:root {
    --bg-color: #0a0a0a;
    --bg-secondary: #111111;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --accent-color: #0f0; /* Terminal Green */
    --accent-dim: rgba(0, 255, 0, 0.1);
    --border-color: #333;
    --card-bg: #161616;
    --font-mono: 'Courier New', Courier, monospace;
    --font-sans: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

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

/* === SCROLLBAR === */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
    background: #333;
    border: 1px solid var(--accent-color);
}

/* === CRT EFFECT === */
.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(255,255,255,0),
        rgba(255,255,255,0) 50%,
        rgba(0,0,0,0.1) 50%,
        rgba(0,0,0,0.1)
    );
    background-size: 100% 4px;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.6;
}

/* === TYPOGRAPHY & UTILS === */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.section {
    padding: 80px 0;
}

.section-title {
    font-family: var(--font-mono);
    color: var(--accent-color);
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    font-size: 1.5rem;
}

.prompt {
    color: #ff3b3b; /* Root red */
    margin-right: 10px;
}

/* === NAVIGATION === */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgba(10, 10, 10, 0.95);
    padding: 20px 5%;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.nav-logo {
    font-family: var(--font-mono);
    font-weight: bold;
    font-size: 1.5rem;
    color: var(--accent-color);
}

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

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

.hamburger {
    display: none;
    cursor: pointer;
}

/* === HERO SECTION === */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 60px;
}

.terminal-alert {
    font-family: var(--font-mono);
    color: var(--accent-color);
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.glitch {
    font-size: 4rem;
    font-weight: bold;
    color: var(--text-primary);
    position: relative;
    letter-spacing: 5px;
}

.hero-title {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin: 20px 0;
    font-weight: normal;
}

.typing-container {
    font-family: var(--font-mono);
    min-height: 50px;
    color: var(--accent-color);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cursor {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero-btns .btn {
    display: inline-block;
    padding: 12px 30px;
    margin: 10px;
    font-family: var(--font-mono);
    font-weight: bold;
    border: 1px solid var(--accent-color);
}

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

.primary-btn:hover {
    background-color: var(--accent-color);
    color: #000;
}

.secondary-btn {
    border-color: var(--text-secondary);
    color: var(--text-secondary);
}

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

/* === TERMINAL WINDOW (ABOUT) === */
.terminal-window {
    background-color: var(--bg-secondary);
    border: 1px solid #333;
    border-radius: 5px;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
    overflow: hidden;
}

.terminal-header {
    background-color: #222;
    padding: 10px;
    display: flex;
    align-items: center;
}

.buttons span {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 8px;
}

.close { background: #ff5f56; }
.minimize { background: #ffbd2e; }
.maximize { background: #27c93f; }

.title {
    margin-left: 20px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: #aaa;
}

.terminal-body {
    padding: 20px;
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

.terminal-body p {
    margin-bottom: 10px;
}

/* === TECHNOLOGIES SECTION (SKILLS) === */
/* Search Bar */
.tech-search-wrapper {
    margin-bottom: 30px;
    background: #000;
    border: 1px solid #333;
    padding: 10px 15px;
    display: flex;
    align-items: center;
    max-width: 600px;
}

#tech-search {
    background: transparent;
    border: none;
    color: var(--accent-color);
    font-family: var(--font-mono);
    width: 100%;
    margin-left: 10px;
    font-size: 1rem;
    outline: none;
}

/* Tech Grid */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

/* Tech Card */
.tech-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: border-color 0.3s;
    height: fit-content;
}

.tech-card:hover {
    border-color: var(--accent-color);
}

.tech-header {
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.tech-header h3 {
    font-size: 0.9rem;
    font-family: var(--font-mono);
    color: var(--text-primary);
    margin: 0;
}

.toggle-icon {
    font-family: var(--font-mono);
    color: var(--accent-color);
    font-weight: bold;
    transition: transform 0.3s;
}

.tech-card.active .toggle-icon {
    transform: rotate(45deg);
}

/* Tech Content (List) */
.tech-content {
    padding: 15px 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

/* Tech Item (Pills) */
.tech-item {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    background: #111;
    border: 1px solid #444;
    padding: 5px 10px;
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: default;
    position: relative;
    transition: all 0.2s;
}

.tech-item:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    box-shadow: 0 0 8px rgba(0, 255, 0, 0.2);
    transform: translateY(-2px);
}

