/* CSS Variables - Monochrome Color Scheme with Mining Theme */
:root {
    /* Primary Colors - Monochrome Mining Palette */
    --primary-color: #1a1a1a;
    --primary-light: #333333;
    --primary-dark: #000000;
    --secondary-color: #666666;
    --secondary-light: #888888;
    --secondary-dark: #444444;
    
    /* Accent Colors - Gold Mining Theme */
    --accent-color: #d4af37;
    --accent-light: #f4d03f;
    --accent-dark: #b8860b;
    
    /* Neutral Colors */
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --medium-gray: #dee2e6;
    --dark-gray: #495057;
    --text-color: #212529;
    --text-light: #6c757d;
    
    /* Glass Effect Colors */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: rgba(0, 0, 0, 0.1);
    
    /* Background Overlays */
    --overlay-dark: rgba(0, 0, 0, 0.7);
    --overlay-light: rgba(0, 0, 0, 0.4);
    --overlay-accent: rgba(212, 175, 55, 0.9);
    
    /* Typography */
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Nunito', sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --section-padding: 80px 0;
    --container-padding: 0 20px;
    --card-padding: 30px;
    --element-gap: 20px;
    
    /* Border Radius */
    --radius-small: 8px;
    --radius-medium: 15px;
    --radius-large: 25px;
    
    /* Shadows */
    --shadow-light: 0 5px 15px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 10px 30px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 20px 40px rgba(0, 0, 0, 0.3);
    --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.37);
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 0.8s ease;
    
    /* Z-index layers */
    --z-header: 1000;
    --z-overlay: 100;
    --z-content: 10;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-gray);
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* Section Styles */
.section {
    padding: var(--section-padding);
    position: relative;
}

/* Privacy and Terms Pages Styles */
.page-content {
    padding-top: 100px;
    min-height: 100vh;
}

.page-content .container {
    max-width: 800px;
}

.page-header {
    text-align: center;
    margin-bottom: 40px;
}

.page-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: 20px;
}

.page-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

.page-text {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-medium);
    padding: 40px;
    box-shadow: var(--shadow-glass);
}

.page-text h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--primary-color);
    margin: 30px 0 15px 0;
}

.page-text h3:first-child {
    margin-top: 0;
}

.page-text p {
    margin-bottom: 20px;
    line-height: 1.7;
}

.page-text ul, .page-text ol {
    margin: 20px 0 20px 20px;
}

.page-text li {
    margin-bottom: 10px;
    line-height: 1.6;
}

/* Success Page Styles */
.success-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    position: relative;
}

.success-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('image/mining-success-celebration.jpg') center/cover no-repeat;
    opacity: 0.1;
    z-index: 1;
}

.success-content {
    text-align: center;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-large);
    padding: 60px 40px;
    box-shadow: var(--shadow-glass);
    position: relative;
    z-index: 10;
    color: var(--white);
}

.success-icon {
    font-size: 4rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.success-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: 20px;
}

.success-message {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: 15px;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 15px;
    line-height: 1.6;
}

/* Button Styles - Global */
.btn, button, input[type='submit'] {
    display: inline-block;
    padding: 15px 30px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    border-radius: var(--radius-medium);
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-medium);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
    color: var(--white);
    border: 1px solid var(--accent-color);
}

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

.btn-secondary {
    background: var(--glass-bg);
    color: var(--white);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s;
}

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

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-light);
    z-index: var(--z-header);
    transition: var(--transition-fast);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
}

.logo h1 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin: 0;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width var(--transition-fast);
}

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

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

.burger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.burger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: var(--transition-fast);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--overlay-dark);
    z-index: var(--z-overlay);
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: var(--z-content);
    max-width: 800px;
    color: var(--white);
}

.hero-title {
    font-size: 4rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    color: var(--white);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 20px;
    color: var(--accent-light);
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 40px;
    opacity: 0.9;
    color: var(--white);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Parallax Container */
.parallax-container {
    perspective: 1px;
    height: 100vh;
    overflow-x: hidden;
    overflow-y: auto;
}

/* Section Header Styles */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-dark));
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    font-weight: var(--font-weight-normal);
}

/* History Timeline */
.history-timeline {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.timeline-item {
    display: flex;
    align-items: center;
    gap: 40px;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-large);
    padding: 40px;
    box-shadow: var(--shadow-glass);
    position: relative;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-image {
    flex: 0 0 400px;
    text-align: center;
}

.timeline-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-medium);
    margin: 0 auto;
}

.timeline-content {
    flex: 1;
}

.timeline-content h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-medium);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    transition: var(--transition-medium);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.portfolio-image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
    margin: 0 auto;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--overlay-accent);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
    opacity: 0;
    transition: var(--transition-fast);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay h3 {
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 10px;
}

.portfolio-overlay p {
    color: var(--white);
    opacity: 0.9;
}

/* Card Styles */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-large);
    padding: var(--card-padding);
    box-shadow: var(--shadow-glass);
    transition: var(--transition-medium);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-heavy);
}

.card-image {
    width: 100%;
    height: 200px;
    border-radius: var(--radius-medium);
    overflow: hidden;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    margin: 0 auto;
}

.card-content h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.role {
    color: var(--accent-color);
    font-weight: var(--font-weight-semibold);
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Instructors Grid */
.instructors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-large);
    padding: var(--card-padding);
    box-shadow: var(--shadow-glass);
    transition: var(--transition-medium);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.testimonial-card:hover {
    transform: translateY(-5px);
}

.testimonial-content {
    margin-bottom: 20px;
}

.testimonial-content p {
    font-style: italic;
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 0;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent-color);
}

