/* ==========================================
   CSS Variables & Root Styles
   ========================================== */
:root {
    /* Colors - Light Theme - Modern Minimal */
    --bg-primary: #ffffff;
    --bg-secondary: #fafafa;
    --bg-tertiary: #f5f5f5;
    --text-primary: #0a0a0a;
    --text-secondary: #525252;
    --text-tertiary: #a3a3a3;
    --accent-primary: #0a0a0a;
    --accent-secondary: #525252;
    --accent-gradient: linear-gradient(135deg, #0a0a0a 0%, #404040 100%);
    --border-color: #e5e5e5;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 8px 24px rgba(0, 0, 0, 0.12);
    
    /* Fonts */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ==========================================
   Content Loading State (Prevent FOUC)
   ========================================== */
body.content-loading .hero-description,
body.content-loading .hero-cta,
body.content-loading #hero-greeting,
body.content-loading #hero-name,
body.content-loading #about-preview-text,
body.content-loading .about-skills,
body.content-loading .contact-content h3,
body.content-loading .contact-content p,
body.content-loading .contact-methods,
body.content-loading #blog-section-subtitle,
body.content-loading .section-title,
body.content-loading .section-number {
    opacity: 0;
    transition: opacity var(--transition-base);
}

body:not(.content-loading) .hero-description,
body:not(.content-loading) .hero-cta,
body:not(.content-loading) #hero-greeting,
body:not(.content-loading) #hero-name,
body:not(.content-loading) #about-preview-text,
body:not(.content-loading) .about-skills,
body:not(.content-loading) .contact-content h3,
body:not(.content-loading) .contact-content p,
body:not(.content-loading) .contact-methods,
body:not(.content-loading) #blog-section-subtitle,
body:not(.content-loading) .section-title,
body:not(.content-loading) .section-number {
    opacity: 1;
}

/* Skeleton Loading Styles */
body.content-loading .actual-content {
    display: none;
}

body.content-loading .skeleton-placeholder {
    display: block;
}

body:not(.content-loading) .actual-content {
    display: block;
}

body:not(.content-loading) .skeleton-placeholder {
    display: none;
}

/* Skeleton Base Styles */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-tertiary) 0%,
        var(--bg-secondary) 50%,
        var(--bg-tertiary) 100%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
    border-radius: var(--radius-md);
}

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton-heading {
    height: 1.5rem;
    width: 60%;
    margin-bottom: 1rem;
}

.skeleton-heading-lg {
    height: 2rem;
    width: 70%;
    margin-bottom: 1rem;
}

.skeleton-heading-xl {
    height: 3rem;
    width: 80%;
    margin: 0 auto 1rem;
}

.skeleton-card {
    height: 150px;
    margin-bottom: 1rem;
    border-radius: var(--radius-lg);
}

.skeleton-badge {
    height: 32px;
    width: 200px;
    margin: 0 auto 1.5rem;
    border-radius: 20px;
}

.skeleton-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-bottom: 1rem;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scroll-padding-top: 70px; /* Account for fixed navbar */
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    transition: background-color var(--transition-base), color var(--transition-base);
    overflow-x: hidden;
}

::selection {
    background-color: var(--text-primary);
    color: var(--bg-primary);
}

/* ==========================================
   Typography
   ========================================== */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

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

a:hover {
    color: var(--text-secondary);
}

/* ==========================================
   Container & Layout
   ========================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

/* Section Scroll Behavior - Ensure sections fill viewport (Homepage only) */
.hero,
body.home .about-section,
body.home .projects,
body.home .blog-preview,
body.home .contact-preview {
    scroll-margin-top: 70px; /* Account for fixed navbar */
}

body.home .about-section,
body.home .projects,
body.home .blog-preview,
body.home .contact-preview {
    min-height: calc(100vh - 70px); /* Full viewport minus navbar */
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Hero section already fills viewport */
.hero {
    scroll-margin-top: 0;
}

