/* ===================================
   TUTORING WEBSITE CSS
   Modern, Responsive Design
   ================================== */

/* ===================================
   CSS RESET & BASE STYLES
   ================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    overflow-x: hidden;
    padding-top: 80px;
}

/* ===================================
   COLOR VARIABLES
   ================================== */
:root {
    /* Primary Colors */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    
    /* Secondary Colors */
    --secondary-color: #10b981;
    --secondary-dark: #059669;
    --secondary-light: #34d399;
    
    /* Accent Colors */
    --accent-color: #f59e0b;
    --accent-dark: #d97706;
    
    /* Neutral Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Status Colors */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #3b82f6;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-dark: #1f2937;
    
    /* Text Colors */
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

/* ===================================
   TYPOGRAPHY
   ================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: 2.25rem;
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 1.875rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1.125rem;
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.lead {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

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

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

ul, ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

li {
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

blockquote {
    border-left: 4px solid var(--primary-color);
    padding: var(--spacing-md) 0 var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    font-style: italic;
    font-size: 1.125rem;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
}

/* ===================================
   UTILITY CLASSES
   ================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.hidden {
    display: none;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ===================================
   BUTTONS
   ================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 2px solid var(--gray-300);
}

.btn-outline:hover {
    background-color: var(--gray-100);
    border-color: var(--gray-400);
    color: var(--text-primary);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* ===================================
   NAVIGATION
   ================================== */
.navbar {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all var(--transition-normal);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-logo h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-lg);
}

.nav-link {
    font-weight: 500;
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background-color: var(--primary-color);
    background-color: rgba(37, 99, 235, 0.1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle .bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    margin: 2px 0;
    transition: all var(--transition-fast);
    border-radius: 3px;
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: left var(--transition-normal);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-lg) 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

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

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
}

/* ===================================
   HERO SECTIONS
   ================================== */
.hero {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, white 100%);
    padding: 120px 0 80px;
    margin-top: 0;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

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

.hero-description {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.hero-approach {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
    color: var(--text-secondary);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-image {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.hero-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: transform var(--transition-normal);
}

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

.hero-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.hero-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.hero-card p {
    color: var(--text-secondary);
    font-size: 0.975rem;
    margin: 0;
}

/* Page Hero (for internal pages) */
.page-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 120px 0 80px;
    margin-top: 0;
    text-align: center;
}

.page-hero h1 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.page-hero p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto;
}

.hero-highlight {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.pricing-banner {
    margin-top: var(--spacing-lg);
    display: flex;
    justify-content: center;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    text-align: center;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.pricing-card h2 {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-xs);
}

.pricing-card p {
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xs);
}

.pricing-card small {
    color: rgba(255, 255, 255, 0.7);
}

/* ===================================
   SECTIONS
   ================================== */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-2xl);
    color: var(--text-primary);
}

section {
    padding: var(--spacing-2xl) 0;
}

/* Stats Section */
.stats {
    background-color: var(--bg-secondary);
    padding: var(--spacing-xl) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    text-align: center;
}

.stat-item h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.stat-item p {
    color: var(--text-secondary);
    font-weight: 500;
    margin: 0;
}

/* Services Preview */
.services-preview {
    padding: var(--spacing-2xl) 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.service-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-200);
}

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

.service-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.service-card h3 {
    margin-bottom: var(--spacing-md);
}

.service-card p {
    color: var(--text-secondary);
}

.services-cta {
    text-align: center;
}

/* Contact Preview */
.contact-preview {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--spacing-2xl) 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-2xl);
    align-items: center;
}

.contact-info h2 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.contact-info p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.9);
    transition: color var(--transition-fast);
}

.contact-link:hover {
    color: white;
}

.contact-form-preview {
    display: flex;
    align-items: center;
}

/* ===================================
   ABOUT PAGE SPECIFIC
   ================================== */
.about-content {
    padding: var(--spacing-2xl) 0;
}

.about-intro {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin-bottom: var(--spacing-2xl);
}

.intro-image {
    text-align: center;
}

.profile-image {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    margin: 0 auto;
    object-fit: cover;
    box-shadow: var(--shadow-lg);
    border: 4px solid white;
}

.profile-placeholder {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.profile-placeholder i {
    font-size: 4rem;
    color: white;
}

.expertise-section {
    margin: var(--spacing-2xl) 0;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.expertise-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
}

.expertise-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.expertise-icon {
    margin-bottom: var(--spacing-md);
}

.expertise-icon i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.expertise-card ul {
    list-style: none;
    padding: 0;
}

