body {
    margin: 0;
    font-family: Arial, sans-serif;
}

.hero-section {
    position: relative;
    height: 600px;
    overflow: hidden;
    background: linear-gradient(rgba(0,0,0,0.75), rgba(0,0,0,0.75)), url('../assets/image/topic1.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    padding: 0 80px;
    margin-top: -30px;
}
.hero-section1 {
    position: relative;
    height: 600px;
    overflow: hidden;
    background: linear-gradient(rgba(0,0,0,0.75), rgba(0,0,0,0.75)), url('../assets/image/topic2.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    padding: 0 80px;
    margin-top: -30px;
}
.hero-section2 {
    position: relative;
    height: 600px;
    overflow: hidden;
    background: linear-gradient(rgba(0,0,0,0.75), rgba(0,0,0,0.75)), url('../assets/image/togtvoroi_uildverlel.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    padding: 0 80px;
    margin-top: -30px;
}
.hero-section3 {
    position: relative;
    height: 600px;
    overflow: hidden;
    background: linear-gradient(rgba(0,0,0,0.75), rgba(0,0,0,0.75)), url('../assets/image/topic4.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    padding: 0 80px;
    margin-top: -30px;
}
.hero-section4 {
    position: relative;
    height: 600px;
    overflow: hidden;
    background: linear-gradient(rgba(0,0,0,0.75), rgba(0,0,0,0.75)), url('../assets/image/nogoon_ez.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    padding: 0 80px;
    margin-top: -30px;
}
.hero-section5 {
    position: relative;
    height: 600px;
    overflow: hidden;
    background: linear-gradient(rgba(0,0,0,0.75), rgba(0,0,0,0.75)), url('../assets/image/topic6.jpeg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    padding: 0 80px;
    margin-top: -30px;
}
.hero-content {
    color: white;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 2.5em;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.2em;
    line-height: 1.6;
    margin-bottom: 30px;
}

.cta-button {
    display: inline-block;
    padding: 12px 30px;
    background-color: #2980b9;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    text-transform: uppercase;
    font-weight: bold;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background-color: #3498db;
}

.content-section {
    padding: 60px 80px;
}

.content-section h2 {
    font-size: 2em;
    margin-bottom: 30px;
    color: #2c3e50;
}

.content-section p {
    font-size: 1.1em;
    line-height: 1.6;
    color: #34495e;
    margin-bottom: 20px;
}

.tabs {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
    border-bottom: 1px solid #ddd;
    padding: 0 80px;
}

.tab {
    padding: 15px 25px;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    color: #34495e;
    text-transform: uppercase;
    font-weight: bold;
}

.tab.active {
    border-bottom-color: #2980b9;
    color: #2980b9;
}