/* Ensure section content is centered vertically (Homepage only) */
body.home .about-section > .container,
body.home .projects > .container,
body.home .blog-preview > .container,
body.home .contact-preview > .container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 100%;
}

.hidden {
    display: none !important;
}

/* ==========================================
   Navigation
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background-color: rgba(255, 255, 255, 0.95);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

[data-theme="dark"] .navbar {
    background-color: rgba(10, 10, 10, 0.95);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-brand {
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.brand-link {
    text-decoration: none;
    color: inherit;
    display: inline-block;
    transition: opacity 0.2s ease;
}

.brand-link:hover {
    opacity: 0.8;
}

.brand-name {
    color: var(--text-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

/* Resume Link - More subtle styling */
.resume-link {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    opacity: 0.8;
}

.resume-link:hover {
    color: var(--text-secondary);
    opacity: 1;
}

.resume-link::after {
    display: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

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

/* ==========================================
   Buttons
   ========================================== */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
}

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-primary);
    box-shadow: none;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: var(--bg-primary);
    opacity: 0.9;
}

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

.btn-secondary:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    transform: translateY(-1px);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    min-height: 100vh;
    padding-top: 70px; /* Account for fixed navbar */
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 255, 136, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 102, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    width: 100%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-greeting {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.wave {
    display: inline-block;
    animation: wave 2s ease-in-out infinite;
    transform-origin: 70% 70%;
    margin-right: var(--spacing-xs);
}

@keyframes wave {
    0%, 100% { transform: rotate(0deg); }
    10%, 30% { transform: rotate(14deg); }
    20% { transform: rotate(-8deg); }
    40% { transform: rotate(-4deg); }
    50% { transform: rotate(10deg); }
}

.hero-greeting {
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-title {
    font-size: clamp(3rem, 7vw, 5rem);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    animation: fadeInUp 0.8s ease-out 0.35s both;
}

.gradient-text {
    color: var(--text-primary);
    transition: all var(--transition-base);
}

.gradient-text:hover {
    transform: translateY(-2px);
    text-shadow: 0 5px 15px rgba(0, 255, 136, 0.3);
}

.hero-subtitle {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
    min-height: 60px;
    animation: fadeInUp 0.8s ease-out 0.5s both;
}

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

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

@keyframes blink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    animation: fadeInUp 0.8s ease-out 0.65s both;
}

.hero-description p {
    margin-bottom: var(--spacing-md);
}

.hero-description p:last-child {
    margin-bottom: 0;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

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

.hero-social a {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    transition: all var(--transition-base);
    border: 1px solid var(--border-color);
}

.hero-social a:nth-child(1) {
    animation: slideInLeft 0.8s ease-out 0.95s both;
}

.hero-social a:nth-child(2) {
    animation: fadeInUp 0.8s ease-out 1.05s both;
}

.hero-social a:nth-child(3) {
    animation: slideInRight 0.8s ease-out 1.15s both;
}

.hero-social a:hover {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.hero-image {
    position: relative;
    padding: var(--spacing-xs);
    animation: fadeInScale 1s ease-out 0.3s both;
}

/* Hero Image Flip Animation */
.image-wrapper {
    position: relative;
    z-index: 1;
    cursor: pointer;
    display: inline-block;
}

.hero-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    max-width: 320px;
    height: auto;
    opacity: 0;
    transition: opacity 0.5s ease-in-out, transform var(--transition-slow);
    pointer-events: none;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.hero-img.active {
    opacity: 1;
    pointer-events: auto;
}

.hero-img:first-child {
    position: relative;
}

.image-wrapper:hover .hero-img.active {
    transform: scale(1.02);
}

.image-wrapper.flipped:hover .hero-img {
    transform: none;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    right: var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
    animation: bounceRight 2s infinite;
    box-shadow: var(--shadow-sm);
}

.scroll-indicator:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
    border-color: var(--text-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.scroll-indicator svg {
    transform: rotate(180deg);
}

