/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Dark Mode Color Palette */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #10b981;
    --secondary-dark: #059669;
    --accent-color: #f59e0b;
    --accent-dark: #d97706;
    
    /* Dark Mode Background Colors */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --bg-overlay: rgba(15, 23, 42, 0.8);
    
    /* Dark Mode Text Colors */
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --text-muted: #64748b;
    
    /* Border Colors */
    --border-color: rgba(51, 65, 85, 0.5);
    --border-light: rgba(51, 65, 85, 0.3);
    --border-hover: rgba(99, 102, 241, 0.5);
    
    /* Shadows with dark mode adjustments */
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    --shadow-glow-lg: 0 0 40px rgba(99, 102, 241, 0.4);
    
    /* Transitions */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 20px;
    --border-radius-2xl: 24px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition-base);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-graphic {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 8px rgba(99, 102, 241, 0.5));
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    filter: drop-shadow(0 0 4px rgba(99, 102, 241, 0.3));
}

.logo-reg {
    font-size: 0.7rem;
    vertical-align: super;
    margin-left: 2px;
}

.logo-tagline {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin: 0;
    font-weight: 400;
    text-transform: lowercase;
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition-base);
    position: relative;
    padding: 0.5rem 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

.nav-menu a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all 0.3s ease;
    border-radius: 3px;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 50%, #1e1b4b 100%);
    z-index: -2;
}

.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.2) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.4);
    z-index: -1;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    padding: 2rem;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-base);
    display: inline-block;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-lg), var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--text-primary);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
    color: var(--primary-light);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid white;
    border-radius: 25px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Courses Section */
.courses {
    padding: 100px 0;
    background: var(--bg-primary);
    position: relative;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.course-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition-base);
    border: 1px solid var(--border-color);
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(16, 185, 129, 0.1));
    opacity: 0;
    transition: var(--transition-base);
    z-index: 0;
}

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

.course-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-glow), var(--shadow-xl);
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.course-card > * {
    position: relative;
    z-index: 1;
}

.course-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-primary);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-glow);
}

.course-badge.featured {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
}

.course-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    filter: drop-shadow(0 4px 8px rgba(99, 102, 241, 0.3));
    transition: var(--transition-base);
}

.course-card:hover .course-icon {
    filter: drop-shadow(0 8px 16px rgba(99, 102, 241, 0.5));
    transform: scale(1.1) rotate(5deg);
}

.course-card h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.course-duration {
    color: var(--primary-light);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.course-description {
    color: var(--text-tertiary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.course-topics {
    list-style: none;
    margin-bottom: 2rem;
    padding: 0;
}

.course-topics li {
    color: var(--text-secondary);
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

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

.course-topics li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: 700;
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.course-level {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    font-weight: 500;
}

.btn-small {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
}

/* Services Section */
.services {
    padding: 100px 0;
    background: var(--bg-secondary);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-tertiary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition-base);
    text-align: center;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(16, 185, 129, 0.1));
    opacity: 0;
    transition: var(--transition-base);
    z-index: 0;
}

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

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-glow), var(--shadow-xl);
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.service-card > * {
    position: relative;
    z-index: 1;
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    display: inline-block;
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-tertiary);
    line-height: 1.8;
}

/* Learning Experience Section */
.learning-experience {
    padding: 100px 0;
    background: var(--bg-primary);
    position: relative;
}

.learning-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.learning-feature {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.learning-feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(16, 185, 129, 0.1));
    opacity: 0;
    transition: var(--transition-base);
    z-index: 0;
}

.learning-feature:hover::before {
    opacity: 1;
}

.learning-feature:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow), var(--shadow-xl);
    border-color: var(--border-hover);
}

.learning-feature > * {
    position: relative;
    z-index: 1;
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 4px 8px rgba(99, 102, 241, 0.3));
    transition: var(--transition-base);
}

.learning-feature:hover .feature-icon svg {
    filter: drop-shadow(0 8px 16px rgba(99, 102, 241, 0.5));
    transform: scale(1.1) rotate(5deg);
}

.learning-feature h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.learning-feature p {
    color: var(--text-tertiary);
    line-height: 1.7;
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--bg-secondary);
    position: relative;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-graphic {
    width: 100%;
    max-width: 400px;
}

.graphic-container {
    position: relative;
    padding: 2rem;
}

.devops-infinity {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 0 20px rgba(99, 102, 241, 0.3));
    animation: rotate 20s linear infinite;
}

