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

:root {
    /* Purple gradient colors - darker professional theme */
    --vs-primary: linear-gradient(135deg, #6b46c1 0%, #7c3aed 25%, #8b5cf6 50%, #a855f7 75%, #c084fc 100%);
    --vs-primary-solid: #6b46c1;
    --vs-primary-light: #8b5cf6;
    --vs-secondary: #f3f4f6;
    --vs-accent: #ff9500;
    --vs-text: #111827;
    --vs-text-light: #4b5563;
    --vs-border: #e5e7eb;
    --vs-white: #ffffff;
    --vs-black: #000000;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 80px 0;
    --card-padding: 32px;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--vs-border);
    z-index: 1000;
    padding: 1rem 0;
}

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

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

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

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

.nav-link:hover,
.nav-link.active {
    color: var(--vs-primary-solid);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--vs-primary);
    border-radius: 1px;
}

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

.nav-toggle .bar {
    width: 25px;
    height: 3px;
    background-color: var(--vs-text);
    margin: 3px 0;
    transition: 0.3s;
}

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

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: var(--vs-white);
    z-index: 1;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: #8a2be2;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.7); /* better shadow for readability */

}

.color-class {
    color: var(--vs-text);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: #f8fafc;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
    line-height: 1.6;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: var(--vs-primary);
    color: var(--vs-white);
    border: 2px solid transparent;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(107, 70, 193, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--vs-white);
    border: 2px solid var(--vs-white);
}

.btn-secondary:hover {
    background: var(--vs-white);
    color: var(--vs-primary-solid);
}

.btn-outline {
    background: transparent;
    color: var(--vs-primary-solid);
    border: 2px solid var(--vs-primary-solid);
}

.btn-outline:hover {
    background: var(--vs-primary-solid);
    color: var(--vs-white);
}

.btn-white {
    background: var(--vs-white);
    color: var(--vs-primary-solid);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

.btn-outline-white {
    background: transparent;
    color: var(--vs-white);
    border: 2px solid var(--vs-white);
}

.btn-outline-white:hover {
    background: var(--vs-white);
    color: var(--vs-primary-solid);
}

.btn-accent {
    background: var(--vs-accent);
    color: var(--vs-white);
    border: 2px solid var(--vs-accent);
}

.btn-accent:hover {
    background: #e6850e;
    border-color: #e6850e;
}

/* Learning Hub Section */
.learning-hub {
    padding: var(--section-padding);
    background: var(--vs-secondary);
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--vs-text);
    text-align: center;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--vs-text-light);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.hub-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    align-items: start;
}

.hub-card {
    background: var(--vs-white);
    border-radius: 16px;
    padding: var(--card-padding);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.hub-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
}

.card-icon {
    width: 64px;
    height: 64px;
    background: var(--vs-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--vs-white);
}

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

.hub-card p {
    color: var(--vs-text-light);
    margin-bottom: 2rem;
    flex-grow: 1;
}

/* Video Grid */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.video-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 12px;
    background: #f8fafc;
    border-radius: 8px;
    text-decoration: none;
    color: var(--vs-text);
    transition: all 0.3s ease;
    border: 1px solid var(--vs-border);
}

.video-item:hover {
    background: #e2e8f0;
    transform: translateX(4px);
}

.video-icon {
    width: 24px;
    height: 24px;
    background: var(--vs-primary-solid);
    color: var(--vs-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    flex-shrink: 0;
}

.video-item span {
    font-size: 0.9rem;
    font-weight: 500;
}

/* VR Scenarios */
.vr-scenarios {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.scenario-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 8px 0;
}

.scenario-dot {
    width: 8px;
    height: 8px;
    background: var(--vs-primary-solid);
    border-radius: 50%;
    flex-shrink: 0;
}

.scenario-item span {
    font-size: 0.9rem;
    color: var(--vs-text);
}

/* Resource List */
.resource-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.resource-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 8px 0;
}

.resource-dot {
    width: 8px;
    height: 8px;
    background: var(--vs-primary-solid);
    border-radius: 50%;
    flex-shrink: 0;
}

.resource-item span {
    font-size: 0.9rem;
    color: var(--vs-text);
}

/* AI Coming Soon Section */
.ai-coming-soon {
    padding: var(--section-padding);
    background: var(--vs-white);
    text-align: center;
}

