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

:root {
    /* Color Palette - Vibrant & Modern */
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #818cf8;
    --color-primary-glow: rgba(99, 102, 241, 0.15);
    
    --color-secondary: #ec4899;
    --color-secondary-dark: #db2777;
    --color-secondary-light: #f472b6;
    
    --color-neutral-50: #fafafa;
    --color-neutral-100: #f5f5f5;
    --color-neutral-200: #e5e5e5;
    --color-neutral-300: #d4d4d4;
    --color-neutral-400: #a3a3a3;
    --color-neutral-500: #737373;
    --color-neutral-600: #525252;
    --color-neutral-700: #404040;
    --color-neutral-800: #262626;
    --color-neutral-900: #171717;
    
    --color-accent: #14b8a6;
    --color-accent-dark: #0d9488;
    --color-accent-glow: rgba(20, 184, 166, 0.15);
    
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-success: #22c55e;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #ec4899 0%, #f43f5e 100%);
    --gradient-accent: linear-gradient(135deg, #14b8a6 0%, #06b6d4 100%);
    --gradient-warm: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
    --gradient-mesh: radial-gradient(at 40% 20%, hsla(250, 90%, 65%, 0.08) 0, transparent 50%),
                      radial-gradient(at 80% 0%, hsla(320, 90%, 65%, 0.08) 0, transparent 50%),
                      radial-gradient(at 0% 50%, hsla(180, 90%, 65%, 0.08) 0, transparent 50%),
                      radial-gradient(at 80% 80%, hsla(45, 90%, 65%, 0.08) 0, transparent 50%);
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'SF Mono', 'Monaco', 'Cascadia Code', 'Courier New', monospace;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-colored: 0 20px 25px -5px var(--color-primary-glow), 0 10px 10px -5px var(--color-primary-glow);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-neutral-800);
    background: #ffffff;
    background-image: var(--gradient-mesh);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-neutral-900);
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-neutral-700);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

/* === Container & Layout === */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-wide {
    max-width: 1400px;
}

.container-narrow {
    max-width: 900px;
}

/* === Header / Navigation === */
.site-header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all var(--transition-base);
}

.nav-brand:hover {
    transform: translateY(-2px);
}

.nav-logo {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-link {
    color: var(--color-neutral-700);
    font-weight: 600;
    padding: var(--spacing-xs) 0;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--color-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link.active {
    color: var(--color-primary);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-neutral-700);
}

/* === Buttons === */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    line-height: 1;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    position: relative;
    overflow: hidden;
}

.btn-secondary::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: left var(--transition-base);
    z-index: -1;
}

.btn-secondary:hover {
    color: #ffffff;
    border-color: var(--color-primary);
}

.btn-secondary:hover::after {
    left: 0;
}

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
    border-radius: var(--radius-xl);
}

.btn-small {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

/* === Hero Section === */
.hero {
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.86) 0%, rgba(255, 255, 255, 0.72) 55%, rgba(255, 255, 255, 1) 100%),
        url('img/hero-background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border: 1px solid rgba(99, 102, 241, 0.2);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-md);
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    background: linear-gradient(135deg, var(--color-neutral-900) 0%, var(--color-neutral-700) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.375rem;
    color: var(--color-neutral-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* === Section Layouts === */
.section {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.section-alt {
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.02) 0%, rgba(255, 255, 255, 0) 50%, rgba(236, 72, 153, 0.02) 100%);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
}

.section-title {
    font-size: 2.75rem;
    margin-bottom: var(--spacing-md);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-neutral-600);
    line-height: 1.6;
}

/* === Cards === */
.card {
    background: #ffffff;
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    padding: 2px;
    background: var(--gradient-primary);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-6px);
}

.card:hover::before {
    opacity: 1;
}

.card-header {
    margin-bottom: var(--spacing-md);
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.card-subtitle {
    color: var(--color-neutral-600);
    font-size: 0.875rem;
}

.card-body {
    margin-bottom: var(--spacing-md);
}

.card-footer {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-neutral-200);
}

/* === Grid System === */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* === About (Home) === */
.about-home .about-copy {
    color: var(--color-neutral-700);
    line-height: 1.8;
}

.about-home .about-heading {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.about-home .about-heading:first-child {
    margin-top: 0;
}

