:root {
  --bg: #000000;
  --cyan: #56e3ea;
  --purple: #766bde;
  --purple-deep: #4f46a8;
  --text-muted: rgba(255, 255, 255, 0.72);
  --text-dim: rgba(255, 255, 255, 0.45);
  --font-display: "Orbitron", system-ui, sans-serif;
  --font-body: "Syne", system-ui, sans-serif;
  --radius-lg: 20px;
  --radius-md: 12px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text-muted);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.04;
  z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.hero,
main,
.footer {
  position: relative;
  z-index: 1;
}

.hero {
  padding: clamp(2.5rem, 8vw, 5rem) clamp(1.5rem, 5vw, 3rem) clamp(2rem, 5vw, 3.5rem);
  text-align: center;
  border-bottom: 1px solid rgba(86, 227, 234, 0.12);
  background: radial-gradient(
      ellipse 80% 50% at 50% -20%,
      rgba(118, 107, 222, 0.22),
      transparent 55%
    ),
    radial-gradient(
      ellipse 60% 40% at 50% 0%,
      rgba(86, 227, 234, 0.08),
      transparent 50%
    );
}

.logo-link {
  display: inline-block;
  line-height: 0;
  text-decoration: none;
}

.logo-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 6px;
  border-radius: 4px;
}

.logo {
  max-width: min(420px, 88vw);
  height: auto;
  display: block;
  margin: 0 auto 1.75rem;
  filter: drop-shadow(0 0 28px rgba(86, 227, 234, 0.15));
}

.tagline {
  margin: 0 auto;
  max-width: 36rem;
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  letter-spacing: 0.02em;
  color: var(--text-muted);
}

main {
  flex: 1;
  padding: clamp(2.5rem, 6vw, 4rem) clamp(1.5rem, 5vw, 3rem);
}

.product {
  max-width: min(56rem, 100%);
  margin: 0 auto;
  position: relative;
}

.product__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120%;
  height: 140%;
  transform: translate(-50%, -50%);
  background: radial-gradient(
    ellipse at center,
    rgba(118, 107, 222, 0.12) 0%,
    transparent 65%
  );
  pointer-events: none;
}

.section-title {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--purple);
  margin: 0 0 1.25rem;
  text-align: center;
}

.product-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 44%);
  gap: clamp(1.25rem, 3.5vw, 2.25rem);
  align-items: center;
  padding: clamp(1.75rem, 4vw, 2.25rem);
  border-radius: var(--radius-lg);
  background: linear-gradient(
      145deg,
      rgba(22, 22, 28, 0.95) 0%,
      rgba(10, 10, 14, 0.98) 100%
    );
  border: 1px solid rgba(118, 107, 222, 0.35);
  box-shadow: 0 0 0 1px rgba(86, 227, 234, 0.06) inset,
    0 24px 48px rgba(0, 0, 0, 0.45);
}

@media (max-width: 52rem) {
  .product-card {
    grid-template-columns: 1fr;
  }
}

.product-card__accent {
  position: absolute;
  top: 0;
  left: 1.5rem;
  right: 1.5rem;
  height: 3px;
  border-radius: 0 0 4px 4px;
  background: linear-gradient(90deg, var(--purple), var(--cyan));
  opacity: 0.9;
}

.product-card__body {
  min-width: 0;
}

.product-card__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 4vw, 1.875rem);
  letter-spacing: 0.06em;
  color: var(--cyan);
  margin: 0.5rem 0 0.75rem;
  text-shadow: 0 0 40px rgba(86, 227, 234, 0.25);
}

.product-card__desc {
  margin: 0 0 1.75rem;
  color: var(--text-muted);
  max-width: 36ch;
}

.product-card__media {
  min-width: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}

.product-card__mockup {
  width: 100%;
  max-width: 210px;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
  border: 1px solid rgba(86, 227, 234, 0.12);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35),
    0 0 0 1px rgba(118, 107, 222, 0.2) inset;
}

@media (max-width: 52rem) {
  .product-card__mockup {
    max-width: min(240px, 52.5vw);
    margin-inline: auto;
  }
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--bg);
  padding: 0.875rem 1.5rem;
  border-radius: var(--radius-md);
  background: linear-gradient(105deg, var(--cyan) 0%, #3ec4cc 50%, var(--purple) 100%);
  background-size: 200% 100%;
  background-position: 0% 50%;
  transition: background-position 0.35s ease, transform 0.2s ease,
    box-shadow 0.2s ease;
  box-shadow: 0 0 24px rgba(86, 227, 234, 0.25);
}

.cta:hover {
  background-position: 100% 50%;
  transform: translateY(-1px);
  box-shadow: 0 0 32px rgba(86, 227, 234, 0.35);
}

.cta:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.cta__arrow {
  transition: transform 0.2s ease;
}

.cta:hover .cta__arrow {
  transform: translateX(4px);
}

.footer {
  margin-top: auto;
  padding: 2rem clamp(1.5rem, 5vw, 3rem) 2.5rem;
  text-align: center;
  border-top: 1px solid rgba(118, 107, 222, 0.15);
}

.footer__legal {
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

.footer__legal a {
  color: var(--cyan);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease, text-shadow 0.2s ease;
}

.footer__legal a:hover {
  color: #7ef0f5;
  text-shadow: 0 0 20px rgba(86, 227, 234, 0.4);
}

.footer__legal a:focus-visible {
  outline: 2px solid var(--purple);
  outline-offset: 4px;
  border-radius: 2px;
}

.footer__contact {
  margin: 0;
  font-size: 1rem;
}

.footer__contact a {
  color: var(--cyan);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease, text-shadow 0.2s ease;
}

.footer__contact a:hover {
  color: #7ef0f5;
  text-shadow: 0 0 20px rgba(86, 227, 234, 0.4);
}

.footer__contact a:focus-visible {
  outline: 2px solid var(--purple);
  outline-offset: 4px;
  border-radius: 2px;
}