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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #2D3748;
    background-color: #FFFFFF;
    overflow-x: hidden;
}

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

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(79, 209, 197, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo h2 {
    color: #1A202C;
    font-weight: 700;
    font-size: 1.5rem;
}

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

.nav-menu a {
    text-decoration: none;
    color: #2D3748;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #4FD1C5;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #4FD1C5;
    transition: width 0.3s ease;
}

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

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #2D3748;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #F7FAFC 0%, #EDF2F7 100%);
    padding-top: 70px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: #1A202C;
}

.hero-title .highlight {
    color: #4FD1C5;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #4A5568;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

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

.btn {
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
    border: 2px solid transparent;
}

.btn-primary {
    background: #4FD1C5;
    color: white;
    border-color: #4FD1C5;
}

.btn-primary:hover {
    background: #38B2AC;
    border-color: #38B2AC;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(79, 209, 197, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #4FD1C5;
    border-color: #4FD1C5;
}

.btn-secondary:hover {
    background: #4FD1C5;
    color: white;
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 500px;
}

.hero-graphic {
    position: relative;
    width: 100%;
    height: 100%;
}

.floating-card {
    position: absolute;
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    animation: float 6s ease-in-out infinite;
}

.floating-card .card-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.floating-card .card-text {
    font-weight: 600;
    color: #2D3748;
}

.card-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: 10%;
    animation-delay: 2s;
}

.card-3 {
    bottom: 20%;
    left: 30%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1A202C;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: #4A5568;
    max-width: 600px;
    margin: 0 auto;
}

/* Approach Section */
.approach {
    padding: 6rem 0;
    background: white;
}

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

.approach-card {
    background: #F7FAFC;
    padding: 2.5rem;
    border-radius: 16px;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.approach-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.approach-number {
    position: absolute;
    top: -15px;
    left: 2.5rem;
    background: #4FD1C5;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.approach-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.approach-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1A202C;
    margin-bottom: 1rem;
}

.approach-card p {
    color: #4A5568;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.approach-features {
    list-style: none;
}

.approach-features li {
    color: #4A5568;
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.approach-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4FD1C5;
    font-weight: bold;
}

/* Services Section */
.services {
    padding: 6rem 0;
    background: #F7FAFC;
}

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

.service-card {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1A202C;
    margin-bottom: 1rem;
}

.service-card p {
    color: #4A5568;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-link {
    color: #4FD1C5;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.service-link:hover {
    color: #38B2AC;
}

/* CSR Section */
.csr {
    padding: 6rem 0;
    background: linear-gradient(135deg, #1A202C 0%, #2D3748 100%);
    color: white;
}

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

.csr-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.csr-text p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.csr-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #4FD1C5;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

.csr-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-light {
    background: white;
    color: #1A202C;
    border-color: white;
}

.btn-light:hover {
    background: #F7FAFC;
    transform: translateY(-2px);
}

.btn-outline-light {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-outline-light:hover {
    background: white;
    color: #1A202C;
    transform: translateY(-2px);
}

.csr-projects {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.project-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.project-category {
    color: #4FD1C5;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.project-title {
    font-weight: 600;
}

/* Who We Serve Section */
.who-we-serve {
    padding: 6rem 0;
    background: white;
}

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

.serve-card {
    background: #F7FAFC;
    padding: 3rem;
    border-radius: 16px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.serve-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.serve-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.serve-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1A202C;
    margin-bottom: 1rem;
}

.serve-card p {
    color: #4A5568;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.serve-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.feature-tag {
    background: #4FD1C5;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* CTA Section */
.cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, #4FD1C5 0%, #38B2AC 100%);
    text-align: center;
}

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

.cta-content p {
    font-size: 1.1rem;
    color: white;
    opacity: 0.9;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta .btn-primary {
    background: white;
    color: #4FD1C5;
    border-color: white;
}

.cta .btn-primary:hover {
    background: #F7FAFC;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* Footer */
.footer {
    background: #1A202C;
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #4FD1C5;
}

.footer-brand p {
    opacity: 0.8;
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    font-weight: 600;
    margin-bottom: 1rem;
    color: #4FD1C5;
}

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

.footer-column ul li {
    margin-bottom: 0.5rem;
}

.footer-column ul li a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-column ul li a:hover {
    opacity: 1;
    color: #4FD1C5;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    opacity: 0.6;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .approach-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .serve-grid {
        grid-template-columns: 1fr;
    }
    
    .csr-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .csr-stats {
        justify-content: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .approach-card,
    .service-card,
    .serve-card {
        padding: 2rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
    }
}


/* Industry 5.0 Explanation Section */
.industry-explanation {
    padding: 6rem 0;
    background: white;
}

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

.explanation-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1A202C;
    margin-bottom: 1.5rem;
}

.explanation-text p {
    font-size: 1.1rem;
    color: #4A5568;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.i50-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.feature-icon {
    font-size: 1.5rem;
}

.feature-text {
    font-weight: 600;
    color: #2D3748;
}

.explanation-image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Timeline badges for approach cards */
.phase-timeline {
    margin: 1rem 0;
}

.timeline-badge {
    background: #4FD1C5;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Testimonials Section */
.testimonials {
    padding: 6rem 0;
    background: #F7FAFC;
}

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

.testimonial-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.testimonial-content p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #2D3748;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-content p::before {
    content: '"';
    font-size: 2rem;
    color: #4FD1C5;
    line-height: 0;
}

.testimonial-content p::after {
    content: '"';
    font-size: 2rem;
    color: #4FD1C5;
    line-height: 0;
}

.author-info h4 {
    font-weight: 600;
    color: #1A202C;
    margin-bottom: 0.25rem;
}

.author-info span {
    color: #4A5568;
    font-size: 0.9rem;
}

/* Contact info in footer */
.contact-info {
    margin-top: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: white;
    opacity: 0.9;
}

.contact-icon {
    font-size: 1.1rem;
}

/* Mobile responsiveness for new sections */
@media (max-width: 768px) {
    .explanation-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-card {
        padding: 2rem;
    }
    
    .i50-features {
        align-items: center;
    }
    
    .explanation-text h2 {
        font-size: 2rem;
    }
    
    .contact-info {
        text-align: center;
    }
}