@keyframes bounceRight {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* Responsive scroll indicator */
@media (max-width: 968px) {
    .scroll-indicator {
        right: var(--spacing-md);
        width: 44px; /* Minimum touch target size */
        height: 44px;
    }
    
    .scroll-indicator svg {
        width: 22px;
        height: 22px;
    }
}

@media (max-width: 568px) {
    .scroll-indicator {
        right: var(--spacing-sm);
    }
}

/* Hide scroll indicator on landscape mobile to prevent overlap */
@media (max-height: 500px) and (orientation: landscape) {
    .scroll-indicator {
        display: none;
    }
}

/* ==========================================
   Hero Animations
   ========================================== */

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

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* ==========================================
   Section Headers
   ========================================== */
.section-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.section-number {
    font-family: var(--font-primary);
    font-size: 0.875rem;
    color: var(--text-tertiary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    white-space: nowrap;
}

.section-line {
    flex: 1;
    height: 1px;
    background-color: var(--border-color);
    margin-left: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

/* ==========================================
   Projects Section (Featured Projects on Home)
   ========================================== */
.projects {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
    padding: var(--spacing-xl) 0;
    position: relative;
}

.projects::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.projects::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.projects .section-title {
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* Carousel style for homepage only */
.projects .carousel-container .projects-grid {
    display: flex;
    overflow-x: auto;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
}

.projects .carousel-container .projects-grid::-webkit-scrollbar {
    height: 8px;
}

.projects .carousel-container .projects-grid::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.projects .carousel-container .projects-grid::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: var(--radius-sm);
}

.projects .carousel-container .projects-grid::-webkit-scrollbar-thumb:hover {
    background: var(--accent-hover);
}

.project-card {
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    border: 2px solid var(--border-color);
    position: relative;
}

/* Carousel card sizing for homepage only */
.projects .carousel-container .project-card {
    min-width: 280px;
    max-width: 320px;
    flex-shrink: 0;
    scroll-snap-align: start;
}

.project-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    padding: 2px;
    background: linear-gradient(135deg, var(--text-primary), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--text-primary);
}

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

.project-image {
    position: relative;
    overflow: hidden;
    height: 180px;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
    position: relative;
    z-index: 1;
}

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
    z-index: 2;
}

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

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

.project-links a {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.project-links a:hover {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    transform: scale(1.05);
}

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

.project-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.3;
    transition: color var(--transition-fast);
}

.project-card:hover .project-title {
    color: var(--text-secondary);
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
    font-size: 0.9375rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.tech-tag {
    padding: 0.375rem 0.75rem;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-transform: lowercase;
}

.tech-tag:hover {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

/* Projects Filters */
.projects-filters {
    background-color: var(--bg-secondary);
    padding: var(--spacing-md) 0;
    padding-bottom: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

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

.filters-row > div:first-child {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: center;
}

.search-box {
    flex: 1;
    min-width: 250px;
}

.search-box input {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.9375rem;
    transition: all var(--transition-base);
}

.search-box input:focus {
    outline: none;
    border-color: var(--text-primary);
    box-shadow: 0 0 0 2px rgba(10, 10, 10, 0.05);
}

.sort-box {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.sort-box label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-tertiary);
    white-space: nowrap;
}

.filter-select {
    min-width: 150px;
    padding: 0.4375rem 1.75rem 0.4375rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    appearance: none;
    font-weight: 500;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath fill='%23666' d='M5 7L1 3h8z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.625rem center;
}

.filter-select:hover {
    border-color: var(--text-primary);
    background-color: var(--bg-primary);
}

.filter-select:focus {
    outline: none;
    border-color: var(--text-primary);
}

.filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
}

.filter-tag {
    padding: 0.375rem 0.75rem;
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-transform: capitalize;
}

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

.filter-tag.active {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

/* Project Tags (in cards) */
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.project-tag {
    padding: 0.375rem 0.75rem;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-transform: lowercase;
}

