/* =================================================
   monopole.wiki — pop-art HUD overlay
   ================================================= */

:root {
    --void: #0A0A0F;
    --pop-pink: #FF2D6B;
    --pop-yellow: #FFE03D;
    --electric-mint: #00FFD1;
    --lavender-white: #E8E4F0;
    --candle-orange: #FF8B2E;
    --deep-indigo: #1A1035;
    --outline-black: #0D0D0D;

    --dot-size: 4px;
    --dot-gap: 12px;
    --hud-opacity: 0.85;
    --zoom-scale-start: 1.06;
    --zoom-scale-end: 1.0;
    --zoom-duration: 0.8s;

    --dot-color: #00FFD1;
    --dot-opacity: 0.15;

    --ease-focus: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
    background: var(--void);
    color: var(--lavender-white);
    font-family: "Commissioner", "Inter", system-ui, sans-serif;
    font-weight: 400;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body {
    min-height: 100vh;
    position: relative;
}

a {
    color: inherit;
    text-decoration: none;
}

/* =================================================
   HUD OVERLAY
   ================================================= */

.hud {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1000;
    border: 2px solid var(--pop-pink);
    opacity: 0;
    transition: opacity 1.2s var(--ease-focus);
}

.hud.is-ready { opacity: 1; }

.hud.is-blueprint { --hud-track-opacity: 0.6; }

/* corner brackets — L-shaped 60px elements */
.hud-corner {
    position: absolute;
    width: 60px;
    height: 60px;
    pointer-events: none;
}

.hud-corner::before,
.hud-corner::after {
    content: "";
    position: absolute;
    background: var(--pop-pink);
    transition: background 0.4s ease;
}

.hud-corner::before { width: 60px; height: 4px; }
.hud-corner::after  { width: 4px; height: 60px; }

.hud-corner--tl { top: -2px; left: -2px; }
.hud-corner--tl::before { top: 0; left: 0; }
.hud-corner--tl::after  { top: 0; left: 0; }

.hud-corner--tr { top: -2px; right: -2px; }
.hud-corner--tr::before { top: 0; right: 0; }
.hud-corner--tr::after  { top: 0; right: 0; }

.hud-corner--bl { bottom: -2px; left: -2px; }
.hud-corner--bl::before { bottom: 0; left: 0; }
.hud-corner--bl::after  { bottom: 0; left: 0; }

.hud-corner--br { bottom: -2px; right: -2px; }
.hud-corner--br::before { bottom: 0; right: 0; }
.hud-corner--br::after  { bottom: 0; right: 0; }

.hud.is-pulse .hud-corner::before,
.hud.is-pulse .hud-corner::after {
    animation: cornerPulse 0.9s ease-out;
}

@keyframes cornerPulse {
    0%   { background: var(--pop-pink); box-shadow: 0 0 0 0 rgba(255, 45, 107, 0); }
    40%  { background: var(--pop-pink); box-shadow: 0 0 24px 8px rgba(255, 45, 107, 0.55); }
    100% { background: var(--pop-pink); box-shadow: 0 0 0 0 rgba(255, 45, 107, 0); }
}

/* edge tracking lines — 1px dashed, mint, 30% opacity */
.hud-track {
    position: absolute;
    background-image: repeating-linear-gradient(
        var(--track-axis, to right),
        var(--electric-mint) 0,
        var(--electric-mint) 6px,
        transparent 6px,
        transparent 12px
    );
    opacity: var(--hud-track-opacity, 0.3);
    transition: opacity 0.6s ease;
}

.hud-track--top    { top: 56px;    left: 80px; right: 80px; height: 1px; }
.hud-track--bottom { bottom: 56px; left: 80px; right: 80px; height: 1px; }
.hud-track--left   { top: 80px;    bottom: 80px; left: 24px; width: 1px; --track-axis: to bottom; }
.hud-track--right  { top: 80px;    bottom: 80px; right: 24px; width: 1px; --track-axis: to bottom; }

