/* ==============================================
   CSS Variables & Theme Configuration
   ============================================== */
:root {
    /* Light Theme Colors */
    --primary-color: #3b82f6;
    --secondary-color: #0ea5e9;
    --accent-color: #06b6d4;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #64748b;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 400ms ease-in-out;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --border-color: #334155;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

/* ==============================================
   SVG Icon Styles
   ============================================== */
.icon {
    display: inline-block;
    width: 1em;
    height: 1em;
    vertical-align: middle;
    fill: currentColor;
    transition: all var(--transition-base);
}

.icon-lg {
    width: 1.25em;
    height: 1.25em;
}

.icon-xl {
    width: 1.5em;
    height: 1.5em;
}

.icon-spin {
    animation: icon-spin 1s linear infinite;
}

@keyframes icon-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

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

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

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

/* ==============================================
   Typography
   ============================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-base);
}

/* ==============================================
   Skip Link (Accessibility)
   ============================================== */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    font-weight: 600;
    z-index: 10000;
    border-radius: 0 0 var(--radius-md) 0;
}

.skip-link:focus {
    top: 0;
    outline: 2px solid var(--text-primary);
    outline-offset: 2px;
}

/* ==============================================
   Loading Screen
   ============================================== */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s, visibility 0.5s;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
}

.loader-circle {
    width: 60px;
    height: 60px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

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

.loader p {
    color: var(--text-secondary);
    font-weight: 500;
}

/* ==============================================
   Theme Toggle
   ============================================== */
.theme-toggle {
    position: fixed;
    top: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    cursor: pointer;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.theme-toggle .icon {
    font-size: 1.25rem;
    color: var(--text-primary);
    transition: all var(--transition-base);
}

.theme-toggle .icon-sun {
    display: none;
}

[data-theme="dark"] .theme-toggle .icon-moon {
    display: none;
}

[data-theme="dark"] .theme-toggle .icon-sun {
    display: block;
}

/* ==============================================
   Scroll to Top Button
   ============================================== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    cursor: pointer;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.scroll-to-top .icon {
    color: white;
    font-size: 1.25rem;
}

/* ==============================================
   Navigation
   ============================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--bg-primary);
    padding: var(--spacing-md) 0;
    z-index: 999;
    transition: all var(--transition-base);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .navbar.scrolled {
    background: rgba(15, 23, 42, 0.9);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-bracket {
    color: var(--primary-color);
}

.logo-name {
    margin: 0 0.25rem;
}

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

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    position: relative;
}

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

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    background: transparent;
    border: none;
    padding: 8px;
}

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

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

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

/* ==============================================
   Hero Section
   ============================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: var(--spacing-3xl) var(--spacing-lg);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
    will-change: transform;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 20s infinite;
    will-change: transform, opacity;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    perspective: 1000px;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0.5;
    }
    50% {
        transform: translateY(-100px) translateX(100px);
        opacity: 0.8;
    }
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-greeting {
    color: var(--primary-color);
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.hero-name {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title {
    font-size: clamp(1.5rem, 4vw, 3rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    min-height: 4rem;
}

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

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

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

.hero-description {
    max-width: 600px;
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    color: var(--text-secondary);
}

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

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    animation: bounce 2s infinite;
}

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

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid var(--text-secondary);
    border-radius: 20px;
    margin: 0 auto var(--spacing-xs);
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--text-secondary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        top: 8px;
        opacity: 1;
    }
    100% {
        top: 20px;
        opacity: 0;
    }
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

.scroll-indicator p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ==============================================
   Buttons
   ============================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: var(--shadow-md);
}

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

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

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

/* ==============================================
   Sections
   ============================================== */
.section {
    padding: var(--spacing-3xl) var(--spacing-lg);
}

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

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.section-number {
    font-family: 'Courier New', monospace;
    color: var(--primary-color);
    font-size: 1.5rem;
}

/* Animation classes */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    will-change: transform, opacity;
}

[data-animate].animated {
    opacity: 1;
    transform: translateY(0);
}

/* ==============================================
   About Section
   ============================================== */
.about-section {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-text p {
    margin-bottom: var(--spacing-md);
}

.tech-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    list-style: none;
    margin-top: var(--spacing-md);
}

.tech-list li {
    color: var(--text-secondary);
    font-size: 0.95rem;
    padding-left: var(--spacing-md);
    position: relative;
}

.tech-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 1.25rem;
    line-height: 1;
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0.3;
    transition: all var(--transition-base);
    border-radius: var(--radius-xl);
}

.image-wrapper:hover .image-overlay {
    opacity: 0;
}

.image-wrapper:hover img {
    transform: scale(1.05);
}

/* ==============================================
   Skills Section
   ============================================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.skill-category {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

