:root {
    --bg-primary: #0a0f1c;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    --accent-primary: #3b82f6;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #3b82f6, #8b5cf6);
    --accent-glow: rgba(59, 130, 246, 0.5);
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

.bg-animation {
    position: fixed; inset: 0; z-index: -1; overflow: hidden;
}
.bg-animation::before {
    content: ''; position: absolute; width: 150%; height: 150%; top: -25%; left: -25%;
    background: radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 40% 60%, rgba(16, 185, 129, 0.1) 0%, transparent 40%);
    animation: bgFloat 20s ease-in-out infinite;
}
@keyframes bgFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(2%, 2%) rotate(1deg); }
    66% { transform: translate(-1%, 1%) rotate(-1deg); }
}

.grid-pattern {
    position: fixed; inset: 0; z-index: -1;
    background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 24px; }
@media (max-width: 640px) { .container { padding: 0 16px; } }

/* Header */
.header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 16px 0;
    transition: all 0.3s ease;
}
.header.scrolled {
    background: rgba(10, 15, 28, 0.95); backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text-primary); }
.logo-icon { width: 48px; height: 48px; border-radius: var(--radius-md); object-fit: contain; }
.logo-text { font-weight: 700; font-size: 1.25rem; letter-spacing: -0.02em; }
.logo-text span { background: var(--accent-gradient); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.nav-desktop { display: flex; align-items: center; gap: 8px; }
.nav-link {
    padding: 10px 18px; color: var(--text-secondary); text-decoration: none;
    font-weight: 500; font-size: 0.95rem; border-radius: var(--radius-md); transition: all 0.2s ease;
}
.nav-link:hover { color: var(--text-primary); background: var(--bg-glass); }
.header-actions { display: flex; align-items: center; gap: 12px; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 24px; border-radius: var(--radius-md); font-weight: 600; font-size: 0.95rem;
    text-decoration: none; cursor: pointer; border: none; transition: all 0.3s ease;
}
.btn-ghost { background: transparent; color: var(--text-secondary); border: 1px solid var(--border-color); }
.btn-ghost:hover { color: var(--text-primary); background: var(--bg-glass); border-color: rgba(255, 255, 255, 0.15); }
.btn-primary { background: var(--accent-gradient); color: white; box-shadow: 0 4px 15px var(--accent-glow); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px var(--accent-glow); }
.btn-lg { padding: 16px 32px; font-size: 1.05rem; border-radius: var(--radius-lg); }

.mobile-menu-btn {
    display: none; width: 44px; height: 44px; border-radius: var(--radius-md);
    border: 1px solid var(--border-color); background: var(--bg-glass); cursor: pointer;
    flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.mobile-menu-btn span { width: 20px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: all 0.3s ease; }
.mobile-menu-btn.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 900px) {
    .nav-desktop, .header-actions .btn { display: none; }
    .mobile-menu-btn { display: flex; }
}

.mobile-nav {
    position: fixed; top: 80px; left: 16px; right: 16px;
    background: var(--bg-secondary); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg); padding: 16px;
    display: none; flex-direction: column; gap: 8px; z-index: 999; box-shadow: 0 25px 50px rgba(0,0,0,0.5);
}
.mobile-nav.active { display: flex; }
.mobile-nav-link {
    display: flex; align-items: center; gap: 12px; padding: 14px 16px;
    color: var(--text-secondary); text-decoration: none; font-weight: 500;
    border-radius: var(--radius-md); transition: all 0.2s ease; background: transparent; border: none; cursor: pointer; font-size: 1rem;
}
.mobile-nav-link:hover { color: var(--text-primary); background: var(--bg-glass); }
.btn-mobile-primary { background: var(--accent-gradient) !important; color: white !important; }
.btn-mobile-danger { color: #ef4444 !important; }
.btn-mobile-danger:hover { background: rgba(239, 68, 68, 0.1) !important; }

/* Hero */
.hero { min-height: 100vh; display: flex; align-items: center; padding: 120px 0 80px; }
.hero-content { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
@media (max-width: 900px) { .hero-content { grid-template-columns: 1fr; text-align: center; } }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px;
    background: var(--bg-glass); border: 1px solid var(--border-color);
    border-radius: 100px; font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 24px;
}
.hero-badge-dot { width: 8px; height: 8px; background: var(--success); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.hero-title { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; line-height: 1.1; letter-spacing: -0.03em; margin-bottom: 24px; }
.hero-title-gradient { background: var(--accent-gradient); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-description { font-size: 1.2rem; color: var(--text-secondary); margin-bottom: 32px; max-width: 540px; }
@media (max-width: 900px) { .hero-description { margin-left: auto; margin-right: auto; } }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
@media (max-width: 900px) { .hero-actions { justify-content: center; } }
.hero-stats { display: flex; gap: 40px; margin-top: 48px; }
@media (max-width: 900px) { .hero-stats { justify-content: center; } }
@media (max-width: 480px) { .hero-stats { gap: 24px; flex-wrap: wrap; } }
.hero-badges { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: stretch; margin-top: 1rem; }
@media (max-width: 900px) { .hero-badges { justify-content: center; } }
.hero-stat { text-align: left; }
@media (max-width: 900px) { .hero-stat { text-align: center; } }
.hero-stat-value { font-size: 2rem; font-weight: 700; background: var(--accent-gradient); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-stat-label { font-size: 0.9rem; color: var(--text-muted); }
.hero-visual { position: relative; }
@media (max-width: 900px) { .hero-visual { display: none; } }
.hero-card {
    position: relative; background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-xl); padding: 32px; backdrop-filter: blur(20px); box-shadow: 0 0 60px rgba(59, 130, 246, 0.3);
}
.hero-card::before {
    content: ''; position: absolute; inset: -1px; border-radius: var(--radius-xl); padding: 1px;
    background: var(--accent-gradient); mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude; -webkit-mask-composite: xor; opacity: 0.5; pointer-events: none;
}
.hero-card-header { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
.hero-card-icon { width: 56px; height: 56px; border-radius: var(--radius-md); background: var(--accent-gradient); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; }
.hero-card-title { font-size: 1.25rem; font-weight: 700; }
.hero-card-subtitle { font-size: 0.9rem; color: var(--text-muted); }
.hero-card-features { display: flex; flex-direction: column; gap: 16px; }
.hero-card-feature { display: flex; align-items: center; gap: 12px; padding: 12px; background: var(--bg-glass); border-radius: var(--radius-md); font-size: 0.95rem; color: var(--text-secondary); }
.check-icon { color: var(--success); font-weight: bold; }
.hero-card-cta { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--border-color); position: relative; z-index: 10; }
.hero-card-btn { width: 100%; justify-content: center; font-weight: 600; padding: 14px 20px; cursor: pointer; position: relative; z-index: 10; }