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

/* Instructors Section */
.instructors {
    padding: 100px 0;
    background: var(--bg-secondary);
    position: relative;
}

.instructors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.instructor-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.instructor-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

.instructor-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-glow), var(--shadow-xl);
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.instructor-avatar {
    margin-bottom: 1.5rem;
}

.avatar-placeholder {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: 0 8px 16px rgba(37, 99, 235, 0.2);
    transition: transform 0.3s ease;
}

.instructor-card:hover .avatar-placeholder {
    transform: scale(1.05);
}

.avatar-initial {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
}

.instructor-info {
    width: 100%;
}

.instructor-name {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.instructor-title {
    font-size: 1.1rem;
    color: var(--text-tertiary);
    margin-bottom: 1rem;
    font-weight: 500;
}

.instructor-experience {
    margin-bottom: 1.5rem;
}

.experience-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-primary);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: var(--shadow-glow);
}

.instructor-bio {
    color: var(--text-tertiary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.instructor-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.skill-tag {
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    color: var(--primary-light);
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background: var(--primary-color);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
    border-color: var(--primary-light);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-tertiary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 2px solid var(--border-color);
}

.stat-item {
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-item p {
    color: var(--text-tertiary);
    font-weight: 500;
}

/* Blog Section */
.blog {
    padding: 100px 0;
    background: var(--bg-secondary);
    position: relative;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.blog-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition-base);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: relative;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow), var(--shadow-xl);
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.blog-card.featured-blog {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    border: 2px solid var(--primary-color);
}

.blog-image {
    position: relative;
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    overflow: hidden;
}

.blog-card.featured-blog .blog-image {
    min-height: 100%;
}

.blog-placeholder {
    font-size: 4rem;
    opacity: 0.3;
    transition: var(--transition-base);
}

.blog-card:hover .blog-placeholder {
    opacity: 0.5;
    transform: scale(1.1);
}

.blog-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.5rem 1rem;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid var(--border-color);
}

.blog-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.blog-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.blog-date,
.blog-read-time {
    display: flex;
    align-items: center;
}

.blog-category-tag {
    padding: 0.25rem 0.75rem;
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-light);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.8rem;
}

.blog-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.3;
    transition: var(--transition-base);
}

.blog-card:hover .blog-title {
    color: var(--primary-light);
}

.blog-excerpt {
    color: var(--text-tertiary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.blog-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.author-avatar-small {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
}

.author-details {
    display: flex;
    flex-direction: column;
}

.author-name {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
}

.author-role {
    color: var(--text-tertiary);
    font-size: 0.8rem;
}

.blog-link {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-link:hover {
    color: var(--primary-color);
    gap: 0.75rem;
}

.blog-cta {
    text-align: center;
    margin-top: 3rem;
}

/* Companies Section */
.companies {
    padding: 100px 0;
    background: var(--bg-primary);
    position: relative;
}

.companies-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

.companies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.company-logo-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition-base);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 150px;
    position: relative;
    overflow: hidden;
}

.company-logo-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(16, 185, 129, 0.1));
    opacity: 0;
    transition: var(--transition-base);
    z-index: 0;
}

.company-logo-card:hover::before {
    opacity: 1;
}

.company-logo-card:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: var(--shadow-glow), var(--shadow-xl);
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.company-logo {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.company-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
    border-radius: var(--border-radius-md);
    border: 2px dashed var(--border-color);
    transition: var(--transition-base);
    padding: 1.5rem;
}

.company-logo-svg {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.company-logo-svg svg {
    width: 100%;
    height: auto;
    max-height: 80px;
    filter: grayscale(100%) brightness(0.8);
    transition: var(--transition-base);
}

.company-logo-card:hover .company-logo-svg svg {
    filter: grayscale(0%) brightness(1);
    transform: scale(1.1);
}

.company-logo-card:hover .company-placeholder {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(16, 185, 129, 0.1));
}

.company-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
    letter-spacing: 0.5px;
}

/* Company logo image styling (for when actual logos are added) */
.company-logo img {
    max-width: 100%;
    max-height: 80px;
    object-fit: contain;
    filter: grayscale(100%) brightness(0.8);
    transition: var(--transition-base);
}

.company-logo-card:hover .company-logo img {
    filter: grayscale(0%) brightness(1);
    transform: scale(1.1);
}

