/* ========================================
   Portfolio Website - Main Stylesheet
   Theme: Matrix Dark with Green Accents
   ======================================== */

/* ===== CSS Variables ===== */
:root {
    /* Primary Colors - Matrix Theme */
    --color-primary: #00ff41;
    --color-primary-dark: #00cc33;
    --color-primary-light: #33ff66;
    --color-primary-glow: rgba(0, 255, 65, 0.5);
    
    /* Background Colors - Dark Theme */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #111111;
    --color-bg-tertiary: #1a1a1a;
    --color-bg-card: #151515;
    --color-bg-hover: #202020;
    
    /* Text Colors */
    --color-text-primary: #e0e0e0;
    --color-text-secondary: #a0a0a0;
    --color-text-muted: #666666;
    --color-text-light: #ffffff;
    
    /* Accent Colors */
    --color-accent-cyan: #00d4ff;
    --color-accent-purple: #9945ff;
    --color-accent-orange: #ff6b35;
    --color-accent-red: #ff3333;
    --color-accent-yellow: #ffd700;
    
    /* Borders & Shadows */
    --color-border: #2a2a2a;
    --color-border-light: #333333;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--color-primary-glow);
    
    /* Typography */
    --font-matrix: 'Share Tech Mono', monospace;
    --font-heading: 'Rajdhani', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
    --spacing-2xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 50%;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

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

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

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

/* Matrix Background Canvas */
#matrix-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.08;
    pointer-events: none;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
}

/* Matrix-style text effect */
.matrix-text {
    font-family: var(--font-matrix);
    color: var(--color-primary);
    text-shadow: 
        0 0 5px var(--color-primary-glow),
        0 0 10px var(--color-primary-glow),
        0 0 20px var(--color-primary-glow);
    letter-spacing: 0.05em;
}

/* Glitch text effect */
.glitch-text {
    position: relative;
}

.glitch-text::before,
.glitch-text::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch-text::before {
    animation: glitch-1 2s infinite;
    color: var(--color-accent-cyan);
    z-index: -1;
}

.glitch-text::after {
    animation: glitch-2 2s infinite;
    color: var(--color-accent-purple);
    z-index: -2;
}

@keyframes glitch-1 {
    0%, 100% { clip-path: inset(0 0 0 0); transform: translate(0); }
    20% { clip-path: inset(20% 0 60% 0); transform: translate(-2px, 2px); }
    40% { clip-path: inset(40% 0 40% 0); transform: translate(2px, -2px); }
    60% { clip-path: inset(60% 0 20% 0); transform: translate(-2px, 2px); }
    80% { clip-path: inset(80% 0 0% 0); transform: translate(2px, -2px); }
}

@keyframes glitch-2 {
    0%, 100% { clip-path: inset(0 0 0 0); transform: translate(0); }
    20% { clip-path: inset(60% 0 20% 0); transform: translate(2px, -2px); }
    40% { clip-path: inset(20% 0 60% 0); transform: translate(-2px, 2px); }
    60% { clip-path: inset(80% 0 0% 0); transform: translate(2px, -2px); }
    80% { clip-path: inset(40% 0 40% 0); transform: translate(-2px, 2px); }
}

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

a:hover {
    color: var(--color-primary-light);
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.875rem 1.75rem;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-bg-primary);
    box-shadow: 0 4px 15px rgba(0, 255, 65, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 255, 65, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background: rgba(0, 255, 65, 0.1);
    transform: translateY(-2px);
}

.btn-icon {
    font-size: 0.9em;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition-normal);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
    padding: 0.75rem 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
}

.logo-bracket {
    color: var(--color-primary);
    font-weight: 400;
}

.logo-text {
    color: var(--color-text-light);
    margin: 0 0.1rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

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

.nav-toggle {
    display: none;
    width: 30px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    position: relative;
    z-index: 1001;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    width: 100%;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: var(--transition-normal);
    position: absolute;
}

.hamburger {
    top: 50%;
    transform: translateY(-50%);
}

.hamburger::before,
.hamburger::after {
    content: '';
    left: 0;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 6rem 0 4rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 255, 65, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.hero-greeting {
    font-family: var(--font-matrix);
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
}

.hero-name {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.cursor {
    animation: blink 1s infinite;
    margin-left: 0.25rem;
}

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

.hero-titles {
    font-family: var(--font-matrix);
    font-size: 1.5rem;
    height: 2.5rem;
    margin-bottom: 1.5rem;
}

.title-wrapper {
    display: flex;
    align-items: center;
}

.title-text {
    color: var(--color-accent-cyan);
}

.title-cursor {
    animation: blink 0.7s infinite;
    color: var(--color-primary);
}

.hero-tagline {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.hero-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: 1.2rem;
    transition: var(--transition-normal);
}

.social-link:hover {
    background: var(--color-primary);
    color: var(--color-bg-primary);
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

/* Terminal Window */
.hero-visual {
    display: flex;
    justify-content: center;
    perspective: 1000px;
}

