/* ---- Body ---- */
body {
    margin: 0;
    background-image:url('../images/brick_background.gif');
}


/* ---- Page ---- */
#page {
    max-width: 1250px;
    min-width: 350px;
    margin: 0 auto;
}


/* ---- Header ---- */
header {
    position: relative;
    display: flex;
    justify-content: center;
    padding: 8px 8px 20px 8px;
    background: #135b9a;
    background: linear-gradient(0deg, #135b9a 0%, #1979cc 5%, #135b9a 100%);
    grid-area: header;
    cursor: default;
    letter-spacing: 0.25em;
    z-index: 100;

    /* header background */
    --s: 32px; /* control the size*/
    --c1: #135b9a;
    --c2: #f1d4af;
    --g:conic-gradient(at 90% 40%,#0000 75%,var(--c1) 0);
    background: var(--g),var(--g) var(--s) var(--s) var(--c2);
    background-size: calc(2*var(--s)) calc(2*var(--s));

    /* header zigzag mask */
    --mask: conic-gradient(from -57.5deg at bottom,#0000,#000 1deg 114deg,#0000 115deg) 50%/31.39px 100%;
    -webkit-mask: var(--mask);
    mask: var(--mask);
    margin-bottom: -10px;
}
h1 {
    font-family: "Special Elite", sans-serif;
    text-align: center;
    font-size: 3.5em;
    margin: 0;
    padding: .5em 0 0.2em 0;
    color: #e9b655;
    text-shadow: -1.5px -1.5px 0 #000, 1.5px -1.5px 0 #000, -1.5px 1.5px 0 #000, 1.5px 1.5px 0 #000, 0px 0px 15px rgba(255,255,255,0.95);;
}


/* ---- Nav ---- */
nav {
    padding: 10px;
    font-size: 1.6em;
    color: darkorange;
    font-family: "Margarine";
    text-shadow: -.75px -.75px 0 #000, .75px -.75px 0 #000, -.75px .75px 0 #000, .75px .75px 0 #000;
    letter-spacing: .05em;
    grid-area: nav;

    /* background design */
    --s: 140px; /* control the size*/
    --c1: #c4e9af;
    --c2: #ddf2d1;
    --_g: #0000 52%,var(--c1) 54% 57%,#0000 59%; 
    background: 
        radial-gradient(farthest-side at -33.33% 50%,var(--_g)) 0 calc(var(--s)/2),
        radial-gradient(farthest-side at 50% 133.33%,var(--_g)) calc(var(--s)/2) 0,
        radial-gradient(farthest-side at 133.33% 50%,var(--_g)),
        radial-gradient(farthest-side at 50% -33.33%,var(--_g)),
        var(--c2);
    background-size: calc(var(--s)/4.667) var(--s),var(--s) calc(var(--s)/4.667);
}
nav #menu-button {
    margin-right: 10px;
    display: flex;
    justify-content: flex-end;
}
nav #menu-button a:hover {
    cursor: pointer;
}
nav ul {
    list-style-type: none;
    display: flex;
    flex-direction: column;
    gap: 0.5em;

    position: fixed;
    transition: 0.4s;
    height: 100%;
    width: 0;
    top: 0;
    left: 0;
    z-index: 1000;
    margin: 0;
    padding: 0;
    /* background design */
    --s: 140px; /* control the size*/
    --c1: #c4e9af;
    --c2: #ddf2d1;
    --_g: #0000 52%,var(--c1) 54% 57%,#0000 59%; 
    background: 
        radial-gradient(farthest-side at -33.33% 50%,var(--_g)) 0 calc(var(--s)/2),
        radial-gradient(farthest-side at 50% 133.33%,var(--_g)) calc(var(--s)/2) 0,
        radial-gradient(farthest-side at 133.33% 50%,var(--_g)),
        radial-gradient(farthest-side at 50% -33.33%,var(--_g)),
        var(--c2);
    background-size: calc(var(--s)/4.667) var(--s),var(--s) calc(var(--s)/4.667);
    /* right side shape mask */
    --mask: 
        linear-gradient(to left,#0000 12px,#000 0),
        radial-gradient(12px,#000 98%,#0000) right/24px 22.2px;
    mask: var(--mask);
    margin-right: -7px;
}
.expanded-menu {
    width: 250px;
}

nav ul li {
    margin-right: 3em;
    cursor: pointer;
}
nav ul li a {
    color: darkorange;
    text-decoration: none;
    padding: 5px 20px;
    display: block;
}
nav ul li:hover a {  
    color: #163a99;
}
nav ul #close-menu {
    text-align: right;
    margin-right: -50px;
    font-size: 2em;
    margin-bottom: -0.5em;
}