/* top bar */
.hud-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 48px;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(255, 45, 107, 0.6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    pointer-events: auto;
}

.hud-wordmark {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: "Commissioner", "Inter", sans-serif;
    font-weight: 300;
    font-size: 11px;
    letter-spacing: 0.16em;
    color: var(--pop-yellow);
    text-transform: uppercase;
}

.hud-wordmark__sigil {
    display: inline-flex;
    align-items: center;
}

.hud-wordmark__text {
    color: var(--lavender-white);
    letter-spacing: 0.22em;
    font-weight: 700;
    font-size: 12px;
}

.hud-wordmark__badge {
    display: inline-block;
    padding: 2px 6px;
    border: 1px solid rgba(255, 224, 61, 0.55);
    color: var(--pop-yellow);
    font-size: 9px;
    letter-spacing: 0.2em;
    margin-left: 6px;
}

.hud-nav {
    display: flex;
    align-items: center;
    gap: 14px;
}

.hud-dot {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    pointer-events: auto;
}

.hud-dot__circle {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--pop-yellow);
    background: transparent;
    transition: background 0.4s var(--ease-focus), transform 0.4s var(--ease-focus);
}

.hud-dot.is-active .hud-dot__circle {
    background: var(--pop-yellow);
    transform: scale(1.15);
    box-shadow: 0 0 10px rgba(255, 224, 61, 0.8);
}

.hud-dot::after {
    content: attr(data-label);
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    font-size: 9px;
    letter-spacing: 0.2em;
    color: var(--pop-yellow);
    opacity: 0;
    text-transform: uppercase;
    pointer-events: none;
    transition: opacity 0.3s ease;
    white-space: nowrap;
}

.hud-dot:hover::after,
.hud-dot.is-active::after { opacity: 0.9; }

/* bottom readout */
.hud-readout {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    background: rgba(10, 10, 15, 0.7);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border-top: 1px solid rgba(255, 45, 107, 0.4);
    font-family: "Commissioner", sans-serif;
    pointer-events: none;
}

.hud-readout__cluster {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 300;
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255, 224, 61, 0.7);
}

.hud-readout__cluster--center { letter-spacing: 0.2em; }

.hud-readout__label::after {
    content: " :";
}

.hud-readout__value {
    color: var(--electric-mint);
    font-weight: 500;
    font-size: 10px;
    letter-spacing: 0.18em;
}

/* return-to-top candle */
.hud-scrolltop {
    position: absolute;
    bottom: 56px;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease, transform 0.5s var(--ease-focus);
}

.hud-scrolltop.is-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.hud-scrolltop__label {
    font-size: 9px;
    letter-spacing: 0.2em;
    color: var(--pop-yellow);
    text-transform: uppercase;
}

/* =================================================
   STAGE / SCENES
   ================================================= */

.stage {
    position: relative;
    z-index: 1;
}

.scene {
    min-height: 100vh;
    width: 100%;
    position: relative;
    overflow: hidden;
    padding: 96px 96px 72px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transform-origin: 50% 50%;
    transform: scale(1.04);
    opacity: 0;
    transition:
        transform 0.8s var(--ease-focus),
        opacity 0.6s ease-out;
}

.scene.is-visible {
    transform: scale(1);
    opacity: 1;
}

/* =================================================
   SCENE 1 — IGNITION
   ================================================= */

.scene--ignition {
    background: var(--void);
    align-items: center;
    text-align: center;
}

.ignition {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    width: 100%;
    max-width: 960px;
}

.ignition__candle {
    width: 220px;
    height: 440px;
    transform: scale(0.1);
    opacity: 0;
}

.ignition__candle.is-lit {
    animation: candleZoomIn 1.2s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes candleZoomIn {
    0%   { transform: scale(0.1); opacity: 0; }
    40%  { opacity: 1; }
    100% { transform: scale(1);   opacity: 1; }
}

