:root {
  --bg: #070913;
  --surface: rgba(18, 23, 45, 0.78);
  --surface-strong: #11162b;
  --text: #f4f7ff;
  --muted: #aeb8d3;
  --cyan: #45e9ff;
  --blue: #6575ff;
  --purple: #b76cff;
  --line: rgba(128, 150, 255, 0.2);
  --success: #68f2bc;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 85% -10%, rgba(101, 117, 255, 0.25), transparent 34rem),
    radial-gradient(circle at 5% 30%, rgba(69, 233, 255, 0.12), transparent 30rem),
    var(--bg);
  font: 16px/1.65 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: inherit;
}

.shell {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(7, 9, 19, 0.86);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.nav-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-size: 1.18rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  box-shadow: 0 0 30px rgba(69, 233, 255, 0.26);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.94rem;
  font-weight: 650;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--cyan);
}

.hero {
  min-height: calc(100vh - 76px);
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  align-items: center;
  gap: 64px;
  padding-block: 84px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 12px;
  margin: 0 0 22px;
  border: 1px solid rgba(69, 233, 255, 0.25);
  border-radius: 999px;
  color: var(--cyan);
  background: rgba(69, 233, 255, 0.06);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 14px var(--success);
}

h1,
h2,
h3 {
  line-height: 1.12;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(3.3rem, 7vw, 6.4rem);
}

.gradient-text {
  color: transparent;
  background: linear-gradient(112deg, var(--cyan), #9faaff 50%, var(--purple));
  background-clip: text;
  -webkit-background-clip: text;
}

.lead {
  max-width: 650px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.035);
  text-decoration: none;
  font-weight: 800;
}

.button.primary {
  color: #070913;
  border-color: transparent;
  background: linear-gradient(110deg, var(--cyan), #8f94ff);
  box-shadow: 0 14px 38px rgba(69, 233, 255, 0.18);
}

.button:hover {
  transform: translateY(-1px);
}

.product-card {
  position: relative;
  padding: 30px;
  border: 1px solid rgba(121, 143, 255, 0.24);
  border-radius: 30px;
  background:
    linear-gradient(145deg, rgba(26, 34, 68, 0.96), rgba(11, 15, 33, 0.94));
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}

.product-card::after {
  content: "";
  position: absolute;
  width: 210px;
  height: 210px;
  right: -90px;
  top: -90px;
  border-radius: 50%;
  background: rgba(183, 108, 255, 0.18);
  filter: blur(30px);
}

.product-top {
  display: flex;
  align-items: center;
  gap: 18px;
}

.product-top img {
  width: 76px;
  height: 76px;
  border-radius: 20px;
}

.product-top h2 {
  margin: 0 0 4px;
  font-size: 1.75rem;
}

.product-top p {
  margin: 0;
  color: var(--muted);
}

.wave {
  height: 130px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin: 26px 0;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(4, 7, 18, 0.56);
}

.wave i {
  display: block;
  width: 6px;
  height: var(--h);
  border-radius: 999px;
  background: linear-gradient(var(--cyan), var(--purple));
  box-shadow: 0 0 14px rgba(69, 233, 255, 0.22);
}

.status {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
  font-size: 0.9rem;
}

.status strong {
  color: var(--success);
}

.section {
  padding: 90px 0;
}

.section.muted {
  border-block: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.018);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 38px;
}

.section-heading h2,
.page-header h1 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 4rem);
}

.section-heading p,
.page-header p {
  color: var(--muted);
  font-size: 1.08rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card {
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
}

.card h3 {
  margin: 0 0 12px;
  font-size: 1.16rem;
}

.card p,
.card li {
  color: var(--muted);
}

.card p:last-child {
  margin-bottom: 0;
}

.number {
  display: inline-grid;
  width: 38px;
  height: 38px;
  margin-bottom: 18px;
  place-items: center;
  border-radius: 11px;
  color: #070913;
  background: linear-gradient(135deg, var(--cyan), #9faaff);
  font-weight: 900;
}

.page-header {
  max-width: 820px;
  padding: 90px 0 48px;
}

.content {
  max-width: 880px;
  padding-bottom: 90px;
}

.content section {
  padding: 26px 0;
  border-top: 1px solid var(--line);
}

.content h2 {
  margin: 0 0 14px;
  font-size: 1.45rem;
}

.content p,
.content li {
  color: var(--muted);
}

.content strong {
  color: var(--text);
}

.notice {
  padding: 18px 20px;
  border: 1px solid rgba(69, 233, 255, 0.28);
  border-radius: 16px;
  color: #d9fbff;
  background: rgba(69, 233, 255, 0.07);
}

.contact-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px;
  border: 1px solid rgba(69, 233, 255, 0.24);
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(69, 233, 255, 0.08), rgba(183, 108, 255, 0.08));
}

.contact-card h2,
.contact-card p {
  margin: 0;
}

.contact-card p {
  margin-top: 8px;
}

.footer {
  padding: 34px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.footer a {
  color: var(--muted);
  text-decoration: none;
}

.footer-links {
  display: flex;
  gap: 18px;
}

@media (max-width: 820px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 44px;
    padding-block: 64px;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .nav-links a:first-child {
    display: none;
  }

  .contact-card,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .shell {
    width: min(100% - 28px, 1120px);
  }

  .nav-inner {
    min-height: 68px;
  }

  .nav-links {
    gap: 14px;
  }

  .nav-links a {
    font-size: 0.84rem;
  }

  h1 {
    font-size: 3rem;
  }

  .product-card {
    padding: 22px;
  }

  .status {
    flex-direction: column;
    gap: 5px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .button {
    transition: transform 160ms ease, box-shadow 160ms ease;
  }

  .wave i {
    animation: pulse 1.35s ease-in-out infinite alternate;
    animation-delay: calc(var(--n) * -90ms);
  }

  @keyframes pulse {
    to {
      transform: scaleY(0.45);
      opacity: 0.64;
    }
  }
}
