:root {
  --bg: #0b101f;
  --bg-2: #122237;
  --surface: rgba(18, 34, 55, .64);
  --surface-2: rgba(22, 52, 80, .46);
  --line: rgba(133, 222, 235, .16);
  --line-strong: rgba(133, 222, 235, .34);
  --text: #f4f8ff;
  --muted: #9db0c4;
  --cyan: #5acfdc;
  --cyan-soft: #8ae8f0;
  --orange: #f3af7e;
  --green: #72e593;
  --pink: #ef6ab5;
  --violet: #8f70ff;
  --radius: 24px;
  --radius-sm: 16px;
  --shadow: 0 30px 80px rgba(0, 0, 0, .34);
  --shell: min(1180px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 50% -20%, rgba(90, 207, 220, .12), transparent 34rem),
    linear-gradient(180deg, #090e1a 0%, var(--bg) 42%, #080d18 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
img, svg { max-width: 100%; }
::selection { background: rgba(90, 207, 220, .28); color: white; }

.shell { width: var(--shell); margin-inline: auto; position: relative; z-index: 2; }
.section-pad { padding: 104px 0; position: relative; }

#network-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: .23;
  pointer-events: none;
  z-index: 0;
}
.noise {
  position: fixed;
  inset: 0;
  z-index: 1;
  opacity: .025;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
}
.aurora { position: fixed; width: 460px; height: 460px; border-radius: 50%; filter: blur(100px); opacity: .11; pointer-events: none; z-index: 0; }
.aurora-a { background: var(--cyan); top: 8%; left: -180px; }
.aurora-b { background: var(--pink); right: -180px; top: 50%; }

.glass {
  background: linear-gradient(145deg, rgba(25, 49, 75, .66), rgba(10, 18, 32, .76));
  border: 1px solid var(--line);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04), var(--shadow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 18px;
  color: var(--cyan-soft);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.pulse-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 16px var(--green); }
.gradient-text {
  color: transparent;
  background: linear-gradient(90deg, var(--cyan-soft), var(--orange) 48%, var(--pink));
  background-clip: text;
  -webkit-background-clip: text;
}
.section-heading { max-width: 760px; margin-bottom: 44px; }
.section-heading h2, .method-copy h2, .cta-card h2 {
  margin: 0 0 18px;
  font-size: clamp(36px, 5vw, 64px);
  line-height: .98;
  letter-spacing: -.045em;
}
.section-heading p, .method-copy > p, .cta-card > p {
  color: var(--muted);
  max-width: 660px;
  margin: 0;
  font-size: 18px;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-weight: 800;
  font-size: 14px;
  overflow: hidden;
  transition: transform .25s ease, border-color .25s ease, background .25s ease, box-shadow .25s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: #071019;
  background: linear-gradient(100deg, var(--cyan-soft), var(--cyan), var(--green));
  box-shadow: 0 12px 35px rgba(90, 207, 220, .22);
}
.btn-primary::after {
  content: "";
  position: absolute;
  inset: -60% auto -60% -30%;
  width: 28%;
  transform: rotate(18deg);
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.62), transparent);
  transition: left .5s ease;
}
.btn-primary:hover::after { left: 115%; }
.btn-ghost { background: rgba(255,255,255,.025); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--line-strong); background: rgba(90,207,220,.06); }
.btn-full { width: 100%; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