.candle-svg {
    width: 100%;
    height: 100%;
    display: block;
    overflow: visible;
}

.flame {
    transform-box: fill-box;
    transform-origin: center bottom;
    animation:
        flameFlicker 2s ease-in-out infinite,
        flameSway    3s ease-in-out infinite;
}

@keyframes flameFlicker {
    0%, 100% { transform: scaleY(1); }
    25% { transform: scaleY(1.05); }
    50% { transform: scaleY(0.95); }
    75% { transform: scaleY(1.03); }
}

@keyframes flameSway {
    0%, 100% { transform: rotate(-3deg) scaleY(1); }
    50%      { transform: rotate(3deg)  scaleY(1); }
}

.flame-halo {
    transform-box: fill-box;
    transform-origin: center;
    animation: flameHalo 4s ease-in-out infinite;
}

@keyframes flameHalo {
    0%, 100% { opacity: 0.8; transform: scale(1); }
    50%      { opacity: 1;   transform: scale(1.08); }
}

.ignition__title {
    font-family: "Commissioner", "Inter", sans-serif;
    font-weight: 900;
    font-size: clamp(48px, 9vw, 96px);
    letter-spacing: 0.04em;
    line-height: 1.0;
    text-transform: uppercase;
    color: transparent;
    -webkit-text-stroke: 2px var(--pop-yellow);
    text-stroke: 2px var(--pop-yellow);
    display: flex;
    gap: 0.04em;
}

.ignition__title .letter {
    display: inline-block;
    opacity: 0;
    transform: translateY(12px) scale(1.06);
    transition:
        opacity 0.5s ease-out,
        transform 0.6s var(--ease-focus);
}

.ignition__title.is-revealed .letter {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.ignition__subtitle {
    font-family: "Commissioner", sans-serif;
    font-weight: 700;
    font-size: clamp(24px, 4vw, 36px);
    letter-spacing: 0.08em;
    color: var(--electric-mint);
    text-transform: lowercase;
    opacity: 0;
    transform: scale(1.06);
    transition:
        opacity 0.6s ease-out,
        transform 0.7s var(--ease-focus);
}

.ignition__subtitle.is-revealed {
    opacity: 1;
    transform: scale(1);
}

.dot-mint {
    color: var(--pop-pink);
    margin-right: 0.05em;
}

.ignition__caption {
    margin-top: 36px;
    display: flex;
    align-items: center;
    gap: 14px;
    color: rgba(255, 224, 61, 0.7);
    font-weight: 300;
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    opacity: 0;
    transition: opacity 0.8s ease-out;
}

.ignition__caption.is-revealed { opacity: 1; }

.ignition__caption-line {
    display: inline-block;
    width: 60px;
    height: 1px;
    background: rgba(0, 255, 209, 0.5);
}

/* =================================================
   SCENE 2 — FIELD
   ================================================= */

.scene--field {
    background: var(--void);
    align-items: center;
    justify-content: center;
}

.dotfield {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, var(--dot-color, var(--electric-mint)) 2px, transparent 2px);
    background-size: var(--dot-gap) var(--dot-gap);
    opacity: 0.18;
    animation: dotPulse 4s ease-in-out infinite;
    z-index: 0;
}

@keyframes dotPulse {
    0%, 100% { opacity: 0.12; }
    50%      { opacity: 0.18; }
}

.field {
    position: relative;
    z-index: 2;
    width: min(70vw, 920px);
    margin: 0 auto;
}

.bubble {
    --bubble-bg: var(--electric-mint);
    --bubble-text: var(--outline-black);
    position: relative;
    background: var(--outline-black);
    padding: 4px;
    transform: scale(0.92);
    opacity: 0;
    transition:
        transform 0.9s var(--ease-focus),
        opacity 0.7s ease-out;
    clip-path: polygon(
        0% 4%, 4% 0%, 96% 0%, 100% 4%,
        100% 86%, 96% 90%,
        22% 90%, 14% 100%, 18% 90%,
        4% 90%, 0% 86%
    );
}