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

.skill-category h3 .icon {
    color: var(--primary-color);
}

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

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
}

.skill-info span:first-child {
    color: var(--text-primary);
    font-weight: 500;
}

.skill-percentage {
    color: var(--primary-color);
    font-weight: 600;
}

.skill-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
    width: 0;
    transition: width 1s ease-out;
    will-change: width;
    backface-visibility: hidden;
}

.skill-progress.animated {
    width: var(--progress);
}

/* ==============================================
   Experience Section
   ============================================== */
.experience-section {
    background: var(--bg-secondary);
}

.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
}

.timeline-dot {
    position: absolute;
    left: -46px;
    top: 0;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 3px solid var(--bg-secondary);
    box-shadow: 0 0 0 3px var(--border-color);
}

.timeline-content {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

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

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

.timeline-date {
    display: inline-block;
    color: var(--primary-color);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

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

/* ==============================================
   Projects Section
   ============================================== */
.projects-grid {
    display: grid;
    gap: var(--spacing-xl);
}

.project-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

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

.project-card.featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.project-image {
    position: relative;
    overflow: hidden;
    height: 100%;
    min-height: 300px;
}

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.9), rgba(139, 92, 246, 0.9));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all var(--transition-base);
}

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

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

.project-link {
    width: 60px;
    height: 60px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.5rem;
    transition: all var(--transition-base);
}

.project-link:hover {
    transform: scale(1.1);
}

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

.project-label {
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.project-content h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

.project-description {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.project-description p {
    margin: 0;
    font-size: 0.95rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.project-tech li {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
}

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

.project-links a {
    color: var(--text-secondary);
    font-size: 1.25rem;
    transition: all var(--transition-base);
}

.project-links a:hover {
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* ==============================================
   Contact Section
   ============================================== */
.contact-section {
    background: var(--bg-secondary);
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
}

.contact-text {
    text-align: center;
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
}

.contact-form {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
}

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

.form-group {
    margin-bottom: var(--spacing-md);
}

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

.required {
    color: var(--accent-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group input.error,
.form-group textarea.error {
    border-color: var(--accent-color);
}

.form-group input.error:focus,
.form-group textarea.error:focus {
    box-shadow: 0 0 0 3px rgba(236, 72, 153, 0.1);
}

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

.error-message {
    display: block;
    color: var(--accent-color);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    min-height: 1.25rem;
    transition: opacity var(--transition-base);
}

.error-message:empty {
    opacity: 0;
}

.form-status {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 500;
    transition: all var(--transition-base);
}

.form-status.success {
    display: block;
    background: #d1fae5;
    color: #065f46;
    opacity: 1;
}

.form-status.error {
    display: block;
    background: #fee2e2;
    color: #991b1b;
    opacity: 1;
}

.form-status:not(.success):not(.error) {
    display: none;
    opacity: 0;
}


.social-section {
    margin-top: var(--spacing-3xl);
    text-align: center;
}

.social-section h3 {
    margin-bottom: var(--spacing-lg);
}

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

.social-link {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 1.25rem;
    transition: all var(--transition-base);
    will-change: transform, background, box-shadow, border-color, color;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.social-link:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-color: transparent;
    color: white;
    transform: translateY(-5px) scale(1.08);
    box-shadow: var(--shadow-lg);
}

/* ==============================================
   Footer
   ============================================== */
.footer {
    background: var(--bg-tertiary);
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
}

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

.footer-note {
    font-size: 0.875rem;
    margin-top: var(--spacing-xs) !important;
    opacity: 0.8;
}

/* ==============================================
   Responsive Design
   ============================================== */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
        z-index: 1001;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: var(--bg-primary);
        flex-direction: column;
        padding: 100px 30px;
        gap: var(--spacing-lg);
        transition: right var(--transition-base);
        box-shadow: var(--shadow-xl);
        border-left: 1px solid var(--border-color);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .hero {
        padding: var(--spacing-2xl) var(--spacing-md);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .about-image {
        order: -1;
    }
    
    .tech-list {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .project-card.featured {
        grid-template-columns: 1fr;
    }
    
    .project-image {
        min-height: 250px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: var(--spacing-2xl) var(--spacing-md);
    }
    
    .theme-toggle,
    .scroll-to-top {
        width: 45px;
        height: 45px;
    }
    
    .theme-toggle {
        top: 80px;
        right: 20px;
    }
    
    .scroll-to-top {
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .section-title {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
}

/* ==============================================
   Accessibility
   ============================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ==============================================
   Print Styles
   ============================================== */
@media print {
    .navbar,
    .theme-toggle,
    .scroll-to-top,
    .loading-screen,
    .particles,
    .scroll-indicator {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .section {
        page-break-inside: avoid;
    }
}