.about-home .about-approach {
    margin-top: var(--spacing-md);
}

.about-home .about-approach-card {
    padding: var(--spacing-lg);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-xl);
    background: rgba(255, 255, 255, 0.95);
}

.about-home .about-card-title {
    margin: 0 0 0.5rem;
    font-size: 1.1rem;
}

.about-home .about-card-text {
    margin: 0;
    color: var(--color-neutral-700);
}

.about-home .about-serve {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(15, 23, 42, 0.10);
}

.about-home .about-muted {
    margin-bottom: var(--spacing-md);
    color: var(--color-neutral-600);
}

.about-home .about-serve-btn {
    width: 100%;
    max-width: 420px;
}

@media (min-width: 769px) {
    .about-home .about-serve-btn {
        width: auto;
    }
}

/* === Who This Is For Section === */
.audience-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.audience-card {
    background: #ffffff;
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.audience-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.audience-card:hover::before {
    transform: scaleX(1);
}

.audience-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: transparent;
}

.audience-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 2.5rem;
    color: #ffffff;
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
    transition: all var(--transition-base);
}

.audience-icon i {
    line-height: 1;
}

.audience-card:hover .audience-icon {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 12px 30px rgba(99, 102, 241, 0.4);
}

.audience-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-neutral-900);
}

.audience-card p {
    color: var(--color-neutral-600);
    margin-bottom: 0;
    line-height: 1.6;
}

/* === Use Cases Section === */
.use-cases {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.use-case {
    background: linear-gradient(135deg, #ffffff 0%, rgba(99, 102, 241, 0.02) 100%);
    border: 1px solid var(--color-neutral-200);
    border-left: 4px solid transparent;
    border-image: var(--gradient-primary) 1;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.use-case::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    transition: all var(--transition-slow);
}

.use-case:hover::before {
    top: -20%;
    right: -20%;
    width: 250px;
    height: 250px;
}

.use-case:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-left-width: 6px;
}

.use-case-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-neutral-900);
    position: relative;
    z-index: 1;
}

.use-case-description {
    color: var(--color-neutral-700);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

.use-case-outcome {
    font-size: 0.9375rem;
    color: var(--color-primary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    z-index: 1;
}

.use-case-outcome::before {
    content: '→';
    font-size: 1.25rem;
    font-weight: 700;
}

/* === Learning Path === */
.learning-path {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.path-step {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    position: relative;
}

.path-step:last-child {
    margin-bottom: 0;
}

.step-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: #ffffff;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    position: relative;
    z-index: 2;
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
    transition: all var(--transition-base);
}

.path-step:hover .step-number {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 12px 30px rgba(99, 102, 241, 0.4);
}

.step-content {
    flex: 1;
    background: linear-gradient(135deg, #ffffff 0%, rgba(99, 102, 241, 0.02) 100%);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.step-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.path-step:hover .step-content {
    box-shadow: var(--shadow-xl);
    transform: translateX(8px);
}

.path-step:hover .step-content::before {
    transform: scaleX(1);
}

.step-title {
    font-size: 1.375rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.step-description {
    color: var(--color-neutral-600);
    margin-bottom: 0;
    line-height: 1.7;
}

.path-step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 29px;
    top: 60px;
    width: 3px;
    height: calc(100% + var(--spacing-2xl) - 60px);
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    z-index: 1;
    border-radius: 2px;
}

/* === Course Cards === */
.course-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
    align-items: stretch;
}

/* === Course Page === */
.course-page {
    --course-surface: rgba(255, 255, 255, 0.92);
}

.course-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xl);
    color: var(--color-neutral-600);
}

.course-breadcrumb a {
    color: var(--color-neutral-600);
    text-decoration: none;
}

.course-breadcrumb a:hover {
    color: var(--color-primary);
}

.course-breadcrumb-sep {
    color: var(--color-neutral-400);
}

.course-breadcrumb-current {
    color: var(--color-neutral-900);
    font-weight: 700;
}

.course-hero {
    display: grid;
    grid-template-columns: minmax(260px, 320px) 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
    padding: var(--spacing-xl);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-2xl);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.75) 100%);
    box-shadow: 0 16px 40px rgba(17, 24, 39, 0.08);
    position: relative;
    overflow: hidden;
}

.course-hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -30%;
    width: 520px;
    height: 520px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.18) 0%, transparent 65%);
}