.bubble.is-visible {
    transform: scale(1);
    opacity: 1;
}

.bubble__inner {
    background: var(--bubble-bg);
    color: var(--bubble-text);
    padding: 48px 56px 64px;
    clip-path: polygon(
        0% 4%, 4% 0%, 96% 0%, 100% 4%,
        100% 86%, 96% 90%,
        22% 90%, 14% 100%, 18% 90%,
        4% 90%, 0% 86%
    );
    min-height: 460px;
}

.bubble--mint   { --bubble-bg: var(--electric-mint); }
.bubble--pink   { --bubble-bg: var(--pop-pink); }
.bubble--yellow { --bubble-bg: var(--pop-yellow); }

.bubble__eyebrow {
    display: block;
    font-family: "Commissioner", sans-serif;
    font-weight: 300;
    font-size: 11px;
    letter-spacing: 0.2em;
    color: rgba(13, 13, 13, 0.65);
    text-transform: uppercase;
    margin-bottom: 18px;
}

.bubble__heading {
    font-family: "Commissioner", sans-serif;
    font-weight: 900;
    font-size: clamp(36px, 5.4vw, 64px);
    letter-spacing: 0.04em;
    line-height: 1.02;
    text-transform: uppercase;
    color: var(--outline-black);
    margin-bottom: 24px;
}

.bubble__body {
    font-family: "Commissioner", sans-serif;
    font-weight: 400;
    font-size: 17px;
    line-height: 1.65;
    letter-spacing: 0.01em;
    color: var(--outline-black);
    max-width: 640px;
    margin-bottom: 1.5em;
}

.bubble__list {
    list-style: none;
    padding: 0;
    margin-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.bubble__list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: "Commissioner", sans-serif;
    font-weight: 500;
    font-size: 14px;
    font-style: italic;
    letter-spacing: 0.04em;
    color: var(--outline-black);
}

.micro-candle {
    display: inline-block;
    width: 16px;
    height: 16px;
    background:
        radial-gradient(circle at 50% 25%, var(--pop-yellow) 0 4px, transparent 4px),
        linear-gradient(to bottom, transparent 0 38%, var(--outline-black) 38% 42%, var(--lavender-white) 42% 100%);
    border: 1px solid var(--outline-black);
    border-radius: 2px;
}

.field__candle {
    position: absolute;
    bottom: -120px;
    left: -90px;
    transform: translateY(20px);
    opacity: 0;
    transition: opacity 0.8s 0.3s ease, transform 0.9s 0.3s var(--ease-focus);
}

.is-visible .field__candle {
    transform: translateY(0);
    opacity: 1;
}

/* =================================================
   SCENE 3 — SPECTRUM
   ================================================= */

.scene--spectrum {
    padding: 0;
    background: var(--void);
}

.spectrum {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    width: 100%;
    height: 100vh;
    position: relative;
    padding-top: 48px;
}

.strip {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 18px;
    padding: 96px 36px 220px;
    border-right: 3px solid var(--outline-black);
    transform: scale(1.06);
    opacity: 0;
    transition:
        transform 0.8s var(--stagger, 0s) var(--ease-focus),
        opacity 0.6s var(--stagger, 0s) ease-out;
}

.strip:last-child { border-right: none; }

.scene--spectrum.is-visible .strip {
    transform: scale(1);
    opacity: 1;
}

.strip--pink   { background: var(--pop-pink); }
.strip--yellow { background: var(--pop-yellow); }
.strip--mint   { background: var(--electric-mint); }

.strip__index {
    font-family: "Commissioner", sans-serif;
    font-weight: 900;
    font-size: 14px;
    letter-spacing: 0.2em;
    color: var(--outline-black);
    align-self: flex-start;
    border: 2px solid var(--outline-black);
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.18);
}

