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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 100vh;
}

/* Desktop Sidebar Layout */
.desktop-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 320px;
    background: white;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1;
    margin-left: 320px;
    padding: 2rem;
    min-height: 100vh;
}

/* Sidebar Profile Header */
.sidebar-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 2rem;
    text-align: center;
    color: white;
}

.profile-avatar {
    width: 96px;
    height: 96px;
    background: white;
    border-radius: 50%;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    overflow: hidden;
}

.profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.profile-initials {
    width: 88px;
    height: 88px;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
}

.profile-name {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.profile-title {
    opacity: 0.9;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.profile-badge {
    background: rgba(255,255,255,0.2);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 500;
    display: inline-block;
}

/* Sidebar Navigation */
.sidebar-nav {
    padding: 1.5rem;
    flex: 1;
}

.nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-menu li {
    margin-bottom: 0.25rem;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: #6b7280;
    text-decoration: none;
    border-radius: 0.75rem;
    transition: all 0.2s ease;
    font-weight: 500;
    font-size: 0.875rem;
}

.nav-link:hover {
    background-color: #f9fafb;
    color: #374151;
}

.nav-link.active {
    background: rgba(59, 130, 246, 0.1);
    border-left: 4px solid #3b82f6;
    color: #3b82f6;
    margin-left: -1rem;
    padding-left: 1.75rem;
}

.nav-link i {
    margin-right: 0.75rem;
    width: 1rem;
    text-align: center;
}

/* Sidebar Stats */
.sidebar-stats {
    padding: 1.5rem;
    border-top: 1px solid #e5e7eb;
    flex-shrink: 0;
}

.stats-title {
    color: #374151;
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.stat-label {
    color: #6b7280;
    font-size: 0.75rem;
}

.stat-value {
    color: #374151;
    font-weight: 700;
    font-size: 0.875rem;
}

/* Sidebar Contact */
.sidebar-contact {
    padding: 1.5rem;
    border-top: 1px solid #e5e7eb;
    flex-shrink: 0;
}

.contact-title {
    color: #374151;
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
}

.contact-item i {
    margin-right: 0.75rem;
    width: 1rem;
    text-align: center;
    color: #3b82f6;
}

.contact-item span {
    color: #6b7280;
    font-size: 0.75rem;
}

/* Main Content Styling */
.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 2.5rem;
    font-weight: bold;
    color: #374151;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.125rem;
    color: #6b7280;
    line-height: 1.7;
}

/* Expertise Grid */
.expertise-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

/* Responsive grid: 1 column mobile, 2 on tablet, 4 on desktop */
@media (min-width: 768px) {
    .expertise-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .expertise-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.expertise-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.expertise-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.expertise-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
}

.expertise-icon.analytics {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.expertise-icon.product {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.expertise-icon.strategy {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.expertise-icon.storytelling {
    background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
}

.expertise-title {
    color: #374151;
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.expertise-description {
    color: #6b7280;
    font-size: 0.875rem;
    line-height: 1.6;
}

/* Featured Project */
.featured-project {
    background: white;
    border-radius: 1.5rem;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    margin-bottom: 3rem;
    transition: all 0.3s ease;
}

.featured-project:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.project-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.project-info h3 {
    font-size: 1.5rem;
    font-weight: bold;
    color: #374151;
    margin-bottom: 1rem;
}

.project-badge {
    background: #dcfce7;
    color: #166534;
    padding: 0.5rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: 1rem;
    display: inline-block;
}

.project-description {
    color: #6b7280;
    font-size: 1rem;
    line-height: 1.7;
}

.project-icon {
    width: 6rem;
    height: 6rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin-left: 2rem;
    flex-shrink: 0;
}

.project-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.metric {
    text-align: center;
}

.metric-value {
    font-size: 2rem;
    font-weight: bold;
    color: #374151;
    display: block;
}

.metric-label {
    color: #6b7280;
    font-size: 0.875rem;
}

.project-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.tech-tags {
    display: flex;
    gap: 0.75rem;
}

.tech-tag {
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.tech-tag.react {
    background: #dbeafe;
    color: #1e40af;
}

.tech-tag.python {
    background: #dcfce7;
    color: #166534;
}

.tech-tag.postgresql {
    background: #f3e8ff;
    color: #7c3aed;
}

.btn {
    padding: 0.75rem 2rem;
    border-radius: 0.75rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