/* Hover Description (Simple Tooltip) */
.tech-item[data-desc]:hover::after {
    content: attr(data-desc);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-color);
    color: #000;
    padding: 5px 10px;
    border-radius: 3px;
    white-space: nowrap;
    font-size: 0.7rem;
    font-weight: bold;
    z-index: 10;
    pointer-events: none;
    box-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.tech-item.hidden {
    display: none;
}

.tech-card.hidden {
    display: none;
}

/* === PROJECTS === */
.filter-container {
    margin-bottom: 30px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 16px;
    cursor: pointer;
    font-family: var(--font-mono);
    transition: 0.3s;
    text-transform: uppercase;
}

.filter-btn.active, .filter-btn:hover {
    background: var(--accent-color);
    color: #000;
    border-color: var(--accent-color);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.project-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 25px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

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

/* FEATURED PROJECT HIGHLIGHT */
.project-card.featured {
    border: 1px solid var(--accent-color);
    background: linear-gradient(180deg, rgba(0,255,0,0.03) 0%, var(--card-bg) 100%);
}

.project-card .card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.project-card .icon {
    font-size: 1.5rem;
}

.tags {
    margin-top: 15px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag {
    font-size: 0.7rem;
    padding: 3px 8px;
    border-radius: 3px;
    font-family: var(--font-mono);
    border: 1px solid #333;
}

.severity-high { color: #ff3b3b; border-color: #ff3b3b; }
.severity-med { color: #ffbd2e; border-color: #ffbd2e; }
.severity-low { color: #27c93f; border-color: #27c93f; }
.severity-crit { color: #ff00ff; border-color: #ff00ff; }

/* === MODAL === */
.modal {
    display: none; 
    position: fixed; 
    z-index: 2000; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    background-color: rgba(0,0,0,0.8); 
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: #111;
    margin: 10% auto; 
    padding: 30px;
    border: 1px solid var(--accent-color);
    width: 80%; 
    max-width: 600px;
    position: relative;
    font-family: var(--font-mono);
    box-shadow: 0 0 30px rgba(0, 255, 0, 0.2);
}

.close-modal {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close-modal:hover {
    color: var(--accent-color);
}

.modal-meta {
    margin: 15px 0;
    display: flex;
    gap: 10px;
    font-size: 0.8rem;
}

.status-badge { background: #222; padding: 2px 8px; border: 1px solid var(--accent-color); color: var(--accent-color); }
.category-badge { background: #222; padding: 2px 8px; border: 1px solid #666; color: #aaa; }

.modal-body-text ul {
    list-style: square;
    margin-left: 20px;
    margin-bottom: 15px;
    color: var(--text-secondary);
}

.modal-body-text h4 {
    color: var(--accent-color);
    margin-top: 15px;
    margin-bottom: 5px;
    border-bottom: 1px solid #333;
    display: inline-block;
}

.modal-body-text a {
    color: var(--accent-color);
    text-decoration: underline;
}

.impact {
    margin-top: 15px;
    border-left: 3px solid var(--accent-color);
    padding-left: 10px;
    background: rgba(0,255,0,0.05);
    padding: 10px;
}

/* Contact & Platform Links */
.platform-links {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin: 30px 0;
}

.platform-card {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--card-bg);
    padding: 15px 25px;
    border: 1px solid var(--border-color);
}

.platform-card:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.email-box {
    margin-top: 20px;
    font-family: var(--font-mono);
    background: #000;
    padding: 15px;
    border: 1px solid #333;
    display: inline-block;
}

.email-link {
    color: var(--text-primary);
}

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

/* Footer */
footer {
    text-align: center;
    padding: 40px 20px;
    border-top: 1px solid var(--border-color);
    color: #666;
    font-size: 0.9rem;
}

.footer-accent {
    color: var(--accent-color);
    font-family: var(--font-mono);
}

/* Animations */
.hidden {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

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

/* Mobile Responsive */
@media (max-width: 768px) {
    .navbar {
        padding: 20px;
    }
    
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        right: 0;
        width: 100%;
        background: var(--bg-secondary);
        text-align: center;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 20px 0;
    }

    .hamburger {
        display: block;
    }
    
    .bar {
        display: block;
        width: 25px;
        height: 3px;
        margin: 5px auto;
        background-color: var(--text-primary);
    }

    .glitch {
        font-size: 2.5rem;
    }
}