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

body {
    font-family: 'Arial', sans-serif;
    background: #000;
    color: #fff;
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    padding: 1rem 2rem;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    text-decoration: none;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-logo {
    width: 50px;
    height: 50px;
}

.logo-text h1 {
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: 0.2em;
    margin-bottom: 0;
    line-height: 1;
}

.logo-text p {
    font-size: 0.5rem;
    letter-spacing: 0.3em;
    opacity: 0.8;
    margin-top: 0.3rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #d1dbdd;
}

/* Hero Section */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.data-science-hero {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)),
                url('../assets/background_images/data_background_1.png') center/cover;
}

.healthcare-hero {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)),
                url('../assets/background_images/healthcare_background_1.png') center/cover;
}

.informatics-hero {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)),
                url('../assets/background_images/business_background_1.png') center/cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
}

/* EIN and CAGE */
.hero-ein-cage {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    z-index: 2;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
}

.hero-ein-cage .ein-line,
.hero-ein-cage .cage-line {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.hero-ein-cage .label {
    font-weight: 900;
    opacity: 1;
}

.data-science-ein-cage .label {
    color: #ea6020;
}

.healthcare-ein-cage .label {
    color: #d73e36;
}

.informatics-ein-cage .label {
    color: #214cd5;
}

.hero-ein-cage .value {
    font-weight: 500;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 2rem;
}

/* Hero Title Container and Box */
.hero-title-container {
    position: relative;
    display: inline-block;
    margin-bottom: 1rem;
}

/* Hero Box Outline */
.hero-box {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40vw;
    height: 60%;
    border: 12px solid;
    z-index: -1;
}

.data-science-box {
    border-color: #ea6020;
}

.healthcare-box {
    border-color: #d73e36;
}

.informatics-box {
    border-color: #214cd5;
}

.hero-icon {
    width: 150px;
    height: 150px;
    margin-bottom: 2rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    letter-spacing: 0.2em;
    line-height: 1.1;
    position: relative;
}

.hero-subtitle {
    font-size: 1.2rem;
    letter-spacing: 0.5em;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.hero-description {
    font-size: 0.9rem;
    letter-spacing: 0.3em;
    opacity: 0.8;
}

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

.scroll-arrow {
    width: 30px;
    height: 50px;
    border: 2px solid #fff;
    border-radius: 20px;
    position: relative;
}

.scroll-arrow::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: #fff;
    border-radius: 50%;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        top: 10px;
        opacity: 1;
    }
    100% {
        top: 30px;
        opacity: 0;
    }
}

/* Section Headers */
.section-header {
    padding: 4rem 2rem;
    text-align: center;
    position: relative;
}

.section-header-content h2 {
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: 0.3em;
    position: relative;
    display: inline-block;
}

.data-science-accent {
    background: linear-gradient(90deg, transparent 0%, rgba(234, 96, 32, 0.1) 50%, transparent 100%);
    border-top: 3px solid #ea6020;
    border-bottom: 3px solid #ea6020;
}

.healthcare-accent {
    background: linear-gradient(90deg, transparent 0%, rgba(215, 62, 54, 0.1) 50%, transparent 100%);
    border-top: 3px solid #d73e36;
    border-bottom: 3px solid #d73e36;
}

.informatics-accent {
    background: linear-gradient(90deg, transparent 0%, rgba(33, 76, 213, 0.1) 50%, transparent 100%);
    border-top: 3px solid #214cd5;
    border-bottom: 3px solid #214cd5;
}

/* Section Info */
.section-info {
    padding: 4rem 2rem;
    background: #0a0a0a;
}

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

.info-text p {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: #d1dbdd;
}

.info-text h3 {
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
    letter-spacing: 0.1em;
}

.info-text ul {
    list-style: none;
    padding: 0;
}

.info-text li {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.6;
    color: #d1dbdd;
}

.info-text li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #fff;
}

.info-visual img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    filter: grayscale(100%);
}

/* Services Section */
.services-section {
    background: #000;
}

.services-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    background: #0a0a0a;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.3);
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.service-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #d1dbdd;
}

/* Contact Section */
.contact-section {
    background: #0a0a0a;
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    background: #000;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    font-size: 1rem;
    font-family: 'Arial', sans-serif;
    transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.5);
}

.contact-form textarea {
    resize: vertical;
}

.submit-btn {
    padding: 1rem 3rem;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    border: none;
    cursor: pointer;
    transition: transform 0.3s ease, opacity 0.3s ease;
    align-self: center;
}

.submit-btn:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

.data-science-btn {
    background: #ea6020;
    color: #fff;
}

.healthcare-btn {
    background: #d73e36;
    color: #fff;
}

.informatics-btn {
    background: #214cd5;
    color: #fff;
}

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

.footer-content p {
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    color: #d1dbdd;
}

.footer-bar {
    height: 4px;
    max-width: 200px;
    margin: 0 auto;
}

.data-science-bar {
    background: linear-gradient(90deg, #ea6020 0%, #d54a10 100%);
}

.healthcare-bar {
    background: linear-gradient(90deg, #d73e36 0%, #b82820 100%);
}

.informatics-bar {
    background: linear-gradient(90deg, #214cd5 0%, #1a3ca8 100%);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .info-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .services-container {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-title {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

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

    .hero-title {
        font-size: 2.5rem;
    }

    .section-header-content h2 {
        font-size: 2rem;
    }
}