:root {
  --color-bg: #020507;
  --color-bg-deep: #061018;
  --color-blue: #16345c;
  --color-cyan: #34c0d5;
  --color-text: #f7fbff;
  --color-blue2: #091d36;
  --color-cyan2: #153258;
  --site-header-height: 100px;
  --site-header-color: #002a39;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  min-height: 100%;
  overflow-x: hidden;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: Arial, Helvetica, sans-serif;
}

body.is-loading {
  overflow: hidden;
}

body.has-open-menu {
  overflow: hidden;
}

site-header {
  display: block;
}

.site-header {
  position: fixed;
  z-index: 1000;
  top: 0;
  right: 0;
  left: 0;
  height: var(--site-header-height);
  background: transparent;
  color: #ffffff;
  transition: color 180ms ease;
}

.site-header--dark {
  color: var(--site-header-color);
}

.site-header--light {
  color: #ffffff;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 100%;
  padding: 0 clamp(24px, 2.4vw, 40px) 0 20px;
}

.site-header__brand {
  display: inline-grid;
  flex: 0 0 auto;
  align-items: center;
  color: inherit;
}

.site-header__brand img {
  grid-area: 1 / 1;
  display: block;
  width: clamp(178px, 13vw, 210px);
  height: auto;
  transition: opacity 180ms ease;
}

.site-header__brand-logo--dark,
.site-header--dark .site-header__brand-logo--light {
  opacity: 0;
}

.site-header--dark .site-header__brand-logo--dark {
  opacity: 1;
}

.site-header__menu-brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  opacity: 0;
  pointer-events: none;
  text-decoration: none;
  transform: translateX(0);
}

.site-header__menu-brand img {
  display: block;
  width: min(210px, 58vw);
  height: auto;
}

.site-header__navigation {
  position: absolute;
  z-index: 2;
  inset: 0;
  display: none;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  width: 100%;
  height: 100dvh;
  min-height: 100vh;
  gap: clamp(44px, 8vh, 72px);
  padding: var(--site-header-height) 28px 44px;
  border: 0;
  background: var(--site-header-color);
  box-shadow: none;
  color: #ffffff;
  pointer-events: none;
  transform: translateX(100%);
  visibility: hidden;
  will-change: transform;
}

.site-header__navigation.is-active {
  display: flex;
  pointer-events: auto;
  visibility: visible;
}

.site-header__navigation.is-closing {
  cursor: wait;
}

.site-header__navigation ul {
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: clamp(12px, 2.2vh, 22px);
  width: min(100%, 440px);
  margin: 0;
  padding: 0;
  list-style: none;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
}

.site-header__navigation.is-interactive .site-header__menu-brand,
.site-header__navigation.is-interactive ul {
  pointer-events: auto;
}

.site-header__link {
  position: relative;
  display: block;
  padding: 10px 0;
  color: #ffffff;
  font-family: "Montserrat", Arial, sans-serif;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 400;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
}

.site-header__link::after {
  position: absolute;
  right: 0;
  bottom: 4px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  opacity: 0;
  transform: scaleX(0);
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.site-header__link:hover::after,
.site-header__link:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.site-header__brand:focus-visible,
.site-header__menu-brand:focus-visible,
.site-header__link:focus-visible,
.site-header__toggle:focus-visible {
  border-radius: 4px;
  outline: 2px solid currentColor;
  outline-offset: 4px;
}

.site-header__toggle {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  padding: 11px 9px;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  transition: color 180ms ease;
}

.site-header.menu-is-open .site-header__toggle {
  color: #ffffff;
}

.site-header__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition:
    opacity 180ms ease,
    transform 180ms ease;
}

.site-header__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.site-header__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.page-shell {
  min-height: 100vh;
  /* padding-top: var(--site-header-height); */
  background: var(--color-bg);
}

.animation-section {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 52%, rgba(16, 182, 208, 0.18), transparent 44%),
    linear-gradient(180deg, var(--color-cyan), var(--color-blue));
}

.animation-section2 {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 52%, rgba(16, 182, 208, 0.12), transparent 70%),
    linear-gradient(180deg, var(--color-cyan2), var(--color-blue2));
}

.animation-section canvas {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
}

.animation-section2 canvas {
  position: absolute;
  top: 0;
  left: 0;
  display: block;
}

.bubble-layer {
  position: fixed;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  pointer-events: none;
}

.bubble {
  position: absolute;
  bottom: -120px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  filter: blur(1px);
  animation-name: bubble-float;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  will-change: transform, opacity;
}

.faq-section {
  position: relative;
  z-index: 2;
  padding: 76px 24px 88px;
  background: #ffffff;
  color: #101d28;
}

faq-accordion {
  display: block;
}

.faq-section__inner {
  width: min(100%, 1120px);
  margin: 0 auto;
}

.faq-section__title {
  margin: 0 0 64px;
  color: #2f6485;
  font-family: "Montserrat", Arial, sans-serif;
  font-size: clamp(42px, 4vw, 54px);
  font-weight: 600;
  line-height: 1.1;
  text-align: center;
}

.faq-grid {
  display: grid;
  align-items: start;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
}

