:root {
	--text-default: #000;
	--text-header: 	#FFF;
	--background-default: #1A2B1C;
	--background-wrapper: #FFF;
	--background-header: #153902;
	--background-footer:  #8E8E8E;

	font-size: 16px;
}

/* MOBILE FIRST STYLING */

h1, h2, h3, h4, body, blockquote, p, main, section, section, header, footer, img {
	margin: 0;
	padding: 0;
	font: inherit;
}

body {
	font-size: 100%;
	background-color: var(--background-default);
}

div.wrapper {
	width: 100%;
	background: var(--background-wrapper);
	color: var(--text-default);
	margin: 0 auto;
	font-family: Gill Sans, Gill Sans MT, Myriad Pro, DejaVu Sans Condensed, Helvetica, Arial, "sans-serif";
	font-size: 1em;
	line-height: 1.25em;
	min-width: 320px;
}

h1 {
	font-size: 2em;
	line-height: 1em;
	padding: 1em 8px;
}

h2 {
	font-size: 1.625em;
	line-height: 1.15384615em;
	padding: 0.33rem;
}

h3 {
	font-size: 1.375em;
	line-height: 1.13636364em;
	padding: 0.33rem;
}

h1,
h2,
h3 {
	margin: 0;
}

h4 {
	font-size: 1.125em;
	line-height: 1.11111111em;
	padding: 0.33rem;
}

blockquote {
	font-size: 1.25em;
	font-style: italic;
	font-family: Baskerville, Palatino Linotype, Palatino, Century Schoolbook L, Times New Roman, serif;
	line-height: 1.25em;
	margin: 0.33rem 20px;
}

p {
	font-size: 1em;
	line-height: 1.25em;
	padding: 0.33rem;
}

ul {
	margin-left: .75em;
}

.responsive-nav {
	order: -1;
	background-color: var(--background-header);
	text-align: left;
	position: sticky;
	top: 0;
	padding: 0.5em;
}

.responsive-nav .hamburger {
	font-size: 1.5em;
	color: var(--text-header);
	background-color: transparent;
	cursor: pointer;
	border: none;
}

.responsive-nav .nav-items {
	display: none;
	list-style: none;
	padding: 0;
	margin: 0;
}

.responsive-nav li {
	padding: 0.5em;
}

.responsive-nav a {
	text-decoration: none;
	color: var(--text-header);
}

header {
	order: 0;
	color: var(--text-header);
	background: url("../images/background-dew-on-grass.jpg") no-repeat;
	background-size: cover;
	background-position: center;
	background-color: var(--background-header);
}

section.gallery {
	text-align: center;
}

section.gallery img {
	width: 88%;
	height: auto;
	margin: 0.5em auto; 
}

section.gallery h2 {
	text-align: left;
	padding-bottom: 0;
}

footer {
	text-align: center;
	font-size: .75em;
	color: var(--background-footer);
}

.nav-items.open {
	display: block !important;
}

.images {
	display: grid;
	grid-template-columns: repeat(1, 1fr);
	gap: 1rem;
}

.tours {
	display: flex;
	flex-wrap: wrap;
	flex-direction: column;
}

.participants {
	display: flex;
	flex-wrap: wrap;
	flex-direction: column;
}

.equipment {
	display: flex;
	flex-wrap: wrap;
	flex-direction: column;
}

.home {
	display: flex;
	flex-direction: column;
}

article .section-content {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1rem;
}

.testimonials .quotes {
	display: grid;
	grid-template-columns: 1fr;
	gap: 0.5em;
}



/* ADD STYLING BELOW FOR MEDIUM LAYOUT */

/* TABLET STYLING */
@media screen and (min-width: 600px) {
	.images {
		grid-template-columns: repeat(2, 1fr)
	}

	:root {
		font-size: 20px;
	}

	article .section-content {
		grid-template-columns: repeat(2, 1fr);
	}

	.testimonials .quotes {
		grid-template-columns: repeat(2, 1fr);
	}

	.home {
		flex-direction: column;
	}

	header {
		order: -1;
	}

	.responsive-nav {
		order: 0;
	}
}

/* DESKTOP STYLING */
@media screen and (min-width: 900px) {
	.images {
		grid-template-columns: repeat(3, 1fr)
	}

	:root {
		font-size: 24px;
	}

	article .section-content {
		grid-template-columns: repeat(3, 1fr);
	}

	.testimonials .quotes {
		grid-template-columns: repeat(3, 1fr);
	}

	.hamburger {
		display: none;
	}

	.responsive-nav .nav-items {
		display: flex;
	}

	.responsive-nav li:hover {
		background-color: olivedrab;
	}

	.tours
	.participants, 
    .equipment {
		width: 100%;
		flex-direction: row;
	}

	header {
		order: -1;
	}

	.responsive-nav {
		order: 0;
	}

	.nav-items,
	.nav-items.open {
		display: flex !important;
		flex-direction: row;
		max-height: none;
		overflow: visible;
	}
}