/* ============================================
   PENTEST WARRIOR - CYBERSECURITY PORTFOLIO
   Complete CSS Stylesheet
   Pure CSS - No Frameworks
   ============================================ */

/* CSS Variables */
:root {
    --bg-primary: #050508;
    --bg-secondary: #0a0a12;
    --bg-card: rgba(10, 15, 25, 0.7);
    --bg-glass: rgba(15, 20, 35, 0.6);

    --neon-green: #00ff88;
    --neon-green-dim: rgba(0, 255, 136, 0.3);
    --neon-green-glow: rgba(0, 255, 136, 0.15);

    --neon-blue: #00d4ff;
    --neon-blue-dim: rgba(0, 212, 255, 0.3);
    --neon-blue-glow: rgba(0, 212, 255, 0.15);

    --neon-purple: #a855f7;
    --neon-purple-dim: rgba(168, 85, 247, 0.3);

    --text-primary: #ffffff;
    --text-secondary: #a0a8b8;
    --text-muted: #6b7280;
    --text-accent: #00ff88;

    --border-glow: rgba(0, 255, 136, 0.2);
    --border-subtle: rgba(255, 255, 255, 0.08);

    --font-orbitron: 'Orbitron', sans-serif;
    --font-rajdhani: 'Rajdhani', sans-serif;
    --font-poppins: 'Poppins', sans-serif;
    --font-mono: 'Share Tech Mono', monospace;

    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.6s ease;

    --shadow-glow: 0 0 20px rgba(0, 255, 136, 0.3), 0 0 40px rgba(0, 255, 136, 0.1);
    --shadow-glow-blue: 0 0 20px rgba(0, 212, 255, 0.3), 0 0 40px rgba(0, 212, 255, 0.1);
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-poppins);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--neon-green), var(--neon-blue));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--neon-blue), var(--neon-green));
}

::selection {
    background: var(--neon-green-dim);
    color: var(--text-primary);
}

/* ============================================
   LOADING SCREEN
   ============================================ */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

#loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-container {
    text-align: center;
}

.loader-ring {
    width: 80px;
    height: 80px;
    border: 3px solid transparent;
    border-top-color: var(--neon-green);
    border-right-color: var(--neon-blue);
    border-radius: 50%;
    animation: loaderSpin 1s linear infinite;
    margin: 0 auto 24px;
    position: relative;
}

.loader-ring::before {
    content: '';
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    border: 2px solid transparent;
    border-top-color: var(--neon-purple);
    border-radius: 50%;
    animation: loaderSpin 1.5s linear infinite reverse;
}

.loader-text {
    font-family: var(--font-orbitron);
    font-size: 1.2rem;
    color: var(--neon-green);
    letter-spacing: 4px;
    margin-bottom: 16px;
}

.loader-dots {
    animation: loaderDots 1.5s infinite;
}

.loader-progress {
    width: 250px;
    height: 3px;
    background: rgba(255,255,255,0.1);
    border-radius: 2px;
    margin: 0 auto 12px;
    overflow: hidden;
}

.loader-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--neon-green), var(--neon-blue));
    border-radius: 2px;
    animation: loaderProgress 2s ease forwards;
}

.loader-status {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

@keyframes loaderSpin {
    to { transform: rotate(360deg); }
}

@keyframes loaderDots {
    0%, 20% { opacity: 0; }
    50% { opacity: 1; }
    80%, 100% { opacity: 0; }
}

@keyframes loaderProgress {
    0% { width: 0%; }
    50% { width: 60%; }
    100% { width: 100%; }
}

/* ============================================
   MATRIX RAIN CANVAS
   ============================================ */
#matrix-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.08;
}

/* ============================================
   MOUSE GLOW EFFECT
   ============================================ */
#mouse-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
    opacity: 0;
}

body:hover #mouse-glow {
    opacity: 1;
}

/* ============================================
   SCAN LINES OVERLAY
   ============================================ */
.scan-lines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 255, 136, 0.015) 2px,
        rgba(0, 255, 136, 0.015) 4px
    );
    pointer-events: none;
    z-index: 2;
}

/* ============================================
   GLASS PANEL UTILITY
   ============================================ */
.glass-panel {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    position: relative;
    overflow: hidden;
}

.glass-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-green-dim), transparent);
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--neon-green);
    letter-spacing: 3px;
    margin-bottom: 12px;
    opacity: 0.8;
}

