/* Opening sequence only. All shared styles and following sections stay intact. */
.opening {
    height: auto;
    color: #fff;
    background: var(--navy);
}
.opening.is-animated { height: 210svh; }
.opening .opening-stage {
    position: sticky;
    top: 0;
    height: 100svh;
    min-height: 720px;
    overflow: hidden;
    background:
        radial-gradient(1100px 700px at 78% 18%, rgba(0, 121, 180, .28), transparent 60%),
        radial-gradient(900px 600px at 12% 88%, rgba(178, 164, 109, .12), transparent 55%),
        linear-gradient(160deg, var(--navy-2) 0%, var(--navy) 45%, var(--navy-deep) 100%);
}
.opening .opening-content {
    width: min(1140px, 100% - 3rem);
    height: 100%;
    margin-inline: auto;
    position: relative;
    display: flex;
    align-items: center;
    padding: calc(var(--header-h) + 24px) 0 96px;
}
.opening .opening-copy { position: relative; z-index: 2; width: 58%; }
.opening .opening-eyebrow { color: var(--gold-light); font-size: .8125rem; font-weight: 500; letter-spacing: .04em; margin-bottom: 28px; }
.opening .opening-eyebrow span { color: #c5d7e0; margin-left: 18px; }
.opening h1 { font-family: var(--font-display); font-size: clamp(3.4rem, 6.7vw, 5.9rem); line-height: 1.04; font-weight: 800; letter-spacing: -.035em; }
.opening h1 > span { color: var(--gold-light); }
.opening .opening-description { max-width: 450px; margin-top: 28px; color: #cadbe5; font-size: 1.0625rem; line-height: 1.65; }
.opening .opening-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; margin-top: 30px; }
.opening .opening-actions .btn { padding: 12px 20px; font-size: .875rem; }
.opening .assembly { position: absolute; left: 76%; top: 50%; width: 440px; height: 440px; transform: translate(-50%, -50%); pointer-events: none; }
.opening .assembly-halo { position: absolute; inset: -40%; background: radial-gradient(ellipse, #258cc426, transparent 65%); }
.opening .assembly-dots { position: absolute; inset: 0; transform: rotate(-12deg); }
.opening.is-animated .assembly { will-change: translate; }
.opening.is-animated .assembly-dots { will-change: transform; }
.opening.is-animated .opening-copy, .opening.is-animated .opening-next { will-change: transform, opacity; }
.opening .assembly-dot { position: absolute; top: 50%; left: 50%; width: 104px; height: 104px; margin: -52px; transform: translate(var(--x), var(--y)); }
.opening.is-animated .assembly-dot { will-change: transform; }
.opening .assembly-dot span { display: block; width: 100%; height: 100%; border-radius: 50%; box-shadow: inset -8px -12px 20px #00182740, inset 3px 3px 8px #ffffff80, 12px 20px 26px -12px #00121e80; }
/* Independent translation lets the idle drift blend with entrance and scroll transforms. */
.opening.is-animated .assembly-dot span {
    animation: opening-float calc(7s + var(--i) * .45s) ease-in-out infinite;
    animation-delay: calc(var(--i) * -.85s);
    animation-play-state: var(--float-play-state, running);
}
.opening.is-animated.is-settled .assembly-dot span { animation-play-state: paused; }
@keyframes opening-float {
    0%, 100% { translate: calc(-5px * var(--float-strength, 1)) calc(3px * var(--float-strength, 1)); }
    33% { translate: calc(5px * var(--float-strength, 1)) calc(-8px * var(--float-strength, 1)); }
    66% { translate: calc(8px * var(--float-strength, 1)) calc(4px * var(--float-strength, 1)); }
}
.opening .assembly-dot.blue span { background: radial-gradient(circle at 29% 22%, #c5eaf4 0%, #73b9d4 16%, #1682b3 40%, #006196 69%, #033a66 100%); }
.opening .assembly-dot.gold span { background: radial-gradient(circle at 29% 22%, #fbf6da 0%, #e1d4a5 20%, #baab72 45%, #8d7d49 74%, #695b35 100%); }
.opening .assembly-caption { opacity: 0; position: absolute; bottom: -42px; left: -15%; width: 130%; text-align: center; color: #b5ccd9; font-size: .8125rem; letter-spacing: .04em; }
.opening .opening-next { position: absolute; z-index: 1; left: 53%; width: 47%; opacity: 0; visibility: hidden; transform: translateY(30px); }
.opening .opening-next h2 { font-family: var(--font-display); font-size: clamp(3.6rem, 6.5vw, 5.8rem); font-weight: 700; line-height: 1.06; letter-spacing: -.045em; }
.opening .opening-next h2 span { color: var(--gold-light); }
.opening .opening-next > p:last-child { max-width: 400px; margin-top: 28px; font-size: 1.125rem; color: #cadbe5; }
.opening .opening-bottom { position: absolute; bottom: 30px; left: 50%; width: min(1140px, 100% - 3rem); transform: translateX(-50%); display: flex; align-items: center; justify-content: center; color: #b5ccd9; font-size: .8125rem; }
