/* QUANTA text after logo */
.quanta-text {
    font-size: 1.1rem;
    font-weight: 900;
    margin-left: 0.5rem;
    letter-spacing: 0.05em;
    color: #5d3a8a;
    vertical-align: middle;

}

/* Services Scroll Arrows */
.services-container {
    position: relative;
    display: flex;
    align-items: center;
}

.services-scroll {
    display: flex;
    gap: 30px;
}

.nav-list {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 32px;
    list-style: none;
    margin: 0;
    padding: 0;
    background: none;
    box-shadow: none;
    position: static;
    width: auto;
    height: auto;
    min-width: unset;
    max-width: unset;
    border-radius: 0;
    overflow: visible;
    flex: none;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.services-container .scroll-arrow {
    background-color: #3d256b;
    color: #fff;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    z-index: 10;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    visibility: hidden;
}

.services-container:hover .scroll-arrow {
    opacity: 1;
    visibility: visible;
}

.services-container .left-arrow {
    left: -45px;
}

.services-container .right-arrow {
    right: -45px;
}

.services-container .scroll-arrow:hover {
    background-color: #6e48aa;
    color: #fff;
    transform: translateY(-50%) scale(1.1);
}

.chatbot-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 18px 24px 8px 24px;
    font-size: 1.35rem;
    font-weight: 700;
    background: none;
    color: transparent;
    background-image: linear-gradient(90deg, #6e48aa 40%, #4776E6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    letter-spacing: 0.5px;
    user-select: none;
    border-radius: 0 0 16px 16px;
    margin-bottom: 0;
}

.chatbot-header .chatbot-header-icon {
    font-size: 1.5em;
    margin-right: 4px;
    filter: drop-shadow(0 2px 4px rgba(110, 72, 170, 0.10));
}

/* Contact Popup Styles */

/* Base Styles */
:root {
    --primary-color: #6e48aa;
    --secondary-color: #9d50bb;
    --accent-color: #4776E6;
    --dark-color: #1a1a2e;
    --light-color: #e1effd;
    /*#f8f9fa;*/
    --text-color: #333;
    --text-light: #666;
    --white: #fff;
    --black: #000;
    --success-color: #4CAF50;
    --warning-color: #FFC107;
    --error-color: #F44336;
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-secondary: 'Arial', sans-serif;
    --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: var(--font-primary);
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--light-color);
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 15px;
    color: var(--dark-color);
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.8rem;
}

p {
    margin-bottom: 15px;
}

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

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    margin: 5px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border: 2px solid transparent;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #fff 60%, var(--secondary-color) 100%);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 24px 0 rgba(110, 72, 170, 0.18);
    text-shadow: 0 1px 6px #fff, 0 0 2px var(--primary-color);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.btn-link {
    display: block;
    color: var(--primary-color);
    font-weight: 600;
    margin-top: auto;
    width: 100%;
    text-align: left;
}

.btn-link:hover {
    color: var(--secondary-color);
    transform: translateX(5px);
}

.btn-small {
    padding: 8px 15px;
    font-size: 0.9rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    padding: 15px 0;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.header.scrolled {
    padding: 10px 0;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.12);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    gap: 60px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1001;
    transition: all 0.3s ease;
}


/* Admin Dashboard Logo Enhancement */
.logo {
    height: 120px;
    width: auto;
    transition: all 0.3s ease;
    font-weight: 1000;
    font-size: 2.7rem;
    color: #fff !important;
    text-shadow:
        2px 2px 0 #000,
        -2px 2px 0 #000,
        2px -2px 0 #000,
        -2px -2px 0 #000,
        0 2px 0 #000,
        2px 0 0 #000,
        0 -2px 0 #000,
        -2px 0 0 #000,
        0 4px 12px #000;
    letter-spacing: 2px;
    background: none;
    -webkit-background-clip: initial;
    background-clip: initial;
    filter: none;
}

.logo-text {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: transparent;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    transition: all 0.3s ease;
}

.nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    flex-wrap: nowrap;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 32px;
    justify-content: space-between;
    align-items: center;
    /* width, min-width, max-width reverted to default */
}

.nav-item {
    margin-left: 0;
    position: relative;
}

.nav-item:first-child {
    margin-left: 0;
}

.nav-item a {
    font-weight: 700;
    color: var(--dark-color);
    padding: 8px 0;
    font-size: 1.08rem;
    transition: all 0.3s ease;
    position: relative;
    background: none;
    white-space: nowrap;
}

.nav-item.active a {
    color: var(--primary-color);
    font-weight: 700;
    background: none;
}

.nav-item a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2.5px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: all 0.3s ease;
    border-radius: 2px;
}

.nav-item a:hover::after,
.nav-item.active a::after {
    width: 100%;
}

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


.nav-item a:hover {
    color: var(--primary-color);
    font-weight: 700;
    background: none;
}