.course-hero-media {
    position: relative;
    z-index: 1;
    aspect-ratio: 1 / 1;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    border: 1px solid rgba(99, 102, 241, 0.18);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.10) 0%, rgba(139, 92, 246, 0.10) 100%);
}

.course-hero-media img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.course-hero-body {
    position: relative;
    z-index: 1;
    min-width: 0;
}

.course-page-title {
    font-size: clamp(1.75rem, 2.6vw, 2.25rem);
    line-height: 1.15;
    margin: var(--spacing-sm) 0;
}

.course-page-subtitle {
    color: var(--color-neutral-600);
    font-size: 1.0625rem;
    line-height: 1.55;
    margin: 0 0 var(--spacing-md);
}

.course-page-description {
    color: var(--color-neutral-700);
    font-size: 1rem;
    line-height: 1.7;
    margin: 0 0 var(--spacing-lg);
}

.course-hero-tags {
    display: grid;
    gap: var(--spacing-sm);
}

.course-mini-title {
    font-size: 0.9375rem;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    color: var(--color-neutral-700);
    margin: 0;
}

.course-section {
    margin-top: var(--spacing-2xl);
}

.course-section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.course-section-title {
    font-size: 1.5rem;
    margin: 0 0 var(--spacing-md);
}

.course-section-head .course-section-title {
    margin-bottom: 0;
}

.course-section-note {
    margin: 0;
    color: var(--color-neutral-600);
    font-weight: 700;
    font-size: 0.9375rem;
}

.course-checklist {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: var(--spacing-sm);
}

.course-checklist li {
    position: relative;
    padding: 0.95rem 1rem 0.95rem 3.1rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-neutral-200);
    background: #ffffff;
    box-shadow: 0 10px 24px rgba(17, 24, 39, 0.06);
    color: var(--color-neutral-800);
}

.course-checklist li::before {
    content: '✓';
    position: absolute;
    left: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    border-radius: 999px;
    background: var(--gradient-primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 0.875rem;
    box-shadow: 0 10px 18px rgba(99, 102, 241, 0.25);
}

.course-checklist li:hover {
    transform: translateY(-2px);
    transition: transform var(--transition-fast);
}

.course-bullets {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: var(--spacing-sm);
}

.course-bullets li {
    position: relative;
    padding: 0.85rem 1rem 0.85rem 2.2rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-neutral-200);
    background: #ffffff;
    color: var(--color-neutral-800);
}

.course-bullets li::before {
    content: '';
    position: absolute;
    left: 0.95rem;
    top: 1.22rem;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gradient-primary);
}

.course-scenarios {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-md);
}

.course-scenario {
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-neutral-200);
    background: #ffffff;
    padding: 1rem 1rem 1rem 1.1rem;
    color: var(--color-neutral-800);
    position: relative;
    overflow: hidden;
}

.course-scenario::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-primary);
    opacity: 0.8;
}

.course-modules {
    counter-reset: module;
    list-style: none;
    padding: 0;
    margin: 0;
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    background: #ffffff;
}

.course-modules li {
    counter-increment: module;
    display: flex;
    align-items: flex-start;
    gap: 0.9rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-neutral-200);
    color: var(--color-neutral-800);
}

.course-modules li:last-child {
    border-bottom: none;
}

.course-modules li::before {
    content: counter(module);
    width: 32px;
    height: 32px;
    flex: 0 0 32px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 0.875rem;
    color: #ffffff;
    background: linear-gradient(135deg, rgba(99, 102, 241, 1) 0%, rgba(139, 92, 246, 1) 100%);
    box-shadow: 0 10px 18px rgba(99, 102, 241, 0.22);
    margin-top: 0.05rem;
}

.course-modules li:hover {
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.06) 0%, transparent 40%);
}

.course-cta {
    position: relative;
    overflow: hidden;
    width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    border: none;
    border-radius: 0;
    padding: 0;
    text-align: center;
}

.course-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(15, 23, 42, 0.72) 0%, rgba(15, 23, 42, 0.64) 55%, rgba(15, 23, 42, 0.78) 100%),
        url('img/cta-background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.course-cta::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 10%, rgba(99, 102, 241, 0.35) 0%, transparent 55%),
        radial-gradient(circle at 85% 35%, rgba(236, 72, 153, 0.22) 0%, transparent 55%),
        radial-gradient(circle at 50% 110%, rgba(20, 184, 166, 0.22) 0%, transparent 60%);
    pointer-events: none;
}

