.site-main {
  position: relative;
  width: min(var(--page-width), 100%);
  margin: 0 auto;
  padding: 0 var(--gutter) clamp(72px, 9vw, 132px);
}

.site-main > * {
  position: relative;
}

html {
  overflow-x: clip;
}

.site-banner {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  padding: 0;
}

.site-banner__frame {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(28px, 5vh, 56px);
  min-height: calc(100svh - 74px);
  padding: clamp(40px, 8vh, 96px) var(--gutter) clamp(90px, 14vh, 140px);
  overflow: hidden;
  background:
    radial-gradient(ellipse 48% 40% at 50% 46%, rgba(5, 6, 12, 0.8), rgba(5, 6, 12, 0.3) 70%, transparent),
    linear-gradient(180deg, rgba(5, 6, 12, 0.2), rgba(5, 6, 12, 0.25) 55%, var(--page) 98%),
    url("/site/media/keyart/lfs-keyart-eye.webp") center 55% / cover no-repeat,
    var(--red-night);
}

.site-banner__frame::before {
  position: absolute;
  z-index: 0;
  inset: 0 0 auto;
  height: 30%;
  background: linear-gradient(180deg, transparent, rgba(143, 227, 207, 0.07), transparent);
  content: "";
  animation: lfs-scan 6s linear infinite;
  pointer-events: none;
}

.site-banner__media {
  position: relative;
  z-index: 1;
  display: block;
  width: min(86vw, 1080px);
  height: auto;
  filter: drop-shadow(0 6px 0 rgba(5, 6, 12, 0.85)) drop-shadow(0 0 32px rgba(5, 6, 12, 0.9));
  animation: lfs-flicker 7s infinite;
}

.site-banner__tagline {
  position: relative;
  z-index: 1;
  margin: calc(-1 * clamp(10px, 2.5vh, 28px)) 0 0;
  color: var(--ink);
  font-family: var(--font-pixel);
  font-size: clamp(1.05rem, 2vw, 1.7rem);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-align: center;
  text-transform: uppercase;
  text-shadow: 3px 3px 0 var(--void), 0 0 18px rgba(143, 227, 207, 0.45);
}

.site-banner__actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

.button--large {
  min-height: 58px;
  padding: 0 30px 4px;
  font-size: 1.1rem;
}

.site-banner__actions .button--secondary {
  background: rgba(5, 6, 12, 0.7);
}

.site-banner__actions .button--secondary:hover {
  background: var(--mint);
}

.site-banner__scroll {
  position: absolute;
  z-index: 1;
  bottom: clamp(24px, 5vh, 44px);
  left: 50%;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  transform: translateX(-50%);
  color: var(--mint);
  font-size: 1.1rem;
  text-decoration: none;
  text-shadow: var(--glow-mint);
  animation: lfs-bob 1.4s steps(2) infinite;
}

.site-banner__scroll:hover {
  color: var(--mint-bright);
}

@keyframes lfs-bob {
  50% { transform: translate(-50%, 6px); }
}

#presentation {
  scroll-margin-top: 80px;
}

.site-banner__caption {
  width: min(var(--page-width), 100%);
  margin: 12px auto 0;
  padding-inline: var(--gutter);
  color: var(--muted);
  font-size: 0.84rem;
}

.hero-section {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
  gap: clamp(34px, 6vw, 90px);
  align-items: center;
  min-height: min(680px, calc(100svh - 74px));
  padding: clamp(60px, 8vw, 118px) 0 clamp(64px, 8vw, 118px);
}

.hero-section::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 4px;
  background: var(--dither);
  content: "";
  opacity: 0.55;
}

.hero-copy {
  max-width: 720px;
}

.hero-intro {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(1.06rem, 1.5vw, 1.24rem);
  line-height: 1.65;
}

.hero-media {
  position: relative;
  margin: 0;
  padding: 10px;
  background: var(--surface-dark);
  clip-path: var(--notch-lg);
  box-shadow: inset 0 0 0 2px var(--line-strong);
}

.hero-media::before {
  position: absolute;
  z-index: 3;
  top: 18px;
  left: 20px;
  padding: 2px 6px;
  background: rgba(5, 6, 12, 0.8);
  color: var(--red);
  content: "● REC";
  font-family: var(--font-pixel);
  font-size: 0.81rem;
  animation: lfs-blink 1.6s steps(1) infinite;
}

.hero-media::after {
  position: absolute;
  z-index: 2;
  inset: 10px 10px auto;
  aspect-ratio: 16 / 9;
  background: repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.2) 0 2px, transparent 2px 4px);
  content: "";
  pointer-events: none;
}

.media-placeholder {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--surface-dark);
  background-image:
    linear-gradient(180deg, rgba(10, 12, 23, 0.25), rgba(10, 12, 23, 0.55)),
    url("/site/media/placeholder.svg");
  background-position: center;
  background-size: cover;
  filter: hue-rotate(-18deg) saturate(1.25);
}

.media-placeholder::before {
  display: block;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0, 0, 0, 0.55));
  content: "";
}

body[data-page="home"] .media-placeholder {
  background-image: url("/site/media/keyart/lfs-keyart-heroes.webp");
  background-position: center 30%;
  filter: none;
}

.media-visual {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--surface-dark);
  image-rendering: pixelated;
}

.hero-media figcaption {
  position: relative;
  z-index: 2;
  margin: 10px 4px 2px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.45;
}

.hero-media figcaption::before {
  content: "$ ";
  color: var(--mint);
}

.content-flow {
  display: grid;
  gap: 0;
}

.content-section {
  position: relative;
  padding: clamp(68px, 8vw, 112px) 0;
}

.content-section::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--line) 0 8px, transparent 8px 16px);
  content: "";
}

