:root {
    --primary-color: #6c63ff;
    --secondary-color: #4d44db;
    --dark-color: #1e1e2c;
    --light-color: #f8f9fa;
    --text-color: #333;
    --bg-color: #fff;
    --nav-bg: #fff;
    --nav-text: #333;
    --nav-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --primary-color: #6c63ff;
    --secondary-color: #4d44db;
    --dark-color: #f8f9fa;
    --light-color: #1e1e2c;
    --text-color: #f8f9fa;
    --bg-color: #1e1e2c;
    --nav-bg: #1e1e2c;
    --nav-text: #f8f9fa;
    --nav-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    transition: background-color 0.3s, color 0.3s;
}

/* Navigation */
.navbar {
    background-color: var(--nav-bg);
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--nav-shadow);
    transition: all 0.3s ease;
}

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

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

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

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

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

.nav-link {
    color: var(--nav-text);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--primary-color);
}

.theme-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: 30px;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    border-radius: 24px;
    transition: .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    border-radius: 50%;
    transition: .4s;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.theme-icon {
    font-size: 1.2rem;
    color: var(--nav-text);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 25px;
    height: 20px;
    cursor: pointer;
}

.bar {
    width: 100%;
    height: 3px;
    background-color: var(--nav-text);
    transition: all 0.3s ease;
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background-color: var(--nav-bg);
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        box-shadow: var(--nav-shadow);
        transition: all 0.5s ease;
    }

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

    .nav-link {
        margin: 15px 0;
    }

    .nav-toggle {
        display: flex;
    }

    .theme-toggle {
        margin-left: 0;
        margin-top: 20px;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

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

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
}

/* Hero Section */
.hero {
    padding: 100px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hero-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

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

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.btn {
    padding: 12px 25px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
    border: none;
}

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

.hero-image {
    flex: 1;
    text-align: right;
}

.hero-img {
    max-width: 100%;
    border-radius: 10px;
}

/* About Section */
.about {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: black;
}

.section-header p {
    font-size: 1rem;
    color: #888;
}

.about-content {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.about-image {
    flex: 1;
    min-width: 300px;
}

.tech-logos {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.logo-row {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.tech-logo {
    width: 40px;
    height: 40px;
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.skills {
    margin-top: 30px;
}

.skill-item {
    margin-bottom: 20px;
}

.skill-name {
    display: flex;
    justify-content: space-between;
    margin-bottom: 5px;
}

.skill-bar {
    height: 8px;
    background-color: #eee;
    border-radius: 5px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 5px;
    width: 0;
}

/* Services Section */
.services {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--bg-color);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

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

.service-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.service-card h3 {
    margin-bottom: 10px;
}

/* Portfolio Section */
.portfolio {
    padding: 80px 0;
}

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

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
}

.portfolio-img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-link {
    color: #fff;
    font-size: 1.2rem;
    background-color: var(--primary-color);
    padding: 10px 15px;
    border-radius: 50%;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.portfolio-link:hover {
    background-color: #4d44db;
}

.portfolio-content {
    padding: 20px;
}

.portfolio-tags {
    margin-top: 10px;
}

.tag {
    display: inline-block;
    background-color: var(--primary-color);
    color: #fff;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-right: 8px;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.contact-content {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.contact-info {
    flex: 1;
    min-width: 300px;
    color: black;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.contact-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 15px;
}

.contact-form {
    flex: 1;
    min-width: 300px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

/* Footer */
.footer {
    padding: 60px 0;
    background-color: var(--nav-bg);
    color: var(--nav-text);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
}

.footer-about,
.footer-links {
    flex: 1;
    min-width: 250px;
}

.footer-links ul {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--nav-text);
    text-decoration: none;
}

.footer-bottom {
    margin-top: 40px;
    text-align: center;
    font-size: 0.9rem;
    color: #aaa;
}

.social-links {
    margin-top: 15px;
}

.social-links a {
    color: var(--nav-text);
    margin-right: 10px;
    font-size: 1.2rem;
    text-decoration: none;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
    }

    .hero-image {
        text-align: center;
        margin-top: 30px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .about-content,
    .contact-content {
        flex-direction: column;
    }
}









.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 15px 25px;
    border-radius: 5px;
    background-color: #4CAF50;
    color: white;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    z-index: 1000;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.error {
    background-color: #f44336;
}