.companies-cta {
    text-align: center;
    margin-top: 3rem;
}

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
    background: var(--bg-secondary);
    position: relative;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition-base);
    border: 1px solid var(--border-color);
    position: relative;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow), var(--shadow-xl);
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.testimonial-rating {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.testimonial-text {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
    font-style: italic;
    font-size: 1.05rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.author-info h4 {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.author-info p {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* Pricing Section */
.pricing {
    padding: 100px 0;
    background: var(--bg-secondary);
    position: relative;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition-base);
    border: 1px solid var(--border-color);
    position: relative;
    text-align: center;
    display: flex;
    flex-direction: column;
}

.pricing-card.featured-pricing {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
    box-shadow: var(--shadow-glow), var(--shadow-xl);
}

.pricing-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-glow), var(--shadow-xl);
    border-color: var(--border-hover);
}

.pricing-card.featured-pricing:hover {
    transform: translateY(-10px) scale(1.07);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-primary);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-glow);
}

.pricing-card h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.pricing-amount {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    margin-bottom: 0.5rem;
}

.currency {
    font-size: 1.5rem;
    color: var(--text-tertiary);
    margin-right: 0.25rem;
    margin-top: 0.5rem;
}

.amount {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-period {
    color: var(--text-tertiary);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 2rem;
    flex-grow: 1;
    padding: 0;
}

.pricing-features li {
    color: var(--text-secondary);
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
}

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

/* Schedule Section */
.schedule {
    padding: 100px 0;
    background: var(--bg-secondary);
    position: relative;
}

.schedule-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    margin-bottom: 4rem;
}

.schedule-option {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition-base);
    border: 1px solid var(--border-color);
}

.schedule-option:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow), var(--shadow-xl);
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.schedule-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.schedule-header h3 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.schedule-badge {
    padding: 0.4rem 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-primary);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.schedule-details p {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.schedule-details strong {
    color: var(--text-primary);
}

.timeline-section {
    margin-top: 4rem;
    padding-top: 4rem;
    border-top: 2px solid var(--border-color);
}

.timeline-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 3rem;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 2rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
    align-items: flex-start;
}

.timeline-marker {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: var(--shadow-glow);
    position: relative;
    z-index: 1;
}

.timeline-content {
    flex: 1;
    background: var(--bg-card);
    padding: 1.5rem 2rem;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition-base);
}

.timeline-item:hover .timeline-content {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.timeline-content h4 {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: var(--text-tertiary);
    line-height: 1.7;
    margin: 0;
}

/* FAQ Section */
.faq {
    padding: 100px 0;
    background: var(--bg-primary);
    position: relative;
}

.faq-container {
    max-width: 800px;
    margin: 3rem auto 0;
}

.faq-item {
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition-base);
}

.faq-item:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow);
}

.faq-question {
    width: 100%;
    padding: 1.5rem 2rem;
    background: transparent;
    border: none;
    text-align: left;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-base);
}

.faq-question:hover {
    color: var(--primary-light);
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--primary-color);
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: 1rem;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 2rem;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 2rem 1.5rem;
}

.faq-answer p {
    color: var(--text-tertiary);
    line-height: 1.8;
    margin: 0;
}

/* Social Links */
.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.social-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-base);
    font-size: 0.9rem;
}

.social-link:hover {
    color: var(--primary-light);
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--bg-primary);
    position: relative;
}

.contact-content {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow);
    transition: var(--transition-base);
    border: 1px solid var(--border-color);
}

.contact-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.contact-item h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.contact-item p {
    color: var(--text-tertiary);
    font-size: 1.1rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group input,
.form-group textarea {
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-base);
    background: var(--bg-card);
    color: var(--text-primary);
    width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2), var(--shadow-glow);
    background: var(--bg-card-hover);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 60px 0 20px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.footer-section p {
    opacity: 0.8;
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
    opacity: 0.8;
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-base);
}

.footer-section ul li a:hover {
    color: var(--primary-light);
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    opacity: 0.8;
    color: var(--text-tertiary);
}

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

/* Focus states for accessibility */
a:focus,
button:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    outline-style: solid;
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--primary-light);
    outline-offset: 3px;
    border-radius: 4px;
}

/* Smooth transitions for all interactive elements */
a,
button,
.service-card,
.instructor-card,
.contact-item {
    transition: var(--transition-base);
}

