:root {
  --bg-0: #050710;
  --bg-1: #070a14;
  --panel: rgba(10, 18, 34, 0.58);
  --panel-strong: rgba(12, 22, 44, 0.78);
  --stroke: rgba(160, 190, 255, 0.16);
  --stroke-strong: rgba(160, 190, 255, 0.28);
  --text: rgba(245, 251, 255, 0.92);
  --text-dim: rgba(245, 251, 255, 0.72);
  --text-faint: rgba(245, 251, 255, 0.56);
  --accent: #7ad6ff;
  --accent-2: #6b7cff;
  --neon: #bff4ff;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.55);
  --radius: 18px;
  --radius-sm: 12px;
  --container: 1120px;
  --header-h: 72px;
  --ease: cubic-bezier(0.2, 0.9, 0.2, 1);
  --mono: "Orbitron", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --sans: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

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

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background: radial-gradient(1200px 700px at 20% 10%, rgba(122, 214, 255, 0.12), transparent 55%),
    radial-gradient(900px 600px at 75% 25%, rgba(107, 124, 255, 0.12), transparent 55%),
    radial-gradient(850px 650px at 50% 85%, rgba(191, 244, 255, 0.08), transparent 60%),
    linear-gradient(180deg, var(--bg-0), var(--bg-1));
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

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

button,
input,
textarea {
  font: inherit;
  color: inherit;
}

::selection {
  background: rgba(122, 214, 255, 0.25);
}

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

.section {
  padding: clamp(64px, 6vw, 96px) 0;
  position: relative;
}

.section--alt {
  background: linear-gradient(180deg, rgba(10, 14, 28, 0.55), rgba(10, 14, 28, 0.18));
  border-block: 1px solid rgba(160, 190, 255, 0.08);
}

.section-title {
  font-family: var(--mono);
  font-weight: 700;
  letter-spacing: 0.04em;
  margin: 0 0 12px;
  font-size: clamp(26px, 2.2vw, 34px);
}

.section-lead {
  color: var(--text-dim);
  margin: 0 0 24px;
  line-height: 1.65;
  font-size: clamp(15px, 1.5vw, 17px);
}

.kicker {
  font-family: var(--mono);
  letter-spacing: 0.14em;
  color: rgba(191, 244, 255, 0.88);
  text-transform: uppercase;
  font-size: 12px;
  margin-bottom: 14px;
}

.btn {
  border: 1px solid var(--stroke);
  background: rgba(8, 14, 28, 0.6);
  padding: 12px 16px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  cursor: pointer;
  transition: transform 160ms var(--ease), border-color 160ms var(--ease), background 160ms var(--ease);
  user-select: none;
  min-height: 44px;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: var(--stroke-strong);
}

.btn:active {
  transform: translateY(0px);
}

.btn--primary {
  background: radial-gradient(120% 180% at 20% 0%, rgba(191, 244, 255, 0.35), rgba(122, 214, 255, 0.1)),
    linear-gradient(180deg, rgba(122, 214, 255, 0.25), rgba(107, 124, 255, 0.08));
  border-color: rgba(122, 214, 255, 0.38);
}

.btn--ghost {
  background: rgba(8, 14, 28, 0.35);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}