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

/* Remove focus outlines for mouse users but keep for keyboard navigation */
*:focus:not(:focus-visible) {
    outline: none;
}

*:focus-visible {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background-color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.logo h1 {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.5rem;
}

.logo-subtitle {
    display: block;
    font-size: 1rem;
    font-weight: 400;
    opacity: 0.9;
    text-align: center;
}

/* Navigation Styles */
.navbar {
    background-color: #2c3e50;
    padding: 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: relative;
}

.navbar .container {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.nav-links {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.nav-links li {
    margin: 0;
}

.nav-links a {
    display: block;
    color: white;
    text-decoration: none;
    padding: 1rem 1.5rem;
    transition: background-color 0.2s ease;
    font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
    background-color: #34495e;
    color: #ecf0f1;
}

/* Mobile Menu Toggle Button */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    flex-direction: column;
    justify-content: space-around;
    width: 2.5rem;
    height: 2.5rem;
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    /* Make sure the button is visible */
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
}

.hamburger {
    width: 25px;
    height: 3px;
    background-color: white;
    transition: transform 0.2s ease, opacity 0.2s ease;
    transform-origin: 1px;
    /* Ensure the hamburger is visible */
    display: block;
    margin: 4px 0;
}

.mobile-menu-toggle.active .hamburger:nth-child(1) {
    transform: rotate(45deg);
}

.mobile-menu-toggle.active .hamburger:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger:nth-child(3) {
    transform: rotate(-45deg);
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    text-align: center;
    transition: background-color 0.2s ease, color 0.2s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn i {
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
}

.btn-secondary {
    background-color: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background-color: #667eea;
    color: white;
}

.btn-outline {
    background-color: transparent;
    color: #2c3e50;
    border: 2px solid #2c3e50;
}

.btn-outline:hover {
    background-color: #2c3e50;
    color: white;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 4rem 0;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

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

.hero-text h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #2c3e50;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #667eea;
    margin-bottom: 1rem;
    font-weight: 600;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: #2c3e50;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.hero-social {
    display: flex;
    gap: 1rem;
    justify-content: flex-start;
}

.hero-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: background-color 0.2s ease;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.hero-social a:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
}

.hero-social a i {
    font-size: 1.2rem;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.image-container {
    position: relative;
    display: inline-block;
}

.image-overlay {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0;
    transition: all 0.3s ease;
}

.image-container:hover .image-overlay {
    opacity: 1;
}

.overlay-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
}

.overlay-content i {
    color: #667eea;
}


/* Hero Image Styling */
.hero-image img {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center;
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    border: 4px solid rgba(255,255,255,0.5);
    background-color: #f8f9fa;
}


/* Quick Stats Section */
.quick-stats {
    background-color: white;
    padding: 4rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    border: 1px solid #e9ecef;
}

.stat-item i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.stat-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #667eea;
}

/* Featured Project Section */
.featured-project {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
}

.featured-project h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.project-preview {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: center;
    background: rgba(255,255,255,0.15);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.2);
}

.project-image {
    text-align: center;
    font-size: 5rem;
    color: rgba(255,255,255,0.8);
}

.project-content h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.project-content p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.tech-stack {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-bottom: 1.8rem;
}

.tech-tag {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.4rem 0.9rem;
    border-radius: 16px;
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: 0 1px 3px rgba(102, 126, 234, 0.3);
}

/* About Page Styles */
.about-hero,
.projects-hero,
.contact-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.about-hero h2,
.projects-hero h2,
.contact-hero h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Personal Story Section */
.personal-story {
    background-color: white;
    padding: 4rem 0;
}

.story-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.story-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.story-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #555;
    line-height: 1.8;
}

.profile-placeholder-large {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.profile-placeholder-large i {
    font-size: 6rem;
    margin-bottom: 1rem;
}

.profile-placeholder-large p {
    font-size: 1.2rem;
    font-weight: 600;
}

/* Skills Section */
.skills-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 4rem 0;
}

.skills-section h3 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.skill-category h4 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #2c3e50;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-category i {
    color: #667eea;
}

.skill-item {
    margin-bottom: 1.5rem;
}

.skill-item span {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #2c3e50;
}

.skill-bar {
    background-color: #e9ecef;
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    height: 100%;
    transition: width 1s ease;
}

/* Education Section */
.education-section {
    background-color: white;
    padding: 4rem 0;
}

.education-section h3 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

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

.timeline-item {
    display: flex;
    margin-bottom: 2rem;
    position: relative;
}