/* Enhanced form styling */
.form-group input:not(:placeholder-shown),
.form-group textarea:not(:placeholder-shown) {
    border-color: var(--primary-color);
}

/* Loading state for buttons */
.btn:active {
    transform: scale(0.98);
}

/* Improved contrast for better readability */
.service-card p,
.instructor-bio,
.about-text p {
    color: var(--text-secondary);
}

/* Enhanced section separators */
section {
    position: relative;
}

section:not(:last-child)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

/* Skip to main content link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: var(--text-primary);
    padding: 8px;
    text-decoration: none;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* Enhanced Visual Effects */
.service-icon {
    filter: drop-shadow(0 4px 8px rgba(99, 102, 241, 0.3));
    transition: var(--transition-base);
}

.service-card:hover .service-icon {
    filter: drop-shadow(0 8px 16px rgba(99, 102, 241, 0.5));
}

/* Glassmorphism effect for cards */
.service-card,
.instructor-card,
.contact-item {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* Enhanced gradient backgrounds */
.hero-title {
    background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 50%, #818cf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgba(99, 102, 241, 0.3);
}

/* Animated background pattern */
.services::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

.instructors::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 75% 25%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 25% 75%, rgba(16, 185, 129, 0.08) 0%, transparent 50%);
    animation: float 25s ease-in-out infinite reverse;
    pointer-events: none;
    z-index: 0;
}

.services > .container,
.instructors > .container {
    position: relative;
    z-index: 1;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
    }
    33% {
        transform: translateY(-20px) translateX(10px);
    }
    66% {
        transform: translateY(10px) translateX(-10px);
    }
}

/* Enhanced scroll indicator */
.scroll-indicator span {
    border-color: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.1);
}

.scroll-indicator span::before {
    background: var(--primary-light);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

/* Richer button effects */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn > * {
    position: relative;
    z-index: 1;
}

/* Enhanced stat numbers */
.stat-item h3 {
    animation: countUp 2s ease-out;
}

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

/* Richer card hover effects */
.service-card,
.instructor-card {
    position: relative;
}

.service-card::after,
.instructor-card::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color), var(--primary-color));
    border-radius: var(--border-radius-lg);
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s ease;
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
}

.service-card:hover::after,
.instructor-card:hover::after {
    opacity: 0.5;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-secondary);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
        border-top: 1px solid var(--border-color);
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

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

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .about-text h2 {
        font-size: 2rem;
    }

    .instructors-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .instructor-card {
        padding: 2rem;
    }

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

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

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

    .pricing-card.featured-pricing {
        transform: scale(1);
    }

    .pricing-card.featured-pricing:hover {
        transform: translateY(-10px) scale(1.02);
    }

    .course-card,
    .testimonial-card,
    .pricing-card {
        padding: 2rem;
    }

    .faq-question {
        padding: 1.25rem 1.5rem;
        font-size: 1rem;
    }

    .faq-answer {
        padding: 0 1.5rem;
    }

    .faq-item.active .faq-answer {
        padding: 0 1.5rem 1.25rem;
    }

    .schedule-container {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 1.5rem;
    }

    .timeline-marker {
        width: 3rem;
        height: 3rem;
        font-size: 1.2rem;
    }

    .timeline-item {
        gap: 1rem;
    }

    .timeline-content {
        padding: 1.25rem 1.5rem;
    }

    .timeline-item:hover .timeline-content {
        transform: translateX(5px);
    }

    .blog-card.featured-blog {
        grid-column: span 1;
        display: flex;
        flex-direction: column;
    }

    .blog-card.featured-blog .blog-image {
        min-height: 200px;
    }

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

    .logo-container {
        flex-direction: column;
        gap: 0.5rem;
    }

    .logo-graphic {
        width: 40px;
        height: 40px;
    }

    .logo-main {
        font-size: 1.2rem;
    }

    .logo-tagline {
        font-size: 0.65rem;
    }

    .companies-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 1.5rem;
    }

    .company-logo-card {
        padding: 1.5rem;
        min-height: 120px;
    }

    .company-name {
        font-size: 1rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-visual {
        order: -1;
    }

    .hero-stats {
        gap: 2rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .learning-features {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-badge {
        font-size: 0.75rem;
        padding: 0.5rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .btn {
        padding: 0.875rem 2rem;
        font-size: 0.9rem;
    }

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