/* Sections */
.section { padding: 100px 0; position: relative; }
@media (max-width: 768px) { .section { padding: 60px 0; } }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 60px; }
.section-badge {
    display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px;
    background: var(--bg-glass); border: 1px solid var(--border-color); border-radius: 100px;
    font-size: 0.85rem; color: var(--accent-primary); font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 20px;
}
.section-title { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; letter-spacing: -0.03em; margin-bottom: 16px; }
.section-description { font-size: 1.1rem; color: var(--text-secondary); }

/* Course */
.course-wrapper { max-width: 800px; margin: 0 auto; }
.courses-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
@media (max-width: 1100px) { .courses-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 700px) { .courses-grid { grid-template-columns: 1fr; } }
.course-card {
    display: block; background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: var(--radius-xl); overflow: hidden; cursor: pointer;
    transition: all 0.4s ease; position: relative; text-decoration: none; color: inherit;
}
.course-card:hover { transform: translateY(-8px); box-shadow: 0 0 60px rgba(59, 130, 246, 0.3); border-color: var(--accent-primary); }
.course-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--accent-gradient); }
.course-badge {
    position: absolute; top: 20px; left: 20px; padding: 8px 16px; background: var(--success);
    color: white; font-size: 0.8rem; font-weight: 700; border-radius: 100px;
    text-transform: uppercase; letter-spacing: 0.05em; z-index: 2;
}
.course-badge-soon { background: rgba(245, 158, 11, 0.95); }
.course-image {
    position: relative; height: 240px;
    background: linear-gradient(135deg, #1e3a5f 0%, #0d1b2a 100%);
    display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.course-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 20%, rgba(59, 130, 246, 0.25) 0%, transparent 55%),
                radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.18) 0%, transparent 60%);
    opacity: 0.8;
}
.course-image-icon {
    width: 100px; height: 100px; background: var(--accent-gradient); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.4); z-index: 1; font-size: 3rem;
}
.course-content { padding: 28px; }
.course-title { font-size: 1.35rem; font-weight: 700; margin-bottom: 10px; }
.course-description { color: var(--text-secondary); margin-bottom: 20px; line-height: 1.7; font-size: 0.95rem; }
.course-meta { display: flex; flex-wrap: wrap; gap: 12px 20px; margin-bottom: 0; }
.course-meta-item { display: flex; align-items: center; gap: 6px; color: var(--text-muted); font-size: 0.85rem; }
.course-cta { display: flex; align-items: center; justify-content: space-between; padding-top: 24px; border-top: 1px solid var(--border-color); flex-wrap: wrap; gap: 16px; }
.course-price { font-size: 0.9rem; color: var(--text-muted); }
.course-price strong { font-size: 1.5rem; color: var(--text-primary); font-weight: 700; }

.course-card-disabled {
    cursor: default;
    opacity: 0.88;
}
.course-card-disabled:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--border-color);
}
.course-card-disabled .btn {
    pointer-events: auto;
}

.course-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: opacity 0.2s ease;
}
.course-card-link:hover {
    opacity: 0.95;
}
.course-card-featured {
    border: 2px solid var(--accent-primary);
    box-shadow: 0 0 40px rgba(59, 130, 246, 0.2);
}
.course-card-featured::before {
    height: 5px;
}
.course-card-enrolled {
    border-color: rgba(16, 185, 129, 0.45);
    box-shadow: 0 0 40px rgba(16, 185, 129, 0.16);
}
.course-card-enrolled::before {
    background: linear-gradient(135deg, #10b981, #059669);
}
.course-card-enrolled:hover {
    border-color: rgba(16, 185, 129, 0.6);
    box-shadow: 0 0 48px rgba(16, 185, 129, 0.22);
}
.course-price-row--enrolled {
    border-bottom-color: rgba(16, 185, 129, 0.28);
}
.course-price-label--enrolled {
    color: #86efac;
}
.course-price-value--enrolled {
    background: linear-gradient(135deg, #10b981, #34d399);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.course-price-period {
    font-size: 0.5em;
    font-weight: 400;
}
.course-enrolled-icon {
    display: inline-flex;
    align-items: center;
    margin-right: 0.35rem;
    font-size: 0.75em;
    vertical-align: middle;
}
.btn-course-enrolled,
.btn-course-enrolled:disabled {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.18), rgba(5, 150, 105, 0.12));
    border: 1px solid rgba(16, 185, 129, 0.35);
    color: #d1fae5;
    box-shadow: none;
    opacity: 1;
    cursor: default;
}
.btn-course-enrolled:hover {
    transform: none;
    box-shadow: none;
}

