/* Global Styles */
:root {
    --primary-color: #4CAF50;
    --primary-dark: #388E3C;
    --primary-light: #A5D6A7;
    --secondary-color: #2196F3;
    --text-color: #333333;
    --text-light: #666666;
    --background-light: #F5F5F5;
    --white: #FFFFFF;
    --black: #000000;
    --gray-light: #EEEEEE;
    --gray: #DDDDDD;
    --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(--text-color);
    background-color: var(--white);
    overflow-x: hidden;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 15px;
}

p {
    margin-bottom: 15px;
}

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

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

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

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 16px;
}

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

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

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

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

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

.section-header h2 {
    font-size: 36px;
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
}

.section-header h2::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

.section-header p {
    color: var(--text-light);
    font-size: 18px;
    max-width: 700px;
    margin: 0 auto;
}

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

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

.logo h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 0;
}

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

.nav-links {
    display: flex;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    color: var(--text-color);
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

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

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

.mobile-menu {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2670&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding: 0 20px;
}

.hero-content {
    max-width: 800px;
}

.hero-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
    animation: fadeInDown 1s ease;
}

.hero-content p {
    font-size: 20px;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease;
}

.hero-buttons {
    animation: fadeIn 1.5s ease;
}

.hero-buttons .btn {
    margin: 0 10px;
}

/* Services Section */
.services {
    padding: 100px 0;
    background-color: var(--background-light);
}

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

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

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

.service-icon {
    width: 70px;
    height: 70px;
    background-color: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.service-icon i {
    font-size: 30px;
    color: var(--primary-dark);
}

.service-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-light);
}

/* About Section */
.about {
    padding: 100px 0;
}

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

.about-text {
    padding-right: 20px;
}

.about-text .section-header {
    text-align: left;
}

.about-text .section-header h2::after {
    left: 0;
    transform: none;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 30px;
}

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

.feature i {
    color: var(--primary-color);
    margin-right: 10px;
    font-size: 18px;
}

.about-image {
    position: relative;
    height: 500px;
    border-radius: 10px;
    overflow: hidden;
    background: url('https://images.unsplash.com/photo-1508514177221-188b1cf16e9d?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2670&q=80');
    background-size: cover;
    background-position: center;
    box-shadow: var(--box-shadow);
}

/* Projects Section */
.projects {
    padding: 100px 0;
    background-color: var(--background-light);
}

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

@media screen and (min-width: 992px) {
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.project-card {
    position: relative;
    height: 300px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.project-card:nth-child(1) {
    background: url('https://images.pexels.com/photos/13416008/pexels-photo-13416008.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=2');
    background-size: cover;
    background-position: center;
}

.project-card:nth-child(2) {
    background: url('https://images.unsplash.com/photo-1591474200742-8e512e6f98f8?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2274&q=80');
    background-size: cover;
    background-position: center;
}

.project-card:nth-child(3) {
    background: url('https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2670&q=80');
    background-size: cover;
    background-position: center;
}

.project-card:nth-child(4) {
    background: url('https://images.pexels.com/photos/9148614/pexels-photo-9148614.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=2');
    background-size: cover;
    background-position: center;
}

.project-card:nth-child(5) {
    background: url('https://images.pexels.com/photos/21047659/pexels-photo-21047659.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=2');
    background-size: cover;
    background-position: center;
}

.project-card:nth-child(6) {
    background: url('https://images.pexels.com/photos/10697615/pexels-photo-10697615.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=2');
    background-size: cover;
    background-position: center;
}

.project-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--white);
    transform: translateY(100%);
    transition: var(--transition);
}

.project-card:hover .project-info {
    transform: translateY(0);
}

.project-info h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.project-info p {
    font-size: 14px;
    margin-bottom: 0;
}

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
    background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), url('https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2670&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
}

.testimonials .section-header h2::after {
    background-color: var(--white);
}

.testimonials-slider {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    gap: 30px;
    padding: 20px 0;
}

.testimonials-slider::-webkit-scrollbar {
    display: none;
}

.testimonial {
    flex: 0 0 100%;
    scroll-snap-align: start;
}

.testimonial-content {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    padding: 30px;
    position: relative;
}

.testimonial-content p {
    font-size: 18px;
    font-style: italic;
    margin-bottom: 20px;
}

.client-info h4 {
    font-size: 18px;
    margin-bottom: 5px;
}

.client-info p {
    font-size: 14px;
    margin-bottom: 0;
    opacity: 0.8;
}

/* Contact Section */
.contact {
    padding: 100px 0;
}

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

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

.contact-item i {
    font-size: 24px;
    color: var(--primary-color);
    margin-right: 20px;
    margin-top: 5px;
}

.contact-item h3 {
    font-size: 18px;
    margin-bottom: 5px;
}

.contact-item p {
    color: var(--text-light);
    margin-bottom: 5px;
}

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

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--gray);
    border-radius: 5px;
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.contact-form textarea {
    height: 150px;
    resize: none;
}

/* Footer */
footer {
    background-color: #222;
    color: var(--white);
    padding: 70px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.footer-logo h2 {
    font-size: 24px;
    margin-bottom: 15px;
}

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

.footer-logo p {
    opacity: 0.8;
}

.footer-logo .certifications {
    margin-top: 10px;
    font-size: 14px;
    opacity: 0.7;
    font-style: italic;
}

.footer-links h3,
.footer-services h3,
.footer-social h3 {
    font-size: 18px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h3::after,
.footer-services h3::after,
.footer-social h3::after {
    content: '';
    position: absolute;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
    bottom: 0;
    left: 0;
}

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

.footer-links a {
    color: var(--white);
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary-color);
}

.footer-services ul li {
    opacity: 0.8;
}

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

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

.social-icons a:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

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

.footer-bottom p {
    margin-bottom: 0;
    opacity: 0.7;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Styles */
@media screen and (max-width: 992px) {
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        height: 400px;
    }
    
    .testimonial {
        flex: 0 0 100%;
    }
}

@media screen and (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        margin: 15px 0;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .hero-content p {
        font-size: 18px;
    }
    
    .section-header h2 {
        font-size: 30px;
    }
}

@media screen and (max-width: 576px) {
    .hero-buttons .btn {
        display: block;
        width: 100%;
        margin: 10px 0;
    }
    
    .services-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
}

/* Animation classes */
.service-card, .project-card, .about-image, .about-text, .contact-content > div {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.service-card.active, .project-card.active, .about-image.active, .about-text.active, .contact-content > div.active {
    opacity: 1;
    transform: translateY(0);
}

.service-card:nth-child(2), .project-card:nth-child(2) {
    transition-delay: 0.2s;
}

.service-card:nth-child(3), .project-card:nth-child(3) {
    transition-delay: 0.4s;
}

.service-card:nth-child(4), .project-card:nth-child(4) {
    transition-delay: 0.6s;
}

.service-card:nth-child(5) {
    transition-delay: 0.8s;
}

.service-card:nth-child(6) {
    transition-delay: 1s;
}