/* Font Face Declarations */
@font-face {
    font-family: 'TT Fors';
    src: url('TT\ Fors\ Trial\ 2.100/TT\ Fors\ Trial\ 2-100/TT_Fors_Trial_Regular.woff2') format('woff2'),
         url('TT\ Fors\ Trial\ 2.100/TT\ Fors\ Trial\ 2-100/TT_Fors_Trial_Regular.woff') format('woff');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'TT Fors';
    src: url('TT\ Fors\ Trial\ 2.100/TT\ Fors\ Trial\ 2-100/TT_Fors_Trial_Medium.woff2') format('woff2'),
         url('TT\ Fors\ Trial\ 2.100/TT\ Fors\ Trial\ 2-100/TT_Fors_Trial_Medium.woff') format('woff');
    font-weight: 500;
    font-style: normal;
}

@font-face {
    font-family: 'TT Fors';
    src: url('TT\ Fors\ Trial\ 2.100/TT\ Fors\ Trial\ 2-100/TT_Fors_Trial_DemiBold.woff2') format('woff2'),
         url('TT\ Fors\ Trial\ 2.100/TT\ Fors\ Trial\ 2-100/TT_Fors_Trial_DemiBold.woff') format('woff');
    font-weight: 600;
    font-style: normal;
}

@font-face {
    font-family: 'TT Fors';
    src: url('TT\ Fors\ Trial\ 2.100/TT\ Fors\ Trial\ 2-100/TT_Fors_Trial_Bold.woff2') format('woff2'),
         url('TT\ Fors\ Trial\ 2.100/TT\ Fors\ Trial\ 2-100/TT_Fors_Trial_Bold.woff') format('woff');
    font-weight: 700;
    font-style: normal;
}

@font-face {
    font-family: 'TT Fors';
    src: url('TT\ Fors\ Trial\ 2.100/TT\ Fors\ Trial\ 2-100/TT_Fors_Trial_Light.woff2') format('woff2'),
         url('TT\ Fors\ Trial\ 2.100/TT\ Fors\ Trial\ 2-100/TT_Fors_Trial_Light.woff') format('woff');
    font-weight: 300;
    font-style: normal;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'TT Fors', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    font-weight: 400;
    line-height: 1.6;
    color: #000;
    background-color: #fff;
    font-size: 16px;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid #e5e5e5;
}

.nav-container {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2rem;
}

.logo-container .logo {
    height: 96px;
    width: auto;
}

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

.nav-menu a {
    text-decoration: none;
    color: #000;
    font-weight: 400;
    font-size: 14px;
    transition: opacity 0.3s ease;
}

.nav-menu a:hover {
    opacity: 0.6;
}

/* Main Content */
main {
    margin-top: 120px; /* Prevent overlap with fixed navbar */
}

/* Hero Section */
.hero {
    padding: 60px 0 100px;
    background: #fff;
    text-align: center;
}

.hero-logo {
    margin-bottom: 2rem;
}

.hero-logo-img {
    height: 360px;
    width: auto;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 400;
    letter-spacing: -0.01em;
    margin-bottom: 1rem;
    color: #000;
}

.hero-subtitle {
    font-size: 1rem;
    font-weight: 400;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-gray {
    background: #f8f8f8;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 400;
    margin-bottom: 2rem;
    text-align: center;
    color: #000;
}

.section-intro {
    text-align: center;
    font-size: 1rem;
    color: #666;
    max-width: 700px;
    margin: 0 auto 3rem;
    line-height: 1.6;
}

/* Content Block */
.content-block {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.content-block p {
    font-size: 1rem;
    line-height: 1.7;
    color: #333;
    margin-bottom: 1.5rem;
}

.content-block p strong {
    font-weight: 600;
}

/* Mission Grid */
.mission-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4rem;
    margin-top: 3rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.mission-item {
    text-align: center;
}

.mission-icon {
    margin-bottom: 1.5rem;
}

.mission-icon img {
    height: 64px;
    width: 64px;
    object-fit: contain;
}

.mission-item p {
    font-size: 0.95rem;
    color: #333;
    line-height: 1.6;
}

/* Technology Categories */
.tech-categories {
    margin-top: 3rem;
}

.tech-category {
    margin-bottom: 4rem;
}

.tech-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.tech-icon img {
    height: 40px;
    width: 40px;
    object-fit: contain;
}

.tech-category h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #000;
}

.tech-description {
    font-size: 1rem;
    line-height: 1.7;
    color: #333;
    max-width: 800px;
}