.strip__art {
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.keyline-svg {
    width: 100%;
    height: 100%;
    display: block;
}

.strip__caption {
    font-family: "Commissioner", sans-serif;
    font-weight: 700;
    font-size: 28px;
    letter-spacing: 0.08em;
    line-height: 1.05;
    text-transform: uppercase;
    color: var(--outline-black);
    text-align: center;
}

.strip__sub {
    font-family: "Commissioner", sans-serif;
    font-weight: 500;
    font-size: 14px;
    font-style: italic;
    letter-spacing: 0.02em;
    color: var(--outline-black);
    text-align: center;
    max-width: 220px;
}

.spectrum__candle {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4;
    pointer-events: none;
}

/* =================================================
   SCENE 4 — BLUEPRINT
   ================================================= */

.scene--blueprint {
    background: var(--deep-indigo);
    padding: 120px 96px 96px;
}

.blueprint__constellation {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.blueprint {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 36px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.blueprint__header {
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
}

.blueprint__eyebrow {
    font-family: "Commissioner", sans-serif;
    font-weight: 300;
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--electric-mint);
    text-transform: uppercase;
}

.blueprint__heading {
    font-family: "Commissioner", sans-serif;
    font-weight: 900;
    font-size: clamp(44px, 7vw, 88px);
    letter-spacing: 0.04em;
    line-height: 0.96;
    text-transform: uppercase;
    color: transparent;
    -webkit-text-stroke: 2px var(--pop-yellow);
    text-stroke: 2px var(--pop-yellow);
}

.blueprint__rule {
    display: block;
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, var(--pop-pink) 0, var(--pop-pink) 60px, rgba(0, 255, 209, 0.6) 60px);
}

.blueprint__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 36px 56px;
    margin-top: 12px;
}

.blueprint__cell {
    border: 2px solid rgba(0, 255, 209, 0.4);
    padding: 28px 32px;
    background: rgba(13, 13, 13, 0.25);
    position: relative;
}

.blueprint__cell::before {
    content: "";
    position: absolute;
    top: -2px;
    left: 16px;
    width: 36px;
    height: 4px;
    background: var(--deep-indigo);
}

.blueprint__sub {
    font-family: "Commissioner", sans-serif;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.2em;
    color: var(--pop-pink);
    text-transform: uppercase;
    margin-bottom: 10px;
    position: relative;
}

.blueprint__sub::after {
    content: "";
    display: inline-block;
    width: 60px;
    height: 1px;
    background: var(--pop-pink);
    margin-left: 12px;
    vertical-align: middle;
    opacity: 0.6;
}

.blueprint__body {
    font-family: "Commissioner", sans-serif;
    font-weight: 400;
    font-size: 15px;
    line-height: 1.7;
    letter-spacing: 0.01em;
    color: var(--lavender-white);
    max-width: 480px;
}

.bubble--outline {
    background: transparent;
    border: 3px solid var(--electric-mint);
    margin-top: 36px;
    align-self: flex-end;
    max-width: 560px;
    padding: 0;
    clip-path: polygon(
        0% 4%, 4% 0%, 96% 0%, 100% 4%,
        100% 86%, 96% 90%,
        78% 90%, 86% 100%, 82% 90%,
        4% 90%, 0% 86%
    );
}

.bubble--outline .bubble__inner {
    background: transparent;
    padding: 32px 36px 56px;
    min-height: auto;
    clip-path: none;
}

.bubble__body--outline {
    color: var(--electric-mint);
    font-style: italic;
    font-size: 16px;
    margin-bottom: 0;
}

/* =================================================
   SCENE 5 — SIGNAL
   ================================================= */

.scene--signal {
    background: var(--void);
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 96px 32px;
}

.signal {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    width: 100%;
    max-width: 960px;
}