.course-cta-inner {
    position: relative;
    z-index: 1;
    max-width: 1100px;
    margin: 0 auto;
    padding: var(--spacing-3xl) var(--spacing-md);
}

.course-cta .course-section-title {
    color: #ffffff;
    background: none;
    -webkit-text-fill-color: #ffffff;
    text-shadow: 0 12px 34px rgba(0, 0, 0, 0.38);
}

.course-cta-text {
    margin: 0 0 var(--spacing-lg);
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    text-shadow: 0 10px 26px rgba(0, 0, 0, 0.32);
}

.course-cta-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.course-cta .btn-primary {
    background: rgba(15, 23, 42, 0.92);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.22);
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.35);
}

.course-cta .btn-primary:hover {
    background: rgba(15, 23, 42, 1);
    transform: translateY(-3px);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.42);
}

.course-cta .btn-secondary {
    border-color: rgba(255, 255, 255, 0.8);
    color: #ffffff;
}

.course-cta .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.course-requirements-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-2xl);
}

.course-back {
    margin-top: var(--spacing-2xl);
    text-align: center;
}

/* Scoped table styling (for future course content tables) */
.course-page table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    background: #ffffff;
}

.course-page th,
.course-page td {
    padding: 0.9rem 1rem;
    border-bottom: 1px solid var(--color-neutral-200);
    vertical-align: top;
}

.course-page th {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.10) 0%, rgba(139, 92, 246, 0.08) 100%);
    color: var(--color-neutral-900);
    font-weight: 800;
    text-align: left;
}

.course-page tr:last-child td {
    border-bottom: none;
}

.course-card {
    background: #ffffff;
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all var(--transition-base);
    position: relative;
    display: flex;
    width: 100%;
    max-width: 100%;
    min-height: 260px;
    box-shadow: 0 10px 30px rgba(17, 24, 39, 0.06);
}

.course-card::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 6px;
    background: var(--gradient-primary);
    opacity: 0.85;
}

.course-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-2xl);
    padding: 2px;
    background: var(--gradient-primary);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.course-card:hover {
    box-shadow: 0 18px 50px rgba(17, 24, 39, 0.12);
    transform: translateY(-6px);
}

.course-card:hover::before {
    opacity: 1;
}

.course-image {
    width: 100%;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-neutral-500);
    font-size: 0.875rem;
    font-weight: 500;
    position: relative;
    overflow: hidden;
    padding: 0;
}

.course-card .course-image {
    width: clamp(240px, 32%, 340px);
    flex: 0 0 clamp(240px, 32%, 340px);
    align-self: stretch;
}

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

.course-content {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

.course-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.course-badge {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.course-badge-level {
    background: var(--gradient-primary);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 10px rgba(99, 102, 241, 0.3);
}

.course-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    font-weight: 700;
    line-height: 1.3;
}

.course-subtitle {
    color: var(--color-neutral-600);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.course-description {
    color: var(--color-neutral-700);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.course-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.course-tag {
    padding: 0.375rem 0.75rem;
    background-color: var(--color-neutral-100);
    color: var(--color-neutral-700);
    font-size: 0.8125rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-neutral-200);
    transition: all var(--transition-fast);
}

.course-tag:hover {
    background-color: var(--color-neutral-200);
    border-color: var(--color-neutral-300);
}

.course-footer {
    margin-top: auto;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-neutral-200);
}

/* === Trust & Transparency === */
.trust-section {
    padding-top: var(--spacing-2xl);
}

.trust-card {
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-neutral-200);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(255, 255, 255, 0.78) 100%);
    box-shadow: 0 20px 55px rgba(17, 24, 39, 0.08);
    overflow: hidden;
    padding: var(--spacing-2xl);
    position: relative;
}

.trust-card::before {
    content: '';
    position: absolute;
    top: -45%;
    right: -30%;
    width: 560px;
    height: 560px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.16) 0%, transparent 65%);
}