/* Mobile Navigation */
.hamburger {
    display: none;
    cursor: pointer;
    z-index: 1001;
    margin-left: 20px;
    background: none;
    border: none;
    padding: 8px;
    transition: all 0.3s ease;
}

.hamburger:focus {
    outline: none;
}

.bar {
    display: block;
    width: 28px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--dark-color);
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 600px;
    background: url('../images/banner.jpg') no-repeat center center/cover;
    position: relative;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(110, 72, 170, 0.8), rgba(157, 80, 187, 0.8));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 4.5rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 30px;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s infinite;
}

.scroll-dot {
    display: block;
    width: 10px;
    height: 10px;
    background-color: var(--white);
    border-radius: 50%;
}

/* Sections */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 3px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.section-subtitle {
    color: var(--text-light);
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
}

/* About Section */
.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-text {
    flex: 1;
}

.about-image {
    flex: 1;
    position: relative;
}

.about-img {
    width: 100%;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: var(--white);
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
}

/* Values Section */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

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

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.value-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.value-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.value-description {
    color: var(--text-light);
}

/* Products Section */
.products {
    padding: 100px 0;
    background-color: #f9f9f9;
}

.products-container {
    position: relative;
    display: flex;
    align-items: center;
}

.scroll-arrow {
    background-color: var(--white);
    color: var(--primary-color);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    z-index: 10;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    visibility: hidden;
}

.left-arrow {
    left: -25px;
}

.right-arrow {
    right: -25px;
}

.products-container:hover .scroll-arrow {
    opacity: 1;
    visibility: visible;
}

.scroll-arrow:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-50%) scale(1.1);
}

.products-scroll {
    display: flex;
    gap: 30px;
    padding: 20px 0;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    width: 100%;
}

.products-scroll::-webkit-scrollbar {
    display: none;
}

.product-card {
    flex: 0 0 300px;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    overflow: hidden;
    scroll-snap-align: start;
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 420px;
    min-height: 420px;
    max-height: 420px;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.product-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: var(--accent-color);
    color: var(--white);
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 1;
}

.product-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    margin-top: auto;
    display: inline-block;
}

.product-content h3 {
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.product-content p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    font-size: 0.9rem;
    color: var(--text-light);
}

.product-meta i {
    color: var(--primary-color);
    margin-right: 5px;
}

/* Services Section */
.services-preview {
    padding: 100px 0;
}

.services-container {
    position: relative;
    display: flex;
    align-items: center;
}

.services-container .scroll-arrow {
    top: 50%;
    transform: translateY(-50%);
}

.services-container:hover .scroll-arrow {
    opacity: 1;
    visibility: visible;
}

.services-scroll {
    display: flex;
    gap: 30px;
    padding: 20px 0;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    width: 100%;
}

.services-scroll::-webkit-scrollbar {
    display: none;
}

.service-card {
    flex: 0 0 300px;
    background-color: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    scroll-snap-align: start;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

/* Internship Section */
.internship-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.internship-image {
    flex: 1;
}

.internship-img {
    width: 100%;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

.internship-text {
    flex: 1;
}

.internship-features {
    list-style: none;
    margin: 20px 0;
}

.internship-features li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.internship-features i {
    margin-right: 10px;
    color: var(--primary-color);
}

/* Testimonials Section */
.testimonial-slider {
    position: relative;
    overflow: hidden;
}

.testimonial-track {
    display: flex;
    transition: transform 0.5s ease;
}

.testimonial-slide {
    min-width: 100%;
    padding: 30px;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

.testimonial-content {
    font-style: italic;
    margin-bottom: 20px;
    color: var(--text-light);
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 15px;
    object-fit: cover;
}

.testimonial-name {
    font-weight: 600;
}

.testimonial-role {
    font-size: 0.9rem;
    color: var(--text-light);
}

.slider-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 30px;
    gap: 20px;
}

.slider-prev,
.slider-next {
    background-color: var(--primary-color);
    color: var(--white);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.slider-prev:hover,
.slider-next:hover {
    background-color: var(--secondary-color);
}

.slider-dots {
    display: flex;
    gap: 10px;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #ccc;
    cursor: pointer;
    transition: var(--transition);
}

.slider-dot.active {
    background-color: var(--primary-color);
}

/* Affiliate CTA */
.affiliate-cta {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.affiliate-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--white);
}

.affiliate-text {
    max-width: 700px;
    margin: 0 auto 30px;
    font-size: 1.2rem;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: url('../images/contact-bg.jpg') no-repeat center center/cover;
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
}

.contact .container {
    position: relative;
    z-index: 1;
}

.contact .section-title,
.contact .section-subtitle {
    color: var(--white);
}

.contact-content {
    display: flex;
    gap: 50px;
    margin-top: 50px;
}

.contact-info {
    flex: 1;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 20px;
    margin-top: 5px;
}

.info-item h4 {
    color: var(--white);
    margin-bottom: 5px;
    font-size: 1.2rem;
}

