* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

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

/* Header */
header {
    background-color: #2c3e50;
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
}

.logo span {
    color: #3498db;
}

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

nav ul li {
    margin-left: 1.5rem;
}

nav ul li a {
    color: white;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s;
    padding: 0.5rem 0;
}

nav ul li a:hover {
    color: #3498db;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)),
    url('https://source.unsplash.com/random/1200x600') no-repeat center center / cover;
    color: white;
    height: 80vh;
    display: flex;
    align-items: center;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    background-color: #3498db;
    color: white;
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s;
    cursor: pointer;
}

.btn:hover {
    background-color: #2980b9;
}

/* Main Content */
.main-content {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.section-title p {
    color: #7f8c8d;
    max-width: 700px;
    margin: 0 auto;
}
/* Feature Section */
.features {display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; margin-bottom: 4rem;}
.feature-card {background-color: white; border-radius: 8px; padding: 2rem; box-shadow:0 5px 15px rgba(0, 0, 0, 0.05); transition:transform 0.3s; box-shadow: 0.3s;}
.feature-card:hover {transform: translateY(-10px); box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);}
.feature-icon {font-size: 2.5rem; color: #3498db; margin-bottom: 1rem;}
.feature-card h3 {font-size: 1.5rem; margin-bottom: 1rem; color: #2c3e50;}

/* About Section */
.about {display:grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; margin-bottom: 4rem;}
.about-image img {width: 100%; border-radius: 8px; box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);}
.about-content h2 {font-size: 2.2rem; margin-bottom: 1.5rem; color: #2c3e50;}
.about-content p {margin-bottom: 1.5rem; color: #555;}

/* Testimonials */
.testimonials {background-color: #2c3e50; color: white; padding:4rem 0; margin-bottom: 4rem; }
.testimonial-grid {display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem;}
.testimonial-card {background-color: rgba (255, 255, 255, 0.1); padding:2rem; border-radius: 8px;}
.testimonial-text {font-style: italic; margin-bottom: 1.5rem;}
.testimonial-author {display:flex; align-items: center;}

.author-avatar {width: 50px; height: 50px; border-radius: 50%; background-color: #3498db; margin-right: 1rem; display: flex; align-items: center; justify-content: center; font-weight: bold;}

/* Contact Section */
.contact {margin-bottom: 4rem; }
.contact-form { max-width: 600px; margin:0 auto; background-color: white; padding: 2rem; border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05); }
.form-group {margin-bottom: 1.5rem;}
.form-group label {display: block; margin-bottom: 0.5rem; font-weight: 500;}
.form-group input,
.form-group textarea {width: 100%; padding: 0.8rem; border: 1px solid #ddd; border-radius: 5px; font-size: 1rem; }
.form-group textarea {height: 150px; resize: vertical;}

/* Footer */
.footer {background-color: #2c3e50; color: white; padding:3rem 0 1rem; }
.footer-content {display: grid; grid-template-columns: repeat(auto-fit,minmax(200px,1fr)); gap:2rem; margin-bottom: 2rem;}
.footer-column h3 {font-size: 1.3rem; margin-bottom: 1.5rem; position: relative; padding-bottom: 0.05rem;}
.footer-column h3::after {content:''; position:absolute; left:0; bottom: 0; width: 50px; height: 2px; background-color: #3498db;}
.footer-column ul {list-style: none;}
.footer-column ul li {margin-bottom: 0.8rem;}
.footer-column ul li a {color: #bdc3c7; text-decoration: none; transition: color 0.3s;}
.footer-column ul li a:hover {color: #3498db;}

.social-links {display: flex; gap:1rem;}
.social-links a {display: inline-flex; align-items: center; justify-content: center; width: 40px; height:40px; background-color: rgba(255, 255, 255, 0.1); border-radius: 50%; color: white; text-decoration: none; transition: background-color 0.3s;}
.social-links a:hover {background-color: #3498db;}

.copyright {text-align: center; padding-top: 2rem; border-top: 1px; solid rgba(255, 255, 255, 0.1); color:#bdc3c7; font-size: 0.9rem;}

/* Responsive Design */
@media (max-width: 992px) {
    .about {grid-template-columns: 1fr;}
    .about-image {order: -1;}
}
@media (max-width: 768px){
    .mobile-menu {display: block;}

    nav ul {display: none; position: absolute; top: 100%; left: 0; width: 100%; background-color: #2c3e50; flex-direction: column; padding: 1rem 0;}
    nav ul.show {display:flex; }
    nav ul li {margin:0; text-align: center;}
    nav ul li a {display: block; padding: 0.8rem 0;}

    .hero h1 {font-size: 2.2rem;}
    .hero p {font-size: 1rem;}
}

@media (max-width: 576px) {
    .hero h1 {font-size: 1.8rem; }
    .section-title h2 {font-size: 2rem;}
    .feature-card,
    .testimonial-card {padding: 1.5rem;}
}