:root {
    --bg-color: #050608;
    --bg-darker: #020304;
    --primary: #00ff88;
    --secondary: #00d4ff;
    --text-main: #e2e8f0;
    --text-muted: #94a3b8;
    --card-bg: rgba(10, 15, 20, 0.6);
    --border-color: rgba(0, 255, 136, 0.2);
    --font-heading: 'Fira Code', monospace;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
    cursor: crosshair;
}

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

/* Typography styles */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
}

.bg-darker {
    background-color: var(--bg-darker);
}

/* Blinking cursor glow effect on mouse move (handled by JS) */
.cursor-glow {
    position: fixed;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0,255,136,0.08) 0%, rgba(0,0,0,0) 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 9999;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(5, 6, 8, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
}

.logo span:not(.blink) {
    color: var(--primary);
}

.logo .blink {
    color: var(--primary);
    animation: blinker 1s linear infinite;
}

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

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

.nav-links li a {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}

.nav-links li a::before {
    content: '>';
    position: absolute;
    left: -15px;
    color: var(--primary);
    opacity: 0;
    transition: var(--transition);
}

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

.nav-links li a:hover::before {
    opacity: 1;
    left: -12px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    border-radius: 4px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.primary-btn {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.2);
}

.primary-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--primary);
    transition: var(--transition);
    z-index: -1;
}

.primary-btn:hover {
    color: var(--bg-color);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.6);
}

.primary-btn:hover::before {
    left: 0;
}

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

.secondary-btn:hover {
    background: rgba(0, 212, 255, 0.1);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.4);
}

.btn-full {
    width: 100%;
    text-align: center;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 5rem;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
    mix-blend-mode: screen;
}

.hero-bg .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(5,6,8,0.3) 0%, rgba(5,6,8,1) 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: var(--primary);
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
}

.hero-text .subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 500px;
}

.terminal-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5), 0 0 15px rgba(0, 255, 136, 0.1);
    backdrop-filter: blur(5px);
}

.terminal-header {
    background: rgba(0,0,0,0.5);
    padding: 0.8rem 1rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 8px;
}

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

.terminal-header .title {
    margin-left: auto;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.terminal-body {
    padding: 1.5rem;
    min-height: 250px;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--primary);
    line-height: 1.5;
}

/* About Section */
.about-flex {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: center;
}

.section h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

.section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60%;
    height: 2px;
    background: var(--primary);
    box-shadow: 0 0 10px var(--primary);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.interests {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.interests li {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
}

.interests .arrow {
    color: var(--primary);
    margin-right: 10px;
}

.glitch-wrapper {
    position: relative;
    border: 1px solid var(--border-color);
    padding: 10px;
    border-radius: 8px;
    background: var(--card-bg);
}

.glitch-wrapper img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    display: block;
    filter: grayscale(20%) contrast(120%);
    transition: var(--transition);
}

.glitch-wrapper::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    border: 2px solid var(--primary);
    z-index: -1;
    transform: translate(-10px, 10px);
    opacity: 0.3;
    border-radius: 8px;
    transition: var(--transition);
}

.glitch-wrapper:hover img {
    filter: grayscale(0%) contrast(100%);
}

.glitch-wrapper:hover::before {
    transform: translate(0, 0);
    opacity: 1;
}

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

.skill-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
}

.skill-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.1);
}

.skill-card h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}

.progress {
    height: 100%;
    background: var(--primary);
    width: 0; /* Animated via JS */
    box-shadow: 0 0 10px var(--primary);
    position: relative;
    transition: width 1.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* About Badges */
.about-badges {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.badge {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    letter-spacing: 1px;
}

.badge-cyber {
    background: rgba(0, 255, 136, 0.1);
    color: var(--primary);
    border: 1px solid rgba(0, 255, 136, 0.4);
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.15);
}

.badge-web {
    background: rgba(0, 212, 255, 0.1);
    color: var(--secondary);
    border: 1px solid rgba(0, 212, 255, 0.4);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.15);
}

/* Project Filters */
.project-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    padding: 0.6rem 1.5rem;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    letter-spacing: 1px;
    transition: var(--transition);
    text-transform: uppercase;
}

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

.filter-btn.active {
    background: rgba(0, 255, 136, 0.1);
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.2);
}

.filter-btn[data-filter="web"].active {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--secondary);
    color: var(--secondary);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.2);
}

/* Project Category Tag */
.project-tag {
    position: absolute;
    top: 1rem;
    left: 1rem;
    font-family: var(--font-heading);
    font-size: 0.7rem;
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    letter-spacing: 1px;
    z-index: 5;
    text-transform: uppercase;
}

.tag-cyber {
    background: rgba(0, 255, 136, 0.15);
    color: var(--primary);
    border: 1px solid rgba(0, 255, 136, 0.4);
    backdrop-filter: blur(4px);
}

.tag-web {
    background: rgba(0, 212, 255, 0.15);
    color: var(--secondary);
    border: 1px solid rgba(0, 212, 255, 0.4);
    backdrop-filter: blur(4px);
}

/* Tech Stack Pills */
.tech-stack {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.tech {
    font-family: var(--font-heading);
    font-size: 0.7rem;
    padding: 0.25rem 0.65rem;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    border: 1px solid rgba(255, 255, 255, 0.1);
    letter-spacing: 0.5px;
}

/* Web project button accent */
.web-btn {
    color: var(--secondary) !important;
    border-color: var(--secondary) !important;
}

.web-btn:hover {
    background: rgba(0, 212, 255, 0.1) !important;
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.4) !important;
}

/* Hidden project card (used during filtering) */
.project-card.hidden {
    display: none;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.project-card {
    background: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 255, 136, 0.15);
}

.project-image {
    width: 100%;
    height: 200px;
    position: relative;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to bottom, transparent, var(--bg-darker));
    opacity: 0.8;
}

.project-info {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.category {
    font-family: var(--font-heading);
    color: var(--primary);
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
    display: block;
}

.project-info h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.project-info p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    flex-grow: 1;
}

/* Footer / Contact */
.footer {
    background: var(--bg-darker);
    padding: 6rem 0 3rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer .container {
    max-width: 800px;
    text-align: center;
}

.footer h2::after {
    left: 50%;
    transform: translateX(-50%);
}

.footer p {
    color: var(--text-muted);
    margin-bottom: 3rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.input-group {
    position: relative;
    width: 100%;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    background: rgba(10, 15, 20, 0.8);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 1rem;
    color: var(--text-main);
    font-family: var(--font-heading);
    border-radius: 4px;
    outline: none;
    transition: var(--transition);
}

.focus-border {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: 0.4s;
}

.contact-form input:focus ~ .focus-border,
.contact-form textarea:focus ~ .focus-border {
    width: 100%;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
}

.social-icon {
    font-family: var(--font-heading);
    color: var(--text-muted);
    font-size: 1.1rem;
}

.social-icon:hover {
    color: var(--primary);
    text-shadow: 0 0 10px var(--primary);
}

.copyright {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: rgba(148, 163, 184, 0.5) !important;
    margin-bottom: 0 !important;
}

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

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

.reveal-delay-1 { transition-delay: 0.2s; }
.reveal-delay-2 { transition-delay: 0.4s; }

/* Responsive adjustments */
@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(10, 15, 20, 0.95);
        flex-direction: column;
        align-items: center;
        padding: 2rem 0;
        gap: 1.5rem;
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-150%);
        transition: transform 0.3s ease-in-out;
        z-index: -1;
    }
    
    .nav-links.active {
        transform: translateY(0);
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-content, .about-flex {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .section {
        padding: 4rem 0;
    }
}