-cta-banner {
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4338ca 100%);
    border-radius: 28px;
    padding: 56px 40px;
    color: #ffffff;
    box-shadow: 0 25px 50px -12px rgba(49, 46, 129, 0.4);
    position: relative;
    overflow: hidden;
}
.closing-cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.3) 0%, transparent 70%);
    pointer-events: none;
}