body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
 
}

header {
    background-color: #fff;
  padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.logo {
    display: flex;
    align-items: center;
    font-size: 2em;
    font-weight: 700;
    color: #000000;
}

.logo img {
    height: 30px;
    margin-right: 10px;
}

.logo span {
    color: #035700;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
}

nav li {
    margin-left: 25px;
}

nav a {
    text-decoration: none;
    color: #000000;
    font-size: 0.6cm;
    font-weight: 600;
    transition: color 0.3s ease;
}

nav a:hover {
    color: #008a07;
}

nav a.take-action {
    background-color: #1a5c00;
    color: #fff;
    padding: 12px 20px;
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

nav a.take-action:hover {
    background-color: #2d8d00;
}
.nav-toggle {
  display: none;
}

.nav-toggle-label {
  display: none;
  cursor: pointer;
}

.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after {
  display: block;
  background: #000000;
  height: 2px;
  width: 2rem;
  position: relative;
}

.nav-toggle-label span::before,
.nav-toggle-label span::after {
  content: "";
  position: absolute;
}

.nav-toggle-label span::before {
  bottom: 7px;
}

.nav-toggle-label span::after {
  top: 7px;
}

.hero {
    background-image: url(/image.png);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    padding: 100px 50px;
    height: 60vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    overflow: hidden; 
}


.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 57%; 
    height: 800px; 
    background-color: white;
    border-radius: 100% 100% 100% 100%;
    transform: translateX(-25%); 
    margin-top: -35px;
    z-index: 0; 
}


.hero::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 55.5%; 
    height: 800px;
    background-color: green;
    border-radius: 100% 100% 100% 100%; 
    transform: translateX(-30%);
   
    margin-top: -35px;
    z-index: 1;
    }
.hero-left {
    max-width: 50%;
    z-index: 2;
}

.hero h1 {
    font-size: 3.2em;
    color: white;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero .earth-emoji {
    font-size: 1.2em;
    vertical-align: middle;
}

.hero p {
    font-size: 1.1em;
    color: white;
    line-height: 1.7;
    margin-bottom: 30px;
}

.hero-buttons a {
    display: inline-block;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    margin-right: 15px;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.hero-buttons .learn-more {
    background-color: #fff;
    color: #0a7c00;
    border: 2px solid #167000;
}

.hero-buttons .learn-more:hover {
    background-color: #14af00;
    color: #fff;
}

.hero-buttons .view-climate-data {
    background-color: #ffffff;
    color: #096800;
}

.hero-buttons .view-climate-data:hover {
    background-color: #009600;
    color: white;
}

.hero-right {
    max-width: 45%;
    z-index: 2;
}

.hero-right img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 5px 5px 15px rgba(0, 0, 0, 0.1);
}

 .top-nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            background-color: #096900;
            padding: 10px 40px;
            box-shadow: 0 1px 4px rgba(0,0,0,0.1);
        }
        .top-nav .search-bar {
            display: flex;
            align-items: center;
        }
        .top-nav input[type="text"] {
            padding: 8px;
            border: 1px solid #ccc;
            border-radius: 4px 0 0 4px;
            width: 350px;
            height: 35px;
        }
        .top-nav button {
            padding: 20px 15px;
            background-color: #167000;
            color: #fff;
            border: none;
            font-size: 20px;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
        }
        .top-nav button:hover {
            background-color: #0a5000;
        }
        .top-nav .btec-logo  {
            font-size: 40px;
            color: white;
            font-weight: 900;
           
        }

        @media (max-width: 768px) {
            .top-nav {
                flex-direction: column;
                align-items: flex-start;
            }
            .top-nav .search-bar {
                margin-top: 10px;
                width: 100%;
            }
            .top-nav input[type="text"] {
                width: 100%;
                border-radius: 4px;
            }
            .top-nav button {
                margin-top: 5px;
                border-radius: 4px;
            }
        }
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        height: auto;
        padding: 60px 20px;
        text-align: center;
    }

    .hero::before,
    .hero::after {
        display: none;
    }

    .hero-left {
        max-width: 100%;
    }

    .hero h1 {
        font-size: 2.5em;
    }

    .hero p {
        font-size: 1em;
    }

    .hero-buttons a {
        margin: 10px 10px;
        padding: 12px 20px;
    }
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
    }

    nav ul {
        flex-direction: column;
        width: 100%;
        padding: 10px 0;
    }

    nav li {
        margin: 10px 0;
    }
    .nav-toggle-label {
    display: block;
  }
   .nav-toggle:checked ~ nav {
    transform: scale(1, 1);
  }

    .hero h1 {
        font-size: 2em;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .hero-buttons a {
        width: 80%;
        text-align: center;
    }

    nav a.take-action {
        padding: 10px 15px;
        font-size: 0.9em;
    }
}