/* Course CTA Section */
.course-cta-section {
    padding: 24px;
    border-top: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.2);
}
.course-price-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}
.course-price-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}
.course-price-value {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.course-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.btn-course {
    padding: 14px 20px;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    white-space: nowrap;
}
.btn-icon {
    font-size: 1.1rem;
}
.btn-outline-light {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}
.btn-outline-light:hover {
    background: var(--bg-glass);
    border-color: var(--text-muted);
    color: var(--text-primary);
}
@media (max-width: 480px) {
    .course-actions {
        grid-template-columns: 1fr;
    }
}

/* Features */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 900px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .features-grid { grid-template-columns: 1fr; } }
.feature-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 28px; transition: all 0.3s ease; }
.feature-card:hover { border-color: var(--accent-primary); transform: translateY(-4px); }
.feature-icon { width: 52px; height: 52px; border-radius: var(--radius-md); background: var(--accent-gradient); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; font-size: 1.5rem; }
.feature-title { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.feature-description { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.6; }

/* Labs */
.labs-content { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
@media (max-width: 900px) { .labs-content { grid-template-columns: 1fr; } }
.labs-text h3 { font-size: clamp(1.8rem, 3vw, 2.5rem); font-weight: 800; margin-bottom: 20px; letter-spacing: -0.02em; }
.labs-text p { color: var(--text-secondary); font-size: 1.1rem; margin-bottom: 32px; line-height: 1.7; }
.labs-features { display: flex; flex-direction: column; gap: 16px; }
.labs-feature { display: flex; align-items: flex-start; gap: 16px; }
.labs-feature .check-icon { width: 44px; height: 44px; border-radius: var(--radius-md); background: rgba(16, 185, 129, 0.15); color: var(--success); display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 1.2rem; }
.labs-feature h4 { font-size: 1rem; font-weight: 600; margin-bottom: 4px; }
.labs-feature p { font-size: 0.9rem; color: var(--text-muted); margin: 0; }
.labs-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-xl); padding: 24px; }
.labs-card-header { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #10b981; }
.labs-terminal { background: #0d1117; border-radius: var(--radius-md); padding: 20px; font-family: 'Monaco', 'Menlo', monospace; font-size: 0.85rem; line-height: 1.8; color: #c9d1d9; overflow-x: auto; }
.labs-terminal .prompt { color: var(--success); }
.labs-terminal .command { color: #58a6ff; }
.labs-terminal .output { color: #8b949e; }

/* Certification */
.cert-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-xl); padding: 48px; text-align: center; position: relative; overflow: hidden; }
.cert-card::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 200px; height: 200px; background: var(--accent-gradient); filter: blur(100px); opacity: 0.3; }
.cert-icon { width: 80px; height: 80px; margin: 0 auto 24px; background: var(--accent-gradient); border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 20px 40px var(--accent-glow); position: relative; z-index: 1; font-size: 2.5rem; }
.cert-title { font-size: 1.8rem; font-weight: 700; margin-bottom: 16px; position: relative; z-index: 1; }
.cert-description { color: var(--text-secondary); max-width: 600px; margin: 0 auto 32px; position: relative; z-index: 1; }
.cert-features { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; position: relative; z-index: 1; }
.cert-feature { display: flex; align-items: center; gap: 10px; color: var(--text-secondary); }

/* Nupe AI */
.nupe-section { background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%); border-radius: var(--radius-xl); padding: 60px; border: 1px solid var(--border-color); }
@media (max-width: 768px) { .nupe-section { padding: 40px 24px; } }
.nupe-content { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
@media (max-width: 900px) { .nupe-content { grid-template-columns: 1fr; text-align: center; } }
.nupe-badge { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; background: rgba(139, 92, 246, 0.2); border: 1px solid rgba(139, 92, 246, 0.3); border-radius: 100px; font-size: 0.85rem; color: #a78bfa; font-weight: 600; margin-bottom: 20px; }
.nupe-title { font-size: clamp(1.8rem, 3vw, 2.5rem); font-weight: 800; margin-bottom: 16px; }
.nupe-description { color: var(--text-secondary); font-size: 1.1rem; margin-bottom: 24px; }
.nupe-visual { display: flex; justify-content: center; }
.nupe-icon-container { width: 200px; height: 200px; background: linear-gradient(135deg, #8b5cf6, #3b82f6); border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 30px 60px rgba(139, 92, 246, 0.4); position: relative; font-size: 4rem; }
.nupe-icon-container::before { content: ''; position: absolute; inset: -10px; border-radius: 50%; border: 2px dashed rgba(139, 92, 246, 0.3); animation: spin 20s linear infinite; }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* Reviews */
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 900px) { .reviews-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .reviews-grid { grid-template-columns: 1fr; } }
.review-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 28px; transition: all 0.3s ease; }
.review-card:hover { border-color: var(--accent-primary); transform: translateY(-4px); }
.review-stars { display: flex; gap: 4px; margin-bottom: 16px; color: #f59e0b; font-size: 1rem; }
.review-text { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.7; margin-bottom: 20px; font-style: italic; }
.review-author { display: flex; align-items: center; gap: 14px; }
.review-avatar { width: 50px; height: 50px; border-radius: 50%; background: var(--accent-gradient); display: flex; align-items: center; justify-content: center; color: white; font-weight: 700; font-size: 1.1rem; }
.review-info h4 { font-size: 1rem; font-weight: 600; margin-bottom: 2px; }
.review-info p { font-size: 0.85rem; color: var(--text-muted); margin: 0; }
.review-company { display: flex; align-items: center; gap: 6px; margin-top: 4px; font-size: 0.8rem; color: var(--accent-primary); }

