:root {
    --primary: #3498db;
    --dark: #2c3e50;
    --light: #ecf0f1;
    --white: #ffffff;
}

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

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: var(--light);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

.nav {
    display: flex;
}

.nav__link {
    margin-left: 30px;
    color: var(--dark);
    text-decoration: none;
    transition: color 0.3s;
}

.nav__link:hover {
    color: var(--primary);
}


.burger {
    display: none;
    cursor: pointer;
}

.burger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--dark);
    margin: 5px 0;
    transition: 0.4s;
}

.intro {
    padding: 150px 0 100px;
    text-align: center;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('images/bg.jpg');
    background-size: cover;
    color: var(--white);
}

.intro__title {
    font-size: 48px;
    margin-bottom: 20px;
}

.intro__text {
    font-size: 20px;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    background: var(--primary);
    color: var(--white);
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    transition: background 0.3s;
}

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

.features {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
}

.features__inner {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.feature {
    flex: 0 0 30%;
    text-align: center;
    padding: 30px 20px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 30px;
    transition: all 0.3s ease;
    border: 1px solid #eaeaea;
    position: relative;
    overflow: hidden;
}

.feature:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-color: #3498db;
}

.feature img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 25px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 12px;
    border: 2px solid #eaeaea;
  
}


.footer {
    background: var(--dark);
    color: var(--white);
    padding: 30px 0;
    text-align: center;
}

@media (max-width: 992px) {
    .feature {
        flex: 0 0 48%;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .burger {
        display: block;
    }
    
    .intro__title {
        font-size: 36px;
    }
}

@media (max-width: 576px) {
    .feature {
        flex: 0 0 100%;
    }
    
    .intro {
        padding: 120px 0 80px;
    }
}