.content-section + .content-section {
  margin-top: 2px;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 28px;
}

.section-heading h2 {
  display: inline;
  color: var(--mint);
  text-shadow: 3px 3px 0 var(--red-deep);
}

.section-heading h2::before {
  margin-right: 0.35em;
  color: var(--red);
  content: "#";
  text-shadow: var(--glow-red);
}

.section-heading p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.06rem;
  line-height: 1.7;
}

.check-list {
  display: grid;
  gap: 10px;
  max-width: 820px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
}

.check-list li::before {
  position: absolute;
  top: 0.62em;
  left: 4px;
  width: 8px;
  height: 8px;
  background: var(--red);
  box-shadow: 0 0 8px rgba(255, 59, 78, 0.7);
  content: "";
}

.section-note {
  max-width: 820px;
  padding: 12px 16px;
  border-left: 4px solid var(--mint);
  background: rgba(143, 227, 207, 0.06);
  color: var(--muted);
  font-family: var(--font-pixel);
  font-size: 0.95rem;
}

.content-section--dark {
  margin: 20px 0;
  padding-right: clamp(24px, 5vw, 64px);
  padding-left: clamp(24px, 5vw, 64px);
  background:
    radial-gradient(ellipse 80% 90% at 100% 0%, rgba(255, 59, 78, 0.16), transparent 60%),
    linear-gradient(180deg, var(--surface), var(--page-alt));
  clip-path: var(--notch-lg);
  box-shadow: inset 0 0 0 2px var(--line), inset 0 3px 0 2px rgba(255, 59, 78, 0.0);
}

.content-section--dark::before {
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: var(--dither);
}

.content-section--dark::after {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 10px;
  height: 10px;
  background: var(--red);
  box-shadow: -16px 0 0 var(--amber), -32px 0 0 var(--mint);
  content: "";
}

.content-section--dark .section-heading h2 {
  color: var(--ink);
  text-shadow: 3px 3px 0 var(--red-deep), 0 0 18px rgba(255, 59, 78, 0.35);
}

.content-section--dark .section-heading p,
.content-section--dark .info-card p,
.content-section--dark .info-card__list {
  color: var(--muted-on-dark);
}

.content-section--dark .info-card {
  background: rgba(5, 6, 12, 0.55);
}

body[data-page="home"] .content-section[data-section-index="2"] .section-heading h2::before,
body[data-page="game"] .content-section[data-section-index="2"] .section-heading h2::before,
body[data-page="universe"] .content-section[data-section-index="1"] .section-heading h2::before {
  color: var(--mint);
  text-shadow: var(--glow-mint);
}

body[data-page="home"] .content-section[data-section-index="3"] .section-heading h2::before,
body[data-page="universe"] .content-section[data-section-index="3"] .section-heading h2::before {
  color: var(--cyan);
  text-shadow: 0 0 10px rgba(69, 214, 255, 0.6);
}

body[data-page="universe"] .hero-section {
  min-height: 620px;
  margin-top: clamp(24px, 5vw, 52px);
  padding: clamp(48px, 7vw, 88px) clamp(24px, 5vw, 64px);
  background:
    linear-gradient(90deg, rgba(5, 6, 12, 0.96) 0 40%, rgba(5, 6, 12, 0.72) 70%, rgba(5, 6, 12, 0.5)),
    url("/site/media/keyart/lfs-keyart-eye.webp") right center / cover no-repeat,
    var(--red-night);
  clip-path: var(--notch-lg);
  box-shadow: inset 0 0 0 2px rgba(255, 59, 78, 0.5);
}

body[data-page="universe"] .hero-section::after {
  display: none;
}

body[data-page="game"] .hero-section,
body[data-page="pedagogy"] .hero-section {
  margin-top: clamp(18px, 4vw, 44px);
  padding-inline: clamp(24px, 5vw, 64px);
  background:
    radial-gradient(ellipse 60% 80% at 90% 50%, rgba(143, 227, 207, 0.1), transparent 70%),
    linear-gradient(120deg, rgba(255, 59, 78, 0.12), transparent 55%),
    var(--page-alt);
  clip-path: var(--notch-lg);
  box-shadow: inset 0 0 0 2px var(--line);
}

body[data-page="pedagogy"] .hero-section {
  background:
    radial-gradient(ellipse 60% 80% at 90% 50%, rgba(69, 214, 255, 0.1), transparent 70%),
    linear-gradient(120deg, rgba(143, 227, 207, 0.1), transparent 55%),
    var(--page-alt);
}

body[data-page="game"] .hero-section::after,
body[data-page="pedagogy"] .hero-section::after {
  display: none;
}

body[data-page="docs"] .hero-section {
  min-height: 540px;
}

body[data-page="privacySite"] .hero-section,
body[data-page="privacyGame"] .hero-section,
body[data-page="legal"] .hero-section {
  grid-template-columns: minmax(0, 900px);
  min-height: 0;
  padding-bottom: clamp(56px, 7vw, 94px);
}

body[data-page="privacySite"] .hero-media,
body[data-page="privacyGame"] .hero-media,
body[data-page="legal"] .hero-media {
  display: none;
}

body[data-page="privacySite"] h1,
body[data-page="privacyGame"] h1,
body[data-page="legal"] h1 {
  font-size: clamp(2rem, 3.6vw, 3.4rem);
}

body[data-page="privacySite"] .section-heading h2,
body[data-page="privacyGame"] .section-heading h2,
body[data-page="legal"] .section-heading h2 {
  font-size: clamp(1.3rem, 2vw, 1.8rem);
}