/* 
 * Portfolio Website - Kalp Soni - ENHANCED VERSION
 * Modern dark theme with AWS-inspired colors
 * Color Palette:
 * - Background: #121212
 * - Secondary Background: #1E1E1E
 * - Primary Accent (orange): #FF9900
 * - Secondary Accent (blue): #4EA8DE
 * - Text primary: #E0E0E0
 * - Text secondary: #A0A0A0
 */

/* General Styles and Variables */
:root {
    --bg-primary: #121212;
    --bg-secondary: #1E1E1E;
    --accent-primary: #FF9900;
    --accent-secondary: #4EA8DE;
    --text-primary: #E0E0E0;
    --text-secondary: #A0A0A0;
    --transition: all 0.3s ease;
    --border-radius: 6px;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-code: 'Fira Code', 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

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

*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Enhanced Font Loading */
@font-face {
    font-family: 'Inter-fallback';
    src: local('Arial'), local('Helvetica');
    font-display: swap;
}

@font-face {
    font-family: 'Fira-Code-fallback';
    src: local('Monaco'), local('Menlo'), local('Consolas');
    font-display: swap;
}

/* Container with better responsive handling */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

@media (max-width: 576px) {
    .container {
        width: 95%;
        padding: 0 10px;
    }
}

/* Enhanced Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    line-height: 1.3;
    font-weight: 600;
    color: var(--text-primary);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: 0.5rem;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    background-size: 200% 200%;
    animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

h2 {
    font-size: clamp(1.8rem, 4vw, 2.2rem);
    color: var(--text-primary);
}

h3 {
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    color: var(--text-primary);
}

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

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

a:hover,
a:focus {
    color: var(--accent-secondary);
    outline: none;
}

/* Enhanced Code Styling */
code {
    font-family: var(--font-code);
    background-color: rgba(255, 255, 255, 0.05);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--accent-secondary);
}

pre {
    background-color: rgba(255, 255, 255, 0.02);
    border-radius: var(--border-radius);
    padding: 1rem;
    overflow-x: auto;
    margin: 1rem 0;
}

pre code {
    background-color: transparent;
    padding: 0;
    color: var(--text-secondary);
}

/* Enhanced Button Styles */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    font-size: 1rem;
    border: none;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background-color: var(--accent-primary);
    color: #121212;
    border: 2px solid var(--accent-primary);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: transparent;
    color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(255, 153, 0, 0.2);
}

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

.btn-secondary:hover,
.btn-secondary:focus {
    background-color: var(--accent-secondary);
    color: #121212;
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(78, 168, 222, 0.2);
}

.btn-small {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-divider {
    height: 3px;
    width: 60px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    margin: 1rem auto;
    border-radius: 2px;
}

section {
    padding: 5rem 0;
    position: relative;
}

@media (max-width: 768px) {
    section {
        padding: 3rem 0;
    }
}

/* Enhanced Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 15px;
}

.logo a {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-primary);
    text-decoration: none;
}

.logo a:hover {
    color: var(--accent-secondary);
}

.nav-links ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links ul li {
    margin-left: 2rem;
}

.nav-links ul li a {
    color: var(--text-primary);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition);
}

.nav-links ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    transition: var(--transition);
}

.nav-links ul li a:hover,
.nav-links ul li a:focus,
.nav-links ul li a.active {
    color: var(--accent-primary);
}

.nav-links ul li a:hover::after,
.nav-links ul li a:focus::after,
.nav-links ul li a.active::after {
    width: 100%;
}

/* Enhanced Hamburger Menu */
.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    padding: 0;
    background: transparent;
    border: none;
}

.hamburger .bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 3px auto;
    transition: var(--transition);
    background-color: var(--text-primary);
    border-radius: 2px;
}

.hamburger.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

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

/* Enhanced Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(255, 153, 0, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(78, 168, 222, 0.1) 0%, transparent 50%);
    z-index: -1;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

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

.greeting {
    font-size: 1.2rem;
    color: var(--accent-secondary);
    margin-bottom: 1rem;
    display: block;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.2s forwards;
}