.section-title {
    font-family: var(--font-orbitron);
    font-size: clamp(1.8rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 4px;
    margin-bottom: 16px;
    text-shadow: 0 0 30px var(--neon-green-glow);
}

.section-line {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--neon-green), var(--neon-blue));
    margin: 0 auto;
    border-radius: 2px;
    position: relative;
}

.section-line::before,
.section-line::after {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--neon-green);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--neon-green);
}

.section-line::before { left: -12px; }
.section-line::after { right: -12px; }

/* ============================================
   NAVIGATION
   ============================================ */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition-medium);
    background: transparent;
}

#navbar.scrolled {
    background: rgba(5, 5, 8, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 12px 0;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-orbitron);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.logo-bracket {
    color: var(--neon-green);
    text-shadow: 0 0 10px var(--neon-green);
}

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

.logo-accent {
    color: var(--neon-green);
    text-shadow: 0 0 15px var(--neon-green-dim);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-family: var(--font-rajdhani);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 1px;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--neon-green);
    transition: width var(--transition-fast);
    border-radius: 1px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--neon-green);
    text-shadow: 0 0 10px var(--neon-green-dim);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 60%;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--neon-green);
    border-radius: 2px;
    transition: all var(--transition-fast);
    box-shadow: 0 0 5px var(--neon-green-dim);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-rajdhani);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-decoration: none;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--neon-green), #00cc6a);
    color: var(--bg-primary);
    box-shadow: 0 4px 20px rgba(0, 255, 136, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 255, 136, 0.5), 0 0 60px rgba(0, 255, 136, 0.2);
}

.btn-secondary {
    background: transparent;
    color: var(--neon-green);
    border: 2px solid var(--neon-green);
    box-shadow: 0 0 15px var(--neon-green-glow);
}

.btn-secondary:hover {
    background: var(--neon-green);
    color: var(--bg-primary);
    box-shadow: 0 0 30px var(--neon-green-dim);
    transform: translateY(-3px);
}

.btn-tertiary {
    background: transparent;
    color: var(--neon-blue);
    border: 2px solid var(--neon-blue);
    box-shadow: 0 0 15px var(--neon-blue-glow);
}

.btn-tertiary:hover {
    background: var(--neon-blue);
    color: var(--bg-primary);
    box-shadow: 0 0 30px var(--neon-blue-dim);
    transform: translateY(-3px);
}

.btn-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover .btn-glow {
    left: 100%;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 900px;
    z-index: 10;
}

/* Hero Profile */
.hero-profile {
    position: relative;
    margin-bottom: 32px;
}

.profile-image-container {
    position: relative;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--neon-green);
    box-shadow: 0 0 30px var(--neon-green-dim), inset 0 0 30px rgba(0,0,0,0.5);
    animation: profileFloat 4s ease-in-out infinite;
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-glow {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--neon-green-glow) 0%, transparent 70%);
    animation: profileGlow 3s ease-in-out infinite alternate;
    pointer-events: none;
}

.profile-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid transparent;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.ring-1 {
    width: 240px;
    height: 240px;
    border-color: var(--neon-green-dim);
    animation: ringRotate 10s linear infinite;
}

.ring-2 {
    width: 280px;
    height: 280px;
    border-color: var(--neon-blue-dim);
    animation: ringRotate 15s linear infinite reverse;
}

.ring-3 {
    width: 320px;
    height: 320px;
    border-color: rgba(168, 85, 247, 0.2);
    animation: ringRotate 20s linear infinite;
    border-style: dashed;
}

.status-indicator {
    position: absolute;
    bottom: 10px;
    right: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(0,0,0,0.8);
    padding: 4px 10px;
    border-radius: 20px;
    border: 1px solid var(--neon-green-dim);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--neon-green);
    border-radius: 50%;
    animation: statusPulse 2s ease-in-out infinite;
    box-shadow: 0 0 8px var(--neon-green);
}

.status-text {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--neon-green);
    letter-spacing: 1px;
}

@keyframes profileFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes profileGlow {
    0% { opacity: 0.5; }
    100% { opacity: 1; }
}

@keyframes ringRotate {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

/* Hero Text */
.hero-greeting {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--neon-green);
    letter-spacing: 2px;
    margin-bottom: 12px;
    opacity: 0.8;
}

