:root {
  --background-header: rgba(245, 244, 254, 0.8);
  --bg-color: rgba(245, 244, 254, 1);
  --border-pink: #f817b0;
  --dark-100: #18181a;
  --blue: #4934e4;
  --blue-hover: #6753f6;
  --blue-pressed: #3723b9;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-style: normal;
  background-color: #f5f4fe;
}

.header {
  background-color: var(--bg-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1001;
  position: sticky;
  top: 0;
}

.logo {
  margin-left: 5px;
  width: 120px;
  height: 48px;
  transition: 0.3s ease-out;
  border-radius: 8px;
  cursor: pointer;
}

.logo:focus-visible {
  outline: 3px solid var(--border-pink);
  outline-offset: -3px;
}

.buttons-section {
  display: flex;
  gap: 12px;
  margin-right: 5px;
  align-items: center;
}

.button {
  background: var(--bg-color);
  border: 1px solid var(--background-header);
  border-radius: 8px;
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: 0.3s ease-out;
}

.button:active {
  background-color: rgba(24, 24, 26, 0.2);
}

.button:focus-visible {
  outline: 3px solid var(--border-pink);
}

.side-menu {
  position: fixed;
  left: 0;
  width: 100%;
  height: 80%;
  background: var(--bg-color);
  box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  overflow-y: auto;
  border-radius: 0 0 8px 8px;
  overflow: hidden;
  top: 0;
  transform: translateY(-100%);
  transition: transform 0.3s ease;
  will-change: transform;
}

.side-menu.active {
  transform: translateY(0);
}

.side-menu-header {
  display: flex;
  background-color: var(--background-header);
  justify-content: space-between;
  align-items: center;
}

.side-menu__cover {
  height: 93%;
  padding: 0 16px;
}

.button-mail-container {
  width: 90vw;
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
}

.button-mail-container a {
  height: 40px;
  display: flex;
  align-items: center;
}

.button-mail-container img {
  height: 27px;
}

.side-menu__navigation {
  position: absolute;
  top: 45%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.side-menu-navigation-list {
  list-style: none;
  font-weight: 500;
  font-size: 36px;
  line-height: 38px;
  color: var(--dark-100);
  margin-bottom: 24px;
}

.side-menu-navigation-link {
  width: 90vw;
  height: 60px;
  margin-bottom: 8px;
  display: flex;
  flex-direction: column;
  line-height: 60px;
}

.side-menu-navigation-link:last-child {
  margin-bottom: 0;
}

.side-menu-navigation-link {
  text-decoration: none;
  color: var(--dark-100);
}

.side-menu-navigation-link:focus-visible {
  border-radius: 12px;
  outline: 3px solid var(--border-pink);
}

.mail-link {
  color: var(--dark-100);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.02em;
  display: flex;
  gap: 10px;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.mail-link:focus-visible {
  border-radius: 12px;
  outline: 3px solid var(--border-pink);
}

.side-menu-button {
  width: 100%;
  height: 48px;
  background-color: var(--blue);
  border-radius: 8px;
  border: 1px solid var(--blue);
  gap: 8px;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--bg-color);
  font-weight: 500;
  font-size: 18px;
  line-height: 1.5;
  letter-spacing: 0.36px;
  cursor: pointer;
  margin-top: 24px;
}

.side-menu-button:active {
  background-color: var(--blue-pressed);
  border-radius: 8px;
}

.side-menu-button:focus-visible {
  border-radius: 12px;
  outline: 3px solid var(--border-pink);
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  backdrop-filter: blur(5px);
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 999;
}

.overlay.active {
  opacity: 1;
  visibility: visible;
}

.hidden {
  display: none;
}

#line1,
#line2,
#line3 {
  transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out;
  transform-origin: 12px 12px;
}

.burger-menu.active #line1 {
  transform: rotate(45deg) scaleX(0.944) translateY(6px);
}

.burger-menu.active #line2 {
  opacity: 0;
}

.burger-menu.active #line3 {
  transform: rotate(-45deg) scaleX(0.944) translateY(-6px);
}

.burger-menu {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  -webkit-tap-highlight-color: transparent;
  color: var(--dark-100);
  outline: none;
}

.header__controls__navigation,
.lets-work-button {
  display: none;
}

.buttons-section {
  display: flex;
}

.hero-section {
  margin: 0 16px;
}

.main-img {
  width: 100vw;
  margin-left: -15px;
  margin-right: -10px;
  height: auto;
  object-fit: cover;
  object-position: center;
  background-color: var(--bg-color);
}

.title {
  font-weight: 700;
  font-size: 48px;
  line-height: 50px;
  color: #2e2c30;
  margin-top: 10vh;
  margin-bottom: 20px;
}

.accent-color {
  color: rgba(73, 52, 228, 1);
}

.sut-title {
  font-weight: 500;
  font-size: 18px;
  line-height: 1.3;
  color: rgba(24, 24, 26, 0.85);
  margin-bottom: 30px;
}

