html {
	box-sizing: border-box;
}

*,
*::before,
*::after {
	box-sizing: inherit;
}

a {
	color: inherit;
	text-decoration: none;
}

button {
	padding: 0;
	border: none;
	background-color: transparent;
	cursor: pointer;
}

ul {
	list-style: none;
}

body {
	font-family: 'Inter', sans-serif;
	color: #000;
	font-size: 16px;
	font-weight: 500;
	line-height: 1.2;
}

.container {
	max-width: 1220px;
	padding: 0 10px;
	margin: 0 auto;
}

.main__title {
	font-size: 64px;
	font-weight: 700;
	margin-bottom: 20px;
}

/* ! ==================== header ==================== */

.content-item {
	display: none;
}

.content-item.content-item__active {
	display: inline-block;
}

.header {
	min-height: 100vh;
	position: relative;
}

.header__top {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 40px 0;
}

.menu__list {
	display: flex;
	align-items: center;
	gap: 0 40px;
	font-weight: 700;
}

.menu__btn {
	padding: 15px 58px;
	border-radius: 30px;
	background-color: #000;
	font-weight: 700;
	text-transform: uppercase;
	color: #fff;
}

.header__content-images {
	text-align: center;
	padding-bottom: 50px;
}

.header__content-images::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	width: 100%;
	z-index: -2;
}

.header__content-images:has(.color--blue.content-item__active)::before {
	background: linear-gradient(180deg, #CADBEB 0%, rgba(235, 235, 235, 0.00) 100%);
}

.header__content-images:has(.color--red.content-item__active)::before {
	background: linear-gradient(180deg, #F3D6D1 0%, rgba(235, 235, 235, 0.00) 100%);
}

.header__content-images:has(.color--green.content-item__active)::before {
	background: linear-gradient(180deg, #DDEAD9 0%, rgba(235, 235, 235, 0.00) 100%);
}

.header__content-images:has(.color--white.content-item__active)::before {
	background: linear-gradient(180deg, #FAFAFA 0%, rgba(235, 235, 235, 0.00) 100%);
}

.header__content-images:has(.color--black.content-item__active)::before {
	background: linear-gradient(180deg, #B6B6B6 0%, rgba(235, 235, 235, 0.00) 100%);
}

.title {
	font-size: 210px;
	font-weight: 700;
	position: absolute;
	padding-top: 110px;
}

.title--pod {
	position: relative;
	z-index: -1;
}

.title--s {
	display: inline-block;
	transform: translateY(60px);
}

.title--m {
	display: inline-block;
	transform: translate(-57px, 275px);
}

.title--ax {
	display: inline-block;
	transform: translate(-128px, 413px);
	position: relative;
	z-index: -1;
}

/* ! ==================== main ==================== */
/* ---------- choose-color ---------- */

.choose-color {
	padding: 45px 0 180px;
	text-align: center;
}

.choose-color__title {
	font-size: 36px;
	font-weight: 700;
	max-width: 555px;
	margin: 0 auto 20px;
}

.choose-color__text {
	max-width: 555px;
	margin: 0 auto 80px;
}

.choose-color__list {
	display: flex;
	flex-wrap: wrap;
	gap: 40px;
	justify-content: center;
}

.choose-color__btn {
	border-radius: 20px;
	border: 1px solid #777;
	padding: 50px 55px;
}

.choose-color__btn--active {
	display: none;
}

/* ---------- composition ---------- */

.composition {
	margin-bottom: 180px;
}

.composition__title {
	text-align: center;
}

.composition__text {
	text-align: center;
	max-width: 655px;
	margin: 0 auto 40px;
}

.composition__inner {
	max-width: 625px;
	margin: 0 auto;
	display: flex;
	justify-content: space-between;
}

.composition__inner-text {
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	gap: 15px;
}

.composition__inner-text p {
	width: 230px;
}

/* ---------- case ---------- */

.case {
	background-color: #fafafa;
	padding: 80px 0 100px;
	text-align: center;
}