.hero-name {
    font-family: var(--font-orbitron);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 8px;
}

.name-first {
    display: block;
    color: var(--text-primary);
    text-shadow: 0 0 40px var(--neon-green-glow);
}

.name-last {
    display: block;
    background: linear-gradient(135deg, var(--neon-green), var(--neon-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-brand {
    font-family: var(--font-orbitron);
    font-size: clamp(1rem, 3vw, 1.5rem);
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 3px;
}

.brand-tag {
    color: var(--neon-blue);
}

.brand-name {
    color: var(--text-secondary);
    margin: 0 8px;
}

/* Typing Animation */
.typing-container {
    font-family: var(--font-mono);
    font-size: clamp(0.9rem, 2.5vw, 1.2rem);
    color: var(--neon-green);
    margin-bottom: 32px;
    min-height: 1.6em;
}

.typing-prefix {
    color: var(--neon-blue);
}

.typing-cursor {
    animation: cursorBlink 1s step-end infinite;
    color: var(--neon-green);
}

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

/* Hero CTA */
.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

/* Hero Terminal */
.hero-terminal {
    margin-top: 48px;
    width: 100%;
    max-width: 600px;
    background: rgba(5, 5, 8, 0.9);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5), 0 0 30px var(--neon-green-glow);
    z-index: 10;
}

.terminal-header {
    display: flex;
    align-items: center;
    padding: 10px 16px;
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid var(--border-subtle);
    gap: 12px;
}

.terminal-dots {
    display: flex;
    gap: 6px;
}

.terminal-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.terminal-dots span:nth-child(1) { background: #ff5f56; }
.terminal-dots span:nth-child(2) { background: #ffbd2e; }
.terminal-dots span:nth-child(3) { background: #27c93f; }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    flex: 1;
    text-align: center;
}

.terminal-body {
    padding: 16px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.8;
}

.terminal-line {
    margin-bottom: 4px;
}

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

.terminal-cmd {
    color: var(--text-primary);
}

.terminal-output {
    color: var(--text-secondary);
    padding-left: 20px;
}

.typing-cmd {
    animation: cursorBlink 1s step-end infinite;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 10;
}

.scroll-mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--neon-green);
    border-radius: 12px;
    position: relative;
    opacity: 0.6;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--neon-green);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s ease-in-out infinite;
}

.scroll-text {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 3px;
}

@keyframes scrollWheel {
    0%, 100% { top: 6px; opacity: 1; }
    50% { top: 18px; opacity: 0.3; }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: 100px 24px;
    position: relative;
    z-index: 10;
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
}

.about-image-border {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    border: 2px solid var(--border-subtle);
}

.about-image-glow {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: radial-gradient(circle at 30% 30%, var(--neon-green-glow), transparent 50%),
                radial-gradient(circle at 70% 70%, var(--neon-blue-glow), transparent 50%);
    z-index: -1;
    animation: aboutGlow 4s ease-in-out infinite alternate;
}

.about-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 18px;
}

.about-image-decoration {
    position: absolute;
    top: -15px;
    right: -15px;
    width: 60px;
    height: 60px;
}

.deco-line {
    position: absolute;
    background: var(--neon-green);
    border-radius: 2px;
}

.deco-h {
    width: 40px;
    height: 3px;
    top: 0;
    right: 0;
}

.deco-v {
    width: 3px;
    height: 40px;
    top: 0;
    right: 0;
}

@keyframes aboutGlow {
    0% { opacity: 0.5; }
    100% { opacity: 1; }
}

.about-content {
    position: relative;
}

.about-card {
    padding: 40px;
}

.about-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

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

.card-title {
    font-family: var(--font-orbitron);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--neon-green);
    letter-spacing: 2px;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 0.95rem;
    line-height: 1.8;
}

.about-text .highlight {
    color: var(--neon-green);
    font-weight: 600;
}

.about-mission {
    border-left: 3px solid var(--neon-green);
    padding-left: 16px;
    margin-top: 20px;
    font-style: italic;
    color: var(--text-primary) !important;
}

.about-stats-mini {
    display: flex;
    gap: 32px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border-subtle);
}

.mini-stat {
    text-align: center;
}

.mini-stat-num {
    display: block;
    font-family: var(--font-orbitron);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--neon-green);
    text-shadow: 0 0 15px var(--neon-green-dim);
}

