:root {
  --color-bg: #1e1b1b;
  --color-surface: #49564b;
  --color-text: #fefefe;
  --color-muted: #c9d0c7;
  --color-primary: #99fe9a;
  --color-primary-fg: #000201;
  --color-accent: #ecff93;
  --color-border: #fefeff;
  --font-display: Verdana, Geneva, sans-serif;
  --font-body: Verdana, Geneva, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 0.96rem;
  --text-lg: 1.125rem;
  --text-xl: 1.5rem;
  --text-2xl: 1.625rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.125rem;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-bold: 700;
  --leading-tight: 1.2;
  --leading-normal: 1.5;
  --leading-relaxed: 1.7;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;
  --space-32: 8rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.875rem;
  --radius-lg: 1.5625rem;
  --radius-full: 999px;
  --shadow-sm: 0 0 6px rgba(254, 254, 254, 0.35);
  --shadow-md: 0 0 8px rgba(153, 254, 154, 0.85);
  --shadow-lg: 0 0 0 12px rgba(153, 254, 154, 0);
  --layout-max: 76rem;
  --measure: 42rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 300px;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(254, 254, 255, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(254, 254, 255, 0.025) 1px, transparent 1px);
  background-size: 5rem 5rem;
  mask-image: linear-gradient(to bottom, black, transparent 78%);
}

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

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

p,
ul {
  margin: 0;
}

p + p,
p + ul,
ul + p {
  margin-top: var(--space-4);
}

ul {
  padding-left: var(--space-6);
}

li + li {
  margin-top: var(--space-2);
}

.site-top {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(254, 254, 255, 0.14);
  background: rgba(3, 43, 28, 0.94);
  backdrop-filter: blur(14px);
}

.top-inner {
  width: min(100%, var(--layout-max));
  min-height: 4.275rem;
  margin: 0 auto;
  padding: var(--space-3) var(--space-4);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-3);
  align-items: center;
}

.brand-mark {
  width: fit-content;
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  letter-spacing: 0;
}

.primary-nav {
  grid-column: 1 / -1;
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding-bottom: var(--space-1);
  scrollbar-width: none;
}

.primary-nav::-webkit-scrollbar {
  display: none;
}

.primary-nav a,
.section-links a,
.age-mark {
  border: 1px solid rgba(254, 254, 255, 0.18);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-3);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  white-space: nowrap;
}

.primary-nav a:hover,
.primary-nav a:focus-visible,
.primary-nav a[aria-current="page"],
.section-links a:hover,
.section-links a:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary-fg);
  background: var(--color-primary);
  outline: none;
}

.age-mark {
  justify-self: end;
  border-color: rgba(236, 255, 147, 0.7);
  color: var(--color-accent);
}

.page-shell {
  width: min(100%, var(--layout-max));
  margin: 0 auto;
  padding: var(--space-8) var(--space-4) var(--space-16);
}

.hero-panel,
.content-section {
  border-bottom: 1px solid rgba(254, 254, 255, 0.16);
}

.hero-panel {
  display: grid;
  gap: var(--space-8);
  padding: var(--space-8) 0 var(--space-12);
}

.hero-copy {
  max-width: 52rem;
}

.eyebrow {
  margin-bottom: var(--space-3);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: 0;
}

h1 {
  font-size: var(--text-4xl);
  max-width: 14ch;
}

h2 {
  font-size: var(--text-2xl);
}

.hero-copy > p,
.section-body {
  color: var(--color-muted);
  line-height: var(--leading-relaxed);
}

.hero-copy > p {
  max-width: var(--measure);
  margin-top: var(--space-4);
  font-size: var(--text-lg);
}

.hero-note {
  max-width: var(--measure);
  margin-top: var(--space-6);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  align-items: start;
  color: var(--color-text);
}

.hero-note span {
  display: inline-flex;
  min-width: 3rem;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-full);
  color: var(--color-accent);
  font-weight: var(--weight-bold);
}

.section-media {
  margin: 0;
  border: 1px solid rgba(254, 254, 255, 0.16);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: 0 0 8px rgba(153, 254, 154, 0.22);
}

.section-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.hero-panel .section-media img {
  min-height: 15rem;
}

.content-section {
  display: grid;
  gap: var(--space-6);
  padding: var(--space-12) 0;
  scroll-margin-top: 6rem;
}

.section-heading {
  max-width: 24rem;
}

.section-heading h2::after {
  content: "";
  display: block;
  width: 3.25rem;
  height: 2px;
  margin-top: var(--space-4);
  background: var(--color-primary);
}

.section-body {
  max-width: var(--measure);
}

.section-body strong {
  color: var(--color-text);
}

.toc-section {
  padding-top: var(--space-8);
}

.section-links {
  margin-top: var(--space-6);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.faq-list {
  display: grid;
  gap: var(--space-3);
}

.faq-item {
  border: 1px solid rgba(254, 254, 255, 0.16);
  border-radius: var(--radius-md);
  background: rgba(73, 86, 75, 0.72);
}

.faq-item summary {
  cursor: pointer;
  padding: var(--space-4);
  color: var(--color-text);
  font-weight: var(--weight-bold);
}

.faq-item p {
  padding: 0 var(--space-4) var(--space-4);
}

.image-placeholder {
  border: 1px dashed rgba(254, 254, 255, 0.35);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  color: var(--color-muted);
  background: rgba(73, 86, 75, 0.45);
}

.site-footer {
  border-top: 1px solid rgba(254, 254, 255, 0.14);
  background: #032b1c;
}

.footer-inner {
  width: min(100%, var(--layout-max));
  margin: 0 auto;
  padding: var(--space-8) var(--space-4);
  display: grid;
  gap: var(--space-6);
  color: var(--color-muted);
}

.footer-inner strong {
  color: var(--color-accent);
}

.footer-inner nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.footer-inner a {
  color: var(--color-text);
  text-decoration: underline;
  text-underline-offset: 0.25rem;
}

@media (min-width: 768px) {
  .top-inner {
    grid-template-columns: auto 1fr auto;
    padding-inline: var(--space-6);
  }

  .primary-nav {
    grid-column: auto;
    justify-content: center;
  }

  .page-shell {
    padding-inline: var(--space-6);
  }

  .hero-panel {
    grid-template-columns: minmax(0, 0.95fr) minmax(18rem, 0.75fr);
    align-items: center;
    padding-top: var(--space-12);
  }

  h1 {
    font-size: calc(var(--text-4xl) + 0.75rem);
  }

  .content-section {
    grid-template-columns: minmax(12rem, 0.55fr) minmax(0, 1fr);
    column-gap: var(--space-12);
  }

  .content-section.has-media {
    grid-template-columns: minmax(12rem, 0.55fr) minmax(0, 0.9fr) minmax(14rem, 0.55fr);
  }

  .section-media {
    align-self: start;
  }
}

@media (min-width: 1200px) {
  .top-inner,
  .page-shell,
  .footer-inner {
    padding-inline: var(--space-8);
  }

  h1 {
    font-size: 3.6rem;
  }

  h2 {
    font-size: var(--text-3xl);
  }

  .hero-panel {
    min-height: 34rem;
  }
}