/* How It Works */
.how-it-works-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 900px) { .how-it-works-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .how-it-works-grid { grid-template-columns: 1fr; } }
.step-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 28px; text-align: center; }
.step-number { width: 40px; height: 40px; background: var(--accent-gradient); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; margin: 0 auto 20px; font-size: 1.1rem; }
.step-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 10px; }
.step-description { font-size: 0.9rem; color: var(--text-muted); }

/* CTA */
.cta-section { padding: 60px 0; }
.cta-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-xl); padding: 60px; text-align: center; position: relative; overflow: hidden; }
.cta-card::before { content: ''; position: absolute; inset: 0; background: var(--accent-gradient); opacity: 0.05; }
.cta-title { font-size: clamp(1.8rem, 3vw, 2.5rem); font-weight: 800; margin-bottom: 16px; position: relative; z-index: 1; }
.cta-description { color: var(--text-secondary); font-size: 1.1rem; margin-bottom: 32px; max-width: 600px; margin-left: auto; margin-right: auto; position: relative; z-index: 1; }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; position: relative; z-index: 1; }

/* Footer */
.footer { background: var(--bg-secondary); border-top: 1px solid var(--border-color); padding: 60px 0 30px; }
.footer-content { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
@media (max-width: 900px) { .footer-content { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .footer-content { grid-template-columns: 1fr; } }
.footer-brand p { color: var(--text-secondary); margin-top: 16px; font-size: 0.95rem; max-width: 300px; }
.footer-title { font-weight: 600; margin-bottom: 20px; font-size: 1rem; }
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links a { color: var(--text-secondary); text-decoration: none; font-size: 0.95rem; transition: color 0.2s ease; }
.footer-links a:hover { color: var(--text-primary); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 30px; border-top: 1px solid var(--border-color); flex-wrap: wrap; gap: 16px; }
.footer-bottom p { color: var(--text-muted); font-size: 0.9rem; }
.footer-social { display: flex; gap: 16px; }
.footer-social a { width: 40px; height: 40px; border-radius: var(--radius-md); background: var(--bg-glass); border: 1px solid var(--border-color); display: flex; align-items: center; justify-content: center; color: var(--text-secondary); transition: all 0.2s ease; text-decoration: none; font-weight: bold; }
.footer-social a:hover { background: var(--accent-gradient); border-color: transparent; color: white; }

/* Modals */
.modal-overlay { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.8); backdrop-filter: blur(8px); z-index: 2000; display: none; align-items: center; justify-content: center; padding: 24px; opacity: 0; transition: opacity 0.3s ease; }
.modal-overlay.active { display: flex; opacity: 1; }
.modal { background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: var(--radius-xl); width: 100%; max-width: 480px; max-height: 90vh; overflow-y: auto; position: relative; transform: scale(0.95); transition: transform 0.3s ease; }
.modal-overlay.active .modal { transform: scale(1); }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 24px 28px; border-bottom: 1px solid var(--border-color); }
.modal-title { font-size: 1.25rem; font-weight: 700; }
.modal-close { width: 36px; height: 36px; border-radius: var(--radius-sm); border: none; background: var(--bg-glass); color: var(--text-secondary); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.2s ease; font-size: 1.5rem; }
.modal-close:hover { background: var(--bg-card); color: var(--text-primary); }
.modal-body { padding: 28px; }
.modal-tabs { display: flex; gap: 8px; margin-bottom: 24px; }
.modal-tab { flex: 1; padding: 12px; background: transparent; border: 1px solid var(--border-color); border-radius: var(--radius-md); color: var(--text-secondary); font-weight: 500; cursor: pointer; transition: all 0.2s ease; font-size: 1rem; }
.modal-tab.active { background: var(--accent-gradient); border-color: transparent; color: white; }
.modal-tab:hover:not(.active) { border-color: var(--accent-primary); color: var(--text-primary); }
.auth-divider { display: flex; align-items: center; gap: 16px; margin: 24px 0; color: var(--text-muted); font-size: 0.9rem; }
.auth-divider::before, .auth-divider::after { content: ''; flex: 1; height: 1px; background: var(--border-color); }
.google-btn { width: 100%; padding: 14px; background: white; border: 1px solid #ddd; border-radius: var(--radius-md); font-weight: 600; font-size: 0.95rem; cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 12px; color: #333; transition: all 0.2s ease; }
.google-btn:hover { background: #f5f5f5; }
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.9rem; font-weight: 500; color: var(--text-secondary); margin-bottom: 8px; }
.form-input { width: 100%; padding: 14px 16px; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); color: var(--text-primary); font-size: 1rem; transition: all 0.2s ease; }
.form-input:focus { outline: none; border-color: var(--accent-primary); box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2); }
.form-input::placeholder { color: var(--text-muted); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-helper { display: flex; justify-content: space-between; align-items: center; margin-top: 16px; }
.form-link { color: var(--accent-primary); text-decoration: none; font-size: 0.9rem; font-weight: 500; cursor: pointer; background: none; border: none; }
.form-link:hover { text-decoration: underline; }
.form-message { padding: 14px 16px; border-radius: var(--radius-md); margin-bottom: 20px; font-size: 0.9rem; display: none; }
.form-message.success { background: rgba(16, 185, 129, 0.1); border: 1px solid rgba(16, 185, 129, 0.3); color: var(--success); display: block; }
.form-message.error { background: rgba(239, 68, 68, 0.1); border: 1px solid rgba(239, 68, 68, 0.3); color: var(--danger); display: block; }
.form-message.error-styled, .form-message.success-styled { display: flex; align-items: flex-start; gap: 12px; padding: 16px 18px; }
.form-message-icon { font-size: 1.3rem; flex-shrink: 0; line-height: 1; }
.form-message-content { flex: 1; }
.form-message-title { font-weight: 600; font-size: 0.95rem; margin-bottom: 4px; }
.form-message-text { font-size: 0.875rem; opacity: 0.9; line-height: 1.4; }
.form-message.error-styled { background: linear-gradient(135deg, rgba(239, 68, 68, 0.15) 0%, rgba(239, 68, 68, 0.08) 100%); border: 1px solid rgba(239, 68, 68, 0.4); color: #fca5a5; }
.form-message.success-styled { background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(16, 185, 129, 0.08) 100%); border: 1px solid rgba(16, 185, 129, 0.4); color: #6ee7b7; }
.form-message.google-signing-in { display: flex; align-items: center; gap: 10px; background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.3); color: #93c5fd; }
.auth-spinner { display: inline-block; width: 18px; height: 18px; border: 2.5px solid rgba(255,255,255,0.2); border-top-color: currentColor; border-radius: 50%; animation: auth-spin 0.6s linear infinite; vertical-align: middle; flex-shrink: 0; }
@keyframes auth-spin { to { transform: rotate(360deg); } }