.author-info h4 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.author-info p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
}

/* Customer Stories */
.stories-slider {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.story-item {
    display: flex;
    align-items: center;
    gap: 40px;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-large);
    padding: 40px;
    box-shadow: var(--shadow-glass);
}

.story-item:nth-child(even) {
    flex-direction: row-reverse;
}

.story-image {
    flex: 0 0 300px;
    text-align: center;
}

.story-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-medium);
    margin: 0 auto;
}

.story-content {
    flex: 1;
}

.story-content h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.story-content cite {
    display: block;
    margin-top: 20px;
    color: var(--accent-color);
    font-weight: var(--font-weight-semibold);
    font-style: normal;
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    align-items: stretch;
}

.pricing-card {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-glass);
    transition: var(--transition-medium);
    position: relative;
    display: flex;
    flex-direction: column;
    text-align: center;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.pricing-card.featured {
    border: 2px solid var(--accent-color);
    transform: scale(1.05);
}

.pricing-card.featured::before {
    content: 'Most Popular';
    position: absolute;
    top: 20px;
    right: -30px;
    background: var(--accent-color);
    color: var(--white);
    padding: 5px 40px;
    font-size: 0.9rem;
    font-weight: var(--font-weight-bold);
    transform: rotate(45deg);
}

.pricing-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 30px 20px;
    text-align: center;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.price {
    font-size: 3rem;
    font-weight: var(--font-weight-bold);
    color: var(--accent-light);
    margin-bottom: 5px;
}

.pricing-content {
    padding: 30px 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.pricing-features {
    list-style: none;
    margin-bottom: 30px;
}

.pricing-features li {
    padding: 10px 0;
    border-bottom: 1px solid var(--medium-gray);
    position: relative;
}

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

.pricing-features li::before {
    content: '✓';
    color: var(--accent-color);
    font-weight: bold;
    margin-right: 10px;
}

/* Partners Section */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    align-items: center;
}

.partner-item {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-medium);
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: var(--transition-fast);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.partner-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.partner-item img {
    max-width: 100%;
    height: 100px;
    object-fit: contain;
    margin: 0 auto 15px auto;
    filter: grayscale(100%);
    transition: var(--transition-fast);
}

.partner-item:hover img {
    filter: grayscale(0%);
}

.partner-item h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin: 0;
}

/* Resources Section */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.resource-item {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-large);
    padding: var(--card-padding);
    box-shadow: var(--shadow-glass);
    transition: var(--transition-medium);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.resource-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-heavy);
}

.resource-item h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.resource-item p {
    margin-bottom: 20px;
    color: var(--text-color);
}

.resource-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition-fast);
    border-bottom: 2px solid transparent;
}

.resource-link:hover {
    color: var(--accent-dark);
    border-bottom-color: var(--accent-color);
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact-info {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-large);
    padding: var(--card-padding);
    box-shadow: var(--shadow-glass);
}

.contact-item {
    margin-bottom: 30px;
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-item h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.contact-form {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-large);
    padding: var(--card-padding);
    box-shadow: var(--shadow-glass);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--medium-gray);
    border-radius: var(--radius-small);
    font-family: var(--font-body);
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.9);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 60px 0 20px 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    color: var(--accent-light);
    margin-bottom: 20px;
}

.footer-section p {
    opacity: 0.9;
    margin-bottom: 20px;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition-fast);
}

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

.social-links {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.social-links a {
    color: var(--white);
    text-decoration: none;
    padding: 10px 15px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-small);
    transition: var(--transition-fast);
    font-weight: var(--font-weight-semibold);
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0.7;
}

/* Read More Links */
.read-more {
    display: inline-block;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 2px;
    transition: var(--transition-fast);
}

.read-more:hover {
    color: var(--accent-dark);
    border-bottom-color: var(--accent-dark);
    transform: translateX(5px);
}

.read-more::after {
    content: ' →';
    font-weight: bold;
    transition: var(--transition-fast);
}

.read-more:hover::after {
    transform: translateX(3px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    :root {
        --section-padding: 60px 0;
        --card-padding: 25px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .timeline-item,
    .story-item {
        flex-direction: column;
        text-align: center;
    }
    
    .timeline-item:nth-child(even),
    .story-item:nth-child(even) {
        flex-direction: column;
    }
    
    .timeline-image,
    .story-image {
        flex: none;
        width: 100%;
        max-width: 400px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 40px 0;
        --container-padding: 0 15px;
    }
    
    .nav-list {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--glass-bg);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px 0;
        box-shadow: var(--shadow-medium);
    }
    
    .nav-list.active {
        display: flex;
    }
    
    .burger {
        display: flex;
    }
    
    .burger.active span:nth-child(1) {
        transform: rotate(45deg) translate(9px, 6px);
    }
    
    .burger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .burger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -6px);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .instructors-grid,
    .testimonials-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    .timeline-item,
    .story-item {
        padding: 20px;
    }
    
    .card {
        padding: 20px;
    }
    
    .pricing-header {
        padding: 20px 15px;
    }
    
    .pricing-content {
        padding: 20px 15px;
    }
    
    .partners-grid {
        grid-template-columns: 1fr;
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Performance Optimizations */
.hero-bg,
.portfolio-image img,
.card-image img {
    will-change: transform;
}

.btn,
.nav-link,
.portfolio-item,
.card,
.testimonial-card {
    will-change: transform;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for accessibility */
.btn:focus,
.nav-link:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --glass-bg: rgba(255, 255, 255, 0.9);
        --glass-border: rgba(0, 0, 0, 0.3);
    }
}