.project-tag:hover {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

/* Make project cards clickable */
.project-card {
    cursor: pointer;
}

/* Project detail page buttons (keep styled buttons for detail view) */
.project-detail-meta .project-links {
    display: flex;
    gap: var(--spacing-sm);
}

.project-detail-meta .project-link-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all var(--transition-base);
    border: 2px solid var(--text-primary);
    position: relative;
}

.project-detail-meta .project-link-btn:hover {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    transform: scale(1.1);
}

.project-detail-meta .project-link-btn svg {
    width: 20px;
    height: 20px;
}

/* Hide the text labels, keep only icons */
.project-detail-meta .project-link-btn {
    font-size: 0;
}

/* Project Detail View */
.project-detail-header {
    padding: var(--spacing-2xl) 0;
    border-bottom: 1px solid var(--border-color);
}

.back-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-bottom: var(--spacing-lg);
}

.back-button:hover {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

.project-detail-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin: var(--spacing-md) 0 var(--spacing-lg);
    line-height: 1.7;
}

.project-detail-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.project-detail-content {
    padding: var(--spacing-2xl) 0;
    padding-top: var(--spacing-xs) 0;
    max-width: 800px;
}

.project-detail-content h2 {
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
}

.project-detail-content h3 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
}

.project-detail-content p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.project-detail-content ul {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.project-detail-content li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.7;
}

.project-detail-content code {
    background-color: var(--bg-secondary);
    padding: 0.2em 0.4em;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.9em;
}

.project-detail-content pre {
    background-color: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: var(--spacing-md);
}

.project-detail-content pre code {
    background: none;
    padding: 0;
}

.project-detail-content img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: var(--spacing-md) auto;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.project-detail-content img[alt] {
    /* Add subtle border if image has alt text */
    border: 1px solid var(--border-color);
}

/* ==========================================
   About Section (Home Page)
   ========================================== */
.about-section {
    background-color: var(--bg-primary);
    padding: var(--spacing-sm) 0;
}

.about-section .section-title {
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-content-grid {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
    align-items: start;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.about-intro {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-primary);
    font-weight: 500;
}

.about-text p {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1rem;
}

.about-cta {
    margin-top: var(--spacing-lg);
}

.about-skills {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    position: sticky;
    top: calc(70px + var(--spacing-xl));
}

.about-skills h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
    font-weight: 600;
}

.skills-grid {
    display: grid;
    gap: var(--spacing-md);
}

.skill-category {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--bg-secondary);
    transition: all var(--transition-fast);
}

.skill-category:hover {
    border-color: var(--text-tertiary);
}

.skill-category-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
    list-style: none;
    transition: background-color var(--transition-fast);
}

.skill-category-summary::-webkit-details-marker {
    display: none;
}

.skill-category-summary:hover {
    background-color: var(--bg-primary);
}

.skill-category h4 {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-tertiary);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.skill-chevron {
    transition: transform var(--transition-base);
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.skill-category[open] .skill-chevron {
    transform: rotate(180deg);
}

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

.tech-tag {
    padding: 0.375rem 0.75rem;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-transform: lowercase;
}

.tech-tag:hover {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

@media (max-width: 968px) {
    .about-content-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .about-skills {
        position: static;
    }
}

/* ==========================================
   Blog Preview Section
   ========================================== */
.blog-preview {
    background-color: var(--bg-primary);
    padding: var(--spacing-xl) 0;
    position: relative;
}

.blog-preview .section-title {
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.blog-preview .section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    font-style: italic;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

/* Carousel style for homepage blog preview only */
.blog-preview .carousel-container .blog-grid {
    display: flex;
    overflow-x: auto;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
}

.blog-preview .carousel-container .blog-grid::-webkit-scrollbar {
    height: 8px;
}

.blog-preview .carousel-container .blog-grid::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.blog-preview .carousel-container .blog-grid::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: var(--radius-sm);
}

