:root {
    --bg-color: #050507;
    --text-color: #e5e5e5;
    --text-muted: #a0a0a0;
    --primary-accent: #00f2ff;
    --secondary-accent: #bd00ff;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.05);
    --font-main: 'Inter', sans-serif;
    --font-code: 'JetBrains Mono', monospace;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Background Effects */
.background-glow {
    position: fixed;
    top: -20%;
    left: -10%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(0, 242, 255, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
    z-index: -1;
    filter: blur(100px);
}

.background-glow::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 100%;
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(189, 0, 255, 0.1) 0%, rgba(0, 0, 0, 0) 70%);
    filter: blur(120px);
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.gradient-text {
    background: linear-gradient(90deg, var(--primary-accent), var(--secondary-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.accent {
    color: var(--primary-accent);
}

/* Header */
.glass-header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1rem 0;
    background: rgba(5, 5, 7, 0.7);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
}

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

.logo {
    font-family: var(--font-code);
    font-size: 1.5rem;
    font-weight: 700;
}

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

nav a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

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

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(90deg, var(--primary-accent), var(--secondary-accent));
    color: #000;
    border: none;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(0, 242, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-color);
    margin-left: 1rem;
}

.btn-secondary:hover {
    border-color: var(--primary-accent);
    color: var(--primary-accent);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.tagline {
    font-family: var(--font-code);
    color: var(--primary-accent);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.terminal-icon {
    animation: blink 1s infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

.subheadline {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

/* Cards & Grid */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.1);
}

/* About Section */
.about {
    padding: 8rem 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

/* Skills Section */
.skills {
    padding: 8rem 0;
}

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

.skill-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 2rem;
    text-align: left;
    transition: all 0.3s ease;
}

.skill-card:hover {
    border-color: var(--primary-accent);
    box-shadow: 0 0 30px rgba(0, 242, 255, 0.05);
    background: rgba(255, 255, 255, 0.05);
}

.skill-card .icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.skill-card h3 {
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

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

/* Contact Section */
.contact {
    padding: 8rem 0 12rem 0;
    text-align: center;
}

.contact-box {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.contact-box h2 {
    margin-bottom: 1rem;
}

.contact-box p {
    margin-bottom: 2.5rem;
    color: var(--text-muted);
}

.large {
    font-size: 1.1rem;
    padding: 1rem 3rem;
}

/* Footer */
footer {
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    .about-grid, .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .navbar nav {
        display: none; /* Mobile menu to be implemented if needed, simple hide for mvp */
    }

    /* Simple mobile nav override for MVP */
    .navbar {
        flex-direction: column;
        gap: 1rem;
    }
    .navbar nav {
        display: block;
    }
    .navbar nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
}