.info-item p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0;
}

.contact-form {
    flex: 1;
    background-color: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: var(--font-primary);
    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(110, 72, 170, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: var(--white);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-title {
    font-size: 1.3rem;
    margin-bottom: 25px;
    position: relative;
    color: var(--white);
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.footer-about-text {
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    transition: var(--transition);
}

.footer-social a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.footer-contact i {
    margin-right: 10px;
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    text-align: center;
}

.copyright {
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.7);
}

.footer-quote {
    font-style: italic;
    color: rgba(255, 255, 255, 0.5);
}

/* Chatbot Widget */
.chatbot-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 700px;
    max-width: 98vw;
    height: 700px;
    max-height: 96vh;
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
    z-index: 9999;
    display: none;
    flex-direction: column;
    overflow: hidden;
    transition: box-shadow 0.2s;
}

/* This must come after .chatbot-widget to override display */
.chatbot-widget.active {
    display: flex !important;
}

.chatbot-close {
    background: none;
    border: none;
    color: #2d1a4d;
    font-size: 2rem;
    font-weight: 900;
    cursor: pointer;
    display: none;
    text-shadow: 0 2px 8px #fff, 0 0 2px #000;
    transition: color 0.2s, text-shadow 0.2s;
}

.chatbot-widget.active .chatbot-close {
    display: block;
}

.chatbot-messages {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
}

.chatbot-message {
    margin-bottom: 15px;
    padding: 10px 15px;
    border-radius: 15px;
    max-width: 80%;
    animation: fadeIn 0.3s ease;
}

.bot-message {
    background-color: #f1f1f1;
    align-self: flex-start;
    border-bottom-left-radius: 5px;
}

.user-message {
    background-color: var(--primary-color);
    color: var(--white);
    align-self: flex-end;
    border-bottom-right-radius: 5px;
}

.chatbot-input {
    display: flex;
    padding: 15px;
    border-top: 1px solid #eee;
}

.chatbot-input input {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 50px;
    outline: none;
}

.chatbot-input button {
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-left: 10px;
    cursor: pointer;
}

.chatbot-toggle {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border: none;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: var(--transition);
}

.chatbot-toggle:hover {
    transform: scale(1.1);
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero-title {
        font-size: 3.5rem;
    }

    .about-content,
    .internship-content,
    .contact-content {
        flex-direction: column;
        gap: 30px;
    }

    .about-image,
    .about-text,
    .internship-image,
    .internship-text,
    .contact-info,
    .contact-form {
        flex: none;
        width: 100%;
    }
}

@media (max-width: 1224px) {
    .header {
        padding: 12px 0;
    }

    .logo {
        height: 44px;
    }

    .logo-text {
        font-size: 1.5rem;
    }

    .hamburger {
        display: block;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
        background-color: var(--primary-color);
    }

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

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
        background-color: var(--primary-color);
    }

    .nav-list {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 50vw;
        min-width: 220px;
        max-width: 400px;
        height: calc(100vh - 80px);
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        justify-content: space-between;
        padding: 40px 0;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
        transition: all 0.5s cubic-bezier(0.77, 0.2, 0.05, 1);
        overflow-y: auto;
        border-radius: 10px 0 0 10px;
    }

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

    .nav-item {
        margin: 8px 0;
        opacity: 0;
        transform: translateX(-20px);
        transition: all 0.4s ease;
    }

    .nav-list.active .nav-item {
        opacity: 1;
        transform: translateX(0);
    }

    .nav-list.active .nav-item:nth-child(1) {
        transition-delay: 0.1s;
    }

    .nav-list.active .nav-item:nth-child(2) {
        transition-delay: 0.15s;
    }

    .nav-list.active .nav-item:nth-child(3) {
        transition-delay: 0.2s;
    }

    .nav-list.active .nav-item:nth-child(4) {
        transition-delay: 0.25s;
    }

    .nav-list.active .nav-item:nth-child(5) {
        transition-delay: 0.3s;
    }

    .nav-list.active .nav-item:nth-child(6) {
        transition-delay: 0.35s;
    }

    .nav-list.active .nav-item:nth-child(7) {
        transition-delay: 0.4s;
    }

    .nav-item a {
        font-size: 1.2rem;
        padding: 10px 20px;
    }

    .nav-item a::after {
        height: 3px;
        bottom: 5px;
    }

    /* Preserve all other existing non-header styles */
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section {
        padding: 60px 0;
    }

    .chatbot-widget {
        width: 50vw;
        min-width: 220px;
        max-width: 400px;
        right: 0;
        left: auto;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

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

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

@media (max-width: 480px) {
    .logo-text {
        font-size: 1.4rem;
    }

    .logo {
        height: 40px;
    }

    .nav-list {
        top: 72px;
        height: calc(100vh - 72px);
    }

    .nav-item a {
        font-size: 1.1rem;
    }
}