.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: var(--z-nav);
  height: var(--nav-h);
  transition: background 0.4s, backdrop-filter 0.4s, transform 0.5s var(--ease-out);
}

.nav.is-scrolled {
  background: rgba(11, 11, 12, 0.72);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.eagle-vision .nav.is-scrolled {
  background: rgba(6, 9, 13, 0.75);
}

.nav.is-hidden {
  transform: translateY(-100%);
}

.menu-open .nav {
  background: transparent;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  transform: none;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 100%;
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.22em;
}

.nav__insignia {
  width: 30px;
  height: 30px;
  transition: transform 0.5s var(--ease-out), color 0.3s, filter 0.3s;
}

.nav__brand:hover .nav__insignia {
  transform: scale(1.15);
  color: var(--blood-bright);
  filter: drop-shadow(0 0 8px rgba(193, 18, 31, 0.6));
}

.eagle-vision .nav__brand:hover .nav__insignia {
  color: var(--gold-bright);
  filter: drop-shadow(0 0 8px rgba(216, 180, 119, 0.7));
}

.nav__list {
  display: flex;
  gap: clamp(16px, 2.4vw, 34px);
}

.nav__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 0;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bone-dim);
  transition: color 0.3s;
}

.nav__num {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--blood-bright);
  letter-spacing: 0.1em;
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--blood-bright);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.45s var(--ease-out);
}

.nav__link:hover,
.nav__link.is-active {
  color: var(--bone);
}

.nav__link:hover::after,
.nav__link.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav__tools {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  color: var(--bone);
  transition: border-color 0.3s, color 0.3s, background 0.3s;
}

.icon-btn:hover {
  border-color: var(--gold);
  color: var(--gold-bright);
}

.icon-btn svg {
  width: 20px;
  height: 20px;
}

.eagle-btn[aria-pressed="true"] {
  border-color: var(--gold-bright);
  color: var(--gold-bright);
  box-shadow: 0 0 16px rgba(216, 180, 119, 0.35);
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--bone-dim);
  transition: border-color 0.3s;
}

.lang-btn:hover {
  border-color: var(--gold);
}

.lang-btn [data-lang] {
  transition: color 0.3s;
}

.lang-btn [data-lang].is-current {
  color: var(--blood-bright);
}

.eagle-vision .lang-btn [data-lang].is-current {
  color: var(--gold-bright);
}

.nav__toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
}

.nav__toggle span:not(.sr-only) {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 1px;
  background: var(--bone);
  transition: transform 0.4s var(--ease-out), top 0.4s var(--ease-out);
}

.nav__toggle span:nth-child(1) {
  top: 15px;
}

.nav__toggle span:nth-child(2) {
  top: 24px;
}

.menu-open .nav__toggle span:nth-child(1) {
  top: 19px;
  transform: rotate(45deg);
}

.menu-open .nav__toggle span:nth-child(2) {
  top: 19px;
  transform: rotate(-45deg);
}

.sync-meter {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: transparent;
}

.sync-meter__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--blood), var(--blood-bright));
  box-shadow: 0 0 10px var(--blood-bright);
  transform-origin: left;
  transform: scaleX(var(--sync, 0));
}

.eagle-vision .sync-meter__fill {
  background: var(--gold-bright);
  box-shadow: 0 0 10px var(--gold-bright);
}

.hud-sync {
  position: fixed;
  left: clamp(12px, 2vw, 28px);
  bottom: clamp(12px, 2.4vh, 28px);
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--animus);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.5s, transform 0.5s var(--ease-out);
  pointer-events: none;
}

.hud-sync.is-visible {
  opacity: 0.8;
  transform: none;
}

.hud-sync__dna {
  width: 14px;
  height: 28px;
}

.hud-sync__value {
  color: var(--bone);
}

@media (max-width: 900px) {
  .nav__toggle {
    display: inline-block;
  }

  .nav__menu {
    position: fixed;
    inset: 0;
    z-index: -1;
    display: grid;
    align-content: center;
    padding: calc(var(--nav-h) + 24px) var(--gutter) 48px;
    background:
      radial-gradient(ellipse at 50% 100%, rgba(164, 22, 26, 0.25), transparent 60%),
      var(--ink);
    clip-path: circle(0% at calc(100% - 40px) 34px);
    transition: clip-path 0.7s var(--ease-in-out);
    visibility: hidden;
  }