/* Latest Insights */
.insights-section {
    margin-bottom: 3rem;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.section-title {
    font-size: 1.5rem;
    font-weight: bold;
    color: #374151;
}

.view-all-link {
    color: #3b82f6;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
}

.view-all-link:hover {
    color: #1d4ed8;
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
}

.insight-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.insight-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.insight-content {
    display: flex;
    gap: 1rem;
}

.insight-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.insight-icon.analytics {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.insight-icon.strategy {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.insight-info {
    flex: 1;
}

.insight-category {
    padding: 0.25rem 0.5rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 500;
    display: inline-block;
    margin-bottom: 0.75rem;
}

.insight-category.analytics {
    background: #dcfce7;
    color: #166534;
}

.insight-category.strategy {
    background: #fed7aa;
    color: #ea580c;
}

.insight-title {
    color: #374151;
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.insight-description {
    color: #6b7280;
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.insight-meta {
    display: flex;
    gap: 1rem;
    color: #9ca3af;
    font-size: 0.75rem;
}

/* Blog Page Styles */
.featured-article {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 1.5rem;
    padding: 2rem;
    margin-bottom: 2rem;
    color: white;
    transition: all 0.3s ease;
}

.featured-article:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
}

.article-badge {
    background: rgba(255,255,255,0.2);
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 500;
    display: inline-block;
    margin-bottom: 1rem;
}

.article-title {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 0.75rem;
}

.article-description {
    font-size: 1rem;
    line-height: 1.6;
    opacity: 0.95;
    margin-bottom: 1rem;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    opacity: 0.85;
}

.blog-filters {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 2rem;
    overflow-x: auto;
    padding-bottom: 0.25rem;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    border: none;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    flex-shrink: 0;
}

.filter-btn:not(.active) {
    background: #f1f5f9;
    color: #64748b;
}

.filter-btn:not(.active):hover {
    background: #e2e8f0;
    color: #475569;
}

.filter-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
}

.blog-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    cursor: pointer;
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.blog-content {
    display: flex;
    gap: 1rem;
}

.blog-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.125rem;
    flex-shrink: 0;
}

.blog-icon.analytics {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.blog-icon.strategy {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.blog-icon.technical {
    background: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
}

.blog-icon.insights {
    background: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
}

.blog-icon.machine-learning {
    background: linear-gradient(135deg, #14b8a6 0%, #06b6d4 100%);
}

.blog-icon.visualization {
    background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
}

.blog-info {
    flex: 1;
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.blog-category {
    padding: 0.25rem 0.5rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 500;
}

.blog-category.analytics {
    background: #dcfce7;
    color: #166534;
}

.blog-category.strategy {
    background: #fed7aa;
    color: #ea580c;
}

.blog-category.technical {
    background: #f3e8ff;
    color: #7c3aed;
}

.blog-category.insights {
    background: #dbeafe;
    color: #1e40af;
}

.blog-date {
    color: #9ca3af;
    font-size: 0.75rem;
}

.blog-title {
    color: #374151;
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.blog-description {
    color: #6b7280;
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.blog-stats {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #9ca3af;
    font-size: 0.75rem;
}

/* Projects Page Styles */
.project-filters {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 2rem;
    overflow-x: auto;
    padding-bottom: 0.25rem;
}

.featured-project-large {
    background: white;
    border-radius: 1.5rem;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.featured-project-large:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.project-header-large {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.project-info-large {
    flex: 1;
}

.project-badge.featured {
    background: #dcfce7;
    color: #166534;
    padding: 0.5rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 500;
    display: inline-block;
    margin-bottom: 1rem;
}

.project-title-large {
    font-size: 1.5rem;
    font-weight: bold;
    color: #374151;
    margin-bottom: 1rem;
}

.project-description-large {
    color: #6b7280;
    font-size: 1rem;
    line-height: 1.7;
}

.project-icon-large {
    width: 4rem;
    height: 4rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-left: 2rem;
    flex-shrink: 0;
}

.project-metrics-large {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.metric-large {
    text-align: center;
}

.metric-value-large {
    font-size: 1.875rem;
    font-weight: bold;
    color: #374151;
    display: block;
}

.metric-label-large {
    color: #6b7280;
    font-size: 0.875rem;
}

.project-footer-large {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.tech-tags-large {
    display: flex;
    gap: 0.75rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.project-card-header {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.project-card-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.125rem;
    flex-shrink: 0;
}

