/* Base Styles */
:root {
    --primary-color: #4a6bff;
    --secondary-color: #7e57c2;
    --accent-color: #ff5757;
    --text-color: #333;
    --light-text: #fff;
    --bg-color: #fff;
    --light-bg: #f8f9fa;
    --dark-bg: #2c3e50;
    --border-radius: 8px;
    --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: 'Open Sans', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

section {
    padding: 100px 0;
    position: relative;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--light-text);
    box-shadow: 0 4px 15px rgba(74, 107, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(74, 107, 255, 0.6);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--light-text);
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hide {
    opacity: 0;
    visibility: hidden;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--light-text);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    transition: var(--transition);
    padding: 20px 0;
}

.header.scrolled {
    background: var(--bg-color);
    box-shadow: var(--box-shadow);
    padding: 15px 0;
}

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

.logo a {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--light-text);
}

.header.scrolled .logo a {
    color: var(--text-color);
}

.logo .accent {
    color: var(--accent-color);
}

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

.nav-menu a {
    color: var(--light-text);
    font-weight: 600;
    position: relative;
}

.header.scrolled .nav-menu a {
    color: var(--text-color);
}

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

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

.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--light-text);
    margin: 5px 0;
    transition: var(--transition);
}

.header.scrolled .nav-toggle span {
    background: var(--text-color);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 600px;
    color: var(--light-text);
    z-index: 2;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.hero-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.floating-icon {
    position: absolute;
    color: rgba(255, 255, 255, 0.2);
    font-size: 3rem;
    animation: float 6s ease-in-out infinite;
}

.floating-icon:nth-child(1) {
    top: 20%;
    left: 80%;
    animation-delay: 0s;
}

.floating-icon:nth-child(2) {
    top: 60%;
    left: 70%;
    animation-delay: 1s;
}

.floating-icon:nth-child(3) {
    top: 30%;
    left: 20%;
    animation-delay: 2s;
}

.floating-icon:nth-child(4) {
    top: 70%;
    left: 30%;
    animation-delay: 3s;
}

.floating-icon:nth-child(5) {
    top: 40%;
    left: 90%;
    animation-delay: 4s;
}

.floating-icon:nth-child(6) {
    top: 80%;
    left: 10%;
    animation-delay: 5s;
}

@keyframes float {
    0% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(10deg);
    }
    100% {
        transform: translateY(0) rotate(0deg);
    }
}

.wave-container {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
}

.wave {
    width: 100%;
    height: auto;
}

/* About Section */
.about {
    background: var(--bg-color);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.about-text p {
    margin-bottom: 1rem;
}

.stats-container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    margin: 40px 0;
}

.stat-item {
    text-align: center;
    padding: 20px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.1rem;
    font-weight: 600;
}

.progress-container {
    margin-top: 20px;
}

.progress-container h3 {
    text-align: center;
    margin-bottom: 15px;
}

.progress-bar-container {
    height: 20px;
    background: #e9ecef;
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
    width: 0;
    transition: width 1.5s ease;
}

.progress-label {
    position: absolute;
    top: 50%;
    right: 10px;
    transform: translateY(-50%);
    color: var(--light-text);
    font-weight: 600;
    font-size: 0.9rem;
}

/* Why Join Us Section */
.why-join {
    background: var(--light-bg);
}

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

.benefit-card {
    background: var(--bg-color);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    text-align: center;
}

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

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

.benefit-card h3 {
    margin-bottom: 15px;
}

/* Internship Categories Section */
.internship-categories {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f6f9fc, #eef2f7);
    position: relative;
    overflow: hidden;
}

.internship-categories::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(11, 59, 95, 0.03) 0%, transparent 25%),
        radial-gradient(circle at 80% 80%, rgba(0, 168, 157, 0.03) 0%, transparent 25%);
    z-index: 0;
}

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

.job-listings {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.job-item {
    background: #ffffff;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border-top: 4px solid transparent;
    position: relative;
    overflow: hidden;
}

.job-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #0b3b5f, #00a89d);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.job-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.job-item:hover::before {
    transform: scaleX(1);
}