.trust-top {
    display: grid;
    grid-template-columns: 1fr minmax(220px, 300px);
    gap: var(--spacing-2xl);
    align-items: start;
    margin-bottom: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.trust-visual {
    background:
        radial-gradient(circle at 20% 20%, rgba(99, 102, 241, 0.22) 0%, transparent 55%),
        radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.18) 0%, transparent 55%),
        linear-gradient(135deg, rgba(99, 102, 241, 0.10) 0%, rgba(6, 182, 212, 0.10) 100%);
    padding: var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(99, 102, 241, 0.16);
    aspect-ratio: 1 / 1;
}

.trust-visual img {
    width: 100%;
    max-width: 240px;
    height: auto;
    display: block;
    filter: drop-shadow(0 20px 40px rgba(17, 24, 39, 0.18));
}

.trust-head {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-start;
    margin-bottom: 0;
    position: relative;
    z-index: 1;
}

.trust-icon {
    width: 54px;
    height: 54px;
    border-radius: var(--radius-xl);
    background: var(--gradient-primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    box-shadow: 0 16px 30px rgba(99, 102, 241, 0.28);
    flex: 0 0 54px;
}

.trust-title {
    margin: 0;
    font-size: 2rem;
    line-height: 1.15;
}

.trust-subtitle {
    margin: var(--spacing-sm) 0 0;
    color: var(--color-neutral-600);
    line-height: 1.65;
    font-size: 1.05rem;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.trust-block {
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-2xl);
    background: #ffffff;
    padding: var(--spacing-xl);
    box-shadow: 0 14px 30px rgba(17, 24, 39, 0.06);
}

.trust-block-title {
    margin: 0 0 var(--spacing-md);
    font-size: 1.125rem;
}

.trust-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: var(--spacing-sm);
}

.trust-list li {
    position: relative;
    padding-left: 2rem;
    color: var(--color-neutral-800);
    line-height: 1.6;
}

.trust-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.35rem;
    width: 18px;
    height: 18px;
    border-radius: 6px;
    background: rgba(99, 102, 241, 0.14);
    border: 1px solid rgba(99, 102, 241, 0.22);
}

.trust-list-good li::after {
    content: '✓';
    position: absolute;
    left: 4px;
    top: 0.14rem;
    font-weight: 900;
    font-size: 0.85rem;
    color: var(--color-primary);
}

.trust-list-neutral li::after {
    content: '—';
    position: absolute;
    left: 6px;
    top: 0.06rem;
    font-weight: 900;
    font-size: 1rem;
    color: var(--color-neutral-600);
}

.trust-note {
    margin-top: var(--spacing-xl);
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(99, 102, 241, 0.18);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(139, 92, 246, 0.06) 60%, rgba(6, 182, 212, 0.05) 100%);
    padding: var(--spacing-lg);
    color: var(--color-neutral-800);
    line-height: 1.65;
    position: relative;
    z-index: 1;
}

/* === FAQ === */
.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: #ffffff;
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    box-shadow: var(--shadow-lg);
    border-color: rgba(99, 102, 241, 0.3);
}

.faq-item.active {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-xl);
    background: none;
    border: none;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-neutral-900);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-base);
}

.faq-item.active .faq-question {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.faq-question:hover {
    background: rgba(99, 102, 241, 0.03);
}

.faq-icon {
    font-size: 1.5rem;
    color: var(--color-primary);
    transition: transform var(--transition-base);
    flex-shrink: 0;
    margin-left: var(--spacing-md);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 600px;
}

.faq-answer-content {
    padding: 0 var(--spacing-xl) var(--spacing-xl);
    color: var(--color-neutral-700);
    line-height: 1.7;
}

/* === CTA Section === */
.cta-section {
    background:
        linear-gradient(135deg, rgba(99, 102, 241, 0.86) 0%, rgba(139, 92, 246, 0.86) 55%, rgba(6, 182, 212, 0.70) 120%),
        url('img/cta-background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: #ffffff;
    padding: var(--spacing-3xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section .section-header {
    position: relative;
    z-index: 1;
}

.cta-section .hero-cta {
    position: relative;
    z-index: 1;
}

.cta-section .section-title {
    color: #ffffff;
    background: none;
    -webkit-text-fill-color: #ffffff;
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.cta-section .section-subtitle {
    color: rgba(255, 255, 255, 0.92);
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.cta-section .btn-primary {
    background: rgba(15, 23, 42, 0.92);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.22);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.35);
}

.cta-section .btn-primary:hover {
    background: rgba(15, 23, 42, 1);
    transform: translateY(-4px);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.42);
}