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

.faq-item {
  overflow: hidden;
  border-radius: 10px;
  background: #dcecf7;
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 20px;
  padding: 18px 20px;
  color: #0b1720;
  cursor: pointer;
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.35;
  list-style: none;
}

.faq-item__question::-webkit-details-marker {
  display: none;
}

.faq-item__question:hover {
  background: rgba(255, 255, 255, 0.18);
}

.faq-item__question:focus-visible {
  outline: 3px solid #2f6485;
  outline-offset: -3px;
}

.faq-item__icon {
  position: relative;
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
}

.faq-item__icon::before,
.faq-item__icon::after {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 2px;
  background: #1d2b35;
  content: "";
  transform: translate(-50%, -50%);
  transition: transform 180ms ease;
}

.faq-item__icon::before {
  width: 17px;
  height: 3px;
}

.faq-item__icon::after {
  width: 3px;
  height: 17px;
}

.faq-item[open] .faq-item__icon::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.faq-item__answer {
  border-top: 1px solid rgba(255, 255, 255, 0.85);
  padding: 18px 20px 30px;
}

.faq-item__answer p {
  margin: 0;
  color: #263746;
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 17px;
  font-weight: 400;
  line-height: 1.45;
}

.contact-section {
  min-height: 450px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 30px;
  background-color: #2C5E80;
}

.contact-section-inner {
  max-width: 650px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.contact-section h2 {
  text-align: center;
  line-height: 1;
  font-family: "Montserrat", Sans-serif;
  font-size: 52px;
  line-height: 52px;
  font-weight: 600;
  color: white;
  margin: 0 0 30px 0;
  padding: 0;
}

.contact-section p {
  text-align: center;
  font-family: "Montserrat", Sans-serif;
  font-size: 18px;
  font-weight: 400;
  color: white;
  margin: 0 0 30px 0;
}

.contact-section .contact-button {
  background-color: #246EA0;
  font-family: "Montserrat", Sans-serif;
  font-size: 16px;
  font-weight: 500;
  border-radius: 10px 10px 10px 10px;
  padding: 20px 20px 20px 20px;
  text-shadow: 0px 0px 10px rgba(0, 0, 0, 0.3);
  background-image: linear-gradient(139deg, #9E005D 0%, #FF0068 100%);
  color: white;
  text-decoration: none;
  transition: background-color 0.3s ease, transform 0.3s ease;
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
}

site-footer {
  display: block;
  background-color: #002A39;
}

.site-footer {
  min-height: 248px;
  color: rgba(205, 229, 242, 0.62);
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 48px), 1140px);
  min-height: 248px;
  margin: 0 auto;
  padding: 56px 0;
}

.site-footer__brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
}

.site-footer__brand img {
  display: block;
  width: 160px;
  height: auto;
}

.site-footer__navigation ul {
  display: flex;
  align-items: center;
  gap: 32px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer__link {
  display: block;
  padding: 10px 0;
  color: inherit;
  font-family: "Montserrat", Arial, sans-serif;
  font-size: 15px;
  font-weight: 400;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: color 180ms ease;
}

.site-footer__link:hover,
.site-footer__link:focus-visible {
  color: #ffffff;
}

.site-footer__brand:focus-visible,
.site-footer__link:focus-visible {
  border-radius: 4px;
  outline: 2px solid #ffffff;
  outline-offset: 4px;
}

@media (max-width: 767px) {
  :root {
    --site-header-height: 76px;
  }

  .site-header__inner {
    padding: 0 16px 0 20px;
  }

  .site-header__brand img {
    width: 160px;
  }

  .faq-section {
    padding: 54px 18px 64px;
  }

  .faq-section__title {
    margin-bottom: 40px;
    font-size: 36px;
  }

  .faq-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .faq-item__question {
    min-height: 62px;
    padding: 16px;
    font-size: 16px;
  }

  .faq-item__answer {
    padding: 16px 16px 24px;
  }

  .faq-item__answer p {
    font-size: 15px;
    line-height: 1.55;
  }

  .site-footer,
  .site-footer__inner {
    min-height: 280px;
  }

  .site-footer__inner {
    flex-direction: column;
    justify-content: center;
    gap: 34px;
    width: min(calc(100% - 40px), 480px);
    padding: 48px 0;
  }

  .site-footer__brand img {
    width: 170px;
  }

  .site-footer__navigation ul {
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px 24px;
  }

  .site-footer__link {
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .site-header,
  .site-header__brand-logo,
  .site-header__link::after,
  .site-header__navigation,
  .site-header__toggle span,
  .faq-item__icon::before,
  .faq-item__icon::after,
  .site-footer__link {
    transition: none;
  }
}

@keyframes bubble-float {
  0% {
    transform: translate3d(0, 0, 0);
    opacity: 0;
  }

  10% {
    opacity: 1;
  }

  25% {
    transform: translate3d(-12px, -25vh, 0);
  }

  50% {
    transform: translate3d(10px, -55vh, 0);
  }

  75% {
    transform: translate3d(-8px, -85vh, 0);
  }

  100% {
    transform: translate3d(14px, -120vh, 0);
    opacity: 0;
  }
}