.signal__eyebrow {
    font-family: "Commissioner", sans-serif;
    font-weight: 300;
    font-size: 11px;
    letter-spacing: 0.24em;
    color: var(--pop-yellow);
    text-transform: uppercase;
    opacity: 0.7;
}

.signal__tagline {
    font-family: "Commissioner", sans-serif;
    font-weight: 900;
    font-size: clamp(28px, 4.5vw, 48px);
    letter-spacing: 0.02em;
    line-height: 1.1;
    color: var(--lavender-white);
    text-transform: none;
    max-width: 720px;
    margin-bottom: 24px;
}

.signal__monopole {
    position: relative;
    width: 320px;
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background-image: radial-gradient(circle, var(--pop-pink) 1.5px, transparent 1.5px);
    background-size: 14px 14px;
    background-position: center;
    opacity: 0;
    -webkit-mask-image: radial-gradient(circle, transparent 0%, transparent calc(var(--ring-r, 0px) - 6px), black calc(var(--ring-r, 0px) - 6px), black calc(var(--ring-r, 0px) + 6px), transparent calc(var(--ring-r, 0px) + 6px));
            mask-image: radial-gradient(circle, transparent 0%, transparent calc(var(--ring-r, 0px) - 6px), black calc(var(--ring-r, 0px) - 6px), black calc(var(--ring-r, 0px) + 6px), transparent calc(var(--ring-r, 0px) + 6px));
    animation: ringRadiate 4s linear infinite;
}

.ring--1 { animation-delay: 0s;   }
.ring--2 { animation-delay: 1s;   }
.ring--3 { animation-delay: 2s;   }
.ring--4 { animation-delay: 3s;   }

@keyframes ringRadiate {
    0%   { --ring-r: 30px;  opacity: 0;   }
    20%  { opacity: 0.9; }
    100% { --ring-r: 200px; opacity: 0;   }
}

@property --ring-r {
    syntax: "<length>";
    inherits: false;
    initial-value: 30px;
}

.signal__candle {
    position: relative;
    z-index: 2;
}

.signal__coords {
    margin-top: 32px;
    display: flex;
    align-items: center;
    gap: 14px;
    font-family: "Commissioner", sans-serif;
    font-weight: 300;
    font-size: 11px;
    letter-spacing: 0.24em;
    color: rgba(255, 224, 61, 0.7);
    text-transform: uppercase;
}

.signal__coords-sep {
    width: 30px;
    height: 1px;
    background: rgba(0, 255, 209, 0.5);
}

/* =================================================
   HALFTONE STRIPS (decorative behind content)
   ================================================= */

.halftones {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.halftone {
    display: none; /* purely conceptual decoration; section borders carry the transition */
}

/* =================================================
   RESPONSIVE
   ================================================= */

@media (max-width: 900px) {
    .scene { padding: 96px 32px 72px; }

    .hud-track--top    { left: 40px; right: 40px; }
    .hud-track--bottom { left: 40px; right: 40px; }
    .hud-track--left   { left: 12px; }
    .hud-track--right  { right: 12px; }

    .blueprint__grid { grid-template-columns: 1fr; gap: 24px; }
    .scene--blueprint { padding: 120px 32px 96px; }

    .spectrum { grid-template-columns: 1fr; height: auto; }
    .strip    { padding: 64px 24px 80px; border-right: none; border-bottom: 3px solid var(--outline-black); }
    .strip:last-child { border-bottom: none; }

    .field { width: 92vw; }
    .bubble__inner { padding: 36px 28px 56px; min-height: 520px; }

    .field__candle { left: 0; bottom: -110px; }

    .hud-readout__cluster--center { display: none; }

    .signal__monopole { width: 240px; height: 240px; }
}

@media (max-width: 540px) {
    .ignition__title { font-size: 48px; flex-wrap: wrap; justify-content: center; }
    .signal__tagline { font-size: 26px; }
    .hud-wordmark__badge { display: none; }
}