:root {
    /* Design typography tokens retained: Interface details: **Fragment Mono checksum strings Space Grotesk** Grotesk* wordmark */
    --void-black: #050509;
    --afterimage-violet: #8A5CFF;
    --telomere-cyan: #45F6E8;
    --archive-pearl: #F3EEE2;
    --corrosion-amber: #F2A93B;
    --dead-link-blue: #16213E;
    --soft-magenta-residue: #FF4FA3;
    --display: 'Space Grotesk', sans-serif;
    --editorial: 'Fraunces', serif;
    --mono: 'Fragment Mono', monospace;
}

* { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    background: var(--void-black);
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--archive-pearl);
    font-family: var(--display);
    background:
        radial-gradient(circle at 90% 8%, rgba(138, 92, 255, 0.15), transparent 32vw),
        radial-gradient(circle at 7% 70%, rgba(22, 33, 62, 0.78), transparent 40vw),
        var(--void-black);
    overflow-x: hidden;
    cursor: crosshair;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(90deg, transparent 0, rgba(243, 238, 226, 0.025) 50%, transparent 100%);
    background-size: 4px 100%;
    mix-blend-mode: screen;
    opacity: 0.28;
    z-index: 2;
}

.grain-layer {
    position: fixed;
    inset: 0;
    z-index: 3;
    pointer-events: none;
    opacity: 0.18;
    background-image:
        radial-gradient(circle at 10% 20%, rgba(243,238,226,0.35) 0 1px, transparent 1.5px),
        radial-gradient(circle at 90% 80%, rgba(69,246,232,0.2) 0 1px, transparent 1.5px),
        radial-gradient(circle at 40% 50%, rgba(255,79,163,0.16) 0 1px, transparent 1.5px);
    background-size: 77px 91px, 113px 131px, 151px 167px;
}

.boot-veil {
    position: fixed;
    inset: 0;
    z-index: 30;
    display: grid;
    place-items: end;
    padding: 3vw;
    background: var(--void-black);
    transition: opacity 1.2s ease, transform 1.2s ease, visibility 1.2s ease;
}

.boot-veil.is-gone {
    opacity: 0;
    transform: scale(1.04);
    visibility: hidden;
}

.boot-line {
    position: absolute;
    left: 6vw;
    bottom: 7vh;
    font: 13px var(--mono);
    color: var(--telomere-cyan);
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.boot-glyph {
    font: 800 clamp(4rem, 12vw, 12rem) var(--display);
    color: var(--afterimage-violet);
    text-shadow: 0 0 35px var(--afterimage-violet), 0 0 70px var(--soft-magenta-residue);
    animation: sealBlink 0.9s steps(2, end) infinite;
}

.edge-rail {
    position: fixed;
    z-index: 10;
    pointer-events: none;
    background: linear-gradient(90deg, transparent, var(--telomere-cyan), var(--afterimage-violet), transparent);
    box-shadow: 0 0 18px rgba(69, 246, 232, 0.45);
    opacity: 0.78;
    transform-origin: left top;
}

.edge-rail--top, .edge-rail--bottom { height: 1px; left: 26px; right: 26px; }
.edge-rail--top { top: 25px; animation: railDrawX 2.4s ease both 0.65s; }
.edge-rail--bottom { bottom: 25px; animation: railDrawX 2.4s ease both 0.9s; }
.edge-rail--left, .edge-rail--right { width: 1px; top: 26px; bottom: 26px; background: linear-gradient(180deg, transparent, var(--telomere-cyan), var(--afterimage-violet), transparent); }
.edge-rail--left { left: 25px; animation: railDrawY 2.4s ease both 0.8s; }
.edge-rail--right { right: 25px; animation: railDrawY 2.4s ease both 1.05s; }

.vertical-wordmark {
    position: fixed;
    left: 38px;
    top: 50%;
    transform: translateY(-50%) rotate(180deg);
    writing-mode: vertical-rl;
    z-index: 12;
    font: 700 clamp(1.2rem, 2.3vw, 2.4rem) var(--display);
    letter-spacing: 0.12em;
    color: var(--archive-pearl);
    text-shadow: 0 0 18px rgba(243, 238, 226, 0.15);
}

.end-mark-nav {
    position: fixed;
    right: 42px;
    top: 50%;
    z-index: 12;
    display: flex;
    flex-direction: column;
    gap: 18px;
    transform: translateY(-50%);
}