.cta-section .btn-secondary {
    border-color: #ffffff;
    color: #ffffff;
}

.cta-section .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

/* === Footer === */
.site-footer {
    position: relative;
    overflow: hidden;
    color: rgba(255, 255, 255, 0.72);
    padding: calc(var(--spacing-3xl) + 1rem) 0 var(--spacing-xl);
    background:
        radial-gradient(circle at 15% 0%, rgba(99, 102, 241, 0.35) 0%, transparent 55%),
        radial-gradient(circle at 85% 20%, rgba(236, 72, 153, 0.22) 0%, transparent 55%),
        radial-gradient(circle at 50% 110%, rgba(20, 184, 166, 0.18) 0%, transparent 60%),
        linear-gradient(180deg, rgba(2, 6, 23, 0.0) 0%, rgba(2, 6, 23, 0.35) 10%, rgba(2, 6, 23, 0.85) 55%, rgba(2, 6, 23, 1) 100%),
        #050816;
}

.site-footer::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 18px;
    background:
        linear-gradient(90deg, rgba(99, 102, 241, 0.0) 0%, rgba(99, 102, 241, 0.75) 35%, rgba(236, 72, 153, 0.7) 65%, rgba(236, 72, 153, 0.0) 100%);
    opacity: 0.9;
    filter: blur(0.2px);
    pointer-events: none;
}

.site-footer::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 48px 48px;
    opacity: 0.22;
    mask-image: radial-gradient(circle at 50% 10%, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.55) 45%, rgba(0, 0, 0, 0) 75%);
    pointer-events: none;
}

.site-footer .container {
    position: relative;
    z-index: 1;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(12px);
    transition: transform var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    position: relative;
    overflow: hidden;
}

.footer-section::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    background:
        radial-gradient(circle at 10% 0%, rgba(99, 102, 241, 0.35) 0%, transparent 55%),
        radial-gradient(circle at 90% 20%, rgba(236, 72, 153, 0.18) 0%, transparent 55%);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.footer-section:hover {
    transform: translateY(-6px);
    background: rgba(255, 255, 255, 0.055);
    border-color: rgba(255, 255, 255, 0.16);
}

.footer-section:hover::before {
    opacity: 1;
}

.footer-section h4 {
    color: rgba(255, 255, 255, 0.92);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.72);
}

.site-footer .footer-meta {
    margin: 0 0 0.75rem;
    font-size: 0.92rem;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.72);
}

.footer-logo {
    height: 44px;
    width: auto;
    display: block;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 6px 18px rgba(0, 0, 0, 0.35));
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.72);
    transition: color var(--transition-fast), transform var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
}

.footer-links a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -6px;
    height: 2px;
    width: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transform: scaleX(0.75);
    transform-origin: left;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.footer-links a:hover {
    color: #ffffff;
    transform: translateX(2px);
}

.footer-links a:hover::after {
    opacity: 1;
    transform: scaleX(1);
}

.footer-bottom {
    margin-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: var(--spacing-lg);
    text-align: center;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom p {
    color: inherit;
}

/* === Pricing Section === */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-2xl);
    max-width: 1100px;
    margin: 0 auto;
    align-items: stretch;
}

.pricing-card {
    background: #ffffff;
    border: 2px solid var(--color-neutral-200);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-lg);
    position: relative;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.pricing-card.popular {
    border-color: transparent;
    background: linear-gradient(#ffffff, #ffffff) padding-box,
                var(--gradient-primary) border-box;
    box-shadow: var(--shadow-xl);
    transform: none;
}

.pricing-card.popular:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.pricing-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: #ffffff;
    padding: 0.375rem 1.5rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
}

.pricing-name {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
    font-weight: 700;
}

.pricing-price {
    font-size: 3.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--spacing-xs);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-currency {
    font-size: 1.75rem;
    color: var(--color-neutral-600);
}

.pricing-period {
    text-align: center;
    color: var(--color-neutral-600);
    margin-bottom: var(--spacing-xl);
    font-size: 0.9375rem;
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
    flex: 1;
}

.pricing-card .btn,
.pricing-card button.btn {
    margin-top: auto;
    display: block;
    width: 100%;
    margin-left: 0;
    margin-right: 0;
}

