:root {
    /* Color Palette - Premium Dark Theme */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-color: #3b82f6; /* A professional tech blue */
    --accent-glow: rgba(59, 130, 246, 0.5);
    --border-color: #333333;
    
    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    
    /* Spacing */
    --container-width: 1200px;
    --header-height: 80px;
}

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

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

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

ul {
    list-style: none;
}

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background-color: var(--accent-color);
    color: white;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-glow);
}

/* Header */
header {
    height: var(--header-height);
    background-color: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

header .container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

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

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
}

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

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: var(--header-height);
    background: radial-gradient(circle at 50% 50%, #1a1a1a 0%, var(--bg-primary) 70%);
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(to right, #fff, #a0a0a0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

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

/* Sections General */
section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 60px;
    text-align: center;
    font-weight: 700;
}

/* Contact Section Redesign */
.contact-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 50px;
}

@media (min-width: 768px) {
    .contact-grid {
        flex-direction: row;
        justify-content: space-between;
    }
    .contact-card {
        flex: 1;
    }
}
/* Services */
.services {
    background-color: var(--bg-secondary);
}

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

.service-card {
    background: var(--bg-primary);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

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

/* Footer */
footer {
    background-color: var(--bg-secondary);
    padding: 60px 0 20px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-logo img {
    height: 30px;
    opacity: 0.8;
}

.copyright {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

/* Mobile */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .nav-links {
        display: none; /* Simple hide for now, JS will handle toggle */
    }
}