  .menu-open .nav__menu {
    clip-path: circle(150% at calc(100% - 40px) 34px);
    visibility: visible;
  }

  .nav__list {
    flex-direction: column;
    gap: 6px;
  }

  .nav__link {
    gap: 16px;
    padding: 12px 0;
    font-size: clamp(1.6rem, 7vw, 2.4rem);
    letter-spacing: 0.1em;
  }

  .nav__num {
    font-size: 0.8rem;
  }

  .nav__link::after {
    display: none;
  }

  .nav__name {
    display: none;
  }
}

.hero {
  position: relative;
  isolation: isolate;
  display: grid;
  align-items: center;
  min-height: 100vh;
  min-height: 100svh;
  padding-top: var(--nav-h);
  overflow: hidden;
  background: linear-gradient(180deg, var(--sky-top) 0%, var(--sky-mid) 42%, var(--sky-low) 80%, var(--sky-mid) 100%);
  transition: background 0.8s;
}

.hero__sun {
  position: absolute;
  left: 68%;
  top: 58%;
  z-index: -3;
  width: min(62vw, 620px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--sun) 70%, transparent) 0%, color-mix(in srgb, var(--blood-bright) 22%, transparent) 38%, transparent 68%);
  transform: translate(-50%, -50%);
  transition: background 0.8s;
}

.hero__layer {
  position: absolute;
  left: -5%;
  bottom: 0;
  width: 110%;
  max-width: none;
  pointer-events: none;
  will-change: transform;
  transition: filter 0.8s;
}

.hero__layer--far {
  z-index: -3;
  height: clamp(280px, 50vh, 520px);
  opacity: 0.9;
}

.hero__layer--mid {
  z-index: -2;
  height: clamp(200px, 36vh, 380px);
}

.hero__layer--near {
  z-index: -1;
  bottom: -2px;
  height: clamp(130px, 22vh, 250px);
}

.eagle-vision .hero__layer {
  filter: grayscale(1) brightness(0.7) sepia(0.4) hue-rotate(170deg) saturate(2);
}

.hero__fog {
  position: absolute;
  left: -50%;
  width: 200%;
  pointer-events: none;
  filter: blur(18px);
}

.hero__fog--back {
  z-index: -2;
  bottom: 18%;
  height: 34%;
  background:
    radial-gradient(ellipse 30% 50% at 25% 60%, rgba(232, 226, 214, 0.1), transparent 70%),
    radial-gradient(ellipse 26% 40% at 70% 50%, rgba(232, 226, 214, 0.08), transparent 70%);
  animation: fog-drift 70s linear infinite alternate;
}

.hero__fog--front {
  z-index: -1;
  bottom: 2%;
  height: 26%;
  background:
    radial-gradient(ellipse 34% 50% at 40% 60%, rgba(232, 226, 214, 0.08), transparent 70%),
    radial-gradient(ellipse 30% 45% at 85% 55%, rgba(232, 226, 214, 0.07), transparent 70%);
  animation: fog-drift 45s linear infinite alternate-reverse;
}

@keyframes fog-drift {
  from { transform: translateX(0); }
  to { transform: translateX(25%); }
}

.hero__dust {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero__eagle {
  position: absolute;
  top: 0;
  left: 0;
  z-index: -2;
  width: clamp(64px, 7vw, 110px);
  color: #0a0507;
  opacity: 0;
  pointer-events: none;
  filter: drop-shadow(0 0 1px rgba(255, 110, 70, 0.9)) drop-shadow(0 0 10px rgba(193, 18, 31, 0.55));
  transition: filter 0.6s;
}

.eagle-vision .hero__eagle {
  filter: drop-shadow(0 0 1px var(--gold-bright)) drop-shadow(0 0 12px rgba(216, 180, 119, 0.8));
}

.hero__content {
  position: relative;
  display: grid;
  gap: clamp(16px, 2.4vh, 26px);
  padding-bottom: clamp(140px, 24vh, 260px);
}

.hero__name {
  display: grid;
  font-size: clamp(3rem, 1.2rem + 8vw, 8rem);
  font-weight: 900;
  line-height: 0.92;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero__name-first {
  color: var(--bone);
  text-shadow: 0 0 40px rgba(193, 18, 31, 0.35);
}