/* Account Dropdown Container */
.account-dropdown-container {
    position: relative;
    display: inline-flex;
    align-items: center;
}

/* Account Button */
.btn-logout {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(139, 92, 246, 0.08) 100%);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: var(--radius-md);
    color: #a78bfa;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}
.btn-logout:hover {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.25) 0%, rgba(139, 92, 246, 0.15) 100%);
    border-color: rgba(139, 92, 246, 0.5);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.2);
}
.btn-logout .account-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}
.btn-logout .dropdown-arrow {
    width: 12px;
    height: 12px;
    flex-shrink: 0;
    transition: transform 0.2s ease;
    margin-left: 2px;
}
.btn-logout .logout-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Account Dropdown Menu - Hidden by Default */
.account-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 200px;
    background: rgba(15, 15, 25, 0.98);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(139, 92, 246, 0.1);
    z-index: 9999;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

/* Show dropdown when active */
.account-dropdown.active {
    display: block;
    animation: dropdownFadeIn 0.2s ease forwards;
}

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

/* Dropdown Items */
.account-dropdown .dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 14px 18px;
    background: transparent;
    border: none;
    color: #e2e8f0;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    text-align: left;
}
.account-dropdown .dropdown-item:hover {
    background: rgba(139, 92, 246, 0.15);
    color: #a78bfa;
}
.account-dropdown .dropdown-item svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    stroke: currentColor;
    opacity: 0.8;
}
.account-dropdown .dropdown-item:hover svg {
    opacity: 1;
}
.account-dropdown .dropdown-item-danger {
    color: #f87171;
}
.account-dropdown .dropdown-item-danger:hover {
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
}

/* Divider between dropdown items */
.account-dropdown .dropdown-item + .dropdown-item-danger {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.auth-panel { display: none; }
.auth-panel.active { display: block; }

/* Contact */
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; padding: 20px; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-md); }
.contact-icon { width: 44px; height: 44px; background: var(--accent-gradient); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 1.3rem; }
.contact-details h4 { font-size: 1rem; font-weight: 600; margin-bottom: 4px; }
.contact-details p { color: var(--text-secondary); font-size: 0.9rem; margin: 0; }
.contact-details a { color: var(--accent-primary); text-decoration: none; }
.contact-details a:hover { text-decoration: underline; }

/* Scroll Top */
.scroll-top { position: fixed; bottom: 96px; right: 24px; width: 48px; height: 48px; background: var(--accent-gradient); border: none; border-radius: 50%; color: white; cursor: pointer; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: all 0.3s ease; z-index: 100; box-shadow: 0 4px 15px var(--accent-glow); font-size: 1.5rem; }
.scroll-top.visible { opacity: 1; visibility: visible; }
.scroll-top:hover { transform: translateY(-4px); }
@media (max-width: 480px) { .scroll-top { bottom: 80px; right: 16px; width: 42px; height: 42px; font-size: 1.3rem; } }

