* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    /* standard 16px */
    /* 16px*0.625 = 10px */
    font-size: 0.625em; /* 62.5% */
}

/* em oder px um sich auf die standardschrift des browsers zu beziehen */
@media (min-width: 100em) {
    html {
        font-size: 0.75em;
    }
}

@media (min-width: 120em) {
    html {
        font-size: 0.9em;
    }
}

@media (min-width: 140em) {
    html {
        font-size: 1.05em;
    }
}

body {
    font-family: "Montserrat", sans-serif;
    font-size: 1.6rem;
    min-height: 100%;
    margin: 0;
    padding: 0;
    background-color: rgb(100, 100, 100);

    /* Breite: 150px, Höhe: 650px */
    /* Verhältnis Breite Höhe: 1:5 */
    /* alpha: 11.31deg */

    background-image:
        linear-gradient(101.31deg, rgb(226,29,60) 50%, rgba(0,0,0,0.5) 50%, transparent 55%),
        url('../images/waves-cropped.svg'), 
        linear-gradient(0deg, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.5) 100%), 
        url('../images/pexels-cesar-galeao-3289711-gray.jpg');

    background-attachment: 
        fixed, 
        fixed, 
        fixed, 
        fixed;
        
    background-repeat:
        no-repeat,
        no-repeat, 
        no-repeat, 
        no-repeat;
    background-size:
        /* x y Achsen */
        100% 100%, 
        40% auto,
        100% 100%, 
        calc(50% + 20vh) auto;
    background-position:
        -10vh 50%,
        100% 100%,
        50% 50%,
        100% 25%;
}

@media (max-width: 62.5em) {
    body {
        background-color: rgb(226,29,60);
        background-image: url("../images/waves-white-cropped.svg");
        background-attachment: initial;
        background-repeat: no-repeat;
        background-position: 100% 100%;
        background-size: 33vw auto;
    }
}

@media (max-width: 30em) {
    body {
        background-image: none;
    }
}

.page-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    display: flex;
    flex-direction: row;
    flex: 1 0 auto;
    /* min-height, wenn der content mehr platz braucht als beim sichtbaren viewport vorhanden ist */
}

@media (max-width: 62.5em) {
    .container {
        flex-direction: column;
    }
}

.main-content {
    flex: 0 0 40%;
    /* width: 40%; */

    display: flex;
    flex-direction: column;
    /* justify-content: space-between; */
}

.countdown {
    flex: 0 1 60%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    /* width: 60%; */
}

/* header {
    padding-top: 10px;
    padding-left: 10px;
} */

.logo {
    width: 27.5rem;
    margin-top: 1.5rem;
    margin-left: 1.5rem;
}

@media (max-width: 62.5em) {
    .logo {
        display: block;
        margin-left: auto;
        margin-right: auto;
    }
}

.main-offer {
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: flex-start;
    /* margin-top: 75px;
    margin-bottom: 75px;
    margin-left: 80px;
    margin-right: 15px; */
    align-self: center;
    /* margins fungieren hier als mindest-abstand, dadurch wie die flexbox funktioniert */
    margin-top: 5.5rem;
    margin-bottom: 8rem;
    /* gleich, damit der content zentriert wird */
    margin-right: 1.5rem;
    margin-left: 1.5rem;
    flex: 1 0 auto;
}

@media (max-width: 62.5em) {
    .main-offer {
        align-items: center;
        margin-bottom: 3rem;
    }
}

.main-heading {
    margin-top: 0rem;
    margin-bottom: 0rem;
    /* margin-left: 65px; */
    font-style: italic;
    font-size: 2.8rem;
    font-weight: normal;
    color: white;
    line-height: 1.2;
    letter-spacing: 0.05em;
}

@media (max-width: 62.5em) {
    .main-heading {
        text-align: center;
    }
}

.main-heading > strong {
    text-transform: uppercase;
}

.main-offer-price {
    display: block;
    font-size: 12rem;
    margin-top: 1.8rem;
}

.button {
    display: inline-block;
    /* margin-left: 65px; */
    margin-top: 3rem;
    text-decoration: none;
    color: white;
    text-transform: uppercase;
    background-color: black;
    padding-top: 1rem;
    padding-bottom: 1rem;
    padding-left: 3.5rem;
    padding-right: 3.5rem;
    border-radius: 20000rem;
    letter-spacing: 0.05em;
    font-weight: 500;
    font-size: 2rem;
}

.button:hover {
    background-color: rgb(50,50,50);
}

footer {
    margin-left: 3.5rem;
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

footer > p {
    margin: 0rem;
}

.html-text {
    text-transform: uppercase;
}

.page-links {
    text-decoration: none;
    color: black;
}

.divider-dot {
    text-align: center;
    vertical-align: middle;
    font-weight:bold;
    padding-left: 1rem;
    padding-right: 1rem;
}

.countdown-heading {
    margin: 3rem 0 0 0;
    color: white;
    text-align: center;
    letter-spacing: 0.05em;
    font-weight: normal;
    font-size: 2.8rem;
    text-transform: uppercase;
}

.countdown-paragraph {
    margin: 0;
    text-align: center;
    color: white;
    text-transform: uppercase;
    font-size: 5.6rem;
}