.mini-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

/* ============================================
   SKILLS SECTION
   ============================================ */
.skills {
    padding: 100px 24px;
    position: relative;
    z-index: 10;
}

.skills-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.skill-card {
    padding: 28px;
    transition: all var(--transition-medium);
    position: relative;
}

.skill-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 16px;
    border: 1px solid transparent;
    transition: all var(--transition-medium);
    pointer-events: none;
}

.skill-card:hover::after {
    border-color: var(--neon-green-dim);
    box-shadow: 0 0 30px var(--neon-green-glow), inset 0 0 30px var(--neon-green-glow);
}

.skill-card:hover {
    transform: translateY(-5px);
}

.skill-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
    display: block;
}

.skill-name {
    font-family: var(--font-rajdhani);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.skill-bar-container {
    position: relative;
    height: 8px;
    background: rgba(255,255,255,0.05);
    border-radius: 4px;
    overflow: hidden;
}

.skill-bar {
    height: 100%;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--neon-green), var(--neon-blue));
    width: 0%;
    transition: width 1.5s ease;
    position: relative;
    box-shadow: 0 0 10px var(--neon-green-dim);
}

.skill-bar::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 20px;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3));
    border-radius: 4px;
}

.skill-percent {
    position: absolute;
    right: 0;
    top: -24px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--neon-green);
}

/* ============================================
   CERTIFICATIONS SECTION
   ============================================ */
.certifications {
    padding: 100px 24px;
    position: relative;
    z-index: 10;
}

.certs-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 28px;
}

.cert-card {
    transition: all var(--transition-medium);
    overflow: hidden;
}

.cert-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3), 0 0 40px var(--neon-green-glow);
}

.cert-image-wrapper {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(0,255,136,0.05), rgba(0,212,255,0.05));
    display: flex;
    align-items: center;
    justify-content: center;
}

.cert-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

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

.cert-placeholder {
    background: linear-gradient(135deg, var(--bg-secondary), rgba(0,255,136,0.05));
}

.cert-placeholder-text {
    font-family: var(--font-orbitron);
    font-size: 3rem;
    font-weight: 900;
    color: var(--neon-green);
    opacity: 0.3;
    letter-spacing: 4px;
}

.cert-content {
    padding: 24px;
}

.cert-badge {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.cert-title {
    font-family: var(--font-rajdhani);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
    line-height: 1.4;
}

.cert-org {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--neon-blue);
    background: rgba(0, 212, 255, 0.1);
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.cert-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects {
    padding: 100px 24px;
    position: relative;
    z-index: 10;
}

.projects-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 28px;
}

.project-card {
    transition: all var(--transition-medium);
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3), 0 0 40px var(--neon-blue-glow);
}

.project-image-wrapper {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(0,212,255,0.05), rgba(168,85,247,0.05));
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

.project-card:hover .project-image {
    transform: scale(1.1);
}

.project-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-placeholder-text {
    font-family: var(--font-orbitron);
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--neon-blue);
    opacity: 0.3;
    letter-spacing: 4px;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(5,5,8,0.95) 0%, rgba(5,5,8,0.7) 50%, transparent 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

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

.project-overlay-content {
    text-align: center;
}

.project-status {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--neon-green);
    background: rgba(0, 255, 136, 0.1);
    padding: 4px 12px;
    border-radius: 4px;
    margin-bottom: 12px;
    letter-spacing: 2px;
    border: 1px solid var(--neon-green-dim);
}

.project-btn {
    display: inline-block;
    padding: 10px 24px;
    background: var(--neon-green);
    color: var(--bg-primary);
    font-family: var(--font-rajdhani);
    font-weight: 700;
    font-size: 0.85rem;
    text-decoration: none;
    border-radius: 8px;
    letter-spacing: 1px;
    transition: all var(--transition-fast);
}

.project-btn:hover {
    box-shadow: 0 0 20px var(--neon-green-dim);
    transform: scale(1.05);
}

.project-info {
    padding: 24px;
}

.project-title {
    font-family: var(--font-rajdhani);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.4;
}

.project-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--neon-blue);
    background: rgba(0, 212, 255, 0.08);
    padding: 4px 10px;
    border-radius: 4px;
    border: 1px solid rgba(0, 212, 255, 0.15);
    letter-spacing: 0.5px;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
    padding: 100px 24px;
    position: relative;
    z-index: 10;
}

