/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00d4ff;
    --secondary-color: #2c3e50;
    --accent-color: #34495e;
    --text-primary: #ecf0f1;
    --text-secondary: #bdc3c7;
    --text-accent: #00d4ff;
    --background-dark: #232c31;
    --background-card: #2c3a47;
    --border-color: #465a65;
    --success-color: #00ff88;
    --warning-color: #ffaa00;
    --danger-color: #ff4757;
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    --gradient-secondary: linear-gradient(135deg, #2c3a47 0%, #232c31 100%);
    --gradient-dark: linear-gradient(135deg, #232c31 0%, #2c3a47 100%);
}

html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--background-dark) !important;
    color: var(--text-primary);
    line-height: 1.6;
    padding: 0;
    margin: 0;
    overflow-x: hidden;
}

/* Animated background pattern for navbar */
@keyframes float-pattern {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-10px) rotate(120deg); }
    66% { transform: translateY(5px) rotate(240deg); }
}

@keyframes glow-pulse {
    0%, 100% { box-shadow: 0 0 5px rgba(0, 212, 255, 0.3); }
    50% { box-shadow: 0 0 20px rgba(0, 212, 255, 0.8), 0 0 30px rgba(0, 212, 255, 0.4); }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(26, 26, 46, 0.95);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo, .nav-logo:visited {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
    cursor: default;
}

.nav-logo i {
    font-size: 1.8rem;
    color: white;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a, .nav-menu a:visited {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
    background: rgba(0, 212, 255, 0.1);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 50%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero-section {
    height: 100svh;
    min-height: 100svh;
    display: flex;
    align-items: center;
    padding: 80px 1rem 0; /* Only top padding for navbar */
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
    margin-bottom: 0;
    box-sizing: border-box;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23ffffff" stroke-width="0.1" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    text-align: left;
    position: relative;
    z-index: 2;
}

.hero-section > canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}


.hero-title .name {
    display: block;
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.hero-title .title {
    display: block;
    font-size: 2rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin: 2rem 0;
    line-height: 1.8;
    max-width: 600px;
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--success-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--success-color);
    animation: pulse 2s infinite;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--success-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

/* Hero Metrics */
.hero-metrics {
    display: flex;
    gap: 1.5rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.metric-card {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    padding: 1rem;
    border-radius: 12px;
    text-align: center;
    min-width: 100px;
    transition: all 0.3s ease;
}

.metric-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 20px rgba(0, 212, 255, 0.2);
}

.metric-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.metric-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-accent);
    font-weight: 600;
}

.stat i {
    color: var(--primary-color);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.hero-grid {
    max-width: 100%;
    margin-top: 2rem;
}

.hero-certs {
    margin-top: 2rem;
}

.certifications-section {
    padding: 3rem 1rem;
    background: var(--background-dark);
}

.certifications-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

/* Security Grid Visual */
.security-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    max-width: 400px;
}

.grid-item {
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.grid-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: left 0.5s;
}

.grid-item:hover::before {
    left: 100%;
}

.grid-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.grid-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.grid-item::after {
    content: attr(data-skill);
    position: absolute;
    bottom: -100%;
    left: 0;
    right: 0;
    background: var(--primary-color);
    color: var(--background-dark);
    padding: 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    transition: bottom 0.3s ease;
}

.grid-item:hover::after {
    bottom: 0;
}

/* Skills Preview */
.skills-preview {
    padding: 8rem 1rem;
    background: var(--background-card);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.skills-preview h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.skill-category {
    background: var(--gradient-secondary);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

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

.skill-category h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-category ul {
    list-style: none;
}

.skill-category li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.skill-category li:last-child {
    border-bottom: none;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--background-dark);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 212, 255, 0.3);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--background-dark);
}

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

.btn-outline:hover {
    background: var(--text-secondary);
    color: var(--background-dark);
    border-color: var(--text-secondary);
}

/* Floating Particles */
.floating-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.floating-particles::before {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: float1 8s infinite linear;
    opacity: 0.3;
}

