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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

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

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo img {
    height: 40px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    margin: 0;
}

.nav-menu a {
    color: #000;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: opacity 0.3s ease;
}

.nav-menu a:hover {
    opacity: 0.7;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 4px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: #000;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: #000;
    color: white;
    padding: 120px 0 80px;
    min-height: 80vh;
    display: flex;
    align-items: center;
    text-align: center;
}

.hero-content h1 {
    font-size: clamp(32px, 6vw, 64px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    background: white;
    color: #000;
    border: none;
    padding: 15px 30px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
}

/* Clients Section */
.clients-section {
    background: white;
    padding: 80px 0;
    text-align: center;
}

.clients-section h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 50px;
    color: #000;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 40px;
    align-items: center;
}

.clients-grid img {
    width: 100%;
    height: 60px;
    object-fit: contain;
    opacity: 0.7;
    transition: opacity 0.3s ease;
    filter: grayscale(100%);
}

.clients-grid img:hover {
    opacity: 1;
    filter: grayscale(0%);
}

/* Services Section */
.services-section {
    background: #000;
    color: white;
    padding: 80px 0;
}

.services-section h2 {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
}

.services-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 0;
}

.service-item {
    border-right: 1px solid #333;
    border-bottom: 1px solid #333;
    padding: 40px 30px;
    text-align: center;
    transition: background 0.3s ease;
}

.service-item:hover {
    background: #111;
}

.service-item h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.service-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto;
}

.service-icon svg {
    width: 100%;
    height: 100%;
    stroke: white;
    fill: none;
}

/* About Section */
.about-section {
    background: white;
    padding: 80px 0;
}

.about-section h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 50px;
    text-align: center;
    color: #000;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 30px;
    color: #666;
}

/* Case Studies Section */
.case-studies-section {
    background: #000;
    color: white;
    padding: 80px 0;
}

.case-studies-section h2 {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    letter-spacing: 2px;
}

.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.case-study-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.case-study-item:hover {
    transform: translateY(-10px);
}

.case-study-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-study-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
    padding: 30px;
    color: white;
}

.case-study-overlay h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
}

.case-study-overlay p {
    font-size: 14px;
    opacity: 0.9;
}

/* CTA Section */
.cta-section {
    background: white;
    padding: 80px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 40px;
    color: #000;
    letter-spacing: 2px;
}

.cta-button-large {
    background: #000;
    color: white;
    border: none;
    padding: 20px 40px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-button-large:hover {
    background: #333;
    transform: translateY(-2px);
}

/* Philosophy Section */
.philosophy-section {
    background: #000;
    color: white;
    padding: 80px 0;
}

.philosophy-section h2 {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
}

.philosophy-quotes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 50px;
}

.quote-item {
    text-align: center;
    padding: 30px;
    border: 1px solid #333;
    border-radius: 10px;
}

.quote-item blockquote {
    font-size: 18px;
    font-style: italic;
    margin-bottom: 20px;
    line-height: 1.6;
}

.quote-item cite {
    font-size: 14px;
    opacity: 0.7;
    font-weight: 500;
}

/* Values Section */
.values-section {
    background: white;
    padding: 80px 0;
}

.values-section h2 {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: #000;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.value-item {
    text-align: center;
    padding: 30px 20px;
}

.value-item h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #000;
    letter-spacing: 1px;
}

.value-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

.office-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 60px;
}

.office-images img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 10px;
}

/* Partners Section */
.partners-section {
    background: #f8f9fa;
    padding: 80px 0;
    text-align: center;
}

.partners-section h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 50px;
    color: #000;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 40px;
    align-items: center;
}

.partners-grid img {
    width: 100%;
    height: 60px;
    object-fit: contain;
    opacity: 0.6;
    transition: opacity 0.3s ease;
    filter: grayscale(100%);
}

.partners-grid img:hover {
    opacity: 1;
    filter: grayscale(0%);
}

/* Testimonials Section */
.testimonials-section {
    background: white;
    padding: 80px 0;
}

.testimonials-section h2 {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: #000;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.testimonial-item {
    background: #f8f9fa;
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
}

.testimonial-item blockquote {
    font-size: 16px;
    font-style: italic;
    margin-bottom: 20px;
    line-height: 1.6;
    color: #333;
}

.testimonial-item cite {
    font-size: 14px;
    color: #666;
    font-weight: 500;
}

/* Content Section */
.content-section {
    background: #000;
    color: white;
    padding: 80px 0;
}

.content-section h2 {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    letter-spacing: 2px;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.content-item {
    background: #111;
    border-radius: 10px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

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

.content-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.content-info {
    padding: 30px;
}

.content-info h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
}

.content-info p {
    font-size: 14px;
    color: #ccc;
    margin-bottom: 15px;
    line-height: 1.6;
}

.content-date {
    font-size: 12px;
    color: #666;
    font-weight: 500;
}

/* Final CTA Section */
.final-cta-section {
    background: #000;
    color: white;
    padding: 100px 0;
    text-align: center;
}

.final-cta-section h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.final-cta-section p {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.8;
}

.final-cta-section .cta-button-large {
    background: white;
    color: #000;
}

.final-cta-section .cta-button-large:hover {
    background: #f0f0f0;
}

/* Footer */
.footer {
    background: #111;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo img {
    height: 50px;
    margin-bottom: 20px;
}

.footer-section h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-section p {
    color: #ccc;
    margin-bottom: 10px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.2);
}

.social-links svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #333;
    color: #666;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    }

    .nav-menu.active {
        display: flex;
    }

    .menu-toggle {
        display: flex;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-content h1 {
        font-size: 32px;
    }

    .services-list {
        grid-template-columns: 1fr;
    }

    .service-item {
        border-right: none;
    }

    .case-studies-grid,
    .content-grid {
        grid-template-columns: 1fr;
    }

    .philosophy-quotes,
    .values-grid {
        grid-template-columns: 1fr;
    }

    .office-images {
        grid-template-columns: 1fr;
    }

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

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

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

.fade-in {
    animation: fadeInUp 0.8s ease-out;
}

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