/* ===================================
   Global Styles & Reset
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4285f4;
    --secondary-color: #34a853;
    --text-dark: #202124;
    --text-light: #5f6368;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
    --shadow-hover: 0 4px 8px rgba(0, 0, 0, 0.15), 0 2px 4px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
}

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

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

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

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

/* ===================================
   Header & Navigation
   =================================== */
.header {
    position: sticky;
    top: 0;
    width: 100%;
    background: var(--white);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.navbar {
    padding: 15px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--text-dark);
    transition: var(--transition);
}

.logo:hover {
    opacity: 0.8;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
    display: block;
}

.logo span {
    color: var(--text-dark);
    font-weight: 500;
    letter-spacing: -0.5px;
}

.logo i {
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

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

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    margin-left: -8px;
    order: -1;
}

.nav-toggle span {
    width: 20px;
    height: 2px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f0fe 100%);
    position: relative;
    overflow: hidden;
}

/* Floating Animated Shapes */
.floating-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation-timing-function: ease-in-out;
    animation-iteration-count: infinite;
}

.shape-1 {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    top: 10%;
    left: 10%;
    animation: float-1 20s infinite;
}

.shape-2 {
    width: 60px;
    height: 60px;
    background: var(--secondary-color);
    top: 60%;
    right: 15%;
    animation: float-2 15s infinite;
}

.shape-3 {
    width: 100px;
    height: 100px;
    background: #ff6b6b;
    bottom: 20%;
    left: 20%;
    animation: float-3 25s infinite;
}

.shape-4 {
    width: 70px;
    height: 70px;
    background: #4ecdc4;
    top: 30%;
    right: 25%;
    animation: float-4 18s infinite;
}

.shape-5 {
    width: 90px;
    height: 90px;
    background: #ffe66d;
    bottom: 10%;
    right: 10%;
    animation: float-5 22s infinite;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content .tagline {
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    padding: 14px 35px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.btn:hover {
    background: #3367d6;
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: #2d8e47;
}

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

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

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.section-title p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.section-bg {
    background: var(--bg-light);
}

/* ===================================
   Service Cards
   =================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}

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

.service-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-card .btn {
    padding: 10px 25px;
    font-size: 0.9rem;
}

/* ===================================
   About Section
   =================================== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-features {
    display: grid;
    gap: 20px;
    margin-top: 30px;
}

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

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

.feature-item h4 {
    font-size: 1.1rem;
    color: var(--text-dark);
}

.about-image {
    text-align: center;
}

.about-image img {
    border-radius: 12px;
    box-shadow: var(--shadow-hover);
}

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

.portfolio-item {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.portfolio-item:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

.portfolio-image {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-image i {
    font-size: 4rem;
    color: var(--white);
}

.portfolio-info {
    padding: 25px;
}

.portfolio-info h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.portfolio-info p {
    color: var(--text-light);
    line-height: 1.7;
}

.portfolio-info .category {
    display: inline-block;
    padding: 5px 15px;
    background: var(--bg-light);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--primary-color);
    margin-top: 15px;
}

/* ===================================
   Internship Section
   =================================== */
.internship-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.internship-card {
    background: var(--white);
    padding: 35px 25px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.internship-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

.internship-card i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.internship-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.internship-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.internship-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

/* ===================================
   Contact Section
   =================================== */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--text-dark);
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 25px;
}

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

.info-item h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--text-dark);
}

.info-item p {
    color: var(--text-light);
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.contact-form h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--text-dark);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    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(66, 133, 244, 0.1);
}

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

.form-message {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: none;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.map-container {
    margin-top: 50px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.map-container iframe {
    width: 100%;
    height: 400px;
    border: none;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.footer-section p {
    color: #b0b0b0;
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li a {
    color: #b0b0b0;
    transition: var(--transition);
}

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

.footer-section ul li i {
    margin-right: 10px;
    color: var(--primary-color);
    width: 20px;
    text-align: center;
}

.footer-section ul.contact-info {
    padding: 0;
    background: transparent;
    box-shadow: none;
}

.footer-section ul.contact-info li {
    color: #b0b0b0;
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    line-height: 1.6;
}

.footer-section ul.contact-info li i {
    font-size: 1rem;
    flex-shrink: 0;
}

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

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

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: #b0b0b0;
}

/* Mobile Menu Overlay */
.menu-overlay {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.menu-overlay.active {
    display: block;
    opacity: 1;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    .nav-wrapper {
        flex-wrap: nowrap;
    }
    
    .logo {
        order: 0;
        margin: 0 auto;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 280px;
        text-align: left;
        transition: 0.3s ease;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
        padding: 20px 0;
        gap: 0;
        height: calc(100vh - 70px);
        overflow-y: auto;
        z-index: 999;
    }

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

    .nav-menu li {
        margin: 0;
        padding: 0;
    }
    
    .nav-menu li a {
        display: block;
        padding: 16px 24px;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .nav-menu li a:hover {
        background: #f8f9fa;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

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

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

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content .tagline {
        font-size: 1.1rem;
    }

    .section-title h2 {
        font-size: 2rem;
    }

    .about-content,
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .services-grid,
    .portfolio-grid,
    .internship-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .logo-img {
        height: 35px;
    }
    
    .logo span {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 0;
    }

    .hero-content h1 {
        font-size: 1.7rem;
    }
    
    .logo-img {
        height: 32px;
    }
    
    .logo span {
        font-size: 1rem;
    }

    .section {
        padding: 50px 0;
    }

    .btn {
        padding: 12px 25px;
        font-size: 0.95rem;
    }
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Floating Shape Animations */
@keyframes float-1 {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(30px, -30px) rotate(90deg);
    }
    50% {
        transform: translate(-20px, -60px) rotate(180deg);
    }
    75% {
        transform: translate(-40px, -30px) rotate(270deg);
    }
}

@keyframes float-2 {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(-40px, 40px) scale(1.1);
    }
    66% {
        transform: translate(20px, -20px) scale(0.9);
    }
}

@keyframes float-3 {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    50% {
        transform: translate(50px, 50px) rotate(180deg);
    }
}

@keyframes float-4 {
    0%, 100% {
        transform: translate(0, 0);
    }
    25% {
        transform: translate(-30px, 30px);
    }
    50% {
        transform: translate(-60px, -30px);
    }
    75% {
        transform: translate(-30px, -60px);
    }
}

@keyframes float-5 {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg) scale(1);
    }
    33% {
        transform: translate(40px, -40px) rotate(120deg) scale(1.15);
    }
    66% {
        transform: translate(-30px, -30px) rotate(240deg) scale(0.85);
    }
}

/* Text Animation Classes */
.animate-text {
    animation: fadeInUp 0.8s ease-out;
}

.animate-text-delay-1 {
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.animate-text-delay-2 {
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.animate-text-delay-3 {
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

/* Pulse Animation for Icons */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.service-card i,
.internship-card i {
    animation: pulse 2s ease-in-out infinite;
}

.service-card:hover i,
.internship-card:hover i {
    animation: none;
    transform: scale(1.1);
}