.timeline-marker {
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    margin-right: 2rem;
    margin-top: 0.5rem;
    flex-shrink: 0;
}

.timeline-content h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.timeline-date {
    color: #667eea;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: #555;
    line-height: 1.6;
}

/* Interests Section */
.interests-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 4rem 0;
}

.interests-section h3 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.interests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.interest-item {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.interest-item:hover {
    transform: translateY(-5px);
}

.interest-item i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.interest-item h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.interest-item p {
    color: #555;
    line-height: 1.6;
}

/* Projects Page Styles */
.featured-projects {
    background-color: white;
    padding: 4rem 0;
}

.featured-projects h3 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.project-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    border: 1px solid #e9ecef;
    display: flex;
    flex-direction: column;
    transform: translateY(0);
    will-change: transform, box-shadow, border-color;
    /* Prevent content from being cut off during animation */
    backface-visibility: hidden;
    -webkit-font-smoothing: subpixel-antialiased;
}

.project-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.project-card:hover {
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    border-color: rgba(102, 126, 234, 0.4);
    transform: translateY(-5px) scale(1.01);
    z-index: 2;
    /* Force hardware acceleration */
    transform: translate3d(0, -5px, 0) scale(1.01);
}

.project-card.featured {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    border: 2px solid rgba(102, 126, 234, 0.2);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.project-card.featured::before {
    content: "Featured";
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 10;
}

.project-image {
    position: relative;
    height: 200px;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #667eea;
    font-size: 3rem;
    overflow: hidden;
    transition: all 0.4s ease;
}

.project-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    pointer-events: none;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(102, 126, 234, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    opacity: 0;
    transition: opacity 0.3s ease, background 0.3s ease;
    /* Ensure overlay is above content but below any interactive elements */
    z-index: 1;
}

.project-card:hover .project-overlay {
    opacity: 1;
    background: rgba(102, 126, 234, 0.9);
}

.project-card .project-image i {
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    transform: scale(1);
}

.project-card:hover .project-image i {
    transform: scale(1.1);
    color: white;
}

.project-card:hover .project-image {
    background: #5a6fd8;
}

.project-card .project-overlay a {
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease, background 0.2s ease, color 0.2s ease;
    /* Ensure buttons are above the overlay */
    position: relative;
    z-index: 2;
}

.project-card:hover .project-overlay a {
    transform: translateY(0);
    opacity: 1;
}

.project-card .project-overlay a:first-child {
    transition-delay: 0.1s;
}

.project-card .project-overlay a:last-child {
    transition-delay: 0.2s;
}

.project-link,
.project-github {
    color: white;
    font-size: 2rem;
    text-decoration: none;
    padding: 1rem;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    transition: background 0.3s ease;
}

.project-link:hover,
.project-overlay a:hover {
    background: white;
    color: #667eea;
    transform: scale(1.1) !important;
}

.project-content {
    padding: 2rem;
    position: relative;
}

.project-content h4 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: #2c3e50;
    font-weight: 700;
    line-height: 1.3;
}

.project-content p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.7;
    font-size: 0.95rem;
}

.project-details {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-bottom: 1.8rem;
    padding: 1.2rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
    border-left: 4px solid #667eea;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.9rem;
    color: #2c3e50;
    font-weight: 500;
}

.detail-item i {
    color: #667eea;
    width: 18px;
    text-align: center;
    font-size: 0.9rem;
}

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

.project-links .btn {
    flex: 1;
    min-width: 120px;
    text-align: center;
    font-size: 0.9rem;
    padding: 0.8rem 1.2rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.project-links .btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.project-links .btn-primary:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
}

.project-links .btn-outline {
    border: 2px solid #667eea;
    color: #667eea;
    background: transparent;
}

.project-links .btn-outline:hover {
    background: #667eea;
    color: white;
}

/* Lab Assignments */
.lab-assignments {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 4rem 0;
}

.lab-assignments h3 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.assignments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.assignment-item {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    border: 1px solid #e9ecef;
}

.assignment-item h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.assignment-item p {
    color: #555;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.assignment-status {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.assignment-status.completed {
    background-color: #d4edda;
    color: #155724;
}

.assignment-status.in-progress {
    background-color: #fff3cd;
    color: #856404;
}

.assignment-status.pending {
    background-color: #f8d7da;
    color: #721c24;
}

/* Project Statistics */
.project-stats {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
}

.project-stats h3 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: white;
}

