:root {
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --accent-color: #bb86fc;
    --secondary-bg: #1e1e1e;
    --font-main: 'Inter', sans-serif;
    --spacing-unit: 1rem;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

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

a:hover {
    color: var(--accent-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Nav */
header {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('background_picture.jpg');
    background-size: cover;
    background-position: center top;
    position: relative;
}

nav {
    position: absolute;
    top: 0;
    width: 100%;
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 1px;
}

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

.nav-links li a {
    font-weight: 500;
    font-size: 1rem;
}

/* Hero */
.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: #aaa;
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border: 2px solid var(--text-color);
    color: var(--text-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: var(--text-color);
    color: var(--bg-color);
}

.btn-primary {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: #000;
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--accent-color);
}

/* Sections */
section {
    padding: 5rem 0;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
}

h2::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background-color: var(--accent-color);
    margin: 1rem auto 0;
}

/* About */
#about {
    background-color: var(--secondary-bg);
    text-align: center;
}

.lead {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: #ccc;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-item {
    padding: 2rem;
    background-color: var(--bg-color);
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-item h3 {
    margin-bottom: 1rem;
    color: var(--accent-color);
}

/* Services */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    padding: 2rem;
    border: 1px solid #333;
    border-radius: 8px;
}

.service-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

/* Contact */
#contact {
    text-align: center;
}

#contact p {
    margin-bottom: 2rem;
    font-size: 1.2rem;
}

.socials {
    margin-top: 2rem;
}

.socials a {
    margin: 0 1rem;
    font-size: 1.1rem;
    text-decoration: underline;
}

/* Footer */
footer {
    padding: 2rem 0;
    text-align: center;
    background-color: #000;
    font-size: 0.9rem;
    color: #777;
}

footer a {
    color: #777;
    margin-left: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }

    .nav-links {
        display: none;
        /* Simple hide for now, could add hamburger later */
    }

    nav {
        justify-content: center;
    }
}