/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

:root {
    --primary-color: #00f3ff;
    --secondary-color: #ff00ff;
    --accent-color: #00ff9d;
    --bg-color: #0a0a0a;
    --text-color: #ffffff;
    --terminal-bg: rgba(0, 0, 0, 0.8);
    --neon-glow: 0 0 10px var(--primary-color),
                 0 0 20px var(--primary-color),
                 0 0 30px var(--primary-color);
    --transition: all 0.3s ease;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', 'Monaco', monospace;
    --font-display: 'Orbitron', 'Arial Black', sans-serif;
}

/* Fallback for browsers without CSS variables */
.no-css-vars {
    --primary-color: #00f3ff;
    --secondary-color: #ff00ff;
    --accent-color: #00ff9d;
    --bg-color: #0a0a0a;
    --text-color: #ffffff;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-mono);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Matrix Background Animation */
.matrix-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(0deg, rgba(10,10,10,0.9) 0%, rgba(0,0,0,0.9) 100%);
    z-index: -2;
    opacity: 0.3;
    pointer-events: none;
}

/* Cyber Globe Animation */
.cyber-globe {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: min(500px, 80vw);
    height: min(500px, 80vw);
    background: radial-gradient(circle, rgba(0,243,255,0.1) 0%, rgba(0,0,0,0) 70%);
    border-radius: 50%;
    z-index: -1;
    animation: pulse 4s infinite;
    pointer-events: none;
}

@keyframes pulse {
    0% { transform: translate(-50%, -50%) scale(1); opacity: 0.3; }
    50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.5; }
    100% { transform: translate(-50%, -50%) scale(1); opacity: 0.3; }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.8);
    padding: 1rem clamp(1rem, 5vw, 2rem);
    display: flex;
    justify-content: flex-end;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--primary-color);
    box-shadow: var(--neon-glow);
}

.nav-brand {
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 4vw, 1.5rem);
    font-weight: bold;
    color: var(--primary-color);
    text-shadow: var(--neon-glow);
    cursor: pointer;
    transition: var(--transition);
    margin-right: auto;
}

.nav-brand:hover {
    color: var(--accent-color);
    text-shadow: 0 0 20px var(--accent-color), 0 0 40px var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: clamp(1rem, 3vw, 2rem);
    justify-content: flex-end;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--primary-color) !important;
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
    opacity: 1 !important;
    font-size: clamp(0.9rem, 2vw, 1rem);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link:focus {
    color: var(--accent-color) !important;
    text-shadow: 0 0 10px var(--accent-color), 0 0 20px var(--accent-color);
    opacity: 1 !important;
}

.nav-link:hover::after,
.nav-link:focus::after {
    width: 100%;
    box-shadow: 0 0 10px var(--accent-color), 0 0 20px var(--accent-color);
}

.nav-link.active {
    color: var(--primary-color);
    opacity: 1;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: clamp(70px, 10vw, 90px) clamp(1rem, 5vw, 2rem) 4rem;
    width: 100%;
    box-sizing: border-box;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 100%;
}

.terminal-container {
    width: 100%;
    max-width: min(900px, 95vw);
    border-radius: 10px;
    background: var(--terminal-bg);
    border: 1.5px solid var(--primary-color);
    box-shadow: 0 0 32px 4px var(--primary-color), 0 0 8px 2px var(--primary-color), 0 0 0 2px var(--primary-color) inset;
    overflow: hidden;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
}

.terminal-header {
    display: flex;
    align-items: center;
    background: #232323;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    padding: 0.6rem 1.2rem;
    border-bottom: 2px solid #00f3ff;
    box-shadow: 0 2px 16px 0 rgba(0,255,255,0.08);
    position: relative;
}

.terminal-controls {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-right: 1.2rem;
}

.control {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 0.3rem;
    border: 1.5px solid rgba(0,0,0,0.15);
    background: #444;
    box-shadow: 0 0 2px #000a;
}

