:root {
    --bg-color: #f9fafb;
    --text-main: #111827;
    --text-muted: #4b5563;
    --accent-primary: #2563eb;
    --accent-secondary: #0ea5e9;
    --card-bg: #ffffff;
    --card-border: #e5e7eb;
    --font-family: 'Outfit', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-family);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Typography & Utilities */
.text-gradient {
    background: linear-gradient(135deg, #2563eb 0%, #4f46e5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--card-border);
    z-index: 100;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
}

.logo-highlight {
    color: var(--accent-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
    border: 1px solid transparent;
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: #1d4ed8;
    box-shadow: 0 6px 15px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--card-border);
}

.btn-secondary:hover {
    background: #f3f4f6;
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 0.4rem 1.2rem;
    font-size: 0.9rem;
}

/* Hero Section */
.hero {
    padding: 12rem 2rem 8rem;
    min-height: calc(100vh - 100px);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-content {
    max-width: 800px;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    border: 1px solid #bfdbfe;
    color: var(--accent-primary);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 2rem;
    background: #eff6ff;
}

.hero-title {
    font-size: 4.5rem;
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
    color: var(--text-main);
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Courses Section */
.courses {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-heading {
    text-align: center;
    margin-bottom: 4rem;
}

.section-heading h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

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

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

/* Modern Professional Cards */
.course-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    background-color: var(--card-bg);
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

.card-image {
    width: 100%;
    height: 220px;
    position: relative;
    overflow: hidden;
    background: #f3f4f6;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.course-card:hover .card-image img {
    transform: scale(1.05);
}

.tag {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    padding: 0.3rem 0.8rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 700;
    border: 1px solid var(--card-border);
    color: var(--accent-primary);
}

.card-content {
    padding: 2rem;
}

.course-title {
    font-size: 1.25rem;
    margin-bottom: 0.8rem;
    font-weight: 700;
    color: var(--text-main);
}

.course-desc {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

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

.price {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-main);
}

/* Footer */
.footer {
    border-top: 1px solid var(--card-border);
    padding: 4rem 2rem 2rem;
    background: #ffffff;
    margin-top: 5rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
    font-weight: 800;
}

.footer-brand p {
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
}

.footer-links a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid var(--card-border);
    padding-top: 2rem;
}

/* Animations */
.slide-up {
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }

    .nav-links {
        display: none;
    }
}
/* Marketing Sections */

.social-proof {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--card-border);
}

.stars {
    color: #f59e0b;
    font-size: 1.2rem;
    letter-spacing: 2px;
}

.social-proof-text {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Features Section */
.features-container {
    padding: 6rem 2rem;
    background: #ffffff;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    text-align: center;
    padding: 2rem;
}

.feature-icon-wrapper {
    width: 80px;
    height: 80px;
    background: #eff6ff;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--accent-primary);
}

.feature-icon-wrapper svg {
    width: 40px;
    height: 40px;
    fill: currentColor;
}

.feature-title {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-main);
    font-weight: 700;
}

.feature-desc {
    color: var(--text-muted);
    line-height: 1.6;
}

/* Testimonials */
.testimonials {
    padding: 6rem 2rem;
    background: #f9fafb;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonial-card {
    background: #ffffff;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.05);
    border: 1px solid var(--card-border);
}

.quote-icon {
    color: #bfdbfe;
    width: 40px;
    height: 40px;
    margin-bottom: 1rem;
    fill: currentColor;
}

.testimonial-text {
    font-size: 1.1rem;
    color: var(--text-muted);
    font-style: italic;
    margin-bottom: 2rem;
    line-height: 1.7;
}

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

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--accent-primary);
    font-size: 1.2rem;
}

.author-info h4 {
    color: var(--text-main);
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.author-info p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Bottom CTA */
.cta-banner {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, var(--accent-primary) 0%, #4f46e5 100%);
    text-align: center;
    color: #ffffff;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

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

.cta-desc {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 3rem;
}

.btn-white {
    background: #ffffff;
    color: var(--accent-primary);
    border: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.btn-white:hover {
    background: #f8fafc;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

/* Enterprise Section */
.enterprise-section {
    padding: 6rem 2rem;
    background: #ffffff;
    border-top: 1px solid var(--card-border);
}

.enterprise-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 4rem;
}

.enterprise-content {
    flex: 1;
}

.enterprise-image {
    flex: 1;
    background: #f8fafc;
    border-radius: 20px;
    padding: 4rem;
    text-align: center;
    border: 1px dashed #cbd5e1;
}

.enterprise-image svg {
    width: 100%;
    max-width: 250px;
    height: auto;
}

.enterprise-badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: #eff6ff;
    color: var(--accent-primary);
    font-weight: 700;
    font-size: 0.85rem;
    border-radius: 50px;
    margin-bottom: 1.5rem;
    letter-spacing: 0.5px;
}

.enterprise-title {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--text-main);
    line-height: 1.1;
}

.enterprise-list {
    list-style: none;
    margin-bottom: 2.5rem;
}

.enterprise-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.2rem;
    color: var(--text-muted);
    font-size: 1.1rem;
}

.enterprise-list li svg {
    width: 24px;
    height: 24px;
    fill: #22c55e;
    flex-shrink: 0;
    margin-top: 2px;
}
@media (max-width: 992px) {
    .enterprise-container { flex-direction: column; }
}

/* Course Extended Details */
.course-rich-content {
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid var(--card-border);
}

.course-rich-content h2, .course-rich-content h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.learning-outcomes {
    background: #f8fafc;
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 3rem;
}

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

.outcomes-grid li {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    color: var(--text-muted);
}

.outcomes-grid li svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    fill: #10b981;
    margin-top: 2px;
}

.course-requirements {
    list-style-type: disc;
    padding-left: 1.5rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
}

.course-requirements li {
    margin-bottom: 0.8rem;
}

/* Course Ratings & Reviews */
.ratings-summary {
    display: flex;
    align-items: center;
    gap: 3rem;
    margin-bottom: 3rem;
    background: #ffffff;
    padding: 2rem;
    border: 1px solid var(--card-border);
    border-radius: 16px;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
}

.average-rating {
    text-align: center;
}

.average-rating h4 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
    color: var(--text-main);
}

.rating-stars {
    color: #f59e0b;
    font-size: 1.5rem;
    letter-spacing: 2px;
    margin: 0.5rem 0;
}

.average-rating span {
    color: var(--text-muted);
    font-weight: 600;
}

.rating-bars {
    flex: 1;
}

.bar-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.8rem;
}

.bar-row span {
    font-weight: 600;
    color: var(--text-muted);
    min-width: 40px;
}

.bar-bg {
    flex: 1;
    height: 8px;
    background: #e5e7eb;
    border-radius: 4px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background: var(--text-main);
    border-radius: 4px;
}

.review-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.course-review-card {
    background: #ffffff;
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1.5rem;
}

.review-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.review-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: #eff6ff;
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

@media (max-width: 768px) {
    .outcomes-grid { grid-template-columns: 1fr; }
    .ratings-summary { flex-direction: column; gap: 1.5rem; }
}