.terminal-window {
    width: 100%;
    max-width: 500px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transform: rotateY(-5deg) rotateX(5deg);
    transition: var(--transition-normal);
}

.terminal-window:hover {
    transform: rotateY(0deg) rotateX(0deg);
}

.terminal-header {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border);
    gap: 0.5rem;
}

.terminal-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-btn.red { background: #ff5f56; }
.terminal-btn.yellow { background: #ffbd2e; }
.terminal-btn.green { background: #27c93f; }

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

.terminal-body {
    padding: 1.5rem;
    font-family: var(--font-matrix);
    font-size: 0.9rem;
    min-height: 300px;
}

.terminal-line {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.prompt {
    color: var(--color-primary);
    margin-right: 0.75rem;
}

.command {
    color: var(--color-text-light);
}

.terminal-output {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.terminal-output .highlight {
    color: var(--color-primary);
}

.terminal-output .info {
    color: var(--color-accent-cyan);
}

.terminal-output .warning {
    color: var(--color-accent-yellow);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--color-text-muted);
    animation: bounce 2s infinite;
}

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid var(--color-border-light);
    border-radius: 20px;
    position: relative;
    margin-bottom: 0.5rem;
}

.wheel {
    width: 4px;
    height: 10px;
    background: var(--color-primary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

.scroll-text {
    font-family: var(--font-matrix);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

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

@keyframes scroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(15px); }
}

/* ===== Sections ===== */
.section {
    padding: var(--spacing-2xl) 0;
    position: relative;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.title-decoration {
    opacity: 0.7;
}

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

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    width: 100%;
    max-width: 350px;
    aspect-ratio: 1;
    margin: 0 auto;
}

.image-frame {
    position: absolute;
    inset: 0;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-lg);
    transform: translate(15px, 15px);
}

.profile-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    font-size: 6rem;
    color: var(--color-primary);
    position: relative;
    overflow: hidden;
}

.image-glitch {
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent 40%, rgba(0, 255, 65, 0.1) 50%, transparent 60%);
    animation: glitch-shine 3s infinite;
    pointer-events: none;
}

@keyframes glitch-shine {
    0%, 100% { transform: translateX(-100%); }
    50% { transform: translateX(100%); }
}

.about-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--color-text-light);
}

.about-subtitle .highlight {
    color: var(--color-primary);
    font-weight: 600;
}

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

.about-bio {
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
    white-space: pre-line;
}

.about-details {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-text-secondary);
}

.detail-item i {
    color: var(--color-primary);
    font-size: 1.1rem;
}

/* ===== Skills Section ===== */
.skills {
    background: var(--color-bg-secondary);
}

.skills-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tab-btn:hover,
.tab-btn.active {
    background: var(--color-primary);
    color: var(--color-bg-primary);
    border-color: var(--color-primary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.5rem;
}

.skill-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent-cyan));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-normal);
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.skill-card:hover::before {
    transform: scaleX(1);
}

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

.skill-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
    font-size: 1.5rem;
    color: var(--color-primary);
}

.skill-name {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-text-light);
}

.skill-bar {
    width: 100%;
    height: 6px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent-cyan));
    border-radius: var(--radius-sm);
    width: var(--progress);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 1s ease-out;
}

.skill-card.animate .skill-progress {
    transform: scaleX(1);
}

.skill-percentage {
    font-family: var(--font-matrix);
    font-size: 0.85rem;
    color: var(--color-primary);
}

/* ===== Projects Section ===== */
.projects-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-primary);
    color: var(--color-bg-primary);
    border-color: var(--color-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

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

.project-card.featured {
    grid-column: span 1;
}

.project-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

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

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

.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    font-size: 4rem;
    color: var(--color-primary);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

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

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-bg-primary);
    border-radius: var(--radius-full);
    font-size: 1.2rem;
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition-normal);
}

.project-card:hover .project-link {
    transform: translateY(0);
    opacity: 1;
}

.project-card:hover .project-link:nth-child(2) {
    transition-delay: 0.1s;
}

.project-link:hover {
    background: var(--color-text-light);
    transform: scale(1.1);
}

.project-content {
    padding: 1.5rem;
}

.project-category {
    font-family: var(--font-matrix);
    font-size: 0.8rem;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.project-title {
    font-size: 1.25rem;
    margin: 0.5rem 0;
    color: var(--color-text-light);
}

.project-description {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    padding: 0.25rem 0.75rem;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-matrix);
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

/* ===== Experience Section ===== */
.experience {
    background: var(--color-bg-secondary);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding-left: 50px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    height: 100%;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary), var(--color-accent-cyan));
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-marker {
    position: absolute;
    left: -40px;
    top: 5px;
}

.marker-dot {
    width: 20px;
    height: 20px;
    background: var(--color-bg-primary);
    border: 3px solid var(--color-primary);
    border-radius: 50%;
    position: relative;
}