.project-card-icon.mobile {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.project-card-icon.analytics {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.project-card-icon.ml {
    background: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
}

.project-card-icon.web {
    background: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
}

.project-card-info {
    flex: 1;
}

.project-card-title {
    color: #374151;
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.project-card-description {
    color: #6b7280;
    font-size: 0.875rem;
    line-height: 1.6;
}

.project-card-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.card-metric-value {
    font-size: 1.25rem;
    font-weight: bold;
    color: #374151;
    display: block;
}

.card-metric-label {
    color: #6b7280;
    font-size: 0.75rem;
}

.project-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.project-card-tags {
    display: flex;
    gap: 0.5rem;
}

.tag-small {
    padding: 0.25rem 0.5rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    background: #f1f5f9;
    color: #64748b;
}

.tag-small.mobile {
    background: #dcfce7;
    color: #166534;
}

.tag-small.python {
    background: #dcfce7;
    color: #166534;
}

.tag-small.ml {
    background: #f3e8ff;
    color: #7c3aed;
}

.tag-small.web {
    background: #dbeafe;
    color: #1e40af;
}

.project-arrow {
    color: #9ca3af;
    font-size: 0.875rem;
}

/* Contact Page Styles */
.contact-grid-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-form-container {
    display: flex;
    flex-direction: column;
}

.contact-form-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.contact-form-title {
    font-size: 1.25rem;
    font-weight: bold;
    color: #374151;
    margin-bottom: 1.5rem;
}

.contact-form-new {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

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

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group-half {
    display: flex;
    flex-direction: column;
}

.form-label {
    color: #374151;
    font-weight: 500;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.form-input {
    padding: 0.75rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: 0.75rem;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    background: white;
    color: #374151;
}

.form-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input::placeholder {
    color: #9ca3af;
}

.form-select {
    cursor: pointer;
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.btn-full {
    width: 100%;
}

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

.contact-methods-card,
.availability-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.contact-card-title {
    font-size: 1.25rem;
    font-weight: bold;
    color: #374151;
    margin-bottom: 1.5rem;
}

.contact-methods-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

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

.contact-method-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    flex-shrink: 0;
}

.contact-method-icon.linkedin {
    background: #dcfce7;
    color: #166534;
}

.contact-method-icon.location {
    background: #fed7aa;
    color: #ea580c;
}

.contact-method-icon.response {
    background: #dbeafe;
    color: #1e40af;
}

.contact-method-content {
    flex: 1;
}

.contact-method-title {
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.25rem;
    font-size: 0.875rem;
}

.contact-method-link {
    color: #6b7280;
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.contact-method-description {
    color: #9ca3af;
    font-size: 0.75rem;
}

.availability-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.availability-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem;
    border-radius: 0.75rem;
}

.availability-item.available {
    background: #f0fdf4;
}

.availability-item.limited {
    background: #fefce8;
}

.availability-indicator {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    margin-right: 0.75rem;
}

.availability-item.available .availability-indicator {
    background: #22c55e;
}

.availability-item.limited .availability-indicator {
    background: #eab308;
}

.availability-label {
    color: #374151;
    font-weight: 500;
    font-size: 0.875rem;
    flex: 1;
}

.availability-status {
    font-size: 0.75rem;
    font-weight: 500;
}

.availability-item.available .availability-status {
    color: #166534;
}

.availability-item.limited .availability-status {
    color: #ca8a04;
}

.response-guarantee-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 1rem;
    padding: 1.5rem;
    color: white;
}

.response-guarantee-title {
    font-size: 1.125rem;
    font-weight: bold;
    margin-bottom: 0.75rem;
}

.response-guarantee-text {
    font-size: 0.875rem;
    line-height: 1.6;
    opacity: 0.95;
    margin-bottom: 1rem;
}

.response-guarantee-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    opacity: 0.85;
}

/* About Page Styles */
.about-content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.about-main-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.about-profile-card,
.about-experience-card,
.about-education-card,
.about-skills-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.about-card-title {
    font-size: 1.125rem;
    font-weight: bold;
    color: #374151;
    margin-bottom: 1rem;
}

.about-profile-header {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.about-profile-avatar {
    width: 5rem;
    height: 5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
}

.about-profile-info {
    flex: 1;
}

.about-profile-name {
    font-size: 1.25rem;
    font-weight: bold;
    color: #374151;
    margin-bottom: 0.25rem;
}

.about-profile-role {
    color: #6b7280;
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
}

