:root {
    --primary: #06b6d4; /* Cyan 500 */
    --primary-glow: rgba(6, 182, 212, 0.5);
    --secondary: #3b82f6; /* Blue 500 */
    --accent: #8b5cf6; /* Violet 500 */
    --bg: #0f172a; /* Slate 900 */
    --bg-light: #1e293b; /* Slate 800 */
    --text: #f1f5f9; /* Slate 100 */
    --text-muted: #94a3b8; /* Slate 400 */
    --border: rgba(148, 163, 184, 0.1);
    --glass: rgba(15, 23, 42, 0.7);
    --font-main: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-display: 'Orbitron', 'Segoe UI', sans-serif; /* Fallback to sans-serif if Orbitron not loaded, but we'll simulate futuristic look with tracking */
}

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

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

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
    color: white;
}

h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px var(--primary-glow);
}

.text-gradient {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Utilities */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary {
    background: rgba(6, 182, 212, 0.1);
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 0 15px rgba(6, 182, 212, 0.2);
}

.btn-primary:hover {
    background: var(--primary);
    color: var(--bg);
    box-shadow: 0 0 30px var(--primary-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
    color: white;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all 0.3s ease;
    background: transparent;
}

header.scrolled {
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo i {
    color: var(--primary);
    animation: spin 10s linear infinite;
}

@keyframes spin {
    100% { transform: rotate(360deg); }
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
    box-shadow: 0 0 10px var(--primary);
}

.nav-links a:hover::after, .nav-links a.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    color: white;
    cursor: pointer;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

#canvas-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(15,23,42,0.3), var(--bg));
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding-top: 80px;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 600px;
}

.tech-badge {
    display: inline-block;
    padding: 5px 15px;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid var(--primary);
    border-radius: 20px;
    color: var(--primary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    box-shadow: 0 0 10px rgba(6, 182, 212, 0.2);
}

/* Sections */
.section {
    padding: 6rem 0;
    position: relative;
}

.section-title {
    margin-bottom: 4rem;
    text-align: center;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-title p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

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

.card {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(6, 182, 212, 0.05), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.card:hover::before {
    transform: translateX(100%);
}

.card-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    text-shadow: 0 0 15px var(--primary-glow);
}

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

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

/* Stats */
.stats {
    background: linear-gradient(rgba(6, 182, 212, 0.05), transparent);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: white;
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

/* Contact */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.contact-info-box {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-top: 5px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-control {
    width: 100%;
    padding: 1rem;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: white;
    font-family: inherit;
    transition: all 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(6, 182, 212, 0.1);
}

/* Footer */
footer {
    background: #020617;
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col a {
    color: var(--text-muted);
}

.footer-col a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    color: #475569;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Mobile */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: 0.3s;
        border-top: 1px solid var(--border);
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}