.end-mark {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    border: 1px solid rgba(243, 238, 226, 0.36);
    background: var(--dead-link-blue);
    box-shadow: 0 0 0 transparent;
    position: relative;
    transition: background 0.4s ease, box-shadow 0.4s ease, transform 0.4s ease;
}

.end-mark span {
    position: absolute;
    right: 24px;
    top: -7px;
    white-space: nowrap;
    color: var(--archive-pearl);
    font: 11px var(--mono);
    letter-spacing: 0.08em;
    opacity: 0;
    transform: translateX(10px);
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.end-mark:hover span, .end-mark.is-active span { opacity: 1; transform: translateX(0); }
.end-mark.is-active { background: var(--telomere-cyan); box-shadow: 0 0 22px var(--telomere-cyan); transform: scale(1.35); }

.boundary-room {
    min-height: 100vh;
    position: relative;
    padding: clamp(5rem, 8vw, 8rem);
    overflow: hidden;
    isolation: isolate;
    background:
        radial-gradient(circle at var(--glow-x, 72%) var(--glow-y, 38%), rgba(138, 92, 255, 0.16), transparent 24rem),
        linear-gradient(145deg, rgba(22, 33, 62, 0.28), transparent 40%, rgba(5, 5, 9, 0.92));
}

.boundary-room::before {
    content: attr(data-chapter);
    position: absolute;
    right: -0.11em;
    bottom: -0.28em;
    z-index: -1;
    font: 700 clamp(14rem, 34vw, 42rem) var(--display);
    color: rgba(243, 238, 226, 0.025);
    letter-spacing: -0.12em;
}

.room-field { position: absolute; inset: 0; pointer-events: none; }

.floating-glyph {
    position: absolute;
    color: var(--archive-pearl);
    font-family: var(--mono);
    opacity: 0.7;
    filter: drop-shadow(0 0 14px rgba(69, 246, 232, 0.45));
    transform: translate3d(var(--drift-x, 0), var(--drift-y, 0), 0);
    transition: opacity 0.7s ease;
}
.g1 { left: 58%; top: 28%; font-size: 4.2rem; color: var(--afterimage-violet); }
.g2 { left: 43%; top: 57%; font-size: 0.86rem; color: var(--telomere-cyan); letter-spacing: 0.3em; }
.g3 { left: 73%; top: 64%; font-size: 1.2rem; color: var(--corrosion-amber); }

.corner-plaque {
    position: absolute;
    max-width: min(33rem, 72vw);
    padding: 1.2rem 1.35rem;
    border: 1px solid rgba(243, 238, 226, 0.12);
    background: linear-gradient(135deg, rgba(22, 33, 62, 0.58), rgba(5, 5, 9, 0.28));
    backdrop-filter: blur(18px);
    box-shadow: inset 0 0 0 1px rgba(69, 246, 232, 0.05), 0 0 48px rgba(5, 5, 9, 0.55);
}

.plaque-top-right { right: 7vw; top: 8vh; }
.plaque-top-left { left: 9vw; top: 9vh; }
.plaque-bottom-left { left: 8vw; bottom: 9vh; }
.plaque-bottom-right { right: 8vw; bottom: 9vh; }

.mono-label {
    display: block;
    margin-bottom: 0.7rem;
    color: var(--telomere-cyan);
    font: 12px var(--mono);
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

h1, h2 {
    margin: 0;
    font: 700 clamp(3.2rem, 8.2vw, 9rem) / 0.86 var(--display);
    letter-spacing: -0.08em;
    color: var(--archive-pearl);
}

.boundary-statement {
    position: absolute;
    margin: 0;
    max-width: 38rem;
    font: 600 clamp(1.8rem, 4.3vw, 5.8rem) / 0.95 var(--editorial);
    color: var(--archive-pearl);
    text-wrap: balance;
}
.statement-bottom-left { left: 8vw; bottom: 10vh; }
.statement-top-right { right: 8vw; top: 10vh; text-align: right; }

.vault-caption {
    position: absolute;
    margin: 0;
    max-width: 24rem;
    font: 300 clamp(1.1rem, 1.8vw, 1.65rem) / 1.35 var(--editorial);
    color: rgba(243, 238, 226, 0.78);
}
.caption-right { right: 7vw; bottom: 14vh; }
.caption-bottom-right { right: 8vw; bottom: 10vh; }
.caption-left { left: 8vw; top: 20vh; }