.about-profile-badges {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.profile-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 500;
}

.profile-badge.experience {
    background: #dbeafe;
    color: #1e40af;
}

.profile-badge.leadership {
    background: #dcfce7;
    color: #166534;
}

.profile-badge.analytics {
    background: #f3e8ff;
    color: #7c3aed;
}

.about-profile-description {
    color: #6b7280;
    font-size: 0.875rem;
    line-height: 1.6;
}

.experience-timeline {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.experience-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.experience-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.experience-icon.senior {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.experience-icon.lead {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.experience-icon.analyst {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.experience-content {
    flex: 1;
}

.experience-title {
    color: #374151;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.experience-company {
    color: #6b7280;
    font-size: 0.75rem;
    margin-bottom: 0.5rem;
}

.experience-description {
    color: #6b7280;
    font-size: 0.75rem;
    line-height: 1.5;
}

.education-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.education-item {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.education-icon {
    width: 2rem;
    height: 2rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.education-icon:nth-child(1) {
    background: #dbeafe;
    color: #1e40af;
}

.education-icon:nth-child(1) + * .education-icon {
    background: #dcfce7;
    color: #166534;
}

.education-icon:last-child {
    background: #f3e8ff;
    color: #7c3aed;
}

.education-content {
    flex: 1;
}

.education-title {
    color: #374151;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 0.125rem;
}

.education-school {
    color: #6b7280;
    font-size: 0.75rem;
}

.about-skills-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.skill-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.skill-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-icon {
    font-size: 0.875rem;
}

.skill-icon.fa-code {
    color: #3b82f6;
}

.skill-icon.fa-chart-bar {
    color: #10b981;
}

.skill-icon.fa-database {
    color: #8b5cf6;
}

.skill-icon.fa-brain {
    color: #f59e0b;
}

.skill-icon.fa-users {
    color: #ec4899;
}

.skill-name {
    color: #374151;
    font-size: 0.875rem;
    font-weight: 500;
}

.skill-level {
    display: flex;
    align-items: center;
}

.skill-dots {
    display: flex;
    gap: 0.25rem;
}

.skill-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: #e5e7eb;
}

.skill-dot.active {
    background: #3b82f6;
}

/* Mobile Header */
.mobile-header {
    display: none;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1001;
    margin-bottom: 1rem;
    width: 100%;
}

.mobile-title {
    font-size: 1.25rem;
    font-weight: bold;
    color: #374151;
    margin: 0;
}

/* Hamburger Button */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    position: relative;
    z-index: 1002;
}

.nav-toggle span {
    width: 1.5rem;
    height: 2px;
    background: #374151;
    margin: 3px 0;
    transition: all 0.3s ease;
    transform-origin: center;
}

.nav-toggle:hover span {
    background: #667eea;
}

.nav-toggle:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* Hamburger Animation */
.nav-toggle-active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle-active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .main-content {
        margin-left: 280px;
    }
    
    .sidebar {
        width: 280px;
    }
    
    .expertise-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1rem;
    }
    
    .insights-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .desktop-layout {
        flex-direction: column !important;
    }
    
    .sidebar {
        width: 100% !important;
        position: fixed !important;
        height: 100vh !important;
        top: 0 !important;
        left: -100% !important;
        z-index: 1000 !important;
        transition: left 0.3s ease !important;
        overflow-y: auto !important;
    }
    
    .sidebar.nav-menu-active {
        left: 0 !important;
    }
    
    .main-content {
        margin-left: 0 !important;
        padding: 0 1rem 1rem 1rem !important;
        width: 100% !important;
    }
    
    .mobile-header {
        display: flex !important;
    }
    
    /* Hide mobile header when navigation menu is active */
    .sidebar.nav-menu-active ~ .main-content .mobile-header {
        display: none !important;
    }
    
    .nav-toggle {
        display: flex !important;
    }
    
    .sidebar-header {
        padding: 1.5rem;
    }
    
    .profile-avatar {
        width: 80px;
        height: 80px;
    }
    
    .profile-initials {
        width: 72px;
        height: 72px;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .expertise-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .project-header {
        flex-direction: column;
        text-align: center;
    }
    
    .project-icon {
        margin: 1rem auto 0;
    }
    
    .project-metrics {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    .project-footer {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    .tech-tags {
        justify-content: center;
    }
    
    .insights-grid {
        grid-template-columns: 1fr;
    }
    
    .insight-content {
        flex-direction: column;
        text-align: center;
    }
    
