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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px); /* Safari support */
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    color: #c46565;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #2563eb;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 1001;
    padding: 5px;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Hamburger animation */
.hamburger.active .bar:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

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

.hamburger.active .bar:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding-top: 80px;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    cursor: pointer;
}

.btn-primary {
    background: #2563eb;
    color: white;
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #2563eb;
}

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

.profile-placeholder {
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    color: rgba(255, 255, 255, 0.8);
    overflow: hidden;
    border: 4px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    transition: transform 0.3s ease;
}

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

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #1f2937;
}

/* About Section */
.about {
    background: white;
}

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

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #4b5563;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

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

.stat h3 {
    font-size: 2rem;
    color: #2563eb;
    margin-bottom: 0.5rem;
}

.stat p {
    color: #6b7280;
    font-weight: 500;
}

/* Education Section */
.education {
    background: #f8f9fa;
}

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

.education-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.education-icon {
    font-size: 3rem;
    color: #2563eb;
    flex-shrink: 0;
}

.education-details h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.education-details h4 {
    color: #2563eb;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.education-period {
    color: #6b7280;
    font-weight: 500;
    margin-bottom: 1rem;
}

.education-description {
    color: #4b5563;
    line-height: 1.6;
}

/* College link styling */
.college-link {
    color: #2563eb;
    text-decoration: none;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}

.college-link:hover {
    color: #1d4ed8;
    border-bottom: 1px solid #1d4ed8;
    transform: translateY(-1px);
}

/* Skills Section */
.skills {
    background: white;
}

.skills-content {
    max-width: 1000px;
    margin: 0 auto;
}

.skills-category {
    margin-bottom: 3rem;
}

.skills-category h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: #1f2937;
    text-align: center;
}

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

.skill-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s ease;
}

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

.skill-icon {
    font-size: 3rem;
    color: #2563eb;
    margin-bottom: 1rem;
}

.skill-card h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: #1f2937;
}

.skill-level {
    background: #e5e7eb;
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
}

.skill-bar {
    height: 100%;
    background: linear-gradient(90deg, #2563eb, #3b82f6);
    border-radius: 4px;
    transition: width 1s ease;
}

/* Contact Section */
.contact {
    background: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    font-size: 1.5rem;
    color: #2563eb;
    width: 50px;
    text-align: center;
}

.contact-details h4 {
    color: #1f2937;
    margin-bottom: 0.25rem;
}

.contact-details p {
    color: #6b7280;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
}

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

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 2rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.social-link {
    color: white;
    font-size: 1.25rem;
    transition: color 0.3s ease;
}

.social-link:hover {
    color: #2563eb;
}

/* Responsive Design */

/* Large Desktop (1200px and above) */
@media (min-width: 1200px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .profile-placeholder {
        width: 350px;
        height: 350px;
    }
}

/* Desktop (992px - 1199px) */
@media (max-width: 1199px) and (min-width: 992px) {
    .hero-title {
        font-size: 3.2rem;
    }
    
    .profile-placeholder {
        width: 280px;
        height: 280px;
    }
}

/* Tablet (768px - 991px) */
@media (max-width: 991px) and (min-width: 768px) {
    .hero-container {
        gap: 3rem;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .profile-placeholder {
        width: 250px;
        height: 250px;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .contact-content {
        gap: 3rem;
    }
}

/* Mobile Large (576px - 767px) */
@media (max-width: 767px) and (min-width: 576px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s ease;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        z-index: 1000;
    }

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

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .profile-placeholder {
        width: 220px;
        height: 220px;
    }

    .section-title {
        font-size: 2rem;
    }

    .education-card {
        flex-direction: column;
        text-align: center;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile Medium (481px - 575px) */
@media (max-width: 575px) and (min-width: 481px) {
    .hamburger {
        display: flex !important;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

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

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1.5rem;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .profile-placeholder {
        width: 200px;
        height: 200px;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .education-card {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }
}

/* Mobile Small (320px - 480px) - iPhone SE, small Android */
@media (max-width: 480px) {
    .hamburger {
        display: flex !important;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 1.5rem 0;
    }

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

    .nav-logo h2 {
        font-size: 1.2rem;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1rem;
        padding: 0 15px;
    }