.pricing-features li {
    padding: var(--spacing-sm) 0;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    border-bottom: 1px solid var(--color-neutral-100);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li::before {
    content: '✓';
    color: var(--color-accent);
    font-weight: 800;
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* === Modal === */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(2, 6, 23, 0.65);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 10000;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background:
        radial-gradient(circle at 10% 0%, rgba(99, 102, 241, 0.10) 0%, transparent 55%),
        radial-gradient(circle at 90% 30%, rgba(236, 72, 153, 0.08) 0%, transparent 55%),
        linear-gradient(180deg, #ffffff 0%, #fbfbff 100%);
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 100%;
    padding: var(--spacing-xl);
    position: relative;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(15, 23, 42, 0.10);
    max-height: calc(100vh - (2 * var(--spacing-lg)));
    overflow: auto;
    -webkit-overflow-scrolling: touch;
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-neutral-600);
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-neutral-900);
}

.modal-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.modal-title {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xs);
}

.modal-body {
    margin-bottom: var(--spacing-lg);
}

.modal-form {
    display: grid;
    gap: var(--spacing-md);
}

.modal-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.modal-field {
    display: grid;
    gap: 0.35rem;
}

.modal-label {
    font-size: 0.9rem;
    font-weight: 650;
    color: var(--color-neutral-800);
}

.modal-input,
.modal-select {
    width: 100%;
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-md);
    padding: 0.75rem 0.875rem;
    background: #ffffff;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.modal-input:focus,
.modal-select:focus {
    outline: none;
    border-color: rgba(99, 102, 241, 0.55);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.14);
}

.modal-help {
    font-size: 0.875rem;
    color: var(--color-neutral-600);
}

.modal-summary {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: 0.75rem 0.875rem;
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.08), rgba(99, 102, 241, 0.04));
    border: 1px solid rgba(99, 102, 241, 0.18);
    margin-bottom: var(--spacing-md);
}

.modal-summary strong {
    color: var(--color-neutral-900);
}

.modal-success {
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    background:
        radial-gradient(circle at 20% 0%, rgba(34, 197, 94, 0.18) 0%, transparent 55%),
        radial-gradient(circle at 90% 30%, rgba(20, 184, 166, 0.14) 0%, transparent 55%),
        rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.22);
    position: relative;
    overflow: hidden;
}

#paymentModal .payment-success {
    background:
        radial-gradient(circle at 15% 0%, rgba(99, 102, 241, 0.18) 0%, transparent 55%),
        radial-gradient(circle at 90% 30%, rgba(236, 72, 153, 0.12) 0%, transparent 55%),
        rgba(99, 102, 241, 0.06);
    border-color: rgba(99, 102, 241, 0.18);
}

.modal-success h3 {
    margin: 0 0 0.35rem;
}

.modal-success p {
    color: var(--color-neutral-700);
}

.modal-success a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.modal-success-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.modal-success-list li {
    padding: 0.35rem 0;
    display: flex;
    gap: 0.5rem;
    align-items: baseline;
}

.modal-success-list li::before {
    content: '';
    width: 10px;
    height: 10px;
    margin-top: 0.35rem;
    border-radius: 999px;
    background: rgba(34, 197, 94, 0.85);
    box-shadow: 0 8px 18px rgba(34, 197, 94, 0.25);
    flex-shrink: 0;
}

/* === Contact Page === */
.contact-page .contact-header {
    margin-bottom: var(--spacing-2xl);
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.contact-card {
    overflow: hidden;
}

.contact-card-head {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.contact-card-icon {
    width: 46px;
    height: 46px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(99, 102, 241, 1) 0%, rgba(139, 92, 246, 1) 100%);
    color: #ffffff;
    box-shadow: 0 18px 38px rgba(99, 102, 241, 0.25);
    flex-shrink: 0;
}

.contact-card-icon-alt {
    background: linear-gradient(135deg, rgba(20, 184, 166, 1) 0%, rgba(6, 182, 212, 1) 100%);
    box-shadow: 0 18px 38px rgba(20, 184, 166, 0.22);
}

.contact-card-title {
    margin: 0;
}

.contact-card-text {
    margin-bottom: var(--spacing-sm);
    color: var(--color-neutral-700);
}

.contact-card-value {
    margin: 0 0 var(--spacing-sm);
    font-weight: 850;
    letter-spacing: 0.2px;
}

