/* CSS Custom Properties */
:root {
    --primary-blue: #0072CE;
    --accent-green: #78BE20;
    --dark-gray: #1a1a1a;
    --medium-gray: #2C3E50;
    --light-gray: #f8f9fa;
    --border-color: #e1e5e9;
    --white: #FFFFFF;
    --transition: all 0.3s ease;
    --border-radius: 12px;
    --box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    --container-padding: 0 20px;
    --section-padding: 100px 0;
    --tech-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --tech-shadow: 0 4px 20px rgba(102, 126, 234, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    overflow-x: hidden;
    background-color: var(--white);
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 4rem;
    color: var(--dark-gray);
    font-weight: 700;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--tech-gradient);
    border-radius: 2px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background-color: var(--accent-green);
    color: var(--white);
}

.btn-primary:hover {
    background-color: #6ba01d;
    transform: translateY(-2px);
}

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

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

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    transition: var(--transition);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.header.scrolled {
    background-color: var(--white);
    box-shadow: var(--box-shadow);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    color: var(--primary-blue);
    font-size: 1.8rem;
    font-weight: 700;
}

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

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

.nav-link {
    color: var(--dark-gray);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--dark-gray);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 50%, #f1f3f4 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, var(--primary-blue), var(--accent-green));
    border-radius: 50%;
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--dark-gray);
    animation: fadeInUp 1s ease-out;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 2rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    color: var(--accent-green);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    color: var(--dark-gray);
    line-height: 1.8;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    animation: fadeInUp 1s ease-out 0.6s both;
}

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

/* About Section */
.about {
    padding: var(--section-padding);
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
}

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

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

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

.stat-item {
    text-align: center;
    padding: 2.5rem 2rem;
    background-color: var(--white);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--tech-shadow);
    border-color: var(--primary-blue);
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--tech-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.stat-item:hover::before {
    transform: scaleX(1);
}

.stat-text {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-label {
    font-size: 1rem;
    color: var(--medium-gray);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

/* Services Section */
.services {
    padding: var(--section-padding);
    background-color: var(--light-gray);
    border-bottom: 1px solid var(--border-color);
}

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

.service-card {
    background-color: var(--white);
    padding: 3rem 2.5rem;
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--tech-shadow);
    border-color: var(--primary-blue);
}

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

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-green) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    transition: var(--transition);
}

.service-icon svg {
    width: 32px;
    height: 32px;
    stroke: currentColor;
}


.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-gray);
    font-weight: 700;
}

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

.service-benefits {
    list-style: none;
    text-align: left;
}

.service-benefits li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.service-benefits li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: bold;
}

/* Why Choose Us Section */
.why-choose-us {
    padding: var(--section-padding);
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-item {
    text-align: center;
    padding: 2rem;
    transition: var(--transition);
}

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

.feature-item:hover .feature-icon {
    transform: scale(1.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-green) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    transition: var(--transition);
}

.feature-icon svg {
    width: 32px;
    height: 32px;
    stroke: currentColor;
}


.feature-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-gray);
    font-weight: 700;
}

/* Results Section */
.results {
    padding: var(--section-padding);
    background-color: var(--light-gray);
    border-bottom: 1px solid var(--border-color);
}

.testimonials {
    margin-bottom: 4rem;
}

.testimonial-carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonial {
    display: none;
    text-align: center;
    padding: 3rem 2rem;
    background-color: var(--white);
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

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

.testimonial.active {
    display: block;
    animation: fadeIn 0.5s ease-in;
}

.testimonial blockquote {
    font-size: 1.2rem;
    font-style: italic;
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--dark-gray);
}

.testimonial cite {
    font-weight: 600;
    color: var(--primary-blue);
}

.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: none;
    background-color: #ccc;
    cursor: pointer;
    transition: var(--transition);
}

.indicator.active {
    background-color: var(--primary-blue);
}

.metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.metric-item {
    text-align: center;
    padding: 2.5rem 2rem;
    background-color: var(--white);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.metric-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--tech-shadow);
    border-color: var(--accent-green);
}

.metric-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--accent-green) 0%, var(--primary-blue) 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.metric-item:hover::before {
    transform: scaleX(1);
}