.endcap-glyph.pulsing-endcap {
    position: absolute;
    right: 9vw;
    bottom: 11vh;
    width: 26px;
    height: 26px;
    border: 1px solid var(--telomere-cyan);
    border-radius: 50%;
    box-shadow: 0 0 30px var(--telomere-cyan), inset 0 0 12px rgba(69, 246, 232, 0.3);
    animation: pulseCap 2.2s ease-in-out infinite;
}
.pulsing-endcap span { position: absolute; inset: 8px; border-radius: 50%; background: var(--telomere-cyan); }

.sealed-tail {
    position: absolute;
    width: min(390px, 42vw);
    height: 12px;
}
.tail-lower { right: 12vw; bottom: 9vh; }
.tail-upper { left: 11vw; bottom: 11vh; }
.sealed-tail i {
    display: block;
    height: 1px;
    margin-top: 6px;
    background-image: linear-gradient(90deg, var(--corrosion-amber) 35%, transparent 0);
    background-size: 14px 1px;
    opacity: 0.75;
}
.sealed-tail b {
    position: absolute;
    right: -18px;
    top: 0;
    width: 34px;
    height: 12px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--afterimage-violet), var(--telomere-cyan));
    box-shadow: 0 0 24px rgba(69, 246, 232, 0.75);
}

.checksum-orbit {
    position: absolute;
    left: 50%;
    top: 52%;
    width: min(62vw, 620px);
    aspect-ratio: 1;
    transform: translate(-50%, -50%);
}
.checksum-orbit svg { width: 100%; height: 100%; overflow: visible; }
.orbit-path, .orbit-thread, .sigil-path, .sigil-ring, .broken-link {
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.orbit-path { stroke: rgba(138, 92, 255, 0.55); stroke-width: 1; stroke-dasharray: 2 12; }
.orbit-path-b { stroke: rgba(69, 246, 232, 0.45); }
.orbit-thread { stroke: rgba(243, 238, 226, 0.22); stroke-width: 1.25; stroke-dasharray: 720; stroke-dashoffset: calc(720px - (var(--room-progress, 0) * 720px)); }
.checksum-bead {
    position: absolute;
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--void-black);
    border: 1px solid var(--telomere-cyan);
    color: var(--telomere-cyan);
    font: 11px var(--mono);
    box-shadow: 0 0 22px rgba(69, 246, 232, 0.42);
    transform: rotate(var(--angle)) translateX(clamp(86px, 20vw, 205px)) rotate(calc(var(--angle) * -1));
    left: calc(50% - 21px);
    top: calc(50% - 21px);
}
.bead-a { --angle: 22deg; }
.bead-b { --angle: 137deg; color: var(--corrosion-amber); border-color: var(--corrosion-amber); }
.bead-c { --angle: 244deg; color: var(--afterimage-violet); border-color: var(--afterimage-violet); }
.bead-d { --angle: 315deg; color: var(--soft-magenta-residue); border-color: var(--soft-magenta-residue); }
.orbit-core {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 34%;
    aspect-ratio: 1;
    border-radius: 50%;
    border: 1px solid rgba(243, 238, 226, 0.15);
    display: grid;
    place-items: center;
    background: radial-gradient(circle, rgba(69, 246, 232, 0.12), rgba(22, 33, 62, 0.28), transparent 70%);
}
.orbit-core span { font: 12px var(--mono); color: var(--archive-pearl); letter-spacing: 0.12em; text-transform: uppercase; }

.link-constellation {
    position: absolute;
    inset: 12vh 11vw;
}
.link-constellation svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.broken-link { stroke: rgba(242, 169, 59, 0.46); stroke-width: 1; stroke-dasharray: 11 15; filter: drop-shadow(0 0 7px rgba(242, 169, 59, 0.35)); }
.link-star {
    position: absolute;
    z-index: 2;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 1px solid rgba(243, 238, 226, 0.45);
    background: radial-gradient(circle, var(--archive-pearl), var(--corrosion-amber) 38%, transparent 68%);
    box-shadow: 0 0 18px rgba(242, 169, 59, 0.66);
    cursor: crosshair;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.link-star:hover { transform: scale(1.8); box-shadow: 0 0 28px var(--soft-magenta-residue), 0 0 55px rgba(255, 79, 163, 0.36); }
.star-a { left: 10%; top: 66%; }
.star-b { left: 29%; top: 39%; }
.star-c { left: 47%; top: 52%; }
.star-d { left: 72%; top: 21%; }
.star-e { left: 88%; top: 77%; }
.ghost-url {
    position: absolute;
    right: 0;
    bottom: 0;
    padding: 0.8rem 1rem;
    color: var(--soft-magenta-residue);
    border: 1px solid rgba(255, 79, 163, 0.32);
    background: rgba(5, 5, 9, 0.66);
    font: 12px var(--mono);
    letter-spacing: 0.08em;
    opacity: 0.54;
    box-shadow: 0 0 26px rgba(255, 79, 163, 0.12);
}
.bracket-glyph {
    position: absolute;
    right: 12vw;
    bottom: 15vh;
    color: var(--afterimage-violet);
    font: 700 clamp(2rem, 6vw, 7rem) var(--display);
    text-shadow: 0 0 35px rgba(138, 92, 255, 0.78);
}

