:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-color: #1f2937;
    --light-gray: #f3f4f6;
    --dark-gray: #4b5563;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

.header {
    position: fixed;
    width: 100%;
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(rgba(37,99,235,0.1), rgba(37,99,235,0.05));
}

.hero-content {
    max-width: 800px;
    padding: 0 2rem;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.cta-button {
    background: var(--primary-color);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background 0.3s ease;
}

.services {
    padding: 5rem 2rem;
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    padding: 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    padding: 2rem;
    text-align: center;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem;
}

.form-group {
    position: relative;
    margin-bottom: 2rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--dark-gray);
    border-radius: 5px;
    font-size: 1rem;
}

.form-group label {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    transition: all 0.3s ease;
    pointer-events: none;
}

.highlight {
    color: var(--primary-color);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--dark-gray);
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
}

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

.service-card {
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-card ul {
    list-style: none;
    padding: 0;
    margin-top: 1rem;
}

.service-card ul li {
    margin: 0.5rem 0;
    color: var(--dark-gray);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.step {
    text-align: center;
    padding: 2rem;
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-weight: bold;
}

.case-study {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

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

.case-study .client {
    color: var(--primary-color);
    font-weight: 500;
    margin: 1rem 0;
}

.case-study .results {
    color: var(--dark-gray);
    padding: 0 1rem 1rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    color: var(--dark-gray);
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--primary-color);
}

.logo-text {
    font-weight: bold;
    font-size: 1.2rem;
}

.logo-text .nova {
    color: var(--primary-color);
}

.logo-text .ai {
    color: #dc2626;
}

.logo-text .labs {
    color: var(--primary-color);
}

.service-card .fas.fa-microchip {
    color: var(--primary-color);
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
}

.service-card:hover .fas.fa-microchip {
    transform: rotate(45deg);
    transition: transform 0.3s ease;
}

.service-card .fas.fa-network-wired {
    color: var(--primary-color);
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease;
}

.service-card:hover .fas.fa-network-wired {
    transform: scale(1.1);
}

.service-card .fas.fa-graduation-cap {
    color: var(--primary-color);
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease;
}

.service-card:hover .fas.fa-graduation-cap {
    transform: translateY(-5px) rotate(5deg);
}

.download-success {
    background-color: #dcfce7;
    color: #166534;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    margin-top: 1rem;
    text-align: center;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}