.expertise-card li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.expertise-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

.philosophy-section {
    background-color: var(--bg-secondary);
    padding: var(--spacing-2xl) 0;
    margin: var(--spacing-2xl) 0;
}

.philosophy-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.philosophy-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.philosophy-icon i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.mission-section {
    text-align: center;
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--gray-50) 0%, white 100%);
    margin: var(--spacing-2xl) 0;
    border-radius: var(--radius-xl);
}

.mission-content {
    max-width: 800px;
    margin: 0 auto;
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-marker {
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.timeline-content {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    width: 45%;
    border: 1px solid var(--gray-200);
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: 55%;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 55%;
}

.timeline-date {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.875rem;
}

.about-cta {
    text-align: center;
    padding: var(--spacing-2xl) 0;
    background-color: var(--bg-secondary);
    margin-top: var(--spacing-2xl);
    border-radius: var(--radius-xl);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

/* ===================================
   SERVICES PAGE
   ================================== */
.services-intro {
    background-color: var(--bg-secondary);
    padding: var(--spacing-2xl) 0;
}

.intro-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: white;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.stat i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

.stat span {
    font-weight: 600;
    color: var(--text-primary);
}

.services-main {
    padding: var(--spacing-2xl) 0;
}

.service-section {
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-2xl);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.service-section.highlight {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 1px var(--secondary-color), var(--shadow-lg);
}

.service-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.service-header i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.service-details {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
}

.service-features h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.service-benefits h4 {
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

.benefit-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.benefit-item i {
    color: var(--secondary-color);
    margin-top: 0.125rem;
    flex-shrink: 0;
}

.no-pricing {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-dark) 100%);
    color: white;
    padding: var(--spacing-2xl) 0;
}

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

.pricing-content h2 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.pricing-content .lead {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

.free-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.benefit {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.benefit i {
    font-size: 2rem;
    color: white;
    margin-bottom: var(--spacing-md);
}

.benefit h3 {
    color: white;
    margin-bottom: var(--spacing-sm);
}

.benefit p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

.community-message {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.community-message blockquote {
    border-left: 4px solid white;
    color: rgba(255, 255, 255, 0.95);
    background: transparent;
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
}

.community-message cite {
    color: rgba(255, 255, 255, 0.8);
    font-style: normal;
    font-weight: 500;
}

.how-it-works {
    padding: var(--spacing-2xl) 0;
    background-color: var(--bg-secondary);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.step {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-md);
}

.step h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.step p {
    color: var(--text-secondary);
    margin: 0;
}

.services-cta {
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.response-time {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    color: var(--text-secondary);
    font-style: italic;
}

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

/* ===================================
   CONTACT PAGE
   ================================== */
.contact-section {
    padding: var(--spacing-2xl) 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.contact-intro {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.contact-method:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.contact-method:hover .contact-icon i {
    color: white;
}

.contact-method:hover .contact-details h3,
.contact-method:hover .contact-details a,
.contact-method:hover .contact-details p {
    color: white;
}

.contact-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: white;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast);
}

.contact-icon i {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: color var(--transition-fast);
}

.contact-details h3 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.25rem;
}

.contact-details a {
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--primary-color);
    transition: color var(--transition-fast);
}

.contact-details p {
    margin: var(--spacing-xs) 0 0 0;
    font-size: 0.875rem;
    color: var(--text-light);
    transition: color var(--transition-fast);
}

.availability {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.availability h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.availability-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.availability-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-200);
}

.availability-item:last-child {
    border-bottom: none;
}

.availability-item strong {
    color: var(--text-primary);
    font-weight: 600;
}

.availability-item span {
    color: var(--text-secondary);
}

.form-container {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

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

.form-group label {
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.checkbox-group {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.checkbox-group input[type="checkbox"] {
    margin: 0;
    flex-shrink: 0;
}

.checkbox-group label {
    margin: 0;
    cursor: pointer;
}

.form-note {
    font-size: 0.875rem;
    color: var(--text-light);
    text-align: center;
    margin-top: var(--spacing-sm);
}

.contact-faq {
    background-color: var(--bg-secondary);
    padding: var(--spacing-2xl) 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.faq-item {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.faq-item h3 {
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
    font-size: 1.125rem;
}

.faq-item p {
    margin: 0;
    color: var(--text-secondary);
}

.contact-cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.contact-cta h2 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.contact-cta p {
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

.cta-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
    flex-wrap: wrap;
}

