/* Base Styles and Variables */
:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --text-color: #333;
    --light-gray: #f5f6fa;
    --dark-gray: #2c3e50;
    --white: #ffffff;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }

/* Top Bar */
.top-bar {
    background: var(--secondary-color);
    color: var(--white);
    padding: 10px 0;
    font-size: 0.9rem;
}

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

.top-info span {
    margin-right: 20px;
}

.top-info i {
    margin-right: 5px;
}

.social-links a {
    color: var(--white);
    margin-left: 15px;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--primary-color);
}

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

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo img {
    height: 40px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

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

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

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    box-shadow: var(--box-shadow);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    list-style: none;
    padding: 10px 0;
    border-radius: 5px;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    padding: 10px 20px;
    display: block;
}

/* Hero Slider */
.hero-slider {
    position: relative;
    height: 600px;
}

.hero-slide {
    height: 600px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.slide-1 {
    background-image: linear-gradient(rgba(44, 62, 80, 0.7), rgba(44, 62, 80, 0.7)), url('../images/hero-1.jpg');
}

.slide-2 {
    background-image: linear-gradient(rgba(44, 62, 80, 0.7), rgba(44, 62, 80, 0.7)), url('../images/hero-2.jpg');
}

.slide-content {
    position: relative;
    color: var(--white);
    text-align: center;
    padding-top: 200px;
}

.slide-content h1 {
    color: var(--white);
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease;
}

.slide-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.2s;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    text-align: center;
}

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

.btn-primary:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Services Overview */
.services-overview {
    padding: 100px 0;
    background: var(--light-gray);
}

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

.section-header p {
    color: #666;
    font-size: 1.1rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

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

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

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

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

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: 15px;
    transition: var(--transition);
}

.read-more:hover {
    gap: 10px;
}

/* Why Choose Us */
.why-choose-us {
    padding: 100px 0;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-item {
    text-align: center;
    padding: 30px;
    border-radius: 10px;
    transition: var(--transition);
}

.feature-item:hover {
    background: var(--light-gray);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--white);
    font-size: 30px;
}

/* Case Studies */
.case-studies {
    padding: 100px 0;
    background: var(--light-gray);
}

.case-study-item {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.case-study-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.case-study-content {
    padding: 30px;
}

/* Technologies */
.technologies {
    padding: 100px 0;
    background: var(--white);
}

.tech-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 50px;
}

.tech-logos img {
    height: 50px;
    filter: grayscale(100%);
    transition: var(--transition);
}

.tech-logos img:hover {
    filter: grayscale(0%);
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    text-align: center;
}

.cta-section h2 {
    color: var(--white);
}

/* Footer */
.footer {
    background: var(--secondary-color);
    color: var(--white);
    padding: 80px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-logo {
    height: 40px;
    margin-bottom: 20px;
}

.footer h4 {
    color: var(--white);
    margin-bottom: 20px;
}

.footer-links ul,
.footer-services ul {
    list-style: none;
}

.footer-links a,
.footer-services a {
    color: #ccc;
    text-decoration: none;
    transition: var(--transition);
    display: block;
    margin-bottom: 10px;
}

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

.newsletter-form {
    display: flex;
    gap: 10px;
}

.newsletter-form input {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 5px;
}

.footer-bottom {
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

/* Utility Classes */
.text-center { text-align: center; }
.mb-2 { margin-bottom: 2rem; }
.mt-2 { margin-top: 2rem; }

/* Page Header */
.page-header {
    background: linear-gradient(rgba(44, 62, 80, 0.9), rgba(44, 62, 80, 0.9)), url('../images/page-header-bg.jpg');
    background-size: cover;
    background-position: center;
    padding: 80px 0;
    color: var(--white);
    text-align: center;
}

.page-header h1 {
    color: var(--white);
    margin-bottom: 1rem;
}

.breadcrumb {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 10px;
}

.breadcrumb li a {
    color: var(--white);
    text-decoration: none;
}

.breadcrumb li.active {
    color: var(--primary-color);
}

.breadcrumb li:not(:last-child)::after {
    content: '/';
    margin-left: 10px;
    color: var(--white);
}

/* Detailed Services */
.services-overview.detailed {
    padding: 80px 0;
}

.service-detailed {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 80px;
    align-items: center;
}

.service-detailed:last-child {
    margin-bottom: 0;
}

.service-detailed.reverse {
    direction: rtl;
}

.service-detailed.reverse .service-content {
    direction: ltr;
}

.service-content {
    padding: 30px;
}

.service-content h3 {
    margin: 20px 0;
    font-size: 2rem;
}

.service-content p {
    margin-bottom: 25px;
    color: #666;
    line-height: 1.8;
}

.service-features {
    list-style: none;
    margin-bottom: 30px;
}

.service-features li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-features li i {
    color: var(--primary-color);
}

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

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-image:hover img {
    transform: scale(1.05);
}

/* Technologies Section */
.technologies-section {
    padding: 80px 0;
    background: var(--light-gray);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.tech-category {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    text-align: center;
}

.tech-category h3 {
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.tech-icons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.tech-icons img {
    height: 50px;
    filter: grayscale(100%);
    transition: var(--transition);
}

.tech-icons img:hover {
    filter: grayscale(0%);
    transform: translateY(-5px);
}

/* Service Overview */
.service-overview {
    padding: 80px 0;
    background: var(--white);
}

.service-content-detailed {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #666;
}

/* Development Services */
.development-services {
    padding: 80px 0;
    background: var(--light-gray);
}

.feature-list {
    list-style: none;
    margin-top: 20px;
    text-align: left;
}

.feature-list li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.feature-list li i {
    color: var(--primary-color);
}

/* Development Process */
.development-process {
    padding: 80px 0;
    background: var(--white);
}

.process-timeline {
    max-width: 1000px;
    margin: 50px auto 0;
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--primary-color);
}

.process-step {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin-bottom: 50px;
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s ease forwards;
}

.process-step:nth-child(even) {
    flex-direction: row-reverse;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: bold;
    font-size: 1.2rem;
    position: relative;
    z-index: 1;
}

.step-content {
    width: calc(50% - 50px);
    padding: 30px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    margin: 0 30px;
}

.step-content h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* Tech Stack */
.tech-stack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.tech-stack {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    text-align: center;
}

.tech-list {
    list-style: none;
    margin-top: 20px;
}

.tech-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.tech-list li i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

/* Case Studies Grid */
.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.case-study-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.case-study-card:hover {
    transform: translateY(-5px);
}

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

.case-study-content {
    padding: 30px;
}

.case-study-content h3 {
    margin-bottom: 15px;
}

.case-study-content p {
    margin-bottom: 20px;
    color: #666;
}

/* CTA Buttons */
.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 30px;
}