/* Global Styles */
:root {
    --primary-color: #4a6cf7;
    --secondary-color: #6c757d;
    --dark-color: #212529;
    /* --light-color: #f8f9fa; */
    --light-color: #F5FFF5;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--light-color);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

.section-title {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

section {
    padding: 100px 0;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
    text-align: center;
}

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

.primary-btn:hover {
    background: #3a5bd9;
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

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

.secondary-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

/* Header Styles */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary-color);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

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

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 3px 0;
    background-color: var(--dark-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 10px;
    line-height: 1.2;
}

.hero h2 {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    line-height: 1.6;
}

.highlight {
    color: var(--primary-color);
}

.cta-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-container {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    border: 5px solid white;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.profile-container:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.profile-pic {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

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

.about-content {
    display: flex;
    justify-content: center;
}

.about-text {
    max-width: 800px;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.about-details {
    margin-top: 30px;
}

.detail-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.detail-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 15px;
}

/* Skills Section */
.skills {
    background-color: #f8f9fa;
}

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.skill-category {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.skill-category:hover {
    transform: translateY(-10px);
}

.skill-category h3 {
    text-align: center;
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 1.5rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 10px;
}

.skill-item i {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

/* Switch Settings */
.ui-switch {
    --switch-bg: rgb(135, 150, 165);
    --switch-width: 48px;
    --switch-height: 20px;
    --circle-diameter: 32px;
    --circle-bg: rgb(232, 89, 15);
    --circle-inset: calc((var(--circle-diameter) - var(--switch-height)) / 2);
}

.ui-switch input {
    display: none;
}

.slider {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: var(--switch-width);
    height: var(--switch-height);
    background: var(--switch-bg);
    border-radius: 999px;
    position: relative;
    cursor: pointer;
}

.slider .circle {
    top: calc(var(--circle-inset) * -1);
    left: 0;
    width: var(--circle-diameter);
    height: var(--circle-diameter);
    position: absolute;
    background: var(--circle-bg);
    border-radius: inherit;
    background-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIGhlaWdodD0iMjAiIHdpZHRoPSIyMCIgdmlld0JveD0iMCAwIDIwIDIwIj4KICAgIDxwYXRoIGZpbGw9IiNmZmYiCiAgICAgICAgZD0iTTkuMzA1IDEuNjY3VjMuNzVoMS4zODlWMS42NjdoLTEuMzl6bS00LjcwNyAxLjk1bC0uOTgyLjk4Mkw1LjA5IDYuMDcybC45ODItLjk4Mi0xLjQ3My0xLjQ3M3ptMTAuODAyIDBMMTMuOTI3IDUuMDlsLjk4Mi45ODIgMS40NzMtMS40NzMtLjk4Mi0uOTgyek0xMCA1LjEzOWE0Ljg3MiA0Ljg3MiAwIDAwLTQuODYyIDQuODZBNC44NzIgNC44NzIgMCAwMDEwIDE0Ljg2MiA0Ljg3MiA0Ljg3MiAwIDAwMTQuODYgMTAgNC44NzIgNC44NzIgMCAwMDEwIDUuMTM5em0wIDEuMzg5QTMuNDYyIDMuNDYyIDAgMDExMy40NzEgMTBhMy40NjIgMy40NjIgMCAwMS0zLjQ3MyAzLjQ3MkEzLjQ2MiAzLjQ2MiAwIDAxNi41MjcgMTAgMy40NjIgMy40NjIgMCAwMTEwIDYuNTI4ek0xLjY2NSA5LjMwNXYxLjM5aDIuMDgzdi0xLjM5SDEuNjY2em0xNC41ODMgMHYxLjM5aDIuMDg0di0xLjM5aC0yLjA4NHpNNS4wOSAxMy45MjhMMy42MTYgMTUuNGwuOTgyLjk4MiAxLjQ3My0xLjQ3My0uOTgyLS45ODJ6bTkuODIgMGwtLjk4Mi45ODIgMS40NzMgMS40NzMuOTgyLS45ODItMS40NzMtMS40NzN6TTkuMzA1IDE2LjI1djIuMDgzaDEuMzg5VjE2LjI1aC0xLjM5eiIgLz4KPC9zdmc+");
    background-repeat: no-repeat;
    background-position: center center;
    transition: left 150ms cubic-bezier(0.4, 0, 0.2, 1) 0ms, transform 150ms cubic-bezier(0.4, 0, 0.2, 1) 0ms;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0px 2px 1px -1px rgba(0,0,0,0.2), 0px 1px 1px 0px rgba(0,0,0,0.14), 0px 1px 3px 0px rgba(0,0,0,0.12);
}