.tagline {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.6s forwards;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.8s forwards;
}

.social-links {
    display: flex;
    gap: 1rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 1s forwards;
}

.social-links a {
    font-size: 1.5rem;
    color: var(--text-secondary);
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
}

.social-links a:hover,
.social-links a:focus {
    color: var(--accent-primary);
    transform: translateY(-3px);
    background-color: rgba(255, 153, 0, 0.1);
}

.hero-visual {
    display: flex;
    justify-content: flex-end;
    opacity: 0;
    animation: fadeInRight 0.8s ease-out 0.4s forwards;
}

.code-snippet {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    max-width: 500px;
    border-left: 3px solid var(--accent-primary);
    position: relative;
    overflow: hidden;
}

.code-snippet::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 25px;
    background-color: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.code-snippet pre {
    overflow-x: auto;
    margin: 0;
    padding-top: 0.5rem;
}

.code-snippet code {
    background-color: transparent;
    padding: 0;
    font-family: var(--font-code);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

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

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

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

/* About Section */
.about {
    background-color: var(--bg-secondary);
    position: relative;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.about-text {
    line-height: 1.8;
}

.about-text p {
    margin-bottom: 1.5rem;
}

.about-text strong {
    color: var(--accent-primary);
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
    padding: 1rem;
    border-radius: var(--border-radius);
    background-color: rgba(255, 255, 255, 0.02);
    transition: var(--transition);
}

.highlight-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
    transform: translateX(5px);
}

.highlight-icon {
    font-size: 1.8rem;
    color: var(--accent-primary);
    margin-right: 1rem;
    padding: 1rem;
    background-color: rgba(255, 153, 0, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    flex-shrink: 0;
    transition: var(--transition);
}

.highlight-icon i {
    display: block;
    line-height: 1;
}

.highlight-item:hover .highlight-icon {
    background-color: rgba(255, 153, 0, 0.2);
    transform: scale(1.1);
}

.highlight-details h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.highlight-details p {
    margin-bottom: 0;
    font-size: 0.9rem;
}

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

.timeline::before {
    content: '';
    position: absolute;
    height: 100%;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-secondary), var(--accent-primary));
    left: 50px;
    top: 0;
}

.timeline-item {
    display: flex;
    margin-bottom: 2rem;
    position: relative;
    opacity: 0;
    animation: fadeInLeft 0.6s ease-out forwards;
}

.timeline-item:nth-child(even) {
    animation: fadeInRight 0.6s ease-out forwards;
}

.timeline-dot {
    width: 16px;
    height: 16px;
    background-color: var(--accent-primary);
    border-radius: 50%;
    position: absolute;
    left: 43px;
    top: 5px;
    border: 3px solid var(--bg-primary);
    z-index: 2;
}

.timeline-date {
    width: 120px;
    text-align: right;
    padding-right: 30px;
    color: var(--accent-secondary);
    font-weight: 500;
    font-size: 0.9rem;
}

.timeline-content {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    flex: 1;
    margin-left: 60px;
    border-left: 3px solid var(--accent-primary);
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.timeline-content h3 {
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.timeline-content h4 {
    color: var(--accent-secondary);
    margin-bottom: 1rem;
    font-size: 1rem;
    font-weight: 500;
}

.timeline-content ul {
    list-style: none;
    margin-left: 0;
    color: var(--text-secondary);
}

.timeline-content ul li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.timeline-content ul li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-size: 0.8rem;
}

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

.skills-category {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.skills-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 153, 0, 0.2);
}

.skills-category h3 {
    margin-bottom: 1.5rem;
    color: var(--accent-secondary);
    font-size: 1.2rem;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 0.5rem;
    text-align: center;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1rem;
    border-radius: var(--border-radius);
    background-color: rgba(255, 255, 255, 0.02);
    transition: var(--transition);
}

.skill-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
    transform: translateY(-3px);
}

.skill-icon {
    font-size: 2rem;
    color: var(--accent-primary);
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.skill-icon i {
    display: block;
    line-height: 1;
}

