:root {
  --ink: #06101c;
  --ink-2: #091b2e;
  --panel: rgba(8, 22, 38, 0.74);
  --panel-strong: rgba(7, 16, 28, 0.92);
  --text: #f6fbff;
  --muted: #b8c9da;
  --line: rgba(150, 203, 255, 0.22);
  --line-strong: rgba(60, 214, 255, 0.52);
  --cyan: #27d9ff;
  --mint: #58f0d2;
  --violet: #ad82ff;
  --magenta: #da4dba;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
  letter-spacing: 0;
}

html {
  min-height: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  overflow-x: hidden;
  background: var(--ink);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

img,
canvas {
  max-width: 100%;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 20;
  transform: translateY(-140%);
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--panel-strong);
  color: var(--text);
  padding: 10px 14px;
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.home {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  padding: 22px 48px 52px;
  background:
    radial-gradient(circle at 58% 38%, rgba(39, 217, 255, 0.16), transparent 24rem),
    radial-gradient(circle at 90% 28%, rgba(218, 77, 186, 0.22), transparent 28rem),
    linear-gradient(115deg, #050b14 0%, #081929 54%, #16081d 100%);
}

.signal-canvas,
.grid-overlay {
  position: absolute;
  inset: 0;
}

.signal-canvas {
  width: 100%;
  height: 100%;
}

.grid-overlay {
  background-image:
    linear-gradient(rgba(246, 251, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(246, 251, 255, 0.07) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.96), rgba(0, 0, 0, 0.32));
}

.topbar,
.hero,
.tool-grid {
  position: relative;
  z-index: 1;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  gap: 12px;
  text-decoration: none;
}

.brand img {
  width: 52px;
  height: 52px;
  border: 1px solid rgba(39, 217, 255, 0.45);
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 12px 26px rgba(39, 217, 255, 0.14);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1.02rem;
  font-weight: 860;
}

.brand small {
  color: var(--mint);
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 9px 12px;
  color: rgba(246, 251, 255, 0.8);
  font-size: 0.92rem;
  font-weight: 800;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  border-color: var(--line);
  background: rgba(246, 251, 255, 0.08);
  color: var(--text);
  outline: 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  gap: 44px;
  align-items: center;
  min-height: 48svh;
  padding: 80px 0 44px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--mint);
  font-size: 0.8rem;
  font-weight: 850;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 820px;
  color: var(--text);
  font-size: clamp(4.4rem, 9vw, 8.5rem);
  line-height: 0.88;
  font-weight: 900;
}

.hero-subtitle {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--mint);
  font-size: clamp(1.3rem, 2.2vw, 2rem);
  font-weight: 820;
}

.hero-body {
  max-width: 720px;
  margin: 18px 0 0;
  color: rgba(246, 251, 255, 0.82);
  font-size: 1.05rem;
}

.logo-panel {
  justify-self: end;
  width: min(100%, 390px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(6, 16, 28, 0.64);
  box-shadow: var(--shadow);
  padding: 10px;
}

.logo-panel img {
  display: block;
  width: 100%;
  border-radius: 6px;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  max-width: 1180px;
}

.tool-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(246, 251, 255, 0.09), rgba(246, 251, 255, 0.035)),
    var(--panel);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.2);
  padding: 24px;
  backdrop-filter: blur(18px);
}

.tool-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 20px;
}

.tool-meta span,
.tool-meta strong {
  font-size: 0.76rem;
  font-weight: 850;
  text-transform: uppercase;
}

.tool-meta span {
  color: var(--cyan);
}

.tool-meta strong {
  color: var(--violet);
}

.tool-card h2 {
  margin: 0;
  color: var(--text);
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  line-height: 1.1;
}

.tool-card p {
  margin: 14px 0 0;
  color: var(--muted);
}

.tool-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  margin-top: 24px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: linear-gradient(135deg, var(--cyan), var(--mint));
  color: #06101c;
  padding: 12px 16px;
  font-weight: 900;
  text-decoration: none;
  box-shadow: 0 16px 34px rgba(39, 217, 255, 0.2);
}

.tool-link:hover,
.tool-link:focus-visible {
  transform: translateY(-1px);
  outline: 0;
}

.tool-link span {
  font-size: 1rem;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (max-width: 940px) {
  .home {
    padding: 18px 22px 34px;
  }

  .hero,
  .tool-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding: 54px 0 24px;
  }

  .logo-panel {
    justify-self: start;
    max-width: 280px;
  }
}

@media (max-width: 620px) {
  .topbar {
    align-items: flex-start;
  }

  .brand span {
    display: none;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .nav-links a {
    padding: 8px 9px;
    font-size: 0.82rem;
  }

  .hero h1 {
    font-size: 3.35rem;
  }

  .hero-subtitle {
    font-size: 1.25rem;
  }

  .logo-panel {
    display: none;
  }

  .tool-meta {
    display: grid;
    gap: 4px;
  }

  .tool-link {
    width: 100%;
  }
}