/* ---- Main ---- */
main {
    background-color: #bbdbf7;
    color: #082844;
    padding: 1em 0;
    grid-area: main;
    --main_padding: 30px;
    padding: var(--main_padding);
    padding-left: calc(var(--main_padding) + 7px);
    padding-bottom: calc(var(--main_padding) + 40px);

    /* background pattern */
    --s: 75px; /* control the size*/
    --c1: #d1e7fa;
    --c2: #bbdbf7;
    --_g: var(--c1) 90deg,#0000 90.5deg;
    background:
    conic-gradient(from -45deg,var(--_g)),
    conic-gradient(from 135deg,var(--_g)) calc(var(--s)/2) 0,
    var(--c2);
    background-size: var(--s) var(--s);

    /* zigzag pattern at top of main */
    --mask: radial-gradient(9px at top,#0000 97%,#000) 50% / 16.65px 100%;
    mask: var(--mask);
    margin-top: -9px;
}


/* ---- Footer ---- */
footer {
    text-align: center;
    padding: .7em 0;
    font-family: "Special Elite", sans-serif;
    font-size: 2.5em;
    color: white;
    text-shadow: -1.5px -1.5px 0 #000, 1.5px -1.5px 0 #000, -1.5px 1.5px 0 #000, 1.5px 1.5px 0 #000;
    cursor: default;
    grid-area: footer;
    z-index: 100;

    /* background pattern */
    --s: 79px; /* control the size*/
    --c1: #633d2e;
    --c2: #f7af63;
    --l: var(--c1) 20%,#0000 0;
    --g: 35%,var(--c2) 0 45%,var(--c1) 0;
    background:
        linear-gradient(45deg,var(--l) 45%,var(--c1) 0 70%,#0000 0),
        linear-gradient(-45deg,var(--l) var(--g) 70%,#0000 0),
        linear-gradient(45deg,var(--c1) var(--g));
    background-size: var(--s) var(--s);

    /* zigzag pattern on top */
    --mask: conic-gradient(from 122.5deg at top,#0000,#000 1deg 114deg,#0000 115deg) 50%/31.39px 100%;
    -webkit-mask: var(--mask);
    mask: var(--mask);
    margin-top: -10px;
}
footer .copyright {
    font-size: .4em;
    margin-top: .5em;
}




/* ==== MEDIUM VIEWPORT ==== */
@media (min-width: 650px) {
    /* ---- Header (medium) ---- */
    h1 {
        font-size: 4em;
    }
    header {
        padding-bottom: 32px;
    }


    /* ---- Nav (medium) ---- */
    nav {
        display: block;
    }
    .expanded-menu {
        width: auto;
    }
    nav ul {
        position: initial;
        height: initial;
        width: initial;
        background:  none;
        background-size: initial;
        --mask: none;
        -webkit-mask: none;
        mask: none;
        margin-right: 0;
        padding: 0;
        flex-direction: row;
        display: flex;
        justify-content: space-evenly;
        font-size: 0.9em;
        gap: 0;
    }
    nav ul li {
        margin: 0;
    }
    nav ul li a {
        padding: 5px 10px;
    }
    nav #menu-button, nav ul #close-menu {
        display: none;
    }
    nav ul li:hover a {  
        color: #163a99;
    }
    nav ul li:first-of-type {
        display: none;
    }
}




/* ==== LARGE VIEWPORT ==== */
@media (min-width: 1050px) {
    /* ---- Page (large) ---- */
    #page {
        display: grid;
        grid-template-areas: "header header"
                            "nav main"
                            "footer footer";
        grid-template-columns: auto 1fr;
        box-shadow: 0px 0px 10px;
    }