.skill-item:hover .skill-icon {
    color: var(--accent-secondary);
    transform: scale(1.1);
}

.skill-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* Projects Section */
.projects {
    background-color: var(--bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 153, 0, 0.3);
}

.project-image {
    height: 150px;
    background: linear-gradient(135deg, rgba(78, 168, 222, 0.1), rgba(255, 153, 0, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.project-image::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    transition: var(--transition);
    opacity: 0;
}

.project-card:hover .project-image::before {
    opacity: 1;
    animation: shimmer 1s ease-in-out;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.project-icon {
    font-size: 3rem;
    color: var(--accent-secondary);
    z-index: 2;
    position: relative;
}

.project-details {
    padding: 1.5rem;
}

.project-details h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.project-tags span {
    background-color: rgba(255, 153, 0, 0.1);
    color: var(--accent-primary);
    padding: 0.25rem 0.5rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(255, 153, 0, 0.2);
}

.project-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

/* Enhanced Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-methods {
    margin-top: 2rem;
}

.contact-method {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 1rem;
    border-radius: var(--border-radius);
    background-color: rgba(255, 255, 255, 0.02);
    transition: var(--transition);
}

.contact-method:hover {
    background-color: rgba(255, 255, 255, 0.05);
    transform: translateX(5px);
}

.contact-icon {
    font-size: 1.2rem;
    color: var(--accent-primary);
    background-color: rgba(255, 153, 0, 0.1);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    transition: var(--transition);
}

.contact-method:hover .contact-icon {
    background-color: rgba(255, 153, 0, 0.2);
    transform: scale(1.1);
}

.contact-details h3 {
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.contact-details a {
    color: var(--text-secondary);
    transition: var(--transition);
}

.contact-details a:hover {
    color: var(--accent-primary);
}

/* Enhanced Form Styles */
.contact-form-container {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-secondary);
    background-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(78, 168, 222, 0.1);
}

.form-group input:invalid,
.form-group textarea:invalid {
    border-color: #e74c3c;
}

.form-group input:valid,
.form-group textarea:valid {
    border-color: #27ae60;
}

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

/* Form Success and Error States */
.form-success {
    text-align: center;
    padding: 2rem;
    background-color: rgba(39, 174, 96, 0.1);
    border-radius: var(--border-radius);
    border: 1px solid rgba(39, 174, 96, 0.3);
}

.form-success h3 {
    color: #27ae60;
    margin-bottom: 1rem;
}

.error-banner {
    background-color: rgba(231, 76, 60, 0.1);
    color: #e74c3c;
    padding: 0.75rem;
    margin-bottom: 1rem;
    border: 1px solid rgba(231, 76, 60, 0.3);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
}

/* Enhanced Footer */
.footer {
    background-color: var(--bg-secondary);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    font-size: 1.2rem;
    color: var(--text-secondary);
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.footer-social a:hover,
.footer-social a:focus {
    color: var(--accent-primary);
    background-color: rgba(255, 153, 0, 0.1);
    transform: translateY(-2px);
}

/* Font Awesome Icon Fixes */
.fab, .fas, .far, .fal, .fad, .fass {
    -moz-osx-font-smoothing: grayscale;
    -webkit-font-smoothing: antialiased;
    display: inline-block;
    font-style: normal;
    font-variant: normal;
    text-rendering: auto;
    line-height: 1;
}

/* Ensure icons display properly */
i[class^="fa-"],
i[class*=" fa-"] {
    display: inline-block;
    font-family: "Font Awesome 6 Free", "Font Awesome 6 Brands", "Font Awesome 5 Free", "Font Awesome 5 Brands", FontAwesome !important;
    font-style: normal;
    font-weight: 900;
    line-height: 1;
    text-decoration: inherit;
}

/* Brand icons specific weight */
.fab {
    font-weight: 400;
    font-family: "Font Awesome 6 Brands", "Font Awesome 5 Brands" !important;
}

