/* PRISME / Phase 1. System fonts: no CDN, no font request, no tracking. */
:root {
  color-scheme: dark;
  --ink: #08090b;
  --paper: #f5f3ed;
  --muted: #a7a7a4;
  --gold: #c9a86a;
  --rule: #292a2d;
  --sans: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --serif: 'Iowan Old Style', 'Palatino Linotype', 'Book Antiqua', Georgia, serif;
  --gutter: clamp(1.5rem, 5.55vw, 7.5rem);
}
*, *::before, *::after { box-sizing: border-box; }
html { background: var(--ink); scroll-behavior: smooth; }
body { margin: 0; color: var(--paper); background: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
button, a { touch-action: manipulation; }
button:not(:disabled) { cursor: pointer; }
[hidden] { display: none !important; }
::selection { color: var(--ink); background: var(--gold); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 7px; }
.shell { padding-inline: var(--gutter); max-width: 1800px; margin-inline: auto; }
.skip-link { position: fixed; top: 1rem; left: 1rem; z-index: 10; padding: 1rem; color: var(--ink); background: var(--paper); transform: translateY(-200%); }
.skip-link:focus { transform: none; }
.site-header { min-height: 122px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; position: relative; z-index: 2; }
.brand__name { display: inline-flex; flex-direction: column; gap: .5rem; font-size: 1.9rem; font-weight: 500; letter-spacing: .19em; line-height: 1; }
.brand__note { color: var(--muted); font-size: .57rem; letter-spacing: .16em; font-weight: 400; text-transform: uppercase; }
.custom-logo-link { display: inline-block; }
.custom-logo { display: block; max-width: 180px; height: auto; }
.official-logo { display: block; width: 204px; height: 50px; overflow: hidden; }
.official-logo img { display: block; width: 204px; height: 50px; object-fit: cover; object-position: 50% 49.5%; }
.site-header__nav { display: flex; align-items: center; }
.site-header__signature { margin: 0; color: var(--muted); font-size: .72rem; letter-spacing: .09em; }
.site-header__link { display: inline-flex; align-items: center; min-height: 44px; gap: 2.5rem; font-size: .75rem; }
.site-header__link span { color: var(--gold); font-size: 1.1rem; }
.hero { position: relative; isolation: isolate; min-height: min(840px, calc(100svh - 122px)); display: flex; flex-direction: column; justify-content: flex-start; overflow: clip; border-bottom: 1px solid var(--rule); }
.hero__content { position: relative; z-index: 1; margin-block: 3.4rem 5rem; width: 100%; }
.eyebrow { font-size: .62rem; font-weight: 400; letter-spacing: .2em; text-transform: uppercase; }
.hero__eyebrow { display: flex; align-items: center; gap: 1rem; margin: 0 0 2.7rem; color: var(--gold); }
.gold-line { width: 2.5rem; height: 1px; background: var(--gold); }
.hero__premise { margin: 0 0 1.35rem; max-width: 550px; color: #b8b8b5; font-size: clamp(1.05rem, 1.5vw, 1.4rem); line-height: 1.5; font-weight: 400; letter-spacing: -.02em; }
h1 { margin: 0; font-size: clamp(3rem, 6.7vw, 7.3rem); font-weight: 400; letter-spacing: -.065em; line-height: 1.055; }
h1 em { color: var(--gold); font-family: var(--serif); font-weight: 400; letter-spacing: -.067em; }
.hero__lead { display: block; }
.hero h1 { max-width: 1000px; font-size: clamp(3rem, 6.15vw, 6.9rem); }
.hero__description { max-width: 375px; margin-block: 2rem 1.9rem; min-height: 4.5rem; color: var(--muted); font-size: .9rem; line-height: 1.65; }
.hero__description p { margin: 0; }
.regard-button { display: inline-flex; align-items: center; justify-content: space-between; gap: 2rem; min-height: 54px; padding: 0 0 .6rem; background: none; border: 0; border-bottom: 1px solid var(--gold); font-size: .8rem; line-height: 1.5; }
.regard-button__arrow { display: grid; place-items: center; width: 30px; height: 30px; color: var(--gold); font-size: 1.35rem; transition: transform .3s ease; }