.case__text {
	max-width: 825px;
	margin: 0 auto 40px;
}

/* ---------- energy ---------- */

.energy__title {
	padding-top: 160px;
	margin-bottom: 40px;
}

.energy__num {
	font-size: 210px;
	font-weight: 700;
	margin-bottom: 40px;
}

.energy__text {
	max-width: 400px;
	margin: 0 auto;
}

/* ---------- audio ---------- */

.audio {
	background-image: url(../images/audio-bg.jpg);
	background-repeat: no-repeat;
	background-position: top center;
	background-size: cover;
}

.audio__inner {
	min-height: 230vh;
	display: flex;
	justify-content: center;
	align-items: flex-end;
	padding-bottom: 30vh;
}

.audio__box {
	color: #fff;
	text-align: center;
}

.audio__text {
	width: 300px;
	margin-bottom: 10px;
}

.btn {
	text-transform: uppercase;
	font-weight: 700;
	color: #000;
	background-color: #fff;
	padding: 15px 58px;
	border-radius: 30px;
	margin-top: 25px;
}


/* ! ==================== footer ==================== */

.footer {
	padding: 50px 0 40px;
	background-color: #000;
	color: #fff;
	text-align: center;
	font-weight: 700;
}

.footer__text {
	padding: 20px 0;
}

.footer__list {
	padding-top: 80px;
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 0 20px;
}


/* ! ==================== MEDIA ==================== */

@media (max-width: 1468px) {

	/* ---------- heder ---------- */

	.title {
		font-size: 195px;
		padding-top: 135px;
	}

	.title--m {
		transform: translate(10px, 275px);
	}

	.title--ax {
		transform: translate(-45px, 413px);
	}
}

@media (max-width: 1278px) {

	/* ---------- heder ---------- */

	.title {
		font-size: 160px;
		padding-top: 135px;
	}

	.title--air {
		padding-left: 100px;
	}

	.title--m {
		transform: translate(65px, 290px);
	}

	.title--ax {
		transform: translate(35px, 415px);
	}
}

@media (max-width: 1200px) {

	/* ---------- heder ---------- */

	.header__top {
		padding: 10px 0;
	}

	.title--air {
		padding-left: 90px;
	}

	.title--ax {
		transform: translate(40px, 415px);
	}

	/* ---------- main ---------- */

	.main__title {
		font-size: 50px;
	}

	.energy__num {
		font-size: 155px;
	}

}

@media (max-width: 1190px) {

	/* ---------- heder ---------- */

	.title--air {
		padding-left: 75px;
	}

	.title--m {
		transform: translate(80px, 290px);
	}

	.title--ax {
		transform: translate(50px, 415px);
	}
}

@media (max-width: 1180px) {

	/* ---------- heder ---------- */

	.header {
		min-height: 50vh;
	}


	.title {
		font-size: 10vw;
		padding-top: 20px;
		width: 95%;
		text-align: center;
	}

	.title--air {
		padding-left: 0px;
	}

	.title--s {
		transform: translate(0, 0);
	}

	.title--m {
		transform: translate(0, 0);
		padding-left: 0.25em;
	}

	.title--ax {
		transform: translate(0, 0);
	}

	.header__content-images img {
		width: 80%;
		padding-top: 65px;
	}

	/* ---------- main ---------- */

	.main__title {
		font-size: 6vw;
	}

	.choose-color {
		padding: 5px 0 50px;
	}

	.composition__inner {
		flex-wrap: wrap;
		justify-content: center;
	}

	.composition__inner img {
		padding: 20px;
	}
}


@media (max-width: 768px) {

	/* ---------- heder ---------- */

	.menu__list {
		flex-wrap: wrap;
		justify-content: flex-end;
	}

	.menu__item:first-child {
		margin-left: auto;
	}

	.menu__item-btn {
		margin-left: auto;
	}

	.menu__item-btn button {
		width: 250px;
	}

	/* ---------- main ---------- */

	.composition {
		margin-bottom: 25px;
	}

	.energy__title {
		padding-top: 70px;
	}

	.energy__num {
		font-size: 120px;
	}

	.audio__inner {
		min-height: 100vh;
	}
}

@media (max-width: 420px) {
	.case img {
		width: 80%;
	}

	.choose-color__list {
		gap: 10px;
	}

	.choose-color__btn {
		padding: 10px;
		width: 45%;
	}

	.choose-color__btn img {
		width: 100%;
	}

	.footer__list {
		flex-wrap: wrap;
		gap: 15px;
	}
}