    .insight-icon {
        margin: 0 auto;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .blog-filters {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .blog-content {
        flex-direction: column;
        text-align: center;
    }
    
    .blog-icon {
        margin: 0 auto;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .project-filters {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .project-header-large {
        flex-direction: column;
        text-align: center;
    }
    
    .project-icon-large {
        margin: 1rem auto 0;
    }
    
    .project-metrics-large {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    .project-footer-large {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    .tech-tags-large {
        justify-content: center;
    }
    
    .contact-grid-layout {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .about-content-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .about-profile-header {
        flex-direction: column;
        text-align: center;
    }
    
    .about-profile-avatar {
        margin: 0 auto;
    }
}

/* Customer Experience Dashboard Specific Styles */
.chart-container {
    position: relative;
    height: 400px;
    width: 100%;
}

.kpi-card {
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

/* Chart responsive behavior */
canvas {
    max-width: 100% !important;
    height: auto !important;
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #667eea;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

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

/* Dashboard Mobile Optimizations */
@media (max-width: 768px) {
    /* Dashboard mobile adjustments */
    .chart-container {
        height: 300px;
    }
    
    /* Stack KPI cards on mobile */
    .grid.grid-cols-6 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Ensure charts are responsive */
    canvas {
        max-height: 250px !important;
    }
}

@media (max-width: 480px) {
    .chart-container {
        height: 250px;
    }
    
    .grid.grid-cols-6 {
        grid-template-columns: 1fr;
    }
    
    .grid.grid-cols-2 {
        grid-template-columns: 1fr;
    }
    
    /* Smaller text on mobile */
    .text-2xl {
        font-size: 1.5rem;
    }
    
    .text-xl {
        font-size: 1.25rem;
    }
    
    /* Mobile chart height */
    canvas {
        max-height: 200px !important;
    }
}

@media (max-width: 480px) {
    .expertise-grid {
        grid-template-columns: 1fr;
    }
    
    .project-metrics {
        grid-template-columns: 1fr;
        gap: 1rem;
        text-align: center;
    }
    
    .tech-tags {
        flex-direction: column;
        align-items: center;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .blog-card {
        padding: 1rem;
    }
    
    .blog-filters {
        gap: 0.5rem;
    }
    
    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .project-card {
        padding: 1rem;
    }
    
    .project-filters {
        gap: 0.5rem;
    }
    
    .project-card-header {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }
    
    .project-card-icon {
        margin: 0 auto;
    }
    
    .project-card-metrics {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .project-card-footer {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .project-card-tags {
        justify-content: center;
    }
    
    .project-metrics-large {
        grid-template-columns: 1fr;
        gap: 1rem;
        text-align: center;
    }
    
    .tech-tags-large {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .contact-grid-layout {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .contact-form-card,
    .contact-methods-card,
    .availability-card,
    .response-guarantee-card {
        padding: 1rem;
    }
    
    .contact-method-item {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }
    
    .contact-method-icon {
        margin: 0 auto;
    }
    
    .availability-item {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    .availability-indicator {
        margin: 0 auto;
    }
    
    .about-content-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .about-profile-card,
    .about-experience-card,
    .about-education-card,
    .about-skills-card {
        padding: 1rem;
    }
    
    .about-profile-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .about-profile-avatar {
        margin: 0 auto;
        width: 4rem;
        height: 4rem;
        font-size: 1.25rem;
    }
    
    .experience-item {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }
    
    .experience-icon {
        margin: 0 auto;
    }
    
    .education-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .education-icon {
        margin: 0 auto;
    }
}

/* Tools & Technologies Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.tool-tag {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    text-align: center;
    transition: all 0.2s ease;
}

.tool-tag.python {
    background: #dbeafe;
    color: #1d4ed8;
}

.tool-tag.sql {
    background: #dcfce7;
    color: #15803d;
}

.tool-tag.tableau {
    background: #f3e8ff;
    color: #7c2d12;
}

.tool-tag.powerbi {
    background: #fed7aa;
    color: #c2410c;
}

.tool-tag.fabric {
    background: #ccfbf1;
    color: #0f766e;
}

.tool-tag.ga {
    background: #fce7f3;
    color: #be185d;
}

.tool-tag.campaign {
    background: #e0e7ff;
    color: #4338ca;
}

.tool-tag.api {
    background: #fee2e2;
    color: #dc2626;
}