*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --maroon: #800000;
    --almostwhite: #FADADD;
    --lightgrey: #f9f9f9;
    --navbarheight: 100px;
}

body {
    font-family: 'Source Sans Pro', sans-serif;
    background: #fff;
    overflow-x: hidden;
}

.hero {
    position: relative;
    left: 50%;
    width: 100vw;
    height: 82vh;
    margin-left: -50vw;
    margin-top: var(--navbarheight);
    display: block;
    padding: 0;
    overflow: hidden;

    background:
        linear-gradient(90deg, rgba(0,0,0,.32) 0%, rgba(0,0,0,.18) 58%, rgba(42,0,0,.28) 100%),
        linear-gradient(to top, rgba(0,0,0,.52) 0%, rgba(0,0,0,.08) 48%, rgba(0,0,0,.12) 100%),
        image-set(
            url('/images/gvu_homepage.avif') type('image/avif'),
            url('/images/gvu_homepage.webp') type('image/webp'),
            url('/images/gvu_homepage.png') type('image/png')
        ) center 46% / cover no-repeat;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(80,0,0,.18) 0%, transparent 28%, transparent 76%, rgba(52,0,0,.10) 100%);
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    width: 6%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(38,0,0,.10) 90%);
    z-index: 1;
}

.hero-text {
    position: absolute;
    left: 50%;
    bottom: clamp(3rem, 6vw, 4.75rem);
    transform: translateX(-50%);
    z-index: 3;
    width: min(90vw, 760px);
    padding: 1.15rem 1.6rem 1.35rem;
    text-align: center;
    border-radius: 1.25rem;
    background: radial-gradient(ellipse at center, rgba(0, 0, 0, .42) 0%, rgba(0, 0, 0, .26) 48%, transparent 78%);
    animation: fadeInUp .7s ease both;
}

.hero-kicker {
    width: fit-content;
    margin: 0 auto .85rem;
    padding: 0;
    color: rgba(255, 255, 255, .86);
    font-family: 'Source Sans Pro', sans-serif;
    font-size: clamp(.78rem, 1vw, .9rem);
    font-weight: 800;
    letter-spacing: .14em;
    line-height: 1.45;
    text-transform: uppercase;
    text-shadow: 0 2px 14px rgba(0, 0, 0, .55);
}

.hero-text h1 {
    font-family: 'Source Sans Pro', sans-serif;
    font-size: clamp(1.9rem, 2.75vw, 2.75rem);
    font-weight: 800;
    line-height: 1.04;
    color: #fff;
    letter-spacing: .01em;
    text-shadow: 0 4px 22px rgba(0, 0, 0, .58);
}

.hero-text p {
    max-width: 680px;
    margin: .85rem auto 0;
    font-family: 'Source Sans Pro', sans-serif;
    font-size: clamp(.72rem, .95vw, .84rem);
    font-weight: 800;
    color: rgba(255, 255, 255, .86);
    line-height: 1.45;
    letter-spacing: .14em;
    text-transform: uppercase;
    text-shadow: 0 2px 14px rgba(0, 0, 0, .55);
}

.hero-btn {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    margin: 1.15rem auto 0;
    background: transparent;
    color: #fff;
    padding: .35rem 0 .45rem;
    border: 0;
    border-bottom: 2px solid rgba(255, 255, 255, .72);
    border-radius: 0;
    font-weight: 800;
    font-size: .9rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    text-decoration: none;
    box-shadow: none;
    transition: transform .2s ease, border-color .2s ease, color .2s ease;
}

.hero-btn:hover {
    background: transparent;
    border-color: #fff;
    transform: translateY(-2px);
    color: #fff;
}

.hero-photos {
    position: absolute;
    left: clamp(-4rem, -1vw, -1rem);
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: 39rem;
    height: 36rem;
}

.hero-photos::before,
.hero-photos::after {
    content: '';
    position: absolute;
    width: 13.5rem;
    height: 13.5rem;
    border-radius: 1.35rem;
    transform: rotate(45deg);
    pointer-events: none;
}

.hero-photos::before {
    left: 14.5rem;
    top: -5.75rem;
    background: rgba(128,0,0,.85);
}

.hero-photos::after {
    left: 6rem;
    bottom: -7.75rem;
    background: rgba(128,0,0,.85);
}

.diamond-outline {
    position: absolute;
    width: 16rem;
    height: 16rem;
    border: 3px solid rgba(128, 0, 0, .86);
    border-radius: 1.55rem;
    transform: rotate(45deg);
    pointer-events: none;
    z-index: 0;
}

.do1 {
    left: 4.4rem;
    top: -2.1rem;
}

.do2 {
    left: 14.2rem;
    top: 13.2rem;
}

.do3 {
    left: 7.5rem;
    top: 25rem;
}

.photo-card {
    position: absolute;
    width: 12rem;
    height: 12rem;
    border-radius: 1.15rem;
    overflow: hidden;
    box-shadow:
        0 20px 40px rgba(0,0,0,.42),
        0 0 0 1.5px rgba(255,255,255,.22);  
    transform: rotate(45deg);
    animation: hoverDiamond 5.5s ease-in-out infinite;
    transition: transform .35s ease, box-shadow .35s ease;
}