.project-stats .stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.stat-card {
    background: rgba(255,255,255,0.15);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.3);
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: rgba(255,255,255,0.9);
}

.stat-content h4 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: white;
}

.stat-content p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin: 0;
}

/* Skills Showcase */
.skills-showcase {
    background-color: white;
    padding: 4rem 0;
}

.skills-showcase h3 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.tech-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
}

.tech-logo {
    text-align: center;
    padding: 2rem;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    border: 1px solid #e9ecef;
}

.tech-logo i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.tech-logo span {
    display: block;
    font-weight: 600;
    color: #2c3e50;
}

/* Contact Page Styles */
.contact-content {
    background-color: white;
    padding: 4rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3,
.contact-form-container h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #2c3e50;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
    padding: 1rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 10px;
}

.contact-item i {
    font-size: 1.5rem;
    color: #667eea;
    margin-right: 1rem;
    width: 30px;
}

.contact-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.contact-item p {
    color: #555;
    margin: 0;
}

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

.social-contact h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

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

.social-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 20px;
    transition: background-color 0.2s ease;
}

.social-link:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
}

/* Contact Form */
.contact-form {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 2rem;
    border-radius: 15px;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #2c3e50;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid #e9ecef;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
}

.checkbox-group {
    display: flex;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: normal;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-right: 0.5rem;
}

.error-message {
    color: #dc3545;
    font-size: 0.9rem;
    margin-top: 0.5rem;
    display: block;
}

.form-status {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 5px;
    text-align: center;
    font-weight: 600;
}

.form-status.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-status.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.btn-submit {
    width: 100%;
    font-size: 1.1rem;
    padding: 1rem;
}

/* Additional Contact Methods */
.additional-contact {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 4rem 0;
}

.additional-contact h3 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.contact-method {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    border: 1px solid #e9ecef;
}

.contact-method i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.contact-method h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.contact-method p {
    color: #555;
    line-height: 1.6;
}

/* Response Info */
.response-info {
    background-color: white;
    padding: 2rem 0;
}

.response-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.response-card i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.response-card h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.response-card p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Footer Styles */
footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #ecf0f1;
}

.footer-section p {
    color: #bdc3c7;
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #ecf0f1;
}

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

.footer-section .social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    color: white;
    text-align: center;
    line-height: 40px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.footer-section .social-links a:hover {
    background: #667eea;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 1rem;
    text-align: center;
    color: #bdc3c7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    .container {
        padding: 0 15px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text h2 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-image img {
        width: 200px;
        height: 200px;
    }
    
    .story-content {
        grid-template-columns: 1fr;
    }
    
    .project-preview {
        grid-template-columns: 1fr;
    }
    
    .project-card.featured {
        grid-column: span 1;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(44, 62, 80, 0.98);
        flex-direction: column;
        display: none;
        justify-content: center;
        align-items: center;
        backdrop-filter: blur(10px);
        z-index: 1000;
        padding: 2rem;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links a {
        padding: 1.5rem 2rem;
        text-align: center;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        font-size: 1.2rem;
        font-weight: 600;
        width: 100%;
        max-width: 300px;
        border-radius: 8px;
        margin-bottom: 1rem;
        transition: all 0.3s ease;
    }
    
    .nav-links a:hover,
    .nav-links a.active {
        background-color: rgba(102, 126, 234, 0.2);
    }
    
    .nav-links a:last-child {
        border-bottom: none;
        margin-bottom: 0;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-social {
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .interests-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .project-card.featured {
        grid-column: span 1;
        display: block;
    }
    
    .project-image {
        height: 120px;
        font-size: 3rem;
        padding: 2rem;
    }
    
    .project-content {
        padding: 1.5rem;
    }
    
    .project-links {
        flex-direction: column;
    }
    
    .project-links .btn {
        width: 100%;
    }
    
    .assignments-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-logos {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .contact-methods {
        grid-template-columns: 1fr;
    }
    
    .project-stats .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero-text h2 {
        font-size: 2rem;
    }
    
    .hero-image img {
        width: 160px;
        height: 160px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .interests-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-logos {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .project-stats .stats-grid {
        grid-template-columns: 1fr;
    }
}

.skill-progress {
    transition: width 1s ease;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus styles for accessibility */
button:focus,
input:focus,
textarea:focus,
select:focus,
a:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .navbar,
    footer,
    .hero-buttons,
    .project-links,
    .social-links {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .hero-text h2 {
        font-size: 24pt;
    }
}