@font-face {
  font-family: 'Poppins';
  src: url('../fonts/Poppins-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Poppins';
  src: url('../fonts/Poppins-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Poppins';
  src: url('../fonts/Poppins-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Poppins';
  src: url('../fonts/Poppins-Black.woff2') format('woff2');
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --color-purple-black: #31062C;
  --color-white: #FFFFFF;

  --gradient-main: linear-gradient(1deg,rgba(54, 0, 74, 1) 0%, rgba(254, 121, 123, 1) 100%);
  --gradient-footer: linear-gradient(1deg,rgba(255, 0, 255, 1) 0%, rgba(254, 121, 123, 1) 100%);

  --font-family: 'Poppins', sans-serif;
}

body {
  font-family: var(--font-family);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

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

.container {
  width: 100%;
  max-width: 1440px;
  margin-inline: auto;
  padding-inline: clamp(0.625rem, -2.236rem + 12.207vw, 8.75rem);
}

.header {
  background-color: var(--color-purple-black);
}

.main {
  flex: 1 0 auto;
  padding-block: clamp(1.25rem, -0.511rem + 7.512vw, 6.25rem);
  background: var(--gradient-main, #36004A);
}

.footer {
  flex: 0 0 auto;
  background: var(--gradient-footer, #FF00FF);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: clamp(0.75rem, 0.662rem + 0.376vw, 1rem);
  padding-inline: clamp(1.625rem, -1.104rem + 11.643vw, 9.375rem);
}

.header__menu-list {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--color-purple-black);
  padding: 120px 46px 0 56px;
  display: flex;
  flex-direction: column;
  row-gap: 33px;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.4s ease-in-out, opacity 0.4s;
  z-index: 10;
}

.header__menu-list.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.header__menu-link {
  color: var(--color-white);
  font-weight: 400;
  font-size: 28px;
  line-height: 1;
}

.header__burger {
  background: none;
  border: none;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 0;
  position: relative;
  z-index: 20;
  width: 44px;
  height: 44px;
}

.header__burger-line {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--color-white);
  transition: transform 0.3s, opacity 0.3s;
}

.header__burger-line:not(:last-child) {
  margin-bottom: 6px;
}

.header__burger.active .header__burger-line:nth-child(2) {
  opacity: 0;
}

.header__burger.active .header__burger-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.header__burger.active .header__burger-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.main__title {
  font-weight: 700;
  font-size: clamp(1.875rem, 0.775rem + 4.695vw, 5rem);
  line-height: 1;
  text-transform: uppercase;
  color: var(--color-purple-black);
}

.main__title-accent {
  font-size: 62px;
}

.main__description {
  padding-top: clamp(1rem, -0.144rem + 4.883vw, 4.25rem);
  align-items: center;
}

.main__image {
  display: none;
}

.main__subtitle {
  font-weight: 400;
  font-size: clamp(0.875rem, 0.699rem + 0.751vw, 1.375rem);
  line-height: 1.3;
  color: var(--color-white);
}

.footer__inner {
  text-align: center;
  padding-block: clamp(1.625rem, 1.141rem + 2.066vw, 3rem);
  padding-inline: clamp(0.625rem, -2.236rem + 12.207vw, 8.75rem);
}

.footer__text {
  font-weight: 400;
  font-size: clamp(0.75rem, 0.706rem + 0.188vw, 0.875rem);
  line-height: 1.3;
  color: var(--color-white);
}

.footer__navigation {
  display: flex;
  flex-direction: column;
  padding-block: clamp(0.625rem, -0.255rem + 3.756vw, 3.125rem);
  row-gap: 15px;
}

.footer__list {
  display: flex;
  flex-direction: column;
  row-gap: 10px;
}

.footer__link {
  font-weight: 900;
  font-size: 20px;
  line-height: 1;
  text-transform: uppercase;
  color: var(--color-purple-black);
}

.footer__copyright {
  font-weight: 400;
  font-size: 14px;
  line-height: 1;
  color: var(--color-purple-black);
  white-space: nowrap;
}

.footer__copyright-link {
  color: currentColor;
}

@media (min-width: 768px) {
  .header__inner {
    justify-content: center;
    column-gap: clamp(1.25rem, -7.321rem + 17.857vw, 8.75rem);
  }

  .header__menu-list {
    position: static;
    width: auto;
    height: auto;
    background: none;
    padding: 0;
    column-gap: clamp(1.25rem, -7.321rem + 17.857vw, 8.75rem);
    flex-direction: row;

    transform: none;
    transition: none;
    opacity: 1;
    visibility: visible;
  }

  .header__menu-link {
    font-size: clamp(0.875rem, 0.446rem + 0.893vw, 1.25rem);
  }

  .header__burger {
    display: none;
  }

  .main__title-accent {
    font-size: inherit;
  }

  .main__description {
    display: flex;
    column-gap: clamp(2.125rem, -0.304rem + 5.06vw, 4.25rem);
  }

  .main__image {
    display: block;
  }

  .footer__text {
    line-height: 1.5;
  }

  .footer__navigation {
    flex-direction: row;
    justify-content: center;
    align-items: center;
    column-gap: clamp(1.563rem, -0.58rem + 4.464vw, 3.438rem);
  }
  
  .footer__list {
    flex-direction: row;
    column-gap: clamp(1.25rem, -5.904rem + 14.903vw, 7.5rem);
  }
}