.photo-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transform: rotate(-45deg) scale(1.45);
    transition: transform .65s ease;
}

.pc1 img {
    transform: rotate(-45deg) translate(-0.6rem, -1.1rem) scale(1.45);
}

.pc1 { left: 1rem;    top: 5rem; }
.pc2 { left: 16rem;   top: 6rem;    width: 13rem; height: 13rem; }
.pc3 { left: 8.5rem;  top: 17.25rem; width: 12.5rem; height: 12.5rem; }
.pc4 { left: 20.5rem; top: 24rem;   width: 12rem; height: 12rem; }

.pc1 { animation-delay: .05s; }
.pc2 { animation-delay: .12s; }
.pc3 { animation-delay: .18s; }
.pc4 { animation-delay: .24s; }

.photo-card:hover {
    transform: rotate(45deg) translateY(-10px) scale(1.05);
    box-shadow:
        0 32px 64px rgba(0,0,0,.42),
        0 0 0 2px rgba(255,255,255,.38);
    z-index: 10;
}

.photo-card:hover img {
    transform: rotate(-45deg) scale(1.54);
}

.photo-card.pc1:hover img {
    transform: rotate(-45deg) translate(-1.4rem, -1.1rem) scale(1.54);
}

@keyframes hoverDiamond {
    0%, 100% { transform: rotate(45deg) translateY(0); }
    50%       { transform: rotate(45deg) translateY(-9px); }
}

.scroll-hint {
    display: none;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateX(-50%) translateY(14px); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

@media (max-width: 900px) {
    .hero {
        height: 100svh;
        display: block;
        padding: 8rem 1.25rem 5rem;
        background:
            linear-gradient(to bottom, rgba(42,0,0,.25) 0%, rgba(42,0,0,.62) 60%, rgba(42,0,0,.80) 100%),
            image-set(
                url('/images/gvu_homepage.avif') type('image/avif'),
                url('/images/gvu_homepage.webp') type('image/webp'),
                url('/images/gvu_homepage.png') type('image/png')
            ) 10% 26% / cover no-repeat;
    }

    .hero-text {
        bottom: 3rem;
        width: min(90vw, 34rem);
    }

    .hero-kicker {
        max-width: 100%;
        font-size: clamp(.95rem, 3.4vw, 1.25rem);
        letter-spacing: .12em;
        line-height: 1.25;
    }

    .hero-text h1 {
        margin-top: .55rem;
        font-size: clamp(1rem, 4.3vw, 1.35rem);
        line-height: 1.1;
    }

    .hero-text p {
        margin-top: .65rem;
        font-size: clamp(.72rem, 2.7vw, .9rem);
        font-weight: 800;
        letter-spacing: .11em;
        line-height: 1.25;
    }

    .hero-btn {
        margin-top: 1rem;
        padding: .72rem 1.45rem;
        font-size: 1rem;
    }

    .hero-photos {
        left: -4.5rem;
        top: 42%;
        width: 58rem;
        height: 48rem;
        transform: translateY(-50%);
    }

    .hero-photos::before,
    .hero-photos::after {
        width: 18rem;
        height: 18rem;
        opacity: .7;
    }
    .hero-photos::before { left: 25rem; top: -6.25rem; }
    .hero-photos::after  { left: 17rem; bottom: -13.5rem; }

    .diamond-outline {
        width: 24rem;
        height: 24rem;
        border-width: 2px;
        opacity: .58;
    }

    .do1 { left: 5.5rem; top: -3.5rem; }
    .do2 { left: 30rem; top: 15rem; }
    .do3 { display: block; left: 10rem; top: 35rem; }

    .pc1 { left: 3rem;  top: 2rem;  width: 20rem; height: 20rem; }
    .pc2 { left: 30rem; top: 7rem;  width: 22rem; height: 22rem; }
    .pc3 { left: 12rem; top: 23rem; width: 22rem; height: 22rem; }
    .pc4 { left: 34rem; top: 38rem; width: 20rem; height: 20rem; }
}

@media (max-width: 520px) {
    .hero-kicker {
        max-width: 92%;
        font-size: clamp(.86rem, 4.4vw, 1.05rem);
        letter-spacing: .1em;
    }

    .hero-text h1 { font-size: clamp(1.05rem, 5.5vw, 1.35rem); }

    .hero-photos {
        left: -5rem;
        top: 41%;
        width: 48rem;
        height: 40rem;
    }
    .hero-photos::before,
    .hero-photos::after { width: 11rem; height:11rem; }

    .hero-photos::before { left: 18rem; top: -4.25rem; }
    .hero-photos::after  { left: 8rem; bottom: -3rem; }

    .diamond-outline {
        width: 20rem;
        height: 20rem;
        opacity: .48;
    }

    .do1 { left: 2rem; top: -3rem; }
    .do2 { left: 26rem; top: 12.5rem; }
    .do3 { display: block; left: 6.5rem; top: 29rem; }

    .pc1 { left: 4rem; top: 0.25rem; width: 12.5rem; height: 12.5rem; }
    .pc2 { left: 17rem; top: 7rem; width: 14rem; height: 14rem; }
    .pc3 { left: 5rem; top: 18rem; width: 14rem; height: 14rem; }
    .pc4 { left: 20rem; top: 26.5rem; width: 12rem; height: 12rem; }
}