@import url("https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300..800;1,300..800&display=swap");

:root {
  --black: #000000;
  --white: #ffffff;
  --gray: #202020;
  --background: linear-gradient(180deg, #000000 0%, #202020 100%);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Open Sans", serif;
}
html {
  scroll-behavior: smooth;

}
body {
  width: 100vw;
  height: 100vh;
  overflow-x: hidden;
  background-color: var(--white);

}

.container {
  width: 60%;
  max-width: 1150px;
  height: 100%;
  margin: 0 auto;
}

.btn {
  width: 204px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--white);
  border-radius: 10px;
  outline: none;
  color: var(--white);
  font-size: 16px;
  font-weight: 400;
  line-height: 21.79px;
  text-align: center;
  text-underline-position: from-font;
  text-decoration-skip-ink: none;
  cursor: pointer;
  transition: 0.15s ease-in-out;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn:hover {
  opacity: 0.85;
}

.btn:active {
  opacity: 0.7;
}

.header {
  width: 100%;
  height: 470px;
  background: var(--background);
}

.header_container {
  width: 77%;
  max-width: 1480px;
  height: 100%;
  margin: 0 auto;
}

.header__content {
  width: 100%;
  height: 100%;
  padding: 74px 0 27px;
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  gap: 33px;
}

.header__image-block img {
  max-width: 410px;
}

/* Style for the progress slider (audio progress bar) */
#progress {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  width: 100%;
  height: 5px;
  border-radius: 5px;
  background: linear-gradient(to right, #4caf50 0%, #4caf50 0%, #424242 0%, #424242 100%);
  /* Filled part is green, unfilled part is light grey */
}

#progress::-webkit-slider-runnable-track {
  height: 5px;
  background: transparent;
  /* Transparent because the background is defined in the main element */
  border-radius: 5px;
}

#progress::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 15px;
  height: 15px;
  background: #424242;
  border-radius: 50%;
  cursor: pointer;
}

#progress::-moz-range-track {
  height: 5px;
  background: transparent;
  border-radius: 5px;
}

#progress::-moz-range-thumb {
  width: 15px;
  height: 15px;
  background: #424242;
  border-radius: 50%;
  cursor: pointer;
}

/* Style for the volume slider */
#volume {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  width: 100%;
  height: 5px;
  border-radius: 5px;
  background: linear-gradient(to right, #ff9800 0%, #ff9800 0%, #424242 0%, #424242 100%);
  /* Filled part is orange, unfilled part is light grey */
}

#volume::-webkit-slider-runnable-track {
  height: 5px;
  background: transparent;
  border-radius: 5px;
}

#mute {
  background-color: transparent;
  border: 0;
}

#volume::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 15px;
  height: 15px;
  background: #424242;
  border-radius: 50%;
  cursor: pointer;
}

#volume::-moz-range-track {
  height: 5px;
  background: transparent;
  border-radius: 5px;
}

#volume::-moz-range-thumb {
  width: 15px;
  height: 15px;
  background: #424242;
  border-radius: 50%;
  cursor: pointer;
}

.header__audio-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.muteBlock {
  display: flex;
  gap: 4px;
}

.header__audio-block .title-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.header__audio-block .title-block h1 {
  color: var(--white);
  font-size: 26px;
  font-weight: 600;
  line-height: 35.41px;
  text-align: left;
  text-underline-position: from-font;
  text-decoration-skip-ink: none;
}

.header__audio-block .title-block span {
  color: var(--white);
  font-size: 20px;
  font-weight: 300;
  line-height: 27.24px;
  text-align: left;
  text-decoration-line: underline;
  text-decoration-style: solid;
  text-underline-position: from-font;
  text-decoration-skip-ink: auto;
}

.header__audio-block .audio-block {
  margin: 32px 0 28px;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 30px;
}

.header__audio-block .description-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.header__audio-block .description-block p {
  max-width: 476px;
  color: var(--white);
  font-size: 15px;
  font-weight: 400;
  line-height: 21px;
  text-align: left;
  text-underline-position: from-font;
  text-decoration-skip-ink: none;
}

.header__audio-block .description-block span {
  color: var(--white);
  font-size: 15px;
  font-weight: 300;
  line-height: 20.43px;
  text-align: left;
  text-decoration-line: underline;
  text-decoration-style: solid;
  text-underline-position: from-font;
  text-decoration-skip-ink: none;
  cursor: pointer;
}

.header__audio-block .status-block {
  display: flex;
  align-items: center;
  gap: 50px;
  margin-top: 24px;
}

.header__audio-block .status-block .date {
  display: flex;
  align-items: center;
  gap: 6px;
}

.header__audio-block .status-block .date span {
  color: var(--white);
  font-size: 12px;
  font-weight: 400;
  line-height: 16.34px;
  text-align: left;
  text-underline-position: from-font;
  text-decoration-skip-ink: none;
}

.header__audio-block .status-block .heard-count {
  display: flex;
  align-items: center;
  gap: 4px;
}

.header__audio-block .status-block .heard-count .count {
  color: var(--white);
  font-size: 12px;
  font-weight: 400;
  line-height: 16.34px;
  text-align: left;
  text-underline-position: from-font;
  text-decoration-skip-ink: none;
}

.karaoke__section {
  width: 100%;
  height: auto;
  background-color: var(--white);
}

.karaoke__section__content {
  width: 100%;
  height: 100%;
  padding: 120px 0;
  max-width: 785px;
}