.ai-content {
    max-width: 600px;
    margin: 0 auto;
}

.ai-icon {
    width: 80px;
    height: 80px;
    background: var(--vs-accent);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    color: var(--vs-white);
}

.ai-coming-soon h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--vs-text);
}

.ai-coming-soon p {
    font-size: 1.125rem;
    color: var(--vs-text);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.ai-signup-form {
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.form-group input {
    flex: 1;
    min-width: 250px;
    padding: 14px 20px;
    border: 2px solid var(--vs-border);
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.form-group input:focus {
    border-color: var(--vs-primary-solid);
}

/* Complete Learning Section */
.complete-learning {
    padding: var(--section-padding);
    background: var(--vs-secondary);
    text-align: center;
}

.complete-learning h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--vs-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.complete-learning p {
    font-size: 1.125rem;
    color: var(--vs-text-light);
    margin-bottom: 3rem;
}

.learning-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.feature {
    background: var(--vs-white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--vs-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--vs-white);
}

.feature h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature p {
    color: var(--vs-text-light);
    font-size: 1rem;
}

/* CTA Section */
.cta-section {
    padding: var(--section-padding);
    background: var(--vs-primary);
    color: var(--vs-white);
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

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

/* Testimonials Section */
.testimonials {
    padding: var(--section-padding);
    background: var(--vs-white);
}

.testimonials-header {
    text-align: center;
    margin-bottom: 3rem;
}

.testimonials-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--vs-text);
}

.testimonials-header p {
    font-size: 1.125rem;
    color: var(--vs-text-light);
}

.roshan-intro {
    background: var(--vs-secondary);
    padding: 2rem;
    border-radius: 16px;
    margin-bottom: 3rem;
    text-align: center;
}

.roshan-intro h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--vs-primary-solid);
}

.roshan-intro p {
    color: var(--vs-text);
    line-height: 1.7;
    font-size: 1.05rem;
}

.testimonials-carousel {
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--vs-primary-solid) var(--vs-border);
    margin-bottom: 3rem;
}

.testimonials-carousel::-webkit-scrollbar {
    height: 8px;
}

.testimonials-carousel::-webkit-scrollbar-track {
    background: var(--vs-border);
    border-radius: 4px;
}

.testimonials-carousel::-webkit-scrollbar-thumb {
    background: var(--vs-primary-solid);
    border-radius: 4px;
}

.testimonials-track {
    display: flex;
    gap: 1.5rem;
    padding: 1rem 0;
    min-width: max-content;
}

.testimonial-card {
    background: var(--vs-white);
    border: 1px solid var(--vs-border);
    border-radius: 16px;
    padding: 2rem;
    min-width: 350px;
    max-width: 400px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--vs-text);
    line-height: 1.7;
    font-size: 1rem;
}

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

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--vs-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--vs-white);
    font-weight: 600;
    font-size: 1.25rem;
}

.author-info h4 {
    font-weight: 600;
    color: var(--vs-text);
}

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

/* Company Showcase */
.company-showcase {
    text-align: center;
}

.showcase-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--vs-text-light);
    margin-bottom: 2rem;
}

.company-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.company-item {
    padding: 12px 24px;
    background: var(--vs-secondary);
    border-radius: 8px;
    font-weight: 600;
    color: var(--vs-text);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.company-item:hover {
    background: var(--vs-primary-solid);
    color: var(--vs-white);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: var(--vs-text);
    color: var(--vs-white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: 1rem;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
}

.footer-column h4 {
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--vs-white);
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: var(--vs-white);
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--vs-white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

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

    .nav-toggle {
        display: flex;
    }

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

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

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

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

    .form-group input {
        min-width: 100%;
    }

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

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .testimonial-card {
        min-width: 300px;
    }

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

    .company-logos {
        gap: 1rem;
    }

    .company-item {
        padding: 8px 16px;
        font-size: 0.8rem;
    }
}

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

    .hero-title {
        font-size: 2rem;
    }

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

    .complete-learning h2,
    .cta-section h2,
    .testimonials-header h2,
    .ai-coming-soon h2 {
        font-size: 2rem;
    }

    .hub-card,
    .feature {
        padding: 1.5rem;
    }

    .testimonial-card {
        min-width: 280px;
        padding: 1.5rem;
    }
}

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

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

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* About Page Styles */
.about-hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--vs-primary-solid) 0%, var(--vs-primary-light) 100%);
    color: var(--vs-white);
    text-align: center;
}

.about-hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.about-hero .hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