.floating-particles::after {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--success-color);
    border-radius: 50%;
    animation: float2 12s infinite linear;
    opacity: 0.2;
    animation-delay: -4s;
}

@keyframes float1 {
    0% {
        transform: translateY(100vh) translateX(0px);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100px) translateX(100px);
        opacity: 0;
    }
}

@keyframes float2 {
    0% {
        transform: translateY(100vh) translateX(100px);
        opacity: 0;
    }
    10% {
        opacity: 0.2;
    }
    90% {
        opacity: 0.2;
    }
    100% {
        transform: translateY(-100px) translateX(-50px);
        opacity: 0;
    }
}

/* Security Terminal */
.security-terminal {
    background: var(--background-dark);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 2rem;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.terminal-header {
    background: var(--background-card);
    padding: 0.8rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
}

.terminal-controls {
    display: flex;
    gap: 0.5rem;
}

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

.control.close {
    background: #ff5f57;
}

.control.minimize {
    background: #ffbd2e;
}

.control.maximize {
    background: #28ca42;
}

.terminal-title {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-family: 'Courier New', monospace;
}

.terminal-body {
    padding: 1rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

.terminal-line {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.prompt {
    color: var(--success-color);
    font-weight: bold;
}

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

.output.success {
    color: var(--success-color);
}

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

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

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

@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

/* Experience Timeline */
.experience-timeline {
    padding: 8rem 1rem;
    background: var(--gradient-secondary);
}

.experience-timeline h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
}

.timeline-item {
    margin-bottom: 2rem;
    position: relative;
    padding-left: 80px;
}

.timeline-dot {
    position: absolute;
    left: 21px;
    top: 0.5rem;
    width: 18px;
    height: 18px;
    background: var(--background-card);
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    z-index: 1;
}

.timeline-dot.current {
    background: var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
    animation: pulse 2s infinite;
}

.timeline-content {
    background: var(--background-card);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

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

.timeline-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-date {
    color: var(--text-accent);
    font-size: 0.9rem;
    background: rgba(0, 212, 255, 0.1);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    display: inline-block;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Resume Styles */
.resume-container {
    max-width: 1200px;
    margin: 5rem auto 4rem;
    padding: 0 1rem;
}

.resume-header {
    background: var(--gradient-secondary);
    padding: 3rem;
    border-radius: 20px;
    margin-bottom: 3rem;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.resume-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(0, 212, 255, 0.05) 100%);
    pointer-events: none;
}

.resume-hero {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 2rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-avatar {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.avatar-circle {
    width: 120px;
    height: 120px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--background-dark);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
    animation: pulse 3s infinite;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 255, 136, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: 1px solid var(--success-color);
    font-size: 0.8rem;
    color: var(--success-color);
}

.resume-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.resume-actions .btn {
    min-width: 150px;
    justify-content: center;
}

.personal-info h1 {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.professional-title {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.resume-hero .contact-info {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.contact-info span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.contact-info i {
    color: var(--primary-color);
}

.resume-section {
    background: var(--background-card);
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.resume-section h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.cert-item {
    background: var(--gradient-dark);
    padding: 1rem;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    text-align: center;
}

.cert-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 212, 255, 0.2);
}

.cert-logo {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    padding: 0.5rem;
}

.cert-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.cert-item:hover .cert-logo {
    transform: scale(1.05);
}




.cert-item span {
    font-weight: 700; /* Bolder text */
    color: var(--primary-color); /* More eye-catching color */
    font-size: 1.1rem; /* Bigger text */
}

/* Skills Container */
.skills-container {
    display: grid;
    gap: 1.5rem;
}

.skill-group h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    background: var(--gradient-dark);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.skill-tag:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Experience Items */
.experience-item {
    border-left: 3px solid var(--primary-color);
    padding-left: 1.5rem;
    margin-bottom: 2rem;
}

.exp-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.exp-header h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
}