/* Payment Modal */
.payment-modal { max-width: 520px; }
.course-summary {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
}
.course-summary-icon {
    width: 56px;
    height: 56px;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}
.course-summary-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 4px 0;
}
.course-summary-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}
.course-summary-price {
    margin-left: auto;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--success);
}
.checkout-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
}
.checkout-tab {
    flex: 1;
    padding: 12px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
}
.checkout-tab.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
}
.checkout-tab:hover:not(.active) {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}
.checkout-panel {
    display: none;
}
.checkout-panel.active {
    display: block;
}
.payment-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 20px 0;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
}
.payment-divider::before, .payment-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}
.secure-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
    padding: 12px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-md);
    color: var(--success);
    font-size: 0.8rem;
    font-weight: 500;
}

/* Processing Overlay */
.processing-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10, 15, 28, 0.9);
    backdrop-filter: blur(8px);
    z-index: 3000;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 20px;
}
.processing-overlay.active {
    display: flex;
}
.processing-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}
.processing-text {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Subscribe Modal */
.subscribe-modal {
    max-width: 440px;
}
.subscribe-hero {
    text-align: center;
    padding: 20px 0 28px;
}
.subscribe-icon {
    width: 72px;
    height: 72px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 16px;
    box-shadow: 0 12px 32px var(--accent-glow);
}
.subscribe-hero h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 10px;
    color: var(--text-primary);
}
.subscribe-hero p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}
.subscribe-footer {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin: 20px 0 0;
}

/* Verify Email Panel */
.verify-hero {
    text-align: center;
    padding: 16px 0 24px;
}
.verify-icon {
    width: 64px;
    height: 64px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin: 0 auto 14px;
    box-shadow: 0 10px 28px var(--accent-glow);
}
.verify-hero h4 {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0 0 8px;
    color: var(--text-primary);
}
.verify-hero p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}
.verify-hero strong {
    color: var(--text-primary);
}
.password-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}
.password-input-wrapper .form-input {
    padding-right: 48px;
}
.password-toggle {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    opacity: 0.6;
    transition: opacity 0.2s ease;
}
.password-toggle:hover {
    opacity: 1;
}

/* Redirect Overlay for Logged-in Users */
.redirect-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 15, 28, 0.95);
    backdrop-filter: blur(12px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.redirect-overlay.active {
    display: flex;
    opacity: 1;
}
.redirect-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    max-width: 420px;
    width: 90%;
    text-align: center;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
    animation: slideUp 0.4s ease;
}
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.redirect-icon {
    width: 80px;
    height: 80px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto 20px;
    box-shadow: 0 16px 40px var(--accent-glow);
}
.redirect-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 12px;
    color: var(--text-primary);
}
.redirect-card > p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    margin: 0 0 28px;
}
.redirect-countdown {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 28px;
}
.countdown-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--bg-glass);
    border: 3px solid var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 1s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}
.countdown-circle span {
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.countdown-text {
    color: var(--text-muted);
    font-size: 0.9rem;
}
.redirect-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.redirect-actions .btn {
    width: 100%;
}

/* Iframe Modal for About, Privacy, Terms */
.iframe-modal {
    max-width: 900px;
    width: 95%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}
.iframe-modal-body {
    flex: 1;
    padding: 0;
    position: relative;
    min-height: 500px;
    overflow: hidden;
}
.iframe-loading {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    z-index: 2;
}
.iframe-loading.hidden {
    display: none;
}
.iframe-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}
.iframe-loading p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}
#iframeContent {
    width: 100%;
    height: 100%;
    min-height: 500px;
    border: none;
    background: #fff;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}
@media (max-width: 768px) {
    .iframe-modal {
        max-width: 100%;
        width: 100%;
        max-height: 100vh;
        border-radius: 0;
    }
    .iframe-modal-body {
        min-height: 400px;
    }
    #iframeContent {
        min-height: 400px;
        border-radius: 0;
    }
}

/* Course Details Modal */
.course-details-modal {
    max-width: 800px;
    width: 95%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}
.course-details-body {
    overflow-y: auto;
    padding: 24px 28px 32px;
}
.course-detail-section {
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}
.course-detail-section:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}
.course-detail-icon {
    width: 48px;
    height: 48px;
    background: var(--accent-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 14px;
    box-shadow: 0 8px 20px var(--accent-glow);
}
.course-detail-section h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 12px;
}
.course-detail-section p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0 0 12px;
}
.course-detail-section p:last-child {
    margin-bottom: 0;
}
.course-detail-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.course-detail-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 10px;
    color: var(--text-secondary);
    line-height: 1.6;
}
.course-detail-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: 600;
}
.course-detail-list-check li::before {
    content: '✓';
    color: var(--success);
}
.course-sections-grid {
    display: grid;
    gap: 12px;
}
.course-section-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    position: relative;
}
.course-section-card .section-number {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 28px;
    height: 28px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: white;
}
.course-section-card h5 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 8px;
    padding-right: 36px;
}
.course-section-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.5;
}
.course-roles {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.role-tag {
    display: inline-block;
    padding: 8px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}
.role-tag:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}
.course-detail-cta {
    text-align: center;
    padding-top: 24px;
    margin-top: 8px;
    border-top: 1px solid var(--border-color);
}
@media (max-width: 768px) {
    .course-details-modal {
        max-width: 100%;
        width: 100%;
        max-height: 100vh;
        border-radius: 0;
    }
    .course-details-body {
        padding: 20px 16px 28px;
    }
}

