@font-face {
    font-family: 'Bayside Demo';
    src: url('fonts/BaysideFont-Regular-Demo.otf') format('opentype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #f5f5f0;
    --bg-surface: rgba(255, 255, 255, 0.85);
    --bg-surface-solid: #ffffff;
    --text-primary: #2a2a2a;
    --text-secondary: #545454;
    --accent-primary: #545454;
    --accent-secondary: #ede4c8;
    --border-color: rgba(0, 0, 0, 0.1);
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.05);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-primary);
    background-image: url('images/DATAR_ent.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('images/DATAR_ent.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    opacity: 0.6;
    z-index: 0;
    pointer-events: none;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
    position: relative;
    background: rgba(42, 42, 42, 0.7);
    backdrop-filter: blur(1px);
    z-index: 1;
}

.hero h1 {
    font-family: 'Bayside Demo', 'Yanone Kaffeesatz', 'Anton', sans-serif;
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: normal;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
    color: #f1dcbd;
    animation: fadeInUp 1s ease-out;
}

.hero .subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 300;
    color: #f5f5f0;
    max-width: 800px;
    margin-bottom: 2rem;
    animation: fadeInUp 1.2s ease-out;
}

.hero .credits {
    font-size: 1rem;
    color: var(--text-secondary);
    animation: fadeInUp 1.4s ease-out;
    font-weight: 400;
}

.hero .credits span {
    color: var(--accent-orange);
    font-weight: 600;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator::after {
    content: '↓';
    font-size: 2.5rem;
    color: #f1dcbd;
    opacity: 0.8;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Section */
section {
    padding: 6rem 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(8px);
    position: relative;
    z-index: 1;
}

section:nth-child(even) {
    background: rgba(255, 255, 255, 0.92);
}

.section-title {
    font-family: 'Bayside Demo', 'Yanone Kaffeesatz', sans-serif;
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 400;
    letter-spacing: 0.05em;
    margin-bottom: 2.5rem;
    color: #545454;
    text-align: center;
    text-transform: uppercase;
}

.section-title::after {
    content: '';
    display: block;
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, #545454, #888888);
    margin: 1rem auto;
}

/* About Section */
.about-content {
    max-width: 100%;
    margin: 0 auto;
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.about-featured-img {
    margin-bottom: 3rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.1);
    border: 4px solid #fff;
}

.about-content p {
    margin-bottom: 1.5rem;
}

.about-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.about-square-images {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin: 3rem 0;
}

.about-square-img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    display: block;
    border-radius: 12px;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.1);
    border: 4px solid #fff;
}

.about-highlight {
    background: #fff;
    border-left: 4px solid var(--accent-primary);
    padding: 2rem;
    margin: 3rem 0;
    font-style: italic;
    box-shadow: var(--shadow-soft);
}

.about-highlight p {
    margin-bottom: 1rem;
    font-style: normal;
}

.about-highlight ul {
    margin: 0;
    padding-left: 1.5rem;
    font-style: normal;
    list-style-type: disc;
}

.about-highlight ol {
    padding-left: 40px;
}

.about-highlight li {
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.about-highlight li:last-child {
    margin-bottom: 0;
}

.about-highlight strong {
    font-weight: 600;
    color: var(--text-primary);
}

.about-images {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

/* Gallery Section */
.gallery-intro {
    max-width: 100%;
    margin: 0 auto 3rem;
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.gallery-intro p {
    margin-bottom: 0;
}

.gallery-intro strong {
    color: var(--text-primary);
    font-weight: 600;
}

.gallery-intro a {
    color: var(--text-primary);
    text-decoration: underline;
    transition: color 0.3s ease;
}

.gallery-intro a:hover {
    color: var(--text-secondary);
    text-decoration: underline;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    aspect-ratio: 4/3;
    background: #fff;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.gallery-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    z-index: 10;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
    filter: saturate(0.8);
}

.gallery-item img.gallery-img-top {
    object-position: center 20%;
}

.gallery-item img.gallery-img-bottom {
    object-position: center 85%;
}

.gallery-item:hover img {
    filter: saturate(1.2);
}

.gallery-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 3px solid transparent;
    transition: border-color 0.3s ease;
    pointer-events: none;
    border-radius: 8px;
}

.gallery-item:hover::after {
    border-color: var(--accent-primary);
}

/* Prototype Section */
.prototype-featured-img {
    margin: 0 auto 3rem;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.1);
    border: 4px solid #fff;
    aspect-ratio: 21 / 9;
    width: 100%;
}

.prototype-featured-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.prototype-intro-text {
    max-width: 100%;
    margin: 0 auto 3rem;
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.prototype-intro-text p {
    margin-bottom: 1.5rem;
}

.prototype-intro-text p:last-child {
    margin-bottom: 0;
}

.prototype-intro-text strong {
    color: var(--text-primary);
    font-weight: 600;
}

.prototype-images-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}

.prototype-image-item {
    display: flex;
    flex-direction: column;
}

.prototype-images-grid img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, filter 0.3s ease;
    filter: grayscale(100%);
}

.prototype-images-grid img:hover {
    transform: scale(1.02);
    filter: grayscale(0%);
}

.prototype-image-caption {
    margin-top: 0.75rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-align: center;
    font-style: italic;
    line-height: 1.4;
}

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

.prototype-img-container {
    margin-top: 3rem;
    margin-bottom: 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    border: 4px solid #fff;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.prototype-img-container img {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
    transform: scale(0.9);
}

.prototype-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.8;
}

.prototype-cta {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, #333, #545454);
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.prototype-cta:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

/* Objectives Section */
.objectives-list {
    max-width: 900px;
    margin: 0 auto;
}