.company {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.1rem;
}

.duration {
    color: var(--text-accent);
    font-size: 0.9rem;
    background: rgba(0, 212, 255, 0.1);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
}

.achievements {
    list-style: none;
}

.achievements li {
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
}

.achievements li::before {
    content: '▶';
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

.achievements strong {
    color: var(--primary-color);
}

/* Education Items */
.education-item {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--gradient-dark);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.education-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.school {
    color: var(--text-secondary);
    font-weight: 600;
}

.graduation {
    color: var(--text-accent);
    font-size: 0.9rem;
}

/* Projects Styles */
.projects-container {
    max-width: 1200px;
    margin: 5rem auto 4rem;
    padding: 0 1rem;
}

.projects-header {
    margin-bottom: 4rem;
}

.projects-hero {
    background: var(--gradient-secondary);
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.projects-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(0, 255, 136, 0.05) 100%);
    pointer-events: none;
}

.projects-hero .hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.projects-hero h1 {
    font-size: 2.8rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.projects-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.stat-item .stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-item .stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.3;
}

.projects-visual {
    display: none;
}

.floating-code {
    background: var(--background-dark);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    font-family: 'Courier New', monospace;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.code-line {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.code-keyword {
    color: #ff6b6b;
    font-weight: bold;
}

.code-function {
    color: var(--primary-color);
}

.code-string {
    color: var(--success-color);
}

.code-indent {
    color: var(--text-secondary);
}

.projects-filter {
    margin-bottom: 3rem;
}

.filter-container {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    background: var(--background-card);
    padding: 1rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.filter-btn {
    padding: 0.6rem 1.2rem;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.project-card {
    background: var(--background-card);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.15);
    border-color: var(--primary-color);
}

.project-image {
    height: 200px;
    background: var(--gradient-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.project-icon {
    font-size: 4rem;
    color: var(--primary-color);
}

.project-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    border-radius: 0;
    transition: transform 0.3s ease;
}

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

.project-overlay {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.project-status {
    background: var(--success-color);
    color: var(--background-dark);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.project-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.project-content h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

.tech-tag {
    background: var(--gradient-dark);
    color: var(--text-accent);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
}

.project-features ul {
    list-style: none;
    margin: 1rem 0;
}

.project-features li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    position: relative;
}

.project-features li::before {
    content: '';
    color: var(--success-color);
    position: absolute;
    left: 0;
}

.project-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: auto;
}

.project-actions .btn {
    flex: 1;
    justify-content: center;
    font-size: 0.9rem;
    padding: 0.6rem;
}

/* Quiz Interface Preview */
.project-preview {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.quiz-interface {
    background: var(--background-dark);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    width: 100%;
    max-width: 280px;
    font-size: 0.7rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.quiz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.8rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.quiz-mode {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.7rem;
}

.question-counter {
    color: var(--text-secondary);
    font-size: 0.6rem;
}

.quiz-progress {
    background: var(--background-card);
    height: 4px;
    border-radius: 2px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.progress-bar {
    background: var(--primary-color);
    height: 100%;
    border-radius: 2px;
    transition: width 0.3s ease;
}

.quiz-question h4 {
    color: var(--text-primary);
    font-size: 0.7rem;
    margin-bottom: 0.8rem;
    line-height: 1.3;
}

.quiz-options {
    margin-bottom: 1rem;
}

.option {
    background: var(--background-card);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.6rem;
    margin-bottom: 0.3rem;
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.6rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.option:hover {
    border-color: var(--primary-color);
    background: rgba(0, 212, 255, 0.1);
}

.option.selected {
    border-color: var(--primary-color);
    background: rgba(0, 212, 255, 0.2);
    color: var(--primary-color);
}

.quiz-controls {
    display: flex;
    gap: 0.5rem;
    justify-content: space-between;
}

.btn-quiz {
    background: var(--background-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    font-size: 0.6rem;
    cursor: pointer;
    transition: all 0.2s ease;
    flex: 1;
}

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

.btn-quiz.primary {
    background: var(--primary-color);
    color: var(--background-dark);
    border-color: var(--primary-color);
}