/* Loading Animation for Icons */
@keyframes iconLoad {
    0% { opacity: 0; transform: scale(0.8); }
    100% { opacity: 1; transform: scale(1); }
}

.skill-icon i,
.highlight-icon i,
.contact-icon i,
.social-links i,
.footer-social i,
.project-icon i {
    animation: iconLoad 0.3s ease-out;
}

/* Icon Fallback Styles */
.icon-fallback {
    width: 1em;
    height: 1em;
    display: inline-block;
    background-color: currentColor;
    mask: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><rect width="16" height="16" rx="2"/></svg>');
    -webkit-mask: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><rect width="16" height="16" rx="2"/></svg>');
}

/* Responsive Design Improvements */
@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
    
    h1 {
        font-size: 3rem;
    }
}

@media (max-width: 992px) {
    h1 {
        font-size: 2.8rem;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-content {
        order: 1;
        max-width: 100%;
    }
    
    .hero-visual {
        order: 2;
        justify-content: center;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .skills-container {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: rgba(18, 18, 18, 0.98);
        backdrop-filter: blur(20px);
        transition: left 0.3s ease;
        padding: 2rem;
        overflow-y: auto;
        z-index: 999;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links ul {
        flex-direction: column;
        gap: 2rem;
        height: 100%;
        justify-content: center;
    }
    
    .nav-links ul li {
        margin-left: 0;
        text-align: center;
    }
    
    .nav-links ul li a {
        font-size: 1.3rem;
        padding: 1rem;
        display: block;
        border-radius: var(--border-radius);
        background-color: rgba(255, 255, 255, 0.05);
    }
    
    .nav-links ul li a:hover {
        background-color: rgba(255, 153, 0, 0.1);
    }
    
    .timeline {
        margin-left: 1rem;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        flex-direction: column;
        margin-left: 0;
    }
    
    .timeline-dot {
        left: 13px;
    }
    
    .timeline-date {
        width: auto;
        text-align: left;
        padding-right: 0;
        padding-left: 50px;
        margin-bottom: 1rem;
        order: 2;
    }
    
    .timeline-content {
        margin-left: 50px;
        order: 1;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 576px) {
    html {
        font-size: 14px;
    }
    
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 1.6rem;
    }
    
    .hero {
        padding-top: 100px;
        min-height: auto;
        padding-bottom: 3rem;
    }
    
    .hero .container {
        gap: 1.5rem;
    }
    
    .code-snippet {
        max-width: 100%;
        font-size: 0.8rem;
    }
    
    .skills-container {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-form-container {
        padding: 1.5rem;
    }
    
    .timeline-content {
        margin-left: 40px;
        padding: 1rem;
    }
    
    .timeline-date {
        padding-left: 40px;
        font-size: 0.8rem;
    }
}

@media (max-width: 400px) {
    .container {
        width: 98%;
        padding: 0 5px;
    }
    
    .hamburger {
        width: 25px;
        height: 20px;
    }
    
    .hamburger .bar {
        width: 20px;
        height: 2px;
    }
    
    .highlight-item {
        flex-direction: column;
        text-align: center;
    }
    
    .highlight-icon {
        margin-right: 0;
        margin-bottom: 1rem;
    }
    
    .contact-method {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-icon {
        margin-right: 0;
        margin-bottom: 1rem;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .hamburger,
    .hero-cta,
    .social-links,
    .footer-social,
    .contact-form-container {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .hero {
        min-height: auto;
        padding: 1rem 0;
    }
    
    section {
        padding: 2rem 0;
        break-inside: avoid;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --bg-primary: #000000;
        --bg-secondary: #1a1a1a;
        --text-primary: #ffffff;
        --text-secondary: #cccccc;
        --accent-primary: #ffaa00;
        --accent-secondary: #00aaff;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Focus Management for Accessibility */
:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}

/* Selection Styles */
::selection {
    background-color: var(--accent-primary);
    color: var(--bg-primary);
}

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

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-secondary);
}

/* Loading States */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--accent-primary);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Utility Classes */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