/* Pricing Modal */
.pricing-modal {
    max-width: 700px;
    width: 95%;
}
.pricing-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 24px;
}
.pricing-card {
    position: relative;
    background: rgba(15, 15, 25, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
}
.pricing-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(139, 92, 246, 0.15);
}
.pricing-card-featured {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(139, 92, 246, 0.05) 100%);
    border-color: rgba(139, 92, 246, 0.5);
}
.pricing-card-featured:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 12px 40px rgba(139, 92, 246, 0.25);
}
.pricing-card-ribbon {
    position: absolute;
    top: 16px;
    right: -32px;
    background: var(--accent-gradient);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 6px 40px;
    transform: rotate(45deg);
}
.pricing-card-header {
    text-align: center;
    margin-bottom: 20px;
}
.pricing-badge {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 12px;
}
.pricing-badge-featured {
    background: rgba(16, 185, 129, 0.2);
    color: #6ee7b7;
}
.pricing-amount {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
}
.pricing-currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
}
.pricing-value {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}
.pricing-period {
    font-size: 1rem;
    color: var(--text-muted);
    margin-left: 4px;
}
.pricing-card-body {
    margin-bottom: 20px;
}
.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0;
}
.pricing-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}
.pricing-features li .check {
    color: var(--success);
    font-weight: 600;
}
.pricing-features li .check.highlight {
    color: var(--accent-primary);
}
.pricing-btn {
    width: 100%;
    padding: 14px 20px;
    font-weight: 600;
}
.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}
.btn-outline:hover {
    border-color: var(--accent-primary);
    background: rgba(139, 92, 246, 0.1);
}
@media (max-width: 600px) {
    .pricing-options {
        grid-template-columns: 1fr;
    }
    .pricing-modal {
        max-width: 100%;
    }
}

/* Referral Code Section */
.referral-code-section {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}
.referral-code-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    color: var(--text-muted);
}
.referral-code-toggle:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
}
.referral-icon {
    font-size: 1.1rem;
}
.referral-text {
    font-size: 0.9rem;
    font-weight: 500;
}
.referral-arrow {
    font-size: 0.7rem;
    transition: transform 0.2s ease;
}
.referral-code-input-wrapper {
    margin-top: 12px;
    padding: 0 8px;
    animation: fadeSlideIn 0.2s ease;
}
@keyframes fadeSlideIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}
.referral-input {
    width: 100%;
    text-align: center;
    font-size: 1rem;
    letter-spacing: 0.5px;
    background: rgba(15, 15, 25, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    color: var(--text-primary);
    transition: all 0.2s ease;
}
.referral-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}
.referral-input::placeholder {
    color: var(--text-muted);
    font-size: 0.9rem;
}
.referral-hint {
    margin-top: 8px;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
}

/* Trusted Companies - Auto-scrolling Logos */
.trusted-section {
    padding: 60px 0;
    overflow: hidden;
}
.logo-scroll-container {
    position: relative;
    width: 100%;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}
.logo-scroll-track {
    display: flex;
    gap: 60px;
    animation: logoScroll 30s linear infinite;
    width: max-content;
}
.logo-item {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 50px;
    min-width: 120px;
    padding: 10px 20px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}
.logo-item:hover {
    border-color: var(--accent-primary);
    transform: scale(1.05);
}
.logo-item img {
    max-height: 32px;
    max-width: 100px;
    object-fit: contain;
    filter: grayscale(100%) brightness(1.5);
    opacity: 0.7;
    transition: all 0.3s ease;
}
.logo-item:hover img {
    filter: grayscale(0%) brightness(1);
    opacity: 1;
}
.logo-item span {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}
@keyframes logoScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Reviews - Horizontal Scroll */
.reviews-scroll-container {
    position: relative;
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 20px;
    cursor: grab;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-primary) var(--bg-secondary);
}
.reviews-scroll-container:active {
    cursor: grabbing;
}
.reviews-scroll-container::-webkit-scrollbar {
    height: 8px;
}
.reviews-scroll-container::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 4px;
}
.reviews-scroll-container::-webkit-scrollbar-thumb {
    background: var(--accent-gradient);
    border-radius: 4px;
}
.reviews-scroll-container::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}
.reviews-scroll-track {
    display: flex;
    gap: 24px;
    padding: 10px 0;
    width: max-content;
}
.reviews-scroll-track .review-card {
    flex-shrink: 0;
    width: 340px;
    min-height: 220px;
    display: flex;
    flex-direction: column;
}
.reviews-scroll-track .review-text {
    flex: 1;
}
@media (max-width: 640px) {
    .reviews-scroll-track .review-card {
        width: 300px;
    }
    .logo-scroll-track {
        gap: 40px;
    }
    .logo-item {
        min-width: 100px;
        padding: 8px 16px;
    }
}

/* ============================================
   Skills Roadmap / Learning Constellation
   ============================================ */
.rm { position: relative; }

/* --- Level bar (top) --- */
.rm-levels {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 40px;
    flex-wrap: wrap;
}
.rm-level {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 24px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}
.rm-level-n {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 800;
    flex-shrink: 0;
}
.rm-level--1 .rm-level-n { background: linear-gradient(135deg, #3b82f6, #2563eb); color: #fff; }
.rm-level--2 .rm-level-n { background: linear-gradient(135deg, #8b5cf6, #7c3aed); color: #fff; }
.rm-level--3 .rm-level-n { background: linear-gradient(135deg, #f59e0b, #d97706); color: #fff; }
.rm-level-arrow {
    color: rgba(255,255,255,0.15);
    font-size: 1.4rem;
    padding: 0 8px;
    user-select: none;
}

