:root {
  --bg: #0b0f19;
  --bg-raised: #121826;
  --line: rgba(0, 242, 254, 0.18);
  --text: #f4f7fb;
  --muted: #9aa6bd;
  --accent: #00f2fe;
  --header: 4.5rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  padding-top: var(--header);
  font-family: Outfit, "Segoe UI", sans-serif;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(720px 360px at 85% 0%, rgba(0, 242, 254, 0.16), transparent 62%),
    radial-gradient(540px 280px at 0% 18%, rgba(0, 242, 254, 0.07), transparent 58%),
    linear-gradient(rgba(0, 242, 254, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 242, 254, 0.035) 1px, transparent 1px),
    var(--bg);
  background-size: auto, auto, 72px 72px, 72px 72px, auto;
  background-attachment: fixed;
}

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

h1,
h2,
h3 {
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin: 0;
}

p {
  margin: 0;
}

.wrap {
  width: min(1080px, calc(100% - 2rem));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  height: var(--header);
  background: rgba(11, 15, 25, 0.82);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(16px);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.header-bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header);
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  min-height: 2.75rem;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border: 1px solid var(--accent);
  border-radius: 0.55rem;
  color: #041014;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: var(--accent);
  box-shadow: 0 0 18px rgba(0, 242, 254, 0.45);
}

.logo-text {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  font-weight: 500;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--accent);
}

.nav-cta {
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  color: var(--accent);
}

.nav-cta:hover,
.nav-cta:focus-visible {
  color: #041014;
  background: var(--accent);
}

.nav-toggle {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.nav-burger {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  cursor: pointer;
}

.nav-burger span:not(.sr-only) {
  display: block;
  width: 1.1rem;
  height: 2px;
  background: var(--text);
}

.hero {
  position: relative;
  padding: 5.5rem 0 4.75rem;
}

.hero-inner {
  max-width: 42rem;
}

.kicker {
  margin-bottom: 0.9rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(3.1rem, 8vw, 5.6rem);
  text-shadow: 0 0 28px rgba(0, 242, 254, 0.28);
}

.lead {
  margin-top: 1.2rem;
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.15rem;
  font-weight: 400;
}

.btn {
  display: inline-flex;
  align-items: center;
  min-height: 2.9rem;
  margin-top: 1.8rem;
  padding: 0.75rem 1.35rem;
  border-radius: 999px;
  color: #041014;
  font-weight: 700;
  background: var(--accent);
  box-shadow: 0 0 28px rgba(0, 242, 254, 0.4);
}

.btn:hover,
.btn:focus-visible {
  filter: brightness(1.08);
  outline: none;
}

.section {
  padding: 1rem 0 4.5rem;
}

.section-head {
  margin-bottom: 1.5rem;
}

.section-head h2,
.about h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
}

.section-head p {
  margin-top: 0.55rem;
  color: var(--muted);
}

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

.card {
  position: relative;
  padding: 1.45rem 1.35rem 1.55rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 1.15rem;
  background:
    linear-gradient(180deg, rgba(0, 242, 254, 0.08), transparent 42%),
    var(--bg-raised);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 1.2rem;
  width: 3.2rem;
  height: 2px;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}

.card:hover {
  border-color: rgba(0, 242, 254, 0.55);
  transform: translateY(-3px);
}

.hit {
  background:
    linear-gradient(135deg, rgba(0, 242, 254, 0.14), transparent 28%),
    repeating-linear-gradient(
      -18deg,
      transparent,
      transparent 10px,
      rgba(0, 242, 254, 0.035) 10px,
      rgba(0, 242, 254, 0.035) 11px
    ),
    var(--bg-raised);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

.hit .card-tag {
  font-weight: 700;
  text-shadow: 0 0 12px rgba(0, 242, 254, 0.55);
}

.hit:hover {
  box-shadow: 0 0 28px rgba(0, 242, 254, 0.16), 0 18px 40px rgba(0, 0, 0, 0.28);
}

.card-tag {
  margin-bottom: 0.9rem;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.card h3 {
  margin-bottom: 0.65rem;
  font-size: 1.45rem;
}

.card p:last-child {
  color: var(--muted);
}

.about {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 2rem;
  align-items: start;
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background:
    linear-gradient(125deg, rgba(0, 242, 254, 0.1), transparent 38%),
    var(--bg-raised);
}

.about-copy {
  display: grid;
  gap: 0.9rem;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.45rem 0 1.9rem;
  color: var(--muted);
  font-size: 0.95rem;
}

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

@media (max-width: 800px) {
  .cards,
  .about {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 3.2rem 0 2.8rem;
  }
}

@media (max-width: 680px) {
  :root {
    --header: 4.25rem;
  }

  .nav-burger {
    display: grid;
  }

  .nav {
    position: absolute;
    top: calc(100% + 0.45rem);
    right: 0;
    display: none;
    min-width: min(16rem, calc(100vw - 2rem));
    padding: 0.7rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.2rem;
    border: 1px solid var(--line);
    border-radius: 1rem;
    background: rgba(11, 15, 25, 0.96);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
  }

  .nav a {
    padding: 0.75rem 0.8rem;
    border-radius: 0.7rem;
  }

  .nav-cta {
    text-align: center;
  }

  .nav-toggle:checked ~ .nav {
    display: flex;
  }

  .nav-toggle:checked + .nav-burger {
    border-color: var(--accent);
  }

  .lead {
    font-size: 1.05rem;
  }

  .about,
  .card {
    padding: 1.2rem;
  }
}

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

  .card {
    transition: none;
  }
}