.control.close {
    background: #ff5f56;
    border-color: #e0443e;
}

.control.minimize {
    background: #ffbd2e;
    border-color: #dea123;
}

.control.maximize {
    background: #27c93f;
    border-color: #13a10e;
}

.terminal-title {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 1rem;
    color: #00f3ff;
    opacity: 0.85;
    margin-left: 0.5rem;
    letter-spacing: 0.5px;
    user-select: none;
    white-space: nowrap;
}

.terminal-body {
    padding: clamp(1rem, 3vw, 2rem);
    min-height: 200px;
    background: #181a1b;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
    overflow-x: auto;
    width: 100%;
    -webkit-overflow-scrolling: touch;
}

.terminal-screen {
    font-family: var(--font-mono);
    color: #fff;
    font-size: clamp(0.9rem, 2vw, 1.15rem);
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-word;
}

.prompt {
    color: #00f3ff;
    font-weight: bold;
}

.user {
    color: #ff5f56;
}

.host {
    color: #ffbd2e;
}

.output {
    color: #baffc9;
    margin-left: 1.5em;
    display: block;
}

.typewriter {
    color: var(--primary-color);
    font-size: 1.5rem;
    line-height: 1.5;
    text-shadow: var(--neon-glow);
}

/* About Section */
.about {
    padding: 5rem 2rem;
    position: relative;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.about-image {
    position: relative;
}

.cyber-portrait {
    width: 100%;
    height: 400px;
    background: url('../Image/profile-img.png') center/cover;
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}

.neon-border {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    box-shadow: var(--neon-glow);
    animation: border-pulse 2s infinite;
}

@keyframes border-pulse {
    0% { box-shadow: var(--neon-glow); }
    50% { box-shadow: 0 0 20px var(--primary-color); }
    100% { box-shadow: var(--neon-glow); }
}

.about-text h2 {
    font-family: 'Orbitron', sans-serif;
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-shadow: var(--neon-glow);
}

.terminal-logs {
    margin-top: 2rem;
    background: var(--terminal-bg);
    padding: 1rem;
    border-radius: 5px;
    border: 1px solid var(--primary-color);
}

.log-entry {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-family: 'JetBrains Mono', monospace;
}

/* Skills Section */
.skills {
    padding: 5rem 2rem;
    background: rgba(0, 0, 0, 0.5);
}

.skills h2 {
    text-align: center;
    font-family: 'Orbitron', sans-serif;
    color: var(--primary-color);
    margin-bottom: 3rem;
    text-shadow: 0 0 20px var(--primary-color), 0 0 40px var(--primary-color), 0 0 60px var(--secondary-color);
    cursor: pointer;
    transition: text-shadow 0.3s, color 0.3s;
}

.skills h2:hover {
    color: var(--accent-color);
    text-shadow: 0 0 40px var(--accent-color), 0 0 80px var(--primary-color), 0 0 100px var(--secondary-color);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.skill-category {
    background: var(--terminal-bg);
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid var(--primary-color);
    box-shadow: var(--neon-glow);
}

.skill-category h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-family: 'Orbitron', sans-serif;
}

.skill-item {
    margin-bottom: 1.5rem;
}

.skill-bar {
    width: 100%;
    height: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    overflow: hidden;
    margin-top: 0.5rem;
}

.skill-progress {
    height: 100%;
    background: var(--primary-color);
    box-shadow: var(--neon-glow);
    transition: width 1s ease-in-out;
}

/* Projects Section */
.projects {
    padding: 5rem 2rem;
}

.projects h2 {
    text-align: center;
    font-family: 'Orbitron', sans-serif;
    color: var(--primary-color);
    margin-bottom: 3rem;
    text-shadow: 0 0 20px var(--primary-color), 0 0 40px var(--primary-color), 0 0 60px var(--secondary-color);
    cursor: pointer;
    transition: text-shadow 0.3s, color 0.3s;
}