.services-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 28px;
}

.service-card {
    padding: 36px 28px;
    transition: all var(--transition-medium);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3), 0 0 40px var(--neon-green-glow);
}

.service-icon-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
}

.service-icon {
    font-size: 3rem;
    display: block;
    position: relative;
    z-index: 2;
}

.service-icon-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, var(--neon-green-glow), transparent 70%);
    border-radius: 50%;
    z-index: 1;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.service-card:hover .service-icon-glow {
    opacity: 1;
}

.service-title {
    font-family: var(--font-rajdhani);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.service-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.service-features {
    list-style: none;
    text-align: left;
}

.service-features li {
    font-size: 0.8rem;
    color: var(--text-muted);
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
    border-bottom: 1px solid var(--border-subtle);
}

.service-features li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--neon-green);
}

.service-features li:last-child {
    border-bottom: none;
}

/* ============================================
   TEACHING SECTION
   ============================================ */
.teaching {
    padding: 100px 24px;
    position: relative;
    z-index: 10;
}

.teaching-container {
    max-width: 1000px;
    margin: 0 auto;
}

.teaching-intro {
    margin-bottom: 60px;
}

.teaching-intro-card {
    padding: 40px;
    text-align: center;
}

.teaching-intro-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.teaching-intro-title {
    font-family: var(--font-orbitron);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.teaching-intro-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Timeline */
.teaching-timeline {
    position: relative;
    padding-left: 40px;
}

.timeline-line {
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--neon-green), var(--neon-blue), var(--neon-purple));
    border-radius: 1px;
}

.timeline-item {
    position: relative;
    margin-bottom: 32px;
}

.timeline-dot {
    position: absolute;
    left: -34px;
    top: 20px;
    width: 16px;
    height: 16px;
    background: var(--bg-primary);
    border: 3px solid var(--neon-green);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--neon-green-dim);
    z-index: 2;
}

.timeline-card {
    padding: 28px;
    transition: all var(--transition-medium);
}

.timeline-card:hover {
    transform: translateX(8px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3), 0 0 30px var(--neon-green-glow);
}

.timeline-icon {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.timeline-title {
    font-family: var(--font-rajdhani);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.timeline-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================
   STATS SECTION
   ============================================ */
.stats {
    padding: 80px 24px;
    position: relative;
    z-index: 10;
    overflow: hidden;
}

.stats-bg-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0, 255, 136, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 136, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
}

.stats-container {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
    z-index: 2;
}

.stat-item {
    text-align: center;
    padding: 32px 16px;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    transition: all var(--transition-medium);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3), 0 0 30px var(--neon-green-glow);
    border-color: var(--neon-green-dim);
}

.stat-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.stat-number {
    font-family: var(--font-orbitron);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 900;
    color: var(--neon-green);
    text-shadow: 0 0 20px var(--neon-green-dim);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-family: var(--font-rajdhani);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: 100px 24px;
    position: relative;
    z-index: 10;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    align-items: start;
}

.contact-info-card {
    padding: 40px;
    height: 100%;
}

.contact-info-title {
    font-family: var(--font-orbitron);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: 1px;
    line-height: 1.4;
}

.contact-info-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
}

.contact-methods {
    margin-bottom: 32px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid var(--border-subtle);
}

.contact-method:last-child {
    border-bottom: none;
}

.contact-method-icon {
    font-size: 1.5rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 255, 136, 0.05);
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
}

.contact-method-details {
    display: flex;
    flex-direction: column;
}

.contact-method-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin-bottom: 2px;
}

.contact-method-value {
    font-size: 0.9rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-method-value:hover {
    color: var(--neon-green);
}

.contact-social {
    display: flex;
    gap: 12px;
}

.social-btn {
    position: relative;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    text-decoration: none;
    transition: all var(--transition-fast);
    overflow: visible;
}

.social-btn:hover {
    border-color: var(--neon-green);
    box-shadow: 0 0 20px var(--neon-green-glow);
    transform: translateY(-3px);
}

.social-icon {
    font-size: 1.3rem;
}

.social-tooltip {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(5px);
    background: var(--bg-secondary);
    color: var(--neon-green);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 4px 10px;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    border: 1px solid var(--border-subtle);
}