.btn-quiz.flag {
    background: rgba(255, 170, 0, 0.1);
    border-color: var(--warning-color);
    color: var(--warning-color);
}

.btn-quiz.flag:hover {
    background: rgba(255, 170, 0, 0.2);
}

/* Add Project Card */
.add-project {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    border: 2px dashed var(--border-color);
    background: transparent;
}

.add-project-content {
    text-align: center;
    color: var(--text-secondary);
}

.add-project-content i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.add-project:hover {
    border-color: var(--primary-color);
}

.add-project:hover .add-project-content {
    color: var(--primary-color);
}

/* Project Categories */
.project-categories {
    margin: 4rem 0;
}

.project-categories h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.category-item {
    background: var(--background-card);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.category-item:hover {
    border-color: var(--primary-color);
}

.category-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.category-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Project Stats */
.project-stats {
    background: var(--background-card);
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    margin: 2rem 0;
}

.project-stats h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    display: block;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Contact Styles */
.contact-container {
    max-width: 900px;
    margin: 5rem auto 4rem;
    padding: 0 1rem;
    animation: fadeInUp 0.8s ease-out;
}

.contact-header {
    text-align: center;
    margin-bottom: 3rem;
}

.contact-header h1 {
    font-size: 2.8rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.contact-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.contact-card-single {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    background: rgba(26, 26, 46, 0.7);
    -webkit-backdrop-filter: blur(15px);
    backdrop-filter: blur(15px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    align-items: center;
}

.contact-info-single {
    padding-right: 3rem;
    border-right: 1px solid var(--border-color);
}

.contact-details {
    margin-bottom: 2rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-method i {
    font-size: 1.5rem;
    color: var(--primary-color);
    width: 40px;
    text-align: center;
}

.contact-method h3 {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin-bottom: 0.2rem;
}

.contact-method a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-method a:hover {
    color: var(--primary-color);
}

.social-links h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

.social-icon {
    font-size: 1.8rem;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.social-icon:hover {
    color: var(--primary-color);
    transform: translateY(-3px);
}

.contact-form-section h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--background-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.2);
}

.contact-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 300px;
}

.grid-item-contact {
    background: var(--background-dark);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.grid-item-contact:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 212, 255, 0.2);
}

.grid-item-contact i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.availability-section {
    margin-top: 4rem;
    padding: 3rem;
    background: var(--background-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    text-align: center;
}

.availability-section h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.availability-section p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.availability-details {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.availability-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    background: var(--gradient-dark);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.availability-item i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.availability-item span {
    color: var(--text-primary);
    font-weight: 500;
}

#app {
  margin: 0;
  width: 100%;
  height: 100%;
}


/* Footer */
.footer {
    background: var(--background-card);
    border-top: 1px solid var(--border-color);
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
}

/* Projects Preview */
.projects-preview {
    text-align: center;
    padding: 2rem;
    background: var(--gradient-dark);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.projects-preview p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* Additional Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes floatUp {
    from {
        transform: translateY(100vh);
        opacity: 0;
    }
    10% {
        opacity: 0.8;
    }
    90% {
        opacity: 0.8;
    }
    to {
        transform: translateY(-100px);
        opacity: 0;
    }
}

@keyframes ripple {
    to {
        width: 100px;
        height: 100px;
        opacity: 0;
    }
}

/* Enhanced Mobile Responsiveness */
@media (max-width: 1027px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
        max-width: 800px;
        margin: 0 auto;
    }

    .hero-description {
        margin: 2rem auto;
    }
    
    .security-terminal {
        display: none;
    }
    
    .security-grid {
        display: none;
    }
    
    .hero-metrics {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }

    .status-badge {
        display: none;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .timeline-dot {
        left: 11px;
    }
}

@media (max-width: 1024px) {
    .terminal-body {
        font-size: 0.8rem;
    }
}

