* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #0EA5E9;
    --secondary: #1E293B;
    --accent: #10B981;
    --text: #E2E8F0;
    --bg-dark: #0F172A;
    --bg-card: #1E293B;
    --border: #334155;
}


body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Website Status Indicator */
.status-indicator {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 25px;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-family: inherit;
    font-weight: 500;
    color: var(--text);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    cursor: pointer;
}

.status-indicator:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(14, 165, 233, 0.2);
    border-color: var(--primary);
}

.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    margin-right: 0.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
    100% { opacity: 1; transform: scale(1); }
}

.status-tooltip {
    position: absolute;
    bottom: 120%;
    right: 0;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem;
    min-width: 200px;
    color: var(--text);
    font-size: 0.75rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.status-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    right: 20px;
    border: 6px solid transparent;
    border-top-color: var(--border);
}

.status-indicator:hover .status-tooltip {
    opacity: 1;
    visibility: visible;
}

.status-tooltip .update-item {
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.status-tooltip .update-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.update-date {
    color: var(--accent);
    font-weight: 600;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
}

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

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

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

.nav-links a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.3s;
}

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


/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: radial-gradient(circle at 20% 50%, rgba(14, 165, 233, 0.15), transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.1), transparent 50%);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    padding: 2rem;
    animation: fadeInUp 1s ease;
}

.profile-image {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary);
    box-shadow: 0 0 30px rgba(14, 165, 233, 0.3);
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.profile-image:hover {
    transform: scale(1.05);
    box-shadow: 0 0 40px rgba(14, 165, 233, 0.5);
}

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

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero .subtitle {
    font-size: 1.3rem;
    color: var(--text);
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Hero Pipeline */
.hero-pipeline {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 2rem 0;
    flex-wrap: wrap;
    gap: 1rem;
}

.pipeline-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    min-width: 80px;
    transition: all 0.3s ease;
    opacity: 0.6;
}

.pipeline-step.active {
    opacity: 1;
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.3);
}

.step-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.step-label {
    font-size: 0.8rem;
    color: var(--text);
    font-weight: 600;
}

.pipeline-connector {
    width: 30px;
    height: 2px;
    background: linear-gradient(to right, var(--primary), var(--accent));
    position: relative;
    overflow: hidden;
}

.pipeline-connector::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.6), transparent);
    animation: flow 2s infinite;
}

@keyframes flow {
    0% { left: -100%; }
    100% { left: 100%; }
}

.hero .tags {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.tag {
    padding: 0.5rem 1rem;
    background: rgba(14, 165, 233, 0.1);
    border: 1px solid var(--primary);
    border-radius: 25px;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.tag:hover {
    background: rgba(14, 165, 233, 0.2);
    transform: translateY(-2px);
}

/* Certification Popup */
.certification-tag {
    position: relative;
    cursor: pointer;
}

.cert-popup {
    position: absolute;
    bottom: 120%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-card);
    border: 1px solid var(--primary);
    border-radius: 8px;
    padding: 1rem;
    min-width: 280px;
    max-width: 320px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    white-space: nowrap;
}

.cert-popup::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 8px solid transparent;
    border-top-color: var(--primary);
}

.certification-tag:hover .cert-popup {
    opacity: 1;
    visibility: visible;
}

.cert-popup h4 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.cert-list {
    list-style: none;
    padding: 0;
}

.cert-list li {
    color: var(--text);
    font-size: 0.85rem;
    margin-bottom: 0.4rem;
    display: flex;
    align-items: center;
    white-space: nowrap;
    cursor: pointer;
    padding: 0.3rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.cert-list li:hover {
    background: rgba(14, 165, 233, 0.1);
    color: var(--primary);
}

/* Certificate Modal */
.cert-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.cert-modal-content {
    background-color: var(--bg-dark);
    margin: 5% auto;
    padding: 2rem;
    border: 1px solid var(--border);
    border-radius: 12px;
    width: 90%;
    max-width: 800px;
    position: relative;
}

.cert-modal img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.close-modal {
    color: var(--text);
    float: right;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    right: 1rem;
    top: 1rem;
}