.contact-card-value a {
    color: var(--color-neutral-900);
}

.contact-card-value a:hover {
    color: var(--color-primary-dark);
}

.contact-card-meta {
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-neutral-600);
}

.contact-form-card {
    margin-bottom: var(--spacing-2xl);
}

.contact-form-head {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-form-icon {
    width: 46px;
    height: 46px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(236, 72, 153, 1) 0%, rgba(244, 63, 94, 1) 100%);
    color: #ffffff;
    box-shadow: 0 18px 38px rgba(236, 72, 153, 0.22);
    flex-shrink: 0;
}

.contact-form-title {
    margin: 0 0 0.25rem;
    font-size: 1.75rem;
}

.contact-form-subtitle {
    margin: 0;
    color: var(--color-neutral-600);
}

.contact-form-fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-field {
    display: grid;
    gap: 0.4rem;
}

.form-field-full {
    grid-column: 1 / -1;
}

.form-label {
    font-weight: 650;
    color: var(--color-neutral-800);
}

.form-required {
    color: var(--color-error);
    margin-left: 0.25rem;
}

.contact-page .form-control {
    width: 100%;
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-md);
    padding: 0.8rem 0.95rem;
    font-size: 1rem;
    background: #ffffff;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.contact-page textarea.form-control {
    resize: vertical;
}

.contact-page .form-control:focus {
    outline: none;
    border-color: rgba(99, 102, 241, 0.55);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.14);
}

.contact-submit {
    width: 100%;
    margin-top: var(--spacing-lg);
}

.contact-note {
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-neutral-600);
    text-align: center;
}

.contact-note a {
    text-decoration: underline;
    text-underline-offset: 2px;
}

.contact-browse {
    text-align: center;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.06) 0%, rgba(236, 72, 153, 0.04) 100%);
    border: 1px solid rgba(99, 102, 241, 0.14);
}

.contact-browse-icon {
    width: 58px;
    height: 58px;
    border-radius: 20px;
    margin: 0 auto var(--spacing-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.06);
    border: 1px solid rgba(15, 23, 42, 0.08);
    color: var(--color-primary);
}

.contact-browse-title {
    margin-bottom: var(--spacing-sm);
}

.contact-browse-text {
    margin-bottom: var(--spacing-lg);
    color: var(--color-neutral-700);
}

@media (max-width: 768px) {
    .contact-cards {
        grid-template-columns: 1fr;
    }

    .contact-form-fields {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .modal-form-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .modal {
        padding: var(--spacing-sm);
    }

    .modal-content {
        padding: var(--spacing-lg);
        border-radius: var(--radius-xl);
        max-height: calc(100vh - (2 * var(--spacing-sm)));
    }

    .modal-title {
        font-size: 1.5rem;
    }
}

/* === Utilities === */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

/* === Responsive Design === */
@media (max-width: 768px) {
    :root {
        --spacing-3xl: 3rem;
        --spacing-2xl: 2rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: var(--spacing-md);
        border-top: 1px solid var(--color-neutral-200);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .course-grid {
        gap: var(--spacing-xl);
    }

    .course-card {
        max-width: 100%;
    }

    .course-card .course-image {
        width: 200px;
        flex-basis: 200px;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.popular {
        transform: none;
    }


    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .path-step {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .path-step:not(:last-child)::after {
        left: 24px;
        top: 50px;
    }

    .course-hero {
        grid-template-columns: 1fr;
        padding: var(--spacing-lg);
    }

    .course-hero-media {
        max-width: 420px;
    }

    .course-scenarios {
        grid-template-columns: 1fr;
    }

    .course-requirements-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .trust-card {
        padding: var(--spacing-xl);
    }

    .trust-top {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .trust-visual {
        max-width: 420px;
        justify-self: center;
        width: 100%;
    }

    .trust-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .course-card {
        flex-direction: column;
        min-height: unset;
    }

    .course-card .course-image {
        width: 100%;
        flex-basis: auto;
        min-height: 180px;
    }

    .course-content {
        padding: var(--spacing-md);
    }

    .card,
    .pricing-card {
        padding: var(--spacing-md);
    }

}
.use-case-example {
  margin-top: 1rem;
  font-size: 0.9rem;
  line-height: 1.45;
  color: #5f5f7a;
}

.example-label {
  display: inline-block;
  margin-right: 0.35rem;
  font-weight: 600;
  color: #6b63ff;
}
