/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Inter:wght@300;400;500;600;700&family=Raleway:wght@400;500;600;700&family=Fira+Code:wght@300;400;500&display=swap');

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

:root {
    /* Vibrant Color Palette */
    --primary-blue: #2F80ED;
    --space-coral: #FF6B6B;
    --orbit-gold: #FFC93C;
    --quantum-green: #00B894;
    --deep-space: #121212;
    --nebula-white: #F7F9FC;

    /* Gradients */
    --hero-gradient: linear-gradient(135deg, #2F80ED 0%, #00B894 100%);
    --button-gradient: linear-gradient(135deg, #FF6B6B 0%, #FFC93C 100%);
    --card-gradient: linear-gradient(135deg, #F7F9FC 0%, #ffffff 100%);

    /* Typography */
    --font-heading: 'Orbitron', monospace;
    --font-body: 'Inter', sans-serif;
    --font-accent: 'Raleway', sans-serif;
    --font-code: 'Fira Code', monospace;

    /* Shadows and Effects */
    --shadow-card: 0 8px 32px rgba(47, 128, 237, 0.1);
    --shadow-hover: 0 12px 48px rgba(47, 128, 237, 0.2);
    --shadow-button: 0 4px 16px rgba(255, 107, 107, 0.3);
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--deep-space);
    overflow-x: hidden;
    background: var(--nebula-white);
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 4px 32px rgba(0, 0, 0, 0.1);
    border-bottom: 2px solid rgba(47, 128, 237, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    font-family: var(--font-heading);
    color: var(--primary-blue);
    font-size: 1.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.2rem;
    background: var(--hero-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-logo span {
    color: var(--orbit-gold);
    font-family: var(--font-accent);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-menu a {
    text-decoration: none;
    color: #000000 !important;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
    text-shadow: none;
    background: none;
}

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

.nav-menu a:hover {
    color: var(--orbit-gold);
    transform: translateY(-2px);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    background: var(--hero-gradient);
    color: white;
    padding: 180px 0 120px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 107, 107, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 201, 60, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(0, 184, 148, 0.1) 0%, transparent 50%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: 4rem;
    margin-bottom: 1.5rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 3px;
    line-height: 1.1;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-family: var(--font-body);
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0.95;
    font-weight: 400;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.kpi-card {
    text-align: center;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    padding: 2rem 1.5rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    transition: all 0.4s ease;
    position: relative;
    cursor: pointer;
    overflow: hidden;
}

.kpi-card:hover {
    transform: translateY(-8px) scale(1.02);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--button-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.kpi-icon {
    margin-bottom: 1rem;
    color: var(--orbit-gold);
    font-size: 2.5rem;
    transition: all 0.3s ease;
}

.kpi-card:hover .kpi-icon {
    color: var(--space-coral);
    transform: scale(1.1);
}

.kpi-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--orbit-gold);
    transition: color 0.3s ease;
}

.kpi-card:hover .kpi-number {
    color: white;
}

.kpi-label {
    font-family: var(--font-accent);
    font-size: 0.9rem;
    opacity: 0.95;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    line-height: 1.3;
    transition: opacity 0.3s ease;
}

.kpi-card:hover .kpi-label {
    opacity: 1;
}

/* Tooltip styling */
.kpi-card::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: -45px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(18, 18, 18, 0.95);
    color: white;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.8rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 10;
    font-family: var(--font-body);
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    pointer-events: none;
}

.kpi-card:hover::after {
    opacity: 1;
    visibility: visible;
    bottom: -40px;
}

.cta-button {
    display: inline-block;
    background: var(--button-gradient);
    color: white;
    padding: 18px 40px;
    text-decoration: none;
    border-radius: 50px;
    font-family: var(--font-accent);
    font-weight: 700;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-button);
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(255, 107, 107, 0.4);
}

/* Courses Section */
.courses-section {
    padding: 120px 0;
    background: var(--nebula-white);
    position: relative;
}

.section-title {
    text-align: center;
    font-family: var(--font-heading);
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--deep-space);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 700;
}

.section-title::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background: var(--hero-gradient);
    margin: 1.5rem auto 4rem;
    border-radius: 2px;
}

.course-categories {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.category-btn {
    background: white;
    border: 2px solid var(--primary-blue);
    padding: 12px 24px;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-accent);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary-blue);
    box-shadow: 0 4px 16px rgba(47, 128, 237, 0.1);
}

