:root {
  --bg: #050d18;
  --bg-2: #091423;
  --bg-3: #0d1d31;
  --panel: rgba(255, 255, 255, 0.04);
  --panel-strong: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(115, 220, 255, 0.2);
  --text: #f3f7fb;
  --text-soft: rgba(243, 247, 251, 0.72);
  --text-muted: rgba(243, 247, 251, 0.52);
  --accent: #73dcff;
  --accent-2: #9beaff;
  --container: 1440px;
  --shadow-sm: 0 10px 30px rgba(0, 0, 0, 0.18);
  --shadow-md: 0 20px 60px rgba(0, 0, 0, 0.24);
  --shadow-lg: 0 30px 90px rgba(0, 0, 0, 0.34);
  --header-height: 72px;
  --radius-lg: 28px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 14%, rgba(115, 220, 255, 0.16), transparent 0 24%),
    radial-gradient(circle at 88% 78%, rgba(115, 220, 255, 0.1), transparent 0 22%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 52%, var(--bg-3) 100%);
  overflow-x: hidden;
}

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

img {
  display: block;
  max-width: 100%;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.032) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(circle at center, black 44%, transparent 92%);
  pointer-events: none;
  z-index: 0;
}

.bg-grid::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(5, 13, 24, 0.06) 0%, rgba(5, 13, 24, 0.28) 100%);
}

.site-header,
.hero,
.site-footer,
.legal {
  position: relative;
  z-index: 1;
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
  background: rgba(6, 15, 27, 0.85);
  backdrop-filter: blur(14px);
  z-index: 100;
}

.site-header__inner {
  display: grid;
  grid-template-columns: 180px 1fr 140px;
  align-items: center;
  width: min(calc(100% - 48px), var(--container));
  margin: 0 auto;
}

.site-header__brand {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  transition: opacity 0.2s ease;
}

.site-header__brand:hover {
  opacity: 0.9;
}

.site-header__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.site-header__link {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--text-soft);
  transition:
    color 0.2s ease,
    background-color 0.2s ease,
    transform 0.2s ease;
}

.site-header__link:hover,
.site-header__link--active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.site-header__cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1;
  transition:
    transform 0.2s ease,
    background-color 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.site-header__cta:hover,
.button:hover {
  transform: translateY(-2px);
}

.site-header__cta,
.button--primary {
  color: #04101b;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  box-shadow:
    0 10px 25px rgba(115, 220, 255, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.hero {
  padding: calc(var(--header-height) + 64px) 0 56px;
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 500px);
  gap: 72px;
  align-items: center;
  min-height: calc(100vh - 190px);
}

.hero__content {
  max-width: 780px;
}

.hero__title {
  margin: 0;
  max-width: 11ch;
  font-size: clamp(3.3rem, 6vw, 6rem);
  line-height: 0.92;
  letter-spacing: -0.065em;
  font-weight: 800;
}

.hero__accent {
  color: var(--accent);
  text-shadow:
    0 0 18px rgba(115, 220, 255, 0.12),
    0 0 38px rgba(115, 220, 255, 0.1);
}

.hero__text {
  margin: 26px 0 0;
  max-width: 620px;
  color: var(--text-soft);
  font-size: 1.12rem;
  line-height: 1.78;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.button {
  border: 1px solid transparent;
}

.button--secondary {
  color: var(--text);
  border-color: var(--border);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.02));
}

.button--secondary:hover {
  border-color: var(--border-strong);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.028));
}

.hero__visual {
  display: flex;
  justify-content: flex-end;
}

.hero__visual-frame {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 460px;
  padding: 36px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 50% 38%, rgba(115, 220, 255, 0.08), transparent 38%),
    linear-gradient(180deg, rgba(6, 15, 27, 0.82), rgba(4, 12, 22, 0.74));
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-lg);
}

.hero__image {
  max-width: 320px;
  width: 100%;
  object-fit: contain;
  filter:
    drop-shadow(0 18px 32px rgba(0, 0, 0, 0.35)) drop-shadow(0 0 16px rgba(115, 220, 255, 0.14));
  animation: float-logo 5.8s ease-in-out infinite;
}

.site-footer {
  padding: 0 0 28px;
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}

.site-footer__copy {
  color: var(--text-muted);
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.site-footer__link {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--text-soft);
  transition:
    color 0.2s ease,
    background-color 0.2s ease,
    transform 0.2s ease;
}

.site-footer__link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-1px);
}

.legal {
  padding: calc(var(--header-height) + 64px) 0 56px;
}

.legal__inner {
  max-width: 860px;
  padding: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(6, 15, 27, 0.68);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}

.legal h1 {
  margin: 0 0 20px;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  letter-spacing: -0.05em;
  line-height: 1;
}

.legal h2 {
  margin: 28px 0 10px;
  font-size: 1.06rem;
}

.legal p {
  color: var(--text-soft);
  line-height: 1.75;
}

.legal a {
  color: var(--accent);
}

@keyframes float-logo {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

@media (max-width: 1100px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 42px;
    min-height: auto;
  }

  .hero__visual {
    justify-content: flex-start;
  }

  .hero__visual-frame {
    max-width: 520px;
  }
}

@media (max-width: 980px) {
  .site-header__inner {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .site-header__nav {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .site-footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .site-header__cta,
  .button {
    width: 100%;
  }

  .hero__visual-frame {
    min-height: 320px;
    padding: 26px;
  }

  .hero__image {
    max-width: 240px;
  }

  .legal__inner {
    padding: 24px;
  }
}