:root {
    --font: 'Inter', sans-serif;
    --bg: #0E4672;
    --primary: #fff;
    --accent: #ff3;
}

* {
    box-sizing: border-box;
}

a,
a:visited,
a:hover {
    color: white;
    text-decoration: none;
}

/* Form layout */
form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

form>div {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 600px;
    gap: 12px;
    margin: auto;
}

form button {
    width: 200px;
}

/* Labels and inputs */
label {
    font-size: 14px;
    margin-bottom: 5px;
    font-weight: 600;
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
    padding: 12px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 4px;
    transition: border-color 0.3s, box-shadow 0.3s;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
textarea:focus,
select:focus {
    border-color: #3498db;
    box-shadow: 0 0 5px rgba(52, 152, 219, 0.5);
    outline: none;
}

body {
    font-family: var(--font);
    background-color: var(--bg);
    color: var(--primary);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

.btn,
button,
input[type="submit"] {
    background-color: #3498db;
    /* Flat blue */
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 16px;
    border-radius: 4px;
    /* Rounded corners */
    cursor: pointer;
    transition: background-color 0.3s ease;

    &:hover {
        background-color: #1f2021;
        /* Darker blue on hover */
    }

    &.light {
        background-color: #4EB857;
        color: white;

        &:hover {
            background-color: #1f2021;
            color: white;
        }
    }

    &.large {
        padding: 10px 40px;
        font-weight: bold;
        font-size: 21px;

    }
}

header {
    color: white;
    padding: 3rem 1rem;
    text-align: center;
    background-size: cover;
    min-height: 600px;
    height: 600px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    width: 100%;
    background-position: center center;

    position: sticky;
    top: 0;
    z-index: 0;


    @media only screen and (max-width: 767px) {
        padding: 18px 0;
        height: 500px;
    }

    .header-logos {
        height: 100%;
        width: 100%;
        max-width: 900px;
        background-size: contain;
        background-repeat: no-repeat;
        background-position: center center;

        @media only screen and (max-width: 767px) {
            height: 400px;
        }
    }
}

.img {
    background-size: cover;
    background-repeat: no-repeat;
    flex-shrink: 0;
    ;

}

.hbox {
    display: flex;
    align-items: center;
    gap: 18px;



    @media only screen and (max-width: 767px) {
        flex-direction: column;
        ;
    }
}

.when {
    background-color: white;
    color: var(--bg);
    padding: 0px 0;
    position: sticky;
    top: 0;
    z-index: 11;
    transform: translate3d(0, 0, 0);
    /* sometimes forces proper repaint */
    -webkit-transform: translate3d(0, 0, 0);


    @media only screen and (max-width: 767px) {
        text-align: center;

        h1 {
            font-size: 20px;
            line-height: 24px;
            margin: 4px 0;
        }

        padding:12px 0;
    }

    .hbox {
        justify-content: center;
    }
}

section {
    line-height: 2rem;
    position: relative;
    z-index: 10;
    background-color: var(--bg);
    margin: 0;
    padding: 24px 0;

    &.white {
        background-color: white;
        color: var(--bg);
    }

    .pane {
        margin: 25px 0;
        width: 1100px;
        max-width: 100%;
        margin: auto;
        padding: 12px;

        h1 {
            font-size: 60px;
            line-height: 60px;
            font-weight: bold;
            ;

            @media only screen and (max-width: 767px) {
                font-size: 30px;
                line-height: 30px;
            }
        }

        .hbox {
            gap: 60px;

            @media only screen and (max-width: 767px) {
                gap: 24px;
            }
        }
    }
}

footer {
    text-align: center;
    padding: 1rem;
    background: #eee;
    font-size: 0.9rem;
}

a:hover {
    text-decoration: underline;
}

html {
    scroll-behavior: smooth;
}

.circle-groups {
    display: flex;
    gap: 14px;
    width: 100%;
    justify-content: space-around;
    flex-wrap: wrap;

    .circle-group {
        .circle {
            width: 160px;
            height: 160px;
            border: 4px solid white;
            background-color: white;
            border-radius: 50%;
            margin: 12px 0;
            background-size: cover;
            background-position: center center;


            &.c1 {
                background-image: url("/c1.jpg");
            }

            &.c2 {
                background-image: url("/c2.jpg");
            }

            &.c3 {
                background-image: url("/c3.jpg");
            }

            &.c4 {
                background-image: url("/c4.jpg");
            }

            &.c5 {
                background-image: url("/c5.jpg");
            }
        }

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

.waterstof1 {
    width: 550px;
    height: 350px;
    border-radius: 24px;
    max-width: 90%;
}

.saltion {
    width: 300px;
    height: 400px;
    border-radius: 24px;
    max-width: 90%;
    background-position: center center;
}


.dinner {

    .img {

        width: 600px;
        height: 500px;
        border-radius: 24px;
        max-width: 90%;


        @media only screen and (max-width: 767px) {
            height: 350px;
        }
    }
}

.schedule .text {

    max-width: 400px;

    @media only screen and (max-width: 767px) {
        max-width: 100%;
    }
}