/* --- Global Styles & Variables --- */
:root {
    --primary-color: #0077b6; /* A nice blue */
    --secondary-color: #00b4d8; /* A lighter cyan blue */
    --text-color: #333;
    --bg-color: #fdfdfd;
    --header-bg: #ffffff;
}

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

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

/* --- Header & Navigation --- */
header {
    background-color: var(--header-bg);
    padding: 1rem 5%;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    transition: color 0.3s ease;
}

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

.contact-btn {
    background-color: var(--primary-color);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    transition: background-color 0.3s ease;
}

.contact-btn:hover {
    background-color: var(--secondary-color);
    color: white;
}

/* --- Hero Section --- */
.hero {
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://images.unsplash.com/photo-1501785888041-af3ef285b470?q=80&w=2070'); /* Example image from Unsplash */
    height: 90vh;
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    padding: 0 2rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-button {
    background-color: var(--secondary-color);
    color: white;
    padding: 1rem 2.5rem;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 30px;
    cursor: pointer;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.cta-button:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

/* --- Features Section --- */
.features {
    padding: 4rem 5%;
    text-align: center;
}

.features h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-color);
}

.features-container {
    display: flex;
    justify-content: space-around;
    gap: 2rem;
}

.feature-box {
    background-color: #fff;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    flex-basis: 30%; /* Each box takes up roughly 30% of the container */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-box:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.feature-box h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* --- Footer Section --- */
footer {
    background-color: var(--text-color);
    color: white;
    text-align: center;
    padding: 1.5rem 0;
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    nav ul {
        display: none; /* Simple hiding for mobile, could be replaced with a hamburger menu */
    }
    .features-container {
        flex-direction: column;
    }
}