:root {
  --bg: #07111f;
  --bg-soft: #0c1829;
  --card: rgba(255, 255, 255, 0.055);
  --card-strong: rgba(255, 255, 255, 0.09);
  --text: #f5f8ff;
  --muted: #aeb9ca;
  --muted-2: #7f8ca3;
  --border: rgba(255, 255, 255, 0.11);
  --accent: #64f4ac;
  --accent-2: #6aa8ff;
  --danger: #ff7a90;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.35);
  --radius: 24px;
  --radius-sm: 16px;
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 12% 0%, rgba(100, 244, 172, 0.18), transparent 28rem),
    radial-gradient(circle at 88% 8%, rgba(106, 168, 255, 0.20), transparent 32rem),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

body.menu-open {
  overflow: hidden;
}

button,
input {
  font: inherit;
}

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

.site-shell {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  letter-spacing: -0.04em;
  font-size: 1.25rem;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  color: #06111f;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 14px 35px rgba(100, 244, 172, 0.16);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 650;
}

.main-nav a:hover {
  color: var(--text);
}

.nav-cta {
  padding: 10px 14px;
  border-radius: 999px;
  color: #06111f !important;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--card);
  color: var(--text);
  cursor: pointer;
}

.menu-button span {
  display: block;
  width: 19px;
  height: 2px;
  margin: 4px auto;
  background: var(--text);
  border-radius: 2px;
}

.section-pad {
  padding: 82px 0;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

.section-heading.narrow {
  max-width: 680px;
}

.section-heading h2,
.cta-card h2 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 4.5vw, 3.6rem);
  line-height: 1;
  letter-spacing: -0.06em;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  color: var(--muted);
  font-weight: 750;
  font-size: 0.92rem;
}

.eyebrow span {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 22px var(--accent);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.button:hover,
.copy-button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #06111f;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.button-secondary {
  border-color: var(--border);
  background: var(--card);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  padding: 28px 0 38px;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 820px) {
  .menu-button {
    display: block;
  }

  .main-nav {
    position: fixed;
    inset: 76px 16px auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 22px;
    background: rgba(7, 17, 31, 0.97);
    box-shadow: var(--shadow);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: 10px 12px;
  }

  .section-pad {
    padding: 58px 0;
  }
}