.consalt-button {
  margin-bottom: 60px;
}

.hero-layout {
  margin-top: -58px;
}

.benefits {
  margin-block-start: 180px;
  font-weight: 700;
  font-size: 32px;
  line-height: 36px;
  letter-spacing: 0.64px;
  text-transform: uppercase;
  color: var(--dark-100);
}

.advantages,
.services {
  display: flex;
  flex-direction: column;
  justify-self: center;
  align-self: center;
  list-style: none;
  width: 100%;
}

.advantages {
  margin-block-start: 24px;
}

.advantages__list-item {
  --text-opacity: 0.85;
  color: rgba(24, 24, 26, var(--text-opacity));
  gap: 10px;
  padding: 6px 0;
  display: flex;
  align-items: flex-start;
  font-weight: 500;
  font-size: 18px;
  line-height: 1.5;
  word-wrap: break-word;
  white-space: normal;
  max-width: 100%;
}

.advantages__list-item::before {
  content: "";
  display: inline-block;
  background-image: url("/images/arrow-forward-circle.svg");
  min-width: 24px;
  min-height: 24px;
  flex-shrink: 0;
  background-size: contain;
  background-repeat: no-repeat;
  color: var(--dark-100);
  margin-top: 2px;
}
.services {
  margin-block-start: 30px;
}
.services__list-item {
  border-bottom: 1px solid var(--dark-100);
  font-weight: 500;
  font-size: 18px;
  line-height: 1.5;
  padding: 12px 0;
  word-wrap: break-word;
  white-space: normal;
  max-width: 100%;
}

.services__list-item:first-child {
  border-top: 1px solid var(--dark-100);
}

@media (min-width: 766px) {
  .side-menu__navigation {
    text-align: center;
    top: 43%;
  }

  .mail-link {
    justify-content: center;
  }

  .side-menu-button {
    margin-top: 40px;
  }

  .button-mail-container {
    margin-bottom: 30px;
  }

  .side-menu-navigation-link:active {
    color: var(--dark-100);
    opacity: 0.8;
  }

  .mail-link:active {
    color: var(--dark-100);
    opacity: 0.8;
  }

  .logo {
    width: 150px;
    height: 60px;
  }

  .logo img {
    width: 100%;
    height: 100%;
  }

  .buttons-section {
    margin-right: 16px;
  }
}

@media (min-width: 1024px) {
  .header {
    background-color: var(--background-header);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
  }
  .header__controls {
    display: flex;
    gap: 10px;
    margin: 10px 16px 10px 0;
    align-items: center;
  }

  .header__controls__navigation {
    display: initial;
  }

  .logo {
    margin-left: 27px;
  }

  .desktop-navigation-list {
    display: flex;
    list-style: none;
    justify-content: center;
    align-items: center;
    gap: 4px;
  }

  .desktop-navigation-link {
    line-height: 24px;
    text-decoration: none;
    color: var(--dark-100);
    font-weight: 500;
    font-size: 18px;
    padding: 10px 16px;
  }

  .desktop-navigation-link:hover {
    text-decoration: underline;
    text-underline-offset: 6px;
    text-decoration-thickness: 2px;
  }

  .desktop-navigation-link:active {
    color: var(--dark-100);
    opacity: 0.8;
    text-decoration: underline;
    text-underline-offset: 6px;
    text-decoration-thickness: 2px;
    text-decoration-color: rgba(24, 24, 26, 0.8);
  }

  .desktop-navigation-link:focus-visible {
    outline: 3px solid var(--border-pink);
    outline-offset: 2px;
    border-radius: 8px;
  }

  .burger-menu {
    display: none;
  }

  .lets-work-button {
    height: 48px;
    font-weight: 500;
    font-size: 18px;
    background-color: transparent;
    border-radius: 8px;
    border: 2px solid var(--dark-100);
    gap: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--dark-100);
    padding: 12px 16px 12px 20px;
    line-height: 1.5;
    letter-spacing: 0.36px;
    cursor: pointer;
  }

  .lets-work-button:hover {
    background-color: rgba(24, 24, 26, 0.1);
  }

  .lets-work-button:active {
    background-color: rgba(24, 24, 26, 0.2);
    border: 2px solid rgba(24, 24, 26, 0.8);
  }

  .lets-work-button:focus-visible {
    outline: 3px solid var(--border-pink);
    outline-offset: 2px;
    border-radius: 12px;
  }

  .mode-switcher {
    background: transparent;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    width: 40px;
    height: 40px;
    transition: 0.3s ease-out;
  }

  .mode-switcher:hover {
    background-color: rgba(24, 24, 26, 0.1);
  }

  .mode-switcher:active {
    background-color: rgba(24, 24, 26, 0.2);
  }
}