.timeline-item.current .marker-dot {
    background: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.timeline-item.current .marker-dot::after {
    content: '';
    position: absolute;
    inset: -5px;
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0; }
}

.timeline-content {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: var(--transition-normal);
}

.timeline-content:hover {
    border-color: var(--color-primary);
    transform: translateX(10px);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.position {
    font-size: 1.25rem;
    color: var(--color-text-light);
}

.date {
    font-family: var(--font-matrix);
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.current-badge {
    background: var(--color-primary);
    color: var(--color-bg-primary);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
}

.company {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.company a {
    font-size: 1.1rem;
    font-weight: 500;
}

.location {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.location i {
    margin-right: 0.25rem;
}

.timeline-content .description {
    color: var(--color-text-secondary);
    line-height: 1.8;
    white-space: pre-line;
}

/* ===== Awards & Honors Section ===== */
.awards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.award-card {
    display: flex;
    gap: 1rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.award-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--color-accent-yellow), var(--color-accent-orange));
    opacity: 0;
    transition: var(--transition-normal);
}

.award-card:hover {
    border-color: var(--color-accent-yellow);
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(255, 193, 7, 0.15);
}

.award-card:hover::before {
    opacity: 1;
}

.award-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1), rgba(255, 152, 0, 0.1));
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    color: var(--color-accent-yellow);
    flex-shrink: 0;
}

.award-content {
    flex: 1;
}

.award-title {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: 0.25rem;
}

.award-issuer {
    color: var(--color-primary);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.award-category {
    display: inline-block;
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
    background: rgba(0, 255, 65, 0.1);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.award-date {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.award-description {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.award-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--color-accent-cyan);
    transition: var(--transition-fast);
}

.award-link:hover {
    color: var(--color-primary);
}

/* ===== Certifications Section ===== */
.certs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.cert-card {
    display: flex;
    gap: 1rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: var(--transition-normal);
}

.cert-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.cert-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    color: var(--color-accent-yellow);
    flex-shrink: 0;
}

.cert-name {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: 0.25rem;
}

.cert-issuer {
    color: var(--color-primary);
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.cert-date {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.cert-verify {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--color-accent-cyan);
}

.cert-verify:hover {
    color: var(--color-primary);
}

/* ===== Contact Section ===== */
.contact {
    background: var(--color-bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 1.75rem;
    color: var(--color-text-light);
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1.2rem;
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact-text {
    display: flex;
    flex-direction: column;
}

.contact-text .label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-text a,
.contact-text span {
    color: var(--color-text-primary);
}

.contact-social {
    display: flex;
    gap: 1rem;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

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

.form-group {
    position: relative;
}

.form-group label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 255, 65, 0.1);
}

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

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

.btn-submit {
    align-self: flex-start;
}

/* ===== Footer ===== */
.footer {
    background: var(--color-bg-primary);
    border-top: 1px solid var(--color-border);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    font-size: 1.5rem;
}

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

.footer-nav a {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

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

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: var(--transition-normal);
}

.footer-social a:hover {
    background: var(--color-primary);
    color: var(--color-bg-primary);
    border-color: var(--color-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer-tech {
    margin-top: 0.5rem;
}

.footer-tech i {
    color: var(--color-accent-red);
}

/* ===== Flash Messages ===== */
.flash-messages {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.flash-message {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    min-width: 300px;
    max-width: 400px;
    animation: slideIn 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.flash-message.success {
    border-color: var(--color-primary);
    background: rgba(0, 255, 65, 0.1);
}

.flash-message.error {
    border-color: var(--color-accent-red);
    background: rgba(255, 51, 51, 0.1);
}

.flash-message.warning {
    border-color: var(--color-accent-yellow);
    background: rgba(255, 215, 0, 0.1);
}

.flash-message.info {
    border-color: var(--color-accent-cyan);
    background: rgba(0, 212, 255, 0.1);
}

.flash-close {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ===== Back to Top Button ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-bg-primary);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-normal);
    z-index: 999;
}

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

.back-to-top:hover {
    background: var(--color-primary-light);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text {
        order: 2;
    }
    
    .hero-visual {
        order: 1;
    }
    
    .hero-tagline {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-social {
        justify-content: center;
    }
    
    .terminal-window {
        max-width: 400px;
        transform: none;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-details {
        justify-content: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-bg-secondary);
        flex-direction: column;
        justify-content: center;
        padding: 2rem;
        transition: var(--transition-normal);
        border-left: 1px solid var(--color-border);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-name {
        font-size: 2rem;
    }
    
    .hero-titles {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .awards-grid {
        grid-template-columns: 1fr;
    }
    
    .certs-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline {
        padding-left: 30px;
    }
    
    .timeline::before {
        left: 10px;
    }
    
    .timeline-marker {
        left: -25px;
    }
    
    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
    }
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Loading Animation */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

.loading::after {
    content: '';
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Selection */
::selection {
    background: var(--color-primary);
    color: var(--color-bg-primary);
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--color-border-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}