.hero__name-last {
  color: var(--bone);
  filter: url(#text-outline);
}

.hero__role {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 0.8rem + 0.6vw, 1.3rem);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold-bright);
}

.hero__role::before {
  content: "";
  width: 10px;
  height: 10px;
  border: 1px solid var(--blood-bright);
  transform: rotate(45deg);
}

.hero__creed {
  max-width: 34ch;
  padding-left: 18px;
  border-left: 2px solid var(--blood-bright);
  font-size: clamp(1.15rem, 1rem + 0.7vw, 1.55rem);
  font-style: italic;
  line-height: 1.4;
  color: var(--bone);
}

.hero__creed cite {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-style: normal;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--bone-dim);
}

.hero__intro {
  max-width: 46ch;
  color: var(--bone-dim);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 8px;
}

.scroll-blade {
  position: absolute;
  left: 50%;
  bottom: clamp(18px, 4vh, 36px);
  display: grid;
  justify-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--bone-dim);
  transform: translateX(-50%);
}

.scroll-blade__sheath {
  position: relative;
  width: 14px;
  height: 46px;
  overflow: hidden;
}

.scroll-blade__sheath::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  width: 6px;
  height: 34px;
  background: linear-gradient(180deg, var(--bone), #8d8a84);
  clip-path: polygon(50% 100%, 0 30%, 0 0, 100% 0, 100% 30%);
  transform: translateX(-50%);
  animation: blade-out 2.2s var(--ease-in-out) infinite;
}

.scroll-blade__sheath::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 10px;
  background: var(--blood);
}

@keyframes blade-out {
  0%, 15% { transform: translate(-50%, -30px); }
  45%, 65% { transform: translate(-50%, 12px); }
  100% { transform: translate(-50%, -30px); }
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 80px;
  background: linear-gradient(transparent, var(--ink));
  pointer-events: none;
}

@media (max-width: 640px) {
  .hero__name-last {
    filter: url(#text-outline-thin);
  }

  .hero__content {
    padding-bottom: clamp(150px, 26vh, 220px);
  }

  .scroll-blade span:not(.scroll-blade__sheath) {
    display: none;
  }
}

.footer {
  position: relative;
  padding: 72px 0 40px;
  border-top: 1px solid var(--line);
  background: var(--ink);
  text-align: center;
}

.footer__inner {
  display: grid;
  justify-items: center;
  gap: 18px;
}

.footer__insignia {
  width: 54px;
  height: 54px;
  opacity: 0.9;
}

.footer__rip {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--bone);
}

.footer__meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--bone-dim);
}

.footer__disclaimer {
  max-width: 60ch;
  font-size: 0.85rem;
  font-style: italic;
  color: var(--bone-dim);
  opacity: 0.75;
}

.footer__credit {
  max-width: 60ch;
  font-size: 0.8rem;
  font-style: italic;
  color: var(--bone-dim);
  opacity: 0.7;
}

.footer__credit + .footer__credit {
  margin-top: -10px;
}

.footer__credit a {
  color: var(--gold-bright);
  border-bottom: 1px solid rgba(216, 180, 119, 0.4);
  transition: border-color 0.3s;
}

.footer__credit a:hover {
  border-bottom-color: var(--gold-bright);
}

.footer__top {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-bright);
}

.footer__hint {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--bone-dim);
  opacity: 0.55;
  transition: opacity 0.3s;
}

.footer__hint:hover {
  opacity: 0.9;
}

.footer__kbd {
  padding: 2px 8px 3px;
  border: 1px solid rgba(176, 141, 87, 0.6);
  border-bottom-width: 2px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--gold-bright);
  transition: background 0.3s, transform 0.15s;
}

.footer__kbd:hover {
  background: rgba(216, 180, 119, 0.12);
}

.footer__kbd:active {
  transform: translateY(1px);
}

.footer__top svg {
  width: 14px;
  height: 14px;
  transition: transform 0.4s var(--ease-out);
}

.footer__top:hover svg {
  transform: translateY(-4px);
}

@media (max-width: 1359px) {
  .hud-sync {
    display: none;
  }
}