body {
    background-color: var(--black);
}

main {
    background-color: var(--primary);
}

/* HERO */
#hero-fill {
    position: absolute;
    width: 100%;
    height: calc(100% - var(--header));
    background-image: url('/img/photos/rocks.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;

    &:after {
        box-shadow: inset 0 0 0 max(100vw, 100vh) rgba(0, 0, 0, 0.3);
        content: '';
        display: block;
        height: 100%;
        width: 100%;
        position: absolute;
        top: 0;
    }
}

#hero {
    grid-template-rows: 1fr 1fr;
    height: calc(100vh - var(--header));
    position: relative;
    z-index: 1;
    box-sizing: border-box;
    align-items: center;
}

@keyframes dropin {
    from {
        opacity: 0;
        translate: 0 -50%;
    }
    to {
        opacity: 1;
        translate: 0 0;
    }
}

#hero-title {
    display: grid;
    grid-column: 1 / -1;
    grid-template-rows: repeat(3, 1fr);
    height: min-content;
    margin-top: 5rem;

    & h1 {
        display: inline;
        font-size: min(24vw, 13vh);
        font-weight: 700;
        line-height: 0.85em;
        text-wrap: nowrap;
        margin: 0;
        margin-left: -0.05em;
        text-shadow: 0 10px 10px #00000025;

        animation-name: dropin;
        animation-duration: 1s;
    }
}

#hero-options {
    display: grid;
    grid-template-columns: subgrid;
    gap: 20px;
    /* background-color: var(--primary); */
    height: min-content;
    border: var(--gap) var(--white);
    border-style: none none;

    & a {
        color: var(--white);
        font-size: 18pt;
        text-shadow: 0 5px 10px #00000044;
        width: fit-content;
    }
}

/* REGISTRATION */

#registration { /* grid container */
    h2, p {
        margin-bottom: 0;
    }

    .reg-img {
        width: 100%;
        height: 250px;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
    }

    .reg-section {
        margin-bottom: 70px;
    }
}

#reg-panel {
    --height: 150px;
    height: 100%;
    min-height: var(--height);
    background-size: cover;
    background-position: center;

    #reg-link {
        display: flex;
        justify-content: center;
        width: 100%;
        height: 100%;
        min-height: var(--height);
        font-size: 2rem;
    }
}

/* PILLARS */
#pillars {
    padding-top: 50px;

    h1 {
        margin: 0;
        grid-column: 1 / -1;
    }
}

#pillars-container {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: subgrid;
    grid-template-rows: repeat(5, auto);
    margin-top: 10px;
}

.pillar-values {
    display: flex;
    flex-direction: column;
    justify-content: center;
    --padding: 20px;
    padding-left: var(--padding);
    translate: calc(-1 * var(--padding)) 0;
}

.pillar {
    grid-column: 1 / -1;
    display: grid;
    transition: grid-template-rows 0.6s ease;
    grid-template-columns: subgrid;
    grid-template-rows: auto 0;
    overflow-y: hidden;
    padding: 0.2em 0;

    &.expanded {
        grid-template-rows: auto 35vh;

        .pillar-expand-icon {
            rotate: -180deg;
        }
    }

    .pillar-title {
        grid-column: 1 / -1;
        display: flex;
        align-items: center;
        transition: background-color 0.1s linear;
        cursor: pointer;
        user-select: none;

        &:active, &:hover {
            background-color: #ffffff22;
        }
    }

    .pillar-expand-icon {
        height: 100%;
        max-height: 2.5em;
        padding: 5px;
        box-sizing: border-box;
        aspect-ratio: 1;
        margin-right: 10px;
        transition: rotate 0.3s ease;
    }

    h2 {
        flex: 1;
        margin: 0;
        font-size: 1.8rem;
        font-weight: 500;
    }

    .pillar-expand {
        grid-column: 1 / -1;
        display: grid;
        grid-template-columns: subgrid;
        height: 100%;
        box-sizing: border-box;

        .pillar-block {
            grid-column: 1;
            background-color: var(--primary);
            padding-right: 20px;

            p {
                margin: 20px 0;
            }
        }
    }
}

#coming-up-section {
    padding-bottom: 50px;

    a {
        font-size: 1.5rem;
    }

    h1 {
        margin-bottom: 10px;
    }
}

@media (min-width: 600px) {
    #hero-options {
        grid-column: 2;
    }

    .reg-section p {
        padding-right: 10px;
    }

    .pillar {
        &.expanded {
            grid-template-rows: auto 300px;
        }

        .pillar-image {
            grid-column: 1 / -1;
        }

        .pillar-block {
            grid-row: 2;
        }
    }
}

@media (min-width: 1025px) {
    #hero-title {
        margin-top: 15rem;
    }

    #hero-options {
        grid-column: 1 / -1;
        gap: 0;
    }

    #reg-panel {
        --height: 300px;
    }

    #registration {
        #grade-8 {
            grid-column: 1 / span 2;
        }
    }

    .pillar {
        padding: 0;
        h2 {
            font-size: 1.8rem;
            font-weight: 500;
        }
        .pillar-image {
            grid-column: 2 / span 2;
        }

        .pillar-block {
            grid-row: 1;
        }
    }
}