.cta-stats .stat {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    flex-direction: column;
    gap: var(--spacing-xs);
    text-align: center;
    min-width: 120px;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: white;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

.quick-contact {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===================================
   PORTFOLIO PAGE
   ================================== */
.portfolio-links {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.tech-stack {
    background-color: var(--bg-secondary);
    padding: var(--spacing-2xl) 0;
}

.tech-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.tech-category {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.tech-category h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
    font-size: 1.25rem;
}

.tech-category i {
    font-size: 1.5rem;
}

.tech-items {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tech-item {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--gray-200);
    transition: all var(--transition-fast);
}

.tech-item:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.featured-projects {
    padding: var(--spacing-2xl) 0;
}

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

.project-card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: all var(--transition-normal);
}

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

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) var(--spacing-lg) 0;
}

.project-header h3 {
    margin: 0;
    font-size: 1.25rem;
}

.project-links {
    display: flex;
    gap: var(--spacing-sm);
}

.project-links a {
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

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

.project-image {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: center;
}

.project-icon {
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.7;
}

.project-content {
    padding: 0 var(--spacing-lg) var(--spacing-md);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.tech-tag {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.project-stats {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
    background: var(--bg-secondary);
}

.project-stats .stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: none;
    padding: 0;
    box-shadow: none;
}

.project-stats .stat i {
    color: var(--text-light);
    font-size: 0.875rem;
}

.project-stats .stat span {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: normal;
}

.github-activity {
    background-color: var(--bg-secondary);
    padding: var(--spacing-2xl) 0;
}

.github-section {
    max-width: 1000px;
    margin: 0 auto;
}

.github-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.github-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.github-card h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.contribution-placeholder {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.contribution-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.contribution-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.contribution-item i {
    color: var(--secondary-color);
}

.professional-links {
    padding: var(--spacing-2xl) 0;
}

.profiles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.profile-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    text-align: center;
    transition: all var(--transition-normal);
}

.profile-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.profile-icon i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.skills-certifications {
    background-color: var(--bg-secondary);
    padding: var(--spacing-2xl) 0;
}

.skills-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.skills-section,
.certifications-section {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.skills-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.skill-category h3 {
    color: var(--primary-color);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.skill-category ul {
    list-style: none;
    padding: 0;
}

.skill-category li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.skill-category li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

.cert-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.cert-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.cert-item i {
    color: var(--accent-color);
}

.portfolio-cta {
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

/* ===================================
   BLOG PAGES
   ================================== */
.blog-filter {
    background-color: var(--bg-secondary);
    padding: var(--spacing-lg) 0;
}

.filter-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    background: white;
    color: var(--text-primary);
    border: 2px solid var(--gray-200);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
}

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

.featured-post {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--gray-50) 0%, white 100%);
}

.featured-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.featured-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.post-info {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    align-items: center;
}

.post-date,
.read-time {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-light);
    font-size: 0.875rem;
}

.post-category {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.post-category.programming {
    background: var(--primary-color);
    color: white;
}

.post-category.cloud {
    background: var(--info-color);
    color: white;
}

.post-category.career {
    background: var(--secondary-color);
    color: white;
}

.featured-content h2 {
    margin-bottom: var(--spacing-md);
    font-size: 2rem;
}

.featured-content h2 a {
    color: var(--text-primary);
    text-decoration: none;
}

.featured-content h2 a:hover {
    color: var(--primary-color);
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin: var(--spacing-md) 0;
}

.tag {
    background: var(--gray-200);
    color: var(--text-primary);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--primary-color);
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.read-more:hover {
    gap: var(--spacing-sm);
}

.featured-icon {
    font-size: 8rem;
    color: var(--primary-color);
    opacity: 0.1;
}

.blog-posts {
    padding: var(--spacing-2xl) 0;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.blog-card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.blog-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.card-image {
    position: relative;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon {
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.8);
}

.card-image .post-category {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
}

.card-content {
    padding: var(--spacing-lg);
}

.post-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-light);
}

.card-content h3 {
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
}

.card-content h3 a {
    color: var(--text-primary);
    text-decoration: none;
}

.card-content h3 a:hover {
    color: var(--primary-color);
}

.card-content p {
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-200);
}

.post-stats {
    font-size: 0.875rem;
    color: var(--text-light);
}

.newsletter {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--spacing-2xl) 0;
}

.newsletter-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.newsletter-text h2 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.newsletter-text p {
    color: rgba(255, 255, 255, 0.9);
}