    .hero-title {
        font-size: 1.8rem;
        line-height: 1.3;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .profile-placeholder {
        width: 180px;
        height: 180px;
    }

    .section-title {
        font-size: 1.6rem;
        margin-bottom: 2rem;
    }

    .education-card {
        flex-direction: column;
        text-align: center;
        padding: 1.25rem;
    }

    .education-icon {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .skills-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .skill-card {
        padding: 1.5rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }

    .about-text p {
        font-size: 1rem;
    }

    .stat {
        padding: 1.5rem;
    }

    .contact-item {
        padding: 1.25rem;
    }
}

/* Extra Small Mobile (below 320px) - Very small devices */
@media (max-width: 319px) {
    .hero-title {
        font-size: 1.6rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .profile-placeholder {
        width: 150px;
        height: 150px;
    }

    .section-title {
        font-size: 1.4rem;
    }

    .btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }

    .container {
        padding: 0 10px;
    }
}

/* Landscape orientation for mobile devices */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: 100vh;
        padding: 60px 0;
    }

    .hero-container {
        gap: 1rem;
    }

    .hero-title {
        font-size: 1.8rem;
        margin-bottom: 0.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 1rem;
    }

    .profile-placeholder {
        width: 120px;
        height: 120px;
    }
}

/* High DPI displays (Retina, etc.) */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .profile-image {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Animation for skill bars */
@keyframes fillBar {
    from {
        width: 0;
    }
    to {
        width: var(--fill-level);
    }
}

.skill-bar {
    animation: fillBar 1.5s ease-out forwards;
}

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

/* Active navigation link styling */
.nav-link.active {
    color: #2563eb;
}

/* Sliding Animations */
@keyframes slideInFromLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInFromRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInFromBottom {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideInFromTop {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

/* Animation classes */
.slide-in-left {
    animation: slideInFromLeft 1s ease-out forwards;
}

.slide-in-right {
    animation: slideInFromRight 1s ease-out forwards;
}

.slide-in-bottom {
    animation: slideInFromBottom 1s ease-out forwards;
}

.slide-in-top {
    animation: slideInFromTop 1s ease-out forwards;
}

.fade-in-up {
    animation: fadeInUp 1s ease-out forwards;
}

.fade-in-scale {
    animation: fadeInScale 1s ease-out forwards;
}

/* Initial hidden state for animated elements */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Hero section animations */
.hero-content {
    animation: slideInFromLeft 1.2s ease-out;
}

.hero-image {
    animation: slideInFromRight 1.2s ease-out 0.3s both;
}

/* About section animations */
.about-text {
    animation: fadeInUp 1s ease-out 0.5s both;
}

.about-stats {
    animation: fadeInScale 1s ease-out 1s both;
}

/* Education card animation */
.education-card {
    animation: slideInFromBottom 1s ease-out 0.3s both;
}

/* Skills animation */
.skills-category {
    animation: fadeInUp 1s ease-out 0.5s both;
}

/* Contact section animations */
.contact-info {
    animation: slideInFromLeft 1s ease-out 0.3s both;
}

.contact-form {
    animation: slideInFromRight 1s ease-out 0.5s both;
}

/* Staggered animations for skill cards */
.skill-card {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.skill-card.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered animation delays for skill cards */
.skill-card:nth-child(1) { transition-delay: 0.1s; }
.skill-card:nth-child(2) { transition-delay: 0.2s; }
.skill-card:nth-child(3) { transition-delay: 0.3s; }
.skill-card:nth-child(4) { transition-delay: 0.4s; }
.skill-card:nth-child(5) { transition-delay: 0.5s; }

/* Staggered animation delays for stats */
.stat {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.stat.animated {
    opacity: 1;
    transform: translateY(0);
}

.stat:nth-child(1) { transition-delay: 0.1s; }
.stat:nth-child(2) { transition-delay: 0.2s; }
.stat:nth-child(3) { transition-delay: 0.3s; }

/* Contact items staggered animation */
.contact-item {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s ease-out;
}

.contact-item.animated {
    opacity: 1;
    transform: translateX(0);
}

.contact-item:nth-child(1) { transition-delay: 0.1s; }
.contact-item:nth-child(2) { transition-delay: 0.2s; }
.contact-item:nth-child(3) { transition-delay: 0.3s; }