.regard-button:hover .regard-button__arrow { transform: translate(3px, -3px); }
.hero__art { position: absolute; z-index: -1; width: 71%; height: 100%; right: -10%; top: 0; pointer-events: none; }
.hero__halo { position: absolute; inset: 8% 0 0; background: radial-gradient(ellipse at 57% 48%, #c9a86a0d, transparent 57%); }
.prism { position: absolute; width: 100%; height: 100%; overflow: visible; }
.prism__object { transform-origin: 53% 50%; transition: transform 1.6s cubic-bezier(.2,.65,.3,1); }
.prism__rays { opacity: .46; transform-origin: 54% 49%; transition: opacity 1.6s, transform 1.6s; }
.hero__art-caption { position: absolute; bottom: 14%; left: 42%; display: flex; flex-direction: column; gap: .7rem; color: var(--muted); font-size: .65rem; letter-spacing: .08em; line-height: 1.5; }
.hero__art-caption span:first-child { color: var(--gold); letter-spacing: .2em; }
.hero__index { margin: 0; color: var(--muted); font-size: .68rem; letter-spacing: .07em; }
.hero__index span { color: var(--gold); margin-right: 1rem; }
.site-footer { display: flex; justify-content: space-between; gap: 1rem; padding-block: 1.1rem; color: var(--muted); font-size: .68rem; letter-spacing: .06em; line-height: 1.6; }
.site-footer p { margin: 0; }
.fallback { padding-block: 6rem; min-height: 65vh; }
.fallback h1 { font-size: clamp(2rem, 5vw, 4rem); max-width: 900px; }
.fallback a { display: inline-block; padding-block: 1rem; text-decoration: underline; text-underline-offset: .4em; }
@keyframes prisme-arrive { from { transform: translateY(10px); } to { transform: none; } }
@media (prefers-reduced-motion: no-preference) {
  .hero--ready .hero__eyebrow { animation: prisme-arrive .7s both; }
  .hero--ready .hero__premise { animation: prisme-arrive .8s .1s both; }
  .hero--ready h1 { animation: prisme-arrive .9s .2s both; }
  .hero--ready .hero__description { animation: prisme-arrive .9s .3s both; }
  .hero--ready .regard-button { animation: prisme-arrive .9s .4s both; }
}
@media (min-width: 1800px) { .hero__art { max-width: 1350px; right: calc((100vw - 1800px) / 2 - 180px); } }
@media (max-width: 1000px) {
  .site-header { min-height: 100px; }
  .site-header__signature { display: none; }
  .hero { min-height: calc(100svh - 100px); }
  .hero__art { width: 85%; right: -22%; opacity: .65; }
  .hero__content { margin-top: 3rem; }
  .hero__art-caption { display: none; }
}
@media (max-width: 600px) {
  .site-header { min-height: 96px; gap: 1rem; }
  .brand__name { font-size: 1.45rem; }
  .brand__note { font-size: .55rem; }
  .site-header__link { gap: 1.3rem; font-size: .68rem; }
  .hero { min-height: calc(100svh - 96px); }
  .hero__content { margin-block: 1.65rem 2.7rem; }
  .hero__eyebrow { font-size: .625rem; letter-spacing: .09em; line-height: 1.6; gap: .75rem; margin-bottom: 2.4rem; }
  .gold-line { width: 1.3rem; flex-shrink: 0; }
  .hero__premise { font-size: 1.02rem; max-width: 300px; margin-bottom: 1.2rem; }
  h1, .hero h1 { font-size: clamp(2.35rem, 9.9vw, 3.8rem); letter-spacing: -.06em; line-height: 1.13; }
  .official-logo, .official-logo img { width: 152px; height: 42px; }
  .site-header__link { gap: .7rem; }
  .hero__description { margin-block: 1.6rem 1.25rem; max-width: 295px; font-size: .81rem; min-height: 4.1rem; }
  .regard-button { font-size: .74rem; min-height: 52px; }
  .hero__art { width: 130%; height: 75%; top: 5%; right: -63%; opacity: .45; }
  .hero__art::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, var(--ink), transparent 65%); }
  .site-footer { flex-direction: column; gap: .2rem; font-size: .68rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media (forced-colors: active) { .hero__art { display: none; } .regard-button { border: 1px solid ButtonText; padding: .8rem; } }