.projects h2:hover {
    color: var(--accent-color);
    text-shadow: 0 0 40px var(--accent-color), 0 0 80px var(--primary-color), 0 0 100px var(--secondary-color);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.project-card {
    background: var(--terminal-bg);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--primary-color);
    transition: var(--transition);
    position: relative;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--neon-glow);
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-family: 'Orbitron', sans-serif;
}

.tech-stack {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin: 1rem 0;
}

.tech-stack span {
    background: rgba(0, 243, 255, 0.1);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--primary-color);
}

.github-link {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    color: var(--primary-color);
    font-size: 1.5rem;
    transition: var(--transition);
}

.github-link:hover {
    transform: scale(1.2);
    text-shadow: var(--neon-glow);
}

/* CTF Section */
.ctf {
    padding: 5rem 2rem;
    background: rgba(0, 0, 0, 0.5);
}

.ctf h2 {
    text-align: center;
    font-family: 'Orbitron', sans-serif;
    color: var(--primary-color);
    margin-bottom: 3rem;
    text-shadow: 0 0 20px var(--primary-color), 0 0 40px var(--primary-color), 0 0 60px var(--secondary-color);
    cursor: pointer;
    transition: text-shadow 0.3s, color 0.3s;
}

.ctf h2:hover {
    color: var(--accent-color);
    text-shadow: 0 0 40px var(--accent-color), 0 0 80px var(--primary-color), 0 0 100px var(--secondary-color);
}

.leaderboard {
    max-width: 800px;
    margin: 0 auto;
    background: var(--terminal-bg);
    border-radius: 10px;
    border: 1px solid var(--primary-color);
    box-shadow: var(--neon-glow);
    overflow: hidden;
}

.leaderboard-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.5);
    border-bottom: 1px solid var(--primary-color);
    font-weight: bold;
}

.leaderboard-entry {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    padding: 1rem;
    border-bottom: 1px solid rgba(0, 243, 255, 0.1);
    transition: var(--transition);
}

.leaderboard-entry:hover {
    background: rgba(0, 243, 255, 0.1);
}

/* Footer */
footer {
    padding: 2rem;
    background: rgba(0, 0, 0, 0.8);
    text-align: center;
    border-top: 1px solid var(--primary-color);
}

.terminal-footer {
    max-width: 600px;
    margin: 0 auto;
}

.terminal-footer p {
    color: var(--primary-color);
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 1rem;
    text-shadow: var(--neon-glow);
}

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

.social-links a {
    color: var(--primary-color);
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-links a:hover {
    transform: translateY(-5px);
    text-shadow: var(--neon-glow);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(10, 10, 10, 0.95);
        flex-direction: column;
        justify-content: flex-start;
        padding: 2rem;
        transition: var(--transition);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }

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

    .hamburger {
        display: block;
        cursor: pointer;
        z-index: 1001;
    }

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

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

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .skills-grid, .project-grid {
        grid-template-columns: 1fr;
    }

    .leaderboard {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .leaderboard-header, .leaderboard-entry {
        min-width: 600px;
    }
}

@media (max-width: 480px) {
    .terminal-container {
        border-radius: 8px;
    }

    .terminal-header, .terminal-body {
        border-radius: 0;
    }

    .terminal-header {
        border-top-left-radius: 8px;
        border-top-right-radius: 8px;
    }

    .terminal-body {
        border-bottom-left-radius: 8px;
        border-bottom-right-radius: 8px;
        padding: 1rem;
    }
}

/* Touch device optimizations */
@media (hover: none) {
    .nav-link:hover::after,
    .nav-link:focus::after {
        width: 0;
    }

    .nav-link:active::after {
        width: 100%;
    }

    .project-card:hover {
        transform: none;
    }

    .github-link:hover {
        transform: none;
    }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #00ffff;
        --secondary-color: #ff00ff;
        --accent-color: #00ff00;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #0a0a0a;
        --text-color: #ffffff;
    }
}

/* Print styles */
@media print {
    .matrix-bg, .cyber-globe, .navbar, .glitch-btn {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    .terminal-container {
        border: 1px solid black;
        box-shadow: none;
    }
}