/* Footer Styles */
.footer {
    background-color: rgba(26, 26, 46, 0.95);
    border-top: 1px solid rgba(0, 212, 255, 0.2);
    padding: 2rem 0;
    margin-top: 4rem;
    text-align: center;
}

.footer .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.9rem;
}

.footer p:hover {
    color: var(--primary-color);
    transition: color 0.3s ease;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-logo span {
        display: inline !important;
    }

    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: var(--background-card);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-section {
        padding: 100px 1rem 50px; /* Increased top and added bottom padding for mobile */
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-title .name {
        font-size: 2.5rem;
    }
    
    .hero-title .title {
        font-size: 1.5rem;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    /* Enhanced Resume Mobile Styles */
    .resume-hero {
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
        align-items: center;
        text-align: center;
        padding: 2rem 1rem;
    }
    
    .resume-actions {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        width: 100%;
    }

    .resume-actions .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .personal-info h1 {
        font-size: 2.5rem;
    }
    
    .resume-hero .contact-info {
        justify-content: center;
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .exp-header {
        flex-direction: column;
        align-items: flex-start;
    }
/* Enhanced Certifications Mobile Styles */
    .certifications-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .cert-item {
        padding: 1rem;
        flex-direction: row;
        text-align: left;
    }

    .cert-logo {
        width: 60px;
        height: 60px;
        flex-shrink: 0;
    }

    .cert-icon {
        font-size: 1.3rem !important;
    }

    .cert-name {
        font-size: 0.8rem !important;
    }

    .cert-vendor {
        font-size: 0.6rem !important;
    }
    
    /* Enhanced Projects Mobile Styles */
    .projects-hero {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
        padding: 2rem;
    }
    
    .projects-hero h1 {
        font-size: 2.5rem;
    }
    
    .projects-stats {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .filter-container {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .filter-btn {
        padding: 0.8rem 1rem;
        text-align: center;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Enhanced Contact Mobile Styles */
    .contact-card-single {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem;
    }

    .contact-info-single {
        border-right: none;
        padding-right: 0;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 2rem;
    }

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

@media (max-width: 480px) {
    .hero-title .name {
        font-size: 2rem;
    }
    
    .hero-title .title {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .security-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .certifications-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .project-actions {
        flex-direction: column;
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .navbar,
    .footer,
    .download-btn,
    .projects-preview {
        display: none;
    }
    
    .resume-container {
        margin-top: 0;
    }
    
    .resume-section,
    .resume-header {
        border: 1px solid #ddd;
        background: white;
    }
    
    .skill-tag,
    .cert-item,
    .duration {
        border: 1px solid #ddd;
        background: #f5f5f5;
    }
}

/* Disable hover effects on touch devices */
@media (hover: none) and (pointer: coarse) {
    .nav-menu a:hover,
    .btn:hover,
    .btn-primary:hover,
    .btn-secondary:hover,
    .btn-outline:hover,
    .project-card:hover,
    .cert-item:hover,
    .skill-tag:hover,
    .grid-item:hover,
    .timeline-content:hover,
    .metric-card:hover,
    .social-icon:hover,
    .contact-method a:hover,
    .grid-item-contact:hover,
    .category-item:hover,
    .filter-btn:hover,
    .option:hover,
    .btn-quiz:hover,
    .add-project:hover,
    .skill-category:hover {
        transform: none !important;
        box-shadow: none !important;
        border-color: initial !important;
        background: initial !important;
        color: initial !important;
    }
    
    .grid-item::before,
    .grid-item:hover::before {
        display: none !important;
    }
    
    .grid-item::after,
    .grid-item:hover::after {
        display: none !important;
    }
    
    .project-card:hover .project-screenshot {
        transform: none !important;
    }
    
    .cert-item:hover .cert-logo {
        transform: none !important;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 12px;
}

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

::-webkit-scrollbar-thumb {
    background-color: var(--primary-color);
    border-radius: 20px;
    border: 3px solid var(--background-dark);
}

::-webkit-scrollbar-thumb:hover {
    background-color: #00b8e6;
}