.category-btn.active,
.category-btn:hover {
    background: var(--hero-gradient);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(47, 128, 237, 0.3);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.course-card {
    background: var(--card-gradient);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all 0.4s ease;
    position: relative;
    border: 1px solid rgba(47, 128, 237, 0.1);
}

.course-image {
    background: var(--hero-gradient);
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
    position: relative;
    overflow: hidden;
}

.course-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.course-image i {
    position: relative;
    z-index: 2;
}

.course-content {
    padding: 2rem;
}

.course-badge {
    display: inline-block;
    background: var(--quantum-green);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-family: var(--font-accent);
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.course-badge.new {
    background: var(--space-coral);
}

.course-badge.featured {
    background: var(--orbit-gold);
    color: var(--deep-space);
}

.course-content h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--deep-space);
    font-weight: 700;
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.course-content p {
    color: #4A5568;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-weight: 400;
}

.course-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    color: #6B7280;
    font-family: var(--font-accent);
}

.course-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.course-meta i {
    color: var(--primary-blue);
}

.course-price {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.enroll-btn {
    width: 100%;
    background: var(--button-gradient);
    color: white;
    border: none;
    padding: 15px;
    border-radius: 12px;
    font-family: var(--font-accent);
    font-weight: 700;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(255, 107, 107, 0.2);
}

.enroll-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(255, 107, 107, 0.4);
}

/* About Section */
.about-section {
    padding: 120px 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-text h2 {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    margin-bottom: 2rem;
    color: var(--deep-space);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 700;
}

.about-text p {
    font-size: 1.2rem;
    color: #4A5568;
    margin-bottom: 3rem;
    line-height: 1.7;
    font-weight: 400;
}

.features {
    display: grid;
    gap: 2rem;
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--nebula-white);
    border-radius: 16px;
    border-left: 4px solid var(--primary-blue);
    transition: transform 0.3s ease;
}

.feature:hover {
    transform: translateX(10px);
}

.feature i {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-top: 0.2rem;
    min-width: 40px;
}

.feature h4 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--deep-space);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.feature p {
    color: #6B7280;
    margin: 0;
    line-height: 1.5;
}

.about-image {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--hero-gradient);
    border-radius: 24px;
    height: 400px;
    color: white;
    font-size: 6rem;
    position: relative;
    overflow: hidden;
}

.about-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 201, 60, 0.1) 0%, transparent 50%);
}

.about-image i {
    position: relative;
    z-index: 2;
}

/* Contact Section */
.contact-section {
    padding: 120px 0;
    background: var(--nebula-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem;
    background: white;
    border-radius: 20px;
    box-shadow: var(--shadow-card);
    border-left: 4px solid var(--quantum-green);
    transition: transform 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
}

.contact-item i {
    font-size: 2rem;
    color: var(--quantum-green);
    margin-top: 0.2rem;
    min-width: 40px;
}

.contact-item h4 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--deep-space);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-item p {
    color: #6B7280;
    margin: 0;
    font-weight: 500;
}

.contact-form {
    background: white;
    padding: 3rem;
    border-radius: 24px;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(47, 128, 237, 0.1);
}

.form-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #E2E8F0;
    border-radius: 12px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #FAFAFA;
}

.contact-form select {
    width: 100%;
    padding: 15px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    background: white;
    transition: border-color 0.3s ease;
    font-family: var(--font-body);
    color: var(--deep-space);
}

.contact-form select:focus {
    border-color: var(--primary-blue);
    outline: none;
    box-shadow: 0 0 0 3px rgba(47, 128, 237, 0.1);
}

.contact-form select option {
    padding: 10px;
    color: var(--deep-space);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    background: white;
    box-shadow: 0 0 0 3px rgba(47, 128, 237, 0.1);
}

.contact-form textarea {
    grid-column: 1 / -1;
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    width: 100%;
    background: var(--hero-gradient);
    color: white;
    border: none;
    padding: 18px;
    border-radius: 12px;
    font-family: var(--font-accent);
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(47, 128, 237, 0.3);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(47, 128, 237, 0.4);
}

