:root {
  --ink: #071a18;
  --ink-soft: #0d2f2b;
  --fog: #d8ebe4;
  --mist: #a7cfc3;
  --lime: #c8f54a;
  --lime-deep: #9bc92a;
  --paper: #f2f7f4;
  --muted: rgba(242, 247, 244, 0.72);
  --line: rgba(216, 235, 228, 0.16);
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "Figtree", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--paper);
  background: var(--ink);
  -webkit-font-smoothing: antialiased;
}

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 90% 60% at 10% -10%, rgba(200, 245, 74, 0.18), transparent 55%),
    radial-gradient(ellipse 70% 50% at 95% 15%, rgba(58, 140, 120, 0.35), transparent 50%),
    radial-gradient(ellipse 80% 60% at 50% 110%, rgba(13, 47, 43, 0.9), transparent 55%),
    linear-gradient(165deg, #041210 0%, var(--ink-soft) 42%, #051816 100%);
  animation: drift 18s ease-in-out infinite alternate;
}

.atmosphere::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  pointer-events: none;
  mix-blend-mode: overlay;
}

@keyframes drift {
  from {
    transform: scale(1) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.04) translate3d(-1.5%, 1%, 0);
  }
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  max-width: 72rem;
  margin: 0 auto;
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
  color: var(--paper);
  text-decoration: none;
}

.header-cta {
  color: var(--mist);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.header-cta:hover {
  color: var(--lime);
  border-color: rgba(200, 245, 74, 0.45);
}

main {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

.hero {
  min-height: calc(100vh - 5rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem 0 4rem;
  max-width: 42rem;
}

.brand-lockup {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.75rem, 9vw, 5.5rem);
  line-height: 0.92;
  letter-spacing: -0.045em;
  color: var(--paper);
  animation: rise 0.9s ease both;
}

.hero h1 {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 3.4vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--fog);
  max-width: 28ch;
  animation: rise 0.9s ease 0.12s both;
}

.lede {
  margin: 0 0 2rem;
  color: var(--muted);
  font-size: 1.125rem;
  max-width: 38ch;
  animation: rise 0.9s ease 0.22s both;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1rem;
  align-items: center;
  animation: rise 0.9s ease 0.32s both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(1.1rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.25rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 0.35rem;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn.primary {
  background: var(--lime);
  color: var(--ink);
}

.btn.primary:hover {
  background: #d6ff6a;
  transform: translateY(-1px);
}

.btn.ghost {
  color: var(--fog);
  border: 1px solid var(--line);
  background: transparent;
}

.btn.ghost:hover {
  border-color: var(--mist);
  color: var(--paper);
}

.section {
  padding: 3.5rem 0;
  border-top: 1px solid var(--line);
  max-width: 40rem;
}

.section h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.section-lede {
  margin: 0;
  color: var(--muted);
  font-size: 1.125rem;
}

.outcomes {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1.5rem;
}

.outcomes li {
  color: var(--muted);
  padding-left: 0;
  border-left: 2px solid rgba(200, 245, 74, 0.45);
  padding-left: 1rem;
}

.outcomes strong {
  display: block;
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
  letter-spacing: -0.02em;
}

.credibility p {
  color: var(--muted);
  margin: 0 0 1rem;
}

.quiet {
  font-size: 0.95rem;
  color: rgba(242, 247, 244, 0.55) !important;
}

.close .btn {
  margin-top: 0.5rem;
}

.site-footer {
  max-width: 72rem;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: rgba(242, 247, 244, 0.45);
  font-size: 0.875rem;
}

.site-footer a {
  color: var(--mist);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--lime);
}

@media (max-width: 640px) {
  .hero {
    min-height: auto;
    padding: 3rem 0 3.5rem;
  }

  .brand-lockup {
    font-size: clamp(2.4rem, 14vw, 3.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .atmosphere,
  .brand-lockup,
  .hero h1,
  .lede,
  .cta-row {
    animation: none !important;
  }
}