.social-btn:hover .social-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* Contact Form */
.contact-form {
    padding: 40px;
}

.form-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
}

.form-icon {
    font-size: 1.5rem;
}

.form-title {
    font-family: var(--font-orbitron);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--neon-green);
    letter-spacing: 2px;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-rajdhani);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.form-label-icon {
    font-size: 0.9rem;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: var(--font-poppins);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-muted);
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--neon-green);
    box-shadow: 0 0 15px var(--neon-green-glow);
    background: rgba(0, 255, 136, 0.03);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    width: 100%;
    justify-content: center;
    margin-top: 8px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 60px 24px 24px;
    position: relative;
    z-index: 10;
    border-top: 1px solid var(--border-subtle);
    overflow: hidden;
}

.footer-glow {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-green), var(--neon-blue), transparent);
    box-shadow: 0 0 30px var(--neon-green-dim);
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.footer-brand {
    font-family: var(--font-orbitron);
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 12px;
}

.footer-logo-bracket {
    color: var(--neon-green);
}

.footer-logo-text {
    color: var(--text-primary);
}

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

.footer-tagline {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-style: italic;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 32px;
}

.footer-social-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: 50%;
    text-decoration: none;
    font-size: 1.2rem;
    transition: all var(--transition-fast);
}

.footer-social-btn:hover {
    border-color: var(--neon-green);
    box-shadow: 0 0 20px var(--neon-green-glow);
    transform: translateY(-3px) scale(1.1);
}

.footer-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-subtle), transparent);
    margin-bottom: 20px;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.footer-copyright {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-copyright strong {
    color: var(--neon-green);
}

.footer-credit {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    opacity: 0.6;
}

/* ============================================
   BACK TO TOP BUTTON
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--bg-glass);
    border: 2px solid var(--neon-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-medium);
    backdrop-filter: blur(10px);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--neon-green);
    box-shadow: 0 0 30px var(--neon-green-dim);
    transform: translateY(-3px);
}

.back-to-top-icon {
    font-size: 1.2rem;
    color: var(--neon-green);
    font-weight: bold;
    transition: color var(--transition-fast);
}

.back-to-top:hover .back-to-top-icon {
    color: var(--bg-primary);
}

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 0;
    transition: all 0.8s ease;
}

.reveal-up {
    transform: translateY(40px);
}

.reveal-left {
    transform: translateX(-40px);
}

.reveal-right {
    transform: translateX(40px);
}

.reveal-up.revealed,
.reveal-left.revealed,
.reveal-right.revealed {
    opacity: 1;
    transform: translate(0);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .about-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image-wrapper {
        max-width: 400px;
        margin: 0 auto;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }

    .stats-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(5, 5, 8, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 32px 32px;
        gap: 4px;
        transition: right var(--transition-medium);
        border-left: 1px solid var(--border-subtle);
        z-index: 999;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-link {
        width: 100%;
        padding: 12px 16px;
        font-size: 1rem;
    }

    .hamburger {
        display: flex;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .hero-terminal {
        display: none;
    }

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

    .certs-grid,
    .projects-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }

    .stats-container {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .stat-item {
        padding: 24px 12px;
    }

    .about-stats-mini {
        flex-direction: column;
        gap: 16px;
    }

    .teaching-timeline {
        padding-left: 30px;
    }

    .timeline-dot {
        left: -28px;
        width: 14px;
        height: 14px;
    }

    .timeline-line {
        left: 8px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 16px 60px;
    }

    .profile-image-container {
        width: 160px;
        height: 160px;
    }

    .ring-1 { width: 200px; height: 200px; }
    .ring-2 { width: 230px; height: 230px; }
    .ring-3 { width: 260px; height: 260px; }

    .about,
    .skills,
    .certifications,
    .projects,
    .services,
    .teaching,
    .contact {
        padding: 60px 16px;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .about-card,
    .contact-form,
    .contact-info-card {
        padding: 24px;
    }

    .stats-container {
        grid-template-columns: 1fr;
    }

    .footer-brand {
        font-size: 1rem;
    }
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    #matrix-canvas,
    #mouse-glow,
    .scan-lines,
    #loading-screen,
    .scroll-indicator,
    .back-to-top,
    #navbar {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .glass-panel {
        background: white;
        border: 1px solid #ccc;
    }
}