.blog-preview .carousel-container .blog-grid::-webkit-scrollbar-thumb:hover {
    background: var(--accent-hover);
}

.blog-card {
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    border: 2px solid var(--border-color);
    position: relative;
    cursor: pointer;
}

/* Carousel card sizing for homepage only */
.blog-preview .carousel-container .blog-card {
    min-width: 280px;
    max-width: 320px;
    flex-shrink: 0;
    scroll-snap-align: start;
}

.blog-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    padding: 2px;
    background: linear-gradient(135deg, var(--text-primary), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--text-primary);
}

.blog-card:hover::after {
    opacity: 1;
}

.blog-image {
    position: relative;
    overflow: hidden;
    height: 180px;
}

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

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

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

.blog-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.blog-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.3;
    transition: color var(--transition-fast);
}

.blog-card:hover .blog-title {
    color: var(--text-secondary);
}

.blog-excerpt {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
    font-size: 0.9375rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.blog-tag {
    padding: 0.375rem 0.75rem;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-transform: lowercase;
}

.blog-tag:hover {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

.blog-read-more {
    color: var(--text-primary);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: gap var(--transition-fast);
    font-size: 0.875rem;
    margin-top: var(--spacing-md);
}

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

.blog-loading {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
    font-style: italic;
}

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

.blog-cta .btn-secondary {
    padding: 1rem 2.5rem;
    font-size: 1.05rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.blog-cta .btn-secondary:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(5px);
}

/* ==========================================
   Carousel Navigation
   ========================================== */
.carousel-container {
    position: relative;
    padding: 0 3rem;
}

.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.carousel-nav:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-50%) scale(1.1);
}

.carousel-nav:hover svg {
    stroke: var(--bg-primary);
}

.carousel-nav svg {
    transition: stroke var(--transition-base);
}

.carousel-nav-left {
    left: 0;
}

.carousel-nav-right {
    right: 0;
}

.carousel-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.carousel-nav:disabled:hover {
    background-color: var(--bg-primary);
    border-color: var(--border-color);
    transform: translateY(-50%);
}

@media (max-width: 768px) {
    .carousel-container {
        padding: 0 2.5rem;
    }
    
    .carousel-nav {
        width: 40px;
        height: 40px;
    }
    
    .carousel-nav svg {
        width: 20px;
        height: 20px;
    }
    
    .pagination-info {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .pagination-buttons {
        flex-wrap: wrap;
    }
    
    .pagination-btn {
        font-size: 0.85rem;
        padding: var(--spacing-xs) var(--spacing-sm);
        min-width: 38px;
    }
}

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

.projects-cta .btn-secondary {
    padding: 1rem 2.5rem;
    font-size: 1.05rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.projects-cta .btn-secondary:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(5px);
}

/* ==========================================
   Contact Preview Section
   ========================================== */
/* ==========================================
   Contact Page - Revamped Design
   ========================================== */

/* Contact Hero Section */
.contact-hero {
    padding: calc(70px + var(--spacing-lg)) 0 var(--spacing-lg);
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border-bottom: 1px solid var(--border-color);
}

.contact-hero-content {
    max-width: 650px;
    margin: 0 auto;
    text-align: center;
}

.contact-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.3rem 0.75rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.contact-badge svg {
    color: var(--accent-color);
}

.contact-hero h1 {
    font-size: clamp(1.75rem, 5vw, 2.25rem);
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.2;
}

.contact-hero-text {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

/* Contact Section */
.contact-section {
    padding: var(--spacing-lg) 0 var(--spacing-xl);
}

/* Contact Layout - Single Column, Centered */
.contact-layout {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Intro Section */
.contact-intro-section {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.contact-intro-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Unified Contact Container */
.contact-unified-container {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

/* Section Subtitles */
.section-subtitle {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-md) 0;
    text-align: center;
    position: relative;
    padding-bottom: var(--spacing-xs);
}

.contact-unified-container .section-subtitle:not(:first-child) {
    margin-top: var(--spacing-xl);
}