.tech-items {
    margin-top: 2rem;
}

.tech-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #f8f8f8;
    border-radius: 8px;
}

.tech-item-icon img {
    height: 32px;
    width: 32px;
    object-fit: contain;
    margin-top: 0.2rem;
}

.tech-item-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #000;
}

.tech-item-content p {
    font-size: 0.95rem;
    color: #333;
    line-height: 1.6;
}

/* GKR Section - Special Centerpiece */
.gkr-section {
    text-align: center;
    padding: 2rem 0;
}

.gkr-section .tech-header {
    justify-content: center;
    margin-bottom: 3rem;
}

.gkr-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
}

.gkr-image-container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

.gkr-image {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
}

.gkr-section .tech-description {
    text-align: center;
    margin: 0 auto;
}

/* Applications Grid */
.applications-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin: 3rem 0;
}

.application-item {
    padding: 2rem;
    text-align: center;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    background: #fff;
    transition: box-shadow 0.3s ease;
}

.application-item:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.application-icon {
    margin-bottom: 1.5rem;
}

.application-icon img {
    height: 56px;
    width: 56px;
    object-fit: contain;
}

.application-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #000;
}

.application-item p {
    font-size: 0.9rem;
    color: #333;
    line-height: 1.6;
}

/* Case Studies */
.case-studies {
    margin-top: 5rem;
}

.case-studies-title {
    font-size: 1.8rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 1rem;
    color: #000;
}

.case-studies-intro {
    text-align: center;
    font-size: 1rem;
    color: #666;
    margin-bottom: 3rem;
    line-height: 1.6;
}

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

.case-study {
    padding: 2rem;
    text-align: center;
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 8px;
}

.case-study-icon {
    margin-bottom: 1.5rem;
}

.case-study-icon img {
    height: 48px;
    width: 48px;
    object-fit: contain;
}

.case-study h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #000;
}

.case-study p {
    font-size: 0.9rem;
    color: #333;
    line-height: 1.6;
}

/* Contact Section */
.contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-intro {
    font-size: 1rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-icon {
    height: 20px;
    width: 20px;
    object-fit: contain;
}

.contact-email,
.contact-website {
    font-size: 1.1rem;
    font-weight: 500;
    color: #000;
}

.contact-email {
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.contact-email:hover {
    opacity: 0.7;
}

/* Footer */
.footer {
    background: #000;
    color: #fff;
    padding: 2rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-logo .logo {
    height: 80px;
    filter: invert(1);
}

.footer p {
    color: #ccc;
    font-size: 0.85rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    main {
        margin-top: 80px;
    }
    
    .nav-container {
        padding: 1.5rem 1rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    main {
        margin-top: 100px;
    }
    
    .hero {
        padding: 60px 0 80px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-logo-img {
        height: 280px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .mission-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .mission-icon img {
        height: 56px;
        width: 56px;
    }
    
    .applications-grid {
        grid-template-columns: 1fr;
    }
    
    .application-icon img {
        height: 48px;
        width: 48px;
    }
    
    .case-studies-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .case-study-icon img {
        height: 40px;
        width: 40px;
    }
    
    .tech-item {
        flex-direction: column;
        text-align: center;
    }
    
    .tech-item-icon {
        align-self: center;
    }
    
    .tech-item-icon img {
        height: 28px;
        width: 28px;
    }
    
    .tech-icon img {
        height: 32px;
        width: 32px;
    }
    
    .gkr-content {
        gap: 2rem;
    }
    
    .gkr-image {
        max-height: 300px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-logo-img {
        height: 240px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .mission-grid {
        gap: 2rem;
    }
    
    .mission-icon img {
        height: 48px;
        width: 48px;
    }
    
    .tech-header {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .tech-icon img {
        height: 28px;
        width: 28px;
    }
    
    .application-item,
    .case-study {
        padding: 1.5rem;
    }
    
    .application-icon img {
        height: 40px;
        width: 40px;
    }
    
    .case-study-icon img {
        height: 32px;
        width: 32px;
    }
    
    .gkr-image {
        max-height: 250px;
    }
    
    .contact-icon {
        height: 16px;
        width: 16px;
    }
}

/* Animation Enhancements */
.application-item,
.case-study,
.mission-item,
.tech-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.application-item.visible,
.case-study.visible,
.mission-item.visible,
.tech-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Selection Styling */
::selection {
    background: #000;
    color: #fff;
}

/* Print Styles */
@media print {
    .navbar,
    .footer {
        display: none;
    }
    
    .section {
        padding: 2rem 0;
    }
    
    body {
        font-size: 12px;
    }
}