:root {
    --bg-dark: #0a0a0a;
    --bg-card: #151515;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --accent: #2ecc71; /* A secure green accent */
    --accent-glow: rgba(46, 204, 113, 0.4);
    --terminal-header: #2c2c2c;
    --border: #333;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, .logo, .prompt, .terminal-title, .hash {
    font-family: 'JetBrains Mono', monospace;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Nav */
header {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--accent);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
}

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

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

h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
}

/* Terminal Hero Section */
#hero {
    padding: 160px 0 100px;
    text-align: center;
}

.terminal-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    text-align: left;
}

.terminal-header {
    background: var(--terminal-header);
    padding: 12px 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.red { background: #ff5f56; }
.yellow { background: #ffbd2e; }
.green { background: #27c93f; }

.terminal-title {
    margin-left: 10px;
    font-size: 0.85rem;
    color: #999;
}

.terminal-body {
    padding: 2rem;
    font-size: 1.1rem;
}

.prompt {
    color: var(--accent);
    font-weight: bold;
}

h1 {
    font-size: 3.5rem;
    margin: 1rem 0;
    color: white;
}

.role {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* Buttons */
.cta-buttons {
    display: flex;
    gap: 1.5rem;
}

.btn {
    padding: 0.8rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    font-family: 'JetBrains Mono', monospace;
}

.btn.primary {
    background: var(--accent);
    color: #0a0a0a;
}

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

.btn.secondary {
    border: 1px solid var(--accent);
    color: var(--accent);
}

.btn.secondary:hover {
    background: rgba(46, 204, 113, 0.1);
    transform: translateY(-2px);
}

/* Cards & Grid Layouts */
.card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid var(--border);
}

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

.skill-category {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.skill-category:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
}

.skill-category h3 {
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.skill-category ul {
    list-style: none;
}

.skill-category li {
    margin-bottom: 0.8rem;
    position: relative;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.skill-category li::before {
    content: '>';
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* Certifications */
.cert-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cert-item {
    display: flex;
    align-items: center;
    gap: 2rem;
    background: var(--bg-card);
    padding: 1.5rem 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--accent);
}

.cert-icon {
    font-size: 2.5rem;
}

/* Contact Grid */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.contact-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 8px;
    text-decoration: none;
    border: 1px solid var(--border);
    transition: var(--transition);
    text-align: center;
}

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

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

.contact-card .label {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

.contact-card .value {
    color: white;
    font-weight: 600;
}

/* Footer */
footer {
    padding: 50px 0;
    text-align: center;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    .nav-links { display: none; }
    .cta-buttons { flex-direction: column; }
}

/* Cursor Glow Effect */
.cursor-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(46, 204, 113, 0.05) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
    transform: translate(-50%, -50%);
}