.job-item h3 {
    color: #0b3b5f;
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.job-item p {
    color: #6b7280;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.job-item p span {
    display: inline-block;
    margin-right: 1rem;
    font-weight: 500;
    color: #4b5563;
}

.apply-now-button {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: linear-gradient(135deg, #0b3b5f, #00a89d);
    color: white;
    border-radius: 50px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 168, 157, 0.2);
}

.apply-now-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 168, 157, 0.3);
    background: linear-gradient(135deg, #0b3b5f, #00c2b6);
}

/* Animation delays */
.delay-10 { animation-delay: 0.1s; }
.delay-11 { animation-delay: 0.2s; }
.delay-12 { animation-delay: 0.3s; }
.delay-13 { animation-delay: 0.4s; }
.delay-14 { animation-delay: 0.5s; }
.delay-15 { animation-delay: 0.6s; }
.delay-16 { animation-delay: 0.7s; }

@media (max-width: 768px) {
    .job-listings {
        grid-template-columns: 1fr;
    }
    
    .job-item {
        padding: 1.5rem;
    }
}
.internships {
    background: var(--bg-color);
}

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

.internship-card {
    background: var(--light-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    text-align: center;
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

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

.internship-card h3 {
    margin-bottom: 15px;
}

.internship-card p {
    margin-bottom: 20px;
    flex-grow: 1;
}

/* Application Form Section */
.apply {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--light-text);
}

.apply .section-title::after {
    background: var(--light-text);
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-color);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--box-shadow);
}

.application-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

.form-group:nth-last-child(2),
.form-group:last-child {
    grid-column: span 2;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(74, 107, 255, 0.2);
}

.application-form .btn {
    grid-column: span 2;
    justify-self: center;
    margin-top: 20px;
}

/* Testimonials Section */
.testimonials {
    background: var(--light-bg);
}

.testimonial-slider {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.testimonial-container {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.testimonial {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial.active {
    opacity: 1;
    transform: translateX(0);
}

.testimonial-content {
    background: var(--bg-color);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
}

.testimonial-content p {
    font-size: 1.1rem;
    font-style: italic;
    margin-bottom: 15px;
}

.testimonial-author {
    font-weight: 600;
    color: var(--primary-color);
}

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

.prev-btn,
.next-btn {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
}

.prev-btn:hover,
.next-btn:hover {
    color: var(--primary-color);
}

.testimonial-dots {
    display: flex;
    gap: 10px;
    margin: 0 20px;
}

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

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

/* Contact Section */
.contact {
    background: var(--bg-color);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

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

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--light-bg);
    color: var(--primary-color);
    transition: var(--transition);
}

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

.map-container {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

/* Footer */
.footer {
    background: var(--dark-bg);
    color: var(--light-text);
    padding: 40px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a:hover {
    color: var(--accent-color);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-color);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 500px;
    position: relative;
    transform: translateY(-50px);
    transition: all 0.3s ease;
}

.modal.show .modal-content {
    transform: translateY(0);
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.close-modal:hover {
    color: var(--accent-color);
}

.modal-body {
    padding: 40px;
    text-align: center;
}

.success-icon {
    font-size: 4rem;
    color: #28a745;
    margin-bottom: 20px;
    animation: scale 0.5s ease;
}

@keyframes scale {
    0% {
        transform: scale(0);
    }
    70% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

/* Animation Classes */
.animate-fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-fade-in.show {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Styles */
@media (max-width: 992px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        background: var(--bg-color);
        flex-direction: column;
        align-items: center;
        padding: 30px 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        transition: var(--transition);
        gap: 20px;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu a {
        color: var(--text-color);
    }
    
    .nav-toggle {
        display: block;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .application-form {
        grid-template-columns: 1fr;
    }
    
    .form-group:nth-last-child(2) {
        grid-column: span 1;
    }
    
    .application-form .btn {
        grid-column: span 1;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 576px) {
    section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .benefit-card,
    .internship-card {
        padding: 20px;
    }
    
    .form-container {
        padding: 20px;
    }
}