.karaoke__section__content .title {
  color: var(--black);
  font-size: 20px;
  font-weight: 600;
  line-height: 30px;
  text-align: left;
  text-underline-position: from-font;
  text-decoration-skip-ink: none;
}

.karaoke__section__content .song p {
  color: var(--black);
  font-size: 19px;
  font-weight: 500;
  line-height: 30px;
  text-align: left;
  text-underline-position: from-font;
  text-decoration-skip-ink: none;
}

.karaoke__section__content .song h4,
.karaoke__section__content .song p {
  padding-top: 40px;
}

.karaoke__section__content .song p span {
  font-weight: 600;
}

.about__section {
  width: 100%;
  height: auto;
  background: var(--background);
}

.about__section__content {
  width: 100%;
  max-width: 785px;
  height: 100%;
  display: flex;
  flex-direction: column;
  text-align: left;
  padding: 70px 0 60px;
}

.about__section__content * {
  color: var(--white);
}

.about__section__content h2 {
    font-size: 28px;
    font-weight: 400;
    line-height: 120%;
    text-align: left;
    text-underline-position: from-font;
    text-decoration-skip-ink: none;
	margin:28px 0;
}

.about__section__content h3 {
	font-size: 20px;
    font-weight: 400;
    line-height: 120%;
    text-align: left;
    text-underline-position: from-font;
    text-decoration-skip-ink: none;
    margin: 12px 0 24px;
}

.about__section__content h4 {
	font-size: 16px;
    font-weight: 400;
    line-height: 120%;
    text-align: left;
    text-underline-position: from-font;
    text-decoration-skip-ink: none;
    margin: 4px 0 12px;
}

.about__section__content p {
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  text-align: left;
  text-underline-position: from-font;
  text-decoration-skip-ink: none;
  margin-bottom: 20px;
}
.about__section__content ul {
	margin: 8px 0 0 24px;
}
	.about__section__content ul li {
		margin-bottom:8px;
	}
	
.about__section__content iframe {
	margin:0 0 28px;
	max-width: 100%;
}
.about__section__content img {
  margin-top: 72px;
  width: 536px;
}

.about__section__content a {
  margin-top: 50px;
}

.audio-container {
  display: flex;
  align-items: center;
  padding: 10px;
  background-color: transparent;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

.play-button {
  background-color: transparent;
  color: white;
  border: 2px solid #424242;
  padding: 10px;
  cursor: pointer;
  border-radius: 50%;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 15px;
  font-size: 12px;
}

#current-time,
#duration {
  color: var(--white);
  font-size: 14px;
  font-weight: 400;
  line-height: 19.07px;
  text-align: left;
  text-underline-position: from-font;
  text-decoration-skip-ink: none;
  font-size: 16px;
  margin: 0 10px;
}

#progress {
  width: 333px;
  margin-right: 15px;
  height: 4px;
  outline: none;
}

#volume {
  width: 64px;
  height: 4px;
  outline: none;
  margin-top: 8px;
}

input[type="range"]::-webkit-slider-runnable-track {
  background: #424242;
  height: 4px;
  border-radius: 3px;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  opacity: 0;
}

input[type="range"]::-moz-range-track {
  background: #fff;
  height: 10px;
  border-radius: 5px;
}

input[type="range"]::-webkit-slider-progress {
  background: #fff;
  height: 4px;
  border-radius: 3px;
}

input[type="range"]::-moz-range-progress {
  background: #fff;
  height: 10px;
  border-radius: 5px;
}


.thirdSection {
    background-color: #202020;
    padding: 100px 0 100px 0;
}

.accordion {
    max-width: 1000px;
}

.title-paragraph {
    text-align: center;
    padding: 115px 112px 59px 112px;
    font-size: 20px;
    color: #979797;
}

.accordion-item {
    margin: 10px 0;
    overflow: hidden;
}

.accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
	text-align:left;
    background-color: #ffffff;
    color: #171717;
    cursor: pointer;
    padding: 15px 30px;
    font-size: 18px;
    border: none;
    width: 100%;
    outline: none;
    transition: background-color 0.3s;
}
.accordion-header span:first-child {
	margin-right:30px;
}

.accordion-header:hover {
    background-color: #171717;
    color: #ffffff;
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background-color: #fff;
    padding: 0 30px;
}

.accordion-content p {
    margin: 15px 0;
	font-family: Ubuntu, sans-serif;
    line-height: 140%;
}
.accordion-content ul {
	list-style: disc;
}
.accordion-content ol {
}
.accordion-content li {
    margin: 16px 0 16px 20px;
	font-family: Ubuntu, sans-serif;
    line-height: 140%;
	list-style: disc;

}

.icon {
    font-size: 30px;
    font-weight: bold;
    transition: transform 0.3s;
}

.accordion-item.active .icon {
    transform: rotate(180deg);
}

.thirdTitle {
    width: 987px;
    margin: auto;
    text-align: center;
}

.thirdTitle p {
    font-family: Ubuntu, sans-serif;
    line-height: 140%;
    font-size: 20px;
    color: #979797;
    margin-bottom: 50px;
}


.LinksBlock {
	margin: 100px 0 0;
	color:#ffffff;
}
.LinksBlock h2 {
	font-size: 28px;
    font-weight: 400;
    line-height: 120%;
    text-align: left;
    text-underline-position: from-font;
    text-decoration-skip-ink: none;
    margin: 28px 0;
}
.LinksBlock p {
	font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    text-align: left;
    text-underline-position: from-font;
    text-decoration-skip-ink: none;
    margin-bottom: 20px;	
}
.LinksBlock a {
    color: #ffffff;
}