.close-modal:hover {
    color: var(--primary);
}

.cert-list li::before {
    content: '🏆';
    margin-right: 0.5rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 0.75rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(14, 165, 233, 0.3);
}

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

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

.btn-resume {
    border: 2px solid var(--accent);
    color: var(--accent);
    position: relative;
    overflow: hidden;
}

.btn-resume:hover {
    background: var(--accent);
    color: var(--bg-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(16, 185, 129, 0.3);
}

/* Pipeline Visualization */
.pipeline-section {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.03), rgba(16, 185, 129, 0.03));
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.pipeline-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(14, 165, 233, 0.1), transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.1), transparent 50%);
    pointer-events: none;
}

.pipeline-subtitle {
    text-align: center;
    color: var(--text);
    opacity: 0.8;
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

.pipeline-flow {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 4rem;
    position: relative;
    z-index: 1;
}

.pipeline-stage {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    min-width: 160px;
    transition: all 0.3s ease;
    position: relative;
    cursor: pointer;
}

.pipeline-stage:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(14, 165, 233, 0.2);
}

.stage-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-5px); }
    60% { transform: translateY(-3px); }
}

.pipeline-stage h4 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.pipeline-stage p {
    color: var(--text);
    opacity: 0.8;
    font-size: 0.9rem;
}

.pipeline-arrow {
    font-size: 2rem;
    color: var(--primary);
    animation: pulse 2s infinite;
}

.pipeline-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.metric-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.2);
}

.metric-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--accent);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.metric-label {
    color: var(--text);
    opacity: 0.8;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Pipeline Stage Specific Animations */
.pipeline-stage[data-stage="ingestion"] .stage-icon {
    animation-delay: 0s;
}

.pipeline-stage[data-stage="processing"] .stage-icon {
    animation-delay: 0.5s;
}

.pipeline-stage[data-stage="storage"] .stage-icon {
    animation-delay: 1s;
}

.pipeline-stage[data-stage="analytics"] .stage-icon {
    animation-delay: 1.5s;
}

/* Section Styles */
section {
    padding: 5rem 0;
}

/* Page-specific styles */
.page-section {
    padding: 8rem 0 5rem 0;
    min-height: calc(100vh - 140px);
}

.page-header {
    text-align: center;
    margin-bottom: 4rem;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.page-subtitle {
    font-size: 1.2rem;
    color: var(--text);
    opacity: 0.8;
}

/* Active navigation link */
.nav-links a.active {
    color: var(--primary);
    position: relative;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 1px;
}

/* About page specific */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
    margin-bottom: 4rem;
}

.content-block {
    margin-bottom: 2rem;
}

.content-block h2 {
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    text-align: left;
}

.content-block p {
    line-height: 1.7;
    font-size: 1.1rem;
}

.about-profile-image {
    width: 100%;
    max-width: 300px;
    border-radius: 12px;
    border: 2px solid var(--border);
    transition: transform 0.3s ease;
}

.about-profile-image:hover {
    transform: scale(1.05);
}

.certifications-section {
    margin-top: 3rem;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.cert-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cert-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(14, 165, 233, 0.2);
}

.cert-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cert-card h3 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.cert-card p {
    color: var(--text);
    opacity: 0.8;
    font-size: 0.9rem;
}

/* Contact page specific */
.contact-content {
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-item h3 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.contact-item p {
    line-height: 1.6;
    margin-bottom: 1rem;
}

.services-list {
    list-style: none;
    padding: 0;
}

.services-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

.services-list li:last-child {
    border-bottom: none;
}

.contact-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    text-decoration: none;
    transition: all 0.3s;
}

.contact-link:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(14, 165, 233, 0.1);
}

.contact-link span {
    font-size: 2rem;
}

.contact-link strong {
    color: var(--primary);
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    display: block;
}

.contact-link p {
    margin: 0;
    opacity: 0.8;
    font-size: 0.9rem;
}

/* Contact form */
.contact-form-section {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    margin-top: 2rem;
}