.meet-roshan {
    padding: var(--section-padding);
    background: var(--vs-white);
}

.roshan-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.section-badge {
    display: inline-block;
    background: var(--vs-secondary);
    color: var(--vs-primary-solid);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.roshan-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: var(--vs-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.roshan-title {
    font-size: 1.25rem;
    color: var(--vs-text-light);
    margin-bottom: 2rem;
}

.roshan-badges {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.badge {
    background: var(--vs-primary-solid);
    color: var(--vs-white);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.roshan-description p {
    margin-bottom: 1.5rem;
    line-height: 1.7;
    color: var(--vs-text);
}

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

.stat-item {
    text-align: center;
    background: var(--vs-secondary);
    padding: 2rem;
    border-radius: 16px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--vs-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--vs-text-light);
    font-weight: 500;
}

.vr-innovation {
    padding: var(--section-padding);
    background: var(--vs-secondary);
}

.vr-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.vr-description h3 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--vs-text);
}

.vr-description p {
    margin-bottom: 1.5rem;
    line-height: 1.7;
    color: var(--vs-text);
}

.vr-benefits {
    margin-top: 2rem;
}

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

.benefit-icon {
    width: 32px;
    height: 32px;
    background: var(--vs-primary-solid);
    color: var(--vs-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.benefit-item span {
    color: var(--vs-text);
    font-weight: 500;
}

.vr-scenarios-showcase h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--vs-text);
}

.scenarios-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.scenario-card {
    background: var(--vs-white);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.scenario-card:hover {
    transform: translateY(-2px);
}

.scenario-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.scenario-card h5 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--vs-text);
}

.scenario-card p {
    color: var(--vs-text-light);
    font-size: 0.9rem;
}

.media-section {
    padding: var(--section-padding);
    background: var(--vs-white);
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.media-item {
    background: var(--vs-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.media-item:hover {
    transform: translateY(-4px);
}

.media-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.media-caption {
    padding: 1.5rem;
}

.media-caption h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--vs-text);
}

.media-caption p {
    color: var(--vs-text-light);
    font-size: 0.9rem;
}

.contact-section {
    padding: var(--section-padding);
    background: var(--vs-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--vs-text);
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--vs-primary-solid);
    color: var(--vs-white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--vs-text);
}

.contact-item p {
    color: var(--vs-text-light);
}

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

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

.contact-form input,
.contact-form textarea {
    padding: 14px 20px;
    border: 2px solid var(--vs-border);
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s ease;
    font-family: var(--font-family);
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--vs-primary-solid);
}

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

/* Scroll to top button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--vs-primary-solid);
    color: var(--vs-white);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    cursor: pointer;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(107, 70, 193, 0.3);
}

/* Responsive styles for about page */
@media (max-width: 768px) {
    .about-hero h1 {
        font-size: 2.5rem;
    }
    
    .roshan-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .roshan-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .stat-item {
        padding: 1.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .vr-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .scenarios-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .media-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .roshan-stats {
        grid-template-columns: 1fr;
    }
    
    .roshan-badges {
        justify-content: center;
    }
    
    .scenarios-grid {
        gap: 1rem;
    }
    
    .scenario-card {
        padding: 1rem;
    }
}

/* Resources Page Styles */
.resources-hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--vs-primary-solid) 0%, var(--vs-primary-light) 100%);
    color: var(--vs-white);
    text-align: center;
}

.resources-hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.resources-grid-section {
    padding: var(--section-padding);
    background: var(--vs-white);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.resource-card {
    background: var(--vs-white);
    border: 1px solid var(--vs-border);
    border-radius: 16px;
    padding: var(--card-padding);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.resource-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
}

.resource-card .resource-icon {
    width: 64px;
    height: 64px;
    background: var(--vs-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--vs-white);
}

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

.resource-card p {
    color: var(--vs-text-light);
    margin-bottom: 1.5rem;
    flex-grow: 1;
    line-height: 1.6;
}

.resource-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.feature-tag {
    background: var(--vs-secondary);
    color: var(--vs-primary-solid);
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 0.8rem;
    font-weight: 500;
}

.newsletter-section {
    padding: var(--section-padding);
    background: var(--vs-secondary);
    text-align: center;
}

.newsletter-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--vs-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.newsletter-content p {
    font-size: 1.125rem;
    color: var(--vs-text-light);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.newsletter-form {
    max-width: 500px;
    margin: 0 auto;
}

