:root {
    --primary-color: #3A86FF;
    --secondary-color: #FF9F1C;
    --accent-color: #8338EC;
    --text-color: #333333;
    --light-text: #666666;
    --background: #FFFFFF;
    --light-bg: #F8F9FA;
    --dark-bg: #0D1B2A;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header styles */
header {
    background-color: var(--background);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

header .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.logo img {
    height: 40px;
    width: auto;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.tagline {
    font-size: 0.9rem;
    color: var(--light-text);
    margin-left: auto;
    margin-right: 2rem;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
}

nav a:hover {
    color: var(--primary-color);
}

/* Hero section */
#hero {
    padding: 5rem 0;
    background: linear-gradient(to bottom right, var(--light-bg), #E9ECEF);
}

#hero .container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 2rem;
}

.hero-content {
    flex: 1;
    min-width: 300px;
}

.hero-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark-bg);
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--light-text);
}

.cta-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--box-shadow);
}

.cta-button:hover {
    background-color: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 6px 10px rgba(0, 0, 0, 0.15);
}

.hero-visual {
    flex: 1;
    min-width: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.data-orbit {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background-image: url('logo/logo.png');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Services section */
#services {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: var(--dark-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--light-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    transition: var(--transition);
    height: 100%;
}

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

.service-icon {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--dark-bg);
}

.service-card p {
    color: var(--light-text);
}

/* Tech highlight section */
#tech-highlight {
    padding: 5rem 0;
    background-color: var(--dark-bg);
    color: white;
}

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

.tech-content h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.tech-content p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Why choose section */
#why-choose {
    padding: 5rem 0;
    background-color: var(--light-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature {
    display: flex;
    flex-direction: column;
    background-color: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.feature:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

.feature-icon {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.feature h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--dark-bg);
}

.feature p {
    color: var(--light-text);
    font-size: 0.95rem;
}

/* Footer */
footer {
    background-color: var(--dark-bg);
    color: white;
    padding: 3rem 0;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 2rem;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-img {
    height: 60px;
    width: auto;
    margin-bottom: 1rem;
}

.contact-info, .footer-links {
    margin-top: 1rem;
}

footer a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

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

/* Responsive adjustments */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .tagline {
        margin: 0.5rem 0 1rem;
    }
    
    nav {
        width: 100%;
        margin-top: 1rem;
    }
    
    nav ul {
        width: 100%;
        justify-content: space-between;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.3rem;
    }
    
    .hero-content h2 {
        font-size: 1.8rem;
    }
    
    .cta-button {
        width: 100%;
        text-align: center;
    }
    
    .service-card, .feature {
        padding: 1.5rem;
    }
}