.section-subtitle::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 2px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

/* Contact Methods Grid - 4 columns */
.contact-methods-grid {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: repeat(4, 1fr);
}

.contact-method-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background-color: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.contact-method-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.contact-method-card.primary {
    border-color: var(--accent-primary);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.contact-method-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.contact-method-card:hover::before {
    opacity: 1;
}

.method-icon {
    width: 52px;
    height: 52px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    color: var(--bg-primary);
    transition: all var(--transition-base);
    box-shadow: 0 3px 10px rgba(10, 132, 255, 0.2);
}

.contact-method-card.primary .method-icon {
    box-shadow: 0 4px 12px rgba(10, 132, 255, 0.3);
}

.contact-method-card:hover .method-icon {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 6px 16px rgba(10, 132, 255, 0.35);
}

.method-icon svg {
    width: 26px;
    height: 26px;
}

.method-content {
    flex: 1;
    width: 100%;
}

.method-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 0.375rem 0;
}

.method-description {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    margin: 0;
    line-height: 1.4;
}

.method-arrow {
    display: none;
}

/* Contact Info Grid - 3 cards in same row */
.contact-info-grid {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: repeat(3, 1fr);
}

.contact-info-card {
    background-color: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.contact-info-card:hover {
    border-color: var(--text-primary);
    transform: translateY(-4px);
}

.info-card-icon {
    width: 42px;
    height: 42px;
    margin: 0 auto var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    color: var(--bg-primary);
    transition: all var(--transition-base);
    box-shadow: 0 3px 10px rgba(10, 132, 255, 0.2);
}

.contact-info-card:hover .info-card-icon {
    transform: scale(1.08) rotate(5deg);
    box-shadow: 0 4px 12px rgba(10, 132, 255, 0.3);
}

.contact-info-card h3 {
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-weight: 700;
}

.contact-info-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

.contact-info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.contact-info-card:hover::before {
    opacity: 1;
}

/* Enhanced Contact Info Cards */
.contact-info-card .card-description {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    margin-top: var(--spacing-xs);
}

/* Location Card with Map */
.location-card .location-map {
    margin-top: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.location-card .location-map iframe {
    display: block;
    border: 2px solid var(--border-color);
}

/* Calendar Booking Card */
.calendar-card {
    text-align: center;
}

.calendar-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--accent-gradient);
    color: var(--bg-primary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 700;
    text-decoration: none;
    transition: all var(--transition-base);
    border: none;
    box-shadow: 0 3px 10px rgba(10, 132, 255, 0.3);
}

.calendar-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 14px rgba(10, 132, 255, 0.4);
}

.calendar-button svg {
    width: 16px;
    height: 16px;
}

/* Open To Card with List */
.open-to-card {
    text-align: left;
}

.open-to-list {
    list-style: none;
    padding: 0;
    margin-top: var(--spacing-md);
}

.open-to-list li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.open-to-list li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: bold;
}

.open-to-list li:last-child {
    margin-bottom: 0;
}

/* Contact Preview (Homepage) */
.contact-preview {
    background-color: var(--bg-secondary);
    padding: var(--spacing-xl) 0;
}

.contact-preview .section-title {
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-preview-content {
    max-width: 900px;
    margin: 0 auto;
}

.contact-preview-intro {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
    max-width: 700px;
}

/* Use the same contact-methods-grid styling as contact page */
.contact-preview .contact-methods-grid {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: repeat(4, 1fr);
    margin-bottom: var(--spacing-xl);
}

.contact-preview-cta {
    text-align: center;
}

.contact-preview-cta .btn-primary {
    display: inline-block;
    padding: 1rem 2rem;
}

/* ==========================================
   Page Header (About, Projects, Blog, Contact)
   ========================================== */
.page-header {
    padding-top: calc(70px + var(--spacing-lg));
    padding-bottom: var(--spacing-md);
    text-align: center;
}