.opening .opening-advance {
    display: flex; align-items: center; justify-content: center;
    width: 164px; height: 64px; border: 1px solid transparent; border-radius: 999px;
    color: #fff; text-decoration: none; cursor: pointer; -webkit-tap-highlight-color: transparent;
    transition: background .5s ease, border-color .5s ease, box-shadow .5s ease;
}
.opening .opening-advance:is(:hover, :focus-visible) {
    background: #ffffff08; border-color: #b9dbea26;
    box-shadow: 0 0 30px #56b3e025, inset 0 0 22px #d8c78c0d;
}
.opening .opening-pagination { display: flex; align-items: center; gap: 12px; font-size: .75rem; font-variant-numeric: tabular-nums; }
.opening .pagination-track { position: relative; width: 54px; height: 28px; transition: transform .55s var(--ease-out); }
.opening .pagination-wing { position: absolute; top: 14px; left: 0; width: 27px; height: 1.5px; border-radius: 2px; background: #a7c8d9; transform-origin: right center; transition: transform .55s var(--ease-out), background .4s; }
.opening .pagination-wing + .pagination-wing { left: 27px; transform-origin: left center; }
.opening .pagination-track::after { content: ''; position: absolute; top: 14px; height: 1.5px; width: 100%; transform: scaleX(var(--progress, 0)); transform-origin: left; background: var(--gold-light); transition: opacity .25s; }
.opening .opening-pagination b { color: #fff; font-weight: 500; transition: opacity .3s, transform .5s var(--ease-out); }
.opening .opening-advance:is(:hover, :focus-visible) .pagination-track { transform: translateY(5px) scale(.7); }
.opening .opening-advance:is(:hover, :focus-visible) .pagination-wing { transform: rotate(40deg); background: var(--gold-light); }
.opening .opening-advance:is(:hover, :focus-visible) .pagination-wing + .pagination-wing { transform: rotate(-40deg); }
.opening .opening-advance:is(:hover, :focus-visible) .pagination-track::after { opacity: 0; }
.opening .opening-advance:is(:hover, :focus-visible) .opening-pagination b { opacity: 0; transform: translateX(10px); }
.opening .opening-advance:is(:hover, :focus-visible) .opening-pagination b:last-child { transform: translateX(-10px); }
.opening :focus-visible { outline: 3px solid var(--gold-light); outline-offset: 6px; }

@media (max-width: 1100px) {
    .opening .assembly { left: 78%; scale: .82; transform-origin: 0 0; }
    .opening .opening-actions { gap: 12px; }
    .opening .opening-bottom { font-size: .75rem; }
}
@media (max-width: 760px) {
    .opening.is-animated { height: 205svh; }
    .opening .opening-stage { min-height: 820px; }
    .opening .opening-content { width: calc(100% - 40px); align-items: flex-start; padding-top: calc(var(--header-h) + 36px); }
    .opening .opening-copy { width: 100%; }
    .opening .opening-eyebrow { font-size: .75rem; margin-bottom: 22px; }
    .opening h1 { font-size: clamp(2.5rem, 10.5vw, 4.75rem); }
    .opening .opening-description { font-size: 1rem; max-width: 380px; margin-top: 20px; }
    .opening .opening-actions { margin-top: 22px; }
    .opening .opening-actions .btn { padding: 10px 16px; font-size: .8125rem; }
    .opening .assembly { left: 50%; top: 79%; scale: .48; }
    .opening .assembly-caption { display: none; }
    .opening .opening-bottom { bottom: 20px; width: calc(100% - 40px); }
    .opening .opening-next { left: 0; top: calc(var(--header-h) + 40px); width: 100%; }
    .opening .opening-next h2 { font-size: clamp(2.8rem, 10.5vw, 4.5rem); }
    .opening .opening-next > p:last-child { font-size: 1rem; max-width: 360px; margin-top: 20px; }
}
@media (max-height: 740px) and (min-width: 761px) {
    .opening .opening-stage { min-height: 620px; }
    .opening h1 { font-size: clamp(3.4rem, 6.7vw, 5.25rem); }
    .opening .opening-eyebrow { margin-bottom: 18px; }
    .opening .opening-description { margin-top: 20px; }
    .opening .assembly { scale: .82; transform-origin: 0 0; }
}
@media (max-width: 380px) {
    .opening .opening-stage { min-height: 910px; }
}
.no-js .opening .opening-stage { position: relative; }
@media (prefers-reduced-motion: reduce) {
    .opening .assembly-dot span { animation: none; translate: none; }
    .opening.is-animated { height: auto; }
    .opening .opening-stage { position: relative; }
    .opening.is-animated .assembly, .opening.is-animated .assembly-dots,
    .opening.is-animated .assembly-dot, .opening.is-animated .opening-copy,
    .opening.is-animated .opening-next { will-change: auto; }
}