.slider .circle::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.75);
    border-radius: inherit;
    transition: all 500ms;
    opacity: 0;
}

.ui-switch input:checked+.slider .circle {
    left: calc(100% - var(--circle-diameter));
    background-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIGhlaWdodD0iMjAiIHdpZHRoPSIyMCIgdmlld0JveD0iMCAwIDIwIDIwIj4KICAgIDxwYXRoIGZpbGw9IiNmZmYiCiAgICAgICAgZD0iTTQuMiAyLjVsLS43IDEuOC0xLjguNyAxLjguNy43IDEuOC42LTEuOEw2LjcgNWwtMS45LS43LS42LTEuOHptMTUgOC4zYTYuNyA2LjcgMCAxMS02LjYtNi42IDUuOCA1LjggMCAwMDYuNiA2LjZ6IiAvPgo8L3N2Zz4=");
    background-color: rgb(0, 56, 146);
}

.ui-switch input:active+.slider .circle::before {
    transition: 0s;
    opacity: 1;
    width: 0;
    height: 0;
}

/* Projects Section */
.projects {
    background-color: white;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
}

.project-image {
    overflow: hidden;
    height: 200px;
}

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

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

.project-info {
    padding: 20px;
}

.project-info h3 {
    margin-bottom: 10px;
    font-size: 1.5rem;
}

.project-info p {
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 15px;
}

.project-tags span {
    background-color: #e9ecef;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.9rem;
}

.project-links {
    display: flex;
    gap: 15px;
}

.project-links a {
    color: var(--primary-color);
    font-weight: 500;
}

.project-links a:hover {
    text-decoration: underline;
}

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

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact-info {
    min-width: 300px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.contact-item i {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-right: 20px;
    margin-top: 5px;
}

.contact-item h3 {
    margin-bottom: 5px;
}

.social-links {
    display: flex;
    gap: 20px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.social-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: white;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.social-icon i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.social-icon:hover {
    background-color: var(--primary-color);
    transform: translateY(-5px);
}

.social-icon:hover i {
    color: white;
}

.contact-form {
    min-width: 300px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #e9ecef;
    border-radius: 5px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 30px 0;
    text-align: center;
}

/* === DARK MODE STYLES === */
.dark-mode {
    --primary-color: #90caf9;
    --secondary-color: #aaa;
    --dark-color: #f1f1f1;
    --light-color: #121212;
    --box-shadow: 0 5px 15px rgba(255, 255, 255, 0.1);
}

/* Hero Section Dark Mode */
.dark-mode .hero {
    background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%) !important;
}

/* Backgrounds and sections */
.dark-mode body,
.dark-mode .about,
.dark-mode .skills,
.dark-mode .projects,
.dark-mode .contact,
.dark-mode section {
    background-color: #1a1a1a !important;
    color: var(--dark-color);
}

.dark-mode .skill-category,
.dark-mode .project-card {
    background-color: #2a2a2a !important;
    color: var(--dark-color);
    border: 1px solid #333;
}

.dark-mode .contact-form,
.dark-mode .contact-info,
.dark-mode .about-text {
    background-color: transparent !important;
    color: var(--dark-color);
}

.dark-mode header,
.dark-mode footer {
    background-color: rgba(30, 30, 30, 0.95) !important;
    color: var(--dark-color);
}

