/* Modern and Professional Theme */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
}

/* Navigation */
nav {
    background: #2c3e50;
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

.logo {
    color: #ecf0f1;
    font-size: 1.5rem;
    font-weight: bold;
}

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

nav ul li a {
    color: #ecf0f1;
    text-decoration: none;
    padding: 0.5rem 1rem;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: #3498db;
}

/* Hero Section — self-contained gradient (no external image CDN) */
header {
    background:
        radial-gradient(1200px 600px at 80% -10%, rgba(52,152,219,0.35), transparent 60%),
        radial-gradient(900px 500px at 0% 20%, rgba(155,89,182,0.25), transparent 55%),
        linear-gradient(135deg, #1a2634 0%, #2c3e50 100%);
    height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: #ecf0f1;
}

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

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: #3498db;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 2rem;
    transition: background 0.3s ease;
}

.cta-button:hover {
    background: #2980b9;
}

/* Services Section */
#services {
    padding: 5rem 5%;
    background: #f9f9f9;
}

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

.service-card {
    background: #fff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

/* Contact Section */
#contact {
    padding: 5rem 5%;
}

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

.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.contact-form textarea {
    height: 150px;
    resize: vertical;
}

.contact-form button {
    padding: 1rem;
    background: #3498db;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.contact-form button:hover {
    background: #2980b9;
}

/* Footer */
footer {
    background: #2c3e50;
    color: #ecf0f1;
    text-align: center;
    padding: 2rem;
}

/* Headings */
h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: #2c3e50;
}

h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}