/* Footer */
.footer {
    background: var(--deep-space);
    color: white;
    padding: 80px 0 30px;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--hero-gradient);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 30px;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.footer-section {
    flex: 1;
    min-width: 200px;
}

.footer-section h3,
.footer-section h4 {
    font-family: var(--font-heading);
    margin-bottom: 1.5rem;
    color: var(--orbit-gold);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
}

.footer-section p,
.footer-section li {
    color: #CBD5E0;
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

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

.footer-section a {
    color: #CBD5E0;
    text-decoration: none;
    transition: all 0.3s ease;
    font-family: var(--font-accent);
    font-weight: 500;
}

.footer-section a:hover {
    color: var(--quantum-green);
    transform: translateX(5px);
}

.social-links {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(47, 128, 237, 0.1);
    border: 2px solid var(--primary-blue);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-blue);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(47, 128, 237, 0.4);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #2D3748;
    color: #9CA3AF;
    font-family: var(--font-accent);
    font-weight: 500;
}

/* Course Detail Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(18, 18, 18, 0.8);
    backdrop-filter: blur(10px);
}

.modal-content {
    background: white;
    margin: 2% auto;
    padding: 0;
    border-radius: 24px;
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 80px rgba(0, 0, 0, 0.4);
    animation: modalSlideIn 0.4s ease-out;
    border: 1px solid rgba(47, 128, 237, 0.2);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-100px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.close {
    position: absolute;
    right: 25px;
    top: 25px;
    color: #6B7280;
    font-size: 32px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10001;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
}

.close:hover {
    color: var(--space-coral);
    background: rgba(255, 107, 107, 0.1);
    transform: rotate(90deg);
}

.modal-body {
    padding: 40px;
}

.course-header {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 25px;
    align-items: start;
    margin-bottom: 35px;
    padding-bottom: 25px;
    border-bottom: 3px solid var(--nebula-white);
}

.course-icon {
    width: 90px;
    height: 90px;
    background: var(--hero-gradient);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.5rem;
    box-shadow: 0 8px 32px rgba(47, 128, 237, 0.3);
}

.course-title-section h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--deep-space);
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    line-height: 1.2;
}

.course-badges {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.category-badge,
.level-badge {
    padding: 8px 16px;
    border-radius: 20px;
    font-family: var(--font-accent);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.category-badge {
    background: rgba(47, 128, 237, 0.1);
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.level-badge {
    background: rgba(0, 184, 148, 0.1);
    color: var(--quantum-green);
    border: 2px solid var(--quantum-green);
}

.modal-price {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.course-details {
    margin-bottom: 35px;
}

.course-overview {
    margin-bottom: 30px;
}

.course-overview h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--deep-space);
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 15px;
}

.course-overview h3:before {
    content: '';
    width: 5px;
    height: 25px;
    background: var(--hero-gradient);
    border-radius: 3px;
}

.course-overview p {
    color: #4A5568;
    line-height: 1.8;
    font-size: 1.1rem;
    font-weight: 400;
}

.course-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
    padding: 25px;
    background: var(--nebula-white);
    border-radius: 16px;
    border: 2px solid rgba(47, 128, 237, 0.1);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #4A5568;
    font-family: var(--font-accent);
    font-weight: 500;
}

.info-item i {
    color: var(--primary-blue);
    width: 20px;
    font-size: 1.2rem;
}

.course-curriculum h3,
.course-prerequisites h3,
.course-provider h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--deep-space);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 15px;
}

.course-curriculum h3:before,
.course-prerequisites h3:before,
.course-provider h3:before {
    content: '';
    width: 5px;
    height: 25px;
    background: var(--hero-gradient);
    border-radius: 3px;
}

.course-curriculum {
    margin-bottom: 30px;
}

.course-curriculum ul {
    list-style: none;
    padding: 0;
}

.course-curriculum li {
    padding: 12px 0;
    color: #4A5568;
    position: relative;
    padding-left: 35px;
    line-height: 1.6;
    font-weight: 400;
}

.course-curriculum li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--quantum-green);
    font-weight: bold;
    font-size: 1.2rem;
}

.course-prerequisites p,
.course-provider p {
    color: #4A5568;
    line-height: 1.7;
    margin-bottom: 10px;
    font-weight: 400;
}

