* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: ease-in 0.4s;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    user-select: none;
}

:root {
    --main: #ca2767;
    /* --sub: #221b61; */
    --sub: #000;
    --grdnt: linear-gradient(to right, var(--sub) 30%, var(--main));
    --w: #f1f1f1;
    --val: 8px;
    --trans: #00000088;
    --blueBack: #221b6188;
}

html {
    scroll-behavior: smooth;
    /* direction: rtl; */
}

.f-evenly {
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    flex-wrap: wrap;
}

.f-around {
    display: flex;
    align-items: center;
    justify-content: space-around;
    flex-wrap: wrap;
}

.f-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.f-center {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.grid {
    display: grid;
}

.pad10 {
    padding: 10px;
}

.pad15 {
    padding: 15px;
}

.pad20 {
    padding: 20px;
}

.pad-container {
    padding: 50px;
}

.gap10 {
    gap: 10px;
}

.gap15 {
    gap: 15px;
}

.gap20 {
    gap: 20px;
}

.gap25 {
    gap: 25px;
}

a {
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.rad10 {
    border-radius: 10px;
}

.rad15 {
    border-radius: 15px;
}

.txt-shad {
    text-shadow: 0 0 3px #00000088;
}

.box-shad {
    box-shadow: 0 0 10px #00000088;
}

.start-page {
    width: 100%;
    height: 60vh;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
}


/* responsive for images: */

@media (max-width: 599px) {
    .img {
        width: 320px;
    }
    .img img {
        width: 100%;
    }
}

@media (min-width: 600px) {
    .img {
        width: 520px;
    }
    .img img {
        width: 100%;
    }
}

header {
    width: 100%;
    height: 10vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9;
    background: var(--grdnt);
    padding-left: 35px;
    padding-right: 35px;
    /* overflow: hidden; */
}

header nav a,
header nav div {
    font-size: 18px;
    color: var(--w);
    padding: 7px;
    margin: 7px;
    display: inline-block;
    cursor: pointer;
}

header nav div:hover {
    text-decoration: underline;
}

header h2 {
    color: var(--w);
}

footer {
    position: fixed;
    bottom: 0;
    left: 0;
    height: 10vh;
    width: 100%;
    background: var(--grdnt);
    color: var(--w);
}

.btn {
    text-decoration: none;
    background: var(--grdnt);
    color: var(--w);
    display: inline-block;
    padding: 7px;
    margin: 7px;
    border: 2px solid var(--w);
    font-size: 18px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    user-select: none;
}

.btn:hover {
    text-decoration: none;
}