.dark-mode .nav-links,
.dark-mode .nav-links a,
.dark-mode .logo {
    color: var(--dark-color) !important;
}

.dark-mode .nav-links {
    background-color: rgba(30, 30, 30, 0.98) !important;
}

.dark-mode .bar {
    background-color: var(--dark-color);
}

/* Button styles for dark mode */
.dark-mode .primary-btn {
    background: var(--primary-color);
    color: #1a1a1a;
}

.dark-mode .primary-btn:hover {
    background: #64b5f6;
    color: #1a1a1a;
}

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

.dark-mode .secondary-btn:hover {
    background: var(--primary-color);
    color: #1a1a1a;
}

/* Project and form elements */
.dark-mode .project-tags span {
    background-color: #333;
    color: var(--dark-color);
}

.dark-mode .form-group input,
.dark-mode .form-group textarea {
    background-color: #2a2a2a !important;
    color: var(--dark-color);
    border: 1px solid #444;
}

.dark-mode .form-group input::placeholder,
.dark-mode .form-group textarea::placeholder {
    color: #aaa;
}

.dark-mode .social-icon {
    background-color: #2a2a2a;
    border: 1px solid #333;
}

.dark-mode .social-icon i {
    color: var(--primary-color);
}

.dark-mode .social-icon:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.dark-mode .social-icon:hover i {
    color: #1a1a1a;
}

/* Section title underline */
.dark-mode .section-title::after {
    background: var(--primary-color);
}

/* Detail items and icons */
.dark-mode .detail-item i,
.dark-mode .skill-item i,
.dark-mode .contact-item i {
    color: var(--primary-color);
}

/* Project links */
.dark-mode .project-links a {
    color: var(--primary-color);
}

.dark-mode .project-links a:hover {
    color: #64b5f6;
}

/* === RESPONSIVE DESIGN === */

/* Large screens */
@media (max-width: 1200px) {
    .container {
        max-width: 100%;
        padding: 0 30px;
    }
    
    .hero .container {
        gap: 30px;
    }
    
    .hero h1 {
        font-size: 3.2rem;
    }
}

/* Medium screens */
@media (max-width: 992px) {
    .hero {
        background: var(--light-color);
        padding: 120px 0 80px;
    }
    
    .dark-mode .hero {
        background: #1a1a1a !important;
    }
    
    .hero .container {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }
    
    .hero-content {
        order: 2;
        max-width: 100%;
    }
    
    .hero-image {
        order: 1;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .hero h2 {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .profile-container {
        width: 280px;
        height: 280px;
    }
}

/* Small screens */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        padding: 30px 0;
        gap: 20px;
        z-index: 999;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero {
        min-height: 100vh;
        padding: 100px 0 60px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero h2 {
        font-size: 1.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    section {
        padding: 70px 0;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: 40px;
    }
    
    .skills-container {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .profile-container {
        width: 250px;
        height: 250px;
    }
    
    .container {
        padding: 0 20px;
    }
}

/* Extra small screens */
@media (max-width: 576px) {
    .hero h1 {
        font-size: 2rem;
        margin-bottom: 15px;
    }
    
    .hero h2 {
        font-size: 1.3rem;
        margin-bottom: 20px;
    }
    
    .hero p {
        font-size: 1rem;
        margin-bottom: 25px;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .profile-container {
        width: 220px;
        height: 220px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
    
    .skill-item i {
        font-size: 2rem;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-item i {
        margin-right: 0;
        margin-bottom: 10px;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .logo {
        font-size: 1.5rem;
    }
}

/* Very small screens */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero h2 {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .profile-container {
        width: 200px;
        height: 200px;
    }
    
    .skill-category {
        padding: 20px;
    }
    
    .project-info {
        padding: 15px;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 12px;
    }
}

/* Landscape orientation fixes */
@media (max-height: 600px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 120px 0 60px;
    }
    
    .profile-container {
        width: 200px;
        height: 200px;
    }
    
    section {
        padding: 60px 0;
    }
}