.page-header h1 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.page-tagline {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    font-weight: 400;
}

/* ==========================================
   About Page
   ========================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: var(--spacing-2xl);
    align-items: start;
}

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

.about-main h2 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.about-section p {
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.about-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-md) 0;
}

.about-list li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--text-secondary);
    line-height: 1;
}

.about-list li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--text-primary);
}

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

.sidebar-card {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

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

.sidebar-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.experience-item {
    margin-bottom: var(--spacing-md);
}

.experience-item:last-child {
    margin-bottom: 0;
}

.experience-item h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.experience-duration {
    font-size: 0.875rem;
    font-style: italic;
    color: var(--text-tertiary);
    padding-bottom: var(--spacing-xs);
}

.experience-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    background: linear-gradient(180deg, transparent 0%, var(--bg-tertiary) 50%);
    padding: var(--spacing-md) 0 var(--spacing-md);
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-sm);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

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

.footer-right {
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
}

.footer-right a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    position: relative;
}

.footer-right a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--accent-color);
    transition: width var(--transition-fast);
}

.footer-right a:hover {
    color: var(--accent-color);
}

.footer-right a:hover::after {
    width: 100%;
}

/* Footer flip animation */
.footer-left {
    position: relative;
    cursor: pointer;
    overflow: hidden;
}

.footer-left-flip {
    position: relative;
    transition: transform var(--transition-base);
}

.footer-left-front,
.footer-left-back {
    transition: opacity var(--transition-base);
    width: 100%;
}

.footer-left-front {
    opacity: 1;
}

.footer-left-back {
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

.footer-left:hover .footer-left-front {
    opacity: 0;
}

.footer-left:hover .footer-left-back {
    opacity: 1;
}

/* ==========================================
   Pagination Styles
   ========================================== */
.pagination-section {
    padding: var(--spacing-sm) 0 var(--spacing-sm);
    border-top: 1px solid var(--border-color);
}

.pagination-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
}

.pagination-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

#pagination-info-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.items-per-page {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
}

.items-per-page label {
    color: var(--text-secondary);
}

.pagination-buttons {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    justify-content: center;
}

.pagination-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    min-width: 44px;
    justify-content: center;
}

.pagination-btn:hover:not(:disabled):not(.active) {
    background-color: var(--bg-primary);
    border-color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.pagination-btn.active {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--bg-primary);
    font-weight: 600;
}

.pagination-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pagination-btn.page-number {
    min-width: 40px;
    padding: var(--spacing-sm) var(--spacing-md);
}

.pagination-ellipsis {
    padding: var(--spacing-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

/* ==========================================
   Section Navigation Arrows
   ========================================== */
.section-nav {
    z-index: 100;
}

.section-nav-up {
    position: fixed;
    top: calc(70px + var(--spacing-xl));
    right: var(--spacing-xl);
    z-index: 100;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.section-nav-down {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    z-index: 100;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.section-nav.visible .section-nav-up,
.section-nav.visible .section-nav-down {
    opacity: 1;
}

.section-nav-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.section-nav-btn:hover {
    background-color: var(--bg-primary);
    border-color: var(--text-primary);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.section-nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    pointer-events: none;
}

.section-nav-btn:active {
    transform: translateY(0);
}

@media (max-width: 968px) {
    .section-nav-up,
    .section-nav-down {
        right: var(--spacing-md);
    }
    
    .section-nav-btn {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 568px) {
    .section-nav {
        display: none;
    }
}

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: left;
    }
    
    .hero-image {
        order: -1;
        display: flex;
        justify-content: center;
    }
    
    .hero-cta,
    .hero-social {
        justify-content: center;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--bg-primary);
        width: 100%;
        text-align: center;
        transition: left var(--transition-base);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-xl) 0;
        border-bottom: 1px solid var(--border-color);
        z-index: 998; /* Below navbar but above content */
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .section-header {
        flex-wrap: wrap;
    }
    