    /* ---- Header (large) ---- */
    @keyframes balance {
        0%, 100% { transform: rotate(0deg); }
        30%, 60% { transform: rotate(-45deg); }
    }
    @keyframes balance2 {
        0%, 100% { transform: rotate(0deg); }    
        30%, 60% { transform: rotate(45deg); }
    }
    @keyframes falling {
        12% { transform: rotateX(240deg);}
        24% { transform: rotateX(150deg); }
        36% { transform: rotateX(200deg); }
        48% { transform: rotateX(175deg); }
        60%, 85% { transform: rotateX(180deg); }
        100% { transform: rotateX(0deg); }
    }
    @keyframes shrinkjump {
        10%, 35% { transform: scale(1, .4) translate(0, 0); }
        45%, 50% { transform: scale(1) translate(0, -40px); }
        80% { transform: scale(1) translate(0, 0); }
    }
    @keyframes rotateletter {
        20%, 80% { transform: rotateY(180deg); }
        100% { transform: rotateY(360deg); }
    }
    header h1 span {
        display: inline-block;
        position: relative;
    }
    header.header-anim1 h1:hover span {
            animation: shrinkjump .7s ease-in-out;
            transform-origin: bottom center;
        }
    header.header-anim2 h1:hover span {
        animation: falling 2s ease-out;
        transform-origin: bottom center;
        line-height: .4em;
    }
    header.header-anim3 h1:hover span {
        animation: rotateletter 3s ease-out;
    }
    header.header-anim4 h1:hover span {
        animation: balance 1.5s ease-out;
        transform-origin: bottom left;
    }
    header.header-anim5 h1:hover span {
        animation: balance2 1.5s ease-out;
        transform-origin: bottom left;
    }
    header.header-anim6 h1:hover span:nth-of-type(2), header.header-anim6 h1:hover span:nth-of-type(5), header.header-anim6 h1:hover span:nth-of-type(7), header.header-anim6 h1:hover span:nth-of-type(11) {
        animation: falling 2s ease-out;
        transform-origin: bottom center;
        line-height: .6em;
    }
    header.header-anim6 h1:hover span:nth-of-type(4), header.header-anim6 h1:hover span:nth-of-type(8), header.header-anim6 h1:hover span:nth-of-type(10) {
        animation: rotateletter 3s ease-out;
    }
    header.header-anim6 h1:hover span:nth-of-type(3), header.header-anim6 h1:hover span:nth-of-type(6), header.header-anim6 h1:hover span:nth-of-type(9) {
        animation: shrinkjump 1.5s ease-in-out;
        transform-origin: bottom center;
    }
    header.header-anim6 h1:hover span:first-of-type {
        animation: balance 1.5s ease-out;
        transform-origin: bottom left;
    }
    header.header-anim6 h1:hover span:last-of-type {
        animation: balance2 1.5s ease-out;
        transform-origin: bottom right;
    }
    header h1:hover span:nth-of-type(2) { animation-delay: .05s; }
    header h1:hover span:nth-of-type(3) { animation-delay: .1s; }
    header h1:hover span:nth-of-type(4) { animation-delay: .15s; }
    header h1:hover span:nth-of-type(5) { animation-delay: .2s; }
    header h1:hover span:nth-of-type(6) { animation-delay: .25s; }
    header h1:hover span:nth-of-type(7) { animation-delay: .3s; }
    header h1:hover span:nth-of-type(8) { animation-delay: .35s; }
    header h1:hover span:nth-of-type(9) { animation-delay: .4s; }
    header h1:hover span:nth-of-type(10) { animation-delay: .45s; }
    header h1:hover span:nth-of-type(11) { animation-delay: .5s; }
    header h1:hover span:nth-of-type(12) { animation-delay: .55s; }


    /* ---- Nav (large) ---- */
    nav {
        /* right side shape mask */
        --mask: 
            linear-gradient(to left,#0000 12px,#000 0),
            radial-gradient(12px,#000 98%,#0000) right/24px 22.2px;
        mask: var(--mask);
        margin-right: -7px;
        z-index: 50;
    }
    nav ul {
        gap: 0.5em;
        flex-direction: column;
        margin-top: 1em;
        font-size: 1.1em;
    }
    nav ul li {
        margin-right: 1em;
    }
    @keyframes shaken {
        0% { transform: translateX(0) translateY(0) rotate(0); }
        12% { transform: translateX(-5px) translateY(-25px) rotate(-10deg); }
        35% { transform: translateX(5px) translateY(25px) rotate(10deg); }
        70% { transform: translateX(-5px) translateY(-25px) rotate(-5deg); }
        100% { transform: translateX(0) translateY(0) rotate(0); }
    }
    @keyframes shake {
        0% { transform: translateY(0); }
        8% { transform: translateY(-13px); }
        16% { transform: translateY(13px); }
        32% { transform: translateY(-9px); }
        50% { transform: translateY(4px); }
        70% { transform: translateY(-3px); }
        100% { transform: translateY(0); }
    }
    nav ul li:hover a {  
        animation: shake 0.4s;
        animation-iteration-count: 1;
        transform-origin: 25% 25%;
    }
    nav ul li a {
        padding: 5px 20px;
    }
}