.objective-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
    padding: 2rem;
    background: #fff;
    border-radius: 12px;
    box-shadow: var(--shadow-soft);
    border-bottom: 4px solid var(--accent-yellow);
    transition: all 0.3s ease;
}

.objective-item:hover {
    transform: translateX(10px);
    border-bottom-color: var(--accent-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.objective-icon {
    font-size: 2.5rem;
    min-width: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.objective-content {
    font-size: 1.15rem;
    line-height: 1.8;
}

.objective-content h3 {
    color: #545454;
    margin-bottom: 0.75rem;
    font-size: 1.4rem;
    font-weight: 700;
}

/* Card Thumbnails */
.card-thumbnail {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    filter: saturate(1);
    transition: all 0.4s ease;
    border: 1px solid var(--border-color);
}

.link-card:hover .card-thumbnail {
    filter: saturate(1.1);
    transform: scale(1.02);
    border-color: var(--accent-secondary);
}

.link-card-life-sciences .card-thumbnail {
    padding: 1.5rem;
    object-fit: contain;
    object-position: center;
    background-color: #eeebe3;
}

/* Philosophy Section Styles */
.philosophy-featured-img {
    margin-bottom: 3rem;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.1);
    border: 4px solid #fff;
    aspect-ratio: 21 / 9;
    width: 100%;
}

.philosophy-featured-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 70%;
    display: block;
}

.philosophy-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

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

.philosophy-text p {
    font-size: 1.15rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.philosophy-text strong {
    color: var(--text-primary);
}

.philosophy-text a {
    color: var(--text-primary);
    text-decoration: underline;
    transition: color 0.3s ease;
}

.philosophy-text a:hover {
    color: var(--text-secondary);
    text-decoration: underline;
}

.philosophy-images {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.philosophy-img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    filter: grayscale(0.3);
    transition: all 0.5s ease;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-color);
}

.philosophy-img:hover {
    filter: grayscale(0);
    transform: scale(1.05);
    border-color: var(--accent-secondary);
}

@media (max-width: 992px) {
    .philosophy-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

/* Agentic Models Intro */
.agentic-models-intro {
    max-width: 100%;
    margin: 0 auto 3rem;
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.agentic-models-intro p {
    margin-bottom: 0;
}

.agentic-models-intro strong {
    color: var(--text-primary);
    font-weight: 600;
}

.agentic-models-intro a {
    color: var(--text-primary);
    text-decoration: underline;
    transition: color 0.3s ease;
}

.agentic-models-intro a:hover {
    color: var(--text-secondary);
    text-decoration: underline;
}

/* Agentic Models Text */
.agentic-models-text {
    max-width: 100%;
    margin: 0 auto;
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.agentic-models-text p {
    margin-bottom: 0;
}

.agentic-models-text strong {
    color: var(--text-primary);
    font-weight: 600;
}

.agentic-models-text a {
    color: var(--text-primary);
    text-decoration: underline;
    transition: color 0.3s ease;
}

.agentic-models-text a:hover {
    color: var(--text-secondary);
    text-decoration: underline;
}

.agentic-models-img {
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    border: 4px solid #fff;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.agentic-models-img img {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
    transform: scale(0.9);
}

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

.link-card {
    background: #fff;
    padding: 3rem 2rem;
    border-radius: 12px;
    text-align: center;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-soft);
    color: var(--text-secondary);
    font-size: 1.15rem;
    line-height: 1.8;
}

.link-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.link-card-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.link-card h3 {
    color: #545454;
    margin-bottom: 1rem;
    font-size: 1.6rem;
    font-family: 'Yanone Kaffeesatz', sans-serif;
}

/* Footer */
footer {
    background: rgba(42, 42, 42, 0.95);
    padding: 5rem 0;
    text-align: center;
    color: #ccc;
    backdrop-filter: blur(10px);
}

footer strong {
    color: #fff;
}

footer a {
    color: var(--accent-secondary);
    text-decoration: none;
    font-weight: 600;
}

footer a:hover {
    color: #fff;
    text-decoration: underline;
}

footer p:last-child {
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: #f5f5f0;
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(-15px);
    }
}

/* Navigation Menu */
.nav-toggle {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 2px solid var(--border-color);
    border-radius: 9px;
    width: 36px;
    height: 36px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-soft);
}

.nav-toggle:hover {
    background: rgba(255, 255, 255, 1);
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.nav-toggle span {
    display: block;
    width: 19px;
    height: 2px;
    background: var(--accent-primary);
    margin: 2px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 330px;
    height: 100vh;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    z-index: 999;
    transition: right 0.3s ease;
    box-shadow: -6px 0 28px rgba(0, 0, 0, 0.1);
    padding: 5.5rem 2.2rem 2.2rem;
    overflow-y: auto;
}

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

.nav-menu ul {
    list-style: none;
    padding: 0;
}

.nav-menu li {
    margin-bottom: 1.1rem;
}

.nav-menu a {
    display: block;
    padding: 1.1rem 1.7rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 500;
    border-radius: 9px;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.nav-menu a:hover {
    background: rgba(84, 84, 84, 0.1);
    border-left-color: var(--accent-primary);
    transform: translateX(6px);
}

.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Logo Styles */
.link-card-logo {
    width: 3.5rem;
    height: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--accent-primary);
    transition: transform 0.3s ease;
}

.link-card:hover .link-card-logo {
    transform: scale(1.1);
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 4rem;
    }

    section {
        padding: 4rem 0;
    }

    .objective-item {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .nav-toggle {
        top: 1.5rem;
        right: 1.5rem;
        width: 33px;
        height: 33px;
    }

    .nav-menu {
        width: 308px;
    }
}