:root {
  --surface-lowest: #0e0e0e;
  --surface: #131313;
  --surface-container: #201f1f;
  --surface-container-high: #2a2a2a;
  --surface-container-highest: #353534;
  --on-surface: #e5e2e1;
  --on-surface-variant: #b9ccb2;
  --primary-fixed-dim: #00e639;
  --primary-fixed: #72ff70;
  --outline-variant: rgba(59, 75, 55, 0.35);
  --shadow-ambient: 0 24px 48px rgba(0, 0, 0, 0.45);
  font-family: "Inter", system-ui, sans-serif;
  color: var(--on-surface);
  background-color: var(--surface);
}

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

body {
  margin: 0;
  min-height: 100vh;
  line-height: 1.6;
  background: var(--surface);
}

.mono {
  font-family: "Space Grotesk", "Inter", monospace;
  letter-spacing: 0.02em;
}

h1,
h2,
h3,
.brand {
  font-family: "Space Grotesk", "Inter", sans-serif;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 0.75rem 1rem;
  background: var(--primary-fixed-dim);
  color: var(--surface-lowest);
  z-index: 100;
  font-weight: 600;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.container {
  width: min(1120px, 100% - 2rem);
  margin-inline: auto;
}

.header-primary {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--surface-container) 82%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--outline-variant);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1rem;
}

.brand {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--on-surface);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand:hover,
.brand:focus-visible {
  color: var(--primary-fixed);
}

.nav-primary {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  align-items: center;
}

.nav-primary a {
  color: var(--on-surface-variant);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
}

.nav-primary a:hover,
.nav-primary a:focus-visible {
  color: var(--primary-fixed-dim);
  border-bottom-color: color-mix(in srgb, var(--primary-fixed-dim) 40%, transparent);
}

.nav-toggle {
  display: none;
  font: inherit;
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  border: 1px solid var(--outline-variant);
  background: var(--surface-container-high);
  color: var(--on-surface);
  cursor: pointer;
}

.hero-main {
  padding: clamp(3rem, 8vw, 6rem) 0;
  background: radial-gradient(120% 80% at 50% 0%, #1a2118 0%, var(--surface-lowest) 55%, var(--surface) 100%);
}

.hero-kicker {
  margin: 0 0 1rem;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--on-surface-variant);
}

#hero-heading {
  margin: 0 0 1rem;
  font-size: clamp(2.75rem, 6vw, 3.75rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.hero-lede {
  max-width: 42rem;
  margin: 0 0 2rem;
  font-size: 1.125rem;
  color: var(--on-surface-variant);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.35rem;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: 4px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:focus-visible {
  outline: 2px solid var(--primary-fixed-dim);
  outline-offset: 3px;
}

.btn-primary {
  background: linear-gradient(180deg, var(--primary-fixed) 0%, var(--primary-fixed-dim) 100%);
  color: #003907;
  box-shadow: var(--shadow-ambient);
}

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

.btn-secondary {
  background: transparent;
  color: var(--primary-fixed-dim);
  border: 1px solid color-mix(in srgb, var(--primary-fixed-dim) 45%, transparent);
}

.btn-lg {
  padding: 1rem 1.75rem;
  font-size: 1rem;
}

.feature-grid {
  padding: clamp(3rem, 6vw, 5rem) 0;
  background: var(--surface);
}

.feature-grid-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--surface-container);
  padding: 1.75rem;
  border-radius: 4px;
  box-shadow: var(--shadow-ambient);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 100%;
}

.feature-card h3 {
  margin: 0;
  font-size: 1.25rem;
}

.feature-card p {
  margin: 0;
  flex: 1;
  color: var(--on-surface-variant);
  font-size: 0.975rem;
}

.feature-icon {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--primary-fixed-dim);
  opacity: 0.9;
}

.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
  color: var(--primary-fixed-dim);
  text-decoration: none;
}

.feature-link:hover,
.feature-link:focus-visible {
  color: var(--primary-fixed);
}

.chevron::after {
  content: "";
  display: inline-block;
  width: 0.35rem;
  height: 0.35rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  margin-bottom: 2px;
}

.content-section {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
  background: var(--surface-container);
}

.content-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.content-section h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
}

.content-section p {
  margin: 0 0 1.25rem;
  color: var(--on-surface-variant);
}

.checklist {
  margin: 0 0 1.5rem;
  padding-left: 1.15rem;
  color: var(--on-surface-variant);
}

.checklist li {
  margin-bottom: 0.5rem;
}

.text-link {
  font-weight: 600;
  color: var(--primary-fixed-dim);
  text-decoration: none;
}

.text-link:hover,
.text-link:focus-visible {
  text-decoration: underline;
}

.content-panel {
  background: var(--surface-lowest);
  border-radius: 4px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: 0.85rem;
  color: var(--on-surface-variant);
  border: 1px solid var(--outline-variant);
}

.content-panel.subtle {
  opacity: 0.95;
}

.panel-line.success {
  color: var(--primary-fixed-dim);
}

.cta-primary {
  padding: clamp(3rem, 8vw, 5rem) 0;
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-lowest) 100%);
  text-align: center;
}

.cta-inner h2 {
  margin: 0 0 1.5rem;
  font-size: clamp(1.6rem, 3vw, 2rem);
}

.footer-standard {
  padding: 2.5rem 0;
  background: var(--surface-lowest);
  border-top: 1px solid var(--outline-variant);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-brand {
  margin: 0;
  font-weight: 600;
  font-family: "Space Grotesk", "Inter", sans-serif;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-nav a {
  color: var(--on-surface-variant);
  text-decoration: none;
  font-size: 0.925rem;
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  color: var(--primary-fixed-dim);
}

.footer-note {
  margin: 0;
  font-size: 0.8125rem;
  color: color-mix(in srgb, var(--on-surface-variant) 85%, transparent);
  max-width: 52ch;
}

@media (max-width: 900px) {
  .feature-grid-inner {
    grid-template-columns: 1fr;
  }

  .content-split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-primary {
    display: none;
    position: absolute;
    right: 1rem;
    top: calc(100% + 0.5rem);
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
    background: var(--surface-container-high);
    border-radius: 4px;
    box-shadow: var(--shadow-ambient);
    min-width: 200px;
    border: 1px solid var(--outline-variant);
  }

  .nav-primary.is-open {
    display: flex;
  }

  .header-inner {
    position: relative;
  }
}