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

:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --dark-color: #2c3e50;
    --light-color: #f8f9fa;
    --text-color: #333;
    --border-color: #e0e0e0;
    --success-color: #28a745;
    --danger-color: #dc3545;
}

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

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

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

a {
    text-decoration: none;
    color: inherit;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.top-bar {
    background: var(--dark-color);
    color: white;
    padding: 10px 0;
    font-size: 14px;
}

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

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

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

.social-links a {
    color: white;
    margin-left: 15px;
    transition: color 0.3s;
}

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

/* Navbar */
.navbar {
    padding: 15px 0;
}

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

.logo h1 {
    color: var(--primary-color);
    font-size: 28px;
    font-weight: bold;
}

.logo i {
    color: var(--secondary-color);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--primary-color);
}

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

.nav-menu a {
    color: var(--dark-color);
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s;
}

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

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

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

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    align-items: center;
    justify-content: center;
}

.slide.active {
    display: flex;
}

.slide-content {
    text-align: center;
    color: white;
    padding: 50px 20px;
    animation: slideUp 1s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-title {
    font-size: 56px;
    font-weight: bold;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.slide-subtitle {
    font-size: 24px;
    margin-bottom: 15px;
}

.slide-description {
    font-size: 18px;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.slider-prev,
.slider-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.3);
    border: none;
    color: white;
    font-size: 24px;
    padding: 15px 20px;
    cursor: pointer;
    transition: background 0.3s;
}

.slider-prev:hover,
.slider-next:hover {
    background: rgba(255,255,255,0.5);
}

.slider-prev {
    left: 20px;
}

.slider-next {
    right: 20px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

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

.btn-light:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255,255,255,0.3);
}

.btn-small {
    padding: 8px 20px;
    font-size: 14px;
}

/* Sections */
.section {
    padding: 80px 0;
}

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

.section-header h2 {
    font-size: 42px;
    color: var(--dark-color);
    margin-bottom: 15px;
}

.section-header p {
    font-size: 18px;
    color: #666;
}

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

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.2);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    margin: 0 auto 25px;
}

.service-card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.service-card p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.8;
}

.read-more {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.read-more:hover {
    gap: 12px;
}

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

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

.about-text h2 {
    font-size: 38px;
    color: var(--dark-color);
    margin-bottom: 20px;
}

.about-text p {
    color: #666;
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 25px;
}

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

.features-list li {
    padding: 10px 0;
    font-size: 16px;
    color: var(--dark-color);
}

.features-list i {
    color: var(--success-color);
    margin-right: 10px;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.3s;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.95), rgba(118, 75, 162, 0.95));
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s;
    color: white;
    padding: 20px;
    text-align: center;
}

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

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

.portfolio-overlay h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

.portfolio-overlay p {
    margin-bottom: 20px;
}

/* Testimonials */
.testimonials-section {
    background: var(--light-color);
}

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

.testimonial-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.rating {
    color: #ffc107;
    margin-bottom: 15px;
}

.testimonial-text {
    font-style: italic;
    color: #666;
    margin-bottom: 20px;
    line-height: 1.8;
}

.client-info h4 {
    color: var(--dark-color);
    margin-bottom: 5px;
}

.client-info p {
    color: #888;
    font-size: 14px;
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.blog-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.blog-image img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.blog-content {
    padding: 25px;
}

.blog-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    font-size: 14px;
    color: #888;
}

.blog-content h3 {
    margin-bottom: 15px;
    color: var(--dark-color);
}

.blog-content h3 a:hover {
    color: var(--primary-color);
}

.blog-content p {
    color: #666;
    margin-bottom: 15px;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 80px 0;
    text-align: center;
}

.cta-content h2 {
    font-size: 42px;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 20px;
    margin-bottom: 30px;
}

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

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

.footer-column h3 {
    margin-bottom: 20px;
    color: white;
}

.footer-column h4 {
    margin-bottom: 20px;
    color: white;
}

.footer-column p {
    color: #ccc;
    line-height: 1.8;
    margin-bottom: 15px;
}

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

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

.footer-column ul li a {
    color: #ccc;
    transition: color 0.3s;
}

.footer-column ul li a:hover {
    color: var(--primary-color);
}

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

.footer-column .social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.3s;
}

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

.footer-column .contact-info li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #ccc;
}

.footer-column .contact-info i {
    color: var(--primary-color);
}

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

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

/* Responsive */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        display: none;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .slide-title {
        font-size: 36px;
    }
    
    .slide-subtitle {
        font-size: 18px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .section-header h2 {
        font-size: 32px;
    }
}