:root {
    --primary-color: hsl(194, 70%, 30%);
    --primary-medium-color: hsl(194, 15%, 88%);
    --primary-light-color: hsl(194, 70%, 95%);
    --accent-color: hsl(36, 35%, 14%);
    --accent-light-color: hsl(36, 35%, 43%);
    --column-width: 55em;
    --gap: 2em;
    --minimum-gap: 10px;
}

img.dark {
    display: none;
}

@media (prefers-color-scheme: dark) {
    :root {
        --primary-color: hsl(194, 70%, 80%);
        --primary-medium-color: hsl(194, 15%, 20%);
        --primary-light-color: hsl(194, 70%, 20%);
        --accent-color: hsl(36, 35%, 80%);
        --accent-light-color: hsl(36, 35%, 50%);
    }

    body {
        background-color: hsl(36, 35%, 5%);
        color: #dadada;
    }

    img.light {
        display: none;
    }

    img.dark {
        display: unset;
    }
}

@font-face {
    font-family: "Grand Hotel";
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url(/fonts/GrandHotel-Regular.ttf);
}

@font-face {
    font-family: "Lato";
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url(/fonts/Lato-Regular.ttf);
}

@font-face {
    font-family: "Prata";
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url(/fonts/Prata-Regular.ttf);
}

body {
    font-family: "Lato", sans-serif;
    font-size: 18px;
    margin: 0;

    display: flex;
    align-items: center;
    flex-direction: column;
}

/* Navigation ****************************************************************/
nav {
    background-color: var(--primary-light-color);
    width: 100%;
}

nav menu {
    display: flex;
    flex-wrap: wrap;
    gap: 1em var(--gap);
    justify-content: center;
    list-style-type: none;
    padding: 0 var(--minimum-gap);
}

nav a, nav a:visited {
    color: var(--accent-color);
    font-size: 120%;
    font-variant: small-caps;
    text-decoration: none;
    text-transform: lowercase;
}

nav:hover a {
    color: var(--accent-light-color);
}
nav:hover img {
    opacity: 50%;
}

nav:hover a:hover {
    color: var(--accent-color);
}
nav:hover img:hover {
    opacity: 100%;
}

/* Header ********************************************************************/
body > header {
    color: var(--primary-color);
    font-family: "Prata";
    margin-top: var(--gap);
    max-width: var(--column-width);
    padding: 0 var(--minimum-gap);
    text-align: center;
}

body > header.home h1 {
    display: none;
}

@media (width > 55em) { /* var(--column-width) */
    body > header.section h1 {
        display: inline-block;
        margin-left: var(--minimum-gap);
    }
}

figure.hero {
    margin: 0 0 var(--gap) 0;
    text-align: center;
    width: 100%;
}

figure.hero img {
    border: 8px solid var(--accent-color);
    box-sizing: border-box;
    max-width: min(95%, 50em);
}

figure.hero.borderless img {
    border: none;
}

figure.float {
    float: left;
}

.nospace {
    margin-top: 0;
}

/* Main content **************************************************************/
main {
    max-width: var(--column-width);
    padding: 0 var(--minimum-gap);
    text-wrap: pretty;
}

main.home {
    text-align: center;
}

main h2 {
    color: var(--primary-color);
    font-family: "Prata", serif;
}

body > footer {
    padding-top: var(--gap);
    text-align: center;
}

a, a:visited {
    color: var(--primary-color);
}

a:active, a:hover {
    color: var(--accent-color);
}

p strong {
    font-size: 125%;
}

/* Cards *********************************************************************/
.cards {
    display: flex;
    gap: var(--gap);
    justify-content: space-between;
    text-align: left;
}

@media (width <= 55em) { /* var(--column-width) */
    .cards {
        flex-direction: column;
    }
}

.cards section {
    background-color: var(--primary-medium-color);
    border-width: 10px 0;
    border-color: var(--primary-color);
    border-radius: 20px;
    border-style: solid;
    flex: 1;
    padding: var(--minimum-gap);
}

.cards section header {
    text-align: center;
}

.cards h3 {
    font-variant: small-caps;
    padding: 10px;
    margin: 0;
}

.cards section figure {
    margin: 0;
}

.cards section img {
    border: 4px solid var(--accent-color);
    box-sizing: border-box;
    max-height: 24em;
    max-width: min(88%, 20em);
}

.cards section footer {
    text-align: right;
}

/* Call to action links ******************************************************/
.cta-wrap {
    text-align: center;
}

.cards + .cta-wrap {
    margin-top: var(--gap);
}

a.cta {
    background-color: var(--primary-light-color);
    border: 5px solid var(--primary-color);
    border-radius: 20px;
    box-shadow: 0 0 5px 5px hsl(from var(--accent-color) h s l / 50%);
    color: var(--accent-color);
    display: inline-block;
    font-family: "Prata";
    font-size: 150%;
    padding: 15px;
    text-decoration: none;
}

a.cta:hover {
    border-color: var(--accent-color);
}