/* Global Styles */
:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --text-color: #333;
    --text-light: #7f8c8d;
    --white: #fff;
    --black: #000;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
    overflow-x: hidden;
}

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

section {
    padding: 80px 0;
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: 20px;
    color: var(--dark-color);
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    text-align: center;
    position: relative;
    padding-bottom: 15px;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
}

.section-description {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 40px;
    color: var(--text-light);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

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

/* Header Styles */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    transition: var(--transition);
}

header.scrolled {
    padding: 10px 0;
    background-color: rgba(255, 255, 255, 0.95);
}

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

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

nav ul {
    display: flex;
    list-style: none;
}

nav ul li a {
    display: block;
    padding: 20px;
    color: var(--dark-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

nav ul li a:hover {
    color: var(--primary-color);
}

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 15px;
}

/* Hero Slider Styles */
.hero {
    margin-top: 70px;
    position: relative;
    height: 100vh;
    max-height: 800px;
    overflow: hidden;
}

.slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
}

.slide.active {
    opacity: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--white);
    width: 80%;
    max-width: 800px;
    z-index: 10;
}

.slide-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
}

.slide-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.slider-nav {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    z-index: 10;
}

.slider-nav button {
    background-color: rgba(255, 255, 255, 0.3);
    border: none;
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-nav button:hover {
    background-color: rgba(255, 255, 255, 0.7);
    color: var(--dark-color);
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    margin: 0 5px;
    cursor: pointer;
    transition: var(--transition);
}

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

/* Services Styles */
.services {
    background-color: var(--light-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

/* Portfolio Styles */
.portfolio-filter {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    margin: 5px;
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active, .filter-btn:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
}

.portfolio-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.portfolio-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(52, 152, 219, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
    padding: 20px;
    text-align: center;
    color: var(--white);
}

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

.portfolio-overlay h3 {
    margin-bottom: 10px;
    font-size: 1.5rem;
}

/* About Styles */
.about {
    background-color: var(--light-color);
}

.about .container {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-content {
    flex: 1;
}

.about-image {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.stat {
    text-align: center;
    padding: 20px;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

.number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    margin-bottom: 5px;
}

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

/* Testimonials Styles */
.testimonials {
    background-color: var(--white);
}

.testimonial-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 50px;
}

.testimonial {
    text-align: center;
    padding: 30px;
    background-color: var(--light-color);
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    display: none;
}

.testimonial.active {
    display: block;
}

.testimonial p {
    font-size: 1.1rem;
    font-style: italic;
    margin-bottom: 20px;
}

.client {
    display: flex;
    align-items: center;
    justify-content: center;
}

.client img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 15px;
}

.client-info h4 {
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.client-info span {
    color: var(--text-light);
    font-size: 0.9rem;
}

.testimonial-nav {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
}

.testimonial-nav button {
    background-color: var(--primary-color);
    border: none;
    color: var(--white);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial-nav button:hover {
    background-color: var(--secondary-color);
}

/* Contact Styles */
.contact .container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 50px;
}

.contact-info h2 {
    text-align: left;
}

.contact-info h2::after {
    left: 0;
    transform: none;
}

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

.info-item i {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    font-size: 1rem;
}

.social-links {
    display: flex;
    margin-top: 30px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    margin-right: 10px;
    transition: var(--transition);
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

/* Footer Styles */
footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-col h3 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.3rem;
    position: relative;
    padding-bottom: 10px;
}

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

.footer-col p {
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.7);
}

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

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

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

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

.newsletter-form {
    display: flex;
    margin-top: 20px;
}

.newsletter-form input {
    flex: 1;
    padding: 10px 15px;
    border: none;
    border-radius: 5px 0 0 5px;
    font-family: inherit;
}

.newsletter-form button {
    padding: 0 15px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 0 5px 5px 0;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background-color: var(--accent-color);
}

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

.footer-links {
    margin-top: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    margin: 0 10px;
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

/* Responsive Styles */
@media (max-width: 992px) {
    .about .container {
        flex-direction: column;
    }
    
    .about-image {
        order: -1;
        margin-bottom: 30px;
    }
    
    .contact .container {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        margin-bottom: 40px;
    }
}

@media (max-width: 768px) {
    nav ul {
        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 ul.active {
        left: 0;
    }
    
    nav ul li a {
        padding: 15px;
        font-size: 1.2rem;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .slide-content h1 {
        font-size: 2rem;
    }
    
    .slide-content p {
        font-size: 1rem;
    }
    
    .stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    section {
        padding: 60px 0;
    }
    
    .slider-nav button {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}