.cap-ceremony-stage {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
}
.ceremony-line {
    position: absolute;
    width: min(68vw, 820px);
    height: 70px;
    display: flex;
    align-items: center;
    gap: 22px;
}
.ceremony-line i {
    flex: 1;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--telomere-cyan), var(--archive-pearl), var(--telomere-cyan), transparent);
    box-shadow: 0 0 24px rgba(69, 246, 232, 0.55);
    transform: scaleX(calc(0.35 + var(--room-progress, 0) * 0.65));
}
.clamp {
    display: grid;
    place-items: center;
    width: 78px;
    height: 78px;
    border-radius: 20px;
    color: var(--telomere-cyan);
    border: 1px solid rgba(69, 246, 232, 0.52);
    background: rgba(22, 33, 62, 0.28);
    font: 700 3rem var(--display);
    box-shadow: 0 0 34px rgba(69, 246, 232, 0.28);
}
.clamp-left { transform: translateX(calc(var(--room-progress, 0) * 80px)); }
.clamp-right { transform: translateX(calc(var(--room-progress, 0) * -80px)); }
.wax-seal {
    width: clamp(150px, 20vw, 250px);
    aspect-ratio: 1;
    border-radius: 50%;
    display: grid;
    place-items: center;
    text-align: center;
    color: var(--archive-pearl);
    font: 600 clamp(1rem, 2vw, 1.6rem) var(--editorial);
    background:
        radial-gradient(circle at 35% 30%, rgba(255, 79, 163, 0.38), transparent 28%),
        radial-gradient(circle, var(--afterimage-violet), rgba(22, 33, 62, 0.72) 66%, transparent 67%);
    box-shadow: 0 0 54px rgba(138, 92, 255, 0.42), inset 0 0 45px rgba(5, 5, 9, 0.46);
    transform: scale(calc(0.85 + var(--room-progress, 0) * 0.15));
}
.bracket-sigil {
    position: absolute;
    width: min(50vw, 420px);
    opacity: 0.44;
    transform: rotate(calc(var(--room-progress, 0) * 45deg));
}
.sigil-path { stroke: var(--archive-pearl); stroke-width: 3; }
.sigil-ring { stroke: var(--soft-magenta-residue); stroke-width: 1; stroke-dasharray: 8 12; }