.contact-form-section h2 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text);
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-dark);
    color: var(--text);
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

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

/* Form validation styles */
.form-group input.error,
.form-group textarea.error {
    border-color: #ef4444;
    background-color: rgba(239, 68, 68, 0.1);
}

.error-message {
    display: block;
    color: #ef4444;
    font-size: 0.85rem;
    margin-top: 0.25rem;
    font-weight: 500;
}

.form-message {
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
    font-weight: 500;
    text-align: center;
}

.form-message.success {
    background-color: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.form-message.error {
    background-color: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.contact-form button[type="submit"]:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Project links */
.project-links {
    margin-top: 1rem;
    display: flex;
    gap: 1rem;
}

.project-link {
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.project-link:hover {
    background: var(--primary);
    color: white;
}

/* Mobile responsive for new layouts */
@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .contact-links {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .project-links {
        flex-direction: column;
    }
    
    .cert-grid {
        grid-template-columns: 1fr;
    }
}

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

h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.skill-category {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.skill-category:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(14, 165, 233, 0.1);
}

.skill-category h3 {
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-item {
    background: rgba(14, 165, 233, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
    border: 1px solid transparent;
    transition: all 0.3s;
}

.skill-item:hover {
    border-color: var(--primary);
    background: rgba(14, 165, 233, 0.2);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.project-card {
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(14, 165, 233, 0.2);
}

.project-header {
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(16, 185, 129, 0.1));
    border-bottom: 1px solid var(--border);
}

.project-content {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

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

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

.tech-tag {
    font-size: 0.8rem;
    padding: 0.25rem 0.75rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--accent);
    border-radius: 15px;
    color: var(--accent);
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.05), rgba(16, 185, 129, 0.05));
    text-align: center;
}

.contact-links {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-top: 2rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    text-decoration: none;
    transition: all 0.3s;
}

.contact-link:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text);
    opacity: 0.7;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 1rem;
    z-index: 1001;
    position: relative;
    pointer-events: auto;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    min-width: 44px;
    min-height: 44px;
    justify-content: center;
    align-items: center;
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background: var(--text);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.mobile-menu-btn.active .hamburger-line:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.mobile-menu-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active .hamburger-line:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    
    .nav-links {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 250px;
        height: auto;
        background: var(--bg-dark);
        border: 1px solid var(--border);
        border-radius: 0 0 0 12px;
        flex-direction: column;
        padding: 0;
        transition: right 0.3s ease;
        backdrop-filter: blur(10px);
        z-index: 1000;
        box-shadow: -5px 5px 20px rgba(0, 0, 0, 0.3);
        gap: 0;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links li {
        margin: 0;
        padding: 0;
        text-align: center;
        list-style: none;
    }
    
    .nav-links a {
        font-size: 1rem;
        padding: 1rem;
        display: block;
        transition: background 0.3s ease;
        margin: 0;
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }
    
    .nav-links a:hover,
    .nav-links a:active,
    .nav-links a:focus {
        background: rgba(14, 165, 233, 0.1);
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .profile-image {
        width: 150px;
        height: 150px;
    }
    
    .skills-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-links {
        flex-direction: column;
        align-items: center;
    }
    
    .status-indicator {
        top: 10px;
        right: 10px;
        font-size: 0.7rem;
        padding: 0.4rem 0.8rem;
    }
    
    .status-tooltip {
        min-width: 180px;
        right: -20px;
    }
    
    .hero-pipeline {
        flex-direction: column;
        gap: 1rem;
    }
    
    .pipeline-connector {
        width: 2px;
        height: 20px;
        transform: rotate(90deg);
    }
    
    .pipeline-flow {
        flex-direction: column;
        align-items: center;
    }
    
    .pipeline-arrow {
        transform: rotate(90deg);
        margin: 1rem 0;
    }
    
    .pipeline-metrics {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
}

/* Animations */
.fade-in {
    opacity: 0;
    animation: fadeIn 1s ease forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

/* Floating animation for decorative elements */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.floating {
    animation: float 6s ease-in-out infinite;
}