.newsletter-form form {
    display: flex;
    gap: var(--spacing-sm);
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    backdrop-filter: blur(10px);
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.newsletter-form input:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.newsletter-form .btn {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    white-space: nowrap;
}

.newsletter-form .btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

.newsletter-note {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--spacing-sm);
}

.blog-categories {
    background-color: var(--bg-secondary);
    padding: var(--spacing-2xl) 0;
}

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

.category-card {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    text-align: center;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.category-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.category-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.category-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.post-count {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 500;
}

.blog-cta {
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

/* ===================================
   INDIVIDUAL BLOG POST
   ================================== */
.blog-post {
    margin-top: 0;
}

.post-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--spacing-2xl) 0;
}

.post-breadcrumb {
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    opacity: 0.9;
}

.post-breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
}

.post-breadcrumb .current {
    color: white;
}

.post-header h1 {
    color: white;
    font-size: 3rem;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.post-meta {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.author-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.author-avatar i {
    font-size: 2.5rem;
    color: rgba(255, 255, 255, 0.8);
}

.author-details {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: white;
}

.post-stats {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    flex-wrap: wrap;
}

.post-stats span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.post-content {
    padding: var(--spacing-2xl) 0;
}

.content-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.article-content {
    max-width: none;
}

.article-content h2 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.article-content h3 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.article-content h4 {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

/* Code blocks */
.article-content pre {
    background: var(--gray-900);
    color: var(--gray-100);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    margin: var(--spacing-lg) 0;
    border: 1px solid var(--gray-700);
}

.article-content code {
    background: var(--gray-100);
    color: var(--gray-800);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-family: 'Courier New', monospace;
}

.article-content pre code {
    background: transparent;
    color: inherit;
    padding: 0;
}

/* Special content boxes */
.insight-box,
.tip-box,
.warning-box {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin: var(--spacing-lg) 0;
    border-left: 4px solid;
}

.insight-box {
    background: rgba(59, 130, 246, 0.05);
    border-left-color: var(--info-color);
}

.tip-box {
    background: rgba(16, 185, 129, 0.05);
    border-left-color: var(--success-color);
}

.warning-box {
    background: rgba(239, 68, 68, 0.05);
    border-left-color: var(--error-color);
}

.insight-box h4,
.tip-box h4,
.warning-box h4 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.insight-box h4 i {
    color: var(--info-color);
}

.tip-box h4 i {
    color: var(--success-color);
}

.warning-box h4 i {
    color: var(--error-color);
}

/* Steps and processes */
.steps-container,
.step-by-step {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.step {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

/* Practice sections */
.practice-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    margin: var(--spacing-2xl) 0;
}

.practice-section h3 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.practice-section p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
}

.practice-section .btn {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.practice-section .btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* Sidebar */
.article-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.toc,
.related-posts,
.author-bio {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    margin-bottom: var(--spacing-lg);
}

.toc h3,
.related-posts h3,
.author-bio h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

.toc ul {
    list-style: none;
    padding: 0;
}

.toc li {
    margin-bottom: var(--spacing-xs);
}

.toc a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

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

.related-post {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-200);
}

.related-post:last-child {
    border-bottom: none;
}

.related-post a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    flex: 1;
}

.related-post a:hover {
    color: var(--primary-color);
}

.related-post span {
    font-size: 0.875rem;
    color: var(--text-light);
    white-space: nowrap;
    margin-left: var(--spacing-sm);
}

.bio-content {
    text-align: center;
}

.author-bio .author-avatar {
    margin-bottom: var(--spacing-md);
}

.author-bio .author-avatar i {
    font-size: 3rem;
    color: var(--primary-color);
}

.author-bio p {
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.author-bio .social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
}

.author-bio .social-links a {
    width: 35px;
    height: 35px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.author-bio .social-links a:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Post Footer */
.post-footer {
    background-color: var(--bg-secondary);
    padding: var(--spacing-2xl) 0;
}

.post-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.nav-previous,
.nav-next {
    display: flex;
    flex-direction: column;
}

.nav-previous {
    text-align: left;
}

.nav-next {
    text-align: right;
}

.nav-label {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-xs);
}

.nav-previous a,
.nav-next a {
    color: var(--text-primary);
    font-weight: 500;
    text-decoration: none;
}

.nav-previous a:hover,
.nav-next a:hover {
    color: var(--primary-color);
}

.share-article {
    text-align: center;
}

.share-article h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.share-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.share-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.share-btn.twitter {
    background: #1da1f2;
    color: white;
}

