:root {
    --bg-color: #050505;
    --text-color: #ffffff;
    --accent-cyan: #00FFFF;
    --accent-orange: #FFAA00;
    --accent-green: #00FF00;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(0, 255, 255, 0.2);
    --font-mono: 'Fira Code', monospace;
    --font-heading: 'Orbitron', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-mono);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    /* Radial gradient grid pattern */
    background-image:
        radial-gradient(circle, rgba(0, 255, 255, 0.1) 1px, transparent 1px),
        radial-gradient(circle, rgba(0, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 40px 40px, 20px 20px;
    background-position: 0 0, 10px 10px;
}

/* Scanline effect */
.scanline {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 50%, rgba(0, 0, 0, 0.3) 51%);
    background-size: 100% 4px;
    pointer-events: none;
    z-index: 999;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    pointer-events: none;
    z-index: 998;
}

/* Typography */
h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 2px;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 255, 255, 0.1);
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-cyan);
    text-shadow: 0 0 10px var(--accent-cyan);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    margin-left: auto;
}

nav a {
    font-size: 0.9rem;
    color: var(--text-color);
    transition: color 0.3s;
}

nav a:hover,
nav a.active {
    color: var(--accent-cyan);
    text-shadow: 0 0 5px var(--accent-cyan);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    z-index: 101;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--accent-cyan);
    transition: all 0.3s ease;
    box-shadow: 0 0 5px var(--accent-cyan);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Main Layout */
main {
    padding-top: 80px;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 40px;
    color: var(--accent-cyan);
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 10px;
    display: inline-block;
}

.decor {
    color: var(--accent-orange);
    margin-right: 10px;
}

/* Hero Section */
.hero-section {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}

.hero-content {
    flex: 1;
}

.terminal-text {
    color: var(--accent-green);
    margin-bottom: 10px;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    color: #fff;
    text-shadow: 2px 2px 0px var(--accent-cyan), -2px -2px 0px var(--accent-orange);
}

.bio {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 600px;
    color: #aaa;
}

.cta-group {
    display: flex;
    gap: 20px;
}

/* Buttons */
.cyber-btn {
    display: inline-block;
    padding: 12px 30px;
    background: transparent;
    border: 1px solid var(--accent-cyan);
    color: var(--accent-cyan);
    font-family: var(--font-mono);
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.cyber-btn:hover {
    background: var(--accent-cyan);
    color: #000;
    box-shadow: 0 0 20px var(--accent-cyan);
}

.cyber-btn.secondary {
    border-color: var(--accent-orange);
    color: var(--accent-orange);
}

.cyber-btn.secondary:hover {
    background: var(--accent-orange);
    color: #000;
    box-shadow: 0 0 20px var(--accent-orange);
}

/* Status Card */
.hero-status {
    flex: 0 0 350px;
}

.status-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 20px;
    position: relative;
}

.status-card::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    width: 20px;
    height: 20px;
    border-top: 2px solid var(--accent-cyan);
    border-left: 2px solid var(--accent-cyan);
}

.status-card::after {
    content: '';
    position: absolute;
    bottom: -1px;
    right: -1px;
    width: 20px;
    height: 20px;
    border-bottom: 2px solid var(--accent-cyan);
    border-right: 2px solid var(--accent-cyan);
}

.card-header {
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 10px;
    margin-bottom: 15px;
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--accent-cyan);
}

.blink {
    animation: blink 1s infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.stat-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.highlight {
    color: var(--accent-orange);
}

.neon-green {
    color: var(--accent-green);
}

.code-block {
    background: rgba(0, 0, 0, 0.5);
    padding: 10px;
    margin-top: 15px;
    font-size: 0.8rem;
    border-left: 2px solid var(--accent-cyan);
}

/* About Card */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 30px;
    backdrop-filter: blur(5px);
}

.prompt {
    color: var(--accent-green);
    margin-right: 10px;
}

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

.project-card {
    background: rgba(10, 10, 10, 0.8);
    border: 1px solid #333;
    padding: 25px;
    position: relative;
    transition: transform 0.3s, border-color 0.3s;
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.1);
}

.card-border {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.project-card:hover .card-border {
    opacity: 1;
}

.project-card h3 {
    color: #fff;
    margin-bottom: 10px;
}

.project-desc {
    font-size: 0.9rem;
    color: #aaa;
    margin-bottom: 20px;
}

.tech-list {
    list-style: none;
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tech-list li {
    font-size: 0.8rem;
    color: var(--accent-orange);
}

.link-btn {
    font-size: 0.9rem;
    color: var(--accent-cyan);
    font-weight: bold;
}

.link-btn:hover {
    text-decoration: underline;
}

/* Skills */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.skill-category h3 {
    color: var(--accent-cyan);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tags span {
    background: rgba(0, 255, 255, 0.1);
    border: 1px solid var(--accent-cyan);
    padding: 5px 10px;
    font-size: 0.9rem;
    color: var(--text-color);
}

/* Certificates */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.cert-item {
    border: 1px solid var(--glass-border);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.cert-id {
    font-size: 0.7rem;
    color: #555;
}

.issuer {
    color: var(--accent-orange);
    font-size: 0.9rem;
}

.hidden-cert {
    display: none;
}

/* Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 50px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-cyan), var(--accent-orange));
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    padding-left: 30px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -38px;
    top: 5px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-cyan);
    border: 2px solid var(--bg-color);
    box-shadow: 0 0 10px var(--accent-cyan);
}

.timeline-year {
    position: relative;
    left: 0;
    top: 0;
    width: auto;
    text-align: left;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-orange);
    font-family: var(--font-heading);
    margin-bottom: 10px;
}

.timeline-content {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 20px;
    border-left: 3px solid var(--accent-cyan);
}

.timeline-content h3 {
    color: var(--accent-cyan);
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.timeline-content h4 {
    color: #fff;
    font-size: 1rem;
    font-family: var(--font-mono);
    font-weight: normal;
    margin-bottom: 8px;
}

.timeline-content p {
    color: #aaa;
    font-size: 0.9rem;
}



/* Contact Form */
.contact-wrapper {
    max-width: 600px;
    margin: 0 auto;
}

.cyber-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.form-group label {
    color: var(--accent-cyan);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid #333;
    padding: 10px;
    color: #fff;
    font-family: var(--font-mono);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.1);
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 0;
    border-top: 1px solid #111;
    margin-top: 50px;
    font-size: 0.8rem;
    color: #555;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section {
        flex-direction: column;
        text-align: center;
        padding-top: 50px;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .cta-group {
        justify-content: center;
    }

    nav {
        padding: 20px;
    }

    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(5, 5, 5, 0.98);
        width: 100%;
        text-align: center;
        transition: left 0.3s ease;
        box-shadow: 0 10px 27px rgba(0, 255, 255, 0.1);
        border-bottom: 1px solid var(--glass-border);
        padding: 20px 0;
        gap: 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        padding: 15px 0;
        border-bottom: 1px solid rgba(0, 255, 255, 0.05);
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .hero-status {
        width: 100%;
    }

    .cert-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 1.2rem;
        word-break: break-word;
    }

    .timeline {
        padding-left: 30px;
    }

    .timeline::before {
        left: 10px;
    }

    .timeline-item {
        padding-left: 25px;
    }

    .timeline-item::before {
        left: -27px;
    }

    .timeline-year {
        font-size: 1.2rem;
    }
}