/* --- Grid (3 columns) --- */
.rm-grid {
    display: grid;
    grid-template-columns: 1fr 1.6fr 1fr;
    gap: 28px;
    align-items: start;
    position: relative;
}
.rm-col {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* --- Flow connectors (desktop only) --- */
.rm-grid::before,
.rm-grid::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 28px;
    height: 2px;
    background: linear-gradient(90deg, rgba(139,92,246,0.4), rgba(59,130,246,0.15));
    pointer-events: none;
}
.rm-grid::before { left: calc(33.33% - 14px); transform: translateX(-50%); }
.rm-grid::after { left: calc(66.66% + 14px); transform: translateX(-50%); background: linear-gradient(90deg, rgba(59,130,246,0.15), rgba(245,158,11,0.4)); }

/* --- Node base --- */
.rm-node {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 20px;
    border-radius: 16px;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    color: inherit;
}
.rm-node:hover { transform: translateY(-3px); }
.rm-node-icon {
    font-size: 1.6rem;
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}
.rm-node-body {
    flex: 1;
    min-width: 0;
    padding-right: 104px;
}
.rm-node-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
    line-height: 1.3;
}
.rm-node-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
}
.rm-node-meta {
    font-size: 0.75rem;
    color: var(--accent-primary);
    margin-top: 8px;
    font-weight: 600;
    letter-spacing: 0.01em;
}

/* --- Badge --- */
.rm-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 4px 10px;
    border-radius: 100px;
    white-space: nowrap;
}

/* --- Active node (available course) --- */
.rm-node--active {
    background: linear-gradient(135deg, rgba(15,23,42,0.95), rgba(30,41,59,0.9));
    border: 1.5px solid rgba(99,102,241,0.35);
    box-shadow: 0 4px 24px rgba(99,102,241,0.1), 0 0 0 1px rgba(99,102,241,0.05);
    cursor: pointer;
}
.rm-node--active:hover {
    box-shadow: 0 8px 40px rgba(99,102,241,0.2), 0 0 0 1px rgba(99,102,241,0.15);
    border-color: rgba(99,102,241,0.55);
}
.rm-node--active .rm-node-icon {
    background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(139,92,246,0.1));
}
.rm-badge--active {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
    box-shadow: 0 2px 8px rgba(16,185,129,0.3);
}

/* Pulse dot on active nodes */
.rm-node-pulse {
    position: absolute;
    top: 16px;
    right: 100px;
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: rm-pulse 2s ease-in-out infinite;
}
@keyframes rm-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.5); }
    50% { box-shadow: 0 0 0 8px rgba(16,185,129,0); }
}

/* IR-specific accent */
.rm-node--ir { border-left: 4px solid #6366f1; }
.rm-node--ir .rm-node-icon { background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(99,102,241,0.05)); }

/* Malware-specific accent */
.rm-node--mal { border-left: 4px solid #8b5cf6; }
.rm-node--mal .rm-node-icon { background: linear-gradient(135deg, rgba(139,92,246,0.2), rgba(139,92,246,0.05)); }

/* --- Coming Soon node --- */
.rm-node--soon {
    background: rgba(15,23,42,0.5);
    border: 1.5px dashed rgba(255,255,255,0.08);
}
.rm-node--soon:hover {
    border-color: rgba(255,255,255,0.15);
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
.rm-node--soon .rm-node-icon {
    background: rgba(255,255,255,0.03);
    opacity: 0.5;
}
.rm-node--soon .rm-node-name { opacity: 0.6; }
.rm-node--soon .rm-node-desc { opacity: 0.4; }
.rm-badge--soon {
    background: rgba(255,255,255,0.06);
    color: rgba(255,255,255,0.35);
    border: 1px solid rgba(255,255,255,0.08);
}

/* --- Animated glow line behind active col --- */
.rm-col:nth-child(2)::before {
    content: '';
    position: absolute;
    top: -20px;
    bottom: -20px;
    left: calc(33.33% + 14px);
    right: calc(33.33% + 14px);
    background: radial-gradient(ellipse at center, rgba(99,102,241,0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
    border-radius: 24px;
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .rm-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .rm-grid::before, .rm-grid::after { display: none; }
    .rm-col:nth-child(2)::before { display: none; }
    .rm-col {
        position: relative;
        padding-top: 16px;
    }
    .rm-col:not(:first-child)::before {
        content: '';
        display: block;
        width: 2px;
        height: 24px;
        background: linear-gradient(to bottom, rgba(139,92,246,0.4), rgba(139,92,246,0.05));
        margin: 0 auto 16px;
        border-radius: 2px;
    }
    .rm-levels { gap: 4px; }
    .rm-level { padding: 8px 14px; font-size: 0.85rem; }
    .rm-level-arrow { font-size: 1rem; padding: 0 2px; }
}
@media (max-width: 640px) {
    .rm-node {
        flex-wrap: wrap;
    }
    .rm-node-body {
        padding-right: 0;
        flex: 1 1 calc(100% - 48px);
    }
    .rm-badge {
        position: static;
        margin-left: auto;
    }
    .rm-node-pulse {
        display: none;
    }
}
@media (max-width: 480px) {
    .rm-node { padding: 16px; gap: 12px; }
    .rm-node-icon { width: 36px; height: 36px; font-size: 1.3rem; border-radius: 10px; }
    .rm-node-name { font-size: 0.88rem; }
    .rm-node-desc { font-size: 0.76rem; }
    .rm-badge { font-size: 0.6rem; padding: 3px 8px; }
    .rm-node-pulse { display: none; }
}