.share-btn.linkedin {
    background: #0077b5;
    color: white;
}

.share-btn.facebook {
    background: #1877f2;
    color: white;
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ===================================
   FOOTER
   ================================== */
.footer {
    background-color: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
}

.footer-section h4 {
    color: var(--gray-200);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

.footer-section p {
    color: var(--gray-400);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-contact {
    margin-top: var(--spacing-md);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
}

.footer-contact i {
    color: var(--primary-color);
    width: 16px;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    color: var(--gray-400);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-800);
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: 0.875rem;
    margin: 0;
}

/* ===================================
   RESPONSIVE DESIGN
   ================================== */

/* Tablet */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .hero-image {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .about-intro {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .service-details {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .github-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .skills-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .featured-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .newsletter-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .content-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .article-sidebar {
        position: static;
        order: -1;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        flex-direction: row !important;
    }
    
    .timeline-item .timeline-content {
        width: calc(100% - 60px) !important;
        margin: 0 0 0 60px !important;
    }
    
    .timeline-marker {
        left: 20px !important;
        transform: none !important;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --spacing-xs: 0.375rem;
        --spacing-sm: 0.75rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-image {
        grid-template-columns: 1fr;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .services-grid,
    .expertise-grid,
    .philosophy-content,
    .projects-grid,
    .profiles-grid,
    .posts-grid,
    .categories-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .contact-methods {
        gap: var(--spacing-md);
    }
    
    .contact-method {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .steps {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .free-benefits {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .cta-buttons,
    .quick-contact {
        flex-direction: column;
        align-items: center;
    }
    
    .tech-categories {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-sm);
    }
    
    .post-header h1 {
        font-size: 2.25rem;
    }
    
    .post-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .post-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
    
    .post-navigation {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .nav-next {
        text-align: left;
    }
    
    .newsletter-form form {
        flex-direction: column;
    }
    
    .share-buttons {
        flex-direction: column;
        max-width: 200px;
        margin: 0 auto;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .timeline {
        margin-left: var(--spacing-md);
    }
    
    .timeline::before {
        left: 0;
    }
    
    .timeline-marker {
        left: 0 !important;
    }
    
    .timeline-item .timeline-content {
        margin-left: var(--spacing-lg) !important;
        width: calc(100% - var(--spacing-lg)) !important;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description,
    .hero-approach {
        font-size: 1rem;
    }
    
    .service-card,
    .project-card,
    .blog-card {
        margin: 0 var(--spacing-sm);
    }
    
    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.875rem;
    }
    
    .btn-large {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .cta-stats {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-buttons {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: var(--spacing-sm);
    }
    
    .filter-btn {
        flex-shrink: 0;
    }
}

/* ===================================
   PRINT STYLES
   ================================== */
@media print {
    .navbar,
    .footer,
    .post-footer,
    .practice-section,
    .article-sidebar,
    .share-article {
        display: none !important;
    }
    
    .blog-post {
        margin-top: 0;
    }
    
    .post-content {
        padding: 0;
    }
    
    .content-wrapper {
        grid-template-columns: 1fr;
    }
    
    * {
        color: black !important;
        background: white !important;
    }
    
    a {
        text-decoration: underline !important;
    }
}

/* ===================================
   ACCESSIBILITY ENHANCEMENTS
   ================================== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto !important;
    }
}

/* Focus indicators */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

button:focus,
.btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --text-secondary: var(--text-primary);
        --gray-400: var(--gray-700);
        --gray-500: var(--gray-800);
    }
}

/* Dark mode (future enhancement) */
@media (prefers-color-scheme: dark) {
    /* Dark mode styles can be added here in the future */
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

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

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

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-300);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Smooth scrolling for anchor links */
html {
    scroll-padding-top: 100px;
}

/* Enhanced focus for keyboard navigation */
.nav-link:focus,
.btn:focus,
a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Improve readability */
.article-content {
    line-height: 1.7;
}

.article-content p {
    margin-bottom: 1.5rem;
}

.article-content li {
    margin-bottom: 0.5rem;
}

/* ===================================
   PRICING NOTES
   ================================== */
.pricing-note {
    background: rgba(37, 99, 235, 0.1);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
    color: var(--primary-color);
    font-weight: 500;
}

.free-note {
    background: rgba(16, 185, 129, 0.1);
    border: 2px solid var(--secondary-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
    color: var(--secondary-color);
    font-weight: 500;
}

.pricing-note strong,
.free-note strong {
    display: block;
    margin-bottom: var(--spacing-xs);
}

/* End of CSS */