/* Blog Page Styles */
.blog-hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--vs-primary-solid) 0%, var(--vs-primary-light) 100%);
    color: var(--vs-white);
    text-align: center;
}

.blog-hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.featured-article {
    padding: var(--section-padding);
    background: var(--vs-white);
}

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

.article-badge {
    display: inline-block;
    background: var(--vs-accent);
    color: var(--vs-white);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.featured-article h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--vs-text);
    line-height: 1.3;
}

.article-excerpt {
    font-size: 1.125rem;
    color: var(--vs-text-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.article-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.article-date,
.article-read-time,
.article-category {
    color: var(--vs-text-light);
    font-size: 0.9rem;
    font-weight: 500;
}

.article-category {
    background: var(--vs-secondary);
    color: var(--vs-primary-solid);
    padding: 4px 12px;
    border-radius: 16px;
}

.featured-image {
    display: flex;
    justify-content: center;
}

.article-image {
    width: 100%;
    max-width: 500px;
    height: 300px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
}

.blog-articles {
    padding: var(--section-padding);
    background: var(--vs-secondary);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.article-card {
    background: var(--vs-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
}

.article-image-container {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.article-image-container .article-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-placeholder {
    width: 100%;
    height: 100%;
    background: var(--vs-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--vs-primary-solid);
}

.article-category-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--vs-primary-solid);
    color: var(--vs-white);
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 0.8rem;
    font-weight: 600;
}

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

.article-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--vs-text);
    line-height: 1.4;
}

.article-content .article-excerpt {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.article-content .article-meta {
    margin-bottom: 1rem;
}

.article-link {
    color: var(--vs-primary-solid);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.article-link:hover {
    color: var(--vs-primary-light);
}

.load-more-section {
    text-align: center;
    margin-top: 3rem;
}

/* Responsive styles for resources and blog pages */
@media (max-width: 768px) {
    .resources-hero h1,
    .blog-hero h1 {
        font-size: 2.5rem;
    }
    
    .resources-grid {
        grid-template-columns: 1fr;
    }
    
    .featured-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .featured-article h2 {
        font-size: 2rem;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-content h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .resource-card,
    .article-card {
        margin: 0 -10px;
    }
    
    .resource-card {
        padding: 1.5rem;
    }
    
    .article-content {
        padding: 1.5rem;
    }
    
    .article-image-container {
        height: 150px;
    }
}

/* Case Studies Page Styles */
.case-studies-hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--vs-primary-solid) 0%, var(--vs-primary-light) 100%);
    color: var(--vs-white);
    text-align: center;
}

.case-studies-hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.case-studies-grid-section {
    padding: var(--section-padding);
    background: var(--vs-white);
}

.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.case-study-card {
    background: var(--vs-white);
    border: 1px solid var(--vs-border);
    border-radius: 16px;
    padding: var(--card-padding);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.case-study-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
}

.case-study-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.incident-severity {
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.incident-severity.high {
    background: #fef2f2;
    color: #dc2626;
}

.incident-severity.medium {
    background: #fffbeb;
    color: #d97706;
}

.incident-severity.low {
    background: #f0fdf4;
    color: #16a34a;
}

.incident-type {
    background: var(--vs-secondary);
    color: var(--vs-primary-solid);
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 0.8rem;
    font-weight: 600;
}

.case-study-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--vs-text);
    line-height: 1.3;
}

.case-study-excerpt {
    color: var(--vs-text-light);
    margin-bottom: 1.5rem;
    flex-grow: 1;
    line-height: 1.6;
}

.case-study-details {
    margin-bottom: 2rem;
}

.detail-item {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--vs-text-light);
}

.detail-item strong {
    color: var(--vs-text);
}

.case-study-categories {
    padding: var(--section-padding);
    background: var(--vs-secondary);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.category-card {
    background: var(--vs-white);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.category-card:hover {
    transform: translateY(-4px);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.category-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--vs-text);
}

.category-card p {
    color: var(--vs-text-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.case-count {
    background: var(--vs-primary-solid);
    color: var(--vs-white);
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Responsive styles for case studies page */
@media (max-width: 768px) {
    .case-studies-hero h1 {
        font-size: 2.5rem;
    }
    
    .case-studies-grid {
        grid-template-columns: 1fr;
    }
    
    .categories-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .case-study-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .case-study-card {
        padding: 1.5rem;
    }
    
    .category-card {
        padding: 1.5rem;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
}