.metric-text {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-green);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metric-label {
    font-size: 1rem;
    color: var(--medium-gray);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

/* Projects Section */
.projects {
    padding: var(--section-padding);
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
}

.projects-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--medium-gray);
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.project-card {
    background-color: var(--white);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--tech-shadow);
    border-color: var(--primary-blue);
}

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

.project-card:hover::before {
    transform: scaleX(1);
}

.project-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.project-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--tech-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.project-icon svg {
    width: 28px;
    height: 28px;
}

.project-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
}

.project-category {
    background-color: var(--primary-blue);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.project-duration {
    color: var(--medium-gray);
    font-size: 0.9rem;
    font-weight: 500;
}

.project-card h3 {
    font-size: 1.5rem;
    color: var(--dark-gray);
    margin-bottom: 1rem;
    font-weight: 700;
}

.project-description {
    color: var(--medium-gray);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.project-challenges,
.project-results {
    margin-bottom: 2rem;
}

.project-challenges h4,
.project-results h4 {
    color: var(--dark-gray);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.project-challenges ul {
    list-style: none;
    padding: 0;
}

.project-challenges li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
    color: var(--medium-gray);
}

.project-challenges li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
}

.project-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

.metric {
    text-align: center;
    padding: 1rem;
    background-color: var(--light-gray);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.metric-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-green);
    margin-bottom: 0.25rem;
}

.metric-label {
    font-size: 0.8rem;
    color: var(--medium-gray);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tech-tag {
    background-color: var(--light-gray);
    color: var(--primary-blue);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
}

/* Section CTAs */
.section-cta {
    text-align: center;
    margin: 4rem auto 0;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    position: relative;
    overflow: hidden;
    max-width: 800px;
}

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

.section-cta h3 {
    font-size: 1.8rem;
    color: var(--dark-gray);
    margin-bottom: 1rem;
    font-weight: 700;
}

.section-cta p {
    color: var(--medium-gray);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-cta .btn {
    margin-top: 1rem;
}

/* Contact Section */
.contact {
    padding: var(--section-padding);
    background-color: var(--light-gray);
    border-bottom: 1px solid var(--border-color);
}

.contact-content {
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-subtitle {
    font-size: 1.2rem;
    margin-bottom: 4rem;
    color: var(--medium-gray);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-card {
    background-color: var(--white);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--tech-shadow);
    border-color: var(--primary-blue);
}

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

.contact-card:hover::before {
    transform: scaleX(1);
}

.contact-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--tech-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
}

.contact-icon svg {
    width: 32px;
    height: 32px;
}

.contact-card h3 {
    font-size: 1.5rem;
    color: var(--dark-gray);
    margin-bottom: 1rem;
    font-weight: 700;
}

.contact-card p {
    color: var(--medium-gray);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.contact-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
}

.contact-link:hover {
    text-decoration: underline;
}

.contact-cta {
    text-align: center;
    margin-top: 3rem;
}

.contact-note {
    margin-top: 1rem;
    color: var(--medium-gray);
    font-size: 0.9rem;
    font-style: italic;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--dark-gray) 0%, var(--medium-gray) 100%);
    color: var(--white);
    padding: 3rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-brand h3 {
    color: var(--white);
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: #bbb;
    font-size: 0.9rem;
}

.footer-info {
    text-align: right;
}

.footer-info p {
    color: #bbb;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--box-shadow);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .metrics {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .project-metrics {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
    
    .footer-info {
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .service-card,
    .feature-item {
        padding: 1.5rem;
    }
    
    .project-card,
    .contact-card {
        padding: 2rem 1.5rem;
    }
    
    .section-cta {
        padding: 2rem 1.5rem;
        margin: 2rem auto 0;
        max-width: 90%;
    }
    
    .section-cta h3 {
        font-size: 1.5rem;
        line-height: 1.3;
    }
    
    .section-cta p {
        font-size: 1rem;
        line-height: 1.5;
        margin-bottom: 1.5rem;
    }
    
    .section-cta .btn {
        margin-top: 0.5rem;
        padding: 14px 28px;
        font-size: 1rem;
    }
    
    .metrics {
        grid-template-columns: 1fr;
    }
}