.course-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-blue);
    text-decoration: none;
    font-family: var(--font-accent);
    font-weight: 600;
    margin-top: 15px;
    padding: 12px 20px;
    border: 2px solid var(--primary-blue);
    border-radius: 12px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.course-link:hover {
    background: var(--primary-blue);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(47, 128, 237, 0.3);
}

.modal-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 35px;
    padding-top: 25px;
    border-top: 3px solid var(--nebula-white);
}

.enroll-modal-btn,
.contact-btn {
    padding: 18px 35px;
    border: none;
    border-radius: 12px;
    font-family: var(--font-accent);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.enroll-modal-btn {
    background: var(--button-gradient);
    color: white;
    flex: 1;
    justify-content: center;
    box-shadow: var(--shadow-button);
}

.enroll-modal-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(255, 107, 107, 0.4);
}

.contact-btn {
    background: white;
    color: var(--quantum-green);
    border: 2px solid var(--quantum-green);
}

.contact-btn:hover {
    background: var(--quantum-green);
    color: white;
    transform: translateY(-2px);
}

/* Search Input Styling */
.course-search {
    background: white !important;
    border: 2px solid var(--primary-blue) !important;
    box-shadow: 0 4px 16px rgba(47, 128, 237, 0.1) !important;
    font-family: var(--font-body) !important;
    font-weight: 500 !important;
}

.course-search:focus {
    border-color: var(--quantum-green) !important;
    box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.1) !important;
}

/* Responsive Design */
@media (max-width: 968px) {
    :root {
        font-size: 14px;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        padding: 1rem 0;
        backdrop-filter: blur(20px);
        border-top: 2px solid rgba(47, 128, 237, 0.2);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        z-index: 999;
    }

    .nav-menu.show {
        display: flex;
        animation: slideDown 0.3s ease-out;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .nav-menu li {
        margin: 0;
        text-align: center;
        padding: 0.75rem 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .nav-menu a {
        color: #000000 !important;
        font-size: 1.1rem;
        padding: 0.5rem 1rem;
        display: block;
        transition: all 0.3s ease;
    }

    .nav-menu a:hover {
        background: rgba(47, 128, 237, 0.1);
        color: var(--primary-blue) !important;
    }

    .nav-toggle {
        display: flex;
        flex-direction: column;
        cursor: pointer;
        z-index: 1000;
    }

    .nav-toggle span {
        background: #000000;
        width: 28px;
        height: 3px;
        border-radius: 2px;
        transition: all 0.3s ease;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .hero-content h1 {
        font-size: 2.8rem;
    }

    .kpi-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 1.5rem;
    }

    .kpi-card {
        padding: 1.5rem 1rem;
    }

    .kpi-number {
        font-size: 1.8rem;
    }

    .kpi-label {
        font-size: 0.8rem;
    }

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

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

    .course-categories {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 1rem;
    }

    .course-header {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 20px;
    }

    .course-icon {
        margin: 0 auto;
    }

    .modal-actions {
        flex-direction: column;
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 140px 0 80px;
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .section-title {
        font-size: 2.2rem;
    }

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

    .course-card {
        margin: 0 10px;
    }

    .modal-content {
        width: 95%;
        margin: 5% auto;
    }

    .modal-body {
        padding: 25px;
    }
}

/* Animation Classes */
.course-card {
    animation: fadeIn 0.6s ease-in-out;
}

.course-card.hidden {
    display: none;
}

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

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading animation */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* Hover effects for better UX */
.course-card,
.cta-button,
.enroll-btn,
.submit-btn {
    cursor: pointer;
    user-select: none;
}

/* Focus states for accessibility */
input:focus,
select:focus,
textarea:focus,
button:focus {
    outline: 3px solid var(--orbit-gold);
    outline-offset: 2px;
}

/* Notification styles */
.notification {
    font-family: var(--font-accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.course-card.highlighted {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(47, 128, 237, 0.3);
    border: 2px solid var(--primary-blue);
    animation: highlightPulse 2s ease-in-out;
}

@keyframes highlightPulse {
    0%, 100% { 
        border-color: var(--primary-blue);
        box-shadow: 0 12px 35px rgba(47, 128, 237, 0.3);
    }
    50% { 
        border-color: var(--orbit-gold);
        box-shadow: 0 15px 40px rgba(255, 201, 60, 0.4);
    }
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }

    .footer-section {
        min-width: auto;
    }
}