    .section-line {
        display: none;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-main {
        order: -1;
    }
}

@media (max-width: 768px) {
    /* Section Scroll Behavior - Mobile Override (Homepage only) */
    body.home .about-section,
    body.home .projects,
    body.home .blog-preview,
    body.home .contact-preview {
        min-height: auto; /* Let content determine height on mobile */
        padding: var(--spacing-2xl) 0;
    }
    
    /* Keep hero full height on mobile */
    .hero {
        min-height: 100vh;
    }
    
    /* Contact Page Tablet */
    .contact-methods-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-info-grid {
        grid-template-columns: 1fr;
    }
    
    /* Contact Preview Tablet */
    .contact-preview .contact-methods-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    :root {
        font-size: 16px; /* Keep readable font size on mobile */
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    section {
        padding: var(--spacing-2xl) 0;
    }
    
    .theme-toggle {
        width: 45px;
        height: 45px;
        top: 15px;
        right: 15px;
    }
    
    .projects-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    /* Make cards more compact on mobile */
    .projects .carousel-container .project-card,
    .blog-preview .carousel-container .blog-card {
        min-width: 260px;
        max-width: 280px;
    }
    
    .project-image,
    .blog-image {
        height: 150px;
    }
    
    .project-content,
    .blog-content {
        padding: var(--spacing-md);
    }
    
    .project-title,
    .blog-title {
        font-size: 1.125rem;
        margin-bottom: var(--spacing-xs);
    }
    
    .project-description,
    .blog-excerpt {
        font-size: 0.875rem;
        -webkit-line-clamp: 2;
        margin-bottom: var(--spacing-sm);
    }
    
    .blog-meta {
        font-size: 0.6875rem;
        gap: var(--spacing-xs);
    }
    
    .tech-tag,
    .blog-tag {
        padding: 0.25rem 0.5rem;
        font-size: 0.6875rem;
    }
    
    /* Contact Page Mobile */
    .contact-layout {
        gap: var(--spacing-md);
    }
    
    .contact-intro-text {
        font-size: 0.9375rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .contact-unified-container {
        padding: var(--spacing-lg);
    }
    
    .contact-methods-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .contact-method-card {
        padding: var(--spacing-md);
    }
    
    .method-icon {
        width: 48px;
        height: 48px;
    }
    
    .method-icon svg {
        width: 24px;
        height: 24px;
    }
    
    .contact-info-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .contact-info-card {
        padding: var(--spacing-md);
    }
    
    .contact-hero {
        padding: calc(70px + var(--spacing-md)) 0 var(--spacing-md);
    }
    
    .contact-preview {
        padding: var(--spacing-lg) 0;
    }
    
    .contact-preview .contact-methods-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

/* ==========================================
   Navbar Documents Dropdown
   ========================================== */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
    background: none;
    border: none;
    position: relative;
}

.nav-dropdown-toggle:hover {
    color: var(--text-primary);
}

.nav-dropdown-toggle::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width var(--transition-base);
}

.nav-dropdown-toggle:hover::after {
    width: 80%;
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: rgba(255, 255, 255, 0.98);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-base);
    z-index: 1000;
    margin-top: var(--spacing-xs);
    padding: 0;
    list-style: none;
}

.nav-dropdown-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown-item a {
    display: block;
    padding: var(--spacing-xs) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
    border-radius: var(--radius-sm);
}

.nav-dropdown-item a:hover {
    color: var(--text-primary);
    background-color: rgba(0, 0, 0, 0.02);
}

/* Mobile dropdown adjustments */
@media (max-width: 968px) {
    .nav-dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        background-color: var(--bg-secondary);
        margin-top: var(--spacing-sm);
        transform: none;
        opacity: 1;
        visibility: visible;
        display: none;
        padding: 0;
    }
    
    .nav-dropdown-menu.active {
        display: block;
    }
    
    .nav-dropdown-item a {
        padding: var(--spacing-sm) var(--spacing-md);
    }
}