:root {
    /* Color Palette - Dark Tech */
    --bg-dark: #050505;
    --bg-card: #121212;
    --text-main: #ffffff;
    --text-muted: #a0a0a0;

    /* Accents - fallback to Electric Blue/Pink until PDF specs are provided */
    --accent-primary: #00f0ff;
    --accent-secondary: #7000ff;

    --font-main: 'Inter', sans-serif;
    --font-display: 'Rajdhani', sans-serif;
}

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

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

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: 1px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s ease;
}

/* Utilities */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: transparent;
    border: 1px solid var(--accent-primary);
    color: var(--accent-primary);
    font-family: var(--font-display);
    font-weight: 600;
    text-transform: uppercase;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn:hover {
    background: var(--accent-primary);
    color: var(--bg-dark);
    box-shadow: 0 0 15px var(--accent-primary);
}

.btn-primary {
    background: var(--accent-primary);
    color: var(--bg-dark);
    border: none;
}

.btn-primary:hover {
    background: #fff;
    color: #000;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 20px 0;
}

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

.logo img {
    height: 40px;
    /* Adjust based on asset */
    width: auto;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background-color: var(--text-main);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    background: radial-gradient(circle at center, #1a1a1a 0%, #050505 70%);
}

.hero::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('assets/hero-bg.png') no-repeat center center/cover;
    opacity: 0.2;
    z-index: -1;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #fff, var(--text-muted));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 40px;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background: var(--bg-card);
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
}

.service-card h3 {
    margin-bottom: 15px;
    color: var(--accent-primary);
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Contact */
.contact {
    text-align: center;
    background: linear-gradient(180deg, var(--bg-dark), #111);
}

.contact h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.contact p {
    color: var(--text-muted);
    margin-bottom: 40px;
}

/* Footer */
footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-size: 0.8rem;
}

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

    .nav-links {
        display: none;
        /* Add JS toggle later */
    }

    .hamburger {
        display: flex;
    }
}