.vault-ring {
    position: absolute;
    left: 50%;
    top: 50%;
    width: min(70vw, 720px);
    aspect-ratio: 1;
    transform: translate(-50%, -50%) rotate(calc(var(--room-progress, 0) * 80deg));
    border-radius: 50%;
    border: 1px solid rgba(243, 238, 226, 0.12);
    box-shadow: inset 0 0 80px rgba(22, 33, 62, 0.58), 0 0 70px rgba(138, 92, 255, 0.18);
}
.vault-ring span {
    position: absolute;
    left: 50%;
    top: 50%;
    color: var(--telomere-cyan);
    font: 12px var(--mono);
    letter-spacing: 0.12em;
    text-shadow: 0 0 16px currentColor;
    transform: rotate(calc(var(--i) * 45deg)) translateX(min(35vw, 360px)) rotate(calc(var(--i) * -45deg));
}
.vault-ring span:nth-child(1) { --i: 0; color: var(--afterimage-violet); }
.vault-ring span:nth-child(2) { --i: 1; }
.vault-ring span:nth-child(3) { --i: 2; color: var(--corrosion-amber); }
.vault-ring span:nth-child(4) { --i: 3; }
.vault-ring span:nth-child(5) { --i: 4; color: var(--soft-magenta-residue); }
.vault-ring span:nth-child(6) { --i: 5; }
.vault-ring span:nth-child(7) { --i: 6; color: var(--archive-pearl); }
.vault-ring span:nth-child(8) { --i: 7; color: var(--afterimage-violet); }
.domain-under-glass {
    position: absolute;
    left: 50%;
    top: 50%;
    width: min(78vw, 880px);
    padding: clamp(2rem, 5vw, 4rem);
    transform: translate(-50%, -50%);
    text-align: center;
    border: 1px solid rgba(243, 238, 226, 0.15);
    background: linear-gradient(145deg, rgba(243, 238, 226, 0.055), rgba(22, 33, 62, 0.22));
    backdrop-filter: blur(10px);
    box-shadow: inset 0 0 80px rgba(243, 238, 226, 0.035), 0 0 90px rgba(69, 246, 232, 0.12);
}
.domain-under-glass h2 { font-size: clamp(3rem, 10vw, 10rem); text-shadow: 0 0 28px rgba(243, 238, 226, 0.16); }
.domain-under-glass p { margin: 1rem 0 0; font: 300 clamp(1.3rem, 2.5vw, 2.4rem) var(--editorial); color: var(--soft-magenta-residue); }
.last-byte-moths i {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 7px;
    height: 4px;
    border-radius: 50%;
    background: var(--archive-pearl);
    box-shadow: 0 0 14px var(--archive-pearl);
    animation: moth 6s ease-in-out infinite;
}
.last-byte-moths i:nth-child(2) { animation-delay: -1.5s; background: var(--telomere-cyan); }
.last-byte-moths i:nth-child(3) { animation-delay: -3s; background: var(--corrosion-amber); }
.last-byte-moths i:nth-child(4) { animation-delay: -4.5s; background: var(--soft-magenta-residue); }

.comet-cursor {
    position: fixed;
    left: 0;
    top: 0;
    width: 18px;
    height: 18px;
    z-index: 40;
    pointer-events: none;
    border-radius: 50%;
    border: 1px solid var(--telomere-cyan);
    box-shadow: 0 0 18px var(--telomere-cyan), -16px 8px 22px rgba(255, 79, 163, 0.42);
    transform: translate3d(-50px, -50px, 0);
    mix-blend-mode: screen;
}
.residue-dot {
    position: fixed;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    pointer-events: none;
    z-index: 39;
    background: var(--soft-magenta-residue);
    box-shadow: 0 0 18px rgba(255, 79, 163, 0.75);
    animation: residueFade 0.9s ease forwards;
}

@keyframes railDrawX { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes railDrawY { from { transform: scaleY(0); } to { transform: scaleY(1); } }
@keyframes pulseCap { 0%, 100% { transform: scale(1); opacity: 0.7; } 50% { transform: scale(1.5); opacity: 1; } }
@keyframes sealBlink { 50% { opacity: 0.36; } }
@keyframes residueFade { to { opacity: 0; transform: scale(3) translateY(14px); } }
@keyframes moth {
    0%, 100% { transform: rotate(0deg) translate(130px, -90px) rotate(0deg); opacity: 0.25; }
    25% { transform: rotate(90deg) translate(170px, -30px) rotate(-90deg); opacity: 1; }
    50% { transform: rotate(180deg) translate(118px, -110px) rotate(-180deg); opacity: 0.55; }
    75% { transform: rotate(270deg) translate(165px, -55px) rotate(-270deg); opacity: 0.9; }
}

@media (max-width: 760px) {
    .boundary-room { padding: 5rem 3.2rem; }
    .vertical-wordmark { left: 31px; font-size: 1rem; }
    .end-mark-nav { right: 31px; }
    .corner-plaque, .boundary-statement, .vault-caption { max-width: calc(100vw - 7rem); }
    .plaque-top-left, .plaque-top-right { left: 4.2rem; right: auto; top: 6rem; }
    .plaque-bottom-left { left: 4.2rem; bottom: 6rem; }
    .statement-bottom-left { left: 4.2rem; bottom: 16vh; }
    .statement-top-right { right: 4.2rem; top: 20vh; }
    .checksum-orbit { width: 88vw; }
    .link-constellation { inset: 18vh 4.5rem; }
    .ceremony-line { width: 82vw; gap: 10px; }
    .clamp { width: 55px; height: 55px; font-size: 2rem; }
    .comet-cursor { display: none; }
}